[Enter `^Ec?' for help] coreboot-56f9d1cd49 Thu Sep 5 21:57:06 UTC 2019 bootblock starting... Family_Model: 00670f00 PMxC0 STATUS: 0x80800 DoReset BIT11 DW I2C bus 1 at 0xfedc3000 (400 KHz) VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [df0000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset aa8c0 size d5a4 coreboot-56f9d1cd49 Thu Sep 5 21:57:06 UTC 2019 verstage starting... Probing TPM I2C: .done! DID_VID 0x00281ae0 TPM ready after 0 ms cr50 TPM 2.0 (i2c 1:0x50 id 0x28) TPM: setup succeeded src/security/tpm/tss/tcg-2.0/tss.c:177 index 0x1007 return code 0 Chrome EC: UHEPI supported Phase 1 FMAP: Found "FLASH" version 1.1 at d7f000. FMAP: base = ff000000 size = 1000000 #areas = 30 FMAP: area GBB found @ d80000 (458752 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x0 / 0x0 Phase 2 Phase 3 FMAP: area GBB found @ d80000 (458752 bytes) VB2:vb2_report_dev_firmware() This is developer signed firmware FMAP: area VBLOCK_A found @ 21000 (65536 bytes) FMAP: area VBLOCK_A found @ 21000 (65536 bytes) VB2:vb2_verify_keyblock() Checking key block signature... FMAP: area VBLOCK_A found @ 21000 (65536 bytes) FMAP: area VBLOCK_A found @ 21000 (65536 bytes) VB2:vb2_verify_fw_preamble() Verifying preamble. Phase 4 FMAP: area FW_MAIN_A found @ 31000 (2154432 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) board_reset() called! coreboot-56f9d1cd49 Thu Sep 5 21:57:06 UTC 2019 bootblock starting... Family_Model: 00670f00 PMxC0 STATUS: 0x80800 DoReset BIT11 DW I2C bus 1 at 0xfedc3000 (400 KHz) VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [df0000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset aa8c0 size d5a4 coreboot-56f9d1cd49 Thu Sep 5 21:57:06 UTC 2019 verstage starting... Probing TPM I2C: .done! DID_VID 0x00281ae0 TPM ready after 0 ms cr50 TPM 2.0 (i2c 1:0x50 id 0x28) TPM: setup succeeded src/security/tpm/tss/tcg-2.0/tss.c:177 index 0x1007 return code 0 Chrome EC: UHEPI supported Phase 1 FMAP: Found "FLASH" version 1.1 at d7f000. FMAP: base = ff000000 size = 1000000 #areas = 30 FMAP: area GBB found @ d80000 (458752 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 CBFS: 'Master Header Locator' located CBFS at [df0000:ffffc0) CBFS: Locating 'fallback/romstage' CBFS: Found @ offset 80 size d2e4 coreboot-56f9d1cd49 Thu Sep 5 21:57:06 UTC 2019 romstage starting... CBFS: 'Master Header Locator' located CBFS at [df0000:ffffc0) CBFS: Locating 'smu_fw' CBFS: Found @ offset 7bc00 size 12262 PSP: Load blob type 19 from @ffe6bc38... OK Google Chrome set keyboard backlight: 4 status (0) POST: 0x37 agesawrapper_amdinitreset() entry CBFS: 'Master Header Locator' located CBFS at [df0000:ffffc0) CBFS: Locating 'AGESA_PRE_MEM' CBFS: Found @ offset df80 size 53bcc agesawrapper_amdinitreset() returned AGESA_SUCCESS POST: 0x38 agesawrapper_amdinitearly() entry Warning - AGESA callout: platform_PcieSlotResetControl not supported Warning - AGESA callout: platform_PcieSlotResetControl not supported agesawrapper_amdinitearly() returned AGESA_SUCCESS POST: 0x40 agesawrapper_amdinitpost() entry DRAM clear on reset: Keep variant_mainboard_read_spd SPD index 8 CBFS: 'Master Header Locator' located CBFS at [df0000:ffffc0) CBFS: Locating 'spd.bin' CBFS: Found @ offset 79bc0 size 2000 AGESA set: umamode UMA_SPECIFIED : syslimit 0x12effffff, bottomio 0x00d00000 : uma size 16MB, uma start 0xcf000000 agesawrapper_amdinitpost() returned AGESA_SUCCESS POST: 0x41 Boot Count incremented to 6051 POST: 0x42 PSP: Notify that DRAM is available... OK POST: 0x43 CBMEM: IMD: root @ cdfff000 254 entries. IMD: root @ cdffec00 62 entries. External stage cache: IMD: root @ cefff000 254 entries. IMD: root @ ceffec00 62 entries. creating vboot_handoff structure Chrome EC: UHEPI supported Chrome EC: clear events_b mask to 0x0000000021004000 POST: 0x44 MTRR Range: Start=cd000000 End=ce000000 (Size 1000000) MTRR Range: Start=ff000000 End=0 (Size 1000000) MTRR Range: Start=ce800000 End=cf000000 (Size 800000) POST: 0x45 CBFS: 'Master Header Locator' located CBFS at [df0000:ffffc0) CBFS: Locating 'fallback/postcar' CBFS: Found @ offset a2a80 size 41f4 Decompressing stage fallback/postcar @ 0xcdfa1fc0 (33488 bytes) Loading module at cdfa2000 with entry cdfa2000. filesize: 0x3fd0 memsize: 0x8290 Processing 114 relocs. Offset value of 0xcbfa2000 coreboot-56f9d1cd49 Thu Sep 5 21:57:06 UTC 2019 postcar starting... CBFS: 'Master Header Locator' located CBFS at [df0000:ffffc0) CBFS: Locating 'fallback/ramstage' CBFS: Found @ offset 61bc0 size 17f95 Decompressing stage fallback/ramstage @ 0xcde9efc0 (1055256 bytes) Loading module at cde9f000 with entry cde9f000. filesize: 0x37198 memsize: 0x1019d8 Processing 3480 relocs. Offset value of 0xcdd9f000 coreboot-56f9d1cd49 Thu Sep 5 21:57:06 UTC 2019 ramstage starting... POST: 0x39 FMAP: Found "FLASH" version 1.1 at d7f000. FMAP: base = ff000000 size = 1000000 #areas = 30 FMAP: area RO_VPD found @ c00000 (16384 bytes) WARNING: RO_VPD is uninitialized or empty. FMAP: area RW_VPD found @ 465000 (8192 bytes) FMAP: area RW_VPD found @ 465000 (8192 bytes) POST: 0x80 Normal boot. POST: 0x46 CBFS: 'Master Header Locator' located CBFS at [df0000:ffffc0) CBFS: Locating 'smu_fw2' CBFS: Found @ offset 8dec0 size 4cf2 PSP: Load blob type 1a from @ffe7def8... OK POST: 0x47 agesawrapper_amdinitenv() entry CBFS: 'Master Header Locator' located CBFS at [df0000:ffffc0) CBFS: Locating 'AGESA_POST_MEM' CBFS: Found @ offset b7f00 size 135b2 Decompressing stage AGESA_POST_MEM @ 0xcde6cfc0 (198492 bytes) Loading module at cde6d000 with entry cde6d000. filesize: 0x2f340 memsize: 0x2f480 Processing 1271 relocs. Offset value of 0xce06d000 AGESA: Saving stage to cache Fch OEM config in INIT ENV Done agesawrapper_amdinitenv() returned AGESA_SUCCESS POST: 0x70 BS: BS_PRE_DEVICE times (us): entry 124077 run 1086 exit 0 POST: 0x71 Board ID: 6 mainboard: EC init Chrome EC: Set SMI mask to 0x0000000000000000 Chrome EC: UHEPI supported Chrome EC: Set S5 LAZY WAKE mask to 0x0000000000000006 Chrome EC: Set S3 LAZY WAKE mask to 0x0000000010001006 Chrome EC: Set WAKE mask to 0x0000000000000000 DW I2C bus 0 at 0xfedc2000 (400 KHz) DW I2C bus 2 at 0xfedc4000 (400 KHz) DW I2C bus 3 at 0xfedc5000 (400 KHz) FMAP: area RW_ELOG found @ 45d000 (16384 bytes) Manufacturer: ef SF: Detected W25Q128FW with sector size 0x1000, total 0x1000000 ELOG: NV offset 0x45d000 size 0x4000 ELOG: area is 4096 bytes, full threshold 3842, shrink size 1024 ELOG: Event(17) added with size 13 at 2022-11-09 21:07:10 UTC POST: Unexpected post code in previous boot: 0x90 ELOG: Event(A3) added with size 11 at 2022-11-09 21:07:10 UTC ELOG: Event(9F) added with size 14 at 2022-11-09 21:07:10 UTC PM1_STS: PWRBTN BMSTATUS setup_bsp_ramtop, TOP MEM: msr.lo = 0xd0000000, msr.hi = 0x00000000 setup_bsp_ramtop, TOP MEM2: msr.lo = 0x2f000000, msr.hi = 0x00000001 BS: BS_DEV_INIT_CHIPS times (us): entry 0 run 99150 exit 0 POST: 0x72 Enumerating buses... Show all devs... Before device enumeration. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 MMIO: fedc2000: enabled 1 MMIO: fedc3000: enabled 1 MMIO: fedc4000: enabled 1 MMIO: fedc5000: enabled 1 APIC: 10: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:00.2: enabled 0 PCI: 00:01.0: enabled 1 PCI: 00:01.1: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:02.1: enabled 1 PCI: 00:02.2: enabled 1 PCI: 00:02.3: enabled 1 PCI: 00:02.4: enabled 1 PCI: 00:02.5: enabled 1 PCI: 00:08.0: enabled 1 PCI: 00:09.0: enabled 1 PCI: 00:09.2: enabled 1 PCI: 00:10.0: enabled 1 PCI: 00:11.0: enabled 0 PCI: 00:12.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.3: enabled 1 PCI: 00:14.7: enabled 1 PCI: 00:18.0: enabled 1 PCI: 00:18.1: enabled 1 PCI: 00:18.2: enabled 1 PCI: 00:18.3: enabled 1 PCI: 00:18.4: enabled 1 PCI: 00:18.5: enabled 1 GENERIC: 0.0: enabled 1 I2C: 00:1a: enabled 1 GENERIC: 0.1: enabled 1 I2C: 00:50: enabled 1 I2C: 00:15: enabled 1 I2C: 00:39: enabled 1 I2C: 00:10: enabled 1 PCI: 00:00.0: enabled 1 PNP: 0c09.0: enabled 1 Compare with tree... Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 APIC: 10: enabled 1 DOMAIN: 0000: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:00.2: enabled 0 PCI: 00:01.0: enabled 1 PCI: 00:01.1: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:02.1: enabled 1 PCI: 00:02.2: enabled 1 PCI: 00:02.3: enabled 1 PCI: 00:02.4: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.5: enabled 1 PCI: 00:08.0: enabled 1 PCI: 00:09.0: enabled 1 PCI: 00:09.2: enabled 1 PCI: 00:10.0: enabled 1 PCI: 00:11.0: enabled 0 PCI: 00:12.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.3: enabled 1 PNP: 0c09.0: enabled 1 PCI: 00:14.7: enabled 1 PCI: 00:18.0: enabled 1 PCI: 00:18.1: enabled 1 PCI: 00:18.2: enabled 1 PCI: 00:18.3: enabled 1 PCI: 00:18.4: enabled 1 PCI: 00:18.5: enabled 1 MMIO: fedc2000: enabled 1 GENERIC: 0.0: enabled 1 I2C: 00:1a: enabled 1 GENERIC: 0.1: enabled 1 MMIO: fedc3000: enabled 1 I2C: 00:50: enabled 1 MMIO: fedc4000: enabled 1 I2C: 00:15: enabled 1 MMIO: fedc5000: enabled 1 I2C: 00:39: enabled 1 I2C: 00:10: enabled 1 Mainboard Grunt Enable. Root Device scanning... root_dev_scan_bus for Root Device CPU_CLUSTER: 0 enabled DOMAIN: 0000 enabled MMIO: fedc2000 enabled MMIO: fedc3000 enabled MMIO: fedc4000 enabled MMIO: fedc5000 enabled DOMAIN: 0000 scanning... PCI: pci_scan_bus for bus 00 POST: 0x24 sb_enable PCI: 00:00.0 [1022/1576] enabled sb_enable sb_enable PCI: 00:01.0 [1002/98e4] enabled sb_enable PCI: 00:01.1 [1002/15b3] enabled sb_enable PCI: 00:02.0 [1022/157b] enabled sb_enable PCI: Static device PCI: 00:02.1 not found, disabling it. sb_enable Capability: type 0x01 @ 0x50 Capability: type 0x10 @ 0x58 Capability: type 0x05 @ 0xa0 Capability: type 0x0d @ 0xc0 Capability: type 0x08 @ 0xc8 Capability: type 0x01 @ 0x50 Capability: type 0x10 @ 0x58 PCI: 00:02.2 subordinate bus PCI Express PCI: 00:02.2 [1022/157c] enabled sb_enable PCI: Static device PCI: 00:02.3 not found, disabling it. sb_enable Capability: type 0x01 @ 0x50 Capability: type 0x10 @ 0x58 Capability: type 0x05 @ 0xa0 Capability: type 0x0d @ 0xc0 Capability: type 0x08 @ 0xc8 Capability: type 0x01 @ 0x50 Capability: type 0x10 @ 0x58 PCI: 00:02.4 subordinate bus PCI Express PCI: 00:02.4 [1022/157c] enabled sb_enable PCI: Static device PCI: 00:02.5 not found, disabling it. PCI: 00:03.0 [1022/157b] enabled sb_enable PCI: 00:08.0 [1022/1578] enabled sb_enable PCI: 00:09.0 [1022/157d] enabled sb_enable PCI: Static device PCI: 00:09.2 not found, disabling it. sb_enable PCI: 00:10.0 [1022/0000] bus ops PCI: 00:10.0 [1022/7914] enabled sb_enable sb_enable PCI: 00:12.0 [1022/0000] bus ops PCI: 00:12.0 [1022/7908] enabled sb_enable PCI: 00:14.0 [1022/790b] bus ops PCI: 00:14.0 [1022/790b] enabled sb_enable PCI: 00:14.3 [1022/0000] bus ops PCI: 00:14.3 [1022/790e] enabled sb_enable PCI: 00:14.7 [1022/7906] enabled sb_enable PCI: 00:18.0 [1022/15b0] ops PCI: 00:18.0 [1022/15b0] enabled sb_enable PCI: 00:18.1 [1022/15b1] enabled sb_enable PCI: 00:18.2 [1022/15b2] enabled sb_enable PCI: 00:18.3 [1022/15b3] enabled sb_enable PCI: 00:18.4 [1022/15b4] enabled sb_enable PCI: 00:18.5 [1022/15b5] enabled POST: 0x25 PCI: 00:02.2 scanning... do_pci_scan_bridge for PCI: 00:02.2 PCI: pci_scan_bus for bus 01 POST: 0x24 PCI: 01:00.0 [168c/003e] enabled POST: 0x25 POST: 0x55 Capability: type 0x01 @ 0x40 Capability: type 0x05 @ 0x50 Capability: type 0x10 @ 0x70 Capability: type 0x01 @ 0x50 Capability: type 0x10 @ 0x58 Enabling Common Clock Configuration ASPM: Enabled L0s and L1 Capability: type 0x01 @ 0x40 Capability: type 0x05 @ 0x50 Capability: type 0x10 @ 0x70 scan_bus: scanning of bus PCI: 00:02.2 took 40754 usecs PCI: 00:02.4 scanning... do_pci_scan_bridge for PCI: 00:02.4 PCI: pci_scan_bus for bus 02 POST: 0x24 PCI: 02:00.0 [1217/0000] ops PCI: 02:00.0 [1217/8620] enabled POST: 0x25 POST: 0x55 Capability: type 0x01 @ 0x6c Capability: type 0x05 @ 0x48 Capability: type 0x10 @ 0x80 Capability: type 0x01 @ 0x50 Capability: type 0x10 @ 0x58 ASPM: Enabled L0s and L1 Capability: type 0x01 @ 0x6c Capability: type 0x05 @ 0x48 Capability: type 0x10 @ 0x80 scan_bus: scanning of bus PCI: 00:02.4 took 40317 usecs PCI: 00:10.0 scanning... scan_usb_bus for PCI: 00:10.0 scan_usb_bus for PCI: 00:10.0 done scan_bus: scanning of bus PCI: 00:10.0 took 8111 usecs PCI: 00:12.0 scanning... scan_usb_bus for PCI: 00:12.0 scan_usb_bus for PCI: 00:12.0 done scan_bus: scanning of bus PCI: 00:12.0 took 8113 usecs PCI: 00:14.0 scanning... scan_generic_bus for PCI: 00:14.0 scan_generic_bus for PCI: 00:14.0 done scan_bus: scanning of bus PCI: 00:14.0 took 8801 usecs PCI: 00:14.3 scanning... scan_lpc_bus for PCI: 00:14.3 PNP: 0c09.0 enabled scan_lpc_bus for PCI: 00:14.3 done scan_bus: scanning of bus PCI: 00:14.3 took 9954 usecs POST: 0x55 scan_bus: scanning of bus DOMAIN: 0000 took 315088 usecs MMIO: fedc2000 scanning... scan_generic_bus for MMIO: fedc2000 bus: MMIO: fedc2000[0]->GENERIC: 0.0 enabled bus: MMIO: fedc2000[0]->I2C: 01:1a enabled bus: MMIO: fedc2000[0]->GENERIC: 0.1 enabled scan_generic_bus for MMIO: fedc2000 done scan_bus: scanning of bus MMIO: fedc2000 took 21227 usecs MMIO: fedc3000 scanning... scan_generic_bus for MMIO: fedc3000 bus: MMIO: fedc3000[0]->I2C: 02:50 enabled scan_generic_bus for MMIO: fedc3000 done scan_bus: scanning of bus MMIO: fedc3000 took 13155 usecs MMIO: fedc4000 scanning... scan_generic_bus for MMIO: fedc4000 bus: MMIO: fedc4000[0]->I2C: 03:15 enabled scan_generic_bus for MMIO: fedc4000 done scan_bus: scanning of bus MMIO: fedc4000 took 13161 usecs MMIO: fedc5000 scanning... scan_generic_bus for MMIO: fedc5000 bus: MMIO: fedc5000[0]->I2C: 04:39 enabled bus: MMIO: fedc5000[0]->I2C: 04:10 enabled scan_generic_bus for MMIO: fedc5000 done scan_bus: scanning of bus MMIO: fedc5000 took 16980 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 426232 usecs done BS: BS_DEV_ENUMERATE times (us): entry 0 run 631204 exit 0 POST: 0x73 found VGA at PCI: 00:01.0 Setting up VGA for PCI: 00:01.0 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: 00:02.2 read_resources bus 1 link: 0 PCI: 00:02.2 read_resources bus 1 link: 0 done PCI: 00:02.4 read_resources bus 2 link: 0 PCI: 00:02.4 read_resources bus 2 link: 0 done PCI: 00:14.3 read_resources bus 0 link: 0 PCI: 00:14.3 read_resources bus 0 link: 0 done Adding PCIe enhanced config space BAR 0xf8000000-0xfc000000. DOMAIN: 0000 read_resources bus 0 link: 0 done MMIO: fedc2000 read_resources bus 1 link: 0 MMIO: fedc2000 read_resources bus 1 link: 0 done MMIO: fedc3000 read_resources bus 2 link: 0 MMIO: fedc3000 read_resources bus 2 link: 0 done MMIO: fedc4000 read_resources bus 3 link: 0 MMIO: fedc4000 read_resources bus 3 link: 0 done MMIO: fedc5000 read_resources bus 4 link: 0 MMIO: fedc5000 read_resources bus 4 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: 10 APIC: 10 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: 00:00.2 PCI: 00:01.0 PCI: 00:01.0 resource base 0 size 4000000 align 26 gran 26 limit ffffffffffffffff flags 1201 index 10 PCI: 00:01.0 resource base 0 size 800000 align 23 gran 23 limit ffffffffffffffff flags 1201 index 18 PCI: 00:01.0 resource base 0 size 100 align 8 gran 8 limit ffff flags 100 index 20 PCI: 00:01.0 resource base 0 size 40000 align 18 gran 18 limit ffffffff flags 200 index 24 PCI: 00:01.0 resource base 0 size 20000 align 17 gran 17 limit ffffffff flags 2200 index 30 PCI: 00:01.1 PCI: 00:01.1 resource base 0 size 4000 align 14 gran 14 limit ffffffffffffffff flags 201 index 10 PCI: 00:02.0 PCI: 00:02.1 PCI: 00:02.2 child on link 0 PCI: 01:00.0 PCI: 00:02.2 resource base 0 size 0 align 12 gran 12 limit ffffffff flags 80102 index 1c PCI: 00:02.2 resource base 0 size 0 align 20 gran 20 limit ffffffffffffffff flags 81202 index 24 PCI: 00:02.2 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 200000 align 21 gran 21 limit ffffffffffffffff flags 201 index 10 PCI: 00:02.3 PCI: 00:02.4 child on link 0 PCI: 02:00.0 PCI: 00:02.4 resource base 0 size 0 align 12 gran 12 limit ffffffff flags 80102 index 1c PCI: 00:02.4 resource base 0 size 0 align 20 gran 20 limit ffffffffffffffff flags 81202 index 24 PCI: 00:02.4 resource base 0 size 0 align 20 gran 20 limit ffffffff flags 80202 index 20 PCI: 02:00.0 PCI: 02:00.0 resource base 0 size 1000 align 12 gran 12 limit ffffffff flags 200 index 10 PCI: 02:00.0 resource base 0 size 800 align 12 gran 11 limit ffffffff flags 200 index 14 PCI: 00:02.5 PCI: 00:03.0 PCI: 00:08.0 PCI: 00:08.0 resource base 0 size 20000 align 17 gran 17 limit ffffffffffffffff flags 1201 index 10 PCI: 00:08.0 resource base 0 size 100000 align 20 gran 20 limit ffffffff flags 200 index 18 PCI: 00:08.0 resource base 0 size 1000 align 12 gran 12 limit ffffffff flags 200 index 1c PCI: 00:08.0 resource base 0 size 100000 align 20 gran 20 limit ffffffff flags 200 index 20 PCI: 00:08.0 resource base 0 size 2000 align 13 gran 13 limit ffffffff flags 200 index 24 PCI: 00:09.0 PCI: 00:09.2 PCI: 00:10.0 PCI: 00:10.0 resource base 0 size 2000 align 13 gran 13 limit ffffffffffffffff flags 201 index 10 PCI: 00:11.0 PCI: 00:12.0 PCI: 00:12.0 resource base 0 size 100 align 12 gran 8 limit ffffffff flags 200 index 10 PCI: 00:14.0 PCI: 00:14.3 child on link 0 PNP: 0c09.0 PCI: 00:14.3 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0040100 index 10000000 PCI: 00:14.3 resource base ff000000 size 1000000 align 0 gran 0 limit 0 flags c0040200 index 10000100 PCI: 00:14.3 resource base fec10000 size 400 align 0 gran 0 limit 0 flags e0040200 index 2 PCI: 00:14.3 resource base fec00000 size 1000 align 0 gran 0 limit 0 flags c0000200 index 3 PCI: 00:14.3 resource base fedc2000 size 4000 align 0 gran 0 limit 0 flags c0000200 index 4 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:14.7 PCI: 00:14.7 resource base 0 size 100 align 12 gran 8 limit ffffffffffffffff flags 201 index 10 PCI: 00:18.0 PCI: 00:18.0 resource base f8000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index c0010058 PCI: 00:18.0 resource base fec20000 size 1000 align 0 gran 0 limit 0 flags c0000200 index fec20000 PCI: 00:18.1 PCI: 00:18.2 PCI: 00:18.3 PCI: 00:18.4 PCI: 00:18.5 MMIO: fedc2000 child on link 0 GENERIC: 0.0 GENERIC: 0.0 I2C: 01:1a GENERIC: 0.1 MMIO: fedc3000 child on link 0 I2C: 02:50 I2C: 02:50 MMIO: fedc4000 child on link 0 I2C: 03:15 I2C: 03:15 MMIO: fedc5000 child on link 0 I2C: 04:39 I2C: 04:39 I2C: 04:10 DOMAIN: 0000 io: base: 0 size: 0 align: 0 gran: 0 limit: ffff PCI: 00:02.2 io: base: 0 size: 0 align: 12 gran: 12 limit: ffffffff PCI: 00:02.2 io: base: 0 size: 0 align: 12 gran: 12 limit: ffffffff done PCI: 00:02.4 io: base: 0 size: 0 align: 12 gran: 12 limit: ffffffff PCI: 00:02.4 io: base: 0 size: 0 align: 12 gran: 12 limit: ffffffff done PCI: 00:01.0 20 * [0x0 - 0xff] io DOMAIN: 0000 io: base: 100 size: 100 align: 8 gran: 0 limit: ffff done DOMAIN: 0000 mem: base: 0 size: 0 align: 0 gran: 0 limit: ffffffff PCI: 00:02.2 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff PCI: 00:02.2 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff done PCI: 00:02.2 mem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffff PCI: 01:00.0 10 * [0x0 - 0x1fffff] mem PCI: 00:02.2 mem: base: 200000 size: 200000 align: 21 gran: 20 limit: ffffffff done PCI: 00:02.4 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff PCI: 00:02.4 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff done PCI: 00:02.4 mem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffff PCI: 02:00.0 10 * [0x0 - 0xfff] mem PCI: 02:00.0 14 * [0x1000 - 0x17ff] mem PCI: 00:02.4 mem: base: 1800 size: 100000 align: 20 gran: 20 limit: ffffffff done PCI: 00:01.0 10 * [0x0 - 0x3ffffff] prefmem PCI: 00:01.0 18 * [0x4000000 - 0x47fffff] prefmem PCI: 00:02.2 20 * [0x4800000 - 0x49fffff] mem PCI: 00:02.4 20 * [0x4a00000 - 0x4afffff] mem PCI: 00:08.0 18 * [0x4b00000 - 0x4bfffff] mem PCI: 00:08.0 20 * [0x4c00000 - 0x4cfffff] mem PCI: 00:01.0 24 * [0x4d00000 - 0x4d3ffff] mem PCI: 00:01.0 30 * [0x4d40000 - 0x4d5ffff] mem PCI: 00:08.0 10 * [0x4d60000 - 0x4d7ffff] prefmem PCI: 00:01.1 10 * [0x4d80000 - 0x4d83fff] mem PCI: 00:08.0 24 * [0x4d84000 - 0x4d85fff] mem PCI: 00:10.0 10 * [0x4d86000 - 0x4d87fff] mem PCI: 00:08.0 1c * [0x4d88000 - 0x4d88fff] mem PCI: 00:12.0 10 * [0x4d89000 - 0x4d890ff] mem PCI: 00:14.7 10 * [0x4d8a000 - 0x4d8a0ff] mem DOMAIN: 0000 mem: base: 4d8a100 size: 4d8a100 align: 26 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: 00:14.3 10000000 base 00000000 limit 00000fff io (fixed) constrain_resources: PCI: 00:14.3 10000100 base ff000000 limit ffffffff mem (fixed) constrain_resources: PCI: 00:14.3 02 base fec10000 limit fec103ff mem (fixed) constrain_resources: PCI: 00:14.3 03 base fec00000 limit fec00fff mem (fixed) constrain_resources: PCI: 00:18.0 c0010058 base f8000000 limit fbffffff mem (fixed) avoid_fixed_resources:@DOMAIN: 0000 10000000 base 00001000 limit 0000ffff avoid_fixed_resources:@DOMAIN: 0000 10000100 base f0000000 limit f7ffffff Setting resources... DOMAIN: 0000 io: base:1000 size:100 align:8 gran:0 limit:ffff PCI: 00:01.0 20 * [0x1000 - 0x10ff] io DOMAIN: 0000 io: next_base: 1100 size: 100 align: 8 gran: 0 done PCI: 00:02.2 io: base:ffff size:0 align:12 gran:12 limit:ffff PCI: 00:02.2 io: next_base: ffff size: 0 align: 12 gran: 12 done PCI: 00:02.4 io: base:ffff size:0 align:12 gran:12 limit:ffff PCI: 00:02.4 io: next_base: ffff size: 0 align: 12 gran: 12 done DOMAIN: 0000 mem: base:f0000000 size:4d8a100 align:26 gran:0 limit:f7ffffff PCI: 00:01.0 10 * [0xf0000000 - 0xf3ffffff] prefmem PCI: 00:01.0 18 * [0xf4000000 - 0xf47fffff] prefmem PCI: 00:02.2 20 * [0xf4800000 - 0xf49fffff] mem PCI: 00:02.4 20 * [0xf4a00000 - 0xf4afffff] mem PCI: 00:08.0 18 * [0xf4b00000 - 0xf4bfffff] mem PCI: 00:08.0 20 * [0xf4c00000 - 0xf4cfffff] mem PCI: 00:01.0 24 * [0xf4d00000 - 0xf4d3ffff] mem PCI: 00:01.0 30 * [0xf4d40000 - 0xf4d5ffff] mem PCI: 00:08.0 10 * [0xf4d60000 - 0xf4d7ffff] prefmem PCI: 00:01.1 10 * [0xf4d80000 - 0xf4d83fff] mem PCI: 00:08.0 24 * [0xf4d84000 - 0xf4d85fff] mem PCI: 00:10.0 10 * [0xf4d86000 - 0xf4d87fff] mem PCI: 00:08.0 1c * [0xf4d88000 - 0xf4d88fff] mem PCI: 00:12.0 10 * [0xf4d89000 - 0xf4d890ff] mem PCI: 00:14.7 10 * [0xf4d8a000 - 0xf4d8a0ff] mem DOMAIN: 0000 mem: next_base: f4d8a100 size: 4d8a100 align: 26 gran: 0 done PCI: 00:02.2 prefmem: base:f7ffffff size:0 align:20 gran:20 limit:f7ffffff PCI: 00:02.2 prefmem: next_base: f7ffffff size: 0 align: 20 gran: 20 done PCI: 00:02.2 mem: base:f4800000 size:200000 align:21 gran:20 limit:f49fffff PCI: 01:00.0 10 * [0xf4800000 - 0xf49fffff] mem PCI: 00:02.2 mem: next_base: f4a00000 size: 200000 align: 21 gran: 20 done PCI: 00:02.4 prefmem: base:f7ffffff size:0 align:20 gran:20 limit:f7ffffff PCI: 00:02.4 prefmem: next_base: f7ffffff size: 0 align: 20 gran: 20 done PCI: 00:02.4 mem: base:f4a00000 size:100000 align:20 gran:20 limit:f4afffff PCI: 02:00.0 10 * [0xf4a00000 - 0xf4a00fff] mem PCI: 02:00.0 14 * [0xf4a01000 - 0xf4a017ff] mem PCI: 00:02.4 mem: next_base: f4a01800 size: 100000 align: 20 gran: 20 done Root Device assign_resources, bus 0 link: 0 DOMAIN: 0000 assign_resources, bus 0 link: 0 PCI: 00:01.0 10 <- [0x00f0000000 - 0x00f3ffffff] size 0x04000000 gran 0x1a prefmem64 PCI: 00:01.0 18 <- [0x00f4000000 - 0x00f47fffff] size 0x00800000 gran 0x17 prefmem64 PCI: 00:01.0 20 <- [0x0000001000 - 0x00000010ff] size 0x00000100 gran 0x08 io PCI: 00:01.0 24 <- [0x00f4d00000 - 0x00f4d3ffff] size 0x00040000 gran 0x12 mem PCI: 00:01.0 30 <- [0x00f4d40000 - 0x00f4d5ffff] size 0x00020000 gran 0x11 romem PCI: 00:01.1 10 <- [0x00f4d80000 - 0x00f4d83fff] size 0x00004000 gran 0x0e mem64 PCI: 00:02.2 1c <- [0x000000ffff - 0x000000fffe] size 0x00000000 gran 0x0c bus 01 io PCI: 00:02.2 24 <- [0x00f7ffffff - 0x00f7fffffe] size 0x00000000 gran 0x14 bus 01 prefmem PCI: 00:02.2 20 <- [0x00f4800000 - 0x00f49fffff] size 0x00200000 gran 0x14 bus 01 mem PCI: 00:02.2 assign_resources, bus 1 link: 0 PCI: 01:00.0 10 <- [0x00f4800000 - 0x00f49fffff] size 0x00200000 gran 0x15 mem64 PCI: 00:02.2 assign_resources, bus 1 link: 0 PCI: 00:02.4 1c <- [0x000000ffff - 0x000000fffe] size 0x00000000 gran 0x0c bus 02 io PCI: 00:02.4 24 <- [0x00f7ffffff - 0x00f7fffffe] size 0x00000000 gran 0x14 bus 02 prefmem PCI: 00:02.4 20 <- [0x00f4a00000 - 0x00f4afffff] size 0x00100000 gran 0x14 bus 02 mem PCI: 00:02.4 assign_resources, bus 2 link: 0 PCI: 02:00.0 10 <- [0x00f4a00000 - 0x00f4a00fff] size 0x00001000 gran 0x0c mem PCI: 02:00.0 14 <- [0x00f4a01000 - 0x00f4a017ff] size 0x00000800 gran 0x0b mem PCI: 00:02.4 assign_resources, bus 2 link: 0 PCI: 00:08.0 10 <- [0x00f4d60000 - 0x00f4d7ffff] size 0x00020000 gran 0x11 prefmem64 PCI: 00:08.0 18 <- [0x00f4b00000 - 0x00f4bfffff] size 0x00100000 gran 0x14 mem PCI: 00:08.0 1c <- [0x00f4d88000 - 0x00f4d88fff] size 0x00001000 gran 0x0c mem PCI: 00:08.0 20 <- [0x00f4c00000 - 0x00f4cfffff] size 0x00100000 gran 0x14 mem PCI: 00:08.0 24 <- [0x00f4d84000 - 0x00f4d85fff] size 0x00002000 gran 0x0d mem PCI: 00:10.0 10 <- [0x00f4d86000 - 0x00f4d87fff] size 0x00002000 gran 0x0d mem64 PCI: 00:12.0 10 <- [0x00f4d89000 - 0x00f4d890ff] size 0x00000100 gran 0x08 mem PCI: 00:14.3 assign_resources, bus 0 link: 0 PCI: 00:14.3 assign_resources, bus 0 link: 0 PCI: 00:14.7 10 <- [0x00f4d8a000 - 0x00f4d8a0ff] size 0x00000100 gran 0x08 mem64 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: 10 APIC: 10 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 1000 size 100 align 8 gran 0 limit ffff flags 40040100 index 10000000 DOMAIN: 0000 resource base f0000000 size 4d8a100 align 26 gran 0 limit f7ffffff flags 40040200 index 10000100 DOMAIN: 0000 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 10 DOMAIN: 0000 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index 11 DOMAIN: 0000 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index 12 DOMAIN: 0000 resource base 100000 size cdf00000 align 0 gran 0 limit 0 flags e0004200 index 13 DOMAIN: 0000 resource base ce000000 size 2000000 align 0 gran 0 limit 0 flags f0004200 index 14 DOMAIN: 0000 resource base 100000000 size 2f000000 align 0 gran 0 limit 0 flags e0004200 index 15 PCI: 00:00.0 PCI: 00:00.2 PCI: 00:01.0 PCI: 00:01.0 resource base f0000000 size 4000000 align 26 gran 26 limit f3ffffff flags 60001201 index 10 PCI: 00:01.0 resource base f4000000 size 800000 align 23 gran 23 limit f47fffff flags 60001201 index 18 PCI: 00:01.0 resource base 1000 size 100 align 8 gran 8 limit 10ff flags 60000100 index 20 PCI: 00:01.0 resource base f4d00000 size 40000 align 18 gran 18 limit f4d3ffff flags 60000200 index 24 PCI: 00:01.0 resource base f4d40000 size 20000 align 17 gran 17 limit f4d5ffff flags 60002200 index 30 PCI: 00:01.1 PCI: 00:01.1 resource base f4d80000 size 4000 align 14 gran 14 limit f4d83fff flags 60000201 index 10 PCI: 00:02.0 PCI: 00:02.1 PCI: 00:02.2 child on link 0 PCI: 01:00.0 PCI: 00:02.2 resource base ffff size 0 align 12 gran 12 limit ffff flags 60080102 index 1c PCI: 00:02.2 resource base f7ffffff size 0 align 20 gran 20 limit f7ffffff flags 60081202 index 24 PCI: 00:02.2 resource base f4800000 size 200000 align 21 gran 20 limit f49fffff flags 60080202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base f4800000 size 200000 align 21 gran 21 limit f49fffff flags 60000201 index 10 PCI: 00:02.3 PCI: 00:02.4 child on link 0 PCI: 02:00.0 PCI: 00:02.4 resource base ffff size 0 align 12 gran 12 limit ffff flags 60080102 index 1c PCI: 00:02.4 resource base f7ffffff size 0 align 20 gran 20 limit f7ffffff flags 60081202 index 24 PCI: 00:02.4 resource base f4a00000 size 100000 align 20 gran 20 limit f4afffff flags 60080202 index 20 PCI: 02:00.0 PCI: 02:00.0 resource base f4a00000 size 1000 align 12 gran 12 limit f4a00fff flags 60000200 index 10 PCI: 02:00.0 resource base f4a01000 size 800 align 12 gran 11 limit f4a017ff flags 60000200 index 14 PCI: 00:02.5 PCI: 00:03.0 PCI: 00:08.0 PCI: 00:08.0 resource base f4d60000 size 20000 align 17 gran 17 limit f4d7ffff flags 60001201 index 10 PCI: 00:08.0 resource base f4b00000 size 100000 align 20 gran 20 limit f4bfffff flags 60000200 index 18 PCI: 00:08.0 resource base f4d88000 size 1000 align 12 gran 12 limit f4d88fff flags 60000200 index 1c PCI: 00:08.0 resource base f4c00000 size 100000 align 20 gran 20 limit f4cfffff flags 60000200 index 20 PCI: 00:08.0 resource base f4d84000 size 2000 align 13 gran 13 limit f4d85fff flags 60000200 index 24 PCI: 00:09.0 PCI: 00:09.2 PCI: 00:10.0 PCI: 00:10.0 resource base f4d86000 size 2000 align 13 gran 13 limit f4d87fff flags 60000201 index 10 PCI: 00:11.0 PCI: 00:12.0 PCI: 00:12.0 resource base f4d89000 size 100 align 12 gran 8 limit f4d890ff flags 60000200 index 10 PCI: 00:14.0 PCI: 00:14.3 child on link 0 PNP: 0c09.0 PCI: 00:14.3 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0040100 index 10000000 PCI: 00:14.3 resource base ff000000 size 1000000 align 0 gran 0 limit 0 flags c0040200 index 10000100 PCI: 00:14.3 resource base fec10000 size 400 align 0 gran 0 limit 0 flags e0040200 index 2 PCI: 00:14.3 resource base fec00000 size 1000 align 0 gran 0 limit 0 flags c0000200 index 3 PCI: 00:14.3 resource base fedc2000 size 4000 align 0 gran 0 limit 0 flags c0000200 index 4 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:14.7 PCI: 00:14.7 resource base f4d8a000 size 100 align 12 gran 8 limit f4d8a0ff flags 60000201 index 10 PCI: 00:18.0 PCI: 00:18.0 resource base f8000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index c0010058 PCI: 00:18.0 resource base fec20000 size 1000 align 0 gran 0 limit 0 flags c0000200 index fec20000 PCI: 00:18.1 PCI: 00:18.2 PCI: 00:18.3 PCI: 00:18.4 PCI: 00:18.5 MMIO: fedc2000 child on link 0 GENERIC: 0.0 GENERIC: 0.0 I2C: 01:1a GENERIC: 0.1 MMIO: fedc3000 child on link 0 I2C: 02:50 I2C: 02:50 MMIO: fedc4000 child on link 0 I2C: 03:15 I2C: 03:15 MMIO: fedc5000 child on link 0 I2C: 04:39 I2C: 04:39 I2C: 04:10 Done allocating resources. BS: BS_DEV_RESOURCES times (us): entry 0 run 1563867 exit 0 PCI_INTR tables: Writing registers C00/C01 for PCI IRQ routing: PCI_INTR_INDEX name PIC mode APIC mode 0x00 INTA# 0x03 0x10 0x01 INTB# 0x04 0x11 0x02 INTC# 0x05 0x12 0x03 INTD# 0x07 0x13 0x04 INTE# 0x0B 0x14 0x05 INTF# 0x1F 0x1F 0x06 INTG# 0x1F 0x16 0x07 INTH# 0x1F 0x17 0x08 Misc 0xFA 0x00 0x09 Misc0 0xF1 0x00 0x0A Misc1 0x00 0x00 0x0B Misc2 0x00 0x00 0x0C Ser IRQ INTA 0x1F 0x1F 0x0D Ser IRQ INTB 0x1F 0x1F 0x0E Ser IRQ INTC 0x1F 0x1F 0x0F Ser IRQ INTD 0x1F 0x1F 0x10 SCI 0x09 0x09 0x11 SMBUS 0x1F 0x1F 0x12 ASF 0x1F 0x1F 0x13 HDA 0x03 0x10 0x14 FC 0x1F 0x1F 0x16 PerMon 0x1F 0x1F 0x17 SD 0x03 0x10 0x1A SDIOt 0x00 0x1F 0x30 EHCI 0x05 0x12 0x34 XHCI 0x04 0x12 0x41 SATA 0x07 0x13 0x62 GPIO 0x07 0x07 0x70 I2C0 0x03 0x03 0x71 I2C1 0x0F 0x0F 0x72 I2C2 0x06 0x06 0x73 I2C3 0x0E 0x0E 0x74 UART0 0x0A 0x0A 0x75 UART1 0x0B 0x0B PCI_CFG IRQ: Write PCI config space IRQ assignments PCI IRQ: Found device 0:01.00 using PIN A PCI Devfn (0x8) not found in pirq_data table PCI IRQ: Found device 0:01.01 using PIN B Found this device in pirq_data table entry 5 Orig INT_PIN : 2 (PIN B) PCI_INTR idx : 0x13 (HDA) INT_LINE : 0x3 (IRQ 3) PCI IRQ: Found device 0:02.02 using PIN A Found this device in pirq_data table entry 1 Orig INT_PIN : 1 (PIN A) PCI_INTR idx : 0x01 (INTB#) INT_LINE : 0x4 (IRQ 4) PCI IRQ: Found device 0:02.04 using PIN A Found this device in pirq_data table entry 3 Orig INT_PIN : 1 (PIN A) PCI_INTR idx : 0x03 (INTD#) INT_LINE : 0x7 (IRQ 7) PCI IRQ: Found device 0:08.00 using PIN A PCI Devfn (0x40) not found in pirq_data table PCI IRQ: Found device 0:10.00 using PIN A Found this device in pirq_data table entry 10 Orig INT_PIN : 1 (PIN A) PCI_INTR idx : 0x34 (XHCI) INT_LINE : 0x4 (IRQ 4) PCI IRQ: Found device 0:12.00 using PIN A Found this device in pirq_data table entry 9 Orig INT_PIN : 1 (PIN A) PCI_INTR idx : 0x30 (EHCI) INT_LINE : 0x5 (IRQ 5) PCI IRQ: Found device 0:14.07 using PIN A Found this device in pirq_data table entry 6 Orig INT_PIN : 1 (PIN A) PCI_INTR idx : 0x17 (SD) INT_LINE : 0x3 (IRQ 3) PCI IRQ: Found device 2:00.00 using PIN A With INT_PIN swizzled to PIN A Attached to bridge device 0:02h.04h Found this device in pirq_data table entry 3 Orig INT_PIN : 1 (PIN A) PCI_INTR idx : 0x03 (INTD#) INT_LINE : 0x7 (IRQ 7) PCI IRQ: Found device 1:00.00 using PIN A With INT_PIN swizzled to PIN A Attached to bridge device 0:02h.02h Found this device in pirq_data table entry 1 Orig INT_PIN : 1 (PIN A) PCI_INTR idx : 0x01 (INTB#) INT_LINE : 0x4 (IRQ 4) PCI_CFG IRQ: Finished writing PCI config space IRQ assignments POST: 0x74 Enabling resources... agesawrapper_amdinitmid() entry agesawrapper_amdinitmid() returned AGESA_SUCCESS PCI: 00:00.0 subsystem <- 1022/1576 PCI: 00:00.0 cmd <- 04 PCI: 00:01.0 subsystem <- 1002/98e4 PCI: 00:01.0 cmd <- 07 PCI: 00:01.1 subsystem <- 1002/15b3 PCI: 00:01.1 cmd <- 02 PCI: 00:02.0 subsystem <- 1022/157b PCI: 00:02.0 cmd <- 00 PCI: 00:02.2 bridge ctrl <- 0003 PCI: 00:02.2 cmd <- 06 PCI: 00:02.4 bridge ctrl <- 0003 PCI: 00:02.4 cmd <- 06 PCI: 00:03.0 cmd <- 00 PCI: 00:08.0 subsystem <- 1022/1578 PCI: 00:08.0 cmd <- 06 PCI: 00:09.0 subsystem <- 1022/157d PCI: 00:09.0 cmd <- 00 PCI: 00:10.0 subsystem <- 1022/7914 PCI: 00:10.0 cmd <- 02 PCI: 00:12.0 subsystem <- 1022/7908 PCI: 00:12.0 cmd <- 02 PCI: 00:14.0 subsystem <- 1022/790b PCI: 00:14.0 cmd <- 403 PCI: 00:14.3 subsystem <- 1022/790e PCI: 00:14.3 cmd <- 0f Southbridge LPC decode:PNP: 0c09.0, base=0x00000800, end=0x000009fe Covered by wideIO 0 PCI: 00:14.7 subsystem <- 1022/7906 PCI: 00:14.7 cmd <- 06 PCI: 00:18.0 cmd <- 00 PCI: 00:18.1 subsystem <- 1022/15b1 PCI: 00:18.1 cmd <- 00 PCI: 00:18.2 subsystem <- 1022/15b2 PCI: 00:18.2 cmd <- 00 PCI: 00:18.3 subsystem <- 1022/15b3 PCI: 00:18.3 cmd <- 00 PCI: 00:18.4 subsystem <- 1022/15b4 PCI: 00:18.4 cmd <- 00 PCI: 00:18.5 subsystem <- 1022/15b5 PCI: 00:18.5 cmd <- 00 PCI: 01:00.0 cmd <- 02 PCI: 02:00.0 subsystem <- 1217/8620 PCI: 02:00.0 cmd <- 06 done. BS: BS_DEV_ENABLE times (us): entry 279570 run 130704 exit 0 POST: 0x75 Initializing devices... Root Device init ... Root Device init finished in 1948 usecs POST: 0x75 CPU_CLUSTER: 0 init ... MTRR: Physical address space: 0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6 0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0 0x00000000000c0000 - 0x00000000d0000000 size 0xcff40000 type 6 0x00000000d0000000 - 0x00000000f0000000 size 0x20000000 type 0 0x00000000f0000000 - 0x00000000f4800000 size 0x04800000 type 1 0x00000000f4800000 - 0x0000000100000000 size 0x0b800000 type 0 0x0000000100000000 - 0x000000012f000000 size 0x2f000000 type 6 MTRR: Fixed MSR 0x250 0x1e1e1e1e1e1e1e1e MTRR: Fixed MSR 0x258 0x1e1e1e1e1e1e1e1e MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x1e1e1e1e1e1e1e1e MTRR: Fixed MSR 0x269 0x1e1e1e1e1e1e1e1e MTRR: Fixed MSR 0x26a 0x1e1e1e1e1e1e1e1e MTRR: Fixed MSR 0x26b 0x1e1e1e1e1e1e1e1e MTRR: Fixed MSR 0x26c 0x1e1e1e1e1e1e1e1e MTRR: Fixed MSR 0x26d 0x1e1e1e1e1e1e1e1e MTRR: Fixed MSR 0x26e 0x1e1e1e1e1e1e1e1e MTRR: Fixed MSR 0x26f 0x1e1e1e1e1e1e1e1e call enable_fixed_mtrr() CPU physical address size: 48 bits MTRR: default type WB/UC MTRR counts: 8/6. MTRR: UC selected as default type. MTRR: 0 base 0x0000000000000000 mask 0x0000ffff80000000 type 6 MTRR: 1 base 0x0000000080000000 mask 0x0000ffffc0000000 type 6 MTRR: 2 base 0x00000000c0000000 mask 0x0000fffff0000000 type 6 MTRR: 3 base 0x00000000f0000000 mask 0x0000fffffc000000 type 1 MTRR: 4 base 0x00000000f4000000 mask 0x0000ffffff800000 type 1 MTRR: 5 base 0x0000000100000000 mask 0x0000ffffc0000000 type 6 MTRR check Fixed MTRRs : Enabled Variable MTRRs: Enabled POST: 0x93 Will perform SMM setup. CPU: AMD A4-9120C RADEON R4, 5 COMPUTE CORES 2C+3G . Loading module at 00030000 with entry 00030000. filesize: 0x170 memsize: 0x170 Processing 16 relocs. Offset value of 0x00030000 Attempting to start 1 APs Waiting for 10ms after sending INIT. Waiting for 1st SIPI to complete...AP: slot 1 apic_id 11. done. Waiting for 2nd SIPI to complete...done. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call cdeb995b(00000000) Installing SMM handler to 0xce800000 Loading module at ce810000 with entry ce81142b. filesize: 0x6c98 memsize: 0xad18 Processing 481 relocs. Offset value of 0xce810000 Loading module at ce808000 with entry ce808000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0xce808000 SMM Module: placing jmp sequence at ce807e00 rel16 0x01fd SMM Module: stub loaded at ce808000. Will call ce81142b(00000000) New SMBASE 0xce800000 Relocation complete. New SMBASE 0xce7ffe00 Relocation complete. Initializing CPU #0 CPU: vendor AMD device 670f00 CPU: family 15, model 70, stepping 00 Setting up local APIC... apic_id: 0x10 done. CPU #0 initialized Initializing CPU #1 CPU: vendor AMD device 670f00 CPU: family 15, model 70, stepping 00 Setting up local APIC... apic_id: 0x11 done. CPU #1 initialized bsp_do_flight_plan done after 91 msecs. MTRR: TEMPORARY Physical address space: 0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6 0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0 0x00000000000c0000 - 0x00000000d0000000 size 0xcff40000 type 6 0x00000000d0000000 - 0x00000000ff000000 size 0x2f000000 type 0 0x00000000ff000000 - 0x0000000100000000 size 0x01000000 type 5 0x0000000100000000 - 0x000000012f000000 size 0x2f000000 type 6 MTRR: default type WB/UC MTRR counts: 7/5. MTRR: UC selected as default type. MTRR: 0 base 0x0000000000000000 mask 0x0000ffff80000000 type 6 MTRR: 1 base 0x0000000080000000 mask 0x0000ffffc0000000 type 6 MTRR: 2 base 0x00000000c0000000 mask 0x0000fffff0000000 type 6 MTRR: 3 base 0x00000000ff000000 mask 0x0000ffffff000000 type 5 MTRR: 4 base 0x0000000100000000 mask 0x0000ffffc0000000 type 6 CPU_CLUSTER: 0 init finished in 346104 usecs POST: 0x75 POST: 0x75 POST: 0x75 POST: 0x75 POST: 0x75 POST: 0x75 POST: 0x75 POST: 0x75 PCI: 00:00.0 init ... PCI: 00:00.0 init finished in 2003 usecs POST: 0x75 POST: 0x75 PCI: 00:01.0 init ... CBFS: 'Master Header Locator' located CBFS at [df0000:ffffc0) CBFS: Locating 'pci1002,98e4.rom' CBFS: Found @ offset 92c00 size fe00 Mapping PCI device 100298e4 to 100298e0 In CBFS, ROM address for PCI: 00:01.0 = ffe82c48 PCI expansion ROM, signature 0xaa55, INIT size 0xfe00, data ptr 0x01c0 PCI ROM image, vendor ID 1002, device ID 98e0, PCI ROM image, Class Code 030000, Code Type 00 Copying VGA ROM Image from ffe82c48 to 0xc0000, 0xfe00 bytes Real mode stub @00000600: 867 bytes Calling Option ROM... ... Option ROM returned. VBE: Getting information about VESA mode 41d2 VBE: resolution: 1366x768@16 VBE: framebuffer: f0000000 VBE: Setting VESA mode 41d2 VGA Option ROM was run PCI: 00:01.0 init finished in 108313 usecs POST: 0x75 PCI: 00:01.1 init ... PCI: 00:01.1 init finished in 2003 usecs POST: 0x75 PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2002 usecs POST: 0x75 POST: 0x75 POST: 0x75 POST: 0x75 POST: 0x75 POST: 0x75 PCI: 00:03.0 init ... PCI: 00:03.0 init finished in 2002 usecs POST: 0x75 PCI: 00:08.0 init ... PCI: 00:08.0 init finished in 2002 usecs POST: 0x75 PCI: 00:09.0 init ... PCI: 00:09.0 init finished in 2002 usecs POST: 0x75 POST: 0x75 PCI: 00:10.0 init ... PCI: 00:10.0 init finished in 2002 usecs POST: 0x75 POST: 0x75 PCI: 00:12.0 init ... PCI: 00:12.0 init finished in 2002 usecs POST: 0x75 PCI: 00:14.0 init ... IOAPIC: Initializing IOAPIC at 0xfec00000 IOAPIC: Bootstrap Processor Local APIC = 0x10 IOAPIC: ID = 0x04 IOAPIC: Dumping registers reg 0x0000: 0x04000000 reg 0x0001: 0x00178021 reg 0x0002: 0x04000000 IOAPIC: 24 interrupts IOAPIC: Enabling interrupts on FSB IOAPIC: reg 0x00000000 value 0x10000000 0x00000700 IOAPIC: reg 0x00000001 value 0x00000000 0x00010000 IOAPIC: reg 0x00000002 value 0x00000000 0x00010000 IOAPIC: reg 0x00000003 value 0x00000000 0x00010000 IOAPIC: reg 0x00000004 value 0x00000000 0x00010000 IOAPIC: reg 0x00000005 value 0x00000000 0x00010000 IOAPIC: reg 0x00000006 value 0x00000000 0x00010000 IOAPIC: reg 0x00000007 value 0x00000000 0x00010000 IOAPIC: reg 0x00000008 value 0x00000000 0x00010000 IOAPIC: reg 0x00000009 value 0x00000000 0x00010000 IOAPIC: reg 0x0000000a value 0x00000000 0x00010000 IOAPIC: reg 0x0000000b value 0x00000000 0x00010000 IOAPIC: reg 0x0000000c value 0x00000000 0x00010000 IOAPIC: reg 0x0000000d value 0x00000000 0x00010000 IOAPIC: reg 0x0000000e value 0x00000000 0x00010000 IOAPIC: reg 0x0000000f value 0x00000000 0x00010000 IOAPIC: reg 0x00000010 value 0x00000000 0x00010000 IOAPIC: reg 0x00000011 value 0x00000000 0x00010000 IOAPIC: reg 0x00000012 value 0x00000000 0x00010000 IOAPIC: reg 0x00000013 value 0x00000000 0x00010000 IOAPIC: reg 0x00000014 value 0x00000000 0x00010000 IOAPIC: reg 0x00000015 value 0x00000000 0x00010000 IOAPIC: reg 0x00000016 value 0x00000000 0x00010000 IOAPIC: reg 0x00000017 value 0x00000000 0x00010000 PCI: 00:14.0 init finished in 133956 usecs POST: 0x75 PCI: 00:14.3 init ... RTC Init PCI: 00:14.3 init finished in 2964 usecs POST: 0x75 PCI: 00:14.7 init ... PCI: 00:14.7 init finished in 2002 usecs POST: 0x75 PCI: 00:18.0 init ... IOAPIC: Initializing IOAPIC at 0xfec20000 IOAPIC: Bootstrap Processor Local APIC = 0x10 IOAPIC: ID = 0x05 IOAPIC: Dumping registers reg 0x0000: 0x05000000 reg 0x0001: 0x001f8021 reg 0x0002: 0x00000000 IOAPIC: 32 interrupts IOAPIC: Enabling interrupts on FSB IOAPIC: reg 0x00000000 value 0x10000000 0x00000700 IOAPIC: reg 0x00000001 value 0x00000000 0x00010000 IOAPIC: reg 0x00000002 value 0x00000000 0x00010000 IOAPIC: reg 0x00000003 value 0x00000000 0x00010000 IOAPIC: reg 0x00000004 value 0x00000000 0x00010000 IOAPIC: reg 0x00000005 value 0x00000000 0x00010000 IOAPIC: reg 0x00000006 value 0x00000000 0x00010000 IOAPIC: reg 0x00000007 value 0x00000000 0x00010000 IOAPIC: reg 0x00000008 value 0x00000000 0x00010000 IOAPIC: reg 0x00000009 value 0x00000000 0x00010000 IOAPIC: reg 0x0000000a value 0x00000000 0x00010000 IOAPIC: reg 0x0000000b value 0x00000000 0x00010000 IOAPIC: reg 0x0000000c value 0x00000000 0x00010000 IOAPIC: reg 0x0000000d value 0x00000000 0x00010000 IOAPIC: reg 0x0000000e value 0x00000000 0x00010000 IOAPIC: reg 0x0000000f value 0x00000000 0x00010000 IOAPIC: reg 0x00000010 value 0x00000000 0x00010000 IOAPIC: reg 0x00000011 value 0x00000000 0x00010000 IOAPIC: reg 0x00000012 value 0x00000000 0x00010000 IOAPIC: reg 0x00000013 value 0x00000000 0x00010000 IOAPIC: reg 0x00000014 value 0x00000000 0x00010000 IOAPIC: reg 0x00000015 value 0x00000000 0x00010000 IOAPIC: reg 0x00000016 value 0x00000000 0x00010000 IOAPIC: reg 0x00000017 value 0x00000000 0x00010000 IOAPIC: reg 0x00000018 value 0x00000000 0x00010000 IOAPIC: reg 0x00000019 value 0x00000000 0x00010000 IOAPIC: reg 0x0000001a value 0x00000000 0x00010000 IOAPIC: reg 0x0000001b value 0x00000000 0x00010000 IOAPIC: reg 0x0000001c value 0x00000000 0x00010000 IOAPIC: reg 0x0000001d value 0x00000000 0x00010000 IOAPIC: reg 0x0000001e value 0x00000000 0x00010000 IOAPIC: reg 0x0000001f value 0x00000000 0x00010000 PCI: 00:18.0 init finished in 170061 usecs POST: 0x75 PCI: 00:18.1 init ... PCI: 00:18.1 init finished in 2002 usecs POST: 0x75 PCI: 00:18.2 init ... PCI: 00:18.2 init finished in 2002 usecs POST: 0x75 PCI: 00:18.3 init ... PCI: 00:18.3 init finished in 2002 usecs POST: 0x75 PCI: 00:18.4 init ... PCI: 00:18.4 init finished in 2002 usecs POST: 0x75 PCI: 00:18.5 init ... PCI: 00:18.5 init finished in 2002 usecs POST: 0x75 PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2002 usecs POST: 0x75 PCI: 02:00.0 init ... BayHub BH720: Power-saving enabled (link_ctrl=0x110103) PCI: 02:00.0 init finished in 7127 usecs POST: 0x75 PNP: 0c09.0 init ... Google Chrome EC: Hello got back 11223344 status (0) Google Chrome EC: version: ro: careena_v2.0.11488-7215d6e0e4 rw: careena_v2.0.11488-7215d6e0e4 running image: 1 Google Chrome EC uptime: 5.800 seconds Google Chrome AP resets since EC boot: 0 Google Chrome most recent AP reset causes: Google Chrome EC reset flags at last EC boot: reset-pin PNP: 0c09.0 init finished in 37383 usecs POST: 0x75 POST: 0x75 POST: 0x75 POST: 0x75 POST: 0x75 POST: 0x75 POST: 0x75 Devices initialized Show all devs... After init. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 MMIO: fedc2000: enabled 1 MMIO: fedc3000: enabled 1 MMIO: fedc4000: enabled 1 MMIO: fedc5000: enabled 1 APIC: 10: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:00.2: enabled 0 PCI: 00:01.0: enabled 1 PCI: 00:01.1: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:02.1: enabled 0 PCI: 00:02.2: enabled 1 PCI: 00:02.3: enabled 0 PCI: 00:02.4: enabled 1 PCI: 00:02.5: enabled 0 PCI: 00:08.0: enabled 1 PCI: 00:09.0: enabled 1 PCI: 00:09.2: enabled 0 PCI: 00:10.0: enabled 1 PCI: 00:11.0: enabled 0 PCI: 00:12.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.3: enabled 1 PCI: 00:14.7: enabled 1 PCI: 00:18.0: enabled 1 PCI: 00:18.1: enabled 1 PCI: 00:18.2: enabled 1 PCI: 00:18.3: enabled 1 PCI: 00:18.4: enabled 1 PCI: 00:18.5: enabled 1 GENERIC: 0.0: enabled 1 I2C: 01:1a: enabled 1 GENERIC: 0.1: enabled 1 I2C: 02:50: enabled 1 I2C: 03:15: enabled 1 I2C: 04:39: enabled 1 I2C: 04:10: enabled 1 PCI: 02:00.0: enabled 1 PNP: 0c09.0: enabled 1 PCI: 00:03.0: enabled 1 PCI: 01:00.0: enabled 1 APIC: 11: enabled 1 BS: BS_DEV_INIT times (us): entry 0 run 1075423 exit 150 ELOG: Event(A1) added with size 10 at 2022-11-09 21:07:14 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2022-11-09 21:07:14 UTC elog_add_boot_reason: Logged dev mode boot POST: 0x76 Finalize devices... Devices finalized FMAP: area RW_NVRAM found @ 467000 (20480 bytes) agesawrapper_amdinitlate() entry DmiTable:cdfbd4a3, AcpiPstatein: cdfbc2b9, AcpiSrat:00000000,AcpiSlit:00000000, Mce:cdfbd327, Cmc:cdfbd3e9,Alib:cdfbe586, AcpiIvrs:00000000 in agesawrapper_amdinitlate agesawrapper_amdinitlate() returned AGESA_SUCCESS agesawrapper_amdinitrtb() entry agesawrapper_amdinitrtb() returned AGESA_SUCCESS BS: BS_POST_DEVICE times (us): entry 22174 run 4547 exit 38875 FMAP: area RW_MRC_CACHE found @ 0 (65536 bytes) MRC: Checking cached data update for 'RW_MRC_CACHE'. MRC: cache data 'RW_MRC_CACHE' needs update. ELOG: Event(AA) added with size 11 at 2022-11-09 21:07:14 UTC POST: 0x77 BS: BS_OS_RESUME_CHECK times (us): entry 30001 run 1061 exit 0 POST: 0x79 POST: 0x9c CBFS: 'Master Header Locator' located CBFS at [df0000:ffffc0) CBFS: Locating 'fallback/dsdt.aml' CBFS: Found @ offset a6cc0 size 3b94 CBFS: 'Master Header Locator' located CBFS at [df0000:ffffc0) CBFS: Locating 'fallback/slic' CBFS: 'fallback/slic' not found. ACPI: Writing ACPI tables at cde2e000. ACPI: * FACS ACPI: * DSDT Ramoops buffer: 0x100000@0xcdd2e000. ACPI: * FADT pm_base: 0x0400 ACPI: added table 1/32, length now 40 ACPI: * SSDT ACPI \_PR report 2 core(s) dw_i2c: bad counts. hcnt = -1 lcnt = 9 dw_i2c: bad counts. hcnt = -1 lcnt = 13 dw_i2c: bad counts. hcnt = -13 lcnt = 11 dw_i2c: bad counts. hcnt = -7 lcnt = 16 CBFS: 'Master Header Locator' located CBFS at [df0000:ffffc0) CBFS: Locating 'pci1002,98e4.rom' CBFS: Found @ offset 92c00 size fe00 Mapping PCI device 100298e4 to 100298e0 In CBFS, ROM address for PCI: 00:01.0 = ffe82c48 PCI expansion ROM, signature 0xaa55, INIT size 0xfe00, data ptr 0x01c0 PCI ROM image, vendor ID 1002, device ID 98e0, PCI ROM image, Class Code 030000, Code Type 00 \_SB.I2CA.ADAU: Analog Digital DMIC \_SB.I2CA.DLG7: Dialog Semiconductor DA7219 Audio Codec address 01ah irq 0 \_SB.I2CA.MAXM: Maxim Integrated 98357A Amplifier \_SB.I2CB.TPMI: I2C TPM at I2C: 02:50 \_SB.I2CC.D015: ELAN Touchpad at I2C: 03:15 \_SB.I2CD.D039: Raydium Touchscreen at I2C: 04:39 \_SB.I2CD.D010: ELAN Touchscreen at I2C: 04:10 ACPI: added table 2/32, length now 44 ACPI: * MCFG ACPI: added table 3/32, length now 48 ACPI: * TCPA TCPA log created at cdd0e000 ACPI: added table 4/32, length now 52 ACPI: * MADT ACPI: added table 5/32, length now 56 current = cde32e10 CBFS: 'Master Header Locator' located CBFS at [df0000:ffffc0) CBFS: Locating 'pci1002,98e4.rom' CBFS: Found @ offset 92c00 size fe00 Mapping PCI device 100298e4 to 100298e0 In CBFS, ROM address for PCI: 00:01.0 = ffe82c48 PCI expansion ROM, signature 0xaa55, INIT size 0xfe00, data ptr 0x01c0 PCI ROM image, vendor ID 1002, device ID 98e0, PCI ROM image, Class Code 030000, Code Type 00 ACPI: * VFCT at cde32e10 Copying initialized VBIOS image from 000c0000 ACPI: added table 6/32, length now 60 ACPI: * HPET ACPI: added table 7/32, length now 64 ACPI: added table 8/32, length now 68 ACPI: * IVRS at cde42e90 AGESA IVRS table NULL. Skipping. ACPI: * SRAT at cde42e90 AGESA SRAT table NULL. Skipping. ACPI: * SLIT at cde42e90 AGESA SLIT table NULL. Skipping. ACPI: * AGESA ALIB SSDT at cde42e90 ACPI: added table 9/32, length now 72 ACPI: * SSDT at cde479f0 ACPI: added table 10/32, length now 76 ACPI: * SSDT for PState at cde47e2c ACPI: done. ACPI tables: 106032 bytes. smbios_write_tables: cdd0d000 Create SMBIOS type 17 SMBIOS tables: 545 bytes. Writing table forward entry at 0x00000500 Wrote coreboot table at: 00000500, 0x10 bytes, checksum 11f9 Writing coreboot table at 0xcde52000 0. 0000000000000000-0000000000000fff: CONFIGURATION TABLES 1. 0000000000001000-000000000009ffff: RAM 2. 00000000000a0000-00000000000fffff: RESERVED 3. 0000000000100000-00000000cdd0cfff: RAM 4. 00000000cdd0d000-00000000cde9efff: CONFIGURATION TABLES 5. 00000000cde9f000-00000000cdfa0fff: RAMSTAGE 6. 00000000cdfa1000-00000000cdffffff: CONFIGURATION TABLES 7. 00000000ce000000-00000000cfffffff: RESERVED 8. 00000000f8000000-00000000fbffffff: RESERVED 9. 0000000100000000-000000012effffff: RAM Passing 5 GPIOs to payload: NAME | PORT | POLARITY | VALUE write protect | undefined | high | low recovery | undefined | high | low lid | undefined | high | high power | undefined | high | low EC in RW | 0x0000000f | high | low Board ID: 6 SKU ID: 17 CBFS: 'Master Header Locator' located CBFS at [df0000:ffffc0) Wrote coreboot table at: cde52000, 0x538 bytes, checksum 6ad4 coreboot table: 1360 bytes. IMD ROOT 0. cdfff000 00001000 IMD SMALL 1. cdffe000 00001000 CONSOLE 2. cdfde000 00020000 TIME STAMP 3. cdfdd000 00000910 VBOOT 4. cdfdc000 00000c0c ACPISCRATCH 5. cdfac000 00030000 ROMSTG STCK 6. cdfab000 00000400 AFTER CAR 7. cdfa1000 0000a000 RAMSTAGE 8. cde9e000 00103000 REFCODE 9. cde6c000 00032000 ACPI GNVS 10. cde6b000 00001000 SMM BACKUP 11. cde5b000 00010000 MRC DATA 12. cde5a000 00000e75 COREBOOT 13. cde52000 00008000 ACPI 14. cde2e000 00024000 RAMOOPS 15. cdd2e000 00100000 VGA ROM #0 16. cdd1e000 0000fe00 TCPA TCGLOG17. cdd0e000 00010000 SMBIOS 18. cdd0d000 00000800 IMD small region: IMD ROOT 0. cdffec00 00000400 VBOOT SEL 1. cdffebe0 00000008 EC HOSTEVENT 2. cdffebc0 00000008 ROMSTAGE 3. cdffeba0 00000004 VPD 4. cdffeb20 0000006c POWER STATE 5. cdffeb00 00000010 MEM INFO 6. cdffe9a0 00000149 COREBOOTFWD 7. cdffe960 00000028 BS: BS_WRITE_TABLES times (us): entry 2 run 438462 exit 1 POST: 0x7a CBFS: 'Master Header Locator' located CBFS at [df0000:ffffc0) CBFS: Locating 'fallback/payload' CBFS: Found @ offset 1ae180 size 39f90 Loading segment from ROM address 0xfff9e1b8 code (compression=0) New segment dstaddr 0x30104020 memsize 0x254890 srcaddr 0xfff9e1f0 filesize 0x39f58 Loading segment from ROM address 0xfff9e1d4 Entry Point 0x30104020 Loading Segment: addr: 0x0000000030104020 memsz: 0x0000000000254890 filesz: 0x0000000000039f58 lb: [0x00000000cde9f000, 0x00000000cdfa09d8) Post relocation: addr: 0x0000000030104020 memsz: 0x0000000000254890 filesz: 0x0000000000039f58 it's not compressed! [ 0x30104020, 3013df78, 0x303588b0) <- fff9e1f0 Clearing Segment: addr: 0x000000003013df78 memsz: 0x000000000021a938 dest 30104020, end 303588b0, bouncebuffer ffffffff Loaded segments Lock SMM configuration POST: 0xfe BS: BS_PAYLOAD_LOAD times (us): entry 2701 run 92765 exit 3310 PSP: Notify that POST is finishing... OK POST: 0x7b mp_park_aps done after 0 msecs. Jumping to boot code at 30104020(cde52000) POST: 0xf8 CPU0: stack: cdeda000 - cdedb000, lowest used address cdeda558, stack used: 2728 bytes Starting depthcharge on grunt... 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! The GBB signature is at 0x30004020 and is: 24 47 42 42 [firmware-grunt-11031.B-collabora] Dec 11 2020 09:59:28 grunt: tftpboot 192.168.201.1 7922189/tftp-deploy-s_5j1vy2/kernel/bzImage 7922189/tftp-deploy-s_5j1vy2/kernel/cmdline 7922189/tftp-deploy-s_5j1vy2/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 7922189/tftp-deploy-s_5j1vy2/kernel/bzImage 792/kernel/cmdline 7922189/tftp-deploy-s_5j1vy2/ramdisk/ramdisk.cpio.gz Waiting for link R8152: Initializing Version 9 (ocp_data = 6010) R8152: Done initializing Adding net device done. MAC: 00:e0:4c:68:00:75 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: 7922189/tftp-deploy-s_5j1vy2/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 ################################################ done. The bootfile was 14016896 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: 7922189/tftp-deploy-s_5j1vy2/kernel/cmdline The command line is: earlyprintk=uart8250,mmio32,0xfedc6000,115200n8 console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/7922189/extract-nfsrootfs-l1o0j8yk,tcp,hard ip=dhcp tftpserverip=192.168.201.1 Shutting down all USB controllers. Removing current net device Finalizing coreboot coreboot-56f9d1cd49 Thu Sep 5 21:57:06 UTC 2019 smm starting... SMI# #0 Exiting depthcharge with code 4 at timestamp: 17457560 Starting kernel ... coreboot-56f9d1cd49 Thu Sep 5 21:57:06 UTC 2019 smm starting... SMI# #0 Chrome EC: Set SMI mask to 0x0000000000000000 Chrome EC: UHEPI supported Clearing pending EC events. Error code 1 is expected. EC returned error result code 9 Chrome EC: Set SCI mask to 0x00000000142609fb [ 0.000000] Linux version 5.10.153-cip19 (KernelCI@build-j483440-x86-64-gcc-10-x86-64-defconfig-x86-chromeboofrwxc) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Wed Nov 9 20:59:17 UTC 2022 [ 0.000000] Command line: earlyprintk=uart8250,mmio32,0xfedc6000,115200n8 console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/7922189/extract-nfsrootfs-l1o0j8yk,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 0x004: 'AVX registers' [ 0.000000] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 0.000000] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' 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 0x0000000000100000-0x00000000cdd0cfff] usable [ 0.000000] BIOS-e820: [mem 0x00000000cdd0d000-0x00000000cdffffff] type 16 [ 0.000000] BIOS-e820: [mem 0x00000000ce000000-0x00000000cfffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000f8000000-0x00000000fbffffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000012effffff] usable [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] SMBIOS 2.7 present. [ 0.000000] DMI: Google Grunt/Grunt, BIOS 09/05/2019 [ 0.000000] tsc: Fast TSC calibration using PIT [ 0.000000] tsc: Detected 1596.926 MHz processor [ 0.001288] last_pfn = 0x12f000 max_arch_pfn = 0x400000000 [ 0.001783] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.003372] last_pfn = 0xcdd0d max_arch_pfn = 0x400000000 [ 0.009933] check: Scanning 1 areas for low memory corruption [ 0.009944] Using GB pages for direct mapping [ 0.010527] RAMDISK: [mem 0x377f5000-0x37ffffff] [ 0.010533] ACPI: Early table checksum verification disabled [ 0.010540] ACPI: RSDP 0x00000000000F0000 000024 (v02 COREv4) [ 0.010550] ACPI: XSDT 0x00000000CDE2E0E0 000074 (v01 COREv4 COREBOOT 00000000 CORE 00000000) [ 0.010562] ACPI: FACP 0x00000000CDE31E60 0000F4 (v04 COREv4 COREBOOT 00000000 CORE 00000000) [ 0.010574] ACPI: DSDT 0x00000000CDE2E280 003BE0 (v02 COREv4 COREBOOT 00010001 INTL 20180531) [ 0.010583] ACPI: FACS 0x00000000CDE2E240 000040 [ 0.010590] ACPI: SSDT 0x00000000CDE31F60 000DB5 (v02 COREv4 COREBOOT 0000002A CORE 0000002A) [ 0.010599] ACPI: MCFG 0x00000000CDE32D20 00003C (v01 COREv4 COREBOOT 00000000 CORE 00000000) [ 0.010607] ACPI: TCPA 0x00000000CDE32D60 000032 (v02 COREv4 COREBOOT 00000000 CORE 00000000) [ 0.010615] ACPI: APIC 0x00000000CDE32DA0 00006E (v02 COREv4 COREBOOT 00000000 CORE 00000000) [ 0.010623] ACPI: VFCT 0x00000000CDE32E10 00FE69 (v01 COREv4 COREBOOT 00000000 CORE 00000000) [ 0.010630] ACPI: HPET 0x00000000CDE42C80 000038 (v01 COREv4 COREBOOT 00000000 CORE 00000000) [ 0.010638] ACPI: HEST 0x00000000CDE42CC0 0001D0 (v01 COREv4 COREBOOT 00000000 CORE 00000000) [ 0.010646] ACPI: SSDT 0x00000000CDE42E90 004B5B (v02 AMD AGESA 00000002 MSFT 04000000) [ 0.010654] ACPI: SSDT 0x00000000CDE479F0 00043C (v01 AMD AGESA 00000001 AMD 00000001) [ 0.010662] ACPI: Reserving FACP table memory at [mem 0xcde31e60-0xcde31f53] [ 0.010666] ACPI: Reserving DSDT table memory at [mem 0xcde2e280-0xcde31e5f] [ 0.010670] ACPI: Reserving FACS table memory at [mem 0xcde2e240-0xcde2e27f] [ 0.010673] ACPI: Reserving SSDT table memory at [mem 0xcde31f60-0xcde32d14] [ 0.010676] ACPI: Reserving MCFG table memory at [mem 0xcde32d20-0xcde32d5b] [ 0.010680] ACPI: Reserving TCPA table memory at [mem 0xcde32d60-0xcde32d91] [ 0.010683] ACPI: Reserving APIC table memory at [mem 0xcde32da0-0xcde32e0d] [ 0.010686] ACPI: Reserving VFCT table memory at [mem 0xcde32e10-0xcde42c78] [ 0.010689] ACPI: Reserving HPET table memory at [mem 0xcde42c80-0xcde42cb7] [ 0.010693] ACPI: Reserving HEST table memory at [mem 0xcde42cc0-0xcde42e8f] [ 0.010696] ACPI: Reserving SSDT table memory at [mem 0xcde42e90-0xcde479ea] [ 0.010699] ACPI: Reserving SSDT table memory at [mem 0xcde479f0-0xcde47e2b] [ 0.010763] No NUMA configuration found [ 0.010767] Faking a node at [mem 0x0000000000000000-0x000000012effffff] [ 0.010775] NODE_DATA(0) allocated [mem 0x12effa000-0x12effdfff] [ 0.010812] Zone ranges: [ 0.010815] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.010820] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.010825] Normal [mem 0x0000000100000000-0x000000012effffff] [ 0.010830] Movable zone start for each node [ 0.010833] Early memory node ranges [ 0.010837] node 0: [mem 0x0000000000001000-0x000000000009ffff] [ 0.010840] node 0: [mem 0x0000000000100000-0x00000000cdd0cfff] [ 0.010844] node 0: [mem 0x0000000100000000-0x000000012effffff] [ 0.010848] Initmem setup node 0 [mem 0x0000000000001000-0x000000012effffff] [ 0.010874] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.010911] On node 0, zone DMA: 96 pages in unavailable ranges [ 0.026850] On node 0, zone Normal: 8947 pages in unavailable ranges [ 0.026920] On node 0, zone Normal: 4096 pages in unavailable ranges [ 0.026987] ACPI: PM-Timer IO Port: 0x418 [ 0.027002] ACPI: LAPIC_NMI (acpi_id[0xff] high edge lint[0x1]) [ 0.027022] IOAPIC[0]: apic_id 4, version 33, address 0xfec00000, GSI 0-23 [ 0.027034] IOAPIC[1]: apic_id 5, version 33, address 0xfec20000, GSI 24-55 [ 0.027039] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.027043] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 low level) [ 0.027053] Using ACPI (MADT) for SMP configuration information [ 0.027058] ACPI: HPET id: 0x10228201 base: 0xfed00000 [ 0.027066] smpboot: Allowing 2 CPUs, 0 hotplug CPUs [ 0.027087] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.027092] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] [ 0.027096] PM: hibernation: Registered nosave memory: [mem 0xcdd0d000-0xcdffffff] [ 0.027099] PM: hibernation: Registered nosave memory: [mem 0xce000000-0xcfffffff] [ 0.027102] PM: hibernation: Registered nosave memory: [mem 0xd0000000-0xf7ffffff] [ 0.027105] PM: hibernation: Registered nosave memory: [mem 0xf8000000-0xfbffffff] [ 0.027108] PM: hibernation: Registered nosave memory: [mem 0xfc000000-0xffffffff] [ 0.027114] [mem 0xd0000000-0xf7ffffff] available for PCI devices [ 0.027121] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.034722] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:2 nr_node_ids:1 [ 0.035270] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u1048576 [ 0.035336] Built 1 zonelists, mobility grouping on. Total pages: 1019233 [ 0.035340] Policy zone: Normal [ 0.035353] Kernel command line: earlyprintk=uart8250,mmio32,0xfedc6000,115200n8 console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/7922189/extract-nfsrootfs-l1o0j8yk,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.036426] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.036910] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.036940] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.071549] Memory: 3941716K/4141744K available (18450K kernel code, 3465K rwdata, 6812K rodata, 2036K init, 13236K bss, 199768K reserved, 0K cma-reserved) [ 0.071661] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1 [ 0.071714] ftrace: allocating 53394 entries in 209 pages [ 0.120843] ftrace: allocated 209 pages with 4 groups [ 0.121095] Running RCU self tests [ 0.121107] rcu: Hierarchical RCU implementation. [ 0.121111] rcu: RCU event tracing is enabled. [ 0.121114] rcu: RCU lockdep checking is enabled. [ 0.121117] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=2. [ 0.121121] Rude variant of Tasks RCU enabled. [ 0.121124] Tracing variant of Tasks RCU enabled. [ 0.121127] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.121131] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 0.128734] NR_IRQS: 4352, nr_irqs: 512, preallocated irqs: 16 [ 0.129056] random: crng init done [ 0.129157] Console: colour dummy device 80x25 [ 0.155112] printk: console [ttyS0] enabled [ 0.155257] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.155518] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.155660] ... MAX_LOCK_DEPTH: 48 [ 0.155804] ... MAX_LOCKDEP_KEYS: 8192 [ 0.155955] ... CLASSHASH_SIZE: 4096 [ 0.156105] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.156258] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.156411] ... CHAINHASH_SIZE: 32768 [ 0.156564] memory used by lock dependency info: 6365 kB [ 0.156748] memory used for stack traces: 4224 kB [ 0.156912] per task-struct memory footprint: 1920 bytes [ 0.157149] ACPI: Core revision 20200925 [ 0.157592] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 133484873504 ns [ 0.157948] APIC: Switch to symmetric I/O mode setup [ 0.158562] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=0 pin2=0 [ 0.162939] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1704cd1078b, max_idle_ns: 440795282820 ns [ 0.163316] Calibrating delay loop (skipped), value calculated using timer frequency.. 3193.85 BogoMIPS (lpj=1596926) [ 0.163675] pid_max: default: 32768 minimum: 301 [ 0.163896] LSM: Security Framework initializing [ 0.164322] SELinux: Initializing. [ 0.164483] LSM support for eBPF active [ 0.164653] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.164919] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.166273] BIOS may not properly restore RDRAND after suspend, hiding RDRAND via CPUID. Use rdrand=force to reenable. [ 0.166399] LVT offset 1 assigned for vector 0xf9 [ 0.166571] Last level iTLB entries: 4KB 512, 2MB 1024, 4MB 512 [ 0.166773] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 512, 1GB 0 [ 0.167309] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.167598] Spectre V2 : Mitigation: Retpolines [ 0.167754] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.168032] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT [ 0.168301] Spectre V2 : Enabling Speculation Barrier for firmware calls [ 0.168528] RETBleed: Mitigation: untrained return thunk [ 0.168713] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 0.168997] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp [ 0.176204] ------------[ cut here ]------------ [ 0.176313] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 [ 0.176324] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:712 apply_returns+0x1f5/0x220 [ 0.176968] Modules linked in: [ 0.177082] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.153-cip19 #1 [ 0.177302] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 [ 0.177506] RIP: 0010:apply_returns+0x1f5/0x220 [ 0.177664] 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 b8 9e ac ba c6 05 20 5e e4 01 01 e8 c6 89 e8 00 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc [ 0.178302] RSP: 0000:ffffffffbae03de0 EFLAGS: 00010282 [ 0.178483] RAX: 0000000000000000 RBX: ffffffffbb8e4064 RCX: 0000000000000000 [ 0.178725] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffb937a891 [ 0.178966] RBP: ffffffffba79c200 R08: 0000000000000001 R09: 0000000000000001 [ 0.179207] R10: ffffffffbae8fbc0 R11: 3fffffffffffffff R12: ffffffffbb8fbc44 [ 0.179302] R13: cccccccccccccccc R14: ffffffffba79c205 R15: 0000000000000000 [ 0.179544] FS: 0000000000000000(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 [ 0.179816] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.180012] CR2: ffff8b082efff000 CR3: 00000000b4826000 CR4: 00000000001506f0 [ 0.180302] Call Trace: [ 0.180411] alternative_instructions+0x7d/0x143 [ 0.180573] check_bugs+0xedd/0xf39 [ 0.180702] start_kernel+0x517/0x54d [ 0.180836] secondary_startup_64_no_verify+0xc2/0xcb [ 0.181020] irq event stamp: 1687 [ 0.181304] hardirqs last enabled at (1699): [] console_unlock+0x4d1/0x5f0 [ 0.181592] hardirqs last disabled at (1706): [] console_unlock+0x444/0x5f0 [ 0.181880] softirqs last enabled at (1696): [] irq_enter_rcu+0x71/0x80 [ 0.182159] softirqs last disabled at (1695): [] irq_enter_rcu+0x56/0x80 [ 0.182304] ---[ end trace 55216ed5e2971747 ]--- # [ 0.186165] Freeing SMP alternatives memory: 44K [ 0.188321] smpboot: CPU 0 Converting physical 2 to logical die 0 [ 0.290551] smpboot: CPU0: AMD A4-9120C RADEON R4, 5 COMPUTE CORES 2C+3G (family: 0x15, model: 0x70, stepping: 0x0) [ 0.291299] Performance Events: Fam15h core perfctr, AMD PMU driver. [ 0.291310] ... version: 0 [ 0.291451] ... bit width: 48 [ 0.291594] ... generic registers: 6 [ 0.291734] ... value mask: 0000ffffffffffff [ 0.291916] ... max period: 00007fffffffffff [ 0.292303] ... fixed-purpose events: 0 [ 0.292443] ... event mask: 000000000000003f [ 0.292932] rcu: Hierarchical SRCU implementation. [ 0.294487] smp: Bringing up secondary CPUs ... [ 0.295221] x86: Booting SMP configuration: [ 0.295330] .... node #0, CPUs: #1 [ 0.296470] smp: Brought up 1 node, 2 CPUs [ 0.297318] smpboot: Max logical packages: 1 [ 0.297469] smpboot: Total of 2 processors activated (6387.70 BogoMIPS) [ 0.298757] devtmpfs: initialized [ 0.298757] x86/mm: Memory block size: 128MB [ 0.302383] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.302647] futex hash table entries: 512 (order: 4, 65536 bytes, linear) [ 0.303460] pinctrl core: initialized pinctrl subsystem [ 0.303875] PM: RTC time: 21:07:27, date: 2022-11-09 [ 0.304512] NET: Registered protocol family 16 [ 0.305201] audit: initializing netlink subsys (disabled) [ 0.305360] audit: type=2000 audit(1668028047.147:1): state=initialized audit_enabled=0 res=1 [ 0.305738] thermal_sys: Registered thermal governor 'step_wise' [ 0.305743] thermal_sys: Registered thermal governor 'user_space' [ 0.306036] cpuidle: using governor menu [ 0.306425] ACPI: bus type PCI registered [ 0.306816] PCI: MMCONFIG for domain 0000 [bus 00-40] at [mem 0xf8000000-0xfc0fffff] (base 0xf8000000) [ 0.307311] PCI: MMCONFIG at [mem 0xf8000000-0xfc0fffff] reserved in E820 [ 0.307543] PCI: MMCONFIG for 0000 [bus00-1f] at [mem 0xf8000000-0xf9ffffff] (base 0xf8000000) (size reduced!) [ 0.307907] PCI: Using configuration type 1 for base access [ 0.324427] Kprobes globally optimized [ 0.325351] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.325556] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.325926] cryptomgr_test (28) used greatest stack depth: 14880 bytes left [ 0.328576] ACPI: Added _OSI(Module Device) [ 0.328728] ACPI: Added _OSI(Processor Device) [ 0.328885] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.329048] ACPI: Added _OSI(Processor Aggregator Device) [ 0.329318] ACPI: Added _OSI(Linux-Dell-Video) [ 0.329475] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.329660] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 0.346710] ACPI: 4 ACPI AML tables successfully acquired and loaded [ 0.357982] ACPI: EC: EC started [ 0.358115] ACPI: EC: interrupt blocked [ 0.358734] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.358913] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions [ 0.359164] ACPI: Interpreter enabled [ 0.359361] ACPI: (supports S0 S1 S3 S4 S5) [ 0.359511] ACPI: Using IOAPIC for interrupt routing [ 0.359722] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 0.360776] ACPI: Enabled 3 GPEs in block 00 to 1F [ 0.363534] ACPI: Power Resource [P0U2] (off) [ 0.363856] ACPI: Power Resource [P3U2] (off) [ 0.365650] ACPI: Power Resource [P0U3] (off) [ 0.365937] ACPI: Power Resource [P3U3] (off) [ 0.376090] ACPI: Power Resource [PRIC] (on) [ 0.401857] ACPI: Power Resource [PRIC] (on) [ 0.433086] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.433313] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 0.433828] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] [ 0.434116] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-1f] only partially covers this bridge [ 0.434410] acpi PNP0A08:00: host bridge window expanded to [io 0x0000-0x0cf7 window]; [io 0x03b0-0x03df window] ignored [ 0.434961] PCI host bridge to bus 0000:00 [ 0.435306] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.435538] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 0.435771] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff] [ 0.436005] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000dffff] [ 0.436240] pci_bus 0000:00: root bus resource [mem 0xd0000000-0xffffffff] [ 0.436305] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.436552] pci 0000:00:00.0: [1022:1576] type 00 class 0x060000 [ 0.437545] pci 0000:00:01.0: [1002:98e4] type 00 class 0x030000 [ 0.437770] pci 0000:00:01.0: reg 0x10: [mem 0xf0000000-0xf3ffffff 64bit pref] [ 0.438026] pci 0000:00:01.0: reg 0x18: [mem 0xf4000000-0xf47fffff 64bit pref] [ 0.438279] pci 0000:00:01.0: reg 0x20: [io 0x1000-0x10ff] [ 0.438311] pci 0000:00:01.0: reg 0x24: [mem 0xf4d00000-0xf4d3ffff] [ 0.438533] pci 0000:00:01.0: reg 0x30: [mem 0xf4d40000-0xf4d5ffff pref] [ 0.438768] pci 0000:00:01.0: enabling Extended Tags [ 0.439008] pci 0000:00:01.0: supports D1 D2 [ 0.439305] pci 0000:00:01.0: PME# supported from D1 D2 D3hot [ 0.439887] pci 0000:00:01.1: [1002:15b3] type 00 class 0x040300 [ 0.440110] pci 0000:00:01.1: reg 0x10: [mem 0xf4d80000-0xf4d83fff 64bit] [ 0.440340] pci 0000:00:01.1: enabling Extended Tags [ 0.440565] pci 0000:00:01.1: supports D1 D2 [ 0.440958] pci 0000:00:02.0: [1022:157b] type 00 class 0x060000 [ 0.441510] pci 0000:00:02.2: [1022:157c] type 01 class 0x060400 [ 0.441764] pci 0000:00:02.2: enabling Extended Tags [ 0.442004] pci 0000:00:02.2: PME# supported from D0 D3hot D3cold [ 0.442596] pci 0000:00:02.4: [1022:157c] type 01 class 0x060400 [ 0.442849] pci 0000:00:02.4: enabling Extended Tags [ 0.443088] pci 0000:00:02.4: PME# supported from D0 D3hot D3cold [ 0.443674] pci 0000:00:03.0: [1022:157b] type 00 class 0x060000 [ 0.444147] pci 0000:00:08.0: [1022:1578] type 00 class 0x108000 [ 0.444319] pci 0000:00:08.0: reg 0x10: [mem 0xf4d60000-0xf4d7ffff 64bit pref] [ 0.444570] pci 0000:00:08.0: reg 0x18: [mem 0xf4b00000-0xf4bfffff] [ 0.444791] pci 0000:00:08.0: reg 0x1c: [mem 0xf4d88000-0xf4d88fff] [ 0.445011] pci 0000:00:08.0: reg 0x20: [mem 0xf4c00000-0xf4cfffff] [ 0.445231] pci 0000:00:08.0: reg 0x24: [mem 0xf4d84000-0xf4d85fff] [ 0.445564] pci 0000:00:09.0: [1022:157d] type 00 class 0x060000 [ 0.446052] pci 0000:00:10.0: [1022:7914] type 00 class 0x0c0330 [ 0.446330] pci 0000:00:10.0: reg 0x10: [mem 0xf4d86000-0xf4d87fff 64bit] [ 0.446704] pci 0000:00:10.0: PME# supported from D0 D3hot D3cold [ 0.447479] pci 0000:00:12.0: [1022:7908] type 00 class 0x0c0320 [ 0.447703] pci 0000:00:12.0: reg 0x10: [mem 0xf4d89000-0xf4d890ff] [ 0.448018] pci 0000:00:12.0: supports D1 D2 [ 0.448167] pci 0000:00:12.0: PME# supported from D0 D1 D2 D3hot D3cold [ 0.448633] pci 0000:00:14.0: [1022:790b] type 00 class 0x0c0500 [ 0.449324] pci 0000:00:14.3: [1022:790e] type 00 class 0x060100 [ 0.449926] pci 0000:00:14.7: [1022:7906] type 00 class 0x080501 [ 0.450155] pci 0000:00:14.7: reg 0x10: [mem 0xf4d8a000-0xf4d8a0ff 64bit] [ 0.450398] pci 0000:00:14.7: PME# supported from D3cold [ 0.450920] pci 0000:00:18.0: [1022:15b0] type 00 class 0x060000 [ 0.451470] pci 0000:00:18.1: [1022:15b1] type 00 class 0x060000 [ 0.451913] pci 0000:00:18.2: [1022:15b2] type 00 class 0x060000 [ 0.452373] pci 0000:00:18.3: [1022:15b3] type 00 class 0x060000 [ 0.452829] pci 0000:00:18.4: [1022:15b4] type 00 class 0x060000 [ 0.453271] pci 0000:00:18.5: [1022:15b5] type 00 class 0x060000 [ 0.453732] pci 0000:01:00.0: [168c:003e] type 00 class 0x028000 [ 0.454024] pci 0000:01:00.0: reg 0x10: [mem 0xf4800000-0xf49fffff 64bit] [ 0.454588] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold [ 0.455410] pci 0000:00:02.2: PCI bridge to [bus 01] [ 0.455590] pci 0000:00:02.2: bridge window [mem 0xf4800000-0xf49fffff] [ 0.456029] pci 0000:02:00.0: [1217:8620] type 00 class 0x080501 [ 0.456324] pci 0000:02:00.0: reg 0x10: [mem 0xf4a00000-0xf4a00fff] [ 0.456633] pci 0000:02:00.0: reg 0x14: [mem 0xf4a01000-0xf4a017ff] [ 0.457089] pci 0000:02:00.0: PME# supported from D3hot D3cold [ 0.460550] pci 0000:00:02.4: PCI bridge to [bus 02] [ 0.460739] pci 0000:00:02.4: bridge window [mem 0xf4a00000-0xf4afffff] [ 0.463041] ACPI: PCI Interrupt Link [INTA] (IRQs *3 4 5 7 10 11 12 15) [ 0.463439] ACPI: PCI Interrupt Link [INTB] (IRQs 3 *4 5 7 10 11 12 15) [ 0.463820] ACPI: PCI Interrupt Link [INTC] (IRQs 3 4 *5 7 10 11 12 15) [ 0.464198] ACPI: PCI Interrupt Link [INTD] (IRQs 3 4 5 *7 10 11 12 15) [ 0.464435] ACPI: PCI Interrupt Link [INTE] (IRQs 3 4 5 7 10 *11 12 15) [ 0.464813] ACPI: PCI Interrupt Link [INTF] (IRQs 9) *0 [ 0.465309] ACPI: PCI Interrupt Link [INTG] (IRQs 3 4 5 7 10 11 12 15) *0 [ 0.465698] ACPI: PCI Interrupt Link [INTH] (IRQs 3 4 5 7 10 11 12 15) *0 [ 0.470182] ACPI: EC: interrupt unblocked [ 0.470303] ACPI: EC: event unblocked [ 0.470439] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.470620] ACPI: EC: GPE=0x3 [ 0.470729] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete [ 0.470971] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events [ 0.471626] iommu: Default domain type: Translated [ 0.471643] pci 0000:00:01.0: vgaarb: setting as boot VGA device [ 0.471643] pci 0000:00:01.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.472321] pci 0000:00:01.0: vgaarb: bridge control possible [ 0.472519] vgaarb: loaded [ 0.473040] SCSI subsystem initialized [ 0.473497] ACPI: bus type USB registered [ 0.473735] usbcore: registered new interface driver usbfs [ 0.474346] usbcore: registered new interface driver hub [ 0.474554] usbcore: registered new device driver usb [ 0.492360] pps_core: LinuxPPS API ver. 1 registered [ 0.492536] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.492853] PTP clock support registered [ 0.493440] Advanced Linux Sound Architecture Driver Initialized. [ 0.494035] NetLabel: Initializing [ 0.494157] NetLabel: domain hash size = 128 [ 0.494305] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.494551] NetLabel: unlabeled traffic allowed by default [ 0.494804] PCI: Using ACPI for IRQ routing [ 0.496654] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0 [ 0.496833] hpet0: 3 comparators, 32-bit 14.318180 MHz counter [ 0.500390] clocksource: Switched to clocksource tsc-early [ 0.842530] VFS: Disk quotas dquot_6.6.0 [ 0.842707] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 0.843245] pnp: PnP ACPI init [ 0.843849] system 00:00: [mem 0xfec1000a-0xfec11009] has been reserved [ 0.844541] system 00:03: [io 0x0900-0x09fe] has been reserved [ 0.844918] system 00:04: [io 0x0200] has been reserved [ 0.845105] system 00:04: [io 0x0204] has been reserved [ 0.845291] system 00:04: [io 0x0800-0x087f] has been reserved [ 0.845502] system 00:04: [io 0x0880-0x08ff] has been reserved [ 0.847481] pnp: PnP ACPI: found 6 devices [ 0.858754] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 0.859157] NET: Registered protocol family 2 [ 0.859512] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 0.860814] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) [ 0.861180] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) [ 0.861698] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) [ 0.862993] TCP: Hash tables configured (established 32768 bind 32768) [ 0.863749] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) [ 0.864172] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 0.864560] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 0.865062] NET: Registered protocol family 1 [ 0.865837] RPC: Registered named UNIX socket transport module. [ 0.866063] RPC: Registered udp transport module. [ 0.866227] RPC: Registered tcp transport module. [ 0.866390] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 0.867002] NET: Registered protocol family 44 [ 0.867190] pci 0000:00:02.2: PCI bridge to [bus 01] [ 0.867369] pci 0000:00:02.2: bridge window [mem 0xf4800000-0xf49fffff] [ 0.867608] pci 0000:00:02.4: PCI bridge to [bus 02] [ 0.867783] pci 0000:00:02.4: bridge window [mem 0xf4a00000-0xf4afffff] [ 0.868024] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 0.868246] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 0.868457] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff] [ 0.868672] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000dffff] [ 0.868886] pci_bus 0000:00: resource 8 [mem 0xd0000000-0xffffffff] [ 0.869101] pci_bus 0000:01: resource 1 [mem 0xf4800000-0xf49fffff] [ 0.869322] pci_bus 0000:02: resource 1 [mem 0xf4a00000-0xf4afffff] [ 0.869684] pci 0000:00:01.0: disabling ATS [ 0.869836] pci 0000:00:01.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 0.870305] pci 0000:00:01.1: D0 power state depends on 0000:00:01.0 [ 0.871322] pci 0000:00:10.0: PME# does not work under D0, disabling it [ 0.872173] PCI: CLS 64 bytes, default 64 [ 0.872620] Unpacking initramfs... [ 1.075290] Freeing initrd memory: 8236K [ 1.075438] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.075660] software IO TLB: mapped [mem 0x00000000c9d0d000-0x00000000cdd0d000] (64MB) [ 1.075978] LVT offset 0 assigned for vector 0x400 [ 1.076232] perf: AMD IBS detected (0x000007ff) [ 1.076446] kvm: no hardware support [ 1.076682] kvm: Nested Virtualization enabled [ 1.076840] SVM: kvm: Nested Paging enabled [ 1.076986] SVM: Virtual VMLOAD VMSAVE supported [ 1.077196] SVM: Virtual GIF supported [ 1.078882] check: Scanning for low memory corruption every 60 seconds [ 1.080527] Initialise system trusted keyrings [ 1.080883] workingset: timestamp_bits=56 max_order=20 bucket_order=0 [ 1.093520] NFS: Registering the id_resolver key type [ 1.093729] Key type id_resolver registered [ 1.093897] Key type id_legacy registered [ 1.109688] Key type asymmetric registered [ 1.109860] Asymmetric key parser 'x509' registered [ 1.110073] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 1.110338] io scheduler mq-deadline registered [ 1.110505] io scheduler kyber registered [ 1.110808] test_firmware: interface ready [ 1.112887] pcieport 0000:00:02.2: PME: Signaling with IRQ 25 [ 1.113635] pcieport 0000:00:02.4: PME: Signaling with IRQ 26 [ 1.114631] ACPI: AC Adapter [AC] (on-line) [ 1.115032] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:17/PNP0C09:00/PNP0C0D:00/input/input0 [ 1.115953] ACPI: Lid Switch [LID0] [ 1.116241] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 [ 1.116670] ACPI: Power Button [PWRF] [ 1.117060] ACPI: Video Device [IGFX] (multi-head: no rom: yes post: no) [ 1.117853] input: Video Bus as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/LNXVIDEO:00/input/input2 [ 1.118308] ACPI: \_PR_.P000: Found 2 idle states [ 1.118957] ACPI: \_PR_.P001: Found 2 idle states [ 1.121326] thermal LNXTHERM:00: registered as thermal_zone0 [ 1.121531] ACPI: Thermal Zone [THRM] (37 C) [ 1.124470] battery: ACPI: Battery Slot [BAT0] (battery present) [ 1.124553] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.127670] printk: console [ttyS0] disabled [ 1.127977] AMD0020:00: ttyS0 at MMIO 0xfedc6000 (irq = 10, base_baud = 3000000) is a 16550A [ 2.110393] tsc: Refined TSC clocksource calibration: 1597.002 MHz [ 2.112152] printk: console [ttyS0] enabled [ 2.121702] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x170514dcf86, max_idle_ns: 440795282824 ns [ 2.137404] AMD0020:01: ttyS1 at MMIO 0xfedc8000 (irq = 11, base_baud = 3000000) is a 16550A [ 3.765655] clocksource: Switched to clocksource tsc [ 3.766316] Non-volatile memory driver v1.3 [ 3.774967] Linux agpgart interface v0.103 [ 3.780445] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 [ 3.796079] loop: module loaded [ 3.799752] lkdtm: No crash points registered, enable through debugfs [ 3.807890] e100: Intel(R) PRO/100 Network Driver [ 3.812605] e100: Copyright(c) 1999-2006 Intel Corporation [ 3.818144] e1000: Intel(R) PRO/1000 Network Driver [ 3.823027] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 3.828847] e1000e: Intel(R) PRO/1000 Network Driver [ 3.833825] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 3.839801] sky2: driver version 1.30 [ 3.843676] usbcore: registered new interface driver r8152 [ 3.849459] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 3.856020] ehci-pci: EHCI PCI platform driver [ 3.860906] ehci-pci 0000:00:12.0: EHCI Host Controller [ 3.866693] ehci-pci 0000:00:12.0: new USB bus registered, assigned bus number 1 [ 3.874148] ehci-pci 0000:00:12.0: debug port 2 [ 3.878856] ehci-pci 0000:00:12.0: irq 18, io mem 0xf4d89000 [ 3.891593] ehci-pci 0000:00:12.0: USB 2.0 started, EHCI 1.00 [ 3.897805] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 3.906102] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 3.913325] usb usb1: Product: EHCI Host Controller [ 3.918207] usb usb1: Manufacturer: Linux 5.10.153-cip19 ehci_hcd [ 3.924301] usb usb1: SerialNumber: 0000:00:12.0 [ 3.929899] hub 1-0:1.0: USB hub found [ 3.933753] hub 1-0:1.0: 2 ports detected [ 3.938707] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 3.944912] ohci-pci: OHCI PCI platform driver [ 3.949405] uhci_hcd: USB Universal Host Controller Interface driver [ 3.956143] xhci_hcd 0000:00:10.0: xHCI Host Controller [ 3.962023] xhci_hcd 0000:00:10.0: new USB bus registered, assigned bus number 2 [ 3.969662] xhci_hcd 0000:00:10.0: hcc params 0x014040c3 hci version 0x100 quirks 0x0000000000000410 [ 3.979784] usb usb2: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 3.988067] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 3.995291] usb usb2: Product: xHCI Host Controller [ 4.000174] usb usb2: Manufacturer: Linux 5.10.153-cip19 xhci-hcd [ 4.006269] usb usb2: SerialNumber: 0000:00:10.0 [ 4.011551] hub 2-0:1.0: USB hub found [ 4.015415] hub 2-0:1.0: 4 ports detected [ 4.020330] xhci_hcd 0000:00:10.0: xHCI Host Controller [ 4.025814] xhci_hcd 0000:00:10.0: new USB bus registered, assigned bus number 3 [ 4.033221] xhci_hcd 0000:00:10.0: Host supports USB 3.0 SuperSpeed [ 4.039609] usb usb3: We don't know the algorithms for LPM for this host, disabling LPM. [ 4.047979] usb usb3: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 [ 4.056243] usb usb3: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.063533] usb usb3: Product: xHCI Host Controller [ 4.068417] usb usb3: Manufacturer: Linux 5.10.153-cip19 xhci-hcd [ 4.074512] usb usb3: SerialNumber: 0000:00:10.0 [ 4.080106] hub 3-0:1.0: USB hub found [ 4.083932] hub 3-0:1.0: 4 ports detected [ 4.088867] usbcore: registered new interface driver usblp [ 4.094402] usbcore: registered new interface driver usb-storage [ 4.100699] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers [ 4.109665] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 [ 4.116455] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp [ 4.128054] i8042: Warning: Keylock active [ 4.132333] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 4.138548] rtc_cmos 00:01: RTC can wake from S4 [ 4.144269] rtc_cmos 00:01: registered as rtc0 [ 4.148911] rtc_cmos 00:01: alarms up to one day, 114 bytes nvram, hpet irqs [ 4.156238] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input3 [ 4.156505] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com [ 4.173428] sdhci: Secure Digital Host Controller Interface driver [ 4.179618] sdhci: Copyright(c) Pierre Ossman [ 4.184044] sdhci-pci 0000:00:14.7: SDHCI controller found [1022:7906] (rev 1) [ 4.195589] usb 1-1: new high-speed USB device number 2 using ehci-pci [ 4.265563] usb 2-4: new high-speed USB device number 2 using xhci_hcd [ 4.290482] mmc0: SDHCI controller on PCI [0000:00:14.7] using ADMA 64-bit [ 4.297577] sdhci-pci 0000:02:00.0: SDHCI controller found [1217:8620] (rev 1) [ 4.305397] mmc1: emmc 1.8v flag is set, force 1.8v signaling voltage [ 4.314214] mmc1: SDHCI controller on PCI [0000:02:00.0] using ADMA [ 4.320812] hid: raw HID events driver (C) Jiri Kosina [ 4.326687] usbcore: registered new interface driver usbhid [ 4.332261] usbhid: USB HID core driver [ 4.338243] usb 1-1: New USB device found, idVendor=0438, idProduct=7900, bcdDevice= 0.18 [ 4.340973] cros_ec_lpcs GOOG0004:00: Chrome EC device registered [ 4.346463] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 4.359990] hub 1-1:1.0: USB hub found [ 4.361219] snd_hda_intel 0000:00:01.1: Force to non-snoop mode [ 4.369800] hub 1-1:1.0: 4 ports detected [ 4.374209] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 4.378265] snd_hda_intel 0000:00:01.1: Cannot probe codecs, giving up [ 4.380506] gre: GRE over IPv4 demultiplexor driver [ 4.391159] ip_gre: GRE over IPv4 tunneling driver [ 4.397560] IPv4 over IPsec tunneling driver [ 4.402367] Initializing XFRM netlink socket [ 4.407374] NET: Registered protocol family 10 [ 4.413145] Segment Routing with IPv6 [ 4.417951] ip6_gre: GRE over IPv6 tunneling driver [ 4.423527] usb 2-4: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 [ 4.424417] NET: Registered protocol family 17 [ 4.431717] usb 2-4: New USB device strings: Mfr=1, Product=2, SerialNumber=6 [ 4.436523] 8021q: 802.1Q VLAN Support v1.8 [ 4.443401] usb 2-4: Product: USB 10/100/1000 LAN [ 4.447629] Key type dns_resolver registered [ 4.452274] usb 2-4: Manufacturer: Realtek [ 4.456549] x86/pm: family 0x15 cpu detected, MSR saving is needed during suspending. [ 4.460645] usb 2-4: SerialNumber: 001000001 [ 4.473546] microcode: CPU0: patch_level=0x06006705 [ 4.478549] microcode: CPU1: patch_level=0x06006705 [ 4.483790] microcode: Microcode Update Driver: v2.2. [ 4.483800] IPI shorthand broadcast: enabled [ 4.493198] sched_clock: Marking stable (4463841460, 29289564)->(4530067265, -36936241) [ 4.501499] registered taskstats version 1 [ 4.505671] Loading compiled-in X.509 certificates [ 4.513053] PM: Magic number: 14:1:146 [ 4.517310] hub 1-0:1.0: hash matches [ 4.521133] acpi device:17: hash matches [ 4.525278] printk: console [netcon0] enabled [ 4.529655] netconsole: network logging started [ 4.534849] acpi_cpufreq: overriding BIOS provided _PSD data [ 4.587706] usb 2-4: reset high-speed USB device number 2 using xhci_hcd [ 4.690333] usb 1-1.1: new high-speed USB device number 3 using ehci-pci [ 4.800803] usb 1-1.1: New USB device found, idVendor=05c8, idProduct=03d0, bcdDevice= 1.04 [ 4.809176] usb 1-1.1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 4.816487] usb 1-1.1: Product: HP Wide Vision HD Camera [ 4.821803] usb 1-1.1: Manufacturer: SunplusIT Inc [ 4.826599] usb 1-1.1: SerialNumber: SunplusIT Inc [ 4.837404] r8152 2-4:1.0: load rtl8153b-2 v1 10/23/19 successfully [ 4.902088] r8152 2-4:1.0 eth0: v1.11.11 [ 4.906656] IP-Config: Failed to open gretap0 [ 4.911148] IP-Config: Failed to open erspan0 [ 4.917326] usb 1-1.2: new full-speed USB device number 4 using ehci-pci [ 4.961323] Sending DHCP requests . [ 5.019030] usb 1-1.2: New USB device found, idVendor=0cf3, idProduct=e300, bcdDevice= 0.01 [ 5.030891] usb 1-1.2: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 5.549506] mmc1: new HS200 MMC card at address 0001 [ 5.555519] mmcblk1: mmc1:0001 DA4032 29.1 GiB [ 5.560275] mmcblk1boot0: mmc1:0001 DA4032 partition 1 4.00 MiB [ 5.566415] mmcblk1boot1: mmc1:0001 DA4032 partition 2 4.00 MiB [ 5.572659] mmcblk1rpmb: mmc1:0001 DA4032 partition 3 16.0 MiB, chardev (246:0) [ 5.588958] mmcblk1: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 [ 6.552075] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 6.560651] r8152 2-4:1.0 eth0: carrier on [ 7.593551] ., OK [ 7.603661] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.16 [ 7.611663] IP-Config: Complete: [ 7.614898] device=eth0, hwaddr=00:e0:4c:68:00:75, ipaddr=192.168.201.16, mask=255.255.255.0, gw=192.168.201.1 [ 7.625325] host=hp-11A-G6-EE-grunt-cbg-2, domain=lava-rack, nis-domain=(none) [ 7.632977] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= [ 7.632979] nameserver0=192.168.201.1 [ 7.644524] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 7.656650] modprobe (80) used greatest stack depth: 13520 bytes left [ 7.664031] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 7.670951] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 7.674380] ALSA device list: [ 7.679669] cfg80211: failed to load regulatory.db [ 7.682590] No soundcards found. [ 7.691289] dw-apb-uart AMD0020:00: forbid DMA for kernel console [ 7.702550] Freeing unused kernel image (initmem) memory: 2036K [ 7.714659] Write protecting the kernel read-only data: 28672k [ 7.722066] Freeing unused kernel image (text/rodata gap) memory: 2028K [ 7.729433] Freeing unused kernel image (rodata/data gap) memory: 1380K [ 7.736061] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u1 [ 8.056097] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. 