[Enter `^Ec?' for help] coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 bootblock starting... LPC: Trying to open IO window from 800 size 1ff LPC: Opened IO window LGIR0: base 800 size 100 LPC: Opened IO window LGIR1: base 900 size 100 VBOOT: Loading verstage. FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset ba4c0 size fab4 coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 verstage starting... LPSS I2C bus 2 at 0xfe022000 (400 KHz) TPM ready after 4 ms cr50 TPM 2.0 (i2c 2:0x50 id 0x28) setup_tpm():514: TPM: SetupTPM() succeeded src/lib/tpm2_tlcl.c:208 index 0x1007 return code 0 Phase 1 FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area GBB found @ 380000 (262144 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x0 / 0x0 Phase 2 Phase 3 FMAP: area GBB found @ 380000 (262144 bytes) VB2:vb2_report_dev_firmware() This is developer signed firmware FMAP: area VBLOCK_B found @ 8b0000 (65536 bytes) FMAP: area VBLOCK_B found @ 8b0000 (65536 bytes) VB2:vb2_verify_keyblock() Checking key block signature... FMAP: area VBLOCK_B found @ 8b0000 (65536 bytes) FMAP: area VBLOCK_B found @ 8b0000 (65536 bytes) VB2:vb2_verify_fw_preamble() Verifying preamble. Phase 4 FMAP: area FW_MAIN_B found @ 8c0000 (4652992 bytes) VB2:vb2api_init_hash() HW crypto for hash_alg 2 not supported, using SW VB2:vb2_rsa_verify_digest() Digest check failed! VB2:vb2_fail() Need recovery, reason: 0x1b / 0x7 Saving nvdata Reboot requested (10020007) hard_reset() called! CSE is not yet ready, waiting CSE timed out. Resetting coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 bootblock starting... LPC: Trying to open IO window from 800 size 1ff LPC: Opened IO window LGIR0: base 800 size 100 LPC: Opened IO window LGIR1: base 900 size 100 VBOOT: Loading verstage. FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset ba4c0 size fab4 coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 verstage starting... LPSS I2C bus 2 at 0xfe022000 (400 KHz) TPM ready after 4 ms cr50 TPM 2.0 (i2c 2:0x50 id 0x28) setup_tpm():514: TPM: SetupTPM() succeeded src/lib/tpm2_tlcl.c:208 index 0x1007 return code 0 Phase 1 FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area GBB found @ 380000 (262144 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x1b / 0x7 VB2:vb2_check_recovery() We have a recovery request: 0x1b / 0x0 Recovery requested (1009000e) Saving nvdata tlcl_extend: response is 0 tlcl_extend: response is 0 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/romstage' CBFS: Found @ offset 80 size 11c5c coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 romstage starting... pm1_sts: 0000 pm1_en: 0000 pm1_cnt: 00001c00 gpe0_sts[0]: 00000000 gpe0_en[0]: 00008000 gpe0_sts[1]: 00000000 gpe0_en[1]: 00000000 gpe0_sts[2]: 00000000 gpe0_en[2]: 00000000 gpe0_sts[3]: 00000000 gpe0_en[3]: 00000000 prsts: 00000000 tco_sts: 00000000 gen_pmcon1: 04004000 gen_pmcon2: 00003a00 gen_pmcon3: 00000000 prev_sleep_state 0 Boot Count incremented to 68531 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 33 exit 0 Board ID: 5 mainboard: EC init Chrome EC: Set WAKE mask to 0x00000000 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fsps.bin' CBFS: Found @ offset 88fc0 size 2a000 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'vbt-babytiger.bin' CBFS: Found @ offset 155800 size 528 Found a VBT of 6656 bytes after decompression ITSS IRQ Polarities Before: IPC0: 0xffffeef8 IPC1: 0xffffffff IPC2: 0xffffffff IPC3: 0x00ffffff ITSS IRQ Polarities After: IPC0: 0xffffeef8 IPC1: 0x4a07ffff IPC2: 0x08000000 IPC3: 0x00a11000 RAPL PL1 12.0W RAPL PL2 15.0W BS: BS_DEV_INIT_CHIPS times (us): entry 0 run 269289 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 4860 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 52948 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 14110 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 10019 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 14120 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 18428 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 18197 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 14095 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 11267 usecs scan_bus: scanning of bus DOMAIN: 0000 took 393031 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 413050 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 2023-01-24 12:41:41 UTC POST: Unexpected post code in previous boot: 0x98 ELOG: Event(A3) added with size 11 at 2023-01-24 12:41:41 UTC ELOG: Event(AA) added with size 11 at 2023-01-24 12:41:41 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 703425 exit 96210 found VGA at PCI: 00:02.0 Setting up VGA for PCI: 00:02.0 Setting PCI_BRIDGE_CTL_VGA for bridge DOMAIN: 0000 Setting PCI_BRIDGE_CTL_VGA for bridge Root Device Allocating resources... Reading resources... Root Device read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 PCI: 00:0e.0 read_resources bus 0 link: 0 PCI: 00:0e.0 read_resources bus 0 link: 0 done PCI: 00:14.0 read_resources bus 1 link: 0 PCI: 00:14.0 read_resources bus 1 link: 0 done PCI: 00:16.0 read_resources bus 1 link: 0 PCI: 00:16.0 read_resources bus 1 link: 0 done PCI: 00:16.2 read_resources bus 2 link: 0 PCI: 00:16.2 read_resources bus 2 link: 0 done PCI: 00:16.3 read_resources bus 3 link: 0 PCI: 00:16.3 read_resources bus 3 link: 0 done PCI: 00:17.0 read_resources bus 4 link: 0 PCI: 00:17.0 read_resources bus 4 link: 0 done PCI: 00:17.1 read_resources bus 5 link: 0 PCI: 00:17.1 read_resources bus 5 link: 0 done PCI: 00:1f.0 read_resources bus 0 link: 0 PCI: 00:1f.0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 done Root Device read_resources bus 0 link: 0 done Done reading resources. Show resources in subtree (Root Device)...After reading. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffff flags 40040100 index 10000000 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 10000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 2 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 3 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index 5 PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base 100000000 size 80000000 align 0 gran 0 limit 0 flags e0004200 index 7 PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index 8 PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index 9 PCI: 00:00.0 resource base 11800000 size 400000 align 0 gran 0 limit 0 flags f0004200 index a PCI: 00:00.0 resource base 11000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 12000000 size 100000 align 0 gran 0 limit 0 flags f0004200 index c PCI: 00:00.0 resource base 12150000 size 1000 align 0 gran 0 limit 0 flags f0004200 index d PCI: 00:00.0 resource base 12140000 size 10000 align 0 gran 0 limit 0 flags f0004200 index e PCI: 00:00.0 resource base 10000000 size 1000000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:00.0 resource base 11c00000 size 400000 align 0 gran 0 limit 0 flags f0004200 index 10 PCI: 00:00.0 resource base 12100000 size 40000 align 0 gran 0 limit 0 flags f0004200 index 11 PCI: 00:00.1 PCI: 00:00.1 resource base 0 size 8000 align 15 gran 15 limit ffffffffffffffff flags 201 index 10 PCI: 00:00.2 PCI: 00:00.2 resource base 0 size 100000 align 20 gran 20 limit ffffffffffffffff flags 201 index 10 PCI: 00:00.2 resource base 0 size 800000 align 23 gran 23 limit ffffffffffffffff flags 201 index 18 PCI: 00:00.2 resource base 0 size 200 align 12 gran 9 limit ffffffffffffffff flags 201 index 20 PCI: 00:02.0 PCI: 00:02.0 resource base 0 size 1000000 align 24 gran 24 limit ffffffffffffffff flags 201 index 10 PCI: 00:02.0 resource base 0 size 10000000 align 28 gran 28 limit ffffffffffffffff flags 1201 index 18 PCI: 00:02.0 resource base 0 size 40 align 6 gran 6 limit ffff flags 100 index 20 PCI: 00:03.0 PCI: 00:03.0 resource base 0 size 1000000 align 24 gran 24 limit 7fffffffff flags 201 index 10 PCI: 00:0d.0 PCI: 00:0d.0 resource base d0000000 size 1000000 align 0 gran 0 limit 0 flags f0000200 index 10 PCI: 00:0d.1 PCI: 00:0d.1 resource base fe042000 size 2000 align 0 gran 0 limit 0 flags c0000200 index 10 PCI: 00:0d.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:0d.1 resource base 400 size 100 align 0 gran 0 limit 0 flags c0000100 index 20 PCI: 00:0d.2 PCI: 00:0d.2 resource base 0 size 1000 align 12 gran 12 limit ffffffff flags 200 index 10 PCI: 00:0d.3 PCI: 00:0d.3 resource base fe900000 size 2000 align 0 gran 0 limit 0 flags c0000200 index 10 PCI: 00:0d.3 resource base fe902000 size 1000 align 0 gran 0 limit 0 flags c0000200 index 18 PCI: 00:0e.0 child on link 0 GENERIC: 0.0 PCI: 00:0e.0 resource base 0 size 4000 align 14 gran 14 limit ffffffffffffffff flags 201 index 10 PCI: 00:0e.0 resource base 0 size 100000 align 20 gran 20 limit ffffffffffffffff flags 201 index 20 GENERIC: 0.0 PCI: 00:0f.0 PCI: 00:0f.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:0f.1 PCI: 00:0f.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:0f.2 PCI: 00:0f.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:11.0 PCI: 00:12.0 PCI: 00:13.0 PCI: 00:13.1 PCI: 00:13.2 PCI: 00:13.3 PCI: 00:14.0 child on link 0 PCI: 01:00.0 PCI: 00:14.0 resource base 0 size 0 align 12 gran 12 limit ffff flags 80102 index 1c PCI: 00:14.0 resource base 0 size 0 align 20 gran 20 limit ffffffffffffffff flags 81202 index 24 PCI: 00:14.0 resource base 0 size 0 align 20 gran 20 limit ffffffff flags 80202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base 0 size 2000 align 13 gran 13 limit ffffffffffffffff flags 201 index 10 PCI: 00:14.1 PCI: 00:15.0 PCI: 00:15.0 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 10 PCI: 00:15.1 PCI: 00:16.0 child on link 0 I2C: 01:1a PCI: 00:16.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:16.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 I2C: 01:1a PCI: 00:16.1 PCI: 00:16.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:16.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:16.2 child on link 0 I2C: 02:50 PCI: 00:16.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:16.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 I2C: 02:50 PCI: 00:16.3 child on link 0 I2C: 03:10 PCI: 00:16.3 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:16.3 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 I2C: 03:10 I2C: 03:39 PCI: 00:17.0 child on link 0 I2C: 04:15 PCI: 00:17.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:17.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 I2C: 04:15 I2C: 04:2c PCI: 00:17.1 child on link 0 I2C: 05:09 PCI: 00:17.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:17.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 I2C: 05:09 PCI: 00:17.2 PCI: 00:17.3 PCI: 00:18.0 PCI: 00:18.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:18.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:18.1 PCI: 00:18.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:18.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:18.2 PCI: 00:18.2 resource base de000000 size 1000 align 0 gran 0 limit 0 flags e0000200 index 10 PCI: 00:18.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:18.3 PCI: 00:19.0 PCI: 00:19.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:19.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:19.1 PCI: 00:19.2 PCI: 00:1a.0 PCI: 00:1b.0 PCI: 00:1b.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1b.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:1c.0 PCI: 00:1c.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1c.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:1e.0 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.1 resource base 0 size 100 align 12 gran 8 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.1 resource base 0 size 20 align 5 gran 5 limit ffff flags 100 index 20 DOMAIN: 0000 io: base: 0 size: 0 align: 0 gran: 0 limit: ffff PCI: 00:14.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff PCI: 00:14.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff done PCI: 00:02.0 20 * [0x0 - 0x3f] io PCI: 00:1f.1 20 * [0x40 - 0x5f] io DOMAIN: 0000 io: base: 60 size: 60 align: 6 gran: 0 limit: ffff done DOMAIN: 0000 mem: base: 0 size: 0 align: 0 gran: 0 limit: ffffffff PCI: 00:14.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff PCI: 00:14.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff done PCI: 00:14.0 mem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffff PCI: 01:00.0 10 * [0x0 - 0x1fff] mem PCI: 00:14.0 mem: base: 2000 size: 100000 align: 20 gran: 20 limit: ffffffff done PCI: 00:02.0 18 * [0x0 - 0xfffffff] prefmem PCI: 00:02.0 10 * [0x10000000 - 0x10ffffff] mem PCI: 00:03.0 10 * [0x11000000 - 0x11ffffff] mem PCI: 00:00.2 18 * [0x12000000 - 0x127fffff] mem PCI: 00:00.2 10 * [0x12800000 - 0x128fffff] mem PCI: 00:0e.0 20 * [0x12900000 - 0x129fffff] mem PCI: 00:14.0 20 * [0x12a00000 - 0x12afffff] mem PCI: 00:15.0 10 * [0x12b00000 - 0x12b0ffff] mem PCI: 00:00.1 10 * [0x12b10000 - 0x12b17fff] mem PCI: 00:0e.0 10 * [0x12b18000 - 0x12b1bfff] mem PCI: 00:0d.1 18 * [0x12b1c000 - 0x12b1cfff] mem PCI: 00:0d.2 10 * [0x12b1d000 - 0x12b1dfff] mem PCI: 00:0f.0 10 * [0x12b1e000 - 0x12b1efff] mem PCI: 00:0f.1 10 * [0x12b1f000 - 0x12b1ffff] mem PCI: 00:0f.2 10 * [0x12b20000 - 0x12b20fff] mem PCI: 00:16.0 10 * [0x12b21000 - 0x12b21fff] mem PCI: 00:16.0 18 * [0x12b22000 - 0x12b22fff] mem PCI: 00:16.1 10 * [0x12b23000 - 0x12b23fff] mem PCI: 00:16.1 18 * [0x12b24000 - 0x12b24fff] mem PCI: 00:16.2 10 * [0x12b25000 - 0x12b25fff] mem PCI: 00:16.2 18 * [0x12b26000 - 0x12b26fff] mem PCI: 00:16.3 10 * [0x12b27000 - 0x12b27fff] mem PCI: 00:16.3 18 * [0x12b28000 - 0x12b28fff] mem PCI: 00:17.0 10 * [0x12b29000 - 0x12b29fff] mem PCI: 00:17.0 18 * [0x12b2a000 - 0x12b2afff] mem PCI: 00:17.1 10 * [0x12b2b000 - 0x12b2bfff] mem PCI: 00:17.1 18 * [0x12b2c000 - 0x12b2cfff] mem PCI: 00:18.0 10 * [0x12b2d000 - 0x12b2dfff] mem PCI: 00:18.0 18 * [0x12b2e000 - 0x12b2efff] mem PCI: 00:18.1 10 * [0x12b2f000 - 0x12b2ffff] mem PCI: 00:18.1 18 * [0x12b30000 - 0x12b30fff] mem PCI: 00:18.2 18 * [0x12b31000 - 0x12b31fff] mem PCI: 00:19.0 10 * [0x12b32000 - 0x12b32fff] mem PCI: 00:19.0 18 * [0x12b33000 - 0x12b33fff] mem PCI: 00:1b.0 10 * [0x12b34000 - 0x12b34fff] mem PCI: 00:1b.0 18 * [0x12b35000 - 0x12b35fff] mem PCI: 00:1c.0 10 * [0x12b36000 - 0x12b36fff] mem PCI: 00:1c.0 18 * [0x12b37000 - 0x12b37fff] mem PCI: 00:00.2 20 * [0x12b38000 - 0x12b381ff] mem PCI: 00:1f.1 10 * [0x12b39000 - 0x12b390ff] mem DOMAIN: 0000 mem: base: 12b39100 size: 12b39100 align: 28 gran: 0 limit: ffffffff done avoid_fixed_resources: DOMAIN: 0000 avoid_fixed_resources:@DOMAIN: 0000 10000000 limit 0000ffff avoid_fixed_resources:@DOMAIN: 0000 10000100 limit ffffffff constrain_resources: PCI: 00:00.0 00 base e0000000 limit efffffff mem (fixed) constrain_resources: PCI: 00:00.0 02 base 00000000 limit 0009ffff mem (fixed) constrain_resources: PCI: 00:00.0 03 base 000c0000 limit 7affffff mem (fixed) constrain_resources: PCI: 00:00.0 05 base 7b000000 limit 7b7fffff mem (fixed) constrain_resources: PCI: 00:00.0 06 base 7b800000 limit 7fffffff mem (fixed) constrain_resources: PCI: 00:0d.0 10 base d0000000 limit d0ffffff mem (fixed) constrain_resources: PCI: 00:0d.1 20 base 00000400 limit 000004ff io (fixed) constrain_resources: PCI: 00:1f.0 00 base 00000000 limit 00000fff io (fixed) avoid_fixed_resources:@DOMAIN: 0000 10000000 base 00001000 limit 0000ffff avoid_fixed_resources:@DOMAIN: 0000 10000100 base b0000000 limit cfffffff Setting resources... DOMAIN: 0000 io: base:1000 size:60 align:6 gran:0 limit:ffff PCI: 00:02.0 20 * [0x1000 - 0x103f] io PCI: 00:1f.1 20 * [0x1040 - 0x105f] io DOMAIN: 0000 io: next_base: 1060 size: 60 align: 6 gran: 0 done PCI: 00:14.0 io: base:ffff size:0 align:12 gran:12 limit:ffff PCI: 00:14.0 io: next_base: ffff size: 0 align: 12 gran: 12 done DOMAIN: 0000 mem: base:b0000000 size:12b39100 align:28 gran:0 limit:cfffffff PCI: 00:02.0 18 * [0xb0000000 - 0xbfffffff] prefmem PCI: 00:02.0 10 * [0xc0000000 - 0xc0ffffff] mem PCI: 00:03.0 10 * [0xc1000000 - 0xc1ffffff] mem PCI: 00:00.2 18 * [0xc2000000 - 0xc27fffff] mem PCI: 00:00.2 10 * [0xc2800000 - 0xc28fffff] mem PCI: 00:0e.0 20 * [0xc2900000 - 0xc29fffff] mem PCI: 00:14.0 20 * [0xc2a00000 - 0xc2afffff] mem PCI: 00:15.0 10 * [0xc2b00000 - 0xc2b0ffff] mem PCI: 00:00.1 10 * [0xc2b10000 - 0xc2b17fff] mem PCI: 00:0e.0 10 * [0xc2b18000 - 0xc2b1bfff] mem PCI: 00:0d.1 18 * [0xc2b1c000 - 0xc2b1cfff] mem PCI: 00:0d.2 10 * [0xc2b1d000 - 0xc2b1dfff] mem PCI: 00:0f.0 10 * [0xc2b1e000 - 0xc2b1efff] mem PCI: 00:0f.1 10 * [0xc2b1f000 - 0xc2b1ffff] mem PCI: 00:0f.2 10 * [0xc2b20000 - 0xc2b20fff] mem PCI: 00:16.0 10 * [0xc2b21000 - 0xc2b21fff] mem PCI: 00:16.0 18 * [0xc2b22000 - 0xc2b22fff] mem PCI: 00:16.1 10 * [0xc2b23000 - 0xc2b23fff] mem PCI: 00:16.1 18 * [0xc2b24000 - 0xc2b24fff] mem PCI: 00:16.2 10 * [0xc2b25000 - 0xc2b25fff] mem PCI: 00:16.2 18 * [0xc2b26000 - 0xc2b26fff] mem PCI: 00:16.3 10 * [0xc2b27000 - 0xc2b27fff] mem PCI: 00:16.3 18 * [0xc2b28000 - 0xc2b28fff] mem PCI: 00:17.0 10 * [0xc2b29000 - 0xc2b29fff] mem PCI: 00:17.0 18 * [0xc2b2a000 - 0xc2b2afff] mem PCI: 00:17.1 10 * [0xc2b2b000 - 0xc2b2bfff] mem PCI: 00:17.1 18 * [0xc2b2c000 - 0xc2b2cfff] mem PCI: 00:18.0 10 * [0xc2b2d000 - 0xc2b2dfff] mem PCI: 00:18.0 18 * [0xc2b2e000 - 0xc2b2efff] mem PCI: 00:18.1 10 * [0xc2b2f000 - 0xc2b2ffff] mem PCI: 00:18.1 18 * [0xc2b30000 - 0xc2b30fff] mem PCI: 00:18.2 18 * [0xc2b31000 - 0xc2b31fff] mem PCI: 00:19.0 10 * [0xc2b32000 - 0xc2b32fff] mem PCI: 00:19.0 18 * [0xc2b33000 - 0xc2b33fff] mem PCI: 00:1b.0 10 * [0xc2b34000 - 0xc2b34fff] mem PCI: 00:1b.0 18 * [0xc2b35000 - 0xc2b35fff] mem PCI: 00:1c.0 10 * [0xc2b36000 - 0xc2b36fff] mem PCI: 00:1c.0 18 * [0xc2b37000 - 0xc2b37fff] mem PCI: 00:00.2 20 * [0xc2b38000 - 0xc2b381ff] mem PCI: 00:1f.1 10 * [0xc2b39000 - 0xc2b390ff] mem DOMAIN: 0000 mem: next_base: c2b39100 size: 12b39100 align: 28 gran: 0 done PCI: 00:14.0 prefmem: base:cfffffff size:0 align:20 gran:20 limit:cfffffff PCI: 00:14.0 prefmem: next_base: cfffffff size: 0 align: 20 gran: 20 done PCI: 00:14.0 mem: base:c2a00000 size:100000 align:20 gran:20 limit:c2afffff PCI: 01:00.0 10 * [0xc2a00000 - 0xc2a01fff] mem PCI: 00:14.0 mem: next_base: c2a02000 size: 100000 align: 20 gran: 20 done Root Device assign_resources, bus 0 link: 0 DOMAIN: 0000 assign_resources, bus 0 link: 0 PCI: 00:00.1 10 <- [0x00c2b10000 - 0x00c2b17fff] size 0x00008000 gran 0x0f mem64 PCI: 00:00.2 10 <- [0x00c2800000 - 0x00c28fffff] size 0x00100000 gran 0x14 mem64 PCI: 00:00.2 18 <- [0x00c2000000 - 0x00c27fffff] size 0x00800000 gran 0x17 mem64 PCI: 00:00.2 20 <- [0x00c2b38000 - 0x00c2b381ff] size 0x00000200 gran 0x09 mem64 PCI: 00:02.0 10 <- [0x00c0000000 - 0x00c0ffffff] size 0x01000000 gran 0x18 mem64 PCI: 00:02.0 18 <- [0x00b0000000 - 0x00bfffffff] size 0x10000000 gran 0x1c prefmem64 PCI: 00:02.0 20 <- [0x0000001000 - 0x000000103f] size 0x00000040 gran 0x06 io PCI: 00:03.0 10 <- [0x00c1000000 - 0x00c1ffffff] size 0x01000000 gran 0x18 mem64 PCI: 00:0d.1 18 <- [0x00c2b1c000 - 0x00c2b1cfff] size 0x00001000 gran 0x0c mem64 PCI: 00:0d.1 10 <- [0x00fe042000 - 0x00fe043fff] size 0x00002000 gran 0x00 mem PMC BAR PCI: 00:0d.1 20 <- [0x0000000400 - 0x00000004ff] size 0x00000100 gran 0x00 io ACPI BAR PCI: 00:0d.2 10 <- [0x00c2b1d000 - 0x00c2b1dfff] size 0x00001000 gran 0x0c mem PCI: 00:0d.3 10 <- [0x00fe900000 - 0x00fe901fff] size 0x00002000 gran 0x00 mem SRAM BAR 0 PCI: 00:0d.3 18 <- [0x00fe902000 - 0x00fe902fff] size 0x00001000 gran 0x00 mem SRAM BAR 2 PCI: 00:0e.0 10 <- [0x00c2b18000 - 0x00c2b1bfff] size 0x00004000 gran 0x0e mem64 PCI: 00:0e.0 20 <- [0x00c2900000 - 0x00c29fffff] size 0x00100000 gran 0x14 mem64 PCI: 00:0e.0 assign_resources, bus 0 link: 0 PCI: 00:0e.0 assign_resources, bus 0 link: 0 PCI: 00:0f.0 10 <- [0x00c2b1e000 - 0x00c2b1efff] size 0x00001000 gran 0x0c mem64 PCI: 00:0f.1 10 <- [0x00c2b1f000 - 0x00c2b1ffff] size 0x00001000 gran 0x0c mem64 PCI: 00:0f.2 10 <- [0x00c2b20000 - 0x00c2b20fff] size 0x00001000 gran 0x0c mem64 PCI: 00:14.0 1c <- [0x000000ffff - 0x000000fffe] size 0x00000000 gran 0x0c bus 01 io PCI: 00:14.0 24 <- [0x00cfffffff - 0x00cffffffe] size 0x00000000 gran 0x14 bus 01 prefmem PCI: 00:14.0 20 <- [0x00c2a00000 - 0x00c2afffff] size 0x00100000 gran 0x14 bus 01 mem PCI: 00:14.0 assign_resources, bus 1 link: 0 PCI: 01:00.0 10 <- [0x00c2a00000 - 0x00c2a01fff] size 0x00002000 gran 0x0d mem64 PCI: 00:14.0 assign_resources, bus 1 link: 0 PCI: 00:15.0 10 <- [0x00c2b00000 - 0x00c2b0ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:16.0 10 <- [0x00c2b21000 - 0x00c2b21fff] size 0x00001000 gran 0x0c mem64 PCI: 00:16.0 18 <- [0x00c2b22000 - 0x00c2b22fff] size 0x00001000 gran 0x0c mem64 PCI: 00:16.0 assign_resources, bus 1 link: 0 PCI: 00:16.0 assign_resources, bus 1 link: 0 PCI: 00:16.1 10 <- [0x00c2b23000 - 0x00c2b23fff] size 0x00001000 gran 0x0c mem64 PCI: 00:16.1 18 <- [0x00c2b24000 - 0x00c2b24fff] size 0x00001000 gran 0x0c mem64 PCI: 00:16.2 10 <- [0x00c2b25000 - 0x00c2b25fff] size 0x00001000 gran 0x0c mem64 PCI: 00:16.2 18 <- [0x00c2b26000 - 0x00c2b26fff] size 0x00001000 gran 0x0c mem64 PCI: 00:16.2 assign_resources, bus 2 link: 0 PCI: 00:16.2 assign_resources, bus 2 link: 0 PCI: 00:16.3 10 <- [0x00c2b27000 - 0x00c2b27fff] size 0x00001000 gran 0x0c mem64 PCI: 00:16.3 18 <- [0x00c2b28000 - 0x00c2b28fff] size 0x00001000 gran 0x0c mem64 PCI: 00:16.3 assign_resources, bus 3 link: 0 PCI: 00:16.3 assign_resources, bus 3 link: 0 PCI: 00:17.0 10 <- [0x00c2b29000 - 0x00c2b29fff] size 0x00001000 gran 0x0c mem64 PCI: 00:17.0 18 <- [0x00c2b2a000 - 0x00c2b2afff] size 0x00001000 gran 0x0c mem64 PCI: 00:17.0 assign_resources, bus 4 link: 0 PCI: 00:17.0 assign_resources, bus 4 link: 0 PCI: 00:17.1 10 <- [0x00c2b2b000 - 0x00c2b2bfff] size 0x00001000 gran 0x0c mem64 PCI: 00:17.1 18 <- [0x00c2b2c000 - 0x00c2b2cfff] size 0x00001000 gran 0x0c mem64 PCI: 00:17.1 assign_resources, bus 5 link: 0 PCI: 00:17.1 assign_resources, bus 5 link: 0 PCI: 00:18.0 10 <- [0x00c2b2d000 - 0x00c2b2dfff] size 0x00001000 gran 0x0c mem64 PCI: 00:18.0 18 <- [0x00c2b2e000 - 0x00c2b2efff] size 0x00001000 gran 0x0c mem64 PCI: 00:18.1 10 <- [0x00c2b2f000 - 0x00c2b2ffff] size 0x00001000 gran 0x0c mem64 PCI: 00:18.1 18 <- [0x00c2b30000 - 0x00c2b30fff] size 0x00001000 gran 0x0c mem64 PCI: 00:18.2 18 <- [0x00c2b31000 - 0x00c2b31fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.0 10 <- [0x00c2b32000 - 0x00c2b32fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.0 18 <- [0x00c2b33000 - 0x00c2b33fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1b.0 10 <- [0x00c2b34000 - 0x00c2b34fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1b.0 18 <- [0x00c2b35000 - 0x00c2b35fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1c.0 10 <- [0x00c2b36000 - 0x00c2b36fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1c.0 18 <- [0x00c2b37000 - 0x00c2b37fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1f.0 assign_resources, bus 0 link: 0 PNP: 0c09.0 missing set_resources PCI: 00:1f.0 assign_resources, bus 0 link: 0 LPC: Trying to open IO window from 800 size 1ff LPC: Opened IO window LGIR3: base 800 size 100 LPC: Cannot open IO window: 900 size ff No more IO windows PCI: 00:1f.1 10 <- [0x00c2b39000 - 0x00c2b390ff] size 0x00000100 gran 0x08 mem64 PCI: 00:1f.1 20 <- [0x0000001040 - 0x000000105f] size 0x00000020 gran 0x05 io DOMAIN: 0000 assign_resources, bus 0 link: 0 Root Device assign_resources, bus 0 link: 0 Done setting resources. Show resources in subtree (Root Device)...After assigning values. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 1000 size 60 align 6 gran 0 limit ffff flags 40040100 index 10000000 DOMAIN: 0000 resource base b0000000 size 12b39100 align 28 gran 0 limit cfffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 10000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 2 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 3 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index 5 PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base 100000000 size 80000000 align 0 gran 0 limit 0 flags e0004200 index 7 PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index 8 PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index 9 PCI: 00:00.0 resource base 11800000 size 400000 align 0 gran 0 limit 0 flags f0004200 index a PCI: 00:00.0 resource base 11000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 12000000 size 100000 align 0 gran 0 limit 0 flags f0004200 index c PCI: 00:00.0 resource base 12150000 size 1000 align 0 gran 0 limit 0 flags f0004200 index d PCI: 00:00.0 resource base 12140000 size 10000 align 0 gran 0 limit 0 flags f0004200 index e PCI: 00:00.0 resource base 10000000 size 1000000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:00.0 resource base 11c00000 size 400000 align 0 gran 0 limit 0 flags f0004200 index 10 PCI: 00:00.0 resource base 12100000 size 40000 align 0 gran 0 limit 0 flags f0004200 index 11 PCI: 00:00.1 PCI: 00:00.1 resource base c2b10000 size 8000 align 15 gran 15 limit c2b17fff flags 60000201 index 10 PCI: 00:00.2 PCI: 00:00.2 resource base c2800000 size 100000 align 20 gran 20 limit c28fffff flags 60000201 index 10 PCI: 00:00.2 resource base c2000000 size 800000 align 23 gran 23 limit c27fffff flags 60000201 index 18 PCI: 00:00.2 resource base c2b38000 size 200 align 12 gran 9 limit c2b381ff flags 60000201 index 20 PCI: 00:02.0 PCI: 00:02.0 resource base c0000000 size 1000000 align 24 gran 24 limit c0ffffff flags 60000201 index 10 PCI: 00:02.0 resource base b0000000 size 10000000 align 28 gran 28 limit bfffffff flags 60001201 index 18 PCI: 00:02.0 resource base 1000 size 40 align 6 gran 6 limit 103f flags 60000100 index 20 PCI: 00:03.0 PCI: 00:03.0 resource base c1000000 size 1000000 align 24 gran 24 limit c1ffffff flags 60000201 index 10 PCI: 00:0d.0 PCI: 00:0d.0 resource base d0000000 size 1000000 align 0 gran 0 limit 0 flags f0000200 index 10 PCI: 00:0d.1 PCI: 00:0d.1 resource base fe042000 size 2000 align 0 gran 0 limit 0 flags e0000200 index 10 PCI: 00:0d.1 resource base c2b1c000 size 1000 align 12 gran 12 limit c2b1cfff flags 60000201 index 18 PCI: 00:0d.1 resource base 400 size 100 align 0 gran 0 limit 0 flags e0000100 index 20 PCI: 00:0d.2 PCI: 00:0d.2 resource base c2b1d000 size 1000 align 12 gran 12 limit c2b1dfff flags 60000200 index 10 PCI: 00:0d.3 PCI: 00:0d.3 resource base fe900000 size 2000 align 0 gran 0 limit 0 flags e0000200 index 10 PCI: 00:0d.3 resource base fe902000 size 1000 align 0 gran 0 limit 0 flags e0000200 index 18 PCI: 00:0e.0 child on link 0 GENERIC: 0.0 PCI: 00:0e.0 resource base c2b18000 size 4000 align 14 gran 14 limit c2b1bfff flags 60000201 index 10 PCI: 00:0e.0 resource base c2900000 size 100000 align 20 gran 20 limit c29fffff flags 60000201 index 20 GENERIC: 0.0 PCI: 00:0f.0 PCI: 00:0f.0 resource base c2b1e000 size 1000 align 12 gran 12 limit c2b1efff flags 60000201 index 10 PCI: 00:0f.1 PCI: 00:0f.1 resource base c2b1f000 size 1000 align 12 gran 12 limit c2b1ffff flags 60000201 index 10 PCI: 00:0f.2 PCI: 00:0f.2 resource base c2b20000 size 1000 align 12 gran 12 limit c2b20fff flags 60000201 index 10 PCI: 00:11.0 PCI: 00:12.0 PCI: 00:13.0 PCI: 00:13.1 PCI: 00:13.2 PCI: 00:13.3 PCI: 00:14.0 child on link 0 PCI: 01:00.0 PCI: 00:14.0 resource base ffff size 0 align 12 gran 12 limit ffff flags 60080102 index 1c PCI: 00:14.0 resource base cfffffff size 0 align 20 gran 20 limit cfffffff flags 60081202 index 24 PCI: 00:14.0 resource base c2a00000 size 100000 align 20 gran 20 limit c2afffff flags 60080202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base c2a00000 size 2000 align 13 gran 13 limit c2a01fff flags 60000201 index 10 PCI: 00:14.1 PCI: 00:15.0 PCI: 00:15.0 resource base c2b00000 size 10000 align 16 gran 16 limit c2b0ffff flags 60000201 index 10 PCI: 00:15.1 PCI: 00:16.0 child on link 0 I2C: 01:1a PCI: 00:16.0 resource base c2b21000 size 1000 align 12 gran 12 limit c2b21fff flags 60000201 index 10 PCI: 00:16.0 resource base c2b22000 size 1000 align 12 gran 12 limit c2b22fff flags 60000201 index 18 I2C: 01:1a PCI: 00:16.1 PCI: 00:16.1 resource base c2b23000 size 1000 align 12 gran 12 limit c2b23fff flags 60000201 index 10 PCI: 00:16.1 resource base c2b24000 size 1000 align 12 gran 12 limit c2b24fff flags 60000201 index 18 PCI: 00:16.2 child on link 0 I2C: 02:50 PCI: 00:16.2 resource base c2b25000 size 1000 align 12 gran 12 limit c2b25fff flags 60000201 index 10 PCI: 00:16.2 resource base c2b26000 size 1000 align 12 gran 12 limit c2b26fff flags 60000201 index 18 I2C: 02:50 PCI: 00:16.3 child on link 0 I2C: 03:10 PCI: 00:16.3 resource base c2b27000 size 1000 align 12 gran 12 limit c2b27fff flags 60000201 index 10 PCI: 00:16.3 resource base c2b28000 size 1000 align 12 gran 12 limit c2b28fff flags 60000201 index 18 I2C: 03:10 I2C: 03:39 PCI: 00:17.0 child on link 0 I2C: 04:15 PCI: 00:17.0 resource base c2b29000 size 1000 align 12 gran 12 limit c2b29fff flags 60000201 index 10 PCI: 00:17.0 resource base c2b2a000 size 1000 align 12 gran 12 limit c2b2afff flags 60000201 index 18 I2C: 04:15 I2C: 04:2c PCI: 00:17.1 child on link 0 I2C: 05:09 PCI: 00:17.1 resource base c2b2b000 size 1000 align 12 gran 12 limit c2b2bfff flags 60000201 index 10 PCI: 00:17.1 resource base c2b2c000 size 1000 align 12 gran 12 limit c2b2cfff flags 60000201 index 18 I2C: 05:09 PCI: 00:17.2 PCI: 00:17.3 PCI: 00:18.0 PCI: 00:18.0 resource base c2b2d000 size 1000 align 12 gran 12 limit c2b2dfff flags 60000201 index 10 PCI: 00:18.0 resource base c2b2e000 size 1000 align 12 gran 12 limit c2b2efff flags 60000201 index 18 PCI: 00:18.1 PCI: 00:18.1 resource base c2b2f000 size 1000 align 12 gran 12 limit c2b2ffff flags 60000201 index 10 PCI: 00:18.1 resource base c2b30000 size 1000 align 12 gran 12 limit c2b30fff flags 60000201 index 18 PCI: 00:18.2 PCI: 00:18.2 resource base de000000 size 1000 align 0 gran 0 limit 0 flags e0000200 index 10 PCI: 00:18.2 resource base c2b31000 size 1000 align 12 gran 12 limit c2b31fff flags 60000201 index 18 PCI: 00:18.3 PCI: 00:19.0 PCI: 00:19.0 resource base c2b32000 size 1000 align 12 gran 12 limit c2b32fff flags 60000201 index 10 PCI: 00:19.0 resource base c2b33000 size 1000 align 12 gran 12 limit c2b33fff flags 60000201 index 18 PCI: 00:19.1 PCI: 00:19.2 PCI: 00:1a.0 PCI: 00:1b.0 PCI: 00:1b.0 resource base c2b34000 size 1000 align 12 gran 12 limit c2b34fff flags 60000201 index 10 PCI: 00:1b.0 resource base c2b35000 size 1000 align 12 gran 12 limit c2b35fff flags 60000201 index 18 PCI: 00:1c.0 PCI: 00:1c.0 resource base c2b36000 size 1000 align 12 gran 12 limit c2b36fff flags 60000201 index 10 PCI: 00:1c.0 resource base c2b37000 size 1000 align 12 gran 12 limit c2b37fff flags 60000201 index 18 PCI: 00:1e.0 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.1 resource base c2b39000 size 100 align 12 gran 8 limit c2b390ff flags 60000201 index 10 PCI: 00:1f.1 resource base 1040 size 20 align 5 gran 5 limit 105f flags 60000100 index 20 Done allocating resources. BS: BS_DEV_RESOURCES times (us): entry 0 run 2958730 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 169 run 112663 exit 0 FMAP: area FPF_STATUS found @ 42f000 (4096 bytes) Initializing devices... Root Device init ... Root Device init finished in 2144 usecs CPU_CLUSTER: 0 init ... MTRR: Physical address space: 0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6 0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0 0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6 0x000000007b800000 - 0x00000000b0000000 size 0x34800000 type 0 0x00000000b0000000 - 0x00000000c0000000 size 0x10000000 type 1 0x00000000c0000000 - 0x0000000100000000 size 0x40000000 type 0 0x0000000100000000 - 0x0000000180000000 size 0x80000000 type 6 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 call enable_fixed_mtrr() CPU physical address size: 39 bits MTRR: default type WB/UC MTRR counts: 6/8. MTRR: WB selected as default type. MTRR: 0 base 0x000000007b800000 mask 0x0000007fff800000 type 0 MTRR: 1 base 0x000000007c000000 mask 0x0000007ffc000000 type 0 MTRR: 2 base 0x0000000080000000 mask 0x0000007fe0000000 type 0 MTRR: 3 base 0x00000000a0000000 mask 0x0000007ff0000000 type 0 MTRR: 4 base 0x00000000b0000000 mask 0x0000007ff0000000 type 1 MTRR: 5 base 0x00000000c0000000 mask 0x0000007fc0000000 type 0 MTRR check Fixed MTRRs : Enabled Variable MTRRs: Enabled Detected 4 core, 4 thread CPU. Will perform SMM setup. FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'cpu_microcode_blob.bin' CBFS: Found @ offset 11d40 size 4000 microcode: sig=0x506c9 pf=0x1 revision=0x2c CPU: Intel(R) Pentium(R) CPU N4200 @ 1.10GHz. Loading module at 00030000 with entry 00030000. filesize: 0x130 memsize: 0x130 Processing 16 relocs. Offset value of 0x00030000 Attempting to start 3 APs Waiting for 10ms after sending INIT. Waiting for 1st SIPI to complete...AP: slot 1 apic_id 6. done. Waiting for 2nd SIPI to complete...done. AP: slot 3 apic_id 4. AP: slot 2 apic_id 2. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 12 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab9065d(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010cfc. filesize: 0x3550 memsize: 0x7630 Processing 229 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 12 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd SMM Module: stub loaded at 7b008000. Will call 7b010cfc(00000000) Clearing SMI status registers New SMBASE 0x7afff400 Relocation complete. New SMBASE 0x7afff800 Relocation complete. New SMBASE 0x7afffc00 Relocation complete. New SMBASE 0x7b000000 Relocation complete. Initializing CPU #0 CPU: vendor Intel device 506c9 CPU: family 06, model 5c, stepping 09 CPU #0 initialized Initializing CPU #2 Initializing CPU #3 CPU: vendor Intel device 506c9 CPU: family 06, model 5c, stepping 09 Initializing CPU #1 CPU #2 initialized CPU: vendor Intel device 506c9 CPU: family 06, model 5c, stepping 09 CPU: vendor Intel device 506c9 CPU: family 06, model 5c, stepping 09 CPU #3 initialized CPU #1 initialized Enabling SMIs. MTRR: TEMPORARY Physical address space: 0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6 0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0 0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6 0x000000007b800000 - 0x00000000ff000000 size 0x83800000 type 0 0x00000000ff000000 - 0x0000000100000000 size 0x01000000 type 5 0x0000000100000000 - 0x0000000180000000 size 0x80000000 type 6 MTRR: default type WB/UC MTRR counts: 10/8. MTRR: UC selected as default type. MTRR: 0 base 0x0000000000000000 mask 0x0000007fc0000000 type 6 MTRR: 1 base 0x0000000040000000 mask 0x0000007fe0000000 type 6 MTRR: 2 base 0x0000000060000000 mask 0x0000007ff0000000 type 6 MTRR: 3 base 0x0000000070000000 mask 0x0000007ff8000000 type 6 MTRR: 4 base 0x0000000078000000 mask 0x0000007ffc000000 type 6 MTRR: 5 base 0x000000007b800000 mask 0x0000007fff800000 type 0 MTRR: 6 base 0x00000000ff000000 mask 0x0000007fff000000 type 5 MTRR: 7 base 0x0000000100000000 mask 0x0000007f00000000 type 6 CPU_CLUSTER: 0 init finished in 469059 usecs PCI: 00:00.0 init ... PCI: 00:00.0 init finished in 2240 usecs PCI: 00:00.1 init ... PCI: 00:00.1 init finished in 2239 usecs PCI: 00:00.2 init ... PCI: 00:00.2 init finished in 2238 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2238 usecs PCI: 00:03.0 init ... PCI: 00:03.0 init finished in 2238 usecs PCI: 00:0d.1 init ... gpe0_sts[0]: 00000000 gpe0_en[0]: 00000000 gpe0_sts[1]: 0ead33f7 gpe0_en[1]: 00000000 gpe0_sts[2]: 3ffd0024 gpe0_en[2]: 00000000 gpe0_sts[3]: 800ec00e gpe0_en[3]: 00000000 Disabling ACPI via APMC:Done. SLP S3 assertion width: 50000 usecs PCI: 00:0d.1 init finished in 27412 usecs PCI: 00:0d.2 init ... PCI: 00:0d.2 init finished in 2233 usecs PCI: 00:0f.0 init ... PCI: 00:0f.0 init finished in 2248 usecs PCI: 00:0f.1 init ... PCI: 00:0f.1 init finished in 2240 usecs PCI: 00:0f.2 init ... PCI: 00:0f.2 init finished in 2240 usecs PCI: 00:15.0 init ... PCI: 00:15.0 init finished in 2241 usecs PCI: 00:16.0 init ... LPSS I2C bus 0 at 0xc2b21000 (400 KHz) PCI: 00:16.0 init finished in 6137 usecs PCI: 00:16.1 init ... LPSS I2C bus 1 at 0xc2b23000 (400 KHz) PCI: 00:16.1 init finished in 6125 usecs PCI: 00:16.2 init ... LPSS I2C bus 2 at 0xc2b25000 (400 KHz) PCI: 00:16.2 init finished in 6122 usecs PCI: 00:16.3 init ... LPSS I2C bus 3 at 0xc2b27000 (400 KHz) PCI: 00:16.3 init finished in 6135 usecs PCI: 00:17.0 init ... LPSS I2C bus 4 at 0xc2b29000 (400 KHz) PCI: 00:17.0 init finished in 6128 usecs PCI: 00:17.1 init ... LPSS I2C bus 5 at 0xc2b2b000 (400 KHz) PCI: 00:17.1 init finished in 6130 usecs PCI: 00:19.0 init ... PCI: 00:19.0 init finished in 2240 usecs PCI: 00:1c.0 init ... PCI: 00:1c.0 init finished in 2239 usecs PCI: 00:1f.0 init ... RTC Init PCI: 00:1f.0 init finished in 3566 usecs PCI: 00:1f.1 init ... PCI: 00:1f.1 init finished in 2234 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2239 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 42266 usecs Devices initialized Show all devs... After init. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 APIC: 00: enabled 1 DOMAIN: 0000: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:00.1: enabled 1 PCI: 00:00.2: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:03.0: enabled 1 PCI: 00:0d.0: enabled 1 PCI: 00:0d.1: enabled 1 PCI: 00:0d.2: enabled 1 PCI: 00:0d.3: enabled 1 PCI: 00:0e.0: enabled 1 GENERIC: 0.0: enabled 1 PCI: 00:11.0: enabled 0 PCI: 00:12.0: enabled 0 PCI: 00:13.0: enabled 0 PCI: 00:13.1: enabled 0 PCI: 00:13.2: enabled 0 PCI: 00:13.3: enabled 0 PCI: 00:14.0: enabled 1 PCI: 01:00.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 0 PCI: 00:16.0: enabled 1 I2C: 01:1a: enabled 1 PCI: 00:16.1: enabled 1 PCI: 00:16.2: enabled 1 I2C: 02:50: enabled 1 PCI: 00:16.3: enabled 1 I2C: 03:10: enabled 1 I2C: 03:39: enabled 1 PCI: 00:17.0: enabled 1 I2C: 04:15: enabled 1 I2C: 04:2c: enabled 1 PCI: 00:17.1: enabled 1 I2C: 05:09: enabled 1 PCI: 00:17.2: enabled 0 PCI: 00:17.3: enabled 0 PCI: 00:18.0: enabled 1 PCI: 00:18.1: enabled 1 PCI: 00:18.2: enabled 1 PCI: 00:18.3: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 0 PCI: 00:19.2: enabled 0 PCI: 00:1a.0: enabled 0 PCI: 00:1b.0: enabled 1 PCI: 00:1c.0: enabled 1 PCI: 00:1e.0: enabled 0 PCI: 00:1f.0: enabled 1 PNP: 0c09.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:0f.0: enabled 1 PCI: 00:0f.1: enabled 1 PCI: 00:0f.2: enabled 1 APIC: 06: enabled 1 APIC: 02: enabled 1 APIC: 04: enabled 1 BS: BS_DEV_INIT times (us): entry 5011 run 883306 exit 887 ELOG: Event(A1) added with size 10 at 2023-01-24 12:41:45 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2023-01-24 12:41:45 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 24939 run 3957 exit 5300 BS: BS_OS_RESUME_CHECK times (us): entry 0 run 60 exit 0 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/dsdt.aml' CBFS: Found @ offset b7600 size 2e40 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/slic' CBFS: 'fallback/slic' not found. ACPI: Writing ACPI tables at 7ab10000. ACPI: * FACS ACPI: * DSDT Ramoops buffer: 0x100000@0x7aa10000. ACPI: * FADT SCI is IRQ9 ACPI: added table 1/32, length now 40 ACPI: * SSDT Found 1 CPU(s) with 4 core(s) each. Turbo is available and visible PSS: 1101MHz power 6000 control 0x1900 status 0x1900 PSS: 1100MHz power 6000 control 0xb00 status 0xb00 PSS: 1000MHz power 5388 control 0xa00 status 0xa00 PSS: 800MHz power 4213 control 0x800 status 0x800 PSS: 1101MHz power 6000 control 0x1900 status 0x1900 PSS: 1100MHz power 6000 control 0xb00 status 0xb00 PSS: 1000MHz power 5388 control 0xa00 status 0xa00 PSS: 800MHz power 4213 control 0x800 status 0x800 PSS: 1101MHz power 6000 control 0x1900 status 0x1900 PSS: 1100MHz power 6000 control 0xb00 status 0xb00 PSS: 1000MHz power 5388 control 0xa00 status 0xa00 PSS: 800MHz power 4213 control 0x800 status 0x800 PSS: 1101MHz power 6000 control 0x1900 status 0x1900 PSS: 1100MHz power 6000 control 0xb00 status 0xb00 PSS: 1000MHz power 5388 control 0xa00 status 0xa00 PSS: 800MHz power 4213 control 0x800 status 0x800 \_SB.PCI0.HDAS.MAXM: Maxim Integrated 98357A Amplifier Error: Could not locate 'wifi_sar' in VPD Error: failed from getting SAR limits! \_SB.PCI0.RP01.WIFI: Intel WiFi PCI: 01:00.0 lpss_i2c: bad counts. hcnt = -8 lcnt = 14 \_SB.PCI0.I2C0.DLG7: Dialog Semiconductor DA7219 Audio Codec address 01ah irq 91 lpss_i2c: bad counts. hcnt = -5 lcnt = 17 \_SB.PCI0.I2C2.TPMI: I2C TPM at I2C: 02:50 lpss_i2c: bad counts. hcnt = -1 lcnt = 77 lpss_i2c: bad counts. hcnt = -23 lcnt = 32 \_SB.PCI0.I2C3.D010: ELAN Touchscreen at I2C: 03:10 \_SB.PCI0.I2C3.D039: Raydium Touchscreen at I2C: 03:39 lpss_i2c: bad counts. hcnt = -1 lcnt = 72 lpss_i2c: bad counts. hcnt = -23 lcnt = 27 \_SB.PCI0.I2C4.D015: ELAN Touchpad at I2C: 04:15 \_SB.PCI0.I2C4.H02C: Synaptics Touchpad at I2C: 04:2c lpss_i2c: bad counts. hcnt = -5 lcnt = 4 \_SB.PCI0.I2C5.H009: WCOM Digitizer at I2C: 05:09 ACPI: added table 2/32, length now 44 ACPI: * MCFG ACPI: added table 3/32, length now 48 ACPI: * TCPA TCPA log created at 7aa00000 ACPI: added table 4/32, length now 52 ACPI: * MADT SCI is IRQ9 ACPI: added table 5/32, length now 56 current = 7ab14920 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'dmic-4ch-48khz-16b.bin' CBFS: Found @ offset 2e1c0 size be8 Added 4CH DMIC array. FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 2ef00 size 64 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 2ef00 size 64 Added Dialog_7219 codec. FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'max98357-render-2ch-48khz-24b.bin' CBFS: Found @ offset 2ee00 size 74 Added Maxim_98357 codec. ACPI: * NHLT ACPI: added table 6/32, length now 60 ACPI: * IGD OpRegion ACPI: * HPET ACPI: added table 7/32, length now 64 ACPI: done. ACPI tables: 30656 bytes. smbios_write_tables: 7a9fd000 Create SMBIOS type 17 Root Device (Google Coral) CPU_CLUSTER: 0 (Intel Apollolake SOC) APIC: 00 (Intel Apollolake SOC) DOMAIN: 0000 (Intel Apollolake SOC) PCI: 00:00.0 (Intel Apollolake SOC) PCI: 00:00.1 (Intel Apollolake SOC) PCI: 00:00.2 (Intel Apollolake SOC) PCI: 00:02.0 (Intel Apollolake SOC) PCI: 00:03.0 (Intel Apollolake SOC) PCI: 00:0d.0 (Intel Apollolake SOC) PCI: 00:0d.1 (Intel Apollolake SOC) PCI: 00:0d.2 (Intel Apollolake SOC) PCI: 00:0d.3 (Intel Apollolake SOC) PCI: 00:0e.0 (Intel Apollolake SOC) GENERIC: 0.0 (Maxim Integrated 98357A Amplifier) PCI: 00:11.0 (Intel Apollolake SOC) PCI: 00:12.0 (Intel Apollolake SOC) PCI: 00:13.0 (Intel Apollolake SOC) PCI: 00:13.1 (Intel Apollolake SOC) PCI: 00:13.2 (Intel Apollolake SOC) PCI: 00:13.3 (Intel Apollolake SOC) PCI: 00:14.0 (Intel Apollolake SOC) PCI: 01:00.0 (Intel WiFi) PCI: 00:14.1 (Intel Apollolake SOC) PCI: 00:15.0 (Intel Apollolake SOC) PCI: 00:15.1 (Intel Apollolake SOC) PCI: 00:16.0 (Intel Apollolake SOC) I2C: 01:1a (Dialog Semiconductor DA7219 Audio Codec) PCI: 00:16.1 (Intel Apollolake SOC) PCI: 00:16.2 (Intel Apollolake SOC) I2C: 02:50 (I2C TPM) PCI: 00:16.3 (Intel Apollolake SOC) I2C: 03:10 (I2C Device) I2C: 03:39 (I2C Device) PCI: 00:17.0 (Intel Apollolake SOC) I2C: 04:15 (I2C Device) I2C: 04:2c (I2C HID Device) PCI: 00:17.1 (Intel Apollolake SOC) I2C: 05:09 (I2C HID Device) PCI: 00:17.2 (Intel Apollolake SOC) PCI: 00:17.3 (Intel Apollolake SOC) PCI: 00:18.0 (Intel Apollolake SOC) PCI: 00:18.1 (Intel Apollolake SOC) PCI: 00:18.2 (Intel Apollolake SOC) PCI: 00:18.3 (Intel Apollolake SOC) PCI: 00:19.0 (Intel Apollolake SOC) PCI: 00:19.1 (Intel Apollolake SOC) PCI: 00:19.2 (Intel Apollolake SOC) PCI: 00:1a.0 (Intel Apollolake SOC) PCI: 00:1b.0 (Intel Apollolake SOC) PCI: 00:1c.0 (Intel Apollolake SOC) PCI: 00:1e.0 (Intel Apollolake SOC) PCI: 00:1f.0 (Intel Apollolake SOC) PNP: 0c09.0 (Google Chrome EC) PCI: 00:1f.1 (Intel Apollolake SOC) PCI: 00:0f.0 (unknown) PCI: 00:0f.1 (unknown) PCI: 00:0f.2 (unknown) APIC: 06 (unknown) APIC: 02 (unknown) APIC: 04 (unknown) SMBIOS tables: 839 bytes. Writing table forward entry at 0x00000500 Wrote coreboot table at: 00000500, 0x10 bytes, checksum 452b Writing coreboot table at 0x7ab34000 0. 