[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 81770 FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fspm.bin' CBFS: Found @ offset 2efc0 size 59000 FMAP: area RECOVERY_MRC_CACHE found @ 400000 (65536 bytes) Locality already claimed cr50 TPM 2.0 (i2c 2:0x50 id 0x28) src/lib/tpm2_tlcl.c:208 index 0x100b return code 0 MRC: Hash comparison successful. Using data from RECOVERY_MRC_CACHE MRC cache found, size b2c0 bootmode:2 LPDDR4 SKU id = 0x1 LP4DDR speed is 2400MHz LPDDR4 Ch0 density = 2 LPDDR4 Ch1 density = 2 FMAP: area RW_VAR_MRC_CACHE found @ 420000 (4096 bytes) CBMEM: IMD: root @ 7afff000 254 entries. IMD: root @ 7affec00 62 entries. External stage cache: IMD: root @ 7b7ff000 254 entries. IMD: root @ 7b7fec00 62 entries. creating vboot_handoff structure Chrome EC: clear events_b mask to 0x21004000 src/lib/tpm2_tlcl.c:208 index 0x100b return code 0 tlcl_write: response is 0 src/lib/tpm2_tlcl.c:208 index 0x100b return code 0 MRC: TPM MRC hash updated successfully. CPU: frequency set to 2500 MHz 4 DIMMs found MTRR Range: Start=7a000000 End=7b000000 (Size 1000000) MTRR Range: Start=ff000000 End=0 (Size 1000000) MTRR Range: Start=7b000000 End=7b800000 (Size 800000) FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/postcar' CBFS: Found @ offset b3000 size 45b8 Decompressing stage fallback/postcar @ 0x7abc5fc0 (34440 bytes) Loading module at 7abc6000 with entry 7abc6000. filesize: 0x4350 memsize: 0x8648 Processing 131 relocs. Offset value of 0x78bc6000 coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 postcar starting... FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/ramstage' CBFS: Found @ offset 15dc0 size 17c31 Decompressing stage fallback/ramstage @ 0x7ab77fc0 (314352 bytes) Loading module at 7ab78000 with entry 7ab78000. filesize: 0x34618 memsize: 0x4cbb0 Processing 2993 relocs. Offset value of 0x7aa78000 coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 ramstage starting... FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area RO_VPD found @ 200000 (16384 bytes) WARNING: RO_VPD is uninitialized or empty. FMAP: area RW_VPD found @ 428000 (8192 bytes) FMAP: area RW_VPD found @ 428000 (8192 bytes) Normal boot. BS: BS_PRE_DEVICE times (us): entry 2 run 32 exit 0 Board ID: 5 mainboard: EC init Chrome EC: Set WAKE mask to 0x00000000 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fsps.bin' CBFS: Found @ offset 88fc0 size 2a000 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'vbt-babytiger.bin' CBFS: Found @ offset 155800 size 528 Found a VBT of 6656 bytes after decompression ITSS IRQ Polarities Before: IPC0: 0xffffeef8 IPC1: 0xffffffff IPC2: 0xffffffff IPC3: 0x00ffffff ITSS IRQ Polarities After: IPC0: 0xffffeef8 IPC1: 0x4a07ffff IPC2: 0x08000000 IPC3: 0x00a11000 RAPL PL1 12.0W RAPL PL2 15.0W BS: BS_DEV_INIT_CHIPS times (us): entry 0 run 269065 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 4838 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 52608 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 14021 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 9959 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 14025 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 18278 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 18092 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 14022 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 11339 usecs scan_bus: scanning of bus DOMAIN: 0000 took 390843 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 410768 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 2023-01-18 18:02:26 UTC POST: Unexpected post code in previous boot: 0x98 ELOG: Event(A3) added with size 11 at 2023-01-18 18:02:26 UTC ELOG: Event(AA) added with size 11 at 2023-01-18 18:02:26 UTC FMAP: area UNIFIED_MRC_CACHE found @ 400000 (135168 bytes) SPI flash protection: WPSW=0 SRP0=0 MRC: NOT enabling PRR for 'UNIFIED_MRC_CACHE'. BS: BS_DEV_ENUMERATE times (us): entry 0 run 699625 exit 95848 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 * [0x12a00x12afffff] 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 2942999 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 162 run 112151 exit 0 FMAP: area FPF_STATUS found @ 42f000 (4096 bytes) Initializing devices... Root Device init ... Root Device init finished in 2131 usecs CPU_CLUSTER: 0 init ... MTRR: Physical address space: 0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6 0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0 0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6 0x000000007b800000 - 0x00000000b0000000 size 0x34800000 type 0 0x00000000b0000000 - 0x00000000c0000000 size 0x10000000 type 1 0x00000000c0000000 - 0x0000000100000000 size 0x40000000 type 0 0x0000000100000000 - 0x0000000180000000 size 0x80000000 type 6 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 call enable_fixed_mtrr() CPU physical address size: 39 bits MTRR: default type WB/UC MTRR counts: 6/8. MTRR: WB selected as default type. MTRR: 0 base 0x000000007b800000 mask 0x0000007fff800000 type 0 MTRR: 1 base 0x000000007c000000 mask 0x0000007ffc000000 type 0 MTRR: 2 base 0x0000000080000000 mask 0x0000007fe0000000 type 0 MTRR: 3 base 0x00000000a0000000 mask 0x0000007ff0000000 type 0 MTRR: 4 base 0x00000000b0000000 mask 0x0000007ff0000000 type 1 MTRR: 5 base 0x00000000c0000000 mask 0x0000007fc0000000 type 0 MTRR check Fixed MTRRs : Enabled Variable MTRRs: Enabled Detected 4 core, 4 thread CPU. Will perform SMM setup. FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'cpu_microcode_blob.bin' CBFS: Found @ offset 11d40 size 4000 microcode: sig=0x506c9 pf=0x1 revision=0x2c CPU: Intel(R) Pentium(R) CPU N4200 @ 1.10GHz. Loading module at 00030000 with entry 00030000. filesize: 0x130 memsize: 0x130 Processing 16 relocs. Offset value of 0x00030000 Attempting to start 3 APs Waiting for 10ms after sending INIT. Waiting for 1st SIPI to complete...AP: slot 3 apic_id 2. AP: slot 2 apic_id 4. done. AP: slot 1 apic_id 6. Waiting for 2nd SIPI to complete...done. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 12 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab9065d(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010cfc. filesize: 0x3550 memsize: 0x7630 Processing 229 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 12 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd SMM Module: stub loaded at 7b008000. Will call 7b010cfc(00000000) Clearing SMI status registers New SMBASE 0x7afff800 Relocation complete. New SMBASE 0x7afffc00 Relocation complete. New SMBASE 0x7b000000 Relocation complete. New SMBASE 0x7afff400 Relocation complete. Initializing CPU #0 CPU: vendor Intel device 506c9 CPU: family 06, model 5c, stepping 09 CPU #0 initialized Initializing CPU #3 Initializing CPU #2 CPU: vendor Intel device 506c9 CPU: family 06, model 5c, stepping 09 CPU: vendor Intel device 506c9 CPU: family 06, model 5c, stepping 09 CPU #3 initialized CPU #2 initialized Initializing CPU #1 CPU: vendor Intel device 506c9 CPU: family 06, model 5c, stepping 09 CPU #1 initialized Enabling SMIs. MTRR: TEMPORARY Physical address space: 0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6 0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0 0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6 0x000000007b800000 - 0x00000000ff000000 size 0x83800000 type 0 0x00000000ff000000 - 0x0000000100000000 size 0x01000000 type 5 0x0000000100000000 - 0x0000000180000000 size 0x80000000 type 6 MTRR: default type WB/UC MTRR counts: 10/8. MTRR: UC selected as default type. MTRR: 0 base 0x0000000000000000 mask 0x0000007fc0000000 type 6 MTRR: 1 base 0x0000000040000000 mask 0x0000007fe0000000 type 6 MTRR: 2 base 0x0000000060000000 mask 0x0000007ff0000000 type 6 MTRR: 3 base 0x0000000070000000 mask 0x0000007ff8000000 type 6 MTRR: 4 base 0x0000000078000000 mask 0x0000007ffc000000 type 6 MTRR: 5 base 0x000000007b800000 mask 0x0000007fff800000 type 0 MTRR: 6 base 0x00000000ff000000 mask 0x0000007fff000000 type 5 MTRR: 7 base 0x0000000100000000 mask 0x0000007f00000000 type 6 CPU_CLUSTER: 0 init finished in 467084 usecs PCI: 00:00.0 init ... PCI: 00:00.0 init finished in 2229 usecs PCI: 00:00.1 init ... PCI: 00:00.1 init finished in 2228 usecs PCI: 00:00.2 init ... PCI: 00:00.2 init finished in 2225 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2227 usecs PCI: 00:03.0 init ... PCI: 00:03.0 init finished in 2228 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 27284 usecs PCI: 00:0d.2 init ... PCI: 00:0d.2 init finished in 2218 usecs PCI: 00:0f.0 init ... PCI: 00:0f.0 init finished in 2229 usecs PCI: 00:0f.1 init ... PCI: 00:0f.1 init finished in 2229 usecs PCI: 00:0f.2 init ... PCI: 00:0f.2 init finished in 2228 usecs PCI: 00:15.0 init ... PCI: 00:15.0 init finished in 2226 usecs PCI: 00:16.0 init ... LPSS I2C bus 0 at 0xc2b21000 (400 KHz) PCI: 00:16.0 init finished in 6104 usecs PCI: 00:16.1 init ... LPSS I2C bus 1 at 0xc2b23000 (400 KHz) PCI: 00:16.1 init finished in 6100 usecs PCI: 00:16.2 init ... LPSS I2C bus 2 at 0xc2b25000 (400 KHz) PCI: 00:16.2 init finished in 6100 usecs PCI: 00:16.3 init ... LPSS I2C bus 3 at 0xc2b27000 (400 KHz) PCI: 00:16.3 init finished in 6097 usecs PCI: 00:17.0 init ... LPSS I2C bus 4 at 0xc2b29000 (400 KHz) PCI: 00:17.0 init finished in 6097 usecs PCI: 00:17.1 init ... LPSS I2C bus 5 at 0xc2b2b000 (400 KHz) PCI: 00:17.1 init finished in 6095 usecs PCI: 00:19.0 init ... PCI: 00:19.0 init finished in 2224 usecs PCI: 00:1c.0 init ... PCI: 00:1c.0 init finished in 2226 usecs PCI: 00:1f.0 init ... RTC Init PCI: 00:1f.0 init finished in 3556 usecs PCI: 00:1f.1 init ... PCI: 00:1f.1 init finished in 2226 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2328 usecs PNP: 0c09.0 init ... Keyboard init... PS/2 keyboard initialized on primary channel Google Chrome EC: Initializing keyboard. Google Chrome EC: Hello got back 11223344 status (0) Google Chrome EC: version: ro: coral_v1.1.7292-04956f5df rw: coral_v1.1.7292-04956f5df running image: 1 PNP: 0c09.0 init finished in 42067 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 4973 run 879062 exit 888 ELOG: Event(A1) added with size 10 at 2023-01-18 18:02:30 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2023-01-18 18:02:30 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 24785 run 3931 exit 5240 BS: BS_OS_RESUME_CHECK times (us): entry 0 run 60 exit 0 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/dsdt.aml' CBFS: Found @ offset b7600 size 2e40 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/slic' CBFS: 'fallback/slic' not found. ACPI: Writing ACPI tables at 7ab10000. ACPI: * FACS ACPI: * DSDT Ramoops buffer: 0x100000@0x7aa10000. ACPI: * FADT SCI is IRQ9 ACPI: added table 1/32, length now 40 ACPI: * SSDT Found 1 CPU(s) with 4 core(s) each. Turbo is available and visible PSS: 1101MHz power 6000 control 0x1900 status 0x1900 PSS: 1100MHz power 6000 control 0xb00 status 0xb00 PSS: 1000MHz power 5388 control 0xa00 status 0xa00 PSS: 800MHz power 4213 control 0x800 status 0x800 PSS: 1101MHz power 6000 control 0x1900 status 0x1900 PSS: 1100MHz power 6000 control 0xb00 status 0xb00 PSS: 1000MHz power 5388 control 0xa00 status 0xa00 PSS: 800MHz power 4213 control 0x800 status 0x800 PSS: 1101MHz power 6000 control 0x1900 status 0x1900 PSS: 1100MHz power 6000 control 0xb00 status 0xb00 PSS: 1000MHz power 5388 control 0xa00 status 0xa00 PSS: 800MHz power 4213 control 0x800 status 0x800 PSS: 1101MHz power 6000 control 0x1900 status 0x1900 PSS: 1100MHz power 6000 control 0xb00 status 0xb00 PSS: 1000MHz power 5388 control 0xa00 status 0xa00 PSS: 800MHz power 4213 control 0x800 status 0x800 \_SB.PCI0.HDAS.MAXM: Maxim Integrated 98357A Amplifier Error: Could not locate 'wifi_sar' in VPD Error: failed from getting SAR limits! \_SB.PCI0.RP01.WIFI: Intel WiFi PCI: 01:00.0 lpss_i2c: bad counts. hcnt = -8 lcnt = 14 \_SB.PCI0.I2C0.DLG7: Dialog Semiconductor DA7219 Audio Codec address 01ah irq 91 lpss_i2c: bad counts. hcnt = -5 lcnt = 17 \_SB.PCI0.I2C2.TPMI: I2C TPM at I2C: 02:50 lpss_i2c: bad counts. hcnt = -1 lcnt = 77 lpss_i2c: bad counts. hcnt = -23 lcnt = 32 \_SB.PCI0.I2C3.D010: ELAN Touchscreen at I2C: 03:10 \_SB.PCI0.I2C3.D039: Raydium Touchscreen at I2C: 03:39 lpss_i2c: bad counts. hcnt = -1 lcnt = 72 lpss_i2c: bad counts. hcnt = -23 lcnt = 27 \_SB.PCI0.I2C4.D015: ELAN Touchpad at I2C: 04:15 \_SB.PCI0.I2C4.H02C: Synaptics Touchpad at I2C: 04:2c lpss_i2c: bad counts. hcnt = -5 lcnt = 4 \_SB.PCI0.I2C5.H009: WCOM Digitizer at I2C: 05:09 ACPI: added table 2/32, length now 44 ACPI: * MCFG ACPI: added table 3/32, length now 48 ACPI: * TCPA TCPA log created at 7aa00000 ACPI: added table 4/32, length now 52 ACPI: * MADT SCI is IRQ9 ACPI: added table 5/32, length now 56 current = 7ab14920 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'dmic-4ch-48khz-16b.bin' CBFS: Found @ offset 2e1c0 size be8 Added 4CH DMIC array. FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 2ef00 size 64 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 2ef00 size 64 Added Dialog_7219 codec. FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'max98357-render-2ch-48khz-24b.bin' CBFS: Found @ offset 2ee00 size 74 Added Maxim_98357 codec. ACPI: * NHLT ACPI: added table 6/32, length now 60 ACPI: * IGD OpRegion ACPI: * HPET ACPI: added table 7/32, length now 64 ACPI: done. ACPI tables: 30656 bytes. smbios_write_tables: 7a9fd000 Create SMBIOS type 17 Root Device (Google Coral) CPU_CLUSTER: 0 (Intel Apollolake SOC) APIC: 00 (Intel Apollolake SOC) DOMAIN: 0000 (Intel Apollolake SOC) PCI: 00:00.0 (Intel Apollolake SOC) PCI: 00:00.1 (Intel Apollolake SOC) PCI: 00:00.2 (Intel Apollolake SOC) PCI: 00:02.0 (Intel Apollolake SOC) PCI: 00:03.0 (Intel Apollolake SOC) PCI: 00:0d.0 (Intel Apollolake SOC) PCI: 00:0d.1 (Intel Apollolake SOC) PCI: 00:0d.2 (Intel Apollolake SOC) PCI: 00:0d.3 (Intel Apollolake SOC) PCI: 00:0e.0 (Intel Apollolake SOC) GENERIC: 0.0 (Maxim Integrated 98357A Amplifier) PCI: 00:11.0 (Intel Apollolake SOC) PCI: 00:12.0 (Intel Apollolake SOC) PCI: 00:13.0 (Intel Apollolake SOC) PCI: 00:13.1 (Intel Apollolake SOC) PCI: 00:13.2 (Intel Apollolake SOC) PCI: 00:13.3 (Intel Apollolake SOC) PCI: 00:14.0 (Intel Apollolake SOC) PCI: 01:00.0 (Intel WiFi) PCI: 00:14.1 (Intel Apollolake SOC) PCI: 00:15.0 (Intel Apollolake SOC) PCI: 00:15.1 (Intel Apollolake SOC) PCI: 00:16.0 (Intel Apollolake SOC) I2C: 01:1a (Dialog Semiconductor DA7219 Audio Codec) PCI: 00:16.1 (Intel Apollolake SOC) PCI: 00:16.2 (Intel Apollolake SOC) I2C: 02:50 (I2C TPM) PCI: 00:16.3 (Intel Apollolake SOC) I2C: 03:10 (I2C Device) I2C: 03:39 (I2C Device) PCI: 00:17.0 (Intel Apollolake SOC) I2C: 04:15 (I2C Device) I2C: 04:2c (I2C HID Device) PCI: 00:17.1 (Intel Apollolake SOC) I2C: 05:09 (I2C HID Device) PCI: 00:17.2 (Intel Apollolake SOC) PCI: 00:17.3 (Intel Apollolake SOC) PCI: 00:18.0 (Intel Apollolake SOC) PCI: 00:18.1 (Intel Apollolake SOC) PCI: 00:18.2 (Intel Apollolake SOC) PCI: 00:18.3 (Intel Apollolake SOC) PCI: 00:19.0 (Intel Apollolake SOC) PCI: 00:19.1 (Intel Apollolake SOC) PCI: 00:19.2 (Intel Apollolake SOC) PCI: 00:1a.0 (Intel Apollolake SOC) PCI: 00:1b.0 (Intel Apollolake SOC) PCI: 00:1c.0 (Intel Apollolake SOC) PCI: 00:1e.0 (Intel Apollolake SOC) PCI: 00:1f.0 (Intel Apollolake SOC) PNP: 0c09.0 (Google Chrome EC) PCI: 00:1f.1 (Intel Apollolake SOC) PCI: 00:0f.0 (unknown) PCI: 00:0f.1 (unknown) PCI: 00:0f.2 (unknown) APIC: 06 (unknown) APIC: 04 (unknown) APIC: 02 (unknown) SMBIOS tables: 839 bytes. Writing table forward entry at 0x00000500 Wrote coreboot table at: 00000500, 0x10 bytes, checksum 452b Writing coreboot table at 0x7ab34000 0. 0000000000000000-0000000000000fff: CONFIGURATION TABLES 1. 0000000000001000-000000000009ffff: RAM 2. 00000000000a0000-00000000000fffff: RESERVED 3. 0000000000100000-000000000fffffff: RAM 4. 0000000010000000-0000000012150fff: RESERVED 5. 0000000012151000-000000007a9fcfff: RAM 6. 000000007a9fd000-000000007affffff: CONFIGURATION TABLES 7. 000000007b000000-000000007fffffff: RESERVED 8. 00000000d0000000-00000000d0ffffff: RESERVED 9. 00000000e0000000-00000000efffffff: RESERVED 10. 00000000fed10000-00000000fed17fff: RESERVED 11. 0000000100000000-000000017fffffff: RAM Graphics framebuffer located at 0xb0000000 Passing 6 GPIOs to payload: NAME | PORT | POLARITY | VALUE write protect | undefined | high | 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 1f39 coreboot table: 1548 bytes. IMD ROOT 0. 7afff000 00001000 IMD SMALL 1. 7affe000 00001000 FSP MEMORY 2. 7abfe000 00400000 CONSOLE 3. 7abde000 00020000 TIME STAMP 4. 7abdd000 00000400 VBOOT 5. 7abdc000 00000c0c MRC DATA 6. 7abd0000 0000b2d0 ROMSTG STCK 7. 7abcf000 00000400 AFTER CAR 8. 7abc5000 0000a000 RAMSTAGE 9. 7ab77000 0004e000 REFCODE 10. 7ab4d000 0002a000 ACPI GNVS 11. 7ab4c000 00001000 SMM BACKUP 12. 7ab3c000 00010000 COREBOOT 13. 7ab34000 00008000 ACPI 14. 7ab10000 00024000 RAMOOPS 15. 7aa10000 00100000 TCPA LOG 16. 7aa00000 00010000 EXT VBT17. 7a9fe000 0000180a SMBIOS 18. 7a9fd000 00000800 IMD small region: IMD ROOT 0. 7affec00 00000400 FSP RUNTIME 1. 7affebe0 00000004 VBOOT SEL 2. 7affebc0 00000008 EC HOSTEVENT 3. 7affeba0 00000004 POWER STATE 4. 7affeb60 00000040 ROMSTAGE 5. 7affeb40 00000004 VARMRC DATA 6. 7affeb00 00000028 MEM INFO 7. 7affe9a0 00000141 VPD 8. 7affe920 0000006c GNVS PTR 9. 7affe900 00000004 BS: BS_WRITE_TABLES times (us): entry 0 run 813252 exit 0 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/payload' CBFS: Found @ offset f6d00 size 36dd4 Loading segment from ROM address 0xff37cd38 code (compression=0) New segment dstaddr 0x30104040 memsize 0x251570 srcaddr 0xff37cd70 filesize 0x36d9c Loading segment from ROM address 0xff37cd54 Entry Point 0x30104040 Loading Segment: addr: 0x0000000030104040 memsz: 0x0000000000251570 filesz: 0x0000000000036d9c lb: [0x000000007ab78000, 0x000000007abc4bb0) Post relocation: addr: 0x0000000030104040 memsz: 0x0000000000251570 filesz: 0x0000000000036d9c it's not compressed! [ 0x30104040, 3013addc, 0x303555b0) <- ff37cd70 Clearing Segment: addr: 0x000000003013addc memsz: 0x000000000021a7d4 dest 30104040, end 303555b0, bouncebuffer ffffffff Loaded segments CSE FWSTS1: 0x80000245 CSE FWSTS2: 0x3b850000 CSE FWSTS3: 0x00000000 CSE FWSTS4: 0x00080000 CSE FWSTS5: 0x00000000 CSE FWSTS6: 0x40000000 ME: Manufacturing Mode : NO ME: FPF status : fused BS: BS_PAYLOAD_LOAD times (us): entry 171 run 107625 exit 33863 Jumping to boot code at 30104040(7ab34000) CPU0: stack: 7abb4000 - 7abb5000, lowest used address 7abb481c, stack used: 2020 bytes Starting depthcharge on coral... WARNING: can't convert coreboot GPIOs, 'lid' won't be resampled at runtime! WARNING: can't convert coreboot GPIOs, 'power' won't be resampled at runtime! BIOS MMAP details: IFD Base Offset : 0x1000 IFD End Offset : 0xf7f000 MMAP Size : 0xf7e000 MMAP Start : 0xff082000 The GBB signature is at 0x30004040 and is: 24 47 42 42 [firmware-coral-10068.B-rcn] Dec 21 2020 15:04:32 coral: enet dhcp enet dhcp Waiting for link R8152: Initializing Version 9 (ocp_data = 6010) R8152: Done initializing Adding net device done. MAC: 00:e0:4c:68:0a:3b Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.10 The DHCP server ip is 192.168.201.1 coral: tftpboot 192.168.201.1 8777937/tftp-deploy-ftzop7_u/kernel/bzImage 8777937/tftp-deploy-ftzop7_u/kernel/cmdline 8777937/tftp-deploy-ftzop7_u/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 8777937/tftp-deploy-ftzop7_u/kernel/bzImagoy-ftzop7_u/kernel/cmdline 8777937/tftp-deploy-ftzop7_u/ramdisk/ramdisk.cpio.gz Waiting for link done. MAC: 00:e0:4c:68:0a:3b Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.10 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 8777937/tftp-deploy-ftzop7_u/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 ##################### done. The bootfile was 14320576 bytes long. Sending tftp read request... done. Waiting for the transfer... 00000000 ################################################################ 00080000 ################################################################ 00100000 ################################################################ 00180000 ################################################################ 00200000 ################################################################ 00280000 ################################################################ 00300000 ################################################################ 00380000 ################################################################ 00400000 ################################################################ 00480000 ################################################################ 00500000 ################################################################ 00580000 ################################################################ 00600000 ################################################################ 00680000 ################################################################ 00700000 ################################################################ 00780000 ################################################################ 00800000 ############################### done. Sending tftp read request... done. Waiting for the transfer... 00000000 # done. Command line loaded dynamically from TFTP file: 8777937/tftp-deploy-ftzop7_u/kernel/cmdline The command line is: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console=ttyS2,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/8777937/extract-nfsrootfs-ypu6g9hb,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: 19942711 Starting kernel ... [ 0.000000] Linux version 5.10.164-cip24 (KernelCI@build-j874535-x86-64-gcc-10-x86-64-defconfig-x86-chromeboom5lp2) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Wed Jan 18 14:52:48 UTC 2023 [ 0.000000] Command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console=ttyS2,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/8777937/extract-nfsrootfs-ypu6g9hb,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.000000] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x008: 'MPX bounds registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x010: 'MPX CSR' [ 0.000000] x86/fpu: xstate_offset[3]: 576, xstate_sizes[3]: 64 [ 0.000000] x86/fpu: xstate_offset[4]: 640, xstate_sizes[4]: 64 [ 0.000000] x86/fpu: Enabled xstate features 0x1b, context size is 704 bytes, using 'compacted' format. [ 0.000000] BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x0000000000000fff] type 16 [ 0.000000] BIOS-e820: [mem 0x0000000000001000-0x000000000009ffff] usable [ 0.000000] BIOS-e820: [mem 0x00000000000a0000-0x00000000000fffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000000fffffff] usable [ 0.000000] BIOS-e820: [mem 0x0000000010000000-0x0000000012150fff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000012151000-0x000000007a9fcfff] usable [ 0.000000] BIOS-e820: [mem 0x000000007a9fd000-0x000000007affffff] type 16 [ 0.000000] BIOS-e820: [mem 0x000000007b000000-0x000000007fffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000d0000000-0x00000000d0ffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000e0000000-0x00000000efffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fed10000-0x00000000fed17fff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000017fffffff] usable [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] SMBIOS 2.7 present. [ 0.000000] DMI: Google Coral/Coral, BIOS 09/29/2020 [ 0.000000] tsc: Detected 1094.400 MHz processor [ 0.000056] last_pfn = 0x180000 max_arch_pfn = 0x400000000 [ 0.000306] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.001174] last_pfn = 0x7a9fd max_arch_pfn = 0x400000000 [ 0.005263] check: Scanning 1 areas for low memory corruption [ 0.005276] Using GB pages for direct mapping [ 0.006036] RAMDISK: [mem 0x377c2000-0x37ffffff] [ 0.006044] ACPI: Early table checksum verification disabled [ 0.006052] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) [ 0.006063] ACPI: XSDT 0x000000007AB100E0 00005C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.006077] ACPI: FACP 0x000000007AB13130 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.006091] ACPI: DSDT 0x000000007AB10280 002EA8 (v05 COREv4 COREBOOT 20110725 INTL 20150717) [ 0.006102] ACPI: FACS 0x000000007AB10240 000040 [ 0.006111] ACPI: FACS 0x000000007AB10240 000040 [ 0.006120] ACPI: SSDT 0x000000007AB13230 0015FA (v02 CORE COREBOOT 0000002A CORE 0000002A) [ 0.006130] ACPI: MCFG 0x000000007AB14830 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.006140] ACPI: TCPA 0x000000007AB14870 000032 (v02 CORE COREBOOT 00000000 CORE 00000000) [ 0.006150] ACPI: APIC 0x000000007AB148B0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.006159] ACPI: NHLT 0x000000007AB14920 000E60 (v05 coral coral 00000021 CORE 00000000) [ 0.006170] ACPI: HPET 0x000000007AB17780 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.006179] ACPI: Reserving FACP table memory at [mem 0x7ab13130-0x7ab13223] [ 0.006184] ACPI: Reserving DSDT table memory at [mem 0x7ab10280-0x7ab13127] [ 0.006188] ACPI: Reserving FACS table memory at [mem 0x7ab10240-0x7ab1027f] [ 0.006192] ACPI: Reserving FACS table memory at [mem 0x7ab10240-0x7ab1027f] [ 0.006196] ACPI: Reserving SSDT table memory at [mem 0x7ab13230-0x7ab14829] [ 0.006200] ACPI: Reserving MCFG table memory at [mem 0x7ab14830-0x7ab1486b] [ 0.006204] ACPI: Reserving TCPA table memory at [mem 0x7ab14870-0x7ab148a1] [ 0.006208] ACPI: Reserving APIC table memory at [mem 0x7ab148b0-0x7ab1491b] [ 0.006212] ACPI: Reserving NHLT table memory at [mem 0x7ab14920-0x7ab1577f] [ 0.006216] ACPI: Reserving HPET table memory at [mem 0x7ab17780-0x7ab177b7] [ 0.006346] No NUMA configuration found [ 0.006351] Faking a node at [mem 0x0000000000000000-0x000000017fffffff] [ 0.006359] NODE_DATA(0) allocated [mem 0x17fffc000-0x17fffffff] [ 0.006405] Zone ranges: [ 0.006410] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.006417] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.006423] Normal [mem 0x0000000100000000-0x000000017fffffff] [ 0.006429] Movable zone start for each node [ 0.006433] Early memory node ranges [ 0.006437] node 0: [mem 0x0000000000001000-0x000000000009ffff] [ 0.006441] node 0: [mem 0x0000000000100000-0x000000000fffffff] [ 0.006445] node 0: [mem 0x0000000012151000-0x000000007a9fcfff] [ 0.006450] node 0: [mem 0x0000000100000000-0x000000017fffffff] [ 0.006455] Initmem setup node 0 [mem 0x0000000000001000-0x000000017fffffff] [ 0.006487] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.006539] On node 0, zone DMA: 96 pages in unavailable ranges [ 0.013222] On node 0, zone DMA32: 8529 pages in unavailable ranges [ 0.020675] On node 0, zone Normal: 22019 pages in unavailable ranges [ 0.020707] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] [ 0.021004] ACPI: PM-Timer IO Port: 0x408 [ 0.021077] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 [ 0.021093] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.021099] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 low level) [ 0.021112] Using ACPI (MADT) for SMP configuration information [ 0.021117] ACPI: HPET id: 0x8086a701 base: 0xfed00000 [ 0.021128] TSC deadline timer available [ 0.021134] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.021166] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.021172] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] [ 0.021177] PM: hibernation: Registered nosave memory: [mem 0x10000000-0x12150fff] [ 0.021182] PM: hibernation: Registered nosave memory: [mem 0x7a9fd000-0x7affffff] [ 0.021186] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] [ 0.021190] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xcfffffff] [ 0.021194] PM: hibernation: Registered nosave memory: [mem 0xd0000000-0xd0ffffff] [ 0.021197] PM: hibernation: Registered nosave memory: [mem 0xd1000000-0xdfffffff] [ 0.021201] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xefffffff] [ 0.021205] PM: hibernation: Registered nosave memory: [mem 0xf0000000-0xfed0ffff] [ 0.021209] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed17fff] [ 0.021213] PM: hibernation: Registered nosave memory: [mem 0xfed18000-0xffffffff] [ 0.021220] [mem 0x80000000-0xcfffffff] available for PCI devices [ 0.021229] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.029656] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 [ 0.030283] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 [ 0.030390] Built 1 zonelists, mobility grouping on. Total pages: 1002002 [ 0.030398] Policy zone: Normal [ 0.030416] Kernel command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console=ttyS2,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/8777937/extract-nfsrootfs-ypu6g9hb,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.031374] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.031816] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.031884] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.065206] Memory: 3871024K/4071724K available (18450K kernel code, 3460K rwdata, 7992K rodata, 2012K init, 13316K bss, 200440K reserved, 0K cma-reserved) [ 0.065365] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.065425] Kernel/User page tables isolation: enabled [ 0.065498] ftrace: allocating 52803 entries in 207 pages [ 0.095688] ftrace: allocated 207 pages with 6 groups [ 0.096041] Running RCU self tests [ 0.096061] rcu: Hierarchical RCU implementation. [ 0.096065] rcu: RCU event tracing is enabled. [ 0.096069] rcu: RCU lockdep checking is enabled. [ 0.096073] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. [ 0.096077] Rude variant of Tasks RCU enabled. [ 0.096081] Tracing variant of Tasks RCU enabled. [ 0.096086] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.096090] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.104558] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 [ 0.104995] random: crng init done [ 0.105113] Console: colour dummy device 80x25 [ 0.173854] printk: console [ttyS2] enabled [ 0.174209] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.174855] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.175211] ... MAX_LOCK_DEPTH: 48 [ 0.175570] ... MAX_LOCKDEP_KEYS: 8192 [ 0.175937] ... CLASSHASH_SIZE: 4096 [ 0.176312] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.176686] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.177067] ... CHAINHASH_SIZE: 32768 [ 0.177443] memory used by lock dependency info: 6365 kB [ 0.177901] memory used for stack traces: 4224 kB [ 0.178310] per task-struct memory footprint: 1920 bytes [ 0.178839] ACPI: Core revision 20200925 [ 0.179471] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 99544814920 ns [ 0.180319] APIC: Switch to symmetric I/O mode setup [ 0.185275] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 0.190309] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0xfc66f4fc7c, max_idle_ns: 440795224246 ns [ 0.191194] Calibrating delay loop (skipped), value calculated using timer frequency.. 2188.80 BogoMIPS (lpj=1094400) [ 0.192180] pid_max: default: 32768 minimum: 301 [ 0.193259] LSM: Security Framework initializing [ 0.193686] SELinux: Initializing. [ 0.194228] LSM support for eBPF active [ 0.194605] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.195194] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.197227] mce: CPU0: Thermal monitoring enabled (TM1) [ 0.197770] Last level iTLB entries: 4KB 48, 2MB 0, 4MB 0 [ 0.198179] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 [ 0.198684] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.199181] Spectre V2 : Mitigation: Retpolines [ 0.199564] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.200180] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT [ 0.200748] Speculative Store Bypass: Vulnerable [ 0.218580] ------------[ cut here ]------------ [ 0.218998] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 [ 0.219010] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:712 apply_returns+0x1f5/0x220 [ 0.220180] Modules linked in: [ 0.220450] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.164-cip24 #1 [ 0.221180] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 0.221687] RIP: 0010:apply_returns+0x1f5/0x220 [ 0.222181] Code: e4 01 00 0f 85 e1 fe ff ff 49 89 e8 b9 05 00 00 00 4c 89 f2 48 89 ee 48 c7 c7 28 17 7f a1 c6 05 7c 4c e4 01 01 e8 92 f5 e5 00 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc [ 0.223179] RSP: 0000:ffffffffa1a03de0 EFLAGS: 00010282 [ 0.224179] RAX: 0000000000000000 RBX: ffffffffa24d1330 RCX: 0000000000000000 [ 0.224780] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff9ff7aad1 [ 0.225179] RBP: ffffffffa14d1440 R08: 0000000000000001 R09: 0000000000000001 [ 0.225781] R10: ffffffffa1a8fd20 R11: 3fffffffffffffff R12: ffffffffa24e8520 [ 0.226179] R13: cccccccccccccccc R14: ffffffffa14d1445 R15: 0000000000000004 [ 0.227181] FS: 0000000000000000(0000) GS:ffff8b04bbc00000(0000) knlGS:0000000000000000 [ 0.227855] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.228179] CR2: ffff8b046b601000 CR3: 0000000129e26000 CR4: 00000000003506f0 [ 0.228778] Call Trace: [ 0.229205] alternative_instructions+0x7d/0x143 [ 0.229608] check_bugs+0xece/0xf2a [ 0.229914] start_kernel+0x517/0x54d [ 0.230187] secondary_startup_64_no_verify+0xc2/0xcb [ 0.230626] irq event stamp: 89449 [ 0.230929] hardirqs last enabled at (89457): [] console_unlock+0x4d1/0x5f0 [ 0.231180] hardirqs last disabled at (89468): [] console_unlock+0x444/0x5f0 [ 0.232182] softirqs last enabled at (89478): [] irq_enter_rcu+0x71/0x80 [ 0.233182] softirqs last disabled at (89489): [] irq_enter_rcu+0x56/0x80 [ 0.233886] ---[ end trace f681458b8048e8f7 ]--- [ 0.242970] Freeing SMP alternatives memory: 44K [ 0.245210] smpboot: CPU0: Intel(R) Pentium(R) CPU N4200 @ 1.10GHz (family: 0x6, model: 0x5c, stepping: 0x9) [ 0.246935] Performance Events: PEBS fmt3+, Goldmont events, 32-deep LBR, full-width counters, Intel PMU driver. [ 0.247191] ... version: 4 [ 0.247540] ... bit width: 48 [ 0.247888] ... generic registers: 4 [ 0.248182] ... value mask: 0000ffffffffffff [ 0.248630] ... max period: 00007fffffffffff [ 0.249075] ... fixed-purpose events: 3 [ 0.249182] ... event mask: 000000070000000f [ 0.250131] rcu: Hierarchical SRCU implementation. [ 0.251996] smp: Bringing up secondary CPUs ... [ 0.253021] x86: Booting SMP configuration: [ 0.253197] .... node #0, CPUs: #1 #2 #3 [ 0.256323] smp: Brought up 1 node, 4 CPUs [ 0.257186] smpboot: Max logical packages: 1 [ 0.257551] smpboot: Total of 4 processors activated (8755.20 BogoMIPS) [ 0.259554] devtmpfs: initialized [ 0.259852] x86/mm: Memory block size: 128MB [ 0.265287] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.266125] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) [ 0.266681] pinctrl core: initialized pinctrl subsystem [ 0.267527] PM: RTC time: 18:02:44, date: 2023-01-18 [ 0.268506] NET: Registered protocol family 16 [ 0.269646] audit: initializing netlink subsys (disabled) [ 0.270271] audit: type=2000 audit(1674064964.084:1): state=initialized audit_enabled=0 res=1 [ 0.270964] thermal_sys: Registered thermal governor 'step_wise' [ 0.270983] thermal_sys: Registered thermal governor 'user_space' [ 0.271272] cpuidle: using governor menu [ 0.273416] ACPI: bus type PCI registered [ 0.273416] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0xe0000000-0xefffffff] (base 0xe0000000) [ 0.274058] PCI: MMCONFIG at [mem 0xe0000000-0xefffffff] reserved in E820 [ 0.275234] PCI: Using configuration type 1 for base access [ 0.299313] Kprobes globally optimized [ 0.300330] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.301188] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.301928] cryptomgr_test (38) used greatest stack depth: 14880 bytes left [ 0.305554] ACPI: Added _OSI(Module Device) [ 0.306185] ACPI: Added _OSI(Processor Device) [ 0.306575] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.306974] ACPI: Added _OSI(Processor Aggregator Device) [ 0.307248] ACPI: Added _OSI(Linux-Dell-Video) [ 0.307637] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.308092] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 0.317074] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 0.323666] ACPI: EC: EC started [ 0.323965] ACPI: EC: interrupt blocked [ 0.324841] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.325188] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions [ 0.325812] ACPI: Interpreter enabled [ 0.326196] ACPI: (supports S0 S3 S5) [ 0.326516] ACPI: Using IOAPIC for interrupt routing [ 0.327001] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 0.328044] ACPI: Enabled 1 GPEs in block 00 to 7F [ 0.332240] ACPI: Power Resource [PXP] (on) [ 0.355175] ACPI: Power Resource [PRIC] (on) [ 0.380700] ACPI: Power Resource [PRIC] (on) [ 0.451593] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.452134] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 0.452473] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] [ 0.453850] PCI host bridge to bus 0000:00 [ 0.454186] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.454761] pci_bus 0000:00: root bus resource [io 0x1000-0xffff window] [ 0.455183] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.455817] pci_bus 0000:00: root bus resource [mem 0x7b800000-0x7fffffff window] [ 0.456183] pci_bus 0000:00: root bus resource [mem 0x80000000-0xe0000000 window] [ 0.456820] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.457266] pci 0000:00:00.0: [8086:5af0] type 00 class 0x060000 [ 0.458705] pci 0000:00:00.1: [8086:5a8c] type 00 class 0x118000 [ 0.459220] pci 0000:00:00.1: reg 0x10: [mem 0xc2b10000-0xc2b17fff 64bit] [ 0.460493] pci 0000:00:00.2: [8086:5a8e] type 00 class 0x130000 [ 0.461029] pci 0000:00:00.2: reg 0x10: [mem 0xc2800000-0xc28fffff 64bit] [ 0.461198] pci 0000:00:00.2: reg 0x18: [mem 0xc2000000-0xc27fffff 64bit] [ 0.461790] pci 0000:00:00.2: reg 0x20: [mem 0xc2b38000-0xc2b381ff 64bit] [ 0.462669] pci 0000:00:02.0: [8086:5a84] type 00 class 0x030000 [ 0.463203] pci 0000:00:02.0: reg 0x10: [mem 0xc0000000-0xc0ffffff 64bit] [ 0.463794] pci 0000:00:02.0: reg 0x18: [mem 0xb0000000-0xbfffffff 64bit pref] [ 0.464191] pci 0000:00:02.0: reg 0x20: [io 0x1000-0x103f] [ 0.465175] pci 0000:00:03.0: [8086:5a88] type 00 class 0x048000 [ 0.465201] pci 0000:00:03.0: reg 0x10: [mem 0xc1000000-0xc1ffffff 64bit] [ 0.466358] pci 0000:00:0e.0: [8086:5a98] type 00 class 0x040100 [ 0.466906] pci 0000:00:0e.0: reg 0x10: [mem 0xc2b18000-0xc2b1bfff 64bit] [ 0.467235] pci 0000:00:0e.0: reg 0x20: [mem 0xc2900000-0xc29fffff 64bit] [ 0.467934] pci 0000:00:0e.0: PME# supported from D0 D3hot D3cold [ 0.468907] pci 0000:00:0f.0: [8086:5a9a] type 00 class 0x078000 [ 0.469232] pci 0000:00:0f.0: reg 0x10: [mem 0xc2b1e000-0xc2b1efff 64bit] [ 0.469974] pci 0000:00:0f.0: PME# supported from D3hot [ 0.470707] pci 0000:00:14.0: [8086:5ad6] type 01 class 0x060400 [ 0.471385] pci 0000:00:14.0: PME# supported from D0 D3hot D3cold [ 0.472584] pci 0000:00:15.0: [8086:5aa8] type 00 class 0x0c0330 [ 0.473133] pci 0000:00:15.0: reg 0x10: [mem 0xc2b00000-0xc2b0ffff 64bit] [ 0.473337] pci 0000:00:15.0: PME# supported from D3hot D3cold [ 0.474492] pci 0000:00:16.0: [8086:5aac] type 00 class 0x118000 [ 0.475044] pci 0000:00:16.0: reg 0x10: [mem 0xc2b21000-0xc2b21fff 64bit] [ 0.475207] pci 0000:00:16.0: reg 0x18: [mem 0xc2b22000-0xc2b22fff 64bit] [ 0.476459] pci 0000:00:16.1: [8086:5aae] type 00 class 0x118000 [ 0.477012] pci 0000:00:16.1: reg 0x10: [mem 0xc2b23000-0xc2b23fff 64bit] [ 0.477207] pci 0000:00:16.1: reg 0x18: [mem 0xc2b24000-0xc2b24fff 64bit] [ 0.478451] pci 0000:00:16.2: [8086:5ab0] type 00 class 0x118000 [ 0.479001] pci 0000:00:16.2: reg 0x10: [mem 0xc2b25000-0xc2b25fff 64bit] [ 0.479215] pci 0000:00:16.2: reg 0x18: [mem 0xc2b26000-0xc2b26fff 64bit] [ 0.480447] pci 0000:00:16.3: [8086:5ab2] type 00 class 0x118000 [ 0.480996] pci 0000:00:16.3: reg 0x10: [mem 0xc2b27000-0xc2b27fff 64bit] [ 0.481207] pci 0000:00:16.3: reg 0x18: [mem 0xc2b28000-0xc2b28fff 64bit] [ 0.482471] pci 0000:00:17.0: [8086:5ab4] type 00 class 0x118000 [ 0.483018] pci 