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 ... done. IP-Config: gretap0 hardware address 00:00:00:00:00:00 mtu 1462 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: erspan0 hardware address 00:00:00:00:00:00 mtu 1450 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: eth0 hardware address 00:e0:4c:68:00:75 mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.16 broadcast: 192.168.201.255 netmask: 255.255.255.0 gateway: 192.168.201.1 dns0 : 192.168.201.1 [ 8.343715] ipconfig (138) used greatest stack depth: 13464 bytes left dns1 : 0.0.0.0 host : hp-11A-G6-EE-grunt-cbg-2 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : [ 8.444941] nfsmount (139) 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 [ 9.677826] 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) [ 9.713748] systemd[1]: Detected architecture x86-64. Welcome to Debian GNU/Linux 11 (bullseye)! [ 9.747507] systemd[1]: Set hostname to . [ 10.522673] systemd[1]: Queued start job for default target Graphical Interface. [ 10.534014] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. [ 10.549252] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. [ 10.564351] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. [ 10.580185] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. [ 10.595102] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. [ 10.611962] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. [ 10.629745] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [ OK ] Set up automount Arbitrary…s File System Automount Point. [ 10.648772] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. [ 10.663791] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. [ 10.674709] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. [ 10.686701] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. [ 10.697713] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. [ 10.708129] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. [ 10.724718] systemd[1]: Listening on Journal Audit Socket. [ OK ] Listening on Journal Audit Socket. [ 10.737757] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). [ 10.753258] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. [ 10.765642] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. [ 10.782274] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. [ 10.797153] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. [ 10.810991] systemd[1]: Mounting Huge Pages File System... Mounting Huge Pages File System... [ 10.824720] systemd[1]: Mounting POSIX Message Queue File System... Mounting POSIX Message Queue File System... [ 10.843028] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... [ 10.860545] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... [ 10.877985] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... [ 10.900120] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... [ 10.915026] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... [ 10.929748] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... [ 10.948516] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 10.964208] systemd[1]: Starting Journal Service... Starting Journal Service... [ 11.002190] fuse: init (API version 7.32) [ 11.002320] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... [ 11.023295] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... [ 11.042737] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... [ 11.062215] systemd[1]: Mounted Huge Pages File System. [ OK ] Mounted Huge Pages File System. [ 11.077845] systemd[1]: Mounted POSIX Message Queue File System. [ OK ] Mounted POSIX Message Queue File System. [ 11.095788] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. [ 11.111121] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. [ 11.131959] systemd[1]: Finished Create list of static device nodes for the current kernel. [ OK ] Finished Create list of st… nodes for the current kernel. [ 11.154167] systemd[1]: modprobe@configfs.service: Succeeded. [ 11.161434] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. [ 11.178037] systemd[1]: modprobe@drm.service: Succeeded. [ 11.184675] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. [ 11.201006] systemd[1]: modprobe@fuse.service: Succeeded. [ 11.207607] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. [ 11.222592] systemd[1]: Finished Load Kernel Modules. [ OK ] Finished Load Kernel Modules. [ 11.238596] systemd[1]: Finished Remount Root and Kernel File Systems. [ OK ] Finished Remount Root and Kernel File Systems. [ 11.261344] systemd[1]: Mounting FUSE Control File System... Mounting FUSE Control File System... [ 11.281073] systemd[1]: Mounting Kernel Configuration File System... Mounting Kernel Configuration File System... [ 11.300554] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped. [ 11.309948] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped. [ 11.323926] systemd[1]: Starting Load/Save Random Seed... Starting Load/Save Random Seed... [ 11.337980] systemd[1]: Starting Apply Kernel Variables... Starting Apply Kernel Variables... [ 11.352174] systemd[1]: Starting Create System Users... Starting Create System Users... [ 11.364879] systemd[1]: Started Journal Service. [ OK ] Started Journal Service. [ OK ] Mounted FUSE Control File System. [ OK ] Mounted Kernel Configuration File System. [ OK ] Finished Load/Save Random Seed. [ OK ] Finished Apply Kernel Variables. Starting Flush Journal to Persistent Storage... [ OK ] Finished Create System Users. Starting Create Static Device Nodes in /dev...[ 11.491208] systemd-journald[175]: Received client request to flush runtime journal. [ 11.585461] systemd-tmpfile (186) used greatest stack depth: 12528 bytes left [ OK ] Finished Create Static Device Nodes in /dev. [ OK ] Reached target Local File Systems (Pre). [ OK ] Reached target Local File Systems. Starting Rule-based Manage…for Device Events and Files... [ OK ] Finished Coldplug All udev Devices. [ OK ] Finished Flush Journal to Persistent Storage. Starting Create Volatile Files and Directories... [ OK ] Started Rule-based Manager for Device Events and Files. Starting Network Service... [ OK ] Found device /dev/ttyS0. [ OK ] Finished Create Volatile Files and Directories. [ OK ] Started Network Service. [ OK ] Listening on Load/Save RF …itch Status /dev/rfkill Watch. Starting Network Name Resolution... Starting Network Time Synchronization... Starting Update UTMP about System Boot/Shutdown... [ OK ] Finished Update UTMP about System Boot/Shutdown. [ OK ] Started Network Time Synchronization. [ OK ] Reached target System Initialization. [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Reached target System Time Set. [ OK ] Reached target System Time Synchronized. [ OK ] Started Daily apt download activities. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Started Periodic ext4 Onli…ata Check for All Filesystems. [ OK ] Started Discard unused blocks once a week. [ OK ] Reached target Timers. [ OK ] Listening on D-Bus System Message Bus Socket. [ OK ] Reached target Sockets. [ OK ] Reached target Basic System. [ OK ] Started D-Bus System Message Bus. Starting Remove Stale Onli…t4 Metadata Check Snapshots... Starting User Login Management... [ OK ] Started Network Name Resolution. [ OK ] Reached target Network. [ OK ] Reached target Host and Network Name Lookups. Starting Permit User Sessions... [ OK ] Finished Permit User Sessions. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots. [ OK ] Started User Login Management. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Finished Update UTMP about System Runlevel Changes. Debian GNU/Linux 11 debian-bullseye-amd64 ttyS0 debian-bullseye-amd64 login: root (automatic login) Linux debian-bullseye-amd64 5.10.153-cip19 #1 SMP Wed Nov 9 20:59:17 UTC 2022 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/7922189/extract-nfsrootfs-l1o0j8yk' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/7922189/extract-nfsrootfs-l1o0j8yk' / # 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-7922189/environment . /lava-7922189/environment / # /lava-7922189/bin/lava-test-runner /lava-7922189/0 /lava-7922189/bin/lava-test-runner /lava-7922189/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-7922189/0/tests/0_timesync-off ++ cat uuid + UUID=7922189_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-7922189/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=7922189_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/linux-5.10.y-cip/v5.10.153-cip19-3-gc76f4e7e5c71/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz -L '' -S skipfile-lkft.yaml -b hp-11A-G6-EE-grunt -g cip -e '' -p /opt/kselftests/mainline/ INFO: Generating a skipfile based on /lava-7922189/0/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. --2022-11-09 21:08:04-- http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.153-cip19-3-gc76f4e7e5c71/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: 3541260 (3.4M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 47.81K 166KB/s kselftest.tar.xz 6%[> ] 214.67K 371KB/s kselftest.tar.xz 23%[===> ] 826.96K 901KB/s kselftest.tar.xz 58%[==========> ] 1.97M 1.61MB/s kselftest.tar.xz 87%[================> ] 2.95M 2.04MB/s kselftest.tar.xz 100%[===================>] 3.38M 2.12MB/s in 1.6s 2022-11-09 21:08:06 (2.12 MB/s) - 'kselftest.tar.xz' saved [3541260/3541260] 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 ======================================== [ 47.686233] 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 [ 47.927323] lkdtm: Performing direct entry BUG [ 47.931944] ------------[ cut here ]------------ [ 47.936622] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 47.941924] invalid opcode: 0000 [#1] SMP NOPTI [ 47.946452] CPU: 0 PID: 694 Comm: cat Tainted: G W 5.10.153-cip19 #1 [ 47.954095] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 [ 47.960010] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 47.963927] Code: 89 ff e8 be ae a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 d9 54 92 00 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 e0 f0 93 02 [ 47.982662] RSP: 0018:ffff943280863e60 EFLAGS: 00010286 [ 47.987879] RAX: ffffffffb9adf430 RBX: 0000000000000001 RCX: 0000000000000000 [ 47.995001] RDX: 0000000000000000 RSI: ffff8b082ac1bf70 RDI: ffffffffba79bd70 [ 48.002124] RBP: ffffffffbabe73a8 R08: 0000000000000001 R09: 0000000000000001 [ 48.009246] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 48.016367] R13: ffff943280863f10 R14: ffff943280863f10 R15: ffff8b0804f78000 [ 48.023491] FS: 00007f27217a5580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 [ 48.031566] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.037300] CR2: 00007f27215a5000 CR3: 0000000104c18000 CR4: 00000000001506f0 [ 48.044422] Call Trace: [ 48.046870] direct_entry.cold+0x2c/0x38 [ 48.050789] full_proxy_write+0x56/0x80 [ 48.054621] vfs_write+0xea/0x3a0 [ 48.057931] ksys_write+0x68/0xf0 [ 48.061241] do_syscall_64+0x33/0x40 [ 48.064811] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 48.069855] RIP: 0033:0x7f27216b28f3 [ 48.073423] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 48.092160] RSP: 002b:00007ffeb9a235a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.099717] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f27216b28f3 [ 48.106839] RDX: 0000000000000004 RSI: 00007f27215a5000 RDI: 0000000000000001 [ 48.113962] RBP: 00007f27215a5000 R08: 00007f27215a4010 R09: 0000000000000000 [ 48.121084] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 48.128205] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 48.135331] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_dev cros_usbpd_notify [ 48.147883] ---[ end trace 55216ed5e2971749 ]--- [ 48.152538] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 48.156532] Code: 89 ff e8 be ae a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 d9 54 92 00 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 e0 f0 93 02 [ 48.175324] RSP: 0018:ffff943280863e60 EFLAGS: 00010286 [ 48.180649] RAX: ffffffffb9adf430 RBX: 0000000000000001 RCX: 0000000000000000 [ 48.187825] RDX: 0000000000000000 RSI: ffff8b082ac1bf70 RDI: ffffffffba79bd70 [ 48.194995] RBP: ffffffffbabe73a8 R08: 0000000000000001 R09: 0000000000000001 [ 48.202161] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 48.209319] R13: ffff943280863f10 R14: ffff943280863f10 R15: ffff8b0804f78000 [ 48.216490] FS: 00007f27217a5580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 [ 48.224591] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.230355] CR2: 00007f27215a5000 CR3: 0000000104c18000 CR4: 00000000001506f0 # Segmentation fault # [ 47.927323] lkdtm: Performing direct entry BUG # [ 47.931944] ------------[ cut here ]------------ # [ 47.936622] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 47.941924] invalid opcode: 0000 [#1] SMP NOPTI # [ 47.946452] CPU: 0 PID: 694 Comm: cat Tainted: G W 5.10.153-cip19 #1 # [ 47.954095] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 # [ 47.960010] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 47.963927] Code: 89 ff e8 be ae a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 d9 54 92 00 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 e0 f0 93 02 # [ 47.982662] RSP: 0018:ffff943280863e60 EFLAGS: 00010286 # [ 47.987879] RAX: ffffffffb9adf430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 47.995001] RDX: 0000000000000000 RSI: ffff8b082ac1bf70 RDI: ffffffffba79bd70 # [ 48.002124] RBP: ffffffffbabe73a8 R08: 0000000000000001 R09: 0000000000000001 # [ 48.009246] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 48.016367] R13: ffff943280863f10 R14: ffff943280863f10 R15: ffff8b0804f78000 # [ 48.023491] FS: 00007f27217a5580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 # [ 48.031566] CS: [ 48.375130] lkdtm: Performing direct entry WARNING 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.037300] CR2: 00007f27215a5000 CR3: 0000000104c18000 CR4: 00000000001506f0 # [ 48.044422] Call Trace: # [ 48.046870] direct_entry.cold+0x2c/0x38 # [ 48.050789] full_proxy_write+0x56/0x80 # [[ 48.395764] ------------[ cut here ]------------ 48.054621] vfs_write+0xea/0x3a0 # [ 48.057931] ksys_write+0x68/0xf0 # [ 48.061241] do_syscall_64+0x33/0x40 # [ 48.064811] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 48.069855] RIP: 0033:0x7f27216b28f3 # [ 48.073423] Code: 8b 15 a1 2[ 48.422524] WARNING: CPU: 0 PID: 730 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 5 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 48.092160] RSP: 002b:00007ffeb9a235a8 EFLAGS: 00000246 ORIG_RAX: [ 48.453121] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_dev cros_usbpd_notify 0000000000000001 # [ 48.099717] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f27216b28f3 # [ 48.106839] RDX: 0000000000000004 RSI: 00007f27215a5000 RDI: 0000000000000001 # [ 48.113962] RBP: 00007f27215a5000 R08: 00007f27215a4010 R09: 0000[ 48.487710] CPU: 0 PID: 730 Comm: cat Tainted: G D W 5.10.153-cip19 #1 000000000000 # [ 48.121084] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 48.128205] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.135331] Modules linked in: fuse ip_tables cros_ec_lightbar cros_e[ 48.517530] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 c_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_dev cros_usbpd_notify # [ 48.147883] ---[ end trace 55216ed5e2971749 ]--- # [ 48.152538] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 48.156532] Code: 89 ff e8 be ae a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea [ 48.545666] RIP: 0010:lkdtm_WARNING+0x13/0x20 ff ff ff e9 d9 54 92 00 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 e0 f0 93 02 # [ 48.175324] RSP: 0018:ffff943280863e60 EFLAGS: 00010286 # [ 48.180649] RAX: ffffffffb9adf430 RBX: 000000000000000[ 48.572263] 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 e0 f0 93 02 01 75 05 e9 ad 54 92 00 <0f> 0b e9 a6 54 92 00 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 c1 f0 1 RCX: 0000000000000000 # [ 48.187825] RDX: 0000000000000000 RSI: ffff8b082ac1bf70 RDI: ffffffffba79bd70 # [ 48.194995] RBP: ffffffffbabe73a8 R08: 0000000000000001 R09: 0000000000000001 # [ 48.202161] R10: 00000000ffffe000 R11: 3fffffffffffffff R1[ 48.613126] RSP: 0018:ffff9432808ebe60 EFLAGS: 00010202 2: 0000000000000004 # [ 48.209319] R13: ffff943280863f10 R14: ffff943280863f10 R15: ffff8b0804f78000 # [ 48.216490] FS: 00007f27217a5580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 # [ 48.224591] CS: 0010 DS: 0000 ES: 0000 CR0: 000000[ 48.640600] RAX: ffffffffb9adf440 RBX: 0000000000000002 RCX: 0000000000000000 0080050033 # [ 48.230355] CR2: 00007f27215a5000 CR3: 0000000104c18000 CR4: 00000000001506f0 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh [ 48.669926] RDX: 0000000000000000 RSI: ffff8b082ac1bf70 RDI: ffffffffba79bd80 [ 48.693541] RBP: ffffffffbab8bd07 R08: 0000000000000000 R09: 0000000000000000 [ 48.700698] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 [ 48.707902] R13: ffff9432808ebf10 R14: ffff9432808ebf10 R15: ffff8b0805841000 [ 48.715041] FS: 00007f7a1db30580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 [ 48.723133] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.728889] CR2: 00007f7a1d8fd000 CR3: 0000000102640000 CR4: 00000000001506f0 [ 48.736016] Call Trace: [ 48.738471] direct_entry.cold+0x2c/0x38 [ 48.742398] full_proxy_write+0x56/0x80 [ 48.746238] vfs_write+0xea/0x3a0 [ 48.749553] ksys_write+0x68/0xf0 [ 48.752870] do_syscall_64+0x33/0x40 [ 48.756447] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 48.761507] RIP: 0033:0x7f7a1da0a8f3 [ 48.765080] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 48.783821] RSP: 002b:00007ffd41274e18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.791382] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f7a1da0a8f3 [ 48.798532] RDX: 0000000000000008 RSI: 00007f7a1d8fd000 RDI: 0000000000000001 [ 48.805665] RBP: 00007f7a1d8fd000 R08: 00007f7a1d8fc010 R09: 0000000000000000 [ 48.812802] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 48.819928] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 48.827069] irq event stamp: 0 [ 48.830124] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 48.836387] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 48.844557] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 48.852724] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 48.858992] ---[ end trace 55216ed5e297174a ]--- # [ 48.375130] lkdtm: Performing direct entry WARNING # [ 48.395764] ------------[ cut here ]------------ # [ 48.422524] WARNING: CPU: 0 PID: 730 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 # [ 48.453121] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_dev cros_usbpd_notify # [ 48.487710] CPU: 0 PID: 730 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 48.517530] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 # [ 48.545666] RIP: 0010:lkdtm_WARNING+0x13/0x20 # [ 48.572263] 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 e0 f0 93 02 01 75 05 e9 ad 54 92 00 <0f> 0b e9 a6 54 92 00 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 c1 f0 # [ 48.613126] RSP: 0018:ffff9432808ebe60 EFLAGS: 00010202 # [ 48.640600] RAX: ffffffffb9adf440 RBX: 0000000000000002 RCX: 0000000000000000 # [ 48.669926] RDX: 0000000000000000 RSI: ffff8b082ac1bf70 RDI: ffffffffba79bd80 # [ 48.693541] RBP: ffffffffbab8bd07 R08: 0000000000000000 R09: 0000000000000000 # [ 48.700698] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ 48.707902] R13: ffff9432808ebf10 R14: ffff9432808ebf10 R15: ffff8b0805841000 # [ 48.715041] FS: 00007f7a1db30580(0000) GS:ffff8b082ac00000(0000) k[ 48.972543] lkdtm: Performing direct entry WARNING_MESSAGE nlGS:0000000000000000 # [ 48.723133] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.728889] CR2: 00007f7a1d8fd000 CR3: 0000000102640000 CR4: 00000000001506f0 # [ 48.736016] Call Trace: # [ 48.738471] direct_entry.cold+0x2c/0x38 # [ [ 48.999250] ------------[ cut here ]------------ 48.742398] full_proxy_write+0x56/0x80 # [ 48.746238] vfs_write+0xea/0x3a0 # [ 48.749553] ksys_write+0x68/0xf0 # [ 48.752870] do_syscall_64+0x33/0x40 # [ 48.756447] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 48.761507] RIP: 0033:0x7f[ 49.026060] Warning message trigger count: 2 7a1da0a8f3 # [ 48.765080] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 48.783821] RSP: 002b[ 49.052607] WARNING: CPU: 0 PID: 765 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 :00007ffd41274e18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.791382] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f7a1da0a8f3 # [ 48.798532] RDX: 0000000000000008 RSI: 00007f7a1d8fd000 RDI: 0000000000000001 # [ 48.805665] RBP: 000[ 49.083825] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_dev cros_usbpd_notify 07f7a1d8fd000 R08: 00007f7a1d8fc010 R09: 0000000000000000 # [ 48.812802] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 48.819928] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.827069] irq event st[ 49.118524] CPU: 0 PID: 765 Comm: cat Tainted: G D W 5.10.153-cip19 #1 amp: 0 # [ 48.830124] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.836387] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 48.844557] softirqs last enabled at (0): [] copy_proc[ 49.148301] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 ess+0x640/0x1c80 # [ 48.852724] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.858992] ---[ end trace 55216ed5e297174a ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh [ 49.176400] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 [ 49.203380] Code: a6 54 92 00 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 c1 f0 93 02 48 c7 c7 68 c2 b8 ba 8d 70 01 89 35 b1 f0 93 02 e8 8b 23 66 00 <0f> 0b e9 79 54 92 00 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 [ 49.222199] RSP: 0018:ffff94328096be60 EFLAGS: 00010286 [ 49.227470] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 49.234674] RDX: ffff8b082ac2c660 RSI: ffff8b082ac1bf70 RDI: ffff8b082ac1bf70 [ 49.241839] RBP: ffffffffbab8bd0f R08: 0000000000000000 R09: 0000000000000000 [ 49.249027] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 [ 49.256199] R13: ffff94328096bf10 R14: ffff94328096bf10 R15: ffff8b080339e000 [ 49.263375] FS: 00007fc95fa15580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 [ 49.271510] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.277320] CR2: 00007fc95f815000 CR3: 00000001030b8000 CR4: 00000000001506f0 [ 49.284493] Call Trace: [ 49.287057] direct_entry.cold+0x2c/0x38 [ 49.291023] full_proxy_write+0x56/0x80 [ 49.294909] vfs_write+0xea/0x3a0 [ 49.298250] ksys_write+0x68/0xf0 [ 49.301600] do_syscall_64+0x33/0x40 [ 49.305185] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 49.310233] RIP: 0033:0x7fc95f9228f3 [ 49.313807] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 49.332564] RSP: 002b:00007ffd5865e828 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.340131] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fc95f9228f3 [ 49.347259] RDX: 0000000000000010 RSI: 00007fc95f815000 RDI: 0000000000000001 [ 49.354406] RBP: 00007fc95f815000 R08: 00007fc95f814010 R09: 0000000000000000 [ 49.361534] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 49.368663] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 49.375797] irq event stamp: 0 [ 49.378852] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 49.385137] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 49.393312] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 49.401488] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 49.407749] ---[ end trace 55216ed5e297174b ]--- # [ 48.972543] lkdtm: Performing direct entry WARNING_MESSAGE # [ 48.999250] ------------[ cut here ]------------ # [ 49.026060] Warning message trigger count: 2 # [ 49.052607] WARNING: CPU: 0 PID: 765 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 49.083825] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_dev cros_usbpd_notify # [ 49.118524] CPU: 0 PID: 765 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 49.148301] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 # [ 49.176400] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 49.203380] Code: a6 54 92 00 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 c1 f0 93 02 48 c7 c7 68 c2 b8 ba 8d 70 01 89 35 b1 f0 93 02 e8 8b 23 66 00 <0f> 0b e9 79 54 92 00 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 49.222199] RSP: 0018:ffff94328096be60 EFLAGS: 00010286 # [ 49.227470] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 49.234674] RDX: ffff8b082ac2c660 RSI: ffff8b082ac1bf70 RDI: ffff8b082ac1bf70 # [ 49.241839] RBP: ffffffffbab8bd0f R08: 0000000000000000 R09: 0000000000000000 # [ 49.249027] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 49.256199] R13: ffff94328096bf10 R14: ffff94328096bf10 R15: ffff8b080339e000 # [ 49.263375] FS: 00007fc95fa15580(0000)[ 49.525164] lkdtm: Performing direct entry EXCEPTION GS:ffff8b082ac00000(0000) knlGS:0000000000000000 # [ 49.271510] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.277320] CR2: 00007fc95f815000 CR3: 00000001030b8000 CR4: 00000000001506f0 # [ 49.284493] Call Trace: # [ 49.287057] direc[ 49.551355] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 49.580413] #PF: supervisor write access in kernel mode [ 49.585628] #PF: error_code(0x0002) - not-present page [ 49.590755] PGD 0 P4D 0 [ 49.593287] Oops: 0002 [#2] SMP NOPTI [ 49.596944] CPU: 1 PID: 797 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 49.604587] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 [ 49.610501] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 [ 49.614937] Code: 48 c7 c7 68 c2 b8 ba 8d 70 01 89 35 b1 f0 93 02 e8 8b 23 66 00 0f 0b e9 79 54 92 00 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 e9 5b 54 92 00 66 66 2e 0f 1f 84 [ 49.633673] RSP: 0018:ffff9432809d3e60 EFLAGS: 00010286 [ 49.638889] RAX: ffffffffb9adf490 RBX: 0000000000000004 RCX: 0000000000000000 [ 49.646010] RDX: 0000000000000000 RSI: ffff8b082ad1bf70 RDI: ffffffffba79bda0 [ 49.653132] RBP: ffffffffbaac1027 R08: 0000000000000000 R09: 0000000000000000 [ 49.660254] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 49.667376] R13: ffff9432809d3f10 R14: ffff9432809d3f10 R15: ffff8b0805843000 [ 49.674498] FS: 00007f4350f15580(0000) GS:ffff8b082ad00000(0000) knlGS:0000000000000000 [ 49.682573] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.688309] CR2: 0000000000000000 CR3: 000000010303c000 CR4: 00000000001506e0 [ 49.695431] Call Trace: [ 49.697879] direct_entry.cold+0x2c/0x38 [ 49.701799] full_proxy_write+0x56/0x80 [ 49.705631] vfs_write+0xea/0x3a0 [ 49.708942] ksys_write+0x68/0xf0 [ 49.712253] do_syscall_64+0x33/0x40 [ 49.715822] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 49.720866] RIP: 0033:0x7f4350df28f3 [ 49.724435] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 49.743170] RSP: 002b:00007ffce92f1eb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.750726] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f4350df28f3 [ 49.757848] RDX: 000000000000000a RSI: 00007f4350ce5000 RDI: 0000000000000001 [ 49.764970] RBP: 00007f4350ce5000 R08: 00007f4350ce4010 R09: 0000000000000000 [ 49.772091] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 49.779211] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 49.786337] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_dev cros_usbpd_notify [ 49.798757] CR2: 0000000000000000 t_entry.cold+0x2c/0x38 # [ 49.291023] full_proxy_write+0x56/0x80 # [ 49.294909] vfs_write+0xea/0x3a0 # [ 49.298250] ksys_write+0x68/0xf0 # [ 49.301600] do_syscall_64+0x33/0x40 # [ 49.305185] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [[ 49.802172] ---[ end trace 55216ed5e297174c ]--- 49.310233] RIP: 0033:0x7fc95f9228f3 # [ 49.313807] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18[ 49.828987] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 49.332564] RSP: 002b:00007ffd5865e828 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.340131] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fc95f9228f3 # [ 49.347259] RDX: 0000000000000010 RSI: 00007fc95f815000 RDI: 000000000000000[ 49.855086] Code: 89 ff e8 be ae a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 d9 54 92 00 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 e0 f0 93 02 1 # [ 49.354406] RBP: 00007fc95f815000 R08: 00007fc95f814010 R09: 0000000000000000 # [ 49.361534] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 49.368663] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 #[ 49.896001] RSP: 0018:ffff943280863e60 EFLAGS: 00010286 [ 49.375797] irq event stamp: 0 # [ 49.378852] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.385137] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 49.393312] softirqs last enabled at (0): [<[ 49.923423] RAX: ffffffffb9adf430 RBX: 0000000000000001 RCX: 0000000000000000 ffffffffb9300cf0>] copy_process+0x640/0x1c80 # [ 49.401488] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.407749] ---[ end trace 55216ed5e297174b ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESS[ 49.952726] RDX: 0000000000000000 RSI: ffff8b082ac1bf70 RDI: ffffffffba79bd70 AGE.sh # selftests: lkdtm: EXCEPTION.sh [ 49.981991] RBP: ffffffffbabe73a8 R08: 0000000000000001 R09: 0000000000000001 [ 49.992744] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 49.999872] R13: ffff943280863f10 R14: ffff943280863f10 R15: ffff8b0804f78000 [ 50.006999] FS: 00007f4350f15580(0000) GS:ffff8b082ad00000(0000) knlGS:0000000000000000 [ 50.015080] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.020822] CR2: 0000000000000000 CR3: 000000010303c000 CR4: 00000000001506e0 # Killed # [ 49.525164] lkdtm: Performing direct entry EXCEPTION # [ 49.551355] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 49.580413] #PF: supervisor write access in kernel mode # [ 49.585628] #PF: error_code(0x0002) - not-present page # [ 49.590755] PGD 0 P4D 0 # [ 49.593287] Oops: 0002 [#2] SMP NOPTI # [ 49.596944] CPU: 1 PID: 797 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 49.604587] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 # [ 49.610501] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 49.614937] Code: 48 c7 c7 68 c2 b8 ba 8d 70 01 89 35 b1 f0 93 02 e8 8b 23 66 00 0f 0b e9 79 54 92 00 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 e9 5b 54 92 00 66 66 2e 0f 1f 84 # [ 49.633673] RSP: 0018:ffff9432809d3e60 EFLAGS: 00010286 # [ 49.638889] RAX: ffffffffb9adf490 RBX: 0000000000000004 RCX: 0000000000000000 # [ 49.646010] RDX: 0000000000000000 RSI: ffff8b082ad1bf70 RDI: ffffffffba79bda0 # [ 49.653132] RBP: ffffffffbaac1027 R08: 0000000000000000 R09: 0000000000000000 # [ 49.660254] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 49.667376] R13: ffff9432809d3f10 R14: ffff9432809d3f10 R15: ffff8b0805843000 # [ 49.674498] FS: 00007f4350f15580(0000) GS:ffff8b082ad00000(0000) knlGS:0000000000000000 # [ 49.682573] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.688309] CR2: 0000000000000000 CR3: 000000010303c000 CR4: 00000000001506e0 # [ 49.695431] Call Trace: # [ 49.697879] direct_entry.cold+0x2c/0x38 # [ 49.701799] full_proxy_write+0x56/0x80 # [ 49.705631] vfs_write+0xea/0x3a0 # [ 49.708942] ksys_write+0x68/0xf0 # [ 49.712253] do_syscall_64+0x33/0x40 # [ 49.715822] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 49.720866] RIP: 0033:0x7f4350df28f3 # [ 49.724435] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 49.743170] RSP: 002b:00007ffce92f1eb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.750726] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f4350df28f3 # [ 49.757848] RDX: 000000000000000a RSI: 00007f4350ce5000 RDI: 0000000000000001 # [ 49.764970] RBP: 00007f4350ce5000 R08: 00007f4350ce4010 R09: 0000000000000000 # [ 49.772091] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 49.779211] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.786337] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_dev cros_usbpd_notify # [ 49.798757] CR2: 0000000000000000 # [ 49.802172] ---[ end trace 55216ed5e297174c ]--- # [ 49.828987] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 49.855086] Code: 89 ff e8 be ae a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 d9 54 92 00 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 e0 f0 93 02 # [ 49.896001] RSP: 0018:ffff943280863e60 EFLAGS: 00010286 # [ 49.923423] RAX: ffffffffb9adf430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 49.952726] RDX: 0000000000000000 RSI: ffff8b082ac1bf70 RDI: ffffffffba79bd70 # [ 49.981991] RBP: ffffffffbabe73a8 R08: 0000000000000001 R09: 0000000000000001 # [ 49.992744] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 49.999872] R13: ffff943280863f10 R14: ffff943280863f10 R15: ffff8b0804f78000 # [ 50.006999] FS: 00007f4350f15580(0000) GS:ffff8b082ad00000(0000) knlGS:0000000000000000 # [ 50.015080] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.020822] CR2: 0000000000000000 CR3: 000000010303c000 CR4: 00000000001506e0 # 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_ST[ 50.389003] lkdtm: Performing direct entry CORRUPT_LIST_ADD ACK.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: CORRU[ 50.414516] lkdtm: attempting good list addition PT_STACK_STRONG.sh # SKIP # selftests: lkdtm: CORRUPT_LIST_ADD.sh [ 50.441349] lkdtm: attempting corrupted list addition [ 50.452248] lkdtm: list_add() corruption not detected! # [ 50.389003] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 50.414516] lkdtm: attempting good list addition # [ 50.441349] lkdtm: attempting corrupted list addition # [ 50.452248] 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 [ 50.570866] lkdtm: Performing direct entry CORRUPT_LIST_DEL [ 50.576444] lkdtm: attempting good list removal [ 50.580977] lkdtm: attempting corrupted list removal [ 50.585971] lkdtm: list_del() corruption not detected! # [ 50.570866] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 50.576444] lkdtm: attempting good list removal # [ 50.580977] lkdtm: attempting corrupted list removal # [ 50.585971] 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 [ 50.718654] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 50.724938] lkdtm: attempting bad read from page below current stack [ 50.731342] BUG: stack guard page was hit at 000000006a7625ff (stack is 00000000425069ed..000000001aa5cede) [ 50.741073] kernel stack overflow (page fault): 0000 [#3] SMP NOPTI [ 50.747333] CPU: 0 PID: 1022 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 50.755062] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 [ 50.760975] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a [ 50.766798] Code: 77 29 00 0f 1f 44 00 00 53 48 c7 c7 08 c6 b8 ba 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 2a a0 fd ff 48 c7 c7 48 c6 b8 ba <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 10 a0 fd ff 0f 1f 44 [ 50.785534] RSP: 0018:ffff943280cf3e50 EFLAGS: 00010246 [ 50.790751] RAX: 0000000000000038 RBX: ffff943280cf0000 RCX: 0000000000000000 [ 50.797872] RDX: 0000000000000000 RSI: ffff8b082ac1bf70 RDI: ffffffffbab8c648 [ 50.804993] RBP: ffffffffbab8bd72 R08: 0000000000000000 R09: 0000000000000000 [ 50.812115] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 [ 50.819236] R13: ffff943280cf3f10 R14: ffff943280cf3f10 R15: ffff8b08032d0000 [ 50.826358] FS: 00007f86ce199580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 [ 50.834432] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.840165] CR2: ffff943280ceffff CR3: 0000000103c32000 CR4: 00000000001506f0 [ 50.847287] Call Trace: [ 50.849733] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 [ 50.854257] direct_entry.cold+0x2c/0x38 [ 50.858175] full_proxy_write+0x56/0x80 [ 50.862006] vfs_write+0xea/0x3a0 [ 50.865316] ksys_write+0x68/0xf0 [ 50.868627] do_syscall_64+0x33/0x40 [ 50.872195] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 50.877239] RIP: 0033:0x7f86ce0728f3 [ 50.880808] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 50.899543] RSP: 002b:00007fffe9713ee8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.907099] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f86ce0728f3 [ 50.914220] RDX: 0000000000000019 RSI: 00007f86cdf65000 RDI: 0000000000000001 [ 50.921341] RBP: 00007f86cdf65000 R08: 00007f86cdf64010 R09: 0000000000000000 [ 50.928463] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 50.935585] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 50.942710] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_dev cros_usbpd_notify [ 50.955132] ---[ end trace 55216ed5e297174d ]--- [ 50.959742] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 50.963658] Code: 89 ff e8 be ae a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 d9 54 92 00 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 e0 f0 93 02 [ 50.982394] RSP: 0018:ffff943280863e60 EFLAGS: 00010286 [ 50.987608] RAX: ffffffffb9adf430 RBX: 0000000000000001 RCX: 0000000000000000 [ 50.994728] RDX: 0000000000000000 RSI: ffff8b082ac1bf70 RDI: ffffffffba79bd70 [ 51.001848] RBP: ffffffffbabe73a8 R08: 0000000000000001 R09: 0000000000000001 [ 51.008970] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 51.016092] R13: ffff943280863f10 R14: ffff943280863f10 R15: ffff8b0804f78000 [ 51.023213] FS: 00007f86ce199580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 [ 51.031288] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.037024] CR2: ffff943280ceffff CR3: 0000000103c32000 CR4: 00000000001506f0 [ 51.044147] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 51.053001] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1022, name: cat [ 51.060554] INFO: lockdep is turned off. [ 51.064469] irq event stamp: 0 [ 51.067517] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 51.073774] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 51.081935] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 51.090096] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 51.096351] CPU: 0 PID: 1022 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 51.104078] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 [ 51.109986] Call Trace: [ 51.112431] dump_stack+0x77/0x9b [ 51.115742] ___might_sleep.cold+0xa6/0xb6 [ 51.119834] exit_signals+0x1c/0x2e0 [ 51.123404] do_exit+0xd5/0xb00 [ 51.126539] ? ksys_write+0x68/0xf0 [ 51.130025] rewind_stack_do_exit+0x17/0x20 [ 51.134201] RIP: 0033:0x7f86ce0728f3 [ 51.137770] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 51.156504] RSP: 002b:00007fffe9713ee8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.164061] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f86ce0728f3 [ 51.171182] RDX: 0000000000000019 RSI: 00007f86cdf65000 RDI: 0000000000000001 [ 51.178303] RBP: 00007f86cdf65000 R08: 00007f86cdf64010 R09: 0000000000000000 [ 51.185423] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 51.192544] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # Segmentation fault # [ 50.718654] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 50.724938] lkdtm: attempting bad read from page below current stack # [ 50.731342] BUG: stack guard page was hit at 000000006a7625ff (stack is 00000000425069ed..000000001aa5cede) # [ 50.741073] kernel stack overflow (page fault): 0000 [#3] SMP NOPTI # [ 50.747333] CPU: 0 PID: 1022 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 50.755062] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 # [ 50.760975] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 50.766798] Code: 77 29 00 0f 1f 44 00 00 53 48 c7 c7 08 c6 b8 ba 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 2a a0 fd ff 48 