[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 73928 FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fspm.bin' CBFS: Found @ offset 2efc0 size 59000 FMAP: area RECOVERY_MRC_CACHE found @ 400000 (65536 bytes) Locality already claimed cr50 TPM 2.0 (i2c 2:0x50 id 0x28) src/lib/tpm2_tlcl.c:208 index 0x100b return code 0 MRC: Hash comparison successful. Using data from RECOVERY_MRC_CACHE MRC cache found, size b2c0 bootmode:2 LPDDR4 SKU id = 0x1 LP4DDR speed is 2400MHz LPDDR4 Ch0 density = 2 LPDDR4 Ch1 density = 2 FMAP: area RW_VAR_MRC_CACHE found @ 420000 (4096 bytes) CBMEM: IMD: root @ 7afff000 254 entries. IMD: root @ 7affec00 62 entries. External stage cache: IMD: root @ 7b7ff000 254 entries. IMD: root @ 7b7fec00 62 entries. creating vboot_handoff structure Chrome EC: clear events_b mask to 0x21004000 src/lib/tpm2_tlcl.c:208 index 0x100b return code 0 tlcl_write: response is 0 src/lib/tpm2_tlcl.c:208 index 0x100b return code 0 MRC: TPM MRC hash updated successfully. CPU: frequency set to 2500 MHz 4 DIMMs found MTRR Range: Start=7a000000 End=7b000000 (Size 1000000) MTRR Range: Start=ff000000 End=0 (Size 1000000) MTRR Range: Start=7b000000 End=7b800000 (Size 800000) FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/postcar' CBFS: Found @ offset b3000 size 45b8 Decompressing stage fallback/postcar @ 0x7abc5fc0 (34440 bytes) Loading module at 7abc6000 with entry 7abc6000. filesize: 0x4350 memsize: 0x8648 Processing 131 relocs. Offset value of 0x78bc6000 coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 postcar starting... FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/ramstage' CBFS: Found @ offset 15dc0 size 17c31 Decompressing stage fallback/ramstage @ 0x7ab77fc0 (314352 bytes) Loading module at 7ab78000 with entry 7ab78000. filesize: 0x34618 memsize: 0x4cbb0 Processing 2993 relocs. Offset value of 0x7aa78000 coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 ramstage starting... FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area RO_VPD found @ 200000 (16384 bytes) WARNING: RO_VPD is uninitialized or empty. FMAP: area RW_VPD found @ 428000 (8192 bytes) FMAP: area RW_VPD found @ 428000 (8192 bytes) Normal boot. BS: BS_PRE_DEVICE times (us): entry 2 run 32 exit 0 Board ID: 5 mainboard: EC init Chrome EC: Set WAKE mask to 0x00000000 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fsps.bin' CBFS: Found @ offset 88fc0 size 2a000 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'vbt-babytiger.bin' CBFS: Found @ offset 155800 size 528 Found a VBT of 6656 bytes after decompression ITSS IRQ Polarities Before: IPC0: 0xffffeef8 IPC1: 0xffffffff IPC2: 0xffffffff IPC3: 0x00ffffff ITSS IRQ Polarities After: IPC0: 0xffffeef8 IPC1: 0x4a07ffff IPC2: 0x08000000 IPC3: 0x00a11000 RAPL PL1 12.0W RAPL PL2 15.0W BS: BS_DEV_INIT_CHIPS times (us): entry 0 run 268986 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 5125 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 53043 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 14181 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 9996 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 14071 usecs PCI: 00:16.3 scanning... scan_generic_bus for PCI: 00:16.3 bus: PCI: 00:16.3[0]->I2C: 03:10 enabled bus: PCI: 00:16.3[0]->I2C: 03:39 enabled scan_generic_bus for PCI: 00:16.3 done scan_bus: scanning of bus PCI: 00:16.3 took 18143 usecs PCI: 00:17.0 scanning... scan_generic_bus for PCI: 00:17.0 bus: PCI: 00:17.0[0]->I2C: 04:15 enabled bus: PCI: 00:17.0[0]->I2C: 04:2c enabled scan_generic_bus for PCI: 00:17.0 done scan_bus: scanning of bus PCI: 00:17.0 took 18149 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 14056 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 11251 usecs scan_bus: scanning of bus DOMAIN: 0000 took 392196 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 412191 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 2023-01-14 13:04:03 UTC POST: Unexpected post code in previous boot: 0x98 ELOG: Event(A3) added with size 11 at 2023-01-14 13:04:03 UTC ELOG: Event(A6) added with size 13 at 2023-01-14 13:04:03 UTC ELOG: Event(AA) added with size 11 at 2023-01-14 13:04:03 UTC FMAP: area UNIFIED_MRC_CACHE found @ 400000 (135168 bytes) SPI flash protection: WPSW=1 SRP0=1 spi_flash_protect: FPR 0 is enabled for range 0x00400000-0x00420fff MRC: Enabled Protected Range on 'UNIFIED_MRC_CACHE'. BS: BS_DEV_ENUMERATE times (us): entry 0 run 701882 exit 109703 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 2951534 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 167 run 112461 exit 0 FMAP: area FPF_STATUS found @ 42f000 (4096 bytes) Initializing devices... Root Device init ... Root Device init finished in 2136 usecs CPU_CLUSTER: 0 init ... MTRR: Physical address space: 0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6 0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0 0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6 0x000000007b800000 - 0x00000000b0000000 size 0x34800000 type 0 0x00000000b0000000 - 0x00000000c0000000 size 0x10000000 type 1 0x00000000c0000000 - 0x0000000100000000 size 0x40000000 type 0 0x0000000100000000 - 0x0000000180000000 size 0x80000000 type 6 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 call enable_fixed_mtrr() CPU physical address size: 39 bits MTRR: default type WB/UC MTRR counts: 6/8. MTRR: WB selected as default type. MTRR: 0 base 0x000000007b800000 mask 0x0000007fff800000 type 0 MTRR: 1 base 0x000000007c000000 mask 0x0000007ffc000000 type 0 MTRR: 2 base 0x0000000080000000 mask 0x0000007fe0000000 type 0 MTRR: 3 base 0x00000000a0000000 mask 0x0000007ff0000000 type 0 MTRR: 4 base 0x00000000b0000000 mask 0x0000007ff0000000 type 1 MTRR: 5 base 0x00000000c0000000 mask 0x0000007fc0000000 type 0 MTRR check Fixed MTRRs : Enabled Variable MTRRs: Enabled Detected 4 core, 4 thread CPU. Will perform SMM setup. FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'cpu_microcode_blob.bin' CBFS: Found @ offset 11d40 size 4000 microcode: sig=0x506c9 pf=0x1 revision=0x2c CPU: Intel(R) Pentium(R) CPU N4200 @ 1.10GHz. Loading module at 00030000 with entry 00030000. filesize: 0x130 memsize: 0x130 Processing 16 relocs. Offset value of 0x00030000 Attempting to start 3 APs Waiting for 10ms after sending INIT. Waiting for 1st SIPI to complete...AP: slot 3 apic_id 4. done. AP: slot 1 apic_id 6. Waiting for 2nd SIPI to complete...done. 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 0x7afffc00 Relocation complete. New SMBASE 0x7afff400 Relocation complete. New SMBASE 0x7afff800 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 Initializing CPU #1 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: vendor Intel device 506c9 CPU: family 06, model 5c, stepping 09 CPU #2 initialized 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 467952 usecs PCI: 00:00.0 init ... PCI: 00:00.0 init finished in 2235 usecs PCI: 00:00.1 init ... PCI: 00:00.1 init finished in 2233 usecs PCI: 00:00.2 init ... PCI: 00:00.2 init finished in 2234 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2234 usecs PCI: 00:03.0 init ... PCI: 00:03.0 init finished in 2230 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 27346 usecs PCI: 00:0d.2 init ... PCI: 00:0d.2 init finished in 2232 usecs PCI: 00:0f.0 init ... PCI: 00:0f.0 init finished in 2233 usecs PCI: 00:0f.1 init ... PCI: 00:0f.1 init finished in 2232 usecs PCI: 00:0f.2 init ... PCI: 00:0f.2 init finished in 2230 usecs PCI: 00:15.0 init ... PCI: 00:15.0 init finished in 2232 usecs PCI: 00:16.0 init ... LPSS I2C bus 0 at 0xc2b21000 (400 KHz) PCI: 00:16.0 init finished in 6114 usecs PCI: 00:16.1 init ... LPSS I2C bus 1 at 0xc2b23000 (400 KHz) PCI: 00:16.1 init finished in 6114 usecs PCI: 00:16.2 init ... LPSS I2C bus 2 at 0xc2b25000 (400 KHz) PCI: 00:16.2 init finished in 6116 usecs PCI: 00:16.3 init ... LPSS I2C bus 3 at 0xc2b27000 (400 KHz) PCI: 00:16.3 init finished in 6110 usecs PCI: 00:17.0 init ... LPSS I2C bus 4 at 0xc2b29000 (400 KHz) PCI: 00:17.0 init finished in 6114 usecs PCI: 00:17.1 init ... LPSS I2C bus 5 at 0xc2b2b000 (400 KHz) PCI: 00:17.1 init finished in 6119 usecs PCI: 00:19.0 init ... PCI: 00:19.0 init finished in 2232 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 3559 usecs PCI: 00:1f.1 init ... PCI: 00:1f.1 init finished in 2230 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2235 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 42149 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 4983 run 880934 exit 890 ELOG: Event(A1) added with size 10 at 2023-01-14 13:04:07 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2023-01-14 13:04:07 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 24863 run 3941 exit 5269 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 | low recovery | undefined | high | high lid | undefined | high | low power | undefined | high | high oprom | undefined | high | high EC in RW | 0x00000029 | high | high FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) Wrote coreboot table at: 7ab34000, 0x5f4 bytes, checksum bde7 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 815993 exit 0 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/payload' CBFS: Found @ offset f6d00 size 36dd4 Loading segment from ROM address 0xff37cd38 code (compression=0) New segment dstaddr 0x30104040 memsize 0x251570 srcaddr 0xff37cd70 filesize 0x36d9c Loading segment from ROM address 0xff37cd54 Entry Point 0x30104040 Loading Segment: addr: 0x0000000030104040 memsz: 0x0000000000251570 filesz: 0x0000000000036d9c lb: [0x000000007ab78000, 0x000000007abc4bb0) Post relocation: addr: 0x0000000030104040 memsz: 0x0000000000251570 filesz: 0x0000000000036d9c it's not compressed! [ 0x30104040, 3013addc, 0x303555b0) <- ff37cd70 Clearing Segment: addr: 0x000000003013addc memsz: 0x000000000021a7d4 dest 30104040, end 303555b0, bouncebuffer ffffffff Loaded segments CSE FWSTS1: 0x80000245 CSE FWSTS2: 0x3b850000 CSE FWSTS3: 0x00000000 CSE FWSTS4: 0x00080000 CSE FWSTS5: 0x00000000 CSE FWSTS6: 0x40000000 ME: Manufacturing Mode : NO ME: FPF status : fused BS: BS_PAYLOAD_LOAD times (us): entry 171 run 107956 exit 32922 Jumping to boot code at 30104040(7ab34000) CPU0: stack: 7abb4000 - 7abb5000, lowest used address 7abb481c, stack used: 2020 bytes Starting depthcharge on coral... WARNING: can't convert coreboot GPIOs, 'lid' won't be resampled at runtime! WARNING: can't convert coreboot GPIOs, 'power' won't be resampled at runtime! BIOS MMAP details: IFD Base Offset : 0x1000 IFD End Offset : 0xf7f000 MMAP Size : 0xf7e000 MMAP Start : 0xff082000 The GBB signature is at 0x30004040 and is: 24 47 42 42 [firmware-coral-10068.B-rcn] Dec 21 2020 15:04:32 coral: enet dhcp enet dhcp Waiting for link R8152: Initializing Version 9 (ocp_data = 6010) R8152: Done initializing Adding net device done. MAC: 00:e0:4c:68:0a:de Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.16 The DHCP server ip is 192.168.201.1 coral: tftpboot 192.168.201.1 8718796/tftp-deploy-3peztlvs/kernel/bzImage 8718796/tftp-deploy-3peztlvs/kernel/cmdline 8718796/tftp-deploy-3peztlvs/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 8718796/tftp-deploy-3peztlvs/kernel/bzImaoy-3peztlvs/kernel/cmdline 8718796/tftp-deploy-3peztlvs/ramdisk/ramdisk.cpio.gz Waiting for link done. MAC: 00:e0:4c:68:0a:de Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.16 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 8718796/tftp-deploy-3peztlvs/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 14459616 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: 8718796/tftp-deploy-3peztlvs/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/8718796/extract-nfsrootfs-87tb6t_3,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: 19170514 Starting kernel ... [ 0.000000] Linux version 5.10.163-cip24 (KernelCI@build-j850406-x86-64-gcc-10-x86-64-defconfig-x86-chromeboorf9x9) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Sat Jan 14 12:52:49 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/8718796/extract-nfsrootfs-87tb6t_3,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 [ 0.000058] last_pfn = 0x180000 max_arch_pfn = 0x400000000 [ 0.000308] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.001189] last_pfn = 0x7a9fd max_arch_pfn = 0x400000000 [ 0.005305] check: Scanning 1 areas for low memory corruption [ 0.005318] Using GB pages for direct mapping [ 0.005876] RAMDISK: [mem 0x377f5000-0x37ffffff] [ 0.005884] ACPI: Early table checksum verification disabled [ 0.005893] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) [ 0.005904] ACPI: XSDT 0x000000007AB100E0 00005C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.005918] ACPI: FACP 0x000000007AB13130 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.005932] ACPI: DSDT 0x000000007AB10280 002EA8 (v05 COREv4 COREBOOT 20110725 INTL 20150717) [ 0.005942] ACPI: FACS 0x000000007AB10240 000040 [ 0.005951] ACPI: FACS 0x000000007AB10240 000040 [ 0.005960] ACPI: SSDT 0x000000007AB13230 0015FA (v02 CORE COREBOOT 0000002A CORE 0000002A) [ 0.005971] ACPI: MCFG 0x000000007AB14830 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.005981] ACPI: TCPA 0x000000007AB14870 000032 (v02 CORE COREBOOT 00000000 CORE 00000000) [ 0.005990] ACPI: APIC 0x000000007AB148B0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.006000] ACPI: NHLT 0x000000007AB14920 000E60 (v05 coral coral 00000021 CORE 00000000) [ 0.006010] ACPI: HPET 0x000000007AB17780 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.006020] ACPI: Reserving FACP table memory at [mem 0x7ab13130-0x7ab13223] [ 0.006025] ACPI: Reserving DSDT table memory at [mem 0x7ab10280-0x7ab13127] [ 0.006029] ACPI: Reserving FACS table memory at [mem 0x7ab10240-0x7ab1027f] [ 0.006033] ACPI: Reserving FACS table memory at [mem 0x7ab10240-0x7ab1027f] [ 0.006037] ACPI: Reserving SSDT table memory at [mem 0x7ab13230-0x7ab14829] [ 0.006042] ACPI: Reserving MCFG table memory at [mem 0x7ab14830-0x7ab1486b] [ 0.006046] ACPI: Reserving TCPA table memory at [mem 0x7ab14870-0x7ab148a1] [ 0.006050] ACPI: Reserving APIC table memory at [mem 0x7ab148b0-0x7ab1491b] [ 0.006054] ACPI: Reserving NHLT table memory at [mem 0x7ab14920-0x7ab1577f] [ 0.006058] ACPI: Reserving HPET table memory at [mem 0x7ab17780-0x7ab177b7] [ 0.006182] No NUMA configuration found [ 0.006186] Faking a node at [mem 0x0000000000000000-0x000000017fffffff] [ 0.006196] NODE_DATA(0) allocated [mem 0x17fff9000-0x17fffcfff] [ 0.006243] Zone ranges: [ 0.006248] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.006254] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.006261] Normal [mem 0x0000000100000000-0x000000017fffffff] [ 0.006267] Movable zone start for each node [ 0.006271] Early memory node ranges [ 0.006275] node 0: [mem 0x0000000000001000-0x000000000009ffff] [ 0.006279] node 0: [mem 0x0000000000100000-0x000000000fffffff] [ 0.006283] node 0: [mem 0x0000000012151000-0x000000007a9fcfff] [ 0.006288] node 0: [mem 0x0000000100000000-0x000000017fffffff] [ 0.006293] Initmem setup node 0 [mem 0x0000000000001000-0x000000017fffffff] [ 0.006325] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.006376] On node 0, zone DMA: 96 pages in unavailable ranges [ 0.013095] On node 0, zone DMA32: 8529 pages in unavailable ranges [ 0.020582] On node 0, zone Normal: 22019 pages in unavailable ranges [ 0.020615] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] [ 0.020916] ACPI: PM-Timer IO Port: 0x408 [ 0.020990] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 [ 0.021006] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.021012] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 low level) [ 0.021025] Using ACPI (MADT) for SMP configuration information [ 0.021031] ACPI: HPET id: 0x8086a701 base: 0xfed00000 [ 0.021042] TSC deadline timer available [ 0.021048] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.021080] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.021086] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] [ 0.021091] PM: hibernation: Registered nosave memory: [mem 0x10000000-0x12150fff] [ 0.021096] PM: hibernation: Registered nosave memory: [mem 0x7a9fd000-0x7affffff] [ 0.021101] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] [ 0.021105] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xcfffffff] [ 0.021109] PM: hibernation: Registered nosave memory: [mem 0xd0000000-0xd0ffffff] [ 0.021112] PM: hibernation: Registered nosave memory: [mem 0xd1000000-0xdfffffff] [ 0.021116] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xefffffff] [ 0.021120] PM: hibernation: Registered nosave memory: [mem 0xf0000000-0xfed0ffff] [ 0.021124] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed17fff] [ 0.021128] PM: hibernation: Registered nosave memory: [mem 0xfed18000-0xffffffff] [ 0.021136] [mem 0x80000000-0xcfffffff] available for PCI devices [ 0.021145] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.029616] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 [ 0.030245] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 [ 0.030352] Built 1 zonelists, mobility grouping on. Total pages: 1002002 [ 0.030360] Policy zone: Normal [ 0.030378] 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/8718796/extract-nfsrootfs-87tb6t_3,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.031337] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.031776] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.031846] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.065140] Memory: 3871216K/4071724K available (18450K kernel code, 3467K rwdata, 8032K rodata, 2020K init, 13244K bss, 200248K reserved, 0K cma-reserved) [ 0.065300] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.065361] Kernel/User page tables isolation: enabled [ 0.065437] ftrace: allocating 53445 entries in 209 pages [ 0.095992] ftrace: allocated 209 pages with 4 groups [ 0.096347] Running RCU self tests [ 0.096367] rcu: Hierarchical RCU implementation. [ 0.096371] rcu: RCU event tracing is enabled. [ 0.096374] rcu: RCU lockdep checking is enabled. [ 0.096379] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. [ 0.096383] Rude variant of Tasks RCU enabled. [ 0.096386] Tracing variant of Tasks RCU enabled. [ 0.096391] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.096395] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.104835] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 [ 0.105277] random: crng init done [ 0.105395] Console: colour dummy device 80x25 [ 0.174352] printk: console [ttyS2] enabled [ 0.174710] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.175361] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.175715] ... MAX_LOCK_DEPTH: 48 [ 0.176079] ... MAX_LOCKDEP_KEYS: 8192 [ 0.176448] ... CLASSHASH_SIZE: 4096 [ 0.176816] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.177192] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.177577] ... CHAINHASH_SIZE: 32768 [ 0.177955] memory used by lock dependency info: 6365 kB [ 0.178415] memory used for stack traces: 4224 kB [ 0.178828] per task-struct memory footprint: 1920 bytes [ 0.179356] ACPI: Core revision 20200925 [ 0.180055] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 99544814920 ns [ 0.180896] APIC: Switch to symmetric I/O mode setup [ 0.185923] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 0.190886] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0xfc66f4fc7c, max_idle_ns: 440795224246 ns [ 0.191780] Calibrating delay loop (skipped), value calculated using timer frequency.. 2188.80 BogoMIPS (lpj=1094400) [ 0.192766] pid_max: default: 32768 minimum: 301 [ 0.193843] LSM: Security Framework initializing [ 0.194261] SELinux: Initializing. [ 0.194814] LSM support for eBPF active [ 0.195196] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.195779] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.197838] mce: CPU0: Thermal monitoring enabled (TM1) [ 0.198381] Last level iTLB entries: 4KB 48, 2MB 0, 4MB 0 [ 0.198765] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 [ 0.199272] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.199767] Spectre V2 : Mitigation: Retpolines [ 0.200152] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.200765] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT [ 0.201337] Speculative Store Bypass: Vulnerable [ 0.219211] ------------[ cut here ]------------ [ 0.219632] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 [ 0.219644] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:712 apply_returns+0x1f5/0x220 [ 0.220765] Modules linked in: [ 0.221037] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.163-cip24 #1 [ 0.221765] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 0.222271] RIP: 0010:apply_returns+0x1f5/0x220 [ 0.222767] 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 d0 a0 1f b3 c6 05 88 5f e4 01 01 e8 32 e5 e8 00 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc [ 0.223765] RSP: 0000:ffffffffb3403de0 EFLAGS: 00010282 [ 0.224765] RAX: 0000000000000000 RBX: ffffffffb3ee2840 RCX: 0000000000000000 [ 0.225364] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffb197aad1 [ 0.225765] RBP: ffffffffb2ed1440 R08: 0000000000000001 R09: 0000000000000001 [ 0.226765] R10: ffffffffb348fd20 R11: 3fffffffffffffff R12: ffffffffb3efa468 [ 0.227368] R13: cccccccccccccccc R14: ffffffffb2ed1445 R15: 0000000000000004 [ 0.227767] FS: 0000000000000000(0000) GS:ffff8b437bc00000(0000) knlGS:0000000000000000 [ 0.228447] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.228765] CR2: ffff8b437ffff000 CR3: 000000003fe26000 CR4: 00000000003506f0 [ 0.229765] Call Trace: [ 0.230007] alternative_instructions+0x7d/0x143 [ 0.230413] check_bugs+0xece/0xf2a [ 0.230769] start_kernel+0x517/0x54d [ 0.231100] secondary_startup_64_no_verify+0xc2/0xcb [ 0.231548] irq event stamp: 89461 [ 0.231767] hardirqs last enabled at (89473): [] console_unlock+0x4d1/0x5f0 [ 0.232489] hardirqs last disabled at (89480): [] console_unlock+0x444/0x5f0 [ 0.232767] softirqs last enabled at (89490): [] irq_enter_rcu+0x71/0x80 [ 0.233766] softirqs last disabled at (89501): [] irq_enter_rcu+0x56/0x80 [ 0.234474] ---[ end trace 1d3a9950dc1d73ee ]--- [ 0.243893] Freeing SMP alternatives memory: 44K [ 0.246107] smpboot: CPU0: Intel(R) Pentium(R) CPU N4200 @ 1.10GHz (family: 0x6, model: 0x5c, stepping: 0x9) [ 0.247537] Performance Events: PEBS fmt3+, Goldmont events, 32-deep LBR, full-width counters, Intel PMU driver. [ 0.247778] ... version: 4 [ 0.248121] ... bit width: 48 [ 0.248478] ... generic registers: 4 [ 0.248768] ... value mask: 0000ffffffffffff [ 0.249225] ... max period: 00007fffffffffff [ 0.249679] ... fixed-purpose events: 3 [ 0.249767] ... event mask: 000000070000000f [ 0.250734] rcu: Hierarchical SRCU implementation. [ 0.252629] smp: Bringing up secondary CPUs ... [ 0.253616] x86: Booting SMP configuration: [ 0.253782] .... node #0, CPUs: #1 #2 #3 [ 0.256927] smp: Brought up 1 node, 4 CPUs [ 0.257772] smpboot: Max logical packages: 1 [ 0.258141] smpboot: Total of 4 processors activated (8755.20 BogoMIPS) [ 0.260142] devtmpfs: initialized [ 0.261135] x86/mm: Memory block size: 128MB [ 0.265364] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.265788] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) [ 0.266859] pinctrl core: initialized pinctrl subsystem [ 0.267707] PM: RTC time: 13:04:21, date: 2023-01-14 [ 0.268364] NET: Registered protocol family 16 [ 0.269524] audit: initializing netlink subsys (disabled) [ 0.269845] audit: type=2000 audit(1673701461.083:1): state=initialized audit_enabled=0 res=1 [ 0.270590] thermal_sys: Registered thermal governor 'step_wise' [ 0.270596] thermal_sys: Registered thermal governor 'user_space' [ 0.270878] cpuidle: using governor menu [ 0.271984] ACPI: bus type PCI registered [ 0.272162] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0xe0000000-0xefffffff] (base 0xe0000000) [ 0.272775] PCI: MMCONFIG at [mem 0xe0000000-0xefffffff] reserved in E820 [ 0.273406] PCI: Using configuration type 1 for base access [ 0.297876] Kprobes globally optimized [ 0.298942] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.299380] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.300933] cryptomgr_test (39) used greatest stack depth: 14880 bytes left [ 0.303944] ACPI: Added _OSI(Module Device) [ 0.304248] ACPI: Added _OSI(Processor Device) [ 0.304629] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.305779] ACPI: Added _OSI(Processor Aggregator Device) [ 0.306246] ACPI: Added _OSI(Linux-Dell-Video) [ 0.306626] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.306770] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 0.316274] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 0.323487] ACPI: EC: EC started [ 0.323766] ACPI: EC: interrupt blocked [ 0.324779] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.325222] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions [ 0.325768] ACPI: Interpreter enabled [ 0.326157] ACPI: (supports S0 S3 S5) [ 0.326476] ACPI: Using IOAPIC for interrupt routing [ 0.326824] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 0.328477] ACPI: Enabled 1 GPEs in block 00 to 7F [ 0.332947] ACPI: Power Resource [PXP] (on) [ 0.356865] ACPI: Power Resource [PRIC] (on) [ 0.385301] ACPI: Power Resource [PRIC] (on) [ 0.458509] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.458780] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 0.459839] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] [ 0.461245] PCI host bridge to bus 0000:00 [ 0.461600] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.462772] pci_bus 0000:00: root bus resource [io 0x1000-0xffff window] [ 0.463346] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.463770] pci_bus 0000:00: root bus resource [mem 0x7b800000-0x7fffffff window] [ 0.464403] pci_bus 0000:00: root bus resource [mem 0x80000000-0xe0000000 window] [ 0.464773] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.465329] pci 0000:00:00.0: [8086:5af0] type 00 class 0x060000 [ 0.466710] pci 0000:00:00.1: [8086:5a8c] type 00 class 0x118000 [ 0.467808] pci 0000:00:00.1: reg 0x10: [mem 0xc2b10000-0xc2b17fff 64bit] [ 0.469088] pci 0000:00:00.2: [8086:5a8e] type 00 class 0x130000 [ 0.469626] pci 0000:00:00.2: reg 0x10: [mem 0xc2800000-0xc28fffff 64bit] [ 0.469783] pci 0000:00:00.2: reg 0x18: [mem 0xc2000000-0xc27fffff 64bit] [ 0.470364] pci 0000:00:00.2: reg 0x20: [mem 0xc2b38000-0xc2b381ff 64bit] [ 0.471260] pci 0000:00:02.0: [8086:5a84] type 00 class 0x030000 [ 0.471791] pci 0000:00:02.0: reg 0x10: [mem 0xc0000000-0xc0ffffff 64bit] [ 0.472372] pci 0000:00:02.0: reg 0x18: [mem 0xb0000000-0xbfffffff 64bit pref] [ 0.473778] pci 0000:00:02.0: reg 0x20: [io 0x1000-0x103f] [ 0.474787] pci 0000:00:03.0: [8086:5a88] type 00 class 0x048000 [ 0.475321] pci 0000:00:03.0: reg 0x10: [mem 0xc1000000-0xc1ffffff 64bit] [ 0.476362] pci 0000:00:0e.0: [8086:5a98] type 00 class 0x040100 [ 0.476806] pci 0000:00:0e.0: reg 0x10: [mem 0xc2b18000-0xc2b1bfff 64bit] [ 0.477435] pci 0000:00:0e.0: reg 0x20: [mem 0xc2900000-0xc29fffff 64bit] [ 0.477904] pci 0000:00:0e.0: PME# supported from D0 D3hot D3cold [ 0.479146] pci 0000:00:0f.0: [8086:5a9a] type 00 class 0x078000 [ 0.479693] pci 0000:00:0f.0: reg 0x10: [mem 0xc2b1e000-0xc2b1efff 64bit] [ 0.480948] pci 0000:00:0f.0: PME# supported from D3hot [ 0.481916] pci 0000:00:14.0: [8086:5ad6] type 01 class 0x060400 [ 0.482644] pci 0000:00:14.0: PME# supported from D0 D3hot D3cold [ 0.483458] pci 0000:00:15.0: [8086:5aa8] type 00 class 0x0c0330 [ 0.483804] pci 0000:00:15.0: reg 0x10: [mem 0xc2b00000-0xc2b0ffff 64bit] [ 0.484535] pci 0000:00:15.0: PME# supported from D3hot D3cold [ 0.486447] pci 0000:00:16.0: [8086:5aac] type 00 class 0x118000 [ 0.486808] pci 0000:00:16.0: reg 0x10: [mem 0xc2b21000-0xc2b21fff 64bit] [ 0.487400] pci 0000:00:16.0: reg 0x18: [mem 0xc2b22000-0xc2b22fff 64bit] [ 0.488456] pci 0000:00:16.1: [8086:5aae] type 00 class 0x118000 [ 0.488808] pci 0000:00:16.1: reg 0x10: [mem 0xc2b23000-0xc2b23fff 64bit] [ 0.489412] pci 0000:00:16.1: reg 0x18: [mem 0xc2b24000-0xc2b24fff 64bit] [ 0.490456] pci 0000:00:16.2: [8086:5ab0] type 00 class 0x118000 [ 0.491807] pci 0000:00:16.2: reg 0x10: [mem 0xc2b25000-0xc2b25fff 64bit] [ 0.492408] pci 0000:00:16.2: reg 0x18: [mem 0xc2b26000-0xc2b26fff 64bit] [ 0.493461] pci 0000:00:16.3: [8086:5ab2] type 00 class 0x118000 [ 0.493807] pci 0000:00:16.3: reg 0x10: [mem 0xc2b27000-0xc2b27fff 64bit] [ 0.494409] pci 0000:00:16.3: reg 0x18: [mem 0xc2b28000-0xc2b28fff 64bit] [ 0.495476] pci 0000:00:17.0: [8086:5ab4] type 00 class 0x118000 [ 0.495809] pci 0000:00:17.0: reg 0x10: [mem 0xc2b29000-0xc2b29fff 64bit] [ 0.496415] pci 0000:00:17.0: reg 0x18: [mem 0xc2b2a000-0xc2b2afff 64bit] [ 0.498451] pci 0000:00:17.1: [8086:5ab6] type 00 class 0x118000 [ 0.498809] pci 0000:00:17.1: reg 0x10: [mem 0xc2b2b000-0xc2b2bfff 64bit] [ 0.499412] pci 0000:00:17.1: reg 0x18: [mem 0xc2b2c000-0xc2b2cfff 64bit] [ 0.500483] pci 0000:00:18.0: [8086:5abc] type 00 class 0x118000 [ 0.500806] pci 0000:00:18.0: reg 0x10: [mem 0xc2b2d000-0xc2b2dfff 64bit] [ 0.501409] pci 0000:00:18.0: reg 0x18: [mem 0xc2b2e000-0xc2b2efff 64bit] [ 0.502448] pci 0000:00:18.1: [8086:5abe] type 00 class 0x118000 [ 0.503809] pci 0000:00:18.1: reg 0x10: [mem 0xc2b2f000-0xc2b2ffff 64bit] [ 0.504410] pci 0000:00:18.1: reg 0x18: [mem 0xc2b30000-0xc2b30fff 64bit] [ 0.505457] pci 0000:00:18.2: [8086:5ac0] type 00 class 0x118000 [ 0.505820] pci 0000:00:18.2: reg 0x10: [mem 0xde000000-0xde000fff 64bit] [ 0.506423] pci 0000:00:18.2: reg 0x18: [mem 0xc2b31000-0xc2b31fff 64bit] [ 0.507483] pci 0000:00:19.0: [8086:5ac2] type 00 class 0x118000 [ 0.508808] pci 0000:00:19.0: reg 0x10: [mem 0xc2b32000-0xc2b32fff 64bit] [ 0.509405] pci 0000:00:19.0: reg 0x18: [mem 0xc2b33000-0xc2b33fff 64bit] [ 0.510483] pci 0000:00:1b.0: [8086:5aca] type 00 class 0x080501 [ 0.510802] pci 0000:00:1b.0: reg 0x10: [mem 0xc2b34000-0xc2b34fff 64bit] [ 0.511400] pci 0000:00:1b.0: reg 0x18: [mem 0xc2b35000-0xc2b35fff 64bit] [ 0.512428] pci 0000:00:1c.0: [8086:5acc] type 00 class 0x080501 [ 0.512802] pci 0000:00:1c.0: reg 0x10: [mem 0xc2b36000-0xc2b36fff 64bit] [ 0.513402] pci 0000:00:1c.0: reg 0x18: [mem 0xc2b37000-0xc2b37fff 64bit] [ 0.515577] pci 0000:00:1f.0: [8086:5ae8] type 00 class 0x060100 [ 0.516646] pci 0000:00:1f.1: [8086:5ad4] type 00 class 0x0c0500 [ 0.516842] pci 0000:00:1f.1: reg 0x10: [mem 0xc2b39000-0xc2b390ff 64bit] [ 0.517500] pci 0000:00:1f.1: reg 0x20: [io 0x1040-0x105f] [ 0.518755] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 [ 0.520104] pci 0000:01:00.0: reg 0x10: [mem 0xc2a00000-0xc2a01fff 64bit] [ 0.521077] pci 0000:01:00.0: Upstream bridge's Max Payload Size set to 128 (was 256, max 256) [ 0.521967] pci 0000:01:00.0: Max Payload Size set to 128 (was 128, max 128) [ 0.523325] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold [ 0.525699] pci 0000:00:14.0: PCI bridge to [bus 01] [ 0.526783] pci 0000:00:14.0: bridge window [mem 0xc2a00000-0xc2afffff] [ 0.534967] ACPI: EC: interrupt unblocked [ 0.535327] ACPI: EC: event unblocked [ 0.535675] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.535769] ACPI: EC: GPE=0x2b [ 0.536042] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete [ 0.536636] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events [ 0.538314] iommu: Default domain type: Translated [ 0.538976] pci 0000:00:02.0: vgaarb: setting as boot VGA device [ 0.539374] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.539796] pci 0000:00:02.0: vgaarb: bridge control possible [ 0.540282] vgaarb: loaded [ 0.541122] SCSI subsystem initialized [ 0.541888] ACPI: bus type USB registered [ 0.542369] usbcore: registered new interface driver usbfs [ 0.542827] usbcore: registered new interface driver hub [ 0.543329] usbcore: registered new device driver usb [ 0.543904] pps_core: LinuxPPS API ver. 1 registered [ 0.544336] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.545783] PTP clock support registered [ 0.546823] Advanced Linux Sound Architecture Driver Initialized. [ 0.548304] NetLabel: Initializing [ 0.548604] NetLabel: domain hash size = 128 [ 0.548768] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.549322] NetLabel: unlabeled traffic allowed by default [ 0.549885] PCI: Using ACPI for IRQ routing [ 0.581354] Expanded resource Reserved due to conflict with PCI Bus 0000:00 [ 0.581875] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0, 0, 0, 0, 0, 0 [ 0.582426] hpet0: 8 comparators, 64-bit 19.200000 MHz counter [ 0.584884] clocksource: Switched to clocksource tsc-early [ 1.012700] VFS: Disk quotas dquot_6.6.0 [ 1.013126] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 1.014118] pnp: PnP ACPI init [ 1.015232] system 00:00: [io 0x0900-0x09fe] has been reserved [ 1.016050] system 00:01: [io 0x0200] has been reserved [ 1.016507] system 00:01: [io 0x0204] has been reserved [ 1.016986] system 00:01: [io 0x0800-0x087f] has been reserved [ 1.017494] system 00:01: [io 0x0880-0x08ff] has been reserved [ 1.020753] pnp: PnP ACPI: found 3 devices [ 1.036099] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 1.036989] NET: Registered protocol family 2 [ 1.037571] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 1.039699] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) [ 1.040708] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) [ 1.041649] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) [ 1.044243] TCP: Hash tables configured (established 32768 bind 32768) [ 1.045313] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) [ 1.046304] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.047172] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.048261] NET: Registered protocol family 1 [ 1.049488] RPC: Registered named UNIX socket transport module. [ 1.050042] RPC: Registered udp transport module. [ 1.050452] RPC: Registered tcp transport module. [ 1.050872] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 1.051995] NET: Registered protocol family 44 [ 1.052405] pci 0000:00:14.0: PCI bridge to [bus 01] [ 1.052871] pci 0000:00:14.0: bridge window [mem 0xc2a00000-0xc2afffff] [ 1.053463] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 1.054007] pci_bus 0000:00: resource 5 [io 0x1000-0xffff window] [ 1.054526] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 1.055183] pci_bus 0000:00: resource 7 [mem 0x7b800000-0x7fffffff window] [ 1.055783] pci_bus 0000:00: resource 8 [mem 0x80000000-0xe0000000 window] [ 1.056369] pci_bus 0000:01: resource 1 [mem 0xc2a00000-0xc2afffff] [ 1.057170] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 1.060651] PCI: CLS 64 bytes, default 64 [ 1.061419] Unpacking initramfs... [ 1.281760] Freeing initrd memory: 8236K [ 1.282162] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.282704] software IO TLB: mapped [mem 0x00000000769fd000-0x000000007a9fd000] (64MB) [ 1.283683] RAPL PMU: API unit is 2^-32 Joules, 4 fixed counters, 655360 ms ovfl timer [ 1.284386] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules [ 1.284972] RAPL PMU: hw unit of domain package 2^-14 Joules [ 1.285448] RAPL PMU: hw unit of domain dram 2^-14 Joules [ 1.285919] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules [ 1.287747] kvm: already loaded the other module [ 1.288182] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0xfc66f4fc7c, max_idle_ns: 440795224246 ns [ 1.289097] clocksource: Switched to clocksource tsc [ 1.289621] platform rtc_cmos: registered platform RTC device (no PNP device found) [ 1.292732] check: Scanning for low memory corruption every 60 seconds [ 1.296050] Initialise system trusted keyrings [ 1.296746] workingset: timestamp_bits=56 max_order=20 bucket_order=0 [ 1.315972] NFS: Registering the id_resolver key type [ 1.316451] Key type id_resolver registered [ 1.316867] Key type id_legacy registered [ 1.328322] Key type asymmetric registered [ 1.328716] Asymmetric key parser 'x509' registered [ 1.329223] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 1.329879] io scheduler mq-deadline registered [ 1.330273] io scheduler kyber registered [ 1.330901] test_firmware: interface ready [ 1.332119] pcieport 0000:00:14.0: PME: Signaling with IRQ 120 [ 1.333923] ACPI: AC Adapter [AC] (on-line) [ 1.334619] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:14/PNP0C09:00/PNP0C0D:00/input/input0 [ 1.336195] ACPI: Lid Switch [LID0] [ 1.336706] input: Power Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input1 [ 1.337594] ACPI: Power Button [PWRB] [ 1.338127] input: Sleep Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0E:00/input/input2 [ 1.339044] ACPI: Sleep Button [SLP] [ 1.339565] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input3 [ 1.340387] ACPI: Power Button [PWRF] [ 1.340982] ACPI: \_PR_.CP00: Found 3 idle states [ 1.342126] ACPI: \_PR_.CP01: Found 3 idle states [ 1.343012] ACPI: \_PR_.CP02: Found 3 idle states [ 1.343913] ACPI: \_PR_.CP03: Found 3 idle states [ 1.345997] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.348782] Non-volatile memory driver v1.3 [ 1.349257] battery: ACPI: Battery Slot [BAT0] (battery present) [ 1.349291] Linux agpgart interface v0.103 [ 1.353435] i915 0000:00:02.0: vgaarb: deactivate vga console [ 1.406735] i915 0000:00:02.0: Invalid PCI ROM header signature: expecting 0xaa55, got 0xd4ac [ 1.407519] i915 0000:00:02.0: [drm] Failed to find VBIOS tables (VBT) [ 1.408253] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 1.409568] i915 0000:00:02.0: Direct firmware load for i915/bxt_dmc_ver1_07.bin failed with error -2 [ 1.410453] i915 0000:00:02.0: [drm] Failed to load DMC firmware i915/bxt_dmc_ver1_07.bin. Disabling runtime power management. [ 1.411433] i915 0000:00:02.0: [drm] DMC firmware homepage: https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915 [ 1.456705] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 [ 1.460267] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 [ 1.476708] loop: module loaded [ 1.477701] lkdtm: No crash points registered, enable through debugfs [ 1.536418] dw-apb-uart.6: ttyS0 at MMIO 0xc2b2d000 (irq = 4, base_baud = 115200) is a 16550A [ 1.540080] dw-apb-uart.7: ttyS1 at MMIO 0xc2b2f000 (irq = 5, base_baud = 115200) is a 16550A [ 1.543374] printk: console [ttyS2] disabled [ 1.544073] dw-apb-uart.8: ttyS2 at MMIO 0xde000000 (irq = 6, base_baud = 114825) is a 16550A [ 4.624500] printk: console [ttyS2] enabled [ 4.624529] fbcon: i915drmfb (fb0) is primary device [ 4.626976] pxa2xx-spi pxa2xx-spi.9: no DMA channels available, using PIO [ 4.635736] e100: Intel(R) PRO/100 Network Driver [ 4.635740] e100: Copyright(c) 1999-2006 Intel Corporation [ 4.635844] e1000: Intel(R) PRO/1000 Network Driver [ 4.635847] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 4.635924] e1000e: Intel(R) PRO/1000 Network Driver [ 4.635926] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 4.636018] sky2: driver version 1.30 [ 4.636301] usbcore: registered new interface driver r8152 [ 4.636887] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 4.636907] ehci-pci: EHCI PCI platform driver [ 4.636998] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 4.637014] ohci-pci: OHCI PCI platform driver [ 4.637066] uhci_hcd: USB Universal Host Controller Interface driver [ 4.638555] xhci_hcd 0000:00:15.0: xHCI Host Controller [ 4.639436] xhci_hcd 0000:00:15.0: new USB bus registered, assigned bus number 1 [ 4.640682] xhci_hcd 0000:00:15.