[Enter `^Ec?' for help] coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_A:0.0.10/29d77172 RW_B:0.3.15/cr50_v1.9308_87_mp.224-6339b6f Initialized TPM device CR50 revision 0 tlcl_send_startup: Startup return code is 0 TPM: setup succeeded src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0 Chrome EC: UHEPI supported Phase 1 FMAP: Found \"FLASH\" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x0 / 0x0 Phase 2 Phase 3 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_report_dev_firmware() This is developer signed firmware FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) VB2:vb2_verify_keyblock() Checking key block signature... FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) VB2:vb2_verify_fw_preamble() Verifying preamble. Phase 4 FMAP: area FW_MAIN_B found @ 5f8000 (4030400 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! full_reset() called! coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_A:0.0.10/29d77172 RW_B:0.3.15/cr50_v1.9308_87_mp.224-6339b6f Initialized TPM device CR50 revision 0 tlcl_send_startup: Startup return code is 0 TPM: setup succeeded src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0 Chrome EC: UHEPI supported Phase 1 FMAP: Found \"FLASH\" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area GBB found @ c11000 (978944 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 [d00000:ffffc0) CBFS: Locating 'fallback/romstage' CBFS: Found @ offset 80 size 10ffc coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 romstage starting... pm1_sts: 0100 pm1_en: 0000 pm1_cnt: 00001c00 gpe0_sts[0]: 00000000 gpe0_en[0]: 00000000 gpe0_sts[1]: 00000000 gpe0_en[1]: 00000000 gpe0_sts[2]: 00000001 gpe0_en[2]: 00000000 gpe0_sts[3]: 00000000 gpe0_en[3]: 00010000 TCO_STS: 0000 0000 GEN_PMCON: e0040200 0000523a GBLRST_CAUSE: 00000000 00000000 prev_sleep_state 5 Boot Count incremented to 20910 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fspm.bin' CBFS: Found @ offset 103fc0 size 63000 Chrome EC: UHEPI supported FMAP: Found \"FLASH\" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RECOVERY_MRC_CACHE found @ 9d0000 (65536 bytes) Probing TPM: done! Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_A:0.0.10/29d77172 RW_B:0.3.15/cr50_v1.9308_87_mp.224-6339b6f Initialized TPM device CR50 revision 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: Hash comparison successful. Using data from RECOVERY_MRC_CACHE MRC cache found, size 1868 bootmode is set to :2 SPD index 1 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'spd.bin' CBFS: Found @ offset 1a0240 size 800 SPD: module type is LPDDR3 SPD: module part is K4E8E324EB-EGCF SPD: banks 8, ranks 1, rows 15, columns 10, density 8192 Mb SPD: device width 32 bits, bus width 64 bits SPD: module size is 2048 MB (per channel) CBMEM: IMD: root @ 7afff000 254 entries. IMD: root @ 7affec00 62 entries. External stage cache: IMD: root @ 7b3ff000 254 entries. IMD: root @ 7b3fec00 62 entries. creating vboot_handoff structure Chrome EC: clear events_b mask to 0x0000000021004000 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 tlcl_write: response is 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: TPM MRC hash updated successfully. 2 DIMMs found top_of_ram = 0x7b000000 MTRR Range: Start=7a000000 End=7b000000 (Size 1000000) MTRR Range: Start=7b000000 End=7b800000 (Size 800000) MTRR Range: Start=ff000000 End=0 (Size 1000000) CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/postcar' CBFS: Found @ offset 197000 size 3f04 Decompressing stage fallback/postcar @ 0x7abd0fc0 (32720 bytes) Loading module at 7abd1000 with entry 7abd1000. filesize: 0x3cd0 memsize: 0x7f90 Processing 118 relocs. Offset value of 0x78bd1000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 postcar starting... CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/ramstage' CBFS: Found @ offset e8d80 size 1a462 Decompressing stage fallback/ramstage @ 0x7ab05fc0 (826808 bytes) Loading module at 7ab06000 with entry 7ab06000. filesize: 0x38d90 memsize: 0xc9d78 Processing 3657 relocs. Offset value of 0x79d06000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 ramstage starting... FMAP: Found \"FLASH\" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RO_VPD found @ c00000 (16384 bytes) WARNING: RO_VPD is uninitialized or empty. FMAP: area RW_VPD found @ 9f8000 (8192 bytes) WARNING: RW_VPD is uninitialized or empty. Normal boot. BS: BS_PRE_DEVICE times (us): entry 0 run 30 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'cpu_microcode_blob.bin' CBFS: Found @ offset 11100 size d7c00 microcode: sig=0x806e9 pf=0x10 revision=0x97 Skip microcode update CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fsps.bin' CBFS: Found @ offset 167fc0 size 2f000 Detected 2 core, 4 thread CPU. Setting up SMI for CPU IED base = 0x7b400000 IED size = 0x00400000 Will perform SMM setup. CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz. Loading module at 00030000 with entry 00030000. filesize: 0x170 memsize: 0x170 Processing 16 relocs. Offset value of 0x00030000 Attempting to start 3 APs Waiting for 10ms after sending INIT. Waiting for 1st SIPI to complete...done. AP: slot 2 apic_id 2. AP: slot 3 apic_id 3. Waiting for 2nd SIPI to complete...done. AP: slot 1 apic_id 1. 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 7ab21603(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010a19. filesize: 0x3b08 memsize: 0x8bc0 Processing 243 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd SMM Module: stub loaded at 7b008000. Will call 7b010a19(00000000) Clearing SMI status registers SMI_STS: PM1 PM1_STS: PWRBTN TCO_STS: BOOT SECOND_TO New SMBASE 0x7b000000 In relocation handler: CPU 0 New SMBASE=0x7b000000 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afffc00 In relocation handler: CPU 1 New SMBASE=0x7afffc00 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff800 In relocation handler: CPU 2 New SMBASE=0x7afff800 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff400 In relocation handler: CPU 3 New SMBASE=0x7afff400 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. Initializing CPU #0 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC... apic_id: 0x00 done. Turbo is available but hidden Turbo has been enabled SGX : param.enable = 0 Skip microcode update CPU #0 initialized Initializing CPU #1 Initializing CPU #2 Initializing CPU #3 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...Setting up local APIC... apic_id: 0x02 done. apic_id: 0x03 done. Skip microcode update Skip microcode update CPU #2 initialized CPU #3 initialized apic_id: 0x01 done. Skip microcode update CPU #1 initialized bsp_do_flight_plan done after 228 msecs. CPU: frequency set to 3400 MHz Enabling SMIs. Locking SMM. VMX : param.enable = 1 VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked VMX status: enabled, unlocked SGX: pre-conditions not met SGX: pre-conditions not met CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'vbt.bin' CBFS: Found @ offset 103a00 size 48e Found a VBT of 4608 bytes after decompression psys_pmax = 360 FMAP: area GBB found @ c11000 (978944 bytes) ITSS IRQ Polarities Before: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 ITSS IRQ Polarities After: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 Override DT after FSP-S, PCH is KBL/SKL PCH-LP SKU BS: BS_DEV_INIT_CHIPS times (us): entry 376061 run 171270 exit 0 Enumerating buses... Show all devs... Before device enumeration. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 00:5c: enabled 1 I2C: 00:15: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 02: enabled 1 APIC: 03: enabled 1 Compare with tree... Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 APIC: 00: enabled 1 APIC: 01: enabled 1 APIC: 02: enabled 1 APIC: 03: enabled 1 DOMAIN: 0000: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 USB0 port 0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 I2C: 00:5c: enabled 1 PCI: 00:15.1: enabled 1 I2C: 00:15: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 SPI: 00: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PNP: 0c09.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 Root Device scanning... root_dev_scan_bus for Root Device CPU_CLUSTER: 0 enabled DOMAIN: 0000 enabled DOMAIN: 0000 scanning... PCI: pci_scan_bus for bus 00 PCI: 00:00.0 [8086/0000] ops PCI: 00:00.0 [8086/590c] enabled PCI: 00:02.0 [8086/0000] ops PCI: 00:02.0 [8086/591c] enabled PCI: 00:04.0 [8086/1903] enabled PCI: 00:08.0 [8086/1911] enabled PCI: 00:14.0 [8086/0000] bus ops PCI: 00:14.0 [8086/9d2f] enabled PCI: 00:14.2 [8086/9d31] enabled PCI: 00:15.0 [8086/0000] bus ops PCI: 00:15.0 [8086/9d60] enabled PCI: 00:15.1 [8086/0000] bus ops PCI: 00:15.1 [8086/9d61] enabled PCI: 00:16.0 [8086/0000] ops PCI: 00:16.0 [8086/9d3a] enabled PCI: 00:19.0 [8086/0000] ops PCI: 00:19.0 [8086/9d66] enabled PCI: 00:19.1 [8086/0000] bus ops PCI: 00:19.1 [8086/9d65] enabled PCI: 00:1c.0 [8086/0000] bus ops PCI: 00:1c.0 [8086/9d10] enabled PCI: 00:1e.0 [8086/0000] ops PCI: 00:1e.0 [8086/9d27] enabled PCI: 00:1e.2 [8086/0000] bus ops PCI: 00:1e.2 [8086/9d29] enabled PCI: 00:1e.4 [8086/9d2b] enabled PCI: 00:1e.6 [8086/0000] ops PCI: 00:1e.6 [8086/9d2d] enabled PCI: 00:1f.0 [8086/0000] bus ops PCI: 00:1f.0 [8086/9d4b] enabled PCI: Static device PCI: 00:1f.1 not found, disabling it. PCI: 00:1f.2 [8086/0000] bus ops PCI: 00:1f.2 [8086/9d21] enabled PCI: 00:1f.3 [8086/0000] bus ops PCI: 00:1f.3 [8086/9d71] enabled PCI: 00:1f.4 [8086/0000] bus ops PCI: 00:1f.4 [8086/9d23] enabled PCI: 00:1f.5 [8086/0000] bus ops PCI: 00:1f.5 [8086/9d24] enabled PCI: 00:14.0 scanning... scan_usb_bus for PCI: 00:14.0 USB0 port 0 enabled USB0 port 0 scanning... scan_usb_bus for USB0 port 0 USB2 port 0 enabled USB2 port 1 enabled USB2 port 2 enabled USB2 port 4 enabled USB2 port 8 enabled USB2 port 0 scanning... scan_usb_bus for USB2 port 0 scan_usb_bus for USB2 port 0 done scan_bus: scanning of bus USB2 port 0 took 8970 usecs USB2 port 1 scanning... scan_usb_bus for USB2 port 1 scan_usb_bus for USB2 port 1 done scan_bus: scanning of bus USB2 port 1 took 8972 usecs USB2 port 2 scanning... scan_usb_bus for USB2 port 2 scan_usb_bus for USB2 port 2 done scan_bus: scanning of bus USB2 port 2 took 8973 usecs USB2 port 4 scanning... scan_usb_bus for USB2 port 4 scan_usb_bus for USB2 port 4 done scan_bus: scanning of bus USB2 port 4 took 8972 usecs USB2 port 8 scanning... scan_usb_bus for USB2 port 8 scan_usb_bus for USB2 port 8 done scan_bus: scanning of bus USB2 port 8 took 8973 usecs scan_usb_bus for USB0 port 0 done scan_bus: scanning of bus USB0 port 0 took 90943 usecs scan_usb_bus for PCI: 00:14.0 done scan_bus: scanning of bus PCI: 00:14.0 took 107730 usecs PCI: 00:15.0 scanning... scan_generic_bus for PCI: 00:15.0 bus: PCI: 00:15.0[0]->I2C: 01:5c enabled scan_generic_bus for PCI: 00:15.0 done scan_bus: scanning of bus PCI: 00:15.0 took 14147 usecs PCI: 00:15.1 scanning... scan_generic_bus for PCI: 00:15.1 bus: PCI: 00:15.1[0]->I2C: 02:15 enabled scan_generic_bus for PCI: 00:15.1 done scan_bus: scanning of bus PCI: 00:15.1 took 14155 usecs PCI: 00:19.1 scanning... scan_generic_bus for PCI: 00:19.1 bus: PCI: 00:19.1[0]->I2C: 03:39 enabled bus: PCI: 00:19.1[0]->I2C: 03:3a enabled bus: PCI: 00:19.1[0]->I2C: 03:1a enabled scan_generic_bus for PCI: 00:19.1 done scan_bus: scanning of bus PCI: 00:19.1 took 22371 usecs PCI: 00:1c.0 scanning... do_pci_scan_bridge for PCI: 00:1c.0 PCI: pci_scan_bus for bus 01 PCI: 01:00.0 [8086/095a] enabled Capability: type 0x01 @ 0xc8 Capability: type 0x05 @ 0xd0 Capability: type 0x10 @ 0x40 Capability: type 0x10 @ 0x40 Enabling Common Clock Configuration L1 Sub-State supported from root port 28 L1 Sub-State Support = 0xf CommonModeRestoreTime = 0x28 Power On Value = 0x1e, Power On Scale = 0x0 ASPM: Enabled L1 Capability: type 0x01 @ 0xc8 Capability: type 0x05 @ 0xd0 Capability: type 0x10 @ 0x40 scan_bus: scanning of bus PCI: 00:1c.0 took 53521 usecs PCI: 00:1e.2 scanning... scan_generic_bus for PCI: 00:1e.2 bus: PCI: 00:1e.2[0]->SPI: 00 enabled scan_generic_bus for PCI: 00:1e.2 done scan_bus: scanning of bus PCI: 00:1e.2 took 13863 usecs PCI: 00:1f.0 scanning... scan_lpc_bus for PCI: 00:1f.0 PNP: 0c09.0 enabled scan_lpc_bus for PCI: 00:1f.0 done scan_bus: scanning of bus PCI: 00:1f.0 took 11320 usecs PCI: 00:1f.2 scanning... scan_lpc_bus for PCI: 00:1f.2 scan_lpc_bus for PCI: 00:1f.2 done scan_bus: scanning of bus PCI: 00:1f.2 took 9257 usecs PCI: 00:1f.3 scanning... scan_bus: scanning of bus PCI: 00:1f.3 took 2717 usecs PCI: 00:1f.4 scanning... scan_generic_bus for PCI: 00:1f.4 scan_generic_bus for PCI: 00:1f.4 done scan_bus: scanning of bus PCI: 00:1f.4 took 10048 usecs PCI: 00:1f.5 scanning... scan_generic_bus for PCI: 00:1f.5 scan_generic_bus for PCI: 00:1f.5 done scan_bus: scanning of bus PCI: 00:1f.5 took 10047 usecs scan_bus: scanning of bus DOMAIN: 0000 took 466004 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 486104 usecs done Chrome EC: UHEPI supported FMAP: area RECOVERY_MRC_CACHE found @ 9d0000 (65536 bytes) MRC: Checking cached data update for 'RECOVERY_MRC_CACHE'. SF: Detected FAST_SPI Hardware Sequencer with sector size 0x1000, total 0x1000000 FMAP: area UNIFIED_MRC_CACHE found @ 9d0000 (131072 bytes) SPI flash protection: WPSW=0 SRP0=0 MRC: NOT enabling PRR for 'UNIFIED_MRC_CACHE'. BS: BS_DEV_ENUMERATE times (us): entry 0 run 825825 exit 39275 found VGA at PCI: 00:02.0 Setting up VGA for PCI: 00:02.0 Setting PCI_BRIDGE_CTL_VGA for bridge DOMAIN: 0000 Setting PCI_BRIDGE_CTL_VGA for bridge Root Device Allocating resources... Reading resources... Root Device read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 PCI: 00:14.0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 done PCI: 00:14.0 read_resources bus 0 link: 0 done PCI: 00:15.0 read_resources bus 1 link: 0 PCI: 00:15.0 read_resources bus 1 link: 0 done PCI: 00:15.1 read_resources bus 2 link: 0 PCI: 00:15.1 read_resources bus 2 link: 0 done PCI: 00:19.1 read_resources bus 3 link: 0 PCI: 00:19.1 read_resources bus 3 link: 0 done PCI: 00:1c.0 read_resources bus 1 link: 0 PCI: 00:1c.0 read_resources bus 1 link: 0 done PCI: 00:1e.2 read_resources bus 4 link: 0 PCI: 00:1e.2 read_resources bus 4 link: 0 done PCI: 00:1f.0 read_resources bus 0 link: 0 PCI: 00:1f.0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 done Root Device read_resources bus 0 link: 0 done Done reading resources. Show resources in subtree (Root Device)...After reading. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 02 APIC: 03 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffff flags 40040100 index 10000000 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base 0 size 1000000 align 24 gran 24 limit ffffffffffffffff flags 201 index 10 PCI: 00:02.0 resource base 0 size 10000000 align 28 gran 28 limit ffffffffffffffff flags 1201 index 18 PCI: 00:02.0 resource base 0 size 40 align 6 gran 6 limit ffff flags 100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base 0 size 8000 align 15 gran 15 limit ffffffffffffffff flags 201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base 0 size 0 align 12 gran 12 limit ffff flags 80102 index 1c PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffffffffffff flags 81202 index 24 PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffff flags 80202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base 0 size 2000 align 13 gran 13 limit ffffffffffffffff flags 201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base 0 size 4000 align 14 gran 14 limit ffffffff flags 200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base 0 size 4000 align 14 gran 14 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.3 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base 0 size 100 align 12 gran 8 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base 0 size 1000 align 12 gran 12 limit ffffffff flags 200 index 10 PCI: 00:1f.6 DOMAIN: 0000 io: base: 0 size: 0 align: 0 gran: 0 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff done PCI: 00:02.0 20 * [0x0 - 0x3f] io DOMAIN: 0000 io: base: 40 size: 40 align: 6 gran: 0 limit: ffff done DOMAIN: 0000 mem: base: 0 size: 0 align: 0 gran: 0 limit: ffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff done PCI: 00:1c.0 mem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffff PCI: 01:00.0 10 * [0x0 - 0x1fff] mem PCI: 00:1c.0 mem: base: 2000 size: 100000 align: 20 gran: 20 limit: ffffffff done PCI: 00:02.0 18 * [0x0 - 0xfffffff] prefmem PCI: 00:02.0 10 * [0x10000000 - 0x10ffffff] mem PCI: 00:1c.0 20 * [0x11000000 - 0x110fffff] mem PCI: 00:14.0 10 * [0x11100000 - 0x1110ffff] mem PCI: 00:1f.3 20 * [0x11110000 - 0x1111ffff] mem PCI: 00:04.0 10 * [0x11120000 - 0x11127fff] mem PCI: 00:1f.2 10 * [0x11128000 - 0x1112bfff] mem PCI: 00:1f.3 10 * [0x1112c000 - 0x1112ffff] mem PCI: 00:08.0 10 * [0x11130000 - 0x11130fff] mem PCI: 00:14.2 10 * [0x11131000 - 0x11131fff] mem PCI: 00:15.0 10 * [0x11132000 - 0x11132fff] mem PCI: 00:15.1 10 * [0x11133000 - 0x11133fff] mem PCI: 00:16.0 10 * [0x11134000 - 0x11134fff] mem PCI: 00:19.0 18 * [0x11135000 - 0x11135fff] mem PCI: 00:19.1 10 * [0x11136000 - 0x11136fff] mem PCI: 00:1e.0 10 * [0x11137000 - 0x11137fff] mem PCI: 00:1e.2 10 * [0x11138000 - 0x11138fff] mem PCI: 00:1e.4 10 * [0x11139000 - 0x11139fff] mem PCI: 00:16 10 * [0x1113a000 - 0x1113afff] mem PCI: 00:1f.5 10 * [0x1113b000 - 0x1113bfff] mem PCI: 00:1f.4 10 * [0x1113c000 - 0x1113c0ff] mem DOMAIN: 0000 mem: base: 1113c100 size: 1113c100 align: 28 gran: 0 limit: ffffffff done avoid_fixed_resources: DOMAIN: 0000 avoid_fixed_resources:@DOMAIN: 0000 10000000 limit 0000ffff avoid_fixed_resources:@DOMAIN: 0000 10000100 limit ffffffff constrain_resources: PCI: 00:00.0 00 base e0000000 limit e3ffffff mem (fixed) constrain_resources: PCI: 00:00.0 08 base 00000000 limit 0009ffff mem (fixed) constrain_resources: PCI: 00:00.0 09 base 000c0000 limit 7affffff mem (fixed) constrain_resources: PCI: 00:00.0 0b base 7b000000 limit 7b7fffff mem (fixed) constrain_resources: PCI: 00:00.0 0c base 7b800000 limit 7fffffff mem (fixed) constrain_resources: PCI: 00:1f.0 00 base 00000000 limit 00000fff io (fixed) constrain_resources: PCI: 00:1f.2 40 base 00001800 limit 000018ff io (fixed) constrain_resources: PCI: 00:1f.4 20 base 0000efa0 limit 0000efbf io (fixed) avoid_fixed_resources:@DOMAIN: 0000 10000000 base 00001900 limit 0000ef9f avoid_fixed_resources:@DOMAIN: 0000 10000100 base c0000000 limit dfffffff Setting resources... DOMAIN: 0000 io: base:1900 size:40 align:6 gran:0 limit:ef9f PCI: 00:02.0 20 * [0x1c00 - 0x1c3f] io DOMAIN: 0000 io: next_base: 1c40 size: 40 align: 6 gran: 0 done PCI: 00:1c.0 io: base:ef9f size:0 align:12 gran:12 limit:ef9f PCI: 00:1c.0 io: next_base: ef9f size: 0 align: 12 gran: 12 done DOMAIN: 0000 mem: base:c0000000 size:1113c100 align:28 gran:0 limit:dfffffff PCI: 00:02.0 18 * [0xc0000000 - 0xcfffffff] prefmem PCI: 00:02.0 10 * [0xd0000000 - 0xd0ffffff] mem PCI: 00:1c.0 20 * [0xd1000000 - 0xd10fffff] mem PCI: 00:14.0 10 * [0xd1100000 - 0xd110ffff] mem PCI: 00:1f.3 20 * [0xd1110000 - 0xd111ffff] mem PCI: 00:04.0 10 * [0xd1120000 - 0xd1127fff] mem PCI: 00:1f.2 10 * [0xd1128000 - 0xd112bfff] mem PCI: 00:1f.3 10 * [0xd112c000 - 0xd112ffff] mem PCI: 00:08.0 10 * [0xd1130000 - 0xd1130fff] mem PCI: 00:14.2 10 * [0xd1131000 - 0xd1131fff] mem PCI: 00:15.0 10 * [0xd1132000 - 0xd1132fff] mem PCI: 00:15.1 10 * [0xd1133000 - 0xd1133fff] mem PCI: 00:16.0 10 * [0xd1134000 - 0xd1134fff] mem PCI: 00:19.0 18 * [0xd1135000 - 0xd1135fff] mem PCI: 00:19.1 10 * [0xd1136000 - 0xd1136fff] mem PCI: 00:1e.0 10 * [0xd1137000 - 0xd1137fff] mem PCI: 00:1e.2 10 * [0xd1138000 - 0xd1138fff] mem PCI: 00:1e.4 10 * [0xd1139000 - 0xd1139fff] mem PCI: 00:1e.6 10 * [0xd113a000 - 0xd113afff] mem PCI: 00:1f.5 10 * [0xd113b000 - 0xd113bfff] mem PCI: 00:1f.4 10 * [0xd113c000 - 0xd113c0ff] mem DOMAIN: 0000 mem: next_base: d113c100 size: 1113c100 align: 28 gran: 0 done PCI: 00:1c.0 prefmem: base:dfffffff size:0 align:20 gran:20 limit:dfffffff PCI: 00:1c.0 prefmem: next_base: dfffffff size: 0 align: 20 gran: 20 done PCI: 00:1c.0 mem: base:d1000000 size:100000 align:20 gran:20 limit:d10fffff PCI: 01:00.0 10 * [0xd1000000 - 0xd1001fff] mem PCI: 00:1c.0 mem: next_base: d1002000 size: 100000 align: 20 gran: 20 done Root Device assign_resources, bus 0 link: 0 DOMAIN: 0000 assign_resources, bus 0 link: 0 PCI: 00:02.0 10 <- [0x00d0000000 - 0x00d0ffffff] size 0x01000000 gran 0x18 mem64 PCI: 00:02.0 18 <- [0x00c0000000 - 0x00cfffffff] size 0x10000000 gran 0x1c prefmem64 PCI: 00:02.0 20 <- [0x0000001c00 - 0x0000001c3f] size 0x00000040 gran 0x06 io PCI: 00:04.0 10 <- [0x00d1120000 - 0x00d1127fff] size 0x00008000 gran 0x0f mem64 PCI: 00:08.0 10 <- [0x00d1130000 - 0x00d1130fff] size 0x00001000 gran 0x0c mem64 PCI: 00:14.0 10 <- [0x00d1100000 - 0x00d110ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.2 10 <- [0x00d1131000 - 0x00d1131fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 10 <- [0x00d1132000 - 0x00d1132fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.1 10 <- [0x00d1133000 - 0x00d1133fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:16.0 10 <- [0x00d1134000 - 0x00d1134fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.0 18 <- [0x00d1135000 - 0x00d1135fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 10 <- [0x00d1136000 - 0x00d1136fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:1c.0 1c <- [0x000000ef9f - 0x000000ef9e] size 0x00000000 gran 0x0c bus 01 io PCI: 00:1c.0 24 <- [0x00dfffffff - 0x00dffffffe] size 0x00000000 gran 0x14 bus 01 prefmem PCI: 00:1c.0 20 <- [0x00d1000000 - 0x00d10fffff] size 0x00100000 gran 0x14 bus 01 mem PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 01:00.0 10 <- [0x00d1000000 - 0x00d1001fff] size 0x00002000 gran 0x0d mem64 PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 00:1e.0 10 <- [0x00d1137000 - 0x00d1137fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 10 <- [0x00d1138000 - 0x00d1138fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.4 10 <- [0x00d1139000 - 0x00d1139fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.6 10 <- [0x00d113a000 - 0x00d113afff] size 0x00001000 gran 0x0c mem64 PCI: 00:1f.0 assign_resources, bus 0 link: 0 PCI: 00:1f.0 assign_resources, bus 0 link: 0 LPC: Trying to open IO window from 800 size 1ff PCI: 00:1f.2 10 <- [0x00d1128000 - 0x00d112bfff] size 0x00004000 gran 0x0e mem PCI: 00:1f.3 10 <- [0x00d112c000 - 0x00d112ffff] size 0x00004000 gran 0x0e mem64 PCI: 00:1f.3 20 <- [0x00d1110000 - 0x00d111ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:1f.4 10 <- [0x00d113c000 - 0x00d113c0ff] size 0x00000100 gran 0x08 mem64 PCI: 00:1f.5 10 <- [0x00d113b000 - 0x00d113bfff] size 0x00001000 gran 0x0c mem DOMAIN: 0000 assign_resources, bus 0 link: 0 Root Device assign_resources, bus 0 link: 0 Done setting resources. Show resources in subtree (Root Device)...After assigning values. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 02 APIC: 03 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 1900 size 40 align 6 gran 0 limit ef9f flags 40040100 index 10000000 DOMAIN: 0000 resource base c0000000 size 1113c100 align 28 gran 0 limit dfffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base d0000000 size 1000000 align 24 gran 24 limit d0ffffff flags 60000201 index 10 PCI: 00:02.0 resource base c0000000 size 10000000 align 28 gran 28 limit cfffffff flags 60001201 index 18 PCI: 00:02.0 resource base 1c00 size 40 align 6 gran 6 limit 1c3f flags 60000100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base d1120000 size 8000 align 15 gran 15 limit d1127fff flags 60000201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base d1130000 size 1000 align 12 gran 12 limit d1130fff flags 60000201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base d1100000 size 10000 align 16 gran 16 limit d110ffff flags 60000201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base d1131000 size 1000 align 12 gran 12 limit d1131fff flags 60000201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base d1132000 size 1000 align 12 gran 12 limit d1132fff flags 60000201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base d1133000 size 1000 align 12 gran 12 limit d1133fff flags 60000201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base d1134000 size 1000 align 12 gran 12 limit d1134fff flags 60000201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base d1135000 size 1000 align 12 gran 12 limit d1135fff flags 60000201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base d1136000 size 1000 align 12 gran 12 limit d1136fff flags 60000201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base ef9f size 0 align 12 gran 12 limit ef9f flags 60080102 index 1c PCI: 00:1c.0 resource base dfffffff size 0 align 20 gran 20 limit dfffffff flags 60081202 index 24 PCI: 00:1c.0 resource base d1000000 size 100000 align 20 gran 20 limit d10fffff flags 60080202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base d1000000 size 2000 align 13 gran 13 limit d1001fff flags 60000201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base d1137000 size 1000 align 12 gran 12 limit d1137fff flags 60000201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base d1138000 size 1000 align 12 gran 12 limit d1138fff flags 60000201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base d1139000 size 1000 align 12 gran 12 limit d1139fff flags 60000201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base d113a000 size 1000 align 12 gran 12 limit d113afff flags 60000201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base d1128000 size 4000 align 14 gran 14 limit d112bfff flags 60000200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base d112c000 size 4000 align 14 gran 14 limit d112ffff flags 60000201 index 10 PCI: 00:1f.3 resource base d1110000 size 10000 align 16 gran 16 limit d111ffff flags 60000201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base d113c000 size 100 align 12 gran 8 limit d113c0ff flags 60000201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base d113b000 size 1000 align 12 gran 12 limit d113bfff flags 60000200 index 10 PCI: 00:1f.6 Done allocating resources. BS: BS_DEV_RESOURCES times (us): entry 0 run 2113724 exit 31 Enabling resources... PCI: 00:00.0 subsystem <- 8086/590c PCI: 00:00.0 cmd <- 06 PCI: 00:02.0 subsystem <- 8086/591c PCI: 00:02.0 cmd <- 03 PCI: 00:04.0 cmd <- 02 PCI: 00:08.0 cmd <- 06 PCI: 00:14.0 subsystem <- 8086/9d2f PCI: 00:14.0 cmd <- 02 PCI: 00:14.2 subsystem <- 8086/9d31 PCI: 00:14.2 cmd <- 02 PCI: 00:15.0 subsystem <- 8086/9d60 PCI: 00:15.0 cmd <- 06 PCI: 00:15.1 subsystem <- 8086/9d61 PCI: 00:15.1 cmd <- 06 PCI: 00:16.0 subsystem <- 8086/9d3a PCI: 00:16.0 cmd <- 02 PCI: 00:19.0 subsystem <- 8086/9d66 PCI: 00:19.0 cmd <- 06 PCI: 00:19.1 subsystem <- 8086/9d65 PCI: 00:19.1 cmd <- 06 PCI: 00:1c.0 bridge ctrl <- 0003 PCI: 00:1c.0 subsystem <- 8086/9d10 PCI: 00:1c.0 cmd <- 06 PCI: 00:1e.0 subsystem <- 8086/9d27 PCI: 00:1e.0 cmd <- 06 PCI: 00:1e.2 subsystem <- 8086/9d29 PCI: 00:1e.2 cmd <- 06 PCI: 00:1e.4 subsystem <- 8086/9d2b PCI: 00:1e.4 cmd <- 06 PCI: 00:1e.6 subsystem <- 8086/9d2d PCI: 00:1e.6 cmd <- 06 PCI: 00:1f.0 subsystem <- 8086/9d4b PCI: 00:1f.0 cmd <- 407 PCI: 00:1f.2 subsystem <- 8086/9d21 PCI: 00:1f.2 cmd <- 02 PCI: 00:1f.3 subsystem <- 8086/9d71 PCI: 00:1f.3 cmd <- 02 PCI: 00:1f.4 subsystem <- 8086/9d23 PCI: 00:1f.4 cmd <- 03 PCI: 00:1f.5 subsystem <- 8086/9d24 PCI: 00:1f.5 cmd <- 406 PCI: 01:00.0 subsystem <- 8086/095a PCI: 01:00.0 cmd <- 02 done. ME: Version : 11.8.50.3470 BS: BS_DEV_ENABLE times (us): entry 230 run 139291 exit 18742 Initializing devices... Root Device init ... Chrome EC: Set SMI mask to 0x0000000000000001 Chrome EC: Set S5 LAZY WAKE mask to 0x0000000000000006 Chrome EC: Set S3 LAZY WAKE mask to 0x0000000010001006 Chrome EC: Set S0iX LAZY WAKE mask to 0x0000000010001006 Chrome EC: Set WAKE mask to 0x0000000000000000 Root Device init finished in 30841 usecs CPU_CLUSTER: 0 init ... CPU_CLUSTER: 0 init finished in 2445 usecs PCI: 00:00.0 init ... CPU TDP: 5 Watts CPU PL2 = 18 Watts PCI: 00:00.0 init finished in 6984 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2249 usecs PCI: 00:04.0 init ... PCI: 00:04.0 init finished in 2248 usecs PCI: 00:08.0 init ... PCI: 00:08.0 init finished in 2248 usecs PCI: 00:14.0 init ... PCI: 00:14.0 init finished in 2247 usecs PCI: 00:14.2 init ... PCI: 00:14.2 init finished in 2248 usecs PCI: 00:15.0 init ... DW I2C bus 0 at 0xd1132000 (400 KHz) PCI: 00:15.0 init finished in 5966 usecs PCI: 00:15.1 init ... DW I2C bus 1 at 0xd1133000 (400 KHz) PCI: 00:15.1 init finished in 5966 usecs PCI: 00:16.0 init ... PCI: 00:16.0 init finished in 2248 usecs PCI: 00:19.1 init ... DW I2C bus 5 at 0xd1136000 (400 KHz) PCI: 00:19.1 init finished in 5967 usecs PCI: 00:1c.0 init ... Initializing PCH PCIe bridge. PCI: 00:1c.0 init finished in 5289 usecs PCI: 00:1e.4 init ... PCI: 00:1e.4 init finished in 2248 usecs PCI: 00:1f.0 init ... IOAPIC: Initializing IOAPIC at 0xfec00000 IOAPIC: Bootstrap Processor Local APIC = 0x00 IOAPIC: ID = 0x02 IOAPIC: Dumping registers reg 0x0000: 0x02000000 reg 0x0001: 0x00770020 reg 0x0002: 0x00000000 PCI: 00:1f.0 init finished in 23475 usecs PCI: 00:1f.2 init ... RTC Init Set power on after power failure. Disabling ACPI via APMC: done. Disabling Deep S3 Disabling Deep S3 Enabling Deep S4 Enabling Deep S4 Enabling Deep S5 Enabling Deep S5 PCI: 00:1f.2 init finished in 23808 usecs PCI: 00:1f.4 init ... PCI: 00:1f.4 init finished in 2259 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2390 usecs PNP: 0c09.0 init ... Google Chrome EC: Hello got back 11223344 status (0) Google Chrome EC: version: ro: rammus_v2.0.387-f0df0fe2e rw: rammus_v2.0.427-c38dc837e running image: 1 EC returned error result code 1 PNP: 0c09.0 init finished in 24534 usecs Devices initialized Show all devs... After init. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 0 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 01:5c: enabled 1 I2C: 02:15: enabled 1 I2C: 03:39: enabled 1 I2C: 03:3a: enabled 1 I2C: 03:1a: enabled 1 PCI: 01:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 02: enabled 1 APIC: 03: enabled 1 PCI: 00:04.0: enabled 1 PCI: 00:08.0: enabled 1 FMAP: area RW_ELOG found @ 9f0000 (16384 bytes) ELOG: NV offset 0x9f0000 size 0x4000 ELOG: area is 4096 bytes, full threshold 3842, shrink size 1024 ELOG: Event(17) added with size 13 at 2022-07-02 19:38:31 UTC POST: Unexpected post code in previous boot: 0x34 ELOG: Event(A3) added with size 11 at 2022-07-02 19:38:31 UTC ELOG: Event(A6) added with size 13 at 2022-07-02 19:38:31 UTC ELOG: Event(92) added with size 9 at 2022-07-02 19:38:31 UTC ELOG: Event(9A) added with size 9 at 2022-07-02 19:38:31 UTC ELOG: Event(AD) added with size 10 at 2022-07-02 19:38:31 UTC ELOG: Event(9F) added with size 14 at 2022-07-02 19:38:31 UTC BS: BS_DEV_INIT times (us): entry 0 run 417110 exit 66294 ELOG: Event(A1) added with size 10 at 2022-07-02 19:38:31 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2022-07-02 19:38:31 UTC elog_add_boot_reason: Logged dev mode boot Finalize devices... Devices finalized FMAP: area RW_NVRAM found @ 9fa000 (24576 bytes) BS: BS_POST_DEVICE times (us): entry 25562 run 3957 exit 5209 BS: BS_OS_RESUME_CHECK times (us): entry 0 run 55 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/dsdt.aml' CBFS: Found @ offset 19af40 size 4691 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/slic' CBFS: 'fallback/slic' not found. ACPI: Writing ACPI tables at 7aa9a000. ACPI: * FACS ACPI: * DSDT Ramoops buffer: 0x100000@0x7a999000. SGX: not enabled or not supported. skip gnvs fill ACPI: * FADT SCI is IRQ9 ACPI: added table 1/32, length now 40 ACPI: * SSDT Found 1 CPU(s) with 4 core(s) each. \_SB.PCI0.I2C0.H05C: SISC Touchscreen at I2C: 01:5c \_SB.PCI0.I2C1.D015: ELAN Touchpad at I2C: 02:15 \_SB.PCI0.I2C5.MAXR: Maxim MAX98927 Codec address 039h \_SB.PCI0.I2C5.MAXL: Maxim MAX98927 Codec address 03ah \_SB.PCI0.I2C5.DLG7: Dialog Semiconductor DA7219 Audio Codec address 01ah irq 105 Error: Could not locate 'wifi_sar' in VPD. Error: failed from getting SAR limits! \_SB.PCI0.RP01.WIFI: Intel WiFi PCI: 01:00.0 \_SB.PCI0.SPI0.S001: SPI Device at SPI: 00 \_SB.PCI0.XHCI.RHUB.HS01: USB Type C Port 1 at USB2 port 0 \_SB.PCI0.XHCI.RHUB.HS02: USB Type A Port 1 at USB2 port 1 \_SB.PCI0.XHCI.RHUB.HS03: Bluetooth at USB2 port 2 \_SB.PCI0.XHCI.RHUB.HS05: USB Type C Port 2 at USB2 port 4 \_SB.PCI0.XHCI.RHUB.HS09: Camera at USB2 port 8 ACPI: added table 2/32, length now 44 ACPI: * MCFG ACPI: added table 3/32, length now 48 ACPI: * TPM2 ACPI: added table 4/32, length now 52 ACPI: * MADT SCI is IRQ9 ACPI: added table 5/32, length now 56 current = 7aa9fa60 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-16b.bin' CBFS: Found @ offset 167000 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-32b.bin' CBFS: Found @ offset 19f640 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-24b.bin' CBFS: Found @ offset 167c00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 ACPI: * NHLT ACPI: added table 6/32, length now 60 ACPI: * DMAR ACPI: added table 7/32, length now 64 ACPI: * IGD OpRegion GMA: Found VBT in CBFS GMA: Found valid VBT in CBFS current = 7aaa3610 ACPI: added table 8/32, length now 68 ACPI: * HPET ACPI: added table 9/32, length now 72 ACPI: done. ACPI tables: 38592 bytes. smbios_write_tables: 7a998000 Create SMBIOS type 17 PCI: 01:00.0 (Intel WiFi) SMBIOS tables: 662 bytes. Writing table forward entry at 0x00000500 Wrote coreboot table at: 00000500, 0x10 bytes, checksum a532 Writing coreboot table at 0x7aabe000 0. 0000000000000000-0000000000000fff: CONFIGURATION TABLES 1. 0000000000001000-000000000009ffff: RAM 2. 00000000000a0000-00000000000fffff: RESERVED 3. 0000000000100000-000000007a997fff: RAM 4. 000000007a998000-000000007ab05fff: CONFIGURATION TABLES 5. 000000007ab06000-000000007abcffff: RAMSTAGE 6. 000000007abd0000-000000007affffff: CONFIGURATION TABLES 7. 000000007b000000-000000007fffffff: RESERVED 8. 00000000e0000000-00000000e3ffffff: RESERVED 9. 00000000fe000000-00000000fe00ffff: RESERVED 10. 00000000fed10000-00000000fed19fff: RESERVED 11. 00000000fed80000-00000000fed84fff: RESERVED 12. 00000000fed90000-00000000fed91fff: RESERVED 13. 0000000100000000-000000017effffff: RAM Graphics framebuffer located at 0xc0000000 Passing 6 GPIOs to payload: NAME | PORT | POLARITY | VALUE write protect | undefined | high | low recovery | undefined | high | low lid | undefined | high | high power | undefined | high | low oprom | undefined | high | low EC in RW | 0x00000036 | high | low Board ID: 6 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) Wrote coreboot table at: 7aabe000, 0x57c bytes, checksum 22ea coreboot table: 1428 bytes. IMD ROOT 0. 7afff000 00001000 IMD SMALL 1. 7affe000 00001000 FSP MEMORY 2. 7abfe000 00400000 CONSOLE 3. 7abde000 00020000 TIME STAMP 4. 7abdd000 00000910 VBOOT 5. 7abdc000 00000c0c MRC DATA 6. 7abda000 00001878 ROMSTG STCK 7. 7abd9000 00000400 AFTER CAR 8. 7abd0000 00009000 RAMSTAGE 9. 7ab05000 000cb000 REFCODE 10. 7aad6000 0002f000 SMM BACKUP 11. 7aac6000 00010000 COREBOOT 12. 7aabe000 00008000 ACPI 13. 7aa9a000 00024000 ACPI GNVS 14. 7aa99000 00001000 RAMOOPS 15. 7a999000 00100000 SMBIOS 16. 7a998000 00000800 IMD small region: IMD ROOT 0. 7affec00 00000400 FSP RUNTIME 1. 7affebe0 00000004 VBOOT SEL 2. 7affebc0 00000008 EC HOSTEVENT 3. 7affeba0 00000008 POWER STATE 4. 7affeb60 00000040 ROMSTAGE 5. 7affeb40 00000004 MEM INFO 6. 7affe980 000001a9 COREBOOTFWD 7. 7affe940 00000028 MTRR: Physical address space: 0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6 0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0 0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6 0x000000007b800000 - 0x00000000c0000000 size 0x44800000 type 0 0x00000000c0000000 - 0x00000000d0000000 size 0x10000000 type 1 0x00000000d0000000 - 0x0000000100000000 size 0x30000000 type 0 0x0000000100000000 - 0x000000017f000000 size 0x7f000000 type 6 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 call enable_fixed_mtrr() CPU physical address size: 39 bits MTRR: default type WB/UC MTRR counts: 6/5. MTRR: UC selected as default type. MTRR: 0 base 0x0000000000000000 mask 0x0000007f80000000 type 6 MTRR: 1 base 0x000000007b800000 mask 0x0000007fff800000 type 0 MTRR: 2 base 0x000000007c000000 mask 0x0000007ffc000000 type 0 MTRR: 3 base 0x00000000c0000000 mask 0x0000007ff0000000 type 1 MTRR: 4 base 0x0000000100000000 mask 0x0000007f80000000 type 6 MTRR check Fixed MTRRs : Enabled Variable MTRRs: Enabled MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 BS: BS_WRITE_TABLES times (us): entry 0 run 533851 exit 146811 call enable_fixed_mtrr() CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CPU physical address size: 39 bits CBFS: Locating 'fallback/payload' MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 call enable_fixed_mtrr() call enable_fixed_mtrr() CBFS: Found @ offset 223040 size 360b4 CPU physical address size: 39 bits CPU physical address size: 39 bits Checking segment from ROM address 0xfff23078 Checking segment from ROM address 0xfff23094 Loading segment from ROM address 0xfff23078 code (compression=0) New segment dstaddr 0x30104020 memsize 0x64d8b0 srcaddr 0xfff230b0 filesize 0x3607c Loading Segment: addr: 0x30104020 memsz: 0x000000000064d8b0 filesz: 0x000000000003607c it's not compressed! [ 0x30104020, 3013a09c, 0x307518d0) <- fff230b0 Clearing Segment: addr: 0x000000003013a09c memsz: 0x0000000000617834 Loading segment from ROM address 0xfff23094 Entry Point 0x30104020 Loaded segments Finalizing chipset. ME: Host Firmware Status Register 1 : 0x90000245 ME: Host Firmware Status Register 2 : 0x6B000306 ME: Host Firmware Status Register 3 : 0x00000020 ME: Host Firmware Status Register 4 : 0x00084004 ME: Host Firmware Status Register 5 : 0x00000000 ME: Host Firmware Status Register 6 : 0x40000002 ME: FW Partition Table : OK ME: Bringup Loader Failure : NO ME: Firmware Init Complete : YES ME: Manufacturing Mode : NO ME: Boot Options Present : NO ME: Update In Progress : NO ME: D3 Support : NO ME: D0i3 Support : YES ME: Low Power State Enabled : YES ME: CPU Replaced : NO ME: CPU Replacement Valid : YES ME: Current Working State : Normal ME: Current Operation State : M0 with UMA ME: Current Operation Mode : Normal ME: Error Code : No Error ME: Progress Phase : Host Communication ME: Power Management Event : Power cycle reset through Moff ME: Progress Phase State : Host communication established ME: Power Down Mitigation : NO ME: FPF status : fused Clearing MCA. Finalizing SMM. BS: BS_PAYLOAD_LOAD times (us): entry 603 run 261821 exit 135676 mp_park_aps done after 0 msecs. Jumping to boot code at 30104020(7aabe000) CPU0: stack: 7ab46000 - 7ab47000, lowest used address 7ab46abc, stack used: 1348 bytes Starting depthcharge on rammus... 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-rammus-11275.B-collabora] Dec 11 2020 10:26:21 rammus: tftpboot 192.168.201.1 6734671/tftp-deploy-dt63x71l/kernel/bzImage 6734671/tftp-deploy-dt63x71l/kernel/cmdline 6734671/tftp-deploy-dt63x71l/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 6734671/tftp-deploy-dt63x71l/kernel/bzImaoy-dt63x71l/kernel/cmdline 6734671/tftp-deploy-dt63x71l/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:68:04:98 Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.14 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 6734671/tftp-deploy-dt63x71l/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 ############### done. The bootfile was 13227168 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 ####################################################### done. Sending tftp read request... done. Waiting for the transfer... 00000000 # done. Command line loaded dynamically from TFTP file: 6734671/tftp-deploy-dt63x71l/kernel/cmdline The command line is: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/6734671/extract-nfsrootfs-0dxx8xrn,tcp,hard ip=dhcp tftpserverip=192.168.201.1 Shutting down all USB controllers. Removing current net device Finalizing coreboot Exiting depthcharge with code 4 at timestamp: 19377785 Starting kernel ... [ 0.000000] Linux version 5.10.128-cip10 (KernelCI@build-j298710-x86-64-gcc-10-x86-64-defconfig-x86-chromebooxq4f8) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Sat Jul 2 19:29:05 UTC 2022 [ 0.000000] Command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/6734671/extract-nfsrootfs-0dxx8xrn,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: Supporting XSAVE feature 0x008: 'MPX bounds registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x010: 'MPX CSR' [ 0.000000] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 0.000000] x86/fpu: xstate_offset[3]: 832, xstate_sizes[3]: 64 [ 0.000000] x86/fpu: xstate_offset[4]: 896, xstate_sizes[4]: 64 [ 0.000000] x86/fpu: Enabled xstate features 0x1f, context size is 960 bytes, using 'compacted' format. [ 0.000000] BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x0000000000000fff] type 16 [ 0.000000] BIOS-e820: [mem 0x0000000000001000-0x000000000009ffff] usable [ 0.000000] BIOS-e820: [mem 0x00000000000a0000-0x00000000000fffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000007a997fff] usable [ 0.000000] BIOS-e820: [mem 0x000000007a998000-0x000000007affffff] type 16 [ 0.000000] BIOS-e820: [mem 0x000000007b000000-0x000000007fffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000e0000000-0x00000000e3ffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fe000000-0x00000000fe00ffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fed10000-0x00000000fed19fff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fed80000-0x00000000fed84fff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fed90000-0x00000000fed91fff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000017effffff] usable [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] SMBIOS 2.7 present. [ 0.000000] DMI: Google Rammus/Rammus, BIOS 09/04/2020 [ 0.000000] tsc: Detected 1600.000 MHz processor [ 0.000000] tsc: Detected 1599.960 MHz TSC [ 0.000053] last_pfn = 0x17f000 max_arch_pfn = 0x400000000 [ 0.001376] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.007035] last_pfn = 0x7a998 max_arch_pfn = 0x400000000 [ 0.024621] check: Scanning 1 areas for low memory corruption [ 0.024635] Using GB pages for direct mapping [ 0.025426] RAMDISK: [mem 0x37812000-0x37ffffff] [ 0.025434] ACPI: Early table checksum verification disabled [ 0.025444] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) [ 0.025459] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.025477] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.025493] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531) [ 0.025507] ACPI: FACS 0x000000007AA9A240 000040 [ 0.025519] ACPI: FACS 0x000000007AA9A240 000040 [ 0.025531] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE COREBOOT 0000002A CORE 0000002A) [ 0.025544] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.025557] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.025570] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE COREBOOT 00000000 CORE 00000000) [ 0.025583] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS 00000000 CORE 00000000) [ 0.025596] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.025608] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE COREBOOT 00000000 CORE 00000000) [ 0.025621] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.025634] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63] [ 0.025639] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962] [ 0.025644] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.025649] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.025654] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969] [ 0.025659] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab] [ 0.025664] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef] [ 0.025669] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b] [ 0.025674] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b] [ 0.025680] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607] [ 0.025685] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670] [ 0.025690] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7] [ 0.025834] No NUMA configuration found [ 0.025840] Faking a node at [mem 0x0000000000000000-0x000000017effffff] [ 0.025850] NODE_DATA(0) allocated [mem 0x17effa000-0x17effdfff] [ 0.025896] Zone ranges: [ 0.025902] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.025910] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.025918] Normal [mem 0x0000000100000000-0x000000017effffff] [ 0.025925] Movable zone start for each node [ 0.025931] Early memory node ranges [ 0.025936] node 0: [mem 0x0000000000001000-0x000000000009ffff] [ 0.025941] node 0: [mem 0x0000000000100000-0x000000007a997fff] [ 0.025947] node 0: [mem 0x0000000100000000-0x000000017effffff] [ 0.025953] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff] [ 0.025991] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.026041] On node 0, zone DMA: 96 pages in unavailable ranges [ 0.037657] On node 0, zone Normal: 22120 pages in unavailable ranges [ 0.037727] On node 0, zone Normal: 4096 pages in unavailable ranges [ 0.037754] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] [ 0.038109] ACPI: PM-Timer IO Port: 0x1808 [ 0.038164] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 [ 0.038177] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.038183] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.038198] Using ACPI (MADT) for SMP configuration information [ 0.038204] ACPI: HPET id: 0x8086a701 base: 0xfed00000 [ 0.038211] TSC deadline timer available [ 0.038216] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.038246] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.038252] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] [ 0.038258] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff] [ 0.038263] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] [ 0.038267] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff] [ 0.038271] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff] [ 0.038276] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff] [ 0.038280] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff] [ 0.038284] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff] [ 0.038288] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff] [ 0.038293] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff] [ 0.038297] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff] [ 0.038301] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff] [ 0.038306] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff] [ 0.038310] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff] [ 0.038319] [mem 0x80000000-0xdfffffff] available for PCI devices [ 0.038327] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.052847] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 [ 0.053138] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 [ 0.053211] Built 1 zonelists, mobility grouping on. Total pages: 1006266 [ 0.053216] Policy zone: Normal [ 0.053231] Kernel command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/6734671/extract-nfsrootfs-0dxx8xrn,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.053787] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.054047] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.054135] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.076316] Memory: 3892760K/4089052K available (18450K kernel code, 3464K rwdata, 6028K rodata, 1692K init, 11548K bss, 196032K reserved, 0K cma-reserved) [ 0.076466] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.076523] Kernel/User page tables isolation: enabled [ 0.076600] ftrace: allocating 53343 entries in 209 pages [ 0.117550] ftrace: allocated 209 pages with 4 groups [ 0.117867] Running RCU self tests [ 0.117885] rcu: Hierarchical RCU implementation. [ 0.117890] rcu: RCU event tracing is enabled. [ 0.117894] rcu: RCU lockdep checking is enabled. [ 0.117900] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. [ 0.117905] Rude variant of Tasks RCU enabled. [ 0.117909] Tracing variant of Tasks RCU enabled. [ 0.117914] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.117919] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.128278] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 [ 0.128752] random: crng init done [ 0.128858] Console: colour dummy device 80x25 [ 0.204077] printk: console [ttyS0] enabled [ 0.204446] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.205108] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.205469] ... MAX_LOCK_DEPTH: 48 [ 0.205836] ... MAX_LOCKDEP_KEYS: 8192 [ 0.206218] ... CLASSHASH_SIZE: 4096 [ 0.206600] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.206989] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.207378] ... CHAINHASH_SIZE: 32768 [ 0.207768] memory used by lock dependency info: 6365 kB [ 0.208236] memory used for stack traces: 4224 kB [ 0.208655] per task-struct memory footprint: 1920 bytes [ 0.209178] ACPI: Core revision 20200925 [ 0.209778] hpet: HPET dysfunctional in PC10. Force disabled. [ 0.210279] APIC: Switch to symmetric I/O mode setup [ 0.214743] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns [ 0.215663] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960) [ 0.216569] pid_max: default: 32768 minimum: 301 [ 0.216646] LSM: Security Framework initializing [ 0.216646] SELinux: Initializing. [ 0.216646] LSM support for eBPF active [ 0.216646] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.216646] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.216646] mce: CPU0: Thermal monitoring enabled (TM1) [ 0.216646] process: using mwait in idle threads [ 0.216646] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 0.216646] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 0.216646] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.216646] Spectre V2 : Mitigation: Retpolines [ 0.216646] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.216646] Spectre V2 : Enabling Restricted Speculation for firmware calls [ 0.216646] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 0.216646] Spectre V2 : User space: Mitigation: STIBP via seccomp and prctl [ 0.216646] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp [ 0.216646] MDS: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.216646] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.216646] SRBDS: Vulnerable: No microcode [ 0.216646] Freeing SMP alternatives memory: 44K [ 0.216646] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9) [ 0.217409] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver. [ 0.217664] ... version: 4 [ 0.218021] ... bit width: 48 [ 0.218384] ... generic registers: 4 [ 0.218653] ... value mask: 0000ffffffffffff [ 0.219118] ... max period: 00007fffffffffff [ 0.219580] ... fixed-purpose events: 3 [ 0.219652] ... event mask: 000000070000000f [ 0.220696] rcu: Hierarchical SRCU implementation. [ 0.223357] smp: Bringing up secondary CPUs ... [ 0.224477] x86: Booting SMP configuration: [ 0.224678] .... node #0, CPUs: #1 [ 0.226093] MDS CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/mds.html for more details. [ 0.226679] MMIO Stale Data CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/processor_mmio_stale_data.html for more details. [ 0.228391] #2 #3 [ 0.231035] smp: Brought up 1 node, 4 CPUs [ 0.231670] smpboot: Max logical packages: 1 [ 0.232050] smpboot: Total of 4 processors activated (12799.68 BogoMIPS) [ 0.235043] devtmpfs: initialized [ 0.236050] x86/mm: Memory block size: 128MB [ 0.240867] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.241669] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) [ 0.242769] pinctrl core: initialized pinctrl subsystem [ 0.243635] PM: RTC time: 19:38:46, date: 2022-07-02 [ 0.244310] NET: Registered protocol family 16 [ 0.245549] audit: initializing netlink subsys (disabled) [ 0.245705] audit: type=2000 audit(1656790726.030:1): state=initialized audit_enabled=0 res=1 [ 0.246533] thermal_sys: Registered thermal governor 'step_wise' [ 0.246540] thermal_sys: Registered thermal governor 'user_space' [ 0.247305] cpuidle: using governor menu [ 0.248075] ACPI: bus type PCI registered [ 0.249089] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000) [ 0.249661] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820 [ 0.250291] PCI: Using configuration type 1 for base access [ 0.277809] Kprobes globally optimized [ 0.278186] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.278669] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.279451] cryptomgr_test (38) used greatest stack depth: 14880 bytes left [ 0.282026] ACPI: Added _OSI(Module Device) [ 0.282403] ACPI: Added _OSI(Processor Device) [ 0.283666] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.284082] ACPI: Added _OSI(Processor Aggregator Device) [ 0.284556] ACPI: Added _OSI(Linux-Dell-Video) [ 0.284658] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.285127] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 0.299924] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 0.309562] ACPI: EC: EC started [ 0.309651] ACPI: EC: interrupt blocked [ 0.310860] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.311309] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions [ 0.311654] ACPI: Interpreter enabled [ 0.312064] ACPI: (supports S0 S3 S4 S5) [ 