c7 c7 48 c6 b8 ba <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 10 a0 fd ff 0f 1f 44 # [ 50.785534] RSP: 0018:ffff943280cf3e50 EFLAGS: 00010246 # [ 50.790751] RAX: 0000000000000038 RBX: ffff943280cf0000 RCX: 0000000000000000 # [ 50.797872] RDX: 0000000000000000 RSI: ffff8b082ac1bf70 RDI: ffffffffbab8c648 # [ 50.804993] RBP: ffffffffbab8bd72 R08: 0000000000000000 R09: 0000000000000000 [ 51.324278] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 50.812115] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 50.819236] R13: ffff943280cf3f10 R14: ffff943280cf3f10 R15: ffff8b08032d0000 # [ 50.826358] FS: 00007f86ce199580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000[ 51.333880] lkdtm: attempting bad read from page above current stack 000000 # [ 50.834432] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.840165] CR2: ffff943280ceffff CR3: 0000000103c32000 CR4: 00000000001506f0 # [ 50.847287] Call Trace: # [ 50.849733] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 # [ 50.854[ 51.362432] BUG: stack guard page was hit at 000000006c26f229 (stack is 0000000063a7d6f0..000000003b1c95ee) 257] direct_entry.cold+0x2c/0x38 # [ 50.858175] full_proxy_write+0x56/0x80 # [ 50.862006] vfs_write+0xea/0x3a0 # [ 50.865316] ksys_write+0x68/0xf0 # [ 50.868627] do_syscall_64+0x33/0x40 # [ 50.872195] entry_SYSCALL_64_after_hwframe+0x6[ 51.394309] kernel stack overflow (page fault): 0000 [#4] SMP NOPTI 1/0xc6 # [ 50.877239] RIP: 0033:0x7f86ce0728f3 # [ 50.880808] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 [ 51.422748] CPU: 0 PID: 1055 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 51.452661] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 89 54 24 18 # [ 50.899543] RSP: 002b:00007fffe9713ee8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.907099] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f86ce0728f3 # [ 50.914220] RDX: 0000000000000019 RSI: 00007f86cdf65000 RDI: 0000[ 51.458576] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d 00[0000000001 # [ 50.921341] RBP: 00007f86cdf65000 R08: 00007f86cdf64010 R09: 0000000000000000 # [ 50.928463] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 50.935585] R13: 0000000000000001 R14: 0000000000020000 R15: 00000000 51.486665] Code: a0 fd ff 0f 1f 44 00 00 53 48 c7 c7 80 c6 b8 ba 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 f0 9f fd ff 48 c7 c7 c0 c6 b8 ba <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 d3 9f fd ff 00[020000 # [ 50.942710] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_dev cros_usbpd_notify # [ 50.955132] ---[ end trace 55216ed5e297174d ]--- # [ 50.959742] RIP: 0010:lkdtm_BUG+0x5/0x10 51.527587] RSP: 0018:ffff943280d63e50 EFLAGS: 00010246 [ 51.554992] RAX: 0000000000000038 RBX: ffff943280d60000 RCX: 0000000000000000 # [ 50.963658] Code: 89 ff e8 be ae a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 d9 54 92 00 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 e0 f0 93 02 # [ 50.982394] RSP: 0018:ffff943280[ 51.562115] RDX: 0000000000000000 RSI: ffff8b082ac1bf70 RDI: ffffffffbab8c6c0 [ 51.591421] RBP: ffffffffbab8bd8b R08: 0000000000000000 R09: 0000000000000000 863e60 EFLAGS: 00010286 # [ 50.987608] RAX: ffffffffb9adf430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 50.994728] RDX: 0000000000000000 RSI: ffff8b082ac1bf70 RDI: ffffffffba79bd70 # [ 51.001848] RBP: ffffffffbabe73a8 R08: 0000000000000001 R0[ 51.598543] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a [ 51.627849] R13: ffff943280d63f10 R14: ffff943280d63f10 R15: ffff8b0803392000 9: 0000000000000001 # [ 51.008970] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 51.016092] R13: ffff943280863f10 R14: ffff943280863f10 R15: ffff8b0804f78000 # [ 51.023213] FS: 00007f86ce199580(0000) GS:ffff8b082ac00000(00[ 51.634972] FS: 00007fb5e68943c0(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 [ 51.665229] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 00) knlGS:0000000000000000 # [ 51.031288] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.037024] CR2: ffff943280ceffff CR3: 0000000103c32000 CR4: 00000000001506f0 # [ 51.044147] BUG: sleeping function called from invalid context at inclu[ 51.670965] CR2: ffff943280d64000 CR3: 0000000105870000 CR4: 00000000001506f0 [ 51.700270] Call Trace: de/linux/percpu-rwsem.h:49 # [ 51.053001] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1022, name: cat # [ 51.060554] INFO: lockdep is turned off. # [ 51.064469] irq event stamp: 0 # [ 51.067517] hardirqs last enabled at (0): [<00000[ 51.702717] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a 00000000000>] 0x0 # [ 51.073774] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 51.081935] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 51.090096] softirqs last disabled at (0[ 51.730116] direct_entry.cold+0x2c/0x38 ): [<0000000000000000>] 0x0 # [ 51.096351] CPU: 0 PID: 1022 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 51.104078] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 # [ 51.109986] Call Trace: # [ 51.112431] dump_stack+0x77/0x[ 51.756220] full_proxy_write+0x56/0x80 9b # [ 51.115742] ___might_sleep.cold+0xa6/0xb6 # [ 51.119834] exit_signals+0x1c/0x2e0 # [ 51.123404] do_exit+0xd5/0xb00 # [ 51.126539] ? ksys_write+0x68/0xf0 # [ 51.130025] rewind_stack_do_exit+0x17/0x20 # [ 51.134201] RIP: 0033:0x7[ 51.782236] vfs_write+0xea/0x3a0 f86ce0728f3 # [ 51.137770] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 51.156504] RSP: 002[ 51.807732] ksys_write+0x68/0xf0 b:00007fffe9713ee8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.164061] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f86ce0728f3 # [ 51.171182] RDX: 0000000000000019 RSI: 00007f86cdf65000 RDI: 0000000000000001 # [ 51.178303] RBP: 00[ 51.833230] do_syscall_64+0x33/0x40 007f86cdf65000 R08: 00007f86cdf64010 R09: 0000000000000000 # [ 51.185423] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.192544] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACK_GUARD_PAGE_LEADING: [ 51.858986] entry_SYSCALL_64_after_hwframe+0x61/0xc6 saw 'call trace:': ok ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh [ 51.886215] RIP: 0033:0x7fb5e67728f3 [ 51.900704] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 51.919439] RSP: 002b:00007ffe7c2874a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.926997] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007fb5e67728f3 [ 51.934120] RDX: 000000000000001a RSI: 00007fb5e6665000 RDI: 0000000000000001 [ 51.941241] RBP: 00007fb5e6665000 R08: 00007fb5e6664010 R09: 0000000000000000 [ 51.948363] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 51.955485] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 51.962611] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_dev cros_usbpd_notify [ 51.975033] ---[ end trace 55216ed5e297174e ]--- [ 51.979645] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 51.983563] Code: 89 ff e8 be ae a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 d9 54 92 00 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 e0 f0 93 02 [ 52.002297] RSP: 0018:ffff943280863e60 EFLAGS: 00010286 [ 52.007514] RAX: ffffffffb9adf430 RBX: 0000000000000001 RCX: 0000000000000000 [ 52.014636] RDX: 0000000000000000 RSI: ffff8b082ac1bf70 RDI: ffffffffba79bd70 [ 52.021758] RBP: ffffffffbabe73a8 R08: 0000000000000001 R09: 0000000000000001 [ 52.028880] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 52.036002] R13: ffff943280863f10 R14: ffff943280863f10 R15: ffff8b0804f78000 [ 52.043125] FS: 00007fb5e68943c0(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 [ 52.051202] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.056938] CR2: ffff943280d64000 CR3: 0000000105870000 CR4: 00000000001506f0 [ 52.251054] lkdtm: Performing direct entry UNSET_SMEP # Segmentation fault # [ 51.324278] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 51.333880] lkdtm: attempting bad read from page above current stack # [ 51.362432] BUG: stack guard page was hit at 000000006c26f229 (stack is 0000000[ 52.256108] lkdtm: trying to clear SMEP normally 063a7d6f0..000000003b1c95ee) # [ 51.394309] kernel stack overflow (page fault): 0000 [#4] SMP NOPTI # [ 51.422748] CPU: 0 PID: 1055 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 51.452661] Hardware name: Google Grunt/Grunt, BIOS 09/[ 52.282924] ------------[ cut here ]------------ 05/2019 # [ 51.458576] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 51.486665] Code: a0 fd ff 0f 1f 44 00 00 53 48 c7 c7 80 c6 b8 ba 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 f0 9f fd ff 48 c7 c7 c0 c6 b8 ba <8a> 83 00 40 00 00 88 44 24[ 52.309739] pinned CR4 bits changed: 0x100000!? 07 0f b6 74 24 07 5a 5b e9 d3 9f fd ff # [ 51.527587] RSP: 0018:ffff943280d63e50 EFLAGS: 00010246 # [ 51.554992] RAX: 0000000000000038 RBX: ffff943280d60000 RCX: 0000000000000000 # [ 51.562115] RDX: 0000000000000000 RSI: ffff8b082ac1bf70 RDI: fff[ 52.336440] WARNING: CPU: 0 PID: 1091 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 fffffbab8c6c0 # [ 51.591421] RBP: ffffffffbab8bd8b R08: 0000000000000000 R09: 0000000000000000 # [ 51.598543] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 51.627849] R13: ffff943280d63f10 R14: ffff943280d63f10 R15: ffff8b0[ 52.367728] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_dev cros_usbpd_notify 803392000 # [ 51.634972] FS: 00007fb5e68943c0(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 # [ 51.665229] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.670965] CR2: ffff943280d64000 CR3: 0000000105870000 CR4: 00000000001506f0[ 52.402371] CPU: 0 PID: 1091 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 51.700270] Call Trace: # [ 51.702717] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a # [ 51.730116] direct_entry.cold+0x2c/0x38 # [ 51.756220] full_proxy_write+0x56/0x80 # [ 51.782236] vfs_write+0xea/0x3a0 # [ 51.807732] ksys_write+[ 52.432346] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 0x68/0xf0 # [ 51.833230] do_syscall_64+0x33/0x40 # [ 51.858986] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 51.886215] RIP: 0033:0x7fb5e67728f3 # [ 51.900704] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 0[ 52.460373] RIP: 0010:native_write_cr4+0x45/0x60 4 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 51.919439] RSP: 002b:00007ffe7c2874a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.926997] RAX: ffffffffffffffda RBX: 0000[ 52.487232] Code: 39 c2 75 2d 48 85 f6 75 05 e9 07 01 14 01 80 3d 78 a4 e3 01 00 75 f2 48 c7 c7 68 b0 ac ba c6 05 68 a4 e3 01 01 e8 f6 cf e7 00 <0f> 0b e9 e4 00 14 01 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 00000000001a RCX: 00007fb5e67728f3 # [ 51.934120] RDX: 000000000000001a RSI: 00007fb5e6665000 RDI: 0000000000000001 # [ 51.941241] RBP: 00007fb5e6665000 R08: 00007fb5e6664010 R09: 0000000000000000 # [ 51.948363] R10: fffffffffffffbc5 R11: 00000000[ 52.528135] RSP: 0018:ffff943280ddbe48 EFLAGS: 00010286 00000246 R12: 0000000000000001 # [ 51.955485] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.962611] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_dev cros_usbpd_not[ 52.555506] RAX: 0000000000000000 RBX: 00000000000506f0 RCX: 0000000000000000 ify # [ 51.975033] ---[ end trace 55216ed5e297174e ]--- # [ 51.979645] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 51.983563] Code: 89 ff e8 be ae a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 d9 54 92 00 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 [ 52.584791] RDX: ffff8b082ac2c660 RSI: ffff8b082ac1bf70 RDI: ffff8b082ac1bf70 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 f0 93 02 # [ 52.002297] RSP: 0018:ffff943280863e60 EFLAGS: 00010286 # [ 52.007514] RAX: ffffffffb9adf430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 52.014636] RDX: 0000000000000000 RS[ 52.614180] RBP: ffffffffbab8bda5 R08: 0000000000000000 R09: 0000000000000000 I: ffff8b082ac1bf70 RDI: ffffffffba79bd70 # [ 52.021758] RBP: ffffffffbabe73a8 R08: 0000000000000001 R09: 0000000000000001 # [ 52.028880] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 52.036002] R13: ffff943280863f10 R14: f[ 52.643411] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b fff943280863f10 R15: ffff8b0804f78000 # [ 52.043125] FS: 00007fb5e68943c0(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 # [ 52.051202] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.056938] CR2: ffff943280d64000 CR3: 0000000105[ 52.672724] R13: ffff943280ddbf10 R14: ffff943280ddbf10 R15: ffff8b0805843000 870000 CR4: 00000000001506f0 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh [ 52.702027] FS: 00007f60a68cc3c0(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 [ 52.724936] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.730717] CR2: 00007f60a669d000 CR3: 00000001030a4000 CR4: 00000000001506f0 [ 52.737878] Call Trace: [ 52.740377] lkdtm_UNSET_SMEP.cold+0x1d/0x103 [ 52.744781] direct_entry.cold+0x2c/0x38 [ 52.748778] full_proxy_write+0x56/0x80 [ 52.752687] vfs_write+0xea/0x3a0 [ 52.756080] ksys_write+0x68/0xf0 [ 52.759443] do_syscall_64+0x33/0x40 [ 52.763096] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 52.768222] RIP: 0033:0x7f60a67aa8f3 [ 52.771873] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 52.790697] RSP: 002b:00007ffdce2bacf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.798354] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f60a67aa8f3 [ 52.805532] RDX: 000000000000000b RSI: 00007f60a669d000 RDI: 0000000000000001 [ 52.812742] RBP: 00007f60a669d000 R08: 00007f60a669c010 R09: 0000000000000000 [ 52.819895] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 52.827040] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 52.834180] irq event stamp: 0 [ 52.837236] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 52.843497] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 52.851663] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 52.859849] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 52.866114] ---[ end trace 55216ed5e297174f ]--- [ 52.870731] lkdtm: ok: SMEP did not get cleared [ 52.875257] lkdtm: trying to clear SMEP with call gadget [ 52.880565] lkdtm: ok: SMEP removal was reverted # [ 52.251054] lkdtm: Performing direct entry UNSET_SMEP # [ 52.256108] lkdtm: trying to clear SMEP normally # [ 52.282924] ------------[ cut here ]------------ # [ 52.309739] pinned CR4 bits changed: 0x100000!? # [ 52.336440] WARNING: CPU: 0 PID: 1091 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 # [ 52.367728] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_dev cros_usbpd_notify # [ 52.402371] CPU: 0 PID: 1091 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 52.432346] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 # [ 52.460373] RIP: 0010:native_write_cr4+0x45/0x60 # [ 52.487232] Code: 39 c2 75 2d 48 85 f6 75 05 e9 07 01 14 01 80 3d 78 a4 e3 01 00 75 f2 48 c7 c7 68 b0 ac ba c6 05 68 a4 e3 01 01 e8 f6 cf e7 00 <0f> 0b e9 e4 00 14 01 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ 52.528135] RSP: 0018:ffff943280ddbe48 EFLAGS: 00010286 # [ 52.555506] RAX: 0000000000000000 RBX: 00000000000506f0 RCX: 0000000000000000 # [ 52.584791] RDX: ffff8b082ac2c660 RSI: ffff8b082ac1bf70 RDI: ffff8b082ac1bf70 # [ 52.614180] RBP: ffffffffbab8bda5 R08: 0000000000000000 R09: 0000000000000000 # [ 52.643411] R10: [ 52.996190] lkdtm: Performing direct entry DOUBLE_FAULT 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 52.672724] R13: ffff943280ddbf10 R14: ffff943280ddbf10 R15: ffff8b0805843000 # [ 52.702027] FS: 00007f60a68cc3c0(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 # [ 52.724936[ 53.017145] lkdtm: XFAIL: this test is ia32-only ] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.730717] CR2: 00007f60a669d000 CR3: 00000001030a4000 CR4: 00000000001506f0 # [ 52.737878] Call Trace: # [ 52.740377] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 52.744781] direct_entry.cold+0x2c/0x38 # [ 52.748778] full_proxy_write+0x56/0x80 # [ 52.752687] vfs_write+0xea/0x3a0 # [ 52.756080] ksys_write+0x68/0xf0 # [ 52.759443] do_syscall_64+0x33/0x40 # [ 52.763096] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 52.768222] RIP: 0033:0x7f60a67aa8f3 # [ 52.771873] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 52.790697] RSP: 002b:00007ffdce2bacf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.798354] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f60a67aa8f3 # [ 52.805532] RDX: 000000000000000b RSI: 00007f60a669d000 RDI: 0000000000000001 # [ 52.812742] RBP: 00007f60a669d000 R08: 00007f60a669c010 R09: 0000000000000000 # [ 52.819895] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 52.827040] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 52.834180] irq event stamp: 0 # [ 52.837236] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 52.843497] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 52.851663] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 52.859849] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 52.866114] ---[ end trace 55216ed5e297174f ]--- # [ 52.870731] lkdtm: ok: SMEP did not get cleared # [ 52.875257] lkdtm: trying to clear S[ 53.189125] lkdtm: Performing direct entry CORRUPT_PAC MEP with call gadget # [ 52.880565] 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 # [ 52.996190] lkdtm: Performing direct entry DOUBL[ 53.204374] lkdtm: XFAIL: this test is arm64-only E_FAULT # [ 53.017145] lkdtm: XFAIL: this test is ia32-only # DOUBLE_FAULT: saw 'XFAIL': [SKIP] ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP # selftests: lkdtm: CORRUPT_PAC.sh # [ 53.189125] lkdtm: Performing direct entry CORRUPT_PAC # [ 53.204374] 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 [ 53.335723] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE [ 53.342179] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 53.335723] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 53.342179] 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 [ 53.557074] lkdtm: Performing direct entry READ_AFTER_FREE [ 53.562574] lkdtm: Value in memory before free: 12345678 [ 53.567924] lkdtm: Attempting bad read from freed memory [ 53.573269] lkdtm: Memory was not poisoned # [ 53.557074] lkdtm: Performing direct entry READ_AFTER_FREE # [ 53.562574] lkdtm: Value in memory before free: 12345678 # [ 53.567924] lkdtm: Attempting bad read from freed memory # [ 53.573269] 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 [ 53.735954] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE [ 53.741983] lkdtm: Value in memory before free: 12345678 [ 53.747331] lkdtm: Attempting to read from freed memory [ 53.752561] lkdtm: Buddy page was not poisoned # [ 53.735954] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 53.741983] lkdtm: Value in memory before free: 12345678 # [ 53.747331] lkdtm: Attempting to read from freed memory # [ 53.752561] 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 [ 53.853367] lkdtm: Performing direct entry SLAB_FREE_DOUBLE [ 53.858961] lkdtm: Attempting double slab free ... # [ 53.853367] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 53.858961] 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 [ 53.974960] lkdtm: Performing direct entry SLAB_FREE_CROSS [ 53.980472] lkdtm: Attempting cross-cache slab free ... # [ 53.974960] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 53.980472] 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 [ 54.082910] lkdtm: Performing direct entry SLAB_FREE_PAGE [ 54.088342] lkdtm: Attempting non-Slab slab free ... # [ 54.082910] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 54.088342] 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 [ 54.422110] lkdtm: Performing direct entry EXEC_DATA [ 54.427095] lkdtm: attempting ok execution at ffffffffb9adf800 [ 54.432958] lkdtm: attempting bad execution at ffffffffbc41e560 [ 54.438881] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 54.446350] BUG: unable to handle page fault for address: ffffffffbc41e560 [ 54.453212] #PF: supervisor instruction fetch in kernel mode [ 54.458860] #PF: error_code(0x0011) - permissions violation [ 54.464422] PGD b4829067 P4D b4829067 PUD b482a063 PMD 80000000b5e001e3 [ 54.471116] Oops: 0011 [#5] SMP NOPTI [ 54.474773] CPU: 0 PID: 1598 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 54.482503] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 [ 54.488417] RIP: 0010:data_area+0x0/0x40 [ 54.492334] Code: ff ff 00 4b 06 04 08 8b ff ff 00 4a 06 04 08 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 e9 f6 50 92 00 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 54.511069] RSP: 0018:ffff94328151be48 EFLAGS: 00010246 [ 54.516285] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.523408] RDX: 0000000000000000 RSI: ffff8b082ac1bf70 RDI: ffff8b082ac1bf70 [ 54.530531] RBP: ffffffffbc41e560 R08: 0000000000000000 R09: 0000000000000000 [ 54.537652] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 54.544775] R13: ffff94328151bf10 R14: ffff94328151bf10 R15: ffff8b0804bfd000 [ 54.551897] FS: 00007fc81cb65580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 [ 54.559973] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.565708] CR2: ffffffffbc41e560 CR3: 000000010301e000 CR4: 00000000001506f0 [ 54.572830] Call Trace: [ 54.575279] ? execute_location+0x48/0x56 [ 54.579283] ? direct_entry.cold+0x2c/0x38 [ 54.583375] ? full_proxy_write+0x56/0x80 [ 54.587379] ? vfs_write+0xea/0x3a0 [ 54.590862] ? ksys_write+0x68/0xf0 [ 54.594346] ? do_syscall_64+0x33/0x40 [ 54.598090] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 54.603309] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_dev cros_usbpd_notify [ 54.615728] CR2: ffffffffbc41e560 [ 54.619039] ---[ end trace 55216ed5e2971750 ]--- [ 54.623649] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 54.627565] Code: 89 ff e8 be ae a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 d9 54 92 00 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 e0 f0 93 02 [ 54.646300] RSP: 0018:ffff943280863e60 EFLAGS: 00010286 [ 54.651516] RAX: ffffffffb9adf430 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.658638] RDX: 0000000000000000 RSI: ffff8b082ac1bf70 RDI: ffffffffba79bd70 [ 54.665758] RBP: ffffffffbabe73a8 R08: 0000000000000001 R09: 0000000000000001 [ 54.672880] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 54.680002] R13: ffff943280863f10 R14: ffff943280863f10 R15: ffff8b0804f78000 [ 54.687124] FS: 00007fc81cb65580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 [ 54.695198] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.700933] CR2: ffffffffbc41e560 CR3: 000000010301e000 CR4: 00000000001506f0 [ 54.708055] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 54.716911] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1598, name: cat [ 54.724466] INFO: lockdep is turned off. [ 54.728380] irq event stamp: 0 [ 54.731429] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 54.737685] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 54.745849] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 54.754011] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 54.760266] CPU: 0 PID: 1598 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 54.767993] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 [ 54.773901] Call Trace: [ 54.776346] dump_stack+0x77/0x9b [ 54.779656] ___might_sleep.cold+0xa6/0xb6 [ 54.783747] exit_signals+0x1c/0x2e0 [ 54.787317] do_exit+0xd5/0xb00 [ 54.790453] ? ksys_write+0x68/0xf0 [ 54.793936] rewind_stack_do_exit+0x17/0x20 [ 54.798112] RIP: 0033:0x7fc81ca728f3 [ 54.801680] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 54.820415] RSP: 002b:00007ffd8c62aa58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 54.827970] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fc81ca728f3 [ 54.835091] RDX: 000000000000000a RSI: 00007fc81c965000 RDI: 0000000000000001 [ 54.842214] RBP: 00007fc81c965000 R08: 00007fc81c964010 R09: 0000000000000000 [ 54.849335] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 54.856455] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # Killed # [ 54.422110] lkdtm: Performing direct entry EXEC_DATA # [ 54.427095] lkdtm: attempting ok execution at ffffffffb9adf800 # [ 54.432958] lkdtm: attempting bad execution at ffffffffbc41e560 # [ 54.438881] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 54.446350] BUG: unable to handle page fault for address: ffffffffbc41e560 # [ 54.453212] #PF: supervisor instruction fetch in kernel mode # [ 54.458860] #PF: error_code(0x0011) - permissions violation # [ 54.464422] PGD b4829067 P4D b4829067 PUD b482a063 PMD 80000000b5e001e3 # [ 54.471116] Oops: 0011 [#5] SMP NOPTI # [ 54.474773] CPU: 0 PID: 1598 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 54.482503] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 # [ 54.488417] RIP: 0010:data_area+0x0/0x40 # [ 54.492334] Code: ff ff 00 4b 06 04 08 8b ff ff 00 4a 06 04 08 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 e9 f6 50 92 00 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 54.511069] RSP: 0018:ffff94328151[ 55.015444] lkdtm: Performing direct entry EXEC_STACK be48 EFLAGS: 00010246 # [ 54.516285] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.523408] RDX: 0000000000000000 RSI: ffff8b082ac1bf70 RDI: ffff8b082ac1bf70 # [ 54.530531] RBP: ffffffffbc41e560 R08: 0000000000000000 R09:[ 55.023719] lkdtm: attempting ok execution at ffffffffb9adf800 0000000000000000 # [ 54.537652] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 54.544775] R13: ffff94328151bf10 R14: ffff94328151bf10 R15: ffff8b0804bfd000 # [ 54.551897] FS: 00007fc81cb65580(0000) GS:ffff8b082ac00000(0000[ 55.051720] lkdtm: attempting bad execution at ffff94328159be18 ) knlGS:0000000000000000 # [ 54.559973] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.565708] CR2: ffffffffbc41e560 CR3: 000000010301e000 CR4: 00000000001506f0 # [ 54.572830] Call Trace: # [ 54.575279] ? execute_location+0x48/0x56 [ 55.079854] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 54.579283] ? direct_entry.cold+0x2c/0x38 # [ 54.583375] ? full_proxy_write+0x56/0x80 # [ 54.587379] ? vfs_write+0xea/0x3a0 # [ 54.590862] ? ksys_write+0x68/0xf0 # [ 54.594346] ? do_syscall_64+0x33/0x40 # [ 54.598090] ? entry_SYSC[ 55.109460] BUG: unable to handle page fault for address: ffff94328159be18 [ 55.138506] #PF: supervisor instruction fetch in kernel mode ALL_64_after_hwframe+0x61/0xc6 # [ 54.603309] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_dev cros_usbpd_notify # [ 54.615728] CR2: ffffffffbc41e560 # [ 54.619039] ---[ end trace 55216ed[ 55.144156] #PF: error_code(0x0011) - permissions violation 5e2971750 ]--- # [ 54.623649] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 54.627565] Code: 89 ff e8 be ae a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 d9 54 92 00 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 [ 55.171902] PGD 100000067 P4D 100000067 PUD 10020d067 PMD 103183067 PTE 8000000103ff8163 [ 55.202164] Oops: 0011 [#6] SMP NOPTI 00 00 83 05 e0 f0 93 02 # [ 54.646300] RSP: 0018:ffff943280863e60 EFLAGS: 00010286 # [ 54.651516] RAX: ffffffffb9adf430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.658638] RDX: 0000000000000000 RSI: ffff8b082ac1bf70 RDI: ffffffffba79bd70 #[ 55.205821] CPU: 0 PID: 1634 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 55.235729] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 [ 54.665758] RBP: ffffffffbabe73a8 R08: 0000000000000001 R09: 0000000000000001 # [ 54.672880] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 54.680002] R13: ffff943280863f10 R14: ffff943280863f10 R15: ffff8b0804f78000 # [ [ 55.241641] RIP: 0010:0xffff94328159be18 5[4.687124] FS: 00007fc81cb65580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 # [ 54.695198] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.700933] CR2: ffffffffbc41e560 CR3: 000000010301e000 CR4: 00000000001506f0 # [ 54.70805 55.267737] Code: 00 00 18 be 59 81 32 94 ff ff 02 d6 16 ba ff ff ff ff 20 00 00 00 00 00 00 00 ce be b8 ba ff ff ff ff 2e d7 16 ba ff ff ff ff <0f> 1f 44 00 00 e9 f6 50 92 00 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 55.308661] RSP: 0018:ffff94328159bdf8 EFLAGS: 00010246 5] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 54.716911] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1598, name: cat # [ 54.724466] INFO: lockdep is turned off. # [ 54.728380] irq event sta[ 55.313877] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.343183] RDX: 0000000000000000 RSI: ffff8b082ac1bf70 RDI: ffff8b082ac1bf70 [ 55.350304] RBP: ffff94328159be18 R08: 0000000000000000 R09: 0000000000000000 mp: 0 # [ 54.731429] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 54.737685] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 54.745849] softirqs last enabled at (0): [] copy_proce[ 55.357426] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 55.386731] R13: ffff94328159bf10 R14: ffff94328159bf10 R15: ffff8b0804a46000 ss+0x640/0x1c80 # [ 54.754011] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 54.760266] CPU: 0 PID: 1598 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 54.767993] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 # [ [ 55.393853] FS: 00007f1721b56580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 54.773901] Call Trace: # [ 54.776346] dump_stack+0x77/0x9b # [ 54.779656] ___might_sleep.cold+0xa6/0xb6 # [ 54.783747] exit_signals+0x1c/0x2e0 # [ 54.787317] do_exit+0xd5/0xb00 # [ 54.790453] ? ksys_write+0x68/0xf0 # [ 54.793936] [ 55.424113] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.452035] CR2: ffff94328159be18 CR3: 0000000104bb4000 CR4: 00000000001506f0 rewind_stack_do_exit+0x17/0x20 # [ 54.798112] RIP: 0033:0x7fc81ca728f3 # [ 54.801680] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f [ 55.459157] Call Trace: 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 54.820415] RSP: 002b:00007ffd8c62aa58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 54.827970] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fc81ca728f3 # [ 54.835091] RDX: 000000000000000a RSI: 00[ 55.483790] ? execute_location+0x48/0x56 007fc81c965000 RDI: 0000000000000001 # [ 54.842214] RBP: 00007fc81c965000 R08: 00007fc81c964010 R09: 0000000000000000 # [ 54.849335] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 54.856455] R13: 0000000000000001 R14: 000000[ 55.509973] ? lkdtm_EXEC_STACK+0x26/0x44 0000020000 R15: 0000000000020000 # EXEC_DATA: saw 'call trace:': ok ok 30 selftests: lkdtm: EXEC_DATA.sh # selftests: lkdtm: EXEC_STACK.sh [ 55.536161] ? direct_entry.cold+0x2c/0x38 [ 55.552644] ? full_proxy_write+0x56/0x80 [ 55.556650] ? vfs_write+0xea/0x3a0 [ 55.560134] ? ksys_write+0x68/0xf0 [ 55.563620] ? do_syscall_64+0x33/0x40 [ 55.567365] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 55.572584] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_dev cros_usbpd_notify [ 55.585003] CR2: ffff94328159be18 [ 55.588315] ---[ end trace 55216ed5e2971751 ]--- [ 55.592928] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 55.596843] Code: 89 ff e8 be ae a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 d9 54 92 00 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 e0 f0 93 02 [ 55.615580] RSP: 0018:ffff943280863e60 EFLAGS: 00010286 [ 55.620796] RAX: ffffffffb9adf430 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.627917] RDX: 0000000000000000 RSI: ffff8b082ac1bf70 RDI: ffffffffba79bd70 [ 55.635036] RBP: ffffffffbabe73a8 R08: 0000000000000001 R09: 0000000000000001 [ 55.642158] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 55.649279] R13: ffff943280863f10 R14: ffff943280863f10 R15: ffff8b0804f78000 [ 55.656401] FS: 00007f1721b56580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 [ 55.664477] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.670212] CR2: ffff94328159be18 CR3: 0000000104bb4000 CR4: 00000000001506f0 [ 55.802660] lkdtm: Performing direct entry EXEC_KMALLOC # Killed # [ 55.015444] lkdtm: Performing direct entry EXEC_STACK # [ 55.023719] lkdtm: attempting ok execution at ffffffffb9adf800 # [ 55.051720] lkdtm: attempting bad execution at ffff94328159be18 # [ 55.079854] kernel tried to execute NX-pro[ 55.807908] lkdtm: attempting ok execution at ffffffffb9adf800 tected page - exploit attempt? (uid: 0) # [ 55.109460] BUG: unable to handle page fault for address: ffff94328159be18 # [ 55.138506] #PF: supervisor instruction fetch in kernel mode # [ 55.144156] #PF: error_code(0x0011) - permissions violation #[ 55.835921] lkdtm: attempting bad execution at ffff8b0803098980 [ 55.171902] PGD 100000067 P4D 100000067 PUD 10020d067 PMD 103183067 PTE 8000000103ff8163 # [ 55.202164] Oops: 0011 [#6] SMP NOPTI # [ 55.205821] CPU: 0 PID: 1634 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 55.235729] Hardware n[ 55.864044] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) ame: Google Grunt/Grunt, BIOS 09/05/2019 # [ 55.241641] RIP: 0010:0xffff94328159be18 # [ 55.267737] Code: 00 00 18 be 59 81 32 94 ff ff 02 d6 16 ba ff ff ff ff 20 00 00 00 00 00 00 00 ce be b8 ba ff ff ff ff 2e d7 16 ba ff ff ff ff <0f> 1f 44 00 00 [ 55.893648] BUG: unable to handle page fault for address: ffff8b0803098980 e9[ f6 50 92 00 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 55.308661] RSP: 0018:ffff94328159bdf8 EFLAGS: 00010246 # [ 55.313877] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.343183] RDX: 0000000000000000 RSI: ffff8b082ac1bf 55.922693] #PF: supervisor instruction fetch in kernel mode [ 55.950530] #PF: error_code(0x0011) - permissions violation 70 RDI: ffff8b082ac1bf70 # [ 55.350304] RBP: ffff94328159be18 R08: 0000000000000000 R09: 0000000000000000 # [ 55.357426] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 55.386731] R13: ffff94328159bf10 R14: ffff94328159bf10 R[ 55.956091] PGD b6001067 P4D b6001067 PUD b6005067 PMD 101cf3063 PTE 8000000103098163 15: ffff8b0804a46000 # [ 55.393853] FS: 00007f1721b56580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 # [ 55.424113] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.452035] CR2: ffff94328159be18 CR3: 0000000104bb4000 CR4: 00000[ 55.986091] Oops: 0011 [#7] SMP NOPTI 000001506f0 # [ 55.459157] Call Trace: # [ 55.483790] ? execute_location+0x48/0x56 # [ 55.509973] ? lkdtm_EXEC_STACK+0x26/0x44 # [ 55.536161] ? direct_entry.cold+0x2c/0x38 # [ 55.552644] ? full_proxy_write+0x56/0x80 # [ 55.556650] ? [ 56.011935] CPU: 0 PID: 1670 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 56.041848] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 vfs_write+0xea/0x3a0 # [ 55.560134] ? ksys_write+0x68/0xf0 # [ 55.563620] ? do_syscall_64+0x33/0x40 # [ 55.567365] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 55.572584] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev c[ 56.047760] RIP: 0010:0xffff8b0803098980 ros_ec_debugfs cros_ec_sysfs cros_ec_dev cros_usbpd_notify # [ 55.585003] CR2: ffff94328159be18 # [ 55.588315] ---[ end trace 55216ed5e2971751 ]--- # [ 55.592928] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 55.596843] Code: 89 ff e8 be ae a3 ff 48 c7 c0 e[ 56.073857] Code: ff ff 90 2e 49 04 08 8b ff ff 40 f8 1e 03 08 8b ff ff 00 2c 49 04 08 8b ff ff 00 a0 0c 84 c7 d6 ff ff 00 00 28 03 08 8b ff ff <0f> 1f 44 00 00 e9 f6 50 92 00 66 0f 1f 44 00 00 0f 1f 44 00 00 55 a ff ff ff eb de 48 c7 c0 ea ff ff ff e9 d9 54 92 00 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 e0 f0 93 02 # [ 55.615580] RSP: 0018:ffff943280863e60 EFLAGS: 00010286 # [ 55.620796] RAX: ffffffff[ 56.114780] RSP: 0018:ffff943281613e38 EFLAGS: 00010246 [ 56.142183] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 b9adf430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.627917] RDX: 0000000000000000 RSI: ffff8b082ac1bf70 RDI: ffffffffba79bd70 # [ 55.635036] RBP: ffffffffbabe73a8 R08: 0000000000000001 R09: 0000000000000001 # [ 55.642158] R10: 00000000ffff[ 56.149306] RDX: 0000000000000000 RSI: ffff8b082ac1bf70 RDI: ffff8b082ac1bf70 [ 56.178612] RBP: ffff8b0803098980 R08: 0000000000000000 R09: 0000000000000000 e000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 55.649279] R13: ffff943280863f10 R14: ffff943280863f10 R15: ffff8b0804f78000 # [ 55.656401] FS: 00007f1721b56580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 # [ 55.664477] CS: 0010 [ 56.185735] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 56.215040] R13: ffff943281613f10 R14: ffff943281613f10 R15: ffff8b08031d6000 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.670212] CR2: ffff94328159be18 CR3: 0000000104bb4000 CR4: 00000000001506f0 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh [ 56.222163] FS: 00007f776cbf7580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 [ 56.250861] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.256596] CR2: ffff8b0803098980 CR3: 000000010314a000 CR4: 00000000001506f0 [ 56.263719] Call Trace: [ 56.266170] ? execute_location+0x48/0x56 [ 56.270175] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 [ 56.274351] ? direct_entry.cold+0x2c/0x38 [ 56.278441] ? full_proxy_write+0x56/0x80 [ 56.282437] ? vfs_write+0xea/0x3a0 [ 56.285922] ? ksys_write+0x68/0xf0 [ 56.289409] ? do_syscall_64+0x33/0x40 [ 56.293152] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 56.298372] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_dev cros_usbpd_notify [ 56.310791] CR2: ffff8b0803098980 [ 56.314103] ---[ end trace 55216ed5e2971752 ]--- [ 56.318714] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 56.322630] Code: 89 ff e8 be ae a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 d9 54 92 00 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 e0 f0 93 02 [ 56.341365] RSP: 0018:ffff943280863e60 EFLAGS: 00010286 [ 56.346582] RAX: ffffffffb9adf430 RBX: 0000000000000001 RCX: 0000000000000000 [ 56.353704] RDX: 0000000000000000 RSI: ffff8b082ac1bf70 RDI: ffffffffba79bd70 [ 56.360826] RBP: ffffffffbabe73a8 R08: 0000000000000001 R09: 0000000000000001 [ 56.367945] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 56.375066] R13: ffff943280863f10 R14: ffff943280863f10 R15: ffff8b0804f78000 [ 56.382189] FS: 00007f776cbf7580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 [ 56.390264] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.396000] CR2: ffff8b0803098980 CR3: 000000010314a000 CR4: 00000000001506f0 [ 56.403124] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 56.411981] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1670, name: cat [ 56.419537] INFO: lockdep is turned off. [ 56.423452] irq event stamp: 0 [ 56.426500] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 56.432759] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 56.440923] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 56.449085] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 56.455340] CPU: 0 PID: 1670 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 56.463070] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 [ 56.468977] Call Trace: [ 56.471422] dump_stack+0x77/0x9b [ 56.474734] ___might_sleep.cold+0xa6/0xb6 [ 56.478827] exit_signals+0x1c/0x2e0 [ 56.482398] do_exit+0xd5/0xb00 [ 56.485536] ? ksys_write+0x68/0xf0 [ 56.489022] rewind_stack_do_exit+0x17/0x20 [ 56.493197] RIP: 0033:0x7f776cad28f3 [ 56.496767] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 56.515505] RSP: 002b:00007ffc0ec95d28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.523062] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f776cad28f3 [ 56.530183] RDX: 000000000000000d RSI: 00007f776c9c5000 RDI: 0000000000000001 [ 56.537304] RBP: 00007f776c9c5000 R08: 00007f776c9c4010 R09: 0000000000000000 [ 56.544424] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 56.551545] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 56.732436] lkdtm: Performing direct entry EXEC_VMALLOC # Killed # [ 55.802660] lkdtm: Performing direct entry EXEC_KMALLOC # [ 55.807908] lkdtm: attempting ok execution at ffffffffb9adf800 # [ 55.835921] lkdtm: attempting bad execution at ffff8b0803098980 # [ 55.864044] kernel tried to execute NX-p[ 56.737698] lkdtm: attempting ok execution at ffffffffb9adf800 rotected page - exploit attempt? (uid: 0) # [ 55.893648] BUG: unable to handle page fault for address: ffff8b0803098980 # [ 55.922693] #PF: supervisor instruction fetch in kernel mode # [ 55.950530] #PF: error_code(0x0011) - permissions violation [ 56.765695] lkdtm: attempting bad execution at ffff94328039d000 # [ 55.956091] PGD b6001067 P4D b6001067 PUD b6005067 PMD 101cf3063 PTE 8000000103098163 # [ 55.986091] Oops: 0011 [#7] SMP NOPTI # [ 56.011935] CPU: 0 PID: 1670 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 56.041848] Hardware na[ 56.793826] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) me: Google Grunt/Grunt, BIOS 09/05/2019 # [ 56.047760] RIP: 0010:0xffff8b0803098980 # [ 56.073857] Code: ff ff 90 2e 49 04 08 8b ff ff 40 f8 1e 03 08 8b ff ff 00 2c 49 04 08 8b ff ff 00 a0 0c 84 c7 d6 ff ff 00 00 28 03 08 8b ff ff <0f> 1f 44 00 00 e[ 56.823426] BUG: unable to handle page fault for address: ffff94328039d000 [ 56.852472] #PF: supervisor instruction fetch in kernel mode 9 f6 50 92 00 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 56.114780] RSP: 0018:ffff943281613e38 EFLAGS: 00010246 # [ 56.142183] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 56.149306] RDX: 0000000000000000 RSI: ffff8b082ac1bf7[ 56.858120] #PF: error_code(0x0011) - permissions violation 0 RDI: ffff8b082ac1bf70 # [ 56.178612] RBP: ffff8b0803098980 R08: 0000000000000000 R09: 0000000000000000 # [ 56.185735] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 56.215040] R13: ffff943281613f10 R14: ffff943281613f10 R1[ 56.885864] PGD 100000067 P4D 100000067 PUD 10020d067 PMD 10443e067 PTE 8000000105831163 5: ffff8b08031d6000 # [ 56.222163] FS: 00007f776cbf7580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 # [ 56.250861] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.256596] CR2: ffff8b0803098980 CR3: 000000010314a000 CR4: 000000[ 56.916126] Oops: 0011 [#8] SMP NOPTI 00001506f0 # [ 56.263719] Call Trace: # [ 56.266170] ? execute_location+0x48/0x56 # [ 56.270175] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 56.274351] ? direct_entry.cold+0x2c/0x38 # [ 56.278441] ? full_proxy_write+0x56/0x80 # [ 56.282437] ?