0000:00:17.0: reg 0x10: [mem 0xc2b29000-0xc2b29fff 64bit] [ 0.483207] pci 0000:00:17.0: reg 0x18: [mem 0xc2b2a000-0xc2b2afff 64bit] [ 0.484452] pci 0000:00:17.1: [8086:5ab6] type 00 class 0x118000 [ 0.485001] pci 0000:00:17.1: reg 0x10: [mem 0xc2b2b000-0xc2b2bfff 64bit] [ 0.485207] pci 0000:00:17.1: reg 0x18: [mem 0xc2b2c000-0xc2b2cfff 64bit] [ 0.486470] pci 0000:00:18.0: [8086:5abc] type 00 class 0x118000 [ 0.487020] pci 0000:00:18.0: reg 0x10: [mem 0xc2b2d000-0xc2b2dfff 64bit] [ 0.487207] pci 0000:00:18.0: reg 0x18: [mem 0xc2b2e000-0xc2b2efff 64bit] [ 0.488455] pci 0000:00:18.1: [8086:5abe] type 00 class 0x118000 [ 0.488996] pci 0000:00:18.1: reg 0x10: [mem 0xc2b2f000-0xc2b2ffff 64bit] [ 0.489207] pci 0000:00:18.1: reg 0x18: [mem 0xc2b30000-0xc2b30fff 64bit] [ 0.490464] pci 0000:00:18.2: [8086:5ac0] type 00 class 0x118000 [ 0.491015] pci 0000:00:18.2: reg 0x10: [mem 0xde000000-0xde000fff 64bit] [ 0.491207] pci 0000:00:18.2: reg 0x18: [mem 0xc2b31000-0xc2b31fff 64bit] [ 0.492488] pci 0000:00:19.0: [8086:5ac2] type 00 class 0x118000 [ 0.493039] pci 0000:00:19.0: reg 0x10: [mem 0xc2b32000-0xc2b32fff 64bit] [ 0.493207] pci 0000:00:19.0: reg 0x18: [mem 0xc2b33000-0xc2b33fff 64bit] [ 0.494487] pci 0000:00:1b.0: [8086:5aca] type 00 class 0x080501 [ 0.495032] pci 0000:00:1b.0: reg 0x10: [mem 0xc2b34000-0xc2b34fff 64bit] [ 0.495203] pci 0000:00:1b.0: reg 0x18: [mem 0xc2b35000-0xc2b35fff 64bit] [ 0.496429] pci 0000:00:1c.0: [8086:5acc] type 00 class 0x080501 [ 0.496975] pci 0000:00:1c.0: reg 0x10: [mem 0xc2b36000-0xc2b36fff 64bit] [ 0.497208] pci 0000:00:1c.0: reg 0x18: [mem 0xc2b37000-0xc2b37fff 64bit] [ 0.498584] pci 0000:00:1f.0: [8086:5ae8] type 00 class 0x060100 [ 0.499973] pci 0000:00:1f.1: [8086:5ad4] type 00 class 0x0c0500 [ 0.500253] pci 0000:00:1f.1: reg 0x10: [mem 0xc2b39000-0xc2b390ff 64bit] [ 0.500916] pci 0000:00:1f.1: reg 0x20: [io 0x1040-0x105f] [ 0.502145] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 [ 0.502374] pci 0000:01:00.0: reg 0x10: [mem 0xc2a00000-0xc2a01fff 64bit] [ 0.503500] pci 0000:01:00.0: Upstream bridge's Max Payload Size set to 128 (was 256, max 256) [ 0.504330] pci 0000:01:00.0: Max Payload Size set to 128 (was 128, max 128) [ 0.505805] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold [ 0.507862] pci 0000:00:14.0: PCI bridge to [bus 01] [ 0.508196] pci 0000:00:14.0: bridge window [mem 0xc2a00000-0xc2afffff] [ 0.516175] ACPI: EC: interrupt unblocked [ 0.516183] ACPI: EC: event unblocked [ 0.516534] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.516977] ACPI: EC: GPE=0x2b [ 0.517186] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete [ 0.517785] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events [ 0.518704] iommu: Default domain type: Translated [ 0.519388] pci 0000:00:02.0: vgaarb: setting as boot VGA device [ 0.519792] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.520211] pci 0000:00:02.0: vgaarb: bridge control possible [ 0.520705] vgaarb: loaded [ 0.521500] SCSI subsystem initialized [ 0.522262] ACPI: bus type USB registered [ 0.522737] usbcore: registered new interface driver usbfs [ 0.523238] usbcore: registered new interface driver hub [ 0.523733] usbcore: registered new device driver usb [ 0.524310] pps_core: LinuxPPS API ver. 1 registered [ 0.524735] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.525194] PTP clock support registered [ 0.526210] Advanced Linux Sound Architecture Driver Initialized. [ 0.527699] NetLabel: Initializing [ 0.527995] NetLabel: domain hash size = 128 [ 0.528183] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.528737] NetLabel: unlabeled traffic allowed by default [ 0.529298] PCI: Using ACPI for IRQ routing [ 0.560428] Expanded resource Reserved due to conflict with PCI Bus 0000:00 [ 0.561127] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0, 0, 0, 0, 0, 0 [ 0.561183] hpet0: 8 comparators, 64-bit 19.200000 MHz counter [ 0.563298] clocksource: Switched to clocksource tsc-early [ 0.987295] VFS: Disk quotas dquot_6.6.0 [ 0.987687] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 0.988679] pnp: PnP ACPI init [ 0.989772] system 00:00: [io 0x0900-0x09fe] has been reserved [ 0.990584] system 00:01: [io 0x0200] has been reserved [ 0.991035] system 00:01: [io 0x0204] has been reserved [ 0.991510] system 00:01: [io 0x0800-0x087f] has been reserved [ 0.992015] system 00:01: [io 0x0880-0x08ff] has been reserved [ 0.994766] pnp: PnP ACPI: found 3 devices [ 1.009921] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 1.010803] NET: Registered protocol family 2 [ 1.011386] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 1.013500] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) [ 1.014499] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) [ 1.015440] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) [ 1.018018] TCP: Hash tables configured (established 32768 bind 32768) [ 1.019116] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) [ 1.020091] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.020964] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.022048] NET: Registered protocol family 1 [ 1.023342] RPC: Registered named UNIX socket transport module. [ 1.023868] RPC: Registered udp transport module. [ 1.024285] RPC: Registered tcp transport module. [ 1.024695] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 1.025807] NET: Registered protocol family 44 [ 1.026236] pci 0000:00:14.0: PCI bridge to [bus 01] [ 1.026674] pci 0000:00:14.0: bridge window [mem 0xc2a00000-0xc2afffff] [ 1.027279] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 1.027795] pci_bus 0000:00: resource 5 [io 0x1000-0xffff window] [ 1.028334] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 1.028915] pci_bus 0000:00: resource 7 [mem 0x7b800000-0x7fffffff window] [ 1.029498] pci_bus 0000:00: resource 8 [mem 0x80000000-0xe0000000 window] [ 1.030078] pci_bus 0000:01: resource 1 [mem 0xc2a00000-0xc2afffff] [ 1.030854] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 1.034238] PCI: CLS 64 bytes, default 64 [ 1.034969] Unpacking initramfs... [ 1.256713] Freeing initrd memory: 8440K [ 1.257149] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.257727] software IO TLB: mapped [mem 0x00000000769fd000-0x000000007a9fd000] (64MB) [ 1.258809] RAPL PMU: API unit is 2^-32 Joules, 4 fixed counters, 655360 ms ovfl timer [ 1.259505] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules [ 1.259993] RAPL PMU: hw unit of domain package 2^-14 Joules [ 1.260490] RAPL PMU: hw unit of domain dram 2^-14 Joules [ 1.260942] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules [ 1.262666] kvm: already loaded the other module [ 1.263077] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0xfc66f4fc7c, max_idle_ns: 440795224246 ns [ 1.263997] clocksource: Switched to clocksource tsc [ 1.264532] platform rtc_cmos: registered platform RTC device (no PNP device found) [ 1.267386] check: Scanning for low memory corruption every 60 seconds [ 1.270550] Initialise system trusted keyrings [ 1.271235] workingset: timestamp_bits=56 max_order=20 bucket_order=0 [ 1.290041] NFS: Registering the id_resolver key type [ 1.290546] Key type id_resolver registered [ 1.290930] Key type id_legacy registered [ 1.302872] Key type asymmetric registered [ 1.303287] Asymmetric key parser 'x509' registered [ 1.303766] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 1.304423] io scheduler mq-deadline registered [ 1.304815] io scheduler kyber registered [ 1.305454] test_firmware: interface ready [ 1.306679] pcieport 0000:00:14.0: PME: Signaling with IRQ 120 [ 1.308461] ACPI: AC Adapter [AC] (on-line) [ 1.309143] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:14/PNP0C09:00/PNP0C0D:00/input/input0 [ 1.310701] ACPI: Lid Switch [LID0] [ 1.311225] input: Power Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input1 [ 1.312088] ACPI: Power Button [PWRB] [ 1.312626] input: Sleep Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0E:00/input/input2 [ 1.313534] ACPI: Sleep Button [SLP] [ 1.314040] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input3 [ 1.314860] ACPI: Power Button [PWRF] [ 1.315440] ACPI: \_PR_.CP00: Found 3 idle states [ 1.316589] ACPI: \_PR_.CP01: Found 3 idle states [ 1.317485] ACPI: \_PR_.CP02: Found 3 idle states [ 1.318358] ACPI: \_PR_.CP03: Found 3 idle states [ 1.320311] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.323449] Non-volatile memory driver v1.3 [ 1.323553] battery: ACPI: Battery Slot [BAT0] (battery present) [ 1.323992] Linux agpgart interface v0.103 [ 1.327946] i915 0000:00:02.0: vgaarb: deactivate vga console [ 1.381842] i915 0000:00:02.0: Invalid PCI ROM header signature: expecting 0xaa55, got 0x2a70 [ 1.382632] i915 0000:00:02.0: [drm] Failed to find VBIOS tables (VBT) [ 1.383364] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 1.384659] i915 0000:00:02.0: Direct firmware load for i915/bxt_dmc_ver1_07.bin failed with error -2 [ 1.385534] i915 0000:00:02.0: [drm] Failed to load DMC firmware i915/bxt_dmc_ver1_07.bin. Disabling runtime power management. [ 1.386510] i915 0000:00:02.0: [drm] DMC firmware homepage: https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915 [ 1.431955] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 [ 1.435617] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 [ 1.451739] loop: module loaded [ 1.452731] lkdtm: No crash points registered, enable through debugfs [ 1.504714] dw-apb-uart.6: ttyS0 at MMIO 0xc2b2d000 (irq = 4, base_baud = 115200) is a 16550A [ 1.508345] dw-apb-uart.7: ttyS1 at MMIO 0xc2b2f000 (irq = 5, base_baud = 115200) is a 16550A [ 1.511482] printk: console [ttyS2] disabled [ 1.512215] dw-apb-uart.8: ttyS2 at MMIO 0xde000000 (irq = 6, base_baud = 114825) is a 16550A [ 4.580688] printk: console [ttyS2] enabled [ 4.580716] fbcon: i915drmfb (fb0) is primary device [ 4.583171] pxa2xx-spi pxa2xx-spi.9: no DMA channels available, using PIO [ 4.591443] e100: Intel(R) PRO/100 Network Driver [ 4.591446] e100: Copyright(c) 1999-2006 Intel Corporation [ 4.591505] e1000: Intel(R) PRO/1000 Network Driver [ 4.591507] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 4.591579] e1000e: Intel(R) PRO/1000 Network Driver [ 4.591580] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 4.591656] sky2: driver version 1.30 [ 4.591941] usbcore: registered new interface driver r8152 [ 4.592451] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 4.592481] ehci-pci: EHCI PCI platform driver [ 4.592552] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 4.592567] ohci-pci: OHCI PCI platform driver [ 4.592620] uhci_hcd: USB Universal Host Controller Interface driver [ 4.594523] xhci_hcd 0000:00:15.0: xHCI Host Controller [ 4.595353] xhci_hcd 0000:00:15.0: new USB bus registered, assigned bus number 1 [ 4.596590] xhci_hcd 0000:00:15.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 [ 4.596639] xhci_hcd 0000:00:15.0: cache line size of 64 is not supported [ 4.598167] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 4.598203] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.598206] usb usb1: Product: xHCI Host Controller [ 4.598209] usb usb1: Manufacturer: Linux 5.10.164-cip24 xhci-hcd [ 4.598212] usb usb1: SerialNumber: 0000:00:15.0 [ 4.599432] hub 1-0:1.0: USB hub found [ 4.599540] hub 1-0:1.0: 8 ports detected [ 4.601462] xhci_hcd 0000:00:15.0: xHCI Host Controller [ 4.601912] xhci_hcd 0000:00:15.0: new USB bus registered, assigned bus number 2 [ 4.601926] xhci_hcd 0000:00:15.0: Host supports USB 3.0 SuperSpeed [ 4.602235] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 [ 4.602242] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.602245] usb usb2: Product: xHCI Host Controller [ 4.602248] usb usb2: Manufacturer: Linux 5.10.164-cip24 xhci-hcd [ 4.602251] usb usb2: SerialNumber: 0000:00:15.0 [ 4.603146] hub 2-0:1.0: USB hub found [ 4.603238] hub 2-0:1.0: 7 ports detected [ 4.604859] usbcore: registered new interface driver usblp [ 4.604916] usbcore: registered new interface driver usb-storage [ 4.605318] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers [ 4.605427] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 [ 4.605429] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp [ 4.605989] i8042: Warning: Keylock active [ 4.606254] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 4.608329] rtc_cmos rtc_cmos: RTC can wake from S4 [ 4.610498] rtc_cmos rtc_cmos: registered as rtc0 [ 4.610871] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input4 [ 4.612018] rtc_cmos rtc_cmos: alarms up to one month, 114 bytes nvram [ 4.613304] i801_smbus 0000:00:1f.1: can't derive routing for PCI INT A [ 4.613307] i801_smbus 0000:00:1f.1: PCI INT A: no GSI [ 4.613339] i801_smbus 0000:00:1f.1: SPD Write Disable is set [ 4.613397] genirq: Flags mismatch irq 0. 00000080 (i801_smbus) vs. 00015a00 (timer) [ 4.613417] i801_smbus 0000:00:1f.1: Failed to allocate irq 0: -16 [ 4.613420] i801_smbus 0000:00:1f.1: SMBus using polling [ 4.614266] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com [ 4.614309] intel_pstate: Intel P-state driver initializing [ 4.617095] sdhci: Secure Digital Host Controller Interface driver [ 4.617102] sdhci: Copyright(c) Pierre Ossman [ 4.617346] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 4.623944] Console: switching to colour frame buffer device 240x67 [ 4.627858] sdhci-pci 0000:00:1c.0: SDHCI controller found [8086:5acc] (rev b) [ 4.634511] mmc0: SDHCI controller on PCI [0000:00:1c.0] using ADMA 64-bit [ 4.635546] hid: raw HID events driver (C) Jiri Kosina [ 4.638255] usbcore: registered new interface driver usbhid [ 4.638261] usbhid: USB HID core driver [ 4.640558] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:14/PNP0C09:00/GOOG0006:00/input/input5 [ 4.647867] cros_ec_lpcs GOOG0004:00: Chrome EC device registered [ 4.651314] snd_hda_intel 0000:00:0e.0: DSP detected with PCI class/subclass/prog-if info 0x040100 [ 4.653736] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device [ 4.664525] snd_hda_intel 0000:00:0e.0: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) [ 4.666170] netem: version 1.3 [ 4.668118] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 4.690486] snd_hda_intel 0000:00:0e.0: Cannot probe codecs, giving up [ 4.765117] mmc0: new HS400 MMC card at address 0001 [ 4.770585] gre: GRE over IPv4 demultiplexor driver [ 4.779556] mmcblk0: mmc0:0001 TA2964 58.3 GiB [ 4.785687] ip_gre: GRE over IPv4 tunneling driver [ 4.790095] IPv4 over IPsec tunneling driver [ 4.794464] mmcblk0boot0: mmc0:0001 TA2964 partition 1 4.00 MiB [ 4.800930] Initializing XFRM netlink socket [ 4.806791] mmcblk0boot1: mmc0:0001 TA2964 partition 2 4.00 MiB [ 4.814410] NET: Registered protocol family 10 [ 4.816939] mmcblk0rpmb: mmc0:0001 TA2964 partition 3 4.00 MiB, chardev (246:0) [ 4.824707] Segment Routing with IPv6 [ 4.847024] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 [ 4.853287] usb 1-5: new high-speed USB device number 2 using xhci_hcd [ 4.854420] ip6_gre: GRE over IPv6 tunneling driver [ 4.855975] NET: Registered protocol family 17 [ 4.856620] Key type dns_resolver registered [ 5.236788] microcode: sig=0x506c9, pf=0x1, revision=0x2c [ 5.243011] microcode: Microcode Update Driver: v2.2. [ 5.243036] IPI shorthand broadcast: enabled [ 5.253624] sched_clock: Marking stable (5172238951, 81241640)->(5274375223, -20894632) [ 5.263644] registered taskstats version 1 [ 5.268285] Loading compiled-in X.509 certificates [ 5.288335] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.307667] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.326000] PM: Magic number: 7:193:39 [ 5.330596] bdi 7:4: hash matches [ 5.335228] printk: console [netcon0] enabled [ 5.340126] netconsole: network logging started [ 5.348911] IP-Config: Failed to open gretap0 [ 5.354012] IP-Config: Failed to open erspan0 [ 5.358917] IP-Config: No network devices available [ 5.364426] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 5.389591] usb 1-5: New USB device found, idVendor=0408, idProduct=3090, bcdDevice= 0.04 [ 5.394730] modprobe (102) used greatest stack depth: 14208 bytes left [ 5.399027] usb 1-5: New USB device strings: Mfr=3, Product=1, SerialNumber=2 [ 5.407174] modprobe (103) used greatest stack depth: 14032 bytes left [ 5.410745] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 5.411897] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 5.411951] cfg80211: failed to load regulatory.db [ 5.412486] ALSA device list: [ 5.412507] No soundcards found. [ 5.414285] usb 1-5: Product: USB2.0 HD UVC WebCam [ 5.456655] usb 1-5: Manufacturer: Quanta [ 5.456664] usb 1-5: SerialNumber: 0x0001 [ 5.468034] dw-apb-uart dw-apb-uart.8: forbid DMA for kernel console [ 5.468679] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.499585] Freeing unused kernel image (initmem) memory: 2012K [ 5.509831] usb 2-5: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.519981] Write protecting the kernel read-only data: 28672k [ 5.531413] usb 2-5: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 [ 5.531688] Freeing unused kernel image (text/rodata gap) memory: 2028K [ 5.540627] usb 2-5: New USB device strings: Mfr=1, Product=2, SerialNumber=6 [ 5.556013] usb 2-5: Product: USB 10/100/1000 LAN [ 5.561318] usb 2-5: Manufacturer: Realtek [ 5.565939] usb 2-5: SerialNumber: 001000001 [ 5.566054] Freeing unused kernel image (rodata/data gap) memory: 200K [ 5.578278] Run /init as init process [ 5.580801] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) Loading, please wait... [ 5.644291] usb 1-6: new full-speed USB device number 3 using xhci_hcd Starting version 247.3-7+deb11u1 [ 5.691533] systemd-udevd (124) used greatest stack depth: 13800 bytes left [ 5.781453] usb 1-6: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 [ 5.790690] usb 1-6: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 5.807027] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.897160] usb 2-5: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.948317] r8152 2-5:1.0: load rtl8153b-2 v1 10/23/19 successfully [ 5.997958] r8152 2-5:1.0 eth0: v1.11.11 [ 6.001459] udevadm (126) used greatest stack depth: 13608 bytes left [ 6.003827] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 6.149334] r8152 2-5:1.0 enx00e04c680a3b: renamed from eth0 [ 6.932029] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. [ 6.942322] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 7.042832] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 7.286165] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 7.313827] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available Device /sys/class/net/enx00e04c680a3b found done. IP-Config: enx00e04c680a3b hardware address 00:e0:4c:68:0a:3b mtu 1500 DHCP IP-Config: gretap0 hardware address 00:00:00:00:00:00 mtu 1462 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: erspan0 hardware address 00:00:00:00:00:00 mtu 1450 DHCP SIOCSIFFLAGS: Cannot assign requested address [ 7.599000] IPv6: ADDRCONF(NETDEV_CHANGE): enx00e04c680a3b: link becomes ready [ 7.608690] r8152 2-5:1.0 enx00e04c680a3b: carrier on IP-Config: no response after 2 secs - giving up IP-Config: enx00e04c680a3b hardware address 00:e0:4c:68:0a:3b mtu 1500 DHCP IP-Config: gretap0 hardware address 00:00:00:00:00:00 mtu 1462 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: erspan0 hardware address 00:00:00:00:00:00 mtu 1450 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: enx00e04c680a3b complete (dhcp from 192.168.201.1): address: 192.168.201.10 broadcast: 192.168.201.255 netmask: 255.255.255.0 gateway: 192.168.201.1 dns0 : 192.168.[ 10.597750] ipconfig (171) used greatest stack depth: 13464 bytes left 201.1 dns1 : 0.0.0.0 host : asus-C523NA-A20057-coral-cbg-0 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : [ 10.743779] nfsmount (172) 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 [ 12.506641] systemd[1]: systemd 247.3-7+deb11u1 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified) [ 12.547143] systemd[1]: Detected architecture x86-64. Welcome to Debian GNU/Linux 11 (bullseye)! [ 12.592060] systemd[1]: Set hostname to . [ 13.969326] systemd[1]: Queued start job for default target Graphical Interface. [ 13.987852] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. [ 14.006977] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. [ 14.025871] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. [ 14.044755] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. [ 14.063354] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. [ 14.083909] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. [ 14.106423] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [ OK ] Set up automount Arbitrary…s File System Automount Point. [ 14.130076] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. [ 14.147040] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. [ 14.158935] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. [ 14.175906] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. [ 14.187960] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. [ 14.201272] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. [ 14.222376] systemd[1]: Listening on Journal Audit Socket. [ OK ] Listening on Journal Audit Socket. [ 14.242399] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). [ 14.261064] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. [ 14.277324] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. [ 14.301128] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. [ 14.319606] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. [ 14.344332] systemd[1]: Mounting Huge Pages File System... Mounting Huge Pages File System... [ 14.367257] systemd[1]: Mounting POSIX Message Queue File System... Mounting POSIX Message Queue File System... [ 14.392882] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... [ 14.416791] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... [ 14.451136] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... [ 14.478643] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... [ 14.504277] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... [ 14.520102] mount (199) used greatest stack depth: 12528 bytes left [ 14.524964] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... [ 14.551707] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 14.595435] systemd[1]: Starting Journal Service... Starting Journal Service... [ 14.617227] fuse: init (API version 7.32) [ 14.623383] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... [ 14.643603] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... [ 14.668793] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... [ 14.699824] systemd[1]: Mounted Huge Pages File System. [ OK ] Mounted Huge Pages File System. [ 14.715685] systemd[1]: Mounted POSIX Message Queue File System. [ OK ] Mounted POSIX Message Queue File System. [ 14.737724] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. [ 14.758611] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. [ 14.780850] systemd[1]: Finished Create list of static device nodes for the current kernel. [ OK ] Finished Create list of st… nodes for the current kernel. [ 14.809261] systemd[1]: modprobe@configfs.service: Succeeded. [ 14.818995] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. [ 14.839956] systemd[1]: modprobe@drm.service: Succeeded. [ 14.848802] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. [ 14.868976] systemd[1]: modprobe@fuse.service: Succeeded. [ 14.878342] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. [ 14.899876] systemd[1]: Finished Load Kernel Modules. [ OK ] Finished Load Kernel Modules. [ 14.919746] systemd[1]: Finished Remount Root and Kernel File Systems. [ OK ] Finished Remount Root and Kernel File Systems. [ 14.945975] systemd[1]: Mounting FUSE Control File System... Mounting FUSE Control File System... [ 14.972519] systemd[1]: Mounting Kernel Configuration File System... Mounting Kernel Configuration File System... [ 15.001770] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped. [ 15.012149] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped. [ 15.029940] systemd[1]: Starting Load/Save Random Seed... Starting Load/Save Random Seed... [ 15.052535] systemd[1]: Starting Apply Kernel Variables... Starting Apply Kernel Variables... [ 15.079747] systemd[1]: Starting Create System Users... Starting Create System Users... [ 15.115983] systemd[1]: Mounted FUSE Control File System. [ OK ] Mounted FUSE Control File System. [ 15.134020] systemd[1]: Mounted Kernel Configuration File System. [ OK ] Mounted Kernel Configuration File System. [ 15.166082] systemd[1]: Finished Load/Save Random Seed. [ OK ] Finished Load/Save Random Seed. [ 15.187450] systemd[1]: Finished Apply Kernel Variables. [ OK ] Finished Apply Kernel Variables. [ 15.205343] systemd[1]: Condition check resulted in First Boot Complete being skipped. [ 15.329638] systemd[1]: Finished Create System Users. [ OK ] Finished Create System Users. [ 15.352532] systemd[1]: Starting Create Static Device Nodes in /dev... Starting Create Static Device Nodes in /dev... [ 15.441800] systemd[1]: Started Journal Service. [ OK ] Started Journal Service. Starting Flush Journal to Persistent Storage... [ OK ] Finished Create Static Device Nodes in /dev. [ OK ] Reached target Local File Systems (Pre). [ OK ] Reached target Local File Systems[[ 15.567946] systemd-journald[207]: Received client request to flush runtime journal. 0m. 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 ] Listening on Load/Save RF …itch Status /dev/rfkill Watch. [ OK ] Finished Load/Save Screen … of backlight:intel_backlight. [ OK ] Finished Create Volatile Files and Directories. [ OK ] Started Network Service. Starting Network Name Resolution... Starting Network Time Synchronization... Starting Update UTMP about System Boot/Shutdown... [ OK ] Finished Update UTMP about System Boot/Shutdown. [ OK ] Started Network Time Synchronization. [ OK ] Reached target System Initialization. [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Reached target System Time Set. [ OK ] Reached target System Time Synchronized. [ OK ] Started Daily apt download activities. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Started Periodic ext4 Onli…ata Check for All Filesystems. [ OK ] Started Discard unused blocks once a week. [ OK ] Reached target Timers. [ OK ] Listening on D-Bus System Message Bus Socket. [ OK ] Reached target Sockets. [ OK ] Reached target Basic System. [ OK ] Started D-Bus System Message Bus. Starting Remove Stale Onli…t4 Metadata Check Snapshots... Starting User Login Management... [ OK ] Started Network Name Resolution. [ OK ] Reached target Network. [ OK ] Reached target Host and Network Name Lookups. Starting Permit User Sessions... [ OK ] Finished Permit User Sessions. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS2. [ OK ] Reached target Login Prompts. [ OK ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots. [ OK ] Started User Login Management. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Finished Update UTMP about System Runlevel Changes. Debian GNU/Linux 11 debian-bullseye-amd64 ttyS2 debian-bullseye-amd64 login: root (automatic login) Linux debian-bullseye-amd64 5.10.164-cip24 #1 SMP Wed Jan 18 14:52:48 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/8777937/extract-nfsrootfs-ypu6g9hb' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/8777937/extract-nfsrootfs-ypu6g9hb' / # 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-8777937/environment . /lava-8777937/environment / # /lava-8777937/bin/lava-test-runner /lava-8777937/0 /lava-8777937/bin/lava-test-runner /lava-8777937/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-8777937/0/tests/0_timesync-off ++ cat uuid + UUID=8777937_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-8777937/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=8777937_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/v5.10.162-cip24-853-g709bb3738fde/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz -L '' -S skipfile-lkft.yaml -b asus-C523NA-A20057-coral -g cip-gitlab -e '' -p /opt/kselftests/mainline/ -n 1 -i 1 INFO: Generating a skipfile based on /lava-8777937/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/skipfile-lkft.yaml INFO: Using the following generated skipfile contents (until EOF): breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait INFO: EOF INFO: install_deps skipped --2023-01-18 18:03:11-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.162-cip24-853-g709bb3738fde/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: 3320172 (3.2M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 50.15K 173KB/s kselftest.tar.xz 6%[> ] 216.08K 373KB/s kselftest.tar.xz 24%[===> ] 809.99K 883KB/s kselftest.tar.xz 25%[====> ] 826.47K 712KB/s kselftest.tar.xz 72%[=============> ] 2.31M 1.70MB/s kselftest.tar.xz 100%[===================>] 3.17M 2.11MB/s in 1.5s 2023-01-18 18:03:13 (2.11 MB/s) - 'kselftest.tar.xz' saved [3320172/3320172] skiplist: ======================================== breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait ======================================== 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 =============== [ 42.291291] 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 [ 42.913476] lkdtm: Performing direct entry BUG [ 42.918792] ------------[ cut here ]------------ [ 42.924075] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 42.930007] invalid opcode: 0000 [#1] SMP PTI [ 42.934871] CPU: 1 PID: 653 Comm: cat Tainted: G W 5.10.164-cip24 #1 [ 42.943401] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 42.950007] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 42.954383] Code: 89 ff e8 9e 6a a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 65 92 02 [ 42.975303] RSP: 0018:ffff985c41247e60 EFLAGS: 00010282 [ 42.981129] RAX: ffffffffa06e40d0 RBX: 0000000000000001 RCX: 0000000000000000 [ 42.989079] RDX: 0000000000000000 RSI: ffff8b04bbc9bf70 RDI: ffffffffa14d0fb0 [ 42.997027] RBP: ffffffffa190f118 R08: 0000000000000001 R09: 0000000000000001 [ 43.004974] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 43.012924] R13: ffff985c41247f10 R14: ffff985c41247f10 R15: ffff8b0444e4e000 [ 43.020875] FS: 00007fc6b7cec580(0000) GS:ffff8b04bbc80000(0000) knlGS:0000000000000000 [ 43.029892] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.036296] CR2: 00007fc6b7af5000 CR3: 0000000105518000 CR4: 00000000003506e0 [ 43.044250] Call Trace: [ 43.046984] direct_entry.cold+0x2c/0x38 [ 43.051365] full_proxy_write+0x56/0x80 [ 43.055643] vfs_write+0xea/0x3a0 [ 43.059338] ksys_write+0x68/0xf0 [ 43.063036] do_syscall_64+0x33/0x40 [ 43.067021] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 43.072652] RIP: 0033:0x7fc6b7c02833 [ 43.076634] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 43.097564] RSP: 002b:00007ffc600d0088 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 43.106006] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fc6b7c02833 [ 43.113957] RDX: 0000000000000004 RSI: 00007fc6b7af5000 RDI: 0000000000000001 [ 43.121908] RBP: 00007fc6b7af5000 R08: 00007fc6b7af4010 R09: 0000000000000000 [ 43.129862] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 43.137816] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 43.145782] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 43.161759] ---[ end trace f681458b8048e8f9 ]--- [ 43.166932] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 43.171325] Code: 89 ff e8 9e 6a a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 65 92 02 [ 43.192277] RSP: 0018:ffff985c41247e60 EFLAGS: 00010282 [ 43.198123] RAX: ffffffffa06e40d0 RBX: 0000000000000001 RCX: 0000000000000000 [ 43.206095] RDX: 0000000000000000 RSI: ffff8b04bbc9bf70 RDI: ffffffffa14d0fb0 [ 43.214065] RBP: ffffffffa190f118 R08: 0000000000000001 R09: 0000000000000001 [ 43.222036] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 43.230023] R13: ffff985c41247f10 R14: ffff985c41247f10 R15: ffff8b0444e4e000 [ 43.238003] FS: 00007fc6b7cec580(0000) GS:ffff8b04bbc80000(0000) knlGS:0000000000000000 [ 43.247041] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.253465] CR2: 00007fc6b7af5000 CR3: 0000000105518000 CR4: 00000000003506e0 # Segmentation fault # [ 42.913476] lkdtm: Performing direct entry BUG # [ 42.918792] ------------[ cut here ]------------ # [ 42.924075] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 42.930007] invalid opcode: 0000 [#1] SMP PTI # [ 42.934871] CPU: 1 PID: 653 Comm: cat Tainted: G W 5.10.164-cip24 #1 # [ 42.943401] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 42.950007] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 42.954383] Code: 89 ff e8 9e 6a a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 65 92 02 # [ 42.975303] RSP: 0018:ffff985c41247e60 EFLAGS: 00010282 # [ 42.981129] RAX: ffffffffa06e40d0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 42.989079] RDX: 0000000000000000 RSI: ffff8b04bbc9bf70 RDI: ffffffffa14d0fb0 # [ 42.997027] RBP: ffffffffa190f118 R08: 0000000000000001 R09: 0000000000000001 # [ 43.004974] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 43.012924] R13: ffff985c41247f10 R14: ffff985c41247f10 R15: ffff8b0444e4e000 # [ 43.020875] FS: 00007fc6b7cec580(0000) GS:ffff8b04bbc80000(0000) knlGS:0000000000000000 # [ 43.029892] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 43.036296] CR2: 00007fc6b7af5000 CR3: 0000000105518000 CR4: 00000000003506e0 # [ 43.044250] Call Trace: # [ 43.046984] direct_entry.cold+0x2c/0x38 # [ 43.051365] full_proxy_write+0x56/0x80 # [ 43.055643] vfs_write+0xea/0x3a0 # [ 43.059338] ksys_write+0x68/0xf0 # [ 43.063036] do_syscall_64+0x33/0x40 # [ 43.067021] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 43.072652] RIP: 0033:0x7fc6b7c02833 # [ 43.076634] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 43.097564] RSP: 002b:00007ffc600d0088 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 43.106006] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fc6b7c02833 # [ 43.113957] RDX: 0000000000000004 RSI: 00007fc6b7af5000 RDI: 0000000000000001 # [[ 43.510321] lkdtm: Performing direct entry WARNING 43.121908] RBP: 00007fc6b7af5000 R08: 00007fc6b7af4010 R09: 0[ 43.516221] ------------[ cut here ]------------ [ 43.527568] WARNING: CPU: 2 PID: 689 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 [ 43.536994] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 43.552945] CPU: 2 PID: 689 Comm: cat Tainted: G D W 5.10.164-cip24 #1 [ 43.561488] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 43.568106] RIP: 0010:lkdtm_WARNING+0x13/0x20 [ 43.572993] 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 80 65 92 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 61 65 000000000000000 # [ 43.129862] R10: fffffffffffffbc5 R11: 000[ 43.593938] RSP: 0018:ffff985c412d7e60 EFLAGS: 00010202 [ 43.605956] RAX: ffffffffa06e40e0 RBX: 0000000000000002 RCX: 0000000000000000 [ 43.613923] RDX: 0000000000000000 RSI: ffff8b04bbd1bf70 RDI: ffffffffa14d0fc0 [ 43.621889] RBP: ffffffffa18b3a27 R08: 0000000000000000 R09: 0000000000000000 [ 43.629855] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 [ 43.637828] R13: ffff985c412d7f10 R14: ffff985c412d7f10 R15: ffff8b0444097000 [ 43.645796] FS: 00007f57b623f580(0000) GS:ffff8b04bbd00000(0000) knlGS:0000000000000000 [ 43.654825] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.661240] CR2: 00007f57b6048000 CR3: 0000000103cc6000 CR4: 00000000003506e0 [ 43.669207] Call Trace: [ 43.671963] direct_entry.cold+0x2c/0x38 [ 43.676364] full_proxy_write+0x56/0x80 [ 43.680667] vfs_write+0xea/0x3a0 [ 43.684383] ksys_write+0x68/0xf0 [ 43.688102] do_syscall_64+0x33/0x40 [ 43.692109] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 43.697759] RIP: 0033:0x7f57b6155833 [ 43.701771] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 43.722703] RSP: 002b:00007ffd01598f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 43.731162] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f57b6155833 [ 43.739121] RDX: 0000000000000008 RSI: 00007f57b6048000 RDI: 0000000000000001 [ 43.747090] RBP: 00007f57b6048000 R08: 00007f57b6047010 R09: 0000000000000000 [ 43.755061] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 43.763030] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 43.771019] irq event stamp: 0 0000000000246 R12: 0000000000000001 # [ 43.137816] R13: 00000[ 43.774439] hardirqs last enabled at (0): [<0000000000000000>] 0x0 00000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 4[ 43.787637] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 43.802955] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 43.812097] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 43.819103] ---[ end trace f681458b8048e8fa ]--- 3.145782] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 43.161759] ---[ end trace f681458b8048e8f9 ]--- # [ 43.166932] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 43.171325] Code: 89 ff e8 9e 6a a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 65 92 02 # [ 43.192277] RSP: 0018:ffff985c41247e60 EFLAGS: 00010282 # [ 43.198123] RAX: ffffffffa06e40d0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 43.206095] RDX: 0000000000000000 RSI: ffff8b04bbc9bf70 RDI: ffffffffa14d0fb0 # [ 43.214065] RBP: ffffffffa190f118 R08: 0000000000000001 R09: 0000000000000001 # [ 43.222036] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 43.230023] R13: ffff985c41247f10 R14: ffff985c41247f10 R15: ffff8b0444e4e000 # [ 43.238003] FS: 00007fc6b7cec580(0000) GS:ffff8b04bbc80000(0000) knlGS:0000000000000000 # [ 43.247041] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 43.253465] CR2: 00007fc6b7af5000 CR3: 0000000105518000 CR4: 00000000003506e0 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 43.510321] lkdtm: Performing direct entry WARNING # [ 43.516221] ------------[ cut here ]------------ # [ 43.527568] WARNING: CPU: 2 PID: 689 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 # [ 43.536994] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 43.552945] CPU: 2 PID: 689 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 43.561488] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 43.568106] RIP: 0010:lkdtm_WARNING+0x13/0x20 # [ 43.572993] 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 80 65 92 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 61 65 # [ 43.593938] RSP: 0018:ffff985c412d7e60 EFLAGS: 00010202 # [ 43.605956] RAX: ffffffffa06e40e0 RBX: 0000000000000002 RCX: 0000000000000000 # [ 43.613923] RDX: 0000000000000000 RSI: ffff8b04bbd1bf70 RDI: ffffffffa14d0fc0 # [ 43.621889] RBP: ffffffffa18b3a27 R08: 0000000000000000 R09: 0000000000000000 # [ 43.629855] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ 43.637828] R13: ffff985c412d7f10 R14: ffff985c[ 44.071328] lkdtm: Performing direct entry WARNING_MESSAGE [ 44.078267] ------------[ cut here ]------------ [ 44.083444] Warning message trigger count: 2 412d7f10 R15: ffff8b0444097000 # [ 43.645796] FS: 00007f57b6[ 44.088312] WARNING: CPU: 1 PID: 724 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 [ 44.104609] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 23f580(0000) GS:ffff8b04bbd00000(0000) knlGS:0000000000000000 #[ 44.120567] CPU: 1 PID: 724 Comm: cat Tainted: G D W 5.10.164-cip24 #1 [ 43.654825] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003[ 44.135286] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 44.148112] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 [ 44.153767] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 61 65 92 02 48 c7 c7 88 3f 8b a1 8d 70 01 89 35 51 65 92 02 e8 e7 46 63 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 [ 44.174702] RSP: 0018:ffff985c4134fe60 EFLAGS: 00010286 [ 44.180551] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 44.188527] RDX: ffff8b04bbcac660 RSI: ffff8b04bbc9bf70 RDI: ffff8b04bbc9bf70 [ 44.196508] RBP: ffffffffa18b3a2f R08: 0000000000000000 R09: 0000000000000000 [ 44.204488] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 [ 44.212456] R13: ffff985c4134ff10 R14: ffff985c4134ff10 R15: ffff8b0445d65000 [ 44.220436] FS: 00007f0958c7a580(0000) GS:ffff8b04bbc80000(0000) knlGS:0000000000000000 [ 44.229479] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.235903] CR2: 00007f0958a83000 CR3: 0000000105c62000 CR4: 00000000003506e0 [ 44.243879] Call Trace: [ 44.246638] direct_entry.cold+0x2c/0x38 [ 44.251044] full_proxy_write+0x56/0x80 [ 44.255349] vfs_write+0xea/0x3a0 [ 44.259073] ksys_write+0x68/0xf0 [ 44.262796] do_syscall_64+0x33/0x40 [ 44.266809] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 44.272472] RIP: 0033:0x7f0958b90833 [ 44.276483] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 44.297427] RSP: 002b:00007ffdb4e8ba98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 44.305890] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f0958b90833 [ 44.313865] RDX: 0000000000000010 RSI: 00007f0958a83000 RDI: 0000000000000001 [ 44.321840] RBP: 00007f0958a83000 R08: 00007f0958a82010 R09: 0000000000000000 [ 44.329824] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 44.337807] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 44.345788] irq event stamp: 0 [ 44.349215] hardirqs last enabled at (0): [<0000000000000000>] 0x0 3 # [ 43.661240] CR2: 00007f57b6048000 CR3: 0000000103cc6000 [ 44.356223] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 44.371533] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 44.380678] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 44.387685] ---[ end trace f681458b8048e8fb ]--- CR4: 00000000003506e0 # [ 43.669207] Call Trace: # [ 43.671963] direct_entry.cold+0x2c/0x38 # [ 43.676364] full_proxy_write+0x56/0x80 # [ 43.680667] vfs_write+0xea/0x3a0 # [ 43.684383] ksys_write+0x68/0xf0 # [ 43.688102] do_syscall_64+0x33/0x40 # [ 43.692109] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 43.697759] RIP: 0033:0x7f57b6155833 # [ 43.701771] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 43.722703] RSP: 002b:00007ffd01598f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 43.731162] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f57b6155833 # [ 43.739121] RDX: 0000000000000008 RSI: 00007f57b6048000 RDI: 0000000000000001 # [ 43.747090] RBP: 00007f57b6048000 R08: 00007f57b6047010 R09: 0000000000000000 # [ 43.755061] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 43.763030] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 43.771019] irq event stamp: 0 # [ 43.774439] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 43.787637] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 43.802955] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 43.812097] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 43.819103] ---[ end trace f681458b8048e8fa ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 44.071328] lkdtm: Performing direct entry WARNING_MESSAGE # [ 44.078267] ------------[ cut here ]------------ # [ 44.083444] Warning message trigger count: 2 # [ 44.088312] WARNING: CPU: 1 PID: 724 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 44.104609] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 44.120567] CPU: 1 PID: 724 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 44.135286] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 44.148112] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 44.153767] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 61 65 92 02 48 c7 c7 88 3f 8b a1 8d 70 01 89 35 51 65 92 02 e8 e7 46 63 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 44.174702] RSP: 0018:ffff985c4134fe[ 44.638498] lkdtm: Performing direct entry EXCEPTION [ 44.646497] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 44.654261] #PF: supervisor write access in kernel mode [ 44.660083] #PF: error_code(0x0002) - not-present page [ 44.665808] PGD 0 P4D 0 [ 44.668639] Oops: 0002 [#2] SMP PTI [ 44.672529] CPU: 1 PID: 756 Comm: cat Tainted: G D W 5.10.164-cip24 #1 [ 44.681057] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 44.687664] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 [ 44.692609] Code: 48 c7 c7 88 3f 8b a1 8d 70 01 89 35 51 65 92 02 e8 e7 46 63 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 [ 44.713531] RSP: 0018:ffff985c413c7e60 EFLAGS: 00010286 [ 44.719355] RAX: ffffffffa06e4130 RBX: 0000000000000004 RCX: 0000000000000000 [ 44.727307] RDX: 0000000000000000 RSI: ffff8b04bbc9bf70 RDI: ffffffffa14d0fe0 [ 44.735254] RBP: ffffffffa17e88bf R08: 0000000000000000 R09: 0000000000000000 [ 44.743203] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 44.751155] R13: ffff985c413c7f10 R14: ffff985c413c7f10 R15: ffff8b0443e5c000 [ 44.759108] FS: 00007fd1e470c580(0000) GS:ffff8b04bbc80000(0000) knlGS:0000000000000000 [ 44.768124] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.774528] CR2: 0000000000000000 CR3: 00000001057fc000 CR4: 00000000003506e0 [ 44.782480] Call Trace: [ 44.785217] direct_entry.cold+0x2c/0x38 [ 44.789601] full_proxy_write+0x56/0x80 [ 44.793873] vfs_write+0xea/0x3a0 [ 44.797569] ksys_write+0x68/0xf0 [ 44.801267] do_syscall_64+0x33/0x40 [ 44.805252] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 44.810883] RIP: 0033:0x7fd1e4622833 [ 44.814870] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 44.835793] RSP: 002b:00007ffe4ed29318 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 44.844233] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fd1e4622833 [ 44.852185] RDX: 000000000000000a RSI: 00007fd1e4515000 RDI: 0000000000000001 [ 44.860137] RBP: 00007fd1e4515000 R08: 00007fd1e4514010 R09: 0000000000000000 [ 44.868087] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 44.876039] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 44.884003] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 44.899927] CR2: 0000000000000000 [ 44.903620] ---[ end trace f681458b8048e8fc ]--- [ 44.908759] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 44.913131] Code: 89 ff e8 9e 6a a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 65 92 02 [ 44.934054] RSP: 0018:ffff985c41247e60 EFLAGS: 00010282 [ 44.939869] RAX: ffffffffa06e40d0 RBX: 0000000000000001 RCX: 0000000000000000 [ 44.947819] RDX: 0000000000000000 RSI: ffff8b04bbc9bf70 RDI: ffffffffa14d0fb0 [ 44.955769] RBP: ffffffffa190f118 R08: 0000000000000001 R09: 0000000000000001 [ 44.963722] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 44.971670] R13: ffff985c41247f10 R14: ffff985c41247f10 R15: ffff8b0444e4e000 [ 44.979619] FS: 00007fd1e470c580(0000) GS:ffff8b04bbc80000(0000) knlGS:0000000000000000 [ 44.988635] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.995034] CR2: 0000000000000000 CR3: 00000001057fc000 CR4: 00000000003506e0 [ 45.002985] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 45.012871] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 756, name: cat [ 45.021206] INFO: lockdep is turned off. [ 45.025576] irq event stamp: 0 [ 45.028978] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 45.035964] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 45.045078] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 45.054190] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 45.061178] CPU: 1 PID: 756 Comm: cat Tainted: G D W 5.10.164-cip24 #1 [ 45.069714] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 45.076313] Call Trace: [ 45.079045] dump_stack+0x77/0x9b [ 45.082747] ___might_sleep.cold+0xa6/0xb6 [ 45.087318] exit_signals+0x1c/0x2e0 [ 45.091306] do_exit+0xc2/0xaf0 [ 45.094812] ? ksys_write+0x68/0xf0 [ 45.098706] rewind_stack_do_exit+0x17/0x20 [ 45.103368] RIP: 0033:0x7fd1e4622833 [ 45.107350] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 45.128274] RSP: 002b:00007ffe4ed29318 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 45.136712] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fd1e4622833 [ 45.144660] RDX: 000000000000000a RSI: 00007fd1e4515000 RDI: 0000000000000001 [ 45.152611] RBP: 00007fd1e4515000 R08: 00007fd1e4514010 R09: 0000000000000000 [ 45.160560] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 45.168511] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 60 EFLAGS: 00010286 # [ 44.180551] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 44.188527] RDX: ffff8b04bbcac660 RSI: ffff8b04bbc9bf70 RDI: ffff8b04bbc9bf70 # [ 44.196508] RBP: ffffffffa18b3a2f R08: 0000000000000000 R09: 0000000000000000 # [ 44.204488] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 44.212456] R13: ffff985c4134ff10 R14: ffff985c4134ff10 R15: ffff8b0445d65000 # [ 44.220436] FS: 00007f0958c7a580(0000) GS:ffff8b04bbc80000(0000) knlGS:0000000000000000 # [ 44.229479] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.235903] CR2: 00007f0958a83000 CR3: 0000000105c62000 CR4: 00000000003506e0 # [ 44.243879] Call Trace: # [ 44.246638] direct_entry.cold+0x2c/0x38 # [ 44.251044] full_proxy_write+0x56/0x80 # [ 44.255349] vfs_write+0xea/0x3a0 # [ 44.259073] ksys_write+0x68/0xf0 # [ 44.262796] do_syscall_64+0x33/0x40 # [ 44.266809] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 44.272472] RIP: 0033:0x7f0958b90833 # [ 44.276483] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 44.297427] RSP: 002b:00007ffdb4e8ba98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 44.305890] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f0958b90833 # [ 44.313865] RDX: 0000000000000010 RSI: 00007f0958a83000 RDI: 0000000000000001 # [ 44.321840] RBP: 00007f0958a83000 R08: 00007f0958a82010 R09: 0000000000000000 # [ 44.329824] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 44.337807] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 44.345788] irq event stamp: 0 # [ 44.349215] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 44.356223] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 44.371533] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 44.380678] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 44.387685] ---[ end trace f681458b8048e8fb ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 44.638498] lkdtm: Performing direct entry EXCEPTION # [ 44.646497] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 44.654261] #PF: supervisor write access in kernel mode # [ 44.660083] #PF: error_code(0x0002) - not-present page # [ 44.665808] PGD 0 P4D 0 # [ 44.668639] Oops: 0002 [#2] SMP PTI # [ 44.672529] CPU: 1 PID: 756 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 44.681057] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 44.687664] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 44.692609] Code: 48 c7 c7 88 3f 8b a1 8d 70 01 89 35 51 65 92 02 e8 e7 46 63 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 # [ 44.713531] RSP: 0018:ffff985c413c7e60 EFLAGS: 00010286 # [ 44.719355] RAX: ffffffffa06e4130 RBX: 0000000000000004 RCX: 0000000000000000 # [ 44.727307] RDX: 0000000000000000 RSI: ffff8b04bbc9bf70 RDI: ffffffffa14d0fe0 # [ 44.735254] RBP: ffffffffa17e88bf R08: 0000000000000000 R09: 0000000000000000 # [ 44.743203] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 44.751155] R13: ffff985c413c7f10 R14: ffff985c413c7f10 R15: ffff8b0443e5c000 # [ 44.759108] FS: 00007fd1e470c580(0000) GS:ffff8b04bbc80000(0000) knlGS:0000000000000000 # [ 44.768124] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.774528] CR2: 0000000000000000 CR3: 00000001057fc000 CR4: 00000000003506e0 # [ 44.782480] Call Trace: # [ 44.785217] direct_entry.cold+0x2c/0x38 # [ 44.789601] full_proxy_write+0x56/0x80 # [ 44.793873] vfs_write+0xea/0x3a0 # [ 44.797569] ksys_write+0x68/0xf0 # [ 44.801267] do_syscall_64+0x33/0x40 # [ 44.805252] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 44.810883] RIP: 0033:0x7fd1e4622833 # [ 44.814870] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 44.835793] RSP: 002b:00007ffe4ed29318 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 44.844233] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fd1e4622833 # [ 44.852185] RDX: 000000000000000a RSI: 00007fd1e4515000 RDI: 0000000000000001 # [ 44.860137] RBP: 00007fd1e4515000 R08: 00007fd1e4514010 R09: 0000000000000000 # [ 44.868087] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 44.876039] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 44.884003] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 44.899927] CR2: 0000000000000000 # [ 44.903620] ---[ end trace f681458b8048e8fc ]--- # [ 44.908759] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 44.913131] Code: 89 ff e8 9e 6a a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 65 92 02 # [ 44.934054] RSP: 0018:ffff985c41247e60 EFLAGS: 00010282 # [ 44.939869] RAX: ffffffffa06e40d0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 44.947819] RDX: 0000000000000000 RSI: ffff8b04bbc9bf70 RDI: ffffffffa14d0fb0 # [ 44.955769] RBP: ffffffffa190f118 R08: 0000000000000001 R09: 0000000000000001 # [ 44.963722] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 44.971670] R13: ffff985c41247f10 R14: ffff985c41247f10 R15: ffff8b0444e4e000 # [ 44.979619] FS: 00007fd1e470c580(0000) GS:ffff8b04bbc80000(0000) knlGS:0000000000000000 # [ 44.988635] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.995034] CR2: 0000000000000000 CR3: 00000001057fc000 CR4: 00000000003506e0 # [ 45.002985] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 45.012871] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 756, name: cat # [ 45.021206] INFO: lockdep is turned off. # [ 45.025576] irq event stamp: 0 # [ 45.028978] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 45.035964] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 45.045078] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 45.054190] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 45.061178] CPU: 1 PID: 756 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 45.069714] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 45.076313] Call Trace: # [ 45.079045] dump_stack+0x77/0x9b # [ 45.082747] ___might_sleep.cold+0xa6/0xb6 # [ 45.087318] exit_signals+0x1c/0x2e0 # [ 45.091306] do_exit+0xc2/0xaf0 # [ 45.094812] ? ksys_write+0x68/0xf0 # [ 45.098706] rewind_stack_do_exit+0x17/0x20 # [ 45.103368] RIP: 0033:0x7fd1e4622833 # [ 45.107350] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 45.128274] RSP: 002b:00007ffe4ed29318 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 45.136712] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fd1e4622833 # [ 45.144660] RDX: 000000000000000a RSI: 00007fd1e4515000 RDI: 0000000000000001 # [ 45.152611] RBP: 00007fd1e4515000 R08: 00007fd1e4514010 R09: 0000000000000000 # [ 45.160560] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 45.168511] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXCEPTION: saw 'call trace:': ok ok 5 selftests: lkdtm: EXCEPTION.sh # selftests: lkdtm: LOOP.sh # Skipping LOOP: Hangs the system ok 6 selftests: lkdtm: LOOP.sh # SKIP # selftests: lkdtm: EXHAUST_STACK.sh # Skipping EXHAUST_STACK: Corrupts memory on failure ok 7 selftests: lkdtm: EXHAUST_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK.sh # Skipping CORRUPT_STACK: Crashes entire system on success ok 8 selftests: lkdtm: CORRUPT_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK_STRONG.sh # Skipping CORRUPT_STACK_STRONG: Crashes entire system on success ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP # selftests: lkdtm: CORRUPT_LIST_ADD.sh [ 46.017623] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 46.023898] lkdtm: attempting good list addition [ 46.029082] lkdtm: attempting corrupted list addition [ 46.034743] lkdtm: list_add() corruption not detected! # [ 46.017623] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 46.023898] lkdtm: attempting good list addition # [ 46.029082] lkdtm: attempting corrupted list addition # [ 46.034743] 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 [ 46.273473] lkdtm: Performing direct entry CORRUPT_LIST_DEL [ 46.279739] lkdtm: attempting good list removal [ 46.284810] lkdtm: attempting corrupted list removal [ 46.290368] lkdtm: list_del() corruption not detected! # [ 46.273473] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 46.279739] lkdtm: attempting good list removal # [ 46.284810] lkdtm: attempting corrupted list removal # [ 46.290368] 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 [ 46.539352] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 46.546386] lkdtm: attempting bad read from page below current stack [ 46.553523] BUG: stack guard page was hit at 00000000b76a3722 (stack is 0000000057b8ecfa..0000000010e2d6cb) [ 46.564392] kernel stack overflow (page fault): 0000 [#3] SMP PTI [ 46.571188] CPU: 1 PID: 981 Comm: cat Tainted: G D W 5.10.164-cip24 #1 [ 46.579722] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 46.586329] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a [ 46.592833] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 28 43 8b a1 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 28 9d fd ff 48 c7 c7 68 43 8b a1 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 0e 9d fd ff 0f 1f 44 [ 46.613754] RSP: 0018:ffff985c416c7e50 EFLAGS: 00010246 [ 46.619580] RAX: 0000000000000038 RBX: ffff985c416c4000 RCX: 0000000000000000 [ 46.627532] RDX: 0000000000000000 RSI: ffff8b04bbc9bf70 RDI: ffffffffa18b4368 [ 46.635486] RBP: ffffffffa18b3a92 R08: 0000000000000000 R09: 0000000000000000 [ 46.643436] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 [ 46.651390] R13: ffff985c416c7f10 R14: ffff985c416c7f10 R15: ffff8b0444df9000 [ 46.659348] FS: 00007fe251404580(0000) GS:ffff8b04bbc80000(0000) knlGS:0000000000000000 [ 46.668367] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.674772] CR2: ffff985c416c3fff CR3: 0000000104cf6000 CR4: 00000000003506e0 [ 46.682723] Call Trace: [ 46.685454] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 [ 46.690507] direct_entry.cold+0x2c/0x38 [ 46.694882] full_proxy_write+0x56/0x80 [ 46.699161] vfs_write+0xea/0x3a0 [ 46.702856] ksys_write+0x68/0xf0 [ 46.706557] do_syscall_64+0x33/0x40 [ 46.710546] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 46.716179] RIP: 0033:0x7fe25131a833 [ 46.720167] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 46.741092] RSP: 002b:00007ffc44a903b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 46.749534] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fe25131a833 [ 46.757487] RDX: 0000000000000019 RSI: 00007fe25120d000 RDI: 0000000000000001 [ 46.765440] RBP: 00007fe25120d000 R08: 00007fe25120c010 R09: 0000000000000000 [ 46.773395] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 46.781348] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 46.789314] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 46.805245] ---[ end trace f681458b8048e8fd ]--- [ 46.810393] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 46.814764] Code: 89 ff e8 9e 6a a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 65 92 02 [ 46.835691] RSP: 0018:ffff985c41247e60 EFLAGS: 00010282 [ 46.841514] RAX: ffffffffa06e40d0 RBX: 0000000000000001 RCX: 0000000000000000 [ 46.849463] RDX: 0000000000000000 RSI: ffff8b04bbc9bf70 RDI: ffffffffa14d0fb0 [ 46.857413] RBP: ffffffffa190f118 R08: 0000000000000001 R09: 0000000000000001 [ 46.865368] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 46.873321] R13: ffff985c41247f10 R14: ffff985c41247f10 R15: ffff8b0444e4e000 [ 46.881271] FS: 00007fe251404580(0000) GS:ffff8b04bbc80000(0000) knlGS:0000000000000000 [ 46.890288] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.896690] CR2: ffff985c416c3fff CR3: 0000000104cf6000 CR4: 00000000003506e0 [ 46.904644] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 46.914532] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 981, name: cat [ 46.922877] INFO: lockdep is turned off. [ 46.927246] irq event stamp: 0 [ 46.930648] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 46.937636] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 46.946754] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 46.955868] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 46.962855] CPU: 1 PID: 981 Comm: cat Tainted: G D W 5.10.164-cip24 #1 [ 46.971385] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 46.977980] Call Trace: [ 46.980713] dump_stack+0x77/0x9b [ 46.984413] ___might_sleep.cold+0xa6/0xb6 [ 46.988981] exit_signals+0x1c/0x2e0 [ 46.992969] do_exit+0xc2/0xaf0 [ 46.996470] ? ksys_write+0x68/0xf0 [ 47.000363] rewind_stack_do_exit+0x17/0x20 [ 47.005026] RIP: 0033:0x7fe25131a833 [ 47.009009] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 47.029929] RSP: 002b:00007ffc44a903b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 47.038375] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fe25131a833 [ 47.046329] RDX: 0000000000000019 RSI: 00007fe25120d000 RDI: 0000000000000001 [ 47.054282] RBP: 00007fe25120d000 R08: 00007fe25120c010 R09: 0000000000000000 [ 47.062232] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 47.070182] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # Segmentation fault # [ 46.539352] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 46.546386] lkdtm: attempting bad read from page below current stack # [ 46.553523] BUG: stack guard page was hit at 00000000b76a3722 (stack is 0000000057b8ecfa..0000000010e2d6cb) # [ 46.564392] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 46.571188] CPU: 1 PID: 981 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 46.579722] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 46.586329] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 46.592833] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 28 43 8b a1 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 28 9d fd ff 48 c7 c7 68 43 8b a1 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 0e 9d fd ff 0f 1f 44 # [ 46.613754] RSP: 0018:ffff985c416c7e50 EFLAGS: 00010246 # [ 46.619580] RAX: 0000000000000038 RBX: ffff985c416c4000 RCX: 0000000000000000 # [ 46.627532] RDX: 0000000000000000 RSI: ffff8b04bbc9bf70 RDI: ffffffffa18b4368 # [ 46.635486] RBP: ffffffffa18b3a92 R08: 0000000000000000 R09: 0000000000000000 # [ 46.643436] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 46.651390] R13: ffff985c416c7f10 R14: ffff985c416c7f10 R15: ffff8b0444df9000 # [ 46.659348] FS: 00007fe251404580(0000) GS:ffff8b04bbc80000(0000) knlGS:0000000000000000 # [ 46.668367] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.674772] CR2: ffff985c416c3fff CR3: 0000000104cf6000 CR4: 00000000003506e0 # [ 46.682723] Call Trace: # [ 46.685454] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 # [ 46.690507] direct_entry.cold+0x2c/0x38 # [ 46.694882] full_proxy_write+0x56/0x80 # [ 46.699161] vfs_write+0xea/0x3a0 # [ 46.702856] ksys_write+0x68/0xf0 # [ 46.706557] do_syscall_64+0x33/0x40 # [ 46.710546] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 46.716179] RIP: 0033:0x7fe25131a833 # [ 46.720167] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 46.741092] RSP: 002b:00007ffc44a903b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 46.749534] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fe25131a833 # [ 46.757487] RDX: 0000000000000019 RSI: 00007fe25120d000 RDI: 0000000000000001 # [ 46.765440] RBP: 00007fe25120d000 R08: 00007fe25120c010 R09: 0000000000000000 # [ 46.773395] R10: fffffffffffffbc5 R11: 000[ 47.363052] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING 0000000000246 R12: 0000000000000001 # [ 46.781348] R13: 00000[ 47.372439] lkdtm: attempting bad read from page above current stack 00000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 4[ 47.385713] BUG: stack guard page was hit at 000000008889a388 (stack is 0000000057b8ecfa..0000000010e2d6cb) [ 47.402731] kernel stack overflow (page fault): 0000 [#4] SMP PTI [ 47.409529] CPU: 3 PID: 1014 Comm: cat Tainted: G D W 5.10.164-cip24 #1 [ 47.418163] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 47.424771] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d [ 47.431374] Code: 9d fd ff 0f 1f 44 00 00 53 48 c7 c7 a0 43 8b a1 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 ee 9c fd ff 48 c7 c7 e0 43 8b a1 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 d1 9c fd ff [ 47.452317] RSP: 0018:ffff985c416c7e50 EFLAGS: 00010246 [ 47.458145] RAX: 0000000000000038 RBX: ffff985c416c4000 RCX: 0000000000000000 [ 47.466095] RDX: 0000000000000000 RSI: ffff8b04bbd9bf70 RDI: ffffffffa18b43e0 [ 47.474045] RBP: ffffffffa18b3aab R08: 0000000000000000 R09: 0000000000000000 [ 47.481995] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a [ 47.489945] R13: ffff985c416c7f10 R14: ffff985c416c7f10 R15: ffff8b0443c0b000 [ 47.497896] FS: 00007f56215a1580(0000) GS:ffff8b04bbd80000(0000) knlGS:0000000000000000 [ 47.506915] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.513317] CR2: ffff985c416c8000 CR3: 0000000102786000 CR4: 00000000003506e0 [ 47.521268] Call Trace: [ 47.524001] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a [ 47.529828] direct_entry.cold+0x2c/0x38 [ 47.534202] full_proxy_write+0x56/0x80 [ 47.538480] vfs_write+0xea/0x3a0 [ 47.542174] ksys_write+0x68/0xf0 [ 47.545872] do_syscall_64+0x33/0x40 [ 47.549853] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 47.555481] RIP: 0033:0x7f56214b7833 [ 47.559464] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 47.580370] RSP: 002b:00007ffe8534ff58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 47.588793] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f56214b7833 [ 47.596737] RDX: 000000000000001a RSI: 00007f56213aa000 RDI: 0000000000000001 [ 47.604680] RBP: 00007f56213aa000 R08: 00007f56213a9010 R09: 0000000000000000 [ 47.612629] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 47.620578] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 47.628537] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 47.644461] ---[ end trace f681458b8048e8fe ]--- [ 47.649607] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 47.653977] Code: 89 ff e8 9e 6a a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 65 92 02 [ 47.674892] RSP: 0018:ffff985c41247e60 EFLAGS: 00010282 [ 47.680714] RAX: ffffffffa06e40d0 RBX: 0000000000000001 RCX: 0000000000000000 [ 47.688657] RDX: 0000000000000000 RSI: ffff8b04bbc9bf70 RDI: ffffffffa14d0fb0 [ 47.696603] RBP: ffffffffa190f118 R08: 0000000000000001 R09: 0000000000000001 [ 47.704553] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 47.712499] R13: ffff985c41247f10 R14: ffff985c41247f10 R15: ffff8b0444e4e000 [ 47.720450] FS: 00007f56215a1580(0000) GS:ffff8b04bbd80000(0000) knlGS:0000000000000000 [ 47.729468] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.735871] CR2: ffff985c416c8000 CR3: 0000000102786000 CR4: 00000000003506e0 6.789314] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 46.805245] ---[ end trace f681458b8048e8fd ]--- # [ 46.810393] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 46.814764] Code: 89 ff e8 9e 6a a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 65 92 02 # [ 46.835691] RSP: 0018:ffff985c41247e60 EFLAGS: 00010282 # [ 46.841514] RAX: ffffffffa06e40d0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 46.849463] RDX: 0000000000000000 RSI: ffff8b04bbc9bf70 RDI: ffffffffa14d0fb0 # [ 46.857413] RBP: ffffffffa190f118 R08: 0000000000000001 R09: 0000000000000001 # [ 46.865368] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 46.873321] R13: ffff985c41247f10 R14: ffff985c41247f10 R15: ffff8b0444e4e000 # [ 46.881271] FS: 00007fe251404580(0000) GS:ffff8b04bbc80000(0000) knlGS:0000000000000000 # [ 46.890288] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.896690] CR2: ffff985c416c3fff CR3: 0000000104cf6000 CR4: 00000000003506e0 # [ 46.904644] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 46.914532] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 981, name: cat # [ 46.922877] INFO: lockdep is turned off. # [ 46.927246] irq event stamp: 0 # [ 46.930648] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 46.937636] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 46.946754] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 46.955868] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 46.962855] CPU: 1 PID: 981 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 46.971385] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 46.977980] Call Trace: # [ 46.980713] dump_stack+0x77/0x9b # [ 46.984413] ___might_sleep.cold+0xa6/0xb6 # [ 46.988981] exit_signals+0x1c/0x2e0 # [ 46.992969] do_exit+0xc2/0xaf0 # [ 46.996470] ? ksys_write+0x68/0xf0 # [ 47.000363] rewind_stack_do_exit+0x17/0x20 # [ 47.005026] RIP: 0033:0x7fe25131a833 # [ 47.009009] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 47.029929] RSP: 002b:00007ffc44a903b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 47.038375] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fe25131a833 # [ 47.046329] RDX: 0000000000000019 RSI: 00007fe25120d000 RDI: 0000000000000001 # [ 47.054282] RBP: 00007fe25120d000 R08: 00007fe25120c010 R09: 0000000000000000 # [ 47.062232] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 47.070182] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACK_GUARD_PAGE_LEADING: saw 'call trace:': ok ok 12 selftests: lkdtm: STACK_GUARD_PAG[ 48.044568] lkdtm: Performing direct entry UNSET_SMEP E_LEADING.sh # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh [ 48.053128] lkdtm: trying to clear SMEP normally # Segmentation fault # [ 47.363052] lkdtm: Performing direct [ 48.064507] ------------[ cut here ]------------ entry STACK_GUARD_PAGE_TRAILING # [ 47.372439] lkdtm: attempt[ 48.075853] pinned CR4 bits changed: 0x100000!? ing bad read from page above current stack # [ 47.385713] BUG[ 48.087114] WARNING: CPU: 3 PID: 1050 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 : stack guard page was hit at 000000008889a388 (stack is 0000000[ 48.103489] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 057b8ecfa..0000000010e2d6cb) # [ 47.402731] kernel stack over[ 48.125678] CPU: 3 PID: 1050 Comm: cat Tainted: G D W 5.10.164-cip24 #1 flow (page fault): 0000 [#4] SMP PTI # [ 47.409529] CPU: 3 PI[ 48.140497] Hardware name: Google Coral/Coral, BIOS 09/29/2020 D: 1014 Comm: cat Tainted: G D W 5.10.164-cip24 #1 [ 48.153274] RIP: 0010:native_write_cr4+0x45/0x60 # [ 47.418163] Hardware name: Google Coral/Coral, BIOS 09/29[ 48.164648] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 84 92 e3 01 00 75 f2 48 c7 c7 d8 28 7f a1 c6 05 74 92 e3 01 01 e8 72 3b e5 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 /2020 # [ 47.424771] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILIN[ 48.191782] RSP: 0018:ffff985c417b7e48 EFLAGS: 00010286 G+0x27/0x3d # [ 47.431374] Code: 9d fd ff 0f 1f 44 00 00 53 4[ 48.203795] RAX: 0000000000000000 RBX: 00000000002506e0 RCX: 0000000000000000 8 c7 c7 a0 43 8b a1 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8[ 48.217976] RDX: ffff8b04bbdac660 RSI: ffff8b04bbd9bf70 RDI: ffff8b04bbd9bf70 ee 9c fd ff 48 c7 c7 e0 43 8b a1 <8a> 83 00 40 00 00 88 44 24 0[ 48.232120] RBP: ffffffffa18b3ac5 R08: 0000000000000000 R09: 0000000000000000 7 0f b6 74 24 07 5a 5b e9 d1 9c fd ff # [ 47.452317] RSP: 001[ 48.246282] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b 8:ffff985c416c7e50 EFLAGS: 00010246 # [ 47.458145] RAX: 00000[ 48.260464] R13: ffff985c417b7f10 R14: ffff985c417b7f10 R15: ffff8b04457a9000 00000000038 RBX: ffff985c416c4000 RCX: 0000000000000000 # [ 4[ 48.274610] FS: 00007fc67eeb8580(0000) GS:ffff8b04bbd80000(0000) knlGS:0000000000000000 7.466095] RDX: 0000000000000000 RSI: ffff8b04bbd9bf70 RDI: fffff[ 48.289855] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 fffa18b43e0 # [ 47.474045] RBP: ffffffffa18b3aab R08: 0000000[ 48.302446] CR2: 00007fc67ecc1000 CR3: 00000001054b4000 CR4: 00000000003506e0 000000000 R09: 0000000000000000 # [ 47.481995] R10: 00000000f[ 48.316616] Call Trace: fffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 47.48[ 48.325621] lkdtm_UNSET_SMEP.cold+0x1d/0x103 9945] R13: ffff985c416c7f10 R14: ffff985c416c7f10 R15: ffff8b044[ 48.336927] direct_entry.cold+0x2c/0x38 3c0b000 # [ 47.497896] FS: 00007f56215a1580(0000) GS:ffff8b0[ 48.347241] full_proxy_write+0x56/0x80 4bbd80000(0000) knlGS:0000000000000000 # [ 47.506915] CS: 00[ 48.357907] vfs_write+0xea/0x3a0 10 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.513317] CR2[ 48.367769] ksys_write+0x68/0xf0 : ffff985c416c8000 CR3: 0000000102786000 CR4: 00000000003506e0 [ 48.377628] do_syscall_64+0x33/0x40 # [ 47.521268] Call Trace: # [ 47.524001] ? lkdtm_STACK_GU[ 48.387688] entry_SYSCALL_64_after_hwframe+0x61/0xc6 ARD_PAGE_LEADING+0x3a/0x3a # [ 47.529828] direct_entry.cold+[ 48.399642] RIP: 0033:0x7fc67edce833 0x2c/0x38 # [ 47.534202] full_proxy_write+0x56/0x80 # [ 4[ 48.409878] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 7.538480] vfs_write+0xea/0x3a0 # [ 47.542174] ksys_write+0x[ 48.436975] RSP: 002b:00007ffefc4ee618 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 68/0xf0 # [ 47.545872] do_syscall_64+0x33/0x40 # [ 47.549[ 48.451577] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fc67edce833 853] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 47.555481][ 48.465750] RDX: 000000000000000b RSI: 00007fc67ecc1000 RDI: 0000000000000001 RIP: 0033:0x7f56214b7833 # [ 47.559464] Code: 8b 15 61 26 0e[ 48.479904] RBP: 00007fc67ecc1000 R08: 00007fc67ecc0010 R09: 0000000000000000 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 [ 48.494065] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff[ 48.508249] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 47.58[ 48.522397] irq event stamp: 0 0370] RSP: 002b:00007ffe8534ff58 EFLAGS: 00000246 ORIG_RAX: 0000[ 48.532003] hardirqs last enabled at (0): [<0000000000000000>] 0x0 000000000001 # [ 47.588793] RAX: ffffffffffffffda RBX: 000000[ 48.545215] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 000000001a RCX: 00007f56214b7833 # [ 47.596737] RDX: 00000000[ 48.560551] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 0000001a RSI: 00007f56213aa000 RDI: 0000000000000001 # [ 47.6[ 48.575899] softirqs last disabled at (0): [<0000000000000000>] 0x0 04680] RBP: 00007f56213aa000 R08: 00007f56213a9010 R09: 00000000[ 48.589058] ---[ end trace f681458b8048e8ff ]--- 00000000 # [ 47.612629] R10: fffffffffffffbc5 R11: 0000000000[ 48.600363] lkdtm: ok: SMEP did not get cleared 000246 R12: 0000000000000001 # [ 47.620578] R13: 000000000000[ 48.611488] lkdtm: trying to clear SMEP with call gadget 0001 R14: 0000000000020000 R15: 0000000000020000 # [ 47.62853[ 48.623579] lkdtm: ok: SMEP removal was reverted 7] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 47.644461] ---[ end trace f681458b8048e8fe ]--- # [ 47.649607] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 47.653977] Code: 89 ff e8 9e 6a a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 65 92 02 # [ 47.674892] RSP: 0018:ffff985c41247e60 EFLAGS: 00010282 # [ 47.680714] RAX: ffffffffa06e40d0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 47.688657] RDX: 0000000000000000 RSI: ffff8b04bbc9bf70 RDI: ffffffffa14d0fb0 # [ 47.696603] RBP: ffffffffa190f118 R08: 0000000000000001 R09: 0000000000000001 # [ 47.704553] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 47.712499] R13: ffff985c41247f10 R14: ffff985c41247f10 R15: ffff8b0444e4e000 # [ 47.720450] FS: 00007f56215a1580(0000) GS:ffff8b04bbd80000(0000) knlGS:0000000000000000 # [ 47.729468] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.735871] CR2: ffff985c416c8000 CR3: 0000000102786000 CR4: 00000000003506e0 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 48.044568] lkdtm: Performing direct entry UNSET_SMEP # [ 48.053128] lkdtm: trying to clear SMEP normally # [ 48.064507] ------------[ cut here ]------------ # [ 48.075853] pinned CR4 bits changed: 0x100000!? # [ 48.087114] WARNING: CPU: 3 PID: 1050 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 # [ 48.103489] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 48.125678] CPU: 3 PID: 1050 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 48.140497] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 48.153274] RIP: 0010:native_write_cr4+0x45/0x60 # [ 48.164648] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 84 92 e3 01 00 75 f2 48 c7 c7 d8 28 7f a1 c6 05 74 92 e3 01 01 e8 72 3b e5 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ 48.191782] RSP: 0018:ffff985c417b7e48 EFLAGS: 00010286 # [ 48.203795] RAX: 0000000000000000 RBX: 00000000002506e0 RCX: 0000000000000000 # [ 48.2179[ 48.865833] lkdtm: Performing direct entry DOUBLE_FAULT [ 48.876205] lkdtm: XFAIL: this test is ia32-only 76] RDX: ffff8b04bbdac660 RSI: ffff8b04bbd9bf70 RDI: ffff8b04bbd9bf70 # [ 48.232120] RBP: ffffffffa18b3ac5 R08: 0000000000000000 R09: 0000000000000000 # [ 48.246282] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 48.260464] R13: ffff985c417b7f10 R14: ffff985c417b7f10 R15: ffff8b04457a9000 # [ 48.274610] FS: 00007fc67eeb8580(0000) GS:ffff8b04bbd80000(0000) knlGS:0000000000000000 # [ 48.289855] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.302446] CR2: 00007fc67ecc1000 CR3: 00000001054b4000 CR4: 00000000003506e0 # [ 48.316616] Call Trace: # [ 48.325621] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 48.336927] direct_entry.cold+0x2c/0x38 # [ 48.347241] full_proxy_write+0x56/0x80 # [ 48.357907] vfs_write+0xea/0x3a0 # [ 48.367769] ksys_write+0x68/0xf0 # [ 48.377628] do_syscall_64+0x33/0x40 # [ 48.387688] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 48.399642] RIP: 0033:0x7fc67edce833 # [ 48.409878] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 48.436975] RSP: 002b:00007ffefc4ee618 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.451577] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fc67edce833 # [ 48.465750] RDX: 000000000000000b RSI: 00007fc67ecc1000 RDI: 0000000000000001 # [ 48.479904] RBP: 00007fc67ecc1000 R08: 00007fc67ecc0010 R09: 0000000000000000 # [ 48.494065] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 48.508249] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.522397] irq event stamp: 0 # [ 48.532003] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.545215] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 48.560551] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 48.575899] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.589058] ---[ end trace f681458b8048e8ff ]--- # [ 48.600363] lkdtm: ok: SMEP did not get cleared # [ 48.611488] lkdtm: trying to clear SMEP with call gadget # [ 48.623579] lkdtm: ok: SMEP removal was reverted # UNSET_SMEP: saw 'pinned CR4 bits changed:': ok ok 14 selftests: lkdtm: UNSET_SMEP.sh # selftests: lkdtm: DOUBLE_FAULT.sh # [ 48.865833] lkdtm: Performing direct entry DOUBLE_FAULT # [ 48.876205] lkdtm: XFAIL: this test is ia32-only # DOUBLE_FAULT: saw 'XFAIL': [SKIP] ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP # selftests: lkdtm: CORRUPT_PAC.sh [ 49.142795] lkdtm: Performing direct entry CORRUPT_PAC [ 49.148563] lkdtm: XFAIL: this test is arm64-only # [ 49.142795] lkdtm: Performing direct entry CORRUPT_PAC # [ 49.148563] 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 [ 49.404009] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE [ 49.411224] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 49.404009] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 49.411224] 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 [ 49.939308] lkdtm: Performing direct entry READ_AFTER_FREE [ 49.945466] lkdtm: Value in memory before free: 12345678 [ 49.951469] lkdtm: Attempting bad read from freed memory [ 49.957426] lkdtm: Memory was not poisoned # [ 49.939308] lkdtm: Performing direct entry READ_AFTER_FREE # [ 49.945466] lkdtm: Value in memory before free: 12345678 # [ 49.951469] lkdtm: Attempting bad read from freed memory # [ 49.957426] 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 [ 50.349308] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE [ 50.356035] lkdtm: Value in memory before free: 12345678 [ 50.362003] lkdtm: Attempting to read from freed memory [ 50.367855] lkdtm: Buddy page was not poisoned # [ 