0000000000000000-0000000000000fff: CONFIGURATION TABLES 1. 0000000000001000-000000000009ffff: RAM 2. 00000000000a0000-00000000000fffff: RESERVED 3. 0000000000100000-000000000fffffff: RAM 4. 0000000010000000-0000000012150fff: RESERVED 5. 0000000012151000-000000007a9fcfff: RAM 6. 000000007a9fd000-000000007affffff: CONFIGURATION TABLES 7. 000000007b000000-000000007fffffff: RESERVED 8. 00000000d0000000-00000000d0ffffff: RESERVED 9. 00000000e0000000-00000000efffffff: RESERVED 10. 00000000fed10000-00000000fed17fff: RESERVED 11. 0000000100000000-000000017fffffff: RAM Graphics framebuffer located at 0xb0000000 Passing 6 GPIOs to payload: NAME | PORT | POLARITY | VALUE write protect | undefined | high | high recovery | undefined | high | high lid | undefined | high | low power | undefined | high | high oprom | undefined | high | high EC in RW | 0x00000029 | high | high FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) Wrote coreboot table at: 7ab34000, 0x5f4 bytes, checksum 5a00 coreboot table: 1548 bytes. IMD ROOT 0. 7afff000 00001000 IMD SMALL 1. 7affe000 00001000 FSP MEMORY 2. 7abfe000 00400000 CONSOLE 3. 7abde000 00020000 TIME STAMP 4. 7abdd000 00000400 VBOOT 5. 7abdc000 00000c0c MRC DATA 6. 7abd0000 0000b2d0 ROMSTG STCK 7. 7abcf000 00000400 AFTER CAR 8. 7abc5000 0000a000 RAMSTAGE 9. 7ab77000 0004e000 REFCODE 10. 7ab4d000 0002a000 ACPI GNVS 11. 7ab4c000 00001000 SMM BACKUP 12. 7ab3c000 00010000 COREBOOT 13. 7ab34000 00008000 ACPI 14. 7ab10000 00024000 RAMOOPS 15. 7aa10000 00100000 TCPA LOG 16. 7aa00000 00010000 EXT VBT17. 7a9fe000 0000180a SMBIOS 18. 7a9fd000 00000800 IMD small region: IMD ROOT 0. 7affec00 00000400 FSP RUNTIME 1. 7affebe0 00000004 VBOOT SEL 2. 7affebc0 00000008 EC HOSTEVENT 3. 7affeba0 00000004 POWER STATE 4. 7affeb60 00000040 ROMSTAGE 5. 7affeb40 00000004 VARMRC DATA 6. 7affeb00 00000028 MEM INFO 7. 7affe9a0 00000141 VPD 8. 7affe940 00000047 GNVS PTR 9. 7affe920 00000004 BS: BS_WRITE_TABLES times (us): entry 0 run 818355 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 177 run 108311 exit 30984 Jumping to boot code at 30104040(7ab34000) CPU0: stack: 7abb4000 - 7abb5000, lowest used address 7abb481c, stack used: 2020 bytes Starting depthcharge on coral... WARNING: can't convert coreboot GPIOs, 'lid' won't be resampled at runtime! WARNING: can't convert coreboot GPIOs, 'power' won't be resampled at runtime! BIOS MMAP details: IFD Base Offset : 0x1000 IFD End Offset : 0xf7f000 MMAP Size : 0xf7e000 MMAP Start : 0xff082000 The GBB signature is at 0x30004040 and is: 24 47 42 42 [firmware-coral-10068.B-rcn] Dec 21 2020 15:04:32 coral: enet dhcp enet dhcp Waiting for link R8152: Initializing Version 9 (ocp_data = 6010) R8152: Done initializing Adding net device done. MAC: 00:e0:4c:75:01:bd Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.15 The DHCP server ip is 192.168.201.1 coral: tftpboot 192.168.201.1 8854050/tftp-deploy-hvdsqaa9/kernel/bzImage 8854050/tftp-deploy-hvdsqaa9/kernel/cmdline 8854050/tftp-deploy-hvdsqaa9/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 8854050/tftp-deploy-hvdsqaa9/kernel/bzImaloy-hvdsqaa9/kernel/cmdline 8854050/tftp-deploy-hvdsqaa9/ramdisk/ramdisk.cpio.gz Waiting for link done. MAC: 00:e0:4c:75:01:bd Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.15 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 8854050/tftp-deploy-hvdsqaa9/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 14320928 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: 8854050/tftp-deploy-hvdsqaa9/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/8854050/extract-nfsrootfs-9zbqzxv6,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: 19567982 Starting kernel ... [ 0.000000] Linux version 5.10.165-cip24 (KernelCI@build-j904054-x86-64-gcc-10-x86-64-defconfig-x86-chromeboojc48s) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Tue Jan 24 12:25:51 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/8854050/extract-nfsrootfs-9zbqzxv6,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 [ 0.000055] last_pfn = 0x180000 max_arch_pfn = 0x400000000 [ 0.000316] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.001188] last_pfn = 0x7a9fd max_arch_pfn = 0x400000000 [ 0.005281] check: Scanning 1 areas for low memory corruption [ 0.005294] Using GB pages for direct mapping [ 0.005647] RAMDISK: [mem 0x377c5000-0x37ffffff] [ 0.005654] ACPI: Early table checksum verification disabled [ 0.005663] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) [ 0.005674] ACPI: XSDT 0x000000007AB100E0 00005C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.005688] ACPI: FACP 0x000000007AB13130 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.005702] ACPI: DSDT 0x000000007AB10280 002EA8 (v05 COREv4 COREBOOT 20110725 INTL 20150717) [ 0.005712] ACPI: FACS 0x000000007AB10240 000040 [ 0.005722] ACPI: FACS 0x000000007AB10240 000040 [ 0.005731] ACPI: SSDT 0x000000007AB13230 0015FA (v02 CORE COREBOOT 0000002A CORE 0000002A) [ 0.005741] ACPI: MCFG 0x000000007AB14830 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.005751] ACPI: TCPA 0x000000007AB14870 000032 (v02 CORE COREBOOT 00000000 CORE 00000000) [ 0.005761] ACPI: APIC 0x000000007AB148B0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.005770] ACPI: NHLT 0x000000007AB14920 000E60 (v05 coral coral 00000021 CORE 00000000) [ 0.005781] ACPI: HPET 0x000000007AB17780 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.005791] ACPI: Reserving FACP table memory at [mem 0x7ab13130-0x7ab13223] [ 0.005795] ACPI: Reserving DSDT table memory at [mem 0x7ab10280-0x7ab13127] [ 0.005799] ACPI: Reserving FACS table memory at [mem 0x7ab10240-0x7ab1027f] [ 0.005803] ACPI: Reserving FACS table memory at [mem 0x7ab10240-0x7ab1027f] [ 0.005807] ACPI: Reserving SSDT table memory at [mem 0x7ab13230-0x7ab14829] [ 0.005811] ACPI: Reserving MCFG table memory at [mem 0x7ab14830-0x7ab1486b] [ 0.005815] ACPI: Reserving TCPA table memory at [mem 0x7ab14870-0x7ab148a1] [ 0.005819] ACPI: Reserving APIC table memory at [mem 0x7ab148b0-0x7ab1491b] [ 0.005823] ACPI: Reserving NHLT table memory at [mem 0x7ab14920-0x7ab1577f] [ 0.005827] ACPI: Reserving HPET table memory at [mem 0x7ab17780-0x7ab177b7] [ 0.005951] No NUMA configuration found [ 0.005955] Faking a node at [mem 0x0000000000000000-0x000000017fffffff] [ 0.005965] NODE_DATA(0) allocated [mem 0x17fff9000-0x17fffcfff] [ 0.006011] Zone ranges: [ 0.006015] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.006022] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.006028] Normal [mem 0x0000000100000000-0x000000017fffffff] [ 0.006034] Movable zone start for each node [ 0.006038] Early memory node ranges [ 0.006042] node 0: [mem 0x0000000000001000-0x000000000009ffff] [ 0.006046] node 0: [mem 0x0000000000100000-0x000000000fffffff] [ 0.006050] node 0: [mem 0x0000000012151000-0x000000007a9fcfff] [ 0.006054] node 0: [mem 0x0000000100000000-0x000000017fffffff] [ 0.006060] Initmem setup node 0 [mem 0x0000000000001000-0x000000017fffffff] [ 0.006091] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.006144] On node 0, zone DMA: 96 pages in unavailable ranges [ 0.012844] On node 0, zone DMA32: 8529 pages in unavailable ranges [ 0.020319] On node 0, zone Normal: 22019 pages in unavailable ranges [ 0.020352] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] [ 0.020653] ACPI: PM-Timer IO Port: 0x408 [ 0.020727] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 [ 0.020742] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.020748] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 low level) [ 0.020761] Using ACPI (MADT) for SMP configuration information [ 0.020767] ACPI: HPET id: 0x8086a701 base: 0xfed00000 [ 0.020778] TSC deadline timer available [ 0.020784] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.020817] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.020823] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] [ 0.020828] PM: hibernation: Registered nosave memory: [mem 0x10000000-0x12150fff] [ 0.020833] PM: hibernation: Registered nosave memory: [mem 0x7a9fd000-0x7affffff] [ 0.020837] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] [ 0.020841] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xcfffffff] [ 0.020844] PM: hibernation: Registered nosave memory: [mem 0xd0000000-0xd0ffffff] [ 0.020848] PM: hibernation: Registered nosave memory: [mem 0xd1000000-0xdfffffff] [ 0.020852] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xefffffff] [ 0.020856] PM: hibernation: Registered nosave memory: [mem 0xf0000000-0xfed0ffff] [ 0.020859] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed17fff] [ 0.020863] PM: hibernation: Registered nosave memory: [mem 0xfed18000-0xffffffff] [ 0.020871] [mem 0x80000000-0xcfffffff] available for PCI devices [ 0.020881] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.029300] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 [ 0.029929] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 [ 0.030036] Built 1 zonelists, mobility grouping on. Total pages: 1002002 [ 0.030043] Policy zone: Normal [ 0.030062] 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/8854050/extract-nfsrootfs-9zbqzxv6,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.031019] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.031461] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.031530] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.064847] Memory: 3871024K/4071724K available (18450K kernel code, 3460K rwdata, 7992K rodata, 2012K init, 13316K bss, 200440K reserved, 0K cma-reserved) [ 0.065007] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.065066] Kernel/User page tables isolation: enabled [ 0.065139] ftrace: allocating 52824 entries in 207 pages [ 0.095332] ftrace: allocated 207 pages with 6 groups [ 0.095688] Running RCU self tests [ 0.095706] rcu: Hierarchical RCU implementation. [ 0.095710] rcu: RCU event tracing is enabled. [ 0.095714] rcu: RCU lockdep checking is enabled. [ 0.095718] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. [ 0.095722] Rude variant of Tasks RCU enabled. [ 0.095725] Tracing variant of Tasks RCU enabled. [ 0.095730] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.095734] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.104403] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 [ 0.104845] random: crng init done [ 0.104964] Console: colour dummy device 80x25 [ 0.174160] printk: console [ttyS2] enabled [ 0.174517] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.175167] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.175526] ... MAX_LOCK_DEPTH: 48 [ 0.175889] ... MAX_LOCKDEP_KEYS: 8192 [ 0.176259] ... CLASSHASH_SIZE: 4096 [ 0.176638] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.177015] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.177398] ... CHAINHASH_SIZE: 32768 [ 0.177775] memory used by lock dependency info: 6365 kB [ 0.178237] memory used for stack traces: 4224 kB [ 0.178650] per task-struct memory footprint: 1920 bytes [ 0.179180] ACPI: Core revision 20200925 [ 0.179813] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 99544814920 ns [ 0.180660] APIC: Switch to symmetric I/O mode setup [ 0.185652] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 0.190650] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0xfc66f4fc7c, max_idle_ns: 440795224246 ns [ 0.191541] Calibrating delay loop (skipped), value calculated using timer frequency.. 2188.80 BogoMIPS (lpj=1094400) [ 0.192528] pid_max: default: 32768 minimum: 301 [ 0.193605] LSM: Security Framework initializing [ 0.194035] SELinux: Initializing. [ 0.194587] LSM support for eBPF active [ 0.194965] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.195542] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.197605] mce: CPU0: Thermal monitoring enabled (TM1) [ 0.198152] Last level iTLB entries: 4KB 48, 2MB 0, 4MB 0 [ 0.198527] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 [ 0.199034] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.199530] Spectre V2 : Mitigation: Retpolines [ 0.199915] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.200526] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT [ 0.201098] Speculative Store Bypass: Vulnerable [ 0.219065] ------------[ cut here ]------------ [ 0.219481] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 [ 0.219493] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:712 apply_returns+0x1f5/0x220 [ 0.220527] Modules linked in: [ 0.220797] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.165-cip24 #1 [ 0.221527] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 0.222036] RIP: 0010:apply_returns+0x1f5/0x220 [ 0.222529] 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 b0 20 7f 86 c6 05 4e 4d e4 01 01 e8 92 15 e6 00 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc [ 0.223527] RSP: 0000:ffffffff86a03de0 EFLAGS: 00010282 [ 0.224527] RAX: 0000000000000000 RBX: ffffffff874d13d0 RCX: 0000000000000000 [ 0.225128] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff84f7aae1 [ 0.225526] RBP: ffffffff864d1440 R08: 0000000000000001 R09: 0000000000000001 [ 0.226526] R10: ffffffff86a8fd20 R11: 3fffffffffffffff R12: ffffffff874e8610 [ 0.227127] R13: cccccccccccccccc R14: ffffffff864d1445 R15: 0000000000000004 [ 0.227529] FS: 0000000000000000(0000) GS:ffff8afd3bc00000(0000) knlGS:0000000000000000 [ 0.228527] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.229019] CR2: ffff8afd3ffff000 CR3: 0000000015c26000 CR4: 00000000003506f0 [ 0.229527] Call Trace: [ 0.229768] alternative_instructions+0x7d/0x143 [ 0.230176] check_bugs+0xece/0xf2a [ 0.230535] start_kernel+0x517/0x54d [ 0.230858] secondary_startup_64_no_verify+0xc2/0xcb [ 0.231309] irq event stamp: 89453 [ 0.231530] hardirqs last enabled at (89465): [] console_unlock+0x4d1/0x5f0 [ 0.232252] hardirqs last disabled at (89472): [] console_unlock+0x444/0x5f0 [ 0.232529] softirqs last enabled at (89482): [] irq_enter_rcu+0x71/0x80 [ 0.233528] softirqs last disabled at (89493): [] irq_enter_rcu+0x56/0x80 [ 0.234530] ---[ end trace 9e0e9468693c575f ]--- [ 0.243560] Freeing SMP alternatives memory: 44K [ 0.245802] smpboot: CPU0: Intel(R) Pentium(R) CPU N4200 @ 1.10GHz (family: 0x6, model: 0x5c, stepping: 0x9) [ 0.247297] Performance Events: PEBS fmt3+, Goldmont events, 32-deep LBR, full-width counters, Intel PMU driver. [ 0.247540] ... version: 4 [ 0.247892] ... bit width: 48 [ 0.248251] ... generic registers: 4 [ 0.248529] ... value mask: 0000ffffffffffff [ 0.248979] ... max period: 00007fffffffffff [ 0.249436] ... fixed-purpose events: 3 [ 0.249529] ... event mask: 000000070000000f [ 0.250498] rcu: Hierarchical SRCU implementation. [ 0.252354] smp: Bringing up secondary CPUs ... [ 0.253367] x86: Booting SMP configuration: [ 0.253545] .... node #0, CPUs: #1 #2 #3 [ 0.256691] smp: Brought up 1 node, 4 CPUs [ 0.257534] smpboot: Max logical packages: 1 [ 0.257908] smpboot: Total of 4 processors activated (8755.20 BogoMIPS) [ 0.259889] devtmpfs: initialized [ 0.260921] x86/mm: Memory block size: 128MB [ 0.265605] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.265605] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) [ 0.266627] pinctrl core: initialized pinctrl subsystem [ 0.267484] PM: RTC time: 12:41:59, date: 2023-01-24 [ 0.269110] NET: Registered protocol family 16 [ 0.270245] audit: initializing netlink subsys (disabled) [ 0.270620] audit: type=2000 audit(1674564119.084:1): state=initialized audit_enabled=0 res=1 [ 0.271301] thermal_sys: Registered thermal governor 'step_wise' [ 0.271320] thermal_sys: Registered thermal governor 'user_space' [ 0.272629] cpuidle: using governor menu [ 0.273789] ACPI: bus type PCI registered [ 0.273924] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0xe0000000-0xefffffff] (base 0xe0000000) [ 0.274535] PCI: MMCONFIG at [mem 0xe0000000-0xefffffff] reserved in E820 [ 0.275161] PCI: Using configuration type 1 for base access [ 0.300043] Kprobes globally optimized [ 0.300676] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.301536] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.302274] cryptomgr_test (39) used greatest stack depth: 14880 bytes left [ 0.305905] ACPI: Added _OSI(Module Device) [ 0.306535] ACPI: Added _OSI(Processor Device) [ 0.306924] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.307328] ACPI: Added _OSI(Processor Aggregator Device) [ 0.307551] ACPI: Added _OSI(Linux-Dell-Video) [ 0.307940] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.308392] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 0.317468] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 0.323981] ACPI: EC: EC started [ 0.324293] ACPI: EC: interrupt blocked [ 0.325186] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.325534] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions [ 0.326163] ACPI: Interpreter enabled [ 0.326547] ACPI: (supports S0 S3 S5) [ 0.326866] ACPI: Using IOAPIC for interrupt routing [ 0.327348] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 0.328390] ACPI: Enabled 1 GPEs in block 00 to 7F [ 0.332571] ACPI: Power Resource [PXP] (on) [ 0.355580] ACPI: Power Resource [PRIC] (on) [ 0.382051] ACPI: Power Resource [PRIC] (on) [ 0.452962] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.453506] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 0.453821] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] [ 0.455198] PCI host bridge to bus 0000:00 [ 0.455533] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.456106] pci_bus 0000:00: root bus resource [io 0x1000-0xffff window] [ 0.456532] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.457167] pci_bus 0000:00: root bus resource [mem 0x7b800000-0x7fffffff window] [ 0.457530] pci_bus 0000:00: root bus resource [mem 0x80000000-0xe0000000 window] [ 0.458165] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.458613] pci 0000:00:00.0: [8086:5af0] type 00 class 0x060000 [ 0.460051] pci 0000:00:00.1: [8086:5a8c] type 00 class 0x118000 [ 0.460568] pci 0000:00:00.1: reg 0x10: [mem 0xc2b10000-0xc2b17fff 64bit] [ 0.461838] pci 0000:00:00.2: [8086:5a8e] type 00 class 0x130000 [ 0.462375] pci 0000:00:00.2: reg 0x10: [mem 0xc2800000-0xc28fffff 64bit] [ 0.462545] pci 0000:00:00.2: reg 0x18: [mem 0xc2000000-0xc27fffff 64bit] [ 0.463135] pci 0000:00:00.2: reg 0x20: [mem 0xc2b38000-0xc2b381ff 64bit] [ 0.464012] pci 0000:00:02.0: [8086:5a84] type 00 class 0x030000 [ 0.464551] pci 0000:00:02.0: reg 0x10: [mem 0xc0000000-0xc0ffffff 64bit] [ 0.465140] pci 0000:00:02.0: reg 0x18: [mem 0xb0000000-0xbfffffff 64bit pref] [ 0.465539] pci 0000:00:02.0: reg 0x20: [io 0x1000-0x103f] [ 0.466518] pci 0000:00:03.0: [8086:5a88] type 00 class 0x048000 [ 0.466548] pci 0000:00:03.0: reg 0x10: [mem 0xc1000000-0xc1ffffff 64bit] [ 0.467709] pci 0000:00:0e.0: [8086:5a98] type 00 class 0x040100 [ 0.468261] pci 0000:00:0e.0: reg 0x10: [mem 0xc2b18000-0xc2b1bfff 64bit] [ 0.468584] pci 0000:00:0e.0: reg 0x20: [mem 0xc2900000-0xc29fffff 64bit] [ 0.469285] pci 0000:00:0e.0: PME# supported from D0 D3hot D3cold [ 0.470244] pci 0000:00:0f.0: [8086:5a9a] type 00 class 0x078000 [ 0.470576] pci 0000:00:0f.0: reg 0x10: [mem 0xc2b1e000-0xc2b1efff 64bit] [ 0.471320] pci 0000:00:0f.0: PME# supported from D3hot [ 0.472042] pci 0000:00:14.0: [8086:5ad6] type 01 class 0x060400 [ 0.472741] pci 0000:00:14.0: PME# supported from D0 D3hot D3cold [ 0.473938] pci 0000:00:15.0: [8086:5aa8] type 00 class 0x0c0330 [ 0.474489] pci 0000:00:15.0: reg 0x10: [mem 0xc2b00000-0xc2b0ffff 64bit] [ 0.474683] pci 0000:00:15.0: PME# supported from D3hot D3cold [ 0.475830] pci 0000:00:16.0: [8086:5aac] type 00 class 0x118000 [ 0.476383] pci 0000:00:16.0: reg 0x10: [mem 0xc2b21000-0xc2b21fff 64bit] [ 0.476555] pci 0000:00:16.0: reg 0x18: [mem 0xc2b22000-0xc2b22fff 64bit] [ 0.477807] pci 0000:00:16.1: [8086:5aae] type 00 class 0x118000 [ 0.478363] pci 0000:00:16.1: reg 0x10: [mem 0xc2b23000-0xc2b23fff 64bit] [ 0.478555] pci 0000:00:16.1: reg 0x18: [mem 0xc2b24000-0xc2b24fff 64bit] [ 0.479803] pci 0000:00:16.2: [8086:5ab0] type 00 class 0x118000 [ 0.480356] pci 0000:00:16.2: reg 0x10: [mem 0xc2b25000-0xc2b25fff 64bit] [ 0.480560] pci 0000:00:16.2: reg 0x18: [mem 0xc2b26000-0xc2b26fff 64bit] [ 0.481806] pci 0000:00:16.3: [8086:5ab2] type 00 class 0x118000 [ 0.482354] pci 0000:00:16.3: reg 0x10: [mem 0xc2b27000-0xc2b27fff 64bit] [ 0.482554] pci 0000:00:16.3: reg 0x18: [mem 0xc2b28000-0xc2b28fff 64bit] [ 0.483815] pci 0000:00:17.0: [8086:5ab4] type 00 class 0x118000 [ 0.484364] pci 0000:00:17.0: reg 0x10: [mem 0xc2b29000-0xc2b29fff 64bit] [ 0.484555] pci 0000:00:17.0: reg 0x18: [mem 0xc2b2a000-0xc2b2afff 64bit] [ 0.485813] pci 0000:00:17.1: [8086:5ab6] type 00 class 0x118000 [ 0.486359] pci 0000:00:17.1: reg 0x10: [mem 0xc2b2b000-0xc2b2bfff 64bit] [ 0.486554] pci 0000:00:17.1: reg 0x18: [mem 0xc2b2c000-0xc2b2cfff 64bit] [ 0.487826] pci 0000:00:18.0: [8086:5abc] type 00 class 0x118000 [ 0.488378] pci 0000:00:18.0: reg 0x10: [mem 0xc2b2d000-0xc2b2dfff 64bit] [ 0.488554] pci 0000:00:18.0: reg 0x18: [mem 0xc2b2e000-0xc2b2efff 64bit] [ 0.489797] pci 0000:00:18.1: [8086:5abe] type 00 class 0x118000 [ 0.490350] pci 0000:00:18.1: reg 0x10: [mem 0xc2b2f000-0xc2b2ffff 64bit] [ 0.490554] pci 0000:00:18.1: reg 0x18: [mem 0xc2b30000-0xc2b30fff 64bit] [ 0.491805] pci 0000:00:18.2: [8086:5ac0] type 00 class 0x118000 [ 0.492360] pci 0000:00:18.2: reg 0x10: [mem 0xde000000-0xde000fff 64bit] [ 0.492555] pci 0000:00:18.2: reg 0x18: [mem 0xc2b31000-0xc2b31fff 64bit] [ 0.493838] pci 0000:00:19.0: [8086:5ac2] type 00 class 0x118000 [ 0.494395] pci 0000:00:19.0: reg 0x10: [mem 0xc2b32000-0xc2b32fff 64bit] [ 0.494554] pci 0000:00:19.0: reg 0x18: [mem 0xc2b33000-0xc2b33fff 64bit] [ 0.495835] pci 0000:00:1b.0: [8086:5aca] type 00 class 0x080501 [ 0.496382] pci 0000:00:1b.0: reg 0x10: [mem 0xc2b34000-0xc2b34fff 64bit] [ 0.496552] pci 0000:00:1b.0: reg 0x18: [mem 0xc2b35000-0xc2b35fff 64bit] [ 0.497774] pci 0000:00:1c.0: [8086:5acc] type 00 class 0x080501 [ 0.498321] pci 0000:00:1c.0: reg 0x10: [mem 0xc2b36000-0xc2b36fff 64bit] [ 0.498549] pci 0000:00:1c.0: reg 0x18: [mem 0xc2b37000-0xc2b37fff 64bit] [ 0.499926] pci 0000:00:1f.0: [8086:5ae8] type 00 class 0x060100 [ 0.501322] pci 0000:00:1f.1: [8086:5ad4] type 00 class 0x0c0500 [ 0.501600] pci 0000:00:1f.1: reg 0x10: [mem 0xc2b39000-0xc2b390ff 64bit] [ 0.502264] pci 0000:00:1f.1: reg 0x20: [io 0x1040-0x105f] [ 0.503743] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 [ 0.504731] pci 0000:01:00.0: reg 0x10: [mem 0xc2a00000-0xc2a01fff 64bit] [ 0.505991] pci 0000:01:00.0: Upstream bridge's Max Payload Size set to 128 (was 256, max 256) [ 0.506681] pci 0000:01:00.0: Max Payload Size set to 128 (was 128, max 128) [ 0.508127] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold [ 0.510267] pci 0000:00:14.0: PCI bridge to [bus 01] [ 0.510544] pci 0000:00:14.0: bridge window [mem 0xc2a00000-0xc2afffff] [ 0.518509] ACPI: EC: interrupt unblocked [ 0.518531] ACPI: EC: event unblocked [ 0.518876] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.519320] ACPI: EC: GPE=0x2b [ 0.519534] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete [ 0.520132] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events [ 0.521056] iommu: Default domain type: Translated [ 0.521717] pci 0000:00:02.0: vgaarb: setting as boot VGA device [ 0.522148] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.522556] pci 0000:00:02.0: vgaarb: bridge control possible [ 0.523050] vgaarb: loaded [ 0.523842] SCSI subsystem initialized [ 0.524581] ACPI: bus type USB registered [ 0.525055] usbcore: registered new interface driver usbfs [ 0.525569] usbcore: registered new interface driver hub [ 0.526061] usbcore: registered new device driver usb [ 0.526635] pps_core: LinuxPPS API ver. 1 registered [ 0.527066] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.527541] PTP clock support registered [ 0.528633] Advanced Linux Sound Architecture Driver Initialized. [ 0.530128] NetLabel: Initializing [ 0.530436] NetLabel: domain hash size = 128 [ 0.530530] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.531089] NetLabel: unlabeled traffic allowed by default [ 0.531657] PCI: Using ACPI for IRQ routing [ 0.563037] Expanded resource Reserved due to conflict with PCI Bus 0000:00 [ 0.563625] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0, 0, 0, 0, 0, 0 [ 0.564183] hpet0: 8 comparators, 64-bit 19.200000 MHz counter [ 0.566637] clocksource: Switched to clocksource tsc-early [ 0.989916] VFS: Disk quotas dquot_6.6.0 [ 0.990316] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 0.991316] pnp: PnP ACPI init [ 0.992411] system 00:00: [io 0x0900-0x09fe] has been reserved [ 0.993223] system 00:01: [io 0x0200] has been reserved [ 0.993691] system 00:01: [io 0x0204] has been reserved [ 0.994150] system 00:01: [io 0x0800-0x087f] has been reserved [ 0.994677] system 00:01: [io 0x0880-0x08ff] has been reserved [ 0.997435] pnp: PnP ACPI: found 3 devices [ 1.012867] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 1.013763] NET: Registered protocol family 2 [ 1.014336] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 1.016453] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) [ 1.017456] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) [ 1.018393] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) [ 1.021000] TCP: Hash tables configured (established 32768 bind 32768) [ 1.022092] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) [ 1.023080] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.023942] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.025032] NET: Registered protocol family 1 [ 1.026304] RPC: Registered named UNIX socket transport module. [ 1.026873] RPC: Registered udp transport module. [ 1.027280] RPC: Registered tcp transport module. [ 1.027693] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 1.028804] NET: Registered protocol family 44 [ 1.029221] pci 0000:00:14.0: PCI bridge to [bus 01] [ 1.029678] pci 0000:00:14.0: bridge window [mem 0xc2a00000-0xc2afffff] [ 1.030270] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 1.030813] pci_bus 0000:00: resource 5 [io 0x1000-0xffff window] [ 1.031343] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 1.031939] pci_bus 0000:00: resource 7 [mem 0x7b800000-0x7fffffff window] [ 1.032522] pci_bus 0000:00: resource 8 [mem 0x80000000-0xe0000000 window] [ 1.033118] pci_bus 0000:01: resource 1 [mem 0xc2a00000-0xc2afffff] [ 1.033902] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 1.037266] PCI: CLS 64 bytes, default 64 [ 1.038031] Unpacking initramfs... [ 1.259979] Freeing initrd memory: 8428K [ 1.260331] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.260925] software IO TLB: mapped [mem 0x00000000769fd000-0x000000007a9fd000] (64MB) [ 1.261932] RAPL PMU: API unit is 2^-32 Joules, 4 fixed counters, 655360 ms ovfl timer [ 1.262633] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules [ 1.263126] RAPL PMU: hw unit of domain package 2^-14 Joules [ 1.263614] RAPL PMU: hw unit of domain dram 2^-14 Joules [ 1.264078] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules [ 1.265870] kvm: already loaded the other module [ 1.266282] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0xfc66f4fc7c, max_idle_ns: 440795224246 ns [ 1.267185] clocksource: Switched to clocksource tsc [ 1.267722] platform rtc_cmos: registered platform RTC device (no PNP device found) [ 1.270744] check: Scanning for low memory corruption every 60 seconds [ 1.273900] Initialise system trusted keyrings [ 1.274642] workingset: timestamp_bits=56 max_order=20 bucket_order=0 [ 1.293412] NFS: Registering the id_resolver key type [ 1.293924] Key type id_resolver registered [ 1.294311] Key type id_legacy registered [ 1.306305] Key type asymmetric registered [ 1.306726] Asymmetric key parser 'x509' registered [ 1.307207] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 1.307868] io scheduler mq-deadline registered [ 1.308260] io scheduler kyber registered [ 1.308900] test_firmware: interface ready [ 1.310094] pcieport 0000:00:14.0: PME: Signaling with IRQ 120 [ 1.311871] ACPI: AC Adapter [AC] (on-line) [ 1.312572] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:14/PNP0C09:00/PNP0C0D:00/input/input0 [ 1.314119] ACPI: Lid Switch [LID0] [ 1.314652] input: Power Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input1 [ 1.315519] ACPI: Power Button [PWRB] [ 1.316051] input: Sleep Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0E:00/input/input2 [ 1.316963] ACPI: Sleep Button [SLP] [ 1.317469] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input3 [ 1.318288] ACPI: Power Button [PWRF] [ 1.318868] ACPI: \_PR_.CP00: Found 3 idle states [ 1.320007] ACPI: \_PR_.CP01: Found 3 idle states [ 1.320899] ACPI: \_PR_.CP02: Found 3 idle states [ 1.321752] ACPI: \_PR_.CP03: Found 3 idle states [ 1.323682] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.326841] Non-volatile memory driver v1.3 [ 1.326914] battery: ACPI: Battery Slot [BAT0] (battery present) [ 1.327388] Linux agpgart interface v0.103 [ 1.331327] i915 0000:00:02.0: vgaarb: deactivate vga console [ 1.385607] i915 0000:00:02.0: Invalid PCI ROM header signature: expecting 0xaa55, got 0x3104 [ 1.386354] i915 0000:00:02.0: [drm] Failed to find VBIOS tables (VBT) [ 1.387089] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 1.388401] i915 0000:00:02.0: Direct firmware load for i915/bxt_dmc_ver1_07.bin failed with error -2 [ 1.389287] i915 0000:00:02.0: [drm] Failed to load DMC firmware i915/bxt_dmc_ver1_07.bin. Disabling runtime power management. [ 1.390279] i915 0000:00:02.0: [drm] DMC firmware homepage: https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915 [ 1.433012] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 [ 1.436399] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 [ 1.452073] loop: module loaded [ 1.453056] lkdtm: No crash points registered, enable through debugfs [ 1.504894] dw-apb-uart.6: ttyS0 at MMIO 0xc2b2d000 (irq = 4, base_baud = 115200) is a 16550A [ 1.508495] dw-apb-uart.7: ttyS1 at MMIO 0xc2b2f000 (irq = 5, base_baud = 115200) is a 16550A [ 1.511727] printk: console [ttyS2] disabled [ 1.512397] dw-apb-uart.8: ttyS2 at MMIO 0xde000000 (irq = 6, base_baud = 114825) is a 16550A [ 4.601489] printk: console [ttyS2] enabled [ 4.601650] fbcon: i915drmfb (fb0) is primary device [ 4.603892] pxa2xx-spi pxa2xx-spi.9: no DMA channels available, using PIO [ 4.612013] e100: Intel(R) PRO/100 Network Driver [ 4.612017] e100: Copyright(c) 1999-2006 Intel Corporation [ 4.612076] e1000: Intel(R) PRO/1000 Network Driver [ 4.612078] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 4.612149] e1000e: Intel(R) PRO/1000 Network Driver [ 4.612151] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 4.612225] sky2: driver version 1.30 [ 4.612509] usbcore: registered new interface driver r8152 [ 4.613079] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 4.613098] ehci-pci: EHCI PCI platform driver [ 4.613166] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 4.613181] ohci-pci: OHCI PCI platform driver [ 4.613235] uhci_hcd: USB Universal Host Controller Interface driver [ 4.614749] xhci_hcd 0000:00:15.0: xHCI Host Controller [ 4.615495] xhci_hcd 0000:00:15.0: new USB bus registered, assigned bus number 1 [ 4.616769] xhci_hcd 0000:00:15.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 [ 4.616817] xhci_hcd 0000:00:15.0: cache line size of 64 is not supported [ 4.618346] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 4.618362] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.618365] usb usb1: Product: xHCI Host Controller [ 4.618368] usb usb1: Manufacturer: Linux 5.10.165-cip24 xhci-hcd [ 4.618371] usb usb1: SerialNumber: 0000:00:15.0 [ 4.619620] hub 1-0:1.0: USB hub found [ 4.619729] hub 1-0:1.0: 8 ports detected [ 4.621692] xhci_hcd 0000:00:15.0: xHCI Host Controller [ 4.622136] xhci_hcd 0000:00:15.0: new USB bus registered, assigned bus number 2 [ 4.622150] xhci_hcd 0000:00:15.0: Host supports USB 3.0 SuperSpeed [ 4.622439] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 [ 4.622445] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.622448] usb usb2: Product: xHCI Host Controller [ 4.622451] usb usb2: Manufacturer: Linux 5.10.165-cip24 xhci-hcd [ 4.622453] usb usb2: SerialNumber: 0000:00:15.0 [ 4.623364] hub 2-0:1.0: USB hub found [ 4.623441] hub 2-0:1.0: 7 ports detected [ 4.625106] usbcore: registered new interface driver usblp [ 4.625165] usbcore: registered new interface driver usb-storage [ 4.625567] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers [ 4.625674] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 [ 4.625677] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp [ 4.626237] i8042: Warning: Keylock active [ 4.626578] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 4.628637] rtc_cmos rtc_cmos: RTC can wake from S4 [ 4.630685] rtc_cmos rtc_cmos: registered as rtc0 [ 4.630860] rtc_cmos rtc_cmos: alarms up to one month, 114 bytes nvram [ 4.631460] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input4 [ 4.633424] i801_smbus 0000:00:1f.1: can't derive routing for PCI INT A [ 4.633428] i801_smbus 0000:00:1f.1: PCI INT A: no GSI [ 4.633464] i801_smbus 0000:00:1f.1: SPD Write Disable is set [ 4.633520] genirq: Flags mismatch irq 0. 00000080 (i801_smbus) vs. 00015a00 (timer) [ 4.633558] i801_smbus 0000:00:1f.1: Failed to allocate irq 0: -16 [ 4.633561] i801_smbus 0000:00:1f.1: SMBus using polling [ 4.634432] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com [ 4.634473] intel_pstate: Intel P-state driver initializing [ 4.635501] Console: switching to colour frame buffer device 240x67 [ 4.637025] sdhci: Secure Digital Host Controller Interface driver [ 4.637032] sdhci: Copyright(c) Pierre Ossman [ 4.637238] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 4.646920] sdhci-pci 0000:00:1c.0: SDHCI controller found [8086:5acc] (rev b) [ 4.653730] mmc0: SDHCI controller on PCI [0000:00:1c.0] using ADMA 64-bit [ 4.654757] hid: raw HID events driver (C) Jiri Kosina [ 4.657404] usbcore: registered new interface driver usbhid [ 4.657410] usbhid: USB HID core driver [ 4.659673] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:14/PNP0C09:00/GOOG0006:00/input/input5 [ 4.666978] cros_ec_lpcs GOOG0004:00: Chrome EC device registered [ 4.671322] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device [ 4.680420] snd_hda_intel 0000:00:0e.0: DSP detected with PCI class/subclass/prog-if info 0x040100 [ 4.789291] mmc0: new HS400 MMC card at address 0001 [ 4.800724] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 4.807001] mmcblk0: mmc0:0001 TA2964 58.3 GiB [ 4.814176] gre: GRE over IPv4 demultiplexor driver [ 4.818867] mmcblk0boot0: mmc0:0001 TA2964 partition 1 4.00 MiB [ 4.824685] ip_gre: GRE over IPv4 tunneling driver [ 4.830402] mmcblk0boot1: mmc0:0001 TA2964 partition 2 4.00 MiB [ 4.838357] IPv4 over IPsec tunneling driver [ 4.839488] mmcblk0rpmb: mmc0:0001 TA2964 partition 3 4.00 MiB, chardev (246:0) [ 4.846047] Initializing XFRM netlink socket [ 4.870644] usb 1-5: new high-speed USB device number 2 using xhci_hcd [ 4.880636] NET: Registered protocol family 10 [ 4.890748] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 [ 4.900088] Segment Routing with IPv6 [ 5.045210] usb 1-5: New USB device found, idVendor=0408, idProduct=3090, bcdDevice= 0.04 [ 5.052639] ip6_gre: GRE over IPv6 tunneling driver [ 5.056026] usb 1-5: New USB device strings: Mfr=3, Product=1, SerialNumber=2 [ 5.062527] NET: Registered protocol family 17 [ 5.069074] usb 1-5: Product: USB2.0 HD UVC WebCam [ 5.069084] usb 1-5: Manufacturer: Quanta [ 5.069097] usb 1-5: SerialNumber: 0x0001 [ 5.077951] Key type dns_resolver registered [ 5.139734] usb 2-5: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.278217] microcode: sig=0x506c9, pf=0x1, revision=0x2c [ 5.284475] microcode: Microcode Update Driver: v2.2. [ 5.284501] IPI shorthand broadcast: enabled [ 5.295380] sched_clock: Marking stable (5213341511, 81738766)->(5315452565, -20372288) [ 5.305602] registered taskstats version 1 [ 5.310327] Loading compiled-in X.509 certificates [ 5.316235] usb 2-5: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 [ 5.325489] usb 2-5: New USB device strings: Mfr=1, Product=2, SerialNumber=6 [ 5.330605] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.333565] usb 2-5: Product: USB 10/100/1000 LAN [ 5.333575] usb 2-5: Manufacturer: Realtek [ 5.333584] usb 2-5: SerialNumber: 001000001 [ 5.369179] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.386670] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.404887] PM: Magic number: 7:178:684 [ 5.409707] mem full: hash matches [ 5.414315] printk: console [netcon0] enabled [ 5.419283] netconsole: network logging started [ 5.424569] usb 1-6: new full-speed USB device number 3 using xhci_hcd [ 5.562774] usb 1-6: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 [ 5.572017] usb 1-6: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 5.586528] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.678925] usb 2-5: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.727881] r8152 2-5:1.0: load rtl8153b-2 v1 10/23/19 successfully [ 5.769072] r8152 2-5:1.0 eth0: v1.11.11 [ 5.775022] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.776322] IP-Config: Failed to open gretap0 [ 5.788361] IP-Config: Failed to open erspan0 [ 5.813591] Sending DHCP requests . [ 5.928386] snd_hda_intel 0000:00:0e.0: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) [ 5.960243] snd_hda_intel 0000:00:0e.0: Cannot probe codecs, giving up [ 7.363841] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 7.372412] r8152 2-5:1.0 eth0: carrier on [ 8.003862] ., OK [ 8.014249] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.15 [ 8.023300] IP-Config: Complete: [ 8.026988] device=eth0, hwaddr=00:e0:4c:75:01:bd, ipaddr=192.168.201.15, mask=255.255.255.0, gw=192.168.201.1 [ 8.038785] host=asus-C523NA-A20057-coral-cbg-3, domain=lava-rack, nis-domain=(none) [ 8.047985] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= [ 8.047996] nameserver0=192.168.201.1 [ 8.061632] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 8.086700] modprobe (101) used greatest stack depth: 14208 bytes left [ 8.100106] modprobe (102) used greatest stack depth: 14120 bytes left [ 8.103596] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 8.116047] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 8.118023] ALSA device list: [ 8.125919] cfg80211: failed to load regulatory.db [ 8.134860] No soundcards found. [ 8.140410] dw-apb-uart dw-apb-uart.8: forbid DMA for kernel console [ 8.164171] Freeing unused kernel image (initmem) memory: 2012K [ 8.178297] Write protecting the kernel read-only data: 28672k [ 8.190739] Freeing unused kernel image (text/rodata gap) memory: 2028K [ 8.199445] Freeing unused kernel image (rodata/data gap) memory: 200K [ 8.207054] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u1 [ 8.310387] systemd-udevd (123) used greatest stack depth: 13800 bytes left [ 8.619149] udevadm (125) used greatest stack depth: 13576 bytes left [ 9.536704] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. [ 9.546005] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 9.690075] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 9.934730] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 9.956630] 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/erspan0 found done. IP-Config: eth0 hardware address 00:e0:4c:75:01:bd 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: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.15 broadcast: 192.168.201.255 netmask: 255.255.255.0 gateway: 192.168.201.1 dns0 : 192.168.201.1 dns1 : 0.0.0.0 host : asus-C523NA-A20057-coral-cbg-3 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : [ 10.308720] nfsmount (169) 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 [ 12.061804] 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) [ 12.103438] systemd[1]: Detected architecture x86-64. Welcome to Debian GNU/Linux 11 (bullseye)! [ 12.148508] systemd[1]: Set hostname to . [ 13.591314] systemd[1]: Queued start job for default target Graphical Interface. [ 13.609626] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. [ 13.628362] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. [ 13.647253] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. [ 13.666126] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. [ 13.684666] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. [ 13.705221] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. [ 13.727788] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [ OK ] Set up automount Arbitrary…s File System Automount Point. [ 13.751402] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. [ 13.768354] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. [ 13.780279] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. [ 13.797260] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. [ 13.809285] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. [ 13.822605] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. [ 13.843837] systemd[1]: Listening on Journal Audit Socket. [ OK ] Listening on Journal Audit Socket. [ 13.863640] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). [ 13.882426] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. [ 13.898639] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. [ 13.922698] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. [ 13.940954] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. [ 13.965621] systemd[1]: Mounting Huge Pages File System... Mounting Huge Pages File System... [ 13.988875] systemd[1]: Mounting POSIX Message Queue File System... Mounting POSIX Message Queue File System... [ 14.014343] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... [ 14.038677] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... [ 14.063073] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... [ 14.090050] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... [ 14.117364] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... [ 14.138825] mount (197) used greatest stack depth: 12528 bytes left [ 14.142175] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... [ 14.172119] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 14.200794] systemd[1]: Starting Journal Service... Starting Journal Service... [ 14.226737] fuse: init (API version 7.32) [ 14.232516] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... [ 14.254687] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... [ 14.283119] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... [ 14.322504] systemd[1]: Mounted Huge Pages File System. [ OK ] Mounted Huge Pages File System. [ 14.339409] systemd[1]: Mounted POSIX Message Queue File System. [ OK ] Mounted POSIX Message Queue File System. [ 14.357417] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. [ 14.376086] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. [ 14.401120] systemd[1]: Finished Create list of static device nodes for the current kernel. [ OK ] Finished Create list of st… nodes for the current kernel. [ 14.430492] systemd[1]: modprobe@configfs.service: Succeeded. [ 14.440006] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. [ 14.460287] systemd[1]: modprobe@drm.service: Succeeded. [ 14.469230] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. [ 14.490300] systemd[1]: modprobe@fuse.service: Succeeded. [ 14.499283] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. [ 14.519166] systemd[1]: Finished Load Kernel Modules. [ OK ] Finished Load Kernel Modules. [ 14.538022] systemd[1]: Finished Remount Root and Kernel File Systems. [ OK ] Finished Remount Root and Kernel File Systems. [ 14.564494] systemd[1]: Mounting FUSE Control File System... Mounting FUSE Control File System... [ 14.587909] systemd[1]: Mounting Kernel Configuration File System... Mounting Kernel Configuration File System... [ 14.614482] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped. [ 14.625251] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped. [ 14.643400] systemd[1]: Starting Load/Save Random Seed... Starting Load/Save Random Seed... [ 14.663049] systemd[1]: Starting Apply Kernel Variables... Starting Apply Kernel Variables... [ 14.692716] systemd[1]: Starting Create System Users... Starting Create System Users... [ 14.730178] systemd[1]: Mounted FUSE Control File System. [ OK ] Mounted FUSE Control File System. [ 14.753603] systemd[1]: Mounted Kernel Configuration File System. [ OK ] Mounted Kernel Configuration File System. [ 14.775473] systemd[1]: Finished Load/Save Random Seed. [ OK ] Finished Load/Save Random Seed. [ 14.794907] systemd[1]: Condition check resulted in First Boot Complete being skipped. [ 14.808029] systemd[1]: Finished Apply Kernel Variables. [ OK ] Finished Apply Kernel Variables. [ 14.942458] systemd[1]: Finished Create System Users. [ OK ] Finished Create System Users. [ 14.965527] systemd[1]: Starting Create Static Device Nodes in /dev... Starting Create Static Device Nodes in /dev... [ 15.134093] systemd[1]: Finished Create Static Device Nodes in /dev. [ OK ] Finished Create Static Device Nodes in /dev. [ 15.151965] systemd[1]: Reached target Local File Systems (Pre). [ OK ] Reached target Local File Systems (Pre). [ 15.168026] systemd[1]: Reached target Local File Systems. [ OK ] Reached target Local File Systems. [ 15.184305] systemd[1]: Condition check resulted in Store a System Token in an EFI Variable being skipped. [ 15.196425] systemd[1]: Condition check resulted in Commit a transient machine-id on disk being skipped. [ 15.223649] systemd[1]: Starting Rule-based Manager for Device Events and Files... Starting Rule-based Manage…for Device Events and Files... [ 15.243988] systemd[1]: Started Journal Service. [ OK ] Started Journal Service. Starting Flush Journal to Persistent Storage... [ 15.372359] systemd-journald[205]: Received client request to flush runtime journal. [ OK ] Finished Coldplug All udev Devices. [ OK ] Started Rule-based Manager for Device Events and Files. Starting Network Service... [ OK ] Finished Flush Journal to Persistent Storage. Starting Create Volatile Files and Directories... [ OK ] Found device Celeron N3350…3900 Series HSUART Controller. [ OK ] Created slice system-systemd\x2dbacklight.slice. Starting Load/Save Screen …f backlight:intel_backlight... [ OK ] Listening on Load/Save RF …itch Status /dev/rfkill Watch. [ OK ] Finished Load/Save Screen … of backlight:intel_backlight. [ OK ] Started Network Service. [ OK ] Finished Create Volatile Files and Directories. 