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 [ 4.640730] xhci_hcd 0000:00:15.0: cache line size of 64 is not supported [ 4.642280] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 4.642296] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.642299] usb usb1: Product: xHCI Host Controller [ 4.642302] usb usb1: Manufacturer: Linux 5.10.163-cip24 xhci-hcd [ 4.642305] usb usb1: SerialNumber: 0000:00:15.0 [ 4.643599] hub 1-0:1.0: USB hub found [ 4.643703] hub 1-0:1.0: 8 ports detected [ 4.645610] xhci_hcd 0000:00:15.0: xHCI Host Controller [ 4.646073] xhci_hcd 0000:00:15.0: new USB bus registered, assigned bus number 2 [ 4.646092] xhci_hcd 0000:00:15.0: Host supports USB 3.0 SuperSpeed [ 4.646383] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 [ 4.646390] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.646393] usb usb2: Product: xHCI Host Controller [ 4.646396] usb usb2: Manufacturer: Linux 5.10.163-cip24 xhci-hcd [ 4.646398] usb usb2: SerialNumber: 0000:00:15.0 [ 4.647316] hub 2-0:1.0: USB hub found [ 4.647392] hub 2-0:1.0: 7 ports detected [ 4.649052] usbcore: registered new interface driver usblp [ 4.649110] usbcore: registered new interface driver usb-storage [ 4.649490] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers [ 4.649603] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 [ 4.649605] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp [ 4.650196] i8042: Warning: Keylock active [ 4.650444] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 4.653020] rtc_cmos rtc_cmos: RTC can wake from S4 [ 4.654924] rtc_cmos rtc_cmos: registered as rtc0 [ 4.655088] rtc_cmos rtc_cmos: alarms up to one month, 114 bytes nvram [ 4.656103] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input4 [ 4.657911] i801_smbus 0000:00:1f.1: can't derive routing for PCI INT A [ 4.657915] i801_smbus 0000:00:1f.1: PCI INT A: no GSI [ 4.657951] i801_smbus 0000:00:1f.1: SPD Write Disable is set [ 4.658005] genirq: Flags mismatch irq 0. 00000080 (i801_smbus) vs. 00015a00 (timer) [ 4.658025] i801_smbus 0000:00:1f.1: Failed to allocate irq 0: -16 [ 4.658028] i801_smbus 0000:00:1f.1: SMBus using polling [ 4.658705] Console: switching to colour frame buffer device 240x67 [ 4.658900] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com [ 4.658952] intel_pstate: Intel P-state driver initializing [ 4.661842] sdhci: Secure Digital Host Controller Interface driver [ 4.661849] sdhci: Copyright(c) Pierre Ossman [ 4.662067] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 4.672291] sdhci-pci 0000:00:1c.0: SDHCI controller found [8086:5acc] (rev b) [ 4.678907] mmc0: SDHCI controller on PCI [0000:00:1c.0] using ADMA 64-bit [ 4.680043] hid: raw HID events driver (C) Jiri Kosina [ 4.682902] usbcore: registered new interface driver usbhid [ 4.682908] usbhid: USB HID core driver [ 4.685182] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:14/PNP0C09:00/GOOG0006:00/input/input5 [ 4.692591] cros_ec_lpcs GOOG0004:00: Chrome EC device registered [ 4.694945] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device [ 4.704310] snd_hda_intel 0000:00:0e.0: DSP detected with PCI class/subclass/prog-if info 0x040100 [ 4.814584] mmc0: new HS400 MMC card at address 0001 [ 4.823291] snd_hda_intel 0000:00:0e.0: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) [ 4.829579] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 4.830942] mmcblk0: mmc0:0001 TA2964 58.3 GiB [ 4.831495] mmcblk0boot0: mmc0:0001 TA2964 partition 1 4.00 MiB [ 4.832136] mmcblk0boot1: mmc0:0001 TA2964 partition 2 4.00 MiB [ 4.833312] mmcblk0rpmb: mmc0:0001 TA2964 partition 3 4.00 MiB, chardev (246:0) [ 4.843640] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 [ 4.849727] gre: GRE over IPv4 demultiplexor driver [ 4.854533] snd_hda_intel 0000:00:0e.0: Cannot probe codecs, giving up [ 4.857454] ip_gre: GRE over IPv4 tunneling driver [ 4.862051] IPv4 over IPsec tunneling driver [ 4.864130] Initializing XFRM netlink socket [ 5.242997] usb 1-5: new high-speed USB device number 2 using xhci_hcd [ 5.246244] NET: Registered protocol family 10 [ 5.260401] Segment Routing with IPv6 [ 5.268378] ip6_gre: GRE over IPv6 tunneling driver [ 5.275544] NET: Registered protocol family 17 [ 5.281586] 8021q: 802.1Q VLAN Support v1.8 [ 5.286663] Key type dns_resolver registered [ 5.295079] microcode: sig=0x506c9, pf=0x1, revision=0x2c [ 5.301439] microcode: Microcode Update Driver: v2.2. [ 5.301465] IPI shorthand broadcast: enabled [ 5.312330] sched_clock: Marking stable (5230474779, 81545095)->(5319951419, -7931545) [ 5.322395] registered taskstats version 1 [ 5.327184] Loading compiled-in X.509 certificates [ 5.349272] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.369522] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.387334] PM: Magic number: 7:910:78 [ 5.392896] printk: console [netcon0] enabled [ 5.397959] netconsole: network logging started [ 5.406686] IP-Config: Failed to open gretap0 [ 5.411745] IP-Config: Failed to open erspan0 [ 5.416667] IP-Config: No network devices available [ 5.422199] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 5.433305] usb 1-5: New USB device found, idVendor=0408, idProduct=3090, bcdDevice= 0.04 [ 5.442695] usb 1-5: New USB device strings: Mfr=3, Product=1, SerialNumber=2 [ 5.446675] modprobe (100) used greatest stack depth: 14120 bytes left [ 5.450737] usb 1-5: Product: USB2.0 HD UVC WebCam [ 5.463523] usb 1-5: Manufacturer: Quanta [ 5.463875] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 5.468072] usb 1-5: SerialNumber: 0x0001 [ 5.476622] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 5.481186] ALSA device list: [ 5.490209] cfg80211: failed to load regulatory.db [ 5.493156] No soundcards found. [ 5.504940] dw-apb-uart dw-apb-uart.8: forbid DMA for kernel console [ 5.506677] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.532964] usb 2-2: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.544305] Freeing unused kernel image (initmem) memory: 2020K [ 5.555885] usb 2-2: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 [ 5.565126] usb 2-2: New USB device strings: Mfr=1, Product=2, SerialNumber=6 [ 5.565903] Write protecting the kernel read-only data: 28672k [ 5.573175] usb 2-2: Product: USB 10/100/1000 LAN [ 5.585041] usb 2-2: Manufacturer: Realtek [ 5.589676] usb 2-2: SerialNumber: 001000001 [ 5.597084] Freeing unused kernel image (text/rodata gap) memory: 2028K [ 5.602395] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.612990] Freeing unused kernel image (rodata/data gap) memory: 160K [ 5.620530] Run /init as init process Loading, please wait... [ 5.669875] usb 1-6: new full-speed USB device number 3 using xhci_hcd Starting version 247.3-7+deb11u1 [ 5.737241] systemd-udevd (122) used greatest stack depth: 13576 bytes left [ 5.810938] usb 1-6: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 [ 5.820196] usb 1-6: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 5.836061] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.929697] usb 2-2: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.980523] r8152 2-2:1.0: load rtl8153b-2 v1 10/23/19 successfully [ 6.028313] r8152 2-2:1.0 eth0: v1.11.11 [ 6.034511] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 6.108069] r8152 2-2:1.0 enx00e04c680ade: renamed from eth0 [ 6.962511] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. [ 6.972041] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 7.091687] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 7.360466] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 7.378663] 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/enx00e04c680ade found done. IP-Config: enx00e04c680ade hardware address 00:e0:4c:68:0a:de mtu 1500 DHCP IP-Config: gretap0 hardware address 00:00:00:00:00:00 mtu 1462 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: erspan0 hardware address 00:00:00:00:00:00 mtu 1450 DHCP SIOCSIFFLAGS: Cannot assign requested address [ 7.754297] IPv6: ADDRCONF(NETDEV_CHANGE): enx00e04c680ade: link becomes ready [ 7.763235] r8152 2-2:1.0 enx00e04c680ade: carrier on IP-Config: no response after 2 secs - giving up [ 10.810566] ipconfig (165) used greatest stack depth: 13088 bytes left IP-Config: enx00e04c680ade hardware address 00:e0:4c:68:0a:de 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: enx00e04c680ade complete (dhcp from 192.168.201.1): address: 192.168.201.16 broadcast: 192.168.201.255 netmask: 255.255.255.0 gateway: 192.168.201.1 dns0 : 192.168.201.1 dns1 : 0.0.0.0 host : asus-C523NA-A20057-coral-cbg-2 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : [ 10.957897] nfsmount (167) 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 [ 12.641362] 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) [ 12.682727] systemd[1]: Detected architecture x86-64. Welcome to Debian GNU/Linux 11 (bullseye)! [ 12.722029] systemd[1]: Set hostname to . [ 13.983423] systemd[1]: Queued start job for default target Graphical Interface. [ 14.001744] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. [ 14.020458] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. [ 14.039632] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. [ 14.058322] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. [ 14.075941] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. [ 14.096479] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. [ 14.119005] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [ OK ] Set up automount Arbitrary…s File System Automount Point. [ 14.142642] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. [ 14.159619] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. [ 14.171287] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. [ 14.187485] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. [ 14.199292] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. [ 14.211841] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. [ 14.233496] systemd[1]: Listening on Journal Audit Socket. [ OK ] Listening on Journal Audit Socket. [ 14.252326] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). [ 14.271646] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. [ 14.287546] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. [ 14.310009] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. [ 14.328268] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. [ 14.353221] systemd[1]: Mounting Huge Pages File System... Mounting Huge Pages File System... [ 14.379272] systemd[1]: Mounting POSIX Message Queue File System... Mounting POSIX Message Queue File System... [ 14.404372] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... [ 14.426168] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... [ 14.452940] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... [ 14.497687] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... [ 14.529006] systemd[1]: Starting Load Kernel Module drm... [ 14.532738] mount (195) used greatest stack depth: 12528 bytes left Starting Load Kernel Module drm... [ 14.558387] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... [ 14.581134] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 14.609901] systemd[1]: Starting Journal Service... Starting Journal Service... [ 14.638066] fuse: init (API version 7.32) [ 14.642764] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... [ 14.664329] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... [ 14.697295] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... [ 14.732607] systemd[1]: Mounted Huge Pages File System. [ OK ] Mounted Huge Pages File System. [ 14.750134] systemd[1]: Mounted POSIX Message Queue File System. [ OK ] Mounted POSIX Message Queue File System. [ 14.772235] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. [ 14.789578] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. [ 14.811076] systemd[1]: Finished Create list of static device nodes for the current kernel. [ OK ] Finished Create list of st… nodes for the current kernel. [ 14.838548] systemd[1]: modprobe@configfs.service: Succeeded. [ 14.847933] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. [ 14.868366] systemd[1]: modprobe@drm.service: Succeeded. [ 14.877303] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. [ 14.897893] systemd[1]: modprobe@fuse.service: Succeeded. [ 14.906885] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. [ 14.928533] systemd[1]: Finished Load Kernel Modules. [ OK ] Finished Load Kernel Modules. [ 14.948439] systemd[1]: Finished Remount Root and Kernel File Systems. [ OK ] Finished Remount Root and Kernel File Systems. [ 14.974756] systemd[1]: Mounting FUSE Control File System... Mounting FUSE Control File System... [ 14.997956] systemd[1]: Mounting Kernel Configuration File System... Mounting Kernel Configuration File System... [ 15.024840] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped. [ 15.035253] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped. [ 15.053387] systemd[1]: Starting Load/Save Random Seed... Starting Load/Save Random Seed... [ 15.073605] systemd[1]: Starting Apply Kernel Variables... Starting Apply Kernel Variables... [ 15.095068] systemd[1]: Starting Create System Users... Starting Create System Users... [ 15.118940] systemd[1]: Mounted FUSE Control File System. [ OK ] Mounted FUSE Control File System. [ 15.146851] systemd[1]: Mounted Kernel Configuration File System. [ OK ] Mounted Kernel Configuration File System. [ 15.173575] systemd[1]: Finished Load/Save Random Seed. [ OK ] Finished Load/Save Random Seed. [ 15.191598] systemd[1]: Condition check resulted in First Boot Complete being skipped. [ 15.232262] systemd[1]: Finished Apply Kernel Variables. [ OK ] Finished Apply Kernel Variables. [ 15.367170] systemd[1]: Finished Create System Users. [ OK ] Finished Create System Users. [ 15.390201] systemd[1]: Starting Create Static Device Nodes in /dev... Starting Create Static Device Nodes in /dev... [ 15.514679] systemd[1]: Started Journal Service. [ OK ] Started Journal Service. Starting Flush Journal to Persistent Storage... [ OK ] Finished Create Static Device Nodes in /dev. [ OK ] Reached target Local File Systems (Pre). [ OK ] Reached target Local File Systems. Starting Rule-based Manage…for Device Events and Files... [ 15.630514] systemd-journald[203]: Received client request to flush runtime journal. [ OK ] Finished Coldplug All udev Devices. [ OK ] Finished Flush Journal to Persistent Storage. Starting Create Volatile Files and Directories... [ OK ] Started Rule-based Manager for Device Events and Files. Starting Network Service... [ OK ] Found device Celeron N3350…3900 Series HSUART Controller. [ OK ] Created slice system-systemd\x2dbacklight.slice. Starting Load/Save Screen …f backlight:intel_backlight... [ OK ] 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 Remove Stale Onli…ext4 Metadata Check Snapshots. [ OK ] Finished Permit User Sessions. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS2. [ OK ] Reached target Login Prompts. [ OK ] Started User Login Management. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Finished Update UTMP about System Runlevel Changes. Debian GNU/Linux 11 debian-bullseye-amd64 ttyS2 debian-bullseye-amd64 login: root (automatic login) Linux debian-bullseye-amd64 5.10.163-cip24 #1 SMP Sat Jan 14 12:52:49 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/8718796/extract-nfsrootfs-87tb6t_3' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/8718796/extract-nfsrootfs-87tb6t_3' / # 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-8718796/environment . /lava-8718796/environment / # /lava-8718796/bin/lava-test-runner /lava-8718796/0 /lava-8718796/bin/lava-test-runner /lava-8718796/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-8718796/0/tests/0_timesync-off ++ cat uuid + UUID=8718796_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-8718796/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=8718796_1.5.2.3.5 + set +x + cd ./automated/linux/kselftest/ + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s false -u http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.162-cip24-788-g63c30712099cf/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-8718796/0/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: Installing sed perl wget xz-utils iproute2 Hit:1 http://deb.debian.org/debian bullseye InRelease Reading package lists... Reading package lists... Building dependency tree... Reading state information... iproute2 is already the newest version (5.10.0-4). perl is already the newest version (5.32.1-4+deb11u2). sed is already the newest version (4.7-1). wget is already the newest version (1.21-1+deb11u1). xz-utils is already the newest version (5.2.5-2.1~deb11u1). 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. --2023-01-14 13:05:09-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.162-cip24-788-g63c30712099cf/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: 3542436 (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%[> ] 216.08K 371KB/s kselftest.tar.xz 25%[====> ] 898.59K 1.00MB/s kselftest.tar.xz 37%[======> ] 1.25M 1.03MB/s kselftest.tar.xz 100%[===================>] 3.38M 2.50MB/s in 1.3s 2023-01-14 13:05:11 (2.50 MB/s) - 'kselftest.tar.xz' saved [3542436/3542436] 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 =============== [ 64.308281] 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 [ 64.965413] lkdtm: Performing direct entry BUG [ 64.970764] ------------[ cut here ]------------ [ 64.976032] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 64.981944] invalid opcode: 0000 [#1] SMP PTI [ 64.986822] CPU: 0 PID: 740 Comm: cat Tainted: G W 5.10.163-cip24 #1 [ 64.995381] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 65.002009] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 65.006397] Code: 89 ff e8 de 6a a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 c0 85 93 02 [ 65.027388] RSP: 0018:ffff92d84133fe60 EFLAGS: 00010286 [ 65.033231] RAX: ffffffffb20e4090 RBX: 0000000000000001 RCX: 0000000000000000 [ 65.041205] RDX: 0000000000000000 RSI: ffff8b437bc1bf70 RDI: ffffffffb2ed0fb0 [ 65.049180] RBP: ffffffffb3317a00 R08: 0000000000000001 R09: 0000000000000001 [ 65.057151] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 65.065120] R13: ffff92d84133ff10 R14: ffff92d84133ff10 R15: ffff8b4305f42000 [ 65.073093] FS: 00007fbe11e0c580(0000) GS:ffff8b437bc00000(0000) knlGS:0000000000000000 [ 65.082123] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.088538] CR2: 00007fbe11c15000 CR3: 0000000105d7a000 CR4: 00000000003506f0 [ 65.096509] Call Trace: [ 65.099249] direct_entry.cold+0x2c/0x38 [ 65.103643] full_proxy_write+0x56/0x80 [ 65.107933] vfs_write+0xea/0x3a0 [ 65.111639] ksys_write+0x68/0xf0 [ 65.115348] do_syscall_64+0x33/0x40 [ 65.119347] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 65.124995] RIP: 0033:0x7fbe11d22833 [ 65.128983] 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 [ 65.149968] RSP: 002b:00007fff4adc03e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 65.158429] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fbe11d22833 [ 65.166401] RDX: 0000000000000004 RSI: 00007fbe11c15000 RDI: 0000000000000001 [ 65.174375] RBP: 00007fbe11c15000 R08: 00007fbe11c14010 R09: 0000000000000000 [ 65.182347] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 65.190320] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 65.198304] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 65.214335] ---[ end trace 1d3a9950dc1d73f0 ]--- [ 65.219519] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 65.223926] Code: 89 ff e8 de 6a a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 c0 85 93 02 [ 65.244945] RSP: 0018:ffff92d84133fe60 EFLAGS: 00010286 [ 65.250810] RAX: ffffffffb20e4090 RBX: 0000000000000001 RCX: 0000000000000000 [ 65.258808] RDX: 0000000000000000 RSI: ffff8b437bc1bf70 RDI: ffffffffb2ed0fb0 [ 65.266805] RBP: ffffffffb3317a00 R08: 0000000000000001 R09: 0000000000000001 [ 65.274801] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 65.282801] R13: ffff92d84133ff10 R14: ffff92d84133ff10 R15: ffff8b4305f42000 [ 65.290800] FS: 00007fbe11e0c580(0000) GS:ffff8b437bc00000(0000) knlGS:0000000000000000 [ 65.299908] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.306376] CR2: 00007fbe11c15000 CR3: 0000000105d7a000 CR4: 00000000003506f0 # Segmentation fault # [ 64.965413] lkdtm: Performing direct entry BUG # [ 64.970764] ------------[ cut here ]------------ # [ 64.976032] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 64.981944] invalid opcode: 0000 [#1] SMP PTI # [ 64.986822] CPU: 0 PID: 740 Comm: cat Tainted: G W 5.10.163-cip24 #1 # [ 64.995381] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 65.002009] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 65.006397] Code: 89 ff e8 de 6a a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 c0 85 93 02 # [ 65.027388] RSP: 0018:ffff92d84133fe60 EFLAGS: 00010286 # [ 65.033231] RAX: ffffffffb20e4090 RBX: 0000000000000001 RCX: 0000000000000000 # [ 65.041205] RDX: 0000000000000000 RSI: ffff8b437bc1bf70 RDI: ffffffffb2ed0fb0 # [ 65.049180] RBP: ffffffffb3317a00 R08: 0000000000000001 R09: 0000000000000001 # [ 65.057151] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 65.065120] R13: ffff92d84133ff10 R14: ffff92d84133ff10 R15: ffff8b4305f42000 # [ 65.073093] FS: 00007fbe11e0c580(0000) GS:ffff8b437bc00000(0000) knlGS:0000000000000000 # [ 65.082123] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.088538] CR2: 00007fbe11c15000 CR3: 0000000105d7a000 CR4: 00000000003506f0 # [ 65.096509] Call Trace: # [ 65.099249] direct_entry.cold+0x2c/0x38 # [ 65.103643] full_proxy_write+0x56/0x80 # [ 65.107933] vfs_write+0xea/0x3a0 # [ 65.111639] ksys_write+0x68/0xf0 # [ 65.115348] do_syscall_64+0x33/0x40 # [ 65.119347] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 65.124995] RIP: 0033:0x7fbe11d22833 # [ 65.128983] 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 # [ 65.149968] RSP: 002b:00007fff4adc03e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.158429] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fbe11d22833 # [ 65.166401] RDX: 0000000000000004 RSI: 00007fbe11c15000 RDI: 0000000000000001 #[ 65.561761] lkdtm: Performing direct entry WARNING [ 65.174375] RBP: 00007fbe11c15000 R08: 00007fbe11c14010 R09:[ 65.568356] ------------[ cut here ]------------ [ 65.579800] WARNING: CPU: 0 PID: 776 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 [ 65.589257] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 65.605259] CPU: 0 PID: 776 Comm: cat Tainted: G D W 5.10.163-cip24 #1 [ 65.613842] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 65.620496] RIP: 0010:lkdtm_WARNING+0x13/0x20 [ 65.625386] 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 c0 85 93 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 a1 85 [ 65.646399] RSP: 0018:ffff92d84138fe60 EFLAGS: 00010202 [ 65.652264] RAX: ffffffffb20e40a0 RBX: 0000000000000002 RCX: 0000000000000000 [ 65.660261] RDX: 0000000000000000 RSI: ffff8b437bc1bf70 RDI: ffffffffb2ed0fc0 [ 65.668261] RBP: ffffffffb32bc25f R08: 0000000000000000 R09: 0000000000000000 [ 65.676262] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 [ 65.684268] R13: ffff92d84138ff10 R14: ffff92d84138ff10 R15: ffff8b4302867000 [ 65.692271] FS: 00007f5ac1b9f580(0000) GS:ffff8b437bc00000(0000) knlGS:0000000000000000 [ 65.701337] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.707788] CR2: 00007f5ac19a8000 CR3: 0000000104030000 CR4: 00000000003506f0 [ 65.715784] Call Trace: [ 65.718551] direct_entry.cold+0x2c/0x38 [ 65.722970] full_proxy_write+0x56/0x80 [ 65.727288] vfs_write+0xea/0x3a0 [ 65.731020] ksys_write+0x68/0xf0 [ 65.734756] do_syscall_64+0x33/0x40 [ 65.738787] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 65.744462] RIP: 0033:0x7f5ac1ab5833 [ 65.748482] 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 [ 65.769497] RSP: 002b:00007ffe4fa265a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 65.777992] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f5ac1ab5833 [ 65.785992] RDX: 0000000000000008 RSI: 00007f5ac19a8000 RDI: 0000000000000001 [ 65.793988] RBP: 00007f5ac19a8000 R08: 00007f5ac19a7010 R09: 0000000000000000 [ 65.801988] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 65.809988] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 65.818017] irq event stamp: 0 [ 65.821456] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 65.828488] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 65.837654] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 0000000000000000 # [ 65.182347] R10: fffffffffffffbc5 R11: 0[ 65.846838] softirqs last disabled at (0): [<0000000000000000>] 0x0 000000000000246 R12: 0000000000000001 # [ 65.190320] R13: 000[ 65.860043] ---[ end trace 1d3a9950dc1d73f1 ]--- 0000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.198304] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 65.214335] ---[ end trace 1d3a9950dc1d73f0 ]--- # [ 65.219519] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 65.223926] Code: 89 ff e8 de 6a a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 c0 85 93 02 # [ 65.244945] RSP: 0018:ffff92d84133fe60 EFLAGS: 00010286 # [ 65.250810] RAX: ffffffffb20e4090 RBX: 0000000000000001 RCX: 0000000000000000 # [ 65.258808] RDX: 0000000000000000 RSI: ffff8b437bc1bf70 RDI: ffffffffb2ed0fb0 # [ 65.266805] RBP: ffffffffb3317a00 R08: 0000000000000001 R09: 0000000000000001 # [ 65.274801] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 65.282801] R13: ffff92d84133ff10 R14: ffff92d84133ff10 R15: ffff8b4305f42000 # [ 65.290800] FS: 00007fbe11e0c580(0000) GS:ffff8b437bc00000(0000) knlGS:0000000000000000 # [ 65.299908] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.306376] CR2: 00007fbe11c15000 CR3: 0000000105d7a000 CR4: 00000000003506f0 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 65.561761] lkdtm: Performing direct entry WARNING # [ 65.568356] ------------[ cut here ]------------ # [ 65.579800] WARNING: CPU: 0 PID: 776 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 # [ 65.589257] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 65.605259] CPU: 0 PID: 776 Comm: cat Tainted: G D W 5.10.163-cip24 #1 # [ 65.613842] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 65.620496] RIP: 0010:lkdtm_WARNING+0x13/0x20 # [ 65.625386] 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 c0 85 93 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 a1 85 # [ 65.646399] RSP: 0018:ffff92d84138fe60 EFLAGS: 00010202 # [ 66.088618] lkdtm: Performing direct entry WARNING_MESSAGE [ 65.652264] RAX: ffffffffb20e40a0 RBX: 0000000000000002 RCX: [ 66.095195] ------------[ cut here ]------------ 0000000000000000 # [ 65.660261] RDX: 0000000000000000 RSI: ff[ 66.106616] Warning message trigger count: 2 ff8b437bc1bf70 RDI: ffffffffb2ed0fc0 # [ 65.668261] RBP: ffff[ 66.117674] WARNING: CPU: 3 PID: 811 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 ffffb32bc25f R08: 0000000000000000 R09: 0000000000000000 # [ [ 66.134092] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 65.676262] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000[ 66.156256] CPU: 3 PID: 811 Comm: cat Tainted: G D W 5.10.163-cip24 #1 000000000008 # [ 65.684268] R13: ffff92d84138ff10 R14: ffff92[ 66.171048] Hardware name: Google Coral/Coral, BIOS 09/29/2020 d84138ff10 R15: ffff8b4302867000 # [ 65.692271] FS: 00007f5a[ 66.184090] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 c1b9f580(0000) GS:ffff8b437bc00000(0000) knlGS:0000000000000000 [ 66.195795] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 a1 85 93 02 48 c7 c7 c0 c7 2b b3 8d 70 01 89 35 91 85 93 02 e8 27 37 66 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 65.701337] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050[ 66.223211] RSP: 0018:ffff92d841427e60 EFLAGS: 00010286 033 # [ 65.707788] CR2: 00007f5ac19a8000 CR3: 000000010403000[ 66.235278] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 0 CR4: 00000000003506f0 # [ 65.715784] Call Trace: # [ 65.[ 66.249470] RDX: ffff8b437bdac660 RSI: ffff8b437bd9bf70 RDI: ffff8b437bd9bf70 718551] direct_entry.cold+0x2c/0x38 # [ 65.722970] full_pro[ 66.263468] RBP: ffffffffb32bc267 R08: 0000000000000000 R09: 0000000000000000 xy_write+0x56/0x80 # [ 65.727288] vfs_write+0xea/0x3a0 # [ [ 66.277639] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 65.731020] ksys_write+0x68/0xf0 # [ 65.734756] do_syscall[ 66.291843] R13: ffff92d841427f10 R14: ffff92d841427f10 R15: ffff8b43053ad000 _64+0x33/0x40 # [ 65.738787] entry_SYSCALL_64_after_hwframe+[ 66.306134] FS: 00007f23bc986580(0000) GS:ffff8b437bd80000(0000) knlGS:0000000000000000 0x61/0xc6 # [ 65.744462] RIP: 0033:0x7f5ac1ab5833 # [ 65.7[ 66.321341] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 48482] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff [ 66.334026] CR2: 00007f23bc78f000 CR3: 000000010530e000 CR4: 00000000003506e0 ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 0[ 66.348179] Call Trace: 0 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 [ 66.357159] direct_entry.cold+0x2c/0x38 48 89 54 24 18 # [ 65.769497] RSP: 002b:00007ffe4fa265a8 EFLA[ 66.367804] full_proxy_write+0x56/0x80 GS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.777992] RAX: f[ 66.378289] vfs_write+0xea/0x3a0 fffffffffffffda RBX: 0000000000000008 RCX: 00007f5ac1ab5833 # [[ 66.388221] ksys_write+0x68/0xf0 65.785992] RDX: 0000000000000008 RSI: 00007f5ac19a8000 RDI: 0[ 66.398201] do_syscall_64+0x33/0x40 000000000000001 # [ 65.793988] RBP: 00007f5ac19a8000 R08: 000[ 66.408424] entry_SYSCALL_64_after_hwframe+0x61/0xc6 07f5ac19a7010 R09: 0000000000000000 # [ 65.801988] R10: fffff[ 66.420267] RIP: 0033:0x7f23bc89c833 ffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 6[ 66.430510] 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 5.809988] R13: 0000000000000001 R14: 0000000000020000 R15: 00000[ 66.457723] RSP: 002b:00007ffc6b97c328 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 00000020000 # [ 65.818017] irq event stamp: 0 # [ 65.82145[ 66.472400] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f23bc89c833 6] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ [ 66.486628] RDX: 0000000000000010 RSI: 00007f23bc78f000 RDI: 0000000000000001 65.828488] hardirqs last disabled at (0): [][ 66.500812] RBP: 00007f23bc78f000 R08: 00007f23bc78e010 R09: 0000000000000000 copy_process+0x664/0x1cb0 # [ 65.837654] softirqs last enab[ 66.515019] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 led at (0): [] copy_process+0x664/0x1cb0 # [ [ 66.529250] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 65.846838] softirqs last disabled at (0): [<0000000000000000>][ 66.543446] irq event stamp: 0 0x0 # [ 65.860043] ---[ end trace 1d3a9950dc1d73f1 ]--- # W[ 66.553100] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh #[ 66.566320] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 selftests: lkdtm: WARNING_MESSAGE.sh [ 66.581684] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 66.594630] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 66.601716] ---[ end trace 1d3a9950dc1d73f2 ]--- # [ 66.088618] lkdtm: Performing direct entry WARNING_MESSAGE # [ 66.095195] ------------[ cut here ]------------ # [ 66.106616] Warning message trigger count: 2 # [ 66.117674] WARNING: CPU: 3 PID: 811 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 66.134092] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.156256] CPU: 3 PID: 811 Comm: cat Tainted: G D W 5.10.163-cip24 #1 # [ 66.171048] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 66.184090] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 66.195795] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 a1 85 93 02 48 c7 c7 c0 c7 2b b3 8d 70 01 89 35 91 85 93 02 e8 27 37 66 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 66.223211] RSP: 0018:ffff92d841427e60 EFLAGS: 00010286 # [ 66.235278] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 66.249470] RDX: ffff8b437bdac660 RSI: ffff8b437bd9bf70 RDI: ffff8b437bd9bf70 # [ 66.263468] RBP: ffffffffb32bc267 R08: 0000000000000000 R09: 0000000000000000 # [ 66.277639] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 66.291843] R13: ffff92d841427f10 R14: ffff92d841427f10 R15: ffff8b43053ad000 # [ 66.306134] FS: 00007f23bc986580(0000) GS:ffff8b437bd80000(0000) knlGS:0000000000000000 # [ 66.321341] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.334026] CR2: 00007f23bc78f000 CR3: 000000010530e000 CR4: 00000000003506e0 # [ 66.348179] Call Trace: # [ 66.357159] direct_entry.cold+0x2c/0x38 # [ 66.367804] full_proxy_write+0x56/0x80 # [ 66.378289] vfs_write+0xea/0x3a0 # [ 66.388221] ksys_write+0x68/0xf0 # [ 66.398201] do_syscall_64+0x33/0x40 # [ 66.408424] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ [ 66.848422] lkdtm: Performing direct entry EXCEPTION 66.420267] RIP: 0033:0x7f23bc89c833 # [ 66.430510] Code: 8b[ 66.859165] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 66.873106] #PF: supervisor write access in kernel mode [ 66.878943] #PF: error_code(0x0002) - not-present page [ 66.884685] PGD 0 P4D 0 [ 66.887521] Oops: 0002 [#2] SMP PTI [ 66.891420] CPU: 3 PID: 843 Comm: cat Tainted: G D W 5.10.163-cip24 #1 [ 66.899976] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 66.906599] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 [ 66.911566] Code: 48 c7 c7 c0 c7 2b b3 8d 70 01 89 35 91 85 93 02 e8 27 37 66 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 [ 66.932550] RSP: 0018:ffff92d84148fe60 EFLAGS: 00010286 [ 66.938392] RAX: ffffffffb20e40f0 RBX: 0000000000000004 RCX: 0000000000000000 [ 66.946369] RDX: 0000000000000000 RSI: ffff8b437bd9bf70 RDI: ffffffffb2ed0fe0 [ 66.954342] RBP: ffffffffb31f1267 R08: 0000000000000000 R09: 0000000000000000 [ 66.962318] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 66.970292] R13: ffff92d84148ff10 R14: ffff92d84148ff10 R15: ffff8b430266f000 [ 66.978269] FS: 00007f1fc2021580(0000) GS:ffff8b437bd80000(0000) knlGS:0000000000000000 [ 66.987311] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.993732] CR2: 0000000000000000 CR3: 00000001013fe000 CR4: 00000000003506e0 [ 67.001704] Call Trace: [ 67.004447] direct_entry.cold+0x2c/0x38 [ 67.008838] full_proxy_write+0x56/0x80 [ 67.013130] vfs_write+0xea/0x3a0 [ 67.016839] ksys_write+0x68/0xf0 [ 67.020548] do_syscall_64+0x33/0x40 [ 67.024545] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 67.030196] RIP: 0033:0x7f1fc1f37833 [ 67.034191] 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 [ 67.055179] RSP: 002b:00007ffd050d6d28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 67.063632] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f1fc1f37833 [ 67.071605] RDX: 000000000000000a RSI: 00007f1fc1e2a000 RDI: 0000000000000001 [ 67.079581] RBP: 00007f1fc1e2a000 R08: 00007f1fc1e29010 R09: 0000000000000000 [ 67.087558] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 67.095534] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 67.103518] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 67.119489] CR2: 0000000000000000 [ 67.123194] ---[ end trace 1d3a9950dc1d73f3 ]--- [ 67.128357] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 67.132741] Code: 89 ff e8 de 6a a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 c0 85 93 02 [ 67.153728] RSP: 0018:ffff92d84133fe60 EFLAGS: 00010286 [ 67.159569] RAX: ffffffffb20e4090 RBX: 0000000000000001 RCX: 0000000000000000 [ 67.167545] RDX: 0000000000000000 RSI: ffff8b437bc1bf70 RDI: ffffffffb2ed0fb0 [ 67.175520] RBP: ffffffffb3317a00 R08: 0000000000000001 R09: 0000000000000001 [ 67.183495] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 67.191469] R13: ffff92d84133ff10 R14: ffff92d84133ff10 R15: ffff8b4305f42000 [ 67.199444] FS: 00007f1fc2021580(0000) GS:ffff8b437bd80000(0000) knlGS:0000000000000000 [ 67.208488] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.214909] CR2: 0000000000000000 CR3: 00000001013fe000 CR4: 00000000003506e0 [ 67.222886] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 67.232803] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 843, name: cat [ 67.241161] INFO: lockdep is turned off. [ 67.245539] irq event stamp: 0 [ 67.248951] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 67.255958] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 67.265098] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 67.274241] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 67.281247] CPU: 3 PID: 843 Comm: cat Tainted: G D W 5.10.163-cip24 #1 [ 67.289802] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 67.296416] Call Trace: [ 67.299157] dump_stack+0x77/0x9b [ 67.302866] ___might_sleep.cold+0xa6/0xb6 [ 67.307448] exit_signals+0x1c/0x2e0 [ 67.311444] do_exit+0xc2/0xaf0 [ 67.314957] ? ksys_write+0x68/0xf0 [ 67.318862] rewind_stack_do_exit+0x17/0x20 [ 67.323539] RIP: 0033:0x7f1fc1f37833 [ 67.327535] 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 [ 67.348523] RSP: 002b:00007ffd050d6d28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 67.356985] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f1fc1f37833 [ 67.364958] RDX: 000000000000000a RSI: 00007f1fc1e2a000 RDI: 0000000000000001 [ 67.372934] RBP: 00007f1fc1e2a000 R08: 00007f1fc1e29010 R09: 0000000000000000 [ 67.380907] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 67.388882] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 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 # [ 66.457723] RSP: 002b:00007ffc6b97c328 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.472400] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f23bc89c833 # [ 66.486628] RDX: 0000000000000010 RSI: 00007f23bc78f000 RDI: 0000000000000001 # [ 66.500812] RBP: 00007f23bc78f000 R08: 00007f23bc78e010 R09: 0000000000000000 # [ 66.515019] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 66.529250] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.543446] irq event stamp: 0 # [ 66.553100] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.566320] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 66.581684] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 66.594630] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.601716] ---[ end trace 1d3a9950dc1d73f2 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 66.848422] lkdtm: Performing direct entry EXCEPTION # [ 66.859165] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 66.873106] #PF: supervisor write access in kernel mode # [ 66.878943] #PF: error_code(0x0002) - not-present page # [ 66.884685] PGD 0 P4D 0 # [ 66.887521] Oops: 0002 [#2] SMP PTI # [ 66.891420] CPU: 3 PID: 843 Comm: cat Tainted: G D W 5.10.163-cip24 #1 # [ 66.899976] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 66.906599] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 66.911566] Code: 48 c7 c7 c0 c7 2b b3 8d 70 01 89 35 91 85 93 02 e8 27 37 66 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 # [ 66.932550] RSP: 0018:ffff92d84148fe60 EFLAGS: 00010286 # [ 66.938392] RAX: ffffffffb20e40f0 RBX: 0000000000000004 RCX: 0000000000000000 # [ 66.946369] RDX: 0000000000000000 RSI: ffff8b437bd9bf70 RDI: ffffffffb2ed0fe0 # [ 66.954342] RBP: ffffffffb31f1267 R08: 0000000000000000 R09: 0000000000000000 # [ 66.962318] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 66.970292] R13: ffff92d84148ff10 R14: ffff92d84148ff10 R15: ffff8b430266f000 # [ 66.978269] FS: 00007f1fc2021580(0000) GS:ffff8b437bd80000(0000) knlGS:0000000000000000 # [ 66.987311] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.993732] CR2: 0000000000000000 CR3: 00000001013fe000 CR4: 00000000003506e0 # [ 67.001704] Call Trace: # [ 67.004447] direct_entry.cold+0x2c/0x38 # [ 67.008838] full_proxy_write+0x56/0x80 # [ 67.013130] vfs_write+0xea/0x3a0 # [ 67.016839] ksys_write+0x68/0xf0 # [ 67.020548] do_syscall_64+0x33/0x40 # [ 67.024545] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 67.030196] RIP: 0033:0x7f1fc1f37833 # [ 67.034191] 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 # [ 67.055179] RSP: 002b:00007ffd050d6d28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.063632] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f1fc1f37833 # [ 67.071605] RDX: 000000000000000a RSI: 00007f1fc1e2a000 RDI: 0000000000000001 # [ 67.079581] RBP: 00007f1fc1e2a000 R08: 00007f1fc1e29010 R09: 0000000000000000 # [ 67.087558] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 67.095534] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.103518] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 67.119489] CR2: 0000000000000000 # [ 67.123194] ---[ end trace 1d3a9950dc1d73f3 ]--- # [ 67.128357] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 67.132741] Code: 89 ff e8 de 6a a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 c0 85 93 02 # [ 67.153728] RSP: 0018:ffff92d84133fe60 EFLAGS: 00010286 # [ 67.159569] RAX: ffffffffb20e4090 RBX: 0000000000000001 RCX: 0000000000000000 # [ 67.167545] RDX: 0000000000000000 RSI: ffff8b437bc1bf70 RDI: ffffffffb2ed0fb0 # [ 67.175520] RBP: ffffffffb3317a00 R08: 0000000000000001 R09: 0000000000000001 # [ 67.183495] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 67.191469] R13: ffff92d84133ff10 R14: ffff92d84133ff10 R15: ffff8b4305f42000 # [ 67.199444] FS: 00007f1fc2021580(0000) GS:ffff8b437bd80000(0000) knlGS:0000000000000000 # [ 67.208488] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.214909] CR2: 0000000000000000 CR3: 00000001013fe000 CR4: 00000000003506e0 # [ 67.222886] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 67.232803] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 843, name: cat # [ 67.241161] INFO: lockdep is turned off. # [ 67.245539] irq event stamp: 0 # [ 67.248951] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.255958] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 67.265098] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 67.274241] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.281247] CPU: 3 PID: 843 Comm: cat Tainted: G D W 5.10.163-cip24 #1 # [ 67.289802] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 67.296416] Call Trace: # [ 67.299157] dump_stack+0x77/0x9b # [ 67.302866] ___might_sleep.cold+0xa6/0xb6 # [ 67.307448] exit_signals+0x1c/0x2e0 # [ 67.311444] do_exit+0xc2/0xaf0 # [ 67.314957] ? ksys_write+0x68/0xf0 # [ 67.318862] rewind_stack_do_exit+0x17/0x20 # [ 67.323539] RIP: 0033:0x7f1fc1f37833 # [ 67.327535] 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 # [ 67.348523] RSP: 002b:00007ffd050d6d28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.356985] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f1fc1f37833 # [ 67.364958] RDX: 000000000000000a RSI: 00007f1fc1e2a000 RDI: 0000000000000001 # [ 67.372934] RBP: 00007f1fc1e2a000 R08: 00007f1fc1e29010 R09: 0000000000000000 # [ 67.380907] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 67.388882] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXCEPTION: saw 'call trace:': ok ok 5 selftests: lkdtm: EXCEPTION.sh # selftests: lkdtm: LOOP.sh # Skipping LOOP: Hangs the system ok 6 selftests: lkdtm: LOOP.sh # SKIP # selftests: lkdtm: EXHAUST_STACK.sh # Skipping EXHAUST_STACK: Corrupts memory on failure ok 7 selftests: lkdtm: EXHAUST_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK.sh # Skipping CORRUPT_STACK: Crashes entire system on success ok 8 selftests: lkdtm: CORRUPT_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK_STRONG.sh # Skipping CORRUPT_STACK_STRONG: Crashes entire system on success ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP # selftests: lkdtm: CORRUPT_LIST_ADD.sh [ 68.177508] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 68.183828] lkdtm: attempting good list addition [ 68.189018] lkdtm: attempting corrupted list addition [ 68.194698] lkdtm: list_add() corruption not detected! # [ 68.177508] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 68.183828] lkdtm: attempting good list addition # [ 68.189018] lkdtm: attempting corrupted list addition # [ 68.194698] 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 [ 68.416435] lkdtm: Performing direct entry CORRUPT_LIST_DEL [ 68.422703] lkdtm: attempting good list removal [ 68.427814] lkdtm: attempting corrupted list removal [ 68.433399] lkdtm: list_del() corruption not detected! # [ 68.416435] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 68.422703] lkdtm: attempting good list removal # [ 68.427814] lkdtm: attempting corrupted list removal # [ 68.433399] 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 [ 68.661707] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 68.668759] lkdtm: attempting bad read from page below current stack [ 68.675909] BUG: stack guard page was hit at 00000000ea3a9e69 (stack is 00000000009b2af9..0000000029e53f55) [ 68.686808] kernel stack overflow (page fault): 0000 [#3] SMP PTI [ 68.693623] CPU: 0 PID: 1068 Comm: cat Tainted: G D W 5.10.163-cip24 #1 [ 68.702279] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 68.708907] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a [ 68.715430] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 60 cb 2b b3 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 28 9d fd ff 48 c7 c7 a0 cb 2b b3 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 0e 9d fd ff 0f 1f 44 [ 68.736418] RSP: 0018:ffff92d8417d7e50 EFLAGS: 00010246 [ 68.742262] RAX: 0000000000000038 RBX: ffff92d8417d4000 RCX: 0000000000000000 [ 68.750237] RDX: 0000000000000000 RSI: ffff8b437bc1bf70 RDI: ffffffffb32bcba0 [ 68.758212] RBP: ffffffffb32bc2ca R08: 0000000000000000 R09: 0000000000000000 [ 68.766187] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 [ 68.774161] R13: ffff92d8417d7f10 R14: ffff92d8417d7f10 R15: ffff8b43034e2000 [ 68.782140] FS: 00007f7a72d79580(0000) GS:ffff8b437bc00000(0000) knlGS:0000000000000000 [ 68.791187] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.797606] CR2: ffff92d8417d3fff CR3: 0000000102bf0000 CR4: 00000000003506f0 [ 68.805583] Call Trace: [ 68.808323] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 [ 68.813393] direct_entry.cold+0x2c/0x38 [ 68.817785] full_proxy_write+0x56/0x80 [ 68.822079] vfs_write+0xea/0x3a0 [ 68.825785] ksys_write+0x68/0xf0 [ 68.829492] do_syscall_64+0x33/0x40 [ 68.833492] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 68.839141] RIP: 0033:0x7f7a72c8f833 [ 68.843139] 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 [ 68.864127] RSP: 002b:00007ffc7a3ab1f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 68.872583] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f7a72c8f833 [ 68.880557] RDX: 0000000000000019 RSI: 00007f7a72b82000 RDI: 0000000000000001 [ 68.888532] RBP: 00007f7a72b82000 R08: 00007f7a72b81010 R09: 0000000000000000 [ 68.896508] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 68.904483] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 68.912468] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 68.928448] ---[ end trace 1d3a9950dc1d73f4 ]--- [ 68.933614] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 68.937998] Code: 89 ff e8 de 6a a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 c0 85 93 02 [ 68.958996] RSP: 0018:ffff92d84133fe60 EFLAGS: 00010286 [ 68.964831] RAX: ffffffffb20e4090 RBX: 0000000000000001 RCX: 0000000000000000 [ 68.972807] RDX: 0000000000000000 RSI: ffff8b437bc1bf70 RDI: ffffffffb2ed0fb0 [ 68.980783] RBP: ffffffffb3317a00 R08: 0000000000000001 R09: 0000000000000001 [ 68.988759] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 68.996739] R13: ffff92d84133ff10 R14: ffff92d84133ff10 R15: ffff8b4305f42000 [ 69.004716] FS: 00007f7a72d79580(0000) GS:ffff8b437bc00000(0000) knlGS:0000000000000000 [ 69.013763] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.020187] CR2: ffff92d8417d3fff CR3: 0000000102bf0000 CR4: 00000000003506f0 [ 69.028168] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 69.038087] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1068, name: cat [ 69.046548] INFO: lockdep is turned off. [ 69.050930] irq event stamp: 0 [ 69.054342] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 69.061354] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 69.070496] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 69.079638] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 69.086647] CPU: 0 PID: 1068 Comm: cat Tainted: G D W 5.10.163-cip24 #1 [ 69.095292] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 69.101907] Call Trace: [ 69.104648] dump_stack+0x77/0x9b [ 69.108357] ___might_sleep.cold+0xa6/0xb6 [ 69.112941] exit_signals+0x1c/0x2e0 [ 69.116940] do_exit+0xc2/0xaf0 [ 69.120454] ? ksys_write+0x68/0xf0 [ 69.124356] rewind_stack_do_exit+0x17/0x20 [ 69.129032] RIP: 0033:0x7f7a72c8f833 [ 69.133030] 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 [ 69.154020] RSP: 002b:00007ffc7a3ab1f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 69.162485] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f7a72c8f833 [ 69.170459] RDX: 0000000000000019 RSI: 00007f7a72b82000 RDI: 0000000000000001 [ 69.178435] RBP: 00007f7a72b82000 R08: 00007f7a72b81010 R09: 0000000000000000 [ 69.186411] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 69.194386] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # Segmentation fault # [ 68.661707] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 68.668759] lkdtm: attempting bad read from page below current stack # [ 68.675909] BUG: stack guard page was hit at 00000000ea3a9e69 (stack is 00000000009b2af9..0000000029e53f55) # [ 68.686808] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 68.693623] CPU: 0 PID: 1068 Comm: cat Tainted: G D W 5.10.163-cip24 #1 # [ 68.702279] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 68.708907] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 68.715430] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 60 cb 2b b3 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 28 9d fd ff 48 c7 c7 a0 cb 2b b3 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 0e 9d fd ff 0f 1f 44 # [ 68.736418] RSP: 0018:ffff92d8417d7e50 EFLAGS: 00010246 # [ 68.742262] RAX: 0000000000000038 RBX: ffff92d8417d4000 RCX: 0000000000000000 # [ 68.750237] RDX: 0000000000000000 RSI: ffff8b437bc1bf70 RDI: ffffffffb32bcba0 # [ 68.758212] RBP: ffffffffb32bc2ca R08: 0000000000000000 R09: 0000000000000000 # [ 68.766187] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 68.774161] R13: ffff92d8417d7f10 R14: ffff92d8417d7f10 R15: ffff8b43034e2000 # [ 68.782140] FS: 00007f7a72d79580(0000) GS:ffff8b437bc00000(0000) knlGS:0000000000000000 # [ 68.791187] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.797606] CR2: ffff92d8417d3fff CR3: 0000000102bf0000 CR4: 00000000003506f0 # [ 68.805583] Call Trace: # [ 68.808323] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 # [ 68.813393] direct_entry.cold+0x2c/0x38 # [ 68.817785] full_proxy_write+0x56/0x80 # [ 68.822079] vfs_write+0xea/0x3a0 # [ 68.825785] ksys_write+0x68/0xf0 # [ 68.829492] do_syscall_64+0x33/0x40 # [ 68.833492] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 68.839141] RIP: 0033:0x7f7a72c8f833 # [ 68.843139] 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 # [ 68.864127] RSP: 002b:00007ffc7a3ab1f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.872583] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f7a72c8f833 # [ 68.880557] RDX: 0000000000000019 RSI: 00007f7a72b82000 RDI: 0000000000000[ 69.468686] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING 001 # [ 68.888532] RBP: 00007f7a72b82000 R08: 00007f7a72b8101[ 69.480014] lkdtm: attempting bad read from page above current stack [ 69.493390] BUG: stack guard page was hit at 0000000073ade80c (stack is 00000000a4f93807..00000000356a5ff3) 0 R09: 0000000000000000 # [ 68.896508] R10: fffffffffffffbc5 [ 69.504291] kernel stack overflow (page fault): 0000 [#4] SMP PTI R1[1: 0000000000000246 R12: 0000000000000001 # [ 68.904483] R1 69.517320] CPU: 0 PID: 1101 Comm: cat Tainted: G D W 5.10.163-cip24 #1 [ 69.532190] Hardware name: Google Coral/Coral, BIOS 09/29/2020 3: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 69.538817] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 68.912468] Modules linked in: fuse ip_tables cros_ec_sysf[ 69.551651] Code: 9d fd ff 0f 1f 44 00 00 53 48 c7 c7 d8 cb 2b b3 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 ee 9c fd ff 48 c7 c7 18 cc 2b b3 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 d1 9c fd ff [ 69.578853] RSP: 0018:ffff92d84184fe50 EFLAGS: 00010246 [ 69.584697] RAX: 0000000000000038 RBX: ffff92d84184c000 RCX: 0000000000000000 [ 69.592670] RDX: 0000000000000000 RSI: ffff8b437bc1bf70 RDI: ffffffffb32bcc18 [ 69.600646] RBP: ffffffffb32bc2e3 R08: 0000000000000000 R09: 0000000000000000 [ 69.608623] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a [ 69.616596] R13: ffff92d84184ff10 R14: ffff92d84184ff10 R15: ffff8b430133a000 [ 69.624574] FS: 00007fb1e558e580(0000) GS:ffff8b437bc00000(0000) knlGS:0000000000000000 [ 69.633618] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.640040] CR2: ffff92d841850000 CR3: 00000001028e2000 CR4: 00000000003506f0 [ 69.648012] Call Trace: [ 69.650752] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a [ 69.656595] direct_entry.cold+0x2c/0x38 [ 69.660984] full_proxy_write+0x56/0x80 [ 69.665276] vfs_write+0xea/0x3a0 [ 69.668985] ksys_write+0x68/0xf0 [ 69.672691] do_syscall_64+0x33/0x40 [ 69.676691] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 69.682340] RIP: 0033:0x7fb1e54a4833 [ 69.686339] 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 [ 69.707316] RSP: 002b:00007fff1f56c4f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 69.715779] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007fb1e54a4833 [ 69.723752] RDX: 000000000000001a RSI: 00007fb1e5397000 RDI: 0000000000000001 [ 69.731730] RBP: 00007fb1e5397000 R08: 00007fb1e5396010 R09: 0000000000000000 [ 69.739708] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 69.747688] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 69.755679] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 69.771664] ---[ end trace 1d3a9950dc1d73f5 ]--- [ 69.776830] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 69.781216] Code: 89 ff e8 de 6a a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 c0 85 93 02 [ 69.802209] RSP: 0018:ffff92d84133fe60 EFLAGS: 00010286 [ 69.808050] RAX: ffffffffb20e4090 RBX: 0000000000000001 RCX: 0000000000000000 [ 69.816025] RDX: 0000000000000000 RSI: ffff8b437bc1bf70 RDI: ffffffffb2ed0fb0 [ 69.824002] RBP: ffffffffb3317a00 R08: 0000000000000001 R09: 0000000000000001 [ 69.831978] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 69.839956] R13: ffff92d84133ff10 R14: ffff92d84133ff10 R15: ffff8b4305f42000 [ 69.847932] FS: 00007fb1e558e580(0000) GS:ffff8b437bc00000(0000) knlGS:0000000000000000 [ 69.856979] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.863399] CR2: ffff92d841850000 CR3: 00000001028e2000 CR4: 00000000003506f0 s cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 68.928448] ---[ end trace 1d3a9950dc1d73f4 ]--- # [ 68.933614] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 68.937998] Code: 89 ff e8 de 6a a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 c0 85 93 02 # [ 68.958996] RSP: 0018:ffff92d84133fe60 EFLAGS: 00010286 # [ 68.964831] RAX: ffffffffb20e4090 RBX: 0000000000000001 RCX: 0000000000000000 # [ 68.972807] RDX: 0000000000000000 RSI: ffff8b437bc1bf70 RDI: ffffffffb2ed0fb0 # [ 68.980783] RBP: ffffffffb3317a00 R08: 0000000000000001 R09: 0000000000000001 # [ 68.988759] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 68.996739] R13: ffff92d84133ff10 R14: ffff92d84133ff10 R15: ffff8b4305f42000 # [ 69.004716] FS: 00007f7a72d79580(0000) GS:ffff8b437bc00000(0000) knlGS:0000000000000000 # [ 69.013763] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.020187] CR2: ffff92d8417d3fff CR3: 0000000102bf0000 CR4: 00000000003506f0 # [ 69.028168] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 69.038087] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1068, name: cat # [ 69.046548] INFO: lockdep is turned off. # [ 69.050930] irq event stamp: 0 # [ 69.054342] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 69.061354] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 69.070496] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 69.079638] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 69.086647] CPU: 0 PID: 1068 Comm: cat Tainted: G D W 5.10.163-cip24 #1 # [ 69.095292] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 69.101907] Call Trace: # [ 69.104648] dump_stack+0x77/0x9b # [ 69.108357] ___might_sleep.cold+0xa6/0xb6 # [ 69.112941] exit_signals+0x1c/0x2e0 # [ 69.116940] do_exit+0xc2/0xaf0 # [ 69.120454] ? ksys_write+0x68/0xf0 # [ 69.124356] rewind_stack_do_exit+0x17/0x20 # [ 69.129032] RIP: 0033:0x7f7a72c8f833 # [ 69.133030] 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 # [ 69.154020] RSP: 002b:00007ffc7a3ab1f8 EFLAGS: 00000246 ORIG_RAX: 000000[ 70.119605] lkdtm: Performing direct entry UNSET_SMEP 0000000001 # [ 69.162485] RAX: ffffffffffffffda RBX: 00000000[ 70.125807] lkdtm: trying to clear SMEP normally 00000019 RCX: 00007f7a72c8f833 # [ 69.170459] RDX: 0000000000[ 70.137213] ------------[ cut here ]------------ 000019 RSI: 00007f7a72b82000 RDI: 0000000000000001 # [ 69.178[ 70.148625] pinned CR4 bits changed: 0x100000!? 435] RBP: 00007f7a72b82000 R08: 00007f7a72b81010 R09: 0000000000[ 70.159898] WARNING: CPU: 3 PID: 1137 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 000000 # [ 69.186411] R10: fffffffffffffbc5 R11: 000000000000[ 70.176601] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0246 R12: 0000000000000001 # [ 69.194386] R13: 00000000000000[ 70.198596] CPU: 3 PID: 1137 Comm: cat Tainted: G D W 5.10.163-cip24 #1 01 R14: 0000000000020000 R15: 0000000000020000 # STACK_GUARD_PA[ 70.213593] Hardware name: Google Coral/Coral, BIOS 09/29/2020 GE_LEADING: saw 'call trace:': ok ok 12 selftests: lkdtm: STACK[ 70.226435] RIP: 0010:native_write_cr4+0x45/0x60 _GUARD_PAGE_LEADING.sh # selftests: lkdtm: STACK_GUARD_PAGE_TRA[ 70.237653] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 90 a5 e3 01 00 75 f2 48 c7 c7 80 b2 1f b3 c6 05 80 a5 e3 01 01 e8 12 2b e8 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 ILING.sh # Segmentation fault # [ 69.468686] lkdtm: Performi[ 70.264930] RSP: 0018:ffff92d8418c7e48 EFLAGS: 00010286 ng direct entry STACK_GUARD_PAGE_TRAILING # [ 69.480014] lkdt[ 70.276918] RAX: 0000000000000000 RBX: 00000000002506e0 RCX: 0000000000000000 m: attempting bad read from page above current stack # [ 69.4[ 70.291160] RDX: ffff8b437bdac660 RSI: ffff8b437bd9bf70 RDI: ffff8b437bd9bf70 93390] BUG: stack guard page was hit at 0000000073ade80c (stack [ 70.305321] RBP: ffffffffb32bc2fd R08: 0000000000000000 R09: 0000000000000000 is 00000000a4f93807..00000000356a5ff3) # [ 69.504291] kernel [ 70.319549] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b stack overflow (page fault): 0000 [#4] SMP PTI # [ 69.517320][ 70.333721] R13: ffff92d8418c7f10 R14: ffff92d8418c7f10 R15: ffff8b4305c4b000 CPU: 0 PID: 1101 Comm: cat Tainted: G D W 5.10.163[ 70.347950] FS: 00007f60a2b86580(0000) GS:ffff8b437bd80000(0000) knlGS:0000000000000000 -cip24 #1 # [ 69.532190] Hardware name: Google Coral/Coral, B[ 70.363185] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 IOS 09/29/2020 # [ 69.538817] RIP: 0010:lkdtm_STACK_GUARD_PA[ 70.375863] CR2: 00007f60a298f000 CR3: 00000001040c2000 CR4: 00000000003506e0 GE_TRAILING+0x27/0x3d # [ 69.551651] Code: 9d fd ff 0f 1f 44 [ 70.390048] Call Trace: 00 00 53 48 c7 c7 d8 cb 2b b3 50 65 48 8b 04 25 40 b0 01 00 48 8[ 70.399047] lkdtm_UNSET_SMEP.cold+0x1d/0x103 b 58 18 e8 ee 9c fd ff 48 c7 c7 18 cc 2b b3 <8a> 83 00 40 00 00 [ 70.410066] direct_entry.cold+0x2c/0x38 88 44 24 07 0f b6 74 24 07 5a 5b e9 d1 9c fd ff # [ 69.578853[ 70.420808] full_proxy_write+0x56/0x80 ] RSP: 0018:ffff92d84184fe50 EFLAGS: 00010246 # [ 69.584697] [ 70.431336] vfs_write+0xea/0x3a0 RAX: 0000000000000038 RBX: ffff92d84184c000 RCX: 000000000000000[ 70.441299] ksys_write+0x68/0xf0 0 # [ 69.592670] RDX: 0000000000000000 RSI: ffff8b437bc1bf70 [ 70.451231] do_syscall_64+0x33/0x40 RDI: ffffffffb32bcc18 # [ 69.600646] RBP: ffffffffb32bc2e3 R0[ 70.461432] entry_SYSCALL_64_after_hwframe+0x61/0xc6 8: 0000000000000000 R09: 0000000000000000 # [ 69.608623] R10:[ 70.473321] RIP: 0033:0x7f60a2a9c833 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a #[ 70.483572] 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 [ 69.616596] R13: ffff92d84184ff10 R14: ffff92d84184ff10 R15:[ 70.510748] RSP: 002b:00007ffd03c69e58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ffff8b430133a000 # [ 69.624574] FS: 00007fb1e558e580(0000) [ 70.525457] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f60a2a9c833 GS:ffff8b437bc00000(0000) knlGS:0000000000000000 # [ 69.63361[ 70.539632] RDX: 000000000000000b RSI: 00007f60a298f000 RDI: 0000000000000001 8] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.6[ 70.553822] RBP: 00007f60a298f000 R08: 00007f60a298e010 R09: 0000000000000000 40040] CR2: ffff92d841850000 CR3: 00000001028e2000 CR4: 00000000[ 70.567995] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 003506f0 # [ 69.648012] Call Trace: # [ 69.650752] ? lkdt[ 70.582201] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 m_STACK_GUARD_PAGE_LEADING+0x3a/0x3a # [ 69.656595] direct_e[ 70.596408] irq event stamp: 0 ntry.cold+0x2c/0x38 # [ 69.660984] full_proxy_write+0x56/0x8[ 70.606105] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0 # [ 69.665276] vfs_write+0xea/0x3a0 # [ 69.668985] ksy[ 70.619346] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 s_write+0x68/0xf0 # [ 69.672691] do_syscall_64+0x33/0x40 # [ 70.634688] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 69.676691] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ [ 70.649974] softirqs last disabled at (0): [<0000000000000000>] 0x0 69.682340] RIP: 0033:0x7fb1e54a4833 # [ 69.686339] Code: 8b 1[ 70.663130] ---[ end trace 1d3a9950dc1d73f6 ]--- 5 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00[ 70.674487] lkdtm: ok: SMEP did not get cleared 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3[ 70.685744] lkdtm: trying to clear SMEP with call gadget d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 #[ 70.697961] lkdtm: ok: SMEP removal was reverted [ 69.707316] RSP: 002b:00007fff1f56c4f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 69.715779] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007fb1e54a4833 # [ 69.723752] RDX: 000000000000001a RSI: 00007fb1e5397000 RDI: 0000000000000001 # [ 69.731730] RBP: 00007fb1e5397000 R08: 00007fb1e5396010 R09: 0000000000000000 # [ 69.739708] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 69.747688] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 69.755679] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 69.771664] ---[ end trace 1d3a9950dc1d73f5 ]--- # [ 69.776830] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 69.781216] Code: 89 ff e8 de 6a a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 c0 85 93 02 # [ 69.802209] RSP: 0018:ffff92d84133fe60 EFLAGS: 00010286 # [ 69.808050] RAX: ffffffffb20e4090 RBX: 0000000000000001 RCX: 0000000000000000 # [ 69.816025] RDX: 0000000000000000 RSI: ffff8b437bc1bf70 RDI: ffffffffb2ed0fb0 # [ 69.824002] RBP: ffffffffb3317a00 R08: 0000000000000001 R09: 0000000000000001 # [ 69.831978] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 69.839956] R13: ffff92d84133ff10 R14: ffff92d84133ff10 R15: ffff8b4305f42000 # [ 69.847932] FS: 00007fb1e558e580(0000) GS:ffff8b437bc00000(0000) knlGS:0000000000000000 # [ 69.856979] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.863399] CR2: ffff92d841850000 CR3: 00000001028e2000 CR4: 00000000003506f0 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 70.119605] lkdtm: Performing direct entry UNSET_SMEP # [ 70.125807] lkdtm: trying to clear SMEP normally # [ 70.137213] ------------[ cut here ]------------ # [ 70.148625] pinned CR4 bits changed: 0x100000!? # [ 70.159898] WARNING: CPU: 3 PID: 1137 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 # [ 70.176601] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 70.198596] CPU: 3 PID: 1137 Comm: cat Tainted: G D W 5.10.163-cip24 #1 # [ 70.213593] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 70.226435] RIP: 0010:native_write_cr4+0x45/0x60 # [ 70.237653] Code: 39 c2 75 2d 48 85 f6 75 [ 70.963663] lkdtm: Performing direct entry DOUBLE_FAULT 05 c3 cc cc cc cc 80 3d 90 a5 e3 01 00 75 f2 48 c7 c7 80 b2 1f b[ 70.970007] lkdtm: XFAIL: this test is ia32-only 3 c6 05 80 a5 e3 01 01 e8 12 2b e8 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ 70.264930] RSP: 0018:ffff92d8418c7e48 EFLAGS: 00010286 # [ 70.276918] RAX: 0000000000000000 RBX: 00000000002506e0 RCX: 0000000000000000 # [ 70.291160] RDX: ffff8b437bdac660 RSI: ffff8b437bd9bf70 RDI: ffff8b437bd9bf70 # [ 70.305321] RBP: ffffffffb32bc2fd R08: 0000000000000000 R09: 0000000000000000 # [ 70.319549] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 70.333721] R13: ffff92d8418c7f10 R14: ffff92d8418c7f10 R15: ffff8b4305c4b000 # [ 70.347950] FS: 00007f60a2b86580(0000) GS:ffff8b437bd80000(0000) knlGS:0000000000000000 # [ 70.363185] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.375863] CR2: 00007f60a298f000 CR3: 00000001040c2000 CR4: 00000000003506e0 # [ 70.390048] Call Trace: # [ 70.399047] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 70.410066] direct_entry.cold+0x2c/0x38 # [ 70.420808] full_proxy_write+0x56/0x80 # [ 70.431336] vfs_write+0xea/0x3a0 # [ 70.441299] ksys_write+0x68/0xf0 # [ 70.451231] do_syscall_64+0x33/0x40 # [ 70.461432] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 70.473321] RIP: 0033:0x7f60a2a9c833 # [ 70.483572] 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 # [ 70.510748] RSP: 002b:00007ffd03c69e58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 70.525457] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f60a2a9c833 # [ 70.539632] RDX: 000000000000000b RSI: 00007f60a298f000 RDI: 0000000000000001 # [ 70.553822] RBP: 00007f60a298f000 R08: 00007f60a298e010 R09: 0000000000000000 # [ 70.567995] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 70.582201] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 70.596408] irq event stamp: 0 # [ 70.606105] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 70.619346] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 70.634688] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 70.649974] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 70.663130] ---[ end trace 1d3a9950dc1d73f6 ]--- # [ 70.674487] lkdtm: ok: SMEP did not get cleared # [ 70.685744] lkdtm: trying to clear SMEP with call gadget # [ 70.697961] lkdtm: ok: SMEP removal was reverted # UNSET_SMEP: saw 'pinned CR4 bits changed:': ok ok 14 selftests: lkdtm: UNSET_SMEP.sh # selftests: lkdtm: DOUBLE_FAULT.sh # [ 70.963663] lkdtm: Performing direct entry DOUBLE_FAU[ 71.242473] lkdtm: Performing direct entry CORRUPT_PAC LT # [ 70.970007] lkdtm: XFAIL: this test is ia32-only # DOU[ 71.254405] lkdtm: XFAIL: this test is arm64-only BLE_FAULT: saw 'XFAIL': [SKIP] ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP # selftests: lkdtm: CORRUPT_PAC.sh # [ 71.242473] lkdtm: Performing direct entry CORRUPT_PAC # [ 71.254405] 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 [ 71.510585] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE [ 71.517831] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 71.510585] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 71.517831] 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 [ 72.028795] lkdtm: Performing direct entry READ_AFTER_FREE [ 72.034999] lkdtm: Value in memory before free: 12345678 [ 72.040959] lkdtm: Attempting bad read from freed memory [ 72.046918] lkdtm: Memory was not poisoned # [ 72.028795] lkdtm: Performing direct entry READ_AFTER_FREE # [ 72.034999] lkdtm: Value in memory before free: 12345678 # [ 72.040959] lkdtm: Attempting bad read from freed memory # [ 72.046918] 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 [ 72.401506] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE [ 72.408266] lkdtm: Value in memory before free: 12345678 [ 72.414238] lkdtm: Attempting to read from freed memory [ 72.420549] lkdtm: Buddy page was not poisoned # [ 72.401506] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 72.408266] lkdtm: Value in memory before free: 12345678 # [ 72.414238] lkdtm: Attempting to read from freed memory # [ 72.420549] 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 [ 72.666910] lkdtm: Performing direct entry SLAB_FREE_DOUBLE [ 72.673199] lkdtm: Attempting double slab free ... # [ 72.666910] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 72.673199] 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 [ 72.922982] lkdtm: Performing direct entry SLAB_FREE_CROSS [ 72.929163] lkdtm: Attempting cross-cache slab free ... # [ 72.922982] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 72.929163] 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 [ 73.177831] lkdtm: Performing direct entry SLAB_FREE_PAGE [ 73.183900] lkdtm: Attempting non-Slab slab free ... # [ 73.177831] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 73.183900] 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 [ 73.930145] lkdtm: Performing direct entry EXEC_DATA [ 73.935739] lkdtm: attempting ok execution at ffffffffb20e4460 [ 73.942301] lkdtm: attempting bad execution at ffffffffb4a1c6a0 [ 73.948973] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 73.957340] BUG: unable to handle page fault for address: ffffffffb4a1c6a0 [ 73.965024] #PF: supervisor instruction fetch in kernel mode [ 73.971350] #PF: error_code(0x0011) - permissions violation [ 73.977576] PGD 3fe29067 P4D 3fe29067 PUD 3fe2a063 PMD 80000000414000e3 [ 73.985080] Oops: 0011 [#5] SMP PTI [ 73.988982] CPU: 3 PID: 1644 Comm: cat Tainted: G D W 5.10.163-cip24 #1 [ 73.997637] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 74.004263] RIP: 0010:data_area+0x0/0x40 [ 74.008651] Code: ff ff 00 d5 25 04 43 8b ff ff 00 d4 25 04 43 8b ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 74.029641] RSP: 0018:ffff92d841ff7e48 EFLAGS: 00010246 [ 74.035483] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 74.043461] RDX: 0000000000000000 RSI: ffff8b437bd9bf70 RDI: ffff8b437bd9bf70 [ 74.051434] RBP: ffffffffb4a1c6a0 R08: 0000000000000000 R09: 0000000000000000 [ 74.059410] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 74.067385] R13: ffff92d841ff7f10 R14: ffff92d841ff7f10 R15: ffff8b4302788000 [ 74.075364] FS: 00007f10f247d580(0000) GS:ffff8b437bd80000(0000) knlGS:0000000000000000 [ 74.084398] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.090820] CR2: ffffffffb4a1c6a0 CR3: 00000001034ac000 CR4: 00000000003506e0 [ 74.098799] Call Trace: [ 74.101544] ? execute_location+0x48/0x56 [ 74.106030] ? direct_entry.cold+0x2c/0x38 [ 74.110615] ? full_proxy_write+0x56/0x80 [ 74.115101] ? vfs_write+0xea/0x3a0 [ 74.119002] ? ksys_write+0x68/0xf0 [ 74.122906] ? do_syscall_64+0x33/0x40 [ 74.127098] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 74.132946] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 74.148918] CR2: ffffffffb4a1c6a0 [ 74.152623] ---[ end trace 1d3a9950dc1d73f7 ]--- [ 74.157790] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 74.162178] Code: 89 ff e8 de 6a a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 c0 85 93 02 [ 74.183168] RSP: 0018:ffff92d84133fe60 EFLAGS: 00010286 [ 74.189009] RAX: ffffffffb20e4090 RBX: 0000000000000001 RCX: 0000000000000000 [ 74.196984] RDX: 0000000000000000 RSI: ffff8b437bc1bf70 RDI: ffffffffb2ed0fb0 [ 74.204957] RBP: ffffffffb3317a00 R08: 0000000000000001 R09: 0000000000000001 [ 74.212929] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 74.220900] R13: ffff92d84133ff10 R14: ffff92d84133ff10 R15: ffff8b4305f42000 [ 74.228873] FS: 00007f10f247d580(0000) GS:ffff8b437bd80000(0000) knlGS:0000000000000000 [ 74.237913] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.244334] CR2: ffffffffb4a1c6a0 CR3: 00000001034ac000 CR4: 00000000003506e0 [ 74.252310] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 74.262228] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1644, name: cat [ 74.270689] INFO: lockdep is turned off. [ 74.275069] irq event stamp: 0 [ 74.278486] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 74.285492] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 74.294624] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 74.303765] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 74.310771] CPU: 3 PID: 1644 Comm: cat Tainted: G D W 5.10.163-cip24 #1 [ 74.319424] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 74.326040] Call Trace: [ 74.328782] dump_stack+0x77/0x9b [ 74.332492] ___might_sleep.cold+0xa6/0xb6 [ 74.337076] exit_signals+0x1c/0x2e0 [ 74.341073] do_exit+0xc2/0xaf0 [ 74.344577] ? ksys_write+0x68/0xf0 [ 74.348480] rewind_stack_do_exit+0x17/0x20 [ 74.353157] RIP: 0033:0x7f10f2393833 [ 74.357145] 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 [ 74.378135] RSP: 002b:00007fffb75bbf88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 74.386600] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f10f2393833 [ 74.394572] RDX: 000000000000000a RSI: 00007f10f2286000 RDI: 0000000000000001 [ 74.402550] RBP: 00007f10f2286000 R08: 00007f10f2285010 R09: 0000000000000000 [ 74.410524] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 74.418499] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # Killed # [ 73.930145] lkdtm: Performing direct entry EXEC_DATA # [ 73.935739] lkdtm: attempting ok execution at ffffffffb20e4460 # [ 73.942301] lkdtm: attempting bad execution at ffffffffb4a1c6a0 # [ 73.948973] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 73.957340] BUG: unable to handle page fault for address: ffffffffb4a1c6a0 # [ 73.965024] #PF: supervisor instruction fetch in kernel mode # [ 73.971350] #PF: error_code(0x0011) - permissions violation # [ 73.977576] PGD 3fe29067 P4D 3fe29067 PUD 3fe2a063 PMD 80000000414000e3 # [ 73.985080] Oops: 0011 [#5] SMP PTI # [ 73.988982] CPU: 3 PID: 1644 Comm: cat Tainted: G D W 5.10.163-cip24 #1 # [ 73.997637] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 74.004263] RIP: 0010:data_area+0x0/0x40 # [ 74.008651] Code: ff ff 00 d5 25 04 43 8b ff ff 00 d4 25 04 43 8b ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 74.029641] RSP: 0018:ffff92d841ff7e48 EFLAGS: 00010246 # [ 74.035483] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 74.043461] RDX: 0000000000000000 RSI: ffff8b437bd9bf70 RDI: ffff8b437bd9bf70 # [ 74.051434] RBP: ffffffffb4a1c6a0 R08: 0000000000000000 R09: 0000000000000000 # [ 74.059410] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 74.067385] R13: ffff92d841ff7f10 R14: ffff92d841ff7f10 R15: ffff8b4302788000 # [ 74.075364] FS: 00007f10f247d580(0000) GS:ffff8b437bd80000(0000) knlGS:0000000000000000 # [ 74.084398] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 74.090820] CR2: ffffffffb4a1c6a0 CR3: 00000001034ac000 CR4: 00000000003506e0 # [ 74.098799] Call Trace: # [ 74.101544] ? execute_location+0x48/0x56 # [ 74.106030] ? direct_entry.cold+0x2c/0x38 # [ 74.110615] ? full_proxy_write+0x56/0x80 # [ 74.115101] ? vfs_write+0xea/0x3a0 # [ 74.119002] ? ksys_write+0x68/0xf0 # [ 74.122906] ? do_syscall_64+0x33/0x40 # [ 74.127098] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 74.132946] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 74.148918] CR2: ffffffffb4a1c6a0 # [ 74.152623] ---[ end trace 1d3a9950dc1d73f7 ]--- # [ 74.157790] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 74.162178][ 74.724410] lkdtm: Performing direct entry EXEC_STACK Code: 89 ff e8 de 6a a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 [ 74.731458] lkdtm: attempting ok execution at ffffffffb20e4460 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 0[ 74.744232] lkdtm: attempting bad execution at ffff92d84209fe18 0 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 c0 [ 74.757109] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 74.771601] BUG: unable to handle page fault for address: ffff92d84209fe18 [ 74.779285] #PF: supervisor instruction fetch in kernel mode [ 74.785609] #PF: error_code(0x0011) - permissions violation [ 74.791837] PGD 100000067 P4D 100000067 PUD 100211067 PMD 10538c067 PTE 800000010338e063 [ 74.800897] Oops: 0011 [#6] SMP PTI [ 74.804798] CPU: 3 PID: 1680 Comm: cat Tainted: G D W 5.10.163-cip24 #1 [ 74.813451] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 74.820070] RIP: 0010:0xffff92d84209fe18 [ 74.824453] Code: 00 00 18 fe 09 42 d8 92 ff ff 16 39 77 b2 ff ff ff ff 20 00 00 00 00 00 00 00 26 c4 2b b3 ff ff ff ff 42 3a 77 b2 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 74.845440] RSP: 0018:ffff92d84209fdf8 EFLAGS: 00010246 [ 74.851280] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 74.859254] RDX: 0000000000000000 RSI: ffff8b437bd9bf70 RDI: ffff8b437bd9bf70 [ 74.867228] RBP: ffff92d84209fe18 R08: 0000000000000000 R09: 0000000000000000 [ 74.875204] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 74.883178] R13: ffff92d84209ff10 R14: ffff92d84209ff10 R15: ffff8b430326c000 [ 74.891151] FS: 00007faee3e12580(0000) GS:ffff8b437bd80000(0000) knlGS:0000000000000000 [ 74.900196] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.906613] CR2: ffff92d84209fe18 