50.349308] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 50.356035] lkdtm: Value in memory before free: 12345678 # [ 50.362003] lkdtm: Attempting to read from freed memory # [ 50.367855] 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 [ 50.620914] lkdtm: Performing direct entry SLAB_FREE_DOUBLE [ 50.627178] lkdtm: Attempting double slab free ... # [ 50.620914] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 50.627178] 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 [ 50.894050] lkdtm: Performing direct entry SLAB_FREE_CROSS [ 50.900219] lkdtm: Attempting cross-cache slab free ... # [ 50.894050] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 50.900219] 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 [ 51.161289] lkdtm: Performing direct entry SLAB_FREE_PAGE [ 51.167338] lkdtm: Attempting non-Slab slab free ... # [ 51.161289] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 51.167338] 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 [ 51.955638] lkdtm: Performing direct entry EXEC_DATA [ 51.961225] lkdtm: attempting ok execution at ffffffffa06e44a0 [ 51.967763] lkdtm: attempting bad execution at ffffffffa300a6a0 [ 51.974411] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 51.982754] BUG: unable to handle page fault for address: ffffffffa300a6a0 [ 51.990414] #PF: supervisor instruction fetch in kernel mode [ 51.996716] #PF: error_code(0x0011) - permissions violation [ 52.002923] PGD 129e29067 P4D 129e29067 PUD 129e2a063 PMD 800000012b4000e3 [ 52.010691] Oops: 0011 [#5] SMP PTI [ 52.014576] CPU: 1 PID: 1557 Comm: cat Tainted: G D W 5.10.164-cip24 #1 [ 52.023189] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 52.029791] RIP: 0010:data_area+0x0/0x40 [ 52.034161] Code: ff ff 00 f7 7f 42 04 8b ff ff 00 f6 7f 42 04 8b ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 52.055065] RSP: 0018:ffff985c41f07e48 EFLAGS: 00010246 [ 52.060885] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 52.068830] RDX: 0000000000000000 RSI: ffff8b04bbc9bf70 RDI: ffff8b04bbc9bf70 [ 52.076775] RBP: ffffffffa300a6a0 R08: 0000000000000000 R09: 0000000000000000 [ 52.084718] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 52.092660] R13: ffff985c41f07f10 R14: ffff985c41f07f10 R15: ffff8b0444094000 [ 52.100605] FS: 00007febe17b1580(0000) GS:ffff8b04bbc80000(0000) knlGS:0000000000000000 [ 52.109615] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.116016] CR2: ffffffffa300a6a0 CR3: 00000001041ec000 CR4: 00000000003506e0 [ 52.123963] Call Trace: [ 52.126699] ? execute_location+0x48/0x56 [ 52.131169] ? direct_entry.cold+0x2c/0x38 [ 52.135734] ? full_proxy_write+0x56/0x80 [ 52.140204] ? vfs_write+0xea/0x3a0 [ 52.144089] ? ksys_write+0x68/0xf0 [ 52.147968] ? do_syscall_64+0x33/0x40 [ 52.152140] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 52.157967] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 52.173884] CR2: ffffffffa300a6a0 [ 52.177577] ---[ end trace f681458b8048e900 ]--- [ 52.182724] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 52.187091] Code: 89 ff e8 9e 6a a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 65 92 02 [ 52.208002] RSP: 0018:ffff985c41247e60 EFLAGS: 00010282 [ 52.213811] RAX: ffffffffa06e40d0 RBX: 0000000000000001 RCX: 0000000000000000 [ 52.221758] RDX: 0000000000000000 RSI: ffff8b04bbc9bf70 RDI: ffffffffa14d0fb0 [ 52.229700] RBP: ffffffffa190f118 R08: 0000000000000001 R09: 0000000000000001 [ 52.237645] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 52.245590] R13: ffff985c41247f10 R14: ffff985c41247f10 R15: ffff8b0444e4e000 [ 52.253537] FS: 00007febe17b1580(0000) GS:ffff8b04bbc80000(0000) knlGS:0000000000000000 [ 52.262548] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.268948] CR2: ffffffffa300a6a0 CR3: 00000001041ec000 CR4: 00000000003506e0 [ 52.276896] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 52.286779] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1557, name: cat [ 52.295208] INFO: lockdep is turned off. [ 52.299571] irq event stamp: 0 [ 52.302972] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 52.309944] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 52.319051] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 52.328158] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 52.335135] CPU: 1 PID: 1557 Comm: cat Tainted: G D W 5.10.164-cip24 #1 [ 52.343758] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 52.350347] Call Trace: [ 52.353077] dump_stack+0x77/0x9b [ 52.356775] ___might_sleep.cold+0xa6/0xb6 [ 52.361341] exit_signals+0x1c/0x2e0 [ 52.365323] do_exit+0xc2/0xaf0 [ 52.368814] ? ksys_write+0x68/0xf0 [ 52.372702] rewind_stack_do_exit+0x17/0x20 [ 52.377360] RIP: 0033:0x7febe16c7833 [ 52.381343] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 52.402252] RSP: 002b:00007fff92d4bd88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.410685] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007febe16c7833 [ 52.418628] RDX: 000000000000000a RSI: 00007febe15ba000 RDI: 0000000000000001 [ 52.426575] RBP: 00007febe15ba000 R08: 00007febe15b9010 R09: 0000000000000000 [ 52.434520] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 52.442465] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # Killed # [ 51.955638] lkdtm: Performing direct entry EXEC_DATA # [ 51.961225] lkdtm: attempting ok execution at ffffffffa06e44a0 # [ 51.967763] lkdtm: attempting bad execution at ffffffffa300a6a0 # [ 51.974411] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 51.982754] BUG: unable to handle page fault for address: ffffffffa300a6a0 # [ 51.990414] #PF: supervisor instruction fetch in kernel mode # [ 51.996716] #PF: error_code(0x0011) - permissions violation # [ 52.002923] PGD 129e29067 P4D 129e29067 PUD 129e2a063 PMD 800000012b4000e3 # [ 52.010691] Oops: 0011 [#5] SMP PTI # [ 52.014576] CPU: 1 PID: 1557 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 52.023189] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 52.029791] RIP: 0010:data_area+0x0/0x40 # [ 52.034161] Code: ff ff 00 f7 7f 42 04 8b ff ff 00 f6 7f 42 04 8b ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 52.055065] RSP: 0018:ffff985c41f07e48 EFLAGS: 00010246 # [ 52.060885] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 52.068830] RDX: 0000000000000000 RSI: ffff8b04bbc9bf70 RDI: ffff8b04bbc9bf70 # [ 52.076775] RBP: ffffffffa300a6a0 R08: 0000000000000000 R09: 0000000000000000 # [ 52.084718] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 52.092660] R13: ffff985c41f07f10 R14: ffff985c41f07f10 R15: ffff8b0444094000 # [ 52.100605] FS: 00007febe17b1580(0000) GS:ffff8b04bbc80000(0000) knlGS:0000000000000000 # [ 52.109615] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.116016] CR2: ffffffffa300a6a0 CR3: 00000001041ec000 CR4: 00000000003506e0 # [ 52.123963] Call Trace: # [ 52.126699] ? execute_location+0x48/0x56 # [ 52.131169] ? direct_entry.cold+0x2c/0x38 # [ 52.135734] ? full_proxy_write+0x56/0x80 # [ 52.140204] ? vfs_write+0xea/0x3a0 # [ 52.144089] ? ksys_write+0x68/0xf0 # [ 52.147968] ? do_syscall_64+0x33/0x40 # [ 52.152140] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 52.157967] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 52.173884] CR2: ffffffffa300a6a0 # [ 52.177577] ---[ end trace f681458b8048e900 ]--- # [ 52.182724] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 52.187091] Code: 89 ff e8 9e 6a a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 65 92 02 # [ 52.208002] RSP: 0018:ffff985c41247e60 EFLAGS: 00010282 # [ 52.213811] RAX: ffffffffa06e40d0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 52.221758] RDX: 0000000000000000 RSI: ffff8b04bbc9bf70 RDI: ffffffffa14d0fb0 # [ 52.229700] RBP: ffffffffa190f118 R08: 0000000000000001 R09: 0000000000000001 # [ 52.237645] R10: 00000000ffffe000 R11: 3fffff[ 52.793559] lkdtm: Performing direct entry EXEC_STACK ffffffffff R12: 0000000000000004 # [ 52.245590] R13: ffff985c[ 52.801371] lkdtm: attempting ok execution at ffffffffa06e44a0 41247f10 R14: ffff985c41247f10 R15: ffff8b0444e4e000 # [ 52.2[ 52.814026] lkdtm: attempting bad execution at ffff985c41fb7e18 53537] FS: 00007febe17b1580(0000) GS:ffff8b04bbc80000(0000) knl[ 52.826847] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 52.841323] BUG: unable to handle page fault for address: ffff985c41fb7e18 [ 52.848980] #PF: supervisor instruction fetch in kernel mode [ 52.855281] #PF: error_code(0x0011) - permissions violation [ 52.861485] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 1057af067 PTE 80000001029f4063 [ 52.870517] Oops: 0011 [#6] SMP PTI [ 52.874404] CPU: 3 PID: 1593 Comm: cat Tainted: G D W 5.10.164-cip24 #1 [ 52.883020] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 52.889613] RIP: 0010:0xffff985c41fb7e18 [ 52.893974] Code: 00 00 18 7e fb 41 5c 98 ff ff 16 49 d4 a0 ff ff ff ff 20 00 00 00 00 00 00 00 ee 3b 8b a1 ff ff ff ff 42 4a d4 a0 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 [ 52.914886] RSP: 0018:ffff985c41fb7df8 EFLAGS: 00010246 [ 52.920706] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 52.928653] RDX: 0000000000000000 RSI: ffff8b04bbd9bf70 RDI: ffff8b04bbd9bf70 [ 52.936602] RBP: ffff985c41fb7e18 R08: 0000000000000000 R09: 0000000000000000 [ 52.944549] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 52.952494] R13: ffff985c41fb7f10 R14: ffff985c41fb7f10 R15: ffff8b0445c0f000 [ 52.960441] FS: 00007fea206ff580(0000) GS:ffff8b04bbd80000(0000) knlGS:0000000000000000 [ 52.969449] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.975846] CR2: ffff985c41fb7e18 CR3: 0000000103cce000 CR4: 00000000003506e0 [ 52.983792] Call Trace: [ 52.986528] ? execute_location+0x48/0x56 [ 52.990998] ? lkdtm_EXEC_STACK+0x26/0x44 [ 52.995468] ? direct_entry.cold+0x2c/0x38 [ 53.000033] ? full_proxy_write+0x56/0x80 [ 53.004502] ? vfs_write+0xea/0x3a0 [ 53.008391] ? ksys_write+0x68/0xf0 [ 53.012279] ? do_syscall_64+0x33/0x40 [ 53.016454] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 53.022281] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 53.038198] CR2: ffff985c41fb7e18 [ 53.041891] ---[ end trace f681458b8048e901 ]--- [ 53.047032] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 53.051400] Code: 89 ff e8 9e 6a a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 65 92 02 [ 53.072314] RSP: 0018:ffff985c41247e60 EFLAGS: 00010282 [ 53.078134] RAX: ffffffffa06e40d0 RBX: 0000000000000001 RCX: 0000000000000000 [ 53.086081] RDX: 0000000000000000 RSI: ffff8b04bbc9bf70 RDI: ffffffffa14d0fb0 [ 53.094027] RBP: ffffffffa190f118 R08: 0000000000000001 R09: 0000000000000001 [ 53.101974] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 53.109921] R13: ffff985c41247f10 R14: ffff985c41247f10 R15: ffff8b0444e4e000 [ 53.117868] FS: 00007fea206ff580(0000) GS:ffff8b04bbd80000(0000) knlGS:0000000000000000 [ 53.126877] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.133270] CR2: ffff985c41fb7e18 CR3: 0000000103cce000 CR4: 00000000003506e0 GS:0000000000000000 # [ 52.262548] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.268948] CR2: ffffffffa300a6a0 CR3: 00000001041ec000 CR4: 00000000003506e0 # [ 52.276896] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 52.286779] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1557, name: cat # [ 52.295208] INFO: lockdep is turned off. # [ 52.299571] irq event stamp: 0 # [ 52.302972] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 52.309944] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 52.319051] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 52.328158] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 52.335135] CPU: 1 PID: 1557 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 52.343758] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 52.350347] Call Trace: # [ 52.353077] dump_stack+0x77/0x9b # [ 52.356775] ___might_sleep.cold+0xa6/0xb6 # [ 52.361341] exit_signals+0x1c/0x2e0 # [ 52.365323] do_exit+0xc2/0xaf0 # [ 52.368814] ? ksys_write+0x68/0xf0 # [ 52.372702] rewind_stack_do_exit+0x17/0x20 # [ 52.377360] RIP: 0033:0x7febe16c7833 # [ 52.381343] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 52.402252] RSP: 002b:00007fff92d4bd88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.410685] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007febe16c7833 # [ 52.418628] RDX: 000000000000000a RSI: 00007febe15ba000 RDI: 0000000000000001 # [ 52.426575] RBP: 00007febe15ba000 R08: 00007febe15b9010 R09: 0000000000000000 # [ 52.434520] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 52.442465] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_DATA: saw 'call trace:': ok ok 30 selftests: lkdtm: EXEC_DATA.sh # selftests: lkdtm: EXEC_STACK.sh # Killed # [ 52.793559] lkdtm: Performing direct entry EXEC_STACK # [ 52.801371] lkdtm: attempting ok execution at ffffffffa06e44a0 # [ 52.814026] lkdtm: attempting bad execution at ffff985c41fb7e18 # [ 52.826847] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 52.841323] BUG: unable to handle page fault for address: ffff985c41fb7e18 # [ 52.848980] #PF: supervisor instruction fetch in kernel mode # [ 52.855281] #PF: error_code(0x0011) - permissions violation # [ 52.861485] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 1057af067 PTE 80000001029f4063 # [ 52.870517] Oops: 0011 [#6] SMP PTI # [ 52.874404] CPU: 3 PID: 1593 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 52.883020] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 52.889613] RIP: 0010:0xffff985c41fb7e18 # [ 52.893974] Code: 00 00 1[ 53.429230] lkdtm: Performing direct entry EXEC_KMALLOC [ 53.438248] lkdtm: attempting ok execution at ffffffffa06e44a0 [ 53.444788] lkdtm: attempting bad execution at ffff8b0442727100 [ 53.451419] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 53.459749] BUG: unable to handle page fault for address: ffff8b0442727100 8 7e fb 41 5c 98 ff ff 16 49 d4 a0 ff ff ff ff 20 00 00 00 00 00[ 53.467405] #PF: supervisor instruction fetch in kernel mode [ 53.479886] #PF: error_code(0x0011) - permissions violation [ 53.486092] PGD 12b601067 P4D 12b601067 PUD 100214063 PMD 104d71063 PTE 8000000102727063 [ 53.495118] Oops: 0011 [#7] SMP PTI [ 53.499005] CPU: 1 PID: 1629 Comm: cat Tainted: G D W 5.10.164-cip24 #1 [ 53.507618] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 53.514214] RIP: 0010:0xffff8b0442727100 [ 53.518585] Code: 35 65 38 33 38 39 31 30 31 65 00 70 72 42 04 8b 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 [ 53.539491] RSP: 0018:ffff985c42057e38 EFLAGS: 00010246 [ 53.545311] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 53.553261] RDX: 0000000000000000 RSI: ffff8b04bbc9bf70 RDI: ffff8b04bbc9bf70 [ 53.561211] RBP: ffff8b0442727100 R08: 0000000000000000 R09: 0000000000000000 [ 53.569160] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 53.577109] R13: ffff985c42057f10 R14: ffff985c42057f10 R15: ffff8b0444cf4000 [ 53.585058] FS: 00007f09a6768580(0000) GS:ffff8b04bbc80000(0000) knlGS:0000000000000000 [ 53.594069] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.600465] CR2: ffff8b0442727100 CR3: 00000001057b0000 CR4: 00000000003506e0 [ 53.608409] Call Trace: [ 53.611146] ? execute_location+0x48/0x56 [ 53.615618] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 [ 53.620277] ? direct_entry.cold+0x2c/0x38 [ 53.624845] ? full_proxy_write+0x56/0x80 [ 53.629317] ? vfs_write+0xea/0x3a0 [ 53.633201] ? ksys_write+0x68/0xf0 [ 53.637089] ? do_syscall_64+0x33/0x40 [ 53.641263] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 53.647092] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 53.663009] CR2: ffff8b0442727100 [ 53.666705] ---[ end trace f681458b8048e902 ]--- [ 53.671851] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 53.676222] Code: 89 ff e8 9e 6a a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 65 92 02 [ 53.697135] RSP: 0018:ffff985c41247e60 EFLAGS: 00010282 [ 53.702949] RAX: ffffffffa06e40d0 RBX: 0000000000000001 RCX: 0000000000000000 [ 53.710896] RDX: 0000000000000000 RSI: ffff8b04bbc9bf70 RDI: ffffffffa14d0fb0 [ 53.718840] RBP: ffffffffa190f118 R08: 0000000000000001 R09: 0000000000000001 [ 53.726790] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 53.734737] R13: ffff985c41247f10 R14: ffff985c41247f10 R15: ffff8b0444e4e000 [ 53.742685] FS: 00007f09a6768580(0000) GS:ffff8b04bbc80000(0000) knlGS:0000000000000000 [ 53.751695] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.758095] CR2: ffff8b0442727100 CR3: 00000001057b0000 CR4: 00000000003506e0 [ 53.766045] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 53.775931] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1629, name: cat [ 53.784366] INFO: lockdep is turned off. [ 53.788732] irq event stamp: 0 [ 53.792134] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 53.799121] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 53.808233] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 53.817341] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 53.824324] CPU: 1 PID: 1629 Comm: cat Tainted: G D W 5.10.164-cip24 #1 [ 53.832948] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 53.839544] Call Trace: [ 53.842273] dump_stack+0x77/0x9b [ 53.845971] ___might_sleep.cold+0xa6/0xb6 [ 53.850541] exit_signals+0x1c/0x2e0 [ 53.854524] do_exit+0xc2/0xaf0 [ 53.858023] ? ksys_write+0x68/0xf0 [ 53.861912] rewind_stack_do_exit+0x17/0x20 [ 53.866572] RIP: 0033:0x7f09a667e833 [ 53.870552] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 53.891463] RSP: 002b:00007ffe11f7b7b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 53.899889] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f09a667e833 [ 53.907835] RDX: 000000000000000d RSI: 00007f09a6571000 RDI: 0000000000000001 [ 53.915787] RBP: 00007f09a6571000 R08: 00007f09a6570010 R09: 0000000000000000 [ 53.923733] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 53.931680] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00 00 ee 3b 8b a1 ff ff ff ff 42 4a d4 a0 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 # [ 52.914886] RSP: 0018:ffff985c41fb7df8 EFLAGS: 00010246 # [ 52.920706] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 52.928653] RDX: 0000000000000000 RSI: ffff8b04bbd9bf70 RDI: ffff8b04bbd9bf70 # [ 52.936602] RBP: ffff985c41fb7e18 R08: 0000000000000000 R09: 0000000000000000 # [ 52.944549] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 52.952494] R13: ffff985c41fb7f10 R14: ffff985c41fb7f10 R15: ffff8b0445c0f000 # [ 52.960441] FS: 00007fea206ff580(0000) GS:ffff8b04bbd80000(0000) knlGS:0000000000000000 # [ 52.969449] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.975846] CR2: ffff985c41fb7e18 CR3: 0000000103cce000 CR4: 00000000003506e0 # [ 52.983792] Call Trace: # [ 52.986528] ? execute_location+0x48/0x56 # [ 52.990998] ? lkdtm_EXEC_STACK+0x26/0x44 # [ 52.995468] ? direct_entry.cold+0x2c/0x38 # [ 53.000033] ? full_proxy_write+0x56/0x80 # [ 53.004502] ? vfs_write+0xea/0x3a0 # [ 53.008391] ? ksys_write+0x68/0xf0 # [ 53.012279] ? do_syscall_64+0x33/0x40 # [ 53.016454] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 53.022281] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 53.038198] CR2: ffff985c41fb7e18 # [ 53.041891] ---[ end trace f681458b8048e901 ]--- # [ 53.047032] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 53.051400] Code: 89 ff e8 9e 6a a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 65 92 02 # [ 53.072314] RSP: 0018:ffff985c41247e60 EFLAGS: 00010282 # [ 53.078134] RAX: ffffffffa06e40d0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 53.086081] RDX: 0000000000000000 RSI: ffff8b04bbc9bf70 RDI: ffffffffa14d0fb0 # [ 53.094027] RBP: ffffffffa190f118 R08: 0000000000000001 R09: 0000000000000001 # [ 53.101974] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 53.109921] R13: ffff985c41247f10 R14: ffff985c41247f10 R15: ffff8b0444e4e000 # [ 53.117868] FS: 00007fea206ff580(0000) GS:ffff8b04bbd80000(0000) knlGS:0000000000000000 # [ 53.126877] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.133270] CR2: ffff985c41fb7e18 CR3: 0000000103cce000 CR4: 00000000003506e0 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 53.429230] lkdtm: Performing direct entry EXEC_KMALLOC # [ 53.438248] lkdtm: attempting ok execution at ffffffffa06e44a0 # [ 53.444788] lkdtm: attempting bad execution at ffff8b0442727100 # [ 53.451419] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 53.459749] BUG: unable to handle page fault for address: ffff8b0442727100 # [ 53.467405] #PF: supervisor instruction fetch in ker[ 54.233019] lkdtm: Performing direct entry EXEC_VMALLOC [ 54.242843] lkdtm: attempting ok execution at ffffffffa06e44a0 nel mode # [ 53.479886] #PF: error_code(0x0011) - permissions[ 54.249370] lkdtm: attempting bad execution at ffff985c4023f000 violation # [ 53.486092] PGD 12b601067 P4D 12b601067 PUD 100[ 54.262177] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 54.276676] BUG: unable to handle page fault for address: ffff985c4023f000 [ 54.284335] #PF: supervisor instruction fetch in kernel mode [ 54.290641] #PF: error_code(0x0011) - permissions violation 214063 PMD 104d71063 PTE 8000000102727063 # [ 53.495118] Oops[ 54.296848] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 1009f2067 PTE 8000000105423063 [ 54.312067] Oops: 0011 [#8] SMP PTI : 0011 [#7] SMP PTI # [ 53.499005] CPU: 1 PID: 1629 Comm: cat[ 54.315956] CPU: 1 PID: 1665 Comm: cat Tainted: G D W 5.10.164-cip24 #1 [ 54.330753] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 54.337348] RIP: 0010:0xffff985c4023f000 [ 54.341720] Code: Unable to access opcode bytes at RIP 0xffff985c4023efd6. [ 54.349376] RSP: 0018:ffff985c42107e38 EFLAGS: 00010246 [ 54.355194] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.363143] RDX: 0000000000000000 RSI: ffff8b04bbc9bf70 RDI: ffff8b04bbc9bf70 [ 54.371086] RBP: ffff985c4023f000 R08: 0000000000000000 R09: 0000000000000000 [ 54.379033] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 54.386982] R13: ffff985c42107f10 R14: ffff985c42107f10 R15: ffff8b0445423000 [ 54.394927] FS: 00007fd397772580(0000) GS:ffff8b04bbc80000(0000) knlGS:0000000000000000 [ 54.403937] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.410339] CR2: ffff985c4023efd6 CR3: 0000000103492000 CR4: 00000000003506e0 [ 54.418281] Call Trace: [ 54.421015] ? execute_location+0x48/0x56 [ 54.425487] ? lkdtm_EXEC_VMALLOC+0x20/0x30 [ 54.430147] ? direct_entry.cold+0x2c/0x38 [ 54.434715] ? full_proxy_write+0x56/0x80 [ 54.439184] ? vfs_write+0xea/0x3a0 [ 54.443067] ? ksys_write+0x68/0xf0 [ 54.446955] ? do_syscall_64+0x33/0x40 [ 54.451129] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 54.456957] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 54.472873] CR2: ffff985c4023f000 [ 54.476566] ---[ end trace f681458b8048e903 ]--- [ 54.481710] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 54.486078] Code: 89 ff e8 9e 6a a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 65 92 02 [ 54.506986] RSP: 0018:ffff985c41247e60 EFLAGS: 00010282 [ 54.512805] RAX: ffffffffa06e40d0 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.520751] RDX: 0000000000000000 RSI: ffff8b04bbc9bf70 RDI: ffffffffa14d0fb0 [ 54.528692] RBP: ffffffffa190f118 R08: 0000000000000001 R09: 0000000000000001 [ 54.536635] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 54.544579] R13: ffff985c41247f10 R14: ffff985c41247f10 R15: ffff8b0444e4e000 [ 54.552523] FS: 00007fd397772580(0000) GS:ffff8b04bbc80000(0000) knlGS:0000000000000000 [ 54.561537] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.567934] CR2: ffff985c4023efd6 CR3: 0000000103492000 CR4: 00000000003506e0 Tainted: G D W 5.10.164-cip24 #1 # [ 53.507618] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 53.514214] RIP: 0010:0xffff8b0442727100 # [ 53.518585] Code: 35 65 38 33 38 39 31 30 31 65 00 70 72 42 04 8b 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 # [ 53.539491] RSP: 0018:ffff985c42057e38 EFLAGS: 00010246 # [ 53.545311] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 53.553261] RDX: 0000000000000000 RSI: ffff8b04bbc9bf70 RDI: ffff8b04bbc9bf70 # [ 53.561211] RBP: ffff8b0442727100 R08: 0000000000000000 R09: 0000000000000000 # [ 53.569160] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 53.577109] R13: ffff985c42057f10 R14: ffff985c42057f10 R15: ffff8b0444cf4000 # [ 53.585058] FS: 00007f09a6768580(0000) GS:ffff8b04bbc80000(0000) knlGS:0000000000000000 # [ 53.594069] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.600465] CR2: ffff8b0442727100 CR3: 00000001057b0000 CR4: 00000000003506e0 # [ 53.608409] Call Trace: # [ 53.611146] ? execute_location+0x48/0x56 # [ 53.615618] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 53.620277] ? direct_entry.cold+0x2c/0x38 # [ 53.624845] ? full_proxy_write+0x56/0x80 # [ 53.629317] ? vfs_write+0xea/0x3a0 # [ 53.633201] ? ksys_write+0x68/0xf0 # [ 53.637089] ? do_syscall_64+0x33/0x40 # [ 53.641263] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 53.647092] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 53.663009] CR2: ffff8b0442727100 # [ 53.666705] ---[ end trace f681458b8048e902 ]--- # [ 53.671851] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 53.676222] Code: 89 ff e8 9e 6a a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 65 92 02 # [ 53.697135] RSP: 0018:ffff985c41247e60 EFLAGS: 00010282 # [ 53.702949] RAX: ffffffffa06e40d0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 53.710896] RDX: 0000000000000000 RSI: ffff8b04bbc9bf70 RDI: ffffffffa14d0fb0 # [ 53.718840] RBP: ffffffffa190f118 R08: 0000000000000001 R09: 0000000000000001 # [ 53.726790] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 53.734737] R13: ffff985c41247f10 R14: ffff985c41247f10 R15: ffff8b0444e4e000 # [ 53.742685] FS: 00007f09a6768580(0000) GS:ffff8b04bbc80000(0000) knlGS:0000000000000000 # [ 53.751695] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.758095] CR2: ffff8b0442727100 CR3: 00000001057b0000 CR4: 00000000003506e0 # [ 53.766045] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 53.775931] in_atomic(): 0, irqs_disabled(): 1, non_[ 54.858156] lkdtm: Performing direct entry EXEC_RODATA [ 54.866617] lkdtm: attempting ok execution at ffffffffa06e44a0 block: 0, pid: 1629, name: cat # [ 53.784366] INFO: lockdep i[ 54.873197] lkdtm: attempting bad execution at ffffffffa14d1440 [ 54.886013] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 54.894347] BUG: unable to handle page fault for address: ffffffffa14d1440 [ 54.902002] #PF: supervisor instruction fetch in kernel mode [ 54.908300] #PF: error_code(0x0011) - permissions violation [ 54.914507] PGD 129e29067 P4D 129e29067 PUD 129e2a063 PMD 80000001298001e1 [ 54.922272] Oops: 0011 [#9] SMP PTI [ 54.926156] CPU: 1 PID: 1701 Comm: cat Tainted: G D W 5.10.164-cip24 #1 [ 54.934774] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 54.941378] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 [ 54.947102] Code: ff ff b2 5e d4 a0 ff ff ff ff 3a 3e 8b a1 ff ff ff ff f8 45 d4 a0 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 [ 54.968011] RSP: 0018:ffff985c42187e48 EFLAGS: 00010246 [ 54.973821] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 54.981767] RDX: 0000000000000000 RSI: ffff8b04bbc9bf70 RDI: ffff8b04bbc9bf70 [ 54.989712] RBP: ffffffffa14d1440 R08: 0000000000000000 R09: 0000000000000000 [ 54.997657] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 55.005602] R13: ffff985c42187f10 R14: ffff985c42187f10 R15: ffff8b0442f89000 [ 55.013550] FS: 00007f9e63e92580(0000) GS:ffff8b04bbc80000(0000) knlGS:0000000000000000 [ 55.022559] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.028956] CR2: ffffffffa14d1440 CR3: 0000000103cce000 CR4: 00000000003506e0 [ 55.036902] Call Trace: [ 55.039635] ? execute_location+0x48/0x56 [ 55.044107] ? direct_entry.cold+0x2c/0x38 [ 55.048674] ? full_proxy_write+0x56/0x80 [ 55.053142] ? vfs_write+0xea/0x3a0 [ 55.057027] ? ksys_write+0x68/0xf0 [ 55.060914] ? do_syscall_64+0x33/0x40 [ 55.065089] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 55.070916] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 55.086830] CR2: ffffffffa14d1440 [ 55.090521] ---[ end trace f681458b8048e904 ]--- [ 55.095665] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 55.100031] Code: 89 ff e8 9e 6a a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 65 92 02 [ 55.120947] RSP: 0018:ffff985c41247e60 EFLAGS: 00010282 [ 55.126766] RAX: ffffffffa06e40d0 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.134715] RDX: 0000000000000000 RSI: ffff8b04bbc9bf70 RDI: ffffffffa14d0fb0 [ 55.142667] RBP: ffffffffa190f118 R08: 0000000000000001 R09: 0000000000000001 [ 55.150621] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 55.158571] R13: ffff985c41247f10 R14: ffff985c41247f10 R15: ffff8b0444e4e000 [ 55.166521] FS: 00007f9e63e92580(0000) GS:ffff8b04bbc80000(0000) knlGS:0000000000000000 [ 55.175539] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.181941] CR2: ffffffffa14d1440 CR3: 0000000103cce000 CR4: 00000000003506e0 [ 55.189890] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 55.199773] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1701, name: cat [ 55.208205] INFO: lockdep is turned off. [ 55.212570] irq event stamp: 0 [ 55.215974] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 55.222958] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 55.232072] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 55.241187] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 55.248174] CPU: 1 PID: 1701 Comm: cat Tainted: G D W 5.10.164-cip24 #1 [ 55.256790] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 55.263379] Call Trace: [ 55.266112] dump_stack+0x77/0x9b [ 55.269811] ___might_sleep.cold+0xa6/0xb6 [ 55.274381] exit_signals+0x1c/0x2e0 [ 55.278365] do_exit+0xc2/0xaf0 [ 55.281867] ? ksys_write+0x68/0xf0 [ 55.285755] rewind_stack_do_exit+0x17/0x20 [ 55.290413] RIP: 0033:0x7f9e63da8833 [ 55.294396] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 55.315297] RSP: 002b:00007ffc0a155d68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.323734] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f9e63da8833 [ 55.331682] RDX: 000000000000000c RSI: 00007f9e63c9b000 RDI: 0000000000000001 [ 55.339628] RBP: 00007f9e63c9b000 R08: 00007f9e63c9a010 R09: 0000000000000000 [ 55.347574] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 55.355518] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 s turned off. # [ 53.788732] irq event stamp: 0 # [ 53.792134] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 53.799121] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 53.808233] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 53.817341] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 53.824324] CPU: 1 PID: 1629 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 53.832948] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 53.839544] Call Trace: # [ 53.842273] dump_stack+0x77/0x9b # [ 53.845971] ___might_sleep.cold+0xa6/0xb6 # [ 53.850541] exit_signals+0x1c/0x2e0 # [ 53.854524] do_exit+0xc2/0xaf0 # [ 53.858023] ? ksys_write+0x68/0xf0 # [ 53.861912] rewind_stack_do_exit+0x17/0x20 # [ 53.866572] RIP: 0033:0x7f09a667e833 # [ 53.870552] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 53.891463] RSP: 002b:00007ffe11f7b7b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 53.899889] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f09a667e833 # [ 53.907835] RDX: 000000000000000d RSI: 00007f09a6571000 RDI: 0000000000000001 # [ 53.915787] RBP: 00007f09a6571000 R08: 00007f09a6570010 R09: 0000000000000000 # [ 53.923733] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 53.931680] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_KMALLOC: saw 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # selftests: lkdtm: EXEC_VMALLOC.sh # Killed # [ 54.233019] lkdtm: Performing direct entry EXEC_VMALLOC # [ 54.242843] lkdtm: attempting ok execution at ffffffffa06e44a0 # [ 54.249370] lkdtm: attempting bad execution at ffff985c4023f000 # [ 54.262177] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 54.276676] BUG: unable to handle page fault for address: ffff985c4023f000 # [ 54.284335] #PF: supervisor instruction fetch in kernel mode # [ 54.290641] #PF: error_code(0x0011) - permissions violation # [ 54.296848] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 1009f2067 PTE 8000000105423063 # [ 54.312067] Oops: 0011 [#8] SMP PTI # [ 54.315956] CPU: 1 PID: 1665 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 54.330753] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 54.337348] RIP: 0010:0xffff985c4023f000 # [ 54.341720] Code: Unable to access opcode bytes at RIP 0xffff985c4023efd6. # [ 54.349376] RSP: 0018:ffff985c42107e38 EFLAGS: 00010246 # [ 54.355194] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.363143] RDX: 0000000000000000 RSI: ffff8b04bbc9bf70 RDI: ffff8b04bbc9bf70 # [ 54.371086] RBP: ffff985c4023f000 R08: 0000000000000000 R09: 0000000000000000 # [ 54.379033] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 54.386982] R13: ffff985c42107f10 R14: ffff985c42107f10 R15: ffff8b0445423000 # [ 54.394927] FS: 00007fd397772580(0000) GS:ffff8b04bbc80000(0000) knlGS:0000000000000000 # [ 54.403937][ 55.677463] lkdtm: Performing direct entry EXEC_USERSPACE CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.410[ 55.685566] lkdtm: attempting ok execution at ffffffffa06e44a0 339] CR2: ffff985c4023efd6 CR3: 0000000103492000 CR4: 0000000000[ 55.698344] lkdtm: attempting bad execution at 00007ff863834000 3506e0 # [ 54.418281] Call Trace: # [ 54.421015] ? execut[ 55.711473] unable to execute userspace code (SMEP?) (uid: 0) [ 55.723612] BUG: unable to handle page fault for address: 00007ff863834000 [ 55.731268] #PF: supervisor instruction fetch in kernel mode [ 55.737566] #PF: error_code(0x0011) - permissions violation [ 55.743771] PGD 8000000104e9c067 P4D 8000000104e9c067 PUD 103ca2067 PMD 103f8f067 PTE 109696067 [ 55.753480] Oops: 0011 [#10] SMP PTI [ 55.757461] CPU: 3 PID: 1737 Comm: cat Tainted: G D W 5.10.164-cip24 #1 [ 55.766085] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 55.772682] RIP: 0010:0x7ff863834000 [ 55.776659] Code: Unable to access opcode bytes at RIP 0x7ff863833fd6. [ 55.783927] RSP: 0018:ffff985c4221fe50 EFLAGS: 00010246 [ 55.789747] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 [ 55.797691] RDX: 0000000000000000 RSI: ffff8b04bbd9bf70 RDI: ffff8b04bbd9bf70 [ 55.805636] RBP: 00007ff863834000 R08: 0000000000000000 R09: 0000000000000000 [ 55.813580] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f [ 55.821527] R13: ffff985c4221ff10 R14: ffff985c4221ff10 R15: ffff8b0442944000 [ 55.829476] FS: 00007ff863805580(0000) GS:ffff8b04bbd80000(0000) knlGS:0000000000000000 [ 55.838487] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.844881] CR2: 00007ff863834000 CR3: 000000010428e000 CR4: 00000000003506e0 [ 55.852824] Call Trace: [ 55.855560] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae [ 55.860900] ? direct_entry.cold+0x2c/0x38 [ 55.865465] ? full_proxy_write+0x56/0x80 [ 55.869934] ? vfs_write+0xea/0x3a0 [ 55.873820] ? ksys_write+0x68/0xf0 [ 55.877707] ? do_syscall_64+0x33/0x40 [ 55.881881] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 55.887709] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 55.903621] CR2: 00007ff863834000 [ 55.907313] ---[ end trace f681458b8048e905 ]--- [ 55.912458] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 55.916826] Code: 89 ff e8 9e 6a a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 65 92 02 [ 55.937740] RSP: 0018:ffff985c41247e60 EFLAGS: 00010282 [ 55.943561] RAX: ffffffffa06e40d0 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.951507] RDX: 0000000000000000 RSI: ffff8b04bbc9bf70 RDI: ffffffffa14d0fb0 [ 55.959454] RBP: ffffffffa190f118 R08: 0000000000000001 R09: 0000000000000001 [ 55.967399] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 55.975341] R13: ffff985c41247f10 R14: ffff985c41247f10 R15: ffff8b0444e4e000 [ 55.983288] FS: 00007ff863805580(0000) GS:ffff8b04bbd80000(0000) knlGS:0000000000000000 [ 55.992299] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.998698] CR2: 00007ff863834000 CR3: 000000010428e000 CR4: 00000000003506e0 e_location+0x48/0x56 # [ 54.425487] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 54.430147] ? direct_entry.cold+0x2c/0x38 # [ 54.434715] ? full_proxy_write+0x56/0x80 # [ 54.439184] ? vfs_write+0xea/0x3a0 # [ 54.443067] ? ksys_write+0x68/0xf0 # [ 54.446955] ? do_syscall_64+0x33/0x40 # [ 54.451129] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 54.456957] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 54.472873] CR2: ffff985c4023f000 # [ 54.476566] ---[ end trace f681458b8048e903 ]--- # [ 54.481710] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 54.486078] Code: 89 ff e8 9e 6a a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 65 92 02 # [ 54.506986] RSP: 0018:ffff985c41247e60 EFLAGS: 00010282 # [ 54.512805] RAX: ffffffffa06e40d0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.520751] RDX: 0000000000000000 RSI: ffff8b04bbc9bf70 RDI: ffffffffa14d0fb0 # [ 54.528692] RBP: ffffffffa190f118 R08: 0000000000000001 R09: 0000000000000001 # [ 54.536635] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 54.544579] R13: ffff985c41247f10 R14: ffff985c41247f10 R15: ffff8b0444e4e000 # [ 54.552523] FS: 00007fd397772580(0000) GS:ffff8b04bbc80000(0000) knlGS:0000000000000000 # [ 54.561537] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.567934] CR2: ffff985c4023efd6 CR3: 0000000103492000 CR4: 00000000003506e0 # EXEC_VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh # Killed # [ 54.858156] lkdtm: Performing direct entry EXEC_RODATA # [ 54.866617] lkdtm: attempting ok execution at ffffffffa06e44a0 # [ 54.873197] lkdtm: attempting bad execution at ffffffffa14d1440 # [ 54.886013] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 54.894347] BUG: unable to handle page fault for address: ffffffffa14d1440 # [ 54.902002] #PF: supervisor instruction fetch in kernel mode # [ 54.908300] #PF: error_code(0x0011) - permissions violation # [ 54.914507] PGD 129e29067 P4D 129e29067 PUD 129e2a063 PMD 80000001298001e1 # [ 54.922272] Oops: 0011 [#9] SMP PTI # [ 54.926156] CPU: 1 PID: 1701 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 54.934774] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 54.941378] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 54.947102] Code: ff ff b2 5e d4 a0 ff ff ff ff 3a 3e 8b a1 ff ff ff ff f8 45 d4 a0 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 # [ 54.968011] RSP: 0018:ffff985c42187e48 EFLAGS: 00010246 # [ 54.973821] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 54.981767] RDX: 0000000000000000 RSI: ffff8b04bbc9bf70 RDI: ffff8b04bbc9bf70 # [ 54.989712] RBP: ffffffffa14d1440 R08: 0000000000000000 R09: 0000000000000000 # [ 54.997657] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 55.005602] R13: ffff985c42187f10 R14: ffff985c42187f10 R15: ffff8b0442f89000 # [ 55.013550] FS: 00007f9e63e92580([ 56.324874] lkdtm: Performing direct entry EXEC_NULL 0000) GS:ffff8b04bbc80000(0000) knlGS:0000000000000000 # [ 55[ 56.334350] lkdtm: attempting ok execution at ffffffffa06e44a0 .022559] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ [ 56.347096] lkdtm: attempting bad execution at 0000000000000000 55.028956] CR2: ffffffffa14d1440 CR3: 0000000103cce000 CR4: 00[ 56.359953] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 56.373793] #PF: supervisor instruction fetch in kernel mode [ 56.380095] #PF: error_code(0x0010) - not-present page [ 56.385817] PGD 0 P4D 0 [ 56.388647] Oops: 0010 [#11] SMP PTI [ 56.392630] CPU: 3 PID: 1773 Comm: cat Tainted: G D W 5.10.164-cip24 #1 [ 56.401257] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 56.407860] RIP: 0010:0x0 [ 56.410780] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 56.418439] RSP: 0018:ffff985c42297e48 EFLAGS: 00010246 [ 56.424258] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 56.432203] RDX: 0000000000000000 RSI: ffff8b04bbd9bf70 RDI: ffff8b04bbd9bf70 [ 56.440150] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 