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 5.10.165-cip24 #1 SMP Tue Jan 24 12:25:51 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/8854050/extract-nfsrootfs-9zbqzxv6' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/8854050/extract-nfsrootfs-9zbqzxv6' / # 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-8854050/environment . /lava-8854050/environment / # /lava-8854050/bin/lava-test-runner /lava-8854050/0 /lava-8854050/bin/lava-test-runner /lava-8854050/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-8854050/0/tests/0_timesync-off ++ cat uuid + UUID=8854050_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-8854050/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=8854050_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-cip24-952-gf408044f5bad/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-8854050/0/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 --2023-01-24 12:42:24-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.162-cip24-952-gf408044f5bad/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: 3602444 (3.4M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 50.15K 171KB/s kselftest.tar.xz 6%[> ] 219.84K 372KB/s kselftest.tar.xz 25%[====> ] 898.59K 1013KB/s kselftest.tar.xz 38%[======> ] 1.34M 1.22MB/s kselftest.tar.xz 82%[===============> ] 2.85M 2.09MB/s kselftest.tar.xz 100%[===================>] 3.44M 2.43MB/s in 1.4s 2023-01-24 12:42:26 (2.43 MB/s) - 'kselftest.tar.xz' saved [3602444/3602444] 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 =============== [ 41.572231] 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 [ 42.200762] lkdtm: Performing direct entry BUG [ 42.206121] ------------[ cut here ]------------ [ 42.211493] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 42.217605] invalid opcode: 0000 [#1] SMP PTI [ 42.222501] CPU: 3 PID: 648 Comm: cat Tainted: G W 5.10.165-cip24 #1 [ 42.231084] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 42.237713] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 42.242112] Code: 89 ff e8 be 67 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 90 62 92 02 [ 42.263119] RSP: 0018:ffff90e6c1297e60 EFLAGS: 00010286 [ 42.268972] RAX: ffffffff856e43c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 42.276959] RDX: 0000000000000000 RSI: ffff8afd3bd9bf70 RDI: ffffffff864d0fb0 [ 42.284954] RBP: ffffffff8690fba8 R08: 0000000000000001 R09: 0000000000000001 [ 42.292950] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 42.300946] R13: ffff90e6c1297f10 R14: ffff90e6c1297f10 R15: ffff8afcc298f000 [ 42.308946] FS: 00007fbc60235580(0000) GS:ffff8afd3bd80000(0000) knlGS:0000000000000000 [ 42.318019] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.324454] CR2: 00007fbc6003e000 CR3: 000000010578c000 CR4: 00000000003506e0 [ 42.332437] Call Trace: [ 42.335182] direct_entry.cold+0x2c/0x38 [ 42.339580] full_proxy_write+0x56/0x80 [ 42.343884] vfs_write+0xea/0x3a0 [ 42.347599] ksys_write+0x68/0xf0 [ 42.351309] do_syscall_64+0x33/0x40 [ 42.355314] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 42.360961] RIP: 0033:0x7fbc6014b833 [ 42.364958] 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 [ 42.386008] RSP: 002b:00007fff412df4b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 42.394490] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fbc6014b833 [ 42.402485] RDX: 0000000000000004 RSI: 00007fbc6003e000 RDI: 0000000000000001 [ 42.410489] RBP: 00007fbc6003e000 R08: 00007fbc6003d010 R09: 0000000000000000 [ 42.418483] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 42.426485] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 42.434499] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 42.450890] ---[ end trace 9e0e9468693c5761 ]--- [ 42.456226] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 42.460904] Code: 89 ff e8 be 67 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 90 62 92 02 [ 42.482298] RSP: 0018:ffff90e6c1297e60 EFLAGS: 00010286 [ 42.488206] RAX: ffffffff856e43c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 42.496269] RDX: 0000000000000000 RSI: ffff8afd3bd9bf70 RDI: ffffffff864d0fb0 [ 42.504425] RBP: ffffffff8690fba8 R08: 0000000000000001 R09: 0000000000000001 [ 42.512502] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 42.520651] R13: ffff90e6c1297f10 R14: ffff90e6c1297f10 R15: ffff8afcc298f000 [ 42.528745] FS: 00007fbc60235580(0000) GS:ffff8afd3bd80000(0000) knlGS:0000000000000000 [ 42.537942] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.544469] CR2: 00007fbc6003e000 CR3: 000000010578c000 CR4: 00000000003506e0 # Segmentation fault # [ 42.200762] lkdtm: Performing direct entry BUG # [ 42.206121] ------------[ cut here ]------------ # [ 42.211493] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 42.217605] invalid opcode: 0000 [#1] SMP PTI # [ 42.222501] CPU: 3 PID: 648 Comm: cat Tainted: G W 5.10.165-cip24 #1 # [ 42.231084] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 42.237713] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 42.242112] Code: 89 ff e8 be 67 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 90 62 92 02 # [ 42.263119] RSP: 0018:ffff90e6c1297e60 EFLAGS: 00010286 # [ 42.268972] RAX: ffffffff856e43c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 42.276959] RDX: 0000000000000000 RSI: ffff8afd3bd9bf70 RDI: ffffffff864d0fb0 # [ 42.284954] RBP: ffffffff8690fba8 R08: 0000000000000001 R09: 0000000000000001 # [ 42.292950] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 42.300946] R13: ffff90e6c1297f10 R14: ffff90e6c1297f10 R15: ffff8afcc298f000 # [ 42.308946] FS: 00007fbc60235580(0000) GS:ffff8afd3bd80000(0000) knlGS:0000000000000000 # [ 42.318019] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 42.324454] CR2: 00007fbc6003e000 CR3: 000000010578c000 CR4: 00000000003506e0 # [ 42.332437] Call Trace: # [ 42.335182] direct_entry.cold+0x2c/0x38 # [ 42.339580] full_proxy_write+0x56/0x80 # [ 42.343884] vfs_write+0xea/0x3a0 # [ 42.347599] ksys_write+0x68/0xf0 # [ 42.351309] do_syscall_64+0x33/0x40 # [ 42.355314] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 42.360961] RIP: 0033:0x7fbc6014b833 # [ 42.364958] 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 # [ 42.386008] RSP: 002b:00007fff412df4b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 42.394490] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fbc6014b833 # [ 42.402485] RDX: [ 42.822058] lkdtm: Performing direct entry WARNING [ 42.829672] ------------[ cut here ]------------ [ 42.834899] WARNING: CPU: 2 PID: 684 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 0000000000000004 RSI: 00007fbc6003e000 RDI: 0000000000000001 # [ 42.844392] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 42.866631] CPU: 2 PID: 684 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 42.875227] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 42.410489] RBP: 00007fbc6003e000 R08: 00007fbc6003d010 R09: [ 42.881899] RIP: 0010:lkdtm_WARNING+0x13/0x20 [ 42.893034] 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 90 62 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 71 62 [ 42.914092] RSP: 0018:ffff90e6c1317e60 EFLAGS: 00010202 [ 42.919968] RAX: ffffffff856e43d0 RBX: 0000000000000002 RCX: 0000000000000000 [ 42.927989] RDX: 0000000000000000 RSI: ffff8afd3bd1bf70 RDI: ffffffff864d0fc0 [ 42.936004] RBP: ffffffff868b43a7 R08: 0000000000000000 R09: 0000000000000000 [ 42.944023] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 [ 42.952036] R13: ffff90e6c1317f10 R14: ffff90e6c1317f10 R15: ffff8afcc5628000 [ 42.960056] FS: 00007f1b6edd2580(0000) GS:ffff8afd3bd00000(0000) knlGS:0000000000000000 [ 42.969147] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.975613] CR2: 00007f1b6ebdb000 CR3: 0000000103210000 CR4: 00000000003506e0 [ 42.983627] Call Trace: [ 42.986403] direct_entry.cold+0x2c/0x38 [ 42.990837] full_proxy_write+0x56/0x80 [ 42.995149] vfs_write+0xea/0x3a0 [ 42.998891] ksys_write+0x68/0xf0 [ 43.002631] do_syscall_64+0x33/0x40 [ 43.006662] entry_SYSCALL_64_after_hwframe+0x61/0xc6 0000000000000000 # [ 42.418483] R10: fffffffffffffbc5 R11: 00[ 43.012356] RIP: 0033:0x7f1b6ece8833 00000000000246 R12: 0000000000000001 # [ 42.426485] R13: 0000[ 43.022596] 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 [ 43.049904] RSP: 002b:00007ffc510f88a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 43.058431] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f1b6ece8833 [ 43.066457] RDX: 0000000000000008 RSI: 00007f1b6ebdb000 RDI: 0000000000000001 [ 43.074484] RBP: 00007f1b6ebdb000 R08: 00007f1b6ebda010 R09: 0000000000000000 000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ [ 43.082517] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 43.096782] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 43.104822] irq event stamp: 0 42.434499] Modules linked in: fuse ip_tables cros_ec_sysfs cros_[ 43.108268] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 43.121530] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 43.130707] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 43.139909] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 43.146961] ---[ end trace 9e0e9468693c5762 ]--- ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 42.450890] ---[ end trace 9e0e9468693c5761 ]--- # [ 42.456226] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 42.460904] Code: 89 ff e8 be 67 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 90 62 92 02 # [ 42.482298] RSP: 0018:ffff90e6c1297e60 EFLAGS: 00010286 # [ 42.488206] RAX: ffffffff856e43c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 42.496269] RDX: 0000000000000000 RSI: ffff8afd3bd9bf70 RDI: ffffffff864d0fb0 # [ 42.504425] RBP: ffffffff8690fba8 R08: 0000000000000001 R09: 0000000000000001 # [ 42.512502] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 42.520651] R13: ffff90e6c1297f10 R14: ffff90e6c1297f10 R15: ffff8afcc298f000 # [ 42.528745] FS: 00007fbc60235580(0000) GS:ffff8afd3bd80000(0000) knlGS:0000000000000000 # [ 42.537942] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 42.544469] CR2: 00007fbc6003e000 CR3: 000000010578c000 CR4: 00000000003506e0 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 42.822058] lkdtm: Performing direct entry WARNING # [ 42.829672] ------------[ cut here ]------------ # [ 42.834899] WARNING: CPU: 2 PID: 684 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 # [ 42.844392] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 42.866631] CPU: 2 PID: 684 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 42.875227] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 42.881899] RIP: 0010:lkdtm_WARNING+0x13/0x20 # [ 42.893034] 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 90 62 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 71 62 # [ 42.914092] RSP: 0018:ffff90e6c1317e60 EFLAGS: 00010202 # [ 42.919968] RAX: ffffffff856e43d0 RBX: 0000000000000002 RCX: 0000000000000000 # [ 42.927989] RDX: 0000000000000000 RSI: ffff8afd3bd1bf70 RDI: ffffffff864d0fc0 # [ 42.936004] RBP: ffffffff868b43a7 R08: 0000000000000000 R09: 0000000000000000 # [ 4[ 43.379809] lkdtm: Performing direct entry WARNING_MESSAGE [ 43.388756] ------------[ cut here ]------------ [ 43.393975] Warning message trigger count: 2 2.944023] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000[ 43.398859] WARNING: CPU: 0 PID: 719 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 [ 43.415262] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 43.431276] CPU: 0 PID: 719 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 43.439886] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 43.446542] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 [ 43.452232] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 71 62 92 02 48 c7 c7 08 49 8b 86 8d 70 01 89 35 61 62 92 02 e8 f7 63 63 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 [ 43.473308] RSP: 0018:ffff90e6c139fe60 EFLAGS: 00010286 00000000008 # [ 42.952036] R13: ffff90e6c1317f10 R14: ffff90e[ 43.479220] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 43.493427] RDX: ffff8afd3bc2c660 RSI: ffff8afd3bc1bf70 RDI: ffff8afd3bc1bf70 [ 43.501457] RBP: ffffffff868b43af R08: 0000000000000000 R09: 0000000000000000 [ 43.509484] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 [ 43.517509] R13: ffff90e6c139ff10 R14: ffff90e6c139ff10 R15: ffff8afcc66cc000 [ 43.525543] FS: 00007fe9bf895580(0000) GS:ffff8afd3bc00000(0000) knlGS:0000000000000000 [ 43.534611] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.541059] CR2: 00007fe9bf69e000 CR3: 00000001066b6000 CR4: 00000000003506f0 [ 43.549057] Call Trace: [ 43.551819] direct_entry.cold+0x2c/0x38 [ 43.556240] full_proxy_write+0x56/0x80 [ 43.560561] vfs_write+0xea/0x3a0 [ 43.564298] ksys_write+0x68/0xf0 [ 43.568037] do_syscall_64+0x33/0x40 [ 43.572069] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 43.577745] RIP: 0033:0x7fe9bf7ab833 [ 43.581770] 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 [ 43.602851] RSP: 002b:00007ffcbb92f9f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 43.611353] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fe9bf7ab833 [ 43.619357] RDX: 0000000000000010 RSI: 00007fe9bf69e000 RDI: 0000000000000001 [ 43.627355] RBP: 00007fe9bf69e000 R08: 00007fe9bf69d010 R09: 0000000000000000 [ 43.635376] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 43.643386] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 43.651410] irq event stamp: 0 [ 43.654845] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 43.661891] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 6c1317f10 R15: ffff8afcc5628000 # [ 42.960056] FS: 00007f1b6[ 43.671064] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 edd2580(0000) GS:ffff8afd3bd00000(0000) knlGS:0000000000000000 [ 43.686427] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 43.699681] ---[ end trace 9e0e9468693c5763 ]--- # [ 42.969147] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 42.975613] CR2: 00007f1b6ebdb000 CR3: 0000000103210000 CR4: 00000000003506e0 # [ 42.983627] Call Trace: # [ 42.986403] direct_entry.cold+0x2c/0x38 # [ 42.990837] full_proxy_write+0x56/0x80 # [ 42.995149] vfs_write+0xea/0x3a0 # [ 42.998891] ksys_write+0x68/0xf0 # [ 43.002631] do_syscall_64+0x33/0x40 # [ 43.006662] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 43.012356] RIP: 0033:0x7f1b6ece8833 # [ 43.022596] 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 # [ 43.049904] RSP: 002b:00007ffc510f88a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 43.058431] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f1b6ece8833 # [ 43.066457] RDX: 0000000000000008 RSI: 00007f1b6ebdb000 RDI: 0000000000000001 # [ 43.074484] RBP: 00007f1b6ebdb000 R08: 00007f1b6ebda010 R09: 0000000000000000 # [ 43.082517] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 43.096782] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 43.104822] irq event stamp: 0 # [ 43.108268] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 43.121530] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 43.130707] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 43.139909] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 43.146961] ---[ end trace 9e0e9468693c5762 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 43.379809] lkdtm: Performing direct entry WARNING_MESSAGE # [ 43.388756] ------------[ cut here ]------------ # [ 43.393975] Warning message trigger count: 2 # [ 43.398859] WARNING: CPU: 0 PID: 719 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 43.415262] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 43.431276] CPU: 0 PID: 719 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 43.439886] Hardware name: Google Coral/Coral, BIOS 09/29/2020[ 43.932544] lkdtm: Performing direct entry EXCEPTION # [ 43.446542] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 43.940753] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 43.954767] #PF: supervisor write access in kernel mode [ 43.960619] #PF: error_code(0x0002) - not-present page [ 43.966379] PGD 0 P4D 0 [ 43.969228] Oops: 0002 [#2] SMP PTI [ 43.973144] CPU: 0 PID: 751 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 43.981724] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 43.988364] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 [ 43.993338] Code: 48 c7 c7 08 49 8b 86 8d 70 01 89 35 61 62 92 02 e8 f7 63 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 [ 44.014380] RSP: 0018:ffff90e6c1407e60 EFLAGS: 00010282 [ 44.020236] RAX: ffffffff856e4420 RBX: 0000000000000004 RCX: 0000000000000000 [ 44.028236] RDX: 0000000000000000 RSI: ffff8afd3bc1bf70 RDI: ffffffff864d0fe0 [ 44.036237] RBP: ffffffff867e9247 R08: 0000000000000000 R09: 0000000000000000 [ 44.044235] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 44.052233] R13: ffff90e6c1407f10 R14: ffff90e6c1407f10 R15: ffff8afcc4eda000 [ 44.060240] FS: 00007fc7e0cf0580(0000) GS:ffff8afd3bc00000(0000) knlGS:0000000000000000 [ 44.069314] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.075758] CR2: 0000000000000000 CR3: 0000000104250000 CR4: 00000000003506f0 [ 44.083761] Call Trace: [ 44.086514] direct_entry.cold+0x2c/0x38 [ 44.090913] full_proxy_write+0x56/0x80 [ 44.095211] vfs_write+0xea/0x3a0 [ 44.098921] ksys_write+0x68/0xf0 [ 44.102638] do_syscall_64+0x33/0x40 [ 44.106644] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 44.112299] RIP: 0033:0x7fc7e0c06833 [ 44.116302] 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 [ 44.137315] RSP: 002b:00007ffd00770978 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 44.145784] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fc7e0c06833 [ 44.153769] RDX: 000000000000000a RSI: 00007fc7e0af9000 RDI: 0000000000000001 [ 44.161752] RBP: 00007fc7e0af9000 R08: 00007fc7e0af8010 R09: 0000000000000000 [ 44.169729] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 44.177711] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 44.185701] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 44.201690] CR2: 0000000000000000 [ 44.205396] ---[ end trace 9e0e9468693c5764 ]--- [ 44.210562] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 44.214944] Code: 89 ff e8 be 67 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 90 62 92 02 [ 44.235945] RSP: 0018:ffff90e6c1297e60 EFLAGS: 00010286 [ 44.241788] RAX: ffffffff856e43c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 44.249764] RDX: 0000000000000000 RSI: ffff8afd3bd9bf70 RDI: ffffffff864d0fb0 [ 44.257739] RBP: ffffffff8690fba8 R08: 0000000000000001 R09: 0000000000000001 [ 44.265722] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 44.273704] R13: ffff90e6c1297f10 R14: ffff90e6c1297f10 R15: ffff8afcc298f000 [ 44.281679] FS: 00007fc7e0cf0580(0000) GS:ffff8afd3bc00000(0000) knlGS:0000000000000000 [ 44.290724] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.297149] CR2: 0000000000000000 CR3: 0000000104250000 CR4: 00000000003506f0 [ 44.305127] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 44.315049] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 751, name: cat [ 44.323413] INFO: lockdep is turned off. [ 44.327794] irq event stamp: 0 [ 44.331207] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 44.338219] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 44.347365] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 44.356519] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 44.363529] CPU: 0 PID: 751 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 44.372096] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 44.378719] Call Trace: [ 44.381460] dump_stack+0x77/0x9b [ 44.385173] ___might_sleep.cold+0xa6/0xb6 [ 44.389762] exit_signals+0x1c/0x2e0 [ 44.393765] do_exit+0xc2/0xaf0 [ 44.397284] ? ksys_write+0x68/0xf0 [ 44.401191] rewind_stack_do_exit+0x17/0x20 [ 44.405871] RIP: 0033:0x7fc7e0c06833 [ 44.409867] 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 [ 44.430882] RSP: 002b:00007ffd00770978 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 44.439361] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fc7e0c06833 [ 44.447336] RDX: 000000000000000a RSI: 00007fc7e0af9000 RDI: 0000000000000001 [ 44.455323] RBP: 00007fc7e0af9000 R08: 00007fc7e0af8010 R09: 0000000000000000 [ 44.463298] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 44.471280] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 43.452232] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 71 62 92 02 48 c7 c7 08 49 8b 86 8d 70 01 89 35 61 62 92 02 e8 f7 63 63 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 43.473308] RSP: 0018:ffff90e6c139fe60 EFLAGS: 00010286 # [ 43.479220] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 43.493427] RDX: ffff8afd3bc2c660 RSI: ffff8afd3bc1bf70 RDI: ffff8afd3bc1bf70 # [ 43.501457] RBP: ffffffff868b43af R08: 0000000000000000 R09: 0000000000000000 # [ 43.509484] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 43.517509] R13: ffff90e6c139ff10 R14: ffff90e6c139ff10 R15: ffff8afcc66cc000 # [ 43.525543] FS: 00007fe9bf895580(0000) GS:ffff8afd3bc00000(0000) knlGS:0000000000000000 # [ 43.534611] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 43.541059] CR2: 00007fe9bf69e000 CR3: 00000001066b6000 CR4: 00000000003506f0 # [ 43.549057] Call Trace: # [ 43.551819] direct_entry.cold+0x2c/0x38 # [ 43.556240] full_proxy_write+0x56/0x80 # [ 43.560561] vfs_write+0xea/0x3a0 # [ 43.564298] ksys_write+0x68/0xf0 # [ 43.568037] do_syscall_64+0x33/0x40 # [ 43.572069] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 43.577745] RIP: 0033:0x7fe9bf7ab833 # [ 43.581770] 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 # [ 43.602851] RSP: 002b:00007ffcbb92f9f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 43.611353] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fe9bf7ab833 # [ 43.619357] RDX: 0000000000000010 RSI: 00007fe9bf69e000 RDI: 0000000000000001 # [ 43.627355] RBP: 00007fe9bf69e000 R08: 00007fe9bf69d010 R09: 0000000000000000 # [ 43.635376] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 43.643386] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 43.651410] irq event stamp: 0 # [ 43.654845] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 43.661891] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 43.671064] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 43.686427] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 43.699681] ---[ end trace 9e0e9468693c5763 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 43.932544] lkdtm: Performing direct entry EXCEPTION # [ 43.940753] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 43.954767] #PF: supervisor write access in kernel mode # [ 43.960619] #PF: error_code(0x0002) - not-present page # [ 43.966379] PGD 0 P4D 0 # [ 43.969228] Oops: 0002 [#2] SMP PTI # [ 43.973144] CPU: 0 PID: 751 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 43.981724] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 43.988364] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 43.993338] Code: 48 c7 c7 08 49 8b 86 8d 70 01 89 35 61 62 92 02 e8 f7 63 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 # [ 44.014380] RSP: 0018:ffff90e6c1407e60 EFLAGS: 00010282 # [ 44.020236] RAX: ffffffff856e4420 RBX: 0000000000000004 RCX: 0000000000000000 # [ 44.028236] RDX: 0000000000000000 RSI: ffff8afd3bc1bf70 RDI: ffffffff864d0fe0 # [ 44.036237] RBP: ffffffff867e9247 R08: 0000000000000000 R09: 0000000000000000 # [ 44.044235] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 44.052233] R13: ffff90e6c1407f10 R14: ffff90e6c1407f10 R15: ffff8afcc4eda000 # [ 44.060240] FS: 00007fc7e0cf0580(0000) GS:ffff8afd3bc00000(0000) knlGS:0000000000000000 # [ 44.069314] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.075758] CR2: 0000000000000000 CR3: 0000000104250000 CR4: 00000000003506f0 # [ 44.083761] Call Trace: # [ 44.086514] direct_entry.cold+0x2c/0x38 # [ 44.090913] full_proxy_write+0x56/0x80 # [ 44.095211] vfs_write+0xea/0x3a0 # [ 44.098921] ksys_write+0x68/0xf0 # [ 44.102638] do_syscall_64+0x33/0x40 # [ 44.106644] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 44.112299] RIP: 0033:0x7fc7e0c06833 # [ 44.116302] 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 # [ 44.137315] RSP: 002b:00007ffd00770978 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 44.145784] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fc7e0c06833 # [ 44.153769] RDX: 000000000000000a RSI: 00007fc7e0af9000 RDI: 0000000000000001 # [ 44.161752] RBP: 00007fc7e0af9000 R08: 00007fc7e0af8010 R09: 0000000000000000 # [ 44.169729] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 44.177711] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 44.185701] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 44.201690] CR2: 0000000000000000 # [ 44.205396] ---[ end trace 9e0e9468693c5764 ]--- # [ 44.210562] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 44.214944] Code: 89 ff e8 be 67 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 90 62 92 02 # [ 44.235945] RSP: 0018:ffff90e6c1297e60 EFLAGS: 00010286 # [ 44.241788] RAX: ffffffff856e43c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 44.249764] RDX: 0000000000000000 RSI: ffff8afd3bd9bf70 RDI: ffffffff864d0fb0 # [ 44.257739] RBP: ffffffff8690fba8 R08: 0000000000000001 R09: 0000000000000001 # [ 44.265722] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 44.273704] R13: ffff90e6c1297f10 R14: ffff90e6c1297f10 R15: ffff8afcc298f000 # [ 44.281679] FS: 00007fc7e0cf0580(0000) GS:ffff8afd3bc00000(0000) knlGS:0000000000000000 # [ 44.290724] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.297149] CR2: 0000000000000000 CR3: 0000000104250000 CR4: 00000000003506f0 # [ 44.305127] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 44.315049] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 751, name: cat # [ 44.323413] INFO: lockdep is turned off. # [ 44.327794] irq event stamp: 0 # [ 44.331207] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 44.338219] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 44.347365] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 44.356519] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 44.363529] CPU: 0 PID: 751 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 44.372096] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 44.378719] Call Trace: # [ 44.381460] dump_stack+0x77/0x9b # [ 44.385173] ___might_sleep.cold+0xa6/0xb6 # [ 44.389762] exit_signals+0x1c/0x2e0 # [ 44.393765] do_exit+0xc2/0xaf0 # [ 44.397284] ? ksys_write+0x68/0xf0 # [ 44.401191] rewind_stack_do_exit+0x17/0x20 # [ 44.405871] RIP: 0033:0x7fc7e0c06833 # [ 44.409867] 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 # [ 44.430882] RSP: 002b:00007ffd00770978 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 44.439361] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fc7e0c06833 # [ 44.447336] RDX: 000000000000000a RSI: 00007fc7e0af9000 RDI: 0000000000000001 # [ 44.455323] RBP: 00007fc7e0af9000 R08: 00007fc7e0af8010 R09: 0000000000000000 # [ 44.463298] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 44.471280] 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 sys[ 45.288775] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 45.300531] lkdtm: attempting good list addition [ 45.305734] lkdtm: attempting corrupted list addition tem ok 6 selftests: lkdtm: LOOP.sh # SKIP # selftests: lkdtm: [ 45.311415] lkdtm: list_add() corruption not detected! EXHAUST_STACK.sh # Skipping EXHAUST_STACK: Corrupts memory on failure ok 7 selftests: lkdtm: EXHAUST_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK.sh # Skipping CORRUPT_STACK: Crashes entire system on success ok 8 selftests: lkdtm: CORRUPT_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK_STRONG.sh # Skipping CORRUPT_STACK_STRONG: Crashes entire system on success ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP # selftests: lkdtm: CORRUPT_LIST_ADD.sh # [ 45.288775] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 45.300531] lkdtm: attempting good list addition # [ 45.305734] lkdtm: attempting corrupted list addition # [ 45.311415] 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 [ 45.541700] lkdtm: Performing direct entry CORRUPT_LIST_DEL [ 45.547979] lkdtm: attempting good list removal [ 45.553093] lkdtm: attempting corrupted list removal [ 45.558687] lkdtm: list_del() corruption not detected! # [ 45.541700] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 45.547979] lkdtm: attempting good list removal # [ 45.553093] lkdtm: attempting corrupted list removal # [ 45.558687] 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 [ 45.781252] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 45.788307] lkdtm: attempting bad read from page below current stack [ 45.795458] BUG: stack guard page was hit at 000000000131fcd3 (stack is 0000000009ab981e..000000008f75af42) [ 45.806362] kernel stack overflow (page fault): 0000 [#3] SMP PTI [ 45.813179] CPU: 1 PID: 976 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 45.821739] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 45.828369] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a [ 45.834895] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 a8 4c 8b 86 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 1e 9d fd ff 48 c7 c7 e8 4c 8b 86 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 04 9d fd ff 0f 1f 44 [ 45.855903] RSP: 0018:ffff90e6c1737e50 EFLAGS: 00010246 [ 45.861757] RAX: 0000000000000038 RBX: ffff90e6c1734000 RCX: 0000000000000000 [ 45.869737] RDX: 0000000000000000 RSI: ffff8afd3bc9bf70 RDI: ffffffff868b4ce8 [ 45.877719] RBP: ffffffff868b4412 R08: 0000000000000000 R09: 0000000000000000 [ 45.885699] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 [ 45.893676] R13: ffff90e6c1737f10 R14: ffff90e6c1737f10 R15: ffff8afcc39f5000 [ 45.901656] FS: 00007fa956d5a580(0000) GS:ffff8afd3bc80000(0000) knlGS:0000000000000000 [ 45.910707] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.917131] CR2: ffff90e6c1733fff CR3: 00000001034f8000 CR4: 00000000003506e0 [ 45.925106] Call Trace: [ 45.927847] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 [ 45.932915] direct_entry.cold+0x2c/0x38 [ 45.937309] full_proxy_write+0x56/0x80 [ 45.941606] vfs_write+0xea/0x3a0 [ 45.945315] ksys_write+0x68/0xf0 [ 45.949028] do_syscall_64+0x33/0x40 [ 45.953030] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 45.958683] RIP: 0033:0x7fa956c70833 [ 45.962686] 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 [ 45.983689] RSP: 002b:00007fffeb304818 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 45.992156] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fa956c70833 [ 46.000130] RDX: 0000000000000019 RSI: 00007fa956b63000 RDI: 0000000000000001 [ 46.008105] RBP: 00007fa956b63000 R08: 00007fa956b62010 R09: 0000000000000000 [ 46.016079] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 46.024056] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 46.032047] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 46.048030] ---[ end trace 9e0e9468693c5765 ]--- [ 46.053199] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 46.057585] Code: 89 ff e8 be 67 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 90 62 92 02 [ 46.078572] RSP: 0018:ffff90e6c1297e60 EFLAGS: 00010286 [ 46.084418] RAX: ffffffff856e43c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 46.092393] RDX: 0000000000000000 RSI: ffff8afd3bd9bf70 RDI: ffffffff864d0fb0 [ 46.100371] RBP: ffffffff8690fba8 R08: 0000000000000001 R09: 0000000000000001 [ 46.108346] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 46.116323] R13: ffff90e6c1297f10 R14: ffff90e6c1297f10 R15: ffff8afcc298f000 [ 46.124301] FS: 00007fa956d5a580(0000) GS:ffff8afd3bc80000(0000) knlGS:0000000000000000 [ 46.133346] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.139768] CR2: ffff90e6c1733fff CR3: 00000001034f8000 CR4: 00000000003506e0 [ 46.147748] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 46.157668] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 976, name: cat [ 46.166033] INFO: lockdep is turned off. [ 46.170415] irq event stamp: 0 [ 46.173831] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 46.180846] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 46.190005] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 46.199165] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 46.206183] CPU: 1 PID: 976 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 46.214747] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 46.221366] Call Trace: [ 46.224110] dump_stack+0x77/0x9b [ 46.227813] ___might_sleep.cold+0xa6/0xb6 [ 46.232401] exit_signals+0x1c/0x2e0 [ 46.236402] do_exit+0xc2/0xaf0 [ 46.239922] ? ksys_write+0x68/0xf0 [ 46.243827] rewind_stack_do_exit+0x17/0x20 [ 46.248515] RIP: 0033:0x7fa956c70833 [ 46.252515] 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 [ 46.273541] RSP: 002b:00007fffeb304818 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 46.282026] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fa956c70833 [ 46.290016] RDX: 0000000000000019 RSI: 00007fa956b63000 RDI: 0000000000000001 [ 46.298013] RBP: 00007fa956b63000 R08: 00007fa956b62010 R09: 0000000000000000 [ 46.306010] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 46.314005] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # Segmentation fault # [ 45.781252] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 45.788307] lkdtm: attempting bad read from page below current stack # [ 45.795458] BUG: stack guard page was hit at 000000000131fcd3 (stack is 0000000009ab981e..000000008f75af42) # [ 45.806362] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 45.813179] CPU: 1 PID: 976 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 45.821739] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 45.828369] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 45.834895] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 a8 4c 8b 86 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 1e 9d fd ff 48 c7 c7 e8 4c 8b 86 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 04 9d fd ff 0f 1f 44 # [ 45.855903] RSP: 0018:ffff90e6c1737e50 EFLAGS: 00010246 # [ 45.861757] RAX: 0000000000000038 RBX: ffff90e6c1734000 RCX: 0000000000000000 # [ 45.869737] RDX: 0000000000000000 RSI: ffff8afd3bc9bf70 RDI: ffffffff868b4ce8 # [ 45.877719] RBP: ffffffff868b4412 R08: 0000000000000000 R09: 0000000000000000 # [ 45.885699] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 45.893676] R13: ffff90e6c1737f10 R14: ffff90e6c1737f10 R15: ffff8afcc39f5000 # [ 45.901656] FS: 00007fa956d5a580(0000) GS:ffff8afd3bc80000(0000) knlGS:0000000000000000 # [ 45.910707] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 45.917131] CR2: ffff90e6c1733fff CR3: 00000001034f8000 CR4: 00000000003506e0 # [ 45.925106] Call Trace: # [ 45.927847] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 # [ 45.932915] direct_entry.cold+0x2c/0x38 # [ 45.937309] full_proxy_write+0x56/0x80 # [ 45.941606] vfs_write+0xea/0x3a0 # [ 45.945315] ksys_write+0x68/0xf0 # [ 45.949028] do_syscall_64+0x33/0x40 # [ 45.953030] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 45.958683] RIP: 0033:0x7fa956c70833 # [ 45.962686] 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 # [ 45.983689] RSP: 002b:00007fffeb304818 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 45.992156] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fa956c70833 # [ 46.000130] RDX: 0000000000000019 RSI: 00007fa956b63000 RDI: 0000000000000001 # [ 46.008105] RBP: 00007fa956b63000 R08: 00007fa956b62010 R09: 0000000000000000 # [ 46.016079] R10: ff[ 46.603312] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING [ 46.613281] lkdtm: attempting bad read from page above current stack [ 46.620453] BUG: stack guard page was hit at 00000000934a9383 (stack is 0000000026b57d04..000000006da423d3) fffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ [ 46.631354] kernel stack overflow (page fault): 0000 [#4] SMP PTI [ 46.644388] CPU: 0 PID: 1009 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 46.653059] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 46.659694] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d [46.024056] R13: 0000000000000001 R14: 0000000000020000 R15: 00 46.666321] Code: 9d fd ff 0f 1f 44 00 00 53 48 c7 c7 20 4d 8b 86 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 e4 9c fd ff 48 c7 c7 60 4d 8b 86 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 c7 9c fd ff [ 46.693551] RSP: 0018:ffff90e6c17bfe50 EFLAGS: 00010246 [ 46.699406] RAX: 0000000000000038 RBX: ffff90e6c17bc000 RCX: 0000000000000000 [ 46.707387] RDX: 0000000000000000 RSI: ffff8afd3bc1bf70 RDI: ffffffff868b4d60 [ 46.715375] RBP: ffffffff868b442b R08: 0000000000000000 R09: 0000000000000000 [ 46.723347] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a [ 46.731321] R13: ffff90e6c17bff10 R14: ffff90e6c17bff10 R15: ffff8afcc57e1000 [ 46.739300] FS: 00007ff271642580(0000) GS:ffff8afd3bc00000(0000) knlGS:0000000000000000 [ 46.748337] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.754756] CR2: ffff90e6c17c0000 CR3: 0000000103298000 CR4: 00000000003506f0 [ 46.762733] Call Trace: [ 46.765476] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a [ 46.771317] direct_entry.cold+0x2c/0x38 [ 46.775709] full_proxy_write+0x56/0x80 [ 46.780006] vfs_write+0xea/0x3a0 [ 46.783716] ksys_write+0x68/0xf0 [ 46.787427] do_syscall_64+0x33/0x40 [ 46.791432] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 46.797098] RIP: 0033:0x7ff271558833 [ 46.801108] 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 [ 46.822155] RSP: 002b:00007ffec7cc5d08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 46.830630] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007ff271558833 [ 46.838618] RDX: 000000000000001a RSI: 00007ff27144b000 RDI: 0000000000000001 [ 46.846603] RBP: 00007ff27144b000 R08: 00007ff27144a010 R09: 0000000000000000 [ 46.854596] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 46.862579] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 46.870572] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 46.886566] ---[ end trace 9e0e9468693c5766 ]--- [ 46.891743] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 46.896138] Code: 89 ff e8 be 67 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 90 62 92 02 [ 46.917195] RSP: 0018:ffff90e6c1297e60 EFLAGS: 00010286 [ 46.923060] RAX: ffffffff856e43c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 46.931041] RDX: 0000000000000000 RSI: ffff8afd3bd9bf70 RDI: ffffffff864d0fb0 [ 46.939030] RBP: ffffffff8690fba8 R08: 0000000000000001 R09: 0000000000000001 [ 46.947018] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 46.955003] R13: ffff90e6c1297f10 R14: ffff90e6c1297f10 R15: ffff8afcc298f000 [ 46.962985] FS: 00007ff271642580(0000) GS:ffff8afd3bc00000(0000) knlGS:0000000000000000 [ 46.972042] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.978466] CR2: ffff90e6c17c0000 CR3: 0000000103298000 CR4: 00000000003506f0 00000000020000 # [ 46.032047] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 46.048030] ---[ end trace 9e0e9468693c5765 ]--- # [ 46.053199] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 46.057585] Code: 89 ff e8 be 67 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 90 62 92 02 # [ 46.078572] RSP: 0018:ffff90e6c1297e60 EFLAGS: 00010286 # [ 46.084418] RAX: ffffffff856e43c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 46.092393] RDX: 0000000000000000 RSI: ffff8afd3bd9bf70 RDI: ffffffff864d0fb0 # [ 46.100371] RBP: ffffffff8690fba8 R08: 0000000000000001 R09: 0000000000000001 # [ 46.108346] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 