CR3: 0000000104030000 CR4: 00000000003506e0 [ 74.914581] Call Trace: [ 74.917326] ? execute_location+0x48/0x56 [ 74.921809] ? lkdtm_EXEC_STACK+0x26/0x44 [ 74.926284] ? direct_entry.cold+0x2c/0x38 [ 74.930865] ? full_proxy_write+0x56/0x80 [ 74.935351] ? vfs_write+0xea/0x3a0 [ 74.939251] ? ksys_write+0x68/0xf0 [ 74.943143] ? do_syscall_64+0x33/0x40 [ 74.947324] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 74.953172] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 74.969144] CR2: ffff92d84209fe18 [ 74.972851] ---[ end trace 1d3a9950dc1d73f8 ]--- [ 74.978014] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 74.982399] Code: 89 ff e8 de 6a a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 c0 85 93 02 [ 75.003389] RSP: 0018:ffff92d84133fe60 EFLAGS: 00010286 [ 75.009221] RAX: ffffffffb20e4090 RBX: 0000000000000001 RCX: 0000000000000000 [ 75.017195] RDX: 0000000000000000 RSI: ffff8b437bc1bf70 RDI: ffffffffb2ed0fb0 [ 75.025168] RBP: ffffffffb3317a00 R08: 0000000000000001 R09: 0000000000000001 [ 75.033143] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 75.041117] R13: ffff92d84133ff10 R14: ffff92d84133ff10 R15: ffff8b4305f42000 [ 75.049093] FS: 00007faee3e12580(0000) GS:ffff8b437bd80000(0000) knlGS:0000000000000000 [ 75.058135] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.064556] CR2: ffff92d84209fe18 CR3: 0000000104030000 CR4: 00000000003506e0 85 93 02 # [ 74.183168] RSP: 0018:ffff92d84133fe60 EFLAGS: 00010286 # [ 74.189009] RAX: ffffffffb20e4090 RBX: 0000000000000001 RCX: 0000000000000000 # [ 74.196984] RDX: 0000000000000000 RSI: ffff8b437bc1bf70 RDI: ffffffffb2ed0fb0 # [ 74.204957] RBP: ffffffffb3317a00 R08: 0000000000000001 R09: 0000000000000001 # [ 74.212929] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 74.220900] R13: ffff92d84133ff10 R14: ffff92d84133ff10 R15: ffff8b4305f42000 # [ 74.228873] FS: 00007f10f247d580(0000) GS:ffff8b437bd80000(0000) knlGS:0000000000000000 # [ 74.237913] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 74.244334] CR2: ffffffffb4a1c6a0 CR3: 00000001034ac000 CR4: 00000000003506e0 # [ 74.252310] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 74.262228] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1644, name: cat # [ 74.270689] INFO: lockdep is turned off. # [ 74.275069] irq event stamp: 0 # [ 74.278486] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 74.285492] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 74.294624] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 74.303765] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 74.310771] CPU: 3 PID: 1644 Comm: cat Tainted: G D W 5.10.163-cip24 #1 # [ 74.319424] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 74.326040] Call Trace: # [ 74.328782] dump_stack+0x77/0x9b # [ 74.332492] ___might_sleep.cold+0xa6/0xb6 # [ 74.337076] exit_signals+0x1c/0x2e0 # [ 74.341073] do_exit+0xc2/0xaf0 # [ 74.344577] ? ksys_write+0x68/0xf0 # [ 74.348480] rewind_stack_do_exit+0x17/0x20 # [ 74.353157] RIP: 0033:0x7f10f2393833 # [ 74.357145] 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 # [ 74.378135] RSP: 002b:00007fffb75bbf88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 74.386600] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f10f2393833 # [ 74.394572] RDX: 000000000000000a RSI: 00007f10f2286000 RDI: 0000000000000001 # [ 74.402550] RBP: 00007f10f2286000 R08: 00007f10f2285010 R09: 0000000000000000 # [ 74.410524] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 74.418499] 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 # [ 74.724410] lkdtm: Performing direct entry EXEC_STACK # [ 74.731458] lkdtm: attempting ok execution at ffffffffb20e4460 # [ 74.744232] lkdtm: attempting bad execution at ffff92d84209fe18 # [ 74.757109] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 74.771601] BUG: unable to handle page fault for address: ffff92d84209fe18 # [ 74.779285] #PF: supervisor instruction fetch in kernel mode # [ 74.785609] #PF: error_code(0x0011) - permissions violation # [ 74.791837] PGD 100000067 P4D 100000067 PUD 100211067 PMD 10538c067 PTE 800000010338e063 # [ 74.800897] Oops: 0011 [#6] SMP PTI # [ 74.804798] CPU: 3 PID: 1680 Comm: cat Tainted: G [ 75.400691] lkdtm: Performing direct entry EXEC_KMALLOC [ 75.407846] lkdtm: attempting ok execution at ffffffffb20e4460 D W 5.10.163-cip24 #1 # [ 74.813451] Hardware nam[ 75.414412] lkdtm: attempting bad execution at ffff8b43026cae80 [ 75.427227] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 75.435598] BUG: unable to handle page fault for address: ffff8b43026cae80 e: Google Coral/Coral, BIOS 09/29/2020 # [ 74.820070] RIP: 0[ 75.443282] #PF: supervisor instruction fetch in kernel mode [ 75.455815] #PF: error_code(0x0011) - permissions violation [ 75.462045] PGD 41601067 P4D 41601067 PUD 100853063 PMD 104be4063 PTE 80000001026ca063 [ 75.470910] Oops: 0011 [#7] SMP PTI [ 75.474813] CPU: 2 PID: 1716 Comm: cat Tainted: G D W 5.10.163-cip24 #1 [ 75.483472] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 75.490093] RIP: 0010:0xffff8b43026cae80 [ 75.494478] Code: ff ff 00 10 00 00 00 00 00 00 c0 ae 6c 02 43 8b ff ff 00 10 00 00 00 00 00 00 00 00 00 00 00 00 00 00 bb 24 90 b1 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 [ 75.515466] RSP: 0018:ffff92d842127e38 EFLAGS: 00010246 [ 75.521306] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 75.529282] RDX: 0000000000000000 RSI: ffff8b437bd1bf70 RDI: ffff8b437bd1bf70 [ 75.537257] RBP: ffff8b43026cae80 R08: 0000000000000000 R09: 0000000000000000 [ 75.545233] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 75.553208] R13: ffff92d842127f10 R14: ffff92d842127f10 R15: ffff8b43034cf000 [ 75.561183] FS: 00007f4524e97580(0000) GS:ffff8b437bd00000(0000) knlGS:0000000000000000 [ 75.570228] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.576647] CR2: ffff8b43026cae80 CR3: 000000010501c000 CR4: 00000000003506e0 [ 75.584622] Call Trace: [ 75.587368] ? execute_location+0x48/0x56 [ 75.591855] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 [ 75.596533] ? direct_entry.cold+0x2c/0x38 [ 75.601105] ? full_proxy_write+0x56/0x80 [ 75.605588] ? vfs_write+0xea/0x3a0 [ 75.609478] ? ksys_write+0x68/0xf0 [ 75.613379] ? do_syscall_64+0x33/0x40 [ 75.617571] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 75.623421] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 75.639393] CR2: ffff8b43026cae80 [ 75.643101] ---[ end trace 1d3a9950dc1d73f9 ]--- [ 75.648262] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 75.652646] Code: 89 ff e8 de 6a a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 c0 85 93 02 [ 75.673636] RSP: 0018:ffff92d84133fe60 EFLAGS: 00010286 [ 75.679469] RAX: ffffffffb20e4090 RBX: 0000000000000001 RCX: 0000000000000000 [ 75.687443] RDX: 0000000000000000 RSI: ffff8b437bc1bf70 RDI: ffffffffb2ed0fb0 [ 75.695420] RBP: ffffffffb3317a00 R08: 0000000000000001 R09: 0000000000000001 [ 75.703394] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 75.711367] R13: ffff92d84133ff10 R14: ffff92d84133ff10 R15: ffff8b4305f42000 [ 75.719343] FS: 00007f4524e97580(0000) GS:ffff8b437bd00000(0000) knlGS:0000000000000000 [ 75.728391] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.734816] CR2: ffff8b43026cae80 CR3: 000000010501c000 CR4: 00000000003506e0 [ 75.742796] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 75.752716] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1716, name: cat [ 75.761174] INFO: lockdep is turned off. [ 75.765554] irq event stamp: 0 [ 75.768963] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 75.775971] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 75.785107] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 75.794249] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 75.801254] CPU: 2 PID: 1716 Comm: cat Tainted: G D W 5.10.163-cip24 #1 [ 75.809907] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 75.816521] Call Trace: [ 75.819262] dump_stack+0x77/0x9b [ 75.822972] ___might_sleep.cold+0xa6/0xb6 [ 75.827556] exit_signals+0x1c/0x2e0 [ 75.831553] do_exit+0xc2/0xaf0 [ 75.835066] ? ksys_write+0x68/0xf0 [ 75.838969] rewind_stack_do_exit+0x17/0x20 [ 75.843644] RIP: 0033:0x7f4524dad833 [ 75.847642] 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 [ 75.868627] RSP: 002b:00007fff24a49b28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 75.877090] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f4524dad833 [ 75.885065] RDX: 000000000000000d RSI: 00007f4524ca0000 RDI: 0000000000000001 [ 75.893039] RBP: 00007f4524ca0000 R08: 00007f4524c9f010 R09: 0000000000000000 [ 75.901013] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 75.908988] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 010:0xffff92d84209fe18 # [ 74.824453] Code: 00 00 18 fe 09 42 d8 92 ff ff 16 39 77 b2 ff ff ff ff 20 00 00 00 00 00 00 00 26 c4 2b b3 ff ff ff ff 42 3a 77 b2 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 74.845440] RSP: 0018:ffff92d84209fdf8 EFLAGS: 00010246 # [ 74.851280] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 74.859254] RDX: 0000000000000000 RSI: ffff8b437bd9bf70 RDI: ffff8b437bd9bf70 # [ 74.867228] RBP: ffff92d84209fe18 R08: 0000000000000000 R09: 0000000000000000 # [ 74.875204] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 74.883178] R13: ffff92d84209ff10 R14: ffff92d84209ff10 R15: ffff8b430326c000 # [ 74.891151] FS: 00007faee3e12580(0000) GS:ffff8b437bd80000(0000) knlGS:0000000000000000 # [ 74.900196] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 74.906613] CR2: ffff92d84209fe18 CR3: 0000000104030000 CR4: 00000000003506e0 # [ 74.914581] Call Trace: # [ 74.917326] ? execute_location+0x48/0x56 # [ 74.921809] ? lkdtm_EXEC_STACK+0x26/0x44 # [ 74.926284] ? direct_entry.cold+0x2c/0x38 # [ 74.930865] ? full_proxy_write+0x56/0x80 # [ 74.935351] ? vfs_write+0xea/0x3a0 # [ 74.939251] ? ksys_write+0x68/0xf0 # [ 74.943143] ? do_syscall_64+0x33/0x40 # [ 74.947324] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 74.953172] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 74.969144] CR2: ffff92d84209fe18 # [ 74.972851] ---[ end trace 1d3a9950dc1d73f8 ]--- # [ 74.978014] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 74.982399] Code: 89 ff e8 de 6a a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 c0 85 93 02 # [ 75.003389] RSP: 0018:ffff92d84133fe60 EFLAGS: 00010286 # [ 75.009221] RAX: ffffffffb20e4090 RBX: 0000000000000001 RCX: 0000000000000000 # [ 75.017195] RDX: 0000000000000000 RSI: ffff8b437bc1bf70 RDI: ffffffffb2ed0fb0 # [ 75.025168] RBP: ffffffffb3317a00 R08: 0000000000000001 R09: 0000000000000001 # [ 75.033143] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 75.041117] R13: ffff92d84133ff10 R14: ffff92d84133ff10 R15: ffff8b4305f42000 # [ 75.049093] FS: 00007faee3e12580(0000) GS:ffff8b437bd80000(0000) knlGS:0000000000000000 # [ 75.058135] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 75.064556] CR2: ffff92d84209fe18 CR3: 0000000104030000 CR4: 00000000003506e0 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 75.400691] lkdtm: Performing direct entry EXEC_KMALLOC # [ 75.407846] lkdtm: attempting ok execution at ffffffffb20e4460 # [ 75.414412] lkdtm: attempting bad execution a[ 76.201418] lkdtm: Performing direct entry EXEC_VMALLOC [ 76.208843] lkdtm: attempting ok execution at ffffffffb20e4460 [ 76.215391] lkdtm: attempting bad execution at ffff92d840651000 t ffff8b43026cae80 # [ 75.427227] kernel tried to execute NX-[ 76.222049] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 76.236596] BUG: unable to handle page fault for address: ffff92d840651000 [ 76.244280] #PF: supervisor instruction fetch in kernel mode [ 76.250604] #PF: error_code(0x0011) - permissions violation protected page - exploit attempt? (uid: 0) # [ 75.435598] BUG[ 76.256830] PGD 100000067 P4D 100000067 PUD 100211067 PMD 105f7f067 PTE 800000010528e063 [ 76.272095] Oops: 0011 [#8] SMP PTI : unable to handle page fault for address: ffff8b43026cae80 # [[ 76.275996] CPU: 0 PID: 1752 Comm: cat Tainted: G D W 5.10.163-cip24 #1 [ 76.290856] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 76.297478] RIP: 0010:0xffff92d840651000 [ 76.301868] Code: Unable to access opcode bytes at RIP 0xffff92d840650fd6. 75.443282] #PF: supervisor instruction fetch in kernel mode [ 76.309551] RSP: 0018:ffff92d8421b7e38 EFLAGS: 00010246 [ 76.321598] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 76.329573] RDX: 0000000000000000 RSI: ffff8b437bc1bf70 RDI: ffff8b437bc1bf70 [ 76.337548] RBP: ffff92d840651000 R08: 0000000000000000 R09: 0000000000000000 [ 76.345522] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 76.353496] R13: ffff92d8421b7f10 R14: ffff92d8421b7f10 R15: ffff8b430528e000 [ 76.361472] FS: 00007f527e2ae580(0000) GS:ffff8b437bc00000(0000) knlGS:0000000000000000 [ 76.370515] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.376936] CR2: ffff92d840650fd6 CR3: 00000001034e0000 CR4: 00000000003506f0 [ 76.384908] Call Trace: [ 76.387653] ? execute_location+0x48/0x56 [ 76.392140] ? lkdtm_EXEC_VMALLOC+0x20/0x30 [ 76.396815] ? direct_entry.cold+0x2c/0x38 [ 76.401399] ? full_proxy_write+0x56/0x80 [ 76.405884] ? vfs_write+0xea/0x3a0 [ 76.409785] ? ksys_write+0x68/0xf0 [ 76.413680] ? do_syscall_64+0x33/0x40 [ 76.417872] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 76.423722] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 76.439692] CR2: ffff92d840651000 [ 76.443399] ---[ end trace 1d3a9950dc1d73fa ]--- [ 76.448559] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 76.452943] Code: 89 ff e8 de 6a a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 c0 85 93 02 [ 76.473932] RSP: 0018:ffff92d84133fe60 EFLAGS: 00010286 [ 76.479772] RAX: ffffffffb20e4090 RBX: 0000000000000001 RCX: 0000000000000000 [ 76.487747] RDX: 0000000000000000 RSI: ffff8b437bc1bf70 RDI: ffffffffb2ed0fb0 [ 76.495720] RBP: ffffffffb3317a00 R08: 0000000000000001 R09: 0000000000000001 [ 76.503694] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 76.511672] R13: ffff92d84133ff10 R14: ffff92d84133ff10 R15: ffff8b4305f42000 [ 76.519648] FS: 00007f527e2ae580(0000) GS:ffff8b437bc00000(0000) knlGS:0000000000000000 [ 76.528690] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.535112] CR2: ffff92d840650fd6 CR3: 00000001034e0000 CR4: 00000000003506f0 # [ 75.455815] #PF: error_code(0x0011) - permissions violation # [ 75.462045] PGD 41601067 P4D 41601067 PUD 100853063 PMD 104be4063 PTE 80000001026ca063 # [ 75.470910] Oops: 0011 [#7] SMP PTI # [ 75.474813] CPU: 2 PID: 1716 Comm: cat Tainted: G D W 5.10.163-cip24 #1 # [ 75.483472] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 75.490093] RIP: 0010:0xffff8b43026cae80 # [ 75.494478] Code: ff ff 00 10 00 00 00 00 00 00 c0 ae 6c 02 43 8b ff ff 00 10 00 00 00 00 00 00 00 00 00 00 00 00 00 00 bb 24 90 b1 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 # [ 75.515466] RSP: 0018:ffff92d842127e38 EFLAGS: 00010246 # [ 75.521306] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 75.529282] RDX: 0000000000000000 RSI: ffff8b437bd1bf70 RDI: ffff8b437bd1bf70 # [ 75.537257] RBP: ffff8b43026cae80 R08: 0000000000000000 R09: 0000000000000000 # [ 75.545233] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 75.553208] R13: ffff92d842127f10 R14: ffff92d842127f10 R15: ffff8b43034cf000 # [ 75.561183] FS: 00007f4524e97580(0000) GS:ffff8b437bd00000(0000) knlGS:0000000000000000 # [ 75.570228] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 75.576647] CR2: ffff8b43026cae80 CR3: 000000010501c000 CR4: 00000000003506e0 # [ 75.584622] Call Trace: # [ 75.587368] ? execute_location+0x48/0x56 # [ 75.591855] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 75.596533] ? direct_entry.cold+0x2c/0x38 # [ 75.601105] ? full_proxy_write+0x56/0x80 # [ 75.605588] ? vfs_write+0xea/0x3a0 # [ 75.609478] ? ksys_write+0x68/0xf0 # [ 75.613379] ? do_syscall_64+0x33/0x40 # [ 75.617571] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 75.623421] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 75.639393] CR2: ffff8b43026cae80 # [ 75.643101] ---[ end trace 1d3a9950dc1d73f9 ]--- # [ 75.648262] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 75.652646] Code: 89 ff e8 de 6a a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 c0 85 93 02 # [ 75.673636] RSP: 0018:ffff92d84133fe60 EFLAGS: 00010286 # [ 75.679469] RAX: ffffffffb20e4090 RBX: 0000000000000001 RCX: 0000000000000000 # [ 75.687443] RDX: 0000000000000000 RSI: ffff8b437bc1bf70 RDI: ffffffffb2ed0fb0 # [ 75.695420] RBP: ffffffffb3317a00 R08: 0000000000000001 R09: 0000000000000001 # [ 75.703394] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 75.711367] R13: ffff92d84133ff10 R14: ffff92d84133[ 76.805650] lkdtm: Performing direct entry EXEC_RODATA [ 76.816209] lkdtm: attempting ok execution at ffffffffb20e4460 [ 76.822775] lkdtm: attempting bad execution at ffffffffb2ed1440 [ 76.829426] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 76.837791] BUG: unable to handle page fault for address: ffffffffb2ed1440 [ 76.845475] #PF: supervisor instruction fetch in kernel mode [ 76.851798] #PF: error_code(0x0011) - permissions violation [ 76.858026] PGD 3fe29067 P4D 3fe29067 PUD 3fe2a063 PMD 800000003f8001e1 [ 76.865528] Oops: 0011 [#9] SMP PTI [ 76.869431] CPU: 0 PID: 1788 Comm: cat Tainted: G D W 5.10.163-cip24 #1 [ 76.878086] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 76.884713] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 [ 76.890457] Code: ff ff b2 4e 77 b2 ff ff ff ff 72 c6 2b b3 ff ff ff ff f8 35 77 b2 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 [ 76.911436] RSP: 0018:ffff92d8421f7e48 EFLAGS: 00010246 [ 76.917277] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 76.925252] RDX: 0000000000000000 RSI: ffff8b437bc1bf70 RDI: ffff8b437bc1bf70 [ 76.933229] RBP: ffffffffb2ed1440 R08: 0000000000000000 R09: 0000000000000000 [ 76.941205] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 76.949178] R13: ffff92d8421f7f10 R14: ffff92d8421f7f10 R15: ffff8b43033ba000 [ 76.957155] FS: 00007f1678a60580(0000) GS:ffff8b437bc00000(0000) knlGS:0000000000000000 [ 76.966198] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.972620] CR2: ffffffffb2ed1440 CR3: 0000000102b54000 CR4: 00000000003506f0 [ 76.980596] Call Trace: [ 76.983340] ? execute_location+0x48/0x56 [ 76.987827] ? direct_entry.cold+0x2c/0x38 [ 76.992410] ? full_proxy_write+0x56/0x80 [ 76.996896] ? vfs_write+0xea/0x3a0 [ 77.000797] ? ksys_write+0x68/0xf0 [ 77.004703] ? do_syscall_64+0x33/0x40 [ 77.008896] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 77.014746] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 77.030719] CR2: ffffffffb2ed1440 [ 77.034424] ---[ end trace 1d3a9950dc1d73fb ]--- [ 77.039590] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 77.043975] Code: 89 ff e8 de 6a a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 c0 85 93 02 [ 77.064960] RSP: 0018:ffff92d84133fe60 EFLAGS: 00010286 [ 77.070799] RAX: ffffffffb20e4090 RBX: 0000000000000001 RCX: 0000000000000000 [ 77.078772] RDX: 0000000000000000 RSI: ffff8b437bc1bf70 RDI: ffffffffb2ed0fb0 [ 77.086746] RBP: ffffffffb3317a00 R08: 0000000000000001 R09: 0000000000000001 [ 77.094720] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 77.102695] R13: ffff92d84133ff10 R14: ffff92d84133ff10 R15: ffff8b4305f42000 [ 77.110671] FS: 00007f1678a60580(0000) GS:ffff8b437bc00000(0000) knlGS:0000000000000000 [ 77.119713] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.126135] CR2: ffffffffb2ed1440 CR3: 0000000102b54000 CR4: 00000000003506f0 [ 77.134114] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 77.144032] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1788, name: cat [ 77.152492] INFO: lockdep is turned off. [ 77.156872] irq event stamp: 0 [ 77.160286] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 77.167294] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 77.176435] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 77.185575] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 77.192578] CPU: 0 PID: 1788 Comm: cat Tainted: G D W 5.10.163-cip24 #1 [ 77.201233] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 77.207845] Call Trace: [ 77.210584] dump_stack+0x77/0x9b [ 77.214292] ___might_sleep.cold+0xa6/0xb6 [ 77.218875] exit_signals+0x1c/0x2e0 [ 77.222873] do_exit+0xc2/0xaf0 [ 77.226387] ? ksys_write+0x68/0xf0 [ 77.230290] rewind_stack_do_exit+0x17/0x20 [ 77.234963] RIP: 0033:0x7f1678976833 [ 77.238959] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 77.259947] RSP: 002b:00007ffebdcab5a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 77.268412] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f1678976833 [ 77.276388] RDX: 000000000000000c RSI: 00007f1678869000 RDI: 0000000000000001 [ 77.284361] RBP: 00007f1678869000 R08: 00007f1678868010 R09: 0000000000000000 [ 77.292337] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 77.300312] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ff10 R15: ffff8b4305f42000 # [ 75.719343] FS: 00007f4524e97580(0000) GS:ffff8b437bd00000(0000) knlGS:0000000000000000 # [ 75.728391] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 75.734816] CR2: ffff8b43026cae80 CR3: 000000010501c000 CR4: 00000000003506e0 # [ 75.742796] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 75.752716] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1716, name: cat # [ 75.761174] INFO: lockdep is turned off. # [ 75.765554] irq event stamp: 0 # [ 75.768963] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 75.775971] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 75.785107] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 75.794249] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 75.801254] CPU: 2 PID: 1716 Comm: cat Tainted: G D W 5.10.163-cip24 #1 # [ 75.809907] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 75.816521] Call Trace: # [ 75.819262] dump_stack+0x77/0x9b # [ 75.822972] ___might_sleep.cold+0xa6/0xb6 # [ 75.827556] exit_signals+0x1c/0x2e0 # [ 75.831553] do_exit+0xc2/0xaf0 # [ 75.835066] ? ksys_write+0x68/0xf0 # [ 75.838969] rewind_stack_do_exit+0x17/0x20 # [ 75.843644] RIP: 0033:0x7f4524dad833 # [ 75.847642] 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 # [ 75.868627] RSP: 002b:00007fff24a49b28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 75.877090] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f4524dad833 # [ 75.885065] RDX: 000000000000000d RSI: 00007f4524ca0000 RDI: 0000000000000001 # [ 75.893039] RBP: 00007f4524ca0000 R08: 00007f4524c9f010 R09: 0000000000000000 # [ 75.901013] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 75.908988] 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 # [ 76.201418] lkdtm: Performing direct entry EXEC_VMALLOC # [ 76.208843] lkdtm: attempting ok execution at ffffffffb20e4460 # [ 76.215391] lkdtm: attempting bad execution at ffff92d840651000 # [ 76.222049] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 76.236596] BUG: unable to handle page fault for address: ffff92d840651000 # [ 76.244280] #PF: supervisor instruction fetch in kernel mode # [ 76.250604] #PF: error_code(0x0011) - permissions violation # [ 76.256830] PGD 100000067 P4D 100000067 PUD 100211067 PMD 105f7f067 PTE 800000010528e063 # [ 76.272095] Oops: 0011 [#8] SMP PTI # [ 76.275996] CPU: 0 PID: 1752 Comm: cat Tainted: G D W 5.10.163-cip24 #1 # [ 76.290856] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 76.297478] RIP: 0010:0xffff92d840651000 # [ 76.301868] Code: Unable to access opcode bytes at RIP 0xffff92d840650fd6. # [ 76.309551] RSP: 0018:ff[ 77.614016] lkdtm: Performing direct entry EXEC_USERSPACE ff92d8421b7e38 EFLAGS: 00010246 # [ 76.321598] RAX: 000000000[ 77.625222] lkdtm: attempting ok execution at ffffffffb20e4460 0000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 76.32[ 77.638037] lkdtm: attempting bad execution at 00007f88e338a000 9573] RDX: 0000000000000000 RSI: ffff8b437bc1bf70 RDI: ffff8b437[ 77.650890] unable to execute userspace code (SMEP?) (uid: 0) [ 77.663472] BUG: unable to handle page fault for address: 00007f88e338a000 bc1bf70 # [ 76.337548] RBP: ffff92d840651000 R08: 00000000000[ 77.671157] #PF: supervisor instruction fetch in kernel mode [ 77.683688] #PF: error_code(0x0011) - permissions violation 00000 R09: 0000000000000000 # [ 76.345522] R10: 00000000ffffe[ 77.689918] PGD 8000000105c98067 P4D 8000000105c98067 PUD 105deb067 PMD 105dea067 PTE 10afbd067 [ 77.705865] Oops: 0011 [#10] SMP PTI 000 R11: 3fffffffffffffff R12: 000000000000000d # [ 76.353496[ 77.709856] CPU: 1 PID: 1824 Comm: cat Tainted: G D W 5.10.163-cip24 #1 [ 77.724706] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 77.731329] RIP: 0010:0x7f88e338a000 [ 77.735324] Code: Unable to access opcode bytes at RIP 0x7f88e3389fd6. [ 77.742619] RSP: 0018:ffff92d8422c7e50 EFLAGS: 00010246 [ 77.748450] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 [ 77.756422] RDX: 0000000000000000 RSI: ffff8b437bc9bf70 RDI: ffff8b437bc9bf70 [ 77.764397] RBP: 00007f88e338a000 R08: 0000000000000000 R09: 0000000000000000 [ 77.772372] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f [ 77.780347] R13: ffff92d8422c7f10 R14: ffff92d8422c7f10 R15: ffff8b430522b000 [ 77.788321] FS: 00007f88e335b580(0000) GS:ffff8b437bc80000(0000) knlGS:0000000000000000 [ 77.797360] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.803777] CR2: 00007f88e338a000 CR3: 0000000104b4e000 CR4: 00000000003506e0 [ 77.811747] Call Trace: [ 77.814493] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae [ 77.819851] ? direct_entry.cold+0x2c/0x38 [ 77.824436] ? full_proxy_write+0x56/0x80 [ 77.828921] ? vfs_write+0xea/0x3a0 [ 77.832820] ? ksys_write+0x68/0xf0 [ 77.836724] ? do_syscall_64+0x33/0x40 [ 77.840914] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 77.846761] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 77.862734] CR2: 00007f88e338a000 [ 77.866431] ---[ end trace 1d3a9950dc1d73fc ]--- [ 77.871595] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 77.875980] Code: 89 ff e8 de 6a a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 c0 85 93 02 [ 77.896964] RSP: 0018:ffff92d84133fe60 EFLAGS: 00010286 [ 77.902794] RAX: ffffffffb20e4090 RBX: 0000000000000001 RCX: 0000000000000000 [ 77.910770] RDX: 0000000000000000 RSI: ffff8b437bc1bf70 RDI: ffffffffb2ed0fb0 [ 77.918740] RBP: ffffffffb3317a00 R08: 0000000000000001 R09: 0000000000000001 [ 77.926708] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 77.934680] R13: ffff92d84133ff10 R14: ffff92d84133ff10 R15: ffff8b4305f42000 [ 77.942654] FS: 00007f88e335b580(0000) GS:ffff8b437bc80000(0000) knlGS:0000000000000000 [ 77.951688] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.958105] CR2: 00007f88e338a000 CR3: 0000000104b4e000 CR4: 00000000003506e0 ] R13: ffff92d8421b7f10 R14: ffff92d8421b7f10 R15: ffff8b430528e000 # [ 76.361472] FS: 00007f527e2ae580(0000) GS:ffff8b437bc00000(0000) knlGS:0000000000000000 # [ 76.370515] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 76.376936] CR2: ffff92d840650fd6 CR3: 00000001034e0000 CR4: 00000000003506f0 # [ 76.384908] Call Trace: # [ 76.387653] ? execute_location+0x48/0x56 # [ 76.392140] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 76.396815] ? direct_entry.cold+0x2c/0x38 # [ 76.401399] ? full_proxy_write+0x56/0x80 # [ 76.405884] ? vfs_write+0xea/0x3a0 # [ 76.409785] ? ksys_write+0x68/0xf0 # [ 76.413680] ? do_syscall_64+0x33/0x40 # [ 76.417872] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 76.423722] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 76.439692] CR2: ffff92d840651000 # [ 76.443399] ---[ end trace 1d3a9950dc1d73fa ]--- # [ 76.448559] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 76.452943] Code: 89 ff e8 de 6a a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 c0 85 93 02 # [ 76.473932] RSP: 0018:ffff92d84133fe60 EFLAGS: 00010286 # [ 76.479772] RAX: ffffffffb20e4090 RBX: 0000000000000001 RCX: 0000000000000000 # [ 76.487747] RDX: 0000000000000000 RSI: ffff8b437bc1bf70 RDI: ffffffffb2ed0fb0 # [ 76.495720] RBP: ffffffffb3317a00 R08: 0000000000000001 R09: 0000000000000001 # [ 76.503694] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 76.511672] R13: ffff92d84133ff10 R14: ffff92d84133ff10 R15: ffff8b4305f42000 # [ 76.519648] FS: 00007f527e2ae580(0000) GS:ffff8b437bc00000(0000) knlGS:0000000000000000 # [ 76.528690] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 76.535112] CR2: ffff92d840650fd6 CR3: 00000001034e0000 CR4: 00000000003506f0 # EXEC_VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh # Killed # [ 76.805650] lkdtm: Performing direct entry EXEC_RODATA # [ 76.816209] lkdtm: attempting ok execution at ffffffffb20e4460 # [ 76.822775] lkdtm: attempting bad execution at ffffffffb2ed1440 # [ 76.829426] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 76.837791] BUG: unable to handle page fault for address: ffffffffb2ed1440 # [ 76.845475] #PF: supervisor instruction fetch in kernel mode # [ 76.851798] #PF: error_code(0x0011) - permissions violation # [ 76.[ 78.218703] lkdtm: Performing direct entry EXEC_NULL 858026] PGD 3fe29067 P4D 3fe29067 PUD 3fe2a063 PMD 800000003f800[ 78.226514] lkdtm: attempting ok execution at ffffffffb20e4460 1e1 # [ 76.865528] Oops: 0011 [#9] SMP PTI # [ 76.869431][ 78.239285] lkdtm: attempting bad execution at 0000000000000000 CPU: 0 PID: 1788 Comm: cat Tainted: G D W 5.10.163[ 78.252143] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 78.266139] #PF: supervisor instruction fetch in kernel mode [ 78.272463] #PF: error_code(0x0010) - not-present page [ 78.278204] PGD 0 P4D 0 [ 78.281044] Oops: 0010 [#11] SMP PTI [ 78.285032] CPU: 1 PID: 1860 Comm: cat Tainted: G D W 5.10.163-cip24 #1 [ 78.293678] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 78.300299] RIP: 0010:0x0 [ 78.303232] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 78.310918] RSP: 0018:ffff92d84234fe48 EFLAGS: 00010246 [ 78.316751] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 78.324724] RDX: 0000000000000000 RSI: ffff8b437bc9bf70 RDI: ffff8b437bc9bf70 [ 78.332697] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 78.340670] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 78.348640] R13: ffff92d84234ff10 R14: ffff92d84234ff10 R15: ffff8b430502c000 [ 78.356615] FS: 00007fd5d287c580(0000) GS:ffff8b437bc80000(0000) knlGS:0000000000000000 [ 78.365655] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.372075] CR2: ffffffffffffffd6 CR3: 000000010525e000 CR4: 00000000003506e0 [ 78.380046] Call Trace: [ 78.382789] execute_location+0x48/0x56 [ 78.387081] direct_entry.cold+0x2c/0x38 [ 78.391470] full_proxy_write+0x56/0x80 [ 78.395761] vfs_write+0xea/0x3a0 [ 78.399467] ksys_write+0x68/0xf0 [ 78.403175] do_syscall_64+0x33/0x40 [ 78.407174] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 78.412820] RIP: 0033:0x7fd5d2792833 [ 78.416816] 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 [ 78.437801] RSP: 002b:00007ffedf7744e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 78.446254] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fd5d2792833 [ 78.454228] RDX: 000000000000000a RSI: 00007fd5d2685000 RDI: 0000000000000001 [ 78.462201] RBP: 00007fd5d2685000 R08: 00007fd5d2684010 R09: 0000000000000000 [ 78.470174] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 78.478147] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 -cip24 #1 # [ 76.878086] Hardware name: Google Coral/Coral, B[ 78.486135] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 78.508318] CR2: 0000000000000000 [ 78.512022] ---[ end trace 1d3a9950dc1d73fd ]--- [ 78.517188] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 78.521572] Code: 89 ff e8 de 6a a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 c0 85 93 02 [ 78.542557] RSP: 0018:ffff92d84133fe60 EFLAGS: 00010286 [ 78.548397] RAX: ffffffffb20e4090 RBX: 0000000000000001 RCX: 0000000000000000 [ 78.556371] RDX: 0000000000000000 RSI: ffff8b437bc1bf70 RDI: ffffffffb2ed0fb0 [ 78.564344] RBP: ffffffffb3317a00 R08: 0000000000000001 R09: 0000000000000001 [ 78.572318] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 78.580289] R13: ffff92d84133ff10 R14: ffff92d84133ff10 R15: ffff8b4305f42000 [ 78.588265] FS: 00007fd5d287c580(0000) GS:ffff8b437bc80000(0000) knlGS:0000000000000000 [ 78.597309] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.603728] CR2: ffffffffffffffd6 CR3: 000000010525e000 CR4: 00000000003506e0 [ 78.611706] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 78.621615] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1860, name: cat [ 78.630071] INFO: lockdep is turned off. [ 78.634451] irq event stamp: 0 [ 78.637863] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 78.644871] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 78.654002] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 78.663140] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 78.670147] CPU: 1 PID: 1860 Comm: cat Tainted: G D W 5.10.163-cip24 #1 [ 78.678799] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 78.685412] Call Trace: [ 78.688152] dump_stack+0x77/0x9b [ 78.691862] ___might_sleep.cold+0xa6/0xb6 [ 78.696444] exit_signals+0x1c/0x2e0 [ 78.700441] do_exit+0xc2/0xaf0 [ 78.703953] ? ksys_write+0x68/0xf0 [ 78.707855] rewind_stack_do_exit+0x17/0x20 [ 78.712532] RIP: 0033:0x7fd5d2792833 [ 78.716528] 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 [ 78.737516] RSP: 002b:00007ffedf7744e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 78.745971] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fd5d2792833 [ 78.753945] RDX: 000000000000000a RSI: 00007fd5d2685000 RDI: 0000000000000001 [ 78.761919] RBP: 00007fd5d2685000 R08: 00007fd5d2684010 R09: 0000000000000000 [ 78.769895] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 78.777869] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 IOS 09/29/2020 # [ 76.884713] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 76.890457] Code: ff ff b2 4e 77 b2 ff ff ff ff 72 c6 2b b3 ff ff ff ff f8 35 77 b2 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 # [ 76.911436] RSP: 0018:ffff92d8421f7e48 EFLAGS: 00010246 # [ 76.917277] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 76.925252] RDX: 0000000000000000 RSI: ffff8b437bc1bf70 RDI: ffff8b437bc1bf70 # [ 76.933229] RBP: ffffffffb2ed1440 R08: 0000000000000000 R09: 0000000000000000 # [ 76.941205] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 76.949178] R13: ffff92d8421f7f10 R14: ffff92d8421f7f10 R15: ffff8b43033ba000 # [ 76.957155] FS: 00007f1678a60580(0000) GS:ffff8b437bc00000(0000) knlGS:0000000000000000 # [ 76.966198] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 76.972620] CR2: ffffffffb2ed1440 CR3: 0000000102b54000 CR4: 00000000003506f0 # [ 76.980596] Call Trace: # [ 76.983340] ? execute_location+0x48/0x56 # [ 76.987827] ? direct_entry.cold+0x2c/0x38 # [ 76.992410] ? full_proxy_write+0x56/0x80 # [ 76.996896] ? vfs_write+0xea/0x3a0 # [ 77.000797] ? ksys_write+0x68/0xf0 # [ 77.004703] ? do_syscall_64+0x33/0x40 # [ 77.008896] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 77.014746] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 77.030719] CR2: ffffffffb2ed1440 # [ 77.034424] ---[ end trace 1d3a9950dc1d73fb ]--- # [ 77.039590] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 77.043975] Code: 89 ff e8 de 6a a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 c0 85 93 02 # [ 77.064960] RSP: 0018:ffff92d84133fe60 EFLAGS: 00010286 # [ 77.070799] RAX: ffffffffb20e4090 RBX: 0000000000000001 RCX: 0000000000000000 # [ 77.078772] RDX: 0000000000000000 RSI: ffff8b437bc1bf70 RDI: ffffffffb2ed0fb0 # [ 77.086746] RBP: ffffffffb3317a00 R08: 0000000000000001 R09: 0000000000000001 # [ 77.094720] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 77.102695] R13: ffff92d84133ff10 R14: ffff92d84133ff10 R15: ffff8b4305f42000 # [ 77.110671] FS: 00007f1678a60580(0000) GS:ffff8b437bc00000(0000) knlGS:0000000000000000 # [ 77.119713] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 77.126135] CR2: ffffffffb2ed1440 CR3: 0000000102b54000 CR4: 00000000003506f0 # [ 77.134114] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 77.144032] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1788, name: cat # [ 77.152492] INFO: lockdep is turned off. # [ 77.156872] irq event stamp: 0 # [ 77.160286] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 77.167294] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 77.176435] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 77.18[ 79.095474] lkdtm: Performing direct entry ACCESS_USERSPACE 5575] softirqs last disabled at (0): [<0000000000000000>] 0x0 #[ 79.102880] lkdtm: attempting bad read at 00007fc48c415000 [ 79.115277] BUG: unable to handle page fault for address: 00007fc48c415000 [ 79.122969] #PF: supervisor read access in kernel mode [ 79.128713] #PF: error_code(0x0001) - permissions violation [ 77.192578] CPU: 0 PID: 1788 Comm: cat Tainted: G D W [ 79.134943] PGD 800000010511a067 P4D 800000010511a067 PUD 1027f5067 PMD 10511b067 PTE 10e945067 [ 79.150876] Oops: 0001 [#12] SMP PTI 5.10.163-cip24 #1 # [ 77.201233] Hardware name: Google[ 79.154875] CPU: 2 PID: 1895 Comm: cat Tainted: G D W 5.10.163-cip24 #1 [ 79.169734] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 79.176363] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 [ 79.182595] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 90 d3 2b b3 e8 62 96 fd ff 48 c7 c7 b8 d3 2b b3 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 49 96 fd ff 48 89 ee 48 c7 c7 e0 d3 2b [ 79.203585] RSP: 0018:ffff92d8423cfe48 EFLAGS: 00010246 [ 79.209427] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 [ 79.217400] RDX: 0000000000000000 RSI: ffff8b437bd1bf70 RDI: ffffffffb32bd3b8 [ 79.225374] RBP: 00007fc48c415000 R08: 0000000000000000 R09: 0000000000000000 [ 79.233348] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 [ 79.241322] R13: ffff92d8423cff10 R14: ffff92d8423cff10 R15: ffff8b4302b8f000 [ 79.249298] FS: 00007fc48c3e6580(0000) GS:ffff8b437bd00000(0000) knlGS:0000000000000000 [ 79.258342] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.264764] CR2: 00007fc48c415000 CR3: 0000000104b6e000 CR4: 00000000003506e0 [ 79.272739] Call Trace: [ 79.275484] direct_entry.cold+0x2c/0x38 [ 79.279875] full_proxy_write+0x56/0x80 [ 79.284167] vfs_write+0xea/0x3a0 [ 79.287876] ksys_write+0x68/0xf0 [ 79.291584] do_syscall_64+0x33/0x40 [ 79.295583] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 79.301233] RIP: 0033:0x7fc48c2fc833 [ 79.305231] 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 [ 79.326209] RSP: 002b:00007fffb7d726f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 79.334670] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fc48c2fc833 [ 79.342644] RDX: 0000000000000011 RSI: 00007fc48c1ef000 RDI: 0000000000000001 [ 79.350619] RBP: 00007fc48c1ef000 R08: 00007fc48c1ee010 R09: 0000000000000000 [ 79.358592] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 79.366567] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 