0.312416] ACPI: Using IOAPIC for interrupt routing [ 0.313745] PCI: Using host bridge windows from ACPI; if necessary, use \"pci=nocrs\" and report a bug [ 0.333783] ACPI: Power Resource [PRIC] (on) [ 0.466043] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.466592] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 0.467982] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] [ 0.468646] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge [ 0.470282] PCI host bridge to bus 0000:00 [ 0.470655] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.471245] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 0.471655] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.472302] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window] [ 0.473656] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window] [ 0.474302] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window] [ 0.474654] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window] [ 0.475300] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window] [ 0.475654] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window] [ 0.476299] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window] [ 0.477655] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window] [ 0.478301] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window] [ 0.478654] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window] [ 0.479300] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window] [ 0.479654] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window] [ 0.480299] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window] [ 0.480654] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window] [ 0.481300] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window] [ 0.482655] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window] [ 0.483301] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window] [ 0.483655] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.484227] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000 [ 0.485806] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000 [ 0.486356] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit] [ 0.486671] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref] [ 0.487305] pci 0000:00:02.0: reg 0x20: [io 0x1c00-0x1c3f] [ 0.488411] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000 [ 0.489683] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit] [ 0.491161] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000 [ 0.491686] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit] [ 0.493048] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330 [ 0.493604] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit] [ 0.493815] pci 0000:00:14.0: PME# supported from D3hot D3cold [ 0.495197] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000 [ 0.495695] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit] [ 0.497071] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000 [ 0.497635] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit] [ 0.499604] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000 [ 0.499702] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit] [ 0.501259] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000 [ 0.502703] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit] [ 0.503315] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit] [ 0.504579] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000 [ 0.504702] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit] [ 0.506268] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400 [ 0.506871] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold [ 0.508301] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000 [ 0.509704] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit] [ 0.511239] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000 [ 0.511702] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit] [ 0.513227] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501 [ 0.513696] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit] [ 0.515346] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501 [ 0.515697] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit] [ 0.517257] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100 [ 0.518637] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000 [ 0.519692] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff] [ 0.521193] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100 [ 0.521703] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit] [ 0.522348] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit] [ 0.522779] pci 0000:00:1f.3: PME# supported from D3hot D3cold [ 0.524246] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500 [ 0.524723] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit] [ 0.525382] pci 0000:00:1f.4: reg 0x20: [io 0xefa0-0xefbf] [ 0.526573] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000 [ 0.527692] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff] [ 0.530025] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 [ 0.531548] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit] [ 0.535897] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold [ 0.538921] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 0.539376] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 0.542272] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.542991] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15) [ 0.543944] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.544911] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.545878] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.546842] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.547806] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.548771] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.556452] ACPI: EC: interrupt unblocked [ 0.556653] ACPI: EC: event unblocked [ 0.557000] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.557452] ACPI: EC: GPE=0x6e [ 0.557658] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete [ 0.558271] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events [ 0.560183] iommu: Default domain type: Translated [ 0.560890] pci 0000:00:02.0: vgaarb: setting as boot VGA device [ 0.561284] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.561681] pci 0000:00:02.0: vgaarb: bridge control possible [ 0.562185] vgaarb: loaded [ 0.564098] SCSI subsystem initialized [ 0.564844] ACPI: bus type USB registered [ 0.565353] usbcore: registered new interface driver usbfs [ 0.565726] usbcore: registered new interface driver hub [ 0.566241] usbcore: registered new device driver usb [ 0.566806] pps_core: LinuxPPS API ver. 1 registered [ 0.567243] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.567673] PTP clock support registered [ 0.568947] Advanced Linux Sound Architecture Driver Initialized. [ 0.570387] NetLabel: Initializing [ 0.570662] NetLabel: domain hash size = 128 [ 0.571049] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.571630] NetLabel: unlabeled traffic allowed by default [ 0.572803] PCI: Using ACPI for IRQ routing [ 0.581105] clocksource: Switched to clocksource tsc-early [ 1.029004] VFS: Disk quotas dquot_6.6.0 [ 1.029409] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 1.030458] pnp: PnP ACPI init [ 1.031691] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved [ 1.032273] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved [ 1.032867] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved [ 1.033443] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved [ 1.034035] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved [ 1.034613] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved [ 1.035233] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved [ 1.035852] system 00:00: [mem 0xff000000-0xffffffff] has been reserved [ 1.036429] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved [ 1.037018] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved [ 1.038668] system 00:01: [io 0x1800-0x18fe] has been reserved [ 1.039635] system 00:03: [io 0x0900-0x09fe] has been reserved [ 1.040461] system 00:04: [io 0x0200] has been reserved [ 1.040948] system 00:04: [io 0x0204] has been reserved [ 1.041417] system 00:04: [io 0x0800-0x087f] has been reserved [ 1.041950] system 00:04: [io 0x0880-0x08ff] has been reserved [ 1.045237] pnp: PnP ACPI: found 6 devices [ 1.062245] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 1.063152] NET: Registered protocol family 2 [ 1.063735] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 1.066266] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) [ 1.067266] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) [ 1.068241] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) [ 1.071130] TCP: Hash tables configured (established 32768 bind 32768) [ 1.072059] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) [ 1.073059] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.073975] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.075055] NET: Registered protocol family 1 [ 1.076213] RPC: Registered named UNIX socket transport module. [ 1.076780] RPC: Registered udp transport module. [ 1.077197] RPC: Registered tcp transport module. [ 1.077611] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 1.078817] NET: Registered protocol family 44 [ 1.079232] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 1.079709] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 1.080311] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 1.080862] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 1.081400] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 1.082070] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window] [ 1.082680] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window] [ 1.083275] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window] [ 1.083882] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window] [ 1.084484] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window] [ 1.085097] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window] [ 1.085712] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window] [ 1.086315] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window] [ 1.086967] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window] [ 1.087570] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window] [ 1.088184] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window] [ 1.088799] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window] [ 1.089402] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window] [ 1.090015] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window] [ 1.090618] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window] [ 1.091246] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window] [ 1.091861] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window] [ 1.092465] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff] [ 1.093538] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 1.096570] PCI: CLS 64 bytes, default 64 [ 1.097348] Unpacking initramfs... [ 1.440081] Freeing initrd memory: 8120K [ 1.440564] DMAR: Host address width 39 [ 1.440960] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 [ 1.441494] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e [ 1.442246] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff [ 1.442900] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 [ 1.443386] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da [ 1.444194] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.444774] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB) [ 1.445703] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer [ 1.446385] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules [ 1.446904] RAPL PMU: hw unit of domain package 2^-14 Joules [ 1.447397] RAPL PMU: hw unit of domain dram 2^-14 Joules [ 1.447881] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules [ 1.448376] RAPL PMU: hw unit of domain psys 2^-14 Joules [ 1.450885] kvm: already loaded the other module [ 1.471204] check: Scanning for low memory corruption every 60 seconds [ 1.475405] Initialise system trusted keyrings [ 1.476080] workingset: timestamp_bits=56 max_order=20 bucket_order=0 [ 1.499079] NFS: Registering the id_resolver key type [ 1.499568] Key type id_resolver registered [ 1.499986] Key type id_legacy registered [ 1.522558] Key type asymmetric registered [ 1.522976] Asymmetric key parser 'x509' registered [ 1.523463] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 1.524136] io scheduler mq-deadline registered [ 1.524539] io scheduler kyber registered [ 1.525154] test_firmware: interface ready [ 1.527328] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120 [ 1.529331] ACPI: AC Adapter [AC] (on-line) [ 1.530158] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0 [ 1.531907] ACPI: Lid Switch [LID0] [ 1.532523] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 [ 1.533459] ACPI: Power Button [PWRF] [ 1.534192] ACPI: \_PR_.CP00: Found 3 idle states [ 1.535508] ACPI: \_PR_.CP01: Found 3 idle states [ 1.536611] ACPI: \_PR_.CP02: Found 3 idle states [ 1.537707] ACPI: \_PR_.CP03: Found 3 idle states [ 1.539315] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.544044] hpet_acpi_add: no address or irqs in _CRS [ 1.544639] battery: ACPI: Battery Slot [BAT0] (battery present) [ 1.544823] Non-volatile memory driver v1.3 [ 1.545800] Linux agpgart interface v0.103 [ 1.549211] i915 0000:00:02.0: vgaarb: deactivate vga console [ 1.602253] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 1.603566] i915 0000:00:02.0: Direct firmware load for i915/kbl_dmc_ver1_04.bin failed with error -2 [ 1.604497] i915 0000:00:02.0: [drm] Failed to load DMC firmware i915/kbl_dmc_ver1_04.bin. Disabling runtime power management. [ 1.605715] i915 0000:00:02.0: [drm] DMC firmware homepage: https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915 [ 1.639765] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 [ 1.643796] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 [ 1.663345] loop: module loaded [ 1.664498] lkdtm: No crash points registered, enable through debugfs [ 1.690645] printk: console [ttyS0] disabled [ 1.691364] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A [ 2.486899] tsc: Refined TSC clocksource calibration: 1607.999 MHz [ 2.491605] printk: console [ttyS0] enabled [ 2.503290] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172da94f0e2, max_idle_ns: 440795278248 ns [ 2.524840] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A [ 4.923398] clocksource: Switched to clocksource tsc [ 4.923572] fbcon: i915drmfb (fb0) is primary device [ 4.925802] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO [ 4.934561] e100: Intel(R) PRO/100 Network Driver [ 4.934565] e100: Copyright(c) 1999-2006 Intel Corporation [ 4.934635] e1000: Intel(R) PRO/1000 Network Driver [ 4.934637] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 4.934750] e1000e: Intel(R) PRO/1000 Network Driver [ 4.934753] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 4.934843] sky2: driver version 1.30 [ 4.935186] usbcore: registered new interface driver r8152 [ 4.935614] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 4.935633] ehci-pci: EHCI PCI platform driver [ 4.935731] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 4.935748] ohci-pci: OHCI PCI platform driver [ 4.935817] uhci_hcd: USB Universal Host Controller Interface driver [ 4.936992] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 4.937893] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2 [ 4.938127] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 [ 4.939506] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 [ 4.939580] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported [ 4.941987] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 4.942012] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.942017] usb usb1: Product: xHCI Host Controller [ 4.942022] usb usb1: Manufacturer: Linux 5.10.128-cip10 xhci-hcd [ 4.942026] usb usb1: SerialNumber: 0000:00:14.0 [ 4.943946] hub 1-0:1.0: USB hub found [ 4.944140] hub 1-0:1.0: 12 ports detected [ 4.948984] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 4.949543] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 [ 4.949560] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed [ 4.950061] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 [ 4.950073] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.950077] usb usb2: Product: xHCI Host Controller [ 4.950081] usb usb2: Manufacturer: Linux 5.10.128-cip10 xhci-hcd [ 4.950085] usb usb2: SerialNumber: 0000:00:14.0 [ 4.951867] hub 2-0:1.0: USB hub found [ 4.952011] hub 2-0:1.0: 6 ports detected [ 4.954805] usbcore: registered new interface driver usblp [ 4.954898] usbcore: registered new interface driver usb-storage [ 4.955458] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers [ 4.955640] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 [ 4.955644] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp [ 4.956460] i8042: Warning: Keylock active [ 4.956733] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 4.959190] rtc_cmos 00:02: RTC can wake from S4 [ 4.961535] rtc_cmos 00:02: registered as rtc0 [ 4.961843] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0) [ 4.961989] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 [ 4.963638] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram [ 4.964777] i801_smbus 0000:00:1f.4: SPD Write Disable is set [ 4.964829] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt [ 4.965760] Console: switching to colour frame buffer device 240x67 [ 4.965862] i2c i2c-9: 2/2 memory slots populated (from DMI) [ 4.967487] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com [ 4.967526] intel_pstate: Intel P-state driver initializing [ 4.968399] intel_pstate: HWP enabled [ 4.968437] sdhci: Secure Digital Host Controller Interface driver [ 4.968438] sdhci: Copyright(c) Pierre Ossman [ 4.968468] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21) [ 4.969586] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit [ 4.969820] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 4.971493] hid: raw HID events driver (C) Jiri Kosina [ 4.971983] usbcore: registered new interface driver usbhid [ 4.971984] usbhid: USB HID core driver [ 4.972349] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3 [ 4.977245] cros_ec_lpcs GOOG0004:00: Chrome EC device registered [ 4.977910] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100 [ 4.978861] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 4.979225] gre: GRE over IPv4 demultiplexor driver [ 4.979227] ip_gre: GRE over IPv4 tunneling driver [ 4.980155] IPv4 over IPsec tunneling driver [ 4.980425] Initializing XFRM netlink socket [ 4.981016] NET: Registered protocol family 10 [ 4.981479] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) [ 4.982154] Segment Routing with IPv6 [ 4.982943] ip6_gre: GRE over IPv6 tunneling driver [ 4.983270] NET: Registered protocol family 17 [ 4.983458] 8021q: 802.1Q VLAN Support v1.8 [ 4.983527] Key type dns_resolver registered [ 4.996550] microcode: sig=0x806e9, pf=0x10, revision=0x98 [ 5.004032] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device [ 5.009227] microcode: Microcode Update Driver: v2.2. [ 5.010533] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up [ 5.094033] tpm_tis_spi spi-PRP0001:00: Cr50 firmware version: B2-C:0 RO_A:0.0.10/29d77172 RW_B:0.3.15/cr50_v1.9308_87_mp.224-6 [ 5.094681] IPI shorthand broadcast: enabled [ 5.179517] mmc0: new HS400 MMC card at address 0001 [ 5.184669] usb 1-3: new full-speed USB device number 2 using xhci_hcd [ 5.185512] sched_clock: Marking stable (5098510010, 86933930)->(5200834621, -15390681) [ 5.195667] mmcblk0: mmc0:0001 DA4064 58.2 GiB [ 5.220495] registered taskstats version 1 [ 5.224580] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB [ 5.228983] Loading compiled-in X.509 certificates [ 5.235202] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB [ 5.244160] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.252748] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (246:0) [ 5.260959] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.288361] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 [ 5.292239] PM: Magic number: 14:751:646 [ 5.302950] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.312803] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 [ 5.656776] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 5.664908] printk: console [netcon0] enabled [ 5.668143] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.669795] netconsole: network logging started [ 5.684681] IP-Config: Failed to open gretap0 [ 5.689603] IP-Config: Failed to open erspan0 [ 5.694488] IP-Config: No network devices available [ 5.699964] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 5.708834] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.711860] modprobe (102) used greatest stack depth: 14208 bytes left [ 5.714614] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 5.714720] ALSA device list: [ 5.714725] No soundcards found. [ 5.714930] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 5.714942] cfg80211: failed to load regulatory.db [ 5.729317] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 [ 5.762695] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6 [ 5.762697] usb 2-3: Product: USB 10/100/1000 LAN [ 5.762699] usb 2-3: Manufacturer: Realtek [ 5.762700] usb 2-3: SerialNumber: 001000001 [ 5.786109] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console � 5.787081] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.804457] Freeing unused kernel image (initmem) memory: 1692K [ 5.824950] Write protecting the kernel read-only data: 26624k [ 5.832449] Freeing unused kernel image (text/rodata gap) memory: 2028K [ 5.840079] Freeing unused kernel image (rodata/data gap) memory: 116K [ 5.847438] Run /init as init process [ 5.852544] mkdir (106) used greatest stack depth: 13928 bytes left [ 5.859593] cat (112) used greatest stack depth: 13736 bytes left Loading, please wait... [ 5.859705] usb 1-9: new high-speed USB device number 3 using xhci_hcd Starting version 247.3-7 [ 5.877381] systemd-udevd (124) used greatest stack depth: 13576 bytes left [ 6.039924] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07 [ 6.049092] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2 [ 6.057092] usb 1-9: Product: USB2.0 HD UVC WebCam [ 6.062469] usb 1-9: Manufacturer: Azurewave [ 6.067258] usb 1-9: SerialNumber: 0x0001 [ 6.077056] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. [ 6.078343] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.096088] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.106504] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.128832] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 6.153278] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.155002] r8152 2-3:1.0: Direct firmware load for rtl_nic/rtl8153b-2.fw failed with error -2 [ 6.163486] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.171221] r8152 2-3:1.0: unable to load firmware patch rtl_nic/rtl8153b-2.fw (-2) [ 6.192967] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.215931] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.229400] r8152 2-3:1.0 eth0: v1.11.11 [ 6.229435] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.243862] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.248312] r8152 2-3:1.0 enx00e04c680498: renamed from eth0 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: enx00e04c680498 hardware address 00:e0:4c:68:04:98 mtu 1500 DHCP [ 7.855189] IPv6: ADDRCONF(NETDEV_CHANGE): enx00e04c680498: link becomes ready [ 7.863747] r8152 2-3:1.0 enx00e04c680498: carrier on IP-Config: no response after 2 secs - giving up 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: enx00e04c680498 hardware address 00:e0:4c:68:04:98 mtu 1500 DHCP IP-Config: enx00e04c680498 complete (dhcp from 192.168.201.1): address: 192.168.201.14 broadcast: 192.168.201.255 netmask:[ 8.282876] ipconfig (162) used greatest stack depth: 13464 bytes left 255.255.255.0 gateway: 192.168.201.1 dns0 : 192.168.201.1 dns1 : 0.0.0.0 host : asus-C433TA-AJ0005-rammus-cbg-4 domain : lab-rack-1 rootserver: 192.168.201.1 rootpath: filename : [ 8.335333] nfsmount (163) 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 [ 9.698201] systemd[1]: systemd 247.3-7 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) [ 9.734978] systemd[1]: Detected architecture x86-64. Welcome to [1mDebian GNU/Linux 11 (bullseye)[0m! [ 9.764329] systemd[1]: Set hostname to . [ 10.170264] systemd[1]: Queued start job for default target Graphical Interface. [ 10.181348] systemd[1]: Created slice system-getty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-getty.slice[0m. [ 10.198284] systemd[1]: Created slice system-modprobe.