[ 56.941968] CPU: 0 PID: 1706 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 56.971882] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 vfs_write+0xea/0x3a0 # [ 56.285922] ? ksys_write+0x68/0xf0 # [ 56.289409] ? do_syscall_64+0x33/0x40 # [ 56.293152] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 56.298372] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev [ 56.977794] RIP: 0010:0xffff94328039d000 cros_ec_debugfs cros_ec_sysfs cros_ec_dev cros_usbpd_notify # [ 56.310791] CR2: ffff8b0803098980 # [ 56.314103] ---[ end trace 55216ed5e2971752 ]--- # [ 56.318714] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 56.322630] Code: 89 ff e8 be ae a3 ff 48 c7 c0 [ 57.003895] Code: Unable to access opcode bytes at RIP 0xffff94328039cfd6. ea[ ff ff ff eb de 48 c7 c0 ea ff ff ff e9 d9 54 92 00 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 e0 f0 93 02 # [ 56.341365] RSP: 0018:ffff943280863e60 EFLAGS: 00010286 # [ 56.346582] RAX: fffffff 57.032941] RSP: 0018:ffff94328169be38 EFLAGS: 00010246 [ 57.060345] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 fb9adf430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 56.353704] RDX: 0000000000000000 RSI: ffff8b082ac1bf70 RDI: ffffffffba79bd70 # [ 56.360826] RBP: ffffffffbabe73a8 R08: 0000000000000001 R09: 0000000000000001 # [ 56.367945] R10: 00000000fff[ 57.067467] RDX: 0000000000000000 RSI: ffff8b082ac1bf70 RDI: ffff8b082ac1bf70 [ 57.096773] RBP: ffff94328039d000 R08: 0000000000000000 R09: 0000000000000000 fe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 56.375066] R13: ffff943280863f10 R14: ffff943280863f10 R15: ffff8b0804f78000 # [ 56.382189] FS: 00007f776cbf7580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 # [ 56.390264] CS: 0010[ 57.103894] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 57.133200] R13: ffff94328169bf10 R14: ffff94328169bf10 R15: ffff8b0805831000 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.396000] CR2: ffff8b0803098980 CR3: 000000010314a000 CR4: 00000000001506f0 # [ 56.403124] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 56.411981] in_atomic[ 57.140323] FS: 00007faf4ad4d580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 [ 57.170581] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 (): 0, irqs_disabled(): 1, non_block: 0, pid: 1670, name: cat # [ 56.419537] INFO: lockdep is turned off. # [ 56.423452] irq event stamp: 0 # [ 56.426500] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 56.432759] hardirqs last disa[ 57.176315] CR2: ffff94328039cfd6 CR3: 0000000103052000 CR4: 00000000001506f0 bl[ed at (0): [] copy_process+0x640/0x1c80 # [ 56.440923] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 56.449085] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 56.455340] CPU: 0 P 57.205622] Call Trace: ID: 1670 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 56.463070] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 # [ 56.468977] Call Trace: # [ 56.471422] dump_stack+0x77/0x9b # [ 56.474734] ___might_sleep.cold+0xa6/0xb6 #[ 57.230260] ? execute_location+0x48/0x56 [ 56.478827] exit_signals+0x1c/0x2e0 # [ 56.482398] do_exit+0xd5/0xb00 # [ 56.485536] ? ksys_write+0x68/0xf0 # [ 56.489022] rewind_stack_do_exit+0x17/0x20 # [ 56.493197] RIP: 0033:0x7f776cad28f3 # [ 56.496767] Code: 8b 15 a1 25 0e 00 [ 57.256446] ? lkdtm_EXEC_VMALLOC+0x20/0x30 f7[ d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 56.515505] RSP: 002b:00007ffc0ec95d28 EFLAGS: 00000246 ORIG_RAX: 00000000 57.282805] ? direct_entry.cold+0x2c/0x38 00000001 # [ 56.523062] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f776cad28f3 # [ 56.530183] RDX: 000000000000000d RSI: 00007f776c9c5000 RDI: 0000000000000001 # [ 56.537304] RBP: 00007f776c9c5000 R08: 00007f776c9c4010 R09: 000000000000[ 57.309081] ? full_proxy_write+0x56/0x80 0000 # [ 56.544424] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 56.551545] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_KMALLOC: saw 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # [ 57.335270] ? vfs_write+0xea/0x3a0 se[lftests: lkdtm: EXEC_VMALLOC.sh 57.360937] ? ksys_write+0x68/0xf0 [ 57.367454] ? do_syscall_64+0x33/0x40 [ 57.371197] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 57.376416] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_dev cros_usbpd_notify [ 57.388835] CR2: ffff94328039d000 [ 57.392146] ---[ end trace 55216ed5e2971753 ]--- [ 57.396758] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 57.400674] Code: 89 ff e8 be ae a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 d9 54 92 00 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 e0 f0 93 02 [ 57.419412] RSP: 0018:ffff943280863e60 EFLAGS: 00010286 [ 57.424630] RAX: ffffffffb9adf430 RBX: 0000000000000001 RCX: 0000000000000000 [ 57.431753] RDX: 0000000000000000 RSI: ffff8b082ac1bf70 RDI: ffffffffba79bd70 [ 57.438875] RBP: ffffffffbabe73a8 R08: 0000000000000001 R09: 0000000000000001 [ 57.445995] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 57.453117] R13: ffff943280863f10 R14: ffff943280863f10 R15: ffff8b0804f78000 [ 57.460239] FS: 00007faf4ad4d580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 [ 57.468315] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.474051] CR2: ffff94328039cfd6 CR3: 0000000103052000 CR4: 00000000001506f0 [ 57.647664] lkdtm: Performing direct entry EXEC_RODATA # Killed # [ 56.732436] lkdtm: Performing direct entry EXEC_VMALLOC # [ 56.737698] lkdtm: attempting ok execution at ffffffffb9adf800 # [ 56.765695] lkdtm: attempting bad execution at ffff94328039d000 # [ 56.793826] kernel tried to execute NX-p[ 57.652828] lkdtm: attempting ok execution at ffffffffb9adf800 rotected page - exploit attempt? (uid: 0) # [ 56.823426] BUG: unable to handle page fault for address: ffff94328039d000 # [ 56.852472] #PF: supervisor instruction fetch in kernel mode # [ 56.858120] #PF: error_code(0x0011) - permissions violation [ 57.680840] lkdtm: attempting bad execution at ffffffffba79c200 # [ 56.885864] PGD 100000067 P4D 100000067 PUD 10020d067 PMD 10443e067 PTE 8000000105831163 # [ 56.916126] Oops: 0011 [#8] SMP NOPTI # [ 56.941968] CPU: 0 PID: 1706 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 56.971882] Hardware[ 57.708954] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) name: Google Grunt/Grunt, BIOS 09/05/2019 # [ 56.977794] RIP: 0010:0xffff94328039d000 # [ 57.003895] Code: Unable to access opcode bytes at RIP 0xffff94328039cfd6. # [ 57.032941] RSP: 0018:ffff94328169be38 EFLAGS: 00010246 # [ 57.060345] RAX:[ 57.738569] BUG: unable to handle page fault for address: ffffffffba79c200 [ 57.767612] #PF: supervisor instruction fetch in kernel mode 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 57.067467] RDX: 0000000000000000 RSI: ffff8b082ac1bf70 RDI: ffff8b082ac1bf70 # [ 57.096773] RBP: ffff94328039d000 R08: 0000000000000000 R09: 0000000000000000 # [ 57.103894] R10: 000[ 57.773260] #PF: error_code(0x0011) - permissions violation 00000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 57.133200] R13: ffff94328169bf10 R14: ffff94328169bf10 R15: ffff8b0805831000 # [ 57.140323] FS: 00007faf4ad4d580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 # [ 57.170581] C[ 57.801007] PGD b4829067 P4D b4829067 PUD b482a063 PMD 80000000b40001e1 S:[ 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.176315] CR2: ffff94328039cfd6 CR3: 0000000103052000 CR4: 00000000001506f0 # [ 57.205622] Call Trace: # [ 57.230260] ? execute_location+0x48/0x56 # [ 57.256446] ? lkdtm_EXEC_VMALLOC+0x20/ 57.829883] Oops: 0011 [#9] SMP NOPTI 0x30 # [ 57.282805] ? direct_entry.cold+0x2c/0x38 # [ 57.309081] ? full_proxy_write+0x56/0x80 # [ 57.335270] ? vfs_write+0xea/0x3a0 # [ 57.360937] ? ksys_write+0x68/0xf0 # [ 57.367454] ? do_syscall_64+0x33/0x40 # [ 57.371197] ? entr[ 57.855728] CPU: 0 PID: 1742 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 57.885641] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 y_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 57.376416] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_dev cros_usbpd_notify # [ 57.388835] CR2: ffff94328039d000 # [ 57.392146] ---[ end trace 5[ 57.891555] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 52[16ed5e2971753 ]--- # [ 57.396758] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 57.400674] Code: 89 ff e8 be ae a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 d9 54 92 00 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 57.918863] Code: ff ff 9e eb 16 ba ff ff ff ff 1a c1 b8 ba ff ff ff ff e4 d2 16 ba 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 1f[ 44 00 00 83 05 e0 f0 93 02 # [ 57.419412] RSP: 0018:ffff943280863e60 EFLAGS: 00010286 # [ 57.424630] RAX: ffffffffb9adf430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 57.431753] RDX: 0000000000000000 RSI: ffff8b082ac1bf70 RDI: ffffffffba79b 57.959787] RSP: 0018:ffff943281733e48 EFLAGS: 00010246 [ 57.987189] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 d70 # [ 57.438875] RBP: ffffffffbabe73a8 R08: 0000000000000001 R09: 0000000000000001 # [ 57.445995] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 57.453117] R13: ffff943280863f10 R14: ffff943280863f10 R15: ffff8b0804f78000 [ 57.994311] RDX: 0000000000000000 RSI: ffff8b082ac1bf70 RDI: ffff8b082ac1bf70 [ 58.023616] RBP: ffffffffba79c200 R08: 0000000000000000 R09: 0000000000000000 # [ 57.460239] FS: 00007faf4ad4d580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 # [ 57.468315] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.474051] CR2: ffff94328039cfd6 CR3: 0000000103052000 CR4: 00000000001506f0 # EXEC_V[ 58.030738] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 58.060044] R13: ffff943281733f10 R14: ffff943281733f10 R15: ffff8b0804c2f000 MALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh [ 58.067167] FS: 00007f865f56c3c0(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 [ 58.084598] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.090333] CR2: ffffffffba79c200 CR3: 0000000103e7c000 CR4: 00000000001506f0 [ 58.097456] Call Trace: [ 58.099904] ? execute_location+0x48/0x56 [ 58.103907] ? direct_entry.cold+0x2c/0x38 [ 58.108000] ? full_proxy_write+0x56/0x80 [ 58.112005] ? vfs_write+0xea/0x3a0 [ 58.115489] ? ksys_write+0x68/0xf0 [ 58.118975] ? do_syscall_64+0x33/0x40 [ 58.122721] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 58.127941] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_dev cros_usbpd_notify [ 58.140359] CR2: ffffffffba79c200 [ 58.143669] ---[ end trace 55216ed5e2971754 ]--- [ 58.148282] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 58.152198] Code: 89 ff e8 be ae a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 d9 54 92 00 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 e0 f0 93 02 [ 58.170933] RSP: 0018:ffff943280863e60 EFLAGS: 00010286 [ 58.176149] RAX: ffffffffb9adf430 RBX: 0000000000000001 RCX: 0000000000000000 [ 58.183271] RDX: 0000000000000000 RSI: ffff8b082ac1bf70 RDI: ffffffffba79bd70 [ 58.190391] RBP: ffffffffbabe73a8 R08: 0000000000000001 R09: 0000000000000001 [ 58.197513] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 58.204634] R13: ffff943280863f10 R14: ffff943280863f10 R15: ffff8b0804f78000 [ 58.211755] FS: 00007f865f56c3c0(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 [ 58.219829] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.225565] CR2: ffffffffba79c200 CR3: 0000000103e7c000 CR4: 00000000001506f0 [ 58.232688] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 58.241545] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1742, name: cat [ 58.249092] INFO: lockdep is turned off. [ 58.253006] irq event stamp: 0 [ 58.256056] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 58.262316] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 58.270479] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 58.278641] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 58.284898] CPU: 0 PID: 1742 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 58.292626] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 [ 58.298533] Call Trace: [ 58.300978] dump_stack+0x77/0x9b [ 58.304289] ___might_sleep.cold+0xa6/0xb6 [ 58.308381] exit_signals+0x1c/0x2e0 [ 58.311953] do_exit+0xd5/0xb00 [ 58.315091] ? ksys_write+0x68/0xf0 [ 58.318577] rewind_stack_do_exit+0x17/0x20 [ 58.322751] RIP: 0033:0x7f865f44a8f3 [ 58.326319] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 58.345056] RSP: 002b:00007ffd9ae22408 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.352613] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f865f44a8f3 [ 58.359734] RDX: 000000000000000c RSI: 00007f865f33d000 RDI: 0000000000000001 [ 58.366856] RBP: 00007f865f33d000 R08: 00007f865f33c010 R09: 0000000000000000 [ 58.373977] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 58.381098] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 58.541897] lkdtm: Performing direct entry EXEC_USERSPACE # Killed # [ 57.647664] lkdtm: Performing direct entry EXEC_RODATA # [ 57.652828] lkdtm: attempting ok execution at ffffffffb9adf800 # [ 57.680840] lkdtm: attempting bad execution at ffffffffba79c200 # [ 57.708954] kernel tried to execute NX-pr[ 58.547334] lkdtm: attempting ok execution at ffffffffb9adf800 otected page - exploit attempt? (uid: 0) # [ 57.738569] BUG: unable to handle page fault for address: ffffffffba79c200 # [ 57.767612] #PF: supervisor instruction fetch in kernel mode # [ 57.773260] #PF: error_code(0x0011) - permissions violation [ 58.575351] lkdtm: attempting bad execution at 00007f788a3e6000 # [ 57.801007] PGD b4829067 P4D b4829067 PUD b482a063 PMD 80000000b40001e1 # [ 57.829883] Oops: 0011 [#9] SMP NOPTI # [ 57.855728] CPU: 0 PID: 1742 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 57.885641] Hardware name: Google Gru[ 58.603482] unable to execute userspace code (SMEP?) (uid: 0) [ 58.631324] BUG: unable to handle page fault for address: 00007f788a3e6000 nt/Grunt, BIOS 09/05/2019 # [ 57.891555] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 57.918863] Code: ff ff 9e eb 16 ba ff ff ff ff 1a c1 b8 ba ff ff ff ff e4 d2 16 ba ff ff ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0[ 58.638187] #PF: supervisor instruction fetch in kernel mode [ 58.666019] #PF: error_code(0x0011) - permissions violation 0 00 00 00 00 00 00 00 00 00 00 54 68 69 73 20 69 # [ 57.959787] RSP: 0018:ffff943281733e48 EFLAGS: 00010246 # [ 57.987189] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 57.994311] RDX: 0000000000000000 RSI: ffff8b082ac1bf7[ 58.671580] PGD 101f06067 P4D 101f06067 PUD 103e33067 PMD 103abf067 PTE 1144e9067 0 [RDI: ffff8b082ac1bf70 # [ 58.023616] RBP: ffffffffba79c200 R08: 0000000000000000 R09: 0000000000000000 # [ 58.030738] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 58.060044] R13: ffff943281733f10 R14: ffff943281733f10 R1 58.701232] Oops: 0011 [#10] SMP NOPTI [ 58.727164] CPU: 0 PID: 1778 Comm: cat Tainted: G D W 5.10.153-cip19 #1 5: ffff8b0804c2f000 # [ 58.067167] FS: 00007f865f56c3c0(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 # [ 58.084598] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.090333] CR2: ffffffffba79c200 CR3: 0000000103e7c000 CR4: 000000[ 58.734892] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 00001506f0 # [ 58.097456] Call Trace: # [ 58.099904] ? execute_location+0x48/0x56 # [ 58.103907] ? direct_entry.cold+0x2c/0x38 # [ 58.108000] ? full_proxy_write+0x56/0x80 # [ 58.112005] ? vfs_write+0xea/0x3a0 # [ 58.115489] ? ksys_wr[ 58.762986] RIP: 0010:0x7f788a3e6000 [ 58.788741] Code: Unable to access opcode bytes at RIP 0x7f788a3e5fd6. [ 58.795257] RSP: 0018:ffff9432817b3e50 EFLAGS: 00010246 ite+0x68/0xf0 # [ 58.118975] ? do_syscall_64+0x33/0x40 # [ 58.122721] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 58.127941] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_dev cros_usb[ 58.800474] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 [ 58.829778] RDX: 0000000000000000 RSI: ffff8b082ac1bf70 RDI: ffff8b082ac1bf70 [ 58.836899] RBP: 00007f788a3e6000 R08: 0000000000000000 R09: 0000000000000000 [ 58.844021] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f [ 58.851144] R13: ffff9432817b3f10 R14: ffff9432817b3f10 R15: ffff8b0804d6a000 pd_notify # [ 58.140359] CR2: ffffffffba79c200 # [ 58.143669] ---[ end trace 55216ed5e2971754 ]--- # [ 58.148282] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 58.152198] Code: 89 ff e8 be ae a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 d9 54 92[ 58.858267] FS: 00007f788a3e8580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 [ 58.888525] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 00 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 e0 f0 93 02 # [ 58.170933] RSP: 0018:ffff943280863e60 EFLAGS: 00010286 # [ 58.176149] RAX: ffffffffb9adf430 RBX: 0000000000000001 RCX: 0000000000000[ 58.894261] CR2: 00007f788a3e6000 CR3: 00000001031ec000 CR4: 00000000001506f0 [ 58.923565] Call Trace: 000 # [ 58.183271] RDX: 0000000000000000 RSI: ffff8b082ac1bf70 RDI: ffffffffba79bd70 # [ 58.190391] RBP: ffffffffbabe73a8 R08: 0000000000000001 R09: 0000000000000001 # [ 58.197513] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 58.926012] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae # [ 58.204634] R13: ffff943280863f10 R14: ffff943280863f10 R15: ffff8b0804f78000 # [ 58.211755] FS: 00007f865f56c3c0(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 # [ 58.219829] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58[ 58.952973] ? direct_entry.cold+0x2c/0x38 .225565] CR2: ffffffffba79c200 CR3: 0000000103e7c000 CR4: 00000000001506f0 # [ 58.232688] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 58.241545] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1742[ 58.979250] ? full_proxy_write+0x56/0x80 , [name: cat # [ 58.249092] INFO: lockdep is turned off. # [ 58.253006] irq event stamp: 0 # [ 58.256056] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 58.262316] hardirqs last disabled at (0): [] copy_process+0x6 59.005439] ? vfs_write+0xea/0x3a0 40/0x1c80 # [ 58.270479] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 58.278641] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 58.284898] CPU: 0 PID: 1742 Comm: cat Tainted: G D W 5.1[ 59.031111] ? ksys_write+0x68/0xf0 0.[153-cip19 #1 # [ 58.292626] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 # [ 58.298533] Call Trace: # [ 58.300978] dump_stack+0x77/0x9b # [ 58.304289] ___might_sleep.cold+0xa6/0xb6 # [ 58.308381] exit_signals+0x1c/0x2e0 # [ 58 59.056782] ? do_syscall_64+0x33/0x40 .311953] do_exit+0xd5/0xb00 # [ 58.315091] ? ksys_write+0x68/0xf0 # [ 58.318577] rewind_stack_do_exit+0x17/0x20 # [ 58.322751] RIP: 0033:0x7f865f44a8f3 # [ 58.326319] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00[ 59.082713] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 58.345056] RSP: 002b:00007ffd9ae22408 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.352613] RAX: ffffffffffffffda R[ 59.110117] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_dev cros_usbpd_notify BX[: 000000000000000c RCX: 00007f865f44a8f3 # [ 58.359734] RDX: 000000000000000c RSI: 00007f865f33d000 RDI: 0000000000000001 # [ 58.366856] RBP: 00007f865f33d000 R08: 00007f865f33c010 R09: 0000000000000000 # [ 58.373977] R10: fffffffffffffbc5 R11: 59.144711] CR2: 00007f788a3e6000 0000000000000246 R12: 0000000000000001 # [ 58.381098] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_RODATA: saw 'call trace:': ok ok 34 selftests: lkdtm: EXEC_RODATA.sh # selftests: lkdtm: EXEC_USERSPACE.sh [ 59.170241] ---[ end trace 55216ed5e2971755 ]--- [ 59.195768] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 59.199793] Code: 89 ff e8 be ae a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 d9 54 92 00 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 e0 f0 93 02 [ 59.218566] RSP: 0018:ffff943280863e60 EFLAGS: 00010286 [ 59.223842] RAX: ffffffffb9adf430 RBX: 0000000000000001 RCX: 0000000000000000 [ 59.230995] RDX: 0000000000000000 RSI: ffff8b082ac1bf70 RDI: ffffffffba79bd70 [ 59.238158] RBP: ffffffffbabe73a8 R08: 0000000000000001 R09: 0000000000000001 [ 59.245301] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 59.252473] R13: ffff943280863f10 R14: ffff943280863f10 R15: ffff8b0804f78000 [ 59.259618] FS: 00007f788a3e8580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 [ 59.267746] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.273512] CR2: 00007f788a3e6000 CR3: 00000001031ec000 CR4: 00000000001506f0 # Killed # [ 58.541897] lkdtm: Performing direct entry EXEC_USERSPACE # [ 58.547334] lkdtm: attempting ok execution at ffffffffb9adf800 # [ 58.575351] lkdtm: attempting bad execution at 00007f788a3e6000 # [ 58.603482] unable to execute userspace code (SMEP?) (uid: 0) # [ 58.631324] BUG: unable to handle page fault for address: 00007f788a3e6000 # [ 58.638187] #PF: supervisor instruction fetch in kernel mode # [ 58.666019] #PF: error_code(0x0011) - permissions violation # [ 58.671580] PGD 101f06067 P4D 101f06067 PUD 103e33067 PMD 103abf067 PTE 1144e9067 # [ 58.701232] Oops: 0011 [#10] SMP NOPTI # [ 58.727164] CPU: 0 PID: 1778 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 58.734892] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 # [ 58.762986] RIP: 0010:0x7f788a3e6000 # [ 58.788741] Code: Unable to access opcode bytes at RIP 0x7f788a3e5fd6. # [ 58.795257] RSP: 0018:ffff9432817b3e50 EFLAGS: 00010246 # [ 58.800474] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 # [ 58.829778] RDX: 0000000000000000 RSI: ffff8b082ac1bf70 RDI: ffff8b082ac1bf70 # [ 58.836899] RBP: 00007f788a3e6000 R08: 0000000000000000 R09: 0000000000000000 # [ 58.844021] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f # [ 58.851144] R13: ffff9432817b3f10 R14: ffff9432817b3f10 R15: ffff8b0804d6a000 # [ 58.858267] FS: 00007f788a3e85[ 59.476375] lkdtm: Performing direct entry EXEC_NULL 80(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 # [ 58.888525] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.894261] CR2: 00007f788a3e6000 CR3: 00000001031ec000 CR4: 00000000001506f0 # [ 58.923565] Call Trace: # [ 58.926012[ 59.485248] lkdtm: attempting ok execution at ffffffffb9adf800 ] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae # [ 58.952973] ? direct_entry.cold+0x2c/0x38 # [ 58.979250] ? full_proxy_write+0x56/0x80 # [ 59.005439] ? vfs_write+0xea/0x3a0 # [ 59.031111] ? ksys_write+0x68/0xf0 # [ 59.056782] ? do_syscall_64[ 59.513266] lkdtm: attempting bad execution at 0000000000000000 +0x33/0x40 # [ 59.082713] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 59.110117] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_dev cros_usbpd_notify # [ 59.144711] CR2: 00007f788a3e600[ 59.541400] BUG: kernel NULL pointer dereference, address: 0000000000000000 0 [ # [ 59.170241] ---[ end trace 55216ed5e2971755 ]--- # [ 59.195768] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 59.199793] Code: 89 ff e8 be ae a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 d9 54 92 00 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0 59.570468] #PF: supervisor instruction fetch in kernel mode [ 59.598305] #PF: error_code(0x0010) - not-present page f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 f0 93 02 # [ 59.218566] RSP: 0018:ffff943280863e60 EFLAGS: 00010286 # [ 59.223842] RAX: ffffffffb9adf430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 59.230995] RDX: 0000000000000000 RSI:[ 59.603436] PGD 0 P4D 0 f[fff8b082ac1bf70 RDI: ffffffffba79bd70 # [ 59.238158] RBP: ffffffffbabe73a8 R08: 0000000000000001 R09: 0000000000000001 # [ 59.245301] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 59.252473] R13: ffff943280863f10 R14: fff 59.628149] Oops: 0010 [#11] SMP NOPTI f943280863f10 R15: ffff8b0804f78000 # [ 59.259618] FS: 00007f788a3e8580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 # [ 59.267746] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.273512] CR2: 00007f788a3e6000 CR3: 00000001031e[ 59.654081] CPU: 0 PID: 1814 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 59.683995] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 [ 59.689905] RIP: 0010:0x0 c000 CR4: 00000000001506f0 # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh [ 59.692521] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 59.712032] RSP: 0018:ffff943281833e48 EFLAGS: 00010246 [ 59.717251] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 59.724374] RDX: 0000000000000000 RSI: ffff8b082ac1bf70 RDI: ffff8b082ac1bf70 [ 59.731496] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 59.738618] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 59.745741] R13: ffff943281833f10 R14: ffff943281833f10 R15: ffff8b0804a46000 [ 59.752864] FS: 00007f58a5975580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 [ 59.760942] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.766678] CR2: ffffffffffffffd6 CR3: 000000010309a000 CR4: 00000000001506f0 [ 59.773798] Call Trace: [ 59.776245] execute_location+0x48/0x56 [ 59.780078] direct_entry.cold+0x2c/0x38 [ 59.783999] full_proxy_write+0x56/0x80 [ 59.787832] vfs_write+0xea/0x3a0 [ 59.791144] ksys_write+0x68/0xf0 [ 59.794457] do_syscall_64+0x33/0x40 [ 59.798028] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 59.803071] RIP: 0033:0x7f58a58528f3 [ 59.806640] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 59.825376] RSP: 002b:00007ffd2789ba58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.832932] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f58a58528f3 [ 59.840053] RDX: 000000000000000a RSI: 00007f58a5745000 RDI: 0000000000000001 [ 59.847174] RBP: 00007f58a5745000 R08: 00007f58a5744010 R09: 0000000000000000 [ 59.854296] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 59.861419] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 59.868546] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_dev cros_usbpd_notify [ 59.880964] CR2: 0000000000000000 [ 59.884304] ---[ end trace 55216ed5e2971756 ]--- [ 59.888980] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 59.893035] Code: 89 ff e8 be ae a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 d9 54 92 00 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 e0 f0 93 02 [ 59.911809] RSP: 0018:ffff943280863e60 EFLAGS: 00010286 [ 59.917107] RAX: ffffffffb9adf430 RBX: 0000000000000001 RCX: 0000000000000000 [ 59.924291] RDX: 0000000000000000 RSI: ffff8b082ac1bf70 RDI: ffffffffba79bd70 [ 59.931530] RBP: ffffffffbabe73a8 R08: 0000000000000001 R09: 0000000000000001 [ 59.938726] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 59.945921] R13: ffff943280863f10 R14: ffff943280863f10 R15: ffff8b0804f78000 [ 59.953128] FS: 00007f58a5975580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 [ 59.961280] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.967092] CR2: ffffffffffffffd6 CR3: 000000010309a000 CR4: 00000000001506f0 [ 60.136776] lkdtm: Performing direct entry ACCESS_USERSPACE # Killed # [ 59.476375] lkdtm: Performing direct entry EXEC_NULL # [ 59.485248] lkdtm: attempting ok execution at ffffffffb9adf800 # [ 59.513266] lkdtm: attempting bad execution at 0000000000000000 # [ 59.541400] BUG: kernel NULL pointer derefe[ 60.142375] lkdtm: attempting bad read at 00007f46f5bab000 rence, address: 0000000000000000 # [ 59.570468] #PF: supervisor instruction fetch in kernel mode # [ 59.598305] #PF: error_code(0x0010) - not-present page # [ 59.603436] PGD 0 P4D 0 # [ 59.628149] Oops: 0010 [#11] SMP NOPTI # [ 59.654081] C[ 60.170031] lkdtm: FAIL: survived bad read PU: 0 PID: 1814 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 59.683995] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 # [ 59.689905] RIP: 0010:0x0 # [ 59.692521] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 60.196326] lkdtm: attempting bad write at 00007f46f5bab000 # [ 59.712032] RSP: 0018:ffff943281833e48 EFLAGS: 00010246 # [ 59.717251] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 59.724374] RDX: 0000000000000000 RSI: ffff8b082ac1bf70 RDI: ffff8b082ac1bf70 # [ 59.731496] RBP: 0000[ 60.224057] lkdtm: FAIL: survived bad write 000000000000 R08: 0000000000000000 R09: 0000000000000000 # [ 59.738618] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 59.745741] R13: ffff943281833f10 R14: ffff943281833f10 R15: ffff8b0804a46000 # [ 59.752864] FS: 00007f58a5975580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 # [ 59.760942] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.766678] CR2: ffffffffffffffd6 CR3: 000000010309a000 CR4: 00000000001506f0 # [ 59.773798] Call Trace: # [ 59.776245] execute_location+0x48/0x56 # [ 59.780078] direct_entry.cold+0x2c/0x38 # [ 59.783999] full_proxy_write+0x56/0x80 # [ 59.787832] vfs_write+0xea/0x3a0 # [ 59.791144] ksys_write+0x68/0xf0 # [ 59.794457] do_syscall_64+0x33/0x40 # [ 59.798028] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 59.803071] RIP: 0033:0x7f58a58528f3 # [ 59.806640] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 59.825376] RSP: 002b:00007ffd2789ba58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.832932] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f58a58528f3 # [ 59.840053] RDX: 000000000000000a RSI: 00007f58a5745000 RDI: 0000000000000001 # [ 59.847174] RBP: 00007f58a5745000 R08: 00007f58a5744010 R09: 0000000000000000 # [ 59.854296] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 59.861419] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 59.868546] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_dev cros_usbpd_notify # [ 59.880964] CR2: 0000000000000000 # [ 59.884[ 60.402787] lkdtm: Performing direct entry ACCESS_NULL 304] ---[ end trace 55216ed5e2971756 ]--- # [ 59.888980] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 59.893035] Code: 89 ff e8 be ae a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 d9 54 92 00 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f [ 60.410877] lkdtm: attempting bad read at 0000000000000000 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 f0 93 02 # [ 59.911809] RSP: 0018:ffff943280863e60 EFLAGS: 00010286 # [ 59.917107] RAX: ffffffffb9adf430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 59.924291] RDX: 0000000000000000 RSI: ffff8b082ac1bf[ 60.438920] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 60.467659] #PF: supervisor read access in kernel mode [ 60.472790] #PF: error_code(0x0000) - not-present page [ 60.477919] PGD 0 P4D 0 [ 60.480452] Oops: 0000 [#12] SMP NOPTI [ 60.484197] CPU: 1 PID: 1883 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 60.491925] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 [ 60.497839] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 [ 60.502536] Code: 08 99 fd ff be 00 10 00 00 48 89 ef e8 f7 9c 39 ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 38 ce b8 ba e8 e2 98 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 60 ce b8 ba 48 01 [ 60.521272] RSP: 0018:ffff94328191be58 EFLAGS: 00010246 [ 60.526486] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 [ 60.533607] RDX: 0000000000000000 RSI: ffff8b082ac1bf70 RDI: ffff8b082ac1bf70 [ 60.540729] RBP: ffffffffbab8bf29 R08: 0000000000000000 R09: 0000000000000000 [ 60.547850] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 60.554971] R13: ffff94328191bf10 R14: ffff94328191bf10 R15: ffff8b0803219000 [ 60.562093] FS: 00007f0c536a9580(0000) GS:ffff8b082ad00000(0000) knlGS:0000000000000000 [ 60.570168] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.575902] CR2: 00007f14934b0bb0 CR3: 00000001032b8000 CR4: 00000000001506e0 [ 60.583022] Call Trace: [ 60.585468] direct_entry.cold+0x2c/0x38 [ 60.589385] full_proxy_write+0x56/0x80 [ 60.593216] vfs_write+0xea/0x3a0 [ 60.596525] ksys_write+0x68/0xf0 [ 60.599836] do_syscall_64+0x33/0x40 [ 60.603405] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 60.608449] RIP: 0033:0x7f0c535828f3 [ 60.612017] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 60.630753] RSP: 002b:00007fffd99b5458 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.638307] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f0c535828f3 [ 60.645427] RDX: 000000000000000c RSI: 00007f0c53475000 RDI: 0000000000000001 [ 60.652548] RBP: 00007f0c53475000 R08: 00007f0c53474010 R09: 0000000000000000 [ 60.659670] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 60.666791] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 60.673917] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_dev cros_usbpd_notify [ 60.686337] CR2: 0000000000000000 70 RDI: ffffffffba79bd70 # [ 59.931530] RBP: ffffffffbabe73a8 R08: 0000000000000001 R09: 0000000000000001 # [ 59.938726] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 59.945921] R13: ffff943280863f10 R14: ffff943280863f10 R[ 60.689735] ---[ end trace 55216ed5e2971757 ]--- 15: ffff8b0804f78000 # [ 59.953128] FS: 00007f58a5975580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 # [ 59.961280] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.967092] CR2: ffffffffffffffd6 CR3: 000000010309a000 CR4: 00000[ 60.716549] RIP: 0010:lkdtm_BUG+0x5/0x10 000001506f0 # EXEC_NULL: saw 'call trace:': ok ok 36 selftests: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.sh # [ 60.136776] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 60.142375] lkdtm: attempting bad read at 00007f46f5bab00[ 60.742637] Code: 89 ff e8 be ae a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 d9 54 92 00 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 e0 f0 93 02 0 # [ 60.170031] lkdtm: FAIL: survived bad read # [ 60.196326] lkdtm: attempting bad write at 00007f46f5bab000 # [ 60.224057] lkdtm: FAIL: survived bad write # ACCESS_USERSPACE: missing 'call trace:': [FAIL] not ok 37 selftests: lkdtm: ACCESS_US[ 60.783572] RSP: 0018:ffff943280863e60 EFLAGS: 00010286 ERSPACE.sh # exit=1 # selftests: lkdtm: ACCESS_NULL.sh [ 60.810938] RAX: ffffffffb9adf430 RBX: 0000000000000001 RCX: 0000000000000000 [ 60.822979] RDX: 0000000000000000 RSI: ffff8b082ac1bf70 RDI: ffffffffba79bd70 [ 60.830109] RBP: ffffffffbabe73a8 R08: 0000000000000001 R09: 0000000000000001 [ 60.837236] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 60.844365] R13: ffff943280863f10 R14: ffff943280863f10 R15: ffff8b0804f78000 [ 60.851494] FS: 00007f0c536a9580(0000) GS:ffff8b082ad00000(0000) knlGS:0000000000000000 [ 60.859577] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.865317] CR2: 00007f14934b0bb0 CR3: 00000001032b8000 CR4: 00000000001506e0 # Killed # [ 60.402787] lkdtm: Performing direct entry ACCESS_NULL # [ 60.410877] lkdtm: attempting bad read at 0000000000000000 # [ 60.438920] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 60.467659] #PF: supervisor read access in kernel mode # [ 60.472790] #PF: error_code(0x0000) - not-present page # [ 60.477919] PGD 0 P4D 0 # [ 60.480452] Oops: 0000 [#12] SMP NOPTI # [ 60.484197] CPU: 1 PID: 1883 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 60.491925] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 # [ 60.497839] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 60.502536] Code: 08 99 fd ff be 00 10 00 00 48 89 ef e8 f7 9c 39 ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 38 ce b8 ba e8 e2 98 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 60 ce b8 ba 48 01 # [ 60.521272] RSP: 0018:ffff94328191be58 EFLAGS: 00010246 # [ 60.526486] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 # [ 60.533607] RDX: 0000000000000000 RSI: ffff8b082ac1bf70 RDI: ffff8b082ac1bf70 # [ 60.540729] RBP: ffffffffbab8bf29 R08: 0000000000000000 R09: 0000000000000000 # [ 60.547850] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 60.554971] R13: ffff94328191bf10 R14: ffff94328191bf10 R15: ffff8b0803219000 # [ 60.562093] FS: 00007f0c536a9580(0000) GS:ffff8b082ad00000(0000) knlGS:0000000000000000 # [ 60.570168] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.575902] CR2: 00007f14934b0bb0 CR3: 00000001032b8000 CR4: 00000000001506e0 # [ 60.583022] Call [ 61.017300] lkdtm: Performing direct entry WRITE_RO Trace: # [ 60.585468] direct_entry.cold+0x2c/0x38 # [ 60.589385] full_proxy_write+0x56/0x80 # [ 60.593216] vfs_write+0xea/0x3a0 # [ 60.596525] ksys_write+0x68/0xf0 # [ 60.599836] do_syscall_64+0x33/0x40 # [ 60.603405] entry_SYSCALL_[ 61.037527] lkdtm: attempting bad rodata write at ffffffffba79c1f0 64_after_hwframe+0x61/0xc6 # [ 60.608449] RIP: 0033:0x7f0c535828f3 # [ 60.612017] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 4[ 61.065892] BUG: unable to handle page fault for address: ffffffffba79c1f0 0 00 48 83 ec 28 48 89 54 24 18 # [ 60.630753] RSP: 002b:00007fffd99b5458 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.638307] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f0c535828f3 # [ 60.645427] RDX: 000000000000000c RSI: 00007f[ 61.094906] #PF: supervisor write access in kernel mode [ 61.122306] #PF: error_code(0x0003) - permissions violation 0c53475000 RDI: 0000000000000001 # [ 60.652548] RBP: 00007f0c53475000 R08: 00007f0c53474010 R09: 0000000000000000 # [ 60.659670] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 60.666791] R13: 0000000000000001 R14: 0000000000[ 61.127869] PGD b4829067 P4D b4829067 PUD b482a063 PMD 80000000b40001e1 02[0000 R15: 0000000000020000 # [ 60.673917] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_dev cros_usbpd_notify # [ 60.686337] CR2: 0000000000000000 # [ 60.689735] ---[ end trace 55216ed5e 61.156742] Oops: 0003 [#13] SMP NOPTI 2971757 ]--- # [ 60.716549] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 60.742637] Code: 89 ff e8 be ae a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 d9 54 92 00 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[ 61.182673] CPU: 0 PID: 1918 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 61.212587] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 00 83 05 e0 f0 93 02 # [ 60.783572] RSP: 0018:ffff943280863e60 EFLAGS: 00010286 # [ 60.810938] RAX: ffffffffb9adf430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 60.822979] RDX: 0000000000000000 RSI: ffff8b082ac1bf70 RDI: ffffffffba79bd70 # [[ 61.218503] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a 60.830109] RBP: ffffffffbabe73a8 R08: 0000000000000001 R09: 0000000000000001 # [ 60.837236] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 60.844365] R13: ffff943280863f10 R14: ffff943280863f10 R15: ffff8b0804f78000 # [ 6[ 61.245117] Code: 00 48 c7 c7 18 cd b8 ba 48 c7 c6 f0 c1 79 ba e8 8c 9b fd ff 48 8b 05 c1 eb 62 00 ba 34 12 cd ab 48 c7 c7 48 cd b8 ba 48 31 d0 <48> 89 05 ab eb 62 00 e9 6a 9b fd ff 0f 1f 44 00 00 48 8b 05 da bc 0.