46.116323] R13: ffff90e6c1297f10 R14: ffff90e6c1297f10 R15: ffff8afcc298f000 # [ 46.124301] FS: 00007fa956d5a580(0000) GS:ffff8afd3bc80000(0000) knlGS:0000000000000000 # [ 46.133346] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.139768] CR2: ffff90e6c1733fff CR3: 00000001034f8000 CR4: 00000000003506e0 # [ 46.147748] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 46.157668] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 976, name: cat # [ 46.166033] INFO: lockdep is turned off. # [ 46.170415] irq event stamp: 0 # [ 46.173831] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 46.180846] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 46.190005] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 46.199165] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 46.206183] CPU: 1 PID: 976 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 46.214747] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 46.221366] Call Trace: # [ 46.224110] dump_stack+0x77/0x9b # [ 46.227813] ___might_sleep.cold+0xa6/0xb6 # [ 46.232401] exit_signals+0x1c/0x2e0 # [ 46.236402] do_exit+0xc2/0xaf0 # [ 46.239922] ? ksys_write+0x68/0xf0 # [ 46.243827] rewind_stack_do_exit+0x17/0x20 # [ 46.248515] RIP: 0033:0x7fa956c70833 # [ 46.252515] 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 [ 47.231271] lkdtm: Performing direct entry UNSET_SMEP # [ 46.273541] RSP: 002b:00007fffeb304818 EFLAGS: 00000246 ORI[ 47.241560] lkdtm: trying to clear SMEP normally G_RAX: 0000000000000001 # [ 46.282026] RAX: ffffffffffffffda [ 47.252988] ------------[ cut here ]------------ RBX: 0000000000000019 RCX: 00007fa956c70833 # [ 46.290016] RD[ 47.264429] pinned CR4 bits changed: 0x100000!? X: 0000000000000019 RSI: 00007fa956b63000 RDI: 0000000000000001 [ 47.275735] WARNING: CPU: 3 PID: 1045 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 # [ 46.298013] RBP: 00007fa956b63000 R08: 00007fa956b62010 R0[ 47.292501] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 9: 0000000000000000 # [ 46.306010] R10: fffffffffffffbc5 R11:[ 47.314504] CPU: 3 PID: 1045 Comm: cat Tainted: G D W 5.10.165-cip24 #1 0000000000000246 R12: 0000000000000001 # [ 46.314005] R13: 0[ 47.329572] Hardware name: Google Coral/Coral, BIOS 09/29/2020 000000000000001 R14: 0000000000020000 R15: 0000000000020000 # S[ 47.342474] RIP: 0010:native_write_cr4+0x45/0x60 TACK_GUARD_PAGE_LEADING: saw 'call trace:': ok ok 12 selftests:[ 47.353721] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 56 93 e3 01 00 75 f2 48 c7 c7 60 32 7f 86 c6 05 46 93 e3 01 01 e8 72 5b e5 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 lkdtm: STACK_GUARD_PAGE_LEADING.sh # selftests: lkdtm: STACK_G[ 47.380984] RSP: 0018:ffff90e6c1807e48 EFLAGS: 00010286 UARD_PAGE_TRAILING.sh # Segmentation fault # [ 46.603312] lk[ 47.393064] RAX: 0000000000000000 RBX: 00000000002506e0 RCX: 0000000000000000 dtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 46[ 47.407298] RDX: ffff8afd3bdac660 RSI: ffff8afd3bd9bf70 RDI: ffff8afd3bd9bf70 .613281] lkdtm: attempting bad read from page above current stac[ 47.421558] RBP: ffffffff868b4445 R08: 0000000000000000 R09: 0000000000000000 k # [ 46.620453] BUG: stack guard page was hit at 00000000934[ 47.435731] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b a9383 (stack is 0000000026b57d04..000000006da423d3) # [ 46.63[ 47.450000] R13: ffff90e6c1807f10 R14: ffff90e6c1807f10 R15: ffff8afcc4f72000 1354] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [[ 47.464258] FS: 00007f9e6a5ab580(0000) GS:ffff8afd3bd80000(0000) knlGS:0000000000000000 46.644388] CPU: 0 PID: 1009 Comm: cat Tainted: G D W [ 47.479523] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 5.10.165-cip24 #1 # [ 46.653059] Hardware name: Google C[ 47.492174] CR2: 00007f9e6a3b4000 CR3: 000000010399c000 CR4: 00000000003506e0 oral/Coral, BIOS 09/29/2020 # [ 46.659694] RIP: 0010:lkdtm_S[ 47.506391] Call Trace: TACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 46.666321] Code: 9d fd[ 47.515389] lkdtm_UNSET_SMEP.cold+0x1d/0x103 ff 0f 1f 44 00 00 53 48 c7 c7 20 4d 8b 86 50 65 48 8b 04 25 40 [ 47.526392] direct_entry.cold+0x2c/0x38 b0 01 00 48 8b 58 18 e8 e4 9c fd ff 48 c7 c7 60 4d 8b 86 <8a> 83[ 47.537053] full_proxy_write+0x56/0x80 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 c7 9c fd ff # [ 47.547507] vfs_write+0xea/0x3a0 [ 46.693551] RSP: 0018:ffff90e6c17bfe50 EFLAGS: 00010246 # [ [ 47.557487] ksys_write+0x68/0xf0 46.699406] RAX: 0000000000000038 RBX: ffff90e6c17bc000 RCX: 00[ 47.567379] do_syscall_64+0x33/0x40 00000000000000 # [ 46.707387] RDX: 0000000000000000 RSI: ffff[ 47.577624] entry_SYSCALL_64_after_hwframe+0x61/0xc6 8afd3bc1bf70 RDI: ffffffff868b4d60 # [ 46.715375] RBP: ffffff[ 47.589430] RIP: 0033:0x7f9e6a4c1833 ff868b442b R08: 0000000000000000 R09: 0000000000000000 # [ 46[ 47.599788] 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 .723347] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000[ 47.626955] RSP: 002b:00007ffc6738abd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 000000001a # [ 46.731321] R13: ffff90e6c17bff10 R14: ffff90e6[ 47.641707] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f9e6a4c1833 c17bff10 R15: ffff8afcc57e1000 # [ 46.739300] FS: 00007ff271[ 47.655807] RDX: 000000000000000b RSI: 00007f9e6a3b4000 RDI: 0000000000000001 642580(0000) GS:ffff8afd3bc00000(0000) knlGS:0000000000000000 #[ 47.670076] RBP: 00007f9e6a3b4000 R08: 00007f9e6a3b3010 R09: 0000000000000000 [ 46.748337] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003[ 47.684241] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 3 # [ 46.754756] CR2: ffff90e6c17c0000 CR3: 0000000103298000 [ 47.698479] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 CR4: 00000000003506f0 # [ 46.762733] Call Trace: # [ 46.76[ 47.712674] irq event stamp: 0 5476] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a # [ 46.7713[ 47.722303] hardirqs last enabled at (0): [<0000000000000000>] 0x0 17] direct_entry.cold+0x2c/0x38 # [ 46.775709] full_proxy_w[ 47.735534] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 rite+0x56/0x80 # [ 46.780006] vfs_write+0xea/0x3a0 # [ 46[ 47.750953] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 .783716] ksys_write+0x68/0xf0 # [ 46.787427] do_syscall_64+[ 47.766297] softirqs last disabled at (0): [<0000000000000000>] 0x0 0x33/0x40 # [ 46.791432] entry_SYSCALL_64_after_hwframe+0x61[ 47.779541] ---[ end trace 9e0e9468693c5767 ]--- /0xc6 # [ 46.797098] RIP: 0033:0x7ff271558833 # [ 46.80110[ 47.790939] lkdtm: ok: SMEP did not get cleared 8] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff e[ 47.802289] lkdtm: trying to clear SMEP with call gadget b b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00[ 47.814493] lkdtm: ok: SMEP removal was reverted 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 46.822155] RSP: 002b:00007ffec7cc5d08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 46.830630] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007ff271558833 # [ 46.838618] RDX: 000000000000001a RSI: 00007ff27144b000 RDI: 0000000000000001 # [ 46.846603] RBP: 00007ff27144b000 R08: 00007ff27144a010 R09: 0000000000000000 # [ 46.854596] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 46.862579] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 46.870572] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 46.886566] ---[ end trace 9e0e9468693c5766 ]--- # [ 46.891743] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 46.896138] Code: 89 ff e8 be 67 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 90 62 92 02 # [ 46.917195] RSP: 0018:ffff90e6c1297e60 EFLAGS: 00010286 # [ 46.923060] RAX: ffffffff856e43c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 46.931041] RDX: 0000000000000000 RSI: ffff8afd3bd9bf70 RDI: ffffffff864d0fb0 # [ 46.939030] RBP: ffffffff8690fba8 R08: 0000000000000001 R09: 0000000000000001 # [ 46.947018] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 46.955003] R13: ffff90e6c1297f10 R14: ffff90e6c1297f10 R15: ffff8afcc298f000 # [ 46.962985] FS: 00007ff271642580(0000) GS:ffff8afd3bc00000(0000) knlGS:0000000000000000 # [ 46.972042] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.978466] CR2: ffff90e6c17c0000 CR3: 0000000103298000 CR4: 00000000003506f0 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 47.231271] lkdtm: Performing direct entry UNSET_SMEP # [ 47.241560] lkdtm: trying to clear SMEP normally # [ 47.252988] ------------[ cut here ]------------ # [ 47.264429] pinned CR4 bits changed: 0x100000!? # [ 47.275735] WARNING: CPU: 3 PID: 1045 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 # [ 47.292501] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 47.314504] CPU: 3 PID: 1045 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 47.329572] Hardware name:[ 48.069535] lkdtm: Performing direct entry DOUBLE_FAULT [ 48.080529] lkdtm: XFAIL: this test is ia32-only Google Coral/Coral, BIOS 09/29/2020 # [ 47.342474] RIP: 0010:native_write_cr4+0x45/0x60 # [ 47.353721] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 56 93 e3 01 00 75 f2 48 c7 c7 60 32 7f 86 c6 05 46 93 e3 01 01 e8 72 5b e5 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ 47.380984] RSP: 0018:ffff90e6c1807e48 EFLAGS: 00010286 # [ 47.393064] RAX: 0000000000000000 RBX: 00000000002506e0 RCX: 0000000000000000 # [ 47.407298] RDX: ffff8afd3bdac660 RSI: ffff8afd3bd9bf70 RDI: ffff8afd3bd9bf70 # [ 47.421558] RBP: ffffffff868b4445 R08: 0000000000000000 R09: 0000000000000000 # [ 47.435731] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 47.450000] R13: ffff90e6c1807f10 R14: ffff90e6c1807f10 R15: ffff8afcc4f72000 # [ 47.464258] FS: 00007f9e6a5ab580(0000) GS:ffff8afd3bd80000(0000) knlGS:0000000000000000 # [ 47.479523] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.492174] CR2: 00007f9e6a3b4000 CR3: 000000010399c000 CR4: 00000000003506e0 # [ 47.506391] Call Trace: # [ 47.515389] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 47.526392] direct_entry.cold+0x2c/0x38 # [ 47.537053] full_proxy_write+0x56/0x80 # [ 47.547507] vfs_write+0xea/0x3a0 # [ 47.557487] ksys_write+0x68/0xf0 # [ 47.567379] do_syscall_64+0x33/0x40 # [ 47.577624] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 47.589430] RIP: 0033:0x7f9e6a4c1833 # [ 47.599788] 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 # [ 47.626955] RSP: 002b:00007ffc6738abd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 47.641707] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f9e6a4c1833 # [ 47.655807] RDX: 000000000000000b RSI: 00007f9e6a3b4000 RDI: 0000000000000001 # [ 47.670076] RBP: 00007f9e6a3b4000 R08: 00007f9e6a3b3010 R09: 0000000000000000 # [ 47.684241] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 47.698479] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 47.712674] irq event stamp: 0 # [ 47.722303] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 47.735534] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 47.750953] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 47.766297] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 47.779541] ---[ end trace 9e0e9468693c5767 ]--- # [ 47.790939] lkdtm: ok: SMEP did not get cleared # [ 47.802289] lkdtm: trying to clear SMEP with call gadget # [ 47.814493] lkdtm: ok: SMEP removal was reverted # UNSET_SMEP: saw 'pinned CR4 bits changed:': ok ok 14 selftests: lkdtm: UNSET_SMEP.sh # selftests: lkdtm[ 48.364956] lkdtm: Performing direct entry CORRUPT_PAC [ 48.371598] lkdtm: XFAIL: this test is arm64-only : DOUBLE_FAULT.sh # [ 48.069535] lkdtm: Performing direct entry DOUBLE_FAULT # [ 48.080529] lkdtm: XFAIL: this test is ia32-only # DOUBLE_FAULT: saw 'XFAIL': [SKIP] ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP # selftests: lkdtm: CORRUPT_PAC.sh # [ 48.364956] lkdtm: Performing direct entry CORRUPT_PAC # [ 48.371598] 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 [ 48.609891] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE [ 48.617155] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 48.609891] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 48.617155] 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 [ 49.103545] lkdtm: Performing direct entry READ_AFTER_FREE [ 49.109735] lkdtm: Value in memory before free: 12345678 [ 49.115727] lkdtm: Attempting bad read from freed memory [ 49.121701] lkdtm: Memory was not poisoned # [ 49.103545] lkdtm: Performing direct entry READ_AFTER_FREE # [ 49.109735] lkdtm: Value in memory before free: 12345678 # [ 49.115727] lkdtm: Attempting bad read from freed memory # [ 49.121701] 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 [ 49.490723] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE [ 49.497488] lkdtm: Value in memory before free: 12345678 [ 49.503461] lkdtm: Attempting to read from freed memory [ 49.509340] lkdtm: Buddy page was not poisoned # [ 49.490723] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 49.497488] lkdtm: Value in memory before free: 12345678 # [ 49.503461] lkdtm: Attempting to read from freed memory # [ 49.509340] 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 [ 49.746631] lkdtm: Performing direct entry SLAB_FREE_DOUBLE [ 49.752935] lkdtm: Attempting double slab free ... # [ 49.746631] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 49.752935] 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 [ 50.006986] lkdtm: Performing direct entry SLAB_FREE_CROSS [ 50.013178] lkdtm: Attempting cross-cache slab free ... # [ 50.006986] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 50.013178] 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 [ 50.226965] lkdtm: Performing direct entry SLAB_FREE_PAGE [ 50.233070] lkdtm: Attempting non-Slab slab free ... # [ 50.226965] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 50.233070] 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 [ 50.940505] lkdtm: Performing direct entry EXEC_DATA [ 50.946121] lkdtm: attempting ok execution at ffffffff856e4790 [ 50.952680] lkdtm: attempting bad execution at ffffffff8800a6a0 [ 50.959357] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 50.967736] BUG: unable to handle page fault for address: ffffffff8800a6a0 [ 50.975436] #PF: supervisor instruction fetch in kernel mode [ 50.981772] #PF: error_code(0x0011) - permissions violation [ 50.988022] PGD 15c29067 P4D 15c29067 PUD 15c2a063 PMD 80000000172000e3 [ 50.995536] Oops: 0011 [#5] SMP PTI [ 50.999445] CPU: 2 PID: 1552 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 51.008123] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 51.014767] RIP: 0010:data_area+0x0/0x40 [ 51.019166] Code: ff ff 00 f7 7f c2 fc 8a ff ff 00 f6 7f c2 fc 8a ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 51.040201] RSP: 0018:ffff90e6c1fbfe48 EFLAGS: 00010246 [ 51.046049] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 51.054049] RDX: 0000000000000000 RSI: ffff8afd3bd1bf70 RDI: ffff8afd3bd1bf70 [ 51.062039] RBP: ffffffff8800a6a0 R08: 0000000000000000 R09: 0000000000000000 [ 51.070031] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 51.078022] R13: ffff90e6c1fbff10 R14: ffff90e6c1fbff10 R15: ffff8afcc4de3000 [ 51.086020] FS: 00007fe25b777580(0000) GS:ffff8afd3bd00000(0000) knlGS:0000000000000000 [ 51.095091] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.101521] CR2: ffffffff8800a6a0 CR3: 0000000102918000 CR4: 00000000003506e0 [ 51.109518] Call Trace: [ 51.112270] ? execute_location+0x48/0x56 [ 51.116776] ? direct_entry.cold+0x2c/0x38 [ 51.121376] ? full_proxy_write+0x56/0x80 [ 51.125877] ? vfs_write+0xea/0x3a0 [ 51.129789] ? ksys_write+0x68/0xf0 [ 51.133705] ? do_syscall_64+0x33/0x40 [ 51.137911] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 51.143777] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 51.159804] CR2: ffffffff8800a6a0 [ 51.163523] ---[ end trace 9e0e9468693c5768 ]--- [ 51.168702] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 51.173100] Code: 89 ff e8 be 67 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 90 62 92 02 [ 51.194158] RSP: 0018:ffff90e6c1297e60 EFLAGS: 00010286 [ 51.200007] RAX: ffffffff856e43c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 51.208004] RDX: 0000000000000000 RSI: ffff8afd3bd9bf70 RDI: ffffffff864d0fb0 [ 51.216007] RBP: ffffffff8690fba8 R08: 0000000000000001 R09: 0000000000000001 [ 51.224009] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 51.232016] R13: ffff90e6c1297f10 R14: ffff90e6c1297f10 R15: ffff8afcc298f000 [ 51.240019] FS: 00007fe25b777580(0000) GS:ffff8afd3bd00000(0000) knlGS:0000000000000000 [ 51.249082] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.255522] CR2: ffffffff8800a6a0 CR3: 0000000102918000 CR4: 00000000003506e0 [ 51.263526] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 51.273464] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1552, name: cat [ 51.281937] INFO: lockdep is turned off. [ 51.286323] irq event stamp: 0 [ 51.289748] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 51.296768] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 51.305940] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 51.315101] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 51.322128] CPU: 2 PID: 1552 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 51.330803] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 51.337438] Call Trace: [ 51.340184] dump_stack+0x77/0x9b [ 51.343908] ___might_sleep.cold+0xa6/0xb6 [ 51.348492] exit_signals+0x1c/0x2e0 [ 51.352496] do_exit+0xc2/0xaf0 [ 51.356013] ? ksys_write+0x68/0xf0 [ 51.359929] rewind_stack_do_exit+0x17/0x20 [ 51.364619] RIP: 0033:0x7fe25b68d833 [ 51.368623] 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 [ 51.389646] RSP: 002b:00007ffd2af78038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.398132] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fe25b68d833 [ 51.406130] RDX: 000000000000000a RSI: 00007fe25b580000 RDI: 0000000000000001 [ 51.414127] RBP: 00007fe25b580000 R08: 00007fe25b57f010 R09: 0000000000000000 [ 51.422127] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 51.430126] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # Killed # [ 50.940505] lkdtm: Performing direct entry EXEC_DATA # [ 50.946121] lkdtm: attempting ok execution at ffffffff856e4790 # [ 50.952680] lkdtm: attempting bad execution at ffffffff8800a6a0 # [ 50.959357] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 50.967736] BUG: unable to handle page fault for address: ffffffff8800a6a0 # [ 50.975436] #PF: supervisor instruction fetch in kernel mode # [ 50.981772] #PF: error_code(0x0011) - permissions violation # [ 50.988022] PGD 15c29067 P4D 15c29067 PUD 15c2a063 PMD 80000000172000e3 # [ 50.995536] Oops: 0011 [#5] SMP PTI # [ 50.999445] CPU: 2 PID: 1552 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 51.008123] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 51.014767] RIP: 0010:data_area+0x0/0x40 # [ 51.019166] Code: ff ff 00 f7 7f c2 fc 8a ff ff 00 f6 7f c2 fc 8a ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 51.040201] RSP: 0018:ffff90e6c1fbfe48 EFLAGS: 00010246 # [ 51.046049] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 51.054049] RDX: 0000000000000000 RSI: ffff8afd3bd1bf70 RDI: ffff8afd3bd1bf70 # [ 51.062039] RBP: ffffffff8800a6a0 R08: 0000000000000000 R09: 0000000000000000 # [ 51.070031] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 51.078022] R13: ffff90e6c1fbff10 R14: ffff90e6c1fbff10 R15: ffff8afcc4de3000 # [ 51.086020] FS: 00007fe25b777580(0000) GS:ffff8afd3bd00000(0000) knlGS:0000000000000000 # [ 51.095091] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.101521] CR2: ffffffff8800a6a0 CR3: 0000000102918000 CR4: 00000000003506e0 # [ 51.109518] Call Trace: # [ 51.112270] ? execute_location+0x48/0x56 # [ 51.116776] ? direct_entry.cold+0x2c/0x38 # [ 51.121376] ? full_proxy_write+0x56/0x80 # [ 51.125877] ? vfs_write+0xea/0x3a0 # [ 51.129789] ? ksys_write+0x68/0xf0 # [ 51.133705] ? do_syscall_64+0x33/0x40 # [ 51.137911] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 51.143777] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 51.159804] CR2: ffffffff8800a6a0 # [ 51.163523] ---[ end trace 9e0e9468693c5768 ]--- # [ 51.168702] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 51.173100] Code: 89 ff e8 be 67 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 90 62 92 02 # [ 51.194158] RSP: 0018:ffff90e6c1297e60 EFLAGS: 00010286 # [ 51.200007] RAX: ffffffff856e43c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 51.208004] RDX: 000[ 51.767086] lkdtm: Performing direct entry EXEC_STACK [ 51.773687] lkdtm: attempting ok execution at ffffffff856e4790 0000000000000 RSI: ffff8afd3bd9bf70 RDI: ffffffff864d0fb0 # [ [ 51.780242] lkdtm: attempting bad execution at ffff90e6c202fe18 [ 51.793137] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 51.801533] BUG: unable to handle page fault for address: ffff90e6c202fe18 [ 51.809248] #PF: supervisor instruction fetch in kernel mode [ 51.815597] #PF: error_code(0x0011) - permissions violation [ 51.821846] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 103573067 PTE 8000000100805063 [ 51.830935] Oops: 0011 [#6] SMP PTI [ 51.834849] CPU: 2 PID: 1588 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 51.843529] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 51.850167] RIP: 0010:0xffff90e6c202fe18 [ 51.854565] Code: 00 00 18 fe 02 c2 e6 90 ff ff 20 69 d4 85 ff ff ff ff 20 00 00 00 00 00 00 00 6e 45 8b 86 ff ff ff ff 4c 6a d4 85 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 [ 51.875604] RSP: 0018:ffff90e6c202fdf8 EFLAGS: 00010246 [ 51.881463] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 51.889466] RDX: 0000000000000000 RSI: ffff8afd3bd1bf70 RDI: ffff8afd3bd1bf70 [ 51.897469] RBP: ffff90e6c202fe18 R08: 0000000000000000 R09: 0000000000000000 [ 51.905457] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 51.913446] R13: ffff90e6c202ff10 R14: ffff90e6c202ff10 R15: ffff8afcc644b000 [ 51.921440] FS: 00007fd3dfd83580(0000) GS:ffff8afd3bd00000(0000) knlGS:0000000000000000 [ 51.930494] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.936926] CR2: ffff90e6c202fe18 CR3: 00000001066b2000 CR4: 00000000003506e0 [ 51.944913] Call Trace: [ 51.947659] ? execute_location+0x48/0x56 [ 51.952149] ? lkdtm_EXEC_STACK+0x26/0x44 [ 51.956634] ? direct_entry.cold+0x2c/0x38 [ 51.961220] ? full_proxy_write+0x56/0x80 [ 51.965710] ? vfs_write+0xea/0x3a0 [ 51.969614] ? ksys_write+0x68/0xf0 [ 51.973518] ? do_syscall_64+0x33/0x40 [ 51.977710] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 51.983566] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 51.999568] CR2: ffff90e6c202fe18 [ 52.003277] ---[ end trace 9e0e9468693c5769 ]--- 51.216007] RBP: ffffffff8690fba8 R08: 0000000000000001 R09: 000[ 52.008438] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 52.019063] Code: 89 ff e8 be 67 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 90 62 92 02 [ 52.040110] RSP: 0018:ffff90e6c1297e60 EFLAGS: 00010286 [ 52.045968] RAX: ffffffff856e43c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 52.053970] RDX: 0000000000000000 RSI: ffff8afd3bd9bf70 RDI: ffffffff864d0fb0 [ 52.061962] RBP: ffffffff8690fba8 R08: 0000000000000001 R09: 0000000000000001 [ 52.069956] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 52.077944] R13: ffff90e6c1297f10 R14: ffff90e6c1297f10 R15: ffff8afcc298f000 [ 52.085936] FS: 00007fd3dfd83580(0000) GS:ffff8afd3bd00000(0000) knlGS:0000000000000000 [ 52.094994] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.101435] CR2: ffff90e6c202fe18 CR3: 00000001066b2000 CR4: 00000000003506e0 0000000000001 # [ 51.224009] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 51.232016] R13: ffff90e6c1297f10 R14: ffff90e6c1297f10 R15: ffff8afcc298f000 # [ 51.240019] FS: 00007fe25b777580(0000) GS:ffff8afd3bd00000(0000) knlGS:0000000000000000 # [ 51.249082] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.255522] CR2: ffffffff8800a6a0 CR3: 0000000102918000 CR4: 00000000003506e0 # [ 51.263526] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 51.273464] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1552, name: cat # [ 51.281937] INFO: lockdep is turned off. # [ 51.286323] irq event stamp: 0 # [ 51.289748] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 51.296768] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 51.305940] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 51.315101] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 51.322128] CPU: 2 PID: 1552 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 51.330803] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 51.337438] Call Trace: # [ 51.340184] dump_stack+0x77/0x9b # [ 51.343908] ___might_sleep.cold+0xa6/0xb6 # [ 51.348492] exit_signals+0x1c/0x2e0 # [ 51.352496] do_exit+0xc2/0xaf0 # [ 51.356013] ? ksys_write+0x68/0xf0 # [ 51.359929] rewind_stack_do_exit+0x17/0x20 # [ 51.364619] RIP: 0033:0x7fe25b68d833 # [ 51.368623] 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 # [ 51.389646] RSP: 002b:00007ffd2af78038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.398132] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fe25b68d833 # [ 51.406130] RDX: 000000000000000a RSI: 00007fe25b580000 RDI: 0000000000000001 # [ 51.414127] RBP: 00007fe25b580000 R08: 00007fe25b57f010 R09: 0000000000000000 # [ 51.422127] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.430126] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_DATA: saw 'call trace:': ok ok 30 selftests: lkdtm: EXEC_DATA.sh # selftests: lkdtm: EXEC_STACK.sh # Killed # [ 51.767086] lkdtm: Performing direct entry EXEC_STACK # [ 51.773687] lkdtm: attempting ok execution at ffffffff856e4790 # [ 51.780242] lkdtm: attempting bad execution at ffff90e6c202fe18 # [ 51.793137] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 51.801533] BUG: unable to handle page fault for address: ffff90e6c202fe18 # [ 51.809248] #PF: supervisor instruction fetch in kerne[ 52.382682] lkdtm: Performing direct entry EXEC_KMALLOC l mode # [ 51.815597] #PF: error_code(0x0011) - permissions v[ 52.389094] lkdtm: attempting ok execution at ffffffff856e4790 iolation # [ 51.821846] PGD 100000067 P4D 100000067 PUD 10020[ 52.401915] lkdtm: attempting bad execution at ffff8afcc5733440 b067 PMD 103573067 PTE 8000000100805063 # [ 51.830935] Oops: [ 52.414787] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 52.429349] BUG: unable to handle page fault for address: ffff8afcc5733440 [ 52.437044] #PF: supervisor instruction fetch in kernel mode [ 52.443374] #PF: error_code(0x0011) - permissions violation [ 52.449616] PGD 17401067 P4D 17401067 PUD 100860063 PMD 10662f063 PTE 8000000105733063 [ 52.458492] Oops: 0011 [#7] SMP PTI [ 52.462398] CPU: 3 PID: 1624 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 52.471061] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 52.477688] RIP: 0010:0xffff8afcc5733440 [ 52.482079] Code: ff ff 90 37 73 c5 fc 8a ff ff 40 45 59 c5 fc 8a ff ff 00 8c 83 c4 fc 8a ff ff 00 18 19 44 8d f0 ff ff 00 00 46 c6 fc 8a ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 52.503094] RSP: 0018:ffff90e6c20b7e38 EFLAGS: 00010246 [ 52.508936] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 52.516918] RDX: 0000000000000000 RSI: ffff8afd3bd9bf70 RDI: ffff8afd3bd9bf70 [ 52.524901] RBP: ffff8afcc5733440 R08: 0000000000000000 R09: 0000000000000000 [ 52.532886] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 52.540878] R13: ffff90e6c20b7f10 R14: ffff90e6c20b7f10 R15: ffff8afcc4caa000 [ 52.548871] FS: 00007f2b16c5a580(0000) GS:ffff8afd3bd80000(0000) knlGS:0000000000000000 [ 52.557948] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.564390] CR2: ffff8afcc5733440 CR3: 0000000102784000 CR4: 00000000003506e0 [ 52.572384] Call Trace: [ 52.575136] ? execute_location+0x48/0x56 [ 52.579629] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 [ 52.584315] ? direct_entry.cold+0x2c/0x38 [ 52.588902] ? full_proxy_write+0x56/0x80 [ 52.593401] ? vfs_write+0xea/0x3a0 [ 52.597317] ? ksys_write+0x68/0xf0 [ 52.601222] ? do_syscall_64+0x33/0x40 [ 52.605421] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 52.611285] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 52.627284] CR2: ffff8afcc5733440 [ 52.630996] ---[ end trace 9e0e9468693c576a ]--- [ 52.636170] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 52.640557] Code: 89 ff e8 be 67 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 90 62 92 02 [ 52.661592] RSP: 0018:ffff90e6c1297e60 EFLAGS: 00010286 [ 52.667440] RAX: ffffffff856e43c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 52.675429] RDX: 0000000000000000 RSI: ffff8afd3bd9bf70 RDI: ffffffff864d0fb0 [ 52.683429] RBP: ffffffff8690fba8 R08: 0000000000000001 R09: 0000000000000001 [ 52.691433] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 52.699437] R13: ffff90e6c1297f10 R14: ffff90e6c1297f10 R15: ffff8afcc298f000 [ 52.707439] FS: 00007f2b16c5a580(0000) GS:ffff8afd3bd80000(0000) knlGS:0000000000000000 [ 52.716516] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.722955] CR2: ffff8afcc5733440 CR3: 0000000102784000 CR4: 00000000003506e0 [ 52.730954] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 52.740906] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1624, name: cat [ 52.749387] INFO: lockdep is turned off. [ 52.753779] irq event stamp: 0 [ 52.757196] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 52.764228] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 52.773391] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 52.782567] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 52.789597] CPU: 3 PID: 1624 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 52.798282] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 52.804922] Call Trace: [ 52.807673] dump_stack+0x77/0x9b [ 52.811399] ___might_sleep.cold+0xa6/0xb6 [ 52.815997] exit_signals+0x1c/0x2e0 [ 52.820007] do_exit+0xc2/0xaf0 [ 52.823521] ? ksys_write+0x68/0xf0 [ 52.827440] rewind_stack_do_exit+0x17/0x20 [ 52.832127] RIP: 0033:0x7f2b16b70833 [ 52.836125] 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 [ 52.857160] RSP: 002b:00007fffffe6ad28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.865637] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f2b16b70833 [ 52.873633] RDX: 000000000000000d RSI: 00007f2b16a63000 RDI: 0000000000000001 [ 52.881624] RBP: 00007f2b16a63000 R08: 00007f2b16a62010 R09: 0000000000000000 [ 52.889623] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 52.897608] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0011 [#6] SMP PTI # [ 51.834849] CPU: 2 PID: 1588 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 51.843529] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 51.850167] RIP: 0010:0xffff90e6c202fe18 # [ 51.854565] Code: 00 00 18 fe 02 c2 e6 90 ff ff 20 69 d4 85 ff ff ff ff 20 00 00 00 00 00 00 00 6e 45 8b 86 ff ff ff ff 4c 6a d4 85 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 # [ 51.875604] RSP: 0018:ffff90e6c202fdf8 EFLAGS: 00010246 # [ 51.881463] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 51.889466] RDX: 0000000000000000 RSI: ffff8afd3bd1bf70 RDI: ffff8afd3bd1bf70 # [ 51.897469] RBP: ffff90e6c202fe18 R08: 0000000000000000 R09: 0000000000000000 # [ 51.905457] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 51.913446] R13: ffff90e6c202ff10 R14: ffff90e6c202ff10 R15: ffff8afcc644b000 # [ 51.921440] FS: 00007fd3dfd83580(0000) GS:ffff8afd3bd00000(0000) knlGS:0000000000000000 # [ 51.930494] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.936926] CR2: ffff90e6c202fe18 CR3: 00000001066b2000 CR4: 00000000003506e0 # [ 51.944913] Call Trace: # [ 51.947659] ? execute_location+0x48/0x56 # [ 51.952149] ? lkdtm_EXEC_STACK+0x26/0x44 # [ 51.956634] ? direct_entry.cold+0x2c/0x38 # [ 51.961220] ? full_proxy_write+0x56/0x80 # [ 51.965710] ? vfs_write+0xea/0x3a0 # [ 51.969614] ? ksys_write+0x68/0xf0 # [ 51.973518] ? do_syscall_64+0x33/0x40 # [ 51.977710] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 51.983566] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 51.999568] CR2: ffff90e6c202fe18 # [ 52.003277] ---[ end trace 9e0e9468693c5769 ]--- # [ 52.008438] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 52.019063] Code: 89 ff e8 be 67 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 90 62 92 02 # [ 52.040110] RSP: 0018:ffff90e6c1297e60 EFLAGS: 00010286 # [ 52.045968] RAX: ffffffff856e43c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 52.053970] RDX: 0000000000000000 RSI: ffff8afd3bd9bf70 RDI: ffffffff864d0fb0 # [ 52.061962] RBP: ffffffff8690fba8 R08: 0000000000000001 R09: 0000000000000001 # [ 52.069956] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 52.077944] R13: ffff90e6c1297f10 R14: ffff90e6c1297f10 R15: ffff8afcc298f000 # [ 52.085936] FS: 00007fd3dfd83580(0000) GS:ffff8afd3bd00000(0000) knlGS:0000000000000000 # [ 52.094994] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.101435] CR2: ffff90e6c202fe18 CR3: 00000001066b2000 CR4: 00000000003506e0 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 52.382682] lkdtm: Performing direct [ 53.193959] lkdtm: Performing direct entry EXEC_VMALLOC entry EXEC_KMALLOC # [ 52.389094] lkdtm: attempting ok execut[ 53.204178] lkdtm: attempting ok execution at ffffffff856e4790 ion at ffffffff856e4790 # [ 52.401915] lkdtm: attempting bad [ 53.216959] lkdtm: attempting bad execution at ffff90e6c057b000 execution at ffff8afcc5733440 # [ 52.414787] kernel tried to [ 53.229862] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 53.244381] BUG: unable to handle page fault for address: ffff90e6c057b000 [ 53.252090] #PF: supervisor instruction fetch in kernel mode [ 53.258434] #PF: error_code(0x0011) - permissions violation [ 53.264685] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 1026ed067 PTE 8000000103950063 [ 53.273781] Oops: 0011 [#8] SMP PTI [ 53.277696] CPU: 3 PID: 1660 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 53.286374] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 53.293017] RIP: 0010:0xffff90e6c057b000 [ 53.297406] Code: Unable to access opcode bytes at RIP 0xffff90e6c057afd6. [ 53.305108] RSP: 0018:ffff90e6c2157e38 EFLAGS: 00010246 [ 53.310958] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 53.318947] RDX: 0000000000000000 RSI: ffff8afd3bd9bf70 RDI: ffff8afd3bd9bf70 [ 53.326948] RBP: ffff90e6c057b000 R08: 0000000000000000 R09: 0000000000000000 [ 53.334940] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 53.342914] R13: ffff90e6c2157f10 R14: ffff90e6c2157f10 R15: ffff8afcc3950000 [ 53.350896] FS: 00007f8da8812580(0000) GS:ffff8afd3bd80000(0000) knlGS:0000000000000000 [ 53.359961] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.366389] CR2: ffff90e6c057afd6 CR3: 0000000104ec0000 CR4: 00000000003506e0 [ 53.374369] Call Trace: [ 53.377112] ? execute_location+0x48/0x56 [ 53.381600] ? lkdtm_EXEC_VMALLOC+0x20/0x30 [ 53.386280] ? direct_entry.cold+0x2c/0x38 [ 53.390862] ? full_proxy_write+0x56/0x80 [ 53.395351] ? vfs_write+0xea/0x3a0 [ 53.399261] ? ksys_write+0x68/0xf0 [ 53.403162] ? do_syscall_64+0x33/0x40 [ 53.407359] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 53.413216] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 53.429197] CR2: ffff90e6c057b000 [ 53.432904] ---[ end trace 9e0e9468693c576b ]--- [ 53.438081] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 53.442471] Code: 89 ff e8 be 67 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 90 62 92 02 [ 53.463476] RSP: 0018:ffff90e6c1297e60 EFLAGS: 00010286 [ 53.469314] RAX: ffffffff856e43c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 53.477292] RDX: 0000000000000000 RSI: ffff8afd3bd9bf70 RDI: ffffffff864d0fb0 [ 53.485273] RBP: ffffffff8690fba8 R08: 0000000000000001 R09: 0000000000000001 [ 53.493271] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 53.501266] R13: ffff90e6c1297f10 R14: ffff90e6c1297f10 R15: ffff8afcc298f000 [ 53.509258] FS: 00007f8da8812580(0000) GS:ffff8afd3bd80000(0000) knlGS:0000000000000000 [ 53.518312] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.524737] CR2: ffff90e6c057afd6 CR3: 0000000104ec0000 CR4: 00000000003506e0 [ 53.532712] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 53.542640] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1660, name: cat [ 53.551113] INFO: lockdep is turned off. [ 53.555501] irq event stamp: 0 [ 53.558916] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 53.565935] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 53.575081] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 53.584227] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 53.591234] CPU: 3 PID: 1660 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 53.599893] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 53.606513] Call Trace: [ 53.609253] dump_stack+0x77/0x9b [ 53.612966] ___might_sleep.cold+0xa6/0xb6 [ 53.617547] exit_signals+0x1c/0x2e0 [ 53.621534] do_exit+0xc2/0xaf0 [ 53.625045] ? ksys_write+0x68/0xf0 [ 53.628946] rewind_stack_do_exit+0x17/0x20 [ 53.633622] RIP: 0033:0x7f8da8728833 [ 53.637622] 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 [ 53.658634] RSP: 002b:00007fff25c0ed68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 53.667104] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f8da8728833 [ 53.675079] RDX: 000000000000000d RSI: 00007f8da861b000 RDI: 0000000000000001 [ 53.683059] RBP: 00007f8da861b000 R08: 00007f8da861a010 R09: 0000000000000000 [ 53.691033] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 53.699008] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 execute NX-protected page - exploit attempt? (uid: 0) # [ 52.429349] BUG: unable to handle page fault for address: ffff8afcc5733440 # [ 52.437044] #PF: supervisor instruction fetch in kernel mode # [ 52.443374] #PF: error_code(0x0011) - permissions violation # [ 52.449616] PGD 17401067 P4D 17401067 PUD 100860063 PMD 10662f063 PTE 8000000105733063 # [ 52.458492] Oops: 0011 [#7] SMP PTI # [ 52.462398] CPU: 3 PID: 1624 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 52.471061] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 52.477688] RIP: 0010:0xffff8afcc5733440 # [ 52.482079] Code: ff ff 90 37 73 c5 fc 8a ff ff 40 45 59 c5 fc 8a ff ff 00 8c 83 c4 fc 8a ff ff 00 18 19 44 8d f0 ff ff 00 00 46 c6 fc 8a ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 52.503094] RSP: 0018:ffff90e6c20b7e38 EFLAGS: 00010246 # [ 52.508936] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 52.516918] RDX: 0000000000000000 RSI: ffff8afd3bd9bf70 RDI: ffff8afd3bd9bf70 # [ 52.524901] RBP: ffff8afcc5733440 R08: 0000000000000000 R09: 0000000000000000 # [ 52.532886] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 52.540878] R13: ffff90e6c20b7f10 R14: ffff90e6c20b7f10 R15: ffff8afcc4caa000 # [ 52.548871] FS: 00007f2b16c5a580(0000) GS:ffff8afd3bd80000(0000) knlGS:0000000000000000 # [ 52.557948] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.564390] CR2: ffff8afcc5733440 CR3: 0000000102784000 CR4: 00000000003506e0 # [ 52.572384] Call Trace: # [ 52.575136] ? execute_location+0x48/0x56 # [ 52.579629] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 52.584315] ? direct_entry.cold+0x2c/0x38 # [ 52.588902] ? full_proxy_write+0x56/0x80 # [ 52.593401] ? vfs_write+0xea/0x3a0 # [ 52.597317] ? ksys_write+0x68/0xf0 # [ 52.601222] ? do_syscall_64+0x33/0x40 # [ 52.605421] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 52.611285] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 52.627284] CR2: ffff8afcc5733440 # [ 52.630996] ---[ end trace 9e0e9468693c576a ]--- # [ 52.636170] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 52.640557] Code: 89 ff e8 be 67 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 90 62 92 02 # [ 52.661592] RSP: 0018:ffff90e6c1297e60 EFLAGS: 00010286 # [ 52.667440] RAX: ffffffff856e43c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 52.675429] RDX: 0000000000000000 RSI: ffff8afd3bd9bf70 RDI: ffffffff864d0fb0 # [ 52.683429] RBP: ffffffff8690fba8 R08: 0000000000000001 R09: 0000000000000001 # [ 52.691433] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 52.699437] R13: ffff90e6c1297f10 R14: ffff90e6c1297f10 R15: ffff8afcc298f000 # [ 52.707439] FS: 00007f2b16c5a580(0000) GS:ffff8afd3bd80000(0000) knlGS:0000000000000000 # [ 52.716516] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.722955] CR2: ffff8afcc5733440 CR3: 0000000102784000 CR4: 00000000003506e0 # [ 52.730954] BUG: sleeping fun[ 54.023176] lkdtm: Performing direct entry EXEC_RODATA ction called from invalid context at include/linux/percpu-rwsem.