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-modprobe.slice[0m. [ 10.214295] systemd[1]: Created slice system-serial\x2dgetty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-serial\x2dgetty.slice[0m. [ 10.231283] systemd[1]: Created slice User and Session Slice. [[0;32m OK [0m] Created slice [0;1;39mUser and Session Slice[0m. [ 10.247212] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [[0;32m OK [0m] Started [0;1;39mDispatch Password …ts to Console Directory Watch[0m. [ 10.266189] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [[0;32m OK [0m] Started [0;1;39mForward Password R…uests to Wall Directory Watch[0m. [ 10.287739] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [[0;32m OK [0m] Set up automount [0;1;39mArbitrary…s File System Automount Point[0m. [ 10.308041] systemd[1]: Reached target Local Encrypted Volumes. [[0;32m OK [0m] Reached target [0;1;39mLocal Encrypted Volumes[0m. [ 10.324021] systemd[1]: Reached target Paths. [[0;32m OK [0m] Reached target [0;1;39mPaths[0m. [ 10.334908] systemd[1]: Reached target Remote File Systems. [[0;32m OK [0m] Reached target [0;1;39mRemote File Systems[0m. [ 10.350947] systemd[1]: Reached target Slices. [[0;32m OK [0m] Reached target [0;1;39mSlices[0m. [ 10.361908] systemd[1]: Reached target Swap. [[0;32m OK [0m] Reached target [0;1;39mSwap[0m. [ 10.373219] systemd[1]: Listening on initctl Compatibility Named Pipe. [[0;32m OK [0m] Listening on [0;1;39minitctl Compatibility Named Pipe[0m. [ 10.390903] systemd[1]: Listening on Journal Audit Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Audit Socket[0m. [ 10.407840] systemd[1]: Listening on Journal Socket (/dev/log). [[0;32m OK [0m] Listening on [0;1;39mJournal Socket (/dev/log)[0m. [ 10.424408] systemd[1]: Listening on Journal Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Socket[0m. [ 10.439786] systemd[1]: Listening on Network Service Netlink Socket. [[0;32m OK [0m] Listening on [0;1;39mNetwork Service Netlink Socket[0m. [ 10.457819] systemd[1]: Listening on udev Control Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Control Socket[0m. [ 10.473318] systemd[1]: Listening on udev Kernel Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Kernel Socket[0m. [ 10.490598] systemd[1]: Mounting Huge Pages File System... Mounting [0;1;39mHuge Pages File System[0m... [ 10.504077] systemd[1]: Mounting POSIX Message Queue File System... Mounting [0;1;39mPOSIX Message Queue File System[0m... [ 10.521086] systemd[1]: Mounting Kernel Debug File System... Mounting [0;1;39mKernel Debug File System[0m... [ 10.537086] systemd[1]: Mounting Kernel Trace File System... Mounting [0;1;39mKernel Trace File System[0m... [ 10.559953] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting [0;1;39mCreate list of st…odes for the current kernel[0m... [ 10.581127] systemd[1]: Starting Load Kernel Module configfs... Starting [0;1;39mLoad Kernel Module configfs[0m... [ 10.596456] systemd[1]: Starting Load Kernel Module drm... Starting [0;1;39mLoad Kernel Module drm[0m... [ 10.611388] systemd[1]: Starting Load Kernel Module fuse... Starting [0;1;39mLoad Kernel Module fuse[0m... [ 10.646312] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 10.656730] fuse: init (API version 7.32) [ 10.662633] systemd[1]: Starting Journal Service... Starting [0;1;39mJournal Service[0m... [ 10.678947] systemd[1]: Starting Load Kernel Modules... Starting [0;1;39mLoad Kernel Modules[0m... [ 10.692167] systemd[1]: Starting Remount Root and Kernel File Systems... Starting [0;1;39mRemount Root and Kernel File Systems[0m... [ 10.712333] systemd[1]: Starting Coldplug All udev Devices... Starting [0;1;39mColdplug All udev Devices[0m... [ 10.736073] systemd[1]: Mounted Huge Pages File System. [[0;32m OK [0m] Mounted [0;1;39mHuge Pages File System[0m. [ 10.751080] systemd[1]: Mounted POSIX Message Queue File System. [[0;32m OK [0m] Mounted [0;1;39mPOSIX Message Queue File System[0m. [ 10.767301] systemd[1]: Mounted Kernel Debug File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Debug File System[0m. [ 10.782019] systemd[1]: Mounted Kernel Trace File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Trace File System[0m. [ 10.798286] systemd[1]: Finished Create list of static device nodes for the current kernel. [[0;32m OK [0m] Finished [0;1;39mCreate list of st… nodes for the current kernel[0m. [ 10.820577] systemd[1]: modprobe@configfs.service: Succeeded. [ 10.827539] systemd[1]: Finished Load Kernel Module configfs. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module configfs[0m. [ 10.843604] systemd[1]: modprobe@drm.service: Succeeded. [ 10.850246] systemd[1]: Finished Load Kernel Module drm. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module drm[0m. [ 10.866040] systemd[1]: Started Journal Service. [[0;32m OK [0m] Started [0;1;39mJournal Service[0m. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module fuse[0m. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Modules[0m. [[0;32m OK [0m] Finished [0;1;39mRemount Root and Kernel File Systems[0m. Mounting [0;1;39mFUSE Control File System[0m... Mounting [0;1;39mKernel Configuration File System[0m... Starting [0;1;39mFlush Journal to Persistent Storage[0m... Starting [0;1;39mLoad/Save Random Seed[0m... Starting [0;1;39mApply Kernel Variables[0m... Starting [0;1;39mCreate System Users[0m... [ 10.969429] systemd-journald[198]: Received client request to flush runtime journal. [[0;32m OK [0m] Mounted [0;1;39mFUSE Control File System[0m. [[0;32m OK [0m] Mounted [0;1;39mKernel Configuration File System[0m. [[0;32m OK [0m] Finished [0;1;39mLoad/Save Random Seed[0m. [[0;32m OK [0m] Finished [0;1;39mApply Kernel Variables[0m. [[0;32m OK [0m] Finished [0;1;39mColdplug All udev Devices[0m. [[0;32m OK [0m] Finished [0;1;39mCreate System Users[0m. Starting [0;1;39mCreate Static Device Nodes in /dev[0m... [[0;32m OK [0m] Finished [0;1;39mFlush Journal to Persistent Storage[0m. [ 12.468937] systemd-tmpfile (209) used greatest stack depth: 12528 bytes left [[0;32m OK [0m] Finished [0;1;39mCreate Static Device Nodes in /dev[0m. [[0;32m OK [0m] Reached target [0;1;39mLocal File Systems (Pre)[0m. [[0;32m OK [0m] Reached target [0;1;39mLocal File Systems[0m. Starting [0;1;39mCreate Volatile Files and Directories[0m... Starting [0;1;39mRule-based Manage…for Device Events and Files[0m... [[0;32m OK [0m] Started [0;1;39mRule-based Manager for Device Events and Files[0m. Starting [0;1;39mNetwork Service[0m... [[0;32m OK [0m] Finished [0;1;39mCreate Volatile Files and Directories[0m. Starting [0;1;39mUpdate UTMP about System Boot/Shutdown[0m... [[0;32m OK [0m] Finished [0;1;39mUpdate UTMP about System Boot/Shutdown[0m. [[0;32m OK [0m] Reached target [0;1;39mSystem Initialization[0m. [[0;32m OK [0m] Started [0;1;39mDaily apt download activities[0m. [[0;32m OK [0m] Started [0;1;39mDaily apt upgrade and clean activities[0m. [[0;32m OK [0m] Started [0;1;39mPeriodic ext4 Onli…ata Check for All Filesystems[0m. [[0;32m OK [0m] Started [0;1;39mDiscard unused blocks once a week[0m. [[0;32m OK [0m] Started [0;1;39mDaily Cleanup of Temporary Directories[0m. [[0;32m OK [0m] Reached target [0;1;39mTimers[0m. [[0;32m OK [0m] Listening on [0;1;39mD-Bus System Message Bus Socket[0m. [[0;32m OK [0m] Reached target [0;1;39mSockets[0m. [[0;32m OK [0m] Reached target [0;1;39mBasic System[0m. [[0;32m OK [0m] Started [0;1;39mD-Bus System Message Bus[0m. Starting [0;1;39mRemove Stale Onli…t4 Metadata Check Snapshots[0m... Starting [0;1;39mUser Login Management[0m... [[0;32m OK [0m] Found device [0;1;39mSunrise Point-LP Serial IO UART Controller[0m. [[0;32m OK [0m] Created slice [0;1;39msystem-systemd\x2dbacklight.slice[0m. [[0;32m OK [0m] Listening on [0;1;39mLoad/Save RF …itch Status /dev/rfkill Watch[0m. Starting [0;1;39mLoad/Save Screen …f backlight:intel_backlight[0m... [[0;32m OK [0m] Started [0;1;39mNetwork Service[0m. Starting [0;1;39mNetwork Name Resolution[0m... [[0;32m OK [0m] Finished [0;1;39mLoad/Save Screen … of backlight:intel_backlight[0m. [[0;32m OK [0m] Started [0;1;39mUser Login Management[0m. [[0;32m OK [0m] Finished [0;1;39mRemove Stale Onli…ext4 Metadata Check Snapshots[0m. [[0;32m OK [0m] Started [0;1;39mNetwork Name Resolution[0m. [[0;32m OK [0m] Reached target [0;1;39mNetwork[0m. [[0;32m OK [0m] Reached target [0;1;39mHost and Network Name Lookups[0m. Starting [0;1;39mPermit User Sessions[0m... [[0;32m OK [0m] Finished [0;1;39mPermit User Sessions[0m. [[0;32m OK [0m] Started [0;1;39mGetty on tty1[0m. [[0;32m OK [0m] Started [0;1;39mSerial Getty on ttyS0[0m. [[0;32m OK [0m] Reached target [0;1;39mLogin Prompts[0m. [[0;32m OK [0m] Reached target [0;1;39mMulti-User System[0m. [[0;32m OK [0m] Reached target [0;1;39mGraphical Interface[0m. Starting [0;1;39mUpdate UTMP about System Runlevel Changes[0m... [[0;32m OK [0m] Finished [0;1;39mUpdate UTMP about System Runlevel Changes[0m. Debian GNU/Linux 11 debian-bullseye-amd64 ttyS0 debian-bullseye-amd64 login: root (automatic login) Linux debian-bullseye-amd64 5.10.128-cip10 #1 SMP Sat Jul 2 19:29:05 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/6734671/extract-nfsrootfs-0dxx8xrn' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/6734671/extract-nfsrootfs-0dxx8xrn' / # 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-6734671/environment . /lava-6734671/environment / # /lava-6734671/bin/lava-test-runner /lava-6734671/0 /lava-6734671/bin/lava-test-runner /lava-6734671/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-6734671/0/tests/0_timesync-off ++ cat uuid + UUID=6734671_1.5.2.3.1 + set +x + systemctl stop systemd-timesyncd Failed to stop systemd-timesyncd.service: Unit systemd-timesyncd.service not loaded. + true + set +x + export TESTRUN_ID=1_kselftest-lkdtm + TESTRUN_ID=1_kselftest-lkdtm + cd /lava-6734671/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=6734671_1.5.2.3.5 + set +x + cd ./automated/linux/kselftest/ + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s false -u http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.125-cip10-118-gb03e159be974/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz -L '' -S skipfile-lkft.yaml -b asus-C433TA-AJ0005-rammus -g cip-gitlab -e '' -p /opt/kselftests/mainline/ INFO: Generating a skipfile based on /lava-6734671/0/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). 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. --2022-07-02 19:39:21-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.125-cip10-118-gb03e159be974/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: 3459456 (3.3M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 50.15K 175KB/s kselftest.tar.xz 2%[ ] 99.64K 173KB/s kselftest.tar.xz 6%[> ] 228.81K 265KB/s kselftest.tar.xz 10%[=> ] 351.83K 305KB/s kselftest.tar.xz 14%[=> ] 476.27K 345KB/s kselftest.tar.xz 15%[==> ] 532.83K 327KB/s kselftest.tar.xz 19%[==> ] 653.03K 352KB/s kselftest.tar.xz 21%[===> ] 726.56K 352KB/s kselftest.tar.xz 24%[===> ] 818.47K 354KB/s kselftest.tar.xz 27%[====> ] 921.70K 363KB/s kselftest.tar.xz 29%[====> ] 986.75K 360KB/s kselftest.tar.xz 32%[=====> ] 1.07M 367KB/s kselftest.tar.xz 34%[=====> ] 1.13M 366KB/s eta 6s kselftest.tar.xz 37%[======> ] 1.24M 372KB/s eta 6s kselftest.tar.xz 39%[======> ] 1.31M 371KB/s eta 6s kselftest.tar.xz 42%[=======> ] 1.41M 375KB/s eta 6s kselftest.tar.xz 44%[=======> ] 1.48M 374KB/s eta 6s kselftest.tar.xz 47%[========> ] 1.58M 394KB/s eta 5s kselftest.tar.xz 50%[=========> ] 1.65M 400KB/s eta 5s kselftest.tar.xz 53%[=========> ] 1.76M 407KB/s eta 5s kselftest.tar.xz 55%[==========> ] 1.83M 407KB/s eta 5s kselftest.tar.xz 59%[==========> ] 1.95M 407KB/s eta 5s kselftest.tar.xz 61%[===========> ] 2.03M 416KB/s eta 3s kselftest.tar.xz 64%[===========> ] 2.14M 416KB/s eta 3s kselftest.tar.xz 67%[============> ] 2.22M 419KB/s eta 3s kselftest.tar.xz 70%[=============> ] 2.33M 423KB/s eta 3s kselftest.tar.xz 73%[=============> ] 2.43M 431KB/s eta 3s kselftest.tar.xz 76%[==============> ] 2.54M 437KB/s eta 2s kselftest.tar.xz 79%[==============> ] 2.64M 444KB/s eta 2s kselftest.tar.xz 83%[===============> ] 2.75M 449KB/s eta 2s kselftest.tar.xz 86%[================> ] 2.85M 454KB/s eta 2s kselftest.tar.xz 90%[=================> ] 2.97M 461KB/s eta 2s kselftest.tar.xz 93%[=================> ] 3.07M 470KB/s eta 1s kselftest.tar.xz 96%[==================> ] 3.20M 480KB/s eta 1s kselftest.tar.xz 100%[===================>] 3.30M 489KB/s in 7.9s 2022-07-02 19:39:29 (427 KB/s) - 'kselftest.tar.xz' saved [3459456/3459456] 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 ======================================== [ 52.854418] 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 [ 53.003927] lkdtm: Performing direct entry BUG [ 53.008971] ------------[ cut here ]------------ [ 53.014150] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 53.020184] invalid opcode: 0000 [#1] SMP PTI [ 53.025056] CPU: 1 PID: 723 Comm: cat Not tainted 5.10.128-cip10 #1 [ 53.032056] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 53.038865] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 53.043248] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 2a 71 02 [ 53.064230] RSP: 0018:ffffb0e581517e60 EFLAGS: 00010282 [ 53.070067] RAX: ffffffffb84b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 53.078037] RDX: 0000000000000000 RSI: ffff9caabac9bf70 RDI: ffffffffb90d9a70 [ 53.085997] RBP: ffffffffb9523298 R08: 0000000000000001 R09: 0000000000000001 [ 53.093956] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 53.101923] R13: ffffb0e581517f10 R14: ffffb0e581517f10 R15: ffff9caa460b7000 [ 53.109889] FS: 00007f3d925de580(0000) GS:ffff9caabac80000(0000) knlGS:0000000000000000 [ 53.118924] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.125338] CR2: 00007f3d923f7000 CR3: 0000000106050001 CR4: 00000000003706e0 [ 53.133305] Call Trace: [ 53.136033] direct_entry.cold+0x2c/0x38 [ 53.140412] full_proxy_write+0x56/0x80 [ 53.144690] vfs_write+0xea/0x390 [ 53.148387] ksys_write+0x68/0xe0 [ 53.152085] do_syscall_64+0x33/0x40 [ 53.156072] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.161723] RIP: 0033:0x7f3d92506f33 [ 53.165735] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 53.186735] RSP: 002b:00007ffea103c628 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 53.195188] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f3d92506f33 [ 53.203156] RDX: 0000000000000004 RSI: 00007f3d923f7000 RDI: 0000000000000001 [ 53.211123] RBP: 00007f3d923f7000 R08: 00007f3d923f6010 R09: 0000000000000000 [ 53.219089] R10: 00007f3d926011c0 R11: 0000000000000246 R12: 0000000000000001 [ 53.227056] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 53.235042] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 53.261484] ---[ end trace 6cc267e8849948dd ]--- [ 53.266674] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 53.271062] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 2a 71 02 [ 53.292059] RSP: 0018:ffffb0e581517e60 EFLAGS: 00010282 [ 53.297924] RAX: ffffffffb84b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 53.305895] RDX: 0000000000000000 RSI: ffff9caabac9bf70 RDI: ffffffffb90d9a70 [ 53.313867] RBP: ffffffffb9523298 R08: 0000000000000001 R09: 0000000000000001 [ 53.321840] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 53.329813] R13: ffffb0e581517f10 R14: ffffb0e581517f10 R15: ffff9caa460b7000 [ 53.337815] FS: 00007f3d925de580(0000) GS:ffff9caabac80000(0000) knlGS:0000000000000000 [ 53.346878] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.353322] CR2: 00007f3d923f7000 CR3: 0000000106050001 CR4: 00000000003706e0 # Segmentation fault # [ 53.003927] lkdtm: Performing direct entry BUG # [ 53.008971] ------------[ cut here ]------------ # [ 53.014150] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 53.020184] invalid opcode: 0000 [#1] SMP PTI # [ 53.025056] CPU: 1 PID: 723 Comm: cat Not tainted 5.10.128-cip10 #1 # [ 53.032056] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.038865] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 53.043248] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb[ 53.419793] lkdtm: Performing direct entry WARNING d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 0[ 53.428864] ------------[ cut here ]------------ 0 00 00 00 00 0f 1f 44 00 00 83 05 30 2a 71 02 # [ 53.064230][ 53.440257] WARNING: CPU: 0 PID: 759 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0xf/0x20 RSP: 0018:ffffb0e581517e60 EFLAGS: 00010282 # [ 53.070067] R[ 53.455764] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify AX: ffffffffb84b1ae0 RBX: 0000000000000001 RCX: 0000000000000000[ 53.488453] CPU: 0 PID: 759 Comm: cat Tainted: G D 5.10.128-cip10 #1 # [ 53.078037] RDX: 0000000000000000 RSI: ffff9caabac9bf70 R[ 53.503235] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 DI: ffffffffb90d9a70 # [ 53.085997] RBP: ffffffffb9523298 R08[ 53.516266] RIP: 0010:lkdtm_WARNING+0xf/0x20 : 0000000000000001 R09: 0000000000000001 # [ 53.093956] R10: [ 53.527274] Code: ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 2a 71 02 01 75 01 c3 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 53.554493] RSP: 0018:ffffb0e58157fe60 EFLAGS: 00010202 [ 53.101923] R13: ffffb0e581517f10 R14: ffffb0e581517f10 R15: [ 53.566530] RAX: ffffffffb84b1af0 RBX: 0000000000000002 RCX: 0000000000000000 ffff9caa460b7000 # [ 53.109889] FS: 00007f3d925de580(0000) G[ 53.580748] RDX: 0000000000000000 RSI: ffff9caabac1bf70 RDI: ffffffffb90d9a80 S:ffff9caabac80000(0000) knlGS:0000000000000000 # [ 53.118924[ 53.594981] RBP: ffffffffb94c7d97 R08: 0000000000000000 R09: 0000000000000000 ] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.12[ 53.609150] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 5338] CR2: 00007f3d923f7000 CR3: 0000000106050001 CR4: 000000000[ 53.623390] R13: ffffb0e58157ff10 R14: ffffb0e58157ff10 R15: ffff9caa43ebb000 03706e0 # [ 53.133305] Call Trace: # [ 53.136033] direct_[ 53.637588] FS: 00007f384e7a2580(0000) GS:ffff9caabac00000(0000) knlGS:0000000000000000 entry.cold+0x2c/0x38 # [ 53.140412] full_proxy_write+0x56/0x[ 53.652827] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 80 # [ 53.144690] vfs_write+0xea/0x390 # [ 53.148387] ks[ 53.665494] CR2: 00007f384e5bb000 CR3: 00000001058c6005 CR4: 00000000003706f0 ys_write+0x68/0xe0 # [ 53.152085] do_syscall_64+0x33/0x40 #[ 53.679666] Call Trace: [ 53.156072] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ [ 53.688597] direct_entry.cold+0x2c/0x38 53.161723] RIP: 0033:0x7f3d92506f33 # [ 53.165735] Code: 8b [ 53.699216] full_proxy_write+0x56/0x80 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 0[ 53.709753] vfs_write+0xea/0x390 0 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> [ 53.719651] ksys_write+0x68/0xe0 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 53.729563] do_syscall_64+0x33/0x40 # [ 53.186735] RSP: 002b:00007ffea103c628 EFLAGS: 00000246 ORI[ 53.739782] entry_SYSCALL_64_after_hwframe+0x44/0xa9 G_RAX: 0000000000000001 # [ 53.195188] RAX: ffffffffffffffda [ 53.751618] RIP: 0033:0x7f384e6caf33 RBX: 0000000000000004 RCX: 00007f3d92506f33 # [ 53.203156] RD[ 53.761818] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 X: 0000000000000004 RSI: 00007f3d923f7000 RDI: 0000000000000001[ 53.789008] RSP: 002b:00007ffe2f409218 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 53.211123] RBP: 00007f3d923f7000 R08: 00007f3d923f6010 R0[ 53.803704] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f384e6caf33 9: 0000000000000000 # [ 53.219089] R10: 00007f3d926011c0 R11:[ 53.817873] RDX: 0000000000000008 RSI: 00007f384e5bb000 RDI: 0000000000000001 0000000000000246 R12: 0000000000000001 # [ 53.227056] R13: 0[ 53.832103] RBP: 00007f384e5bb000 R08: 00007f384e5ba010 R09: 0000000000000000 000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [[ 53.846253] R10: 00007f384e7c51c0 R11: 0000000000000246 R12: 0000000000000001 53.235042] Modules linked in: fuse ip_tables cros_ec_sensors [ 53.860485] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf ind[ 53.874699] irq event stamp: 0 ustrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec[ 53.884306] hardirqs last enabled at (0): [<0000000000000000>] 0x0 _sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros[ 53.897566] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 _usbpd_notify # [ 53.261484] ---[ end trace 6cc267e8849948dd [ 53.912906] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 ]--- # [ 53.266674] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 53.27[ 53.928297] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 53.941500] ---[ end trace 6cc267e8849948de ]--- 1062] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 2a 71 02 # [ 53.292059] RSP: 0018:ffffb0e581517e60 EFLAGS: 00010282 # [ 53.297924] RAX: ffffffffb84b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 53.305895] RDX: 0000000000000000 RSI: ffff9caabac9bf70 RDI: ffffffffb90d9a70 # [ 53.313867] RBP: ffffffffb9523298 R08: 0000000000000001 R09: 0000000000000001 # [ 53.321840] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 53.329813] R13: ffffb0e581517[ 54.005515] lkdtm: Performing direct entry WARNING_MESSAGE f10 R14: ffffb0e581517f10 R15: ffff9caa460b7000 # [ 53.337815[ 54.014946] ------------[ cut here ]------------ ] FS: 00007f3d925de580(0000) GS:ffff9caabac80000(0000) knlGS:00[ 54.026312] Warning message trigger count: 2 00000000000000 # [ 53.346878] CS: 0010 DS: 0000 ES: 0000 CR0[ 54.037326] WARNING: CPU: 1 PID: 794 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 : 0000000080050033 # [ 53.353322] CR2: 00007f3d923f7000 CR3: [ 54.053745] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 54.086384] CPU: 1 PID: 794 Comm: cat Tainted: G D W 5.10.128-cip10 #1 0000000106050001 CR4: 00000000003706e0 # BUG: saw 'kernel BUG a[ 54.094942] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 t': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNI[ 54.107966] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 NG.sh # [ 53.419793] lkdtm: Performing direct entry WARNING [ 54.119825] Code: 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 8b 05 11 2a 71 02 48 c7 c7 f8 82 4c b9 8d 70 01 89 35 01 2a 71 02 e8 26 89 64 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 c7 # [ 53.428864] ------------[ cut here ]------------ # [ 53.[ 54.147026] RSP: 0018:ffffb0e581607e60 EFLAGS: 00010286 440257] WARNING: CPU: 0 PID: 759 at drivers/misc/lkdtm/bugs.c:83[ 54.159073] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 lkdtm_WARNING+0xf/0x20 # [ 53.455764] Modules linked in: fus[ 54.173259] RDX: ffff9caabacac660 RSI: ffff9caabac9bf70 RDI: ffff9caabac9bf70 e ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_tr[ 54.187447] RBP: ffffffffb94c7d9f R08: 0000000000000000 R09: 0000000000000000 iggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_li[ 54.201632] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 [ 54.215819] R13: ffffb0e581607f10 R14: ffffb0e581607f10 R15: ffff9caa43d01000 ghtbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_t[ 54.223790] FS: 00007faac525a580(0000) GS:ffff9caabac80000(0000) knlGS:0000000000000000 emp_thermal cros_ec_dev cros_usbpd_notify # [ 53.488453] CPU:[ 54.239043] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0 PID: 759 Comm: cat Tainted: G D 5.10.128-cip10[ 54.251685] CR2: 00007faac5073000 CR3: 0000000103970004 CR4: 00000000003706e0 [ 54.265869] Call Trace: #1 # [ 53.503235] Hardware name: Google Rammus/Rammus, BIOS [ 54.268599] direct_entry.cold+0x2c/0x38 09/04/2020 # [ 53.516266] RIP: 0010:lkdtm_WARNING+0xf/0x20 [ 54.279190] full_proxy_write+0x56/0x80 # [ 53.527274] Code: ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44[ 54.289694] vfs_write+0xea/0x390 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 [ 54.299606] ksys_write+0x68/0xe0 2a 71 02 01 75 01 c3 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00[ 54.309519] do_syscall_64+0x33/0x40 0f 1f 00 0f 1f 44 00 00 # [ 53.554493] RSP: 0018:ffffb0e5815[ 54.319741] entry_SYSCALL_64_after_hwframe+0x44/0xa9 7fe60 EFLAGS: 00010202 # [ 53.566530] RAX: ffffffffb84b1af0 R[ 54.331594] RIP: 0033:0x7faac5182f33 BX: 0000000000000002 RCX: 0000000000000000 # [ 53.580748] RDX[ 54.341797] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 : 0000000000000000 RSI: ffff9caabac1bf70 RDI: ffffffffb90d9a80 [ 54.368989] RSP: 002b:00007ffc5ddcdcb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 54.383679] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007faac5182f33 # [ 53.594981] RBP: ffffffffb94c7d97 R08: 0000000000000000 R09[ 54.391652] RDX: 0000000000000010 RSI: 00007faac5073000 RDI: 0000000000000001 [ 54.405839] RBP: 00007faac5073000 R08: 00007faac5072010 R09: 0000000000000000 : 0000000000000000 # [ 53.609150] R10: 00000000ffffe000 R11: [ 54.413811] R10: 00007faac527d1c0 R11: 0000000000000246 R12: 0000000000000001 [ 54.427990] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 3fffffffffffffff R12: 0000000000000008 # [ 53.623390] R13: ff[ 54.435963] irq event stamp: 0 [ 54.445581] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ffb0e58157ff10 R14: ffffb0e58157ff10 R15: ffff9caa43ebb000 # [ [ 54.452583] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 54.467922] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 53.637588] FS: 00007f384e7a2580(0000) GS:ffff9caabac00000(000[ 54.477059] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 54.490265] ---[ end trace 6cc267e8849948df ]--- 0) knlGS:0000000000000000 # [ 53.652827] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.665494] CR2: 00007f384e5bb000 CR3: 00000001058c6005 CR4: 00000000003706f0 # [ 53.679666] Call Trace: # [ 53.688597] direct_entry.cold+0x2c/0x38 # [ 53.699216] full_proxy_write+0x56/0x80 # [ 53.709753] vfs_write+0xea/0x390 # [ 53.719651] ksys_write+0x68/0xe0 # [ 53.729563] do_syscall_64+0x33/0x40 # [ 53.739782] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 53.751618] RIP: 0033:0x7f384e6caf33 # [ 53.761818] Code: 8b 15 61 ef 0c 00 f7 d8 6[ 54.550411] lkdtm: Performing direct entry EXCEPTION 4 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00[ 54.556909] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 54.570892] #PF: supervisor write access in kernel mode [ 54.576738] #PF: error_code(0x0002) - not-present page [ 54.582472] PGD 0 P4D 0 [ 54.585295] Oops: 0002 [#2] SMP PTI [ 54.589187] CPU: 1 PID: 826 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 54.597738] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.604543] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c[ 54.609503] Code: 48 c7 c7 f8 82 4c b9 8d 70 01 89 35 01 2a 71 02 e8 26 89 64 00 0f 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 [ 54.636695] RSP: 0018:ffffb0e581687e60 EFLAGS: 00010282 [ 54.642526] RAX: ffffffffb84b1b40 RBX: 0000000000000004 RCX: 0000000000000000 [ 54.650492] RDX: 0000000000000000 RSI: ffff9caabac9bf70 RDI: ffffffffb90d9aa0 [ 54.658458] RBP: ffffffffb93fd99f R08: 0000000000000000 R09: 0000000000000000 [ 54.666424] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 54.674390] R13: ffffb0e581687f10 R14: ffffb0e581687f10 R15: ffff9caa430e9000 [ 54.682358] FS: 00007fb9d1f91580(0000) GS:ffff9caabac80000(0000) knlGS:0000000000000000 [ 54.691394] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.697807] CR2: 0000000000000000 CR3: 0000000104030004 CR4: 00000000003706e0 [ 54.705773] Call Trace: [ 54.708499] direct_entry.cold+0x2c/0x38 [ 54.712878] full_proxy_write+0x56/0x80 3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 53.789008] RSP: [ 54.717157] vfs_write+0xea/0x390 [ 54.727063] ksys_write+0x68/0xe0 [ 54.730750] do_syscall_64+0x33/0x40 [ 54.734732] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.740370] RIP: 0033:0x7fb9d1eb9f33 [ 54.744348] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 54.765322] RSP: 002b:00007fff43c9a6b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 54.773775] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fb9d1eb9f33 [ 54.781742] RDX: 000000000000000a RSI: 00007fb9d1daa000 RDI: 0000000000000001 [ 54.789714] RBP: 00007fb9d1daa000 R08: 00007fb9d1da9010 R09: 0000000000000000 [ 54.797683] R10: 00007fb9d1fb41c0 R11: 0000000000000246 R12: 0000000000000001 [ 54.805650] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 002b:00007ffe2f409218 EFLAGS: 00000246 ORIG_RAX: 000000000000000[ 54.813620] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 54.846249] CR2: 0000000000000000 [ 54.849945] ---[ end trace 6cc267e8849948e0 ]--- [ 54.855096] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 