[851494] FS: 00007f0c536a9580(0000) GS:ffff8b082ad00000(0000) knlGS:0000000000000000 # [ 60.859577] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.865317] CR2: 00007f14934b0bb0 CR3: 00000001032b8000 CR4: 00000000001506e0 # ACCESS_NULL: s 61.286038] RSP: 0018:ffff94328195be60 EFLAGS: 00010202 [ 61.313441] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 aw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh [ 61.320563] RDX: 00000000abcd1234 RSI: ffff8b082ac1bf70 RDI: ffffffffbab8cd48 [ 61.335915] RBP: ffffffffbab8bf35 R08: 0000000000000000 R09: 0000000000000000 [ 61.343038] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 [ 61.350158] R13: ffff94328195bf10 R14: ffff94328195bf10 R15: ffff8b0803c32000 [ 61.357283] FS: 00007f7d2445d580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 [ 61.365361] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.371096] CR2: ffffffffba79c1f0 CR3: 0000000103ad0000 CR4: 00000000001506f0 [ 61.378216] Call Trace: [ 61.380661] direct_entry.cold+0x2c/0x38 [ 61.384581] full_proxy_write+0x56/0x80 [ 61.388413] vfs_write+0xea/0x3a0 [ 61.391724] ksys_write+0x68/0xf0 [ 61.395034] do_syscall_64+0x33/0x40 [ 61.398606] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 61.403650] RIP: 0033:0x7f7d2436a8f3 [ 61.407220] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 61.425957] RSP: 002b:00007fffec9f9c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 61.433515] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f7d2436a8f3 [ 61.440638] RDX: 0000000000000009 RSI: 00007f7d2425d000 RDI: 0000000000000001 [ 61.447759] RBP: 00007f7d2425d000 R08: 00007f7d2425c010 R09: 0000000000000000 [ 61.454882] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 61.462005] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 61.469132] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_dev cros_usbpd_notify [ 61.481553] CR2: ffffffffba79c1f0 [ 61.484866] ---[ end trace 55216ed5e2971758 ]--- [ 61.489479] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 61.493396] Code: 89 ff e8 be ae a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 d9 54 92 00 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 e0 f0 93 02 [ 61.512131] RSP: 0018:ffff943280863e60 EFLAGS: 00010286 [ 61.517348] RAX: ffffffffb9adf430 RBX: 0000000000000001 RCX: 0000000000000000 [ 61.524470] RDX: 0000000000000000 RSI: ffff8b082ac1bf70 RDI: ffffffffba79bd70 [ 61.531593] RBP: ffffffffbabe73a8 R08: 0000000000000001 R09: 0000000000000001 [ 61.538716] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 61.545837] R13: ffff943280863f10 R14: ffff943280863f10 R15: ffff8b0804f78000 [ 61.552958] FS: 00007f7d2445d580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 [ 61.561035] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.566770] CR2: ffffffffba79c1f0 CR3: 0000000103ad0000 CR4: 00000000001506f0 [ 61.573892] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 61.582749] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1918, name: cat [ 61.590305] INFO: lockdep is turned off. [ 61.594222] irq event stamp: 0 [ 61.597270] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 61.603528] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 61.611691] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 61.619854] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 61.626109] CPU: 0 PID: 1918 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 61.633840] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 [ 61.639748] Call Trace: [ 61.642192] dump_stack+0x77/0x9b [ 61.645504] ___might_sleep.cold+0xa6/0xb6 [ 61.649594] exit_signals+0x1c/0x2e0 [ 61.653164] do_exit+0xd5/0xb00 [ 61.656302] ? ksys_write+0x68/0xf0 [ 61.659788] rewind_stack_do_exit+0x17/0x20 [ 61.663966] RIP: 0033:0x7f7d2436a8f3 [ 61.667534] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 61.686269] RSP: 002b:00007fffec9f9c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 61.693828] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f7d2436a8f3 [ 61.700951] RDX: 0000000000000009 RSI: 00007f7d2425d000 RDI: 0000000000000001 [ 61.708072] RBP: 00007f7d2425d000 R08: 00007f7d2425c010 R09: 0000000000000000 [ 61.715193] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 61.722314] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 61.898663] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # Killed # [ 61.017300] lkdtm: Performing direct entry WRITE_RO # [ 61.037527] lkdtm: attempting bad rodata write at ffffffffba79c1f0 # [ 61.065892] BUG: unable to handle page fault for address: ffffffffba79c1f0 # [ 61.094906] #PF: supervisor w[ 61.904498] lkdtm: attempting bad ro_after_init write at ffffffffbac09330 rite access in kernel mode # [ 61.122306] #PF: error_code(0x0003) - permissions violation # [ 61.127869] PGD b4829067 P4D b4829067 PUD b482a063 PMD 80000000b40001e1 # [ 61.156742] Oops: 0003 [#13] SMP NOPTI # [ 61.182673] CPU: 0 PID: 1918 Comm[ 61.933483] BUG: unable to handle page fault for address: ffffffffbac09330 : cat Tainted: G D W 5.10.153-cip19 #1 # [ 61.212587] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 # [ 61.218503] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 61.245117] Code: 00 48 c7 c7 18 cd b8 ba 48 c7 c6 f0 c1 79 ba e8 8c 9b fd [ 61.962511] #PF: supervisor write access in kernel mode [ 61.989912] #PF: error_code(0x0003) - permissions violation ff 48 8b 05 c1 eb 62 00 ba 34 12 cd ab 48 c7 c7 48 cd b8 ba 48 31 d0 <48> 89 05 ab eb 62 00 e9 6a 9b fd ff 0f 1f 44 00 00 48 8b 05 da bc # [ 61.286038] RSP: 0018:ffff94328195be60 EFLAGS: 00010202 # [ 61.313441] RAX: 000000000198b861 RBX: 000000000000[ 61.995474] PGD b4829067 P4D b4829067 PUD b482a063 PMD 10493d063 PTE 80000000b4609161 0028 RCX: 0000000000000000 # [ 61.320563] RDX: 00000000abcd1234 RSI: ffff8b082ac1bf70 RDI: ffffffffbab8cd48 # [ 61.335915] RBP: ffffffffbab8bf35 R08: 0000000000000000 R09: 0000000000000000 # [ 61.343038] R10: 00000000ffffe000 R11: 3fffffffffffffff[ 62.025474] Oops: 0003 [#14] SMP NOPTI R12: 0000000000000009 # [ 61.350158] R13: ffff94328195bf10 R14: ffff94328195bf10 R15: ffff8b0803c32000 # [ 61.357283] FS: 00007f7d2445d580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 # [ 61.365361] CS: 0010 DS: 0000 ES: 0000 CR0: 000[ 62.051404] CPU: 0 PID: 1953 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 62.081317] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 0000080050033 # [ 61.371096] CR2: ffffffffba79c1f0 CR3: 0000000103ad0000 CR4: 00000000001506f0 # [ 61.378216] Call Trace: # [ 61.380661] direct_entry.cold+0x2c/0x38 # [ 61.384581] full_proxy_write+0x56/0x80 # [ 61.388413] vfs_write+0xea/0[ 62.087230] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a x3a0 # [ 61.391724] ksys_write+0x68/0xf0 # [ 61.395034] do_syscall_64+0x33/0x40 # [ 61.398606] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 61.403650] RIP: 0033:0x7f7d2436a8f3 # [ 61.407220] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0[ 62.114799] Code: cd b8 ba e9 3e 9b fd ff 48 c7 c7 a0 cd b8 ba e8 32 9b fd ff 48 8b 05 a7 bc a9 00 ba 34 12 cd ab 48 c7 c7 48 cd b8 ba 48 31 d0 <48> 89 05 91 bc a9 00 e9 10 9b fd ff 0f 1f 44 00 00 41 54 48 c7 c7 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 61.425957] RSP: 002b:00007fffec9f9c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 61.4335[ 62.155721] RSP: 0018:ffff9432819ebe60 EFLAGS: 00010202 [ 62.183123] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 15] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f7d2436a8f3 # [ 61.440638] RDX: 0000000000000009 RSI: 00007f7d2425d000 RDI: 0000000000000001 # [ 61.447759] RBP: 00007f7d2425d000 R08: 00007f7d2425c010 R09: 0000000000000000 # [ 61.454882] [ 62.190244] RDX: 00000000abcd1234 RSI: ffff8b082ac1bf70 RDI: ffffffffbab8cd48 [ 62.219550] RBP: ffffffffbab8bf3e R08: 0000000000000000 R09: 0000000000000000 R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 61.462005] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 61.469132] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_[ 62.226674] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 ec_sysfs cros_ec_dev cros_usbpd_notify # [ 61.481553] CR2: ffffffffba79c1f0 # [ 61.484866] ---[ end trace 55216ed5e2971758 ]--- # [ 61.489479] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 61.493396] Code: 89 ff e8 be ae a3 ff 48 c7 c0 ea ff ff ff eb de 48 [ 62.255981] R13: ffff9432819ebf10 R14: ffff9432819ebf10 R15: ffff8b0803324000 c7[ c0 ea ff ff ff e9 d9 54 92 00 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 e0 f0 93 02 # [ 61.512131] RSP: 0018:ffff943280863e60 EFLAGS: 00010286 # [ 61.517348] RAX: ffffffffb9adf430 RBX: 000000 62.285290] FS: 00007fd33fdb6580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 [ 62.315554] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0000000001 RCX: 0000000000000000 # [ 61.524470] RDX: 0000000000000000 RSI: ffff8b082ac1bf70 RDI: ffffffffba79bd70 # [ 61.531593] RBP: ffffffffbabe73a8 R08: 0000000000000001 R09: 0000000000000001 # [ 61.538716] R10: 00000000ffffe000 R11: 3fffffffff[ 62.321290] CR2: ffffffffbac09330 CR3: 0000000104bb4000 CR4: 00000000001506f0 [ 62.350596] Call Trace: ffffff R12: 0000000000000004 # [ 61.545837] R13: ffff943280863f10 R14: ffff943280863f10 R15: ffff8b0804f78000 # [ 61.552958] FS: 00007f7d2445d580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 # [ 61.561035] CS: 0010 DS: 0000 ES: 0000 CR[ 62.353044] direct_entry.cold+0x2c/0x38 0: 0000000080050033 # [ 61.566770] CR2: ffffffffba79c1f0 CR3: 0000000103ad0000 CR4: 00000000001506f0 # [ 61.573892] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 61.582749] in_atomic(): 0, irqs_disabled([ 62.379143] full_proxy_write+0x56/0x80 ): 1, non_block: 0, pid: 1918, name: cat # [ 61.590305] INFO: lockdep is turned off. # [ 61.594222] irq event stamp: 0 # [ 61.597270] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 61.603528] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 61.611691] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 61.619854] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 61.626109] CPU: 0 PID: 1918 Comm: cat Ta[ 62.430652] ksys_write+0x68/0xf0 inted: G D W 5.10.153-cip19 #1 # [ 61.633840] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 # [ 61.639748] Call Trace: # [ 61.642192] dump_stack+0x77/0x9b # [ 61.645504] ___might_sleep.cold+0xa6/0xb6 # [ 61.649594] exit[ 62.456149] do_syscall_64+0x33/0x40 _signals+0x1c/0x2e0 # [ 61.653164] do_exit+0xd5/0xb00 # [ 61.656302] ? ksys_write+0x68/0xf0 # [ 61.659788] rewind_stack_do_exit+0x17/0x20 # [ 61.663966] RIP: 0033:0x7f7d2436a8f3 # [ 61.667534] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 [ 62.481907] entry_SYSCALL_64_after_hwframe+0x61/0xc6 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 61.686269] RSP: 002b:00007fffec9f9c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 61.69[ 62.509136] RIP: 0033:0x7fd33fc928f3 38[28] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f7d2436a8f3 # [ 61.700951] RDX: 0000000000000009 RSI: 00007f7d2425d000 RDI: 0000000000000001 # [ 61.708072] RBP: 00007f7d2425d000 R08: 00007f7d2425c010 R09: 0000000000000000 # [ 61.715193 62.534892] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 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: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 61.722314] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # WRITE_RO: saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AF[ 62.575816] RSP: 002b:00007ffc1e6ba6c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 62.605559] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fd33fc928f3 TER_INIT.sh [ 62.612682] RDX: 0000000000000014 RSI: 00007fd33fb85000 RDI: 0000000000000001 [ 62.620928] RBP: 00007fd33fb85000 R08: 00007fd33fb84010 R09: 0000000000000000 [ 62.628051] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 62.635173] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 62.642300] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_dev cros_usbpd_notify [ 62.654721] CR2: ffffffffbac09330 [ 62.658034] ---[ end trace 55216ed5e2971759 ]--- [ 62.662647] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 62.666564] Code: 89 ff e8 be ae a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 d9 54 92 00 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 e0 f0 93 02 [ 62.685302] RSP: 0018:ffff943280863e60 EFLAGS: 00010286 [ 62.690517] RAX: ffffffffb9adf430 RBX: 0000000000000001 RCX: 0000000000000000 [ 62.697640] RDX: 0000000000000000 RSI: ffff8b082ac1bf70 RDI: ffffffffba79bd70 [ 62.704764] RBP: ffffffffbabe73a8 R08: 0000000000000001 R09: 0000000000000001 [ 62.711886] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 62.719007] R13: ffff943280863f10 R14: ffff943280863f10 R15: ffff8b0804f78000 [ 62.726129] FS: 00007fd33fdb6580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 [ 62.734207] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.739943] CR2: ffffffffbac09330 CR3: 0000000104bb4000 CR4: 00000000001506f0 [ 62.747068] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 62.755925] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1953, name: cat [ 62.763480] INFO: lockdep is turned off. [ 62.767395] irq event stamp: 0 [ 62.770445] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 62.776705] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 62.784870] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 62.793035] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 62.799292] CPU: 0 PID: 1953 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 62.807022] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 [ 62.812930] Call Trace: [ 62.815376] dump_stack+0x77/0x9b [ 62.818688] ___might_sleep.cold+0xa6/0xb6 [ 62.822778] exit_signals+0x1c/0x2e0 [ 62.826350] do_exit+0xd5/0xb00 [ 62.829489] ? ksys_write+0x68/0xf0 [ 62.832977] rewind_stack_do_exit+0x17/0x20 [ 62.837154] RIP: 0033:0x7fd33fc928f3 [ 62.840722] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 62.859460] RSP: 002b:00007ffc1e6ba6c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 62.867019] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fd33fc928f3 [ 62.874142] RDX: 0000000000000014 RSI: 00007fd33fb85000 RDI: 0000000000000001 [ 62.881264] RBP: 00007fd33fb85000 R08: 00007fd33fb84010 R09: 0000000000000000 [ 62.888386] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 62.895508] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 63.106307] lkdtm: Performing direct entry WRITE_KERN # Killed # [ 61.898663] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 61.904498] lkdtm: attempting bad ro_after_init write at ffffffffbac09330 # [ 61.933483] BUG: unable to handle page fault for address: ffffffffbac09330 # [ 61.962511][ 63.111360] lkdtm: attempting bad 6872489 byte write at ffffffffba16d5a9 #PF: supervisor write access in kernel mode # [ 61.989912] #PF: error_code(0x0003) - permissions violation # [ 61.995474] PGD b4829067 P4D b4829067 PUD b482a063 PMD 10493d063 PTE 80000000b4609161 # [ 62.025474] Oops: 0003 [#14] SMP NOPTI # [ 6[ 63.140263] BUG: unable to handle page fault for address: ffffffffba16d5a9 2.051404] CPU: 0 PID: 1953 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 62.081317] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 # [ 62.087230] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 62.114799] Code: cd b8 ba e9 3e [ 63.169288] #PF: supervisor write access in kernel mode [ 63.196687] #PF: error_code(0x0003) - permissions violation 9b fd ff 48 c7 c7 a0 cd b8 ba e8 32 9b fd ff 48 8b 05 a7 bc a9 00 ba 34 12 cd ab 48 c7 c7 48 cd b8 ba 48 31 d0 <48> 89 05 91 bc a9 00 e9 10 9b fd ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 62.155721] RSP: 0018:ffff9432819ebe60 EFLAGS: 00010202 # [ 62.18312[ 63.202249] PGD b4829067 P4D b4829067 PUD b482a063 PMD b3a001e1 3][ RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 # [ 62.190244] RDX: 00000000abcd1234 RSI: ffff8b082ac1bf70 RDI: ffffffffbab8cd48 # [ 62.219550] RBP: ffffffffbab8bf3e R08: 0000000000000000 R09: 0000000000000000 # [ 62.226674] R 63.230428] Oops: 0003 [#15] SMP NOPTI 10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 # [ 62.255981] R13: ffff9432819ebf10 R14: ffff9432819ebf10 R15: ffff8b0803324000 # [ 62.285290] FS: 00007fd33fdb6580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 # [ 62.31[ 63.256361] CPU: 0 PID: 1988 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 63.286274] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 5554] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.321290] CR2: ffffffffbac09330 CR3: 0000000104bb4000 CR4: 00000000001506f0 # [ 62.350596] Call Trace: # [ 62.353044] direct_entry.cold+0x2c/0x38 # [ 62.379143] full_proxy_write+0x5[ 63.292187] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e 6/0x80 # [ 62.405157] vfs_write+0xea/0x3a0 # [ 62.430652] ksys_write+0x68/0xf0 # [ 62.456149] do_syscall_64+0x33/0x40 # [ 62.481907] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 62.509136] RIP: 0033:0x7fd33fc928f3 # [ 62.534892] Code:[ 63.318974] Code: 53 48 c7 c3 a9 d5 16 ba 49 89 dc 48 89 da 49 81 ec 00 f8 ad b9 4c 89 e6 e8 e5 9a fd ff 48 89 df 4c 89 e1 48 c7 c6 00 f8 ad b9 a4 48 c7 c7 48 cd b8 ba e8 ca 9a fd ff 5b 41 5c e9 b7 fe ff ff 8[b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 62.575816] RSP: 002b:00007ffc1e6ba6c8 EFLAGS: 00000246 63.359894] RSP: 0018:ffff943281a6be50 EFLAGS: 00010246 [ 63.387298] RAX: 000000000000003c RBX: ffffffffba16d5a9 RCX: 000000000068dda9 ORIG_RAX: 0000000000000001 # [ 62.605559] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fd33fc928f3 # [ 62.612682] RDX: 0000000000000014 RSI: 00007fd33fb85000 RDI: 0000000000000001 # [ 62.620928] RBP: 00007fd33fb85000 R08: 00007fd33fb8401[ 63.394421] RDX: 0000000000000000 RSI: ffffffffb9adf800 RDI: ffffffffba16d5a9 [ 63.423727] RBP: ffffffffbab8bf52 R08: 0000000000000000 R09: 0000000000000000 0 R09: 0000000000000000 # [ 62.628051] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 62.635173] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 62.642300] Modules linked in: fuse ip_tables cros_ec_ligh[ 63.430850] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000068dda9 [ 63.460155] R13: ffff943281a6bf10 R14: ffff943281a6bf10 R15: ffff8b0803313000 tbar cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_dev cros_usbpd_notify # [ 62.654721] CR2: ffffffffbac09330 # [ 62.658034] ---[ end trace 55216ed5e2971759 ]--- # [ 62.662647] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 62.666564] Code: 89 ff e8 [ 63.467278] FS: 00007fce0f4c5580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 [ 63.497536] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 be ae a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 d9 54 92 00 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 e0 f0 93 02 # [ 62.685302] RSP: 0018:ffff943280863e60 EFLAGS: 00010286 # [ 62[ 63.503272] CR2: ffffffffba16d5a9 CR3: 0000000103c3a000 CR4: 00000000001506f0 [ 63.532577] Call Trace: .690517] RAX: ffffffffb9adf430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 62.697640] RDX: 0000000000000000 RSI: ffff8b082ac1bf70 RDI: ffffffffba79bd70 # [ 62.704764] RBP: ffffffffbabe73a8 R08: 0000000000000001 R09: 0000000000000001 # [ 62.711[ 63.535025] direct_entry.cold+0x2c/0x38 886] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 62.719007] R13: ffff943280863f10 R14: ffff943280863f10 R15: ffff8b0804f78000 # [ 62.726129] FS: 00007fd33fdb6580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 # [ [ 63.561122] full_proxy_write+0x56/0x80 62.734207] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.739943] CR2: ffffffffbac09330 CR3: 0000000104bb4000 CR4: 00000000001506f0 # [ 62.747068] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ [ 63.587141] vfs_write+0xea/0x3a0 62.755925] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1953, name: cat # [ 62.763480] INFO: lockdep is turned off. # [ 62.767395] irq event stamp: 0 # [ 62.770445] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 62.77670[ 63.612635] ksys_write+0x68/0xf0 5] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 62.784870] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 62.793035] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ [ 63.638131] do_syscall_64+0x33/0x40 62.799292] CPU: 0 PID: 1953 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 62.807022] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 # [ 62.812930] Call Trace: # [ 62.815376] dump_stack+0x77/0x9b # [ 62.818688] ___might_sl[ 63.663887] entry_SYSCALL_64_after_hwframe+0x61/0xc6 eep.cold+0xa6/0xb6 # [ 62.822778] exit_signals+0x1c/0x2e0 # [ 62.826350] do_exit+0xd5/0xb00 # [ 62.829489] ? ksys_write+0x68/0xf0 # [ 62.832977] rewind_stack_do_exit+0x17/0x20 # [ 62.837154] RIP: 0033:0x7fd33fc928f3 # [ 62.840722] Cod[ 63.691116] RIP: 0033:0x7fce0f3d28f3 [ 63.716871] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 e: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 62.859460] RSP: 002b:00007ffc1e6ba6c8 EFLAGS: 000002[ 63.735606] RSP: 002b:00007fff39625be8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 63.765344] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fce0f3d28f3 46 ORIG_RAX: 0000000000000001 # [ 62.867019] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fd33fc928f3 # [ 62.874142] RDX: 0000000000000014 RSI: 00007fd33fb85000 RDI: 0000000000000001 # [ 62.881264] RBP: 00007fd33fb85000 R08: 00007fd33fb84[ 63.772467] RDX: 000000000000000b RSI: 00007fce0f2c5000 RDI: 0000000000000001 [ 63.801773] RBP: 00007fce0f2c5000 R08: 00007fce0f2c4010 R09: 0000000000000000 010 R09: 0000000000000000 # [ 62.888386] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 62.895508] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # WRITE_RO_AFTER_INIT: saw 'call trace:': ok ok 40 selftests[ 63.808896] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 63.838202] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 : lkdtm: WRITE_RO_AFTER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh [ 63.845328] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_dev cros_usbpd_notify [ 63.863624] CR2: ffffffffba16d5a9 [ 63.866934] ---[ end trace 55216ed5e297175a ]--- [ 63.871544] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 63.875459] Code: 89 ff e8 be ae a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 d9 54 92 00 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 e0 f0 93 02 [ 63.894193] RSP: 0018:ffff943280863e60 EFLAGS: 00010286 [ 63.899407] RAX: ffffffffb9adf430 RBX: 0000000000000001 RCX: 0000000000000000 [ 63.906529] RDX: 0000000000000000 RSI: ffff8b082ac1bf70 RDI: ffffffffba79bd70 [ 63.913649] RBP: ffffffffbabe73a8 R08: 0000000000000001 R09: 0000000000000001 [ 63.920771] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 63.927893] R13: ffff943280863f10 R14: ffff943280863f10 R15: ffff8b0804f78000 [ 63.935015] FS: 00007fce0f4c5580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 [ 63.943090] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.948825] CR2: ffffffffba16d5a9 CR3: 0000000103c3a000 CR4: 00000000001506f0 # Killed # [ 63.106307] lkdtm: Performing direct entry WRITE_KERN # [ 63.111360] lkdtm: attempting bad 6872489 byte write at ffffffffba16d5a9 # [ 63.140263] BUG: unable to handle page fault for address: ffffffffba16d5a9 # [ 63.169288] #PF: supervisor write access in kernel mode # [ 63.196687] #PF: error_code(0x0003) - permissions violation # [ 63.202249] PGD b4829067 P4D b4829067 PUD b482a063 PMD b3a001e1 # [ 63.230428] Oops: 0003 [#15] SMP NOPTI # [ 63.256361] CPU: 0 PID: 1988 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 63.286274] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 # [ 63.292187] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 63.318974] Code: 53 48 c7 c3 a9 d5 16 ba 49 89 dc 48 89 da 49 81 ec 00 f8 ad b9 4c 89 e6 e8 e5 9a fd ff 48 89 df 4c 89 e1 48 c7 c6 00 f8 ad b9 a4 48 c7 c7 48 cd b8 ba e8 ca 9a fd ff 5b 41 5c e9 b7 fe ff ff # [ 63.359894] RSP: 0018:ffff943281a6be50 EFLAGS: 00010246 # [ 63.387298] RAX: 000000000000003c RBX: ffffffffba16d5a9 RCX: 000000000068dda9 # [ 63.394421] RDX: 0000000000000000 RSI: ffffffffb9adf800 RDI: ffffffffba16d5a9 # [ 63.423727] RBP: ffffffffbab8bf52 R08: 0000000000000000 R09: 0000000000000000 # [ 63.430850] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000068dda9 # [ 63.460155] R13: ffff943281a6bf10 R14: ffff943281a6bf10 R15: ffff8b0803313000 # [ 63.467278] FS: 00007fce0f4c5580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 # [ 63.497536] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.503272] CR2: ffffffffba16d5a9 CR3: 0000000103c3a0[ 64.151282] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW 00 CR4: 00000000001506f0 # [ 63.532577] Call Trace: # [ 63.535025] direct_entry.cold+0x2c/0x38 # [ 63.561122] full_proxy_write+0x56/0x80 # [ 63.587141] vfs_write+0xea/0x3a0 # [ 63.612635] ksys_write+0x68/0xf0 # [ 63.638131] do_syscal[ 64.175288] lkdtm: attempting good refcount_inc() without overflow l_64+0x33/0x40 # [ 63.663887] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 63.691116] RIP: 0033:0x7fce0f3d28f3 # [ 63.716871] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 [ 64.203647] lkdtm: attempting bad refcount_inc() overflow 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 63.735606] RSP: 002b:00007fff39625be8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.765344] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fce0f3d28f3 # [ 64.231212] ------------[ cut here ]------------ [ 63.772467] RDX: 000000000000000b RSI: 00007fce0f2c5000 RDI: 0000000000000001 # [ 63.801773] RBP: 00007fce0f2c5000 R08: 00007fce0f2c4010 R09: 0000000000000000 # [ 63.808896] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ [ 64.258008] refcount_t: saturated; leaking memory. 63.838202] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 63.845328] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_dev cros_usbpd_notify # [ 63.863624] CR2: ffffffffba1[ 64.285009] WARNING: CPU: 0 PID: 2023 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 6d5a9 # [ 63.866934] ---[ end trace 55216ed5e297175a ]--- # [ 63.871544] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 63.875459] Code: 89 ff e8 be ae a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 d9 54 92 00 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 0[ 64.315628] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_dev cros_usbpd_notify 0 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 f0 93 02 # [ 63.894193] RSP: 0018:ffff943280863e60 EFLAGS: 00010286 # [ 63.899407] RAX: ffffffffb9adf430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 63.906529] RDX: 0000000000000000 [ 64.350305] CPU: 0 PID: 2023 Comm: cat Tainted: G D W 5.10.153-cip19 #1 RSI: ffff8b082ac1bf70 RDI: ffffffffba79bd70 # [ 63.913649] RBP: ffffffffbabe73a8 R08: 0000000000000001 R09: 0000000000000001 # [ 63.920771] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 63.927893] R13: ffff943280863f10 R14:[ 64.380132] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 ffff943280863f10 R15: ffff8b0804f78000 # [ 63.935015] FS: 00007fce0f4c5580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 # [ 63.943090] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.948825] CR2: ffffffffba16d5a9 CR3: 00000001[ 64.408263] RIP: 0010:refcount_warn_saturate+0x51/0x110 03c3a000 CR4: 00000000001506f0 # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh [ 64.435622] Code: 84 bc 00 00 00 e9 cf 9c c4 00 85 f6 74 46 80 3d 25 41 94 01 00 75 ee 48 c7 c7 a0 78 b2 ba c6 05 15 41 94 01 01 e8 ba 6b 98 00 <0f> 0b e9 a8 9c c4 00 80 3d 01 41 94 01 00 75 cb 48 c7 c7 c8 78 b2 [ 64.467741] RSP: 0018:ffff943281aebe48 EFLAGS: 00010286 [ 64.472981] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 [ 64.480160] RDX: ffff8b082ac2c660 RSI: ffff8b082ac1bf70 RDI: ffff8b082ac1bf70 [ 64.487302] RBP: ffffffffbab8bf5d R08: 0000000000000000 R09: 0000000000000000 [ 64.494475] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 64.501619] R13: ffff943281aebf10 R14: ffff943281aebf10 R15: ffff8b08031d3000 [ 64.508808] FS: 00007f5c1fcae580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 [ 64.516907] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.522720] CR2: 00007f5c1fa7d000 CR3: 0000000104c18000 CR4: 00000000001506f0 [ 64.529904] Call Trace: [ 64.532436] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 [ 64.537295] direct_entry.cold+0x2c/0x38 [ 64.541291] full_proxy_write+0x56/0x80 [ 64.545232] vfs_write+0xea/0x3a0 [ 64.548633] ksys_write+0x68/0xf0 [ 64.552021] do_syscall_64+0x33/0x40 [ 64.555687] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 64.560820] RIP: 0033:0x7f5c1fb8a8f3 [ 64.564482] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 64.583310] RSP: 002b:00007ffce2c49818 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 64.590953] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f5c1fb8a8f3 [ 64.598144] RDX: 0000000000000016 RSI: 00007f5c1fa7d000 RDI: 0000000000000001 [ 64.605319] RBP: 00007f5c1fa7d000 R08: 00007f5c1fa7c010 R09: 0000000000000000 [ 64.612455] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 64.619596] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 64.626739] irq event stamp: 0 [ 64.629796] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 64.636061] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 64.644232] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 64.652410] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 64.658672] ---[ end trace 55216ed5e297175b ]--- [ 64.663289] lkdtm: Overflow detected: saturated # [ 64.151282] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 64.175288] lkdtm: attempting good refcount_inc() without overflow # [ 64.203647] lkdtm: attempting bad refcount_inc() overflow # [ 64.231212] ------------[ cut here ]------------ # [ 64.258008] refcount_t: saturated; leaking memory. # [ 64.285009] WARNING: CPU: 0 PID: 2023 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 64.315628] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_dev cros_usbpd_notify # [ 64.350305] CPU: 0 PID: 2023 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 64.380132] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 # [ 64.408263] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 64.435622] Code: 84 bc 00 00 00 e9 cf 9c c4 00 85 f6 74 46 80 3d 25 41 94 01 00 75 ee 48 c7 c7 a0 78 b2 ba c6 05 15 41 94 01 01 e8 ba 6b 98 00 <0f> 0b e9 a8 9c c4 00 80 3d 01 41 94 01 00 75 cb 48 c7 c7 c8 78 b2 # [ 64.467741] RSP: 0018:ffff943281aebe48 EFLAGS: 00010286 # [ 64.472981] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 # [ 64.480160] RDX: ffff8b082ac2c660 RSI: ffff8b082ac1bf70 RDI: ffff8b082ac1bf70 # [ 64.487302] RBP: ffffffffbab8bf5d R08: 0000000000000000 R09: 0000000000000000 # [ 64.494475] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 64.501619] R13: ffff943281aebf10 R14: ffff943281aebf10 R15: ffff8b08031d3000 # [ 64.508808] FS: 00007f5c1fcae580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 # [ 64.51[ 64.810106] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW 6907] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.522720] CR2: 00007f5c1fa7d000 CR3: 0000000104c18000 CR4: 00000000001506f0 # [ 64.529904] Call Trace: # [ 64.532436] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 # [ 64.537295] direct_ent[ 64.833620] lkdtm: attempting good refcount_add() without overflow ry.cold+0x2c/0x38 # [ 64.541291] full_proxy_write+0x56/0x80 # [ 64.545232] vfs_write+0xea/0x3a0 # [ 64.548633] ksys_write+0x68/0xf0 # [ 64.552021] do_syscall_64+0x33/0x40 # [ 64.555687] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 64[ 64.862009] lkdtm: attempting bad refcount_add() overflow .560820] RIP: 0033:0x7f5c1fb8a8f3 # [ 64.564482] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [[ 64.889615] ------------[ cut here ]------------ 64.583310] RSP: 002b:00007ffce2c49818 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 64.590953] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f5c1fb8a8f3 # [ 64.598144] RDX: 0000000000000016 RSI: 00007f5c1fa7d000 RDI: 0000000000000001 # [ 64.916402] refcount_t: saturated; leaking memory. [ 64.605319] RBP: 00007f5c1fa7d000 R08: 00007f5c1fa7c010 R09: 0000000000000000 # [ 64.612455] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 64.619596] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ [ 64.943499] WARNING: CPU: 0 PID: 2055 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 64.626739] irq event stamp: 0 # [ 64.629796] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.636061] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 64.644232] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 64.652410] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.658672] ---[ end trace 55216ed5e297175b ]--- # [ 64.663289] lkdtm: Overflow detected: saturated # REFCOUNT_INC_OVERFLOW: saw 'ca[ 65.008541] CPU: 0 PID: 2055 Comm: cat Tainted: G D W 5.10.153-cip19 #1 ll trace:': ok ok 42 selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh [ 65.038533] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 [ 65.054085] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 65.059348] Code: 84 bc 00 00 00 e9 cf 9c c4 00 85 f6 74 46 80 3d 25 41 94 01 00 75 ee 48 c7 c7 a0 78 b2 ba c6 05 15 41 94 01 01 e8 ba 6b 98 00 <0f> 0b e9 a8 9c c4 00 80 3d 01 41 94 01 00 75 cb 48 c7 c7 c8 78 b2 [ 65.078104] RSP: 0018:ffff943281b5be48 EFLAGS: 00010286 [ 65.083361] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 [ 65.090504] RDX: ffff8b082ac2c660 RSI: ffff8b082ac1bf70 RDI: ffff8b082ac1bf70 [ 65.097673] RBP: ffffffffbab8bf73 R08: 0000000000000000 R09: 0000000000000000 [ 65.104817] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 65.112017] R13: ffff943281b5bf10 R14: ffff943281b5bf10 R15: ffff8b0804aca000 [ 65.119207] FS: 00007f8451345580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 [ 65.127348] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.133181] CR2: 00007f8451145000 CR3: 00000001030e4000 CR4: 00000000001506f0 [ 65.140380] Call Trace: [ 65.142904] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 [ 65.147751] direct_entry.cold+0x2c/0x38 [ 65.151804] full_proxy_write+0x56/0x80 [ 65.155708] vfs_write+0xea/0x3a0 [ 65.159082] ksys_write+0x68/0xf0 [ 65.162495] do_syscall_64+0x33/0x40 [ 65.166096] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 65.171155] RIP: 0033:0x7f84512528f3 [ 65.174728] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 65.193484] RSP: 002b:00007ffc0a53e298 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 65.201051] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f84512528f3 [ 65.208172] RDX: 0000000000000016 RSI: 00007f8451145000 RDI: 0000000000000001 [ 65.215299] RBP: 00007f8451145000 R08: 00007f8451144010 R09: 0000000000000000 [ 65.222426] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 65.229567] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 65.236701] irq event stamp: 0 [ 65.239758] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 65.246021] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 65.254191] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 65.262382] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 65.268649] ---[ end trace 55216ed5e297175c ]--- [ 65.273273] lkdtm: Overflow detected: saturated # [ 64.810106] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 64.833620] lkdtm: attempting good refcount_add() without overflow # [ 64.862009] lkdtm: attempting bad refcount_add() overflow # [ 64.889615] ------------[ cut here ]------------ # [ 64.916402] refcount_t: saturated; leaking memory. # [ 64.943499] WARNING: CPU: 0 PID: 2055 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 64.974027] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_dev cros_usbpd_notify # [ 65.008541] CPU: 0 PID: 2055 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 65.038533] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 # [ 65.054085] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 65.059348] Code: 84 bc 00 00 00 e9 cf 9c c4 00 85 f6 74 46 80 3d 25 41 94 01 00 75 ee 48 c7 c7 a0 78 b2 ba c6 05 15 41 94 01 01 e8 ba 6b 98 00 <0f> 0b e9 a8 9c c4 00 80 3d 01 41 94 01 00 75 cb 48 c7 c7 c8 78 b2 # [ 65.078104] RSP: 0018:ffff943281b5be48 EFLAGS: 00010286 # [ 65.083361] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 65.090504] RDX: ffff8b082ac2c660 RSI: ffff8b082ac1bf70 RDI: ffff8b082ac1bf70 # [ 65.097673] RBP: ffffffffbab8bf73 R08: 0000000000000000 R09: 0000000000000000 # [ 65.104817] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 65.112017] R13: ffff943281b5bf10 R14: ffff943281b5bf10 R15: ffff8b0804aca000 # [ 65.119207] FS: 00007f8451345580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 # [ 65.[ 65.430736] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW 127348] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.133181] CR2: 00007f8451145000 CR3: 00000001030e4000 CR4: 00000000001506f0 # [ 65.140380] Call Trace: # [ 65.142904] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 65.147751] direct_e[ 65.445724] lkdtm: attempting bad refcount_inc_not_zero() overflow ntry.cold+0x2c/0x38 # [ 65.151804] full_proxy_write+0x56/0x80 # [ 65.155708] vfs_write+0xea/0x3a0 # [ 65.159082] ksys_write+0x68/0xf0 # [ 65.162495] do_syscall_64+0x33/0x40 # [ 65.166096] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ [ 65.474101] ------------[ cut here ]------------ 65.171155] RIP: 0033:0x7f84512528f3 # [ 65.174728] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 #[ 65.500921] refcount_t: saturated; leaking memory. [ 65.193484] RSP: 002b:00007ffc0a53e298 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.201051] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f84512528f3 # [ 65.208172] RDX: 0000000000000016 RSI: 00007f8451145000 RDI: 0000000000000001 [ 65.527922] WARNING: CPU: 0 PID: 2087 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 65.215299] RBP: 00007f8451145000 R08: 00007f8451144010 R09: 0000000000000000 # [ 65.222426] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 65.229567] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ [ 65.558564] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_dev cros_usbpd_notify 65.236701] irq event stamp: 0 # [ 65.239758] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.246021] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 65.254191] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 65.262382] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.268649] ---[ end trace 55216ed5e297175c ]--- # [ 65.273273] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_OVERFLOW: saw '[ 65.623043] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 call trace:': ok ok 43 selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh [ 65.651123] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 65.666950] Code: 01 01 e8 97 6b 98 00 0f 0b e9 85 9c c4 00 80 3d e0 40 94 01 00 75 a8 48 c7 c7 a0 78 b2 ba c6 05 d0 40 94 01 01 e8 74 6b 98 00 <0f> 0b e9 62 9c c4 00 80 3d ba 40 94 01 00 75 85 48 c7 c7 f8 78 b2 [ 65.685730] RSP: 0018:ffff943281bcbe38 EFLAGS: 00010282 [ 65.690972] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 65.698126] RDX: ffff8b082ac2c660 RSI: ffff8b082ac1bf70 RDI: ffff8b082ac1bf70 [ 65.705275] RBP: ffffffffbab8bbb0 R08: 0000000000000000 R09: 0000000000000000 [ 65.712420] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 65.719567] R13: ffff943281bcbf10 R14: ffff943281bcbf10 R15: ffff8b0803ff8000 [ 65.726726] FS: 00007fce1e1943c0(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 [ 65.734829] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.740602] CR2: 00007fce1df65000 CR3: 0000000103b44000 CR4: 00000000001506f0 [ 65.747751] Call Trace: [ 65.750245] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 65.755752] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 [ 65.761394] direct_entry.cold+0x2c/0x38 [ 65.765341] full_proxy_write+0x56/0x80 [ 65.769245] vfs_write+0xea/0x3a0 [ 65.772632] ksys_write+0x68/0xf0 [ 65.776066] do_syscall_64+0x33/0x40 [ 65.779756] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 65.784890] RIP: 0033:0x7fce1e0728f3 [ 65.788523] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 65.807380] RSP: 002b:00007ffd95be4258 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 65.814970] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fce1e0728f3 [ 65.822160] RDX: 000000000000001f RSI: 00007fce1df65000 RDI: 0000000000000001 [ 65.829297] RBP: 00007fce1df65000 R08: 00007fce1df64010 R09: 0000000000000000 [ 65.836421] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 65.843547] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 65.850696] irq event stamp: 0 [ 65.853757] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 65.860022] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 65.868193] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 65.876360] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 65.882638] ---[ end trace 55216ed5e297175d ]--- [ 65.887253] lkdtm: Overflow detected: saturated # [ 65.430736] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 65.445724] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 65.474101] ------------[ cut here ]------------ # [ 65.500921] refcount_t: saturated; leaking memory. # [ 65.527922] WARNING: CPU: 0 PID: 2087 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 65.558564] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_dev cros_usbpd_notify # [ 65.593135] CPU: 0 PID: 2087 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 65.623043] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 # [ 65.651123] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 65.666950] Code: 01 01 e8 97 6b 98 00 0f 0b e9 85 9c c4 00 80 3d e0 40 94 01 00 75 a8 48 c7 c7 a0 78 b2 ba c6 05 d0 40 94 01 01 e8 74 6b 98 00 <0f> 0b e9 62 9c c4 00 80 3d ba 40 94 01 00 75 85 48 c7 c7 f8 78 b2 # [ 65.685730] RSP: 0018:ffff943281bcbe38 EFLAGS: 00010282 # [ 65.690972] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 65.698126] RDX: ffff8b082ac2c660 RSI: ffff8b082ac1bf70 RDI: ffff8b082ac1bf70 # [ 65.705275] RBP: ffffffffbab8bbb0 R08: 0000000000000000 R09: 0000000000000000 # [ 65.712420] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 65.719567] R13: ffff943281bcbf10 R14: ffff943281bcbf10 R15: ffff8b0803ff8000 # [ 65.726726] FS: 00007fce1e1943c0(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 # [ 65.734829] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.044897] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW [ 65.740602] CR2: 00007fce1df65000 CR3: 0000000103b44000 CR4: 00000000001506f0 # [ 65.747751] Call Trace: # [ 65.750245] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 65.755752] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 65.7613[ 66.059693] lkdtm: attempting bad refcount_add_not_zero() overflow 94] direct_entry.cold+0x2c/0x38 # [ 65.765341] full_proxy_write+0x56/0x80 # [ 65.769245] vfs_write+0xea/0x3a0 # [ 65.772632] ksys_write+0x68/0xf0 # [ 65.776066] do_syscall_64+0x33/0x40 # [ 65.779756] entry_SYSCALL_64_after_hwframe+0x61[ 66.088076] ------------[ cut here ]------------ /0xc6 # [ 65.784890] RIP: 0033:0x7fce1e0728f3 # [ 65.788523] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 8[ 66.114854] refcount_t: saturated; leaking memory. 9 54 24 18 # [ 65.807380] RSP: 002b:00007ffd95be4258 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.814970] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fce1e0728f3 # [ 65.822160] RDX: 000000000000001f RSI: 00007fce1df65000 RDI: 00000[ 66.141903] WARNING: CPU: 0 PID: 2119 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 00000000001 # [ 65.829297] RBP: 00007fce1df65000 R08: 00007fce1df64010 R09: 0000000000000000 # [ 65.836421] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 65.843547] R13: 0000000000000001 R14: 0000000000020000 R15: 000000000[ 66.172530] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_dev cros_usbpd_notify 0020000 # [ 65.850696] irq event stamp: 0 # [ 65.853757] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.860022] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 65.868193] softirqs last enabled [ 66.207059] CPU: 0 PID: 2119 Comm: cat Tainted: G D W 5.10.153-cip19 #1 at (0): [] copy_process+0x640/0x1c80 # [ 65.876360] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.882638] ---[ end trace 55216ed5e297175d ]--- # [ 65.887253] lkdtm: Overflow detected: saturated # REFCOUNT_INC_NO[ 66.237010] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 T_ZERO_OVERFLOW: saw 'call trace:': ok ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh [ 66.265071] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 66.283662] Code: 01 01 e8 97 6b 98 00 0f 0b e9 85 9c c4 00 80 3d e0 40 94 01 00 75 a8 48 c7 c7 a0 78 b2 ba c6 05 d0 40 94 01 01 e8 74 6b 98 00 <0f> 0b e9 62 9c c4 00 80 3d ba 40 94 01 00 75 85 48 c7 c7 f8 78 b2 [ 66.302420] RSP: 0018:ffff943281c43e38 EFLAGS: 00010282 [ 66.307679] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 66.314822] RDX: ffff8b082ac2c660 RSI: ffff8b082ac1bf70 RDI: ffff8b082ac1bf70 [ 66.322000] RBP: ffffffffbab8bbd0 R08: 0000000000000000 R09: 0000000000000000 [ 66.329148] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 66.336312] R13: ffff943281c43f10 R14: ffff943281c43f10 R15: ffff8b0801f5a000 [ 66.343462] FS: 00007f253b650580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 [ 66.351561] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.357325] CR2: 00007f253b41d000 CR3: 0000000103f2a000 CR4: 00000000001506f0 [ 66.364498] Call Trace: [ 66.366983] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 66.372516] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 [ 66.378102] direct_entry.cold+0x2c/0x38 [ 66.382096] full_proxy_write+0x56/0x80 [ 66.386003] vfs_write+0xea/0x3a0 [ 66.389411] ksys_write+0x68/0xf0 [ 66.392808] do_syscall_64+0x33/0x40 [ 66.396466] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 66.401668] RIP: 0033:0x7f253b52a8f3 [ 66.405315] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 66.424111] RSP: 002b:00007fff18e95fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.431741] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f253b52a8f3 [ 66.438923] RDX: 000000000000001f RSI: 00007f253b41d000 RDI: 0000000000000001 [ 66.446061] RBP: 00007f253b41d000 R08: 00007f253b41c010 R09: 0000000000000000 [ 66.453186] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 66.460328] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 66.467469] irq event stamp: 0 [ 66.470525] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 66.476789] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 66.484958] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 66.493137] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 66.499397] ---[ end trace 55216ed5e297175e ]--- [ 66.504013] lkdtm: Overflow detected: saturated # [ 66.044897] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 66.059693] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 66.088076] ------------[ cut here ]------------ # [ 66.114854] refcount_t: saturated; leaking memory. # [ 66.141903] WARNING: CPU: 0 PID: 2119 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 66.172530] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_dev cros_usbpd_notify # [ 66.207059] CPU: 0 PID: 2119 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 66.237010] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 # [ 66.265071] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 66.283662] Code: 01 01 e8 97 6b 98 00 0f 0b e9 85 9c c4 00 80 3d e0 40 94 01 00 75 a8 48 c7 c7 a0 78 b2 ba c6 05 d0 40 94 01 01 e8 74 6b 98 00 <0f> 0b e9 62 9c c4 00 80 3d ba 40 94 01 00 75 85 48 c7 c7 f8 78 b2 # [ 66.302420] RSP: 0018:ffff943281c43e38 EFLAGS: 00010282 # [ 66.307679] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 66.314822] RDX: ffff8b082ac2c660 RSI: ffff8b082ac1bf70 RDI: ffff8b082ac1bf70 # [ 66.322000] RBP: ffffffffbab8bbd0 R08: 0000000000000000 R09: 0000000000000000 # [ 66.329148] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 66.336312] R13: ffff943281c43f10 R14: ffff943281c43f10 R15: ffff8b0801f5a000 # [ 66.343462] FS: 00007f253b650580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 # [ 66.351561] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033[ 66.655665] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 66.357325] CR2: 00007f253b41d000 CR3: 0000000103f2a000 CR4: 00000000001506f0 # [ 66.364498] Call Trace: # [ 66.366983] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 66.372516] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 66.