[ 54.030607] lkdtm: attempting ok execution at ffffffff856e4790 h:49 # [ 52.740906] in_atomic(): 0, irqs_disabled(): 1, non_b[ 54.043393] lkdtm: attempting bad execution at ffffffff864d1440 lock: 0, pid: 1624, name: cat # [ 52.749387] INFO: lockdep is[ 54.056372] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 54.070838] BUG: unable to handle page fault for address: ffffffff864d1440 [ 54.078546] #PF: supervisor instruction fetch in kernel mode [ 54.084883] #PF: error_code(0x0011) - permissions violation [ 54.091115] PGD 15c29067 P4D 15c29067 PUD 15c2a063 PMD 80000000156001e1 [ 54.098631] Oops: 0011 [#9] SMP PTI [ 54.102534] CPU: 3 PID: 1696 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 54.111197] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 54.117829] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 [ 54.123575] Code: ff ff bc 7e d4 85 ff ff ff ff ba 47 8b 86 ff ff ff ff 02 66 d4 85 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 [ 54.144614] RSP: 0018:ffff90e6c21c7e48 EFLAGS: 00010246 [ 54.150478] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 54.158476] RDX: 0000000000000000 RSI: ffff8afd3bd9bf70 RDI: ffff8afd3bd9bf70 [ 54.166461] RBP: ffffffff864d1440 R08: 0000000000000000 R09: 0000000000000000 [ 54.174453] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 54.182432] R13: ffff90e6c21c7f10 R14: ffff90e6c21c7f10 R15: ffff8afcc55be000 [ 54.190410] FS: 00007f4bdc1d0580(0000) GS:ffff8afd3bd80000(0000) knlGS:0000000000000000 [ 54.199459] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.205883] CR2: ffffffff864d1440 CR3: 0000000104f10000 CR4: 00000000003506e0 [ 54.213866] Call Trace: [ 54.216610] ? execute_location+0x48/0x56 [ 54.221100] ? direct_entry.cold+0x2c/0x38 [ 54.225690] ? full_proxy_write+0x56/0x80 [ 54.230182] ? vfs_write+0xea/0x3a0 [ 54.234088] ? ksys_write+0x68/0xf0 [ 54.237990] ? do_syscall_64+0x33/0x40 [ 54.242184] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 54.248043] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 54.264022] CR2: ffffffff864d1440 [ 54.267728] ---[ end trace 9e0e9468693c576c ]--- [ 54.272883] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 54.277270] Code: 89 ff e8 be 67 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 90 62 92 02 [ 54.298288] RSP: 0018:ffff90e6c1297e60 EFLAGS: 00010286 [ 54.304129] RAX: ffffffff856e43c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.312108] RDX: 0000000000000000 RSI: ffff8afd3bd9bf70 RDI: ffffffff864d0fb0 [ 54.320088] RBP: ffffffff8690fba8 R08: 0000000000000001 R09: 0000000000000001 [ 54.328063] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 54.336041] R13: ffff90e6c1297f10 R14: ffff90e6c1297f10 R15: ffff8afcc298f000 [ 54.344025] FS: 00007f4bdc1d0580(0000) GS:ffff8afd3bd80000(0000) knlGS:0000000000000000 [ 54.353072] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.359499] CR2: ffffffff864d1440 CR3: 0000000104f10000 CR4: 00000000003506e0 turned off. # [ 52.753779] irq event stamp: 0 # [ 52.757196] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 52.764228] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 52.773391] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 52.782567] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 52.789597] CPU: 3 PID: 1624 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 52.798282] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 52.804922] Call Trace: # [ 52.807673] dump_stack+0x77/0x9b # [ 52.811399] ___might_sleep.cold+0xa6/0xb6 # [ 52.815997] exit_signals+0x1c/0x2e0 # [ 52.820007] do_exit+0xc2/0xaf0 # [ 52.823521] ? ksys_write+0x68/0xf0 # [ 52.827440] rewind_stack_do_exit+0x17/0x20 # [ 52.832127] RIP: 0033:0x7f2b16b70833 # [ 52.836125] 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 # [ 52.857160] RSP: 002b:00007fffffe6ad28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.865637] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f2b16b70833 # [ 52.873633] RDX: 000000000000000d RSI: 00007f2b16a63000 RDI: 0000000000000001 # [ 52.881624] RBP: 00007f2b16a63000 R08: 00007f2b16a62010 R09: 0000000000000000 # [ 52.889623] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 52.897608] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_KMALLOC: saw 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # selftests: lkdtm: EXEC_VMALLOC.sh # Killed # [ 53.193959] lkdtm: Performing direct entry EXEC_VMALLOC # [ 53.204178] lkdtm: attempting ok execution at ffffffff856e4790 # [ 53.216959] lkdtm: attempting bad execution at ffff90e6c057b000 # [ 53.229862] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 53.244381] BUG: unable to handle page fault for address: ffff90e6c057b000 # [ 53.252090] #PF: supervisor instruction fetch in kernel mode # [ 53.258434] #PF: error_code(0x0011) - permissions violation # [ 53.264685] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 1026ed067 PTE 8000000103950063 # [ 53.273781] Oops: 0011 [#8] SMP PTI # [ 53.277696] CPU: 3 PID: 1660 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 53.286374] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 53.293017] RIP: 0010:0xffff90e6c057b000 # [ 53.297406] Code: Unable to access opcode bytes at RIP 0xffff90e6c057afd6. # [ 53.305108] RSP: 0018:ffff90e6c2157e38 EFLAGS: 00010246 # [ 53.310958] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 53.318947] RDX: 0000000000000000 RSI: ffff8afd3bd9bf70 RDI: ffff8afd3bd9bf70 # [ 53.326948] RBP: ffff90e6c057b000 R08: 0000000000000000 R09: 0000000000000000 # [ 53.334940] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 53.342914] R13: ffff90e6c2157f10 R14: ffff90e6c2157f10 R15: ffff8afcc3950000 # [ 53.350896] FS: 00007f8da8812580(0000) GS:ffff8afd3bd80000(0000) knlGS:0000000000000000 # [ 53.359961] [ 54.681675] lkdtm: Performing direct entry EXEC_USERSPACE CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.3663[ 54.691036] lkdtm: attempting ok execution at ffffffff856e4790 89] CR2: ffff90e6c057afd6 CR3: 0000000104ec0000 CR4: 00000000003[ 54.703810] lkdtm: attempting bad execution at 00007f477d854000 506e0 # [ 53.374369] Call Trace: # [ 53.377112] ? execute[ 54.716709] unable to execute userspace code (SMEP?) (uid: 0) [ 54.729313] BUG: unable to handle page fault for address: 00007f477d854000 _location+0x48/0x56 # [ 53.381600] ? lkdtm_EXEC_VMALLOC+0x20[ 54.737001] #PF: supervisor instruction fetch in kernel mode [ 54.749541] #PF: error_code(0x0011) - permissions violation /0x30 # [ 53.386280] ? direct_entry.cold+0x2c/0x38 # [ 53[ 54.755780] PGD 80000001028a4067 P4D 80000001028a4067 PUD 1029d4067 PMD 1041ae067 PTE 10ad38067 [ 54.771756] Oops: 0011 [#10] SMP PTI [ 54.775763] CPU: 0 PID: 1732 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 54.784432] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 54.791062] RIP: 0010:0x7f477d854000 [ 54.795063] Code: Unable to access opcode bytes at RIP 0x7f477d853fd6. [ 54.802367] RSP: 0018:ffff90e6c2247e50 EFLAGS: 00010246 [ 54.808220] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 [ 54.816211] RDX: 0000000000000000 RSI: ffff8afd3bc1bf70 RDI: ffff8afd3bc1bf70 [ 54.824203] RBP: 00007f477d854000 R08: 0000000000000000 R09: 0000000000000000 [ 54.832192] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f [ 54.840179] R13: ffff90e6c2247f10 R14: ffff90e6c2247f10 R15: ffff8afcc32e1000 [ 54.848165] FS: 00007f477d825580(0000) GS:ffff8afd3bc00000(0000) knlGS:0000000000000000 [ 54.857221] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.863659] CR2: 00007f477d854000 CR3: 0000000104cae000 CR4: 00000000003506f0 [ 54.871647] Call Trace: [ 54.874397] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae [ 54.879759] ? direct_entry.cold+0x2c/0x38 [ 54.884340] ? full_proxy_write+0x56/0x80 [ 54.888827] ? vfs_write+0xea/0x3a0 [ 54.892730] ? ksys_write+0x68/0xf0 [ 54.896638] ? do_syscall_64+0x33/0x40 [ 54.900837] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 54.906710] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 54.922716] CR2: 00007f477d854000 [ 54.926432] ---[ end trace 9e0e9468693c576d ]--- [ 54.931597] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 54.935990] Code: 89 ff e8 be 67 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 90 62 92 02 [ 54.957003] RSP: 0018:ffff90e6c1297e60 EFLAGS: 00010286 [ 54.962849] RAX: ffffffff856e43c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.970825] RDX: 0000000000000000 RSI: ffff8afd3bd9bf70 RDI: ffffffff864d0fb0 [ 54.978806] RBP: ffffffff8690fba8 R08: 0000000000000001 R09: 0000000000000001 [ 54.986800] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 54.994788] R13: ffff90e6c1297f10 R14: ffff90e6c1297f10 R15: ffff8afcc298f000 [ 55.002779] FS: 00007f477d825580(0000) GS:ffff8afd3bc00000(0000) knlGS:0000000000000000 [ 55.011822] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.018249] CR2: 00007f477d854000 CR3: 0000000104cae000 CR4: 00000000003506f0 [ 55.026238] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 55.036185] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1732, name: cat [ 55.044666] INFO: lockdep is turned off. [ 55.049058] irq event stamp: 0 [ 55.052482] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 55.059498] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 55.068658] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 55.077826] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 55.084856] CPU: 0 PID: 1732 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 55.093538] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 55.100175] Call Trace: [ 55.102926] dump_stack+0x77/0x9b [ 55.106654] ___might_sleep.cold+0xa6/0xb6 [ 55.111252] exit_signals+0x1c/0x2e0 [ 55.115257] do_exit+0xc2/0xaf0 [ 55.118783] ? ksys_write+0x68/0xf0 [ 55.122701] rewind_stack_do_exit+0x17/0x20 [ 55.127393] RIP: 0033:0x7f477d73b833 [ 55.131404] 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 [ 55.152463] RSP: 002b:00007ffd7cc99948 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.160959] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007f477d73b833 [ 55.168958] RDX: 000000000000000f RSI: 00007f477d62e000 RDI: 0000000000000001 [ 55.176954] RBP: 00007f477d62e000 R08: 00007f477d62d010 R09: 0000000000000000 [ 55.184948] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 55.192950] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 .390862] ? full_proxy_write+0x56/0x80 # [ 53.395351] ? vfs_write+0xea/0x3a0 # [ 53.399261] ? ksys_write+0x68/0xf0 # [ 53.403162] ? do_syscall_64+0x33/0x40 # [ 53.407359] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 53.413216] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 53.429197] CR2: ffff90e6c057b000 # [ 53.432904] ---[ end trace 9e0e9468693c576b ]--- # [ 53.438081] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 53.442471] Code: 89 ff e8 be 67 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 90 62 92 02 # [ 53.463476] RSP: 0018:ffff90e6c1297e60 EFLAGS: 00010286 # [ 53.469314] RAX: ffffffff856e43c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 53.477292] RDX: 0000000000000000 RSI: ffff8afd3bd9bf70 RDI: ffffffff864d0fb0 # [ 53.485273] RBP: ffffffff8690fba8 R08: 0000000000000001 R09: 0000000000000001 # [ 53.493271] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 53.501266] R13: ffff90e6c1297f10 R14: ffff90e6c1297f10 R15: ffff8afcc298f000 # [ 53.509258] FS: 00007f8da8812580(0000) GS:ffff8afd3bd80000(0000) knlGS:0000000000000000 # [ 53.518312] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.524737] CR2: ffff90e6c057afd6 CR3: 0000000104ec0000 CR4: 00000000003506e0 # [ 53.532712] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 53.542640] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1660, name: cat # [ 53.551113] INFO: lockdep is turned off. # [ 53.555501] irq event stamp: 0 # [ 53.558916] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 53.565935] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 53.575081] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 53.584227] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 53.591234] CPU: 3 PID: 1660 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 53.599893] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 53.606513] Call Trace: # [ 53.609253] dump_stack+0x77/0x9b # [ 53.612966] ___might_sleep.cold+0xa6/0xb6 # [ 53.617547] exit_signals+0x1c/0x2e0 # [ 53.621534] do_exit+0xc2/0xaf0 # [ 53.625045] ? ksys_write+0x68/0xf0 # [ 53.628946] rewind_stack_do_exit+0x17/0x20 # [ 53.633622] RIP: 0033:0x7f8da8728833 # [ 53.637622] 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 # [ 53.658634] RSP: 002b:00007fff25c0ed68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 53.667104] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f8da8728833 # [ 53.675079] R[ 55.489262] lkdtm: Performing direct entry EXEC_NULL DX: 000000000000000d RSI: 00007f8da861b000 RDI: 0000000000000001[ 55.499498] lkdtm: attempting ok execution at ffffffff856e4790 # [ 53.683059] RBP: 00007f8da861b000 R08: 00007f8da861a010 R[ 55.512302] lkdtm: attempting bad execution at 0000000000000000 09: 0000000000000000 # [ 53.691033] R10: fffffffffffffbc5 R11[ 55.525229] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 55.539198] #PF: supervisor instruction fetch in kernel mode [ 55.545544] #PF: error_code(0x0010) - not-present page [ 55.551306] PGD 0 P4D 0 [ 55.554154] Oops: 0010 [#11] SMP PTI [ 55.558156] CPU: 3 PID: 1768 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 55.566823] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 55.573463] RIP: 0010:0x0 [ 55.576403] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 55.584115] RSP: 0018:ffff90e6c22cfe48 EFLAGS: 00010246 [ 55.589974] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 55.597973] RDX: 0000000000000000 RSI: ffff8afd3bd9bf70 RDI: ffff8afd3bd9bf70 [ 55.605965] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 55.613956] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 55.621943] R13: ffff90e6c22cff10 R14: ffff90e6c22cff10 R15: ffff8afcc371d000 [ 55.629932] FS: 00007f0d55791580(0000) GS:ffff8afd3bd80000(0000) knlGS:0000000000000000 [ 55.638978] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.645403] CR2: ffffffffffffffd6 CR3: 0000000102710000 CR4: 00000000003506e0 [ 55.653397] Call Trace: [ 55.656141] execute_location+0x48/0x56 [ 55.660440] direct_entry.cold+0x2c/0x38 [ 55.664835] full_proxy_write+0x56/0x80 [ 55.669130] vfs_write+0xea/0x3a0 [ 55.672837] ksys_write+0x68/0xf0 [ 55.676543] do_syscall_64+0x33/0x40 [ 55.680543] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 55.686195] RIP: 0033:0x7f0d556a7833 [ 55.690197] 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 [ 55.711220] RSP: 002b:00007ffe67734ff8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.719704] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f0d556a7833 [ 55.727696] RDX: 000000000000000a RSI: 00007f0d5559a000 RDI: 0000000000000001 [ 55.735678] RBP: 00007f0d5559a000 R08: 00007f0d55599010 R09: 0000000000000000 [ 55.743662] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 55.751636] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 55.759630] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 55.775616] CR2: 0000000000000000 [ 55.779322] ---[ end trace 9e0e9468693c576e ]--- [ 55.784485] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 55.788881] Code: 89 ff e8 be 67 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 90 62 92 02 [ 55.809902] RSP: 0018:ffff90e6c1297e60 EFLAGS: 00010286 [ 55.815749] RAX: ffffffff856e43c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.823733] RDX: 0000000000000000 RSI: ffff8afd3bd9bf70 RDI: ffffffff864d0fb0 [ 55.831712] RBP: ffffffff8690fba8 R08: 0000000000000001 R09: 0000000000000001 [ 55.839691] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 55.847686] R13: ffff90e6c1297f10 R14: ffff90e6c1297f10 R15: ffff8afcc298f000 [ 55.855676] FS: 00007f0d55791580(0000) GS:ffff8afd3bd80000(0000) knlGS:0000000000000000 [ 55.864738] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.871168] CR2: ffffffffffffffd6 CR3: 0000000102710000 CR4: 00000000003506e0 : 0000000000000246 R12: 0000000000000001 # [ 53.699008] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh # Killed # [ 54.023176] lkdtm: Performing direct entry EXEC_RODATA # [ 54.030607] lkdtm: attempting ok execution at ffffffff856e4790 # [ 54.043393] lkdtm: attempting bad execution at ffffffff864d1440 # [ 54.056372] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 54.070838] BUG: unable to handle page fault for address: ffffffff864d1440 # [ 54.078546] #PF: supervisor instruction fetch in kernel mode # [ 54.084883] #PF: error_code(0x0011) - permissions violation # [ 54.091115] PGD 15c29067 P4D 15c29067 PUD 15c2a063 PMD 80000000156001e1 # [ 54.098631] Oops: 0011 [#9] SMP PTI # [ 54.102534] CPU: 3 PID: 1696 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 54.111197] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 54.117829] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 54.123575] Code: ff ff bc 7e d4 85 ff ff ff ff ba 47 8b 86 ff ff ff ff 02 66 d4 85 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 # [ 54.144614] RSP: 0018:ffff90e6c21c7e48 EFLAGS: 00010246 # [ 54.150478] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 54.158476] RDX: 0000000000000000 RSI: ffff8afd3bd9bf70 RDI: ffff8afd3bd9bf70 # [ 54.166461] RBP: ffffffff864d1440 R08: 0000000000000000 R09: 0000000000000000 # [ 54.174453] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 54.182432] R13: ffff90e6c21c7f10 R14: ffff90e6c21c7f10 R15: ffff8afcc55be000 # [ 54.190410] FS: 00007f4bdc1d0580(0000) GS:ffff8afd3bd80000(0000) knlGS:0000000000000000 # [ 54.199459] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.205883] CR2: ffffffff864d1440 CR3: 0000000104f10000 CR4: 00000000003506e0 # [ 54.213866] Call Trace: # [ 54.216610] ? execute_location+0x48/0x56 # [ 54.221100] ? direct_entry.cold+0x2c/0x38 # [ 54.225690] ? full_proxy_write+0x56/0x80 # [ 54.230182] ? vfs_write+0xea/0x3a0 # [ 54.234088] ? ksys_write+0x68/0xf0 # [ 54.237990] ? do_syscall_64+0x33/0x40 # [ 54.242184] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 54.248043] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 54.264022] CR2: ffffffff864d1440 # [ 54.267728] ---[ end trace 9e0e9468693c576c ]--- # [ 54.272883] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 54.277270] Code: 89 ff e8 be 67 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 90 62 92 02 # [ 54[ 56.162254] lkdtm: Performing direct entry ACCESS_USERSPACE .298288] RSP: 0018:ffff90e6c1297e60 EFLAGS: 00010286 # [ 54.3[ 56.172157] lkdtm: attempting bad read at 00007f28219f8000 04129] RAX: ffffffff856e43c0 RBX: 0000000000000001 RCX: 00000000[ 56.184532] BUG: unable to handle page fault for address: 00007f28219f8000 [ 56.198397] #PF: supervisor read access in kernel mode [ 56.204156] #PF: error_code(0x0001) - permissions violation [ 56.210397] PGD 8000000104eb8067 P4D 8000000104eb8067 PUD 102af3067 PMD 10657a067 PTE 10a62d067 [ 56.220155] Oops: 0001 [#12] SMP PTI [ 56.224164] CPU: 3 PID: 1803 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 56.232820] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 56.239460] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 [ 56.245705] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 d8 54 8b 86 e8 58 96 fd ff 48 c7 c7 00 55 8b 86 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 3f 96 fd ff 48 89 ee 48 c7 c7 28 55 8b [ 56.266715] RSP: 0018:ffff90e6c2357e48 EFLAGS: 00010246 [ 56.272560] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 [ 56.280546] RDX: 0000000000000000 RSI: ffff8afd3bd9bf70 RDI: ffffffff868b5500 [ 56.288529] RBP: 00007f28219f8000 R08: 0000000000000000 R09: 0000000000000000 [ 56.296523] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 [ 56.304517] R13: ffff90e6c2357f10 R14: ffff90e6c2357f10 R15: ffff8afcc42d1000 [ 56.312499] FS: 00007f28219c9580(0000) GS:ffff8afd3bd80000(0000) knlGS:0000000000000000 [ 56.321554] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.327987] CR2: 00007f28219f8000 CR3: 000000010320a000 CR4: 00000000003506e0 [ 56.335982] Call Trace: [ 56.338734] direct_entry.cold+0x2c/0x38 [ 56.343128] full_proxy_write+0x56/0x80 [ 56.347429] vfs_write+0xea/0x3a0 [ 56.351141] ksys_write+0x68/0xf0 [ 56.354855] do_syscall_64+0x33/0x40 [ 56.358855] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 56.364511] RIP: 0033:0x7f28218df833 [ 56.368512] 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 [ 56.389512] RSP: 002b:00007ffd9f263398 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.397984] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f28218df833 [ 56.405967] RDX: 0000000000000011 RSI: 00007f28217d2000 RDI: 0000000000000001 [ 56.413947] RBP: 00007f28217d2000 R08: 00007f28217d1010 R09: 0000000000000000 [ 56.421924] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 56.429911] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 56.437925] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 56.453947] CR2: 00007f28219f8000 [ 56.457663] ---[ end trace 9e0e9468693c576f ]--- [ 56.462826] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 56.467213] Code: 89 ff e8 be 67 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 90 62 92 02 [ 56.488239] RSP: 0018:ffff90e6c1297e60 EFLAGS: 00010286 [ 56.494097] RAX: ffffffff856e43c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 56.502091] RDX: 0000000000000000 RSI: ffff8afd3bd9bf70 RDI: ffffffff864d0fb0 [ 56.510094] RBP: ffffffff8690fba8 R08: 0000000000000001 R09: 0000000000000001 [ 56.518092] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 56.526077] R13: ffff90e6c1297f10 R14: ffff90e6c1297f10 R15: ffff8afcc298f000 [ 56.534061] FS: 00007f28219c9580(0000) GS:ffff8afd3bd80000(0000) knlGS:0000000000000000 [ 56.543120] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.549554] CR2: 00007f28219f8000 CR3: 000000010320a000 CR4: 00000000003506e0 [ 56.557543] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 56.567476] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1803, name: cat [ 56.575962] INFO: lockdep is turned off. [ 56.580349] irq event stamp: 0 [ 56.583769] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 56.590795] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 56.599954] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 56.609100] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 56.616113] CPU: 3 PID: 1803 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 56.624774] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 56.631398] Call Trace: [ 56.634142] dump_stack+0x77/0x9b [ 56.637864] ___might_sleep.cold+0xa6/0xb6 [ 56.642452] exit_signals+0x1c/0x2e0 [ 56.646443] do_exit+0xc2/0xaf0 [ 56.649959] ? ksys_write+0x68/0xf0 [ 56.653867] rewind_stack_do_exit+0x17/0x20 [ 56.658554] RIP: 0033:0x7f28218df833 [ 56.662558] 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 [ 56.683601] RSP: 002b:00007ffd9f263398 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.692067] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f28218df833 [ 56.700062] RDX: 0000000000000011 RSI: 00007f28217d2000 RDI: 0000000000000001 [ 56.708057] RBP: 00007f28217d2000 R08: 00007f28217d1010 R09: 0000000000000000 [ 56.716044] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 56.724038] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00000000 # [ 54.312108] RDX: 0000000000000000 RSI: ffff8afd3bd9bf70 RDI: ffffffff864d0fb0 # [ 54.320088] RBP: ffffffff8690fba8 R08: 0000000000000001 R09: 0000000000000001 # [ 54.328063] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 54.336041] R13: ffff90e6c1297f10 R14: ffff90e6c1297f10 R15: ffff8afcc298f000 # [ 54.344025] FS: 00007f4bdc1d0580(0000) GS:ffff8afd3bd80000(0000) knlGS:0000000000000000 # [ 54.353072] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.359499] CR2: ffffffff864d1440 CR3: 0000000104f10000 CR4: 00000000003506e0 # EXEC_RODATA: saw 'call trace:': ok ok 34 selftests: lkdtm: EXEC_RODATA.sh # selftests: lkdtm: EXEC_USERSPACE.sh # Killed # [ 54.681675] lkdtm: Performing direct entry EXEC_USERSPACE # [ 54.691036] lkdtm: attempting ok execution at ffffffff856e4790 # [ 54.703810] lkdtm: attempting bad execution at 00007f477d854000 # [ 54.716709] unable to execute userspace code (SMEP?) (uid: 0) # [ 54.729313] BUG: unable to handle page fault for address: 00007f477d854000 # [ 54.737001] #PF: supervisor instruction fetch in kernel mode # [ 54.749541] #PF: error_code(0x0011) - permissions violation # [ 54.755780] PGD 80000001028a4067 P4D 80000001028a4067 PUD 1029d4067 PMD 1041ae067 PTE 10ad38067 # [ 54.771756] Oops: 0011 [#10] SMP PTI # [ 54.775763] CPU: 0 PID: 1732 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 54.784432] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 54.791062] RIP: 0010:0x7f477d854000 # [ 54.795063] Code: Unable to access opcode bytes at RIP 0x7f477d853fd6. # [ 54.802367] RSP: 0018:ffff90e6c2247e50 EFLAGS: 00010246 # [ 54.808220] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 # [ 54.816211] RDX: 0000000000000000 RSI: ffff8afd3bc1bf70 RDI: ffff8afd3bc1bf70 # [ 54.824203] RBP: 00007f477d854000 R08: 0000000000000000 R09: 0000000000000000 # [ 54.832192] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f # [ 54.840179] R13: ffff90e6c2247f10 R14: ffff90e6c2247f10 R15: ffff8afcc32e1000 # [ 54.848165] FS: 00007f477d825580(0000) GS:ffff8afd3bc00000(0000) knlGS:0000000000000000 # [ 54.857221] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.863659] CR2: 00007f477d854000 CR3: 0000000104cae000 CR4: 00000000003506f0 # [ 54.871647] Call Trace: # [ 54.874397] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae # [ 54.879759] ? direct_entry.cold+0x2c/0x38 # [ 54.884340] ? full_proxy_write+0x56/0x80 # [ 54.888827] ? vfs_write+0xea/0x3a0 # [ 54.892730] ? ksys_write+0x68/0xf0 # [ 54.896638] ? do_syscall_64+0x33/0x40 # [ 54.900837] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 54.906710] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 54.922716] CR2: 00007f477d854000 # [ 54.926432] ---[ end trace 9e0e9468693c576d ]--- # [ 54.931597] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 54.935990] Code: 89 ff e8 be 67 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 [ 57.041552] lkdtm: Performing direct entry ACCESS_NULL [ 57.049501] lkdtm: attempting bad read at 0000000000000000 [ 57.055710] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 57.063509] #PF: supervisor read access in kernel mode [ 57.069261] #PF: error_code(0x0000) - not-present page 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 90 62 92 02 # [[ 57.075007] PGD 0 P4D 0 [ 57.084071] Oops: 0000 [#13] SMP PTI 54.957003] RSP: 0018:ffff90e6c1297e60 EFLAGS: 00010286 # [ [ 57.088076] CPU: 0 PID: 1838 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 57.102959] Hardware name: Google Coral/Coral, BIOS 09/29/2020 54.962849] RAX: ffffffff856e43c0 RBX: 0000000000000001 RCX: 000[ 57.109599] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 [ 57.121078] Code: fc 95 fd ff be 00 10 00 00 48 89 ef e8 49 12 3c ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 d8 54 8b 86 e8 d6 95 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 00 55 8b 86 48 01 0000000000000 # [ 54.970825] RDX: 0000000000000000 RSI: ffff8[ 57.142086] RSP: 0018:ffff90e6c23dfe58 EFLAGS: 00010246 [ 57.154150] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 [ 57.162127] RDX: 0000000000000000 RSI: ffff8afd3bc1bf70 RDI: ffff8afd3bc1bf70 [ 57.170119] RBP: ffffffff868b45c9 R08: 0000000000000000 R09: 0000000000000000 [ 57.178112] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 57.186111] R13: ffff90e6c23dff10 R14: ffff90e6c23dff10 R15: ffff8afcc37b8000 [ 57.194111] FS: 00007efce7720580(0000) GS:ffff8afd3bc00000(0000) knlGS:0000000000000000 [ 57.203172] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.209617] CR2: 0000000000000000 CR3: 0000000106482000 CR4: 00000000003506f0 [ 57.217621] Call Trace: [ 57.220378] direct_entry.cold+0x2c/0x38 [ 57.224781] full_proxy_write+0x56/0x80 [ 57.229090] vfs_write+0xea/0x3a0 [ 57.232808] ksys_write+0x68/0xf0 [ 57.236531] do_syscall_64+0x33/0x40 [ 57.240542] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 57.246208] RIP: 0033:0x7efce7636833 [ 57.250208] 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 [ 57.271259] RSP: 002b:00007fff22556b68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.279751] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007efce7636833 [ 57.287753] RDX: 000000000000000c RSI: 00007efce7529000 RDI: 0000000000000001 [ 57.295746] RBP: 00007efce7529000 R08: 00007efce7528010 R09: 0000000000000000 [ 57.303751] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 57.311755] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 57.319763] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 57.335774] CR2: 0000000000000000 [ 57.339491] ---[ end trace 9e0e9468693c5770 ]--- [ 57.344663] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 57.349054] Code: 89 ff e8 be 67 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 90 62 92 02 [ 57.370088] RSP: 0018:ffff90e6c1297e60 EFLAGS: 00010286 [ 57.375945] RAX: ffffffff856e43c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 57.383937] RDX: 0000000000000000 RSI: ffff8afd3bd9bf70 RDI: ffffffff864d0fb0 [ 57.391924] RBP: ffffffff8690fba8 R08: 0000000000000001 R09: 0000000000000001 [ 57.399917] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 57.407912] R13: ffff90e6c1297f10 R14: ffff90e6c1297f10 R15: ffff8afcc298f000 [ 57.415911] FS: 00007efce7720580(0000) GS:ffff8afd3bc00000(0000) knlGS:0000000000000000 [ 57.424966] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.431402] CR2: 0000000000000000 CR3: 0000000106482000 CR4: 00000000003506f0 afd3bd9bf70 RDI: ffffffff864d0fb0 # [ 54.978806] RBP: ffffffff8690fba8 R08: 0000000000000001 R09: 0000000000000001 # [ 54.986800] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 54.994788] R13: ffff90e6c1297f10 R14: ffff90e6c1297f10 R15: ffff8afcc298f000 # [ 55.002779] FS: 00007f477d825580(0000) GS:ffff8afd3bc00000(0000) knlGS:0000000000000000 # [ 55.011822] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.018249] CR2: 00007f477d854000 CR3: 0000000104cae000 CR4: 00000000003506f0 # [ 55.026238] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 55.036185] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1732, name: cat # [ 55.044666] INFO: lockdep is turned off. # [ 55.049058] irq event stamp: 0 # [ 55.052482] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 55.059498] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 55.068658] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 55.077826] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 55.084856] CPU: 0 PID: 1732 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 55.093538] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 55.100175] Call Trace: # [ 55.102926] dump_stack+0x77/0x9b # [ 55.106654] ___might_sleep.cold+0xa6/0xb6 # [ 55.111252] exit_signals+0x1c/0x2e0 # [ 55.115257] do_exit+0xc2/0xaf0 # [ 55.118783] ? ksys_write+0x68/0xf0 # [ 55.122701] rewind_stack_do_exit+0x17/0x20 # [ 55.127393] RIP: 0033:0x7f477d73b833 # [ 55.131404] 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 # [ 55.152463] RSP: 002b:00007ffd7cc99948 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 55.160959] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007f477d73b833 # [ 55.168958] RDX: 000000000000000f RSI: 00007f477d62e000 RDI: 0000000000000001 # [ 55.176954] RBP: 00007f477d62e000 R08: 00007f477d62d010 R09: 0000000000000000 # [ 55.184948] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 55.192950] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh # Killed # [ 55.489262] lkdtm: Performing direct entry EXEC_NULL # [ 55.499498] lkdtm: attempting ok execution at ffffffff856e4790 # [ 55.512302] lkdtm: attempting bad execution at 0000000000000000 # [ 55.525229] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 55.539198] #PF: supervisor instruction fetch in kernel mode # [ 55.545544] #PF: error_code(0x0010) - not-present page # [ 55.551306] PGD 0 P4D 0 # [ 55.554154] Oops: 0010 [#11] SMP PTI # [ 55.558156] CPU: 3 PID: 1768 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 55.566823] Hardware name: Google Coral/Coral, BIOS 09/[ 57.743541] lkdtm: Performing direct entry WRITE_RO [ 57.750102] lkdtm: attempting bad rodata write at ffffffff864d1430 [ 57.757077] BUG: unable to handle page fault for address: ffffffff864d1430 [ 57.764781] #PF: supervisor write access in kernel mode [ 57.770623] #PF: error_code(0x0003) - permissions violation [ 57.776860] PGD 15c29067 P4D 15c29067 PUD 15c2a063 PMD 80000000156001e1 [ 57.784378] Oops: 0003 [#14] SMP PTI [ 57.788390] CPU: 0 PID: 1873 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 57.797063] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 57.803695] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a [ 57.808673] Code: 00 48 c7 c7 b8 53 8b 86 48 c7 c6 30 14 4d 86 e8 80 98 fd ff 48 8b 05 e3 aa 78 00 ba 34 12 cd ab 48 c7 c7 e8 53 8b 86 48 31 d0 <48> 89 05 cd aa 78 00 e9 5e 98 fd ff 0f 1f 44 00 00 48 8b 05 bc 99 [ 57.829698] RSP: 0018:ffff90e6c245fe60 EFLAGS: 00010202 [ 57.835556] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 [ 57.843542] RDX: 00000000abcd1234 RSI: ffff8afd3bc1bf70 RDI: ffffffff868b53e8 [ 57.851527] RBP: ffffffff868b45d5 R08: 0000000000000000 R09: 0000000000000000 [ 57.859516] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 [ 57.867505] R13: ffff90e6c245ff10 R14: ffff90e6c245ff10 R15: ffff8afcc648c000 [ 57.875487] FS: 00007f70ef05b580(0000) GS:ffff8afd3bc00000(0000) knlGS:0000000000000000 [ 57.884552] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.890979] CR2: ffffffff864d1430 CR3: 000000010543c000 CR4: 00000000003506f0 [ 57.898968] Call Trace: [ 57.901711] direct_entry.cold+0x2c/0x38 [ 57.906120] full_proxy_write+0x56/0x80 [ 57.910417] vfs_write+0xea/0x3a0 [ 57.914132] ksys_write+0x68/0xf0 [ 57.917844] do_syscall_64+0x33/0x40 [ 57.921850] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 57.927513] RIP: 0033:0x7f70eef71833 [ 57.931509] 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 [ 57.952563] RSP: 002b:00007ffebd142958 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.961037] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f70eef71833 [ 57.969041] RDX: 0000000000000009 RSI: 00007f70eee64000 RDI: 0000000000000001 [ 57.977026] RBP: 00007f70eee64000 R08: 00007f70eee63010 R09: 0000000000000000 [ 57.985020] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 57.993006] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 58.001009] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 58.017010] CR2: ffffffff864d1430 [ 58.020725] ---[ end trace 9e0e9468693c5771 ]--- [ 58.025898] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 58.030274] Code: 89 ff e8 be 67 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 90 62 92 02 [ 58.051299] RSP: 0018:ffff90e6c1297e60 EFLAGS: 00010286 [ 58.057159] RAX: ffffffff856e43c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 58.065151] RDX: 0000000000000000 RSI: ffff8afd3bd9bf70 RDI: ffffffff864d0fb0 [ 58.073130] RBP: ffffffff8690fba8 R08: 0000000000000001 R09: 0000000000000001 [ 58.081119] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 58.089100] R13: ffff90e6c1297f10 R14: ffff90e6c1297f10 R15: ffff8afcc298f000 [ 58.097084] FS: 00007f70ef05b580(0000) GS:ffff8afd3bc00000(0000) knlGS:0000000000000000 [ 58.106152] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.112591] CR2: ffffffff864d1430 CR3: 000000010543c000 CR4: 00000000003506f0 [ 58.120581] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 58.130515] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1873, name: cat [ 58.138979] INFO: lockdep is turned off. [ 58.143359] irq event stamp: 0 [ 58.146769] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 58.153785] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 58.162924] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 58.172064] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 58.179071] CPU: 0 PID: 1873 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 58.187727] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 58.194339] Call Trace: [ 58.197080] dump_stack+0x77/0x9b [ 58.200792] ___might_sleep.cold+0xa6/0xb6 [ 58.205374] exit_signals+0x1c/0x2e0 [ 58.209375] do_exit+0xc2/0xaf0 [ 58.212878] ? ksys_write+0x68/0xf0 [ 58.216774] rewind_stack_do_exit+0x17/0x20 [ 58.221453] RIP: 0033:0x7f70eef71833 [ 58.225452] 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 [ 58.246454] RSP: 002b:00007ffebd142958 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.254928] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f70eef71833 [ 58.262917] RDX: 0000000000000009 RSI: 00007f70eee64000 RDI: 0000000000000001 [ 58.270896] RBP: 00007f70eee64000 R08: 00007f70eee63010 R09: 0000000000000000 [ 58.278874] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 58.286851] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 29/2020 # [ 55.573463] RIP: 0010:0x0 # [ 55.576403] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. # [ 55.584115] RSP: 0018:ffff90e6c22cfe48 EFLAGS: 00010246 # [ 55.589974] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 55.597973] RDX: 0000000000000000 RSI: ffff8afd3bd9bf70 RDI: ffff8afd3bd9bf70 # [ 55.605965] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 # [ 55.613956] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 55.621943] R13: ffff90e6c22cff10 R14: ffff90e6c22cff10 R15: ffff8afcc371d000 # [ 55.629932] FS: 00007f0d55791580(0000) GS:ffff8afd3bd80000(0000) knlGS:0000000000000000 # [ 55.638978] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.645403] CR2: ffffffffffffffd6 CR3: 0000000102710000 CR4: 00000000003506e0 # [ 55.653397] Call Trace: # [ 55.656141] execute_location+0x48/0x56 # [ 55.660440] direct_entry.cold+0x2c/0x38 # [ 55.664835] full_proxy_write+0x56/0x80 # [ 55.669130] vfs_write+0xea/0x3a0 # [ 55.672837] ksys_write+0x68/0xf0 # [ 55.676543] do_syscall_64+0x33/0x40 # [ 55.680543] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 55.686195] RIP: 0033:0x7f0d556a7833 # [ 55.690197] 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 # [ 55.711220] RSP: 002b:00007ffe67734ff8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 55.719704] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f0d556a7833 # [ 55.727696] RDX: 000000000000000a RSI: 00007f0d5559a000 RDI: 0000000000000001 # [ 55.735678] RBP: 00007f0d5559a000 R08: 00007f0d55599010 R09: 0000000000000000 # [ 55.743662] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 55.751636] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 55.759630] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 55.775616] CR2: 0000000000000000 # [ 55.779322] ---[ end trace 9e0e9468693c576e ]--- # [ 55.784485] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 55.788881] Code: 89 ff e8 be 67 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 90 62 92 02 # [ 55.809902] RSP: 0018:ffff90e6c1297e60 EFLAGS: 00010286 # [ 55.815749] RAX: ffffffff856e43c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.823733] RDX: 0000000000000000 RSI: ffff8afd3bd9bf70 RDI: ffffffff864d0fb0 # [ 55.831712] RBP: ffffffff8690fba8 R08: 0000000000000001 R09: 0000000000000001 # [ 55.839691] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 55.847686] R13: ffff90e6c1297f10 R14: ffff90e6c1297f10 R15: ffff8afcc298f000 # [ 55.855676] FS: 00007f0d55791580(0000) GS:ffff8afd3bd80000(0000) knlGS:0000000000000000 # [ 55.864738] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.871168] CR2: ffffffffffffffd6 CR3: 0000000102710000 CR4: 00000000003506e0 # EXEC_NULL: saw 'call trace:': ok [ 58.606299] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT [ 58.618988] lkdtm: attempting bad ro_after_init write at ffffffff86930330 ok 36 selftests: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS[ 58.626651] BUG: unable to handle page fault for address: ffffffff86930330 [ 58.640510] #PF: supervisor write access in kernel mode _USERSPACE.sh # Killed # [ 56.162254] lkdtm: Performing dire[ 58.646361] #PF: error_code(0x0003) - permissions violation [ 58.658819] PGD 15c29067 P4D 15c29067 PUD 15c2a063 PMD 104c42163 PTE 8000000015b30061 [ 58.667595] Oops: 0003 [#15] SMP PTI [ 58.671590] CPU: 1 PID: 1908 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 58.680247] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 58.686872] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a [ 58.692915] Code: 54 8b 86 e9 32 98 fd ff 48 c7 c7 40 54 8b 86 e8 26 98 fd ff 48 8b 05 89 99 be 00 ba 34 12 cd ab 48 c7 c7 e8 53 8b 86 48 31 d0 <48> 89 05 73 99 be 00 e9 04 98 fd ff 0f 1f 44 00 00 41 54 48 c7 c7 [ 58.713928] RSP: 0018:ffff90e6c2507e60 EFLAGS: 00010202 [ 58.719781] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 [ 58.727759] RDX: 00000000abcd1234 RSI: ffff8afd3bc9bf70 RDI: ffffffff868b53e8 [ 58.735738] RBP: ffffffff868b45de R08: 0000000000000000 R09: 0000000000000000 [ 58.743726] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 [ 58.751715] R13: ffff90e6c2507f10 R14: ffff90e6c2507f10 R15: ffff8afcc4e9e000 [ 58.759704] FS: 00007f3823c1b580(0000) GS:ffff8afd3bc80000(0000) knlGS:0000000000000000 [ 58.768757] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.775189] CR2: ffffffff86930330 CR3: 00000001039aa000 CR4: 00000000003506e0 [ 58.783177] Call Trace: [ 58.785925] direct_entry.cold+0x2c/0x38 [ 58.790329] full_proxy_write+0x56/0x80 [ 58.794624] vfs_write+0xea/0x3a0 [ 58.798342] ksys_write+0x68/0xf0 [ 58.802054] do_syscall_64+0x33/0x40 [ 58.806062] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 58.811713] RIP: 0033:0x7f3823b31833 [ 58.815713] 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 [ 58.836727] RSP: 002b:00007ffe28cd8348 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.845195] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f3823b31833 [ 58.853182] RDX: 0000000000000014 RSI: 00007f3823a24000 RDI: 0000000000000001 [ 58.861165] RBP: 00007f3823a24000 R08: 00007f3823a23010 R09: 0000000000000000 [ 58.869154] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 58.877133] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ct entry ACCESS_USERSPACE # [ 56.172157] lkdtm: attempting ba[ 58.885124] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 58.907341] CR2: ffffffff86930330 [ 58.911048] ---[ end trace 9e0e9468693c5772 ]--- [ 58.916210] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 58.920609] Code: 89 ff e8 be 67 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 90 62 92 02 [ 58.941617] RSP: 0018:ffff90e6c1297e60 EFLAGS: 00010286 [ 58.947460] RAX: ffffffff856e43c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 58.955443] RDX: 0000000000000000 RSI: ffff8afd3bd9bf70 RDI: ffffffff864d0fb0 [ 58.963420] RBP: ffffffff8690fba8 R08: 0000000000000001 R09: 0000000000000001 [ 58.971401] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 58.979391] R13: ffff90e6c1297f10 R14: ffff90e6c1297f10 R15: ffff8afcc298f000 [ 58.987369] FS: 00007f3823c1b580(0000) GS:ffff8afd3bc80000(0000) knlGS:0000000000000000 [ 58.996415] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.002838] CR2: ffffffff86930330 CR3: 00000001039aa000 CR4: 00000000003506e0 d read at 00007f28219f8000 # [ 56.184532] BUG: unable to handle page fault for address: 00007f28219f8000 # [ 56.198397] #PF: supervisor read access in kernel mode # [ 56.204156] #PF: error_code(0x0001) - permissions violation # [ 56.210397] PGD 8000000104eb8067 P4D 8000000104eb8067 PUD 102af3067 PMD 10657a067 PTE 10a62d067 # [ 56.220155] Oops: 0001 [#12] SMP PTI # [ 56.224164] CPU: 3 PID: 1803 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 56.232820] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 56.239460] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 56.245705] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 d8 54 8b 86 e8 58 96 fd ff 48 c7 c7 00 55 8b 86 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 3f 96 fd ff 48 89 ee 48 c7 c7 28 55 8b # [ 56.266715] RSP: 0018:ffff90e6c2357e48 EFLAGS: 00010246 # [ 56.272560] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 # [ 56.280546] RDX: 0000000000000000 RSI: ffff8afd3bd9bf70 RDI: ffffffff868b5500 # [ 56.288529] RBP: 00007f28219f8000 R08: 0000000000000000 R09: 0000000000000000 # [ 56.296523] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 # [ 56.304517] R13: ffff90e6c2357f10 R14: ffff90e6c2357f10 R15: ffff8afcc42d1000 # [ 56.312499] FS: 00007f28219c9580(0000) GS:ffff8afd3bd80000(0000) knlGS:0000000000000000 # [ 56.321554] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.327987] CR2: 00007f28219f8000 CR3: 000000010320a000 CR4: 00000000003506e0 # [ 56.335982] Call Trace: # [ 56.338734] direct_entry.cold+0x2c/0x38 # [ 56.343128] full_proxy_write+0x56/0x80 # [ 56.347429] vfs_write+0xea/0x3a0 # [ 56.351141] ksys_write+0x68/0xf0 # [ 56.354855] do_syscall_64+0x33/0x40 # [ 56.358855] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 56.364511] RIP: 0033:0x7f28218df833 # [ 56.368512] 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 # [ 56.389512] RSP: 002b:00007ffd9f263398 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.397984] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f28218df833 # [ 56.405967] RDX: 0000000000000011 RSI: 00007f28217d2000 RDI: 0000000000000001 # [ 56.413947] RBP: 00007f28217d2000 R08: 00007f28217d1010 R09: 0000000000000000 # [ 56.421924] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 56.429911] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 56.437925] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 56.453947] CR2: 00007f28219f8000 # [ 56.457663] ---[ end trace 9e0e9468693c576f ]--- # [ 56.462826] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 56.467213] Code: 89 ff e8 be 67 a3 ff 48 c7 c0 ea ff ff ff eb d[ 59.301855] lkdtm: Performing direct entry WRITE_KERN [ 59.308950] lkdtm: attempting bad 6693175 byte write at ffffffff85d468c7 e 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9[ 59.316518] BUG: unable to handle page fault for address: ffffffff85d468c7 [ 59.330368] #PF: supervisor write access in kernel mode 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 0[ 