54.859471] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 2a 71 02 [ 54.880447] RSP: 0018:ffffb0e581517e60 EFLAGS: 00010282 [ 54.886270] RAX: ffffffffb84b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.894236] RDX: 0000000000000000 RSI: ffff9caabac9bf70 RDI: ffffffffb90d9a70 [ 54.902202] RBP: ffffffffb9523298 R08: 0000000000000001 R09: 0000000000000001 [ 54.910167] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 54.918133] R13: ffffb0e581517f10 R14: ffffb0e581517f10 R15: ffff9caa460b7000 [ 54.926099] FS: 00007fb9d1f91580(0000) GS:ffff9caabac80000(0000) knlGS:0000000000000000 [ 54.935133] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.941545] CR2: 0000000000000000 CR3: 0000000104030004 CR4: 00000000003706e0 [ 54.949512] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 54.959421] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 826, name: cat [ 54.967775] INFO: lockdep is turned off. [ 54.972149] irq event stamp: 0 [ 54.975553] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 54.982549] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 54.991685] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 55.000818] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 55.007814] CPU: 1 PID: 826 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 55.016363] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.023164] Call Trace: [ 55.025891] dump_stack+0x77/0x97 [ 55.029586] ___might_sleep.cold+0xa6/0xb6 [ 55.034156] exit_signals+0x1c/0x2d0 [ 55.038134] do_exit+0xd5/0xb00 [ 55.041636] ? ksys_write+0x68/0xe0 [ 55.045526] rewind_stack_do_exit+0x17/0x20 [ 55.050192] RIP: 0033:0x7fb9d1eb9f33 [ 55.054178] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 55.075153] RSP: 002b:00007fff43c9a6b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.083606] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fb9d1eb9f33 [ 55.091573] RDX: 000000000000000a RSI: 00007fb9d1daa000 RDI: 0000000000000001 [ 55.099538] RBP: 00007fb9d1daa000 R08: 00007fb9d1da9010 R09: 0000000000000000 [ 55.107503] R10: 00007fb9d1fb41c0 R11: 0000000000000246 R12: 0000000000000001 [ 55.115468] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 1 # [ 53.803704] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f384e6caf33 # [ 53.817873] RDX: 0000000000000008 RSI: 00007f384e5bb000 RDI: 0000000000000001 # [ 53.832103] RBP: 00007f384e5bb000 R08: 00007f384e5ba010 R09: 0000000000000000 # [ 53.846253] R10: 00007f384e7c51c0 R11: 0000000000000246 R12: 0000000000000001 # [ 53.860485] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 53.874699] irq event stamp: 0 # [ 53.884306] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 53.897566] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 53.912906] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 53.928297] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 53.941500] ---[ end trace 6cc267e8849948de ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 54.005515] lkdtm: Performing direct entry WARNING_MESSAGE # [ 54.014946] ------------[ cut here ]------------ # [ 54.026312] Warning message trigger count: 2 # [ 54.037326] WARNING: CPU: 1 PID: 794 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 54.053745] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 54.086384] CPU: 1 PID: 794 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 54.094942] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.107966] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 54.119825] Code: 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 8b 05 11 2a 71 02 48 c7 c7 f8 82 4c b9 8d 70 01 89 35 01 2a 71 02 e8 26 89 64 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 c7 # [ 54.147026] RSP: 0018:ffffb0e581607e60 EFLAGS: 00010286 # [ 54.159073] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 54.173259] RDX: ffff9caabacac660 RSI: ffff9caabac9bf70 RDI: ffff9caabac9bf70 # [ 54.187447] RBP: ffffffffb94c7d9f R08: 0000000000000000 R09: 0000000000000000 # [ 54.201632] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 54.215819] R13: ffffb0e581607f10 R14: ffffb0e581607f10 R15: ffff9caa43d01000 # [ 54.223790] FS: 00007faac525a580(0000) GS:ffff9caabac80000(0000) knlGS:0000000000000000 # [ 54.239043] CS: 0010 DS:[ 55.368938] lkdtm: Performing direct entry CORRUPT_LIST_ADD 0000 ES: 0000 CR0: 0000000080050033 # [ 54.251685] CR2: 0000[ 55.378333] lkdtm: attempting good list addition 7faac5073000 CR3: 0000000103970004 CR4: 00000000003706e0 # [ [ 55.389709] lkdtm: attempting corrupted list addition 54.265869] Call Trace: # [ 54.268599] direct_entry.cold+0x2c[ 55.401570] lkdtm: list_add() corruption not detected! /0x38 # [ 54.279190] full_proxy_write+0x56/0x80 # [ 54.289694] vfs_write+0xea/0x390 # [ 54.299606] ksys_write+0x68/0xe0 # [ 54.309519] do_syscall_64+0x33/0x40 # [ 54.319741] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 54.331594] RIP: 0033:0x7faac5182f33 # [ 54.341797] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 54.368989] RSP: 002b:00007ffc5ddcdcb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 54.383679] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007faac5182f33 # [ 54.391652] RDX: 0000000000000010 RSI: 00007faac5073000 RDI: 0000000000000001 # [ 54.405839] RBP: 00007faac5073000 R08: 00007faac5072010 R09: 0000000000000000 # [ 54.413811] R10: 00007faac527d1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 54.427990] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 54.435963] i[ 55.513035] lkdtm: Performing direct entry CORRUPT_LIST_DEL rq event stamp: 0 # [ 54.445581] hardirqs last enabled at (0[ 55.519368] lkdtm: attempting good list removal ): [<0000000000000000>] 0x0 # [ 54.452583] hardirqs last disa[ 55.530641] lkdtm: attempting corrupted list removal [ 55.542386] lkdtm: list_del() corruption not detected! bled at (0): [] copy_process+0x63c/0x1c80 # [ 54.467922] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 54.477059] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 54.490265] ---[ end trace 6cc267e8849948df ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 54.550411] lkdtm: Performing direct entry EXCEPTION # [ 54.556909] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 54.570892] #PF: supervisor write access in kernel mode # [ 54.576738] #PF: error_code(0x0002) - not-present page # [ 54.582472] PGD 0 P4D 0 # [ 54.585295] Oops: 0002 [#2] SMP PTI # [ 54.589[ 55.617359] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING 187] CPU: 1 PID: 826 Comm: cat Tainted: G D W 5.10.[ 55.629740] lkdtm: attempting bad read from page below current stack 128-cip10 #1 # [ 54.597738] Hardware name: Google Rammus/Ramm[ 55.643076] BUG: stack guard page was hit at 00000000d4ae4720 (stack is 000000004738248c..000000004b7ec91d) [ 55.660141] kernel stack overflow (page fault): 0000 [#3] SMP PTI [ 55.666942] CPU: 0 PID: 1051 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 55.675589] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.682394] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a [ 55.688911] Code: 41 5c c3 0f 1f 44 00 00 53 48 c7 c7 98 86 4c b9 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 31 a4 fd ff 48 c7 c7 d8 86 4c b9 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 17 a4 fd ff 0f 1f 44 [ 55.709878] RSP: 0018:ffffb0e581a1fe50 EFLAGS: 00010246 [ 55.715710] RAX: 0000000000000038 RBX: ffffb0e581a1c000 RCX: 0000000000000000 [ 55.723678] RDX: 0000000000000000 RSI: ffff9caabac1bf70 RDI: ffffffffb94c86d8 [ 55.731646] RBP: ffffffffb94c7e02 R08: 0000000000000000 R09: 0000000000000000 [ 55.739616] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 [ 55.747584] R13: ffffb0e581a1ff10 R14: ffffb0e581a1ff10 R15: ffff9caa44ef1000 [ 55.755553] FS: 00007f6296287580(0000) GS:ffff9caabac00000(0000) knlGS:0000000000000000 [ 55.764588] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.771004] CR2: ffffb0e581a1bfff CR3: 0000000105a70001 CR4: 00000000003706f0 [ 55.778971] Call Trace: [ 55.781699] ? lkdtm_CORRUPT_LIST_DEL+0xdc/0xdc [ 55.786755] direct_entry.cold+0x2c/0x38 [ 55.791135] full_proxy_write+0x56/0x80 [ 55.795422] vfs_write+0xea/0x390 [ 55.799119] ksys_write+0x68/0xe0 [ 55.802808] do_syscall_64+0x33/0x40 [ 55.806788] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.812426] RIP: 0033:0x7f62961aff33 [ 55.816413] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 55.837394] RSP: 002b:00007ffe9e64a678 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.845847] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f62961aff33 [ 55.853816] RDX: 0000000000000019 RSI: 00007f62960a0000 RDI: 0000000000000001 [ 55.861783] RBP: 00007f62960a0000 R08: 00007f629609f010 R09: 0000000000000000 [ 55.869751] R10: 00007f62962aa1c0 R11: 0000000000000246 R12: 0000000000000001 [ 55.877717] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 55.885687] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 55.912122] ---[ end trace 6cc267e8849948e1 ]--- [ 55.917275] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 55.921643] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 2a 71 02 [ 55.942621] RSP: 0018:ffffb0e581517e60 EFLAGS: 00010282 [ 55.948444] RAX: ffffffffb84b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.956413] RDX: 0000000000000000 RSI: ffff9caabac9bf70 RDI: ffffffffb90d9a70 [ 55.964383] RBP: ffffffffb9523298 R08: 0000000000000001 R09: 0000000000000001 [ 55.972349] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 55.980317] R13: ffffb0e581517f10 R14: ffffb0e581517f10 R15: ffff9caa460b7000 [ 55.988286] FS: 00007f6296287580(0000) GS:ffff9caabac00000(0000) knlGS:0000000000000000 [ 55.997326] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.003741] CR2: ffffb0e581a1bfff CR3: 0000000105a70001 CR4: 00000000003706f0 [ 56.011711] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 56.021613] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1051, name: cat [ 56.030057] INFO: lockdep is turned off. [ 56.034432] irq event stamp: 0 [ 56.037838] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 56.044836] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 56.053970] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 56.063102] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 56.070101] CPU: 0 PID: 1051 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 56.078749] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.085552] Call Trace: [ 56.088280] dump_stack+0x77/0x97 [ 56.091977] ___might_sleep.cold+0xa6/0xb6 [ 56.096550] exit_signals+0x1c/0x2d0 [ 56.100539] do_exit+0xd5/0xb00 [ 56.104040] ? ksys_write+0x68/0xe0 [ 56.107932] rewind_stack_do_exit+0x17/0x20 [ 56.112600] RIP: 0033:0x7f62961aff33 [ 56.116580] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 56.137553] RSP: 002b:00007ffe9e64a678 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.146007] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f62961aff33 [ 56.153976] RDX: 0000000000000019 RSI: 00007f62960a0000 RDI: 0000000000000001 [ 56.161947] RBP: 00007f62960a0000 R08: 00007f629609f010 R09: 0000000000000000 [ 56.169916] R10: 00007f62962aa1c0 R11: 0000000000000246 R12: 0000000000000001 [ 56.177884] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 us, BIOS 09/04/2020 # [ 54.604543] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 54.609503] Code: 48 c7 c7 f8 82 4c b9 8d 70 01 89 35 01 2a 71 02 e8 26 89 64 00 0f 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 # [ 54.636695] RSP: 0018:ffffb0e581687e60 EFLAGS: 00010282 # [ 54.642526] RAX: ffffffffb84b1b40 RBX: 0000000000000004 RCX: 0000000000000000 # [ 54.650492] RDX: 0000000000000000 RSI: ffff9caabac9bf70 RDI: ffffffffb90d9aa0 # [ 54.658458] RBP: ffffffffb93fd99f R08: 0000000000000000 R09: 0000000000000000 # [ 54.666424] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 54.674390] R13: ffffb0e581687f10 R14: ffffb0e581687f10 R15: ffff9caa430e9000 # [ 54.682358] FS: 00007fb9d1f91580(0000) GS:ffff9caabac80000(0000) knlGS:0000000000000000 # [ 54.691394] CS: 0010[ 56.272340] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.697807] CR2: [ 56.279977] lkdtm: attempting bad read from page above current stack 0000000000000000 CR3: 0000000104030004 CR4: 00000000003706e0 # [ 56.293310] BUG: stack guard page was hit at 000000003decf473 (stack is 00000000dd98e752..00000000c0eee160) [ 56.310398] kernel stack overflow (page fault): 0000 [#4] SMP PTI [ 54.705773] Call Trace: # [ 54.708499] direct_entry.cold+[ 56.317204] CPU: 1 PID: 1084 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 56.332066] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.338872] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d 0x2c/0x38 # [ 54.712878] full_proxy_write+0x56/0x80 # [ 5[ 56.345483] Code: a4 fd ff 0f 1f 44 00 00 53 48 c7 c7 10 87 4c b9 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 f7 a3 fd ff 48 c7 c7 50 87 4c b9 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 da a3 fd ff [ 56.372686] RSP: 0018:ffffb0e581ac7e50 EFLAGS: 00010246 [ 56.378519] RAX: 0000000000000038 RBX: ffffb0e581ac4000 RCX: 0000000000000000 [ 56.386485] RDX: 0000000000000000 RSI: ffff9caabac9bf70 RDI: ffffffffb94c8750 [ 56.394451] RBP: ffffffffb94c7e1b R08: 0000000000000000 R09: 0000000000000000 [ 56.402416] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a [ 56.410383] R13: ffffb0e581ac7f10 R14: ffffb0e581ac7f10 R15: ffff9caa43ff6000 [ 56.418350] FS: 00007f825a560580(0000) GS:ffff9caabac80000(0000) knlGS:0000000000000000 [ 56.427385] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.433796] CR2: ffffb0e581ac8000 CR3: 00000001026f6005 CR4: 00000000003706e0 [ 56.441763] Call Trace: [ 56.444489] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a [ 56.450319] direct_entry.cold+0x2c/0x38 [ 56.454698] full_proxy_write+0x56/0x80 4.717157] vfs_write+0xea/0x390 # [ 54.727063] ksys_write+0x[ 56.458978] vfs_write+0xea/0x390 [ 56.468884] ksys_write+0x68/0xe0 [ 56.472582] do_syscall_64+0x33/0x40 [ 56.476569] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 56.482199] RIP: 0033:0x7f825a488f33 [ 56.486177] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 56.507153] RSP: 002b:00007fff73622828 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.515605] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f825a488f33 [ 56.523571] RDX: 000000000000001a RSI: 00007f825a379000 RDI: 0000000000000001 [ 56.531538] RBP: 00007f825a379000 R08: 00007f825a378010 R09: 0000000000000000 [ 56.539504] R10: 00007f825a5831c0 R11: 0000000000000246 R12: 0000000000000001 [ 56.547470] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 68/0xe0 # [ 54.730750] do_syscall_64+0x33/0x40 # [ 54.734[ 56.555438] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 56.588071] ---[ end trace 6cc267e8849948e2 ]--- [ 56.593223] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 56.597598] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 2a 71 02 [ 56.618574] RSP: 0018:ffffb0e581517e60 EFLAGS: 00010282 [ 56.624403] RAX: ffffffffb84b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 56.632370] RDX: 0000000000000000 RSI: ffff9caabac9bf70 RDI: ffffffffb90d9a70 [ 56.640336] RBP: ffffffffb9523298 R08: 0000000000000001 R09: 0000000000000001 [ 56.648301] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 56.656268] R13: ffffb0e581517f10 R14: ffffb0e581517f10 R15: ffff9caa460b7000 [ 56.664236] FS: 00007f825a560580(0000) GS:ffff9caabac80000(0000) knlGS:0000000000000000 [ 56.673261] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.679681] CR2: ffffb0e581ac8000 CR3: 00000001026f6005 CR4: 00000000003706e0 732] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 54.740370] RIP: 0033:0x7fb9d1eb9f33 # [ 54.744348] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 54.765322] RSP: 002b:00007fff43c9a6b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 54.773775] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fb9d1eb9f33 # [ 54.781742] RDX: 000000000000000a RSI: 00007fb9d1daa000 RDI: 0000000000000001 # [ 54.789714] RBP: 00007fb9d1daa000 R08: 00007fb9d1da9010 R09: 0000000000000000 # [ 54.797683] R10: 00007fb9d1fb41c0 R11: 0000000000000246 R12: 0000000000000001 # [ 54.805650] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 54.81362[ 56.764899] lkdtm: Performing direct entry UNSET_SMEP [ 56.774119] lkdtm: trying to clear SMEP normally [ 56.779282] ------------[ cut here ]------------ [ 56.784448] pinned CR4 bits changed: 0x100000!? [ 56.789517] WARNING: CPU: 3 PID: 1120 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x41/0x60 [ 56.799731] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sen[ 56.826187] CPU: 3 PID: 1120 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 56.841040] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.847837] RIP: 0010:native_write_cr4+0x41/0x60 [ 56.852989] Code: 08 31 00 48 39 c2 75 25 48 85 f6 75 01 c3 80 3d 76 eb c3 01 00 75 f6 48 c7 c7 00 79 40 b9 c6 05 66 eb c3 01 01 e8 85 a7 e3 00 <0f> 0b c3 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 c7 eb ac 66 [ 56.873959] RSP: 0018:ffffb0e581b3fe48 EFLAGS: 00010286 [ 56.879793] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 [ 56.887763] RDX: ffff9caabadac660 RSI: ffff9caabad9bf70 RDI: ffff9caabad9bf70 [ 56.895734] RBP: ffffffffb94c7e35 R08: 0000000000000000 R09: 0000000000000000 [ 56.903702] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 56.911683] R13: ffffb0e581b3ff10 R14: ffffb0e581b3ff10 R15: ffff9caa42641000 sors_core industrialio_triggered_buffer kfifo_buf industrialio c[ 56.919656] FS: 00007f3e76869580(0000) GS:ffff9caabad80000(0000) knlGS:0000000000000000 ros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub [ 56.934902] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.947535] CR2: 00007f3e76682000 CR3: 0000000104e8a005 CR4: 00000000003706e0 [ 56.955510] Call Trace: cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_noti[ 56.958245] lkdtm_UNSET_SMEP.cold+0x1d/0x103 [ 56.969319] direct_entry.cold+0x2c/0x38 fy # [ 54.846249] CR2: 0000000000000000 # [ 54.849945] ---[ 56.973701] full_proxy_write+0x56/0x80 [ end trace 6cc267e8849948e0 ]--- # [ 54.855096] RIP: 0010:lk[ 56.984192] vfs_write+0xea/0x390 dtm_BUG+0x5/0x10 # [ 54.859471] Code: 5b a5 ff 48 c7 c0 ea ff[ 56.994106] ksys_write+0x68/0xe0 ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 [ 57.004020] do_syscall_64+0x33/0x40 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00[ 57.014225] entry_SYSCALL_64_after_hwframe+0x44/0xa9 00 00 00 0f 1f 44 00 00 83 05 30 2a 71 02 # [ 54.880447] RSP[ 57.026083] RIP: 0033:0x7f3e76791f33 : 0018:ffffb0e581517e60 EFLAGS: 00010282 # [ 54.886270] RAX: [ 57.036289] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 ffffffffb84b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 57.063480] RSP: 002b:00007fff3d6f06e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.078153] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f3e76791f33 [ 54.894236] RDX: 0000000000000000 RSI: ffff9caabac9bf70 RDI: [ 57.086124] RDX: 000000000000000b RSI: 00007f3e76682000 RDI: 0000000000000001 ffffffffb90d9a70 # [ 54.902202] RBP: ffffffffb9523298 R08: 00[ 57.100308] RBP: 00007f3e76682000 R08: 00007f3e76681010 R09: 0000000000000000 [ 57.114493] R10: 00007f3e7688c1c0 R11: 0000000000000246 R12: 0000000000000001 00000000000001 R09: 0000000000000001 # [ 54.910167] R10: 0000[ 57.122464] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ [ 57.136651] irq event stamp: 0 [ 57.146268] hardirqs last enabled at (0): [<0000000000000000>] 0x0 54.918133] R13: ffffb0e581517f10 R14: ffffb0e581517f10 R15: ffff[ 57.153275] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 9caa460b7000 # [ 54.926099] FS: 00007fb9d1f91580(0000) GS:ff[ 57.168617] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 ff9caabac80000(0000) knlGS:0000000000000000 # [ 54.935133] CS[ 57.183966] softirqs last disabled at (0): [<0000000000000000>] 0x0 : 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.941545[ 57.197179] ---[ end trace 6cc267e8849948e3 ]--- [ 57.208550] lkdtm: ok: SMEP did not get cleared ] CR2: 0000000000000000 CR3: 0000000104030004 CR4: 0000000000370[ 57.213609] lkdtm: trying to clear SMEP with call gadget 6e0 # [ 54.949512] BUG: sleeping function called from invalid[ 57.225753] lkdtm: ok: SMEP removal was reverted context at include/linux/percpu-rwsem.h:49 # [ 54.959421] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 826, name: cat # [ 54.967775] INFO: lockdep is turned off. # [ 54.972149] irq event stamp: 0 # [ 54.975553] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 54.982549] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 54.991685] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 55.000818] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 55.007814] CPU: 1 PID: 826 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 55.016363] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.023164] Call Trace: # [ 55.025891] dump_stack+0x77/0x97 # [ 55.029586] ___might_sleep.cold+0xa6/0xb6 # [ 55.034156] exit_signals+0x1c/0x2d0 # [ 55.038134] do_exit+0xd5/0xb00 # [ 55.041636] ? ksys_write+0x68/0xe0 # [ 55.045526] rewind_stack_do_exit+0x17/0x20 # [ 55.050192] RIP: 0033:0x7fb9d1eb9f33 # [ 55.054178] Code: 8b 15 61 ef[ 57.341119] lkdtm: Performing direct entry DOUBLE_FAULT [ 57.348633] lkdtm: XFAIL: this test is ia32-only 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 55.075153] RSP: 002b:00007fff43c9a6b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 55.083606] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fb9d1eb9f33 # [ 55.091573] RDX: 000000000000000a RSI: 00007fb9d1daa000 RDI: 0000000000000001 # [ 55.099538] RBP: 00007fb9d1daa000 R08: 00007fb9d1da9010 R09: 0000000000000000 # [ 55.107503] R10: 00007fb9d1fb41c0 R11: 0000000000000246 R12: 0000000000000001 # [ 55.115468] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXCEPTION: saw 'call trace:': ok ok 5 selftests: lkdtm: EXCEPTION.sh # selftests: lkdtm: LOOP.sh # Skipping LOOP: Hangs the system ok 6 selftests: lkdtm: LOOP.sh # SKIP # selftests: lkdtm: EXHAUST_STACK.sh # Skipping EXHAUST_STACK: Corrupts memory on failure ok 7 selftests: lkdtm: EXHAUST_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK.sh # Skipping CORRUPT_STACK: Crashes entire system on success ok 8 selftests: lkdtm: CORRUPT_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK_STRONG.sh # Skipping CORRUPT_STACK_STRONG: Crashes entire system on success ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP # selftests: lkdtm: CORRUPT_LIST_ADD.sh # [ 55.368938] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 55.378333] lkdtm: attempting good list addition # [ 55.389709] lkdtm: attempting corrupted list addition # [ 55.401570] lkdtm: list_add() corruption not detect[ 57.506324] lkdtm: Performing direct entry CORRUPT_PAC ed! # CORRUPT_LIST_ADD: missing 'list_add corruption': [FAIL] [ 57.515188] lkdtm: XFAIL: this test is arm64-only not ok 10 selftests: lkdtm: CORRUPT_LIST_ADD.sh # exit=1 # selftests: lkdtm: CORRUPT_LIST_DEL.sh # [ 55.513035] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 55.519368] lkdtm: attempting good list removal # [ 55.530641] lkdtm: attempting corrupted list removal # [ 55.542386] 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 # Segmentation fault # [ 55.617359] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 55.629740] lkdtm: attempting bad read from page below current stack # [ 55.643076] BUG: stack guard page was hit at 00000000d4ae4720 (stack is 000000004738248c..000000004b7ec91d) # [ 55.660141] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 55.666942] CPU: 0 PID: 1051 [ 57.608164] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE [ 57.620877] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 55.675589] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.682394] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 55.688911] Code: 41 5c c3 0f 1f 44 00 00 53 48 c7 c7 98 86 4c b9 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 31 a4 fd ff 48 c7 c7 d8 86 4c b9 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 17 a4 fd ff 0f 1f 44 # [ 55.709878] RSP: 0018:ffffb0e581a1fe50 EFLAGS: 00010246 # [ 55.715710] RAX: 0000000000000038 RBX: ffffb0e581a1c000 RCX: 0000000000000000 # [ 55.723678] RDX: 0000000000000000 RSI: ffff9caabac1bf70 RDI: ffffffffb94c86d8 # [ 55.731646] RBP: ffffffffb94c7e02 R08: 0000000000000000 R09: 0000000000000000 # [ 55.739616] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 55.747584] R13: ffffb0e581a1ff10 R14: ffffb0e581a1ff10 R15: ffff9caa44ef1000 # [ 55.755553] FS: 00007f6296287580(0000) GS:ffff9caabac00000(0000) knlGS:0000000000000000 # [ 55.764588] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.771004] CR2: ffffb0e581a1bfff CR3: 0000000105a70001 CR4: 00000000003706f0 # [ 55.778971] Call Trace: # [ 55.781699] ? lkdtm_CORRUPT_LIST_DEL+0xdc/0xdc # [ 55.786755] direct_entry.cold+0x2c/0x38 # [ 55.791135] full_proxy_write+0x56/0x80 # [ 55.795422] vfs_write+0xea/0x390 # [ 55.799119] ksys_write+0x68/0xe0 # [ 55.802808] do_syscall_64+0x33/0x40 # [ 55.806788] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 55.812426] RIP: 0033:0x7f62961aff33 # [ 55.816413] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 55.837394] RSP: 002b:00007ffe9e64a678 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 55.845847] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f62961aff33 # [ 55.853816] RDX: 0000000000000019 RSI: 00007f62960a0000 RDI: 0000000000000001 # [ 55.861783] RBP: 000[ 57.822150] lkdtm: Performing direct entry READ_AFTER_FREE 07f62960a0000 R08: 00007f629609f010 R09: 0000000000000000 # [ [ 57.833575] lkdtm: Value in memory before free: 12345678 55.869751] R10: 00007f62962aa1c0 R11: 0000000000000246 R12: 000[ 57.845749] lkdtm: Attempting bad read from freed memory [ 57.857897] lkdtm: Memory was not poisoned 0000000000001 # [ 55.877717] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 55.885687] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 55.912122] ---[ end trace 6cc267e8849948e1 ]--- # [ 55.917275] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 55.921643] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 2a 71 02 # [ 55.942621] RSP: 0018:ffffb0e581517e60 EFLAGS: 00010282 # [ 55.948444] RAX: ffffffffb84b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.956413] RDX: 0000000000000000 RSI: ffff9caabac9bf70 RDI: ffffffffb90d9a70 # [ 55.964383] RBP: ffffffffb9523298 R08: 0000000000000001 R09: 0000000000000001 # [ 55.972349] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 55.980317] R13: ffffb0e581517f10 R14: ffffb0e581517f10 R15: ffff9caa460b7000 # [ 55.988286] FS: 00007f6296287580(0000) GS:ffff9caabac00000(0000) knlGS:0000000000000000 # [ 55.997326] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.003741] CR2: ffffb0e581a1bfff CR3: 0000000105a70001 CR4: 0000[ 57.997634] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE 0000003706f0 # [ 56.011711] BUG: sleeping function called fro[ 58.005929] lkdtm: Value in memory before free: 12345678 m invalid context at include/linux/percpu-rwsem.h:49 # [ 56.0[ 58.018079] lkdtm: Attempting to read from freed memory 21613] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 10[ 58.030130] lkdtm: Buddy page was not poisoned 51, name: cat # [ 56.030057] INFO: lockdep is turned off. # [ 56.034432] irq event stamp: 0 # [ 56.037838] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 56.044836] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 56.053970] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 56.063102] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 56.070101] CPU: 0 PID: 1051 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 56.078749] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.085552] Call Trace: # [ 56.088280] dump_stack+0x77/0x97 # [ 56.091977] ___might_sleep.cold+0xa6/0xb6 # [ 56.096550] exit_signals+0x1c/0x2d0 # [ 56.100539] do_exit+0xd5/0xb00 # [ 56.104040] ? ksys_write[ 58.120838] lkdtm: Performing direct entry SLAB_FREE_DOUBLE [ 58.128515] lkdtm: Attempting double slab free ... +0x68/0xe0 # [ 56.107932] rewind_stack_do_exit+0x17/0x20 # [ 56.112600] RIP: 0033:0x7f62961aff33 # [ 56.116580] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 56.137553] RSP: 002b:00007ffe9e64a678 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.146007] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f62961aff33 # [ 56.153976] RDX: 0000000000000019 RSI: 00007f62960a0000 RDI: 0000000000000001 # [ 56.161947] RBP: 00007f62960a0000 R08: 00007f629609f010 R09: 0000000000000000 # [ 56.169916] R10: 00007f62962aa1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 56.177884] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACK_GUARD_PAGE_LEADING: saw 'call trace:': ok ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # Segmentation fault # [ 56.272340] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 56.279977] lkdtm: attempting bad read from page above current stack # [ 56.293310] BUG: stack guard page was hit at 000000003decf473 (stack is 00000000dd98e752..00000000c0eee160) # [ 56.310398] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 56.317204] CPU: 1 PID: 1084 Comm: cat Tainted: G D W [ 58.266892] lkdtm: Performing direct entry SLAB_FREE_CROSS [ 58.276819] lkdtm: Attempting cross-cache slab free ... 