79.374553] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 79.390526] CR2: 00007fc48c415000 [ 79.394231] ---[ end trace 1d3a9950dc1d73fe ]--- [ 79.399396] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 79.403781] Code: 89 ff e8 de 6a a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 c0 85 93 02 [ 79.424770] RSP: 0018:ffff92d84133fe60 EFLAGS: 00010286 [ 79.430610] RAX: ffffffffb20e4090 RBX: 0000000000000001 RCX: 0000000000000000 [ 79.438583] RDX: 0000000000000000 RSI: ffff8b437bc1bf70 RDI: ffffffffb2ed0fb0 [ 79.446555] RBP: ffffffffb3317a00 R08: 0000000000000001 R09: 0000000000000001 [ 79.454530] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 79.462505] R13: ffff92d84133ff10 R14: ffff92d84133ff10 R15: ffff8b4305f42000 [ 79.470477] FS: 00007fc48c3e6580(0000) GS:ffff8b437bd00000(0000) knlGS:0000000000000000 [ 79.479517] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.485938] CR2: 00007fc48c415000 CR3: 0000000104b6e000 CR4: 00000000003506e0 [ 79.493915] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 79.503827] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1895, name: cat [ 79.512287] INFO: lockdep is turned off. [ 79.516667] irq event stamp: 0 [ 79.520078] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 79.527085] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 79.536217] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 79.545358] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 79.552363] CPU: 2 PID: 1895 Comm: cat Tainted: G D W 5.10.163-cip24 #1 [ 79.561014] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 79.567630] Call Trace: [ 79.570370] dump_stack+0x77/0x9b [ 79.574081] ___might_sleep.cold+0xa6/0xb6 [ 79.578663] exit_signals+0x1c/0x2e0 [ 79.582661] do_exit+0xc2/0xaf0 [ 79.586174] ? ksys_write+0x68/0xf0 [ 79.590077] rewind_stack_do_exit+0x17/0x20 [ 79.594753] RIP: 0033:0x7fc48c2fc833 [ 79.598747] 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 [ 79.619733] RSP: 002b:00007fffb7d726f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 79.628197] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fc48c2fc833 [ 79.636171] RDX: 0000000000000011 RSI: 00007fc48c1ef000 RDI: 0000000000000001 [ 79.644148] RBP: 00007fc48c1ef000 R08: 00007fc48c1ee010 R09: 0000000000000000 [ 79.652121] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 79.660094] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 Coral/Coral, BIOS 09/29/2020 # [ 77.207845] Call Trace: # [ 77.210584] dump_stack+0x77/0x9b # [ 77.214292] ___might_sleep.cold+0xa6/0xb6 # [ 77.218875] exit_signals+0x1c/0x2e0 # [ 77.222873] do_exit+0xc2/0xaf0 # [ 77.226387] ? ksys_write+0x68/0xf0 # [ 77.230290] rewind_stack_do_exit+0x17/0x20 # [ 77.234963] RIP: 0033:0x7f1678976833 # [ 77.238959] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 77.259947] RSP: 002b:00007ffebdcab5a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 77.268412] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f1678976833 # [ 77.276388] RDX: 000000000000000c RSI: 00007f1678869000 RDI: 0000000000000001 # [ 77.284361] RBP: 00007f1678869000 R08: 00007f1678868010 R09: 0000000000000000 # [ 77.292337] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 77.300312] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_RODATA: saw 'call trace:': ok ok 34 selftests: lkdtm: EXEC_RODATA.sh # selftests: lkdtm: EXEC_USERSPACE.sh # Killed # [ 77.614016] lkdtm: Performing direct entry EXEC_USERSPACE # [ 77.625222] lkdtm: attempting ok execution at ffffffffb20e4460 # [ 77.638037] lkdtm: attempting bad execution at 00007f88e338a000 # [ 77.650890] unable to execute userspace code (SMEP?) (uid: 0) # [ 77.663472] BUG: unable to handle page fault for address: 00007f88e338a000 # [ 77.671157] #PF: supervisor instruction fetch in kernel mode # [ 77.683688] #PF: error_code(0x0011) - permissions violation # [ 77.689918] PGD 8000000105c98067 P4D 8000000105c98067 PUD 105deb067 PMD 105dea067 PTE 10afbd067 # [ 77.705865] Oops: 0011 [#10] SMP PTI # [ 77.709856] CPU: 1 PID: 1824 Comm: cat Tainted: G D W 5.10.163-cip24 #1 # [ 77.724706] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 77.731329] RIP: 0010:0x7f88e338a000 # [ 77.735324] Code: Unable to access opcode bytes at RIP 0x7f88e3389fd6. # [ 77.742619] RSP: 0018:ffff92d8422c7e50 EFLAGS: 00010246 # [ 77.748450] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 # [ 77.756422] RDX: 0000000000000000 RSI: ffff8b437bc9bf70 RDI: ffff8b437bc9bf70 # [ 77.764397] RBP: 00007f88e338a000 R08: 0000000000000000 R09: 0000000000000000 # [ 77.772372] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f # [ 77.780347] R13: ffff92d8422c7f10 R14: ffff92d8422c7f10 R15: ffff8b430522b000 # [ 77.788321] FS: 00007f88e335b580(0000) GS:ffff8b437bc80000(0000) knlGS:0000000000000000 # [ 77.797360] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 77.803777] CR2: 00007f88e338a000 CR3: 0000000104b4e000 CR4: 00000000003506e0 # [ 77.811747] Call Trace: # [ 77.814493] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae # [ 77.819851] ? direct_entry.cold+0x2c/0x38 # [ 77.824436] ? full_proxy_write+0x56/0x80 # [ 77.828921] ? vfs_write+0xea/0x3a0 # [ 77.832820] ? ksys_write+0x68/0xf0 # [ 77.836724] ? do_syscall_64+0x33/0x40 # [ 77.840914] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 77.846761] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_de[ 79.988225] lkdtm: Performing direct entry ACCESS_NULL [ 79.997056] lkdtm: attempting bad read at 0000000000000000 [ 80.003238] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 80.011018] #PF: supervisor read access in kernel mode [ 80.016755] #PF: error_code(0x0000) - not-present page bugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbp[ 80.022494] PGD 0 P4D 0 [ 80.031539] Oops: 0000 [#13] SMP PTI d_notify # [ 77.862734] CR2: 00007f88e338a000 # [ 77.86643[ 80.035535] CPU: 2 PID: 1930 Comm: cat Tainted: G D W 5.10.163-cip24 #1 [ 80.050383] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 80.057011] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 [ 80.062269] Code: 06 96 fd ff be 00 10 00 00 48 89 ef e8 43 42 39 ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 90 d3 2b b3 e8 e0 95 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 b8 d3 2b b3 48 01 [ 80.083244] RSP: 0018:ffff92d84244fe58 EFLAGS: 00010246 [ 80.089084] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 [ 80.097058] RDX: 0000000000000000 RSI: ffff8b437bd1bf70 RDI: ffff8b437bd1bf70 [ 80.105033] RBP: ffffffffb32bc481 R08: 0000000000000000 R09: 0000000000000000 [ 80.113007] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 80.120980] R13: ffff92d84244ff10 R14: ffff92d84244ff10 R15: ffff8b4305d68000 [ 80.128955] FS: 00007f1036067580(0000) GS:ffff8b437bd00000(0000) knlGS:0000000000000000 [ 80.138000] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.144422] CR2: 0000000000000000 CR3: 000000010285e000 CR4: 00000000003506e0 [ 80.152395] Call Trace: [ 80.155138] direct_entry.cold+0x2c/0x38 [ 80.159519] full_proxy_write+0x56/0x80 [ 80.163811] vfs_write+0xea/0x3a0 [ 80.167522] ksys_write+0x68/0xf0 [ 80.171229] do_syscall_64+0x33/0x40 [ 80.175229] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 80.180877] RIP: 0033:0x7f1035f7d833 [ 80.184873] 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 [ 80.205860] RSP: 002b:00007ffc7bf41698 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 80.214323] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f1035f7d833 [ 80.222295] RDX: 000000000000000c RSI: 00007f1035e70000 RDI: 0000000000000001 [ 80.230267] RBP: 00007f1035e70000 R08: 00007f1035e6f010 R09: 0000000000000000 [ 80.238241] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 80.246215] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 80.254202] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 80.270171] CR2: 0000000000000000 [ 80.273875] ---[ end trace 1d3a9950dc1d73ff ]--- [ 80.279039] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 80.283422] Code: 89 ff e8 de 6a a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 c0 85 93 02 [ 80.304411] RSP: 0018:ffff92d84133fe60 EFLAGS: 00010286 [ 80.310253] RAX: ffffffffb20e4090 RBX: 0000000000000001 RCX: 0000000000000000 [ 80.318226] RDX: 0000000000000000 RSI: ffff8b437bc1bf70 RDI: ffffffffb2ed0fb0 [ 80.326198] RBP: ffffffffb3317a00 R08: 0000000000000001 R09: 0000000000000001 [ 80.334171] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 80.342146] R13: ffff92d84133ff10 R14: ffff92d84133ff10 R15: ffff8b4305f42000 [ 80.350120] FS: 00007f1036067580(0000) GS:ffff8b437bd00000(0000) knlGS:0000000000000000 [ 80.359165] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.365584] CR2: 0000000000000000 CR3: 000000010285e000 CR4: 00000000003506e0 1] ---[ end trace 1d3a9950dc1d73fc ]--- # [ 77.871595] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 77.875980] Code: 89 ff e8 de 6a a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 c0 85 93 02 # [ 77.896964] RSP: 0018:ffff92d84133fe60 EFLAGS: 00010286 # [ 77.902794] RAX: ffffffffb20e4090 RBX: 0000000000000001 RCX: 0000000000000000 # [ 77.910770] RDX: 0000000000000000 RSI: ffff8b437bc1bf70 RDI: ffffffffb2ed0fb0 # [ 77.918740] RBP: ffffffffb3317a00 R08: 0000000000000001 R09: 0000000000000001 # [ 77.926708] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 77.934680] R13: ffff92d84133ff10 R14: ffff92d84133ff10 R15: ffff8b4305f42000 # [ 77.942654] FS: 00007f88e335b580(0000) GS:ffff8b437bc80000(0000) knlGS:0000000000000000 # [ 77.951688] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 77.958105] CR2: 00007f88e338a000 CR3: 0000000104b4e000 CR4: 00000000003506e0 # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh # Killed # [ 78.218703] lkdtm: Performing direct entry EXEC_NULL # [ 78.226514] lkdtm: attempting ok execution at ffffffffb20e4460 # [ 78.239285] lkdtm: attempting bad execution at 0000000000000000 # [ 78.252143] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 78.266139] #PF: supervisor instruction fetch in kernel mode # [ 78.272463] #PF: error_code(0x0010) - not-present page # [ 78.278204] PGD 0 P4D 0 # [ 78.281044] Oops: 0010 [#11] SMP PTI # [ 78.285032] CPU: 1 PID: 1860 Comm: cat Tainted: G D W 5.10.163-cip24 #1 # [ 78.293678] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 78.300299] RIP: 0010:0x0 # [ 78.303232] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. # [ 78.310918] RSP: 0018:ffff92d84234fe48 EFLAGS: 00010246 # [ 78.316751] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 78.324724] RDX: 0000000000000000 RSI: ffff8b437bc9bf70 RDI: ffff8b437bc9bf70 # [ 78.332697] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 # [ 78.340670] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 78.348640] R13: ffff92d84234ff10 R14: ffff92d84234ff10 R15: ffff8b430502c000 # [ 78.356615] FS: 00007fd5d287c580(0000) GS:ffff8b437bc80000(0000) knlGS:0000000000000000 # [ 78.365655] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 78.372075] CR2: ffffffffffffffd6 CR3: 000000010525e000 CR4: 00000000003506e0 # [ 78.380046] Call Trace: # [ 78.382789] execute_location+0x48/0x56 # [ 78.387081] direct_entry.cold+0x2c/0x38 # [ 78.391470] full_proxy_write+0x56/0x80 # [ 78.395761] vfs_write+0xea/0x3a0 # [ 78.399467] ksys_write+0x68/0xf0 # [ 78.403175] do_syscall_64+0x33/0x40 # [ 78.407174] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 78.412820] RIP: 0033:0x7fd5d2792833 # [ 78.416816] Code: 8b 15 [ 80.669764] lkdtm: Performing direct entry WRITE_RO [ 80.677437] lkdtm: attempting bad rodata write at ffffffffb2ed1430 [ 80.684378] BUG: unable to handle page fault for address: ffffffffb2ed1430 [ 80.692067] #PF: supervisor write access in kernel mode 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 6[ 80.697906] #PF: error_code(0x0003) - permissions violation 4 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d [ 80.710343] PGD 3fe29067 P4D 3fe29067 PUD 3fe2a063 PMD 800000003f8001e1 [ 80.724061] Oops: 0003 [#14] SMP PTI 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [[ 80.728060] CPU: 0 PID: 1965 Comm: cat Tainted: G D W 5.10.163-cip24 #1 [ 80.742917] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 80.749544] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a [ 80.754513] Code: 00 48 c7 c7 70 d2 2b b3 48 c7 c6 30 14 ed b2 e8 8a 98 fd ff 48 8b 05 ed da 75 00 ba 34 12 cd ab 48 c7 c7 a0 d2 2b b3 48 31 d0 <48> 89 05 d7 da 75 00 e9 68 98 fd ff 0f 1f 44 00 00 48 8b 05 c6 69 [ 80.775495] RSP: 0018:ffff92d8424c7e60 EFLAGS: 00010202 [ 80.781327] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 [ 80.789300] RDX: 00000000abcd1234 RSI: ffff8b437bc1bf70 RDI: ffffffffb32bd2a0 [ 80.797275] RBP: ffffffffb32bc48d R08: 0000000000000000 R09: 0000000000000000 [ 80.805249] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 [ 80.813224] R13: ffff92d8424c7f10 R14: ffff92d8424c7f10 R15: ffff8b4303ba9000 [ 80.821199] FS: 00007f4c536c9580(0000) GS:ffff8b437bc00000(0000) knlGS:0000000000000000 [ 80.830241] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.836660] CR2: ffffffffb2ed1430 CR3: 0000000105d7c000 CR4: 00000000003506f0 [ 80.844634] Call Trace: [ 80.847375] direct_entry.cold+0x2c/0x38 [ 80.851768] full_proxy_write+0x56/0x80 [ 80.856059] vfs_write+0xea/0x3a0 [ 80.859763] ksys_write+0x68/0xf0 [ 80.863470] do_syscall_64+0x33/0x40 [ 80.867468] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 80.873118] RIP: 0033:0x7f4c535df833 [ 80.877115] 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 [ 80.898101] RSP: 002b:00007ffd5b3a2f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 80.906564] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f4c535df833 [ 80.914539] RDX: 0000000000000009 RSI: 00007f4c534d2000 RDI: 0000000000000001 [ 80.922512] RBP: 00007f4c534d2000 R08: 00007f4c534d1010 R09: 0000000000000000 [ 80.930487] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 80.938461] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 80.946443] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 80.962414] CR2: ffffffffb2ed1430 [ 80.966120] ---[ end trace 1d3a9950dc1d7400 ]--- [ 80.971285] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 80.975669] Code: 89 ff e8 de 6a a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 c0 85 93 02 [ 80.996656] RSP: 0018:ffff92d84133fe60 EFLAGS: 00010286 [ 81.002495] RAX: ffffffffb20e4090 RBX: 0000000000000001 RCX: 0000000000000000 [ 81.010470] RDX: 0000000000000000 RSI: ffff8b437bc1bf70 RDI: ffffffffb2ed0fb0 [ 81.018443] RBP: ffffffffb3317a00 R08: 0000000000000001 R09: 0000000000000001 [ 81.026416] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 81.034387] R13: ffff92d84133ff10 R14: ffff92d84133ff10 R15: ffff8b4305f42000 [ 81.042364] FS: 00007f4c536c9580(0000) GS:ffff8b437bc00000(0000) knlGS:0000000000000000 [ 81.051408] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.057828] CR2: ffffffffb2ed1430 CR3: 0000000105d7c000 CR4: 00000000003506f0 [ 81.065804] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 81.075721] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1965, name: cat [ 81.084179] INFO: lockdep is turned off. [ 81.088559] irq event stamp: 0 [ 81.091971] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 81.098977] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 81.108118] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 81.117258] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 81.124264] CPU: 0 PID: 1965 Comm: cat Tainted: G D W 5.10.163-cip24 #1 [ 81.132916] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 81.139532] Call Trace: [ 81.142269] dump_stack+0x77/0x9b [ 81.145979] ___might_sleep.cold+0xa6/0xb6 [ 81.150560] exit_signals+0x1c/0x2e0 [ 81.154557] do_exit+0xc2/0xaf0 [ 81.158068] ? ksys_write+0x68/0xf0 [ 81.161963] rewind_stack_do_exit+0x17/0x20 [ 81.166638] RIP: 0033:0x7f4c535df833 [ 81.170633] 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 [ 81.191620] RSP: 002b:00007ffd5b3a2f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 81.200084] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f4c535df833 [ 81.208059] RDX: 0000000000000009 RSI: 00007f4c534d2000 RDI: 0000000000000001 [ 81.216034] RBP: 00007f4c534d2000 R08: 00007f4c534d1010 R09: 0000000000000000 [ 81.224006] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 81.231979] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 78.437801] RSP: 002b:00007ffedf7744e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 78.446254] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fd5d2792833 # [ 78.454228] RDX: 000000000000000a RSI: 00007fd5d2685000 RDI: 0000000000000001 # [ 78.462201] RBP: 00007fd5d2685000 R08: 00007fd5d2684010 R09: 0000000000000000 # [ 78.470174] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 78.478147] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 78.486135] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 78.508318] CR2: 0000000000000000 # [ 78.512022] ---[ end trace 1d3a9950dc1d73fd ]--- # [ 78.517188] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 78.521572] Code: 89 ff e8 de 6a a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 c0 85 93 02 # [ 78.542557] RSP: 0018:ffff92d84133fe60 EFLAGS: 00010286 # [ 78.548397] RAX: ffffffffb20e4090 RBX: 0000000000000001 RCX: 0000000000000000 # [ 78.556371] RDX: 0000000000000000 RSI: ffff8b437bc1bf70 RDI: ffffffffb2ed0fb0 # [ 78.564344] RBP: ffffffffb3317a00 R08: 0000000000000001 R09: 0000000000000001 # [ 78.572318] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 78.580289] R13: ffff92d84133ff10 R14: ffff92d84133ff10 R15: ffff8b4305f42000 # [ 78.588265] FS: 00007fd5d287c580(0000) GS:ffff8b437bc80000(0000) knlGS:0000000000000000 # [ 78.597309] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 78.603728] CR2: ffffffffffffffd6 CR3: 000000010525e000 CR4: 00000000003506e0 # [ 78.611706] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 78.621615] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1860, name: cat # [ 78.630071] INFO: lockdep is turned off. # [ 78.634451] irq event stamp: 0 # [ 78.637863] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 78.644871] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 78.654002] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 78.663140] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 78.670147] CPU: 1 PID: 1860 Comm: cat Tainted: G D W 5.10.163-cip24 #1 # [ 78.678799] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 78.685412] Call Trace: # [ 78.688152] dump_stack+0x77/0x9b # [ 78.691862] ___might_sleep.cold+0xa6/0xb6 # [ 78.696444] exit_signals+0x1c/0x2e0 # [ 78.700441] do_exit+0xc2/0xaf0 # [ 78.703953] ? ksys_write+0x68/0xf0 # [ 78.707855] rewind_stack_do_exit+0x17/0x20 # [ 78.712532] RIP: 0033:0x7fd5d2792833 # [ 78.716528] 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 # [ 78.737516] RSP: 002b:00007ffedf7744e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 78.745971] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fd5d2792833 # [ 78.753945] RDX: 000000000000000a RSI: 00007fd5d2685000 RDI: 0000000000000001 # [ 78.761919] RBP: 00007fd5d2685000 R08: 00007fd5d2684010 R09: 0000000000000000 # [ 78.769895] R10: f[ 81.574986] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT ffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [[ 81.582160] lkdtm: attempting bad ro_after_init write at ffffffffb333a330 78.777869] R13: 0000000000000001 R14: 0000000000020000 R15: 0[ 81.596014] BUG: unable to handle page fault for address: ffffffffb333a330 [ 81.609845] #PF: supervisor write access in kernel mode [ 81.615674] #PF: error_code(0x0003) - permissions violation [ 81.621902] PGD 3fe29067 P4D 3fe29067 PUD 3fe2a063 PMD 104b81163 PTE 800000003fd3a061 [ 81.630671] Oops: 0003 [#15] SMP PTI [ 81.634667] CPU: 3 PID: 2000 Comm: cat Tainted: G D W 5.10.163-cip24 #1 [ 81.643318] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 81.649943] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a [ 81.655981] Code: d2 2b b3 e9 3c 98 fd ff 48 c7 c7 f8 d2 2b b3 e8 30 98 fd ff 48 8b 05 93 69 bc 00 ba 34 12 cd ab 48 c7 c7 a0 d2 2b b3 48 31 d0 <48> 89 05 7d 69 bc 00 e9 0e 98 fd ff 0f 1f 44 00 00 41 54 48 c7 c7 [ 81.676967] RSP: 0018:ffff92d84254fe60 EFLAGS: 00010202 [ 81.682810] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 [ 81.690783] RDX: 00000000abcd1234 RSI: ffff8b437bd9bf70 RDI: ffffffffb32bd2a0 [ 81.698757] RBP: ffffffffb32bc496 R08: 0000000000000000 R09: 0000000000000000 [ 81.706730] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 [ 81.714707] R13: ffff92d84254ff10 R14: ffff92d84254ff10 R15: ffff8b430266f000 [ 81.722685] FS: 00007f7d8893e580(0000) GS:ffff8b437bd80000(0000) knlGS:0000000000000000 [ 81.731728] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.738150] CR2: ffffffffb333a330 CR3: 0000000105d7c000 CR4: 00000000003506e0 [ 81.746122] Call Trace: [ 81.748863] direct_entry.cold+0x2c/0x38 [ 81.753257] full_proxy_write+0x56/0x80 [ 81.757547] vfs_write+0xea/0x3a0 [ 81.761253] ksys_write+0x68/0xf0 [ 81.764951] do_syscall_64+0x33/0x40 [ 81.768949] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 81.774599] RIP: 0033:0x7f7d88854833 [ 81.778596] 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 [ 81.799582] RSP: 002b:00007ffd5f22a018 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 81.808044] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f7d88854833 [ 81.816017] RDX: 0000000000000014 RSI: 00007f7d88747000 RDI: 0000000000000001 [ 81.823991] RBP: 00007f7d88747000 R08: 00007f7d88746010 R09: 0000000000000000 [ 81.831965] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 81.839940] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 81.847926] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 81.863898] CR2: ffffffffb333a330 [ 81.867605] ---[ end trace 1d3a9950dc1d7401 ]--- [ 81.872769] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 81.877154] Code: 89 ff e8 de 6a a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 c0 85 93 02 [ 81.898133] RSP: 0018:ffff92d84133fe60 EFLAGS: 00010286 [ 81.903971] RAX: ffffffffb20e4090 RBX: 0000000000000001 RCX: 0000000000000000 [ 81.911943] RDX: 0000000000000000 RSI: ffff8b437bc1bf70 RDI: ffffffffb2ed0fb0 [ 81.919913] RBP: ffffffffb3317a00 R08: 0000000000000001 R09: 0000000000000001 [ 81.927890] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 81.935864] R13: ffff92d84133ff10 R14: ffff92d84133ff10 R15: ffff8b4305f42000 [ 81.943842] FS: 00007f7d8893e580(0000) GS:ffff8b437bd80000(0000) knlGS:0000000000000000 [ 81.952885] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.959302] CR2: ffffffffb333a330 CR3: 0000000105d7c000 CR4: 00000000003506e0 [ 81.967278] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 81.977191] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 2000, name: cat [ 81.985648] INFO: lockdep is turned off. [ 81.990029] irq event stamp: 0 [ 81.993440] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 82.000446] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 82.009588] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 82.018730] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 82.025735] CPU: 3 PID: 2000 Comm: cat Tainted: G D W 5.10.163-cip24 #1 [ 82.034388] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 82.041002] Call Trace: [ 82.043739] dump_stack+0x77/0x9b [ 82.047451] ___might_sleep.cold+0xa6/0xb6 [ 82.052033] exit_signals+0x1c/0x2e0 [ 82.056029] do_exit+0xc2/0xaf0 [ 82.059541] ? ksys_write+0x68/0xf0 [ 82.063445] rewind_stack_do_exit+0x17/0x20 [ 82.068119] RIP: 0033:0x7f7d88854833 [ 82.072112] 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 [ 82.093097] RSP: 002b:00007ffd5f22a018 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 82.101562] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f7d88854833 [ 82.109533] RDX: 0000000000000014 RSI: 00007f7d88747000 RDI: 0000000000000001 [ 82.117506] RBP: 00007f7d88747000 R08: 00007f7d88746010 R09: 0000000000000000 [ 82.125479] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 82.133455] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000000000020000 # EXEC_NULL: saw 'call trace:': ok ok 36 selftests: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.sh # Killed # [ 79.095474] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 79.102880] lkdtm: attempting bad read at 00007fc48c415000 # [ 79.115277] BUG: unable to handle page fault for address: 00007fc48c415000 # [ 79.122969] #PF: supervisor read access in kernel mode # [ 79.128713] #PF: error_code(0x0001) - permissions violation # [ 79.134943] PGD 800000010511a067 P4D 800000010511a067 PUD 1027f5067 PMD 10511b067 PTE 10e945067 # [ 79.150876] Oops: 0001 [#12] SMP PTI # [ 79.154875] CPU: 2 PID: 1895 Comm: cat Tainted: G D W 5.10.163-cip24 #1 # [ 79.169734] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 79.176363] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 79.182595] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 90 d3 2b b3 e8 62 96 fd ff 48 c7 c7 b8 d3 2b b3 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 49 96 fd ff 48 89 ee 48 c7 c7 e0 d3 2b # [ 79.203585] RSP: 0018:ffff92d8423cfe48 EFLAGS: 00010246 # [ 79.209427] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 # [ 79.217400] RDX: 0000000000000000 RSI: ffff8b437bd1bf70 RDI: ffffffffb32bd3b8 # [ 79.225374] RBP: 00007fc48c415000 R08: 0000000000000000 R09: 0000000000000000 # [ 79.233348] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 # [ 79.241322] R13: ffff92d8423cff10 R14: ffff92d8423cff10 R15: ffff8b4302b8f000 # [ 79.249298] FS: 00007fc48c3e6580(0000) GS:ffff8b437bd00000(0000) knlGS:0000000000000000 # [ 79.258342] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 79.264764] CR2: 00007fc48c415000 CR3: 0000000104b6e000 CR4: 00000000003506e0 # [ 79.272739] Call Trace: # [ 79.275484] direct_entry.cold+0x2c/0x38 # [ 79.279875] full_proxy_write+0x56/0x80 # [ 79.284167] vfs_write+0xea/0x3a0 # [ 79.287876] ksys_write+0x68/0xf0 # [ 79.291584] do_syscall_64+0x33/0x40 # [ 79.295583] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 79.301233] RIP: 0033:0x7fc48c2fc833 # [ 79.305231] 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 # [ 79.326209] RSP: 002b:00007fffb7d726f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 79.334670] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fc48c2fc833 # [ 79.342644] RDX: 0000000000000011 RSI: 00007fc48c1ef000 RDI: 0000000000000001 # [ 79.350619] RBP: 00007fc48c1ef000 R08: 00007fc48c1ee010 R09: 0000000000000000 # [ 79.358592] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 79.366567] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 79.374553] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 79.390526] CR2: 00007fc48c415000 # [ 79.394231] ---[ end trace 1d3a9950dc1d73fe ]--- # [ 79.399396] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 79.403781] Code: 89 ff e8 de 6a a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 0[ 82.461027] lkdtm: Performing direct entry WRITE_KERN 0 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 c0 [ 82.470326] lkdtm: attempting bad 6878301 byte write at ffffffffb27738bd 85 93 02 # [ 79.424770] RSP: 0018:ffff92d84133fe60 EFLAGS: 00[ 82.484059] BUG: unable to handle page fault for address: ffffffffb27738bd [ 82.497914] #PF: supervisor write access in kernel mode [ 82.503753] #PF: error_code(0x0003) - permissions violation [ 82.509979] PGD 3fe29067 P4D 3fe29067 PUD 3fe2a063 PMD 3f0001e1 [ 82.516706] Oops: 0003 [#16] SMP PTI [ 82.520705] CPU: 3 PID: 2035 Comm: cat Tainted: G D W 5.10.163-cip24 #1 [ 82.529361] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 82.535985] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e [ 82.541147] Code: 53 48 c7 c3 bd 38 77 b2 49 89 dc 48 89 da 49 81 ec 60 44 0e b2 4c 89 e6 e8 e3 97 fd ff 48 89 df 4c 89 e1 48 c7 c6 60 44 0e b2 a4 48 c7 c7 a0 d2 2b b3 e8 c8 97 fd ff 5b 41 5c e9 b7 fe ff ff [ 82.562128] RSP: 0018:ffff92d8425efe50 EFLAGS: 00010246 [ 82.567971] RAX: 000000000000003c RBX: ffffffffb27738bd RCX: 000000000068f45d [ 82.575944] RDX: 0000000000000000 RSI: ffffffffb20e4460 RDI: ffffffffb27738bd [ 82.583920] RBP: ffffffffb32bc4aa R08: 0000000000000000 R09: 0000000000000000 [ 82.591894] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000068f45d [ 82.599867] R13: ffff92d8425eff10 R14: ffff92d8425eff10 R15: ffff8b4305c64000 [ 82.607844] FS: 00007f397d131580(0000) GS:ffff8b437bd80000(0000) knlGS:0000000000000000 [ 82.616886] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 82.623306] CR2: ffffffffb27738bd CR3: 0000000102952000 CR4: 00000000003506e0 [ 82.631280] Call Trace: [ 82.634023] direct_entry.cold+0x2c/0x38 [ 82.638411] full_proxy_write+0x56/0x80 [ 82.642701] vfs_write+0xea/0x3a0 [ 82.646405] ksys_write+0x68/0xf0 [ 82.650115] do_syscall_64+0x33/0x40 [ 82.654114] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 82.659762] RIP: 0033:0x7f397d047833 [ 82.663756] 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 [ 82.684742] RSP: 002b:00007fffe43a6598 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 82.693203] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f397d047833 [ 82.701175] RDX: 000000000000000b RSI: 00007f397cf3a000 RDI: 0000000000000001 [ 82.709148] RBP: 00007f397cf3a000 R08: 00007f397cf39010 R09: 0000000000000000 [ 82.717123] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 82.725097] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 82.733083] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 82.749051] CR2: ffffffffb27738bd [ 82.752756] ---[ end trace 1d3a9950dc1d7402 ]--- [ 82.757919] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 82.762304] Code: 89 ff e8 de 6a a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 c0 85 93 02 [ 82.783281] RSP: 0018:ffff92d84133fe60 EFLAGS: 00010286 [ 82.789121] RAX: ffffffffb20e4090 RBX: 0000000000000001 RCX: 0000000000000000 [ 82.797095] RDX: 0000000000000000 RSI: ffff8b437bc1bf70 RDI: ffffffffb2ed0fb0 [ 82.805070] RBP: ffffffffb3317a00 R08: 0000000000000001 R09: 0000000000000001 [ 82.813043] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 82.821017] R13: ffff92d84133ff10 R14: ffff92d84133ff10 R15: ffff8b4305f42000 [ 82.828994] FS: 00007f397d131580(0000) GS:ffff8b437bd80000(0000) knlGS:0000000000000000 [ 82.838035] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 82.844454] CR2: ffffffffb27738bd CR3: 0000000102952000 CR4: 00000000003506e0 010286 # [ 79.430610] RAX: ffffffffb20e4090 RBX: 0000000000000001 RCX: 0000000000000000 # [ 79.438583] RDX: 0000000000000000 RSI: ffff8b437bc1bf70 RDI: ffffffffb2ed0fb0 # [ 79.446555] RBP: ffffffffb3317a00 R08: 0000000000000001 R09: 0000000000000001 # [ 79.454530] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 79.462505] R13: ffff92d84133ff10 R14: ffff92d84133ff10 R15: ffff8b4305f42000 # [ 79.470477] FS: 00007fc48c3e6580(0000) GS:ffff8b437bd00000(0000) knlGS:0000000000000000 # [ 79.479517] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 79.485938] CR2: 00007fc48c415000 CR3: 0000000104b6e000 CR4: 00000000003506e0 # [ 79.493915] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 79.503827] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1895, name: cat # [ 79.512287] INFO: lockdep is turned off. # [ 79.516667] irq event stamp: 0 # [ 79.520078] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 79.527085] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 79.536217] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 79.545358] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 79.552363] CPU: 2 PID: 1895 Comm: cat Tainted: G D W 5.10.163-cip24 #1 # [ 79.561014] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 79.567630] Call Trace: # [ 79.570370] dump_stack+0x77/0x9b # [ 79.574081] ___might_sleep.cold+0xa6/0xb6 # [ 79.578663] exit_signals+0x1c/0x2e0 # [ 79.582661] do_exit+0xc2/0xaf0 # [ 79.586174] ? ksys_write+0x68/0xf0 # [ 79.590077] rewind_stack_do_exit+0x17/0x20 # [ 79.594753] RIP: 0033:0x7fc48c2fc833 # [ 79.598747] 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 # [ 79.619733] RSP: 002b:00007fffb7d726f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 79.628197] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fc48c2fc833 # [ 79.636171] RDX: 0000000000000011 RSI: 00007fc48c1ef000 RDI: 0000000000000001 # [ 79.644148] RBP: 00007fc48c1ef000 R08: 00007fc48c1ee010 R09: 0000000000000000 # [ 79.652121] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 79.660094] 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 # [ 79.988225] lkdtm: Performing direct entry ACCESS_NULL # [ 79.997056] lkdtm: attempting bad read at 0000000000000000 # [ 80.003238] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 80.011018] #PF: supervisor read access in kernel mode # [ 80.016755] #PF: error_code(0x0000) - not-present page # [ 80.022494] PGD 0 P4D 0 # [ 80.031539] Oops: 0000 [#13] SMP PTI # [ 80.035535] CPU: 2 PID: 1930 Comm: cat Tainted: G D W 5.10.163-cip24 #1 # [ 80.050383] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 80.057011] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 80.062269] Code: 06 96 fd ff be 00 10 00 00 48 89 ef e8 43 42 39 ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 90 d3 2b b3 e8 e0 95 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 b8 d3 2b b3 48 01 # [ 80.083244] RSP: 0018:ffff9[ 83.191276] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW [ 83.201031] lkdtm: attempting good refcount_inc() without overflow 2d84244fe58 EFLAGS: 00010246 # [ 80.089084] RAX: 000000000000[ 83.207987] lkdtm: attempting bad refcount_inc() overflow 002e RBX: 0000000000000027 RCX: 0000000000000000 # [ 80.09705[ 83.220269] ------------[ cut here ]------------ 8] RDX: 0000000000000000 RSI: ffff8b437bd1bf70 RDI: ffff8b437bd1[ 83.231655] refcount_t: saturated; leaking memory. bf70 # [ 80.105033] RBP: ffffffffb32bc481 R08: 00000000000000[ 83.243278] WARNING: CPU: 0 PID: 2070 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 00 R09: 0000000000000000 # [ 80.113007] R10: 00000000ffffe000[ 83.258899] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 83.281066] CPU: 0 PID: 2070 Comm: cat Tainted: G D W 5.10.163-cip24 #1 [ 83.289745] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 83.296389] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 83.302254] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d fe 02 94 01 00 75 ee 48 c7 c7 a8 7c 25 b3 c6 05 ee 02 94 01 01 e8 96 87 98 00 <0f> 0b c3 cc cc cc cc 80 3d da 02 94 01 00 75 cb 48 c7 c7 d0 7c 25 [ 83.323272] RSP: 0018:ffff92d84266fe48 EFLAGS: 00010286 [ 83.329133] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 [ 83.337130] RDX: ffff8b437bc2c660 RSI: ffff8b437bc1bf70 RDI: ffff8b437bc1bf70 [ 83.345128] RBP: ffffffffb32bc4b5 R08: 0000000000000000 R09: 0000000000000000 [ 83.353124] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 83.361120] R13: ffff92d84266ff10 R14: ffff92d84266ff10 R15: ffff8b430266f000 [ 83.369117] FS: 00007ff639f7e580(0000) GS:ffff8b437bc00000(0000) knlGS:0000000000000000 [ 83.378183] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 83.384627] CR2: 00007ff639d87000 CR3: 0000000105dea000 CR4: 00000000003506f0 [ 83.392629] Call Trace: [ 83.395397] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 [ 83.400786] direct_entry.cold+0x2c/0x38 [ 83.405198] full_proxy_write+0x56/0x80 [ 83.409517] vfs_write+0xea/0x3a0 [ 83.413247] ksys_write+0x68/0xf0 [ 83.416981] do_syscall_64+0x33/0x40 [ 83.421008] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 83.426681] RIP: 0033:0x7ff639e94833 [ 83.430699] 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 [ 83.451716] RSP: 002b:00007ffc40ef5348 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 83.460209] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007ff639e94833 [ 83.468208] RDX: 0000000000000016 RSI: 00007ff639d87000 RDI: 0000000000000001 [ 83.476207] RBP: 00007ff639d87000 R08: 00007ff639d86010 R09: 0000000000000000 [ 83.484205] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 83.492200] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 83.500201] irq event stamp: 0 R11: 3fffffffffffffff R12: 000000000000000c # [ 80.120980] R[ 83.503631] hardirqs last enabled at (0): [<0000000000000000>] 0x0 13: ffff92d84244ff10 R14: ffff92d84244ff10 R15: ffff8b4305d68000[ 83.516863] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 80.128955] FS: 00007f1036067580(0000) GS:ffff8b437bd000[ 83.532239] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 83.547626] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 83.554655] ---[ end trace 1d3a9950dc1d7403 ]--- [ 83.559835] lkdtm: Overflow detected: saturated 00(0000) knlGS:0000000000000000 # [ 80.138000] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 80.144422] CR2: 0000000000000000 CR3: 000000010285e000 CR4: 00000000003506e0 # [ 80.152395] Call Trace: # [ 80.155138] direct_entry.cold+0x2c/0x38 # [ 80.159519] full_proxy_write+0x56/0x80 # [ 80.163811] vfs_write+0xea/0x3a0 # [ 80.167522] ksys_write+0x68/0xf0 # [ 80.171229] do_syscall_64+0x33/0x40 # [ 80.175229] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 80.180877] RIP: 0033:0x7f1035f7d833 # [ 80.184873] 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 # [ 80.205860] RSP: 002b:00007ffc7bf41698 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 80.214323] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f1035f7d833 # [ 80.222295] RDX: 000000000000000c RSI: 00007f1035e70000 RDI: 0000000000000001 # [ 80.230267] RBP: 00007f1035e70000 R08: 00007f1035e6f010 R09: 0000000000000000 # [ 80.238241] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 80.246215] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 80.254202] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 80.270171] CR2: 0000000000000000 # [ 80.273875] ---[ end trace 1d3a9950dc1d73ff ]--- # [ 80.279039] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 80.283422] Code: 89 ff e8 de 6a a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 c0 85 93 02 # [ 80.304411] RSP: 0018:ffff92d84133fe60 EFLAGS: 00010286 # [ 80.310253] RAX: ffffffffb20e4090 RBX: 0000000000000001 RCX: 0000000000000000 # [ 80.318226] RDX: 0000000000000000 RSI: ffff8b437bc1bf70 RDI: ffffffffb2ed0fb0 # [ 80.326198] RBP: ffffffffb3317a00 R08: 0000000000000001 R09: 0000000000000001 # [ 80.334171] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 80.342146] R13: ffff92d84133ff10 R14: ffff92d84133ff10 R15: ffff8b4305f42000 # [ 80.350120] FS: 00007f1036067580(0000) GS:ffff8b437bd00000(0000) knlGS:0000000000000000 # [ 80.359165] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 80.365584] CR2: 0000000000000000 CR3: 000000010285e000 CR4: 00000000003506e0 # ACCESS_NULL: saw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh # Killed # [ 80.669764] lkdtm: Performing direct entry WRITE_RO # [ 80.677437] lkdtm: attempting bad rodata write at ffffffffb2ed1430 # [ 80.684378] BUG: unable to handle page fault for address: ffffffffb2ed1430 # [ 80.692067] #PF: supervisor write access in kernel mode # [ 80.697906] #PF: error_code(0x0003) - permissions violation # [ 80.710343] PGD 3fe29067 P[ 83.855134] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW [ 83.863831] lkdtm: attempting good refcount_add() without overflow 4D 3fe29067 PUD 3fe2a063 PMD 800000003f8001e1 # [ 80.724061][ 83.870798] lkdtm: attempting bad refcount_add() overflow Oops: 0003 [#14] SMP PTI # [ 80.728060] CPU: 0 PID: 1965 Com[ 83.883071] ------------[ cut here ]------------ [ 83.894460] refcount_t: saturated; leaking memory. m: cat Tainted: G D W 5.10.163-cip24 #1 # [ 80.7[ 83.899883] WARNING: CPU: 1 PID: 2102 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 42917] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ [ 83.915509] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 80.749544] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 80.754513[ 83.937703] CPU: 1 PID: 2102 Comm: cat Tainted: G D W 5.10.163-cip24 #1 ] Code: 00 48 c7 c7 70 d2 2b b3 48 c7 c6 30 14 ed b2 e8 8a 98 fd[ 83.952584] Hardware name: Google Coral/Coral, BIOS 09/29/2020 ff 48 8b 05 ed da 75 00 ba 34 12 cd ab 48 c7 c7 a0 d2 2b b3 48 [ 83.965434] RIP: 0010:refcount_warn_saturate+0x51/0x110 31 d0 <48> 89 05 d7 da 75 00 e9 68 98 fd ff 0f 1f 44 00 00 48 8b[ 83.977488] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d fe 02 94 01 00 75 ee 48 c7 c7 a8 7c 25 b3 c6 05 ee 02 94 01 01 e8 96 87 98 00 <0f> 0b c3 cc cc cc cc 80 3d da 02 94 01 00 75 cb 48 c7 c7 d0 7c 25 05 c6 69 [ 84.004692] RSP: 0018:ffff92d8426dfe48 EFLAGS: 00010286 # [ 80.775495] RSP: 0018:ffff92d8424c7e60 EFLAGS: 00010202 # [ 84.011605] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 [ 80.781327] RAX: 000000000198b861 RBX: 0000000000000028 RCX: [ 84.025800] RDX: ffff8b437bcac660 RSI: ffff8b437bc9bf70 RDI: ffff8b437bc9bf70 0000000000000000 # [ 80.789300] RDX: 00000000abcd1234 RSI: ff[ 84.039996] RBP: ffffffffb32bc4cb R08: 0000000000000000 R09: 0000000000000000 ff8b437bc1bf70 RDI: ffffffffb32bd2a0 [ 84.054191] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 80.797275] RBP: ffffffffb32bc48d R08: 0000000000000000 R09[ 84.065864] R13: ffff92d8426dff10 R14: ffff92d8426dff10 R15: ffff8b4300890000 : 0000000000000000[ 84.080060] FS: 00007fa2b6acd580(0000) GS:ffff8b437bc80000(0000) knlGS:0000000000000000 [ 84.090856] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 80.805249] R10: 00000000ffffe000 R11: 3fffffffffffffff R12[ 84.097479] CR2: 00007fa2b68d6000 CR3: 000000010516a000 CR4: 00000000003506e0 : 0000000000000009 [ 84.111676] Call Trace: # [ 80.813224] R13: ffff92d8424c7f10 R14: ffff92d8424c7f10 R15[ 84.116377] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 : ffff8b4303ba9000[ 84.127953] direct_entry.cold+0x2c/0x38 [ 84.134094] full_proxy_write+0x56/0x80 # [ 80.821199] FS: 00007f4c536c9580(0000) GS:ffff8b437bc00000[ 84.138582] vfs_write+0xea/0x3a0 (0000) knlGS:0000000000000000 # [ 80.830241] CS: 0010 DS: 00[ 84.148506] ksys_write+0x68/0xf0 00 ES: 0000 CR0: 0000000080050033 # [ 80.