59.336208] #PF: error_code(0x0003) - permissions violation 0 83 05 90 62 92 02 # [ 56.488239] RSP: 0018:ffff90e6c1297e60[ 59.348645] PGD 15c29067 P4D 15c29067 PUD 15c2a063 PMD 14e001e1 [ 59.361595] Oops: 0003 [#16] SMP PTI [ 59.365601] CPU: 0 PID: 1943 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 59.374263] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 59.380895] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e [ 59.386057] Code: 53 48 c7 c3 c7 68 d4 85 49 89 dc 48 89 da 49 81 ec 90 47 6e 85 4c 89 e6 e8 d9 97 fd ff 48 89 df 4c 89 e1 48 c7 c6 90 47 6e 85 a4 48 c7 c7 e8 53 8b 86 e8 be 97 fd ff 5b 41 5c e9 b7 fe ff ff [ 59.407051] RSP: 0018:ffff90e6c2547e50 EFLAGS: 00010246 [ 59.412895] RAX: 000000000000003c RBX: ffffffff85d468c7 RCX: 0000000000662137 [ 59.420873] RDX: 0000000000000000 RSI: ffffffff856e4790 RDI: ffffffff85d468c7 [ 59.428858] RBP: ffffffff868b45f2 R08: 0000000000000000 R09: 0000000000000000 [ 59.436841] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000662137 [ 59.444819] R13: ffff90e6c2547f10 R14: ffff90e6c2547f10 R15: ffff8afcc54ba000 [ 59.452798] FS: 00007ff0ab4e6580(0000) GS:ffff8afd3bc00000(0000) knlGS:0000000000000000 [ 59.461845] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.468266] CR2: ffffffff85d468c7 CR3: 00000001039ac000 CR4: 00000000003506f0 [ 59.476242] Call Trace: [ 59.478989] direct_entry.cold+0x2c/0x38 [ 59.483381] full_proxy_write+0x56/0x80 [ 59.487681] vfs_write+0xea/0x3a0 [ 59.491393] ksys_write+0x68/0xf0 [ 59.495093] do_syscall_64+0x33/0x40 [ 59.499094] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 59.504745] RIP: 0033:0x7ff0ab3fc833 [ 59.508743] 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 [ 59.529739] RSP: 002b:00007ffd89f62dc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.538201] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007ff0ab3fc833 [ 59.546181] RDX: 000000000000000b RSI: 00007ff0ab2ef000 RDI: 0000000000000001 [ 59.554159] RBP: 00007ff0ab2ef000 R08: 00007ff0ab2ee010 R09: 0000000000000000 [ 59.562137] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 59.570117] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 59.578109] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 59.594102] CR2: ffffffff85d468c7 [ 59.597809] ---[ end trace 9e0e9468693c5773 ]--- [ 59.602975] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 59.607361] Code: 89 ff e8 be 67 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 90 62 92 02 [ 59.628360] RSP: 0018:ffff90e6c1297e60 EFLAGS: 00010286 [ 59.634205] RAX: ffffffff856e43c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 59.642182] RDX: 0000000000000000 RSI: ffff8afd3bd9bf70 RDI: ffffffff864d0fb0 [ 59.650160] RBP: ffffffff8690fba8 R08: 0000000000000001 R09: 0000000000000001 [ 59.658145] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 59.666124] R13: ffff90e6c1297f10 R14: ffff90e6c1297f10 R15: ffff8afcc298f000 [ 59.674100] FS: 00007ff0ab4e6580(0000) GS:ffff8afd3bc00000(0000) knlGS:0000000000000000 [ 59.683143] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.689565] CR2: ffffffff85d468c7 CR3: 00000001039ac000 CR4: 00000000003506f0 [ 59.697542] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 59.707458] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1943, name: cat [ 59.715919] INFO: lockdep is turned off. [ 59.720300] irq event stamp: 0 [ 59.723713] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 59.730722] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 59.739863] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 59.749007] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 59.756015] CPU: 0 PID: 1943 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 59.764674] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 59.771291] Call Trace: [ 59.774035] dump_stack+0x77/0x9b [ 59.777749] ___might_sleep.cold+0xa6/0xb6 [ 59.782333] exit_signals+0x1c/0x2e0 EFLAGS: 00010286 # [ 56.494097] RAX: ffffffff856e43c0 RBX: 0[ 59.786333] do_exit+0xc2/0xaf0 [ 59.796056] ? ksys_write+0x68/0xf0 [ 59.799960] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 [ 59.805418] rewind_stack_do_exit+0x17/0x20 [ 59.810088] RIP: 0033:0x7ff0ab3fc833 [ 59.814083] 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 [ 59.835074] RSP: 002b:00007ffd89f62dc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.843537] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007ff0ab3fc833 [ 59.851511] RDX: 000000000000000b RSI: 00007ff0ab2ef000 RDI: 0000000000000001 [ 59.859485] RBP: 00007ff0ab2ef000 R08: 00007ff0ab2ee010 R09: 0000000000000000 [ 59.867461] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 59.875440] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000000000000001 RCX: 0000000000000000 # [ 56.502091] RDX: 0000000000000000 RSI: ffff8afd3bd9bf70 RDI: ffffffff864d0fb0 # [ 56.510094] RBP: ffffffff8690fba8 R08: 0000000000000001 R09: 0000000000000001 # [ 56.518092] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 56.526077] R13: ffff90e6c1297f10 R14: ffff90e6c1297f10 R15: ffff8afcc298f000 # [ 56.534061] FS: 00007f28219c9580(0000) GS:ffff8afd3bd80000(0000) knlGS:0000000000000000 # [ 56.543120] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.549554] CR2: 00007f28219f8000 CR3: 000000010320a000 CR4: 00000000003506e0 # [ 56.557543] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 56.567476] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1803, name: cat # [ 56.575962] INFO: lockdep is turned off. # [ 56.580349] irq event stamp: 0 # [ 56.583769] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 56.590795] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 56.599954] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 56.609100] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 56.616113] CPU: 3 PID: 1803 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 56.624774] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 56.631398] Call Trace: # [ 56.634142] dump_stack+0x77/0x9b # [ 56.637864] ___might_sleep.cold+0xa6/0xb6 # [ 56.642452] exit_signals+0x1c/0x2e0 # [ 56.646443] do_exit+0xc2/0xaf0 # [ 56.649959] ? ksys_write+0x68/0xf0 # [ 56.653867] rewind_stack_do_exit+0x17/0x20 # [ 56.658554] RIP: 0033:0x7f28218df833 # [ 56.662558] 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 # [ 56.683601] RSP: 002b:00007ffd9f263398 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.692067] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f28218df833 # [ 56.700062] RDX: 0000000000000011 RSI: 00007f28217d2000 RDI: 0000000000000001 # [ 56.708057] RBP: 00007f28217d2000 R08: 00007f28217d1010 R09: 0000000000000000 # [ 56.716044] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 56.724038] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # ACCESS_USERSPACE: saw 'call trace:': ok ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # selftests: lkdtm: ACCESS_NULL.sh # Killed # [ 57.041552] lkdtm: Performing direct entry ACCESS_NULL # [ 57.049501] lkdtm: attempting bad read at 0000000000000000 # [ 57.055710] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 57.063509] #PF: supervisor read access in kernel mode # [ 57.069261] #PF: error_code(0x0000) - not-present page # [ 57.075007] PGD 0 P4D 0 # [ 57.084071] Oops: 0000 [#13] SMP PTI # [ 57.088076] CPU: 0 PID: 1838 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 57.102959] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 57.109599] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 57.121078] Code: fc 95 fd ff be 00 10 00 00 48 89 ef e8 49 12 3c ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 d8 54 8b 86 e8 d6 95 fd ff <48> 8b 1c 25 00 00 00 00 [ 60.210987] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW b8 de c0 de c0 48 c7 c7 00 55 8b 86 48 01 # [ 57.142086] RSP:[ 60.219789] lkdtm: attempting good refcount_inc() without overflow 0018:ffff90e6c23dfe58 EFLAGS: 00010246 # [ 57.154150] RAX: 0[ 60.232938] lkdtm: attempting bad refcount_inc() overflow 00000000000002e RBX: 0000000000000027 RCX: 0000000000000000 # [[ 60.245180] ------------[ cut here ]------------ 57.162127] RDX: 0000000000000000 RSI: ffff8afd3bc1bf70 RDI: f[ 60.256557] refcount_t: saturated; leaking memory. fff8afd3bc1bf70 # [ 57.170119] RBP: ffffffff868b45c9 R08: 000[ 60.268215] WARNING: CPU: 0 PID: 1978 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 [ 60.283894] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 60.299941] CPU: 0 PID: 1978 Comm: cat Tainted: G D W 5.10.165-cip24 #1 0000000000000 R09: 0000000000000000 # [ 57.178112] R10: 00000[ 60.308669] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 60.321457] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 60.327323] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 54 ed 93 01 00 75 ee 48 c7 c7 88 fc 84 86 c6 05 44 ed 93 01 01 e8 86 b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 30 ed 93 01 00 75 cb 48 c7 c7 b0 fc 84 [ 60.348340] RSP: 0018:ffff90e6c25e7e48 EFLAGS: 00010286 [ 60.354206] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 [ 60.362204] RDX: ffff8afd3bc2c660 RSI: ffff8afd3bc1bf70 RDI: ffff8afd3bc1bf70 000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 5[ 60.370200] RBP: ffffffff868b45fd R08: 0000000000000000 R09: 0000000000000000 [ 60.384389] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 60.392388] R13: ffff90e6c25e7f10 R14: ffff90e6c25e7f10 R15: ffff8afcc32e2000 [ 60.400389] FS: 00007f8154cf4580(0000) GS:ffff8afd3bc00000(0000) knlGS:0000000000000000 [ 60.409456] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.415901] CR2: 00007f8154afd000 CR3: 00000001041aa000 CR4: 00000000003506f0 [ 60.423898] Call Trace: [ 60.426664] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 [ 60.432049] direct_entry.cold+0x2c/0x38 [ 60.436466] full_proxy_write+0x56/0x80 [ 60.440783] vfs_write+0xea/0x3a0 [ 60.444517] ksys_write+0x68/0xf0 [ 60.448254] do_syscall_64+0x33/0x40 [ 60.452278] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 60.457954] RIP: 0033:0x7f8154c0a833 [ 60.461976] 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 [ 60.483003] RSP: 002b:00007ffeab2457f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.491492] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f8154c0a833 [ 60.499493] RDX: 0000000000000016 RSI: 00007f8154afd000 RDI: 0000000000000001 [ 60.507495] RBP: 00007f8154afd000 R08: 00007f8154afc010 R09: 0000000000000000 [ 60.515496] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 60.523509] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 7.186111] R13: ffff90e6c23dff10 R14: ffff90e6c23dff10 R15: ffff8[ 60.531520] irq event stamp: 0 [ 60.541135] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 60.548166] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 60.557346] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 60.566526] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 60.573563] ---[ end trace 9e0e9468693c5774 ]--- [ 60.578757] lkdtm: Overflow detected: saturated afcc37b8000 # [ 57.194111] FS: 00007efce7720580(0000) GS:ffff8afd3bc00000(0000) knlGS:0000000000000000 # [ 57.203172] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.209617] CR2: 0000000000000000 CR3: 0000000106482000 CR4: 00000000003506f0 # [ 57.217621] Call Trace: # [ 57.220378] direct_entry.cold+0x2c/0x38 # [ 57.224781] full_proxy_write+0x56/0x80 # [ 57.229090] vfs_write+0xea/0x3a0 # [ 57.232808] ksys_write+0x68/0xf0 # [ 57.236531] do_syscall_64+0x33/0x40 # [ 57.240542] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 57.246208] RIP: 0033:0x7efce7636833 # [ 57.250208] 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 # [ 57.271259] RSP: 002b:00007fff22556b68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 57.279751] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007efce7636833 # [ 57.287753] RDX: 000000000000000c RSI: 00007efce7529000 RDI: 0000000000000001 # [ 57.295746] RBP: 00007efce7529000 R08: 00007efce7528010 R09: 0000000000000000 # [ 57.303751] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 57.311755] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 57.319763] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 57.335774] CR2: 0000000000000000 # [ 57.339491] ---[ end trace 9e0e9468693c5770 ]--- # [ 57.344663] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 57.349054] Code: 89 ff e8 be 67 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 90 62 92 02 # [ 57.370088] RSP: 0018:ffff90e6c1297e60 EFLAGS: 00010286 # [ 57.375945] RAX: ffffffff856e43c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 57.383937] RDX: 0000000000000000 RSI: ffff8afd3bd9bf70 RDI: ffffffff864d0fb0 # [ 57.391924] RBP: ffffffff8690fba8 R08: 0000000000000001 R09: 0000000000000001 # [ 57.399917] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 57.407912] R13: ffff90e6c1297f10 R14: ffff90e6c1297f10 R15: ffff8afcc298f000 # [ 57.415911] FS: 00007efce7720580(0000) GS:ffff8afd3bc00000(0000) knlGS:0000000000000000 # [ 57.424966] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.431402] CR2: 0000000000000000 CR3: 0000000106482000 CR4: 00000000003506f0 # ACCESS_NULL: saw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh # Killed # [ 57.743541] lkdtm: Performing direct entry WRITE_RO # [ 57.750102] lkdtm: attempting bad rodata write at ffffffff864d1430 # [ 57.757077] BUG: unable to handl[ 60.863147] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW e page fault for address: ffffffff864d1430 # [ 57.764781] #PF[ 60.870658] lkdtm: attempting good refcount_add() without overflow : supervisor write access in kernel mode # [ 57.770623] #PF: [ 60.883823] lkdtm: attempting bad refcount_add() overflow error_code(0x0003) - permissions violation # [ 57.776860] PGD[ 60.896105] ------------[ cut here ]------------ 15c29067 P4D 15c29067 PUD 15c2a063 PMD 80000000156001e1 # [ [ 60.907479] refcount_t: saturated; leaking memory. 57.784378] Oops: 0003 [#14] SMP PTI # [ 57.788390] CPU: 0 PI[ 60.919396] WARNING: CPU: 3 PID: 2010 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 D: 1873 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 60.934795] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 57.797063] Hardware name: Google Coral/Coral, BIOS 09/29[ 60.957185] CPU: 3 PID: 2010 Comm: cat Tainted: G D W 5.10.165-cip24 #1 /2020 # [ 57.803695] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ [ 60.972111] Hardware name: Google Coral/Coral, BIOS 09/29/2020 57.808673] Code: 00 48 c7 c7 b8 53 8b 86 48 c7 c6 30 14 4d 86 [ 60.984894] RIP: 0010:refcount_warn_saturate+0x51/0x110 e8 80 98 fd ff 48 8b 05 e3 aa 78 00 ba 34 12 cd ab 48 c7 c7 e8 5[ 60.996902] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 54 ed 93 01 00 75 ee 48 c7 c7 88 fc 84 86 c6 05 44 ed 93 01 01 e8 86 b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 30 ed 93 01 00 75 cb 48 c7 c7 b0 fc 84 3 8b 86 48 31 d0 <48> 89 05 cd aa 78 00 e9 5e 98 fd ff 0f 1f 44 [ 61.024136] RSP: 0018:ffff90e6c2687e48 EFLAGS: 00010286 00 00 48 8b 05 bc 99 # [ 57.829698] RSP: 0018:ffff90e6c245fe6[ 61.036184] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 0 EFLAGS: 00010202 # [ 57.835556] RAX: 000000000198b861 RBX: [ 61.050421] RDX: ffff8afd3bdac660 RSI: ffff8afd3bd9bf70 RDI: ffff8afd3bd9bf70 0000000000000028 RCX: 0000000000000000 # [ 57.843542] RDX: 00[ 61.064625] RBP: ffffffff868b4613 R08: 0000000000000000 R09: 0000000000000000 000000abcd1234 RSI: ffff8afd3bc1bf70 RDI: ffffffff868b53e8 # [ [ 61.078864] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 57.851527] RBP: ffffffff868b45d5 R08: 0000000000000000 R09: 00[ 61.093081] R13: ffff90e6c2687f10 R14: ffff90e6c2687f10 R15: ffff8afcc548c000 00000000000000 # [ 57.859516] R10: 00000000ffffe000 R11: 3fff[ 61.107312] FS: 00007fd122708580(0000) GS:ffff8afd3bd80000(0000) knlGS:0000000000000000 ffffffffffff R12: 0000000000000009 # [ 57.867505] R13: ffff90[ 61.122561] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 e6c245ff10 R14: ffff90e6c245ff10 R15: ffff8afcc648c000 # [ 57[ 61.135226] CR2: 00007fd122511000 CR3: 0000000103298000 CR4: 00000000003506e0 .875487] FS: 00007f70ef05b580(0000) GS:ffff8afd3bc00000(0000) k[ 61.149411] Call Trace: nlGS:0000000000000000 # [ 57.884552] CS: 0010 DS: 0000 ES: 0[ 61.158412] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 000 CR0: 0000000080050033 # [ 57.890979] CR2: ffffffff864d143[ 61.169932] direct_entry.cold+0x2c/0x38 0 CR3: 000000010543c000 CR4: 00000000003506f0 # [ 57.898968] [ 61.180583] full_proxy_write+0x56/0x80 Call Trace: # [ 57.901711] direct_entry.cold+0x2c/0x38 # [ [ 61.191152] vfs_write+0xea/0x3a0 57.906120] full_proxy_write+0x56/0x80 # [ 57.910417] vfs_[ 61.201021] ksys_write+0x68/0xf0 write+0xea/0x3a0 # [ 57.914132] ksys_write+0x68/0xf0 # [ [ 61.211001] do_syscall_64+0x33/0x40 57.917844] do_syscall_64+0x33/0x40 # [ 57.921850] entry_SYS[ 61.221156] entry_SYSCALL_64_after_hwframe+0x61/0xc6 CALL_64_after_hwframe+0x61/0xc6 # [ 57.927513] RIP: 0033:0x7f[ 61.233051] RIP: 0033:0x7fd12261e833 70eef71833 # [ 57.931509] Code: 8b 15 61 26 0e 00 f7 d8 64 89[ 61.243204] 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 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 [ 61.270502] RSP: 002b:00007fff11118968 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f[ 61.285151] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fd12261e833 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 57.952563] RSP: 002b[ 61.299345] RDX: 0000000000000016 RSI: 00007fd122511000 RDI: 0000000000000001 :00007ffebd142958 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 #[ 61.313599] RBP: 00007fd122511000 R08: 00007fd122510010 R09: 0000000000000000 [ 57.961037] RAX: ffffffffffffffda RBX: 0000000000000009 RCX:[ 61.327790] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 00007f70eef71833 # [ 57.969041] RDX: 0000000000000009 RSI: 0[ 61.342024] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0007f70eee64000 RDI: 0000000000000001 # [ 57.977026] RBP: 000[ 61.356301] irq event stamp: 0 07f70eee64000 R08: 00007f70eee63010 R09: 0000000000000000 # [ [ 61.365924] hardirqs last enabled at (0): [<0000000000000000>] 0x0 57.985020] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 000[ 61.379173] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 0000000000001 # [ 57.993006] R13: 0000000000000001 R14: 00000[ 61.394548] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 00000020000 R15: 0000000000020000 # [ 58.001009] Modules link[ 61.409959] softirqs last disabled at (0): [<0000000000000000>] 0x0 ed in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_ligh[ 61.423194] ---[ end trace 9e0e9468693c5775 ]--- tbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd[ 61.434593] lkdtm: Overflow detected: saturated _notify # [ 58.017010] CR2: ffffffff864d1430 # [ 58.020725] ---[ end trace 9e0e9468693c5771 ]--- # [ 58.025898] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 58.030274] Code: 89 ff e8 be 67 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 90 62 92 02 # [ 58.051299] RSP: 0018:ffff90e6c1297e60 EFLAGS: 00010286 # [ 58.057159] RAX: ffffffff856e43c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 58.065151] RDX: 0000000000000000 RSI: ffff8afd3bd9bf70 RDI: ffffffff864d0fb0 # [ 58.073130] RBP: ffffffff8690fba8 R08: 0000000000000001 R09: 0000000000000001 # [ 58.081119] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 58.089100] R13: ffff90e6c1297f10 R14: ffff90e6c1297f10 R15: ffff8afcc298f000 # [ 58.097084] FS: 00007f70ef05b580(0000) GS:ffff8afd3bc00000(0000) knlGS:0000000000000000 # [ 58.106152] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.112591] CR2: ffffffff864d1430 CR3: 000000010543c000 CR4: 00000000003506f0 # [ 58.120581] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 58.130515] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1873, name: cat # [ 58.138979] INFO: lockdep is turned off. # [ 58.143359] irq event stamp: 0 # [ 58.146769] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 58.153785] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 58.162924] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 58.172064] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 58.179071] CPU: 0 PID: 1873 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 58.187727] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 58.194339] Call Trace: # [ 58.197080] dump_stack+0x77/0x9b # [ 58.200792] ___might_sleep.cold+0xa6/0xb6 # [ 58.205374] exit_signals+0x1c/0x2e0 # [ 58.209375] do_exit+0xc2/0xaf0 # [ 58.212878] ? ksys_write+0x68/0xf0 # [ 58.216774] rewind_stack_do_exit+0x17/0x20 # [ 58.221453] RIP: 0033:0x7f70eef71833 # [ 58.225452] 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 # [ 58.246454] RSP: 002b:00007ffebd142958 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.254928] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f70eef71833 # [ 58.262917] RDX: 0000000000000009 RSI: 00007f70eee64000 RDI: 0000000000000001 # [ 58.270896] RBP: 00007f70eee64000 R08: 00007f70eee63010 R09: 0000000000000000 # [ 58.278874] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 58.286851] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # WRITE_RO: saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # Killed # [ 58.606299] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 58.618988] lkdtm: attempting bad ro_after_init write at ffffffff86930330 # [ 58.626651] BUG: unable to handle page fault f[ 61.759750] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW [ 61.771136] lkdtm: attempting bad refcount_inc_not_zero() overflow [ 61.778080] ------------[ cut here ]------------ [ 61.783273] refcount_t: saturated; leaking memory. [ 61.788700] WARNING: CPU: 2 PID: 2042 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 [ 61.798166] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 61.814175] CPU: 2 PID: 2042 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 61.822884] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 61.829539] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 61.835406] Code: 01 01 e8 63 b4 95 00 0f 0b c3 cc cc cc cc 80 3d 0f ed 93 01 00 75 a8 48 c7 c7 88 fc 84 86 c6 05 ff ec 93 01 01 e8 40 b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d e9 ec 93 01 00 75 85 48 c7 c7 e0 fc 84 [ 61.856450] RSP: 0018:ffff90e6c2707e38 EFLAGS: 00010282 [ 61.862313] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 61.870316] RDX: ffff8afd3bd2c660 RSI: ffff8afd3bd1bf70 RDI: ffff8afd3bd1bf70 [ 61.878329] RBP: ffffffff868b4250 R08: 0000000000000000 R09: 0000000000000000 [ 61.886349] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 61.894359] R13: ffff90e6c2707f10 R14: ffff90e6c2707f10 R15: ffff8afcc2a18000 [ 61.902374] FS: 00007f12c9eac580(0000) GS:ffff8afd3bd00000(0000) knlGS:0000000000000000 [ 61.911445] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.917900] CR2: 00007f12c9cb5000 CR3: 00000001039ac000 CR4: 00000000003506e0 [ 61.925901] Call Trace: [ 61.928665] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 61.934832] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 [ 61.941095] direct_entry.cold+0x2c/0x38 [ 61.945510] full_proxy_write+0x56/0x80 [ 61.949833] vfs_write+0xea/0x3a0 [ 61.953567] ksys_write+0x68/0xf0 [ 61.957309] do_syscall_64+0x33/0x40 [ 61.961335] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 61.967008] RIP: 0033:0x7f12c9dc2833 [ 61.971032] 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 [ 61.992071] RSP: 002b:00007ffe3e51a778 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 62.000570] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f12c9dc2833 [ 62.008586] RDX: 000000000000001f RSI: 00007f12c9cb5000 RDI: 0000000000000001 [ 62.016611] RBP: 00007f12c9cb5000 R08: 00007f12c9cb4010 R09: 0000000000000000 [ 62.024628] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 62.032655] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 or address: ffffffff86930330 # [ 58.640510] #PF: supervisor w[ 62.040681] irq event stamp: 0 [ 62.050325] hardirqs last enabled at (0): [<0000000000000000>] 0x0 rite access in kernel mode # [ 58.646361] #PF: error_code(0x0[ 62.057370] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 62.072753] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 003) - permissions violation # [ 58.658819] PGD 15c29067 P4D [ 62.081945] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 62.095229] ---[ end trace 9e0e9468693c5776 ]--- [ 62.100426] lkdtm: Overflow detected: saturated 15c29067 PUD 15c2a063 PMD 104c42163 PTE 8000000015b30061 # [ 58.667595] Oops: 0003 [#15] SMP PTI # [ 58.671590] CPU: 1 PID: 1908 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 58.680247] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 58.686872] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 58.692915] Code: 54 8b 86 e9 32 98 fd ff 48 c7 c7 40 54 8b 86 e8 26 98 fd ff 48 8b 05 89 99 be 00 ba 34 12 cd ab 48 c7 c7 e8 53 8b 86 48 31 d0 <48> 89 05 73 99 be 00 e9 04 98 fd ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 58.713928] RSP: 0018:ffff90e6c2507e60 EFLAGS: 00010202 # [ 58.719781] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 # [ 58.727759] RDX: 00000000abcd1234 RSI: ffff8afd3bc9bf70 RDI: ffffffff868b53e8 # [ 58.735738] RBP: ffffffff868b45de R08: 0000000000000000 R09: 0000000000000000 # [ 58.743726] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 # [ 58.751715] R13: ffff90e6c2507f10 R14: ffff90e6c2507f10 R15: ffff8afcc4e9e000 # [ 58.759704] FS: 00007f3823c1b580(0000) GS:ffff8afd3bc80000(0000) knlGS:0000000000000000 # [ 58.768757] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.775189] CR2: ffffffff86930330 CR3: 00000001039aa000 CR4: 00000000003506e0 # [ 58.783177] Call Trace: # [ 58.785925] direct_entry.cold+0x2c/0x38 # [ 58.790329] full_proxy_write+0x56/0x80 # [ 58.794624] vfs_write+0xea/0x3a0 # [ 58.798342] ksys_write+0x68/0xf0 # [ 58.802054] do_syscall_64+0x33/0x40 # [ 58.806062] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 58.811713] RIP: 0033:0x7f3823b31833 # [ 58.815713] 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 # [ 58.836727] RSP: 002b:00007ffe28cd8348 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.845195] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f3823b31833 # [ 58.853182] RDX: 0000000000000014 RSI: 00007f3823a24000 RDI: 0000000000000001 # [ 58.861165] RBP: 00007f3823a24000 R08: 00007f3823a23010 R09: 0000000000000000 # [ 58.869154] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 58.877133] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 58.885124] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 58.907341] CR2: ffffffff86930330 # [ 58.911048] ---[ end trace 9e0e9468693c5772 ]--- # [ 58.916210] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 58.920609] Code: 89 ff e8 be 67 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 90 62 92 02 # [ 58.941617] RSP: 0018:ffff90e6c1297e60 EFLAGS: 00010286 # [ 58.947460] RAX: ffffffff856e43c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 58.955443] RDX: 0000000000000000 RSI: ffff8af[ 62.401376] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW [ 62.412115] lkdtm: attempting bad refcount_add_not_zero() overflow [ 62.419064] ------------[ cut here ]------------ d3bd9bf70 RDI: ffffffff864d0fb0 # [ 58.963420] RBP: ffffffff8[ 62.424251] refcount_t: saturated; leaking memory. 690fba8 R08: 0000000000000001 R09: 0000000000000001 # [ 58.97[ 62.435889] WARNING: CPU: 0 PID: 2074 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 [ 62.451512] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 62.467570] CPU: 0 PID: 2074 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 62.476264] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 62.482911] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 62.488785] Code: 01 01 e8 63 b4 95 00 0f 0b c3 cc cc cc cc 80 3d 0f ed 93 01 00 75 a8 48 c7 c7 88 fc 84 86 c6 05 ff ec 93 01 01 e8 40 b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d e9 ec 93 01 00 75 85 48 c7 c7 e0 fc 84 1401] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000[ 62.509830] RSP: 0018:ffff90e6c2697e38 EFLAGS: 00010282 [ 62.521918] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 62.529927] RDX: ffff8afd3bc2c660 RSI: ffff8afd3bc1bf70 RDI: ffff8afd3bc1bf70 [ 62.537929] RBP: ffffffff868b4270 R08: 0000000000000000 R09: 0000000000000000 [ 62.545923] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 62.553926] R13: ffff90e6c2697f10 R14: ffff90e6c2697f10 R15: ffff8afcc5630000 [ 62.561939] FS: 00007f77597fa580(0000) GS:ffff8afd3bc00000(0000) knlGS:0000000000000000 [ 62.571014] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.577470] CR2: 00007f7759603000 CR3: 000000010320a000 CR4: 00000000003506f0 [ 62.585474] Call Trace: [ 62.588244] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 62.594422] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 [ 62.600714] direct_entry.cold+0x2c/0x38 [ 62.605135] full_proxy_write+0x56/0x80 [ 62.609464] vfs_write+0xea/0x3a0 [ 62.613196] ksys_write+0x68/0xf0 [ 62.616936] do_syscall_64+0x33/0x40 [ 62.620967] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 62.626651] RIP: 0033:0x7f7759710833 [ 62.630677] 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 [ 62.651712] RSP: 002b:00007ffc72bf3f88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 62.660213] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f7759710833 [ 62.668214] RDX: 000000000000001f RSI: 00007f7759603000 RDI: 0000000000000001 [ 62.676212] RBP: 00007f7759603000 R08: 00007f7759602010 R09: 0000000000000000 [ 62.684217] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 62.692221] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0000004 # [ 58.979391] R13: ffff90e6c1297f10 R14: ffff90e6c12[ 62.700228] irq event stamp: 0 97f10 R15: ffff8afcc298f000 # [ 58.987369] FS: 00007f3823c1b[ 62.709864] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 62.723132] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 62.732304] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 62.741478] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 62.748513] ---[ end trace 9e0e9468693c5777 ]--- [ 62.753740] lkdtm: Overflow detected: saturated 580(0000) GS:ffff8afd3bc80000(0000) knlGS:0000000000000000 # [ 58.996415] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.002838] CR2: ffffffff86930330 CR3: 00000001039aa000 CR4: 00000000003506e0 # WRITE_RO_AFTER_INIT: saw 'call trace:': ok ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh # Killed # [ 59.301855] lkdtm: Performing direct entry WRITE_KERN # [ 59.308950] lkdtm: attempting bad 6693175 byte write at ffffffff85d468c7 # [ 59.316518] BUG: unable to handle page fault for address: ffffffff85d468c7 # [ 59.330368] #PF: supervisor write access in kernel mode # [ 59.336208] #PF: error_code(0x0003) - permissions violation # [ 59.348645] PGD 15c29067 P4D 15c29067 PUD 15c2a063 PMD 14e001e1 # [ 59.361595] Oops: 0003 [#16] SMP PTI # [ 59.365601] CPU: 0 PID: 1943 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 59.374263] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 59.380895] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 59.386057] Code: 53 48 c7 c3 c7 68 d4 85 49 89 dc 48 89 da 49 81 ec 90 47 6e 85 4c 89 e6 e8 d9 97 fd ff 48 89 df 4c 89 e1 48 c7 c6 90 47 6e 85 a4 48 c7 c7 e8 53 8b 86 e8 be 97 fd ff 5b 41 5c e9 b7 fe ff ff # [ 59.407051] RSP: 0018:ffff90e6c2547e50 EFLAGS: 00010246 # [ 59.412895] RAX: 000000000000003c RBX: ffffffff85d468c7 RCX: 0000000000662137 # [ 59.420873] RDX: 0000000000000000 RSI: ffffffff856e4790 RDI: ffffffff85d468c7 # [ 59.428858] RBP: ffffffff868b45f2 R08: 0000000000000000 R09: 0000000000000000 # [ 59.436841] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000662137 # [ 59.444819] R13: ffff90e6c2547f10 R14: ffff90e6c2547f10 R15: ffff8afcc54ba000 # [ 59.452798] FS: 00007ff0ab4e6580(0000) GS:ffff8afd3bc00000(0000) knlGS:0000000000000000 # [ 59.461845] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.468266] CR2: ffffffff85d468c7 CR3: 00000001039ac000 CR4: 00000000003506f0 # [ 59.476242] Call Trace: # [ 59.478989] direct_entry.cold+0x2c/0x38 # [ 59.483381] full_proxy_write+0x56/0x80 # [ 59.487681] vfs_write+0xea/0x3a0 # [ 59.491393] ksys_write+0x68/0xf0 # [ 59.495093] do_syscall_64+0x33/0x40 # [ 59.499094] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 59.504745] RIP: 0033:0x7ff0ab3fc833 # [ 59.508743] 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 # [ 59.529739] RSP: 002b:00007ffd89f62dc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.538201] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007ff0ab3fc833 # [ 59.546181] RDX: 000000000000000b RSI: 00007ff0ab2ef000 RDI: 0000000000000001 # [ 59.554159] RBP: 00007ff0ab2ef000 R08: 00007ff0ab2ee010 R09: 0000000000000000 # [ 59.562137] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 59.570117] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 59.578109] Mod[ 63.052539] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO [ 63.063912] lkdtm: attempting good refcount_dec() [ 63.069218] lkdtm: attempting bad refcount_dec() to zero [ 63.075175] ------------[ cut here ]------------ ules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cro[ 63.080352] refcount_t: decrement hit 0; leaking memory. [ 63.092570] WARNING: CPU: 0 PID: 2106 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 s_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev c[ 63.102035] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 63.124245] CPU: 0 PID: 2106 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 63.132959] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 63.139608] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 63.145474] Code: 38 fd 84 86 c6 05 b0 ec 93 01 01 e8 f6 b3 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 08 fd 84 86 c6 05 97 ec 93 01 01 e8 dc b3 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 63.166508] RSP: 0018:ffff90e6c27a7e48 EFLAGS: 00010286 [ 63.172378] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 [ 63.180377] RDX: ffff8afd3bc2c660 RSI: ffff8afd3bc1bf70 RDI: ffff8afd3bc1bf70 [ 63.188375] RBP: ffffffff868b4629 R08: 0000000000000000 R09: 0000000000000000 [ 63.196376] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 63.204381] R13: ffff90e6c27a7f10 R14: ffff90e6c27a7f10 R15: ffff8afcc37d3000 [ 63.212384] FS: 00007f1c6a993580(0000) GS:ffff8afd3bc00000(0000) knlGS:0000000000000000 [ 63.221453] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.227897] CR2: 00007f1c6a79c000 CR3: 0000000104cae000 CR4: 00000000003506f0 [ 63.235899] Call Trace: [ 63.238655] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd [ 63.243658] direct_entry.cold+0x2c/0x38 [ 63.248078] full_proxy_write+0x56/0x80 [ 63.252398] vfs_write+0xea/0x3a0 [ 63.256136] ksys_write+0x68/0xf0 [ 63.259866] do_syscall_64+0x33/0x40 [ 63.263892] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 63.269568] RIP: 0033:0x7f1c6a8a9833 [ 63.273594] 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 ros_usbpd_notify # [ 59.594102] CR2: ffffffff85d468c7 # [ [ 63.294653] RSP: 002b:00007ffe7a03b938 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 63.309355] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f1c6a8a9833 [ 63.317355] RDX: 0000000000000012 RSI: 00007f1c6a79c000 RDI: 0000000000000001 [ 63.325357] RBP: 00007f1c6a79c000 R08: 00007f1c6a79b010 R09: 0000000000000000 [ 63.333363] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 63.341370] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 59.597809] ---[ end trace 9e0e9468693c5773 ]--- # [ 59.602975[ 63.349383] irq event stamp: 0 ] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 59.607361] Code: 89 ff e8 [ 63.359014] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 63.372254] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 63.381425] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 63.390605] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 63.397645] ---[ end trace 9e0e9468693c5778 ]--- [ 63.402834] lkdtm: Zero detected: saturated be 67 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 90 62 92 02 # [ 59.628360] RSP: 0018:ffff90e6c1297e60 EFLAGS: 00010286 # [ 59.634205] RAX: ffffffff856e43c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 59.642182] RDX: 0000000000000000 RSI: ffff8afd3bd9bf70 RDI: ffffffff864d0fb0 # [ 59.650160] RBP: ffffffff8690fba8 R08: 0000000000000001 R09: 0000000000000001 # [ 59.658145] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 59.666124] R13: ffff90e6c1297f10 R14: ffff90e6c1297f10 R15: ffff8afcc298f000 # [ 59.674100] FS: 00007ff0ab4e6580(0000) GS:ffff8afd3bc00000(0000) knlGS:0000000000000000 # [ 59.683143] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.689565] CR2: ffffffff85d468c7 CR3: 00000001039ac000 CR4: 00000000003506f0 # [ 59.697542] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 59.707458] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1943, name: cat # [ 59.715919] INFO: lockdep is turned off. # [ 59.720300] irq event stamp: 0 # [ 59.723713] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 59.730722] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 59.739863] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 59.749007] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 59.756015] CPU: 0 PID: 1943 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 59.764674] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 59.771291] Call Trace: # [ 59.774035] dump_stack+0x77/0x9b # [ 59.777749] ___might_sleep.cold+0xa6/0xb6 # [ 59.782333] exit_signals+0x1c/0x2e0 # [ 59.786333] do_exit+0xc2/0xaf0 # [ 59.796056] ? ksys_write+0x68/0xf0 # [ 59.799960] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 59.805418] rewind_stack_do_exit+0x17/0x20 # [ 59.810088] RIP: 0033:0x7ff0ab3fc833 # [ 59.814083] 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 # [ 59.835074] RSP: 002b:00007ffd89f62dc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.843537] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007ff0ab3fc833 # [ 59.851511] RDX: 000000000000000b RSI: 00007ff0ab2ef000 RDI: 0000000000000001 # [ 59.859485] RBP: 00007ff0ab2ef000 R08: 00007ff0ab2ee010 R09: 0000000000000000 # [ 59.867461] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 59.875440] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # [ 60.210987] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 60.219789] lkdtm: attempting good refcount_inc() without overflow # [ 60.232938] lkdtm: attempting bad refcount_inc() ove[ 63.710380] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE rflow # [ 60.245180] ------------[ cut here ]------------ # [ 63.719143] lkdtm: attempting bad refcount_dec() below zero [ 60.256557] refcount_t: saturated; leaking memory. # [ 60.[ 63.731629] ------------[ cut here ]------------ [ 63.743024] refcount_t: decrement hit 0; leaking memory. 268215] WARNING: CPU: 0 PID: 1978 at lib/refcount.c:22 refcount_[ 63.749035] WARNING: CPU: 1 PID: 2141 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 warn_saturate+0x51/0x110 # [ 60.283894] Modules linked in: fu[ 63.764689] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify se ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros[ 63.786927] CPU: 1 PID: 2141 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 63.801845] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 63.808489] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 63.814357] Code: 38 fd 84 86 c6 05 b0 ec 93 01 01 e8 f6 b3 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 08 fd 84 86 c6 05 97 ec 93 01 01 e8 dc b3 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 63.835394] RSP: 0018:ffff90e6c286fe48 EFLAGS: 00010286 _ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 63.841260] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 60.299941] CPU: 0 PID: 1978 Comm: cat Tainted: G D W [ 63.855472] RDX: ffff8afd3bcac660 RSI: ffff8afd3bc9bf70 RDI: ffff8afd3bc9bf70 [ 63.869703] RBP: ffffffff868b463b R08: 0000000000000000 R09: 0000000000000000 [ 63.877706] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 63.885713] R13: ffff90e6c286ff10 R14: ffff90e6c286ff10 R15: ffff8afcc648b000 [ 63.893716] FS: 00007f14fd779580(0000) GS:ffff8afd3bc80000(0000) knlGS:0000000000000000 [ 63.902794] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.909240] CR2: 00007f14fd582000 CR3: 000000010399c000 CR4: 00000000003506e0 [ 63.917238] Call Trace: 5.10.165-cip24 #1 # [ 60.308669] Hardware name: Googl[ 63.920006] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 e Coral/Coral, BIOS 09/29/2020 # [ 60.321457] RIP: 0010:refc[ 63.931623] direct_entry.cold+0x2c/0x38 [ 63.942241] full_proxy_write+0x56/0x80 ount_warn_saturate+0x51/0x110 # [ 60.327323] Code: 84 bc 00 0[ 63.946563] vfs_write+0xea/0x3a0 [ 63.956493] ksys_write+0x68/0xf0 [ 63.960230] do_syscall_64+0x33/0x40 0 00 c3 cc cc cc cc 85 f6 74 46 80 3d 54 ed 93 01 00 75 ee 48 c7[ 63.964269] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 63.976127] RIP: 0033:0x7f14fd68f833 [ 63.980153] 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 [ 64.001186] RSP: 002b:00007fffaba53438 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 c7 88 fc 84 86 c6 05 44 ed 93 01 01 e8 86 b4 95 00 <0f> 0b c3 c[ 64.009676] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f14fd68f833 [ 64.023881] RDX: 0000000000000016 RSI: 00007f14fd582000 RDI: 0000000000000001 c cc cc cc 80 3d 30 ed 93 01 00 75 cb 48 c7 c7 b0 fc 84 # [ 6[ 64.031893] RBP: 00007f14fd582000 R08: 00007f14fd581010 R09: 0000000000000000 [ 64.046094] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 64.054101] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0.348340] RSP: 0018:ffff90e6c25e7e48 EFLAGS: 00010286 # [ 60.