5.10.128-cip10 #1 # [ 56.332066] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.338872] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 56.345483] Code: a4 fd ff 0f 1f 44 00 00 53 48 c7 c7 10 87 4c b9 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 f7 a3 fd ff 48 c7 c7 50 87 4c b9 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 da a3 fd ff # [ 56.372686] RSP: 0018:ffffb0e581ac7e50 EFLAGS: 00010246 # [ 56.378519] RAX: 0000000000000038 RBX: ffffb0e581ac4000 RCX: 0000000000000000 # [ 56.386485] RDX: 0000000000000000 RSI: ffff9caabac9bf70 RDI: ffffffffb94c8750 # [ 56.394451] RBP: ffffffffb94c7e1b R08: 0000000000000000 R09: 0000000000000000 # [ 56.402416] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 56.410383] R13: ffffb0e581ac7f10 R14: fff[ 58.361968] lkdtm: Performing direct entry SLAB_FREE_PAGE [ 58.369559] lkdtm: Attempting non-Slab slab free ... fb0e581ac7f10 R15: ffff9caa43ff6000 # [ 56.418350] FS: 00007f825a560580(0000) GS:ffff9caabac80000(0000) knlGS:0000000000000000 # [ 56.427385] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.433796] CR2: ffffb0e581ac8000 CR3: 00000001026f6005 CR4: 00000000003706e0 # [ 56.441763] Call Trace: # [ 56.444489] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a # [ 56.450319] direct_entry.cold+0x2c/0x38 # [ 56.454698] full_proxy_write+0x56/0x80 # [ 56.458978] vfs_write+0xea/0x390 # [ 56.468884] ksys_write+0x68/0xe0 # [ 56.472582] do_syscall_64+0x33/0x40 # [ 56.476569] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 56.482199] RIP: 0033:0x7f825a488f33 # [ 56.486177] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 56.507153] RSP: 002b:00007fff73622828 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.515605] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f825a488f33 # [ 56.523571] RDX: 000000000000001a RSI: 00007f825a379000 RDI: 0000000000000001 # [ 56.531538] RBP: 00007f825a379000 R08: 00007f825a378010 R09: 0000000000000000 # [ 56.539504] R10: 00007f825a5831c0 R11: 0000000000000246 R12: 0000000000000001 # [ 56.547470] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 56.555438] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 56.588071] ---[ end trace 6cc267e8849948e2 ]--- # [ 56.593223] RIP: 0010:lkdtm_BUG+0x5/[ 58.544614] lkdtm: Performing direct entry EXEC_DATA 0x10 # [ 56.597598] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2[ 58.554752] lkdtm: attempting ok execution at ffffffffb84b1eb0 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc [ 58.567482] lkdtm: attempting bad execution at ffffffffbabc4560 cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f[ 58.580317] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 58.594859] BUG: unable to handle page fault for address: ffffffffbabc4560 [ 58.602534] #PF: supervisor instruction fetch in kernel mode [ 58.608850] #PF: error_code(0x0011) - permissions violation [ 58.615070] PGD 1ce29067 P4D 1ce29067 PUD 1ce2a063 PMD 800000001e2000e3 [ 58.622553] Oops: 0011 [#5] SMP PTI [ 58.626442] CPU: 0 PID: 1627 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 58.635088] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.641891] RIP: 0010:data_area+0x0/0x40 [ 58.646266] Code: ff ff 00 03 21 44 aa 9c ff ff 00 02 21 44 aa 9c ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 [ 58.667242] RSP: 0018:ffffb0e58232fe48 EFLAGS: 00010246 [ 58.673065] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 58.681032] RDX: 0000000000000000 RSI: ffff9caabac1bf70 RDI: ffff9caabac1bf70 [ 58.688999] RBP: ffffffffbabc4560 R08: 0000000000000000 R09: 0000000000000000 [ 58.696966] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 58.704933] R13: ffffb0e58232ff10 R14: ffffb0e58232ff10 R15: ffff9caa429a5000 [ 58.712898] FS: 00007fdfbda0a580(0000) GS:ffff9caabac00000(0000) knlGS:0000000000000000 [ 58.721932] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.728344] CR2: ffffffffbabc4560 CR3: 0000000104b54005 CR4: 00000000003706f0 [ 58.736310] Call Trace: [ 58.739037] ? execute_location+0x48/0x56 [ 58.743508] ? direct_entry.cold+0x2c/0x38 [ 58.748079] ? full_proxy_write+0x56/0x80 [ 58.752552] ? vfs_write+0xea/0x390 [ 58.756440] ? ksys_write+0x68/0xe0 [ 58.760329] ? do_syscall_64+0x33/0x40 [ 58.764510] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.770344] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 58.796773] CR2: ffffffffbabc4560 [ 58.800467] ---[ end trace 6cc267e8849948e4 ]--- [ 58.805618] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 58.809994] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 2a 71 02 [ 58.830968] RSP: 0018:ffffb0e581517e60 EFLAGS: 00010282 [ 58.836799] RAX: ffffffffb84b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 58.844763] RDX: 0000000000000000 RSI: ffff9caabac9bf70 RDI: ffffffffb90d9a70 [ 58.852737] RBP: ffffffffb9523298 R08: 0000000000000001 R09: 0000000000000001 [ 58.860704] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 58.868690] R13: ffffb0e581517f10 R14: ffffb0e581517f10 R15: ffff9caa460b7000 [ 58.876682] FS: 00007fdfbda0a580(0000) GS:ffff9caabac00000(0000) knlGS:0000000000000000 [ 58.885730] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.892144] CR2: ffffffffbabc4560 CR3: 0000000104b54005 CR4: 00000000003706f0 [ 58.900111] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 58.910019] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1627, name: cat [ 58.918472] INFO: lockdep is turned off. [ 58.922846] irq event stamp: 0 [ 58.926250] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 58.933246] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 58.942378] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 58.951509] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 58.958505] CPU: 0 PID: 1627 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 58.967149] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.973951] Call Trace: [ 58.976682] dump_stack+0x77/0x97 [ 58.980378] ___might_sleep.cold+0xa6/0xb6 [ 58.984946] exit_signals+0x1c/0x2d0 [ 58.988932] do_exit+0xd5/0xb00 [ 58.992433] ? ksys_write+0x68/0xe0 [ 58.996323] rewind_stack_do_exit+0x17/0x20 [ 59.000979] RIP: 0033:0x7fdfbd932f33 [ 59.004967] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 59.025943] RSP: 002b:00007ffc8009e208 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.034394] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fdfbd932f33 [ 59.042361] RDX: 000000000000000a RSI: 00007fdfbd823000 RDI: 0000000000000001 [ 59.050329] RBP: 00007fdfbd823000 R08: 00007fdfbd822010 R09: 0000000000000000 [ 59.058296] R10: 00007fdfbda2d1c0 R11: 0000000000000246 R12: 0000000000000001 [ 59.066262] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 1f 44 00 00 83 05 30 2a 71 02 # [ 56.618574] RSP: 0018:ffffb0e581517e60 EFLAGS: 00010282 # [ 56.624403] RAX: ffffffffb84b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 56.632370] RDX: 0000000000000000 RSI: ffff9caabac9bf70 RDI: ffffffffb90d9a70 # [ 56.640336] RBP: ffffffffb9523298 R08: 0000000000000001 R09: 0000000000000001 # [ 56.648301] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 56.656268] R13: ffffb0e581517f10 R14: ffffb0e581517f10 R15: ffff9caa460b7000 # [ 56.664236] FS: 00007f825a560580(0000) GS:ffff9caabac80000(0000) knlGS:0000000000000000 # [ 56.673261] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.679681] CR2: ffffb0e581ac8000 CR3: 00000001026f6005 CR4: 00000000003706e0 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 56.764899] lkdtm: Performing direct entry UNSET_SMEP[ 59.163241] lkdtm: Performing direct entry EXEC_STACK # [ 56.774119] lkdtm: trying to clear SMEP normally # [ 5[ 59.173140] lkdtm: attempting ok execution at ffffffffb84b1eb0 6.779282] ------------[ cut here ]------------ # [ 56.784448][ 59.185892] lkdtm: attempting bad execution at ffffb0e5823bfe18 pinned CR4 bits changed: 0x100000!? # [ 56.789517] WARNING: [ 59.198701] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 59.213254] BUG: unable to handle page fault for address: ffffb0e5823bfe18 [ 59.220930] #PF: supervisor instruction fetch in kernel mode [ 59.227245] #PF: error_code(0x0011) - permissions violation [ 59.233464] PGD 100000067 P4D 100000067 PUD 100211067 PMD 103fe8067 PTE 8000000104ef7063 [ 59.242501] Oops: 0011 [#6] SMP PTI [ 59.246389] CPU: 0 PID: 1663 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 59.255035] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 59.261837] RIP: 0010:0xffffb0e5823bfe18 [ 59.266212] Code: 00 00 18 fe 3b 82 e5 b0 ff ff ad 5d b2 b8 ff ff ff ff 20 00 00 00 00 00 00 00 5e 7f 4c b9 ff ff ff ff d9 5e b2 b8 ff ff ff ff <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 [ 59.287181] RSP: 0018:ffffb0e5823bfdf8 EFLAGS: 00010246 [ 59.293011] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 59.300976] RDX: 0000000000000000 RSI: ffff9caabac1bf70 RDI: ffff9caabac1bf70 [ 59.308941] RBP: ffffb0e5823bfe18 R08: 0000000000000000 R09: 0000000000000000 [ 59.316907] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 59.324873] R13: ffffb0e5823bff10 R14: ffffb0e5823bff10 R15: ffff9caa43952000 [ 59.332839] FS: 00007f9ee63d3580(0000) GS:ffff9caabac00000(0000) knlGS:0000000000000000 [ 59.341873] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.348286] CR2: ffffb0e5823bfe18 CR3: 00000001029b2005 CR4: 00000000003706f0 [ 59.356252] Call Trace: [ 59.358979] ? execute_location+0x48/0x56 [ 59.363457] ? lkdtm_EXEC_STACK+0x26/0x40 [ 59.367929] ? direct_entry.cold+0x2c/0x38 [ 59.372498] ? full_proxy_write+0x56/0x80 [ 59.376969] ? vfs_write+0xea/0x390 [ 59.380858] ? ksys_write+0x68/0xe0 [ 59.384749] ? do_syscall_64+0x33/0x40 [ 59.388931] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 59.394754] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 59.421182] CR2: ffffb0e5823bfe18 [ 59.424877] ---[ end trace 6cc267e8849948e5 ]--- [ 59.430031] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 59.434406] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 2a 71 02 [ 59.455381] RSP: 0018:ffffb0e581517e60 EFLAGS: 00010282 [ 59.461211] RAX: ffffffffb84b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 59.469177] RDX: 0000000000000000 RSI: ffff9caabac9bf70 RDI: ffffffffb90d9a70 [ 59.477144] RBP: ffffffffb9523298 R08: 0000000000000001 R09: 0000000000000001 [ 59.485111] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 59.493078] R13: ffffb0e581517f10 R14: ffffb0e581517f10 R15: ffff9caa460b7000 [ 59.501046] FS: 00007f9ee63d3580(0000) GS:ffff9caabac00000(0000) knlGS:0000000000000000 [ 59.510080] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.516493] CR2: ffffb0e5823bfe18 CR3: 00000001029b2005 CR4: 00000000003706f0 CPU: 3 PID: 1120 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x41/0x60 # [ 56.799731] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 56.826187] CPU: 3 PID: 1120 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 56.841040] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.847837] RIP: 0010:native_write_cr4+0x41/0x60 # [ 56.852989] Code: 08 31 00 48 39 c2 75 25 48 85 f6 75 01 c3 80 3d 76 eb c3 01 00 75 f6 48 c7 c7 00 79 40 b9 c6 05 66 eb c3 01 01 e8 85 a7 e3 00 <0f> 0b c3 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 c7 eb ac 66 # [ 56.873959] RSP: 0018:ffffb0e581b3fe48 EFLAGS: 00010286 # [ 56.879793] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 # [ 56.887763] RDX: ffff9caabadac660 RSI: ffff9caabad9bf70 RDI: ffff9caabad9bf70 # [ 56.895734] RBP: ffffffffb94c7e35 R08: 0000000000000000 R09: 0000000000000000 # [ 56.903702] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 56.911683] R13: ffffb0e581b3ff10 R14: ffffb0e581b3ff10 R15: ffff9caa42641000 # [ 56.919656] FS: 00007f3e76869580(0000) GS:ffff9caabad80000(0000) knlGS:0000000000000000 # [ 56.934902] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.947535] CR2: 00007f3e76682000 CR3: 0000000104e8a005 CR4: 00000000003706e0 # [ 56.955510] Call Trace: # [ 56.958245] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 56.969319] direct_entry.cold+0x2c/0x38 # [ 56.973701] full_proxy_write+0x56/0x80 # [ 56.984192] vfs_write+0xea/0x390 # [ 56.994106] ksys_write+0x68/0xe0 # [ 57.004020] do_syscall_64+0x33/0x40 # [ 57.014225] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 57.026083] RIP: 0033:0x7f3e76791f33[ 59.707401] lkdtm: Performing direct entry EXEC_KMALLOC [ 59.716801] lkdtm: attempting ok execution at ffffffffb84b1eb0 # [ 57.036289] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c[ 59.723342] lkdtm: attempting bad execution at ffff9caa460f0140 [ 59.736189] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) 0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14[ 59.744553] BUG: unable to handle page fault for address: ffff9caa460f0140 [ 59.758443] #PF: supervisor instruction fetch in kernel mode [ 59.764751] #PF: error_code(0x0011) - permissions violation [ 59.770969] PGD 1e401067 P4D 1e401067 PUD 10084e063 PMD 1060ad063 PTE 80000001060f0163 [ 59.779812] Oops: 0011 [#7] SMP PTI [ 59.783702] CPU: 3 PID: 1699 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 59.792349] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 59.799151] RIP: 0010:0xffff9caa460f0140 [ 59.803525] Code: 00 00 90 10 00 00 00 00 00 00 c0 00 0f 46 aa 9c ff ff 08 b1 02 00 00 00 00 00 00 00 00 00 40 00 38 00 09 00 40 00 18 00 17 00 <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 [ 59.824501] RSP: 0018:ffffb0e582447e38 EFLAGS: 00010246 [ 59.830325] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 59.838290] RDX: 0000000000000000 RSI: ffff9caabad9bf70 RDI: ffff9caabad9bf70 [ 59.846257] RBP: ffff9caa460f0140 R08: 0000000000000000 R09: 0000000000000000 [ 59.854222] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 59.862188] R13: ffffb0e582447f10 R14: ffffb0e582447f10 R15: ffff9caa44b32000 [ 59.870154] FS: 00007f2623a45580(0000) GS:ffff9caabad80000(0000) knlGS:0000000000000000 [ 59.879187] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.885600] CR2: ffff9caa460f0140 CR3: 0000000103ec4004 CR4: 00000000003706e0 [ 59.893565] Call Trace: [ 59.896293] ? execute_location+0x48/0x56 [ 59.900766] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 [ 59.905431] ? direct_entry.cold+0x2c/0x38 [ 59.910001] ? full_proxy_write+0x56/0x80 [ 59.914474] ? vfs_write+0xea/0x390 [ 59.918363] ? ksys_write+0x68/0xe0 [ 59.922255] ? do_syscall_64+0x33/0x40 [ 59.926436] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 59.932268] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 4[ 59.958716] CR2: ffff9caa460f0140 [ 59.968623] ---[ end trace 6cc267e8849948e6 ]--- [ 59.973775] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 59.978150] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 2a 71 02 [ 59.999125] RSP: 0018:ffffb0e581517e60 EFLAGS: 00010282 [ 60.004955] RAX: ffffffffb84b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 60.012921] RDX: 0000000000000000 RSI: ffff9caabac9bf70 RDI: ffffffffb90d9a70 [ 60.020888] RBP: ffffffffb9523298 R08: 0000000000000001 R09: 0000000000000001 [ 60.028855] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 60.036822] R13: ffffb0e581517f10 R14: ffffb0e581517f10 R15: ffff9caa460b7000 [ 60.044790] FS: 00007f2623a45580(0000) GS:ffff9caabad80000(0000) knlGS:0000000000000000 [ 60.053825] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.060239] CR2: ffff9caa460f0140 CR3: 0000000103ec4004 CR4: 00000000003706e0 [ 60.068206] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 60.078116] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1699, name: cat [ 60.086570] INFO: lockdep is turned off. [ 60.090943] irq event stamp: 0 [ 60.094346] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 60.101344] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 60.110477] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 60.119609] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 60.126604] CPU: 3 PID: 1699 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 60.135251] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 60.142053] Call Trace: [ 60.144779] dump_stack+0x77/0x97 [ 60.148475] ___might_sleep.cold+0xa6/0xb6 [ 60.153045] exit_signals+0x1c/0x2d0 [ 60.157032] do_exit+0xd5/0xb00 [ 60.160532] ? ksys_write+0x68/0xe0 [ 60.164423] rewind_stack_do_exit+0x17/0x20 [ 60.169088] RIP: 0033:0x7f262396df33 [ 60.173080] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 60.194057] RSP: 002b:00007ffc0a8518f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.202509] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f262396df33 [ 60.210475] RDX: 000000000000000d RSI: 00007f262385e000 RDI: 0000000000000001 [ 60.218441] RBP: 00007f262385e000 R08: 00007f262385d010 R09: 0000000000000000 [ 60.226407] R10: 00007f2623a681c0 R11: 0000000000000246 R12: 0000000000000001 [ 60.234372] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 8 83 ec 28 48 89 54 24 18 # [ 57.063480] RSP: 002b:00007fff3d6f06e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 57.078153] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f3e76791f33 # [ 57.086124] RDX: 000000000000000b RSI: 00007f3e76682000 RDI: 0000000000000001 # [ 57.100308] RBP: 00007f3e76682000 R08: 00007f3e76681010 R09: 0000000000000000 # [ 57.114493] R10: 00007f3e7688c1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 57.122464] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 57.136651] irq event stamp: 0 # [ 57.146268] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 57.153275] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 57.168617] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 57.183966] softirqs last disabled at (0): [<0000000[ 60.326541] lkdtm: Performing direct entry EXEC_VMALLOC 000000000>] 0x0 # [ 57.197179] ---[ end trace 6cc267e8849948e[ 60.335248] lkdtm: attempting ok execution at ffffffffb84b1eb0 3 ]--- # [ 57.208550] lkdtm: ok: SMEP did not get cleared # [ 60.347970] lkdtm: attempting bad execution at ffffb0e58067f000 [ 57.213609] lkdtm: trying to clear SMEP with call gadget # [[ 60.360792] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 60.375360] BUG: unable to handle page fault for address: ffffb0e58067f000 [ 60.383037] #PF: supervisor instruction fetch in kernel mode [ 60.389354] #PF: error_code(0x0011) - permissions violation 57.225753] lkdtm: ok: SMEP removal was reverted # UNSET_SMEP[ 60.395575] PGD 100000067 P4D 100000067 PUD 100211067 PMD 104e17067 PTE 800000010299a063 [ 60.410832] Oops: 0011 [#8] SMP PTI [ 60.414734] CPU: 1 PID: 1735 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 60.423380] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 60.430182] RIP: 0010:0xffffb0e58067f000 [ 60.434550] Code: Unable to access opcode bytes at RIP 0xffffb0e58067efd6. [ 60.442226] RSP: 0018:ffffb0e5824b7e38 EFLAGS: 00010246 [ 60.448056] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 60.456022] RDX: 0000000000000000 RSI: ffff9caabac9bf70 RDI: ffff9caabac9bf70 [ 60.463990] RBP: ffffb0e58067f000 R08: 0000000000000000 R09: 0000000000000000 [ 60.471958] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 60.479925] R13: ffffb0e5824b7f10 R14: ffffb0e5824b7f10 R15: ffff9caa4299a000 [ 60.487892] FS: 00007f1988e61580(0000) GS:ffff9caabac80000(0000) knlGS:0000000000000000 [ 60.496925] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.503339] CR2: ffffb0e58067efd6 CR3: 00000001028d0006 CR4: 00000000003706e0 [ 60.511304] Call Trace: [ 60.514030] ? execute_location+0x48/0x56 : saw 'pinned CR4 bits changed:': ok ok 14 selftests: lkdtm: UN[ 60.518507] ? lkdtm_EXEC_VMALLOC+0x20/0x30 [ 60.529382] ? direct_entry.cold+0x2c/0x38 [ 60.533952] ? full_proxy_write+0x56/0x80 [ 60.538425] ? vfs_write+0xea/0x390 [ 60.542315] ? ksys_write+0x68/0xe0 [ 60.546206] ? do_syscall_64+0x33/0x40 [ 60.550388] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 SET_SMEP.sh # selftests: lkdtm: DOUBLE_FAULT.sh # [ 57.34111[ 60.556211] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 60.588841] CR2: ffffb0e58067f000 [ 60.592535] ---[ end trace 6cc267e8849948e7 ]--- [ 60.597688] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 60.602053] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 2a 71 02 [ 60.623031] RSP: 0018:ffffb0e581517e60 EFLAGS: 00010282 [ 60.628863] RAX: ffffffffb84b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 60.636829] RDX: 0000000000000000 RSI: ffff9caabac9bf70 RDI: ffffffffb90d9a70 [ 60.644796] RBP: ffffffffb9523298 R08: 0000000000000001 R09: 0000000000000001 [ 60.652764] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 60.660731] R13: ffffb0e581517f10 R14: ffffb0e581517f10 R15: ffff9caa460b7000 [ 60.668699] FS: 00007f1988e61580(0000) GS:ffff9caabac80000(0000) knlGS:0000000000000000 [ 60.677732] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.684144] CR2: ffffb0e58067efd6 CR3: 00000001028d0006 CR4: 00000000003706e0 9] lkdtm: Performing direct entry DOUBLE_FAULT # [ 57.348633] 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 # [ 57.506324] lkdtm: Performing direct entry CORRUPT_PAC # [ 57.515188] 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 # [ 57.608164] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 57.620877] 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: OVER[ 60.761384] lkdtm: Performing direct entry EXEC_RODATA [ 60.772445] lkdtm: attempting ok execution at ffffffffb84b1eb0 [ 60.778967] lkdtm: attempting bad execution at ffffffffb90d9f00 [ 60.785600] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) WRITE_ALLOCATION.sh # Skipping OVERWRITE_ALLOCATION: Corrupts m[ 60.793964] BUG: unable to handle page fault for address: ffffffffb90d9f00 [ 60.807855] #PF: supervisor instruction fetch in kernel mode [ 60.814174] #PF: error_code(0x0011) - permissions violation [ 60.820386] PGD 1ce29067 P4D 1ce29067 PUD 1ce2a063 PMD 800000001c8000e1 emory on failure ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.s[ 60.827875] Oops: 0011 [#9] SMP PTI [ 60.837979] CPU: 3 PID: 1771 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 60.846624] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 60.853429] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 [ 60.859163] Code: ff ff d9 72 b2 b8 ff ff ff ff aa 81 4c b9 ff ff ff ff 8f 5a b2 b8 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 [ 60.880140] RSP: 0018:ffffb0e58255fe48 EFLAGS: 00010246 [ 60.885972] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 60.893939] RDX: 0000000000000000 RSI: ffff9caabad9bf70 RDI: ffff9caabad9bf70 [ 60.901907] RBP: ffffffffb90d9f00 R08: 0000000000000000 R09: 0000000000000000 [ 60.909872] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 60.917840] R13: ffffb0e58255ff10 R14: ffffb0e58255ff10 R15: ffff9caa439a5000 [ 60.925807] FS: 00007fcee658e580(0000) GS:ffff9caabad80000(0000) knlGS:0000000000000000 [ 60.934842] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.941255] CR2: ffffffffb90d9f00 CR3: 0000000105b7e001 CR4: 00000000003706e0 [ 60.949221] Call Trace: [ 60.951947] ? execute_location+0x48/0x56 [ 60.956420] ? direct_entry.cold+0x2c/0x38 [ 60.960990] ? full_proxy_write+0x56/0x80 [ 60.965463] ? vfs_write+0xea/0x390 [ 60.969343] ? ksys_write+0x68/0xe0 [ 60.973234] ? do_syscall_64+0x33/0x40 [ 60.977415] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 60.983248] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify h # SKIP # selftests: lkdtm: WRITE_AFTER_FREE.sh # Skipping WR[ 61.009701] CR2: ffffffffb90d9f00 [ 61.019608] ---[ end trace 6cc267e8849948e8 ]--- [ 61.024752] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 61.029126] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 2a 71 02 [ 61.050101] RSP: 0018:ffffb0e581517e60 EFLAGS: 00010282 [ 61.055933] RAX: ffffffffb84b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 61.063900] RDX: 0000000000000000 RSI: ffff9caabac9bf70 RDI: ffffffffb90d9a70 [ 61.071864] RBP: ffffffffb9523298 R08: 0000000000000001 R09: 0000000000000001 [ 61.079830] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 61.087796] R13: ffffb0e581517f10 R14: ffffb0e581517f10 R15: ffff9caa460b7000 [ 61.095761] FS: 00007fcee658e580(0000) GS:ffff9caabad80000(0000) knlGS:0000000000000000 [ 61.104796] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.111209] CR2: ffffffffb90d9f00 CR3: 0000000105b7e001 CR4: 00000000003706e0 [ 61.119177] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 