[ 84.158434] do_syscall_64+0x33/0x40 836660] CR2: ffffffffb2ed1430 CR3: 0000000105d7c000 CR4: 0000000[ 84.166698] entry_SYSCALL_64_after_hwframe+0x61/0xc6 0003506f0[ 84.178563] RIP: 0033:0x7fa2b69e3833 [ 84.183432] 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 [ 84.204623] RSP: 002b:00007ffcb0c0b968 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 80.844634] Call Trace:[ 84.213105] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fa2b69e3833 [ 84.223810] RDX: 0000000000000016 RSI: 00007fa2b68d6000 RDI: 0000000000000001 [ 84.231806] RBP: 00007fa2b68d6000 R08: 00007fa2b68d5010 R09: 0000000000000000 [ 84.239987] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 80.847375] direct_entry.cold+0x2c/0x38 # [ 80.851768] [ 84.247981] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 full_proxy_write+0x56/0x80[ 84.262191] irq event stamp: 0 # [ 80.856059] vfs_write+0xea/0x3a0[ 84.268220] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 84.279122] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 80.859763] ksys_write+0x68/0xf0 # [ 80.863470] do_s[ 84.288287] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 yscall_64+0x33/0x40 # [ 80.867468] entry_SYSCALL_64_after_hw[ 84.303634] softirqs last disabled at (0): [<0000000000000000>] 0x0 frame+0x61/0xc6 [ 84.316857] ---[ end trace 1d3a9950dc1d7404 ]--- # [ 80.873118] RIP: 0033:0x7f4c535df833 # [ 80.877115] Code[ 84.323678] lkdtm: Overflow detected: saturated : 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 # [ 80.898101] RSP: 002b:00007ffd5b3a2f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 80.906564] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f4c535df833 # [ 80.914539] RDX: 0000000000000009 RSI: 00007f4c534d2000 RDI: 0000000000000001 # [ 80.922512] RBP: 00007f4c534d2000 R08: 00007f4c534d1010 R09: 0000000000000000 # [ 80.930487] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 80.938461] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 80.946443] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 80.962414] CR2: ffffffffb2ed1430 # [ 80.966120] ---[ end trace 1d3a9950dc1d7400 ]--- # [ 80.971285] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 80.975669] Code: 89 ff e8 de 6a a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 c0 85 93 02 # [ 80.996656] RSP: 0018:ffff92d84133fe60 EFLAGS: 00010286 # [ 81.002495] RAX: ffffffffb20e4090 RBX: 0000000000000001 RCX: 0000000000000000 # [ 81.010470] RDX: 0000000000000000 RSI: ffff8b437bc1bf70 RDI: ffffffffb2ed0fb0 # [ 81.018443] RBP: ffffffffb3317a00 R08: 0000000000000001 R09: 0000000000000001 # [ 81.026416] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 81.034387] R13: ffff92d84133ff10 R14: ffff92d84133ff10 R15: ffff8b4305f42000 # [ 81.042364] FS: 00007f4c536c9580(0000) GS:ffff8b437bc00000(0000) knlGS:0000000000000000 # [ 81.051408] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 81.057828] CR2: ffffffffb2ed1430 CR3: 0000000105d7c000 CR4: 00000000003506f0 # [ 81.065804] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 81.075721] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1965, name: cat # [ 81.084179] INFO: lockdep is turned off. # [ 81.088559] irq event stamp: 0 # [ 81.091971] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 81.098977] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 81.108118] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 81.117258] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 81.124264] CPU: 0 PID: 1965 Comm: cat Tainted: G D W 5.10.163-cip24 #1 # [ 81.132916] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 81.139532] Call Trace: # [ 81.142269] dump_stack+0x77/0x9b # [ 81.145979] ___might_sleep.cold+0xa6/0xb6 # [ 81.150560] exit_signals+0x1c/0x2e0 # [ 81.154557] do_exit+0xc2/0xaf0 # [ 81.158068] ? ksys_write+0x68/0xf0 # [ 81.161963] rewind_stack_do_exit+0x17/0x20 # [ 81.166638] RIP: 0033:0x7f4c535df833 # [ 81.170633] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 [ 84.635691] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 1[ 84.647180] lkdtm: attempting bad refcount_inc_not_zero() overflow 4 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 [ 84.660303] ------------[ cut here ]------------ 48 83 ec 28 48 89 54 24 18 # [ 81.191620] RSP: 002b:00007ffd5[ 84.671685] refcount_t: saturated; leaking memory. b3a2f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 81.20[ 84.683378] WARNING: CPU: 3 PID: 2134 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 0084] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f4c5[ 84.698981] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 35df833 # [ 81.208059] RDX: 0000000000000009 RSI: 00007f4c534[ 84.721129] CPU: 3 PID: 2134 Comm: cat Tainted: G D W 5.10.163-cip24 #1 d2000 RDI: 0000000000000001 # [ 81.216034] RBP: 00007f4c534d2[ 84.736027] Hardware name: Google Coral/Coral, BIOS 09/29/2020 000 R08: 00007f4c534d1010 R09: 0000000000000000 # [ 81.224006[ 84.748861] RIP: 0010:refcount_warn_saturate+0x97/0x110 ] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000[ 84.760954] Code: 01 01 e8 73 87 98 00 0f 0b c3 cc cc cc cc 80 3d b9 02 94 01 00 75 a8 48 c7 c7 a8 7c 25 b3 c6 05 a9 02 94 01 01 e8 50 87 98 00 <0f> 0b c3 cc cc cc cc 80 3d 93 02 94 01 00 75 85 48 c7 c7 00 7d 25 001 # [ 81.231979] R13: 0000000000000001 R14: 000000000002000[ 84.788148] RSP: 0018:ffff92d84275fe38 EFLAGS: 00010282 0 R15: 0000000000020000 # WRITE_RO: saw 'call trace:': ok ok 3[ 84.800239] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 9 selftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AF[ 84.814435] RDX: ffff8b437bdac660 RSI: ffff8b437bd9bf70 RDI: ffff8b437bd9bf70 TER_INIT.sh # Killed # [ 81.574986] lkdtm: Performing direct[ 84.828648] RBP: ffffffffb32bc108 R08: 0000000000000000 R09: 0000000000000000 entry WRITE_RO_AFTER_INIT # [ 81.582160] lkdtm: attempting b[ 84.842843] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f ad ro_after_init write at ffffffffb333a330 # [ 81.596014] BUG[ 84.857066] R13: ffff92d84275ff10 R14: ffff92d84275ff10 R15: ffff8b4303c4f000 : unable to handle page fault for address: ffffffffb333a330 # [[ 84.871257] FS: 00007ff93f9a8580(0000) GS:ffff8b437bd80000(0000) knlGS:0000000000000000 81.609845] #PF: supervisor write access in kernel mode # [ [ 84.886552] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 81.615674] #PF: error_code(0x0003) - permissions violation # [[ 84.899186] CR2: 00007ff93f7b1000 CR3: 0000000102782000 CR4: 00000000003506e0 81.621902] PGD 3fe29067 P4D 3fe29067 PUD 3fe2a063 PMD 104b811[ 84.913395] Call Trace: 63 PTE 800000003fd3a061 # [ 81.630671] Oops: 0003 [#15] SMP P[ 84.922433] __refcount_add_not_zero.constprop.0+0x2a/0x35 TI # [ 81.634667] CPU: 3 PID: 2000 Comm: cat Tainted: G [ 84.935027] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 D W 5.10.163-cip24 #1 # [ 81.643318] Hardware name: G[ 84.947233] direct_entry.cold+0x2c/0x38 oogle Coral/Coral, BIOS 09/29/2020 # [ 81.649943] RIP: 0010:[ 84.958022] full_proxy_write+0x56/0x80 lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 81.655981] Code: d2 2[ 84.968581] vfs_write+0xea/0x3a0 b b3 e9 3c 98 fd ff 48 c7 c7 f8 d2 2b b3 e8 30 98 fd ff 48 8b 05[ 84.978458] ksys_write+0x68/0xf0 93 69 bc 00 ba 34 12 cd ab 48 c7 c7 a0 d2 2b b3 48 31 d0 <48> 8[ 84.988259] do_syscall_64+0x33/0x40 9 05 7d 69 bc 00 e9 0e 98 fd ff 0f 1f 44 00 00 41 54 48 c7 c7 #[ 84.998498] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 81.676967] RSP: 0018:ffff92d84254fe60 EFLAGS: 00010202 # [[ 85.010340] RIP: 0033:0x7ff93f8be833 81.682810] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0[ 85.020588] 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 000000000000000 # [ 81.690783] RDX: 00000000abcd1234 RSI: fff[ 85.047793] RSP: 002b:00007ffe098a4b08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 f8b437bd9bf70 RDI: ffffffffb32bd2a0 # [ 81.698757] RBP: fffff[ 85.062488] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007ff93f8be833 fffb32bc496 R08: 0000000000000000 R09: 0000000000000000 # [ 8[ 85.076665] RDX: 000000000000001f RSI: 00007ff93f7b1000 RDI: 0000000000000001 1.706730] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000[ 85.090885] RBP: 00007ff93f7b1000 R08: 00007ff93f7b0010 R09: 0000000000000000 00000000014 # [ 81.714707] R13: ffff92d84254ff10 R14: ffff92d[ 85.105070] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 84254ff10 R15: ffff8b430266f000 # [ 81.722685] FS: 00007f7d8[ 85.119309] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 893e580(0000) GS:ffff8b437bd80000(0000) knlGS:0000000000000000 [ 85.133504] irq event stamp: 0 # [ 81.731728] CS: 0010 DS: 0000 ES: 0000 CR0: 00000000800500[ 85.143157] hardirqs last enabled at (0): [<0000000000000000>] 0x0 33 # [ 81.738150] CR2: ffffffffb333a330 CR3: 0000000105d7c000[ 85.156370] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 CR4: 00000000003506e0 # [ 81.746122] Call Trace: # [ 81.7[ 85.171752] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 48863] direct_entry.cold+0x2c/0x38 # [ 81.753257] full_prox[ 85.187105] softirqs last disabled at (0): [<0000000000000000>] 0x0 y_write+0x56/0x80 # [ 81.757547] vfs_write+0xea/0x3a0 # [ [ 85.200362] ---[ end trace 1d3a9950dc1d7405 ]--- 81.761253] ksys_write+0x68/0xf0 # [ 81.764951] do_syscall_[ 85.211725] lkdtm: Overflow detected: saturated 64+0x33/0x40 # [ 81.768949] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 81.774599] RIP: 0033:0x7f7d88854833 # [ 81.778596] 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 # [ 81.799582] RSP: 002b:00007ffd5f22a018 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 81.808044] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f7d88854833 # [ 81.816017] RDX: 0000000000000014 RSI: 00007f7d88747000 RDI: 0000000000000001 # [ 81.823991] RBP: 00007f7d88747000 R08: 00007f7d88746010 R09: 0000000000000000 # [ 81.831965] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 81.839940] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 81.847926] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 81.863898] CR2: ffffffffb333a330 # [ 81.867605] ---[ end trace 1d3a9950dc1d7401 ]--- # [ 81.872769] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 81.877154] Code: 89 ff e8 de 6a a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 c0 85 93 02 # [ 81.898133] RSP: 0018:ffff92d84133fe60 EFLAGS: 00010286 # [ 81.903971] RAX: ffffffffb20e4090 RBX: 0000000000000001 RCX: 0000000000000000 # [ 81.911943] RDX: 0000000000000000 RSI: ffff8b437bc1bf70 RDI: ffffffffb2ed0fb0 # [ 81.919913] RBP: ffffffffb3317a00 R08: 0000000000000001 R09: 0000000000000001 # [ 81.927890] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 81.935864] R13: ffff92d84133ff10 R14: ffff92d84133ff10 R15: ffff8b4305f42000 # [ 81.943842] FS: 00007f7d8893e580(0000) GS:ffff8b437bd80000(0000) knlGS:0000000000000000 # [ 81.952885] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 81.959302] CR2: ffffffffb333a330 CR3: 0000000105d7c000 CR4: 00000000003506e0 # [ 81.967278] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 81.977191] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 2000, name: cat # [ 81.985648] INFO: lockdep is turned off. # [ 81.990029] irq event stamp: 0 # [ 81.993440] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 82.000446] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 82.009588] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 82.018730] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 82.025735] CPU: 3 PID: 2000 Comm: cat Tainted: G D W 5.10.163-cip24 #1 # [ 82.034388] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 82.041002] Call Trace: # [ 82.043739] dump_stack+0x77/0x9b # [ 82.047451] ___might_sleep.cold+0xa6/0xb6 # [ 82.052033] exit_signals+0x1c/0x2e0 # [ 82.056029] do_exit+0xc2/0xaf0 # [ 82.059541] ? ksys_write+0x68/0xf0 # [ 82.063445] rewind_stack_do_exit+0x17/0x20 # [ 82.068119] RIP: 0033:0x7f7d88854833 # [ 82.072112] Code: 8b 15 61 26 0e 00 f7 d8 64 89[ 85.538441] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW [ 85.547565] lkdtm: attempting bad refcount_add_not_zero() overflow 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 [ 85.554511] ------------[ cut here ]------------ 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f[ 85.565918] refcount_t: saturated; leaking memory. 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 82.093097] RSP: 002b[ 85.577558] WARNING: CPU: 1 PID: 2166 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 :00007ffd5f22a018 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 #[ 85.593187] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 82.101562] RAX: ffffffffffffffda RBX: 0000000000000014 RCX:[ 85.615390] CPU: 1 PID: 2166 Comm: cat Tainted: G D W 5.10.163-cip24 #1 [ 85.630280] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 85.636926] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 85.642800] Code: 01 01 e8 73 87 98 00 0f 0b c3 cc cc cc cc 80 3d b9 02 94 01 00 75 a8 48 c7 c7 a8 7c 25 b3 c6 05 a9 02 94 01 01 e8 50 87 98 00 <0f> 0b c3 cc cc cc cc 80 3d 93 02 94 01 00 75 85 48 c7 c7 00 7d 25 [ 85.663820] RSP: 0018:ffff92d8427cfe38 EFLAGS: 00010282 [ 85.669689] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 85.677688] RDX: ffff8b437bcac660 RSI: ffff8b437bc9bf70 RDI: ffff8b437bc9bf70 [ 85.685692] RBP: ffffffffb32bc128 R08: 0000000000000000 R09: 0000000000000000 [ 85.693683] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 85.701681] R13: ffff92d8427cff10 R14: ffff92d8427cff10 R15: ffff8b43027b0000 [ 85.709682] FS: 00007fea865e4580(0000) GS:ffff8b437bc80000(0000) knlGS:0000000000000000 [ 85.718749] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 85.725194] CR2: 00007fea863ed000 CR3: 0000000104024000 CR4: 00000000003506e0 [ 85.733191] Call Trace: 00007f7d88854833 # [ 82.109533] RDX: 0000000000000014 RSI: 0[ 85.735959] __refcount_add_not_zero.constprop.0+0x2a/0x35 0007f7d88747000 RDI: 0000000000000001 # [ 82.117506] RBP: 000[ 85.748352] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 [ 85.760816] direct_entry.cold+0x2c/0x38 [ 85.765232] full_proxy_write+0x56/0x80 07f7d88747000 R08: 00007f7d88746010 R09: 0000000000000000 # [ [ 85.769553] vfs_write+0xea/0x3a0 [ 85.779459] ksys_write+0x68/0xf0 82.125479] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 000[ 85.783195] do_syscall_64+0x33/0x40 0000000000001 # [ 82.133455] R13: 0000000000000001 R14: 00000[ 85.793401] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 85.805290] RIP: 0033:0x7fea864fa833 00000020000 R15: 0000000000020000 # WRITE_RO_AFTER_INIT: saw 'c[ 85.809317] 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 all trace:': ok ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh [ 85.836529] RSP: 002b:00007fff94223e78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # selftests: lkdtm: WRITE_KERN.sh # Killed # [ 82.461027] l[ 85.851268] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fea864fa833 kdtm: Performing direct entry WRITE_KERN # [ 82.470326] lkdtm[ 85.865471] RDX: 000000000000001f RSI: 00007fea863ed000 RDI: 0000000000000001 [ 85.879675] RBP: 00007fea863ed000 R08: 00007fea863ec010 R09: 0000000000000000 [ 85.887672] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 85.895668] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 : attempting bad 6878301 byte write at ffffffffb27738bd # [ 8[ 85.903681] irq event stamp: 0 [ 85.913333] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 85.920360] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 2.484059] BUG: unable to handle page fault for address: ffffffff[ 85.929528] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 b27738bd # [ 82.497914] #PF: supervisor write access in kerne[ 85.944876] softirqs last disabled at (0): [<0000000000000000>] 0x0 l mode # [ 82.503753] #PF: error_code(0x0003) - permissions v[ 85.958110] ---[ end trace 1d3a9950dc1d7406 ]--- [ 85.969485] lkdtm: Overflow detected: saturated iolation # [ 82.509979] PGD 3fe29067 P4D 3fe29067 PUD 3fe2a063 PMD 3f0001e1 # [ 82.516706] Oops: 0003 [#16] SMP PTI # [ 82.520705] CPU: 3 PID: 2035 Comm: cat Tainted: G D W 5.10.163-cip24 #1 # [ 82.529361] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 82.535985] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 82.541147] Code: 53 48 c7 c3 bd 38 77 b2 49 89 dc 48 89 da 49 81 ec 60 44 0e b2 4c 89 e6 e8 e3 97 fd ff 48 89 df 4c 89 e1 48 c7 c6 60 44 0e b2 a4 48 c7 c7 a0 d2 2b b3 e8 c8 97 fd ff 5b 41 5c e9 b7 fe ff ff # [ 82.562128] RSP: 0018:ffff92d8425efe50 EFLAGS: 00010246 # [ 82.567971] RAX: 000000000000003c RBX: ffffffffb27738bd RCX: 000000000068f45d # [ 82.575944] RDX: 0000000000000000 RSI: ffffffffb20e4460 RDI: ffffffffb27738bd # [ 82.583920] RBP: ffffffffb32bc4aa R08: 0000000000000000 R09: 0000000000000000 # [ 82.591894] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000068f45d # [ 82.599867] R13: ffff92d8425eff10 R14: ffff92d8425eff10 R15: ffff8b4305c64000 # [ 82.607844] FS: 00007f397d131580(0000) GS:ffff8b437bd80000(0000) knlGS:0000000000000000 # [ 82.616886] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 82.623306] CR2: ffffffffb27738bd CR3: 0000000102952000 CR4: 00000000003506e0 # [ 82.631280] Call Trace: # [ 82.634023] direct_entry.cold+0x2c/0x38 # [ 82.638411] full_proxy_write+0x56/0x80 # [ 82.642701] vfs_write+0xea/0x3a0 # [ 82.646405] ksys_write+0x68/0xf0 # [ 82.650115] do_syscall_64+0x33/0x40 # [ 82.654114] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 82.659762] RIP: 0033:0x7f397d047833 # [ 82.663756] 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 # [ 82.684742] RSP: 002b:00007fffe43a6598 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 82.693203] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f397d047833 # [ 82.701175] RDX: 000000000000000b RSI: 00007f397cf3a000 RDI: 0000000000000001 # [ 82.709148] RBP: 00007f397cf3a000 R08: 00007f397cf39010 R09: 0000000000000000 # [ 82.717123] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 82.725097] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 82.733083] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 82.749051] CR2: ffffffffb27738bd # [ 82.752756] ---[ end trace 1d3a9950dc1d7402 ]--- # [ 82.757919] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 82.762304] Code: 89 ff e8 de 6a a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 c0 85 93 02 # [ 82.783281] RSP: 0018:ffff92d84133fe60 EFLAGS: 00010286 # [ 82.789121] RAX: ffffffffb20e4090 RBX: 0000000000000001 RCX: 0000000000000000 # [ 82.797095] RDX: 0000000000000000 RSI: ffff8b437bc1bf70 RDI: ffffffffb2ed0fb0 # [ 82.805070] RBP: ffffffffb3317a00 R08: 0000000000000001 R09: 000000000000000[ 86.280407] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO 1 # [ 82.813043] R10: 00000000ffffe000 R11: 3fffffffffffffff [ 86.291698] lkdtm: attempting good refcount_dec() R12: 0000000000000004 # [ 82.821017] R13: ffff92d84133ff10 R1[ 86.303185] lkdtm: attempting bad refcount_dec() to zero 4: ffff92d84133ff10 R15: ffff8b4305f42000 # [ 82.828994] FS: [ 86.315377] ------------[ cut here ]------------ 00007f397d131580(0000) GS:ffff8b437bd80000(0000) knlGS:00000000[ 86.326792] refcount_t: decrement hit 0; leaking memory. 00000000 # [ 82.838035] CS: 0010 DS: 0000 ES: 0000 CR0: 0000[ 86.338987] WARNING: CPU: 3 PID: 2198 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 000080050033 # [ 82.844454] CR2: ffffffffb27738bd CR3: 000000[ 86.354582] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0102952000 CR4: 00000000003506e0 # WRITE_KERN: saw 'call trace:[ 86.376746] CPU: 3 PID: 2198 Comm: cat Tainted: G D W 5.10.163-cip24 #1 ': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm[ 86.391607] Hardware name: Google Coral/Coral, BIOS 09/29/2020 : REFCOUNT_INC_OVERFLOW.sh # [ 83.191276] lkdtm: Performing d[ 86.404452] RIP: 0010:refcount_warn_saturate+0xfb/0x110 irect entry REFCOUNT_INC_OVERFLOW # [ 83.201031] lkdtm: attem[ 86.416556] Code: 58 7d 25 b3 c6 05 5a 02 94 01 01 e8 06 87 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 28 7d 25 b3 c6 05 41 02 94 01 01 e8 ec 86 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b pting good refcount_inc() without overflow # [ 83.207987] lkd[ 86.443753] RSP: 0018:ffff92d842857e48 EFLAGS: 00010286 tm: attempting bad refcount_inc() overflow # [ 83.220269] ---[ 86.455802] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 ---------[ cut here ]------------ # [ 83.231655] refcount_t: [ 86.469996] RDX: ffff8b437bdac660 RSI: ffff8b437bd9bf70 RDI: ffff8b437bd9bf70 saturated; leaking memory. # [ 83.243278] WARNING: CPU: 0 PID[ 86.484212] RBP: ffffffffb32bc4e1 R08: 0000000000000000 R09: 0000000000000000 : 2070 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 #[ 86.498392] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 83.258899] Modules linked in: fuse ip_tables cros_ec_sysfs [ 86.512615] R13: ffff92d842857f10 R14: ffff92d842857f10 R15: ffff8b4305c07000 cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_th[ 86.526804] FS: 00007f0c66104580(0000) GS:ffff8b437bd80000(0000) knlGS:0000000000000000 ermal cros_ec_dev cros_usbpd_notify # [ 83.281066] CPU: 0 PID[ 86.542090] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 : 2070 Comm: cat Tainted: G D W 5.10.163-cip24 #1 [ 86.554725] CR2: 00007f0c65f0d000 CR3: 0000000105f58000 CR4: 00000000003506e0 # [ 83.289745] Hardware name: Google Coral/Coral, BIOS 09/29/[ 86.568985] Call Trace: 2020 # [ 83.296389] RIP: 0010:refcount_warn_saturate+0x51/0x1[ 86.578206] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd 10 # [ 83.302254] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 7[ 86.589132] direct_entry.cold+0x2c/0x38 4 46 80 3d fe 02 94 01 00 75 ee 48 c7 c7 a8 7c 25 b3 c6 05 ee 02[ 86.599910] full_proxy_write+0x56/0x80 94 01 01 e8 96 87 98 00 <0f> 0b c3 cc cc cc cc 80 3d da 02 94 0[ 86.610237] vfs_write+0xea/0x3a0 1 00 75 cb 48 c7 c7 d0 7c 25 # [ 83.323272] RSP: 0018:ffff92d[ 86.620174] ksys_write+0x68/0xf0 84266fe48 EFLAGS: 00010286 # [ 83.329133] RAX: 00000000000000[ 86.630257] do_syscall_64+0x33/0x40 00 RBX: 000000000000002b RCX: 0000000000000000 # [ 83.337130][ 86.640340] entry_SYSCALL_64_after_hwframe+0x61/0xc6 RDX: ffff8b437bc2c660 RSI: ffff8b437bc1bf70 RDI: ffff8b437bc1bf[ 86.652219] RIP: 0033:0x7f0c6601a833 70 # [ 83.345128] RBP: ffffffffb32bc4b5 R08: 0000000000000000[ 86.662419] 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 R09: 0000000000000000 # [ 83.353124] R10: 00000000ffffe000 R[ 86.689646] RSP: 002b:00007ffd722e6e58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 11: 3fffffffffffffff R12: 0000000000000016 # [ 83.361120] R13[ 86.704314] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f0c6601a833 : ffff92d84266ff10 R14: ffff92d84266ff10 R15: ffff8b430266f000 [ 86.718577] RDX: 0000000000000012 RSI: 00007f0c65f0d000 RDI: 0000000000000001 # [ 83.369117] FS: 00007ff639f7e580(0000) GS:ffff8b437bc00000[ 86.732705] RBP: 00007f0c65f0d000 R08: 00007f0c65f0c010 R09: 0000000000000000 (0000) knlGS:0000000000000000 # [ 83.378183] CS: 0010 DS: 00[ 86.746933] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 00 ES: 0000 CR0: 0000000080050033 # [ 83.384627] CR2: 00007ff[ 86.761100] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 639d87000 CR3: 0000000105dea000 CR4: 00000000003506f0 # [ 83.[ 86.775316] irq event stamp: 0 392629] Call Trace: # [ 83.395397] lkdtm_REFCOUNT_INC_OVERFL[ 86.784909] hardirqs last enabled at (0): [<0000000000000000>] 0x0 OW+0x70/0x98 # [ 83.400786] direct_entry.cold+0x2c/0x38 # [[ 86.798239] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 83.405198] full_proxy_write+0x56/0x80 # [ 83.409517] vfs[ 86.813612] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 _write+0xea/0x3a0 # [ 83.413247] ksys_write+0x68/0xf0 # [ [ 86.828978] softirqs last disabled at (0): [<0000000000000000>] 0x0 83.416981] do_syscall_64+0x33/0x40 # [ 83.421008] entry_SY[ 86.842185] ---[ end trace 1d3a9950dc1d7407 ]--- SCALL_64_after_hwframe+0x61/0xc6 # [ 83.426681] RIP: 0033:0x7[ 86.853590] lkdtm: Zero detected: saturated ff639e94833 # [ 83.430699] 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 # [ 83.451716] RSP: 002b:00007ffc40ef5348 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 83.460209] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007ff639e94833 # [ 83.468208] RDX: 0000000000000016 RSI: 00007ff639d87000 RDI: 0000000000000001 # [ 83.476207] RBP: 00007ff639d87000 R08: 00007ff639d86010 R09: 0000000000000000 # [ 83.484205] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 83.492200] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 83.500201] irq event stamp: 0 # [ 83.503631] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 83.516863] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 83.532239] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 83.547626] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 83.554655] ---[ end trace 1d3a9950dc1d7403 ]--- # [ 83.559835] 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 # [ 83.855134] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 83.863831] lkdtm: attempting good refcount_add() without overflow # [ 83.870798] lkdtm: attempting bad refcount_add() overflow # [ 83.883071] ------------[ cut here ]------------ # [ 83.894460] refcount_t: saturated; leaking memory. # [ 83.899883] WARNING: CPU: 1 PID: 2102 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 83.915509] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 83.937703] CPU: 1 PID: 2102 Comm: cat Tainted: G D W 5.10.163-cip24 #1 # [ 83.952584] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 83.965434] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 83.977488] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d fe 02 94 01 00 75 ee 48 c7 c7 a8 7c 25 b3 c6 05 ee 02 94 01 01 e8 96 87 98 00 <0f> 0b c3 cc cc cc cc 80 3d da 02 94 01 00 75 cb 48 c7 c7 d0 7c 25 # [ 84.004692] RSP: 0018:ffff92d8426dfe48 EFLAGS: 00010286 # [ 84.011605] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 84.025800] RDX: ffff8b437bcac660 RSI: ffff8b437bc9bf70 RDI: ffff8b437bc9bf70 # [ 84.039996] RBP: ffffffffb32bc4cb R08: 0000000000000000 R09: 0000000000000000 # [ 84.054191] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 84.065864] R13: ffff92d8426dff10 R14: ffff92d8426dff10 R15: ffff8b4300890000 # [ 84.080060] FS: 00007fa2b6acd580(0000) GS:ffff8b437bc80000(0000) knlGS:0000000000000000 # [ 84.090856] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 84.097479] CR2: 00007fa2b68d6000 CR3: 000000010516a000 CR4: 00000000003506e0 # [ 84.11[ 87.167926] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE [ 87.175509] lkdtm: attempting bad refcount_dec() below zero [ 87.181778] ------------[ cut here ]------------ 1676] Call Trace: # [ 84.116377] lkdtm_REFCOUNT_ADD_OVERFLOW[ 87.186965] refcount_t: decrement hit 0; leaking memory. +0x7f/0xa7 # [ 84.127953] direct_entry.cold+0x2c/0x38 # [ [ 87.199163] WARNING: CPU: 1 PID: 2233 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 [ 87.214797] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 87.230811] CPU: 1 PID: 2233 Comm: cat Tainted: G D W 5.10.163-cip24 #1 [ 87.239500] Hardware name: Google Coral/Coral, BIOS 09/29/2020 84.134094] full_proxy_write+0x56/0x80 # [ 84.138582] vfs_w[ 87.246180] RIP: 0010:refcount_warn_saturate+0xfb/0x110 rite+0xea/0x3a0 # [ 84.148506] ksys_write+0x68/0xf0 # [ 8[ 87.258214] Code: 58 7d 25 b3 c6 05 5a 02 94 01 01 e8 06 87 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 28 7d 25 b3 c6 05 41 02 94 01 01 e8 ec 86 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 87.285426] RSP: 0018:ffff92d8428d7e48 EFLAGS: 00010286 [ 87.291294] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 [ 87.299291] RDX: ffff8b437bcac660 RSI: ffff8b437bc9bf70 RDI: ffff8b437bc9bf70 [ 87.307285] RBP: ffffffffb32bc4f3 R08: 0000000000000000 R09: 0000000000000000 [ 87.315284] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 87.323281] R13: ffff92d8428d7f10 R14: ffff92d8428d7f10 R15: ffff8b4304020000 [ 87.331282] FS: 00007fe6c824f580(0000) GS:ffff8b437bc80000(0000) knlGS:0000000000000000 [ 87.340350] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 87.346795] CR2: 00007fe6c8058000 CR3: 0000000104b96000 CR4: 00000000003506e0 [ 87.354792] Call Trace: 4.158434] do_syscall_64+0x33/0x40 # [ 84.166698] entry_SYSC[ 87.357560] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 [ 87.369161] direct_entry.cold+0x2c/0x38 ALL_64_after_hwframe+0x61/0xc6 # [ 84.178563] RIP: 0033:0x7fa[ 87.373577] full_proxy_write+0x56/0x80 [ 87.384068] vfs_write+0xea/0x3a0 2b69e3833 # [ 84.183432] Code: 8b 15 61 26 0e 00 f7 d8 64 89 [ 87.387803] ksys_write+0x68/0xf0 [ 87.397715] do_syscall_64+0x33/0x40 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 8[ 87.401740] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 87.413590] RIP: 0033:0x7fe6c8165833 [ 87.417612] 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 [ 87.438623] RSP: 002b:00007fff170d5788 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 87.447106] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fe6c8165833 [ 87.455102] RDX: 0000000000000016 RSI: 00007fe6c8058000 RDI: 0000000000000001 [ 87.463102] RBP: 00007fe6c8058000 R08: 00007fe6c8057010 R09: 0000000000000000 [ 87.471098] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 87.479095] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 5 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f [ 87.487102] irq event stamp: 0 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 84.204623] RSP: 002b:[ 87.496720] hardirqs last enabled at (0): [<0000000000000000>] 0x0 00007ffcb0c0b968 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 87.509957] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 84.213105] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: [ 87.525316] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 00007fa2b69e3833 # [ 84.223810] RDX: 0000000000000016 RSI: 00[ 87.540688] softirqs last disabled at (0): [<0000000000000000>] 0x0 007fa2b68d6000 RDI: 0000000000000001 [ 87.553916] ---[ end trace 1d3a9950dc1d7408 ]--- # [ 84.231806] RBP: 00007fa2b68d6000 R08: 00007fa2b68d5010 R09[ 87.562778] lkdtm: Negative detected: saturated : 0000000000000000 # [ 84.239987] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 84.247981] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 84.262191] irq event stamp: 0 # [ 84.268220] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 84.279122] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 84.288287] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 84.303634] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 84.316857] ---[ end trace 1d3a9950dc1d7404 ]--- # [ 84.323678] 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 # [ 84.635691] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 84.647180] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 84.660303] ------------[ cut here ]------------ # [ 84.671685] refcount_t: saturated; leaking memory. # [ 84.683378] WARNING: CPU: 3 PID: 2134 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 84.698981] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 84.721129] CPU: 3 PID: 2134 Comm: cat Tainted: G D W 5.10.163-cip24 #1 # [ 84.736027] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 84.748861] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 84.760954] Code: 01 01 e8 73 87 98 00 0f 0b c3 cc cc cc cc 80 3d b9 02 94 01 00 75 a8 48 c7 c7 a8 7c 25 b3 c6 05 a9 02 94 01 01 e8 50 87 98 00 <0f> 0b c3 cc cc cc cc 80 3d 93 02 94 01 00 75 85 48 c7 c7 00 7d 25 # [ 84.788148] RSP: 0018:ffff92d84275fe38 EFLAGS: 00010282 # [ 84.800239] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 84.814435] RDX: ffff8b437bdac660 RSI: ffff8b437bd9bf70 RDI: ffff8b437bd9bf70 # [ 84.828648] RBP: ffffffffb32bc108 R08: 0000000000000000 R09: 0000000000000000 # [ 84.842843] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 84.857066] R13: ffff92d84275ff10 R14: ffff92d84275ff10 R15: ffff8b4303c4f000 # [ 84.871257] FS: 00007ff93f9a8580(0000) GS:ffff8b437bd80000(0000) knlGS:0000000000000000 # [ 84.886552] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 84.899186] CR2: 00007ff93f7b1000 CR3: 0000000102782000 CR4: 00000000003506e0 # [ 84.913395] Call Trace: # [ 84.922433] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 84.935027] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 84.947233] direct_entry.cold+0x2c/0x38 # [ 84.958022] full_proxy_write+0x56/0x80 # [ 84.968581] vfs_write+0xea/0x3a0 # [ 84.978458] ksys_write+0x68/0xf0 # [ 84.988259] do_syscall_64+0x33/0x40 # [ 84.998498] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 85.010340] RIP: 0033:0x7ff93f8be833 # [ 85.020588] 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 0[ 87.879677] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE 5 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 [ 87.887979] lkdtm: attempting bad refcount_dec_and_test() below zero [ 87.901337] ------------[ cut here ]------------ 24 18 # [ 85.047793] RSP: 002b:00007ffe098a4b08 EFLAGS: 00000[ 87.906521] refcount_t: underflow; use-after-free. 246 ORIG_RAX: 0000000000000001 # [ 85.062488] RAX: ffffffffff[ 87.918152] WARNING: CPU: 0 PID: 2268 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 [ 87.933819] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 87.949815] CPU: 0 PID: 2268 Comm: cat Tainted: G D W 5.10.163-cip24 #1 [ 87.958536] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 87.965210] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 87.971075] Code: 01 01 e8 50 87 98 00 0f 0b c3 cc cc cc cc 80 3d 93 02 94 01 00 75 85 48 c7 c7 00 7d 25 b3 c6 05 83 02 94 01 01 e8 2d 87 98 00 <0f> 0b c3 cc cc cc cc 80 3d 6e 02 94 01 00 0f 85 5e ff ff ff 48 c7 [ 87.992084] RSP: 0018:ffff92d842967e40 EFLAGS: 00010286 [ 87.997944] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 [ 88.005940] RDX: ffff8b437bc2c660 RSI: ffff8b437bc1bf70 RDI: ffff8b437bc1bf70 [ 88.013926] RBP: ffffffffb32bc148 R08: 0000000000000000 R09: 0000000000000000 [ 88.021920] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 88.029916] R13: ffff92d842967f10 R14: ffff92d842967f10 R15: ffff8b430271c000 ffffda RBX: 000000000000001f RCX: 00007ff93f8be833 # [ 85.076[ 88.037909] FS: 00007f00e4378580(0000) GS:ffff8b437bc00000(0000) knlGS:0000000000000000 [ 88.053187] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 88.059627] CR2: 00007f00e4181000 CR3: 0000000105222000 CR4: 00000000003506f0 [ 88.067621] Call Trace: [ 88.070383] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 88.076544] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 [ 88.082801] direct_entry.cold+0x2c/0x38 [ 88.087214] full_proxy_write+0x56/0x80 [ 88.091529] vfs_write+0xea/0x3a0 [ 88.095260] ksys_write+0x68/0xf0 665] RDX: 000000000000001f RSI: 00007ff93f7b1000 RDI: 0000000000[ 88.098990] do_syscall_64+0x33/0x40 [ 88.109221] entry_SYSCALL_64_after_hwframe+0x61/0xc6 000001 # [ 85.090885] RBP: 00007ff93f7b1000 R08: 00007ff93f7b[ 88.114892] RIP: 0033:0x7f00e428e833 [ 88.125105] 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 [ 88.146113] RSP: 002b:00007ffdacf43628 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 88.154596] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f00e428e833 [ 88.162592] RDX: 000000000000001f RSI: 00007f00e4181000 RDI: 0000000000000001 [ 88.170584] RBP: 00007f00e4181000 R08: 00007f00e4180010 R09: 0000000000000000 0010 R09: 0000000000000000 # [ 85.105070] R10: fffffffffffffb[ 88.178585] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 88.192780] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 c5 R11: 0000000000000246 R12: 0000000000000001 # [ 85.119309][ 88.200789] irq event stamp: 0 [ 88.210409] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 88.217445] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 88.226621] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 88.235784] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 88.242808] ---[ end trace 1d3a9950dc1d7409 ]--- [ 88.247990] lkdtm: Negative detected: saturated R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 85.133504] irq event stamp: 0 # [ 85.143157] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 85.156370] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 85.171752] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 85.187105] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 85.200362] ---[ end trace 1d3a9950dc1d7405 ]--- # [ 85.211725] lkdtm: Overflow detected: saturated # REFCOUNT_INC_NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # [ 85.538441] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 85.547565] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 85.554511] ------------[ cut here ]------------ # [ 85.565918] refcount_t: saturated; leaking memory. # [ 85.577558] WARNING: CPU: 1 PID: 2166 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 85.593187] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 85.615390] CPU: 1 PID: 2166 Comm: cat Tainted: G D W 5.10.163-cip24 #1 # [ 85.630280] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 85.636926] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 85.642800] Code: 01 01 e8 73 87 98 00 0f 0b c3 cc cc cc cc 80 3d b9 02 94 01 00 75 a8 48 c7 c7 a8 7c 25 b3 c6 05 a9 02 94 01 01 e8 50 87 98 00 <0f> 0b c3 cc cc cc cc 80 3d 93 02 94 01 00 75 85 48 c7 c7 00 7d 25 # [ 85.663820] RSP: 0018:ffff92d8427cfe38 EFLAGS: 00010282 # [ 85.669689] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 85.677688] RDX: ffff8b437bcac660 RSI: ffff8b437bc9bf70 RDI: ffff8b437bc9bf70 # [ 85.685692] RBP: ffffffffb32bc128 R08: 0000000000000000 R09: 0000000000000000 # [ 85.693683] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 85.701681] R13: ffff92d8427cff10 R14: ffff92d8427cff10 R15: ffff8b43027b0000 # [ 85.709682] FS: 00007fea865e4580(0000) GS:ffff8b437bc80000(0000) knlGS:0000000000000000 # [ 85.718749] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 85.725194] CR2: 00007fea863ed000 CR3: 0000000104024000 CR4: 00000000003506e0 # [ 85.733191] Call Trace: # [ 85.735959] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 85.748352] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 85.760816] direct_entry.cold+0x2c/0x38 # [ 85.765232] full_proxy_write+0x56/0x80 # [ 85.769553] vfs_write+0xea/0x3a0 # [ 85.779459] ksys_write+0x68/0xf0 # [ 85.783195] do_syscall_64+0x33/0x40 # [ 85.793401] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 85.805290] RIP: 0033:0x7fea864fa833 # [ 85.809317] 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 # [ 85.836529] RSP: 002b:00007fff94223e78 EFLAGS: 00000246 ORIG_RAX: 000000[ 88.558533] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE [ 88.571631] lkdtm: attempting bad refcount_sub_and_test() below zero [ 88.578784] ------------[ cut here ]------------ [ 88.583962] refcount_t: underflow; use-after-free. 0000000001 # [ 85.851268] RAX: ffffffffffffffda RBX: 00000000[ 88.589397] WARNING: CPU: 1 PID: 2303 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 0000001f RCX: 00007fea864fa833 # [ 85.865471] RDX: 0000000000[ 88.605018] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 00001f RSI: 00007fea863ed000 RDI: 0000000000000001 # [ 85.879[ 88.627238] CPU: 1 PID: 2303 Comm: cat Tainted: G D W 5.10.163-cip24 #1 [ 88.642134] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 88.648781] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 88.654647] Code: 01 01 e8 50 87 98 00 0f 0b c3 cc cc cc cc 80 3d 93 02 94 01 00 75 85 48 c7 c7 00 7d 25 b3 c6 05 83 02 94 01 01 e8 2d 87 98 00 <0f> 0b c3 cc cc cc cc 80 3d 6e 02 94 01 00 0f 85 5e ff ff ff 48 c7 [ 88.675663] RSP: 0018:ffff92d8429efe40 EFLAGS: 00010286 [ 88.681526] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 [ 88.689523] RDX: ffff8b437bcac660 RSI: ffff8b437bc9bf70 RDI: ffff8b437bc9bf70 [ 88.697524] RBP: ffffffffb32bc168 R08: 0000000000000000 R09: 0000000000000000 [ 88.705518] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 88.713513] R13: ffff92d8429eff10 R14: ffff92d8429eff10 R15: ffff8b4304047000 [ 88.721510] FS: 00007f48d20c9580(0000) GS:ffff8b437bc80000(0000) knlGS:0000000000000000 [ 88.730574] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 88.737022] CR2: 00007f48d1ed2000 CR3: 000000010123a000 CR4: 00000000003506e0 [ 88.745017] Call Trace: [ 88.747789] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 88.753948] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b 675] RBP: 00007fea863ed000 R08: 00007fea863ec010 R09: 0000000000[ 88.760213] direct_entry.cold+0x2c/0x38 000000 # [ 85.887672] R10: fffffffffffffbc5 R11: 000000000000[ 88.770846] full_proxy_write+0x56/0x80 [ 88.781365] vfs_write+0xea/0x3a0 0246 R12: 0000000000000001 # [ 85.895668] R13: 00000000000000[ 88.785098] ksys_write+0x68/0xf0 [ 88.795009] do_syscall_64+0x33/0x40 [ 88.799033] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 88.804701] RIP: 0033:0x7f48d1fdf833 01 R14: 0000000000020000 R15: 0000000000020000 # [ 85.903681][ 88.808720] 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 irq event stamp: 0 # [ 85.913333] hardirqs last enabled at [ 88.835921] RSP: 002b:00007ffeab486488 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 88.850626] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f48d1fdf833 (0): [<0000000000000000>] 0x0 # [ 85.920360] hardirqs last di[ 88.858616] RDX: 000000000000001f RSI: 00007f48d1ed2000 RDI: 0000000000000001 [ 88.872818] RBP: 00007f48d1ed2000 R08: 00007f48d1ed1010 R09: 0000000000000000 [ 88.880813] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 88.888805] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 88.896813] irq event stamp: 0 [ 88.900253] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 88.907281] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 sabled at (0): [] copy_process+0x664/0x1cb0 #[ 88.916483] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 85.929528] softirqs last enabled at (0): [] 0x0 [ 88.945082] ---[ end trace 1d3a9950dc1d740a ]--- [ 88.950259] lkdtm: Negative detected: saturated 4>] copy_process+0x664/0x1cb0 # [ 85.944876] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 85.958110] ---[ end trace 1d3a9950dc1d7406 ]--- # [ 85.969485] 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 # [ 86.280407] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 86.291698] lkdtm: attempting good refcount_dec() # [ 86.303185] lkdtm: attempting bad refcount_dec() to zero # [ 86.315377] ------------[ cut here ]------------ # [ 86.326792] refcount_t: decrement hit 0; leaking memory. # [ 86.338987] WARNING: CPU: 3 PID: 2198 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 86.354582] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 86.376746] CPU: 3 PID: 2198 Comm: cat Tainted: G D W 5.10.163-cip24 #1 # [ 86.391607] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 86.404452] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 86.416556] Code: 58 7d 25 b3 c6 05 5a 02 94 01 01 e8 06 87 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 28 7d 25 b3 c6 05 41 02 94 01 01 e8 ec 86 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 86.443753] RSP: 0018:ffff92d842857e48 EFLAGS: 00010286 # [ 86.455802] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 86.469996] RDX: ffff8b437bdac660 RSI: ffff8b437bd9bf70 RDI: ffff8b437bd9bf70 # [ 86.484212] RBP: ffffffffb32bc4e1 R08: 0000000000000000 R09: 0000000000000000 # [ 86.498392] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 86.512615] R13: ffff92d842857f10 R14: ffff92d842857f10 R15: ffff8b4305c07000 # [ 86.526804] FS: 00007f0c66104580(0000) GS:ffff8b437bd80000(0000) knlGS:0000000000000000 # [ 86.542090] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 86.554725] CR2: 00007f0c65f0d000 CR3: 0000000105f58000 CR4: 00000000003506e0 # [ 86.568985] Call Trace: # [ 86.578206] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 86.589132] direct_entry.cold+0x2c/0x38 # [ 86.599910] full_proxy_write+0x56/0x80 # [ 86.610237] vfs_write+0xea/0x3a0 # [ 86.620174] ksys_write+0x68/0xf0 # [ 86.630257] do_syscall_64+0x33/0x40 # [ 86.640340] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 86.652219] RIP: 0033:0x7f0c6601a833 # [ 86.662419] 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 # [ 86.689646] RSP: 002b:00007ffd722e6e58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 86.704314] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f0c6601a833 # [ 86.718577] RDX: 0000000000000012 RSI: 00007f0c65f0d000 RDI: 0000000000000001 # [ 86.732705] RBP: 00007f0c65f0d000 R08: 00007f0c65f0c010 R09: 0000000000000000 # [ 86.746933] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 86.761100] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 86.775316] irq event stamp: 0 # [ 86.784909] hardirqs last enabled at (0): [<0[ 89.275513] lkdtm: Performing direct entry REFCOUNT_INC_ZERO 000000000000000>] 0x0 # [ 86.798239] hardirqs last disabled a[ 89.284953] lkdtm: attempting safe refcount_inc_not_zero() from zero [ 89.298258] lkdtm: Good: zero detected [ 89.302464] lkdtm: Correctly stayed at zero [ 89.307156] lkdtm: attempting bad refcount_inc() from zero [ 89.313305] ------------[ cut here ]------------ t (0): [] copy_process+0x664/0x1cb0 # [ 86.[ 89.318539] refcount_t: addition on 0; use-after-free. 813612] softirqs last enabled at (0): [] copy[ 89.330604] WARNING: CPU: 0 PID: 2335 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 [ 89.346248] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 89.362246] CPU: 0 PID: 2335 Comm: cat Tainted: G D W 5.10.163-cip24 #1 [ 89.370922] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 89.377563] RIP: 0010:refcount_warn_saturate+0x74/0x110 [ 89.383426] Code: 01 01 e8 96 87 98 00 0f 0b c3 cc cc cc cc 80 3d da 02 94 01 00 75 cb 48 c7 c7 d0 7c 25 b3 c6 05 ca 02 94 01 01 e8 73 87 98 00 <0f> 0b c3 cc cc cc cc 80 3d b9 02 94 01 00 75 a8 48 c7 c7 a8 7c 25 [ 89.404435] RSP: 0018:ffff92d842a4fe48 EFLAGS: 00010286 [ 89.410299] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 [ 89.418295] RDX: ffff8b437bc2c660 RSI: ffff8b437bc1bf70 RDI: ffff8b437bc1bf70 [ 89.426289] RBP: ffffffffb32bc509 R08: 0000000000000000 R09: 0000000000000000 [ 89.434286] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 89.442280] R13: ffff92d842a4ff10 R14: ffff92d842a4ff10 R15: ffff8b43027dc000 [ 89.450276] FS: 00007fac1c00e580(0000) GS:ffff8b437bc00000(0000) knlGS:0000000000000000 [ 89.459339] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 89.465786] CR2: 00007fac1be17000 CR3: 0000000105f66000 CR4: 00000000003506f0 [ 89.473785] Call Trace: [ 89.476549] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 [ 89.481547] direct_entry.cold+0x2c/0x38 [ 89.485958] full_proxy_write+0x56/0x80 [ 89.490263] vfs_write+0xea/0x3a0 [ 89.493992] ksys_write+0x68/0xf0 [ 89.497725] do_syscall_64+0x33/0x40 [ 89.501749] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 89.507421] RIP: 0033:0x7fac1bf24833 [ 89.511439] 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 [ 89.532446] RSP: 002b:00007ffd11f7b2e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 _process+0x664/0x1cb0 # [ 86.828978] softirqs last disabled a[ 89.540932] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fac1bf24833 [ 89.555129] RDX: 0000000000000012 RSI: 00007fac1be17000 RDI: 0000000000000001 t (0): [<0000000000000000>] 0x0 # [ 86.842185] ---[ end trace[ 89.563122] RBP: 00007fac1be17000 R08: 00007fac1be16010 R09: 0000000000000000 [ 89.577312] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 89.585302] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 89.593313] irq event stamp: 0 [ 89.596751] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 89.603787] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 89.612948] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 89.622113] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 89.629128] ---[ end trace 1d3a9950dc1d740b ]--- [ 89.634305] lkdtm: Zero detected: saturated 1d3a9950dc1d7407 ]--- # [ 86.853590] 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 # [ 87.167926] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 87.175509] lkdtm: attempting bad refcount_dec() below zero # [ 87.181778] ------------[ cut here ]------------ # [ 87.186965] refcount_t: decrement hit 0; leaking memory. # [ 87.199163] WARNING: CPU: 1 PID: 2233 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 87.214797] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 87.230811] CPU: 1 PID: 2233 Comm: cat Tainted: G D W 5.10.163-cip24 #1 # [ 87.239500] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 87.246180] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 87.258214] Code: 58 7d 25 b3 c6 05 5a 02 94 01 01 e8 06 87 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 28 7d 25 b3 c6 05 41 02 94 01 01 e8 ec 86 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 87.285426] RSP: 0018:ffff92d8428d7e48 EFLAGS: 00010286 # [ 87.291294] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 87.299291] RDX: ffff8b437bcac660 RSI: ffff8b437bc9bf70 RDI: ffff8b437bc9bf70 # [ 87.307285] RBP: ffffffffb32bc4f3 R08: 0000000000000000 R09: 0000000000000000 # [ 87.315284] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 87.323281] R13: ffff92d8428d7f10 R14: ffff92d8428d7f10 R15: ffff8b4304020000 # [ 87.331282] FS: 00007fe6c824f580(0000) GS:ffff8b437bc80000(0000) knlGS:0000000000000000 # [ 87.340350] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 87.346795] CR2: 00007fe6c8058000 CR3: 0000000104b96000 CR4: 00000000003506e0 # [ 87.354792] Call Trace: # [ 87.357560] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 87.369161] direct_entry.cold+0x2c/0x38 # [ 87.373577] full_proxy_write+0x56/0x80 # [ 87.384068] vfs_write+0xea/0x3a0 # [ 87.387803] ksys_write+0x68/0xf0 # [ 87.397715] do_syscall_64+0x33/0x40 # [ 87.401740] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 87.413590] RIP: 0033:0x7fe6c8165833 # [ 87.417612] 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 # [ 87.438623] RSP: 002b:00007fff170d5788 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 87.447106] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fe6c8165833 # [ 87.455102] RDX: 0000000000000016 RSI: 00007fe6c8058000 RDI: 0000000000000001 # [ 87.463102] RBP: 00007fe6c8058000 R08: 00007fe6c8057010 R09: 0000000000000000 # [ 87.471098] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 87.479095] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 87.487102] irq event stamp: 0 # [ 87.496720] hardirqs last enabled at (0): [<0000000000000000[ 89.943451] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO >] 0x0 # [ 87.509957] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 87.525316] softirq[ 89.967527] lkdtm: Correctly stayed at zero s last enabled at (0): [] copy_process+0x664/[ 89.978419] lkdtm: attempting bad refcount_add() from zero [ 89.990782] ------------[ cut here ]------------ [ 89.995963] refcount_t: addition on 0; use-after-free. [ 90.001779] WARNING: CPU: 0 PID: 2367 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 [ 90.011245] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 90.027290] CPU: 0 PID: 2367 Comm: cat Tainted: G D W 5.10.163-cip24 #1 [ 90.035996] Hardware name: Google Coral/Coral, BIOS 09/29/2020 0x1cb0 # [ 87.540688] softirqs last disabled at (0): [<000000[ 90.042637] RIP: 0010:refcount_warn_saturate+0x74/0x110 [ 90.054682] Code: 01 01 e8 96 87 98 00 0f 0b c3 cc cc cc cc 80 3d da 02 94 01 00 75 cb 48 c7 c7 d0 7c 25 b3 c6 05 ca 02 94 01 01 e8 73 87 98 00 <0f> 0b c3 cc cc cc cc 80 3d b9 02 94 01 00 75 a8 48 c7 c7 a8 7c 25 [ 90.075693] RSP: 0018:ffff92d842a97e48 EFLAGS: 00010286 [ 90.081557] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 [ 90.089555] RDX: ffff8b437bc2c660 RSI: ffff8b437bc1bf70 RDI: ffff8b437bc1bf70 [ 90.097553] RBP: ffffffffb32bc51b R08: 0000000000000000 R09: 0000000000000000 [ 90.105549] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 90.113544] R13: ffff92d842a97f10 R14: ffff92d842a97f10 R15: ffff8b4303c72000 [ 90.121538] FS: 00007fe395030580(0000) GS:ffff8b437bc00000(0000) knlGS:0000000000000000 [ 90.130601] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 90.137043] CR2: 00007fe394e39000 CR3: 0000000105d7a000 CR4: 00000000003506f0 [ 90.145036] Call Trace: [ 90.147799] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 [ 90.152793] direct_entry.cold+0x2c/0x38 [ 90.157203] full_proxy_write+0x56/0x80 [ 90.161517] vfs_write+0xea/0x3a0 [ 90.165249] ksys_write+0x68/0xf0 [ 90.168979] do_syscall_64+0x33/0x40 [ 90.173000] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 90.178672] RIP: 0033:0x7fe394f46833 [ 90.182689] 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 [ 90.203697] RSP: 002b:00007ffc7dc237f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 90.212179] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fe394f46833 [ 90.220171] RDX: 0000000000000012 RSI: 00007fe394e39000 RDI: 0000000000000001 [ 90.228166] RBP: 00007fe394e39000 R08: 00007fe394e38010 R09: 0000000000000000 [ 90.236159] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 0000000000>] 0x0 # [ 87.553916] ---[ end trace 1d3a9950dc1d74[ 90.244159] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 08 ]--- # [ 87.562778] lkdtm: Negative detected: saturated #[ 90.258360] irq event stamp: 0 REFCOUNT_DEC_NEGATIVE: saw 'Negative detected: saturated': ok [ 90.267979] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 90.281207] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 90.290369] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 90.299522] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 90.306546] ---[ end trace 1d3a9950dc1d740c ]--- [ 90.311724] lkdtm: Zero detected: saturated ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # [ 87.879677] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 87.887979] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 87.901337] ------------[ cut here ]------------ # [ 87.906521] refcount_t: underflow; use-after-free. # [ 87.918152] WARNING: CPU: 0 PID: 2268 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 87.933819] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 87.949815] CPU: 0 PID: 2268 Comm: cat Tainted: G D W 5.10.163-cip24 #1 # [ 87.958536] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 87.965210] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 87.971075] Code: 01 01 e8 50 87 98 00 0f 0b c3 cc cc cc cc 80 3d 93 02 94 01 00 75 85 48 c7 c7 00 7d 25 b3 c6 05 83 02 94 01 01 e8 2d 87 98 00 <0f> 0b c3 cc cc cc cc 80 3d 6e 02 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 87.992084] RSP: 0018:ffff92d842967e40 EFLAGS: 00010286 # [ 87.997944] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 88.005940] RDX: ffff8b437bc2c660 RSI: ffff8b437bc1bf70 RDI: ffff8b437bc1bf70 # [ 88.013926] RBP: ffffffffb32bc148 R08: 0000000000000000 R09: 0000000000000000 # [ 88.021920] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 88.029916] R13: ffff92d842967f10 R14: ffff92d842967f10 R15: ffff8b430271c000 # [ 88.037909] FS: 00007f00e4378580(0000) GS:ffff8b437bc00000(0000) knlGS:0000000000000000 # [ 88.053187] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 88.059627] CR2: 00007f00e4181000 CR3: 0000000105222000 CR4: 00000000003506f0 # [ 88.067621] Call Trace: # [ 88.070383] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 88.076544] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 88.082801] direct_entry.cold+0x2c/0x38 # [ 88.087214] full_proxy_write+0x56/0x80 # [ 88.091529] vfs_write+0xea/0x3a0 # [ 88.095260] ksys_write+0x68/0xf0 # [ 88.098990] do_syscall_64+0x33/0x40 # [ 88.109221] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 88.114892] RIP: 0033:0x7f00e428e833 # [ 88.125105] 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 # [ 88.146113] RSP: 002b:00007ffdacf43628 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 88.154596] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f00e428e833 # [ 88.162592] RDX: 000000000000001f RSI: 00007f00e4181000 RDI: 0000000000000001 # [ 88.170584] RBP: 00007f00e4181000 R08: 00007f00e4180010 R09: 0000000000000000 # [ 88.178585] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 88.192780] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 88.200789] irq event stamp: 0 # [ 88.210409] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 88.217445] hardirqs last disabled at (0): [] copy_p[ 90.625343] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED rocess+0x664/0x1cb0 # [ 88.226621] softirqs last enabled at [ 90.634110] lkdtm: attempting bad refcount_inc() from saturated (0): [] copy_process+0x664/0x1cb0 # [ 88.23[ 90.646961] ------------[ cut here ]------------ 5784] softirqs last disabled at (0): [<0000000000000000>] 0x0 #[ 90.658389] refcount_t: saturated; leaking memory. [ 88.242808] ---[ end trace 1d3a9950dc1d7409 ]--- # [ 88.2[ 90.670293] WARNING: CPU: 3 PID: 2402 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 47990] lkdtm: Negative detected: saturated # REFCOUNT_DEC_AND_T[ 90.685632] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify EST_NEGATIVE: saw 'Negative detected: saturated': ok ok 48 self[ 90.708013] CPU: 3 PID: 2402 Comm: cat Tainted: G D W 5.10.163-cip24 #1 tests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # selftests: lk[ 90.722921] Hardware name: Google Coral/Coral, BIOS 09/29/2020 dtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh # [ 88.558533] lkdtm: [ 90.735687] RIP: 0010:refcount_warn_saturate+0x51/0x110 Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 88[ 90.747712] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d fe 02 94 01 00 75 ee 48 c7 c7 a8 7c 25 b3 c6 05 ee 02 94 01 01 e8 96 87 98 00 <0f> 0b c3 cc cc cc cc 80 3d da 02 94 01 00 75 cb 48 c7 c7 d0 7c 25 .571631] lkdtm: attempting bad refcount_sub_and_test() below zer[ 90.774857] RSP: 0018:ffff92d842b57e48 EFLAGS: 00010286 o # [ 88.578784] ------------[ cut here ]------------ # [ [ 90.786954] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 88.583962] refcount_t: underflow; use-after-free. # [ 88.5893[ 90.801129] RDX: ffff8b437bdac660 RSI: ffff8b437bd9bf70 RDI: ffff8b437bd9bf70 97] WARNING: CPU: 1 PID: 2303 at lib/refcount.c:28 refcount_warn[ 90.815337] RBP: ffffffffb32bc52d R08: 0000000000000000 R09: 0000000000000000 _saturate+0xba/0x110 # [ 88.605018] Modules linked in: fuse i[ 90.829554] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 p_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_[ 90.843795] R13: ffff92d842b57f10 R14: ffff92d842b57f10 R15: ffff8b4303282000 chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ [ 90.857962] FS: 00007f94e0d0e580(0000) GS:ffff8b437bd80000(0000) knlGS:0000000000000000 88.627238] CPU: 1 PID: 2303 Comm: cat Tainted: G D W [ 90.873264] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 5.10.163-cip24 #1 # [ 88.642134] Hardware name: Google Co[ 90.885878] CR2: 00007f94e0b17000 CR3: 0000000105086000 CR4: 00000000003506e0 ral/Coral, BIOS 09/29/2020 # [ 88.648781] RIP: 0010:refcount[ 90.900109] Call Trace: _warn_saturate+0xba/0x110 # [ 88.654647] Code: 01 01 e8 50 87[ 90.909053] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 98 00 0f 0b c3 cc cc cc cc 80 3d 93 02 94 01 00 75 85 48 c7 c7 [ 90.920751] direct_entry.cold+0x2c/0x38 00 7d 25 b3 c6 05 83 02 94 01 01 e8 2d 87 98 00 <0f> 0b c3 cc cc[ 90.931293] full_proxy_write+0x56/0x80 cc cc 80 3d 6e 02 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 88.67[ 90.941785] vfs_write+0xea/0x3a0 5663] RSP: 0018:ffff92d8429efe40 EFLAGS: 00010286 # [ 88.6815[ 90.951788] ksys_write+0x68/0xf0 26] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 00000000000[ 90.961682] do_syscall_64+0x33/0x40 00000 # [ 88.689523] RDX: ffff8b437bcac660 RSI: ffff8b437bc9b[ 90.972017] entry_SYSCALL_64_after_hwframe+0x61/0xc6 f70 RDI: ffff8b437bc9bf70 # [ 88.697524] RBP: ffffffffb32bc16[ 90.983813] RIP: 0033:0x7f94e0c24833 8 R08: 0000000000000000 R09: 0000000000000000 # [ 88.705518] [ 90.994049] 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 R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001[ 91.021227] RSP: 002b:00007ffdbd0f0478 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 f # [ 88.713513] R13: ffff92d8429eff10 R14: ffff92d8429eff10 [ 91.035969] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f94e0c24833 R15: ffff8b4304047000 # [ 88.721510] FS: 00007f48d20c9580(00[ 91.050116] RDX: 0000000000000017 RSI: 00007f94e0b17000 RDI: 0000000000000001 00) GS:ffff8b437bc80000(0000) knlGS:0000000000000000 # [ 88.7[ 91.064351] RBP: 00007f94e0b17000 R08: 00007f94e0b16010 R09: 0000000000000000 30574] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ [ 91.078540] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 88.737022] CR2: 00007f48d1ed2000 CR3: 000000010123a000 CR4: 0000[ 91.092758] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0000003506e0 # [ 88.745017] Call Trace: # [ 88.747789] __[ 91.106957] irq event stamp: 0 refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 88.753948] l[ 91.116616] hardirqs last enabled at (0): [<0000000000000000>] 0x0 kdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b # [ 88.760213] [ 91.129838] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 direct_entry.cold+0x2c/0x38 # [ 88.770846] full_proxy_write[ 91.145213] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 +0x56/0x80 # [ 88.781365] vfs_write+0xea/0x3a0 # [ 88.785[ 91.160552] softirqs last disabled at (0): [<0000000000000000>] 0x0 098] ksys_write+0x68/0xf0 # [ 88.795009] do_syscall_64+0x33[ 91.173831] ---[ end trace 1d3a9950dc1d740d ]--- /0x40 # [ 88.799033] entry_SYSCALL_64_after_hwframe+0x61/0xc[ 91.185159] lkdtm: Saturation detected: still saturated 6 # [ 88.804701] RIP: 0033:0x7f48d1fdf833 # [ 88.808720] 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 # [ 88.835921] RSP: 002b:00007ffeab486488 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 88.850626] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f48d1fdf833 # [ 88.858616] RDX: 000000000000001f RSI: 00007f48d1ed2000 RDI: 0000000000000001 # [ 88.872818] RBP: 00007f48d1ed2000 R08: 00007f48d1ed1010 R09: 0000000000000000 # [ 88.880813] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 88.888805] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 88.896813] irq event stamp: 0 # [ 88.900253] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 88.907281] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 88.916483] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 88.931860] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 88.945082] ---[ end trace 1d3a9950dc1d740a ]--- # [ 88.950259] 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 # [ 89.275513] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 89.284953] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 89.298258] lkdtm: Good: zero detected # [ 89.302464] lkdtm: Correctly stayed at zero # [ 89.307156] lkdtm: attempting bad refcount_inc() from zero # [ 89.313305] ------------[ cut here ]------------ # [ 89.318539] refcount_t: addition on 0; use-after-free. # [ 89.330604] WARNING: CPU: 0 PID: 2335 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 89.346248] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 89.362246] CPU: 0 PID: 2335 Comm: cat Tainted: G D W 5.10.163-cip24 #1 # [ 89.370922] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 89.377563] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 89.383426] Code: 01 01 e8 96 87 98 00 0f 0b c3 cc cc cc cc 80 3d da 02 94 01 00 75 cb 48 c7 c7 d0 7c 25 b3 c6 05 ca 02 94 01 01 e8 73 87 98 00 <0f> 0b c3 cc cc cc cc 80 3d b9 02 94 01 00 75 a8 48 c7 c7 a8 7c 25 # [ 89.404435] RSP: 0018:ffff92d842a4fe48 EFLAGS: 00010286 # [ 89.410299] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 89.418295] RDX: ffff8b437bc2c660 RSI: ffff8b437bc1bf70 RDI: ffff8b437bc1bf70 # [ 89.426289] RBP: ffffffffb32bc509 R08: 0000000000000000 R09: 0000000000000000 # [ 89.434286] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 89.442280] R13: ffff92d842a4ff10 R14: ffff92d842a4ff10 R15: ffff8b43027dc000 # [ 89.450276] FS: 00007fac1c00e580(0000) GS:ffff8b437bc00000(0000) knlGS:0000000000000000 # [ 89.459339] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 89.465786] CR2: 00007fac1be17000 CR3: 0000000105f66000 CR4: 00000000003506f0 # [ 89.473785] Call Trace: # [ 89.476549] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 89.481547] direct_entry.cold+0x2c/0x38 # [ 89.485958] full_proxy_write+0x56/0x80 # [ 89.490263] vfs_write+0xea/0x3a0 # [ 89.493992] ksys_write+0x68/0xf0 # [ 89.497725] do_syscall_64+0x33/0x40[ 91.540667] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED [ 91.552010] lkdtm: attempting bad refcount_dec() from saturated [ 91.558654] ------------[ cut here ]------------ [ 91.563833] refcount_t: decrement hit 0; leaking memory. [ 91.569837] WARNING: CPU: 2 PID: 2437 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 [ 91.579294] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 91.595293] CPU: 2 PID: 2437 Comm: cat Tainted: G D W 5.10.163-cip24 #1 [ 91.603967] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 91.610606] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 91.616470] Code: 58 7d 25 b3 c6 05 5a 02 94 01 01 e8 06 87 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 28 7d 25 b3 c6 05 41 02 94 01 01 e8 ec 86 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 91.637480] RSP: 0018:ffff92d842bd7e48 EFLAGS: 00010286 [ 91.643341] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 [ 91.651333] RDX: ffff8b437bd2c660 RSI: ffff8b437bd1bf70 RDI: ffff8b437bd1bf70 [ 91.659326] RBP: ffffffffb32bc544 R08: 0000000000000000 R09: 0000000000000000 [ 91.667326] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 91.675320] R13: ffff92d842bd7f10 R14: ffff92d842bd7f10 R15: ffff8b4302b86000 [ 91.683315] FS: 00007fa298090580(0000) GS:ffff8b437bd00000(0000) knlGS:0000000000000000 [ 91.692380] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 91.698820] CR2: 00007fa297e99000 CR3: 0000000105086000 CR4: 00000000003506e0 [ 91.706816] Call Trace: [ 91.709579] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f [ 91.715058] direct_entry.cold+0x2c/0x38 [ 91.719467] full_proxy_write+0x56/0x80 [ 91.723787] vfs_write+0xea/0x3a0 [ 91.727519] ksys_write+0x68/0xf0 [ 91.731250] do_syscall_64+0x33/0x40 [ 91.735273] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 91.740945] RIP: 0033:0x7fa297fa6833 [ 91.744962] 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 [ 91.765970] RSP: 002b:00007ffdc08edc18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 91.774458] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fa297fa6833 [ 91.782452] RDX: 0000000000000017 RSI: 00007fa297e99000 RDI: 0000000000000001 [ 91.790446] RBP: 00007fa297e99000 R08: 00007fa297e98010 R09: 0000000000000000 [ 91.798449] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 91.806446] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 91.814451] irq event stamp: 0 # [ 89.501749] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 91.817871] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 89.507421] RIP: 0033:0x7fac1bf24833 # [ 89.511439] Code: [ 91.831102] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 91.846455] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 91.855620] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 91.862646] ---[ end trace 1d3a9950dc1d740e ]--- [ 91.867825] lkdtm: Saturation detected: still saturated 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 # [ 89.532446] RSP: 002b:00007ffd11f7b2e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 89.540932] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fac1bf24833 # [ 89.555129] RDX: 0000000000000012 RSI: 00007fac1be17000 RDI: 0000000000000001 # [ 89.563122] RBP: 00007fac1be17000 R08: 00007fac1be16010 R09: 0000000000000000 # [ 89.577312] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 89.585302] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 89.593313] irq event stamp: 0 # [ 89.596751] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 89.603787] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 89.612948] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 89.622113] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 89.629128] ---[ end trace 1d3a9950dc1d740b ]--- # [ 89.634305] 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 # [ 89.943451] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 89.949978] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 89.963316] lkdtm: Good: zero detected # [ 89.967527] lkdtm: Correctly stayed at zero # [ 89.978419] lkdtm: attempting bad refcount_add() from zero # [ 89.990782] ------------[ cut here ]------------ # [ 89.995963] refcount_t: addition on 0; use-after-free. # [ 90.001779] WARNING: CPU: 0 PID: 2367 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 90.011245] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 90.027290] CPU: 0 PID: 2367 Comm: cat Tainted: G D W 5.10.163-cip24 #1 # [ 90.035996] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 90.042637] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 90.054682] Code: 01 01 e8 96 87 98 00 0f 0b c3 cc cc cc cc 80 3d da 02 94 01 00 75 cb 48 c7 c7 d0 7c 25 b3 c6 05 ca 02 94 01 01 e8 73 87 98 00 <0f> 0b c3 cc cc cc cc 80 3d b9 02 94 01 00 75 a8 48 c7 c7 a8 7c 25 # [ 90.075693] RSP: 0018:ffff92d842a97e48 EFLAGS: 00010286 # [ 90.081557] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 90.089555] RDX: ffff8b437bc2c660 RSI: ffff8b437bc1bf70 RDI: ffff8b437bc1bf70 # [ 90.097553] RBP: ffffffffb32bc51b R08: 0000000000000000 R09: 0000000000000000 # [ 90.105549] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 90.113544] R13: ffff92d842a97f10 R14: ffff92d842a97f10 R15: ffff8b4303c72000 # [ 90.121538] FS: 00007fe395030580(0000) GS:ffff8b437bc00000(0000) knlGS:0000000000000000 # [ 90.130601] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 90.137043] CR2: 00007fe394e39000 CR3: 0000000105d7a000 CR4: 00000000003506f0 # [ 90.145036] Call Trace: # [ 90.147799] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 90.152793] direct_entry.cold+0x2c/0x38 # [ 90.157203] full_prox[ 92.190805] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED [ 92.203787] lkdtm: attempting bad refcount_dec() from saturated [ 92.210432] ------------[ cut here ]------------ y_write+0x56/0x80 # [ 90.161517] vfs_write+0xea/0x3a0 # [ [ 92.215626] refcount_t: saturated; leaking memory. 