[ 64.062120] irq event stamp: 0 [ 64.071779] hardirqs last enabled at (0): [<0000000000000000>] 0x0 354206] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000[ 64.078851] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 000000000 # [ 60.362204] RDX: ffff8afd3bc2c660 RSI: ffff8afd3[ 64.094191] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 64.109528] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 64.116558] ---[ end trace 9e0e9468693c5779 ]--- bc1bf70 RDI: ffff8afd3bc1bf70 # [ 60.370200] RBP: ffffffff868[ 64.121742] lkdtm: Negative detected: saturated b45fd R08: 0000000000000000 R09: 0000000000000000 # [ 60.384389] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 60.392388] R13: ffff90e6c25e7f10 R14: ffff90e6c25e7f10 R15: ffff8afcc32e2000 # [ 60.400389] FS: 00007f8154cf4580(0000) GS:ffff8afd3bc00000(0000) knlGS:0000000000000000 # [ 60.409456] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.415901] CR2: 00007f8154afd000 CR3: 00000001041aa000 CR4: 00000000003506f0 # [ 60.423898] Call Trace: # [ 60.426664] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 # [ 60.432049] direct_entry.cold+0x2c/0x38 # [ 60.436466] full_proxy_write+0x56/0x80 # [ 60.440783] vfs_write+0xea/0x3a0 # [ 60.444517] ksys_write+0x68/0xf0 # [ 60.448254] do_syscall_64+0x33/0x40 # [ 60.452278] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 60.457954] RIP: 0033:0x7f8154c0a833 # [ 60.461976] 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 # [ 60.483003] RSP: 002b:00007ffeab2457f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.491492] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f8154c0a833 # [ 60.499493] RDX: 0000000000000016 RSI: 00007f8154afd000 RDI: 0000000000000001 # [ 60.507495] RBP: 00007f8154afd000 R08: 00007f8154afc010 R09: 0000000000000000 # [ 60.515496] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 60.523509] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 60.531520] irq event stamp: 0 # [ 60.541135] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 60.548166] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 60.557346] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 60.566526] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 60.573563] ---[ end trace 9e0e9468693c5774 ]--- # [ 60.578757] lkdtm: Overflow detected: saturated # REFCOUNT_INC_OVERFLOW: saw 'call trace:': ok ok 42 selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # [ 60.863147] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 60.870658] lkdtm: attempting good refcount_add() without overflow # [ 60.883823] lkdtm: attempting bad refcount_add() overflow # [ 60.896105] ------------[ cut here ]------------ # [ 60.907479] refcount_t: saturated; leaking memory. # [ 60.919396] WARNING: CPU: 3 PID: 2010 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 60.934795] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 60.957185] CPU: 3 PID: 2010 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 60.972111] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 60.984894] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 60.996902] Code: 84 bc 00 00 [ 64.429934] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE [ 64.439207] lkdtm: attempting bad refcount_dec_and_test() below zero 00 c3 cc cc cc cc 85 f6 74 46 80 3d 54 ed 93 01 00 75 ee 48 c7 c[ 64.446358] ------------[ cut here ]------------ [ 64.457749] refcount_t: underflow; use-after-free. 7 88 fc 84 86 c6 05 44 ed 93 01 01 e8 86 b4 95 00 <0f> 0b c3 cc [ 64.463176] WARNING: CPU: 1 PID: 2176 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 cc cc cc 80 3d 30 ed 93 01 00 75 cb 48 c7 c7 b0 fc 84 # [ 61.[ 64.478811] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 024136] RSP: 0018:ffff90e6c2687e48 EFLAGS: 00010286 # [ 61.03[ 64.501043] CPU: 1 PID: 2176 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 64.515956] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 64.522609] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 64.528478] Code: 01 01 e8 40 b4 95 00 0f 0b c3 cc cc cc cc 80 3d e9 ec 93 01 00 75 85 48 c7 c7 e0 fc 84 86 c6 05 d9 ec 93 01 01 e8 1d b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d c4 ec 93 01 00 0f 85 5e ff ff ff 48 c7 6184] RAX: 0000000000000000 RBX: 000000000000002c RCX: 000000000[ 64.549507] RSP: 0018:ffff90e6c28e7e40 EFLAGS: 00010286 [ 64.561603] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 [ 64.569624] RDX: ffff8afd3bcac660 RSI: ffff8afd3bc9bf70 RDI: ffff8afd3bc9bf70 [ 64.577626] RBP: ffffffff868b4290 R08: 0000000000000000 R09: 0000000000000000 [ 64.585631] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 64.593632] R13: ffff90e6c28e7f10 R14: ffff90e6c28e7f10 R15: ffff8afcc3654000 [ 64.601647] FS: 00007f648ba89580(0000) GS:ffff8afd3bc80000(0000) knlGS:0000000000000000 [ 64.610722] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.617173] CR2: 00007f648b892000 CR3: 0000000104e94000 CR4: 00000000003506e0 [ 64.625178] Call Trace: 0000000 # [ 61.050421] RDX: ffff8afd3bdac660 RSI: ffff8afd3bd[ 64.627947] __refcount_sub_and_test.constprop.0+0x3c/0x50 9bf70 RDI: ffff8afd3bd9bf70 # [ 61.064625] RBP: ffffffff868b4[ 64.640335] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 [ 64.652823] direct_entry.cold+0x2c/0x38 613 R08: 0000000000000000 R09: 0000000000000000 # [ 61.078864[ 64.657242] full_proxy_write+0x56/0x80 [ 64.667739] vfs_write+0xea/0x3a0 ] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000[ 64.671475] ksys_write+0x68/0xf0 [ 64.681401] do_syscall_64+0x33/0x40 016 # [ 61.093081] R13: ffff90e6c2687f10 R14: ffff90e6c2687f1[ 64.685444] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 64.697321] RIP: 0033:0x7f648b99f833 [ 64.701357] 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 [ 64.722386] RSP: 002b:00007ffc5567b808 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 0 R15: ffff8afcc548c000 # [ 61.107312] FS: 00007fd122708580([ 64.730879] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f648b99f833 [ 64.745078] RDX: 000000000000001f RSI: 00007f648b892000 RDI: 0000000000000001 0000) GS:ffff8afd3bd80000(0000) knlGS:0000000000000000 # [ 61[ 64.753077] RBP: 00007f648b892000 R08: 00007f648b891010 R09: 0000000000000000 [ 64.767284] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 64.775296] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 .122561] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ [ 64.783313] irq event stamp: 0 [ 64.792980] hardirqs last enabled at (0): [<0000000000000000>] 0x0 61.135226] CR2: 00007fd122511000 CR3: 0000000103298000 CR4: 00[ 64.800061] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 000000003506e0 # [ 61.149411] Call Trace: # [ 61.158412] [ 64.815425] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 64.830815] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 64.837849] ---[ end trace 9e0e9468693c577a ]--- [ 64.843040] lkdtm: Negative detected: saturated lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 61.169932] direct_entry.cold+0x2c/0x38 # [ 61.180583] full_proxy_write+0x56/0x80 # [ 61.191152] vfs_write+0xea/0x3a0 # [ 61.201021] ksys_write+0x68/0xf0 # [ 61.211001] do_syscall_64+0x33/0x40 # [ 61.221156] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 61.233051] RIP: 0033:0x7fd12261e833 # [ 61.243204] 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 # [ 61.270502] RSP: 002b:00007fff11118968 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 61.285151] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fd12261e833 # [ 61.299345] RDX: 0000000000000016 RSI: 00007fd122511000 RDI: 0000000000000001 # [ 61.313599] RBP: 00007fd122511000 R08: 00007fd122510010 R09: 0000000000000000 # [ 61.327790] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 61.342024] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 61.356301] irq event stamp: 0 # [ 61.365924] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 61.379173] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 61.394548] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 61.409959] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 61.423194] ---[ end trace 9e0e9468693c5775 ]--- # [ 61.434593] 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 # [ 61.759750] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 61.771136] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 61.778080] ------------[ cut here ]------------ # [ 61.783273] refcount_t: saturated; leaking memory. # [ 61.788700] WARNING: CPU: 2 PID: 2042 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 61.798166] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 61.814175] CPU: 2 PID: 2042 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 61.822884] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 61.829539] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 61.835406] Code: 01 01 e8 63 b4 95 00 0f 0b c3 cc cc cc cc 80 3d 0f ed 93 01 00 75 a8 48 c7 c7 88 fc 84 86 c6 05 ff ec 93 01 01 e8 40 b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d e9 ec 93 01 00 75 85 48 c7 c7 e0 fc 84 # [ 61.856450] RSP: 0018:ffff90e6c2707e38 EFLAGS: 00010282 # [ 61.862313] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 61.870316] RDX: ffff8afd3bd2c660 RSI: ffff8afd3bd1bf70 RDI: ffff8afd3bd1bf70 # [ 61.878329] RBP: ffffffff868b4250 R08: 0000000000000000 R09: 0000000000000000 # [ 61.886349] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 61.894359] R13: ffff90e6c2707f10 R14:[ 65.152270] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE ffff90e6c2707f10 R15: ffff8afcc2a18000 # [ 61.902374] FS: 0[ 65.160642] lkdtm: attempting bad refcount_sub_and_test() below zero 0007f12c9eac580(0000) GS:ffff8afd3bd00000(0000) knlGS:0000000000[ 65.173992] ------------[ cut here ]------------ 000000 # [ 61.911445] CS: 0010 DS: 0000 ES: 0000 CR0: 000000[ 65.185463] refcount_t: underflow; use-after-free. 0080050033 # [ 61.917900] CR2: 00007f12c9cb5000 CR3: 00000001[ 65.197318] WARNING: CPU: 3 PID: 2211 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 039ac000 CR4: 00000000003506e0 # [ 61.925901] Call Trace: # [ 65.212710] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 61.928665] __refcount_add_not_zero.constprop.0+0x2a/0x35 #[ 65.235089] CPU: 3 PID: 2211 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 61.934832] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 [ 65.250014] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 61.941095] direct_entry.cold+0x2c/0x38 # [ 61.945510][ 65.262890] RIP: 0010:refcount_warn_saturate+0xba/0x110 full_proxy_write+0x56/0x80 # [ 61.949833] vfs_write+0xea/0[ 65.274814] Code: 01 01 e8 40 b4 95 00 0f 0b c3 cc cc cc cc 80 3d e9 ec 93 01 00 75 85 48 c7 c7 e0 fc 84 86 c6 05 d9 ec 93 01 01 e8 1d b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d c4 ec 93 01 00 0f 85 5e ff ff ff 48 c7 x3a0 # [ 61.953567] ksys_write+0x68/0xf0 # [ 61.957309] [ 65.302184] RSP: 0018:ffff90e6c2947e40 EFLAGS: 00010286 do_syscall_64+0x33/0x40 # [ 61.961335] entry_SYSCALL_64_afte[ 65.314179] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 r_hwframe+0x61/0xc6 # [ 61.967008] RIP: 0033:0x7f12c9dc2833 [ 65.328444] RDX: ffff8afd3bdac660 RSI: ffff8afd3bd9bf70 RDI: ffff8afd3bd9bf70 # [ 61.971032] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0[ 65.342639] RBP: ffffffff868b42b0 R08: 0000000000000000 R09: 0000000000000000 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 [ 65.356883] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48[ 65.371077] R13: ffff90e6c2947f10 R14: ffff90e6c2947f10 R15: ffff8afcc3438000 83 ec 28 48 89 54 24 18 # [ 61.992071] RSP: 002b:00007ffe3e5[ 65.385329] FS: 00007fe5acf49580(0000) GS:ffff8afd3bd80000(0000) knlGS:0000000000000000 1a778 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.0005[ 65.400559] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 70] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f12c9d[ 65.413231] CR2: 00007fe5acd52000 CR3: 00000001037b4000 CR4: 00000000003506e0 c2833 # [ 62.008586] RDX: 000000000000001f RSI: 00007f12c9cb5[ 65.427430] Call Trace: 000 RDI: 0000000000000001 # [ 62.016611] RBP: 00007f12c9cb500[ 65.436446] __refcount_sub_and_test.constprop.0+0x3c/0x50 0 R08: 00007f12c9cb4010 R09: 0000000000000000 # [ 62.024628] [ 65.448739] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b R10: fffffffffffffbc5 R11: 0000000000000246 R12: 000000000000000[ 65.461420] direct_entry.cold+0x2c/0x38 1 # [ 62.032655] R13: 0000000000000001 R14: 0000000000020000 [ 65.471795] full_proxy_write+0x56/0x80 R15: 0000000000020000 # [ 62.040681] irq event stamp: 0 # [ [ 65.482437] vfs_write+0xea/0x3a0 62.050325] hardirqs last enabled at (0): [<0000000000000000>][ 65.492426] ksys_write+0x68/0xf0 0x0 # [ 62.057370] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 62.072753] softirqs [ 65.512428] entry_SYSCALL_64_after_hwframe+0x61/0xc6 last enabled at (0): [] copy_process+0x664/0x[ 65.524282] RIP: 0033:0x7fe5ace5f833 1cb0 # [ 62.081945] softirqs last disabled at (0): [<00000000[ 65.534480] 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 00000000>] 0x0 # [ 62.095229] ---[ end trace 9e0e9468693c5776[ 65.561774] RSP: 002b:00007ffc4e2eb568 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ]--- # [ 62.100426] lkdtm: Overflow detected: saturated # R[ 65.576418] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fe5ace5f833 EFCOUNT_INC_NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok 44 self[ 65.590660] RDX: 000000000000001f RSI: 00007fe5acd52000 RDI: 0000000000000001 tests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # selftests: lk[ 65.604857] RBP: 00007fe5acd52000 R08: 00007fe5acd51010 R09: 0000000000000000 dtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # [ 62.401376] lkdtm: [ 65.619126] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 62[ 65.633364] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 .412115] lkdtm: attempting bad refcount_add_not_zero() overflow [ 65.647633] irq event stamp: 0 # [ 62.419064] ------------[ cut here ]------------ # [ 62[ 65.657264] hardirqs last enabled at (0): [<0000000000000000>] 0x0 .424251] refcount_t: saturated; leaking memory. # [ 62.435889[ 65.670514] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 ] WARNING: CPU: 0 PID: 2074 at lib/refcount.c:19 refcount_warn_s[ 65.685936] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 aturate+0x97/0x110 # [ 62.451512] Modules linked in: fuse ip_[ 65.701319] softirqs last disabled at (0): [<0000000000000000>] 0x0 tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_ch[ 65.714573] ---[ end trace 9e0e9468693c577b ]--- ardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ [ 65.725959] lkdtm: Negative detected: saturated 62.467570] CPU: 0 PID: 2074 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 62.476264] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 62.482911] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 62.488785] Code: 01 01 e8 63 b4 95 00 0f 0b c3 cc cc cc cc 80 3d 0f ed 93 01 00 75 a8 48 c7 c7 88 fc 84 86 c6 05 ff ec 93 01 01 e8 40 b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d e9 ec 93 01 00 75 85 48 c7 c7 e0 fc 84 # [ 62.509830] RSP: 0018:ffff90e6c2697e38 EFLAGS: 00010282 # [ 62.521918] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 62.529927] RDX: ffff8afd3bc2c660 RSI: ffff8afd3bc1bf70 RDI: ffff8afd3bc1bf70 # [ 62.537929] RBP: ffffffff868b4270 R08: 0000000000000000 R09: 0000000000000000 # [ 62.545923] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 62.553926] R13: ffff90e6c2697f10 R14: ffff90e6c2697f10 R15: ffff8afcc5630000 # [ 62.561939] FS: 00007f77597fa580(0000) GS:ffff8afd3bc00000(0000) knlGS:0000000000000000 # [ 62.571014] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.577470] CR2: 00007f7759603000 CR3: 000000010320a000 CR4: 00000000003506f0 # [ 62.585474] Call Trace: # [ 62.588244] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 62.594422] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 62.600714] direct_entry.cold+0x2c/0x38 # [ 62.605135] full_proxy_write+0x56/0x80 # [ 62.609464] vfs_write+0xea/0x3a0 # [ 62.613196] ksys_write+0x68/0xf0 # [ 62.616936] do_syscall_64+0x33/0x40 # [ 62.620967] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 62.626651] RIP: 0033:0x7f7759710833 # [ 62.630677] 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 # [ 62.651712] RSP: 002b:00007ffc72bf3f88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.660213] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f7759710833 # [ 62.668214] RDX: 000000000000001f RSI: 00007f7759603000 RDI: 0000000000000001 # [ 62.676212] RBP: 00007f7759603000 R08: 00007f7759602010 R09: 0000000000000000 # [ 62.684217] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 62.692221] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 62.700228] irq event stamp: 0 # [ 62.709864] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 62.723132] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 62.732304] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 62.741478] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 62.748513] ---[ end trace 9e0e9468693c5777 ]--- # [ 62.753740] 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 # [ 63.052539] lkdtm: Performing direct entry REFCOUNT_[ 66.032827] lkdtm: Performing direct entry REFCOUNT_INC_ZERO [ 66.042450] lkdtm: attempting safe refcount_inc_not_zero() from zero DEC_ZERO # [ 63.063912] lkdtm: attempting good refcount_dec()[ 66.049609] lkdtm: Good: zero detected [ 66.060047] lkdtm: Correctly stayed at zero [ 66.064761] lkdtm: attempting bad refcount_inc() from zero [ 66.070937] ------------[ cut here ]------------ [ 66.076146] refcount_t: addition on 0; use-after-free. # [ 63.069218] lkdtm: attempting bad refcount_dec() to zero [ 66.081971] WARNING: CPU: 1 PID: 2243 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 63.075175] ------------[ cut here ]------------ # [ 63[ 66.097642] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 66.119881] CPU: 1 PID: 2243 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 66.128578] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 66.135224] RIP: 0010:refcount_warn_saturate+0x74/0x110 [ 66.141097] Code: 01 01 e8 86 b4 95 00 0f 0b c3 cc cc cc cc 80 3d 30 ed 93 01 00 75 cb 48 c7 c7 b0 fc 84 86 c6 05 20 ed 93 01 01 e8 63 b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 0f ed 93 01 00 75 a8 48 c7 c7 88 fc 84 .080352] refcount_t: decrement hit 0; leaking memory. # [ 63.[ 66.162147] RSP: 0018:ffff90e6c29e7e48 EFLAGS: 00010286 [ 66.174234] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 [ 66.182245] RDX: ffff8afd3bcac660 RSI: ffff8afd3bc9bf70 RDI: ffff8afd3bc9bf70 092570] WARNING: CPU: 0 PID: 2106 at lib/refcount.c:31 refcount_[ 66.190272] RBP: ffffffff868b4651 R08: 0000000000000000 R09: 0000000000000000 [ 66.204511] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 66.212533] R13: ffff90e6c29e7f10 R14: ffff90e6c29e7f10 R15: ffff8afcc548c000 [ 66.220555] FS: 00007f196a6a2580(0000) GS:ffff8afd3bc80000(0000) knlGS:0000000000000000 [ 66.229638] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.236089] CR2: 00007f196a4ab000 CR3: 000000010399c000 CR4: 00000000003506e0 [ 66.244101] Call Trace: [ 66.246876] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 warn_saturate+0xfb/0x110 # [ 63.102035] Modules linked in: fu[ 66.251888] direct_entry.cold+0x2c/0x38 [ 66.262506] full_proxy_write+0x56/0x80 [ 66.266836] vfs_write+0xea/0x3a0 [ 66.270575] ksys_write+0x68/0xf0 se ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros[ 66.274324] do_syscall_64+0x33/0x40 [ 66.284582] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 66.290282] RIP: 0033:0x7f196a5b8833 [ 66.294311] 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 _ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 66.315349] RSP: 002b:00007ffc5aff49d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.124245] CPU: 0 PID: 2106 Comm: cat Tainted: G D W [ 66.330061] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f196a5b8833 [ 66.344271] RDX: 0000000000000012 RSI: 00007f196a4ab000 RDI: 0000000000000001 5.10.165-cip24 #1 # [ 63.132959] Hardware name: Googl[ 66.352306] RBP: 00007f196a4ab000 R08: 00007f196a4aa010 R09: 0000000000000000 [ 66.366480] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 66.374484] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 e Coral/Coral, BIOS 09/29/2020 # [ 63.139608] RIP: 0010:refc[ 66.382518] irq event stamp: 0 [ 66.392170] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ount_warn_saturate+0xfb/0x110 # [ 63.145474] Code: 38 fd 84 8[ 66.399265] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 6 c6 05 b0 ec 93 01 01 e8 f6 b3 95 00 0f 0b c3 cc cc cc cc 48 c7[ 66.414661] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 66.430033] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 66.437074] ---[ end trace 9e0e9468693c577c ]--- [ 66.442260] lkdtm: Zero detected: saturated c7 08 fd 84 86 c6 05 97 ec 93 01 01 e8 dc b3 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 63.166508] RSP: 0018:ffff90e6c27a7e48 EFLAGS: 00010286 # [ 63.172378] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 63.180377] RDX: ffff8afd3bc2c660 RSI: ffff8afd3bc1bf70 RDI: ffff8afd3bc1bf70 # [ 63.188375] RBP: ffffffff868b4629 R08: 0000000000000000 R09: 0000000000000000 # [ 63.196376] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 63.204381] R13: ffff90e6c27a7f10 R14: ffff90e6c27a7f10 R15: ffff8afcc37d3000 # [ 63.212384] FS: 00007f1c6a993580(0000) GS:ffff8afd3bc00000(0000) knlGS:0000000000000000 # [ 63.221453] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.227897] CR2: 00007f1c6a79c000 CR3: 0000000104cae000 CR4: 00000000003506f0 # [ 63.235899] Call Trace: # [ 63.238655] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 63.243658] direct_entry.cold+0x2c/0x38 # [ 63.248078] full_proxy_write+0x56/0x80 # [ 63.252398] vfs_write+0xea/0x3a0 # [ 63.256136] ksys_write+0x68/0xf0 # [ 63.259866] do_syscall_64+0x33/0x40 # [ 63.263892] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 63.269568] RIP: 0033:0x7f1c6a8a9833 # [ 63.273594] 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 # [ 63.294653] RSP: 002b:00007ffe7a03b938 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.309355] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f1c6a8a9833 # [ 63.317355] RDX: 0000000000000012 RSI: 00007f1c6a79c000 RDI: 0000000000000001 # [ 63.325357] RBP: 00007f1c6a79c000 R08: 00007f1c6a79b010 R09: 0000000000000000 # [ 63.333363] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 63.341370] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 63.349383] irq event stamp: 0 # [ 63.359014] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 63.372254] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 63.381425] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 63.390605] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 63.397645] ---[ end trace 9e0e9468693c5778 ]--- # [ 63.402834] 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 # [ 63.710380] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 63.719143] lkdtm: attempting bad refcount_dec() below zero # [ 63.731629] ------------[ cut here ]------------ # [ 63.743024] refcount_t: decrement hit 0; leaking memory. # [ 63.749035] WARNING: CPU: 1 PID: 2141 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 63.764689] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 63.786927] CP[ 66.747889] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO [ 66.758217] lkdtm: attempting safe refcount_add_not_zero() from zero U: 1 PID: 2141 Comm: cat Tainted: G D W 5.10.165-ci[ 66.765362] lkdtm: Good: zero detected [ 66.775773] lkdtm: Correctly stayed at zero [ 66.780472] lkdtm: attempting bad refcount_add() from zero [ 66.786630] ------------[ cut here ]------------ [ 66.791809] refcount_t: addition on 0; use-after-free. [ 66.797628] WARNING: CPU: 0 PID: 2275 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 [ 66.807101] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 66.823114] CPU: 0 PID: 2275 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 66.831799] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 66.838447] RIP: 0010:refcount_warn_saturate+0x74/0x110 p24 #1 # [ 63.801845] Hardware name: Google Coral/Coral, BIOS[ 66.844311] Code: 01 01 e8 86 b4 95 00 0f 0b c3 cc cc cc cc 80 3d 30 ed 93 01 00 75 cb 48 c7 c7 b0 fc 84 86 c6 05 20 ed 93 01 01 e8 63 b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 0f ed 93 01 00 75 a8 48 c7 c7 88 fc 84 [ 66.871578] RSP: 0018:ffff90e6c2a6fe48 EFLAGS: 00010286 [ 66.877452] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 [ 66.885453] RDX: ffff8afd3bc2c660 RSI: ffff8afd3bc1bf70 RDI: ffff8afd3bc1bf70 [ 66.893461] RBP: ffffffff868b4663 R08: 0000000000000000 R09: 0000000000000000 [ 66.901468] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 66.909477] R13: ffff90e6c2a6ff10 R14: ffff90e6c2a6ff10 R15: ffff8afcc371d000 [ 66.917491] FS: 00007f6bb5a5e580(0000) GS:ffff8afd3bc00000(0000) knlGS:0000000000000000 [ 66.926562] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.933019] CR2: 00007f6bb5867000 CR3: 0000000106422000 CR4: 00000000003506f0 [ 66.941038] Call Trace: [ 66.943808] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 [ 66.948818] direct_entry.cold+0x2c/0x38 [ 66.953240] full_proxy_write+0x56/0x80 [ 66.957567] vfs_write+0xea/0x3a0 [ 66.961305] ksys_write+0x68/0xf0 [ 66.965042] do_syscall_64+0x33/0x40 [ 66.969067] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 66.974741] RIP: 0033:0x7f6bb5974833 [ 66.978762] 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 [ 66.999804] RSP: 002b:00007ffe9fa4aad8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 09/29/2020 # [ 63.808489] RIP: 0010:refcount_warn_saturate+[ 67.008309] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f6bb5974833 [ 67.022507] RDX: 0000000000000012 RSI: 00007f6bb5867000 RDI: 0000000000000001 [ 67.030508] RBP: 00007f6bb5867000 R08: 00007f6bb5866010 R09: 0000000000000000 [ 67.038509] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 67.046512] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0xfb/0x110 # [ 63.814357] Code: 38 fd 84 86 c6 05 b0 ec 93 01[ 67.054519] irq event stamp: 0 [ 67.064169] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 67.071212] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 67.080394] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 67.089570] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 67.096647] ---[ end trace 9e0e9468693c577d ]--- [ 67.101867] lkdtm: Zero detected: saturated 01 e8 f6 b3 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 08 fd 84 86 c6 05 97 ec 93 01 01 e8 dc b3 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 63.835394] RSP: 0018:ffff90e6c286fe48 EFLAGS: 00010286 # [ 63.841260] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 63.855472] RDX: ffff8afd3bcac660 RSI: ffff8afd3bc9bf70 RDI: ffff8afd3bc9bf70 # [ 63.869703] RBP: ffffffff868b463b R08: 0000000000000000 R09: 0000000000000000 # [ 63.877706] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 63.885713] R13: ffff90e6c286ff10 R14: ffff90e6c286ff10 R15: ffff8afcc648b000 # [ 63.893716] FS: 00007f14fd779580(0000) GS:ffff8afd3bc80000(0000) knlGS:0000000000000000 # [ 63.902794] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.909240] CR2: 00007f14fd582000 CR3: 000000010399c000 CR4: 00000000003506e0 # [ 63.917238] Call Trace: # [ 63.920006] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 63.931623] direct_entry.cold+0x2c/0x38 # [ 63.942241] full_proxy_write+0x56/0x80 # [ 63.946563] vfs_write+0xea/0x3a0 # [ 63.956493] ksys_write+0x68/0xf0 # [ 63.960230] do_syscall_64+0x33/0x40 # [ 63.964269] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 63.976127] RIP: 0033:0x7f14fd68f833 # [ 63.980153] 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 # [ 64.001186] RSP: 002b:00007fffaba53438 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 64.009676] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f14fd68f833 # [ 64.023881] RDX: 0000000000000016 RSI: 00007f14fd582000 RDI: 0000000000000001 # [ 64.031893] RBP: 00007f14fd582000 R08: 00007f14fd581010 R09: 0000000000000000 # [ 64.046094] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 64.054101] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 64.062120] irq event stamp: 0 # [ 64.071779] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.078851] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 64.094191] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 64.109528] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.116558] ---[ end trace 9e0e9468693c5779 ]--- # [ 64.121742] 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 # [ 64.429934] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 64.439207] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 64.446358] ------------[ cut here ]------------ # [ 64.457749] refcount_t: underflow; use-after-free. # [ 64.463176] WARNING: CPU: 1 PID: 2176 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 64.478811] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 64.501043] CPU: 1 PID: 2176 Comm: cat Tain[ 67.421341] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED [ 67.430957] lkdtm: attempting bad refcount_inc() from saturated [ 67.437619] ------------[ cut here ]------------ ted: G D W 5.10.165-cip24 #1 # [ 64.515956] Hard[ 67.442801] refcount_t: saturated; leaking memory. ware name: Google Coral/Coral, BIOS 09/29/2020 # [ 64.522609[ 67.454435] WARNING: CPU: 2 PID: 2310 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 [ 67.470055] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 67.486071] CPU: 2 PID: 2310 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 67.494753] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 67.501398] RIP: 0010:refcount_warn_saturate+0x51/0x110 ] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 64.528478] [ 67.507267] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 54 ed 93 01 00 75 ee 48 c7 c7 88 fc 84 86 c6 05 44 ed 93 01 01 e8 86 b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 30 ed 93 01 00 75 cb 48 c7 c7 b0 fc 84 [ 67.534495] RSP: 0018:ffff90e6c2af7e48 EFLAGS: 00010286 [ 67.540365] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 [ 67.548367] RDX: ffff8afd3bd2c660 RSI: ffff8afd3bd1bf70 RDI: ffff8afd3bd1bf70 [ 67.556376] RBP: ffffffff868b4675 R08: 0000000000000000 R09: 0000000000000000 [ 67.564375] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 67.572374] R13: ffff90e6c2af7f10 R14: ffff90e6c2af7f10 R15: ffff8afcc4f69000 [ 67.580380] FS: 00007f463fc7e580(0000) GS:ffff8afd3bd00000(0000) knlGS:0000000000000000 [ 67.589471] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.595926] CR2: 00007f463fa87000 CR3: 0000000106458000 CR4: 00000000003506e0 [ 67.603945] Call Trace: [ 67.606717] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 [ 67.612226] direct_entry.cold+0x2c/0x38 Code: 01 01 e8 40 b4 95 00 0f 0b c3 cc cc cc cc 80 3d e9 ec 93 0[ 67.616650] full_proxy_write+0x56/0x80 [ 67.627178] vfs_write+0xea/0x3a0 [ 67.630918] ksys_write+0x68/0xf0 [ 67.634660] do_syscall_64+0x33/0x40 [ 67.638695] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 67.644388] RIP: 0033:0x7f463fb94833 [ 67.648420] 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 [ 67.669492] RSP: 002b:00007ffcb2c634e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 67.678003] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f463fb94833 [ 67.686019] RDX: 0000000000000017 RSI: 00007f463fa87000 RDI: 0000000000000001 [ 67.694036] RBP: 00007f463fa87000 R08: 00007f463fa86010 R09: 0000000000000000 [ 67.702058] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 67.710071] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 1 00 75 85 48 c7 c7 e0 fc 84 86 c6 05 d9 ec 93 01 01 e8 1d b4 95[ 67.718079] irq event stamp: 0 [ 67.727723] hardirqs last enabled at (0): [<0000000000000000>] 0x0 00 <0f> 0b c3 cc cc cc cc 80 3d c4 ec 93 01 00 0f 85 5e ff ff f[ 67.734751] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 67.750139] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 67.759322] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 67.766354] ---[ end trace 9e0e9468693c577e ]--- [ 67.771533] lkdtm: Saturation detected: still saturated f 48 c7 # [ 64.549507] RSP: 0018:ffff90e6c28e7e40 EFLAGS: 00010286 # [ 64.561603] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 64.569624] RDX: ffff8afd3bcac660 RSI: ffff8afd3bc9bf70 RDI: ffff8afd3bc9bf70 # [ 64.577626] RBP: ffffffff868b4290 R08: 0000000000000000 R09: 0000000000000000 # [ 64.585631] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 64.593632] R13: ffff90e6c28e7f10 R14: ffff90e6c28e7f10 R15: ffff8afcc3654000 # [ 64.601647] FS: 00007f648ba89580(0000) GS:ffff8afd3bc80000(0000) knlGS:0000000000000000 # [ 64.610722] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.617173] CR2: 00007f648b892000 CR3: 0000000104e94000 CR4: 00000000003506e0 # [ 64.625178] Call Trace: # [ 64.627947] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 64.640335] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 64.652823] direct_entry.cold+0x2c/0x38 # [ 64.657242] full_proxy_write+0x56/0x80 # [ 64.667739] vfs_write+0xea/0x3a0 # [ 64.671475] ksys_write+0x68/0xf0 # [ 64.681401] do_syscall_64+0x33/0x40 # [ 64.685444] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 64.697321] RIP: 0033:0x7f648b99f833 # [ 64.701357] 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 # [ 64.722386] RSP: 002b:00007ffc5567b808 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 64.730879] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f648b99f833 # [ 64.745078] RDX: 000000000000001f RSI: 00007f648b892000 RDI: 0000000000000001 # [ 64.753077] RBP: 00007f648b892000 R08: 00007f648b891010 R09: 0000000000000000 # [ 64.767284] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 64.775296] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 64.783313] irq event stamp: 0 # [ 64.792980] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.800061] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 64.815425] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 64.830815] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.837849] ---[ end trace 9e0e9468693c577a ]--- # [ 64.843040] lkdtm: Negative detected: saturated # REFCOUNT_DEC_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 48 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh # [ 65.152270] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 65.160642] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 65.173992] ------------[ cut here ]------------ # [ 65.185463] refcount_t: underflow; use-after-free. # [ 65.197318] WARNING: CPU: 3 PID: 2211 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 65.212710] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 65.235089] CPU: 3 PID: 2211 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 65.250014] Hardw[ 68.089943] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED [ 68.101521] lkdtm: attempting bad refcount_dec() from saturated are name: Google Coral/Coral, BIOS 09/29/2020 # [ 65.262890][ 68.108208] ------------[ cut here ]------------ [ 68.119640] refcount_t: decrement hit 0; leaking memory. RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 65.274814] C[ 68.125675] WARNING: CPU: 2 PID: 2345 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 [ 68.141372] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 68.157420] CPU: 2 PID: 2345 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 68.166121] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 68.172781] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 68.178657] Code: 38 fd 84 86 c6 05 b0 ec 93 01 01 e8 f6 b3 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 08 fd 84 86 c6 05 97 ec 93 01 01 e8 dc b3 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 68.199687] RSP: 0018:ffff90e6c2b77e48 EFLAGS: 00010286 [ 68.205558] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 [ 68.213574] RDX: ffff8afd3bd2c660 RSI: ffff8afd3bd1bf70 RDI: ffff8afd3bd1bf70 [ 68.221590] RBP: ffffffff868b468c R08: 0000000000000000 R09: 0000000000000000 [ 68.229613] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 68.237631] R13: ffff90e6c2b77f10 R14: ffff90e6c2b77f10 R15: ffff8afcc6518000 [ 68.245656] FS: 00007fcb61fa2580(0000) GS:ffff8afd3bd00000(0000) knlGS:0000000000000000 [ 68.254742] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ode: 01 01 e8 40 b4 95 00 0f 0b c3 cc cc cc cc 80 3d e9 ec 93 01[ 68.261192] CR2: 00007fcb61dab000 CR3: 0000000104e84000 CR4: 00000000003506e0 [ 68.275419] Call Trace: [ 68.278188] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f 00 75 85 48 c7 c7 e0 fc 84 86 c6 05 d9 ec 93 01 01 e8 1d b4 95 [ 68.283678] direct_entry.cold+0x2c/0x38 [ 68.294289] full_proxy_write+0x56/0x80 00 <0f> 0b c3 cc cc cc cc 80 3d c4 ec 93 01 00 0f 85 5e ff ff ff[ 68.298613] vfs_write+0xea/0x3a0 [ 68.308535] ksys_write+0x68/0xf0 [ 68.312274] do_syscall_64+0x33/0x40 [ 68.316304] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 68.321982] RIP: 0033:0x7fcb61eb8833 [ 68.326001] 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 [ 68.347024] RSP: 002b:00007ffcd3e016b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 68.355515] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fcb61eb8833 [ 68.363531] RDX: 0000000000000017 RSI: 00007fcb61dab000 RDI: 0000000000000001 [ 68.371526] RBP: 00007fcb61dab000 R08: 00007fcb61daa010 R09: 0000000000000000 [ 68.379525] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 68.387522] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 48 c7 # [ 65.302184] RSP: 0018:ffff90e6c2947e40 EFLAGS: 0001[ 68.395532] irq event stamp: 0 0286 # [ 65.314179] RAX: 0000000000000000 RBX: 00000000000000[ 68.405185] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 68.418472] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 68.427668] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 68.436868] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 68.443914] ---[ end trace 9e0e9468693c577f ]--- [ 68.449105] lkdtm: Saturation detected: still saturated 32 RCX: 0000000000000000 # [ 65.328444] RDX: ffff8afd3bdac660 RSI: ffff8afd3bd9bf70 RDI: ffff8afd3bd9bf70 # [ 65.342639] RBP: ffffffff868b42b0 R08: 0000000000000000 R09: 0000000000000000 # [ 65.356883] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 65.371077] R13: ffff90e6c2947f10 R14: ffff90e6c2947f10 R15: ffff8afcc3438000 # [ 65.385329] FS: 00007fe5acf49580(0000) GS:ffff8afd3bd80000(0000) knlGS:0000000000000000 # [ 65.400559] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.413231] CR2: 00007fe5acd52000 CR3: 00000001037b4000 CR4: 00000000003506e0 # [ 65.427430] Call Trace: # [ 65.436446] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 65.448739] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b # [ 65.461420] direct_entry.cold+0x2c/0x38 # [ 65.471795] full_proxy_write+0x56/0x80 # [ 65.482437] vfs_write+0xea/0x3a0 # [ 65.492426] ksys_write+0x68/0xf0 # [ 65.502191] do_syscall_64+0x33/0x40 # [ 65.512428] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 65.524282] RIP: 0033:0x7fe5ace5f833 # [ 65.534480] 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 # [ 65.561774] RSP: 002b:00007ffc4e2eb568 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.576418] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fe5ace5f833 # [ 65.590660] RDX: 000000000000001f RSI: 00007fe5acd52000 RDI: 0000000000000001 # [ 65.604857] RBP: 00007fe5acd52000 R08: 00007fe5acd51010 R09: 0000000000000000 # [ 65.619126] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 65.633364] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.647633] irq event stamp: 0 # [ 65.657264] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.670514] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 65.685936] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 65.701319] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.714573] ---[ end trace 9e0e9468693c577b ]--- # [ 65.725959] 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 # [ 66.032827] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 66.042450] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 66.049609] lkdtm: Good: zero detected # [ 66.060047] lkdtm: Correctly stayed at zero # [ 66.064761] lkdtm: attempting bad refcount_inc() from zero # [ 66.070937] ------------[ cut here ]------------ # [ 66.076146] refcount_t: addition on 0; use-after-free. # [ 66.081971] WARNING: CPU: 1 PID: 2243 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 66.097642] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.119881] CPU: 1 PID: 2243 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 66.1285[ 68.767039] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED 78] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 6[ 68.779517] lkdtm: attempting bad refcount_dec() from saturated 6.135224] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 66.[ 68.792423] ------------[ cut here ]------------ 141097] Code: 01 01 e8 86 b4 95 00 0f 0b c3 cc cc cc cc 80 3d 30[ 68.803826] refcount_t: saturated; leaking memory. ed 93 01 00 75 cb 48 c7 c7 b0 fc 84 86 c6 05 20 ed 93 01 01 e8 [ 68.815447] WARNING: CPU: 3 PID: 2380 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 63 b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 0f ed 93 01 00 75 a8 48[ 68.831156] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify c7 c7 88 fc 84 # [ 66.162147] RSP: 0018:ffff90e6c29e7e48 EFL[ 68.853345] CPU: 3 PID: 2380 Comm: cat Tainted: G D W 5.10.165-cip24 #1 AGS: 00010286 # [ 66.174234] RAX: 0000000000000000 RBX: 00000[ 68.868226] Hardware name: Google Coral/Coral, BIOS 09/29/2020 00000000033 RCX: 0000000000000000 # [ 66.182245] RDX: ffff8af[ 68.881066] RIP: 0010:refcount_warn_saturate+0x51/0x110 d3bcac660 RSI: ffff8afd3bc9bf70 RDI: ffff8afd3bc9bf70 # [ 66.