61.129084] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1771, name: cat [ 61.137535] INFO: lockdep is turned off. [ 61.141909] irq event stamp: 0 [ 61.145314] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 61.152302] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 61.161435] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 61.170557] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 61.177552] CPU: 3 PID: 1771 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 61.186197] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 61.192997] Call Trace: [ 61.195733] dump_stack+0x77/0x97 [ 61.199429] ___might_sleep.cold+0xa6/0xb6 [ 61.203999] exit_signals+0x1c/0x2d0 [ 61.207987] do_exit+0xd5/0xb00 [ 61.211489] ? ksys_write+0x68/0xe0 [ 61.215370] rewind_stack_do_exit+0x17/0x20 [ 61.220036] RIP: 0033:0x7fcee64b6f33 [ 61.224021] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 61.244996] RSP: 002b:00007ffdf81b8168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 61.253449] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fcee64b6f33 [ 61.261415] RDX: 000000000000000c RSI: 00007fcee63a7000 RDI: 0000000000000001 [ 61.269383] RBP: 00007fcee63a7000 R08: 00007fcee63a6010 R09: 0000000000000000 [ 61.277350] R10: 00007fcee65b11c0 R11: 0000000000000246 R12: 0000000000000001 [ 61.285315] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ITE_AFTER_FREE: Corrupts memory on failure ok 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_AFTER_FREE.sh # [ 57.822150] lkdtm: Performing direct entry READ_AFTER_FREE # [ 57.833575] lkdtm: Value in memory before free: 12345678 # [ 57.845749] lkdtm: Attempting bad read from freed memory # [ 57.857897] 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 # [ 57.997634] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 58.005929] lkdtm: Value in memory before free: 12345678 # [ 58.018079] lkdtm: Attempting to read from freed memory # [ 58.030130] 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 # [ 58.120838] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 58.128515] 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 # [ 58.266892] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 58.276819] lkdtm: Attempting cross-cache slab free ... # SLAB_FREE_CROSS: missing 'call trace:': [FAIL] not ok 24 selftests: lkdtm: SLAB_FREE_CROSS.s[ 61.444505] lkdtm: Performing direct entry EXEC_USERSPACE h # exit=1 # selftests: lkdtm: SLAB_FREE_PAGE.sh # [ 58.3619[ 61.454772] lkdtm: attempting ok execution at ffffffffb84b1eb0 68] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 58.3695[ 61.467510] lkdtm: attempting bad execution at 00007f3473f69000 59] lkdtm: Attempting non-Slab slab free ... # SLAB_FREE_PAGE: [ 61.480330] unable to execute userspace code (SMEP?) (uid: 0) [ 61.492920] BUG: unable to handle page fault for address: 00007f3473f69000 [ 61.500596] #PF: supervisor instruction fetch in kernel mode [ 61.506911] #PF: error_code(0x0011) - permissions violation [ 61.513129] PGD 8000000103ea4067 P4D 8000000103ea4067 PUD 105ad7067 PMD 104c20067 PTE 107ef3067 [ 61.522838] Oops: 0011 [#10] SMP PTI [ 61.526825] CPU: 0 PID: 1808 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 61.535464] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 61.542266] RIP: 0010:0x7f3473f69000 [ 61.546252] Code: Unable to access opcode bytes at RIP 0x7f3473f68fd6. [ 61.553539] RSP: 0018:ffffb0e5825f7e50 EFLAGS: 00010246 [ 61.559370] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 [ 61.567338] RDX: 0000000000000000 RSI: ffff9caabac1bf70 RDI: ffff9caabac1bf70 [ 61.575305] RBP: 00007f3473f69000 R08: 0000000000000000 R09: 0000000000000000 [ 61.583273] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f [ 61.591239] R13: ffffb0e5825f7f10 R14: ffffb0e5825f7f10 R15: ffff9caa460a2000 [ 61.599208] FS: 00007f3473f3a580(0000) GS:ffff9caabac00000(0000) knlGS:0000000000000000 [ 61.608242] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.614679] CR2: 00007f3473f69000 CR3: 0000000102780004 CR4: 00000000003706f0 [ 61.622646] Call Trace: [ 61.625374] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae [ 61.630728] ? direct_entry.cold+0x2c/0x38 [ 61.635298] ? full_proxy_write+0x56/0x80 [ 61.639763] ? vfs_write+0xea/0x390 [ 61.643653] ? ksys_write+0x68/0xe0 [ 61.647568] ? do_syscall_64+0x33/0x40 [ 61.651750] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 61.657582] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 61.684013] CR2: 00007f3473f69000 [ 61.687723] ---[ end trace 6cc267e8849948e9 ]--- [ 61.692881] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 61.697257] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 2a 71 02 [ 61.718224] RSP: 0018:ffffb0e581517e60 EFLAGS: 00010282 [ 61.724056] RAX: ffffffffb84b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 61.732021] RDX: 0000000000000000 RSI: ffff9caabac9bf70 RDI: ffffffffb90d9a70 [ 61.739987] RBP: ffffffffb9523298 R08: 0000000000000001 R09: 0000000000000001 [ 61.747952] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 61.755918] R13: ffffb0e581517f10 R14: ffffb0e581517f10 R15: ffff9caa460b7000 [ 61.763885] FS: 00007f3473f3a580(0000) GS:ffff9caabac00000(0000) knlGS:0000000000000000 [ 61.772921] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.779335] CR2: 00007f3473f69000 CR3: 0000000102780004 CR4: 00000000003706f0 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 # Killed # [ 58.544614] lkdtm: Performing direct entry EXEC_DATA # [ 58.554752] lkdtm: attempting ok execution at ffffffffb84b1eb0 # [ 58.567482] lkdtm: attempting bad execution at ffffffffbabc4560 # [ 58.580317] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 58.594859] BUG: unable to handle page fault for address: ffffffffbabc4560 # [ 58.602534] #PF: supervisor instruct[ 61.885757] lkdtm: Performing direct entry EXEC_NULL [ 61.892309] lkdtm: attempting ok execution at ffffffffb84b1eb0 [ 61.898839] lkdtm: attempting bad execution at 0000000000000000 [ 61.905470] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 61.913252] #PF: supervisor instruction fetch in kernel mode [ 61.919568] #PF: error_code(0x0010) - not-present page [ 61.925302] PGD 0 P4D 0 [ 61.928125] Oops: 0010 [#11] SMP PTI [ 61.932112] CPU: 3 PID: 1844 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 61.940758] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 61.947561] RIP: 0010:0x0 [ 61.950481] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 61.958146] RSP: 0018:ffffb0e582687e48 EFLAGS: 00010246 [ 61.963977] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 61.971943] RDX: 0000000000000000 RSI: ffff9caabad9bf70 RDI: ffff9caabad9bf70 [ 61.979909] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 61.987875] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 61.995843] R13: ffffb0e582687f10 R14: ffffb0e582687f10 R15: ffff9caa439a3000 [ 62.003810] FS: 00007fbd6b494580(0000) GS:ffff9caabad80000(0000) knlGS:0000000000000000 [ 62.012844] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.019255] CR2: ffffffffffffffd6 CR3: 000000010264c001 CR4: 00000000003706e0 [ 62.027221] Call Trace: [ 62.029948] execute_location+0x48/0x56 [ 62.034227] direct_entry.cold+0x2c/0x38 [ 62.038595] full_proxy_write+0x56/0x80 [ 62.042873] vfs_write+0xea/0x390 [ 62.046568] ksys_write+0x68/0xe0 [ 62.050264] do_syscall_64+0x33/0x40 [ 62.054243] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 62.059880] RIP: 0033:0x7fbd6b3bcf33 [ 62.063866] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 62.084844] RSP: 002b:00007ffdaa6b2678 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 62.093297] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fbd6b3bcf33 [ 62.101265] RDX: 000000000000000a RSI: 00007fbd6b2ad000 RDI: 0000000000000001 [ 62.109233] RBP: 00007fbd6b2ad000 R08: 00007fbd6b2ac010 R09: 0000000000000000 [ 62.117200] R10: 00007fbd6b4b71c0 R11: 0000000000000246 R12: 0000000000000001 [ 62.125166] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 62.133135] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ion fetch in kernel mode # [ 58.608850] #PF: error_code(0x001[ 62.159577] CR2: 0000000000000000 [ 62.169485] ---[ end trace 6cc267e8849948ea ]--- [ 62.174638] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 62.179013] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 2a 71 02 [ 62.199992] RSP: 0018:ffffb0e581517e60 EFLAGS: 00010282 [ 62.205824] RAX: ffffffffb84b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 62.213792] RDX: 0000000000000000 RSI: ffff9caabac9bf70 RDI: ffffffffb90d9a70 [ 62.221759] RBP: ffffffffb9523298 R08: 0000000000000001 R09: 0000000000000001 [ 62.229733] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 62.237700] R13: ffffb0e581517f10 R14: ffffb0e581517f10 R15: ffff9caa460b7000 [ 62.245678] FS: 00007fbd6b494580(0000) GS:ffff9caabad80000(0000) knlGS:0000000000000000 [ 62.254729] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.261138] CR2: ffffffffffffffd6 CR3: 000000010264c001 CR4: 00000000003706e0 [ 62.269107] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 62.279006] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1844, name: cat [ 62.287458] INFO: lockdep is turned off. [ 62.291832] irq event stamp: 0 [ 62.295236] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 62.302235] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 1) - permissions violation # [ 58.615070] PGD 1ce29067 P4D 1c[ 62.311370] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 62.326726] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 62.333755] CPU: 3 PID: 1844 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 62.342402] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 62.349203] Call Trace: [ 62.351930] dump_stack+0x77/0x97 [ 62.355626] ___might_sleep.cold+0xa6/0xb6 [ 62.360196] exit_signals+0x1c/0x2d0 [ 62.364185] do_exit+0xd5/0xb00 [ 62.367681] ? ksys_write+0x68/0xe0 [ 62.371572] rewind_stack_do_exit+0x17/0x20 [ 62.376239] RIP: 0033:0x7fbd6b3bcf33 [ 62.380226] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 62.401204] RSP: 002b:00007ffdaa6b2678 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 62.409680] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fbd6b3bcf33 [ 62.417648] RDX: 000000000000000a RSI: 00007fbd6b2ad000 RDI: 0000000000000001 [ 62.425615] RBP: 00007fbd6b2ad000 R08: 00007fbd6b2ac010 R09: 0000000000000000 [ 62.433581] R10: 00007fbd6b4b71c0 R11: 0000000000000246 R12: 0000000000000001 [ 62.441548] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 e29067 PUD 1ce2a063 PMD 800000001e2000e3 # [ 58.622553] Oops: 0011 [#5] SMP PTI # [ 58.626442] CPU: 0 PID: 1627 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 58.635088] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.641891] RIP: 0010:data_area+0x0/0x40 # [ 58.646266] Code: ff ff 00 03 21 44 aa 9c ff ff 00 02 21 44 aa 9c ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 # [ 58.667242] RSP: 0018:ffffb0e58232fe48 EFLAGS: 00010246 # [ 58.673065] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 58.681032] RDX: 0000000000000000 RSI: ffff9caabac1bf70 RDI: ffff9caabac1bf70 # [ 58.688999] RBP: ffffffffbabc4560 R08: 0000000000000000 R09: 0000000000000000 # [ 58.696966] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 58.704933] R13: ffffb0e58232ff10 R14: ffffb0e58232ff10 R15: ffff9caa429a5000 # [ 58.712898] FS: 00007fd[ 62.547101] lkdtm: Performing direct entry ACCESS_USERSPACE fbda0a580(0000) GS:ffff9caabac00000(0000) knlGS:0000000000000000[ 62.555307] lkdtm: attempting bad read at 00007fceef217000 # [ 58.721932] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005[ 62.567648] BUG: unable to handle page fault for address: 00007fceef217000 [ 62.581505] #PF: supervisor read access in kernel mode [ 62.587240] #PF: error_code(0x0001) - permissions violation [ 62.593460] PGD 8000000104f80067 P4D 8000000104f80067 PUD 104bcc067 PMD 10305f067 PTE 10b8a9067 [ 62.603182] Oops: 0001 [#12] SMP PTI [ 62.607170] CPU: 0 PID: 1879 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 62.615819] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 62.622615] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x3d/0x9f [ 62.628839] Code: 2b 04 25 28 00 00 00 75 60 48 83 c4 10 5d c3 48 89 ee 48 c7 c7 c8 8e 4c b9 e8 73 9d fd ff 48 c7 c7 f0 8e 4c b9 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 5a 9d fd ff 48 89 ee 48 c7 c7 18 8f 4c [ 62.649817] RSP: 0018:ffffb0e5826ffe48 EFLAGS: 00010246 [ 62.655650] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 [ 62.663615] RDX: 0000000000000000 RSI: ffff9caabac1bf70 RDI: ffffffffb94c8ef0 [ 62.671580] RBP: 00007fceef217000 R08: 0000000000000000 R09: 0000000000000000 [ 62.679547] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 [ 62.687513] R13: ffffb0e5826fff10 R14: ffffb0e5826fff10 R15: ffff9caa459d0000 [ 62.695479] FS: 00007fceef1e8580(0000) GS:ffff9caabac00000(0000) knlGS:0000000000000000 [ 62.704504] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.710918] CR2: 00007fceef217000 CR3: 00000001026f0004 CR4: 00000000003706f0 [ 62.718883] Call Trace: [ 62.721609] direct_entry.cold+0x2c/0x38 [ 62.725993] full_proxy_write+0x56/0x80 [ 62.730276] vfs_write+0xea/0x390 [ 62.733971] ksys_write+0x68/0xe0 [ 62.737668] do_syscall_64+0x33/0x40 [ 62.741655] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 62.747284] RIP: 0033:0x7fceef110f33 [ 62.751271] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 62.772238] RSP: 002b:00007ffc3a390f38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 62.780691] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fceef110f33 [ 62.788658] RDX: 0000000000000011 RSI: 00007fceef001000 RDI: 0000000000000001 [ 62.796625] RBP: 00007fceef001000 R08: 00007fceef000010 R09: 0000000000000000 [ 62.804592] R10: 00007fceef20b1c0 R11: 0000000000000246 R12: 0000000000000001 [ 62.812558] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 62.820527] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 62.846960] CR2: 00007fceef217000 [ 62.850655] ---[ end trace 6cc267e8849948eb ]--- [ 62.855808] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 62.860174] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 2a 71 02 [ 62.881150] RSP: 0018:ffffb0e581517e60 EFLAGS: 00010282 [ 62.886972] RAX: ffffffffb84b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 62.894938] RDX: 0000000000000000 RSI: ffff9caabac9bf70 RDI: ffffffffb90d9a70 [ 62.902905] RBP: ffffffffb9523298 R08: 0000000000000001 R09: 0000000000000001 [ 62.910869] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 62.918835] R13: ffffb0e581517f10 R14: ffffb0e581517f10 R15: ffff9caa460b7000 [ 62.926802] FS: 00007fceef1e8580(0000) GS:ffff9caabac00000(0000) knlGS:0000000000000000 [ 62.935837] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.942249] CR2: 00007fceef217000 CR3: 00000001026f0004 CR4: 00000000003706f0 0033 # [ 58.728344] CR2: ffffffffbabc4560 CR3: 0000000104b54005 CR4: 00000000003706f0 # [ 58.736310] Call Trace: # [ 58.739037] ? execute_location+0x48/0x56 # [ 58.743508] ? direct_entry.cold+0x2c/0x38 # [ 58.748079] ? full_proxy_write+0x56/0x80 # [ 58.752552] ? vfs_write+0xea/0x390 # [ 58.756440] ? ksys_write+0x68/0xe0 # [ 58.760329] ? do_syscall_64+0x33/0x40 # [ 58.764510] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 58.770344] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 58.796773] CR2: ffffffffbabc4560 # [ 58.800467] ---[ end trace 6cc267e8849948e4 ]--- # [ 58.805618] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 58.809994] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 2a 71 02 # [ 58.830968] RSP: 0018:ffffb0e581517e60 EFLAGS: 00010282 # [ 58.836799] RAX: ffffffffb84b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 58.844763] RDX: 0000000000000000 RSI: ffff9caabac9bf70 RDI: ffffffffb90d9a70 # [ 58.852737] RBP: ffffffffb9523298 R08: 0000000000000001 R09: 0000000000000001 # [ 58.860704] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 58.868690] R13: ffffb0e581517f10 R14: ffffb0e581517f10 R15: ffff9caa460b7000 # [ 58.876682] FS: 00007fdfbda0a580(0000) GS:ffff9caabac00000(0000) knlGS:0000000000000000 # [ 58.885730] CS: 0010 DS: 0000 ES: 0000 CR0: 00000000800[ 63.113939] lkdtm: Performing direct entry ACCESS_NULL 50033 # [ 58.892144] CR2: ffffffffbabc4560 CR3: 0000000104b54[ 63.123979] lkdtm: attempting bad read at 0000000000000000 005 CR4: 00000000003706f0 # [ 58.900111] BUG: sleeping functi[ 63.136342] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 63.150318] #PF: supervisor read access in kernel mode [ 63.156052] #PF: error_code(0x0000) - not-present page [ 63.161786] PGD 0 P4D 0 [ 63.164609] Oops: 0000 [#13] SMP PTI [ 63.168595] CPU: 1 PID: 1914 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 63.177242] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 63.184046] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 on called from invalid context at include/linux/percpu-rwsem.h:4[ 63.189297] Code: 17 9d fd ff be 00 10 00 00 48 89 ef e8 74 eb 3c ff e9 6d ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 c8 8e 4c b9 e8 f1 9c fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 f0 8e 4c b9 48 01 [ 63.216492] RSP: 0018:ffffb0e582797e58 EFLAGS: 00010246 [ 63.222314] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 [ 63.230281] RDX: 0000000000000000 RSI: ffff9caabac9bf70 RDI: ffff9caabac9bf70 [ 63.238248] RBP: ffffffffb94c7fb9 R08: 0000000000000000 R09: 0000000000000000 [ 63.246215] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 63.254182] R13: ffffb0e582797f10 R14: ffffb0e582797f10 R15: ffff9caa427af000 [ 63.262152] FS: 00007fe7d7f1d580(0000) GS:ffff9caabac80000(0000) knlGS:0000000000000000 [ 63.271189] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.277602] CR2: 0000000000000000 CR3: 00000001060ce004 CR4: 00000000003706e0 [ 63.285570] Call Trace: [ 63.288297] direct_entry.cold+0x2c/0x38 [ 63.292682] full_proxy_write+0x56/0x80 9 # [ 58.910019] in_atomic(): 0, irqs_disabled(): 1, non_bloc[ 63.296964] vfs_write+0xea/0x390 [ 63.306871] ksys_write+0x68/0xe0 [ 63.310567] do_syscall_64+0x33/0x40 [ 63.314555] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 63.320183] RIP: 0033:0x7fe7d7e45f33 [ 63.324171] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 63.345151] RSP: 002b:00007ffd06a3faf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 63.353604] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fe7d7e45f33 [ 63.361572] RDX: 000000000000000c RSI: 00007fe7d7d36000 RDI: 0000000000000001 [ 63.369540] RBP: 00007fe7d7d36000 R08: 00007fe7d7d35010 R09: 0000000000000000 [ 63.377507] R10: 00007fe7d7f401c0 R11: 0000000000000246 R12: 0000000000000001 [ 63.385475] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 k: 0, pid: 1627, name: cat # [ 58.918472] INFO: lockdep is tu[ 63.393444] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 63.426075] CR2: 0000000000000000 [ 63.429771] ---[ end trace 6cc267e8849948ec ]--- [ 63.434925] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 63.439301] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 2a 71 02 [ 63.460280] RSP: 0018:ffffb0e581517e60 EFLAGS: 00010282 [ 63.466113] RAX: ffffffffb84b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 63.474081] RDX: 0000000000000000 RSI: ffff9caabac9bf70 RDI: ffffffffb90d9a70 [ 63.482049] RBP: ffffffffb9523298 R08: 0000000000000001 R09: 0000000000000001 [ 63.490015] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 63.497982] R13: ffffb0e581517f10 R14: ffffb0e581517f10 R15: ffff9caa460b7000 [ 63.505951] FS: 00007fe7d7f1d580(0000) GS:ffff9caabac80000(0000) knlGS:0000000000000000 [ 63.514986] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.521400] CR2: 0000000000000000 CR3: 00000001060ce004 CR4: 00000000003706e0 [ 63.529368] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 63.539269] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1914, name: cat [ 63.547726] INFO: lockdep is turned off. [ 63.552101] irq event stamp: 0 [ 63.555504] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 63.562503] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 63.571637] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 63.580760] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 63.587758] CPU: 1 PID: 1914 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 63.596396] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 63.603197] Call Trace: [ 63.605924] dump_stack+0x77/0x97 [ 63.609621] ___might_sleep.cold+0xa6/0xb6 [ 63.614184] exit_signals+0x1c/0x2d0 [ 63.618170] do_exit+0xd5/0xb00 [ 63.621684] ? ksys_write+0x68/0xe0 [ 63.625574] rewind_stack_do_exit+0x17/0x20 [ 63.630240] RIP: 0033:0x7fe7d7e45f33 [ 63.634225] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 63.655203] RSP: 002b:00007ffd06a3faf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 63.663678] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fe7d7e45f33 [ 63.671647] RDX: 000000000000000c RSI: 00007fe7d7d36000 RDI: 0000000000000001 [ 63.679615] RBP: 00007fe7d7d36000 R08: 00007fe7d7d35010 R09: 0000000000000000 [ 63.687582] R10: 00007fe7d7f401c0 R11: 0000000000000246 R12: 0000000000000001 [ 63.695549] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 rned off. # [ 58.922846] irq event stamp: 0 # [ 58.926250] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 58.933246] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 58.942378] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 58.951509] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 58.958505] CPU: 0 PID: 1627 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 58.967149] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.973951] Call Trace: # [ 58.976682] dump_stack+0x77/0x97 # [ 58.980378] ___might_sleep.cold+0xa6/0xb6 # [ 58.984946] exit_signals+0x1c/0x2d0 # [ 58.988932] do_exit+0xd5/0xb00 # [ 58.992433] ? ksys_write+0x68/0xe0 # [ 58.996323] rewind_stack_do_exit+0x17/0x20 # [ 59.000979] RIP: 0033:0x7fdfbd932f33 # [ 59.004967] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 0[ 63.798272] lkdtm: Performing direct entry WRITE_RO [ 63.808455] lkdtm: attempting bad rodata write at ffffffffb90d9ef0 [ 63.815423] BUG: unable to handle page fault for address: ffffffffb90d9ef0 0 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 [ 63.823122] #PF: supervisor write access in kernel mode [ 63.835170] #PF: error_code(0x0003) - permissions violation [ 63.841395] PGD 1ce29067 P4D 1ce29067 PUD 1ce2a063 PMD 800000001c8000e1 48 89 54 24 18 # [ 59.025943] RSP: 002b:00007ffc8009e208 EFLA[ 63.848882] Oops: 0003 [#14] SMP PTI [ 63.859083] CPU: 3 PID: 1949 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 63.867730] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 63.874538] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a GS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.034394] RAX: f[ 63.879498] Code: 00 48 c7 c7 a8 8d 4c b9 48 c7 c6 f0 9e 0d b9 e8 93 9f fd ff 48 8b 05 16 41 5b 00 ba 34 12 cd ab 48 c7 c7 d8 8d 4c b9 48 31 d0 <48> 89 05 00 41 5b 00 e9 71 9f fd ff 0f 1f 44 00 00 48 8b 05 27 f5 [ 63.906689] RSP: 0018:ffffb0e582807e60 EFLAGS: 00010202 [ 63.912520] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 [ 63.920489] RDX: 00000000abcd1234 RSI: ffff9caabad9bf70 RDI: ffffffffb94c8dd8 [ 63.928457] RBP: ffffffffb94c7fc5 R08: 0000000000000000 R09: 0000000000000000 [ 63.936423] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 [ 63.944390] R13: ffffb0e582807f10 R14: ffffb0e582807f10 R15: ffff9caa428e0000 [ 63.952357] FS: 00007f158caa1580(0000) GS:ffff9caabad80000(0000) knlGS:0000000000000000 [ 63.961393] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.967806] CR2: ffffffffb90d9ef0 CR3: 00000001060a2003 CR4: 00000000003706e0 [ 63.975773] Call Trace: [ 63.978498] direct_entry.cold+0x2c/0x38 [ 63.982867] full_proxy_write+0x56/0x80 [ 63.987146] vfs_write+0xea/0x390 [ 63.990841] ksys_write+0x68/0xe0 [ 63.994539] do_syscall_64+0x33/0x40 [ 63.998526] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 64.004156] RIP: 0033:0x7f158c9c9f33 [ 64.008133] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 64.029109] RSP: 002b:00007ffc2629a928 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 64.037561] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f158c9c9f33 [ 64.045526] RDX: 0000000000000009 RSI: 00007f158c8ba000 RDI: 0000000000000001 [ 64.053493] RBP: 00007f158c8ba000 R08: 00007f158c8b9010 R09: 0000000000000000 [ 64.061461] R10: 00007f158cac41c0 R11: 0000000000000246 R12: 0000000000000001 [ 64.069427] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 64.077396] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify fffffffffffffda RBX: 000000000000000a RCX: 00007fdfbd932f33 # [[ 64.103846] CR2: ffffffffb90d9ef0 [ 64.113755] ---[ end trace 6cc267e8849948ed ]--- [ 64.118909] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 64.123284] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 2a 71 02 [ 64.144261] RSP: 0018:ffffb0e581517e60 EFLAGS: 00010282 [ 64.150094] RAX: ffffffffb84b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 64.158061] RDX: 0000000000000000 RSI: ffff9caabac9bf70 RDI: ffffffffb90d9a70 [ 64.166028] RBP: ffffffffb9523298 R08: 0000000000000001 R09: 0000000000000001 [ 64.173994] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 64.181961] R13: ffffb0e581517f10 R14: ffffb0e581517f10 R15: ffff9caa460b7000 [ 64.189927] FS: 00007f158caa1580(0000) GS:ffff9caabad80000(0000) knlGS:0000000000000000 [ 64.198962] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.205377] CR2: ffffffffb90d9ef0 CR3: 00000001060a2003 CR4: 00000000003706e0 59.042361] RDX: 000000000000000a RSI: 00007fdfbd823000 RDI: 0000000000000001 # [ 59.050329] RBP: 00007fdfbd823000 R08: 00007fdfbd822010 R09: 0000000000000000 # [ 59.058296] R10: 00007fdfbda2d1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 59.066262] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_DATA: saw 'call trace:': ok ok 30 selftests: lkdtm: EXEC_DATA.sh # selftests: lkdtm: EXEC_STACK.sh # Killed # [ 59.163241] lkdtm: Performing direct entry EXEC_STACK # [ 59.173140] lkdtm: attempting ok execution at ffffffffb84b1eb0 # [ 59.185892] lkdtm: attempting bad execution at ffffb0e5823bfe18 # [ 59.198701] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 59.213254] BUG: unable to handle page fault for address: ffffb0e5823bfe18 # [ 59.220[ 64.290013] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT 930] #PF: supervisor instruction fetch in kernel mode # [ 59.[ 64.300699] lkdtm: attempting bad ro_after_init write at ffffffffb9545328 227245] #PF: error_code(0x0011) - permissions violation # [ 5[ 64.314517] BUG: unable to handle page fault for address: ffffffffb9545328 [ 64.328386] #PF: supervisor write access in kernel mode [ 64.334219] #PF: error_code(0x0003) - permissions violation 9.