56.448097] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 56.456049] R13: ffff985c42297f10 R14: ffff985c42297f10 R15: ffff8b044353d000 [ 56.463996] FS: 00007fdc42996580(0000) GS:ffff8b04bbd80000(0000) knlGS:0000000000000000 [ 56.473010] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.479410] CR2: ffffffffffffffd6 CR3: 0000000104fec000 CR4: 00000000003506e0 [ 56.487353] Call Trace: [ 56.490088] execute_location+0x48/0x56 [ 56.494367] direct_entry.cold+0x2c/0x38 [ 56.498742] full_proxy_write+0x56/0x80 [ 56.503020] vfs_write+0xea/0x3a0 [ 56.506712] ksys_write+0x68/0xf0 [ 56.510408] do_syscall_64+0x33/0x40 [ 56.514391] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 56.520018] RIP: 0033:0x7fdc428ac833 [ 56.524005] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 56.544919] RSP: 002b:00007ffce14ff788 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.553352] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fdc428ac833 [ 56.561296] RDX: 000000000000000a RSI: 00007fdc4279f000 RDI: 0000000000000001 [ 56.569240] RBP: 00007fdc4279f000 R08: 00007fdc4279e010 R09: 0000000000000000 [ 56.577186] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 56.585127] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 56.593083] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 56.608994] CR2: 0000000000000000 [ 56.612679] ---[ end trace f681458b8048e906 ]--- [ 56.617819] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 56.622186] Code: 89 ff e8 9e 6a a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 65 92 02 [ 56.643097] RSP: 0018:ffff985c41247e60 EFLAGS: 00010282 [ 56.648917] RAX: ffffffffa06e40d0 RBX: 0000000000000001 RCX: 0000000000000000 [ 56.656864] RDX: 0000000000000000 RSI: ffff8b04bbc9bf70 RDI: ffffffffa14d0fb0 [ 56.664813] RBP: ffffffffa190f118 R08: 0000000000000001 R09: 0000000000000001 [ 56.672760] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 56.680712] R13: ffff985c41247f10 R14: ffff985c41247f10 R15: ffff8b0444e4e000 [ 56.688663] FS: 00007fdc42996580(0000) GS:ffff8b04bbd80000(0000) knlGS:0000000000000000 [ 56.697683] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.704084] CR2: ffffffffffffffd6 CR3: 0000000104fec000 CR4: 00000000003506e0 [ 56.712039] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 56.721919] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1773, name: cat [ 56.730358] INFO: lockdep is turned off. [ 56.734727] irq event stamp: 0 [ 56.738128] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 56.745113] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 56.754225] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 56.763338] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 56.770320] CPU: 3 PID: 1773 Comm: cat Tainted: G D W 5.10.164-cip24 #1 [ 56.778946] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 56.785540] Call Trace: [ 56.788271] dump_stack+0x77/0x9b [ 56.791969] ___might_sleep.cold+0xa6/0xb6 [ 56.796538] exit_signals+0x1c/0x2e0 [ 56.800522] do_exit+0xc2/0xaf0 [ 56.804019] ? ksys_write+0x68/0xf0 [ 56.807909] rewind_stack_do_exit+0x17/0x20 [ 56.812569] RIP: 0033:0x7fdc428ac833 [ 56.816550] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 56.837463] RSP: 002b:00007ffce14ff788 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.845900] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fdc428ac833 [ 56.853851] RDX: 000000000000000a RSI: 00007fdc4279f000 RDI: 0000000000000001 [ 56.861799] RBP: 00007fdc4279f000 R08: 00007fdc4279e010 R09: 0000000000000000 [ 56.869752] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 56.877705] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000000003506e0 # [ 55.036902] Call Trace: # [ 55.039635] ? execute_location+0x48/0x56 # [ 55.044107] ? direct_entry.cold+0x2c/0x38 # [ 55.048674] ? full_proxy_write+0x56/0x80 # [ 55.053142] ? vfs_write+0xea/0x3a0 # [ 55.057027] ? ksys_write+0x68/0xf0 # [ 55.060914] ? do_syscall_64+0x33/0x40 # [ 55.065089] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 55.070916] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 55.086830] CR2: ffffffffa14d1440 # [ 55.090521] ---[ end trace f681458b8048e904 ]--- # [ 55.095665] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 55.100031] Code: 89 ff e8 9e 6a a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 65 92 02 # [ 55.120947] RSP: 0018:ffff985c41247e60 EFLAGS: 00010282 # [ 55.126766] RAX: ffffffffa06e40d0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.134715] RDX: 0000000000000000 RSI: ffff8b04bbc9bf70 RDI: ffffffffa14d0fb0 # [ 55.142667] RBP: ffffffffa190f118 R08: 0000000000000001 R09: 0000000000000001 # [ 55.150621] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 55.158571] R13: ffff985c41247f10 R14: ffff985c41247f10 R15: ffff8b0444e4e000 # [ 55.166521] FS: 00007f9e63e92580(0000) GS:ffff8b04bbc80000(0000) knlGS:0000000000000000 # [ 55.175539] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.181941] CR2: ffffffffa14d1440 CR3: 0000000103cce000 CR4: 00000000003506e0 # [ 55.189890] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 55.199773] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1701, name: cat # [ 55.208205] INFO: lockdep is turned off. # [ 55.212570] irq event stamp: 0 # [ 55.215974] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 55.222958] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 55.232072] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 55.241187] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 55.248174] CPU: 1 PID: 1701 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 55.256790] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 55.263379] Call Trace: # [ 55.266112] dump_stack+0x77/0x9b # [ 55.269811] ___might_sleep.cold+0xa6/0xb6 # [ 55.274381] exit_signals+0x1c/0x2e0 # [ 55.278365] do_exit+0xc2/0xaf0 # [ 55.281867] ? ksys_write+0x68/0xf0 # [ 55.285755] rewind_stack_do_exit+0x17/0x20 # [ 55.290413] RIP: 0033:0x7f9e63da8833 # [ 55.294396] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 55.315297] RSP: 002b:00007ffc0a155d68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 55.323734] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f9e63da8833 # [ 55.331682] RDX: 000000000000000c RSI: 00007f9e63c9b000 RDI: 0000000000000001 # [ 55.339628] RBP: 00007f9e63c9b000 R08: 00007f9e63c9a010 R09: 0000000000000000 # [ 55.347574] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 55.355518] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_RODATA: saw 'call trace:': ok ok 34 selftests: lkdtm: EXEC_RODATA.sh # selftests: lkdtm: EXEC_USERSPACE.sh # Killed # [ 55.677463] lkdtm: Performing direct entry EXEC_USERSPACE # [ 55.685566] lkdtm: attempting ok execut[ 57.242423] lkdtm: Performing direct entry ACCESS_USERSPACE ion at ffffffffa06e44a0 # [ 55.698344] lkdtm: attempting bad [ 57.251411] lkdtm: attempting bad read at 00007fcf49eb0000 execution at 00007ff863834000 # [ 55.711473] unable to execut[ 57.263741] BUG: unable to handle page fault for address: 00007fcf49eb0000 [ 57.277541] #PF: supervisor read access in kernel mode [ 57.283264] #PF: error_code(0x0001) - permissions violation [ 57.289472] PGD 8000000104210067 P4D 8000000104210067 PUD 104081067 PMD 104080067 PTE 10d7a7067 [ 57.299183] Oops: 0001 [#12] SMP PTI [ 57.303164] CPU: 1 PID: 1808 Comm: cat Tainted: G D W 5.10.164-cip24 #1 [ 57.311795] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 57.318401] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 [ 57.324612] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 58 4b 8b a1 e8 62 96 fd ff 48 c7 c7 80 4b 8b a1 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 49 96 fd ff 48 89 ee 48 c7 c7 a8 4b 8b [ 57.345530] RSP: 0018:ffff985c4231fe48 EFLAGS: 00010246 [ 57.351354] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 [ 57.359305] RDX: 0000000000000000 RSI: ffff8b04bbc9bf70 RDI: ffffffffa18b4b80 [ 57.367251] RBP: 00007fcf49eb0000 R08: 0000000000000000 R09: 0000000000000000 [ 57.375200] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 [ 57.383149] R13: ffff985c4231ff10 R14: ffff985c4231ff10 R15: ffff8b04434cd000 [ 57.391097] FS: 00007fcf49e81580(0000) GS:ffff8b04bbc80000(0000) knlGS:0000000000000000 [ 57.400108] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.406505] CR2: 00007fcf49eb0000 CR3: 0000000104f2e000 CR4: 00000000003506e0 [ 57.414452] Call Trace: [ 57.417190] direct_entry.cold+0x2c/0x38 [ 57.421565] full_proxy_write+0x56/0x80 [ 57.425841] vfs_write+0xea/0x3a0 [ 57.429533] ksys_write+0x68/0xf0 [ 57.433229] do_syscall_64+0x33/0x40 [ 57.437216] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 57.442845] RIP: 0033:0x7fcf49d97833 [ 57.446831] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 57.467751] RSP: 002b:00007ffc67c05b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.476181] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fcf49d97833 [ 57.484130] RDX: 0000000000000011 RSI: 00007fcf49c8a000 RDI: 0000000000000001 [ 57.492079] RBP: 00007fcf49c8a000 R08: 00007fcf49c89010 R09: 0000000000000000 [ 57.500024] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 57.507974] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 57.515934] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 57.531853] CR2: 00007fcf49eb0000 [ 57.535545] ---[ end trace f681458b8048e907 ]--- [ 57.540684] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 57.545052] Code: 89 ff e8 9e 6a a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 65 92 02 [ 57.565971] RSP: 0018:ffff985c41247e60 EFLAGS: 00010282 [ 57.571796] RAX: ffffffffa06e40d0 RBX: 0000000000000001 RCX: 0000000000000000 [ 57.579746] RDX: 0000000000000000 RSI: ffff8b04bbc9bf70 RDI: ffffffffa14d0fb0 [ 57.587692] RBP: ffffffffa190f118 R08: 0000000000000001 R09: 0000000000000001 [ 57.595637] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 57.603586] R13: ffff985c41247f10 R14: ffff985c41247f10 R15: ffff8b0444e4e000 [ 57.611537] FS: 00007fcf49e81580(0000) GS:ffff8b04bbc80000(0000) knlGS:0000000000000000 [ 57.620555] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.626956] CR2: 00007fcf49eb0000 CR3: 0000000104f2e000 CR4: 00000000003506e0 e userspace code (SMEP?) (uid: 0) # [ 55.723612] BUG: unable to handle page fault for address: 00007ff863834000 # [ 55.731268] #PF: supervisor instruction fetch in kernel mode # [ 55.737566] #PF: error_code(0x0011) - permissions violation # [ 55.743771] PGD 8000000104e9c067 P4D 8000000104e9c067 PUD 103ca2067 PMD 103f8f067 PTE 109696067 # [ 55.753480] Oops: 0011 [#10] SMP PTI # [ 55.757461] CPU: 3 PID: 1737 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 55.766085] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 55.772682] RIP: 0010:0x7ff863834000 # [ 55.776659] Code: Unable to access opcode bytes at RIP 0x7ff863833fd6. # [ 55.783927] RSP: 0018:ffff985c4221fe50 EFLAGS: 00010246 # [ 55.789747] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 # [ 55.797691] RDX: 0000000000000000 RSI: ffff8b04bbd9bf70 RDI: ffff8b04bbd9bf70 # [ 55.805636] RBP: 00007ff863834000 R08: 0000000000000000 R09: 0000000000000000 # [ 55.813580] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f # [ 55.821527] R13: ffff985c4221ff10 R14: ffff985c4221ff10 R15: ffff8b0442944000 # [ 55.829476] FS: 00007ff863805580(0000) GS:ffff8b04bbd80000(0000) knlGS:0000000000000000 # [ 55.838487] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.844881] CR2: 00007ff863834000 CR3: 000000010428e000 CR4: 00000000003506e0 # [ 55.852824] Call Trace: # [ 55.855560] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae # [ 55.860900] ? direct_entry.cold+0x2c/0x38 # [ 55.865465] ? full_proxy_write+0x56/0x80 # [ 55.869934] ? vfs_write+0xea/0x3a0 # [ 55.873820] ? ksys_write+0x68/0xf0 # [ 55.877707] ? do_syscall_64+0x33/0x40 # [ 55.881881] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 55.887709] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 55.903621] CR2: 00007ff863834000 # [ 55.907313] ---[ end trace f681458b8048e905 ]--- # [ 55.912458] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 55.916826] Code: 89 ff e8 9e 6a a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 65 92 02 # [ 55.937740] RSP: 0018:ffff985c41247e60 EFLAGS: 00010282 # [ 55.943561] RAX: ffffffffa06e40d0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.951507] RDX: 0000000000000000 RSI: ffff8b04bbc9bf70 RDI: ffffffffa14d0fb0 # [ 55.959454] RBP: ffffffffa190f118 R08: 0000000000000001 R09: 0000000000000001 # [ 55.967399] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 55.975341] R13: ffff985c41247f10 R14: ffff985c41247f10 R15: ffff8b0444e4e000 # [ 55.983288] FS: 00007ff863805580(0000) GS:ffff8b04bbd80000(0000) knlGS:0000000000000000 # [ 55.992299] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.998698] CR2: 00007ff863834000 CR3: 000000010428e000 CR4: 00000000003506e0 # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh # Killed # [ 56.324874] lkdtm: Performing dir[ 57.939467] lkdtm: Performing direct entry ACCESS_NULL [ 57.950617] lkdtm: attempting bad read at 0000000000000000 [ 57.956781] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 57.964544] #PF: supervisor read access in kernel mode ect entry EXEC_NULL # [ 56.334350] lkdtm: attempting ok execu[ 57.970262] #PF: error_code(0x0000) - not-present page [ 57.982168] PGD 0 P4D 0 [ 57.984996] Oops: 0000 [#13] SMP PTI [ 57.988982] CPU: 1 PID: 1843 Comm: cat Tainted: G D W 5.10.164-cip24 #1 [ 57.997606] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 58.004214] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 [ 58.009460] Code: 06 96 fd ff be 00 10 00 00 48 89 ef e8 43 32 3c ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 58 4b 8b a1 e8 e0 95 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 80 4b 8b a1 48 01 [ 58.030379] RSP: 0018:ffff985c423a7e58 EFLAGS: 00010246 [ 58.036194] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 [ 58.044145] RDX: 0000000000000000 RSI: ffff8b04bbc9bf70 RDI: ffff8b04bbc9bf70 [ 58.052095] RBP: ffffffffa18b3c49 R08: 0000000000000000 R09: 0000000000000000 [ 58.060044] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 58.067993] R13: ffff985c423a7f10 R14: ffff985c423a7f10 R15: ffff8b0443cad000 [ 58.075943] FS: 00007f77fa2b3580(0000) GS:ffff8b04bbc80000(0000) knlGS:0000000000000000 [ 58.084959] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.091358] CR2: 0000000000000000 CR3: 0000000104fa6000 CR4: 00000000003506e0 [ 58.099303] Call Trace: [ 58.102038] direct_entry.cold+0x2c/0x38 [ 58.106420] full_proxy_write+0x56/0x80 [ 58.110701] vfs_write+0xea/0x3a0 [ 58.114399] ksys_write+0x68/0xf0 [ 58.118096] do_syscall_64+0x33/0x40 [ 58.122078] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 58.127705] RIP: 0033:0x7f77fa1c9833 [ 58.131683] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 58.152590] RSP: 002b:00007ffd5bb7e688 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.161027] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f77fa1c9833 [ 58.168974] RDX: 000000000000000c RSI: 00007f77fa0bc000 RDI: 0000000000000001 [ 58.176922] RBP: 00007f77fa0bc000 R08: 00007f77fa0bb010 R09: 0000000000000000 [ 58.184869] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 58.192820] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 58.200778] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 58.216693] CR2: 0000000000000000 [ 58.220386] ---[ end trace f681458b8048e908 ]--- [ 58.225536] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 58.229906] Code: 89 ff e8 9e 6a a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 65 92 02 [ 58.250831] RSP: 0018:ffff985c41247e60 EFLAGS: 00010282 [ 58.256653] RAX: ffffffffa06e40d0 RBX: 0000000000000001 RCX: 0000000000000000 [ 58.264601] RDX: 0000000000000000 RSI: ffff8b04bbc9bf70 RDI: ffffffffa14d0fb0 [ 58.272551] RBP: ffffffffa190f118 R08: 0000000000000001 R09: 0000000000000001 [ 58.280502] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 58.288451] R13: ffff985c41247f10 R14: ffff985c41247f10 R15: ffff8b0444e4e000 [ 58.296397] FS: 00007f77fa2b3580(0000) GS:ffff8b04bbc80000(0000) knlGS:0000000000000000 [ 58.305406] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.311804] CR2: 0000000000000000 CR3: 0000000104fa6000 CR4: 00000000003506e0 [ 58.319752] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 58.329632] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1843, name: cat [ 58.338062] INFO: lockdep is turned off. [ 58.342426] irq event stamp: 0 [ 58.345828] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 58.352816] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 58.361932] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 58.371042] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 58.378024] CPU: 1 PID: 1843 Comm: cat Tainted: G D W 5.10.164-cip24 #1 [ 58.386651] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 58.393242] Call Trace: [ 58.395971] dump_stack+0x77/0x9b [ 58.399669] ___might_sleep.cold+0xa6/0xb6 [ 58.404235] exit_signals+0x1c/0x2e0 [ 58.408220] do_exit+0xc2/0xaf0 [ 58.411721] ? ksys_write+0x68/0xf0 [ 58.415602] rewind_stack_do_exit+0x17/0x20 [ 58.420258] RIP: 0033:0x7f77fa1c9833 [ 58.424241] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 58.445162] RSP: 002b:00007ffd5bb7e688 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.453599] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f77fa1c9833 [ 58.461550] RDX: 000000000000000c RSI: 00007f77fa0bc000 RDI: 0000000000000001 [ 58.469496] RBP: 00007f77fa0bc000 R08: 00007f77fa0bb010 R09: 0000000000000000 [ 58.477444] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 58.485392] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 tion at ffffffffa06e44a0 # [ 56.347096] lkdtm: attempting bad execution at 0000000000000000 # [ 56.359953] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 56.373793] #PF: supervisor instruction fetch in kernel mode # [ 56.380095] #PF: error_code(0x0010) - not-present page # [ 56.385817] PGD 0 P4D 0 # [ 56.388647] Oops: 0010 [#11] SMP PTI # [ 56.392630] CPU: 3 PID: 1773 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 56.401257] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 56.407860] RIP: 0010:0x0 # [ 56.410780] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. # [ 56.418439] RSP: 0018:ffff985c42297e48 EFLAGS: 00010246 # [ 56.424258] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 56.432203] RDX: 0000000000000000 RSI: ffff8b04bbd9bf70 RDI: ffff8b04bbd9bf70 # [ 56.440150] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 # [ 56.448097] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 56.456049] R13: ffff985c42297f10 R14: ffff985c42297f10 R15: ffff8b044353d000 # [ 56.463996] FS: 00007fdc42996580(0000) GS:ffff8b04bbd80000(0000) knlGS:0000000000000000 # [ 56.473010] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.479410] CR2: ffffffffffffffd6 CR3: 0000000104fec000 CR4: 00000000003506e0 # [ 56.487353] Call Trace: # [ 56.490088] execute_location+0x48/0x56 # [ 56.494367] direct_entry.cold+0x2c/0x38 # [ 56.498742] full_proxy_write+0x56/0x80 # [ 56.503020] vfs_write+0xea/0x3a0 # [ 56.506712] ksys_write+0x68/0xf0 # [ 56.510408] do_syscall_64+0x33/0x40 # [ 56.514391] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 56.520018] RIP: 0033:0x7fdc428ac833 # [ 56.524005] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 56.544919] RSP: 002b:00007ffce14ff788 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.553352] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fdc428ac833 # [ 56.561296] RDX: 000000000000000a RSI: 00007fdc4279f000 RDI: 0000000000000001 # [ 56.569240] RBP: 00007fdc4279f000 R08: 00007fdc4279e010 R09: 0000000000000000 # [ 56.577186] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 56.585127] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 56.593083] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 56.608994] CR2: 0000000000000000 # [ 56.612679] ---[ end trace f681458b8048e906 ]--- # [ 56.617819] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 56.622186] Code: 89 ff e8 9e 6a a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 65 92 02 # [ 56.643097] RSP: 0018:ffff985c41247e60 EFLAGS: 00010282 # [ 56.648917] RAX: ffffffffa06e40d0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 56.656864] RDX: 0000000000000000 RSI: ffff8b04bbc9bf70 RDI: ffffffffa14d0fb0 # [ 56.664813] RBP: ffffffffa190f118 R08: 0000000000000001 R09: 0000000000000001 # [ 56.672760] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 56.680712] R13: ffff9[ 58.824540] lkdtm: Performing direct entry WRITE_RO 85c41247f10 R14: ffff985c41247f10 R15: ffff8b0444e4e000 # [ 5[ 58.833427] lkdtm: attempting bad rodata write at ffffffffa14d1430 6.688663] FS: 00007fdc42996580(0000) GS:ffff8b04bbd80000(0000) [ 58.846497] BUG: unable to handle page fault for address: ffffffffa14d1430 [ 58.860304] #PF: supervisor write access in kernel mode [ 58.866123] #PF: error_code(0x0003) - permissions violation [ 58.872328] PGD 129e29067 P4D 129e29067 PUD 129e2a063 PMD 80000001298001e1 [ 58.880097] Oops: 0003 [#14] SMP PTI [ 58.884081] CPU: 3 PID: 1878 Comm: cat Tainted: G D W 5.10.164-cip24 #1 [ 58.892702] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 58.899306] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a [ 58.904247] Code: 00 48 c7 c7 38 4a 8b a1 48 c7 c6 30 14 4d a1 e8 8a 98 fd ff 48 8b 05 ed ca 78 00 ba 34 12 cd ab 48 c7 c7 68 4a 8b a1 48 31 d0 <48> 89 05 d7 ca 78 00 e9 68 98 fd ff 0f 1f 44 00 00 48 8b 05 c6 b9 [ 58.925163] RSP: 0018:ffff985c4241fe60 EFLAGS: 00010202 [ 58.930977] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 [ 58.938927] RDX: 00000000abcd1234 RSI: ffff8b04bbd9bf70 RDI: ffffffffa18b4a68 [ 58.946880] RBP: ffffffffa18b3c55 R08: 0000000000000000 R09: 0000000000000000 [ 58.954830] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 [ 58.962785] R13: ffff985c4241ff10 R14: ffff985c4241ff10 R15: ffff8b04435f7000 [ 58.970741] FS: 00007f013c9fb580(0000) GS:ffff8b04bbd80000(0000) knlGS:0000000000000000 [ 58.979758] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.986159] CR2: ffffffffa14d1430 CR3: 0000000103cec000 CR4: 00000000003506e0 [ 58.994111] Call Trace: [ 58.996845] direct_entry.cold+0x2c/0x38 [ 59.001224] full_proxy_write+0x56/0x80 [ 59.005502] vfs_write+0xea/0x3a0 [ 59.009195] ksys_write+0x68/0xf0 [ 59.012890] do_syscall_64+0x33/0x40 [ 59.016874] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 59.022503] RIP: 0033:0x7f013c911833 [ 59.026485] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 59.047404] RSP: 002b:00007ffd8e910728 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.055840] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f013c911833 [ 59.063787] RDX: 0000000000000009 RSI: 00007f013c804000 RDI: 0000000000000001 [ 59.071735] RBP: 00007f013c804000 R08: 00007f013c803010 R09: 0000000000000000 [ 59.079682] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 59.087630] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 59.095588] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 59.111516] CR2: ffffffffa14d1430 [ 59.115211] ---[ end trace f681458b8048e909 ]--- [ 59.120364] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 59.124737] Code: 89 ff e8 9e 6a a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 65 92 02 [ 59.145646] RSP: 0018:ffff985c41247e60 EFLAGS: 00010282 [ 59.151465] RAX: ffffffffa06e40d0 RBX: 0000000000000001 RCX: 0000000000000000 [ 59.159413] RDX: 0000000000000000 RSI: ffff8b04bbc9bf70 RDI: ffffffffa14d0fb0 [ 59.167361] RBP: ffffffffa190f118 R08: 0000000000000001 R09: 0000000000000001 [ 59.175312] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 59.183264] R13: ffff985c41247f10 R14: ffff985c41247f10 R15: ffff8b0444e4e000 [ 59.191218] FS: 00007f013c9fb580(0000) GS:ffff8b04bbd80000(0000) knlGS:0000000000000000 [ 59.200236] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.206636] CR2: ffffffffa14d1430 CR3: 0000000103cec000 CR4: 00000000003506e0 knlGS:0000000000000000 # [ 56.697683] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.704084] CR2: ffffffffffffffd6 CR3: 0000000104fec000 CR4: 00000000003506e0 # [ 56.712039] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 56.721919] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1773, name: cat # [ 56.730358] INFO: lockdep is turned off. # [ 56.734727] irq event stamp: 0 # [ 56.738128] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 56.745113] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 56.754225] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 56.763338] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 56.770320] CPU: 3 PID: 1773 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 56.778946] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 56.785540] Call Trace: # [ 56.788271] dump_stack+0x77/0x9b # [ 56.791969] ___might_sleep.cold+0xa6/0xb6 # [ 56.796538] exit_signals+0x1c/0x2e0 # [ 56.800522] do_exit+0xc2/0xaf0 # [ 56.804019] ? ksys_write+0x68/0xf0 # [ 56.807909] rewind_stack_do_exit+0x17/0x20 # [ 56.812569] RIP: 0033:0x7fdc428ac833 # [ 56.816550] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 56.837463] RSP: 002b:00007ffce14ff788 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.845900] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fdc428ac833 # [ 56.853851] RDX: 000000000000000a RSI: 00007fdc4279f000 RDI: 0000000000000001 # [ 56.861799] RBP: 00007fdc4279f000 R08: 00007fdc4279e010 R09: 0000000000000000 # [ 56.869752] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 56.877705] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_NULL: saw 'call trace:': ok ok 36 selftests: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.sh # Killed # [ 57.242423] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 57.251411] lkdtm: attempting bad read at 00007fcf49eb0000 # [ 57.263741] BUG: unable to handle page fault for address: 00007fcf49eb0000 # [ 57.277541] #PF: supervisor read access in kernel mode # [ 57.283264] #PF: error_code(0x0001) - permissions violation # [ 57.289472] PGD 8000000104210067 P4D 8000000104210067 PUD 104081067 PMD 104080067 PTE 10d7a7067 # [ 57.299183] Oops: 0001 [#12] SMP PTI # [ 57.303164] CPU: 1 PID: 1808 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 57.311795] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 57.318401] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 57.324612] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 58 4b 8b a1 e8 62 96 fd ff 48 c7 c7 80 4b 8b a1 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 49 96 fd ff 48 89 ee 48 c7 c7 a8 4b 8b # [ 57.345530] RSP: 0018:ffff985c4231fe48 EFLAGS: 00010246 # [ 57.351354] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 # [ 57.359305] RDX: 0000000000000000 RSI: ffff8b04bbc9bf70 RDI: ffffffffa18b4b80 # [ 57.367251] RBP: 00007fcf49eb0000 R08: 0000000000000000 R09: 0000000000000000 # [ 57.375200] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 # [ 57.383149] R13: ffff985c4231ff10 R14: ffff985c4231ff10 R15: ffff8b04434cd000 # [ 57.391097] FS: 00007fcf49e81580(0000) GS:ffff8b04bbc80000(0000) knlGS:0000000000000000 # [ 57.400108] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.406505] CR2: 00007fcf49eb0000 CR3: 0000000104f2e000 [ 59.574806] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT [ 59.586653] lkdtm: attempting bad ro_after_init write at ffffffffa1930330 CR4: 00000000003506e0 # [ 57.414452] Call Trace: # [ 57.41[ 59.594268] BUG: unable to handle page fault for address: ffffffffa1930330 [ 59.608120] #PF: supervisor write access in kernel mode [ 59.613940] #PF: error_code(0x0003) - permissions violation 7190] direct_entry.cold+0x2c/0x38 # [ 57.421565] full_proxy[ 59.620152] PGD 129e29067 P4D 129e29067 PUD 129e2a063 PMD 104bf0163 PTE 8000000129d30061 [ 59.635359] Oops: 0003 [#15] SMP PTI _write+0x56/0x80 # [ 57.425841] vfs_write+0xea/0x3a0 # [ [ 59.639347] CPU: 2 PID: 1913 Comm: cat Tainted: G D W 5.10.164-cip24 #1 [ 59.654150] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 59.660754] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a [ 59.666771] Code: 4a 8b a1 e9 3c 98 fd ff 48 c7 c7 c0 4a 8b a1 e8 30 98 fd ff 48 8b 05 93 b9 be 00 ba 34 12 cd ab 48 c7 c7 68 4a 8b a1 48 31 d0 <48> 89 05 7d b9 be 00 e9 0e 98 fd ff 0f 1f 44 00 00 41 54 48 c7 c7 [ 59.687681] RSP: 0018:ffff985c42467e60 EFLAGS: 00010202 [ 59.693500] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 [ 59.701449] RDX: 00000000abcd1234 RSI: ffff8b04bbd1bf70 RDI: ffffffffa18b4a68 [ 59.709400] RBP: ffffffffa18b3c5e R08: 0000000000000000 R09: 0000000000000000 [ 59.717345] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 [ 59.725291] R13: ffff985c42467f10 R14: ffff985c42467f10 R15: ffff8b0443525000 [ 59.733242] FS: 00007f3caace5580(0000) GS:ffff8b04bbd00000(0000) knlGS:0000000000000000 [ 59.742258] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.748660] CR2: ffffffffa1930330 CR3: 00000001054ce000 CR4: 00000000003506e0 [ 59.756603] Call Trace: [ 59.759336] direct_entry.cold+0x2c/0x38 [ 59.763714] full_proxy_write+0x56/0x80 [ 59.767989] vfs_write+0xea/0x3a0 [ 59.771681] ksys_write+0x68/0xf0 [ 59.775376] do_syscall_64+0x33/0x40 [ 59.779361] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 59.784989] RIP: 0033:0x7f3caabfb833 [ 59.788971] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 59.809878] RSP: 002b:00007fffca0e63c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.818316] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f3caabfb833 [ 59.826264] RDX: 0000000000000014 RSI: 00007f3caaaee000 RDI: 0000000000000001 [ 59.834213] RBP: 00007f3caaaee000 R08: 00007f3caaaed010 R09: 0000000000000000 [ 59.842163] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 59.850115] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 59.858077] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 59.873997] CR2: ffffffffa1930330 [ 59.877695] ---[ end trace f681458b8048e90a ]--- [ 59.882845] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 59.887215] Code: 89 ff e8 9e 6a a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 65 92 02 [ 59.908133] RSP: 0018:ffff985c41247e60 EFLAGS: 00010282 [ 59.913958] RAX: ffffffffa06e40d0 RBX: 0000000000000001 RCX: 0000000000000000 [ 59.921904] RDX: 0000000000000000 RSI: ffff8b04bbc9bf70 RDI: ffffffffa14d0fb0 [ 59.929850] RBP: ffffffffa190f118 R08: 0000000000000001 R09: 0000000000000001 [ 59.937795] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 59.945739] R13: ffff985c41247f10 R14: ffff985c41247f10 R15: ffff8b0444e4e000 [ 59.953688] FS: 00007f3caace5580(0000) GS:ffff8b04bbd00000(0000) knlGS:0000000000000000 [ 59.962698] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.969095] CR2: ffffffffa1930330 CR3: 00000001054ce000 CR4: 00000000003506e0 [ 59.977043] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 59.986926] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1913, name: cat [ 59.995356] INFO: lockdep is turned off. [ 59.999722] irq event stamp: 0 [ 60.003121] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 60.010102] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 60.019210] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 60.028318] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 60.035300] CPU: 2 PID: 1913 Comm: cat Tainted: G D W 5.10.164-cip24 #1 [ 60.043922] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 60.050511] Call Trace: [ 60.053242] dump_stack+0x77/0x9b [ 60.056941] ___might_sleep.cold+0xa6/0xb6 [ 60.061509] exit_signals+0x1c/0x2e0 [ 60.065493] do_exit+0xc2/0xaf0 [ 60.068994] ? ksys_write+0x68/0xf0 [ 60.072883] rewind_stack_do_exit+0x17/0x20 [ 60.077539] RIP: 0033:0x7f3caabfb833 [ 60.081519] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 60.102426] RSP: 002b:00007fffca0e63c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.110863] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f3caabfb833 [ 60.118809] RDX: 0000000000000014 RSI: 00007f3caaaee000 RDI: 0000000000000001 [ 60.126753] RBP: 00007f3caaaee000 R08: 00007f3caaaed010 R09: 0000000000000000 [ 60.134695] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 60.142641] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 57.429533] ksys_write+0x68/0xf0 # [ 57.433229] do_syscall_64+0x33/0x40 # [ 57.437216] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 57.442845] RIP: 0033:0x7fcf49d97833 # [ 57.446831] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 57.467751] RSP: 002b:00007ffc67c05b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 57.476181] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fcf49d97833 # [ 57.484130] RDX: 0000000000000011 RSI: 00007fcf49c8a000 RDI: 0000000000000001 # [ 57.492079] RBP: 00007fcf49c8a000 R08: 00007fcf49c89010 R09: 0000000000000000 # [ 57.500024] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 57.507974] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 57.515934] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 57.531853] CR2: 00007fcf49eb0000 # [ 57.535545] ---[ end trace f681458b8048e907 ]--- # [ 57.540684] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 57.545052] Code: 89 ff e8 9e 6a a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 65 92 02 # [ 57.565971] RSP: 0018:ffff985c41247e60 EFLAGS: 00010282 # [ 57.571796] RAX: ffffffffa06e40d0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 57.579746] RDX: 0000000000000000 RSI: ffff8b04bbc9bf70 RDI: ffffffffa14d0fb0 # [ 57.587692] RBP: ffffffffa190f118 R08: 0000000000000001 R09: 0000000000000001 # [ 57.595637] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 57.603586] R13: ffff985c41247f10 R14: ffff985c41247f10 R15: ffff8b0444e4e000 # [ 57.611537] FS: 00007fcf49e81580(0000) GS:ffff8b04bbc80000(0000) knlGS:0000000000000000 # [ 57.620555] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.626956] CR2: 00007fcf49eb0000 CR3: 0000000104f2e000 CR4: 00000000003506e0 # ACCESS_USERSPACE: saw 'call trace:': ok ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # selftests: lkdtm: ACCESS_NULL.sh # Killed # [ 57.939467] lkdtm: Performing direct entry ACCESS_NULL # [ 57.950617] lkdtm: attempting bad read at 0000000000000000 # [ 57.956781] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 57.964544] #PF: supervisor read access in kernel mode # [ 57.970262] #PF: error_code(0x0000) - not-present page # [ 57.982168] PGD 0 P4D 0 # [ 57.984996] Oops: 0000 [#13] SMP PTI # [ 57.988982] CPU: 1 PID: 1843 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 57.997606] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 58.004214] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 58.009460] Code: 06 96 fd ff be 00 10 00 00 48 89 ef e8 43 32 3c ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 58 4b 8b a1 e8 e0 95 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 80 4b 8b a1 48 01 # [ 58.030379] RSP: 0018:ffff985c423a7e58 EFLAGS: 00010246 # [ 58.036194] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 # [ 58.044145] RDX: 0000000000000000 RSI: ffff8b04bbc9bf70 RDI: ffff8b04bbc9bf70 # [ 58.052095] RBP: fffff[ 60.476873] lkdtm: Performing direct entry WRITE_KERN fffa18b3c49 R08: 0000000000000000 R09: 0000000000000000 # [ 5[ 60.484741] lkdtm: attempting bad 6685725 byte write at ffffffffa0d448bd 8.060044] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000[ 60.498465] BUG: unable to handle page fault for address: ffffffffa0d448bd [ 60.512220] #PF: supervisor write access in kernel mode [ 60.518037] #PF: error_code(0x0003) - permissions violation [ 60.524240] PGD 129e29067 P4D 129e29067 PUD 129e2a063 PMD 1290001e1 [ 60.531329] Oops: 0003 [#16] SMP PTI [ 60.535309] CPU: 3 PID: 1948 Comm: cat Tainted: G D W 5.10.164-cip24 #1 [ 60.543932] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 60.550541] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e [ 60.555687] Code: 53 48 c7 c3 bd 48 d4 a0 49 89 dc 48 89 da 49 81 ec a0 44 6e a0 4c 89 e6 e8 e3 97 fd ff 48 89 df 4c 89 e1 48 c7 c6 a0 44 6e a0 a4 48 c7 c7 68 4a 8b a1 e8 c8 97 fd ff 5b 41 5c e9 b7 fe ff ff [ 60.576607] RSP: 0018:ffff985c4251fe50 EFLAGS: 00010246 [ 60.582427] RAX: 000000000000003c RBX: ffffffffa0d448bd RCX: 000000000066041d [ 60.590376] RDX: 0000000000000000 RSI: ffffffffa06e44a0 RDI: ffffffffa0d448bd [ 60.598321] RBP: ffffffffa18b3c72 R08: 0000000000000000 R09: 0000000000000000 [ 60.606271] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000066041d [ 60.614221] R13: ffff985c4251ff10 R14: ffff985c4251ff10 R15: ffff8b044421d000 [ 60.622172] FS: 00007fbd95a2f580(0000) GS:ffff8b04bbd80000(0000) knlGS:0000000000000000 [ 60.631190] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.637592] CR2: ffffffffa0d448bd CR3: 0000000105d6e000 CR4: 00000000003506e0 [ 60.645539] Call Trace: [ 60.648272] direct_entry.cold+0x2c/0x38 [ 60.652647] full_proxy_write+0x56/0x80 [ 60.656925] vfs_write+0xea/0x3a0 [ 60.660617] ksys_write+0x68/0xf0 [ 60.664314] do_syscall_64+0x33/0x40 [ 60.668297] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 60.673921] RIP: 0033:0x7fbd95945833 [ 60.677904] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 60.698828] RSP: 002b:00007ffe0a8bed48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.707264] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fbd95945833 [ 60.715209] RDX: 000000000000000b RSI: 00007fbd95838000 RDI: 0000000000000001 [ 60.723153] RBP: 00007fbd95838000 R08: 00007fbd95837010 R09: 0000000000000000 [ 60.731099] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 60.739043] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 60.747001] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 60.762917] CR2: ffffffffa0d448bd [ 60.766609] ---[ end trace f681458b8048e90b ]--- [ 60.771757] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 60.776129] Code: 89 ff e8 9e 6a a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 65 92 02 [ 60.797044] RSP: 0018:ffff985c41247e60 EFLAGS: 00010282 [ 60.802867] RAX: ffffffffa06e40d0 RBX: 0000000000000001 RCX: 0000000000000000 [ 60.810815] RDX: 0000000000000000 RSI: ffff8b04bbc9bf70 RDI: ffffffffa14d0fb0 [ 60.818764] RBP: ffffffffa190f118 R08: 0000000000000001 R09: 0000000000000001 [ 60.826709] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 60.834653] R13: ffff985c41247f10 R14: ffff985c41247f10 R15: ffff8b0444e4e000 [ 60.842601] FS: 00007fbd95a2f580(0000) GS:ffff8b04bbd80000(0000) knlGS:0000000000000000 [ 60.851611] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.858008] CR2: ffffffffa0d448bd CR3: 0000000105d6e000 CR4: 00000000003506e0 0000000000c # [ 58.067993] R13: ffff985c423a7f10 R14: ffff985c423a7f10 R15: ffff8b0443cad000 # [ 58.075943] FS: 00007f77fa2b3580(0000) GS:ffff8b04bbc80000(0000) knlGS:0000000000000000 # [ 58.084959] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.091358] CR2: 0000000000000000 CR3: 0000000104fa6000 CR4: 00000000003506e0 # [ 58.099303] Call Trace: # [ 58.102038] direct_entry.cold+0x2c/0x38 # [ 58.106420] full_proxy_write+0x56/0x80 # [ 58.110701] vfs_write+0xea/0x3a0 # [ 58.114399] ksys_write+0x68/0xf0 # [ 58.118096] do_syscall_64+0x33/0x40 # [ 58.122078] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 58.127705] RIP: 0033:0x7f77fa1c9833 # [ 58.131683] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 58.152590] RSP: 002b:00007ffd5bb7e688 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.161027] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f77fa1c9833 # [ 58.168974] RDX: 000000000000000c RSI: 00007f77fa0bc000 RDI: 0000000000000001 # [ 58.176922] RBP: 00007f77fa0bc000 R08: 00007f77fa0bb010 R09: 0000000000000000 # [ 58.184869] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 58.192820] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 58.200778] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 58.216693] CR2: 0000000000000000 # [ 58.220386] ---[ end trace f681458b8048e908 ]--- # [ 58.225536] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 58.229906] Code: 89 ff e8 9e 6a a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 65 92 02 # [ 58.250831] RSP: 0018:ffff985c41247e60 EFLAGS: 00010282 # [ 58.256653] RAX: ffffffffa06e40d0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 58.264601] RDX: 0000000000000000 RSI: ffff8b04bbc9bf70 RDI: ffffffffa14d0fb0 # [ 58.272551] RBP: ffffffffa190f118 R08: 0000000000000001 R09: 0000000000000001 # [ 58.280502] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 58.288451] R13: ffff985c41247f10 R14: ffff985c41247f10 R15: ffff8b0444e4e000 # [ 58.296397] FS: 00007f77fa2b3580(0000) GS:ffff8b04bbc80000(0000) knlGS:0000000000000000 # [ 58.305406] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.311804] CR2: 0000000000000000 CR3: 0000000104fa6000 CR4: 00000000003506e0 # [ 58.319752] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 58.329632] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1843, name: cat # [ 58.338062] INFO: lockdep is turned off. # [ 58.342426] irq event stamp: 0 # [ 58.345828] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 58.352816] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 58.361932] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 58.371042] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 58.378024] CPU: 1 PID: 1843 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 58.386651] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 58.393242] Call Trace: # [ 58.395971] dump_stack+0x77/0x9b # [ 58.399669] ___might_sleep.cold+0xa6/0xb6 # [ 58.404235] exit_signals+0x1c/0x2e0 # [ 58.408220] do_exit+0xc2/0xaf0 # [ 58.411721] ? ksys_write+0x68/0xf0 # [ 58.415602] rewind_stack_do_exit+0x17/0x20 # [ 58.420258] RIP: 0033:0x7f77fa1c9833 # [ 58.424241] Code: 8b 15 61 26 0e 00 f7 d8 64 89[ 61.232284] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW [ 61.244373] lkdtm: attempting good refcount_inc() without overflow [ 61.251278] lkdtm: attempting bad refcount_inc() overflow 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 [ 61.257315] ------------[ cut here ]------------ 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f[ 61.268662] refcount_t: saturated; leaking memory. [ 61.280260] WARNING: CPU: 1 PID: 1983 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 [ 61.289680] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 61.305622] CPU: 1 PID: 1983 Comm: cat Tainted: G D W 5.10.164-cip24 #1 [ 61.314264] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 61.320930] RIP: 0010:refcount_warn_saturate+0x51/0x110 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 58.445162] RSP: 002b[ 61.326802] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 52 ef 93 01 00 75 ee 48 c7 c7 08 f3 84 a1 c6 05 42 ef 93 01 01 e8 56 97 95 00 <0f> 0b c3 cc cc cc cc 80 3d 2e ef 93 01 00 75 cb 48 c7 c7 30 f3 84 [ 61.353867] RSP: 0018:ffff985c425bfe48 EFLAGS: 00010286 [ 61.359711] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 [ 61.367671] RDX: ffff8b04bbcac660 RSI: ffff8b04bbc9bf70 RDI: ffff8b04bbc9bf70 [ 61.375638] RBP: ffffffffa18b3c7d R08: 0000000000000000 R09: 0000000000000000 [ 61.383610] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 61.391579] R13: ffff985c425bff10 R14: ffff985c425bff10 R15: ffff8b0443e54000 [ 61.399553] FS: 00007fc8c02e2580(0000) GS:ffff8b04bbc80000(0000) knlGS:0000000000000000 [ 61.408587] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.415006] CR2: 00007fc8c00eb000 CR3: 0000000104f14000 CR4: 00000000003506e0 [ 61.422977] Call Trace: [ 61.425732] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 [ 61.431100] direct_entry.cold+0x2c/0x38 [ 61.435496] full_proxy_write+0x56/0x80 [ 61.439799] vfs_write+0xea/0x3a0 [ 61.443519] ksys_write+0x68/0xf0 [ 61.447230] do_syscall_64+0x33/0x40 [ 61.451239] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 61.456890] RIP: 0033:0x7fc8c01f8833 [ 61.460893] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 61.481827] RSP: 002b:00007ffed4687118 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 :00007ffd5bb7e688 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 #[ 61.490283] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fc8c01f8833 [ 61.504448] RDX: 0000000000000016 RSI: 00007fc8c00eb000 RDI: 0000000000000001 [ 61.512420] RBP: 00007fc8c00eb000 R08: 00007fc8c00ea010 R09: 0000000000000000 [ 61.520387] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 61.528352] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 58.453599] RAX: ffffffffffffffda RBX: 000000000000000c RCX:[ 61.536339] irq event stamp: 0 00007f77fa1c9833 # [ 58.461550] RDX: 000000000000000c RSI: 0[ 61.545952] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0007f77fa0bc000 RDI: 0000000000000001 # [ 58.469496] RBP: 000[ 61.559134] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 61.574451] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 61.583585] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 61.590585] ---[ end trace f681458b8048e90c ]--- [ 61.595749] lkdtm: Overflow detected: saturated 07f77fa0bc000 R08: 00007f77fa0bb010 R09: 0000000000000000 # [ 58.477444] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 58.485392] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # ACCESS_NULL: saw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh # Killed # [ 58.824540] lkdtm: Performing direct entry WRITE_RO # [ 58.833427] lkdtm: attempting bad rodata write at ffffffffa14d1430 # [ 58.846497] BUG: unable to handle page fault for address: ffffffffa14d1430 # [ 58.860304] #PF: supervisor write access in kernel mode # [ 58.866123] #PF: error_code(0x0003) - permissions violation # [ 58.872328] PGD 129e29067 P4D 129e29067 PUD 129e2a063 PMD 80000001298001e1 # [ 58.880097] Oops: 0003 [#14] SMP PTI # [ 58.884081] CPU: 3 PID: 1878 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 58.892702] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 58.899306] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 58.904247] Code: 00 48 c7 c7 38 4a 8b a1 48 c7 c6 30 14 4d a1 e8 8a 98 fd ff 48 8b 05 ed ca 78 00 ba 34 12 cd ab 48 c7 c7 68 4a 8b a1 48 31 d0 <48> 89 05 d7 ca 78 00 e9 68 98 fd ff 0f 1f 44 00 00 48 8b 05 c6 b9 # [ 58.925163] RSP: 0018:ffff985c4241fe60 EFLAGS: 00010202 # [ 58.930977] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 # [ 58.938927] RDX: 00000000abcd1234 RSI: ffff8b04bbd9bf70 RDI: ffffffffa18b4a68 # [ 58.946880] RBP: ffffffffa18b3c55 R08: 0000000000000000 R09: 0000000000000000 # [ 58.954830] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 # [ 58.962785] R13: ffff985c4241ff10 R14: ffff985c4241ff10 R15: ffff8b04435f7000 # [ 58.970741] FS: 00007f013c9fb580(0000) GS:ffff8b04bbd80000(0000) knlGS:0000000000000000 # [ 58.979758] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.986159] CR2: ffffffffa14d1430 CR3: 0000000103cec000 CR4: 00000000003506e0 # [ 58.994111] Call Trace: # [ 58.996845] direct_entry.cold+0x2c/0x38 # [ 59.001224] full_proxy_write+0x56/0x80 # [ 59.005502] vfs_write+0xea/0x3a0 # [ 59.009195] ksys_write+0x68/0xf0 # [ 59.012890] do_syscall_64+0x33/0x40 # [ 59.016874] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 59.022503] RIP: 0033:0x7f013c911833 # [ 59.026485] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 59.047404] RSP: 002b:00007ffd8e910728 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.055840] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f013c911833 # [ 59.063787] RDX: 0000000000000009 RSI: 00007f013c804000 RDI: 0000000000000001 # [ 59.071735] RBP: 00007f013c804000 R08: 00007f013c803010 R09: 0000000000000000[ 61.876337] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW [ 61.886389] lkdtm: attempting good refcount_add() without overflow # [ 59.079682] R10: fffffffffffffbc5 R11: 0000000000000246 R[ 61.893318] lkdtm: attempting bad refcount_add() overflow [ 61.905531] ------------[ cut here ]------------ [ 61.910701] refcount_t: saturated; leaking memory. 12: 0000000000000001 # [ 59.087630] R13: 0000000000000001 R14[ 61.916112] WARNING: CPU: 1 PID: 2015 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 [ 61.931724] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 61.947672] CPU: 1 PID: 2015 Comm: cat Tainted: G D W 5.10.164-cip24 #1 : 0000000000020000 R15: 0000000000020000 # [ 59.095588] Modul[ 61.956354] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 61.969141] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 61.974986] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 52 ef 93 01 00 75 ee 48 c7 c7 08 f3 84 a1 c6 05 42 ef 93 01 01 e8 56 97 95 00 <0f> 0b c3 cc cc cc cc 80 3d 2e ef 93 01 00 75 cb 48 c7 c7 30 f3 84 [ 61.995919] RSP: 0018:ffff985c42647e48 EFLAGS: 00010286 [ 62.001762] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 [ 62.009731] RDX: ffff8b04bbcac660 RSI: ffff8b04bbc9bf70 RDI: ffff8b04bbc9bf70 [ 62.017700] RBP: ffffffffa18b3c93 R08: 0000000000000000 R09: 0000000000000000 [ 62.025671] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 62.033637] R13: ffff985c42647f10 R14: ffff985c42647f10 R15: ffff8b0444fa7000 [ 62.041610] FS: 00007ff504661580(0000) GS:ffff8b04bbc80000(0000) knlGS:0000000000000000 [ 62.050644] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.057060] CR2: 00007ff50446a000 CR3: 0000000105c36000 CR4: 00000000003506e0 [ 62.065029] Call Trace: [ 62.067781] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 [ 62.073146] direct_entry.cold+0x2c/0x38 [ 62.077545] full_proxy_write+0x56/0x80 [ 62.081842] vfs_write+0xea/0x3a0 [ 62.085558] ksys_write+0x68/0xf0 [ 62.089275] do_syscall_64+0x33/0x40 [ 62.093281] entry_SYSCALL_64_after_hwframe+0x61/0xc6 es linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_[ 62.098933] RIP: 0033:0x7ff504577833 [ 62.109095] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 62.130030] RSP: 002b:00007ffe6cefd268 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 62.138486] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007ff504577833 [ 62.146442] RDX: 0000000000000016 RSI: 00007ff50446a000 RDI: 0000000000000001 [ 62.154405] RBP: 00007ff50446a000 R08: 00007ff504469010 R09: 0000000000000000 ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cro[ 62.162368] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 62.176527] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 s_usbpd_notify # [ 59.111516] CR2: ffffffffa14d1430 # [ 59[ 62.184505] irq event stamp: 0 [ 62.194106] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 62.201112] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 62.210244] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 62.219372] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 62.226370] ---[ end trace f681458b8048e90d ]--- [ 62.231528] lkdtm: Overflow detected: saturated .115211] ---[ end trace f681458b8048e909 ]--- # [ 59.120364] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 59.124737] Code: 89 ff e8 9e 6a a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 65 92 02 # [ 59.145646] RSP: 0018:ffff985c41247e60 EFLAGS: 00010282 # [ 59.151465] RAX: ffffffffa06e40d0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 59.159413] RDX: 0000000000000000 RSI: ffff8b04bbc9bf70 RDI: ffffffffa14d0fb0 # [ 59.167361] RBP: ffffffffa190f118 R08: 0000000000000001 R09: 0000000000000001 # [ 59.175312] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 59.183264] R13: ffff985c41247f10 R14: ffff985c41247f10 R15: ffff8b0444e4e000 # [ 59.191218] FS: 00007f013c9fb580(0000) GS:ffff8b04bbd80000(0000) knlGS:0000000000000000 # [ 59.200236] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.206636] CR2: ffffffffa14d1430 CR3: 0000000103cec000 CR4: 00000000003506e0 # WRITE_RO: saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # Killed # [ 59.574806] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 59.586653] lkdtm: attempting bad ro_after_init write at ffffffffa1930330 # [ 59.594268] BUG: unable to handle page fault for address: ffffffffa1930330 # [ 59.608120] #PF: supervisor write access in kernel mode # [ 59.613940] #PF: error_code(0x0003) - permissions violation # [ 59.620152] PGD 129e29067 P4D 129e29067 PUD 129e2a063 PMD 104bf0163 PTE 8000000129d30061 # [ 59.635359] Oops: 0003 [#15] SMP PTI # [ 59.639347] CPU: 2 PID: 1913 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 59.654150] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 59.660754] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 59.666771] Code: 4a 8b a1 e9 3c 98 fd ff 48 c7 c7 c0 4a 8b a1 e8 30 98 fd ff 48 8b 05 93 b9 be 00 ba 34 12 cd ab 48 c7 c7 68 4a 8b a1 48 31 d0 <48> 89 05 7d b9 be 00 e9 0e 98 fd ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 59.687681] RSP: 0018:ffff985c42467e60 EFLAGS: 00010202 # [ 59.693500] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 # [ 59.701449] RDX: 00000000abcd1234 RSI: ffff8b04bbd1bf70 RDI: ffffffffa18b4a68 # [ 59.709400] RBP: ffffffffa18b3c5e R08: 0000000000000000 R09: 0000000000000000 # [ 59.717345] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 # [ 59.725291] R13: ffff985c42467f10 R14: ffff985c42467f10 R15: ffff8b0443525000 # [ 59.733242] FS: 00007f3caace5580(0000) GS:ffff8b04bbd00000(0000) knlGS:0000000000000000 # [ 59.742258] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.748660] CR2: ffffffffa1930330 CR3: 00000001054ce000 CR4: 00000000003506e0 # [ 59.756603] Call Trace: # [ 59.759336] direct_entry.cold+0x2c/0x38 # [ 59.763714] full_proxy_write+0x56/0x80 # [ 59.767989] vfs_write+0xea/0x3a0 # [ 59.771681] ksys_write+0x68/0xf0 # [ 59.775376] do_syscall_64+0x33/0x40 # [ 59.779361] entry_SYSCALL_64_after_hwframe+0x61/0[ 62.538407] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW xc6 # [ 59.784989] RIP: 0033:0x7f3caabfb833 # [ 59.788971][ 62.547735] lkdtm: attempting bad refcount_inc_not_zero() overflow Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb [ 62.560844] ------------[ cut here ]------------ b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0[ 62.572190] refcount_t: saturated; leaking memory. f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 [ 62.583751] WARNING: CPU: 3 PID: 2047 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 54 24 18 # [ 59.809878] RSP: 002b:00007fffca0e63c8 EFLAGS: 00[ 62.599319] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 000246 ORIG_RAX: 0000000000000001 # [ 59.818316] RAX: fffffff[ 62.621502] CPU: 3 PID: 2047 Comm: cat Tainted: G D W 5.10.164-cip24 #1 fffffffda RBX: 0000000000000014 RCX: 00007f3caabfb833 # [ 59.[ 62.636278] Hardware name: Google Coral/Coral, BIOS 09/29/2020 826264] RDX: 0000000000000014 RSI: 00007f3caaaee000 RDI: 0000000[ 62.649060] RIP: 0010:refcount_warn_saturate+0x97/0x110 000000001 # [ 59.834213] RBP: 00007f3caaaee000 R08: 00007f3ca[ 62.661107] Code: 01 01 e8 33 97 95 00 0f 0b c3 cc cc cc cc 80 3d 0d ef 93 01 00 75 a8 48 c7 c7 08 f3 84 a1 c6 05 fd ee 93 01 01 e8 10 97 95 00 <0f> 0b c3 cc cc cc cc 80 3d e7 ee 93 01 00 75 85 48 c7 c7 60 f3 84 aaed010 R09: 0000000000000000 # [ 59.842163] R10: fffffffffff[ 62.688246] RSP: 0018:ffff985c426cfe38 EFLAGS: 00010282 ffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 59.8501[ 62.700255] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 15] R13: 0000000000000001 R14: 0000000000020000 R15: 00000000000[ 62.714428] RDX: ffff8b04bbdac660 RSI: ffff8b04bbd9bf70 RDI: ffff8b04bbd9bf70 20000 # [ 59.858077] Modules linked in: fuse ip_tables cros_e[ 62.728555] RBP: ffffffffa18b38d0 R08: 0000000000000000 R09: 0000000000000000 c_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg[ 62.742713] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f _temp_thermal cros_ec_dev cros_usbpd_notify # [ 59.873997] CR[ 62.756898] R13: ffff985c426cff10 R14: ffff985c426cff10 R15: ffff8b044549c000 2: ffffffffa1930330 # [ 59.877695] ---[ end trace f681458b804[ 62.771018] FS: 00007f41f3705580(0000) GS:ffff8b04bbd80000(0000) knlGS:0000000000000000 8e90a ]--- # [ 59.882845] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ [ 62.786251] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 59.887215] Code: 89 ff e8 9e 6a a3 ff 48 c7 c0 ea ff ff ff eb d[ 62.798839] CR2: 00007f41f350e000 CR3: 00000001040c2000 CR4: 00000000003506e0 e 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9[ 62.813012] Call Trace: 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 0[ 62.821938] __refcount_add_not_zero.constprop.0+0x2a/0x35 0 83 05 80 65 92 02 # [ 59.908133] RSP: 0018:ffff985c41247e60[ 62.834324] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 EFLAGS: 00010282 # [ 59.913958] RAX: ffffffffa06e40d0 RBX: 0[ 62.847001] direct_entry.cold+0x2c/0x38 000000000000001 RCX: 0000000000000000 # [ 59.921904] RDX: 000[ 62.857310] full_proxy_write+0x56/0x80 0000000000000 RSI: ffff8b04bbc9bf70 RDI: ffffffffa14d0fb0 # [ [ 62.867934] vfs_write+0xea/0x3a0 59.929850] RBP: ffffffffa190f118 R08: 0000000000000001 R09: 000[ 62.877820] ksys_write+0x68/0xf0 0000000000001 # [ 59.937795] R10: 00000000ffffe000 R11: 3ffff[ 62.887672] do_syscall_64+0x33/0x40 fffffffffff R12: 0000000000000004 # [ 59.945739] R13: ffff985[ 62.897782] entry_SYSCALL_64_after_hwframe+0x61/0xc6 c41247f10 R14: ffff985c41247f10 R15: ffff8b0444e4e000 # [ 59.[ 62.909651] RIP: 0033:0x7f41f361b833 953688] FS: 00007f3caace5580(0000) GS:ffff8b04bbd00000(0000) kn[ 62.919786] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 lGS:0000000000000000 # [ 59.962698] CS: 0010 DS: 0000 ES: 00[ 62.946921] RSP: 002b:00007ffe2aac1288 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 00 CR0: 0000000080050033 # [ 59.969095] CR2: ffffffffa1930330[ 62.961569] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f41f361b833 CR3: 00000001054ce000 CR4: 00000000003506e0 # [ 59.977043] B[ 62.975725] RDX: 000000000000001f RSI: 00007f41f350e000 RDI: 0000000000000001 UG: sleeping function called from invalid context at include/lin[ 62.989866] RBP: 00007f41f350e000 R08: 00007f41f350d010 R09: 0000000000000000 ux/percpu-rwsem.h:49 # [ 59.986926] in_atomic(): 0, irqs_disa[ 63.004036] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 bled(): 1, non_block: 0, pid: 1913, name: cat # [ 59.995356] [ 63.018198] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 INFO: lockdep is turned off. # [ 59.999722] irq event stamp: [ 63.032415] irq event stamp: 0 0 # [ 60.003121] hardirqs last enabled at (0): [<00000000000[ 63.041929] hardirqs last enabled at (0): [<0000000000000000>] 0x0 00000>] 0x0 # [ 60.010102] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 fffffff9ff00cb4>] copy_process+0x664/0x1cb0 # [ 60.019210] so[ 63.070520] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 ftirqs last enabled at (0): [] copy_process+0[ 63.085851] softirqs last disabled at (0): [<0000000000000000>] 0x0 x664/0x1cb0 # [ 60.028318] softirqs last disabled at (0): [<0[ 63.098971] ---[ end trace f681458b8048e90e ]--- 000000000000000>] 0x0 # [ 60.035300] CPU: 2 PID: 1913 Comm: c[ 63.110336] lkdtm: Overflow detected: saturated at Tainted: G D W 5.10.164-cip24 #1 # [ 60.043922] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 60.050511] Call Trace: # [ 60.053242] dump_stack+0x77/0x9b # [ 60.056941] ___might_sleep.cold+0xa6/0xb6 # [ 60.061509] exit_signals+0x1c/0x2e0 # [ 60.065493] do_exit+0xc2/0xaf0 # [ 60.068994] ? ksys_write+0x68/0xf0 # [ 60.072883] rewind_stack_do_exit+0x17/0x20 # [ 60.077539] RIP: 0033:0x7f3caabfb833 # [ 60.081519] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 60.102426] RSP: 002b:00007fffca0e63c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.110863] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f3caabfb833 # [ 60.118809] RDX: 0000000000000014 RSI: 00007f3caaaee000 RDI: 0000000000000001 # [ 60.126753] RBP: 00007f3caaaee000 R08: 00007f3caaaed010 R09: 0000000000000000 # [ 60.134695] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 60.142641] 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 # [ 60.476873] lkdtm: Performing direct entry WRITE_KERN # [ 60.484741] lkdtm: attempting bad 6685725 byte write at ffffffffa0d448bd # [ 60.498465] BUG: unable to handle page fault for address: ffffffffa0d448bd # [ 60.512220] #PF: supervisor write access in kernel mode # [ 60.518037] #PF: error_code(0x0003) - permissions violation # [ 60.524240] PGD 129e29067 P4D 129e29067 PUD 129e2a063 PMD 1290001e1 # [ 60.531329] Oops: 0003 [#16] SMP PTI # [ 60.535309] CPU: 3 PID: 1948 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 60.543932] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 60.550541] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 60.555687] Code: 53 48 c7 c3 bd 48 d4 a0 49 89 dc 48 89 da 49 81 ec a0 44 6e a0 4c 89 e6 e8 e3 97 fd ff 48 89 df 4c 89 e1 48 c7 c6 a0 44 6e a0 a4 48 c7 c7 68 4a 8b a1 e8 c8 97 fd ff 5b 41 5c e9 b7 fe ff ff # [ 60.576607] RSP: 0018:ffff985c4251fe50 EFLAGS: 00010246 # [ 60.582427] RAX: 000000000000003c RBX: ffffffffa0d448bd RCX: 000000000066041d # [ 60.590376] RDX: 0000000000000000 RSI: ffffffffa06e44a0 RDI: ffffffffa0d448bd # [ 60.598321] RBP: ffffffffa18b3c72 R08: 0000000000000000 R09: 0000000000000000 # [ 60.606271] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000066041d # [ 60.614221] R13: ffff985c4251ff10 R14: ffff985c4251ff10 R15: ffff8b044421d000 # [ 60.622172] FS: 00007fbd95a2f580(0000) GS:ffff8b04bbd80000(0000) knlGS:0000000000000000 # [ 60.631190] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.637592] CR2: ffffffffa0d448bd CR3: 0000000105d6e000 CR4: 00000000003506e0 # [ 60.645539] Call Trace: # [ 60.648272] direct_entry.cold+0x2c/0x38 # [ 60.652647] full_proxy_write+0x56/0x80 [ 63.412789] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 60.656925] vfs_write+0xea/0x3a0 # [ 60.660617] ksys_[ 63.426463] lkdtm: attempting bad refcount_add_not_zero() overflow write+0x68/0xf0 # [ 60.664314] do_syscall_64+0x33/0x40 # [ [ 63.439584] ------------[ cut here ]------------ 60.668297] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 60[ 63.450953] refcount_t: saturated; leaking memory. .673921] RIP: 0033:0x7fbd95945833 # [ 60.677904] Code: 8b 15 [ 63.462535] WARNING: CPU: 0 PID: 2079 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 6[ 63.478097] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 63.500227] CPU: 0 PID: 2079 Comm: cat Tainted: G D W 5.10.164-cip24 #1 4 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d [ 63.508925] Hardware name: Google Coral/Coral, BIOS 09/29/2020 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [[ 63.521731] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 63.533751] Code: 01 01 e8 33 97 95 00 0f 0b c3 cc cc cc cc 80 3d 0d ef 93 01 00 75 a8 48 c7 c7 08 f3 84 a1 c6 05 fd ee 93 01 01 e8 10 97 95 00 <0f> 0b c3 cc cc cc cc 80 3d e7 ee 93 01 00 75 85 48 c7 c7 60 f3 84 [ 63.554677] RSP: 0018:ffff985c4275fe38 EFLAGS: 00010282 [ 63.560521] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 63.568492] RDX: ffff8b04bbc2c660 RSI: ffff8b04bbc1bf70 RDI: ffff8b04bbc1bf70 [ 63.576463] RBP: ffffffffa18b38f0 R08: 0000000000000000 R09: 0000000000000000 [ 63.584432] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 63.592404] R13: ffff985c4275ff10 R14: ffff985c4275ff10 R15: ffff8b04454b1000 [ 63.600373] FS: 00007f5c773aa580(0000) GS:ffff8b04bbc00000(0000) knlGS:0000000000000000 [ 63.609402] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.615823] CR2: 00007f5c771b3000 CR3: 0000000102f8c000 CR4: 00000000003506f0 [ 63.623793] Call Trace: [ 63.626547] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 63.632690] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 [ 63.638929] direct_entry.cold+0x2c/0x38 [ 63.643329] full_proxy_write+0x56/0x80 [ 63.647621] vfs_write+0xea/0x3a0 [ 63.651338] ksys_write+0x68/0xf0 [ 63.655057] do_syscall_64+0x33/0x40 [ 63.659064] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 63.664715] RIP: 0033:0x7f5c772c0833 [ 63.668722] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 63.689667] RSP: 002b:00007ffd7d0b6358 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 63.698128] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f5c772c0833 [ 63.706100] RDX: 000000000000001f RSI: 00007f5c771b3000 RDI: 0000000000000001 [ 63.714073] RBP: 00007f5c771b3000 R08: 00007f5c771b2010 R09: 0000000000000000 [ 63.722047] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 60.698828] RSP: 002b:00007ffe0a8bed48 EFLAGS: 00000246 ORIG_R[ 63.730027] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 AX: 0000000000000001 # [ 60.707264] RAX: ffffffffffffffda RBX[ 63.744200] irq event stamp: 0 [ 63.753787] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 63.760801] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 63.769939] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 63.779069] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 63.786073] ---[ end trace f681458b8048e90f ]--- [ 63.791239] lkdtm: Overflow detected: saturated : 000000000000000b RCX: 00007fbd95945833 # [ 60.715209] RDX: 000000000000000b RSI: 00007fbd95838000 RDI: 0000000000000001 # [ 60.723153] RBP: 00007fbd95838000 R08: 00007fbd95837010 R09: 0000000000000000 # [ 60.731099] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 60.739043] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 60.747001] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 60.762917] CR2: ffffffffa0d448bd # [ 60.766609] ---[ end trace f681458b8048e90b ]--- # [ 60.771757] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 60.776129] Code: 89 ff e8 9e 6a a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 65 92 02 # [ 60.797044] RSP: 0018:ffff985c41247e60 EFLAGS: 00010282 # [ 60.802867] RAX: ffffffffa06e40d0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 60.810815] RDX: 0000000000000000 RSI: ffff8b04bbc9bf70 RDI: ffffffffa14d0fb0 # [ 60.818764] RBP: ffffffffa190f118 R08: 0000000000000001 R09: 0000000000000001 # [ 60.826709] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 60.834653] R13: ffff985c41247f10 R14: ffff985c41247f10 R15: ffff8b0444e4e000 # [ 60.842601] FS: 00007fbd95a2f580(0000) GS:ffff8b04bbd80000(0000) knlGS:0000000000000000 # [ 60.851611] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.858008] CR2: ffffffffa0d448bd CR3: 0000000105d6e000 CR4: 00000000003506e0 # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # [ 61.232284] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 61.244373] lkdtm: attempting good refcount_inc() without overflow # [ 61.251278] lkdtm: attempting bad refcount_inc() overflow # [ 61.257315] ------------[ cut here ]------------ # [ 61.268662] refcount_t: saturated; leaking memory. # [ 61.280260] WARNING: CPU: 1 PID: 1983 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 61.289680] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 61.305622] CPU: 1 PID: 1983 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 61.314264] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 61.320930] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 61.326802] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 52 ef 93 01 00 75 ee 48 c7 c7 08 f3 84 a1 c6 05 42 ef 93 01 01 e8 56 97 95 00 <0f> 0b c3 cc cc cc cc 80 3d 2e ef 93 01 00 75 cb 48 c7 c7 30 f3 84 # [ 61.353867] RSP: 0018:ffff985c425bfe48 EFLAGS: 00010286 # [ 61.359711] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 # [ 61.367671] RDX: ffff8b04bbcac660 RSI: ffff8b04bbc9bf70 RDI: ffff8b04bbc9bf70 # [ 61.375638] RBP: ffffffffa18b3c7d R08: 0000000000000000 R09: 0000000000000000 # [ 61.383610] R10: 00000000ffffe000 R1[ 64.097489] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO 1: 3fffffffffffffff R12: 0000000000000016 # [ 61.391579] R13:[ 64.106209] lkdtm: attempting good refcount_dec() ffff985c425bff10 R14: ffff985c425bff10 R15: ffff8b0443e54000 #[ 64.117632] lkdtm: attempting bad refcount_dec() to zero [ 61.399553] FS: 00007fc8c02e2580(0000) GS:ffff8b04bbc80000([ 64.129800] ------------[ cut here ]------------ 0000) knlGS:0000000000000000 # [ 61.408587] CS: 0010 DS: 000[ 64.141384] refcount_t: decrement hit 0; leaking memory. 0 ES: 0000 CR0: 0000000080050033 # [ 61.415006] CR2: 00007fc8[ 64.153306] WARNING: CPU: 3 PID: 2111 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 c00eb000 CR3: 0000000104f14000 CR4: 00000000003506e0 # [ 61.4[ 64.169046] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 22977] Call Trace: # [ 61.425732] lkdtm_REFCOUNT_INC_OVERFLO[ 64.191161] CPU: 3 PID: 2111 Comm: cat Tainted: G D W 5.10.164-cip24 #1 W+0x70/0x98 # [ 61.431100] direct_entry.cold+0x2c/0x38 # [ [ 64.205968] Hardware name: Google Coral/Coral, BIOS 09/29/2020 61.435496] full_proxy_write+0x56/0x80 # [ 61.439799] vfs_[ 64.218656] RIP: 0010:refcount_warn_saturate+0xfb/0x110 write+0xea/0x3a0 # [ 61.443519] ksys_write+0x68/0xf0 # [ [ 64.230777] Code: b8 f3 84 a1 c6 05 ae ee 93 01 01 e8 c6 96 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 88 f3 84 a1 c6 05 95 ee 93 01 01 e8 ac 96 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 61.447230] do_syscall_64+0x33/0x40 # [ 61.451239] entry_SYS[ 64.257747] RSP: 0018:ffff985c427dfe48 EFLAGS: 00010286 CALL_64_after_hwframe+0x61/0xc6 # [ 61.456890] RIP: 0033:0x7f[ 64.269867] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 c8c01f8833 # [ 61.460893] Code: 8b 15 61 26 0e 00 f7 d8 64 89[ 64.283940] RDX: ffff8b04bbdac660 RSI: ffff8b04bbd9bf70 RDI: ffff8b04bbd9bf70 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 [ 64.298117] RBP: ffffffffa18b3ca9 R08: 0000000000000000 R09: 0000000000000000 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f[ 64.312258] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 61.481827] RSP: 002b[ 64.326434] R13: ffff985c427dff10 R14: ffff985c427dff10 R15: ffff8b04440c2000 :00007ffed4687118 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 #[ 64.340554] FS: 00007fd2878a0580(0000) GS:ffff8b04bbd80000(0000) knlGS:0000000000000000 [ 61.490283] RAX: ffffffffffffffda RBX: 0000000000000016 RCX:[ 64.355791] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 00007fc8c01f8833 # [ 61.504448] RDX: 0000000000000016 RSI: 0[ 64.368388] CR2: 00007fd2876a9000 CR3: 0000000105d0a000 CR4: 00000000003506e0 0007fc8c00eb000 RDI: 0000000000000001 # [ 61.512420] RBP: 000[ 64.382562] Call Trace: 07fc8c00eb000 R08: 00007fc8c00ea010 R09: 0000000000000000 # [ [ 64.391476] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd 61.520387] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 000[ 64.402650] direct_entry.cold+0x2c/0x38 0000000000001 # [ 61.528352] R13: 0000000000000001 R14: 00000[ 64.413168] full_proxy_write+0x56/0x80 00000020000 R15: 0000000000020000 # [ 61.536339] irq event st[ 64.423620] vfs_write+0xea/0x3a0 amp: 0 # [ 61.545952] hardirqs last enabled at (0): [<000000[ 64.433512] ksys_write+0x68/0xf0 0000000000>] 0x0 # [ 61.559134] hardirqs last disabled at (0)[ 64.443503] do_syscall_64+0x33/0x40 : [] copy_process+0x664/0x1cb0 # [ 61.57445[ 64.453639] entry_SYSCALL_64_after_hwframe+0x61/0xc6 1] softirqs last enabled at (0): [] copy_proc[ 64.465456] RIP: 0033:0x7fd2877b6833 ess+0x664/0x1cb0 # [ 61.583585] softirqs last disabled at (0)[ 64.475673] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 : [<0000000000000000>] 0x0 # [ 61.590585] ---[ end trace f681[ 64.502757] RSP: 002b:00007ffdd08af158 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 458b8048e90c ]--- # [ 61.595749] lkdtm: Overflow detected: sa[ 64.517421] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fd2877b6833 turated # REFCOUNT_INC_OVERFLOW: saw 'call trace:': ok ok 42 s[ 64.531541] RDX: 0000000000000012 RSI: 00007fd2876a9000 RDI: 0000000000000001 elftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # selftests: lkdtm: R[ 64.545759] RBP: 00007fd2876a9000 R08: 00007fd2876a8010 R09: 0000000000000000 EFCOUNT_ADD_OVERFLOW.sh # [ 61.876337] lkdtm: Performing dire[ 64.559872] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 ct entry REFCOUNT_ADD_OVERFLOW # [ 61.886389] lkdtm: attempti[ 64.574034] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ng good refcount_add() without overflow # [ 61.893318] lkdtm:[ 64.588197] irq event stamp: 0 attempting bad refcount_add() overflow # [ 61.905531] ------[ 64.597775] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ------[ cut here ]------------ # [ 61.910701] refcount_t: sat[ 64.610988] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 urated; leaking memory. # [ 61.916112] WARNING: CPU: 1 PID: 2[ 64.626285] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 015 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ [ 64.641622] softirqs last disabled at (0): [<0000000000000000>] 0x0 61.931724] Modules linked in: fuse ip_tables cros_ec_sysfs cro[ 64.654790] ---[ end trace f681458b8048e910 ]--- s_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_therm[ 64.666165] lkdtm: Zero detected: saturated al cros_ec_dev cros_usbpd_notify # [ 61.947672] CPU: 1 PID: 2015 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 61.956354] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 61.969141] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 61.974986] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 52 ef 93 01 00 75 ee 48 c7 c7 08 f3 84 a1 c6 05 42 ef 93 01 01 e8 56 97 95 00 <0f> 0b c3 cc cc cc cc 80 3d 2e ef 93 01 00 75 cb 48 c7 c7 30 f3 84 # [ 61.995919] RSP: 0018:ffff985c42647e48 EFLAGS: 00010286 # [ 62.001762] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 62.009731] RDX: ffff8b04bbcac660 RSI: ffff8b04bbc9bf70 RDI: ffff8b04bbc9bf70 # [ 62.017700] RBP: ffffffffa18b3c93 R08: 0000000000000000 R09: 0000000000000000 # [ 62.025671] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 62.033637] R13: ffff985c42647f10 R14: ffff985c42647f10 R15: ffff8b0444fa7000 # [ 62.041610] FS: 00007ff504661580(0000) GS:ffff8b04bbc80000(0000) knlGS:0000000000000000 # [ 62.050644] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.057060] CR2: 00007ff50446a000 CR3: 0000000105c36000 CR4: 00000000003506e0 # [ 62.065029] Call Trace: # [ 62.067781] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 62.073146] direct_entry.cold+0x2c/0x38 # [ 62.077545] full_proxy_write+0x56/0x80 # [ 62.081842] vfs_write+0xea/0x3a0 # [ 62.085558] ksys_write+0x68/0xf0 # [ 62.089275] do_syscall_64+0x33/0x40 # [ 62.093281] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 62.098933] RIP: 0033:0x7ff504577833 # [ 62.109095] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 62.130030] RSP: 002b:00007ffe6cefd268 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.138486] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007ff504577833 # [ 62.146442] RDX: 0000000000000016 RSI: 00007ff50446a000 RDI: 0000000000000001 # [ 62.154405] RBP: 00007ff50446a000 R08: 00007ff504469010 R09: 0000000000000000 # [ 62.162368] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 62.176527] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 62.184505] irq event stamp: 0 # [ 62.194106] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 62.201112] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 62.210244] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 62.219372] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 62.226370] ---[ end trace f681458b8048e90d ]--- # [ 62.231528] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_OVERFLOW: saw 'call trace:': ok ok 43 selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # [ 62.538407] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 62.547735] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 62.560844] ------------[ cut here ]------------ # [ 62.572190] refcount_t: saturated; leaking memory. # [ 62.583751] WARNING: CPU: 3 PID: 2047 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 62.599319] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 62.621502] CPU: 3 PID: 2047 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 62.636278] Hardware name: Google Coral/Coral,[ 65.028357] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE [ 65.036715] lkdtm: attempting bad refcount_dec() below zero [ 65.042971] ------------[ cut here ]------------ [ 65.048140] refcount_t: decrement hit 0; leaking memory. [ 65.054127] WARNING: CPU: 2 PID: 2146 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 [ 65.063548] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 65.079490] CPU: 2 PID: 2146 Comm: cat Tainted: G D W 5.10.164-cip24 #1 [ 65.088146] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 65.094769] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 65.100613] Code: b8 f3 84 a1 c6 05 ae ee 93 01 01 e8 c6 96 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 88 f3 84 a1 c6 05 95 ee 93 01 01 e8 ac 96 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 65.121550] RSP: 0018:ffff985c4286fe48 EFLAGS: 00010286 [ 65.127396] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 [ 65.135364] RDX: ffff8b04bbd2c660 RSI: ffff8b04bbd1bf70 RDI: ffff8b04bbd1bf70 [ 65.143333] RBP: ffffffffa18b3cbb R08: 0000000000000000 R09: 0000000000000000 BIOS 09/29/2020 # [ 62.649060] RIP: 0010:refcount_warn_satu[ 65.151306] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 65.165443] R13: ffff985c4286ff10 R14: ffff985c4286ff10 R15: ffff8b04435f7000 [ 65.173412] FS: 00007f8f71065580(0000) GS:ffff8b04bbd00000(0000) knlGS:0000000000000000 [ 65.182447] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.188867] CR2: 00007f8f70e6e000 CR3: 0000000104f0e000 CR4: 00000000003506e0 [ 65.196837] Call Trace: [ 65.199586] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 [ 65.204954] direct_entry.cold+0x2c/0x38 [ 65.209355] full_proxy_write+0x56/0x80 [ 65.213659] vfs_write+0xea/0x3a0 [ 65.217384] ksys_write+0x68/0xf0 [ 65.221107] do_syscall_64+0x33/0x40 [ 65.225115] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 65.230770] RIP: 0033:0x7f8f70f7b833 [ 65.234774] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 65.255721] RSP: 002b:00007fffd64d3ae8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 65.264191] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f8f70f7b833 [ 65.272157] RDX: 0000000000000016 RSI: 00007f8f70e6e000 RDI: 0000000000000001 [ 65.280131] RBP: 00007f8f70e6e000 R08: 00007f8f70e6d010 R09: 0000000000000000 [ 65.288111] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 65.296084] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 rate+0x97/0x110 # [ 62.661107] Code: 01 01 e8 33 97 95 00 0f [ 65.304075] irq event stamp: 0 0b c3 cc cc cc cc 80 3d 0d ef 93 01 00 75 a8 48 c7 c7 08 f3 84 a[ 65.313657] hardirqs last enabled at (0): [<0000000000000000>] 0x0 1 c6 05 fd ee 93 01 01 e8 10 97 95 00 <0f> 0b c3 cc cc cc cc 80 [ 65.326840] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 65.342148] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 65.351292] softirqs last disabled at (0): [<0000000000000000>] 0x0 3d e7 ee 93 01 00 75 85 48 c7 c7 60 f3 84 # [ 62.688246] RSP:[ 65.358293] ---[ end trace f681458b8048e911 ]--- [ 65.369676] lkdtm: Negative detected: saturated 0018:ffff985c426cfe38 EFLAGS: 00010282 # [ 62.700255] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 62.714428] RDX: ffff8b04bbdac660 RSI: ffff8b04bbd9bf70 RDI: ffff8b04bbd9bf70 # [ 62.728555] RBP: ffffffffa18b38d0 R08: 0000000000000000 R09: 0000000000000000 # [ 62.742713] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 62.756898] R13: ffff985c426cff10 R14: ffff985c426cff10 R15: ffff8b044549c000 # [ 62.771018] FS: 00007f41f3705580(0000) GS:ffff8b04bbd80000(0000) knlGS:0000000000000000 # [ 62.786251] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.798839] CR2: 00007f41f350e000 CR3: 00000001040c2000 CR4: 00000000003506e0 # [ 62.813012] Call Trace: # [ 62.821938] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 62.834324] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 62.847001] direct_entry.cold+0x2c/0x38 # [ 62.857310] full_proxy_write+0x56/0x80 # [ 62.867934] vfs_write+0xea/0x3a0 # [ 62.877820] ksys_write+0x68/0xf0 # [ 62.887672] do_syscall_64+0x33/0x40 # [ 62.897782] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 62.909651] RIP: 0033:0x7f41f361b833 # [ 62.919786] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 62.946921] RSP: 002b:00007ffe2aac1288 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.961569] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f41f361b833 # [ 62.975725] RDX: 000000000000001f RSI: 00007f41f350e000 RDI: 0000000000000001 # [ 62.989866] RBP: 