[ 68.893140] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 54 ed 93 01 00 75 ee 48 c7 c7 88 fc 84 86 c6 05 44 ed 93 01 01 e8 86 b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 30 ed 93 01 00 75 cb 48 c7 c7 b0 fc 84 190272] RBP: ffffffff868b4651 R08: 0000000000000000 R09: 0000000[ 68.920397] RSP: 0018:ffff90e6c2befe48 EFLAGS: 00010286 000000000 # [ 66.204511] R10: 00000000ffffe000 R11: 3ffffffff[ 68.932455] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 fffffff R12: 0000000000000012 # [ 66.212533] R13: ffff90e6c29[ 68.946706] RDX: ffff8afd3bdac660 RSI: ffff8afd3bd9bf70 RDI: ffff8afd3bd9bf70 e7f10 R14: ffff90e6c29e7f10 R15: ffff8afcc548c000 # [ 66.2205[ 68.960901] RBP: ffffffff868b46a3 R08: 0000000000000000 R09: 0000000000000000 55] FS: 00007f196a6a2580(0000) GS:ffff8afd3bc80000(0000) knlGS:[ 68.975129] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 0000000000000000 # [ 66.229638] CS: 0010 DS: 0000 ES: 0000 C[ 68.989325] R13: ffff90e6c2beff10 R14: ffff90e6c2beff10 R15: ffff8afcc2b1f000 R0: 0000000080050033 # [ 66.236089] CR2: 00007f196a4ab000 CR3[ 69.003535] FS: 00007fa2c5ce7580(0000) GS:ffff8afd3bd80000(0000) knlGS:0000000000000000 : 000000010399c000 CR4: 00000000003506e0 # [ 66.244101] Call [ 69.018856] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Trace: # [ 66.246876] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [[ 69.031485] CR2: 00007fa2c5af0000 CR3: 000000010548c000 CR4: 00000000003506e0 66.251888] direct_entry.cold+0x2c/0x38 # [ 66.262506] fu[ 69.045709] Call Trace: ll_proxy_write+0x56/0x80 # [ 66.266836] vfs_write+0xea/0x3a0[ 69.054723] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 66.270575] ksys_write+0x68/0xf0 # [ 66.274324] do_s[ 69.066668] direct_entry.cold+0x2c/0x38 yscall_64+0x33/0x40 # [ 66.284582] entry_SYSCALL_64_after_hw[ 69.077013] full_proxy_write+0x56/0x80 frame+0x61/0xc6 # [ 66.290282] RIP: 0033:0x7f196a5b8833 # [ [ 69.087721] vfs_write+0xea/0x3a0 66.294311] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff [ 69.097616] ksys_write+0x68/0xf0 ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 0[ 69.107384] do_syscall_64+0x33/0x40 1 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 [ 69.117751] entry_SYSCALL_64_after_hwframe+0x61/0xc6 ec 28 48 89 54 24 18 # [ 66.315349] RSP: 002b:00007ffc5aff49d[ 69.129576] RIP: 0033:0x7fa2c5bfd833 8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.330061] [ 69.139868] 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 RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f196a5b883[ 69.167004] RSP: 002b:00007ffe8ba88048 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 3 # [ 66.344271] RDX: 0000000000000012 RSI: 00007f196a4ab000 [ 69.181750] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fa2c5bfd833 RDI: 0000000000000001 # [ 66.352306] RBP: 00007f196a4ab000 R0[ 69.195913] RDX: 0000000000000017 RSI: 00007fa2c5af0000 RDI: 0000000000000001 8: 00007f196a4aa010 R09: 0000000000000000 # [ 66.366480] R10:[ 69.210170] RBP: 00007fa2c5af0000 R08: 00007fa2c5aef010 R09: 0000000000000000 fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 #[ 69.224351] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 66.374484] R13: 0000000000000001 R14: 0000000000020000 R15:[ 69.238586] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0000000000020000 # [ 66.382518] irq event stamp: 0 # [ 66[ 69.252796] irq event stamp: 0 .392170] hardirqs last enabled at (0): [<0000000000000000>] 0x0[ 69.262464] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.399265] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 0cb4>] copy_process+0x664/0x1cb0 # [ 66.414661] softirqs last[ 69.291112] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 enabled at (0): [] copy_process+0x664/0x1cb0[ 69.306495] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.430033] softirqs last disabled at (0): [<000000000000[ 69.319790] ---[ end trace 9e0e9468693c5780 ]--- 0000>] 0x0 # [ 66.437074] ---[ end trace 9e0e9468693c577c ]--[ 69.331186] lkdtm: Saturation detected: still saturated - # [ 66.442260] 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 # [ 66.747889] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 66.758217] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 66.765362] lkdtm: Good: zero detected # [ 66.775773] lkdtm: Correctly stayed at zero # [ 66.780472] lkdtm: attempting bad refcount_add() from zero # [ 66.786630] ------------[ cut here ]------------ # [ 66.791809] refcount_t: addition on 0; use-after-free. # [ 66.797628] WARNING: CPU: 0 PID: 2275 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 66.807101] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.823114] CPU: 0 PID: 2275 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 66.831799] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 66.838447] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 66.844311] Code: 01 01 e8 86 b4 95 00 0f 0b c3 cc cc cc cc 80 3d 30 ed 93 01 00 75 cb 48 c7 c7 b0 fc 84 86 c6 05 20 ed 93 01 01 e8 63 b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 0f ed 93 01 00 75 a8 48 c7 c7 88 fc 84 # [ 66.871578] RSP: 0018:ffff90e6c2a6fe48 EFLAGS: 00010286 # [ 66.877452] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 66.885453] RDX: ffff8afd3bc2c660 RSI: ffff8afd3bc1bf70 RDI: ffff8afd3bc1bf70 # [ 66.893461] RBP: ffffffff868b4663 R08: 0000000000000000 R09: 0000000000000000 # [ 66.901468] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 66.909477] R13: ffff90e6c2a6ff10 R14: ffff90e6c2a6ff10 R15: ffff8afcc371d000 # [ 66.917491] FS: 00007f6bb5a5e580(0000) GS:ffff8afd3bc00000(0000) knlGS:0000000000000000 # [ 66.926562] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.933019] CR2: 00007f6bb5867000 CR3: 0000000106422000 CR4: 00000000003506f0 # [ 66.941038] Call Trace: # [ 66.943808] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 66.948818] direct_entry.cold+0x2c/0x38 # [ 66.953240] full_proxy_write+0x56/0x80 # [ 66.957567] vfs_write+0xea/0x3a0 # [ 66.961305] ksys_write+0x68/0xf0 # [ 66.965042] do_syscall_64+0x33/0x40 # [ 66.969067] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 66.974741] RIP: 0033:0x7f6bb5974833 # [ 66.978762] 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 # [ 66.999804] RSP: 002b:00007ffe9fa4aad8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.008309] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f6bb5974833 # [ 67.022507] RDX: 0000000000000012 RSI: 00007f6bb5867000 RDI: 0000000000000001 # [ 67.030508] RBP: 00007f6bb5867000 R08: 00007f6bb5866010 R09: 0000000000000000 # [ 67.038509] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 67.046512] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.054519] irq event stamp: 0 # [ 67.064169] hardirqs last enabled at (0): [<0000000000[ 69.655889] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED [ 69.668471] lkdtm: attempting bad refcount_inc_not_zero() from saturated [ 69.676010] ------------[ cut here ]------------ 000000>] 0x0 # [ 67.071212] hardirqs last disabled at (0): [<[ 69.681212] refcount_t: saturated; leaking memory. ffffffff84f00cb4>] copy_process+0x664/0x1cb0 # [ 67.080394] s[ 69.692845] WARNING: CPU: 2 PID: 2412 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 [ 69.708493] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 69.724520] CPU: 2 PID: 2412 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 69.733209] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 69.739859] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 69.745769] Code: 01 01 e8 63 b4 95 00 0f 0b c3 cc cc cc cc 80 3d 0f ed 93 01 00 75 a8 48 c7 c7 88 fc 84 86 c6 05 ff ec 93 01 01 e8 40 b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d e9 ec 93 01 00 75 85 48 c7 c7 e0 fc 84 [ 69.766844] RSP: 0018:ffff90e6c2c67e38 EFLAGS: 00010282 [ 69.772719] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 69.780707] RDX: ffff8afd3bd2c660 RSI: ffff8afd3bd1bf70 RDI: ffff8afd3bd1bf70 [ 69.788719] RBP: ffffffff868b42d0 R08: 0000000000000000 R09: 0000000000000000 [ 69.796739] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 69.804761] R13: ffff90e6c2c67f10 R14: ffff90e6c2c67f10 R15: ffff8afcc55be000 [ 69.812774] FS: 00007fa2b89c7580(0000) GS:ffff8afd3bd00000(0000) knlGS:0000000000000000 [ 69.821866] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.828319] CR2: 00007fa2b87d0000 CR3: 0000000104fce000 CR4: 00000000003506e0 [ 69.836335] Call Trace: oftirqs last enabled at (0): [] copy_process+[ 69.839098] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 69.851485] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 [ 69.857835] direct_entry.cold+0x2c/0x38 [ 69.862255] full_proxy_write+0x56/0x80 [ 69.866567] vfs_write+0xea/0x3a0 [ 69.870307] ksys_write+0x68/0xf0 [ 69.874048] do_syscall_64+0x33/0x40 [ 69.878077] entry_SYSCALL_64_after_hwframe+0x61/0xc6 0x664/0x1cb0 # [ 67.089570] softirqs last disabled at (0): [<[ 69.883751] RIP: 0033:0x7fa2b88dd833 [ 69.893985] 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 [ 69.915019] RSP: 002b:00007fff74316738 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 69.923509] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fa2b88dd833 [ 69.931515] RDX: 0000000000000020 RSI: 00007fa2b87d0000 RDI: 0000000000000001 [ 69.939529] RBP: 00007fa2b87d0000 R08: 00007fa2b87cf010 R09: 0000000000000000 [ 69.947546] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 69.955544] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0000000000000000>] 0x0 # [ 67.096647] ---[ end trace 9e0e9468[ 69.963553] irq event stamp: 0 [ 69.973183] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 69.980219] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 69.989394] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 69.998574] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 70.005610] ---[ end trace 9e0e9468693c5781 ]--- [ 70.010798] lkdtm: Saturation detected: still saturated 693c577d ]--- # [ 67.101867] 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 # [ 67.421341] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 67.430957] lkdtm: attempting bad refcount_inc() from saturated # [ 67.437619] ------------[ cut here ]------------ # [ 67.442801] refcount_t: saturated; leaking memory. # [ 67.454435] WARNING: CPU: 2 PID: 2310 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 67.470055] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 67.486071] CPU: 2 PID: 2310 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 67.494753] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 67.501398] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 67.507267] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 54 ed 93 01 00 75 ee 48 c7 c7 88 fc 84 86 c6 05 44 ed 93 01 01 e8 86 b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 30 ed 93 01 00 75 cb 48 c7 c7 b0 fc 84 # [ 67.534495] RSP: 0018:ffff90e6c2af7e48 EFLAGS: 00010286 # [ 67.540365] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 67.548367] RDX: ffff8afd3bd2c660 RSI: ffff8afd3bd1bf70 RDI: ffff8afd3bd1bf70 # [ 67.556376] RBP: ffffffff868b4675 R08: 0000000000000000 R09: 0000000000000000 # [ 67.564375] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 67.572374] R13: ffff90e6c2af7f10 R14: ffff90e6c2af7f10 R15: ffff8afcc4f69000 # [ 67.580380] FS: 00007f463fc7e580(0000) GS:ffff8afd3bd00000(0000) knlGS:0000000000000000 # [ 67.589471] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.595926] CR2: 00007f463fa87000 CR3: 0000000106458000 CR4: 00000000003506e0 # [ 67.603945] Call Trace: # [ 67.606717] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 67.612226] direct_entry.cold+0x2c/0x38 # [ 67.616650] full_proxy_write+0x56/0x80 # [ 67.627178] vfs_write+0xea/0x3a0 # [ 67.630918] ksys_write+0x68/0xf0 # [ 67.634660] do_syscall_64+0x33/0x40 # [ 67.638695] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 67.644388] RIP: 0033:0x7f463fb94833 # [ 67.648420] 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 # [ 67.669492] RSP: 002b:00007ffcb2c634e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.678003] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f463fb94833 # [ 67.686019] RDX: 0000000000000017 RSI: 00007f463fa87000 RDI: 0000000000000001 # [ 67.694036] RBP: 00007f463fa87000 R08: 00007f463fa86010 R09: 0000000000000000 # [ 67.702058] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 67.710071] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.718079] irq event stamp: 0 # [ 67.727723] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.734751] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 67.750139] softirqs last [ 70.329612] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED [ 70.341961] lkdtm: attempting bad refcount_add_not_zero() from saturated [ 70.349510] ------------[ cut here ]------------ enabled at (0): [] copy_process+0x664/0x1cb0 [ 70.354701] refcount_t: saturated; leaking memory. # [ 67.759322] softirqs last disabled at (0): [<00000000000000[ 70.366371] WARNING: CPU: 0 PID: 2444 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 00>] 0x0 # [ 67.766354] ---[ end trace 9e0e9468693c577e ]--- [ 70.382079] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 70.404406] CPU: 0 PID: 2444 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 67.771533] lkdtm: Saturation detected: still saturated #[ 70.413136] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 70.425974] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 70.431858] Code: 01 01 e8 63 b4 95 00 0f 0b c3 cc cc cc cc 80 3d 0f ed 93 01 00 75 a8 48 c7 c7 88 fc 84 86 c6 05 ff ec 93 01 01 e8 40 b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d e9 ec 93 01 00 75 85 48 c7 c7 e0 fc 84 [ 70.452951] RSP: 0018:ffff90e6c2ce7e38 EFLAGS: 00010282 [ 70.458835] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 70.466849] RDX: ffff8afd3bc2c660 RSI: ffff8afd3bc1bf70 RDI: ffff8afd3bc1bf70 [ 70.474858] RBP: ffffffff868b42f0 R08: 0000000000000000 R09: 0000000000000000 [ 70.482881] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 70.490904] R13: ffff90e6c2ce7f10 R14: ffff90e6c2ce7f10 R15: ffff8afcc56fe000 [ 70.498925] FS: 00007f153346d580(0000) GS:ffff8afd3bc00000(0000) knlGS:0000000000000000 [ 70.508020] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.514488] CR2: 00007f1533276000 CR3: 0000000102a18000 CR4: 00000000003506f0 [ 70.522512] Call Trace: [ 70.525289] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 70.531460] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 [ 70.537819] direct_entry.cold+0x2c/0x38 [ 70.542244] full_proxy_write+0x56/0x80 [ 70.546570] vfs_write+0xea/0x3a0 [ 70.550310] ksys_write+0x68/0xf0 [ 70.554045] do_syscall_64+0x33/0x40 [ 70.558071] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 70.563760] RIP: 0033:0x7f1533383833 [ 70.567795] 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 [ 70.588882] RSP: 002b:00007fff26bf18a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 70.597399] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f1533383833 [ 70.605419] RDX: 0000000000000020 RSI: 00007f1533276000 RDI: 0000000000000001 [ 70.613445] RBP: 00007f1533276000 R08: 00007f1533275010 R09: 0000000000000000 [ 70.621463] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 REFCOUNT_INC_SATURATED: saw 'Saturation detected: still saturat[ 70.629471] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ed': ok ok 52 selftests: lkdtm: REFCOUNT_INC_SATURATED.sh # se[ 70.643707] irq event stamp: 0 [ 70.653342] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 70.660381] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 70.669566] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 70.678757] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 70.685808] ---[ end trace 9e0e9468693c5782 ]--- [ 70.691007] lkdtm: Saturation detected: still saturated lftests: lkdtm: REFCOUNT_DEC_SATURATED.sh # [ 68.089943] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 68.101521] lkdtm: attempting bad refcount_dec() from saturated # [ 68.108208] ------------[ cut here ]------------ # [ 68.119640] refcount_t: decrement hit 0; leaking memory. # [ 68.125675] WARNING: CPU: 2 PID: 2345 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 68.141372] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 68.157420] CPU: 2 PID: 2345 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 68.166121] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 68.172781] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 68.178657] Code: 38 fd 84 86 c6 05 b0 ec 93 01 01 e8 f6 b3 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 08 fd 84 86 c6 05 97 ec 93 01 01 e8 dc b3 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 68.199687] RSP: 0018:ffff90e6c2b77e48 EFLAGS: 00010286 # [ 68.205558] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 68.213574] RDX: ffff8afd3bd2c660 RSI: ffff8afd3bd1bf70 RDI: ffff8afd3bd1bf70 # [ 68.221590] RBP: ffffffff868b468c R08: 0000000000000000 R09: 0000000000000000 # [ 68.229613] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 68.237631] R13: ffff90e6c2b77f10 R14: ffff90e6c2b77f10 R15: ffff8afcc6518000 # [ 68.245656] FS: 00007fcb61fa2580(0000) GS:ffff8afd3bd00000(0000) knlGS:0000000000000000 # [ 68.254742] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.261192] CR2: 00007fcb61dab000 CR3: 0000000104e84000 CR4: 00000000003506e0 # [ 68.275419] Call Trace: # [ 68.278188] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 68.283678] direct_entry.cold+0x2c/0x38 # [ 68.294289] full_proxy_write+0x56/0x80 # [ 68.298613] vfs_write+0xea/0x3a0 # [ 68.308535] ksys_write+0x68/0xf0 # [ 68.312274] do_syscall_64+0x33/0x40 # [ 68.316304] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 68.321982] RIP: 0033:0x7fcb61eb8833 # [ 68.326001] 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 # [ 68.347024] RSP: 002b:00007ffcd3e016b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.355515] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fcb61eb8833 # [ 68.363531] RDX: 0000000000000017 RSI: 00007fcb61dab000 RDI: 0000000000000001 # [ 68.371526] RBP: 00007fcb61dab000 R08: 00007fcb61daa010 R09: 0000000000000000 # [ 68.379525] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 68.387522] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.395532] irq event stamp: 0 # [ 68.405185] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 68.418472] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 68.427668] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 68.436868] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 68.443914] ---[ end trace 9e0e9468693c577f ]--- # [ 68.449105] lkdtm: [ 71.020371] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED [ 71.028555] lkdtm: attempting bad refcount_dec_and_test() from saturated Saturation detected: still saturated # REFCOUNT_DEC_SATURATED: [ 71.036125] ------------[ cut here ]------------ [ 71.047554] refcount_t: underflow; use-after-free. [ 71.052993] WARNING: CPU: 0 PID: 2479 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 [ 71.062474] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 71.078519] CPU: 0 PID: 2479 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 71.087225] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 71.093878] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 71.099751] Code: 01 01 e8 40 b4 95 00 0f 0b c3 cc cc cc cc 80 3d e9 ec 93 01 00 75 85 48 c7 c7 e0 fc 84 86 c6 05 d9 ec 93 01 01 e8 1d b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d c4 ec 93 01 00 0f 85 5e ff ff ff 48 c7 [ 71.120804] RSP: 0018:ffff90e6c2d5fe40 EFLAGS: 00010286 [ 71.126679] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 [ 71.134698] RDX: ffff8afd3bc2c660 RSI: ffff8afd3bc1bf70 RDI: ffff8afd3bc1bf70 [ 71.142716] RBP: ffffffff868b4310 R08: 0000000000000000 R09: 0000000000000000 [ 71.150748] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 71.158778] R13: ffff90e6c2d5ff10 R14: ffff90e6c2d5ff10 R15: ffff8afcc3298000 [ 71.166800] FS: 00007f5e14525580(0000) GS:ffff8afd3bc00000(0000) knlGS:0000000000000000 [ 71.175892] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.182358] CR2: 00007f5e1432e000 CR3: 0000000104e84000 CR4: 00000000003506f0 [ 71.190365] Call Trace: [ 71.193131] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 71.199298] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 [ 71.205658] direct_entry.cold+0x2c/0x38 [ 71.210081] full_proxy_write+0x56/0x80 [ 71.214414] vfs_write+0xea/0x3a0 [ 71.218150] ksys_write+0x68/0xf0 [ 71.221891] do_syscall_64+0x33/0x40 [ 71.225924] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 71.231611] RIP: 0033:0x7f5e1443b833 [ 71.235635] 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 [ 71.256671] RSP: 002b:00007ffc75d127e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 71.265173] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f5e1443b833 [ 71.273198] RDX: 0000000000000020 RSI: 00007f5e1432e000 RDI: 0000000000000001 [ 71.281228] RBP: 00007f5e1432e000 R08: 00007f5e1432d010 R09: 0000000000000000 [ 71.289233] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 saw 'Saturation detected: still saturated': ok ok 53 selftests:[ 71.297230] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 lkdtm: REFCOUNT_DEC_SATURATED.sh # selftests: lkdtm: REFCOUNT_[ 71.311443] irq event stamp: 0 ADD_SATURATED.sh # [ 68.767039] lkdtm: Performing direct entr[ 71.321077] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 71.334323] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 71.343512] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 71.352689] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 71.359726] ---[ end trace 9e0e9468693c5783 ]--- [ 71.364914] lkdtm: Saturation detected: still saturated y REFCOUNT_ADD_SATURATED # [ 68.779517] lkdtm: attempting bad refcount_dec() from saturated # [ 68.792423] ------------[ cut here ]------------ # [ 68.803826] refcount_t: saturated; leaking memory. # [ 68.815447] WARNING: CPU: 3 PID: 2380 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 68.831156] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 68.853345] CPU: 3 PID: 2380 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 68.868226] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 68.881066] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 68.893140] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 54 ed 93 01 00 75 ee 48 c7 c7 88 fc 84 86 c6 05 44 ed 93 01 01 e8 86 b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 30 ed 93 01 00 75 cb 48 c7 c7 b0 fc 84 # [ 68.920397] RSP: 0018:ffff90e6c2befe48 EFLAGS: 00010286 # [ 68.932455] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 68.946706] RDX: ffff8afd3bdac660 RSI: ffff8afd3bd9bf70 RDI: ffff8afd3bd9bf70 # [ 68.960901] RBP: ffffffff868b46a3 R08: 0000000000000000 R09: 0000000000000000 # [ 68.975129] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 68.989325] R13: ffff90e6c2beff10 R14: ffff90e6c2beff10 R15: ffff8afcc2b1f000 # [ 69.003535] FS: 00007fa2c5ce7580(0000) GS:ffff8afd3bd80000(0000) knlGS:0000000000000000 # [ 69.018856] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.031485] CR2: 00007fa2c5af0000 CR3: 000000010548c000 CR4: 00000000003506e0 # [ 69.045709] Call Trace: # [ 69.054723] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 69.066668] direct_entry.cold+0x2c/0x38 # [ 69.077013] full_proxy_write+0x56/0x80 # [ 69.087721] vfs_write+0xea/0x3a0 # [ 69.097616] ksys_write+0x68/0xf0 # [ 69.107384] do_syscall_64+0x33/0x40 # [ 69.117751] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 69.129576] RIP: 0033:0x7fa2c5bfd833 # [ 69.139868] 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 # [ 69.167004] RSP: 002b:00007ffe8ba88048 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 69.181750] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fa2c5bfd833 # [ 69.195913] RDX: 0000000000000017 RSI: 00007fa2c5af0000 RDI: 0000000000000001 # [ 69.210170] RBP: 00007fa2c5af0000 R08: 00007fa2c5aef010 R09: 0000000000000000 # [ 69.224351] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 69.238586] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 69.252796] irq event stamp: 0 # [ 69.262464] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 69.275698] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 69.291112] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 69.306495] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 69.319790] ---[ end trace 9e0e9468693c5780 ]--- # [ 69.331186] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_SATURATED: saw 'Saturation detected: still saturated': ok ok 54 selftests: lkdtm: REFCOUNT_ADD_SATURATED.[ 71.700584] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED [ 71.708742] lkdtm: attempting bad refcount_sub_and_test() from saturated sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # [ [ 71.716274] ------------[ cut here ]------------ [ 71.727699] refcount_t: underflow; use-after-free. 69.655889] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZER[ 71.733133] WARNING: CPU: 2 PID: 2514 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 [ 71.748836] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 71.764896] CPU: 2 PID: 2514 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 71.773636] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 71.780323] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 71.786200] Code: 01 01 e8 40 b4 95 00 0f 0b c3 cc cc cc cc 80 3d e9 ec 93 01 00 75 85 48 c7 c7 e0 fc 84 86 c6 05 d9 ec 93 01 01 e8 1d b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d c4 ec 93 01 00 0f 85 5e ff ff ff 48 c7 [ 71.807277] RSP: 0018:ffff90e6c2de7e40 EFLAGS: 00010286 [ 71.813157] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 [ 71.821178] RDX: ffff8afd3bd2c660 RSI: ffff8afd3bd1bf70 RDI: ffff8afd3bd1bf70 [ 71.829201] RBP: ffffffff868b4330 R08: 0000000000000000 R09: 0000000000000000 [ 71.837226] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 71.845244] R13: ffff90e6c2de7f10 R14: ffff90e6c2de7f10 R15: ffff8afcc32e2000 [ 71.853258] FS: 00007f367dc72580(0000) GS:ffff8afd3bd00000(0000) knlGS:0000000000000000 [ 71.862354] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.868812] CR2: 00007f367da7b000 CR3: 0000000106518000 CR4: 00000000003506e0 [ 71.876826] Call Trace: [ 71.879596] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 71.885762] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 [ 71.892125] direct_entry.cold+0x2c/0x38 [ 71.896539] full_proxy_write+0x56/0x80 [ 71.900862] vfs_write+0xea/0x3a0 [ 71.904599] ksys_write+0x68/0xf0 [ 71.908339] do_syscall_64+0x33/0x40 [ 71.912366] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 71.918056] RIP: 0033:0x7f367db88833 [ 71.922079] 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 [ 71.943155] RSP: 002b:00007ffe56e245b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 71.951666] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f367db88833 [ 71.959681] RDX: 0000000000000020 RSI: 00007f367da7b000 RDI: 0000000000000001 [ 71.967697] RBP: 00007f367da7b000 R08: 00007f367da7a010 R09: 0000000000000000 [ 71.975715] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 O_SATURATED # [ 69.668471] lkdtm: attempting bad refcount_inc[ 71.983738] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 _not_zero() from saturated # [ 69.676010] ------------[ cut h[ 71.997992] irq event stamp: 0 ere ]------------ # [ 69.681212] refcount_t: saturated; leaki[ 72.007646] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 72.020914] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 72.030112] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 72.039301] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 72.046345] ---[ end trace 9e0e9468693c5784 ]--- [ 72.051539] lkdtm: Saturation detected: still saturated ng memory. # [ 69.692845] WARNING: CPU: 2 PID: 2412 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 69.708493] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 69.724520] CPU: 2 PID: 2412 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 69.733209] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 69.739859] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 69.745769] Code: 01 01 e8 63 b4 95 00 0f 0b c3 cc cc cc cc 80 3d 0f ed 93 01 00 75 a8 48 c7 c7 88 fc 84 86 c6 05 ff ec 93 01 01 e8 40 b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d e9 ec 93 01 00 75 85 48 c7 c7 e0 fc 84 # [ 69.766844] RSP: 0018:ffff90e6c2c67e38 EFLAGS: 00010282 # [ 69.772719] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 69.780707] RDX: ffff8afd3bd2c660 RSI: ffff8afd3bd1bf70 RDI: ffff8afd3bd1bf70 # [ 69.788719] RBP: ffffffff868b42d0 R08: 0000000000000000 R09: 0000000000000000 # [ 69.796739] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 69.804761] R13: ffff90e6c2c67f10 R14: ffff90e6c2c67f10 R15: ffff8afcc55be000 # [ 69.812774] FS: 00007fa2b89c7580(0000) GS:ffff8afd3bd00000(0000) knlGS:0000000000000000 # [ 69.821866] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.828319] CR2: 00007fa2b87d0000 CR3: 0000000104fce000 CR4: 00000000003506e0 # [ 69.836335] Call Trace: # [ 69.839098] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 69.851485] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 69.857835] direct_entry.cold+0x2c/0x38 # [ 69.862255] full_proxy_write+0x56/0x80 # [ 69.866567] vfs_write+0xea/0x3a0 # [ 69.870307] ksys_write+0x68/0xf0 # [ 69.874048] do_syscall_64+0x33/0x40 # [ 69.878077] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 69.883751] RIP: 0033:0x7fa2b88dd833 # [ 69.893985] 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 # [ 69.915019] RSP: 002b:00007fff74316738 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 69.923509] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fa2b88dd833 # [ 69.931515] RDX: 0000000000000020 RSI: 00007fa2b87d0000 RDI: 0000000000000001 # [ 69.939529] RBP: 00007fa2b87d0000 R08: 00007fa2b87cf010 R09: 0000000000000000 # [ 69.947546] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 69.955544] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 69.963553] irq event stamp: 0 # [ 69.973183] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 69.980219] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 69.989394] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 69.998574] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 70.005610] ---[ end trace 9e0e9468693c5781 ]--- # [ 70.010798] 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 # [ 70.329612] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 70.341961] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 70.349510] ------------[ cut here ]------------ # [ 70.354701] refcount_t: saturated; leaking memory. # [ 70.366371] WARNING: CPU: 0 PID: 2444 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 70.382079] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 70.404406] CPU: 0 PID: 2444 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 70.413136] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 70.425974] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 70.431858] Code: 01 01 e8 63 b4 95 00 0f 0b c3 cc cc cc cc 80 3d 0f ed 93 01 00 75 a8 48 c7 c7 88 fc 84 86 c6 05 ff ec 93 01 01 e8 40 b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d e9 ec 93 01 00 75 85 48 c7 c7 e0 fc 84 # [ 70.452951] RSP: 0018:ffff90e6c2ce7e38 EFLAGS: 00010282 # [ 70.458835] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 70.466849] RDX: ffff8afd3bc2c660 RSI: ffff8afd3bc1bf70 RDI: ffff8afd3bc1bf70 # [ 70.474858] RBP: ffffffff868b42f0 R08: 0000000000000000 R09: 0000000000000000 # [ 70.482881] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 70.490904] R13: ffff90e6c2ce7f10 R14: ffff90e6c2ce7f10 R15: ffff8afcc56fe000 # [ 70.498925] FS: 00007f153346d580(0000) GS:ffff8afd3bc00000(0000) knlGS:0000000000000000 # [ 70.508020] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.514488] CR2: 00007f1533276000 CR3: 0000000102a18000 CR4: 00000000003506f0 # [ 70.522512] Call Trace: # [ 70.525289] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 70.531460] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 70.537819] direct_entry.cold+0x2c/0x38 # [ 70.542244] full_proxy_write+0x56/0x80 # [ 70.546570] vfs_write+0xea/0x3a0 # [ 70.550310] ksys_write+0x68/0xf0 # [ 70.554045] do_syscall_64+0x33/0x40 # [ 70.558071] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 70.563760] RIP: 0033:0x7f1533383833 # [ 70.567795] 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 # [ 70.588882] RSP: 002b:00007fff26bf18a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 70.597399] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f1533383833 # [ 70.605419] RDX: 0000000000000020 RSI: 00007f[ 72.633673] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO 1533276000 RDI: 0000000000000001 # [ 70.613445] RBP: 00007f15[ 72.643259] lkdtm: attempting good copy_to_user of correct size 33276000 R08: 00007f1533275010 R09: 0000000000000000 # [ 70.6[ 72.656106] lkdtm: attempting bad copy_to_user of too large size 21463] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 70.629471] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 70.643707] irq event stamp: 0 # [ 70.653342] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 70.660381] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 70.669566] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 70.678757] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 70.685808] ---[ end trace 9e0e9468693c5782 ]--- # [ 70.691007] 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 # [ 71.020371] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 71.028555] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 71.036125] ------------[ cut here ]------------ # [ 71.047554] refcount_t: underflow; use-after-free. # [ 71.052993] WARNING: CPU: 0 PID: 2479 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 71.062474] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 71.078519] CPU: 0 PID: 2479 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 71.087225] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 71.093878] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 71.099751] Code: 01 01 e8 40 b4 95 00 0f 0b c3 cc cc cc cc 80 3d e9 ec 93 01 00 75 85 48 c7 c7 e0 fc 84 86 c6 05 d9 ec 93 01 01 e8 1d b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d c4 ec 93 01 00 0f 85 5e ff ff ff 48 c7 # [ 71.120804] RSP: 0018:ffff90e6c2d5fe40 EFLAGS: 00010286 # [ 71.126679] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 71.134698] RDX: ffff8afd3bc2c660 RSI: ffff8afd3bc1bf70 RDI: ffff8afd3bc1bf70 # [ 71.142716] RBP: ffffffff868b4310 R08: 0000000000000000 R09: 0000000000000000 # [ 71.150748] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 71.158778] R13: ffff90e6c2d5ff10 R14: ffff90e6c2d5ff10 R15: ffff8afcc3298000 # [ 71.166800] FS: 00007f5e14525580(0000) GS:ffff8afd3bc00000(0000) knlGS:0000000000000000 # [ 71.175892] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 71.182358] CR2: 00007f5e1432e000 CR3: 0000000104e84000 CR4: 00000000003506f0 # [ 71.190365] Call Trace: # [ 71.193131] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 71.199298] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 71.205658] direct_entry.cold+0x2c/0x38 # [ 71.210081] full_proxy_write+0x56/0x80 # [ 71.214414] vfs_write+0xea/0x3a0 # [ 71.218150] ksys_write+0x68/0xf0 # [ 71.221891] do_syscall_64+0x33/0x40 # [ 71.225924] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 71.231611] RIP: 0033:0x7f5e1443b833 # [ 71.235635] 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 [ 72.971535] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40[ 72.980639] lkdtm: attempting good copy_from_user of correct size 00 48 83 ec 28 48 89 54 24 18 # [ 71.256671] RSP: 002b:00007[ 72.993691] lkdtm: attempting bad copy_from_user of too large size ffc75d127e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 71.265173] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f5e1443b833 # [ 71.273198] RDX: 0000000000000020 RSI: 00007f5e1432e000 RDI: 0000000000000001 # [ 71.281228] RBP: 00007f5e1432e000 R08: 00007f5e1432d010 R09: 0000000000000000 # [ 71.289233] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 71.297230] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 71.311443] irq event stamp: 0 # [ 71.321077] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 71.334323] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 71.343512] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 71.352689] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 71.359726] ---[ end trace 9e0e9468693c5783 ]--- # [ 71.364914] 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 # [ 71.700584] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 71.708742] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 71.716274] ------------[ cut here ]------------ # [ 71.727699] refcount_t: underflow; use-after-free. # [ 71.733133] WARNING: CPU: 2 PID: 2514 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 71.748836] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 71.764896] CPU: 2 PID: 2514 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 71.773636] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 71.780323] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 71.786200] Code: 01 01 e8 40 b4 95 00 0f 0b c3 cc cc cc cc 80 3d e9 ec 93 01 00 75 85 48 c7 c7 e0 fc 84 86 c6 05 d9 ec 93 01 01 e8 1d b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d c4 ec 93 01 00 0f 85 5e ff ff ff 48 c7 # [ 71.807277] RSP: 0018:ffff90e6c2de7e40 EFLAGS: 00010286 # [ 71.813157] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 71.821178] RDX: ffff8afd3bd2c660 RSI: ffff8afd3bd1bf70 RDI: ffff8afd3bd1bf70 # [ 71.829201] RBP: ffffffff868b4330 R08: 0000000000000000 R09: 0000000000000000 # [ 71.837226] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 71.845244] R13: ffff90e6c2de7f10 R14: ffff90e6c2de7f10 R15: ffff8afcc32e2000 # [ 71.853258] FS: 00007f367dc72580(0000) GS:ffff8afd3bd00000(0000) knlGS:0000000000000000 # [ 71.862354] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 71.868812] CR2: 00007f367da7b000 CR3: 0000000106518000 CR4: 00000000003506e0 # [ 71.876826] Call Trace: # [ 71.879596] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 71.885762] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 71.892125] direct_entry.cold+0x2c/0x38 # [ 71.896539] full_proxy_write+0x56/0x80 # [ [ 73.309526] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO [ 73.318788] lkdtm: attempting good copy_to_user inside whitelist 71.900862] vfs_write+0xea/0x3a0 # [ 71.904599] ksys_write[ 73.325596] lkdtm: attempting bad copy_to_user outside whitelist +0x68/0xf0 # [ 71.908339] do_syscall_64+0x33/0x40 # [ 71.912366] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 71.918056] RIP: 0033:0x7f367db88833 # [ 71.922079] 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 # [ 71.943155] RSP: 002b:00007ffe56e245b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 71.951666] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f367db88833 # [ 71.959681] RDX: 0000000000000020 RSI: 00007f367da7b000 RDI: 0000000000000001 # [ 71.967697] RBP: 00007f367da7b000 R08: 00007f367da7a010 R09: 0000000000000000 # [ 71.975715] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 71.983738] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 71.997992] irq event stamp: 0 # [ 72.007646] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 72.020914] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 72.030112] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 72.039301] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 72.046345] ---[ end trace 9e0e9468693c5784 ]--- # [ 72.051539] 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 # [ 72.633673] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 72.643259] lkdtm: attempting good copy_to_user of correct size # [ 72.656106] 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 # [ 72.971535] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 72.980639] lkdtm: attempting good copy_from_user of correct size # [ 72.993691] 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 # [ 73.309526] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 73.318788] lkdtm: attempting good copy_to_user inside whitelist # [ 73.325596] 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 [ 73.631079] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM [ 73.638532] lkdtm: attempting good copy_from_user inside whitelist [ 73.645472] lkdtm: attempting bad copy_from_user outside whitelist # [ 73.631079] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 73.638532] lkdtm: attempting good copy_from_user inside whitelist # [ 73.645472] 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 [ 73.956564] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO [ 73.963536] lkdtm: good_stack: ffff90e6c3167e20-ffff90e6c3167e40 [ 73.970273] lkdtm: bad_stack : ffff90e6c3167da8-ffff90e6c3167dc8 [ 73.977062] lkdtm: attempting good copy_to_user of local stack [ 73.983638] lkdtm: attempting bad copy_to_user of distant stack # [ 73.956564] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 73.963536] lkdtm: good_stack: ffff90e6c3167e20-ffff90e6c3167e40 # [ 73.970273] lkdtm: bad_stack : ffff90e6c3167da8-ffff90e6c3167dc8 # [ 73.977062] lkdtm: attempting good copy_to_user of local stack # [ 73.983638] 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 [ 74.290572] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM [ 74.297719] lkdtm: good_stack: ffff90e6c31f7e20-ffff90e6c31f7e40 [ 74.304474] lkdtm: bad_stack : ffff90e6c31f7da8-ffff90e6c31f7dc8 [ 74.311262] lkdtm: attempting good copy_from_user of local stack [ 74.318034] lkdtm: attempting bad copy_from_user of distant stack # [ 74.290572] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 74.297719] lkdtm: good_stack: ffff90e6c31f7e20-ffff90e6c31f7e40 # [ 74.304474] lkdtm: bad_stack : ffff90e6c31f7da8-ffff90e6c31f7dc8 # [ 74.311262] lkdtm: attempting good copy_from_user of local stack # [ 74.318034] 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 [ 74.622324] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND [ 74.629080] lkdtm: good_stack: ffff90e6c324fe20-ffff90e6c324fe40 [ 74.635824] lkdtm: bad_stack : ffff90e6c324fff8-ffff90e6c3250018 [ 74.642620] lkdtm: attempting good copy_to_user of local stack [ 74.649208] lkdtm: attempting bad copy_to_user of distant stack [ 74.655884] lkdtm: copy_to_user failed, but lacked Oops # [ 74.622324] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 74.629080] lkdtm: good_stack: ffff90e6c324fe20-ffff90e6c324fe40 # [ 74.635824] lkdtm: bad_stack : ffff90e6c324fff8-ffff90e6c3250018 # [ 74.642620] lkdtm: attempting good copy_to_user of local stack # [ 74.649208] lkdtm: attempting bad copy_to_user of distant stack # [ 74.655884] 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 [ 74.974733] lkdtm: Performing direct entry USERCOPY_KERNEL [ 74.980942] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff864d1450 [ 74.989660] lkdtm: attempting bad copy_to_user from kernel text: ffffffff850e3ac0 [ 74.998065] lkdtm: FAIL: survived bad copy_to_user() # [ 74.974733] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 74.980942] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff864d1450 # [ 74.989660] lkdtm: attempting bad copy_to_user from kernel text: ffffffff850e3ac0 # [ 74.998065] 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 [ 75.316775] lkdtm: Performing direct entry STACKLEAK_ERASING [ 75.323151] lkdtm: checking unused part of the thread stack (15928 bytes)... [ 75.331097] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) [ 75.338905] lkdtm: FAIL: the thread stack is NOT properly erased [ 75.345658] CPU: 0 PID: 2879 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 75.354317] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 75.360933] Call Trace: [ 75.363688] dump_stack+0x77/0x9b [ 75.367399] lkdtm_STACKLEAK_ERASING+0x116/0x144 [ 75.372564] direct_entry.cold+0x2c/0x38 [ 75.376951] full_proxy_write+0x56/0x80 [ 75.381242] vfs_write+0xea/0x3a0 [ 75.384952] ksys_write+0x68/0xf0 [ 75.388660] do_syscall_64+0x33/0x40 [ 75.392656] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 75.398308] RIP: 0033:0x7fa8f355a833 [ 75.402307] 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 [ 75.423298] RSP: 002b:00007ffcdc350c28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 75.431766] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fa8f355a833 [ 75.439741] RDX: 0000000000000012 RSI: 00007fa8f344d000 RDI: 0000000000000001 [ 75.447716] RBP: 00007fa8f344d000 R08: 00007fa8f344c010 R09: 0000000000000000 [ 75.455693] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 75.463669] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 75.316775] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 75.323151] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 75.331097] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 75.338905] lkdtm: FAIL: the thread stack is NOT properly erased # [ 75.345658] CPU: 0 PID: 2879 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 75.354317] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 75.360933] Call Trace: # [ 75.363688] dump_stack+0x77/0x9b # [ 75.367399] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 75.372564] direct_entry.cold+0x2c/0x38 # [ 75.376951] full_proxy_write+0x56/0x80 # [ 75.381242] vfs_write+0xea/0x3a0 # [ 75.384952] ksys_write+0x68/0xf0 # [ 75.388660] do_syscall_64+0x33/0x40 # [ 75.392656] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 75.398308] RIP: 0033:0x7fa8f355a833 # [ 75.402307] 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 # [ 75.423298] RSP: 002b:00007ffcdc350c28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 75.431766] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fa8f355a833 # [ 75.439741] RDX: 0000000000000012 RSI: 00007fa8f344d000 RDI: 0000000000000001 # [ 75.447716] RBP: 00007fa8f344d000 R08: 00007fa8f344c010 R09: 0000000000000000 # [ 75.455693] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 75.463669] 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 [ 75.792716] lkdtm: Performing direct entry CFI_FORWARD_PROTO [ 75.799096] lkdtm: Calling matched prototype ... [ 75.804288] lkdtm: Calling mismatched prototype ... [ 75.809770] lkdtm: Fail: survived mismatched prototype function call! # [ 75.792716] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 75.799096] lkdtm: Calling matched prototype ... # [ 75.804288] lkdtm: Calling mismatched prototype ... # [ 75.809770] 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 / #