90.165249] ksys_write+0x68/0xf0 # [ 90.168979] do_syscall_[ 92.227249] WARNING: CPU: 1 PID: 2472 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 64+0x33/0x40 # [ 90.173000] entry_SYSCALL_64_after_hwframe+0[ 92.242878] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 92.265058] CPU: 1 PID: 2472 Comm: cat Tainted: G D W 5.10.163-cip24 #1 [ 92.273737] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 92.280377] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 92.286239] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d fe 02 94 01 00 75 ee 48 c7 c7 a8 7c 25 b3 c6 05 ee 02 94 01 01 e8 96 87 98 00 <0f> 0b c3 cc cc cc cc 80 3d da 02 94 01 00 75 cb 48 c7 c7 d0 7c 25 [ 92.307254] RSP: 0018:ffff92d842c77e48 EFLAGS: 00010286 x61/0xc6 # [ 90.178672] RIP: 0033:0x7fe394f46833 # [ 90.18[ 92.313117] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 [ 92.327310] RDX: ffff8b437bcac660 RSI: ffff8b437bc9bf70 RDI: ffff8b437bc9bf70 [ 92.335305] RBP: ffffffffb32bc55b R08: 0000000000000000 R09: 0000000000000000 [ 92.343299] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 92.351294] R13: ffff92d842c77f10 R14: ffff92d842c77f10 R15: ffff8b43064f6000 [ 92.359290] FS: 00007f8efd8be580(0000) GS:ffff8b437bc80000(0000) knlGS:0000000000000000 [ 92.368344] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 92.374783] CR2: 00007f8efd6c7000 CR3: 00000001050ec000 CR4: 00000000003506e0 [ 92.382781] Call Trace: [ 92.385543] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 2689] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff f[ 92.391020] direct_entry.cold+0x2c/0x38 [ 92.401617] full_proxy_write+0x56/0x80 [ 92.405929] vfs_write+0xea/0x3a0 [ 92.409657] ksys_write+0x68/0xf0 [ 92.413393] do_syscall_64+0x33/0x40 f eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00[ 92.417414] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 92.429266] RIP: 0033:0x7f8efd7d4833 [ 92.433282] 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 [ 92.454299] RSP: 002b:00007ffd86ca20c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 4[ 92.462784] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f8efd7d4833 [ 92.476968] RDX: 0000000000000017 RSI: 00007f8efd6c7000 RDI: 0000000000000001 8 89 54 24 18 # [ 90.203697] RSP: 002b:00007ffc7dc237f8 EFLAG[ 92.484970] RBP: 00007f8efd6c7000 R08: 00007f8efd6c6010 R09: 0000000000000000 [ 92.499158] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 S: 00000246 ORIG_RAX: 0000000000000001 # [ 90.212179] RAX: ff[ 92.507147] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ffffffffffffda RBX: 0000000000000012 RCX: 00007fe394f46833 # [ [ 92.521373] irq event stamp: 0 [ 92.531014] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 92.538045] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 92.547213] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 90.220171] RDX: 0000000000000012 RSI: 00007fe394e39000 RDI: 00[ 92.556411] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 92.569652] ---[ end trace 1d3a9950dc1d740f ]--- [ 92.574834] lkdtm: Saturation detected: still saturated 00000000000001 # [ 90.228166] RBP: 00007fe394e39000 R08: 00007fe394e38010 R09: 0000000000000000 # [ 90.236159] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 90.244159] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 90.258360] irq event stamp: 0 # [ 90.267979] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 90.281207] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 90.290369] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 90.299522] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 90.306546] ---[ end trace 1d3a9950dc1d740c ]--- # [ 90.311724] 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 # [ 90.625343] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 90.634110] lkdtm: attempting bad refcount_inc() from saturated # [ 90.646961] ------------[ cut here ]------------ # [ 90.658389] refcount_t: saturated; leaking memory. # [ 90.670293] WARNING: CPU: 3 PID: 2402 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 90.685632] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 90.708013] CPU: 3 PID: 2402 Comm: cat Tainted: G D W 5.10.163-cip24 #1 # [ 90.722921] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 90.735687] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 90.747712] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d fe 02 94 01 00 75 ee 48 c7 c7 a8 7c 25 b3 c6 05 ee 02 94 01 01 e8 96 87 98 00 <0f> 0b c3 cc cc cc cc 80 3d da 02 94 01 00 75 cb 48 c7 c7 d0 7c 25 # [ 90.774857] RSP: 0018:ffff92d842b57e48 EFLAGS: 00010286 # [ 90.786954] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 90.801129] RDX: ffff8b437bdac660 RSI: ffff8b437bd9bf70 RDI: ffff8b437bd9bf70 # [ 90.815337] RBP: ffffffffb32bc52d R08: 0000000000000000 R09: 0000000000000000 # [ 90.829554] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 90.843795] R13: ffff92d842b57f10 R14: ffff92d842b57f10 R15: ffff8b4303282000 # [ 90.857962] FS: 00007f94e0d0e580(0000) GS:ffff8b437bd80000(0000) knlGS:0000000000000000 # [ 90.873264] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 90.885878] CR2: 00007f94e0b17000 CR3: 0000000105086000 CR4: 00000000003506e0 # [ 90.900109] Call Trace: # [ 90.909053] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 90.920751] direct_entry.cold+0x2c/0x38 # [ 90.931293] full_proxy_write+0x56/0x80 # [ 90.941785] vfs_write+0xea/0x3a0 # [ 90.951788] ksys_write+0x68/0xf0 # [ 90.961682] do_syscall_64+0x33/0x40 # [ 90.972017] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 90.983813] RIP: 0033:0x7f94e0c24833 # [ 90.994049] 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 # [ 91.021227] RSP: 002b:00007ffdbd0f0478 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 91.035969] RAX: ffffffffffffffda[ 92.901908] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED [ 92.911634] lkdtm: attempting bad refcount_inc_not_zero() from saturated [ 92.919175] ------------[ cut here ]------------ [ 92.924356] refcount_t: saturated; leaking memory. [ 92.929771] WARNING: CPU: 0 PID: 2504 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 [ 92.939226] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 92.955234] CPU: 0 PID: 2504 Comm: cat Tainted: G D W 5.10.163-cip24 #1 RBX: 0000000000000017 RCX: 00007f94e0c24833 # [ 91.050116] R[ 92.963910] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 92.976763] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 92.982629] Code: 01 01 e8 73 87 98 00 0f 0b c3 cc cc cc cc 80 3d b9 02 94 01 00 75 a8 48 c7 c7 a8 7c 25 b3 c6 05 a9 02 94 01 01 e8 50 87 98 00 <0f> 0b c3 cc cc cc cc 80 3d 93 02 94 01 00 75 85 48 c7 c7 00 7d 25 [ 93.003641] RSP: 0018:ffff92d842d07e38 EFLAGS: 00010282 [ 93.009502] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 93.017497] RDX: ffff8b437bc2c660 RSI: ffff8b437bc1bf70 RDI: ffff8b437bc1bf70 [ 93.025498] RBP: ffffffffb32bc188 R08: 0000000000000000 R09: 0000000000000000 [ 93.033502] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 93.041497] R13: ffff92d842d07f10 R14: ffff92d842d07f10 R15: ffff8b4305154000 [ 93.049492] FS: 00007f8d40203580(0000) GS:ffff8b437bc00000(0000) knlGS:0000000000000000 [ 93.058555] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 93.064996] CR2: 00007f8d4000c000 CR3: 0000000105c4e000 CR4: 00000000003506f0 [ 93.072989] Call Trace: [ 93.075752] __refcount_add_not_zero.constprop.0+0x2a/0x35 DX: 0000000000000017 RSI: 00007f94e0b17000 RDI: 0000000000000001[ 93.081912] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 [ 93.094473] direct_entry.cold+0x2c/0x38 # [ 91.064351] RBP: 00007f94e0b17000 R08: 00007f94e0b16010 R[ 93.098882] full_proxy_write+0x56/0x80 [ 93.109401] vfs_write+0xea/0x3a0 [ 93.113130] ksys_write+0x68/0xf0 [ 93.116867] do_syscall_64+0x33/0x40 09: 0000000000000000 # [ 91.078540] R10: fffffffffffffbc5 R11[ 93.120888] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 93.132744] RIP: 0033:0x7f8d40119833 [ 93.136758] 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 [ 93.157775] RSP: 002b:00007fffeff8a178 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 93.166260] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f8d40119833 [ 93.174259] RDX: 0000000000000020 RSI: 00007f8d4000c000 RDI: 0000000000000001 : 0000000000000246 R12: 0000000000000001 # [ 91.092758] R13: [ 93.182258] RBP: 00007f8d4000c000 R08: 00007f8d4000b010 R09: 0000000000000000 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 93.196449] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 93.210661] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 93.218676] irq event stamp: 0 [ 93.222113] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 93.229144] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 93.238306] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 93.247468] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 93.254534] ---[ end trace 1d3a9950dc1d7410 ]--- [ 93.259740] lkdtm: Saturation detected: still saturated [ 91.106957] irq event stamp: 0 # [ 91.116616] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 91.129838] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 91.145213] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 91.160552] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 91.173831] ---[ end trace 1d3a9950dc1d740d ]--- # [ 91.185159] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_SATURATED: saw 'Saturation detected: still saturated': ok ok 52 selftests: lkdtm: REFCOUNT_INC_SATURATED.sh # selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh # [ 91.540667] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 91.552010] lkdtm: attempting bad refcount_dec() from saturated # [ 91.558654] ------------[ cut here ]------------ # [ 91.563833] refcount_t: decrement hit 0; leaking memory. # [ 91.569837] WARNING: CPU: 2 PID: 2437 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 91.579294] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 91.595293] CPU: 2 PID: 2437 Comm: cat Tainted: G D W 5.10.163-cip24 #1 # [ 91.603967] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 91.610606] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 91.616470] Code: 58 7d 25 b3 c6 05 5a 02 94 01 01 e8 06 87 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 28 7d 25 b3 c6 05 41 02 94 01 01 e8 ec 86 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 91.637480] RSP: 0018:ffff92d842bd7e48 EFLAGS: 00010286 # [ 91.643341] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 91.651333] RDX: ffff8b437bd2c660 RSI: ffff8b437bd1bf70 RDI: ffff8b437bd1bf70 # [ 91.659326] RBP: ffffffffb32bc544 R08: 0000000000000000 R09: 0000000000000000 # [ 91.667326] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 91.675320] R13: ffff92d842bd7f10 R14: ffff92d842bd7f10 R15: ffff8b4302b86000 # [ 91.683315] FS: 00007fa298090580(0000) GS:ffff8b437bd00000(0000) knlGS:0000000000000000 # [ 91.692380] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 91.698820] CR2: 00007fa297e99000 CR3: 0000000105086000 CR4: 00000000003506e0 # [ 91.706816] Call Trace: # [ 91.709579] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 91.715058] direct_entry.cold+0x2c/0x38 # [ 91.719467] full_proxy_write+0x56/0x80 # [ 91.723787] vfs_write+0xea/0x3a0 # [ 91.727519] ksys_write+0x68/0xf0 # [ 91.731250] do_syscall_64+0x33/0x40 # [ 91.735273] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 91.740945] RIP: 0033:0x7fa297fa6833 # [ 91.744962] 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 # [ 91.765970] RSP: 002b:00007ffdc08edc18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 91.774458] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fa297fa6833 # [ 91.782452] RDX: 0000000000000017 RSI: 00007fa297e99000 RDI: 0000000000000001 # [ 91.790446] RBP: 0[ 93.579494] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED [ 93.590436] lkdtm: attempting bad refcount_add_not_zero() from saturated [ 93.597966] ------------[ cut here ]------------ [ 93.603149] refcount_t: saturated; leaking memory. [ 93.608571] WARNING: CPU: 0 PID: 2536 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 0007fa297e99000 R08: 00007fa297e98010 R09: 0000000000000000 # [[ 93.618025] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 93.640236] CPU: 0 PID: 2536 Comm: cat Tainted: G D W 5.10.163-cip24 #1 [ 93.648910] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 93.655551] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 93.661414] Code: 01 01 e8 73 87 98 00 0f 0b c3 cc cc cc cc 80 3d b9 02 94 01 00 75 a8 48 c7 c7 a8 7c 25 b3 c6 05 a9 02 94 01 01 e8 50 87 98 00 <0f> 0b c3 cc cc cc cc 80 3d 93 02 94 01 00 75 85 48 c7 c7 00 7d 25 [ 93.682425] RSP: 0018:ffff92d842cbfe38 EFLAGS: 00010282 [ 93.688288] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 93.696284] RDX: ffff8b437bc2c660 RSI: ffff8b437bc1bf70 RDI: ffff8b437bc1bf70 [ 93.704278] RBP: ffffffffb32bc1a8 R08: 0000000000000000 R09: 0000000000000000 [ 93.712276] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 93.720270] R13: ffff92d842cbff10 R14: ffff92d842cbff10 R15: ffff8b430513a000 [ 93.728264] FS: 00007f454fc16580(0000) GS:ffff8b437bc00000(0000) knlGS:0000000000000000 [ 93.737329] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 93.743777] CR2: 00007f454fa1f000 CR3: 000000010501c000 CR4: 00000000003506f0 [ 93.751775] Call Trace: [ 93.754541] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 93.760702] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 [ 93.767052] direct_entry.cold+0x2c/0x38 [ 93.771462] full_proxy_write+0x56/0x80 [ 93.775784] vfs_write+0xea/0x3a0 [ 93.779515] ksys_write+0x68/0xf0 [ 93.783246] do_syscall_64+0x33/0x40 [ 93.787269] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 93.792940] RIP: 0033:0x7f454fb2c833 [ 93.796958] 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 [ 93.817964] RSP: 002b:00007fffd0b22778 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 93.826449] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f454fb2c833 [ 93.834450] RDX: 0000000000000020 RSI: 00007f454fa1f000 RDI: 0000000000000001 [ 93.842445] RBP: 00007f454fa1f000 R08: 00007f454fa1e010 R09: 0000000000000000 [ 93.850440] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 91.798449] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0[ 93.858429] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000000000000001 # [ 91.806446] R13: 0000000000000001 R14: 000[ 93.872641] irq event stamp: 0 0000000020000 R15: 0000000000020000 # [ 91.814451] irq event [ 93.882262] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 93.895497] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 93.904659] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 93.913811] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 93.920838] ---[ end trace 1d3a9950dc1d7411 ]--- stamp: 0 # [ 91.817871] hardirqs last enabled at (0): [<0000[ 93.926070] lkdtm: Saturation detected: still saturated 000000000000>] 0x0 # [ 91.831102] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 91.846455] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 91.855620] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 91.862646] ---[ end trace 1d3a9950dc1d740e ]--- # [ 91.867825] lkdtm: Saturation detected: still saturated # REFCOUNT_DEC_SATURATED: saw 'Saturation detected: still saturated': ok ok 53 selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh # selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh # [ 92.190805] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 92.203787] lkdtm: attempting bad refcount_dec() from saturated # [ 92.210432] ------------[ cut here ]------------ # [ 92.215626] refcount_t: saturated; leaking memory. # [ 92.227249] WARNING: CPU: 1 PID: 2472 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 92.242878] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 92.265058] CPU: 1 PID: 2472 Comm: cat Tainted: G D W 5.10.163-cip24 #1 # [ 92.273737] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 92.280377] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 92.286239] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d fe 02 94 01 00 75 ee 48 c7 c7 a8 7c 25 b3 c6 05 ee 02 94 01 01 e8 96 87 98 00 <0f> 0b c3 cc cc cc cc 80 3d da 02 94 01 00 75 cb 48 c7 c7 d0 7c 25 # [ 92.307254] RSP: 0018:ffff92d842c77e48 EFLAGS: 00010286 # [ 92.313117] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 92.327310] RDX: ffff8b437bcac660 RSI: ffff8b437bc9bf70 RDI: ffff8b437bc9bf70 # [ 92.335305] RBP: ffffffffb32bc55b R08: 0000000000000000 R09: 0000000000000000 # [ 92.343299] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 92.351294] R13: ffff92d842c77f10 R14: ffff92d842c77f10 R15: ffff8b43064f6000 # [ 92.359290] FS: 00007f8efd8be580(0000) GS:ffff8b437bc80000(0000) knlGS:0000000000000000 # [ 92.368344] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 92.374783] CR2: 00007f8efd6c7000 CR3: 00000001050ec000 CR4: 00000000003506e0 # [ 92.382781] Call Trace: # [ 92.385543] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 92.391020] direct_entry.cold+0x2c/0x38 # [ 92.401617] full_proxy_write+0x56/0x80 # [ 92.405929] vfs_write+0xea/0x3a0 # [ 92.409657] ksys_write+0x68/0xf0 # [ 92.413393] do_syscall_64+0x33/0x40 # [ 92.417414] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 92.429266] RIP: 0033:0x7f8efd7d4833 # [ 92.433282] 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 # [ 92.454299] RSP: 002b:00007ffd86ca20c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 92.462784] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f8efd7d4833 # [ 92.476968] RDX: 0000000000000017 RSI: 00007f8efd6c7000 RDI: 0000000000000001 # [ 92.484970] RBP: 00007f8efd6c7000 R08: 00007f8efd6c6010 R09: 0000000000000000 # [ 92.499158] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 92.50714[ 94.256136] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED 7] R13: 0000000000000001 R14: 0000000000020000 R15: 000000000002[ 94.269126] lkdtm: attempting bad refcount_dec_and_test() from saturated [ 94.282832] ------------[ cut here ]------------ [ 94.288012] refcount_t: underflow; use-after-free. 0000 # [ 92.521373] irq event stamp: 0 # [ 92.531014] hard[ 94.293436] WARNING: CPU: 1 PID: 2571 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 irqs last enabled at (0): [<0000000000000000>] 0x0 # [ 92.53[ 94.309068] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 8045] hardirqs last disabled at (0): [] copy_p[ 94.331306] CPU: 1 PID: 2571 Comm: cat Tainted: G D W 5.10.163-cip24 #1 rocess+0x664/0x1cb0 # [ 92.547213] softirqs last enabled at [ 94.346185] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 94.359038] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 94.364906] Code: 01 01 e8 50 87 98 00 0f 0b c3 cc cc cc cc 80 3d 93 02 94 01 00 75 85 48 c7 c7 00 7d 25 b3 c6 05 83 02 94 01 01 e8 2d 87 98 00 <0f> 0b c3 cc cc cc cc 80 3d 6e 02 94 01 00 0f 85 5e ff ff ff 48 c7 [ 94.385915] RSP: 0018:ffff92d842df7e40 EFLAGS: 00010286 [ 94.391784] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 [ 94.399786] RDX: ffff8b437bcac660 RSI: ffff8b437bc9bf70 RDI: ffff8b437bc9bf70 [ 94.407783] RBP: ffffffffb32bc1c8 R08: 0000000000000000 R09: 0000000000000000 [ 94.415783] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 94.423782] R13: ffff92d842df7f10 R14: ffff92d842df7f10 R15: ffff8b4303282000 [ 94.431785] FS: 00007f41d7b67580(0000) GS:ffff8b437bc80000(0000) knlGS:0000000000000000 (0): [] copy_process+0x664/0x1cb0 # [ 92.55[ 94.440848] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 94.453499] CR2: 00007f41d7970000 CR3: 0000000105fd0000 CR4: 00000000003506e0 [ 94.461496] Call Trace: [ 94.464258] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 94.470416] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 [ 94.476779] direct_entry.cold+0x2c/0x38 [ 94.481183] full_proxy_write+0x56/0x80 [ 94.485496] vfs_write+0xea/0x3a0 [ 94.489225] ksys_write+0x68/0xf0 [ 94.492956] do_syscall_64+0x33/0x40 [ 94.496970] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 94.502640] RIP: 0033:0x7f41d7a7d833 [ 94.506657] 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 [ 94.527663] RSP: 002b:00007fff1e74c188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 94.536146] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f41d7a7d833 6411] softirqs last disabled at (0): [<0000000000000000>] 0x0 #[ 94.544143] RDX: 0000000000000020 RSI: 00007f41d7970000 RDI: 0000000000000001 [ 92.569652] ---[ end trace 1d3a9950dc1d740f ]--- # [ 92.5[ 94.558336] RBP: 00007f41d7970000 R08: 00007f41d796f010 R09: 0000000000000000 [ 94.572537] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 94.580536] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 94.588536] irq event stamp: 0 [ 94.591973] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 94.599003] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 94.608163] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 94.617327] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 94.624352] ---[ end trace 1d3a9950dc1d7412 ]--- [ 94.629530] lkdtm: Saturation detected: still saturated 74834] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_SATURATED: saw 'Saturation detected: still saturated': ok ok 54 selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # [ 92.901908] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 92.911634] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 92.919175] ------------[ cut here ]------------ # [ 92.924356] refcount_t: saturated; leaking memory. # [ 92.929771] WARNING: CPU: 0 PID: 2504 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 92.939226] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 92.955234] CPU: 0 PID: 2504 Comm: cat Tainted: G D W 5.10.163-cip24 #1 # [ 92.963910] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 92.976763] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 92.982629] Code: 01 01 e8 73 87 98 00 0f 0b c3 cc cc cc cc 80 3d b9 02 94 01 00 75 a8 48 c7 c7 a8 7c 25 b3 c6 05 a9 02 94 01 01 e8 50 87 98 00 <0f> 0b c3 cc cc cc cc 80 3d 93 02 94 01 00 75 85 48 c7 c7 00 7d 25 # [ 93.003641] RSP: 0018:ffff92d842d07e38 EFLAGS: 00010282 # [ 93.009502] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 93.017497] RDX: ffff8b437bc2c660 RSI: ffff8b437bc1bf70 RDI: ffff8b437bc1bf70 # [ 93.025498] RBP: ffffffffb32bc188 R08: 0000000000000000 R09: 0000000000000000 # [ 93.033502] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 93.041497] R13: ffff92d842d07f10 R14: ffff92d842d07f10 R15: ffff8b4305154000 # [ 93.049492] FS: 00007f8d40203580(0000) GS:ffff8b437bc00000(0000) knlGS:0000000000000000 # [ 93.058555] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 93.064996] CR2: 00007f8d4000c000 CR3: 0000000105c4e000 CR4: 00000000003506f0 # [ 93.072989] Call Trace: # [ 93.075752] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 93.081912] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 93.094473] direct_entry.cold+0x2c/0x38 # [ 93.098882] full_proxy_write+0x56/0x80 # [ 93.109401] vfs_write+0xea/0x3a0 # [ 93.113130] ksys_write+0x68/0xf0 # [ 93.116867] do_syscall_64+0x33/0x40 # [ 93.120888] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 93.132744] RIP: 0033:0x7f8d40119833 # [ 93.136758] 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 # [ 93.157775] RSP: 002b:00007fffeff8a178 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 93.166260] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f8d40119833 # [ 93.174259] RDX: 0000000000000020 RSI: 00007f8d4000c000 RDI: 0000000000000001 # [ 93.182258] RBP: 00007f8d4000c000 R08: 00007f8d4000b010 R09: 0000000000000000 # [ 93.196449] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 93.210661] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 93.218676] irq event stamp: 0 # [ 93.222113] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 93.229144] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 93.238306] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ [ 94.967519] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED [ 94.978875] lkdtm: attempting bad refcount_sub_and_test() from saturated [ 94.986411] ------------[ cut here ]------------ 93.247468] softirqs last disabled at (0): [<0000000000000000>] [ 94.991584] refcount_t: underflow; use-after-free. 0x0 # [ 93.254534] ---[ end trace 1d3a9950dc1d7410 ]--- # [ [ 95.003205] WARNING: CPU: 0 PID: 2606 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 [ 95.018817] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 95.034819] CPU: 0 PID: 2606 Comm: cat Tainted: G D W 5.10.163-cip24 #1 [ 95.043488] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 95.050189] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 95.056090] Code: 01 01 e8 50 87 98 00 0f 0b c3 cc cc cc cc 80 3d 93 02 94 01 00 75 85 48 c7 c7 00 7d 25 b3 c6 05 83 02 94 01 01 e8 2d 87 98 00 <0f> 0b c3 cc cc cc cc 80 3d 6e 02 94 01 00 0f 85 5e ff ff ff 48 c7 [ 95.077105] RSP: 0018:ffff92d842e8fe40 EFLAGS: 00010286 [ 95.082975] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 [ 95.090972] RDX: ffff8b437bc2c660 RSI: ffff8b437bc1bf70 RDI: ffff8b437bc1bf70 [ 95.098968] RBP: ffffffffb32bc1e8 R08: 0000000000000000 R09: 0000000000000000 [ 95.106967] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 95.114965] R13: ffff92d842e8ff10 R14: ffff92d842e8ff10 R15: ffff8b43040c3000 [ 95.122965] FS: 00007fd3cb6bb580(0000) GS:ffff8b437bc00000(0000) knlGS:0000000000000000 [ 95.132028] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 95.138472] CR2: 00007fd3cb4c4000 CR3: 00000001034f4000 CR4: 00000000003506f0 [ 95.146470] Call Trace: [ 95.149237] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 95.155398] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 [ 95.161755] direct_entry.cold+0x2c/0x38 [ 95.166171] full_proxy_write+0x56/0x80 [ 95.170487] vfs_write+0xea/0x3a0 [ 95.174219] ksys_write+0x68/0xf0 [ 95.177945] do_syscall_64+0x33/0x40 [ 95.181971] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 95.187643] RIP: 0033:0x7fd3cb5d1833 [ 95.191665] 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 [ 95.212675] RSP: 002b:00007ffdbe4220c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 95.221162] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fd3cb5d1833 [ 95.229156] RDX: 0000000000000020 RSI: 00007fd3cb4c4000 RDI: 0000000000000001 [ 95.237152] RBP: 00007fd3cb4c4000 R08: 00007fd3cb4c3010 R09: 0000000000000000 [ 95.245149] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 95.253138] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 93.259740] lkdtm: Saturation detected: still saturated # REFC[ 95.261141] irq event stamp: 0 OUNT_INC_NOT_ZERO_SATURATED: saw 'call trace:': ok ok 55 selfte[ 95.270772] hardirqs last enabled at (0): [<0000000000000000>] 0x0 sts: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # selftests: lkd[ 95.283994] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 95.299362] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 95.308529] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 95.315557] ---[ end trace 1d3a9950dc1d7413 ]--- [ 95.320740] lkdtm: Saturation detected: still saturated tm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # [ 93.579494] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 93.590436] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 93.597966] ------------[ cut here ]------------ # [ 93.603149] refcount_t: saturated; leaking memory. # [ 93.608571] WARNING: CPU: 0 PID: 2536 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 93.618025] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 93.640236] CPU: 0 PID: 2536 Comm: cat Tainted: G D W 5.10.163-cip24 #1 # [ 93.648910] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 93.655551] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 93.661414] Code: 01 01 e8 73 87 98 00 0f 0b c3 cc cc cc cc 80 3d b9 02 94 01 00 75 a8 48 c7 c7 a8 7c 25 b3 c6 05 a9 02 94 01 01 e8 50 87 98 00 <0f> 0b c3 cc cc cc cc 80 3d 93 02 94 01 00 75 85 48 c7 c7 00 7d 25 # [ 93.682425] RSP: 0018:ffff92d842cbfe38 EFLAGS: 00010282 # [ 93.688288] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 93.696284] RDX: ffff8b437bc2c660 RSI: ffff8b437bc1bf70 RDI: ffff8b437bc1bf70 # [ 93.704278] RBP: ffffffffb32bc1a8 R08: 0000000000000000 R09: 0000000000000000 # [ 93.712276] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 93.720270] R13: ffff92d842cbff10 R14: ffff92d842cbff10 R15: ffff8b430513a000 # [ 93.728264] FS: 00007f454fc16580(0000) GS:ffff8b437bc00000(0000) knlGS:0000000000000000 # [ 93.737329] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 93.743777] CR2: 00007f454fa1f000 CR3: 000000010501c000 CR4: 00000000003506f0 # [ 93.751775] Call Trace: # [ 93.754541] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 93.760702] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 93.767052] direct_entry.cold+0x2c/0x38 # [ 93.771462] full_proxy_write+0x56/0x80 # [ 93.775784] vfs_write+0xea/0x3a0 # [ 93.779515] ksys_write+0x68/0xf0 # [ 93.783246] do_syscall_64+0x33/0x40 # [ 93.787269] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 93.792940] RIP: 0033:0x7f454fb2c833 # [ 93.796958] 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 # [ 93.817964] RSP: 002b:00007fffd0b22778 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 93.826449] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f454fb2c833 # [ 93.834450] RDX: 0000000000000020 RSI: 00007f454fa1f000 RDI: 0000000000000001 # [ 93.842445] RBP: 00007f454fa1f000 R08: 00007f454fa1e010 R09: 0000000000000000 # [ 93.850440] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 93.858429] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 93.872641] irq event stamp: 0 # [ 93.882262] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 93.895497] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 93.904659] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 93.913811] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 93.920838] ---[ end trace 1d3a9950dc1d7411 ]--- # [ 93.926070] 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 # [ 94.256136] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 94.269126] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 94.282832] ------------[ cut here ]------------ # [ 94.288012] refcount_t: underflow; use-after-free. # [ 94.293436] WARNING: CPU: 1 PID: 2571 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 94.309068] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 94.331306] CPU: 1 PID: 2571 Comm: cat Tainted: G D W 5.10.163-cip24 #1 # [ 94.346185] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 94.359038] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 94.364906] Code: 01 01 e8 50 87 98 00 0f 0b c3 cc cc cc cc 80 3d 93 02 94 01 00 75 85 48 c7 c7 00 7d 25 b3 c6 05 83 02 94 01 01 e8 2d 87 98 00 <0f> 0b c3 cc cc cc cc 80 3d 6e 02 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 94.385915] RSP: 0018:ffff92d842df7e40 EFLAGS: 00010286 # [ 94.391784] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 94.399786] RDX: ffff8b437bcac660 RSI: ffff8b437bc9bf70 RDI: ffff8b437bc9bf70 # [ 94.407783] RBP: ffffffffb32bc1c8 R08: 0000000000000000 R09: 0000000000000000 # [ 94.415783] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 94.423782] R13: ffff92d842df7f10 R14: ffff92d842df7f10 R15: ffff8b4303282000 # [ 94.431785] FS: 00007f41d7b67580(0000) GS:ffff8b437bc80000(0000) knlGS:0000000000000000 # [ 94.440848] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 94.453499] CR2: 00007f41d7970000 CR3: 0000000105fd0000 CR4: 00000000003506e0 # [ 94.461496] Call Trace: # [ 94.464258] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 94.470416] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 94.476779] direct_entry.cold+0x2c/0x38 # [ 94.481183] full_proxy_write+0x56/0x80 # [ 94.485496] vfs_write+0xea/0x3a0 # [ 94.489225] ksys_write+0x68/0xf0 # [ 94.492956] do_syscall_64+0x33/0x40 # [ 94.496970] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 94.502640] RIP: 0033:0x7f41d7a7d833 # [ 94.506657] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff [ 95.895937] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO [ 95.905245] lkdtm: attempting good copy_to_user of correct size eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 0[ 95.911950] lkdtm: attempting bad copy_to_user of too large size 0 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 94.527663] RSP: 002b:00007fff1e74c188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 94.536146] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f41d7a7d833 # [ 94.544143] RDX: 0000000000000020 RSI: 00007f41d7970000 RDI: 0000000000000001 # [ 94.558336] RBP: 00007f41d7970000 R08: 00007f41d796f010 R09: 0000000000000000 # [ 94.572537] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 94.580536] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 94.588536] irq event stamp: 0 # [ 94.591973] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 94.599003] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 94.608163] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 94.617327] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 94.624352] ---[ end trace 1d3a9950dc1d7412 ]--- # [ 94.629530] 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 # [ 94.967519] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 94.978875] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 94.986411] ------------[ cut here ]------------ # [ 94.991584] refcount_t: underflow; use-after-free. # [ 95.003205] WARNING: CPU: 0 PID: 2606 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 95.018817] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 95.034819] CPU: 0 PID: 2606 Comm: cat Tainted: G D W 5.10.163-cip24 #1 # [ 95.043488] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 95.050189] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 95.056090] Code: 01 01 e8 50 87 98 00 0f 0b c3 cc cc cc cc 80 3d 93 02 94 01 00 75 85 48 c7 c7 00 7d 25 b3 c6 05 83 02 94 01 01 e8 2d 87 98 00 <0f> 0b c3 cc cc cc cc 80 3d 6e 02 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 95.077105] RSP: 0018:ffff92d842e8fe40 EFLAGS: 00010286 # [ 95.082975] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 95.090972] RDX: ffff8b437bc2c660 RSI: ffff8b437bc1bf70 RDI: ffff8b437bc1bf70 # [ 95.098968] RBP: ffffffffb32bc1e8 R08: 0000000000000000 R09: 0000000000000000 # [ 95.106967] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 95.114965] R13: ffff92d842e8ff10 R14: ffff92d842e8ff10 R15: ffff8b43040c3000 # [ 95.122965] FS: 00007fd3cb6bb580(0000) GS:ffff8b437bc00000(0000) knlGS:0000000000000000 # [ 95.132028] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 95.138472] CR2: 00007fd3cb4c4000 CR3: 00000001034f4000 CR4: 00000000003506f0 # [ 95.146470] Call Trace: # [ 95.149237] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 95.155398] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED[ 96.226650] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM [ 96.236423] lkdtm: attempting good copy_from_user of correct size +0x3e/0x76 # [ 95.161755] direct_entry.cold+0x2c/0x38 # [ [ 96.243322] lkdtm: attempting bad copy_from_user of too large size 95.166171] full_proxy_write+0x56/0x80 # [ 95.170487] vfs_write+0xea/0x3a0 # [ 95.174219] ksys_write+0x68/0xf0 # [ 95.177945] do_syscall_64+0x33/0x40 # [ 95.181971] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 95.187643] RIP: 0033:0x7fd3cb5d1833 # [ 95.191665] 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 # [ 95.212675] RSP: 002b:00007ffdbe4220c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 95.221162] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fd3cb5d1833 # [ 95.229156] RDX: 0000000000000020 RSI: 00007fd3cb4c4000 RDI: 0000000000000001 # [ 95.237152] RBP: 00007fd3cb4c4000 R08: 00007fd3cb4c3010 R09: 0000000000000000 # [ 95.245149] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 95.253138] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 95.261141] irq event stamp: 0 # [ 95.270772] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 95.283994] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 95.299362] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 95.308529] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 95.315557] ---[ end trace 1d3a9950dc1d7413 ]--- # [ 95.320740] 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 # [ 95.895937] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 95.905245] lkdtm: attempting good copy_to_user of correct size # [ 95.911950] 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 # [ 96.226650] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 96.236423] lkdtm: attempting good copy_from_user of correct size # [ 96.243322] 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 [ 96.559532] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO [ 96.566802] lkdtm: attempting good copy_to_user inside whitelist [ 96.573562] lkdtm: attempting bad copy_to_user outside whitelist # [ 96.559532] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 96.566802] lkdtm: attempting good copy_to_user inside whitelist # [ 96.573562] 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 [ 96.877037] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM [ 96.884504] lkdtm: attempting good copy_from_user inside whitelist [ 96.891449] lkdtm: attempting bad copy_from_user outside whitelist # [ 96.877037] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 96.884504] lkdtm: attempting good copy_from_user inside whitelist # [ 96.891449] 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 [ 97.205873] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO [ 97.212834] lkdtm: good_stack: ffff92d8431e7e20-ffff92d8431e7e40 [ 97.219582] lkdtm: bad_stack : ffff92d8431e7da8-ffff92d8431e7dc8 [ 97.226451] lkdtm: attempting good copy_to_user of local stack [ 97.233065] lkdtm: attempting bad copy_to_user of distant stack # [ 97.205873] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 97.212834] lkdtm: good_stack: ffff92d8431e7e20-ffff92d8431e7e40 # [ 97.219582] lkdtm: bad_stack : ffff92d8431e7da8-ffff92d8431e7dc8 # [ 97.226451] lkdtm: attempting good copy_to_user of local stack # [ 97.233065] 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 [ 97.537758] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM [ 97.544919] lkdtm: good_stack: ffff92d843287e20-ffff92d843287e40 [ 97.551689] lkdtm: bad_stack : ffff92d843287da8-ffff92d843287dc8 [ 97.558464] lkdtm: attempting good copy_from_user of local stack [ 97.565219] lkdtm: attempting bad copy_from_user of distant stack # [ 97.537758] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 97.544919] lkdtm: good_stack: ffff92d843287e20-ffff92d843287e40 # [ 97.551689] lkdtm: bad_stack : ffff92d843287da8-ffff92d843287dc8 # [ 97.558464] lkdtm: attempting good copy_from_user of local stack # [ 97.565219] 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 [ 97.867301] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND [ 97.874052] lkdtm: good_stack: ffff92d84330fe20-ffff92d84330fe40 [ 97.880830] lkdtm: bad_stack : ffff92d84330fff8-ffff92d843310018 [ 97.887963] lkdtm: attempting good copy_to_user of local stack [ 97.894941] lkdtm: attempting bad copy_to_user of distant stack [ 97.901931] lkdtm: copy_to_user failed, but lacked Oops # [ 97.867301] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 97.874052] lkdtm: good_stack: ffff92d84330fe20-ffff92d84330fe40 # [ 97.880830] lkdtm: bad_stack : ffff92d84330fff8-ffff92d843310018 # [ 97.887963] lkdtm: attempting good copy_to_user of local stack # [ 97.894941] lkdtm: attempting bad copy_to_user of distant stack # [ 97.901931] 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 [ 98.207129] lkdtm: Performing direct entry USERCOPY_KERNEL [ 98.213309] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffb2ed1450 [ 98.222004] lkdtm: attempting bad copy_to_user from kernel text: ffffffffb1ae3ab0 [ 98.230409] lkdtm: FAIL: survived bad copy_to_user() # [ 98.207129] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 98.213309] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffb2ed1450 # [ 98.222004] lkdtm: attempting bad copy_to_user from kernel text: ffffffffb1ae3ab0 # [ 98.230409] 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 [ 98.543079] lkdtm: Performing direct entry STACKLEAK_ERASING [ 98.549444] lkdtm: checking unused part of the thread stack (15928 bytes)... [ 98.557414] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) [ 98.565230] lkdtm: FAIL: the thread stack is NOT properly erased [ 98.571973] CPU: 3 PID: 2971 Comm: cat Tainted: G D W 5.10.163-cip24 #1 [ 98.580631] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 98.587247] Call Trace: [ 98.589998] dump_stack+0x77/0x9b [ 98.593708] lkdtm_STACKLEAK_ERASING+0x116/0x144 [ 98.598872] direct_entry.cold+0x2c/0x38 [ 98.603263] full_proxy_write+0x56/0x80 [ 98.607555] vfs_write+0xea/0x3a0 [ 98.611263] ksys_write+0x68/0xf0 [ 98.614973] do_syscall_64+0x33/0x40 [ 98.618974] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 98.624624] RIP: 0033:0x7f02b76a3833 [ 98.628620] 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 [ 98.649611] RSP: 002b:00007ffd3c2e44d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 98.658077] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f02b76a3833 [ 98.666052] RDX: 0000000000000012 RSI: 00007f02b7596000 RDI: 0000000000000001 [ 98.674026] RBP: 00007f02b7596000 R08: 00007f02b7595010 R09: 0000000000000000 [ 98.682002] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 98.689975] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 98.543079] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 98.549444] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 98.557414] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 98.565230] lkdtm: FAIL: the thread stack is NOT properly erased # [ 98.571973] CPU: 3 PID: 2971 Comm: cat Tainted: G D W 5.10.163-cip24 #1 # [ 98.580631] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 98.587247] Call Trace: # [ 98.589998] dump_stack+0x77/0x9b # [ 98.593708] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 98.598872] direct_entry.cold+0x2c/0x38 # [ 98.603263] full_proxy_write+0x56/0x80 # [ 98.607555] vfs_write+0xea/0x3a0 # [ 98.611263] ksys_write+0x68/0xf0 # [ 98.614973] do_syscall_64+0x33/0x40 # [ 98.618974] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 98.624624] RIP: 0033:0x7f02b76a3833 # [ 98.628620] 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 # [ 98.649611] RSP: 002b:00007ffd3c2e44d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 98.658077] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f02b76a3833 # [ 98.666052] RDX: 0000000000000012 RSI: 00007f02b7596000 RDI: 0000000000000001 # [ 98.674026] RBP: 00007f02b7596000 R08: 00007f02b7595010 R09: 0000000000000000 # [ 98.682002] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 98.689975] 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 [ 99.004552] lkdtm: Performing direct entry CFI_FORWARD_PROTO [ 99.010925] lkdtm: Calling matched prototype ... [ 99.016112] lkdtm: Calling mismatched prototype ... [ 99.021594] lkdtm: Fail: survived mismatched prototype function call! # [ 99.004552] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 99.010925] lkdtm: Calling matched prototype ... # [ 99.016112] lkdtm: Calling mismatched prototype ... # [ 99.021594] 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 + ../../utils/send-to-lava.sh ./output/result.txt + set +x / #