00007f41f350e000 R08: 00007f41f350d010 R09: 0000000000000000 # [ 63.004036] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 63.018198] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 63.032415] irq event stamp: 0 # [ 63.041929] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 63.055280] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 63.070520] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 63.085851] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 63.098971] ---[ end trace f681458b8048e90e ]--- # [ 63.110336] lkdtm: Overflow detected: saturated # REFCOUNT_INC_NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # [ 63.412789] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 63.426463] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 63.439584] ------------[ cut here ]------------ # [ 63.450953] refcount_t: saturated; leaking memory. # [ 63.462535] WARNING: CPU: 0 PID: 2079 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 63.478097] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 63.500227] CPU: 0 PID: 2079 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 63.508925] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 63.521731] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 63.533751] Code: 01 01 e8 33 97 95 00 0f 0b c3 cc cc cc cc 80[ 65.699926] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE [ 65.710862] lkdtm: attempting bad refcount_dec_and_test() below zero [ 65.717983] ------------[ cut here ]------------ 3d 0d ef 93 01 00 75 a8 48 c7 c7 08 f3 84 a1 c6 05 fd ee 93 01 [ 65.723144] refcount_t: underflow; use-after-free. [ 65.734737] WARNING: CPU: 1 PID: 2181 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 01 e8 10 97 95 00 <0f> 0b c3 cc cc cc cc 80 3d e7 ee 93 01 00 75[ 65.744164] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 65.766264] CPU: 1 PID: 2181 Comm: cat Tainted: G D W 5.10.164-cip24 #1 [ 65.774958] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 65.781607] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 65.787460] Code: 01 01 e8 10 97 95 00 0f 0b c3 cc cc cc cc 80 3d e7 ee 93 01 00 75 85 48 c7 c7 60 f3 84 a1 c6 05 d7 ee 93 01 01 e8 ed 96 95 00 <0f> 0b c3 cc cc cc cc 80 3d c2 ee 93 01 00 0f 85 5e ff ff ff 48 c7 [ 65.808411] RSP: 0018:ffff985c428d7e40 EFLAGS: 00010286 [ 65.814258] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 [ 65.822231] RDX: ffff8b04bbcac660 RSI: ffff8b04bbc9bf70 RDI: ffff8b04bbc9bf70 [ 65.830202] RBP: ffffffffa18b3910 R08: 0000000000000000 R09: 0000000000000000 [ 65.838174] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 65.846141] R13: ffff985c428d7f10 R14: ffff985c428d7f10 R15: ffff8b044291c000 [ 65.854110] FS: 00007ff20ff96580(0000) GS:ffff8b04bbc80000(0000) knlGS:0000000000000000 [ 65.863143] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.869560] CR2: 00007ff20fd9f000 CR3: 0000000104fd8000 CR4: 00000000003506e0 [ 65.877528] Call Trace: [ 65.880280] __refcount_sub_and_test.constprop.0+0x3c/0x50 85 48 c7 c7 60 f3 84 # [ 63.554677] RSP: 0018:ffff985c4275fe[ 65.886414] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 [ 65.898815] direct_entry.cold+0x2c/0x38 [ 65.903211] full_proxy_write+0x56/0x80 [ 65.907510] vfs_write+0xea/0x3a0 [ 65.911227] ksys_write+0x68/0xf0 [ 65.914945] do_syscall_64+0x33/0x40 [ 65.918948] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 65.924598] RIP: 0033:0x7ff20feac833 [ 65.928599] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 65.949537] RSP: 002b:00007ffdcf115088 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 65.957996] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007ff20feac833 [ 65.965964] RDX: 000000000000001f RSI: 00007ff20fd9f000 RDI: 0000000000000001 [ 65.973930] RBP: 00007ff20fd9f000 R08: 00007ff20fd9e010 R09: 0000000000000000 [ 65.981898] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 65.989866] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 38 EFLAGS: 00010282 # [ 63.560521] RAX: 0000000000000000 RBX:[ 65.997854] irq event stamp: 0 000000007fffffff RCX: 0000000000000000 # [ 63.568492] RDX: f[ 66.007440] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 66.020637] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 66.029775] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 66.038913] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 66.045915] ---[ end trace f681458b8048e912 ]--- [ 66.051079] lkdtm: Negative detected: saturated fff8b04bbc2c660 RSI: ffff8b04bbc1bf70 RDI: ffff8b04bbc1bf70 # [ 63.576463] RBP: ffffffffa18b38f0 R08: 0000000000000000 R09: 0000000000000000 # [ 63.584432] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 63.592404] R13: ffff985c4275ff10 R14: ffff985c4275ff10 R15: ffff8b04454b1000 # [ 63.600373] FS: 00007f5c773aa580(0000) GS:ffff8b04bbc00000(0000) knlGS:0000000000000000 # [ 63.609402] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.615823] CR2: 00007f5c771b3000 CR3: 0000000102f8c000 CR4: 00000000003506f0 # [ 63.623793] Call Trace: # [ 63.626547] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 63.632690] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 63.638929] direct_entry.cold+0x2c/0x38 # [ 63.643329] full_proxy_write+0x56/0x80 # [ 63.647621] vfs_write+0xea/0x3a0 # [ 63.651338] ksys_write+0x68/0xf0 # [ 63.655057] do_syscall_64+0x33/0x40 # [ 63.659064] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 63.664715] RIP: 0033:0x7f5c772c0833 # [ 63.668722] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 63.689667] RSP: 002b:00007ffd7d0b6358 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.698128] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f5c772c0833 # [ 63.706100] RDX: 000000000000001f RSI: 00007f5c771b3000 RDI: 0000000000000001 # [ 63.714073] RBP: 00007f5c771b3000 R08: 00007f5c771b2010 R09: 0000000000000000 # [ 63.722047] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 63.730027] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 63.744200] irq event stamp: 0 # [ 63.753787] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 63.760801] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 63.769939] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 63.779069] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 63.786073] ---[ end trace f681458b8048e90f ]--- # [ 63.791239] 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 # [ 64.097489] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 64.106209] lkdtm: attempting good refcount_dec() # [ 64.117632] lkdtm: attempting bad refcount_dec() to zero # [ 64.129800] ------------[ cut here ]------------ # [ 64.141384] refcount_t: decrement hit 0; leaking memory. # [ 64.153306] WARNING: CPU: 3 PID: 2111 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 64.169046] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 64.191161] CPU: 3 PID: 2111 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 64.205968] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 64.218656] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 64.230777] Code: b8 f3 84 a1 c6 05 ae ee 93 01 01 e8 c6 96 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 88 f3 84 a1 c6 05 95 ee 93 01 01 e8 ac 96 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 64.257747] RSP: 0018:ffff985c[ 66.388263] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE [ 66.398476] lkdtm: attempting bad refcount_sub_and_test() below zero [ 66.405595] ------------[ cut here ]------------ 427dfe48 EFLAGS: 00010286 # [ 64.269867] RAX: 000000000000000[ 66.410762] refcount_t: underflow; use-after-free. 0 RBX: 000000000000002f RCX: 0000000000000000 # [ 64.283940] [ 66.422351] WARNING: CPU: 2 PID: 2216 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 [ 66.437905] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 66.453849] CPU: 2 PID: 2216 Comm: cat Tainted: G D W 5.10.164-cip24 #1 [ 66.462538] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 66.469198] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 66.475044] Code: 01 01 e8 10 97 95 00 0f 0b c3 cc cc cc cc 80 3d e7 ee 93 01 00 75 85 48 c7 c7 60 f3 84 a1 c6 05 d7 ee 93 01 01 e8 ed 96 95 00 <0f> 0b c3 cc cc cc cc 80 3d c2 ee 93 01 00 0f 85 5e ff ff ff 48 c7 [ 66.495992] RSP: 0018:ffff985c4294fe40 EFLAGS: 00010286 [ 66.501838] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 [ 66.509814] RDX: ffff8b04bbd2c660 RSI: ffff8b04bbd1bf70 RDI: ffff8b04bbd1bf70 [ 66.517787] RBP: ffffffffa18b3930 R08: 0000000000000000 R09: 0000000000000000 [ 66.525762] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 66.533728] R13: ffff985c4294ff10 R14: ffff985c4294ff10 R15: ffff8b0444e7b000 [ 66.541701] FS: 00007fe19fc6a580(0000) GS:ffff8b04bbd00000(0000) knlGS:0000000000000000 [ 66.550740] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.557157] CR2: 00007fe19fa73000 CR3: 0000000105d6e000 CR4: 00000000003506e0 [ 66.565117] Call Trace: [ 66.567876] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 66.574017] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b [ 66.580257] direct_entry.cold+0x2c/0x38 [ 66.584661] full_proxy_write+0x56/0x80 [ 66.588965] vfs_write+0xea/0x3a0 [ 66.592686] ksys_write+0x68/0xf0 [ 66.596410] do_syscall_64+0x33/0x40 [ 66.600419] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 66.606077] RIP: 0033:0x7fe19fb80833 [ 66.610085] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 66.631039] RSP: 002b:00007ffc10bb26c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.639505] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fe19fb80833 [ 66.647480] RDX: 000000000000001f RSI: 00007fe19fa73000 RDI: 0000000000000001 [ 66.655442] RBP: 00007fe19fa73000 R08: 00007fe19fa72010 R09: 0000000000000000 [ 66.663417] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 66.671389] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 66.679378] irq event stamp: 0 RDX: ffff8b04bbdac660 RSI: ffff8b04bbd9bf70 RDI: ffff8b04bbd9bf7[ 66.682802] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0 # [ 64.298117] RBP: ffffffffa18b3ca9 R08: 0000000000000000 [ 66.695994] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 66.711314] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 66.720446] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 66.727450] ---[ end trace f681458b8048e913 ]--- [ 66.732616] lkdtm: Negative detected: saturated R09: 0000000000000000 # [ 64.312258] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 64.326434] R13: ffff985c427dff10 R14: ffff985c427dff10 R15: ffff8b04440c2000 # [ 64.340554] FS: 00007fd2878a0580(0000) GS:ffff8b04bbd80000(0000) knlGS:0000000000000000 # [ 64.355791] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.368388] CR2: 00007fd2876a9000 CR3: 0000000105d0a000 CR4: 00000000003506e0 # [ 64.382562] Call Trace: # [ 64.391476] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 64.402650] direct_entry.cold+0x2c/0x38 # [ 64.413168] full_proxy_write+0x56/0x80 # [ 64.423620] vfs_write+0xea/0x3a0 # [ 64.433512] ksys_write+0x68/0xf0 # [ 64.443503] do_syscall_64+0x33/0x40 # [ 64.453639] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 64.465456] RIP: 0033:0x7fd2877b6833 # [ 64.475673] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 64.502757] RSP: 002b:00007ffdd08af158 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 64.517421] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fd2877b6833 # [ 64.531541] RDX: 0000000000000012 RSI: 00007fd2876a9000 RDI: 0000000000000001 # [ 64.545759] RBP: 00007fd2876a9000 R08: 00007fd2876a8010 R09: 0000000000000000 # [ 64.559872] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 64.574034] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 64.588197] irq event stamp: 0 # [ 64.597775] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.610988] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 64.626285] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 64.641622] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.654790] ---[ end trace f681458b8048e910 ]--- # [ 64.666165] 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 # [ 65.028357] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 65.036715] lkdtm: attempting bad refcount_dec() below zero # [ 65.042971] ------------[ cut here ]------------ # [ 65.048140] refcount_t: decrement hit 0; leaking memory. # [ 65.054127] WARNING: CPU: 2 PID: 2146 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 65.063548] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 65.079490] CPU: 2 PID: 2146 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 65.088146] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 65.094769] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 65.100613] Code: b8 f3 84 a1 c6 05 ae ee 93 01 01 e8 c6 96 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 88 f3 84 a1 c6 05 95 ee 93 01 01 e8 ac 96 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 65.121550] RSP: 0018:ffff985c4286fe48 EFLAGS: 00010286 # [ 65.127396] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 65.135364] RDX: ffff8b04bbd2c6[ 67.058318] lkdtm: Performing direct entry REFCOUNT_INC_ZERO [ 67.066566] lkdtm: attempting safe refcount_inc_not_zero() from zero [ 67.073691] lkdtm: Good: zero detected [ 67.077892] lkdtm: Correctly stayed at zero [ 67.082573] lkdtm: attempting bad refcount_inc() from zero [ 67.088701] ------------[ cut here ]------------ [ 67.093868] refcount_t: addition on 0; use-after-free. [ 67.099664] WARNING: CPU: 1 PID: 2248 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 [ 67.109090] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 67.125059] CPU: 1 PID: 2248 Comm: cat Tainted: G D W 5.10.164-cip24 #1 [ 67.133716] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 67.140345] RIP: 0010:refcount_warn_saturate+0x74/0x110 [ 67.146205] Code: 01 01 e8 56 97 95 00 0f 0b c3 cc cc cc cc 80 3d 2e ef 93 01 00 75 cb 48 c7 c7 30 f3 84 a1 c6 05 1e ef 93 01 01 e8 33 97 95 00 <0f> 0b c3 cc cc cc cc 80 3d 0d ef 93 01 00 75 a8 48 c7 c7 08 f3 84 [ 67.167162] RSP: 0018:ffff985c429c7e48 EFLAGS: 00010286 [ 67.173009] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 [ 67.180990] RDX: ffff8b04bbcac660 RSI: ffff8b04bbc9bf70 RDI: ffff8b04bbc9bf70 [ 67.188972] RBP: ffffffffa18b3cd1 R08: 0000000000000000 R09: 0000000000000000 [ 67.196947] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 67.204920] R13: ffff985c429c7f10 R14: ffff985c429c7f10 R15: ffff8b04440ee000 [ 67.212898] FS: 00007f65b9d80580(0000) GS:ffff8b04bbc80000(0000) knlGS:0000000000000000 [ 67.221940] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.228368] CR2: 00007f65b9b89000 CR3: 00000001032aa000 CR4: 00000000003506e0 [ 67.236349] Call Trace: [ 67.239105] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 [ 67.244091] direct_entry.cold+0x2c/0x38 [ 67.248496] full_proxy_write+0x56/0x80 [ 67.252808] vfs_write+0xea/0x3a0 [ 67.256522] ksys_write+0x68/0xf0 [ 67.260245] do_syscall_64+0x33/0x40 [ 67.264257] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 67.269915] RIP: 0033:0x7f65b9c96833 [ 67.273923] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 67.294890] RSP: 002b:00007ffcb4eaaab8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 67.303359] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f65b9c96833 [ 67.311343] RDX: 0000000000000012 RSI: 00007f65b9b89000 RDI: 0000000000000001 [ 67.319325] RBP: 00007f65b9b89000 R08: 00007f65b9b88010 R09: 0000000000000000 60 RSI: ffff8b04bbd1bf70 RDI: ffff8b04bbd1bf70 # [ 65.143333][ 67.327306] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 RBP: ffffffffa18b3cbb R08: 0000000000000000 R09: 00000000000000[ 67.341489] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00 # [ 65.151306] R10: 00000000ffffe000 R11: 3fffffffffffffff[ 67.355656] irq event stamp: 0 [ 67.365262] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 67.372280] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 67.381427] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 67.390573] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 67.397619] ---[ end trace f681458b8048e914 ]--- [ 67.402820] lkdtm: Zero detected: saturated R12: 0000000000000016 # [ 65.165443] R13: ffff985c4286ff10 R14: ffff985c4286ff10 R15: ffff8b04435f7000 # [ 65.173412] FS: 00007f8f71065580(0000) GS:ffff8b04bbd00000(0000) knlGS:0000000000000000 # [ 65.182447] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.188867] CR2: 00007f8f70e6e000 CR3: 0000000104f0e000 CR4: 00000000003506e0 # [ 65.196837] Call Trace: # [ 65.199586] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 65.204954] direct_entry.cold+0x2c/0x38 # [ 65.209355] full_proxy_write+0x56/0x80 # [ 65.213659] vfs_write+0xea/0x3a0 # [ 65.217384] ksys_write+0x68/0xf0 # [ 65.221107] do_syscall_64+0x33/0x40 # [ 65.225115] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 65.230770] RIP: 0033:0x7f8f70f7b833 # [ 65.234774] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 65.255721] RSP: 002b:00007fffd64d3ae8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.264191] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f8f70f7b833 # [ 65.272157] RDX: 0000000000000016 RSI: 00007f8f70e6e000 RDI: 0000000000000001 # [ 65.280131] RBP: 00007f8f70e6e000 R08: 00007f8f70e6d010 R09: 0000000000000000 # [ 65.288111] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 65.296084] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.304075] irq event stamp: 0 # [ 65.313657] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.326840] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 65.342148] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 65.351292] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.358293] ---[ end trace f681458b8048e911 ]--- # [ 65.369676] lkdtm: Negative detected: saturated # REFCOUNT_DEC_NEGATIVE: saw 'Negative detected: saturated': ok ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # [ 65.699926] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 65.710862] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 65.717983] ------------[ cut here ]------------ # [ 65.723144] refcount_t: underflow; use-after-free. # [ 65.734737] WARNING: CPU: 1 PID: 2181 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 65.744164] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 65.766264] CPU: 1 PID: 2181 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 65.774958] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 65.781607] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 65.787460] Code: 01 01 e8 10 97 95 00 0f 0b c3 cc cc cc cc 80 3d e7 ee 93 01 00 75 85 48 c7 c7 60 f3 84 a1 c6 05 d7 ee 93 01 01 e8 ed 96 95 00 <0f> 0b c3 cc cc cc cc 80 3d c2 ee 93 01 00 0f 85 5e ff ff ff 48 c7 # [ 65.808411] RSP: 0018:ffff985c428d7e40 EFLAGS: 00010286 # [ 65.814258] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 #[ 67.721609] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO [ 65.822231] RDX: ffff8b04bbcac660 RSI: ffff8b04bbc9bf70 RDI:[ 67.730040] lkdtm: attempting safe refcount_add_not_zero() from zero ffff8b04bbc9bf70 # [ 65.830202] RBP: ffffffffa18b3910 R08: 0[ 67.743370] lkdtm: Good: zero detected 000000000000000 R09: 0000000000000000 # [ 65.838174] R10: 000[ 67.753786] lkdtm: Correctly stayed at zero 00000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ [ 67.764609] lkdtm: attempting bad refcount_add() from zero 65.846141] R13: ffff985c428d7f10 R14: ffff985c428d7f10 R15: fff[ 67.777213] ------------[ cut here ]------------ f8b044291c000 # [ 65.854110] FS: 00007ff20ff96580(0000) GS:f[ 67.788314] refcount_t: addition on 0; use-after-free. fff8b04bbc80000(0000) knlGS:0000000000000000 # [ 65.863143] C[ 67.800576] WARNING: CPU: 3 PID: 2280 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 S: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.86956[ 67.815850] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0] CR2: 00007ff20fd9f000 CR3: 0000000104fd8000 CR4: 000000000035[ 67.838127] CPU: 3 PID: 2280 Comm: cat Tainted: G D W 5.10.164-cip24 #1 06e0 # [ 65.877528] Call Trace: # [ 65.880280] __refcount[ 67.852917] Hardware name: Google Coral/Coral, BIOS 09/29/2020 _sub_and_test.constprop.0+0x3c/0x50 # [ 65.886414] lkdtm_REF[ 67.865702] RIP: 0010:refcount_warn_saturate+0x74/0x110 COUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 65.898815] direct_[ 67.877724] Code: 01 01 e8 56 97 95 00 0f 0b c3 cc cc cc cc 80 3d 2e ef 93 01 00 75 cb 48 c7 c7 30 f3 84 a1 c6 05 1e ef 93 01 01 e8 33 97 95 00 <0f> 0b c3 cc cc cc cc 80 3d 0d ef 93 01 00 75 a8 48 c7 c7 08 f3 84 entry.cold+0x2c/0x38 # [ 65.903211] full_proxy_write+0x56/0x[ 67.904819] RSP: 0018:ffff985c42a47e48 EFLAGS: 00010286 80 # [ 65.907510] vfs_write+0xea/0x3a0 # [ 65.911227] ks[ 67.916845] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 ys_write+0x68/0xf0 # [ 65.914945] do_syscall_64+0x33/0x40 #[ 67.931028] RDX: ffff8b04bbdac660 RSI: ffff8b04bbd9bf70 RDI: ffff8b04bbd9bf70 [ 65.918948] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ [ 67.945226] RBP: ffffffffa18b3ce3 R08: 0000000000000000 R09: 0000000000000000 65.924598] RIP: 0033:0x7ff20feac833 # [ 65.928599] Code: 8b [ 67.959250] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 0[ 67.973357] R13: ffff985c42a47f10 R14: ffff985c42a47f10 R15: ffff8b0444d3b000 0 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> [ 67.987681] FS: 00007f0e22cc5580(0000) GS:ffff8b04bbd80000(0000) knlGS:0000000000000000 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 68.002757] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.949537] RSP: 002b:00007ffdcf115088 EFLAGS: 00000246 ORI[ 68.015390] CR2: 00007f0e22ace000 CR3: 0000000104f7e000 CR4: 00000000003506e0 G_RAX: 0000000000000001 # [ 65.957996] RAX: ffffffffffffffda [ 68.029505] Call Trace: RBX: 000000000000001f RCX: 00007ff20feac833 # [ 65.965964] RD[ 68.038452] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 X: 000000000000001f RSI: 00007ff20fd9f000 RDI: 0000000000000001 [ 68.049641] direct_entry.cold+0x2c/0x38 # [ 65.973930] RBP: 00007ff20fd9f000 R08: 00007ff20fd9e010 R0[ 68.060198] full_proxy_write+0x56/0x80 9: 0000000000000000 # [ 65.981898] R10: fffffffffffffbc5 R11:[ 68.070664] vfs_write+0xea/0x3a0 0000000000000246 R12: 0000000000000001 # [ 65.989866] R13: 0[ 68.080623] ksys_write+0x68/0xf0 000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [[ 68.090506] do_syscall_64+0x33/0x40 65.997854] irq event stamp: 0 # [ 66.007440] hardirqs last[ 68.100656] entry_SYSCALL_64_after_hwframe+0x61/0xc6 enabled at (0): [<0000000000000000>] 0x0 # [ 66.020637] har[ 68.112522] RIP: 0033:0x7f0e22bdb833 dirqs last disabled at (0): [] copy_process+0x[ 68.122692] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 664/0x1cb0 # [ 66.029775] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 66.038913] sof[ 68.164463] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f0e22bdb833 tirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.0[ 68.178684] RDX: 0000000000000012 RSI: 00007f0e22ace000 RDI: 0000000000000001 45915] ---[ end trace f681458b8048e912 ]--- # [ 66.051079] lk[ 68.192979] RBP: 00007f0e22ace000 R08: 00007f0e22acd010 R09: 0000000000000000 dtm: Negative detected: saturated # REFCOUNT_DEC_AND_TEST_NEGAT[ 68.207016] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 IVE: saw 'Negative detected: saturated': ok ok 48 selftests: lk[ 68.221267] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 dtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFC[ 68.235344] irq event stamp: 0 OUNT_SUB_AND_TEST_NEGATIVE.sh # [ 66.388263] lkdtm: Performin[ 68.244969] hardirqs last enabled at (0): [<0000000000000000>] 0x0 g direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 66.398476] [ 68.258119] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 lkdtm: attempting bad refcount_sub_and_test() below zero # [ [ 68.273461] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 66.405595] ------------[ cut here ]------------ # [ 66.410762[ 68.288742] softirqs last disabled at (0): [<0000000000000000>] 0x0 ] refcount_t: underflow; use-after-free. # [ 66.422351] WARNI[ 68.301964] ---[ end trace f681458b8048e915 ]--- NG: CPU: 2 PID: 2216 at lib/refcount.c:28 refcount_warn_saturate[ 68.313296] lkdtm: Zero detected: saturated +0xba/0x110 # [ 66.437905] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.453849] CPU: 2 PID: 2216 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 66.462538] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 66.469198] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 66.475044] Code: 01 01 e8 10 97 95 00 0f 0b c3 cc cc cc cc 80 3d e7 ee 93 01 00 75 85 48 c7 c7 60 f3 84 a1 c6 05 d7 ee 93 01 01 e8 ed 96 95 00 <0f> 0b c3 cc cc cc cc 80 3d c2 ee 93 01 00 0f 85 5e ff ff ff 48 c7 # [ 66.495992] RSP: 0018:ffff985c4294fe40 EFLAGS: 00010286 # [ 66.501838] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 66.509814] RDX: ffff8b04bbd2c660 RSI: ffff8b04bbd1bf70 RDI: ffff8b04bbd1bf70 # [ 66.517787] RBP: ffffffffa18b3930 R08: 0000000000000000 R09: 0000000000000000 # [ 66.525762] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 66.533728] R13: ffff985c4294ff10 R14: ffff985c4294ff10 R15: ffff8b0444e7b000 # [ 66.541701] FS: 00007fe19fc6a580(0000) GS:ffff8b04bbd00000(0000) knlGS:0000000000000000 # [ 66.550740] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.557157] CR2: 00007fe19fa73000 CR3: 0000000105d6e000 CR4: 00000000003506e0 # [ 66.565117] Call Trace: # [ 66.567876] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 66.574017] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b # [ 66.580257] direct_entry.cold+0x2c/0x38 # [ 66.584661] full_proxy_write+0x56/0x80 # [ 66.588965] vfs_write+0xea/0x3a0 # [ 66.592686] ksys_write+0x68/0xf0 # [ 66.596410] do_syscall_64+0x33/0x40 # [ 66.600419] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 66.606077] RIP: 0033:0x7fe19fb80833 # [ 66.610085] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 66.631039] RSP: 002b:00007ffc10bb26c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.639505] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fe19fb80833 # [ 66.647480] RDX: 000000000000001f RSI: 00007fe19fa73000 RDI: 0000000000000001 # [ 66.655442] RBP: 00007fe19fa73000 R08: 00007fe19fa72010 R09: 0000000000000000 # [ 66.663417] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 66.671389] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.679378] irq event stamp: 0 # [ 66.682802] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.695994] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 66.711314] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 66.720446] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.727450] ---[ end trace f681458b8048e913 ]--- # [ 66.732616] 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 # [ 67.058318] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 67.066566] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 67.073691] lkdtm: Good: zero detected # [ 67.077892] lkdtm: Correctly stayed at zero # [ 67.082573] lkdtm: attempting bad refcount_inc() from zero # [ 67.088701] ------------[ cut here ]------------ # [ 67.093868] refcount_t: addition on 0; use-after-free. # [ 67.099664] WARNING: CPU: 1 PID: 2248 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 67.109090] Modules linked in: fuse i[ 68.685806] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED [ 68.696383] lkdtm: attempting bad refcount_inc() from saturated [ 68.703018] ------------[ cut here ]------------ [ 68.708191] refcount_t: saturated; leaking memory. [ 68.713597] WARNING: CPU: 1 PID: 2315 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 p_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_[ 68.723026] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 68.745126] CPU: 1 PID: 2315 Comm: cat Tainted: G D W 5.10.164-cip24 #1 [ 68.753785] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 68.760410] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 68.766254] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 52 ef 93 01 00 75 ee 48 c7 c7 08 f3 84 a1 c6 05 42 ef 93 01 01 e8 56 97 95 00 <0f> 0b c3 cc cc cc cc 80 3d 2e ef 93 01 00 75 cb 48 c7 c7 30 f3 84 [ 68.787205] RSP: 0018:ffff985c42abfe48 EFLAGS: 00010286 [ 68.793057] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 [ 68.801035] RDX: ffff8b04bbcac660 RSI: ffff8b04bbc9bf70 RDI: ffff8b04bbc9bf70 [ 68.809017] RBP: ffffffffa18b3cf5 R08: 0000000000000000 R09: 0000000000000000 [ 68.816997] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 68.824976] R13: ffff985c42abff10 R14: ffff985c42abff10 R15: ffff8b0445c8b000 [ 68.832955] FS: 00007f6fef4ac580(0000) GS:ffff8b04bbc80000(0000) knlGS:0000000000000000 [ 68.841998] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.848427] CR2: 00007f6fef2b5000 CR3: 00000001035aa000 CR4: 00000000003506e0 [ 68.856405] Call Trace: [ 68.859164] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 [ 68.864635] direct_entry.cold+0x2c/0x38 [ 68.869040] full_proxy_write+0x56/0x80 [ 68.873352] vfs_write+0xea/0x3a0 [ 68.877078] ksys_write+0x68/0xf0 [ 68.880804] do_syscall_64+0x33/0x40 [ 68.884818] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 68.890486] RIP: 0033:0x7f6fef3c2833 [ 68.894496] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 68.915448] RSP: 002b:00007fff2b06ff08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 68.923913] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f6fef3c2833 [ 68.931894] RDX: 0000000000000017 RSI: 00007f6fef2b5000 RDI: 0000000000000001 [ 68.939879] RBP: 00007f6fef2b5000 R08: 00007f6fef2b4010 R09: 0000000000000000 [ 68.947861] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 68.955839] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ [ 68.963830] irq event stamp: 0 67.125059] CPU: 1 PID: 2248 Comm: cat Tainted: G D W [ 68.973461] hardirqs last enabled at (0): [<0000000000000000>] 0x0 5.10.164-cip24 #1 # [ 67.133716] Hardware name: Google Co[ 68.986650] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 69.001974] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 69.011121] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 69.018133] ---[ end trace f681458b8048e916 ]--- [ 69.023300] lkdtm: Saturation detected: still saturated ral/Coral, BIOS 09/29/2020 # [ 67.140345] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 67.146205] Code: 01 01 e8 56 97 95 00 0f 0b c3 cc cc cc cc 80 3d 2e ef 93 01 00 75 cb 48 c7 c7 30 f3 84 a1 c6 05 1e ef 93 01 01 e8 33 97 95 00 <0f> 0b c3 cc cc cc cc 80 3d 0d ef 93 01 00 75 a8 48 c7 c7 08 f3 84 # [ 67.167162] RSP: 0018:ffff985c429c7e48 EFLAGS: 00010286 # [ 67.173009] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 67.180990] RDX: ffff8b04bbcac660 RSI: ffff8b04bbc9bf70 RDI: ffff8b04bbc9bf70 # [ 67.188972] RBP: ffffffffa18b3cd1 R08: 0000000000000000 R09: 0000000000000000 # [ 67.196947] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 67.204920] R13: ffff985c429c7f10 R14: ffff985c429c7f10 R15: ffff8b04440ee000 # [ 67.212898] FS: 00007f65b9d80580(0000) GS:ffff8b04bbc80000(0000) knlGS:0000000000000000 # [ 67.221940] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.228368] CR2: 00007f65b9b89000 CR3: 00000001032aa000 CR4: 00000000003506e0 # [ 67.236349] Call Trace: # [ 67.239105] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 67.244091] direct_entry.cold+0x2c/0x38 # [ 67.248496] full_proxy_write+0x56/0x80 # [ 67.252808] vfs_write+0xea/0x3a0 # [ 67.256522] ksys_write+0x68/0xf0 # [ 67.260245] do_syscall_64+0x33/0x40 # [ 67.264257] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 67.269915] RIP: 0033:0x7f65b9c96833 # [ 67.273923] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 67.294890] RSP: 002b:00007ffcb4eaaab8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.303359] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f65b9c96833 # [ 67.311343] RDX: 0000000000000012 RSI: 00007f65b9b89000 RDI: 0000000000000001 # [ 67.319325] RBP: 00007f65b9b89000 R08: 00007f65b9b88010 R09: 0000000000000000 # [ 67.327306] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 67.341489] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.355656] irq event stamp: 0 # [ 67.365262] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.372280] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 67.381427] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 67.390573] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.397619] ---[ end trace f681458b8048e914 ]--- # [ 67.402820] 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 # [ 67.721609] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 67.730040] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 67.743370] lkdtm: Good: zero detected # [ 67.753786] lkdtm: Correctly stayed at zero # [ 67.764609] lkdtm: attempting bad refcount_add() from zero # [ 67.777213] ------------[ cut here ]------------ # [ 67.788314] refcount_t: addition on 0; use-after-free. # [ 67.800576] WARNING: CPU: 3 PID: 2280 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 67.815850] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 67.838127] CPU: 3 PID: 2280 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 67.852917] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 67.865702] RIP: 0[ 69.377209] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED [ 69.389205] lkdtm: attempting bad refcount_dec() from saturated [ 69.395842] ------------[ cut here ]------------ [ 69.401005] refcount_t: decrement hit 0; leaking memory. [ 69.406988] WARNING: CPU: 2 PID: 2350 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 010:refcount_warn_saturate+0x74/0x110 # [ 67.877724] Code: 01[ 69.416413] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 69.438525] CPU: 2 PID: 2350 Comm: cat Tainted: G D W 5.10.164-cip24 #1 [ 69.447173] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 69.453787] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 69.459631] Code: b8 f3 84 a1 c6 05 ae ee 93 01 01 e8 c6 96 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 88 f3 84 a1 c6 05 95 ee 93 01 01 e8 ac 96 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 69.480562] RSP: 0018:ffff985c42b57e48 EFLAGS: 00010286 [ 69.486406] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 [ 69.494367] RDX: ffff8b04bbd2c660 RSI: ffff8b04bbd1bf70 RDI: ffff8b04bbd1bf70 [ 69.502333] RBP: ffffffffa18b3d0c R08: 0000000000000000 R09: 0000000000000000 [ 69.510305] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 69.518270] R13: ffff985c42b57f10 R14: ffff985c42b57f10 R15: ffff8b044543d000 [ 69.526241] FS: 00007f8081b77580(0000) GS:ffff8b04bbd00000(0000) knlGS:0000000000000000 [ 69.535272] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.541689] CR2: 00007f8081980000 CR3: 0000000104d3a000 CR4: 00000000003506e0 [ 69.549657] Call Trace: [ 69.552410] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f [ 69.557876] direct_entry.cold+0x2c/0x38 [ 69.562269] full_proxy_write+0x56/0x80 [ 69.566574] vfs_write+0xea/0x3a0 01 e8 56 97 95 00 0f 0b c3 cc cc cc cc 80 3d 2e ef 93 01 00 75 [ 69.570289] ksys_write+0x68/0xf0 [ 69.580198] do_syscall_64+0x33/0x40 [ 69.584202] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 69.589851] RIP: 0033:0x7f8081a8d833 [ 69.593854] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 69.614792] RSP: 002b:00007ffcb11a22d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 69.623250] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f8081a8d833 [ 69.631225] RDX: 0000000000000017 RSI: 00007f8081980000 RDI: 0000000000000001 [ 69.639192] RBP: 00007f8081980000 R08: 00007f808197f010 R09: 0000000000000000 [ 69.647156] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 cb 48 c7 c7 30 f3 84 a1 c6 05 1e ef 93 01 01 e8 33 97 95 00 <0f>[ 69.655126] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0b c3 cc cc cc cc 80 3d 0d ef 93 01 00 75 a8 48 c7 c7 08 f3 84 [ 69.669284] irq event stamp: 0 # [ 67.904819] RSP: 0018:ffff985c42a47e48 EFLAGS: 00010286 #[ 69.678868] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 69.692063] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 69.701208] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 69.710339] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 69.717341] ---[ end trace f681458b8048e917 ]--- [ 69.722507] lkdtm: Saturation detected: still saturated [ 67.916845] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 67.931028] RDX: ffff8b04bbdac660 RSI: ffff8b04bbd9bf70 RDI: ffff8b04bbd9bf70 # [ 67.945226] RBP: ffffffffa18b3ce3 R08: 0000000000000000 R09: 0000000000000000 # [ 67.959250] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 67.973357] R13: ffff985c42a47f10 R14: ffff985c42a47f10 R15: ffff8b0444d3b000 # [ 67.987681] FS: 00007f0e22cc5580(0000) GS:ffff8b04bbd80000(0000) knlGS:0000000000000000 # [ 68.002757] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.015390] CR2: 00007f0e22ace000 CR3: 0000000104f7e000 CR4: 00000000003506e0 # [ 68.029505] Call Trace: # [ 68.038452] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 68.049641] direct_entry.cold+0x2c/0x38 # [ 68.060198] full_proxy_write+0x56/0x80 # [ 68.070664] vfs_write+0xea/0x3a0 # [ 68.080623] ksys_write+0x68/0xf0 # [ 68.090506] do_syscall_64+0x33/0x40 # [ 68.100656] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 68.112522] RIP: 0033:0x7f0e22bdb833 # [ 68.122692] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 68.149844] RSP: 002b:00007ffd2c81d358 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.164463] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f0e22bdb833 # [ 68.178684] RDX: 0000000000000012 RSI: 00007f0e22ace000 RDI: 0000000000000001 # [ 68.192979] RBP: 00007f0e22ace000 R08: 00007f0e22acd010 R09: 0000000000000000 # [ 68.207016] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 68.221267] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.235344] irq event stamp: 0 # [ 68.244969] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 68.258119] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 68.273461] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 68.288742] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 68.301964] ---[ end trace f681458b8048e915 ]--- # [ 68.313296] lkdtm: Zero detected: saturated # REFCOUNT_ADD_ZERO: saw 'call trace:': ok ok 51 selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # selftests: lkdtm: REFCOUNT_INC_SATURATED.sh # [ 68.685806] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 68.696383] lkdtm: attempting bad refcount_inc() from saturated # [ 68.703018] ------------[ cut here ]------------ # [ 68.708191] refcount_t: saturated; leaking memory. # [ 68.713597] WARNING: CPU: 1 PID: 2315 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 68.723026] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 68.745126] CPU: 1 PID: 2315 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 68.753785] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 68.760410] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 68.766254] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 52 ef 93 01 00 75 ee 48 c7 c7 08 f3 84 a1 c6 05 42 ef 93 01 01 e8 56 97 95 00 <0f> 0b c3 cc cc cc cc 80 3d 2e ef 93 01 00 75 cb 48 c7 c7 30 f3 84 # [ 68.787205] RSP: 0018:ffff985c42abfe48 EFLAGS: 00010286 # [ 68.793057] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 68.801035] RDX: ffff8b04bbcac660 RSI: ffff8b04bbc9bf70 RDI: ffff8b04bbc9bf70 # [ 68.809017] RBP: ffffffffa18b3cf5 R08: 0000000000000000 R09: 0000000000000000 # [ 68.816997] R10: 00[ 70.083113] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED 000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ [ 70.094674] lkdtm: attempting bad refcount_dec() from saturated 68.824976] R13: ffff985c42abff10 R14: ffff985c42abff10 R15: ff[ 70.107470] ------------[ cut here ]------------ ff8b0445c8b000 # [ 68.832955] FS: 00007f6fef4ac580(0000) GS:[ 70.118822] refcount_t: saturated; leaking memory. ffff8b04bbc80000(0000) knlGS:0000000000000000 # [ 68.841998] [ 70.130422] WARNING: CPU: 3 PID: 2385 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.8484[ 70.146087] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 27] CR2: 00007f6fef2b5000 CR3: 00000001035aa000 CR4: 00000000003[ 70.168155] CPU: 3 PID: 2385 Comm: cat Tainted: G D W 5.10.164-cip24 #1 506e0 # [ 68.856405] Call Trace: # [ 68.859164] lkdtm_REF[ 70.182957] Hardware name: Google Coral/Coral, BIOS 09/29/2020 COUNT_INC_SATURATED+0x3c/0x64 # [ 68.864635] direct_entry.co[ 70.195741] RIP: 0010:refcount_warn_saturate+0x51/0x110 ld+0x2c/0x38 # [ 68.869040] full_proxy_write+0x56/0x80 # [ [ 70.207790] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 52 ef 93 01 00 75 ee 48 c7 c7 08 f3 84 a1 c6 05 42 ef 93 01 01 e8 56 97 95 00 <0f> 0b c3 cc cc cc cc 80 3d 2e ef 93 01 00 75 cb 48 c7 c7 30 f3 84 68.873352] vfs_write+0xea/0x3a0 # [ 68.877078] ksys_write[ 70.234913] RSP: 0018:ffff985c42be7e48 EFLAGS: 00010286 +0x68/0xf0 # [ 68.880804] do_syscall_64+0x33/0x40 # [ 68.