[ 66.675580] lkdtm: attempting good refcount_dec() 378102] direct_entry.cold+0x2c/0x38 # [ 66.382096] full_proxy_write+0x56/0x80 # [ 66.386003] vfs_write+0xea/0x3a0 # [ 66.389411] ksys_write+0x68/0xf0 # [ 66.392808] do_syscall_64+0x33/0x40 # [ 66.396466] entry_SYSCALL_64_after_hwframe+[ 66.702485] lkdtm: attempting bad refcount_dec() to zero 0x61/0xc6 # [ 66.401668] RIP: 0033:0x7f253b52a8f3 # [ 66.405315] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 [ 66.729964] ------------[ cut here ]------------ 48 89 54 24 18 # [ 66.424111] RSP: 002b:00007fff18e95fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.431741] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f253b52a8f3 # [ 66.438923] RDX: 000000000000001f RSI: 00007f253b41d000 RDI: 0[ 66.756779] refcount_t: decrement hit 0; leaking memory. 000000000000001 # [ 66.446061] RBP: 00007f253b41d000 R08: 00007f253b41c010 R09: 0000000000000000 # [ 66.453186] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 66.460328] R13: 0000000000000001 R14: 0000000000020000 R15: 00000[ 66.784394] WARNING: CPU: 0 PID: 2151 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 00000020000 # [ 66.467469] irq event stamp: 0 # [ 66.470525] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.476789] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 66.484958] softirqs last enab[ 66.814890] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_dev cros_usbpd_notify led at (0): [] copy_process+0x640/0x1c80 # [ 66.493137] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.499397] ---[ end trace 55216ed5e297175e ]--- # [ 66.504013] lkdtm: Overflow detected: saturated # REFCOUNT_AD[ 66.849527] CPU: 0 PID: 2151 Comm: cat Tainted: G D W 5.10.153-cip19 #1 D_NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok 45 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_DEC_ZERO.sh [ 66.879401] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 [ 66.897915] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 66.903185] Code: 50 79 b2 ba c6 05 81 40 94 01 01 e8 2a 6b 98 00 0f 0b e9 18 9c c4 00 48 c7 c7 20 79 b2 ba c6 05 68 40 94 01 01 e8 10 6b 98 00 <0f> 0b e9 fe 9b c4 00 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 66.921978] RSP: 0018:ffff943281cabe48 EFLAGS: 00010286 [ 66.927246] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 [ 66.934421] RDX: ffff8b082ac2c660 RSI: ffff8b082ac1bf70 RDI: ffff8b082ac1bf70 [ 66.941598] RBP: ffffffffbab8bf89 R08: 0000000000000000 R09: 0000000000000000 [ 66.948789] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 66.955989] R13: ffff943281cabf10 R14: ffff943281cabf10 R15: ffff8b080339b000 [ 66.963184] FS: 00007fb618ba9580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 [ 66.971327] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.977168] CR2: 00007fb618975000 CR3: 0000000103244000 CR4: 00000000001506f0 [ 66.984355] Call Trace: [ 66.986862] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd [ 66.991413] direct_entry.cold+0x2c/0x38 [ 66.995410] full_proxy_write+0x56/0x80 [ 66.999308] vfs_write+0xea/0x3a0 [ 67.002777] ksys_write+0x68/0xf0 [ 67.006152] do_syscall_64+0x33/0x40 [ 67.009802] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 67.014930] RIP: 0033:0x7fb618a828f3 [ 67.018530] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 67.037291] RSP: 002b:00007ffd0e276df8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 67.044864] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fb618a828f3 [ 67.051990] RDX: 0000000000000012 RSI: 00007fb618975000 RDI: 0000000000000001 [ 67.059117] RBP: 00007fb618975000 R08: 00007fb618974010 R09: 0000000000000000 [ 67.066259] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 67.073395] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 67.080525] irq event stamp: 0 [ 67.083578] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 67.089840] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 67.098025] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 67.106198] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 67.112460] ---[ end trace 55216ed5e297175f ]--- [ 67.117076] lkdtm: Zero detected: saturated # [ 66.655665] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 66.675580] lkdtm: attempting good refcount_dec() # [ 66.702485] lkdtm: attempting bad refcount_dec() to zero # [ 66.729964] ------------[ cut here ]------------ # [ 66.756779] refcount_t: decrement hit 0; leaking memory. # [ 66.784394] WARNING: CPU: 0 PID: 2151 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 66.814890] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_dev cros_usbpd_notify # [ 66.849527] CPU: 0 PID: 2151 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 66.879401] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 # [ 66.897915] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 66.903185] Code: 50 79 b2 ba c6 05 81 40 94 01 01 e8 2a 6b 98 00 0f 0b e9 18 9c c4 00 48 c7 c7 20 79 b2 ba c6 05 68 40 94 01 01 e8 10 6b 98 00 <0f> 0b e9 fe 9b c4 00 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 66.921978] RSP: 0018:ffff943281cabe48 EFLAGS: 00010286 # [ 66.927246] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 66.934421] RDX: ffff8b082ac2c660 RSI: ffff8b082ac1bf70 RDI: ffff8b082ac1bf70 # [ 66.941598] RBP: ffffffffbab8bf89 R08: 0000000000000000 R09: 0000000000000000 # [ 66.948789] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 66.955989] R13: ffff943281cabf10 R14: ffff943281cabf10 R15: ffff8b080339b000 # [ 66.963184] FS: 00007fb618ba9580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 # [ 66.971327] CS: 0010 DS: 000[ 67.280286] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE 0 ES: 0000 CR0: 0000000080050033 # [ 66.977168] CR2: 00007fb618975000 CR3: 0000000103244000 CR4: 00000000001506f0 # [ 66.984355] Call Trace: # [ 66.986862] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 66.991413] direct_entry.cold+0x2c/0x38 # [ 66[ 67.289713] lkdtm: attempting bad refcount_dec() below zero .995410] full_proxy_write+0x56/0x80 # [ 66.999308] vfs_write+0xea/0x3a0 # [ 67.002777] ksys_write+0x68/0xf0 # [ 67.006152] do_syscall_64+0x33/0x40 # [ 67.009802] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 67.014930] RIP: 0033:0x7fb618[ 67.317450] ------------[ cut here ]------------ a828f3 # [ 67.018530] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 67.037291] RSP: 002b:000[ 67.344295] refcount_t: decrement hit 0; leaking memory. 07ffd0e276df8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.044864] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fb618a828f3 # [ 67.051990] RDX: 0000000000000012 RSI: 00007fb618975000 RDI: 0000000000000001 # [ 67.059117] RBP: 00007fb[ 67.371794] WARNING: CPU: 0 PID: 2186 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 618975000 R08: 00007fb618974010 R09: 0000000000000000 # [ 67.066259] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 67.073395] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.080525] irq event stamp:[ 67.402467] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_dev cros_usbpd_notify 0 # [ 67.083578] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.089840] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 67.098025] softirqs last enabled at (0): [] copy_process+[ 67.436967] CPU: 0 PID: 2186 Comm: cat Tainted: G D W 5.10.153-cip19 #1 0x640/0x1c80 # [ 67.106198] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.112460] ---[ end trace 55216ed5e297175f ]--- # [ 67.117076] lkdtm: Zero detected: saturated # REFCOUNT_DEC_ZERO: saw 'call trace:': ok ok 46 selftests: lk[ 67.466942] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 dtm: REFCOUNT_DEC_ZERO.sh # selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh [ 67.495004] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 67.506572] Code: 50 79 b2 ba c6 05 81 40 94 01 01 e8 2a 6b 98 00 0f 0b e9 18 9c c4 00 48 c7 c7 20 79 b2 ba c6 05 68 40 94 01 01 e8 10 6b 98 00 <0f> 0b e9 fe 9b c4 00 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 67.525354] RSP: 0018:ffff943281d1be48 EFLAGS: 00010286 [ 67.530614] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 [ 67.537764] RDX: ffff8b082ac2c660 RSI: ffff8b082ac1bf70 RDI: ffff8b082ac1bf70 [ 67.544922] RBP: ffffffffbab8bf9b R08: 0000000000000000 R09: 0000000000000000 [ 67.552062] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 67.559214] R13: ffff943281d1bf10 R14: ffff943281d1bf10 R15: ffff8b0805853000 [ 67.566363] FS: 00007fe8810fe580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 [ 67.574486] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.580251] CR2: 00007fe880ecd000 CR3: 0000000104a52000 CR4: 00000000001506f0 [ 67.587418] Call Trace: [ 67.589897] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 [ 67.594742] direct_entry.cold+0x2c/0x38 [ 67.598683] full_proxy_write+0x56/0x80 [ 67.602595] vfs_write+0xea/0x3a0 [ 67.605955] ksys_write+0x68/0xf0 [ 67.609343] do_syscall_64+0x33/0x40 [ 67.613012] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 67.618162] RIP: 0033:0x7fe880fda8f3 [ 67.621814] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 67.640663] RSP: 002b:00007ffcf409b718 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 67.648279] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fe880fda8f3 [ 67.655521] RDX: 0000000000000016 RSI: 00007fe880ecd000 RDI: 0000000000000001 [ 67.662701] RBP: 00007fe880ecd000 R08: 00007fe880ecc010 R09: 0000000000000000 [ 67.669865] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 67.677018] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 67.684161] irq event stamp: 0 [ 67.687226] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 67.693496] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 67.701665] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 67.709848] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 67.716109] ---[ end trace 55216ed5e2971760 ]--- [ 67.720724] lkdtm: Negative detected: saturated # [ 67.280286] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 67.289713] lkdtm: attempting bad refcount_dec() below zero # [ 67.317450] ------------[ cut here ]------------ # [ 67.344295] refcount_t: decrement hit 0; leaking memory. # [ 67.371794] WARNING: CPU: 0 PID: 2186 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 67.402467] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_dev cros_usbpd_notify # [ 67.436967] CPU: 0 PID: 2186 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 67.466942] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 # [ 67.495004] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 67.506572] Code: 50 79 b2 ba c6 05 81 40 94 01 01 e8 2a 6b 98 00 0f 0b e9 18 9c c4 00 48 c7 c7 20 79 b2 ba c6 05 68 40 94 01 01 e8 10 6b 98 00 <0f> 0b e9 fe 9b c4 00 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 67.525354] RSP: 0018:ffff943281d1be48 EFLAGS: 00010286 # [ 67.530614] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 67.537764] RDX: ffff8b082ac2c660 RSI: ffff8b082ac1bf70 RDI: ffff8b082ac1bf70 # [ 67.544922] RBP: ffffffffbab8bf9b R08: 0000000000000000 R09: 0000000000000000 # [ 67.552062] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 67.559214] R13: ffff943281d1bf10 R14: ffff943281d1bf10 R15: ffff8b0805853000 # [ 67.566363] FS: 00007fe8810fe580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 # [ 67.574486] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.580251] CR2: 00007fe880ecd000 CR3: 0000000104a52000 CR4: 00000000001506f0 # [ 67.587418] Call Trace: # [ 67.589897] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 67.594742] direct_entry.co[ 67.885210] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE ld+0x2c/0x38 # [ 67.598683] full_proxy_write+0x56/0x80 # [ 67.602595] vfs_write+0xea/0x3a0 # [ 67.605955] ksys_write+0x68/0xf0 # [ 67.609343] do_syscall_64+0x33/0x40 # [ 67.613012] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 67.6181[ 67.912849] lkdtm: attempting bad refcount_dec_and_test() below zero 62] RIP: 0033:0x7fe880fda8f3 # [ 67.621814] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 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[ 67.941380] ------------[ cut here ]------------ .640663] RSP: 002b:00007ffcf409b718 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.648279] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fe880fda8f3 # [ 67.655521] RDX: 0000000000000016 RSI: 00007fe880ecd000 RDI: 0000000000000001 # [ 6[ 67.968217] refcount_t: underflow; use-after-free. 7.662701] RBP: 00007fe880ecd000 R08: 00007fe880ecc010 R09: 0000000000000000 # [ 67.669865] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 67.677018] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.68[ 67.995198] WARNING: CPU: 0 PID: 2221 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 4161] irq event stamp: 0 # [ 67.687226] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.693496] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 67.701665] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 67.709848] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.716109] ---[ end trace 55216ed5e2971760 ]--- # [ 67.720724] lkdtm: Negative detected: saturated # REFCOUNT_DEC_NEGATIVE: saw 'Negativ[ 68.060415] CPU: 0 PID: 2221 Comm: cat Tainted: G D W 5.10.153-cip19 #1 e detected: saturated': ok ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh [ 68.090318] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 [ 68.107732] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 68.112985] Code: 01 01 e8 74 6b 98 00 0f 0b e9 62 9c c4 00 80 3d ba 40 94 01 00 75 85 48 c7 c7 f8 78 b2 ba c6 05 aa 40 94 01 01 e8 51 6b 98 00 <0f> 0b e9 3f 9c c4 00 80 3d 95 40 94 01 00 0f 85 5e ff ff ff 48 c7 [ 68.131753] RSP: 0018:ffff943281d83e40 EFLAGS: 00010286 [ 68.137012] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 [ 68.144162] RDX: ffff8b082ac2c660 RSI: ffff8b082ac1bf70 RDI: ffff8b082ac1bf70 [ 68.151317] RBP: ffffffffbab8bbf0 R08: 0000000000000000 R09: 0000000000000000 [ 68.158459] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 68.165626] R13: ffff943281d83f10 R14: ffff943281d83f10 R15: ffff8b0804ae3000 [ 68.172776] FS: 00007f18641cd580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 [ 68.180889] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.186651] CR2: 00007f1863f9d000 CR3: 00000001031da000 CR4: 00000000001506f0 [ 68.193847] Call Trace: [ 68.196359] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 68.201983] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 [ 68.207631] direct_entry.cold+0x2c/0x38 [ 68.211663] full_proxy_write+0x56/0x80 [ 68.215593] vfs_write+0xea/0x3a0 [ 68.218999] ksys_write+0x68/0xf0 [ 68.222396] do_syscall_64+0x33/0x40 [ 68.226094] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 68.231179] RIP: 0033:0x7f18640aa8f3 [ 68.234764] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 68.253502] RSP: 002b:00007ffd9cb6c8b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 68.261063] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f18640aa8f3 [ 68.268206] RDX: 000000000000001f RSI: 00007f1863f9d000 RDI: 0000000000000001 [ 68.275339] RBP: 00007f1863f9d000 R08: 00007f1863f9c010 R09: 0000000000000000 [ 68.282467] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 68.289595] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 68.296741] irq event stamp: 0 [ 68.299796] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 68.306062] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 68.314232] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 68.322401] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 68.328681] ---[ end trace 55216ed5e2971761 ]--- [ 68.333305] lkdtm: Negative detected: saturated # [ 67.885210] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 67.912849] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 67.941380] ------------[ cut here ]------------ # [ 67.968217] refcount_t: underflow; use-after-free. # [ 67.995198] WARNING: CPU: 0 PID: 2221 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 68.025865] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_dev cros_usbpd_notify # [ 68.060415] CPU: 0 PID: 2221 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 68.090318] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 # [ 68.107732] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 68.112985] Code: 01 01 e8 74 6b 98 00 0f 0b e9 62 9c c4 00 80 3d ba 40 94 01 00 75 85 48 c7 c7 f8 78 b2 ba c6 05 aa 40 94 01 01 e8 51 6b 98 00 <0f> 0b e9 3f 9c c4 00 80 3d 95 40 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 68.131753] RSP: 0018:ffff943281d83e40 EFLAGS: 00010286 # [ 68.137012] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 68.144162] RDX: ffff8b082ac2c660 RSI: ffff8b082ac1bf70 RDI: ffff8b082ac1bf70 # [ 68.151317] RBP: ffffffffbab8bbf0 R08: 0000000000000000 R09: 0000000000000000 # [ 68.158459] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 68.165626] R13: ffff943281d83f10 R14: ffff943281d83f10 R15: ffff8b0804ae3000 # [ 68.172776] FS: 00007f18641cd580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 # [ 68.180889] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.186651] CR[ 68.490283] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE 2: 00007f1863f9d000 CR3: 00000001031da000 CR4: 00000000001506f0 # [ 68.193847] Call Trace: # [ 68.196359] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 68.201983] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 68.207631] direct_entry[ 68.512826] lkdtm: attempting bad refcount_sub_and_test() below zero .cold+0x2c/0x38 # [ 68.211663] full_proxy_write+0x56/0x80 # [ 68.215593] vfs_write+0xea/0x3a0 # [ 68.218999] ksys_write+0x68/0xf0 # [ 68.222396] do_syscall_64+0x33/0x40 # [ 68.226094] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 68.2[ 68.541378] ------------[ cut here ]------------ 31179] RIP: 0033:0x7f18640aa8f3 # [ 68.234764] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ [ 68.568209] refcount_t: underflow; use-after-free. 68.253502] RSP: 002b:00007ffd9cb6c8b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.261063] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f18640aa8f3 # [ 68.268206] RDX: 000000000000001f RSI: 00007f1863f9d000 RDI: 0000000000000001 # [ [ 68.595195] WARNING: CPU: 0 PID: 2256 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 68.275339] RBP: 00007f1863f9d000 R08: 00007f1863f9c010 R09: 0000000000000000 # [ 68.282467] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 68.289595] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68[ 68.625858] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_dev cros_usbpd_notify .296741] irq event stamp: 0 # [ 68.299796] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 68.306062] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 68.314232] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 68.322401] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 68.328681] ---[ end trace 55216ed5e2971761 ]--- # [ 68.333305] lkdtm: Negative detected: saturated # REFCOUNT_DEC_AND_TEST_NEGATIVE: [ 68.690333] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 saw 'Negative detected: saturated': ok ok 48 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh [ 68.718424] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 68.736952] Code: 01 01 e8 74 6b 98 00 0f 0b e9 62 9c c4 00 80 3d ba 40 94 01 00 75 85 48 c7 c7 f8 78 b2 ba c6 05 aa 40 94 01 01 e8 51 6b 98 00 <0f> 0b e9 3f 9c c4 00 80 3d 95 40 94 01 00 0f 85 5e ff ff ff 48 c7 [ 68.755747] RSP: 0018:ffff943281e03e40 EFLAGS: 00010286 [ 68.761023] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 [ 68.768204] RDX: ffff8b082ac2c660 RSI: ffff8b082ac1bf70 RDI: ffff8b082ac1bf70 [ 68.775408] RBP: ffffffffbab8bc10 R08: 0000000000000000 R09: 0000000000000000 [ 68.782585] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 68.789795] R13: ffff943281e03f10 R14: ffff943281e03f10 R15: ffff8b0803322000 [ 68.796974] FS: 00007f9382afe580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 [ 68.805136] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.810953] CR2: 00007f93828cd000 CR3: 0000000103318000 CR4: 00000000001506f0 [ 68.818198] Call Trace: [ 68.820721] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 68.826262] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b [ 68.831941] direct_entry.cold+0x2c/0x38 [ 68.835937] full_proxy_write+0x56/0x80 [ 68.839801] vfs_write+0xea/0x3a0 [ 68.843152] ksys_write+0x68/0xf0 [ 68.846479] do_syscall_64+0x33/0x40 [ 68.850053] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 68.855101] RIP: 0033:0x7f93829da8f3 [ 68.858692] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 68.877439] RSP: 002b:00007ffd688e9018 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 68.885003] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f93829da8f3 [ 68.892144] RDX: 000000000000001f RSI: 00007f93828cd000 RDI: 0000000000000001 [ 68.899271] RBP: 00007f93828cd000 R08: 00007f93828cc010 R09: 0000000000000000 [ 68.906399] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 68.913526] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 68.920681] irq event stamp: 0 [ 68.923744] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 68.930017] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 68.938186] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 68.946354] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 68.952624] ---[ end trace 55216ed5e2971762 ]--- [ 68.957239] lkdtm: Negative detected: saturated # [ 68.490283] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 68.512826] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 68.541378] ------------[ cut here ]------------ # [ 68.568209] refcount_t: underflow; use-after-free. # [ 68.595195] WARNING: CPU: 0 PID: 2256 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 68.625858] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_dev cros_usbpd_notify # [ 68.660434] CPU: 0 PID: 2256 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 68.690333] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 # [ 68.718424] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 68.736952] Code: 01 01 e8 74 6b 98 00 0f 0b e9 62 9c c4 00 80 3d ba 40 94 01 00 75 85 48 c7 c7 f8 78 b2 ba c6 05 aa 40 94 01 01 e8 51 6b 98 00 <0f> 0b e9 3f 9c c4 00 80 3d 95 40 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 68.755747] RSP: 0018:ffff943281e03e40 EFLAGS: 00010286 # [ 68.761023] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 68.768204] RDX: ffff8b082ac2c660 RSI: ffff8b082ac1bf70 RDI: ffff8b082ac1bf70 # [ 68.775408] RBP: ffffffffbab8bc10 R08: 0000000000000000 R09: 0000000000000000 # [ 68.782585] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 68.789795] R13: ffff943281e03f10 R14: ffff943281e03f10 R15: ffff8b0803322000 # [ 68.796974] FS: 00007f9382afe580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 # [ 68.805136] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.810953] CR2: 00007f93828cd000 CR3: 0000000103318000 CR4: 00000000001506f[ 69.110921] lkdtm: Performing direct entry REFCOUNT_INC_ZERO 0 # [ 68.818198] Call Trace: # [ 68.820721] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 68.826262] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b # [ 68.831941] direct_entry.cold+0x2c/0x38 # [ 68.835937] full_proxy_write+0x56/0x80 [ 69.136612] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 68.839801] vfs_write+0xea/0x3a0 # [ 68.843152] ksys_write+0x68/0xf0 # [ 68.846479] do_syscall_64+0x33/0x40 # [ 68.850053] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 68.855101] RIP: 0033:0x7f93829da8f3 # [ 68.858692] Code: 8b 15 [ 69.165114] lkdtm: Good: zero detected a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 68.877439] RSP: 002b:00007ffd688e9018 EFLAGS: 00000246 ORIG_R[ 69.191135] lkdtm: Correctly stayed at zero AX: 0000000000000001 # [ 68.885003] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f93829da8f3 # [ 68.892144] RDX: 000000000000001f RSI: 00007f93828cd000 RDI: 0000000000000001 # [ 68.899271] RBP: 00007f93828cd000 R08: 00007f93828cc010 R09: [ 69.217409] lkdtm: attempting bad refcount_inc() from zero 0000000000000000 # [ 68.906399] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 68.913526] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.920681] irq event stamp: 0 # [ 68.923744] hardirqs last e[ 69.245121] ------------[ cut here ]------------ nabled at (0): [<0000000000000000>] 0x0 # [ 68.930017] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 68.938186] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 68.946354] softir[ 69.271890] refcount_t: addition on 0; use-after-free. qs last disabled at (0): [<0000000000000000>] 0x0 # [ 68.952624] ---[ end trace 55216ed5e2971762 ]--- # [ 68.957239] lkdtm: Negative detected: saturated # REFCOUNT_SUB_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 49 selftests: lkdtm[ 69.299280] WARNING: CPU: 0 PID: 2288 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 : REFCOUNT_SUB_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_INC_ZERO.sh [ 69.329804] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_dev cros_usbpd_notify [ 69.349079] CPU: 0 PID: 2288 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 69.356833] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 [ 69.362774] RIP: 0010:refcount_warn_saturate+0x74/0x110 [ 69.368014] Code: 01 01 e8 ba 6b 98 00 0f 0b e9 a8 9c c4 00 80 3d 01 41 94 01 00 75 cb 48 c7 c7 c8 78 b2 ba c6 05 f1 40 94 01 01 e8 97 6b 98 00 <0f> 0b e9 85 9c c4 00 80 3d e0 40 94 01 00 75 a8 48 c7 c7 a0 78 b2 [ 69.386781] RSP: 0018:ffff943281e83e48 EFLAGS: 00010286 [ 69.392024] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 [ 69.399174] RDX: ffff8b082ac2c660 RSI: ffff8b082ac1bf70 RDI: ffff8b082ac1bf70 [ 69.406320] RBP: ffffffffbab8bfb1 R08: 0000000000000000 R09: 0000000000000000 [ 69.413480] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 69.420625] R13: ffff943281e83f10 R14: ffff943281e83f10 R15: ffff8b0803317000 [ 69.427820] FS: 00007fd19f4e8580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 [ 69.435953] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.441764] CR2: 00007fd19f2b5000 CR3: 00000001031d6000 CR4: 00000000001506f0 [ 69.448944] Call Trace: [ 69.451510] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 [ 69.455986] direct_entry.cold+0x2c/0x38 [ 69.459981] full_proxy_write+0x56/0x80 [ 69.463895] vfs_write+0xea/0x3a0 [ 69.467284] ksys_write+0x68/0xf0 [ 69.470671] do_syscall_64+0x33/0x40 [ 69.474329] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 69.479410] RIP: 0033:0x7fd19f3c28f3 [ 69.483114] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 69.501861] RSP: 002b:00007ffc1d866b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 69.509421] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fd19f3c28f3 [ 69.516564] RDX: 0000000000000012 RSI: 00007fd19f2b5000 RDI: 0000000000000001 [ 69.523698] RBP: 00007fd19f2b5000 R08: 00007fd19f2b4010 R09: 0000000000000000 [ 69.530826] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 69.537954] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 69.545103] irq event stamp: 0 [ 69.548158] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 69.554423] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 69.562592] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 69.570759] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 69.577042] ---[ end trace 55216ed5e2971763 ]--- [ 69.581664] lkdtm: Zero detected: saturated # [ 69.110921] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 69.136612] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 69.165114] lkdtm: Good: zero detected # [ 69.191135] lkdtm: Correctly stayed at zero # [ 69.217409] lkdtm: attempting bad refcount_inc() from zero # [ 69.245121] ------------[ cut here ]------------ # [ 69.271890] refcount_t: addition on 0; use-after-free. # [ 69.299280] WARNING: CPU: 0 PID: 2288 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 69.329804] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_dev cros_usbpd_notify # [ 69.349079] CPU: 0 PID: 2288 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 69.356833] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 # [ 69.362774] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 69.368014] Code: 01 01 e8 ba 6b 98 00 0f 0b e9 a8 9c c4 00 80 3d 01 41 94 01 00 75 cb 48 c7 c7 c8 78 b2 ba c6 05 f1 40 94 01 01 e8 97 6b 98 00 <0f> 0b e9 85 9c c4 00 80 3d e0 40 94 01 00 75 a8 48 c7 c7 a0 78 b2 # [ 69.386781] RSP: 0018:ffff943281e83e48 EFLAGS: 00010286 # [ 69.392024] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 69.399174] RDX: ffff8b082ac2c660 RSI: ffff8b082ac1bf70 RDI: ffff8b082ac1bf70 # [ 69.406320] RBP: ffffffffbab8bfb1 R08: 0000000000000000 R09: 0000000000000000 # [ 69.413480] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 69.420625] R13: ffff943281e83f10 R14: ffff943281e83f10 R15: ffff8b0803317000 # [ 69.427820] FS: 00007fd19f4e8580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 # [ 69.435953] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.441764] CR2: 000[ 69.747110] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO 07fd19f2b5000 CR3: 00000001031d6000 CR4: 00000000001506f0 # [ 69.448944] Call Trace: # [ 69.451510] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 69.455986] direct_entry.cold+0x2c/0x38 # [ 69.459981] full_proxy_write+0x56/0x80 # [ 69.463895] vfs[ 69.771217] lkdtm: attempting safe refcount_add_not_zero() from zero _write+0xea/0x3a0 # [ 69.467284] ksys_write+0x68/0xf0 # [ 69.470671] do_syscall_64+0x33/0x40 # [ 69.474329] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 69.479410] RIP: 0033:0x7fd19f3c28f3 # [ 69.483114] Code: 8b 15 a1 25 0e 00 f7 d8 64 8[ 69.799755] lkdtm: Good: zero detected 9 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 69.501861] RSP: 002b:00007ffc1d866b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 69.825723] lkdtm: Correctly stayed at zero # [ 69.509421] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fd19f3c28f3 # [ 69.516564] RDX: 0000000000000012 RSI: 00007fd19f2b5000 RDI: 0000000000000001 # [ 69.523698] RBP: 00007fd19f2b5000 R08: 00007fd19f2b4010 R09: 0000000000000000 # [ [ 69.852064] lkdtm: attempting bad refcount_add() from zero 69.530826] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 69.537954] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 69.545103] irq event stamp: 0 # [ 69.548158] hardirqs last enabled at (0): [<00000[ 69.879809] ------------[ cut here ]------------ 00000000000>] 0x0 # [ 69.554423] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 69.562592] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 69.570759] softirqs last disabled at (0[ 69.906573] refcount_t: addition on 0; use-after-free. ): [<0000000000000000>] 0x0 # [ 69.577042] ---[ end trace 55216ed5e2971763 ]--- # [ 69.581664] lkdtm: Zero detected: saturated # REFCOUNT_INC_ZERO: saw 'call trace:': ok ok 50 selftests: lkdtm: REFCOUNT_INC_ZERO.sh # selftests: lkdtm: REFCOUNT_ADD[ 69.933930] WARNING: CPU: 0 PID: 2320 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 _ZERO.sh [ 69.964466] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_dev cros_usbpd_notify [ 69.977707] CPU: 0 PID: 2320 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 69.985479] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 [ 69.991414] RIP: 0010:refcount_warn_saturate+0x74/0x110 [ 69.996668] Code: 01 01 e8 ba 6b 98 00 0f 0b e9 a8 9c c4 00 80 3d 01 41 94 01 00 75 cb 48 c7 c7 c8 78 b2 ba c6 05 f1 40 94 01 01 e8 97 6b 98 00 <0f> 0b e9 85 9c c4 00 80 3d e0 40 94 01 00 75 a8 48 c7 c7 a0 78 b2 [ 70.015426] RSP: 0018:ffff943281f13e48 EFLAGS: 00010286 [ 70.020694] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 [ 70.027850] RDX: ffff8b082ac2c660 RSI: ffff8b082ac1bf70 RDI: ffff8b082ac1bf70 [ 70.035007] RBP: ffffffffbab8bfc3 R08: 0000000000000000 R09: 0000000000000000 [ 70.042161] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 70.049335] R13: ffff943281f13f10 R14: ffff943281f13f10 R15: ffff8b0804b5a000 [ 70.056489] FS: 00007f68f2cae580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 [ 70.064615] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.070372] CR2: 00007f68f2a7d000 CR3: 0000000103322000 CR4: 00000000001506f0 [ 70.077571] Call Trace: [ 70.080085] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 [ 70.084643] direct_entry.cold+0x2c/0x38 [ 70.088641] full_proxy_write+0x56/0x80 [ 70.092554] vfs_write+0xea/0x3a0 [ 70.095937] ksys_write+0x68/0xf0 [ 70.099310] do_syscall_64+0x33/0x40 [ 70.102995] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 70.108240] RIP: 0033:0x7f68f2b8a8f3 [ 70.111849] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 70.130627] RSP: 002b:00007ffc77dcfe18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 70.138202] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f68f2b8a8f3 [ 70.145329] RDX: 0000000000000012 RSI: 00007f68f2a7d000 RDI: 0000000000000001 [ 70.152454] RBP: 00007f68f2a7d000 R08: 00007f68f2a7c010 R09: 0000000000000000 [ 70.159580] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 70.166707] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 70.173857] irq event stamp: 0 [ 70.176919] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 70.183185] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 70.191354] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 70.199523] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 70.205795] ---[ end trace 55216ed5e2971764 ]--- [ 70.210410] lkdtm: Zero detected: saturated # [ 69.747110] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 69.771217] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 69.799755] lkdtm: Good: zero detected # [ 69.825723] lkdtm: Correctly stayed at zero # [ 69.852064] lkdtm: attempting bad refcount_add() from zero # [ 69.879809] ------------[ cut here ]------------ # [ 69.906573] refcount_t: addition on 0; use-after-free. # [ 69.933930] WARNING: CPU: 0 PID: 2320 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 69.964466] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_dev cros_usbpd_notify # [ 69.977707] CPU: 0 PID: 2320 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 69.985479] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 # [ 69.991414] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 69.996668] Code: 01 01 e8 ba 6b 98 00 0f 0b e9 a8 9c c4 00 80 3d 01 41 94 01 00 75 cb 48 c7 c7 c8 78 b2 ba c6 05 f1 40 94 01 01 e8 97 6b 98 00 <0f> 0b e9 85 9c c4 00 80 3d e0 40 94 01 00 75 a8 48 c7 c7 a0 78 b2 # [ 70.015426] RSP: 0018:ffff943281f13e48 EFLAGS: 00010286 # [ 70.020694] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 70.027850] RDX: ffff8b082ac2c660 RSI: ffff8b082ac1bf70 RDI: ffff8b082ac1bf70 # [ 70.035007] RBP: ffffffffbab8bfc3 R08: 0000000000000000 R09: 0000000000000000 # [ 70.042161] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 70.049335] R13: ffff943281f13f10 R14: ffff943281f13f10 R15: ffff8b0804b5a000 # [ 70.056489] FS: 0000[ 70.377129] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED 7f68f2cae580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 # [ 70.064615] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.070372] CR2: 00007f68f2a7d000 CR3: 0000000103322000 CR4: 00000000001506f0 # [ 70.077571] Call Trace: # [ [ 70.385589] lkdtm: attempting bad refcount_inc() from saturated 70.080085] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 70.084643] direct_entry.cold+0x2c/0x38 # [ 70.088641] full_proxy_write+0x56/0x80 # [ 70.092554] vfs_write+0xea/0x3a0 # [ 70.095937] ksys_write+0x68/0xf0 # [ 70.099310] do_syscall_64+0x3[ 70.413698] ------------[ cut here ]------------ 3/0x40 # [ 70.102995] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 70.108240] RIP: 0033:0x7f68f2b8a8f3 # [ 70.111849] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f[ 70.440509] refcount_t: saturated; leaking memory. 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 70.130627] RSP: 002b:00007ffc77dcfe18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 70.138202] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f68f2b8a8f3 # [ 70.1[ 70.467547] WARNING: CPU: 0 PID: 2355 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 45329] RDX: 0000000000000012 RSI: 00007f68f2a7d000 RDI: 0000000000000001 # [ 70.152454] RBP: 00007f68f2a7d000 R08: 00007f68f2a7c010 R09: 0000000000000000 # [ 70.159580] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 70.16670[ 70.498097] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_dev cros_usbpd_notify 7] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 70.173857] irq event stamp: 0 # [ 70.176919] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 70.183185] hardirqs last disabled at (0): [] copy_p[ 70.532783] CPU: 0 PID: 2355 Comm: cat Tainted: G D W 5.10.153-cip19 #1 rocess+0x640/0x1c80 # [ 70.191354] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 70.199523] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 70.205795] ---[ end trace 55216ed5e2971764 ]--- # [ 70.2[ 70.562671] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 10410] 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 [ 70.590755] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 70.611300] Code: 84 bc 00 00 00 e9 cf 9c c4 00 85 f6 74 46 80 3d 25 41 94 01 00 75 ee 48 c7 c7 a0 78 b2 ba c6 05 15 41 94 01 01 e8 ba 6b 98 00 <0f> 0b e9 a8 9c c4 00 80 3d 01 41 94 01 00 75 cb 48 c7 c7 c8 78 b2 [ 70.630082] RSP: 0018:ffff943281f83e48 EFLAGS: 00010286 [ 70.635348] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 [ 70.642491] RDX: ffff8b082ac2c660 RSI: ffff8b082ac1bf70 RDI: ffff8b082ac1bf70 [ 70.649668] RBP: ffffffffbab8bfd5 R08: 0000000000000000 R09: 0000000000000000 [ 70.656822] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 70.663994] R13: ffff943281f83f10 R14: ffff943281f83f10 R15: ffff8b0803e7c000 [ 70.671149] FS: 00007f338c8b9580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 [ 70.679289] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.685072] CR2: 00007f338c685000 CR3: 0000000105852000 CR4: 00000000001506f0 [ 70.692279] Call Trace: [ 70.694867] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 [ 70.699783] direct_entry.cold+0x2c/0x38 [ 70.703780] full_proxy_write+0x56/0x80 [ 70.707697] vfs_write+0xea/0x3a0 [ 70.711082] ksys_write+0x68/0xf0 [ 70.714527] do_syscall_64+0x33/0x40 [ 70.718167] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 70.723273] RIP: 0033:0x7f338c7928f3 [ 70.726930] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 70.745761] RSP: 002b:00007ffefd0459e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 70.753333] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f338c7928f3 [ 70.760459] RDX: 0000000000000017 RSI: 00007f338c685000 RDI: 0000000000000001 [ 70.767585] RBP: 00007f338c685000 R08: 00007f338c684010 R09: 0000000000000000 [ 70.774710] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 70.781853] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 70.788991] irq event stamp: 0 [ 70.792049] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 70.798314] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 70.806483] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 70.814664] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 70.820926] ---[ end trace 55216ed5e2971765 ]--- [ 70.825542] lkdtm: Saturation detected: still saturated # [ 70.377129] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 70.385589] lkdtm: attempting bad refcount_inc() from saturated # [ 70.413698] ------------[ cut here ]------------ # [ 70.440509] refcount_t: saturated; leaking memory. # [ 70.467547] WARNING: CPU: 0 PID: 2355 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 70.498097] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_dev cros_usbpd_notify # [ 70.532783] CPU: 0 PID: 2355 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 70.562671] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 # [ 70.590755] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 70.611300] Code: 84 bc 00 00 00 e9 cf 9c c4 00 85 f6 74 46 80 3d 25 41 94 01 00 75 ee 48 c7 c7 a0 78 b2 ba c6 05 15 41 94 01 01 e8 ba 6b 98 00 <0f> 0b e9 a8 9c c4 00 80 3d 01 41 94 01 00 75 cb 48 c7 c7 c8 78 b2 # [ 70.630082] RSP: 0018:ffff943281f83e48 EFLAGS: 00010286 # [ 70.635348] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 70.642491] RDX: ffff8b082ac2c660 RSI: ffff8b082ac1bf70 RDI: ffff8b082ac1bf70 # [ 70.649668] RBP: ffffffffbab8bfd5 R08: 0000000000000000 R09: 0000000000000000 # [ 70.656822] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 70.663994] R13: ffff943281f83f10 R14: ffff943281f83f10 R15: ffff8b0803e7c000 # [ 70.671149] FS: 00007f338c8b9580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 # [ 70.679289] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.6850[ 70.984681] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED 72] CR2: 00007f338c685000 CR3: 0000000105852000 CR4: 00000000001506f0 # [ 70.692279] Call Trace: # [ 70.694867] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 70.699783] direct_entry.cold+0x2c/0x38 # [ 70.703780] full_proxy_write+0x56/0x80 # [ [ 71.000483] lkdtm: attempting bad refcount_dec() from saturated 70.707697] vfs_write+0xea/0x3a0 # [ 70.711082] ksys_write+0x68/0xf0 # [ 70.714527] do_syscall_64+0x33/0x40 # [ 70.718167] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 70.723273] RIP: 0033:0x7f338c7928f3 # [ 70.726930] Code: 8b 15 a1 25[ 71.028579] ------------[ cut here ]------------ 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 70.745761] RSP: 002b:00007ffefd0459e8 EFLAGS: 00000246 ORIG_RAX: 0[ 71.055367] refcount_t: decrement hit 0; leaking memory. 