[ 70.246925] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 884818] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 68.8904[ 70.261082] RDX: ffff8b04bbdac660 RSI: ffff8b04bbd9bf70 RDI: ffff8b04bbd9bf70 86] RIP: 0033:0x7f6fef3c2833 # [ 68.894496] Code: 8b 15 61 26[ 70.275251] RBP: ffffffffa18b3d23 R08: 0000000000000000 R09: 0000000000000000 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b [ 70.289398] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0[ 70.303585] R13: ffff985c42be7f10 R14: ffff985c42be7f10 R15: ffff8b0444ca5000 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 68[ 70.317715] FS: 00007fd1d02ef580(0000) GS:ffff8b04bbd80000(0000) knlGS:0000000000000000 .915448] RSP: 002b:00007fff2b06ff08 EFLAGS: 00000246 ORIG_RAX: 0[ 70.332958] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 000000000000001 # [ 68.923913] RAX: ffffffffffffffda RBX: 000[ 70.345554] CR2: 00007fd1d00f8000 CR3: 000000010353e000 CR4: 00000000003506e0 0000000000017 RCX: 00007f6fef3c2833 # [ 68.931894] RDX: 00000[ 70.359712] Call Trace: 00000000017 RSI: 00007f6fef2b5000 RDI: 0000000000000001 # [ 6[ 70.368736] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 8.939879] RBP: 00007f6fef2b5000 R08: 00007f6fef2b4010 R09: 00000[ 70.380608] direct_entry.cold+0x2c/0x38 00000000000 # [ 68.947861] R10: fffffffffffffbc5 R11: 0000000[ 70.390906] full_proxy_write+0x56/0x80 000000246 R12: 0000000000000001 # [ 68.955839] R13: 000000000[ 70.401574] vfs_write+0xea/0x3a0 0000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.96[ 70.411461] ksys_write+0x68/0xf0 3830] irq event stamp: 0 # [ 68.973461] hardirqs last enable[ 70.421346] do_syscall_64+0x33/0x40 d at (0): [<0000000000000000>] 0x0 # [ 68.986650] hardirqs la[ 70.431378] entry_SYSCALL_64_after_hwframe+0x61/0xc6 st disabled at (0): [] copy_process+0x664/0x1c[ 70.443337] RIP: 0033:0x7fd1d0205833 b0 # [ 69.001974] softirqs last enabled at (0): [ 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 f00cb4>] copy_process+0x664/0x1cb0 # [ 69.011121] softirqs la[ 70.480641] RSP: 002b:00007fff29053fc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 st disabled at (0): [<0000000000000000>] 0x0 # [ 69.018133] -[ 70.495219] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fd1d0205833 --[ end trace f681458b8048e916 ]--- # [ 69.023300] lkdtm: Sat[ 70.509398] RDX: 0000000000000017 RSI: 00007fd1d00f8000 RDI: 0000000000000001 uration detected: still saturated # REFCOUNT_INC_SATURATED: saw[ 70.523528] RBP: 00007fd1d00f8000 R08: 00007fd1d00f7010 R09: 0000000000000000 'Saturation detected: still saturated': ok ok 52 selftests: lk[ 70.537679] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 dtm: REFCOUNT_INC_SATURATED.sh # selftests: lkdtm: REFCOUNT_DEC[ 70.551831] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 _SATURATED.sh # [ 69.377209] lkdtm: Performing direct entry R[ 70.566071] irq event stamp: 0 EFCOUNT_DEC_SATURATED # [ 69.389205] lkdtm: attempting bad re[ 70.575586] hardirqs last enabled at (0): [<0000000000000000>] 0x0 fcount_dec() from saturated # [ 69.395842] ------------[ cut [ 70.588951] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 here ]------------ # [ 69.401005] refcount_t: decrement hit 0[ 70.604227] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 ; leaking memory. # [ 69.406988] WARNING: CPU: 2 PID: 2350 at[ 70.619524] softirqs last disabled at (0): [<0000000000000000>] 0x0 lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 69.4[ 70.632680] ---[ end trace f681458b8048e918 ]--- 16413] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_c[ 70.644060] lkdtm: Saturation detected: still saturated hardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 69.438525] CPU: 2 PID: 2350 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 69.447173] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 69.453787] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 69.459631] Code: b8 f3 84 a1 c6 05 ae ee 93 01 01 e8 c6 96 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 88 f3 84 a1 c6 05 95 ee 93 01 01 e8 ac 96 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 69.480562] RSP: 0018:ffff985c42b57e48 EFLAGS: 00010286 # [ 69.486406] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 69.494367] RDX: ffff8b04bbd2c660 RSI: ffff8b04bbd1bf70 RDI: ffff8b04bbd1bf70 # [ 69.502333] RBP: ffffffffa18b3d0c R08: 0000000000000000 R09: 0000000000000000 # [ 69.510305] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 69.518270] R13: ffff985c42b57f10 R14: ffff985c42b57f10 R15: ffff8b044543d000 # [ 69.526241] FS: 00007f8081b77580(0000) GS:ffff8b04bbd00000(0000) knlGS:0000000000000000 # [ 69.535272] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.541689] CR2: 00007f8081980000 CR3: 0000000104d3a000 CR4: 00000000003506e0 # [ 69.549657] Call Trace: # [ 69.552410] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 69.557876] direct_entry.cold+0x2c/0x38 # [ 69.562269] full_proxy_write+0x56/0x80 # [ 69.566574] vfs_write+0xea/0x3a0 # [ 69.570289] ksys_write+0x68/0xf0 # [ 69.580198] do_syscall_64+0x33/0x40 # [ 69.584202] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 69.589851] RIP: 0033:0x7f8081a8d833 # [ 69.593854] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 69.614792] RSP: 002b:00007ffcb11a22d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 69.623250] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f8081a8d833 # [ 69.631225] RDX: 0000000000000017 RSI: 00007f8081980000 RDI: 0000000000000001 # [ 69.639192] RBP: 00007f8081980000 R08: 00007f808197f010 R09: 0000000000000000 # [ 69.647156] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 69.655126] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 69.669284] irq event stamp: 0 # [ 69.678868] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 69.692063] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 69.701208] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 69.710339] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 69.717341] ---[ end trace f681458b8048e917 ]--- # [ 69.722507] 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 # [ 70.083113] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 70.094674] lkdtm: attempting bad refcount_dec() from saturated # [ 70.107470] ------------[ cut here ]------------ # [ 70.118822] refcount_t: saturated; leaking memory. # [ 70.130422] WARNING: CPU: 3 PID: 2385 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 70.146087] Modules linked in: fuse [ 70.990221] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec[ 70.998699] lkdtm: attempting bad refcount_inc_not_zero() from saturated _debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [[ 71.011936] ------------[ cut here ]------------ 70.168155] CPU: 3 PID: 2385 Comm: cat Tainted: G D W [ 71.023279] refcount_t: saturated; leaking memory. 5.10.164-cip24 #1 # [ 70.182957] Hardware name: Google C[ 71.035092] WARNING: CPU: 3 PID: 2417 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 oral/Coral, BIOS 09/29/2020 # [ 70.195741] RIP: 0010:refcoun[ 71.050725] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify t_warn_saturate+0x51/0x110 # [ 70.207790] Code: 84 bc 00 00 0[ 71.072567] CPU: 3 PID: 2417 Comm: cat Tainted: G D W 5.10.164-cip24 #1 0 c3 cc cc cc cc 85 f6 74 46 80 3d 52 ef 93 01 00 75 ee 48 c7 c7[ 71.087442] Hardware name: Google Coral/Coral, BIOS 09/29/2020 08 f3 84 a1 c6 05 42 ef 93 01 01 e8 56 97 95 00 <0f> 0b c3 cc c[ 71.100285] RIP: 0010:refcount_warn_saturate+0x97/0x110 c cc cc 80 3d 2e ef 93 01 00 75 cb 48 c7 c7 30 f3 84 # [ 70.2[ 71.112216] Code: 01 01 e8 33 97 95 00 0f 0b c3 cc cc cc cc 80 3d 0d ef 93 01 00 75 a8 48 c7 c7 08 f3 84 a1 c6 05 fd ee 93 01 01 e8 10 97 95 00 <0f> 0b c3 cc cc cc cc 80 3d e7 ee 93 01 00 75 85 48 c7 c7 60 f3 84 34913] RSP: 0018:ffff985c42be7e48 EFLAGS: 00010286 # [ 70.246[ 71.139352] RSP: 0018:ffff985c42c67e38 EFLAGS: 00010282 925] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000[ 71.151319] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 000000 # [ 70.261082] RDX: ffff8b04bbdac660 RSI: ffff8b04bbd9[ 71.165644] RDX: ffff8b04bbdac660 RSI: ffff8b04bbd9bf70 RDI: ffff8b04bbd9bf70 bf70 RDI: ffff8b04bbd9bf70 # [ 70.275251] RBP: ffffffffa18b3d[ 71.179753] RBP: ffffffffa18b3950 R08: 0000000000000000 R09: 0000000000000000 23 R08: 0000000000000000 R09: 0000000000000000 # [ 70.289398][ 71.193888] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000000000[ 71.208032] R13: ffff985c42c67f10 R14: ffff985c42c67f10 R15: ffff8b0442940000 17 # [ 70.303585] R13: ffff985c42be7f10 R14: ffff985c42be7f10[ 71.222177] FS: 00007f46233e2580(0000) GS:ffff8b04bbd80000(0000) knlGS:0000000000000000 R15: ffff8b0444ca5000 # [ 70.317715] FS: 00007fd1d02ef580(0[ 71.237319] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 000) GS:ffff8b04bbd80000(0000) knlGS:0000000000000000 # [ 70.[ 71.250023] CR2: 00007f46231eb000 CR3: 000000010349c000 CR4: 00000000003506e0 332958] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ [ 71.264058] Call Trace: 70.345554] CR2: 00007fd1d00f8000 CR3: 000000010353e000 CR4: 000[ 71.273054] __refcount_add_not_zero.constprop.0+0x2a/0x35 00000003506e0 # [ 70.359712] Call Trace: # [ 70.368736] l[ 71.285272] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 kdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 70.380608] direct_[ 71.297839] direct_entry.cold+0x2c/0x38 entry.cold+0x2c/0x38 # [ 70.390906] full_proxy_write+0x56/0x[ 71.308330] full_proxy_write+0x56/0x80 80 # [ 70.401574] vfs_write+0xea/0x3a0 # [ 70.411461] ks[ 71.318776] vfs_write+0xea/0x3a0 ys_write+0x68/0xf0 # [ 70.421346] do_syscall_64+0x33/0x40 #[ 71.328723] ksys_write+0x68/0xf0 [ 70.431378] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ [ 71.338588] do_syscall_64+0x33/0x40 70.443337] RIP: 0033:0x7fd1d0205833 # [ 70.453400] Code: 8b [ 71.348762] entry_SYSCALL_64_after_hwframe+0x61/0xc6 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 0[ 71.360636] RIP: 0033:0x7f46232f8833 0 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> [ 71.370783] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 71.397955] RSP: 002b:00007ffc890c1c98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 70.480641] RSP: 002b:00007fff29053fc8 EFLAGS: 00000246 ORI[ 71.412541] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f46232f8833 G_RAX: 0000000000000001 # [ 70.495219] RAX: ffffffffffffffda [ 71.426718] RDX: 0000000000000020 RSI: 00007f46231eb000 RDI: 0000000000000001 RBX: 0000000000000017 RCX: 00007fd1d0205833 # [ 70.509398] RD[ 71.440847] RBP: 00007f46231eb000 R08: 00007f46231ea010 R09: 0000000000000000 X: 0000000000000017 RSI: 00007fd1d00f8000 RDI: 0000000000000001 [ 71.455016] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 70.523528] RBP: 00007fd1d00f8000 R08: 00007fd1d00f7010 R0[ 71.469148] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 9: 0000000000000000 # [ 70.537679] R10: fffffffffffffbc5 R11:[ 71.483334] irq event stamp: 0 0000000000000246 R12: 0000000000000001 # [ 70.551831] R13: 0[ 71.492907] hardirqs last enabled at (0): [<0000000000000000>] 0x0 000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [[ 71.506101] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 70.566071] irq event stamp: 0 # [ 70.575586] hardirqs last[ 71.521443] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 enabled at (0): [<0000000000000000>] 0x0 # [ 70.588951] har[ 71.536736] softirqs last disabled at (0): [<0000000000000000>] 0x0 dirqs last disabled at (0): [] copy_process+0x[ 71.549951] ---[ end trace f681458b8048e919 ]--- 664/0x1cb0 # [ 70.604227] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 70.619524] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 70.632680] ---[ end trace f681458b8048e918 ]--- # [ 70.644060] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_SATURATED: saw 'Saturation detected: still saturated': ok ok 54 selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # [ 70.990221] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 70.998699] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 71.011936] ------------[ cut here ]------------ # [ 71.023279] refcount_t: saturated; leaking memory. # [ 71.035092] WARNING: CPU: 3 PID: 2417 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 71.050725] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 71.072567] CPU: 3 PID: 2417 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 71.087442] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 71.100285] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 71.112216] Code: 01 01 e8 33 97 95 00 0f 0b c3 cc cc cc cc 80 3d 0d ef 93 01 00 75 a8 48 c7 c7 08 f3 84 a1 c6 05 fd ee 93 01 01 e8 10 97 95 00 <0f> 0b c3 cc cc cc cc 80 3d e7 ee 93 01 00 75 85 48 c7 c7 60 f3 84 # [ 71.139352] RSP: 0018:ffff985c42c67e38 EFLAGS: 00010282 # [ 71.151319] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 71.165644] RDX: ffff8b04bbdac660 RSI: ffff8b04bbd9bf70 RDI: ffff8b04bbd9bf70 # [ 71.179753] RBP: ffffffffa18b3950 R08: 0000000000000000 R09: 0000000000000000 # [ 71.193888] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 71.208032] R13: ffff985c42c67f10 R14: ffff985c42c67f10 R15: ffff8b0442940000 # [ 71.222177] FS: 00007f46233e2580(0000) GS:ffff8b04bbd80000(0000) knlGS:0000000000000000 # [ 71.237319] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 71.250023] CR2: 00007f46231eb000 CR3: 000000010349c000 CR4: 00000000003506e0 # [ 71.264058] Call Trace: # [ 71.273054] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 71.285272] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 71.297839] direct_entry.cold+0x2c/0x38 # [ 71.308330] full_proxy_write+0x56/0x80 # [ 71.318776] vfs_write+0xea/0x3a0 # [ 71.328723] ksys_write+0x68/0xf0 # [ 71.338588] do_syscall_64+0x33/0x40 # [ 71.348762] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 71.360636] RIP: 0033:0x7f46232f8833 # [ 71.370783] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 71.397955] RSP: 002b:00007ffc890c1c98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 71.412541] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f46232f8833 # [ 71.426718] RDX: 0000000000000020 RSI: 00007f46231eb000 RDI: 0000000000000001 # [ 71.440847] RBP: 00007f46231eb000 R08: 00007f46231ea010 R09: 0000000000000000 # [ 71.455016] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 71.469148] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 71.483334] irq event stamp: 0 # [ 71.492907[ 71.939931] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED [ 71.947962] lkdtm: attempting bad refcount_add_not_zero() from saturated [ 71.955467] ------------[ cut here ]------------ [ 71.960635] refcount_t: saturated; leaking memory. [ 71.966043] WARNING: CPU: 1 PID: 2449 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 [ 71.975467] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 71.991417] CPU: 1 PID: 2449 Comm: cat Tainted: G D W 5.10.164-cip24 #1 [ 72.000056] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 72.006686] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 72.012535] Code: 01 01 e8 33 97 95 00 0f 0b c3 cc cc cc cc 80 3d 0d ef 93 01 00 75 a8 48 c7 c7 08 f3 84 a1 c6 05 fd ee 93 01 01 e8 10 97 95 00 <0f> 0b c3 cc cc cc cc 80 3d e7 ee 93 01 00 75 85 48 c7 c7 60 f3 84 [ 72.033485] RSP: 0018:ffff985c42ce7e38 EFLAGS: 00010282 [ 72.039331] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 72.047301] RDX: ffff8b04bbcac660 RSI: ffff8b04bbc9bf70 RDI: ffff8b04bbc9bf70 [ 72.055268] RBP: ffffffffa18b3970 R08: 0000000000000000 R09: 0000000000000000 [ 72.063247] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 72.071222] R13: ffff985c42ce7f10 R14: ffff985c42ce7f10 R15: ffff8b0444258000 [ 72.079208] FS: 00007f9d60204580(0000) GS:ffff8b04bbc80000(0000) knlGS:0000000000000000 [ 72.088243] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.094669] CR2: 00007f9d6000d000 CR3: 00000001035f6000 CR4: 00000000003506e0 [ 72.102640] Call Trace: [ 72.105389] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 72.111532] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 [ 72.117875] direct_entry.cold+0x2c/0x38 [ 72.122277] full_proxy_write+0x56/0x80 [ 72.126586] vfs_write+0xea/0x3a0 [ 72.130307] ksys_write+0x68/0xf0 [ 72.134034] do_syscall_64+0x33/0x40 [ 72.138054] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 72.143714] RIP: 0033:0x7f9d6011a833 [ 72.147725] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 72.168683] RSP: 002b:00007ffc9824eae8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 72.177148] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f9d6011a833 [ 72.185117] RDX: 0000000000000020 RSI: 00007f9d6000d000 RDI: 0000000000000001 [ 72.193096] RBP: 00007f9d6000d000 R08: 00007f9d6000c010 R09: 0000000000000000 [ 72.201072] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 72.209049] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ [ 72.217049] irq event stamp: 0 [ 72.226636] hardirqs last enabled at (0): [<0000000000000000>] 0x0 71.506101] hardirqs last disabled at (0): [] [ 72.233649] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 72.248988] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 72.258136] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 72.265155] ---[ end trace f681458b8048e91a ]--- copy_process+0x664/0x1cb0 # [ 71.521443] softirqs last enabl[ 72.270324] lkdtm: Saturation detected: still saturated ed at (0): [] copy_process+0x664/0x1cb0 # [ 71.536736] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 71.549951] ---[ end trace f681458b8048e919 ]--- # [ 71.561280] 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 # [ 71.939931] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 71.947962] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 71.955467] ------------[ cut here ]------------ # [ 71.960635] refcount_t: saturated; leaking memory. # [ 71.966043] WARNING: CPU: 1 PID: 2449 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 71.975467] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 71.991417] CPU: 1 PID: 2449 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 72.000056] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 72.006686] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 72.012535] Code: 01 01 e8 33 97 95 00 0f 0b c3 cc cc cc cc 80 3d 0d ef 93 01 00 75 a8 48 c7 c7 08 f3 84 a1 c6 05 fd ee 93 01 01 e8 10 97 95 00 <0f> 0b c3 cc cc cc cc 80 3d e7 ee 93 01 00 75 85 48 c7 c7 60 f3 84 # [ 72.033485] RSP: 0018:ffff985c42ce7e38 EFLAGS: 00010282 # [ 72.039331] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 72.047301] RDX: ffff8b04bbcac660 RSI: ffff8b04bbc9bf70 RDI: ffff8b04bbc9bf70 # [ 72.055268] RBP: ffffffffa18b3970 R08: 0000000000000000 R09: 0000000000000000 # [ 72.063247] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 72.071222] R13: ffff985c42ce7f10 R14: ffff985c42ce7f10 R15: ffff8b0444258000 # [ 72.079208] FS: 00007f9d60204580(0000) GS:ffff8b04bbc80000(0000) knlGS:0000000000000000 # [ 72.088243] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 72.094669] CR2: 00007f9d6000d000 CR3: 00000001035f6000 CR4: 00000000003506e0 # [ 72.102640] Call Trace: # [ 72.105389] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 72.111532] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 72.117875] direct_entry.cold+0x2c/0x38 # [ 72.122277] full_proxy_write+0x56/0x80 # [ 72.126586] vfs_write+0xea/0x3a0 # [ 72.130307] ksys_write+0x68/0xf0 # [ 72.134034] do_syscall_64+0x33/0x40 # [ 72.138054] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 72.143714] RIP: 0033:0x7f9d6011a833 # [ 72.147725] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 72.168683] RSP: 002b:00007ffc9824eae8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 72.177148] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f9d6011a833 # [ 72.185117] RDX: 0000000000000020 RSI: 00007f9d6000d000 RDI: 0000000000000001 # [ 72.193096] RBP: 00007f9d6000d000 R08: 00007f9d6000c010 R09: 0000000000000000 # [ 72.201072] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ [ 72.633789] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED [ 72.644705] lkdtm: attempting bad refcount_dec_and_test() from saturated [ 72.652216] ------------[ cut here ]------------ [ 72.657377] refcount_t: underflow; use-after-free. 72.209049] R13: 0000000000000001 R14: 0000000000020000 R15: 00[ 72.662778] WARNING: CPU: 1 PID: 2484 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 00000000020000 # [ 72.217049] irq event stamp: 0 # [ 72.22[ 72.678334] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 72.700462] CPU: 1 PID: 2484 Comm: cat Tainted: G D W 5.10.164-cip24 #1 [ 72.709114] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 72.715774] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 72.721654] Code: 01 01 e8 10 97 95 00 0f 0b c3 cc cc cc cc 80 3d e7 ee 93 01 00 75 85 48 c7 c7 60 f3 84 a1 c6 05 d7 ee 93 01 01 e8 ed 96 95 00 <0f> 0b c3 cc cc cc cc 80 3d c2 ee 93 01 00 0f 85 5e ff ff ff 48 c7 [ 72.742616] RSP: 0018:ffff985c42d6fe40 EFLAGS: 00010286 [ 72.748462] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 [ 72.756437] RDX: ffff8b04bbcac660 RSI: ffff8b04bbc9bf70 RDI: ffff8b04bbc9bf70 [ 72.764411] RBP: ffffffffa18b3990 R08: 0000000000000000 R09: 0000000000000000 [ 72.772382] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 72.780351] R13: ffff985c42d6ff10 R14: ffff985c42d6ff10 R15: ffff8b04441fe000 6636] hardirqs last enabled at (0): [<0000000000000000>] 0x0 #[ 72.788326] FS: 00007fcbfc97e580(0000) GS:ffff8b04bbc80000(0000) knlGS:0000000000000000 [ 72.803560] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.809983] CR2: 00007fcbfc787000 CR3: 0000000103fc0000 CR4: 00000000003506e0 [ 72.817954] Call Trace: [ 72.820712] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 72.826854] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 [ 72.833200] direct_entry.cold+0x2c/0x38 [ 72.837598] full_proxy_write+0x56/0x80 [ 72.841899] vfs_write+0xea/0x3a0 [ 72.845613] ksys_write+0x68/0xf0 [ 72.233649] hardirqs last disabled at (0): [ 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 72.890131] RSP: 002b:00007ffdfde08398 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 72.898593] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fcbfc894833 [ 72.906556] RDX: 0000000000000020 RSI: 00007fcbfc787000 RDI: 0000000000000001 [ 72.914526] RBP: 00007fcbfc787000 R08: 00007fcbfc786010 R09: 0000000000000000 [ 72.922496] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 4>] copy_process+0x664/0x1cb0 # [ 72.248988] softirqs last e[ 72.930465] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 nabled at (0): [] copy_process+0x664/0x1cb0 #[ 72.944629] irq event stamp: 0 [ 72.258136] softirqs last disabled at (0): [<000000000000000[ 72.954223] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 72.967424] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 72.976560] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 72.985692] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 72.992695] ---[ end trace f681458b8048e91b ]--- [ 72.997848] lkdtm: Saturation detected: still saturated 0>] 0x0 # [ 72.265155] ---[ end trace f681458b8048e91a ]--- # [ 72.270324] 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 # [ 72.633789] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 72.644705] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 72.652216] ------------[ cut here ]------------ # [ 72.657377] refcount_t: underflow; use-after-free. # [ 72.662778] WARNING: CPU: 1 PID: 2484 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 72.678334] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 72.700462] CPU: 1 PID: 2484 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 72.709114] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 72.715774] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 72.721654] Code: 01 01 e8 10 97 95 00 0f 0b c3 cc cc cc cc 80 3d e7 ee 93 01 00 75 85 48 c7 c7 60 f3 84 a1 c6 05 d7 ee 93 01 01 e8 ed 96 95 00 <0f> 0b c3 cc cc cc cc 80 3d c2 ee 93 01 00 0f 85 5e ff ff ff 48 c7 # [ 72.742616] RSP: 0018:ffff985c42d6fe40 EFLAGS: 00010286 # [ 72.748462] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 72.756437] RDX: ffff8b04bbcac660 RSI: ffff8b04bbc9bf70 RDI: ffff8b04bbc9bf70 # [ 72.764411] RBP: ffffffffa18b3990 R08: 0000000000000000 R09: 0000000000000000 # [ 72.772382] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 72.780351] R13: ffff985c42d6ff10 R14: ffff985c42d6ff10 R15: ffff8b04441fe000 # [ 72.788326] FS: 00007fcbfc97e580(0000) GS:ffff8b04bbc80000(0000) knlGS:0000000000000000 # [ 72.803560] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 72.809983] CR2: 00007fcbfc787000 CR3: 0000000103fc0000 CR4: 00000000003506e0 # [ 72.817954] Call Trace: # [ 72.820712] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 72.826854] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 72.833200] direct_entry.cold+0x2c/0x38 # [ 72.837598] full_proxy_write+0x56/0x80 # [ 72.841899] vfs_write+0xea/0x3a0 # [ 72.845613] ksys_write+0x68/0xf0 # [ 72.849332] do_syscall_64+0x33/0x40 # [ 72.859526] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 72.865183] RIP: 0033:0x7fcbfc894833 # [ 72.869192] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 72.890131] RSP: 002b:00007ffdfde08398 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 72.898593] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fcbfc894833 # [ 72.906556] RDX: 0000000000000020 RSI: 00007fcbfc787000 RDI: 0000000000000001 # [ 72.914526] RBP: 00007fcbfc787000 R08: 00007fcbfc786010 R09: 0000000000000000 # [ 72.922496] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 72.930465] R13: [ 73.358280] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 73.369309] lkdtm: attempting bad refcount_sub_and_test() from saturated [ 73.383002] ------------[ cut here ]------------ [ 73.388169] refcount_t: underflow; use-after-free. [ 73.393578] WARNING: CPU: 2 PID: 2519 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 [ 73.402998] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 73.418958] CPU: 2 PID: 2519 Comm: cat Tainted: G D W 5.10.164-cip24 #1 [ 73.427607] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 73.434219] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 73.440064] Code: 01 01 e8 10 97 95 00 0f 0b c3 cc cc cc cc 80 3d e7 ee 93 01 00 75 85 48 c7 c7 60 f3 84 a1 c6 05 d7 ee 93 01 01 e8 ed 96 95 00 <0f> 0b c3 cc cc cc cc 80 3d c2 ee 93 01 00 0f 85 5e ff ff ff 48 c7 [ 73.461007] RSP: 0018:ffff985c42db7e40 EFLAGS: 00010286 [ 73.466849] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 [ 73.474822] RDX: ffff8b04bbd2c660 RSI: ffff8b04bbd1bf70 RDI: ffff8b04bbd1bf70 [ 73.482800] RBP: ffffffffa18b39b0 R08: 0000000000000000 R09: 0000000000000000 [ 73.490773] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 73.498745] R13: ffff985c42db7f10 R14: ffff985c42db7f10 R15: ffff8b04441fe000 [ 73.506722] FS: 00007f1ee4e77580(0000) GS:ffff8b04bbd00000(0000) knlGS:0000000000000000 [ 73.515760] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.522189] CR2: 00007f1ee4c80000 CR3: 0000000102786000 CR4: 00000000003506e0 [ 73.530156] Call Trace: [ 73.532913] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 73.539050] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 [ 73.545393] direct_entry.cold+0x2c/0x38 [ 73.549797] full_proxy_write+0x56/0x80 [ 73.554098] vfs_write+0xea/0x3a0 [ 73.557817] ksys_write+0x68/0xf0 [ 73.561540] do_syscall_64+0x33/0x40 [ 73.565548] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 73.571216] RIP: 0033:0x7f1ee4d8d833 [ 73.575221] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 73.596169] RSP: 002b:00007fff4962ab18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 73.604628] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f1ee4d8d833 [ 73.612601] RDX: 0000000000000020 RSI: 00007f1ee4c80000 RDI: 0000000000000001 [ 73.620575] RBP: 00007f1ee4c80000 R08: 00007f1ee4c7f010 R09: 0000000000000000 [ 73.628544] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 73.636508] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 72.944629] irq event stamp: 0 # [ 72.954223] hardirqs las[ 73.644486] irq event stamp: 0 t enabled at (0): [<0000000000000000>] 0x0 # [ 72.967424] ha[ 73.654076] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 73.667259] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 73.676405] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 rdirqs last disabled at (0): [] copy_process+0[ 73.685545] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 73.698715] ---[ end trace f681458b8048e91c ]--- [ 73.703876] lkdtm: Saturation detected: still saturated x664/0x1cb0 # [ 72.976560] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 72.985692] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 72.992695] ---[ end trace f681458b8048e91b ]--- # [ 72.997848] 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 # [ 73.358280] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 73.369309] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 73.383002] ------------[ cut here ]------------ # [ 73.388169] refcount_t: underflow; use-after-free. # [ 73.393578] WARNING: CPU: 2 PID: 2519 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 73.402998] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 73.418958] CPU: 2 PID: 2519 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 73.427607] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 73.434219] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 73.440064] Code: 01 01 e8 10 97 95 00 0f 0b c3 cc cc cc cc 80 3d e7 ee 93 01 00 75 85 48 c7 c7 60 f3 84 a1 c6 05 d7 ee 93 01 01 e8 ed 96 95 00 <0f> 0b c3 cc cc cc cc 80 3d c2 ee 93 01 00 0f 85 5e ff ff ff 48 c7 # [ 73.461007] RSP: 0018:ffff985c42db7e40 EFLAGS: 00010286 # [ 73.466849] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 73.474822] RDX: ffff8b04bbd2c660 RSI: ffff8b04bbd1bf70 RDI: ffff8b04bbd1bf70 # [ 73.482800] RBP: ffffffffa18b39b0 R08: 0000000000000000 R09: 0000000000000000 # [ 73.490773] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 73.498745] R13: ffff985c42db7f10 R14: ffff985c42db7f10 R15: ffff8b04441fe000 # [ 73.506722] FS: 00007f1ee4e77580(0000) GS:ffff8b04bbd00000(0000) knlGS:0000000000000000 # [ 73.515760] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 73.522189] CR2: 00007f1ee4c80000 CR3: 0000000102786000 CR4: 00000000003506e0 # [ 73.530156] Call Trace: # [ 73.532913] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 73.539050] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 73.545393] direct_entry.cold+0x2c/0x38 # [ 73.549797] full_proxy_write+0x56/0x80 # [ 73.554098] vfs_write+0xea/0x3a0 # [ 73.557817] ksys_write+0x68/0xf0 # [ 73.561540] do_syscall_64+0x33/0x40 # [ 73.565548] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 73.571216] RIP: 0033:0x7f1ee4d8d833 # [ 73.575221] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 73.596169] RSP: 002b:00007fff4962ab18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 73.604628] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f1ee4d8d833 # [ 73.612601] RDX: 0000000000000020 RSI: 00007f1ee4c80000 RDI: 0000000000000001 # [ 73.620575] RBP: 00007f1ee4c80000 R08: 00007f1ee4c7f010 R09: 0000000000000000 # [ 73.628544] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 73.636508] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 73.644486] irq event stamp: 0 # [ 73.654076] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 73.667259] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 73.676405] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 73.685545] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 73.698715] ---[ end trace f681458b8048e91c ]--- # [ 73.703876] 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 [ 74.319531] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO [ 74.326280] lkdtm: attempting good copy_to_user of correct size [ 74.332955] lkdtm: attempting bad copy_to_user of too large size # [ 74.319531] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 74.326280] lkdtm: attempting good copy_to_user of correct size # [ 74.332955] 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 [ 74.666090] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM [ 74.673039] lkdtm: attempting good copy_from_user of correct size [ 74.679885] lkdtm: attempting bad copy_from_user of too large size # [ 74.666090] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 74.673039] lkdtm: attempting good copy_from_user of correct size # [ 74.679885] 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 [ 75.023036] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO [ 75.030271] lkdtm: attempting good copy_to_user inside whitelist [ 75.037061] lkdtm: attempting bad copy_to_user outside whitelist # [ 75.023036] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 75.030271] lkdtm: attempting good copy_to_user inside whitelist # [ 75.037061] 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 [ 75.374508] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM [ 75.381936] lkdtm: attempting good copy_from_user inside whitelist [ 75.388903] lkdtm: attempting bad copy_from_user outside whitelist # [ 75.374508] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 75.381936] lkdtm: attempting good copy_from_user inside whitelist # [ 75.388903] 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 [ 75.730813] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO [ 75.737753] lkdtm: good_stack: ffff985c43117e20-ffff985c43117e40 [ 75.744488] lkdtm: bad_stack : ffff985c43117da8-ffff985c43117dc8 [ 75.751237] lkdtm: attempting good copy_to_user of local stack [ 75.757787] lkdtm: attempting bad copy_to_user of distant stack # [ 75.730813] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 75.737753] lkdtm: good_stack: ffff985c43117e20-ffff985c43117e40 # [ 75.744488] lkdtm: bad_stack : ffff985c43117da8-ffff985c43117dc8 # [ 75.751237] lkdtm: attempting good copy_to_user of local stack # [ 75.757787] 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 [ 76.090139] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM [ 76.097268] lkdtm: good_stack: ffff985c4318fe20-ffff985c4318fe40 [ 76.104002] lkdtm: bad_stack : ffff985c4318fda8-ffff985c4318fdc8 [ 76.111087] lkdtm: attempting good copy_from_user of local stack [ 76.118172] lkdtm: attempting bad copy_from_user of distant stack # [ 76.090139] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 76.097268] lkdtm: good_stack: ffff985c4318fe20-ffff985c4318fe40 # [ 76.104002] lkdtm: bad_stack : ffff985c4318fda8-ffff985c4318fdc8 # [ 76.111087] lkdtm: attempting good copy_from_user of local stack # [ 76.118172] 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 [ 76.451233] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND [ 76.457975] lkdtm: good_stack: ffff985c431efe20-ffff985c431efe40 [ 76.464692] lkdtm: bad_stack : ffff985c431efff8-ffff985c431f0018 [ 76.471446] lkdtm: attempting good copy_to_user of local stack [ 76.477995] lkdtm: attempting bad copy_to_user of distant stack [ 76.484629] lkdtm: copy_to_user failed, but lacked Oops # [ 76.451233] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 76.457975] lkdtm: good_stack: ffff985c431efe20-ffff985c431efe40 # [ 76.464692] lkdtm: bad_stack : ffff985c431efff8-ffff985c431f0018 # [ 76.471446] lkdtm: attempting good copy_to_user of local stack # [ 76.477995] lkdtm: attempting bad copy_to_user of distant stack # [ 76.484629] 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 [ 76.823476] lkdtm: Performing direct entry USERCOPY_KERNEL [ 76.829729] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffa14d1450 [ 76.838435] lkdtm: attempting bad copy_to_user from kernel text: ffffffffa00e3ab0 [ 76.846808] lkdtm: FAIL: survived bad copy_to_user() # [ 76.823476] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 76.829729] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffa14d1450 # [ 76.838435] lkdtm: attempting bad copy_to_user from kernel text: ffffffffa00e3ab0 # [ 76.846808] 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 [ 77.201687] lkdtm: Performing direct entry STACKLEAK_ERASING [ 77.208033] lkdtm: checking unused part of the thread stack (15928 bytes)... [ 77.215947] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) [ 77.223729] lkdtm: FAIL: the thread stack is NOT properly erased [ 77.230460] CPU: 0 PID: 2884 Comm: cat Tainted: G D W 5.10.164-cip24 #1 [ 77.239094] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 77.245688] Call Trace: [ 77.248434] dump_stack+0x77/0x9b [ 77.252133] lkdtm_STACKLEAK_ERASING+0x116/0x144 [ 77.257288] direct_entry.cold+0x2c/0x38 [ 77.261666] full_proxy_write+0x56/0x80 [ 77.265947] vfs_write+0xea/0x3a0 [ 77.269646] ksys_write+0x68/0xf0 [ 77.273345] do_syscall_64+0x33/0x40 [ 77.277333] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 77.282972] RIP: 0033:0x7f6da8fce833 [ 77.286959] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 77.307888] RSP: 002b:00007ffe6f32dad8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 77.316334] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f6da8fce833 [ 77.324285] RDX: 0000000000000012 RSI: 00007f6da8ec1000 RDI: 0000000000000001 [ 77.332239] RBP: 00007f6da8ec1000 R08: 00007f6da8ec0010 R09: 0000000000000000 [ 77.340195] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 77.348150] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 77.201687] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 77.208033] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 77.215947] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 77.223729] lkdtm: FAIL: the thread stack is NOT properly erased # [ 77.230460] CPU: 0 PID: 2884 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 77.239094] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 77.245688] Call Trace: # [ 77.248434] dump_stack+0x77/0x9b # [ 77.252133] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 77.257288] direct_entry.cold+0x2c/0x38 # [ 77.261666] full_proxy_write+0x56/0x80 # [ 77.265947] vfs_write+0xea/0x3a0 # [ 77.269646] ksys_write+0x68/0xf0 # [ 77.273345] do_syscall_64+0x33/0x40 # [ 77.277333] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 77.282972] RIP: 0033:0x7f6da8fce833 # [ 77.286959] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 77.307888] RSP: 002b:00007ffe6f32dad8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 77.316334] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f6da8fce833 # [ 77.324285] RDX: 0000000000000012 RSI: 00007f6da8ec1000 RDI: 0000000000000001 # [ 77.332239] RBP: 00007f6da8ec1000 R08: 00007f6da8ec0010 R09: 0000000000000000 # [ 77.340195] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 77.348150] 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 [ 77.703947] lkdtm: Performing direct entry CFI_FORWARD_PROTO [ 77.710298] lkdtm: Calling matched prototype ... [ 77.715472] lkdtm: Calling mismatched prototype ... [ 77.720937] lkdtm: Fail: survived mismatched prototype function call! # [ 77.703947] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 77.710298] lkdtm: Calling matched prototype ... # [ 77.715472] lkdtm: Calling mismatched prototype ... # [ 77.720937] 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 / #