000000000000001 # [ 70.753333] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f338c7928f3 # [ 70.760459] RDX: 0000000000000017 RSI: 00007f338c685000 RDI: 0000000000000001 # [ 70.767585] RBP: 00007f338c685000 R08: 00007f338c684010 R09: 00000[ 71.082922] WARNING: CPU: 0 PID: 2390 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 00000000000 # [ 70.774710] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 70.781853] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 70.788991] irq event stamp: 0 # [ 70.792049] hardirqs last enable[ 71.113457] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_dev cros_usbpd_notify d at (0): [<0000000000000000>] 0x0 # [ 70.798314] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 70.806483] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 70.814664] softirqs la[ 71.148149] CPU: 0 PID: 2390 Comm: cat Tainted: G D W 5.10.153-cip19 #1 st disabled at (0): [<0000000000000000>] 0x0 # [ 70.820926] ---[ end trace 55216ed5e2971765 ]--- # [ 70.825542] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_SATURATED: saw 'Saturation detected: still saturated': ok ok 52 selftests: lk[ 71.177981] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 dtm: REFCOUNT_INC_SATURATED.sh # selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh [ 71.206138] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 71.218188] Code: 50 79 b2 ba c6 05 81 40 94 01 01 e8 2a 6b 98 00 0f 0b e9 18 9c c4 00 48 c7 c7 20 79 b2 ba c6 05 68 40 94 01 01 e8 10 6b 98 00 <0f> 0b e9 fe 9b c4 00 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 71.236971] RSP: 0018:ffff94328400fe48 EFLAGS: 00010286 [ 71.242242] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 [ 71.249400] RDX: ffff8b082ac2c660 RSI: ffff8b082ac1bf70 RDI: ffff8b082ac1bf70 [ 71.256571] RBP: ffffffffbab8bfec R08: 0000000000000000 R09: 0000000000000000 [ 71.263741] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 71.270922] R13: ffff94328400ff10 R14: ffff94328400ff10 R15: ffff8b0805852000 [ 71.278123] FS: 00007fe1fea35580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 [ 71.286280] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.292132] CR2: 00007fe1fe835000 CR3: 0000000103392000 CR4: 00000000001506f0 [ 71.299305] Call Trace: [ 71.301841] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f [ 71.306775] direct_entry.cold+0x2c/0x38 [ 71.310790] full_proxy_write+0x56/0x80 [ 71.314701] vfs_write+0xea/0x3a0 [ 71.318118] ksys_write+0x68/0xf0 [ 71.321510] do_syscall_64+0x33/0x40 [ 71.325193] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 71.330332] RIP: 0033:0x7fe1fe9428f3 [ 71.333987] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 71.352799] RSP: 002b:00007fff02fcb7e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 71.360396] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fe1fe9428f3 [ 71.367531] RDX: 0000000000000017 RSI: 00007fe1fe835000 RDI: 0000000000000001 [ 71.374656] RBP: 00007fe1fe835000 R08: 00007fe1fe834010 R09: 0000000000000000 [ 71.381782] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 71.388925] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 71.396065] irq event stamp: 0 [ 71.399122] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 71.405387] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 71.413557] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 71.421739] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 71.427998] ---[ end trace 55216ed5e2971766 ]--- [ 71.432614] lkdtm: Saturation detected: still saturated # [ 70.984681] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 71.000483] lkdtm: attempting bad refcount_dec() from saturated # [ 71.028579] ------------[ cut here ]------------ # [ 71.055367] refcount_t: decrement hit 0; leaking memory. # [ 71.082922] WARNING: CPU: 0 PID: 2390 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 71.113457] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_dev cros_usbpd_notify # [ 71.148149] CPU: 0 PID: 2390 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 71.177981] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 # [ 71.206138] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 71.218188] Code: 50 79 b2 ba c6 05 81 40 94 01 01 e8 2a 6b 98 00 0f 0b e9 18 9c c4 00 48 c7 c7 20 79 b2 ba c6 05 68 40 94 01 01 e8 10 6b 98 00 <0f> 0b e9 fe 9b c4 00 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 71.236971] RSP: 0018:ffff94328400fe48 EFLAGS: 00010286 # [ 71.242242] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 71.249400] RDX: ffff8b082ac2c660 RSI: ffff8b082ac1bf70 RDI: ffff8b082ac1bf70 # [ 71.256571] RBP: ffffffffbab8bfec R08: 0000000000000000 R09: 0000000000000000 # [ 71.263741] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 71.270922] R13: ffff94328400ff10 R14: ffff94328400ff10 R15: ffff8b0805852000 # [ 71.278123] FS: 00007fe1fea35580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 # [ 71.286280] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [[ 71.601191] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED 71.292132] CR2: 00007fe1fe835000 CR3: 0000000103392000 CR4: 00000000001506f0 # [ 71.299305] Call Trace: # [ 71.301841] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 71.306775] direct_entry.cold+0x2c/0x38 # [ 71.310790] full_proxy_write+0x56/[ 71.608135] lkdtm: attempting bad refcount_dec() from saturated 0x80 # [ 71.314701] vfs_write+0xea/0x3a0 # [ 71.318118] ksys_write+0x68/0xf0 # [ 71.321510] do_syscall_64+0x33/0x40 # [ 71.325193] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 71.330332] RIP: 0033:0x7fe1fe9428f3 # [ 71.333987] Code: 8[ 71.636221] ------------[ cut here ]------------ b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 71.352799] RSP: 002b:00007fff02fcb7e8 EFLAGS: 00000246 O[ 71.663048] refcount_t: saturated; leaking memory. RIG_RAX: 0000000000000001 # [ 71.360396] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fe1fe9428f3 # [ 71.367531] RDX: 0000000000000017 RSI: 00007fe1fe835000 RDI: 0000000000000001 # [ 71.374656] RBP: 00007fe1fe835000 R08: 00007fe1fe834010 [ 71.690080] WARNING: CPU: 0 PID: 2425 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 R09: 0000000000000000 # [ 71.381782] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 71.388925] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 71.396065] irq event stamp: 0 # [ 71.399122] hardirqs la[ 71.720634] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_dev cros_usbpd_notify st enabled at (0): [<0000000000000000>] 0x0 # [ 71.405387] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 71.413557] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 71.421739] s[ 71.755318] CPU: 0 PID: 2425 Comm: cat Tainted: G D W 5.10.153-cip19 #1 oftirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 71.427998] ---[ end trace 55216ed5e2971766 ]--- # [ 71.432614] lkdtm: Saturation detected: still saturated # REFCOUNT_DEC_SATURATED: saw 'Saturation detected: still saturated': ok ok 53 sel[ 71.785166] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 ftests: lkdtm: REFCOUNT_DEC_SATURATED.sh # selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh [ 71.813245] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 71.826201] Code: 84 bc 00 00 00 e9 cf 9c c4 00 85 f6 74 46 80 3d 25 41 94 01 00 75 ee 48 c7 c7 a0 78 b2 ba c6 05 15 41 94 01 01 e8 ba 6b 98 00 <0f> 0b e9 a8 9c c4 00 80 3d 01 41 94 01 00 75 cb 48 c7 c7 c8 78 b2 [ 71.844960] RSP: 0018:ffff94328408fe48 EFLAGS: 00010286 [ 71.850216] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 [ 71.857358] RDX: ffff8b082ac2c660 RSI: ffff8b082ac1bf70 RDI: ffff8b082ac1bf70 [ 71.864530] RBP: ffffffffbab8c003 R08: 0000000000000000 R09: 0000000000000000 [ 71.871673] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 71.878839] R13: ffff94328408ff10 R14: ffff94328408ff10 R15: ffff8b08045af000 [ 71.885983] FS: 00007f99e6385580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 [ 71.894132] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.899925] CR2: 00007f99e6185000 CR3: 0000000103c32000 CR4: 00000000001506f0 [ 71.907112] Call Trace: [ 71.909622] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 [ 71.914599] direct_entry.cold+0x2c/0x38 [ 71.918614] full_proxy_write+0x56/0x80 [ 71.922496] vfs_write+0xea/0x3a0 [ 71.925882] ksys_write+0x68/0xf0 [ 71.929232] do_syscall_64+0x33/0x40 [ 71.932858] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 71.937951] RIP: 0033:0x7f99e62928f3 [ 71.941646] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 71.960426] RSP: 002b:00007fffa3723308 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 71.968024] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f99e62928f3 [ 71.975160] RDX: 0000000000000017 RSI: 00007f99e6185000 RDI: 0000000000000001 [ 71.982296] RBP: 00007f99e6185000 R08: 00007f99e6184010 R09: 0000000000000000 [ 71.989429] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 71.996574] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 72.003710] irq event stamp: 0 [ 72.006768] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 72.013034] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 72.021203] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 72.029392] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 72.035660] ---[ end trace 55216ed5e2971767 ]--- [ 72.040284] lkdtm: Saturation detected: still saturated # [ 71.601191] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 71.608135] lkdtm: attempting bad refcount_dec() from saturated # [ 71.636221] ------------[ cut here ]------------ # [ 71.663048] refcount_t: saturated; leaking memory. # [ 71.690080] WARNING: CPU: 0 PID: 2425 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 71.720634] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_dev cros_usbpd_notify # [ 71.755318] CPU: 0 PID: 2425 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 71.785166] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 # [ 71.813245] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 71.826201] Code: 84 bc 00 00 00 e9 cf 9c c4 00 85 f6 74 46 80 3d 25 41 94 01 00 75 ee 48 c7 c7 a0 78 b2 ba c6 05 15 41 94 01 01 e8 ba 6b 98 00 <0f> 0b e9 a8 9c c4 00 80 3d 01 41 94 01 00 75 cb 48 c7 c7 c8 78 b2 # [ 71.844960] RSP: 0018:ffff94328408fe48 EFLAGS: 00010286 # [ 71.850216] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 71.857358] RDX: ffff8b082ac2c660 RSI: ffff8b082ac1bf70 RDI: ffff8b082ac1bf70 # [ 71.864530] RBP: ffffffffbab8c003 R08: 0000000000000000 R09: 0000000000000000 # [ 71.871673] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 71.878839] R13: ffff94328408ff10 R14: ffff94328408ff10 R15: ffff8b08045af000 # [ 71.885983] FS: 00007f99e6385580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 # [ 71.894132] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [[ 72.207228] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED 71.899925] CR2: 00007f99e6185000 CR3: 0000000103c32000 CR4: 00000000001506f0 # [ 71.907112] Call Trace: # [ 71.909622] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 71.914599] direct_entry.cold+0x2c/0x38 # [ 71.918614] full_proxy_write+0x56/[ 72.215095] lkdtm: attempting bad refcount_inc_not_zero() from saturated 0x80 # [ 71.922496] vfs_write+0xea/0x3a0 # [ 71.925882] ksys_write+0x68/0xf0 # [ 71.929232] do_syscall_64+0x33/0x40 # [ 71.932858] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 71.937951] RIP: 0033:0x7f99e62928f3 # [ 71.941646] Code: 8[ 72.243985] ------------[ cut here ]------------ b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 71.960426] RSP: 002b:00007fffa3723308 EFLAGS: 00000246 O[ 72.270809] refcount_t: saturated; leaking memory. RIG_RAX: 0000000000000001 # [ 71.968024] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f99e62928f3 # [ 71.975160] RDX: 0000000000000017 RSI: 00007f99e6185000 RDI: 0000000000000001 # [ 71.982296] RBP: 00007f99e6185000 R08: 00007f99e6184010 [ 72.297928] WARNING: CPU: 0 PID: 2457 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 R09: 0000000000000000 # [ 71.989429] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 71.996574] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 72.003710] irq event stamp: 0 # [ 72.006768] hardirqs la[ 72.328391] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_dev cros_usbpd_notify st enabled at (0): [<0000000000000000>] 0x0 # [ 72.013034] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 72.021203] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 72.029392] s[ 72.363033] CPU: 0 PID: 2457 Comm: cat Tainted: G D W 5.10.153-cip19 #1 oftirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 72.035660] ---[ end trace 55216ed5e2971767 ]--- # [ 72.040284] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_SATURATED: saw 'Saturation detected: still saturated': ok ok 54 sel[ 72.392926] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 ftests: lkdtm: REFCOUNT_ADD_SATURATED.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh [ 72.421013] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 72.434717] Code: 01 01 e8 97 6b 98 00 0f 0b e9 85 9c c4 00 80 3d e0 40 94 01 00 75 a8 48 c7 c7 a0 78 b2 ba c6 05 d0 40 94 01 01 e8 74 6b 98 00 <0f> 0b e9 62 9c c4 00 80 3d ba 40 94 01 00 75 85 48 c7 c7 f8 78 b2 [ 72.453505] RSP: 0018:ffff94328410fe38 EFLAGS: 00010282 [ 72.458776] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 72.465954] RDX: ffff8b082ac2c660 RSI: ffff8b082ac1bf70 RDI: ffff8b082ac1bf70 [ 72.473124] RBP: ffffffffbab8bc30 R08: 0000000000000000 R09: 0000000000000000 [ 72.480308] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 72.487492] R13: ffff94328410ff10 R14: ffff94328410ff10 R15: ffff8b08045af000 [ 72.494696] FS: 00007fdb9f3d43c0(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 [ 72.502834] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.508619] CR2: 00007fdb9f1a5000 CR3: 0000000103c3c000 CR4: 00000000001506f0 [ 72.515786] Call Trace: [ 72.518328] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 72.523866] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 [ 72.529748] direct_entry.cold+0x2c/0x38 [ 72.533714] full_proxy_write+0x56/0x80 [ 72.537623] vfs_write+0xea/0x3a0 [ 72.540986] ksys_write+0x68/0xf0 [ 72.544438] do_syscall_64+0x33/0x40 [ 72.548054] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 72.553191] RIP: 0033:0x7fdb9f2b28f3 [ 72.556778] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 72.575518] RSP: 002b:00007fff1a0cc2b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 72.583079] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fdb9f2b28f3 [ 72.590225] RDX: 0000000000000020 RSI: 00007fdb9f1a5000 RDI: 0000000000000001 [ 72.597357] RBP: 00007fdb9f1a5000 R08: 00007fdb9f1a4010 R09: 0000000000000000 [ 72.604485] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 72.611613] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 72.618760] irq event stamp: 0 [ 72.621815] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 72.628080] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 72.636249] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 72.644417] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 72.650698] ---[ end trace 55216ed5e2971768 ]--- [ 72.655323] lkdtm: Saturation detected: still saturated # [ 72.207228] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 72.215095] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 72.243985] ------------[ cut here ]------------ # [ 72.270809] refcount_t: saturated; leaking memory. # [ 72.297928] WARNING: CPU: 0 PID: 2457 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 72.328391] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_dev cros_usbpd_notify # [ 72.363033] CPU: 0 PID: 2457 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 72.392926] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 # [ 72.421013] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 72.434717] Code: 01 01 e8 97 6b 98 00 0f 0b e9 85 9c c4 00 80 3d e0 40 94 01 00 75 a8 48 c7 c7 a0 78 b2 ba c6 05 d0 40 94 01 01 e8 74 6b 98 00 <0f> 0b e9 62 9c c4 00 80 3d ba 40 94 01 00 75 85 48 c7 c7 f8 78 b2 # [ 72.453505] RSP: 0018:ffff94328410fe38 EFLAGS: 00010282 # [ 72.458776] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 72.465954] RDX: ffff8b082ac2c660 RSI: ffff8b082ac1bf70 RDI: ffff8b082ac1bf70 # [ 72.473124] RBP: ffffffffbab8bc30 R08: 0000000000000000 R09: 0000000000000000 # [ 72.480308] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 72.487492] R13: ffff94328410ff10 R14: ffff94328410ff10 R15: ffff8b08045af000 # [ 72.494696] FS: 00007fdb9f3d43c0(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 # [ 72.502834] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 72.508619] CR2: 00007fdb9f1a5000 CR3: 0000000103c3c000 CR4: 00000000001506f0 # [ 72.515786] Call Trace: # [ 72.518328] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 72.52[ 72.825759] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED 3866] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 72.529748] direct_entry.cold+0x2c/0x38 # [ 72.533714] full_proxy_write+0x56/0x80 # [ 72.537623] vfs_write+0xea/0x3a0 # [ 72.540986] ksys_write+0x68/0xf0 # [ 72.544438] do_syscal[ 72.851005] lkdtm: attempting bad refcount_add_not_zero() from saturated l_64+0x33/0x40 # [ 72.548054] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 72.553191] RIP: 0033:0x7fdb9f2b28f3 # [ 72.556778] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 [ 72.879903] ------------[ cut here ]------------ 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 72.575518] RSP: 002b:00007fff1a0cc2b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 72.583079] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fdb9f2b28f3 # [ 72.906677] refcount_t: saturated; leaking memory. [ 72.590225] RDX: 0000000000000020 RSI: 00007fdb9f1a5000 RDI: 0000000000000001 # [ 72.597357] RBP: 00007fdb9f1a5000 R08: 00007fdb9f1a4010 R09: 0000000000000000 # [ 72.604485] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ [ 72.933834] WARNING: CPU: 0 PID: 2489 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 72.611613] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 72.618760] irq event stamp: 0 # [ 72.621815] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 72.628080] hardirqs last disabled at (0): [[ 72.964272] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_dev cros_usbpd_notify ] copy_process+0x640/0x1c80 # [ 72.636249] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 72.644417] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 72.650698] ---[ end trace 55216ed5e2971768 ]--- # [ 72.998919] CPU: 0 PID: 2489 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 72.655323] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_NOT_ZERO_SATURATED: saw 'call trace:': ok ok 55 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh [ 73.028836] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 [ 73.055007] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 73.060242] Code: 01 01 e8 97 6b 98 00 0f 0b e9 85 9c c4 00 80 3d e0 40 94 01 00 75 a8 48 c7 c7 a0 78 b2 ba c6 05 d0 40 94 01 01 e8 74 6b 98 00 <0f> 0b e9 62 9c c4 00 80 3d ba 40 94 01 00 75 85 48 c7 c7 f8 78 b2 [ 73.079017] RSP: 0018:ffff94328417fe38 EFLAGS: 00010282 [ 73.084254] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 73.091430] RDX: ffff8b082ac2c660 RSI: ffff8b082ac1bf70 RDI: ffff8b082ac1bf70 [ 73.098573] RBP: ffffffffbab8bc50 R08: 0000000000000000 R09: 0000000000000000 [ 73.105746] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 73.112891] R13: ffff94328417ff10 R14: ffff94328417ff10 R15: ffff8b0804dd6000 [ 73.120105] FS: 00007f773facc3c0(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 [ 73.128231] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.134029] CR2: 00007f773f89d000 CR3: 00000001045ae000 CR4: 00000000001506f0 [ 73.141248] Call Trace: [ 73.143823] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 73.149349] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 [ 73.155100] direct_entry.cold+0x2c/0x38 [ 73.159077] full_proxy_write+0x56/0x80 [ 73.162974] vfs_write+0xea/0x3a0 [ 73.166371] ksys_write+0x68/0xf0 [ 73.169788] do_syscall_64+0x33/0x40 [ 73.173417] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 73.178532] RIP: 0033:0x7f773f9aa8f3 [ 73.182124] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 73.200872] RSP: 002b:00007ffe2a3bcf58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 73.208450] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f773f9aa8f3 [ 73.215587] RDX: 0000000000000020 RSI: 00007f773f89d000 RDI: 0000000000000001 [ 73.222715] RBP: 00007f773f89d000 R08: 00007f773f89c010 R09: 0000000000000000 [ 73.229844] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 73.236972] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 73.244115] irq event stamp: 0 [ 73.247170] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 73.253435] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 73.261603] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 73.269771] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 73.276055] ---[ end trace 55216ed5e2971769 ]--- [ 73.280675] lkdtm: Saturation detected: still saturated # [ 72.825759] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 72.851005] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 72.879903] ------------[ cut here ]------------ # [ 72.906677] refcount_t: saturated; leaking memory. # [ 72.933834] WARNING: CPU: 0 PID: 2489 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 72.964272] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_dev cros_usbpd_notify # [ 72.998919] CPU: 0 PID: 2489 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 73.028836] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 # [ 73.055007] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 73.060242] Code: 01 01 e8 97 6b 98 00 0f 0b e9 85 9c c4 00 80 3d e0 40 94 01 00 75 a8 48 c7 c7 a0 78 b2 ba c6 05 d0 40 94 01 01 e8 74 6b 98 00 <0f> 0b e9 62 9c c4 00 80 3d ba 40 94 01 00 75 85 48 c7 c7 f8 78 b2 # [ 73.079017] RSP: 0018:ffff94328417fe38 EFLAGS: 00010282 # [ 73.084254] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 73.091430] RDX: ffff8b082ac2c660 RSI: ffff8b082ac1bf70 RDI: ffff8b082ac1bf70 # [ 73.098573] RBP: ffffffffbab8bc50 R08: 0000000000000000 R09: 0000000000000000 # [ 73.105746] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 73.112891] R13: ffff94328417ff10 R14: ffff94328417ff10 R15: ffff8b0804dd6000 # [ 73.120105] FS: 00007f773facc3c0(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 # [ 73.128231] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 73.134029] CR2: 00007f773f89d000 CR3: 00000001045ae000 CR4: 00000000001506f0 # [ 73.141248] Call Trace: # [ 73.143823] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 73.149349] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ [ 73.450415] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED 73.155100] direct_entry.cold+0x2c/0x38 # [ 73.159077] full_proxy_write+0x56/0x80 # [ 73.162974] vfs_write+0xea/0x3a0 # [ 73.166371] ksys_write+0x68/0xf0 # [ 73.169788] do_syscall_64+0x33/0x40 # [ 73.173417] entry_SYSCALL_64_after_hwfra[ 73.478421] lkdtm: attempting bad refcount_dec_and_test() from saturated me+0x61/0xc6 # [ 73.178532] RIP: 0033:0x7f773f9aa8f3 # [ 73.182124] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec [ 73.507303] ------------[ cut here ]------------ 28 48 89 54 24 18 # [ 73.200872] RSP: 002b:00007ffe2a3bcf58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 73.208450] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f773f9aa8f3 # [ 73.215587] RDX: 0000000000000020 RSI: 00007f773f89d000 RDI[ 73.534136] refcount_t: underflow; use-after-free. : 0000000000000001 # [ 73.222715] RBP: 00007f773f89d000 R08: 00007f773f89c010 R09: 0000000000000000 # [ 73.229844] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 73.236972] R13: 0000000000000001 R14: 0000000000020000 R15: 00[ 73.561138] WARNING: CPU: 0 PID: 2524 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 00000000020000 # [ 73.244115] irq event stamp: 0 # [ 73.247170] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 73.253435] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 73.261603] softirqs last e[ 73.591787] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_dev cros_usbpd_notify nabled at (0): [] copy_process+0x640/0x1c80 # [ 73.269771] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 73.276055] ---[ end trace 55216ed5e2971769 ]--- # [ 73.280675] lkdtm: Saturation detected: still saturated # [ 73.626345] CPU: 0 PID: 2524 Comm: cat Tainted: G D W 5.10.153-cip19 #1 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 [ 73.656225] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 [ 73.677061] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 73.682324] Code: 01 01 e8 74 6b 98 00 0f 0b e9 62 9c c4 00 80 3d ba 40 94 01 00 75 85 48 c7 c7 f8 78 b2 ba c6 05 aa 40 94 01 01 e8 51 6b 98 00 <0f> 0b e9 3f 9c c4 00 80 3d 95 40 94 01 00 0f 85 5e ff ff ff 48 c7 [ 73.701096] RSP: 0018:ffff9432841ffe40 EFLAGS: 00010286 [ 73.706364] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 [ 73.713534] RDX: ffff8b082ac2c660 RSI: ffff8b082ac1bf70 RDI: ffff8b082ac1bf70 [ 73.720703] RBP: ffffffffbab8bc70 R08: 0000000000000000 R09: 0000000000000000 [ 73.727891] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 73.735133] R13: ffff9432841fff10 R14: ffff9432841fff10 R15: ffff8b0805852000 [ 73.742309] FS: 00007fe961adf580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 [ 73.750448] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.756229] CR2: 00007fe9618ad000 CR3: 0000000102654000 CR4: 00000000001506f0 [ 73.763437] Call Trace: [ 73.765961] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 73.771551] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 [ 73.777265] direct_entry.cold+0x2c/0x38 [ 73.781306] full_proxy_write+0x56/0x80 [ 73.785231] vfs_write+0xea/0x3a0 [ 73.788595] ksys_write+0x68/0xf0 [ 73.792028] do_syscall_64+0x33/0x40 [ 73.795660] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 73.800812] RIP: 0033:0x7fe9619ba8f3 [ 73.804448] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 73.823208] RSP: 002b:00007ffcd0820208 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 73.830770] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fe9619ba8f3 [ 73.837922] RDX: 0000000000000020 RSI: 00007fe9618ad000 RDI: 0000000000000001 [ 73.845057] RBP: 00007fe9618ad000 R08: 00007fe9618ac010 R09: 0000000000000000 [ 73.852182] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 73.859307] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 73.866455] irq event stamp: 0 [ 73.869515] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 73.875779] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 73.883948] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 73.892117] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 73.898390] ---[ end trace 55216ed5e297176a ]--- [ 73.903006] lkdtm: Saturation detected: still saturated # [ 73.450415] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 73.478421] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 73.507303] ------------[ cut here ]------------ # [ 73.534136] refcount_t: underflow; use-after-free. # [ 73.561138] WARNING: CPU: 0 PID: 2524 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 73.591787] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_dev cros_usbpd_notify # [ 73.626345] CPU: 0 PID: 2524 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 73.656225] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 # [ 73.677061] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 73.682324] Code: 01 01 e8 74 6b 98 00 0f 0b e9 62 9c c4 00 80 3d ba 40 94 01 00 75 85 48 c7 c7 f8 78 b2 ba c6 05 aa 40 94 01 01 e8 51 6b 98 00 <0f> 0b e9 3f 9c c4 00 80 3d 95 40 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 73.701096] RSP: 0018:ffff9432841ffe40 EFLAGS: 00010286 # [ 73.706364] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 73.713534] RDX: ffff8b082ac2c660 RSI: ffff8b082ac1bf70 RDI: ffff8b082ac1bf70 # [ 73.720703] RBP: ffffffffbab8bc70 R08: 0000000000000000 R09: 0000000000000000 # [ 73.727891] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 73.735133] R13: ffff9432841fff10 R14: ffff9432841fff10 R15: ffff8b0805852000 # [ 73.742309] FS: 00007fe961adf580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 # [ 73.750448] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050[ 74.071800] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED 033 # [ 73.756229] CR2: 00007fe9618ad000 CR3: 0000000102654000 CR4: 00000000001506f0 # [ 73.763437] Call Trace: # [ 73.765961] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 73.771551] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ [ 74.080751] lkdtm: attempting bad refcount_sub_and_test() from saturated 73.777265] direct_entry.cold+0x2c/0x38 # [ 73.781306] full_proxy_write+0x56/0x80 # [ 73.785231] vfs_write+0xea/0x3a0 # [ 73.788595] ksys_write+0x68/0xf0 # [ 73.792028] do_syscall_64+0x33/0x40 # [ 73.795660] entry_SYSCALL_64_after_hwfr[ 74.109640] ------------[ cut here ]------------ ame+0x61/0xc6 # [ 73.800812] RIP: 0033:0x7fe9619ba8f3 # [ 73.804448] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec[ 74.136465] refcount_t: underflow; use-after-free. 28 48 89 54 24 18 # [ 73.823208] RSP: 002b:00007ffcd0820208 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 73.830770] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fe9619ba8f3 # [ 73.837922] RDX: 0000000000000020 RSI: 00007fe9618ad000 RD[ 74.163443] WARNING: CPU: 0 PID: 2559 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 I: 0000000000000001 # [ 73.845057] RBP: 00007fe9618ad000 R08: 00007fe9618ac010 R09: 0000000000000000 # [ 73.852182] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 73.859307] R13: 0000000000000001 R14: 0000000000020000 R15: 0[ 74.194137] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_dev cros_usbpd_notify 000000000020000 # [ 73.866455] irq event stamp: 0 # [ 73.869515] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 73.875779] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 73.883948] softirqs last [ 74.228646] CPU: 0 PID: 2559 Comm: cat Tainted: G D W 5.10.153-cip19 #1 enabled at (0): [] copy_process+0x640/0x1c80 # [ 73.892117] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 73.898390] ---[ end trace 55216ed5e297176a ]--- # [ 73.903006] lkdtm: Saturation detected: still saturated #[ 74.258592] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 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 [ 74.286663] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 74.309066] Code: 01 01 e8 74 6b 98 00 0f 0b e9 62 9c c4 00 80 3d ba 40 94 01 00 75 85 48 c7 c7 f8 78 b2 ba c6 05 aa 40 94 01 01 e8 51 6b 98 00 <0f> 0b e9 3f 9c c4 00 80 3d 95 40 94 01 00 0f 85 5e ff ff ff 48 c7 [ 74.327854] RSP: 0018:ffff943284267e40 EFLAGS: 00010286 [ 74.333122] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 [ 74.340299] RDX: ffff8b082ac2c660 RSI: ffff8b082ac1bf70 RDI: ffff8b082ac1bf70 [ 74.347467] RBP: ffffffffbab8bc90 R08: 0000000000000000 R09: 0000000000000000 [ 74.354640] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 74.361822] R13: ffff943284267f10 R14: ffff943284267f10 R15: ffff8b0803ff8000 [ 74.369025] FS: 00007fee78e85580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 [ 74.377175] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.382982] CR2: 00007fee78c55000 CR3: 0000000102654000 CR4: 00000000001506f0 [ 74.390199] Call Trace: [ 74.392736] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 74.398341] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 [ 74.404067] direct_entry.cold+0x2c/0x38 [ 74.408048] full_proxy_write+0x56/0x80 [ 74.411999] vfs_write+0xea/0x3a0 [ 74.415386] ksys_write+0x68/0xf0 [ 74.418760] do_syscall_64+0x33/0x40 [ 74.422490] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 74.427617] RIP: 0033:0x7fee78d628f3 [ 74.431232] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 74.450018] RSP: 002b:00007fff18a1c148 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 74.457590] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fee78d628f3 [ 74.464727] RDX: 0000000000000020 RSI: 00007fee78c55000 RDI: 0000000000000001 [ 74.471860] RBP: 00007fee78c55000 R08: 00007fee78c54010 R09: 0000000000000000 [ 74.478990] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 74.486118] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 74.493264] irq event stamp: 0 [ 74.496320] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 74.502585] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 74.510754] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 74.518922] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 74.525233] ---[ end trace 55216ed5e297176b ]--- [ 74.529948] lkdtm: Saturation detected: still saturated # [ 74.071800] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 74.080751] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 74.109640] ------------[ cut here ]------------ # [ 74.136465] refcount_t: underflow; use-after-free. # [ 74.163443] WARNING: CPU: 0 PID: 2559 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 74.194137] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_dev cros_usbpd_notify # [ 74.228646] CPU: 0 PID: 2559 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 74.258592] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 # [ 74.286663] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 74.309066] Code: 01 01 e8 74 6b 98 00 0f 0b e9 62 9c c4 00 80 3d ba 40 94 01 00 75 85 48 c7 c7 f8 78 b2 ba c6 05 aa 40 94 01 01 e8 51 6b 98 00 <0f> 0b e9 3f 9c c4 00 80 3d 95 40 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 74.327854] RSP: 0018:ffff943284267e40 EFLAGS: 00010286 # [ 74.333122] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 74.340299] RDX: ffff8b082ac2c660 RSI: ffff8b082ac1bf70 RDI: ffff8b082ac1bf70 # [ 74.347467] RBP: ffffffffbab8bc90 R08: 0000000000000000 R09: 0000000000000000 # [ 74.354640] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 74.361822] R13: ffff943284267f10 R14: ffff943284267f10 R15: ffff8b0803ff8000 # [ 74.369025] FS: 00007fee78e85580(0000) GS:ffff8b082ac00000(0000) knlGS:0000000000000000 # [ 74.377175] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 74.382982] CR2: 00007fee78c55000 CR3: 0000000102654000 CR4: 00000000001506f0 # [ 74.390199] Call Trace: # [ 74.392736] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 74.398341] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 74.404067] direct_entry.cold+0x2c/0x38 # [ 74.408048] full_proxy_write+0x56/0x80 # [ 74.411999] vfs_write+0xea/0x3a0 # [ 74.415386] ksys_write+0x68/0xf0 # [ 74.418760] do_syscall_64+0x33/0x40 # [ 74.422490] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 74.427617] RIP: 0033:0x7fee78d628f3 # [ 74.431232] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 74.450018] RSP: 002b:00007fff18a1c148 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 74.457590] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fee78d628f3 # [ 74.464727] RDX: 0000000000000020 RSI: 00007fee78c55000 RDI: 0000000000000001 # [ 74.471860] RBP: 00007fee78c55000 R08: 00007fee78c54010 R09: 0000000000000000 # [ 74.478990] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 74.486118] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 74.493264] irq event stamp: 0 # [ 74.496320] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 74.502585] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 74.510754] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 74.518922] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 74.525233] ---[ end trace 55216ed5e297176b ]--- # [ 74.859453] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO [ 74.529948] 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 RE[ 74.884390] lkdtm: attempting good copy_to_user of correct size FCOUNT_TIMING: timing only ok 59 selftests: lkdtm: REFCOUNT_TIMING.sh # SKIP # selftests: lkdtm: ATOMIC_TIMING.sh # Skipping ATOMIC_TIMING: timing only ok 60 selftests: lkdtm: ATOMIC_TIMING.sh # SKIP # selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh [ 74.912522] lkdtm: attempting bad copy_to_user of too large size # [ 74.859453] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 74.884390] lkdtm: attempting good copy_to_user of correct size # [ 74.912522] 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 [ 75.110770] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM [ 75.116957] lkdtm: attempting good copy_from_user of correct size [ 75.123078] lkdtm: attempting bad copy_from_user of too large size # [ 75.110770] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 75.116957] lkdtm: attempting good copy_from_user of correct size # [ 75.123078] lkdtm: attempting bad copy_from_user of too large size # USERCOPY_HEAP_SIZE_FROM: missing 'call trace:': [FAIL] not ok 62 selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh [ 75.292931] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO [ 75.299387] lkdtm: attempting good copy_to_user inside whitelist [ 75.305427] lkdtm: attempting bad copy_to_user outside whitelist # [ 75.292931] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 75.299387] lkdtm: attempting good copy_to_user inside whitelist # [ 75.305427] lkdtm: attempting bad copy_to_user outside whitelist # USERCOPY_HEAP_WHITELIST_TO: missing 'call trace:': [FAIL] not ok 63 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh [ 75.482620] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM [ 75.489256] lkdtm: attempting good copy_from_user inside whitelist [ 75.495463] lkdtm: attempting bad copy_from_user outside whitelist # [ 75.482620] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 75.489256] lkdtm: attempting good copy_from_user inside whitelist # [ 75.495463] lkdtm: attempting bad copy_from_user outside whitelist # USERCOPY_HEAP_WHITELIST_FROM: missing 'call trace:': [FAIL] not ok 64 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh [ 75.664818] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO [ 75.671006] lkdtm: good_stack: ffff94328458fe20-ffff94328458fe40 [ 75.677056] lkdtm: bad_stack : ffff94328458fda8-ffff94328458fdc8 [ 75.683074] lkdtm: attempting good copy_to_user of local stack [ 75.688917] lkdtm: attempting bad copy_to_user of distant stack # [ 75.664818] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 75.671006] lkdtm: good_stack: ffff94328458fe20-ffff94328458fe40 # [ 75.677056] lkdtm: bad_stack : ffff94328458fda8-ffff94328458fdc8 # [ 75.683074] lkdtm: attempting good copy_to_user of local stack # [ 75.688917] 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 [ 75.861448] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM [ 75.867825] lkdtm: good_stack: ffff94328460fe20-ffff94328460fe40 [ 75.873860] lkdtm: bad_stack : ffff94328460fda8-ffff94328460fdc8 [ 75.879984] lkdtm: attempting good copy_from_user of local stack [ 75.886134] lkdtm: attempting bad copy_from_user of distant stack # [ 75.861448] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 75.867825] lkdtm: good_stack: ffff94328460fe20-ffff94328460fe40 # [ 75.873860] lkdtm: bad_stack : ffff94328460fda8-ffff94328460fdc8 # [ 75.879984] lkdtm: attempting good copy_from_user of local stack # [ 75.886134] lkdtm: attempting bad copy_from_user of distant stack # USERCOPY_STACK_FRAME_FROM: missing 'call trace:': [FAIL] not ok 66 selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_BEYOND.sh [ 76.057436] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND [ 76.063457] lkdtm: good_stack: ffff94328467fe20-ffff94328467fe40 [ 76.069495] lkdtm: bad_stack : ffff94328467fff8-ffff943284680018 [ 76.075514] lkdtm: attempting good copy_to_user of local stack [ 76.081351] lkdtm: attempting bad copy_to_user of distant stack [ 76.087274] lkdtm: copy_to_user failed, but lacked Oops # [ 76.057436] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 76.063457] lkdtm: good_stack: ffff94328467fe20-ffff94328467fe40 # [ 76.069495] lkdtm: bad_stack : ffff94328467fff8-ffff943284680018 # [ 76.075514] lkdtm: attempting good copy_to_user of local stack # [ 76.081351] lkdtm: attempting bad copy_to_user of distant stack # [ 76.087274] lkdtm: copy_to_user failed, but lacked Oops # USERCOPY_STACK_BEYOND: missing 'call trace:': [FAIL] not ok 67 selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # exit=1 # selftests: lkdtm: USERCOPY_KERNEL.sh [ 76.255655] lkdtm: Performing direct entry USERCOPY_KERNEL [ 76.261153] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffba79c210 [ 76.268936] lkdtm: attempting bad copy_to_user from kernel text: ffffffffb94e31f0 [ 76.276441] lkdtm: FAIL: survived bad copy_to_user() # [ 76.255655] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 76.261153] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffba79c210 # [ 76.268936] lkdtm: attempting bad copy_to_user from kernel text: ffffffffb94e31f0 # [ 76.276441] 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 [ 76.464108] lkdtm: Performing direct entry STACKLEAK_ERASING [ 76.469769] lkdtm: checking unused part of the thread stack (15928 bytes)... [ 76.476864] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) [ 76.483823] lkdtm: FAIL: the thread stack is NOT properly erased [ 76.489827] CPU: 0 PID: 2924 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 76.497555] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 [ 76.503463] Call Trace: [ 76.505914] dump_stack+0x77/0x9b [ 76.509227] lkdtm_STACKLEAK_ERASING+0x116/0x144 [ 76.513837] direct_entry.cold+0x2c/0x38 [ 76.517755] full_proxy_write+0x56/0x80 [ 76.521587] vfs_write+0xea/0x3a0 [ 76.524896] ksys_write+0x68/0xf0 [ 76.528207] do_syscall_64+0x33/0x40 [ 76.531778] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 76.536823] RIP: 0033:0x7f29e1bba8f3 [ 76.540393] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 76.559129] RSP: 002b:00007ffd59299018 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 76.566686] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f29e1bba8f3 [ 76.573807] RDX: 0000000000000012 RSI: 00007f29e1aad000 RDI: 0000000000000001 [ 76.580930] RBP: 00007f29e1aad000 R08: 00007f29e1aac010 R09: 0000000000000000 [ 76.588051] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 76.595173] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 76.464108] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 76.469769] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 76.476864] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 76.483823] lkdtm: FAIL: the thread stack is NOT properly erased # [ 76.489827] CPU: 0 PID: 2924 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 76.497555] Hardware name: Google Grunt/Grunt, BIOS 09/05/2019 # [ 76.503463] Call Trace: # [ 76.505914] dump_stack+0x77/0x9b # [ 76.509227] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 76.513837] direct_entry.cold+0x2c/0x38 # [ 76.517755] full_proxy_write+0x56/0x80 # [ 76.521587] vfs_write+0xea/0x3a0 # [ 76.524896] ksys_write+0x68/0xf0 # [ 76.528207] do_syscall_64+0x33/0x40 # [ 76.531778] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 76.536823] RIP: 0033:0x7f29e1bba8f3 # [ 76.540393] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 76.559129] RSP: 002b:00007ffd59299018 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 76.566686] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f29e1bba8f3 # [ 76.573807] RDX: 0000000000000012 RSI: 00007f29e1aad000 RDI: 0000000000000001 # [ 76.580930] RBP: 00007f29e1aad000 R08: 00007f29e1aac010 R09: 0000000000000000 # [ 76.588051] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 000[ 76.783651] lkdtm: Performing direct entry CFI_FORWARD_PROTO 0000000000001 # [ 76.595173] 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 # self[ 76.793586] lkdtm: Calling matched prototype ... tests: lkdtm: CFI_FORWARD_PROTO.sh [ 76.820363] lkdtm: Calling mismatched prototype ... [ 76.828380] lkdtm: Fail: survived mismatched prototype function call! # [ 76.783651] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 76.793586] lkdtm: Calling matched prototype ... # [ 76.820363] lkdtm: Calling mismatched prototype ... # [ 76.828380] 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 / #