[233464] PGD 100000067 P4D 100000067 PUD 100211067 PMD 103fe806 64.340440] PGD 1ce29067 P4D 1ce29067 PUD 1ce2a063 PMD 10465a063 PTE 800000001cd45061 [ 64.355406] Oops: 0003 [#15] SMP PTI [ 64.359395] CPU: 1 PID: 1984 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 64.368035] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 64.374840] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a 7 PTE 8000000104ef7063 # [ 59.242501] Oops: 0011 [#6] SMP PTI[ 64.380867] Code: 8e 4c b9 e9 45 9f fd ff 48 c7 c7 30 8e 4c b9 e8 39 9f fd ff 48 8b 05 f4 f4 a1 00 ba 34 12 cd ab 48 c7 c7 d8 8d 4c b9 48 31 d0 <48> 89 05 de f4 a1 00 e9 17 9f fd ff 0f 1f 44 00 00 41 54 48 c7 c7 [ 64.408060] RSP: 0018:ffffb0e582897e60 EFLAGS: 00010202 [ 64.413893] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 [ 64.421863] RDX: 00000000abcd1234 RSI: ffff9caabac9bf70 RDI: ffffffffb94c8dd8 [ 64.429831] RBP: ffffffffb94c7fce R08: 0000000000000000 R09: 0000000000000000 [ 64.437799] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 [ 64.445767] R13: ffffb0e582897f10 R14: ffffb0e582897f10 R15: ffff9caa43f89000 [ 64.453736] FS: 00007f6cfa151580(0000) GS:ffff9caabac80000(0000) knlGS:0000000000000000 [ 64.462773] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.469187] CR2: ffffffffb9545328 CR3: 000000010384c003 CR4: 00000000003706e0 [ 64.477155] Call Trace: [ 64.479882] direct_entry.cold+0x2c/0x38 [ 64.484261] full_proxy_write+0x56/0x80 # [ 59.246389] CPU: 0 PID: 1663 Comm: cat Tainted: G D [ 64.488543] vfs_write+0xea/0x390 [ 64.498452] ksys_write+0x68/0xe0 [ 64.502140] do_syscall_64+0x33/0x40 [ 64.506118] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 64.511756] RIP: 0033:0x7f6cfa079f33 [ 64.515743] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 64.536733] RSP: 002b:00007ffe5457a138 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 64.545187] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f6cfa079f33 [ 64.553155] RDX: 0000000000000014 RSI: 00007f6cf9f6a000 RDI: 0000000000000001 [ 64.561122] RBP: 00007f6cf9f6a000 R08: 00007f6cf9f69010 R09: 0000000000000000 [ 64.569091] R10: 00007f6cfa1741c0 R11: 0000000000000246 R12: 0000000000000001 [ 64.577060] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 W 5.10.128-cip10 #1 # [ 59.255035] Hardware name: Goo[ 64.585030] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 64.617679] CR2: ffffffffb9545328 [ 64.621376] ---[ end trace 6cc267e8849948ee ]--- [ 64.626530] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 64.630907] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 2a 71 02 [ 64.651887] RSP: 0018:ffffb0e581517e60 EFLAGS: 00010282 [ 64.657734] RAX: ffffffffb84b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 64.665704] RDX: 0000000000000000 RSI: ffff9caabac9bf70 RDI: ffffffffb90d9a70 [ 64.673683] RBP: ffffffffb9523298 R08: 0000000000000001 R09: 0000000000000001 [ 64.681668] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 gle Rammus/Rammus, BIOS 09/04/2020 # [ 59.261837] RIP: 0010:[ 64.689645] R13: ffffb0e581517f10 R14: ffffb0e581517f10 R15: ffff9caa460b7000 [ 64.703827] FS: 00007f6cfa151580(0000) GS:ffff9caabac80000(0000) knlGS:0000000000000000 [ 64.712864] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.719280] CR2: ffffffffb9545328 CR3: 000000010384c003 CR4: 00000000003706e0 [ 64.727249] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 64.737161] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1984, name: cat [ 64.745614] INFO: lockdep is turned off. [ 64.749989] irq event stamp: 0 [ 64.753394] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 64.760392] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 64.769526] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 64.778678] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 64.785686] CPU: 1 PID: 1984 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 64.794336] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 64.801140] Call Trace: [ 64.803866] dump_stack+0x77/0x97 [ 64.807554] ___might_sleep.cold+0xa6/0xb6 [ 64.812126] exit_signals+0x1c/0x2d0 [ 64.816114] do_exit+0xd5/0xb00 [ 64.819609] ? ksys_write+0x68/0xe0 [ 64.823494] rewind_stack_do_exit+0x17/0x20 [ 64.828162] RIP: 0033:0x7f6cfa079f33 [ 64.832148] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 64.853129] RSP: 002b:00007ffe5457a138 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 64.861583] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f6cfa079f33 [ 64.869552] RDX: 0000000000000014 RSI: 00007f6cf9f6a000 RDI: 0000000000000001 [ 64.877520] RBP: 00007f6cf9f6a000 R08: 00007f6cf9f69010 R09: 0000000000000000 [ 64.885487] R10: 00007f6cfa1741c0 R11: 0000000000000246 R12: 0000000000000001 [ 64.893456] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0xffffb0e5823bfe18 # [ 59.266212] Code: 00 00 18 fe 3b 82 e5 b0 ff ff ad 5d b2 b8 ff ff ff ff 20 00 00 00 00 00 00 00 5e 7f 4c b9 ff ff ff ff d9 5e b2 b8 ff ff ff ff <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 # [ 59.287181] RSP: 0018:ffffb0e5823bfdf8 EFLAGS: 00010246 # [ 59.293011] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 59.300976] RDX: 0000000000000000 RSI: ffff9caabac1bf70 RDI: ffff9caabac1bf70 # [ 59.308941] RBP: ffffb0e5823bfe18 R08: 0000000000000000 R09: 0000000000000000 # [ 59.316907] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 59.324873] R13: ffffb0e5823bff10 R14: ffffb0e5823bff10 R15: ffff9caa43952000 # [ 59.332839] FS: 00007f9ee63d3580(0000) GS:ffff9caabac00000(0000) knlGS:0000000000000000 # [ 59.341873] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.348286] CR2: ffffb0e5823bfe18 CR3: 00000001029b2005 CR4: 00000000003[ 64.993208] lkdtm: Performing direct entry WRITE_KERN [ 65.000336] lkdtm: attempting bad 6766244 byte write at ffffffffb8b25d54 [ 65.007868] BUG: unable to handle page fault for address: ffffffffb8b25d54 [ 65.015563] #PF: supervisor write access in kernel mode 706f0 # [ 59.356252] Call Trace: # [ 59.358979] ? execute[ 65.021401] #PF: error_code(0x0003) - permissions violation _lo[cation+0x48/0x56 # [ 59.363457] ? lkdtm_EXEC_STACK+0x26/0 65.033836] PGD 1ce29067 P4D 1ce29067 PUD 1ce2a063 PMD 1c2000e1 [ 65.046761] Oops: 0003 [#16] SMP PTI [ 65.050748] CPU: 3 PID: 2019 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 65.059396] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 65.066201] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e [ 65.071354] Code: 53 48 c7 c3 54 5d b2 b8 49 89 dc 48 89 da 49 81 ec b0 1e 4b b8 4c 89 e6 e8 ec 9e fd ff 48 89 df 4c 89 e1 48 c7 c6 b0 1e 4b b8 a4 48 c7 c7 d8 8d 4c b9 e8 d1 9e fd ff 5b 41 5c e9 b7 fe ff ff [ 65.092323] RSP: 0018:ffffb0e58291fe50 EFLAGS: 00010246 [ 65.098154] RAX: 000000000000003c RBX: ffffffffb8b25d54 RCX: 0000000000673ea4 [ 65.106123] RDX: 0000000000000000 RSI: ffffffffb84b1eb0 RDI: ffffffffb8b25d54 [ 65.114090] RBP: ffffffffb94c7fe2 R08: 0000000000000000 R09: 0000000000000000 [ 65.122057] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000673ea4 [ 65.130023] R13: ffffb0e58291ff10 R14: ffffb0e58291ff10 R15: ffff9caa44ea1000 [ 65.137991] FS: 00007fe6582b2580(0000) GS:ffff9caabad80000(0000) knlGS:0000000000000000 [ 65.147028] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.153442] CR2: ffffffffb8b25d54 CR3: 0000000103ec4001 CR4: 00000000003706e0 [ 65.161410] Call Trace: [ 65.164137] direct_entry.cold+0x2c/0x38 [ 65.168513] full_proxy_write+0x56/0x80 [ 65.172783] vfs_write+0xea/0x390 [ 65.176480] ksys_write+0x68/0xe0 [ 65.180168] do_syscall_64+0x33/0x40 [ 65.184146] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 65.189783] RIP: 0033:0x7fe6581daf33 [ 65.193771] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 65.214750] RSP: 002b:00007ffd773cde78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 65.223203] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fe6581daf33 [ 65.231172] RDX: 000000000000000b RSI: 00007fe6580cb000 RDI: 0000000000000001 [ 65.239138] RBP: 00007fe6580cb000 R08: 00007fe6580ca010 R09: 0000000000000000 [ 65.247107] R10: 00007fe6582d51c0 R11: 0000000000000246 R12: 0000000000000001 [ 65.255075] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 65.263043] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 65.289498] CR2: ffffffffb8b25d54 [ 65.293194] ---[ end trace 6cc267e8849948ef ]--- [ 65.298348] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 65.302732] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 2a 71 02 [ 65.323704] RSP: 0018:ffffb0e581517e60 EFLAGS: 00010282 [ 65.329525] RAX: ffffffffb84b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 65.337491] RDX: 0000000000000000 RSI: ffff9caabac9bf70 RDI: ffffffffb90d9a70 [ 65.345457] RBP: ffffffffb9523298 R08: 0000000000000001 R09: 0000000000000001 [ 65.353422] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 65.361388] R13: ffffb0e581517f10 R14: ffffb0e581517f10 R15: ffff9caa460b7000 [ 65.369354] FS: 00007fe6582b2580(0000) GS:ffff9caabad80000(0000) knlGS:0000000000000000 [ 65.378390] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.384803] CR2: ffffffffb8b25d54 CR3: 0000000103ec4001 CR4: 00000000003706e0 x40 # [ 59.367929] ? direct_entry.cold+0x2c/0x38 # [ 59.372498] ? full_proxy_write+0x56/0x80 # [ 59.376969] ? vfs_write+0xea/0x390 # [ 59.380858] ? ksys_write+0x68/0xe0 # [ 59.384749] ? do_syscall_64+0x33/0x40 # [ 59.388931] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 59.394754] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 59.421182] CR2: ffffb0e5823bfe18 # [ 59.424877] ---[ end trace 6cc267e8849948e5 ]--- # [ 59.430031] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 59.434406] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f [ 65.476133] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW 1f 44 00 00 83 05 30 2a 71 02 # [ 59.455381] RSP: 0018:ffffb0[ 65.486557] lkdtm: attempting good refcount_inc() without overflow [ 65.499678] lkdtm: attempting bad refcount_inc() overflow e581517e60 EFLAGS: 00010282 # [ 59.461211] RAX: ffffffffb84b1[ 65.505766] ------------[ cut here ]------------ ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 59.469177[ 65.517135] refcount_t: saturated; leaking memory. ] RDX: 0000000000000000 RSI: ffff9caabac9bf70 RDI: ffffffffb90d9[ 65.528713] WARNING: CPU: 0 PID: 2054 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 a70 # [ 59.477144] RBP: ffffffffb9523298 R08: 000000000000000[ 65.544264] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 1 R09: 0000000000000001 # [ 59.485111] R10: 00000000ffffe000 [ 65.576918] CPU: 0 PID: 2054 Comm: cat Tainted: G D W 5.10.128-cip10 #1 R11: 3fffffffffffffff R12: 0000000000000004 # [ 59.493078] R1[ 65.591767] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 3: ffffb0e581517f10 R14: ffffb0e581517f10 R15: ffff9caa460b7000[ 65.604825] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 59.501046] FS: 00007f9ee63d3580(0000) GS:ffff9caabac0000[ 65.616764] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 04 31 76 01 00 75 f2 48 c7 c7 60 3a 46 b9 c6 05 f4 30 76 01 01 e8 2d ec 95 00 <0f> 0b c3 80 3d e4 30 76 01 00 75 d3 48 c7 c7 88 3a 46 b9 c6 05 d4 0(0000) knlGS:0000000000000000 # [ 59.510080] CS: 0010 DS: 0[ 65.643996] RSP: 0018:ffffb0e58299fe48 EFLAGS: 00010286 000 ES: 0000 CR0: 0000000080050033 # [ 59.516493] CR2: ffffb0[ 65.656031] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 e5823bfe18 CR3: 00000001029b2005 CR4: 00000000003706f0 # EXEC_S[ 65.670242] RDX: ffff9caabac2c660 RSI: ffff9caabac1bf70 RDI: ffff9caabac1bf70 TACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.[ 65.684452] RBP: ffffffffb94c7fed R08: 0000000000000000 R09: 0000000000000000 sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 59.7074[ 65.698638] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 01] lkdtm: Performing direct entry EXEC_KMALLOC # [ 59.716801[ 65.712870] R13: ffffb0e58299ff10 R14: ffffb0e58299ff10 R15: ffff9caa44bcc000 ] lkdtm: attempting ok execution at ffffffffb84b1eb0 # [ 59.7[ 65.727047] FS: 00007f529b1b8580(0000) GS:ffff9caabac00000(0000) knlGS:0000000000000000 23342] lkdtm: attempting bad execution at ffff9caa460f0140 # [ [ 65.742376] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 59.736189] kernel tried to execute NX-protected page - exploit[ 65.754953] CR2: 00007f529afd1000 CR3: 000000010307e005 CR4: 00000000003706f0 attempt? (uid: 0) # [ 59.744553] BUG: unable to handle page [ 65.769169] Call Trace: fault for address: ffff9caa460f0140 # [ 59.758443] #PF: super[ 65.778112] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x94 visor instruction fetch in kernel mode # [ 59.764751] #PF: er[ 65.789704] direct_entry.cold+0x2c/0x38 ror_code(0x0011) - permissions violation # [ 59.770969] PGD 1[ 65.800321] full_proxy_write+0x56/0x80 e401067 P4D 1e401067 PUD 10084e063 PMD 1060ad063 PTE 80000001060[ 65.810847] vfs_write+0xea/0x390 f0163 # [ 59.779812] Oops: 0011 [#7] SMP PTI # [ 59.783702[ 65.820775] ksys_write+0x68/0xe0 ] CPU: 3 PID: 1699 Comm: cat Tainted: G D W 5.10.12[ 65.830715] do_syscall_64+0x33/0x40 8-cip10 #1 # [ 59.792349] Hardware name: Google Rammus/Rammus[ 65.840939] entry_SYSCALL_64_after_hwframe+0x44/0xa9 , BIOS 09/04/2020 # [ 59.799151] RIP: 0010:0xffff9caa460f014[ 65.852823] RIP: 0033:0x7f529b0e0f33 0 # [ 59.803525] Code: 00 00 90 10 00 00 00 00 00 00 c0 00 0f[ 65.863022] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 46 aa 9c ff ff 08 b1 02 00 00 00 00 00 00 00 00 00 40 00 38 00 [ 65.890252] RSP: 002b:00007ffe071a9f88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 09 00 40 00 18 00 17 00 <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00[ 65.904920] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f529b0e0f33 00 00 00 0f 1f 44 00 00 55 # [ 59.824501] RSP: 0018:ffffb0e5[ 65.919114] RDX: 0000000000000016 RSI: 00007f529afd1000 RDI: 0000000000000001 82447e38 EFLAGS: 00010246 # [ 59.830325] RAX: 000000000000003[ 65.933297] RBP: 00007f529afd1000 R08: 00007f529afd0010 R09: 0000000000000000 3 RBX: 0000000000000001 RCX: 0000000000000000 # [ 59.838290] [ 65.947519] R10: 00007f529b1db1c0 R11: 0000000000000246 R12: 0000000000000001 RDX: 0000000000000000 RSI: ffff9caabad9bf70 RDI: ffff9caabad9bf7[ 65.961699] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0 # [ 59.846257] RBP: ffff9caa460f0140 R08: 0000000000000000 [ 65.975941] irq event stamp: 0 R09: 0000000000000000 # [ 59.854222] R10: 00000000ffffe000 R1[ 65.985535] hardirqs last enabled at (0): [<0000000000000000>] 0x0 1: 3fffffffffffffff R12: 000000000000000d # [ 59.862188] R13:[ 65.998778] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 ffffb0e582447f10 R14: ffffb0e582447f10 R15: ffff9caa44b32000 #[ 66.014122] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 59.870154] FS: 00007f2623a45580(0000) GS:ffff9caabad80000([ 66.029505] softirqs last disabled at (0): [<0000000000000000>] 0x0 0000) knlGS:0000000000000000 # [ 59.879187] CS: 0010 DS: 000[ 66.042705] ---[ end trace 6cc267e8849948f0 ]--- 0 ES: 0000 CR0: 0000000080050033 # [ 59.885600] CR2: ffff9caa[ 66.054097] lkdtm: Overflow detected: saturated 460f0140 CR3: 0000000103ec4004 CR4: 00000000003706e0 # [ 59.893565] Call Trace: # [ 59.896293] ? execute_location+0x48/0x56 # [ 59.900766] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 59.905431] ? direct_entry.cold+0x2c/0x38 # [ 59.910001] ? full_proxy_write+0x56/0x80 # [ 59.914474] ? vfs_write+0xea/0x390 # [ 59.918363] ? ksys_write+0x68/0xe0 # [ 59.922255] ? do_syscall_64+0x33/0x40 # [ 59.926436] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 59.932268] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 59.958716] CR2: ffff9caa460f0140 # [ 59.968623] ---[ end trace 6cc267e8849948e6 ]--- # [ 59.973775] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 59.978150] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1[ 66.161056] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 [ 66.171522] lkdtm: attempting good refcount_add() without overflow 05 30 2a 71 02 # [ 59.999125] RSP: 0018:ffffb0e581517e60 EFLA[ 66.184636] lkdtm: attempting bad refcount_add() overflow GS: 00010282 # [ 60.004955] RAX: ffffffffb84b1ae0 RBX: 000000[ 66.196904] ------------[ cut here ]------------ 0000000001 RCX: 0000000000000000 # [ 60.012921] RDX: 00000000[ 66.208302] refcount_t: saturated; leaking memory. 00000000 RSI: ffff9caabac9bf70 RDI: ffffffffb90d9a70 # [ 60.0[ 66.219882] WARNING: CPU: 0 PID: 2086 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 20888] RBP: ffffffffb9523298 R08: 0000000000000001 R09: 00000000[ 66.235411] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 00000001 # [ 60.028855] R10: 00000000ffffe000 R11: 3fffffffff[ 66.268053] CPU: 0 PID: 2086 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 66.282906] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 ffffff R12: 0000000000000004 # [ 60.036822] R13: ffffb0e58151[ 66.289773] RIP: 0010:refcount_warn_saturate+0x49/0xf0 7f10 R14: ffffb0e581517f10 R15: ffff9caa460b7000 # [ 60.04479[ 66.301764] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 04 31 76 01 00 75 f2 48 c7 c7 60 3a 46 b9 c6 05 f4 30 76 01 01 e8 2d ec 95 00 <0f> 0b c3 80 3d e4 30 76 01 00 75 d3 48 c7 c7 88 3a 46 b9 c6 05 d4 0] FS: 00007f2623a45580(0000) GS:ffff9caabad80000(0000) knlGS:0[ 66.328986] RSP: 0018:ffffb0e582a1fe48 EFLAGS: 00010286 [ 66.341022] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 000000000000000 # [ 60.053825] CS: 0010 DS: 0000 ES: 0000 CR[ 66.349027] RDX: ffff9caabac2c660 RSI: ffff9caabac1bf70 RDI: ffff9caabac1bf70 0: 0000000080050033 # [ 60.060239] CR2: ffff9caa460f0140 CR3:[ 66.363215] RBP: ffffffffb94c8003 R08: 0000000000000000 R09: 0000000000000000 0000000103ec4004 CR4: 00000000003706e0 # [ 60.068206] BUG: s[ 66.377410] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 leeping function called from invalid context at include/linux/pe[ 66.391635] R13: ffffb0e582a1ff10 R14: ffffb0e582a1ff10 R15: ffff9caa4308d000 rcpu-rwsem.h:49 # [ 60.078116] in_atomic(): 0, irqs_disabled([ 66.405817] FS: 00007f6019ea0580(0000) GS:ffff9caabac00000(0000) knlGS:0000000000000000 ): 1, non_block: 0, pid: 1699, name: cat # [ 60.086570] INFO:[ 66.421128] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 lockdep is turned off. # [ 60.090943] irq event stamp: 0 # [ 66.433755] CR2: 00007f6019cb9000 CR3: 000000010305a002 CR4: 00000000003706f0 [ 60.094346] hardirqs last enabled at (0): [<0000000000000000[ 66.448000] Call Trace: >] 0x0 # [ 60.101344] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 60.110477] softirq[ 66.468506] direct_entry.cold+0x2c/0x38 s last enabled at (0): [] copy_process+0x63c/[ 66.479105] full_proxy_write+0x56/0x80 0x1c80 # [ 60.119609] softirqs last disabled at (0): [<000000[ 66.489592] vfs_write+0xea/0x390 0000000000>] 0x0 # [ 60.126604] CPU: 3 PID: 1699 Comm: cat Ta[ 66.499540] ksys_write+0x68/0xe0 inted: G D W 5.10.128-cip10 #1 # [ 60.135251] Ha[ 66.509450] do_syscall_64+0x33/0x40 rdware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 60.14[ 66.519691] entry_SYSCALL_64_after_hwframe+0x44/0xa9 2053] Call Trace: # [ 60.144779] dump_stack+0x77/0x97 # [ [ 66.531546] RIP: 0033:0x7f6019dc8f33 60.148475] ___might_sleep.cold+0xa6/0xb6 # [ 60.153045] ex[ 66.541816] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 it_signals+0x1c/0x2d0 # [ 60.157032] do_exit+0xd5/0xb00 # [[ 66.569049] RSP: 002b:00007ffda9f2be58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 60.160532] ? ksys_write+0x68/0xe0 # [ 60.164423] rewind_[ 66.583745] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f6019dc8f33 stack_do_exit+0x17/0x20 # [ 60.169088] RIP: 0033:0x7f262396df[ 66.597945] RDX: 0000000000000016 RSI: 00007f6019cb9000 RDI: 0000000000000001 33 # [ 60.173080] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c[ 66.612116] RBP: 00007f6019cb9000 R08: 00007f6019cb8010 R09: 0000000000000000 7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75[ 66.626328] R10: 00007f6019ec31c0 R11: 0000000000000246 R12: 0000000000000001 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 0[ 66.640546] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0 48 83 ec 28 48 89 54 24 18 # [ 60.194057] RSP: 002b:00007ff[ 66.654743] irq event stamp: 0 c0a8518f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.[ 66.664373] hardirqs last enabled at (0): [<0000000000000000>] 0x0 202509] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f2[ 66.677627] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 62396df33 # [ 60.210475] RDX: 000000000000000d RSI: 00007f262[ 66.693007] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 385e000 RDI: 0000000000000001 # [ 60.218441] RBP: 00007f26238[ 66.708446] softirqs last disabled at (0): [<0000000000000000>] 0x0 5e000 R08: 00007f262385d010 R09: 0000000000000000 # [ 60.2264[ 66.721627] ---[ end trace 6cc267e8849948f1 ]--- 07] R10: 00007f2623a681c0 R11: 0000000000000246 R12: 00000000000[ 66.733006] lkdtm: Overflow detected: saturated 00001 # [ 60.234372] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_KMALLOC: saw 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # selftests: lkdtm: EXEC_VMALLOC.sh # Killed # [ 60.326541] lkdtm: Performing direct entry EXEC_VMALLOC # [ 60.335248] lkdtm: attempting ok execution at ffffffffb84b1eb0 # [ 60.347970] lkdtm: attempting bad execution at ffffb0e58067f000 # [ 60.360792] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 60.375360] BUG: unable to handle page fault for address: ffffb0e58067f000 # [ 60.383037] #PF: supervisor instruction fetch in kernel mode # [ 60.389354] #PF: error_code(0x0011) - permissions violation # [ 60.395575] PGD 100000067 P4D 100000067 PUD 100211067 PMD 104e17067 PTE 800000010299a063 # [ 60.410832][ 66.823054] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW [ 66.832649] lkdtm: attempting bad refcount_inc_not_zero() overflow [ 66.839585] ------------[ cut here ]------------ [ 66.844775] refcount_t: saturated; leaking memory. [ 66.850187] WARNING: CPU: 3 PID: 2118 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 Oops: 0011 [#8] SMP PTI # [ 60.414734] CPU: 1 PID: 1735 Comm[ 66.859525] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 66.892154] CPU: 3 PID: 2118 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 66.900806] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 66.907615] RIP: 0010:refcount_warn_saturate+0x87/0xf0 [ 66.913354] Code: 05 d4 30 76 01 01 e8 0e ec 95 00 0f 0b c3 80 3d c7 30 76 01 00 75 b4 48 c7 c7 60 3a 46 b9 c6 05 b7 30 76 01 01 e8 ef eb 95 00 <0f> 0b c3 80 3d a5 30 76 01 00 75 95 48 c7 c7 b8 3a 46 b9 c6 05 95 [ 66.934340] RSP: 0018:ffffb0e582aa7e38 EFLAGS: 00010282 [ 66.940180] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 66.948153] RDX: ffff9caabadac660 RSI: ffff9caabad9bf70 RDI: ffff9caabad9bf70 [ 66.956128] RBP: ffffffffb94c7c40 R08: 0000000000000000 R09: 0000000000000000 [ 66.964100] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 66.972072] R13: ffffb0e582aa7f10 R14: ffffb0e582aa7f10 R15: ffff9caa43e97000 [ 66.980045] FS: 00007fa9b9041580(0000) GS:ffff9caabad80000(0000) knlGS:0000000000000000 : cat Tainted: G D W 5.10.128-cip10 #1 # [ 60.42[ 66.989089] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.001734] CR2: 00007fa9b8e5a000 CR3: 0000000103a5a002 CR4: 00000000003706e0 [ 67.009707] Call Trace: [ 67.012459] __refcount_add_not_zero.constprop.0+0x2a/0x31 3380] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [[ 67.018621] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x72 60.430182] RIP: 0010:0xffffb0e58067f000 # [ 60.434550] Cod[ 67.031056] direct_entry.cold+0x2c/0x38 e: Unable to access opcode bytes at RIP 0xffffb0e58067efd6. # [[ 67.041652] full_proxy_write+0x56/0x80 60.442226] RSP: 0018:ffffb0e5824b7e38 EFLAGS: 00010246 # [ [ 67.052146] vfs_write+0xea/0x390 [ 67.062059] ksys_write+0x68/0xe0 [ 67.065761] do_syscall_64+0x33/0x40 [ 67.069775] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 67.075416] RIP: 0033:0x7fa9b8f69f33 [ 67.079406] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 67.100387] RSP: 002b:00007ffca087b9d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 67.108843] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fa9b8f69f33 [ 67.116813] RDX: 000000000000001f RSI: 00007fa9b8e5a000 RDI: 0000000000000001 [ 67.124782] RBP: 00007fa9b8e5a000 R08: 00007fa9b8e59010 R09: 0000000000000000 [ 67.132751] R10: 00007fa9b90641c0 R11: 0000000000000246 R12: 0000000000000001 [ 67.140727] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 67.148698] irq event stamp: 0 [ 67.152105] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 67.159105] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 67.168242] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 67.177375] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 67.184366] ---[ end trace 6cc267e8849948f2 ]--- [ 67.189520] lkdtm: Overflow detected: saturated 60.448056] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 60.456022] RDX: 0000000000000000 RSI: ffff9caabac9bf70 RDI: ffff9caabac9bf70 # [ 60.463990] RBP: ffffb0e58067f000 R08: 0000000000000000 R09: 0000000000000000 # [ 60.471958] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 60.479925] R13: ffffb0e5824b7f10 R14: ffffb0e5824b7f10 R15: ffff9caa4299a000 # [ 60.487892] FS: 00007f1988e61580(0000) GS:ffff9caabac80000(0000) knlGS:0000000000000000 # [ 60.496925] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.503339] CR2: ffffb0e58067efd6 CR3: 00000001028d0006 CR4: 00000000003706e0 # [ 60.511304] Call Trace: # [ 60.514030] ? execute_location+0x48/0x56 # [ 60.518507] ? lkdtm_EX[ 67.263459] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW [ 67.276780] lkdtm: attempting bad refcount_add_not_zero() overflow [ 67.283691] ------------[ cut here ]------------ EC_VMALLOC+0x20/0x30 # [ 60.529382] ? direct_entry.cold+0x2c[ 67.288850] refcount_t: saturated; leaking memory. [ 67.300437] WARNING: CPU: 2 PID: 2150 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 /0x38 # [ 60.533952] ? full_proxy_write+0x56/0x80 # [ 60.[ 67.309776] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 67.342417] CPU: 2 PID: 2150 Comm: cat Tainted: G D W 5.10.128-cip10 #1 538425] ? vfs_write+0xea/0x390 # [ 60.542315] ? ksys_write+[ 67.351093] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 0x68/0xe0 # [ 60.546206] ? do_syscall_64+0x33/0x40 # [ 60[ 67.364118] RIP: 0010:refcount_warn_saturate+0x87/0xf0 [ 67.376066] Code: 05 d4 30 76 01 01 e8 0e ec 95 00 0f 0b c3 80 3d c7 30 76 01 00 75 b4 48 c7 c7 60 3a 46 b9 c6 05 b7 30 76 01 01 e8 ef eb 95 00 <0f> 0b c3 80 3d a5 30 76 01 00 75 95 48 c7 c7 b8 3a 46 b9 c6 05 95 .550388] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 60.5[ 67.397053] RSP: 0018:ffffb0e582b27e38 EFLAGS: 00010282 [ 67.409103] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 67.417073] RDX: ffff9caabad2c660 RSI: ffff9caabad1bf70 RDI: ffff9caabad1bf70 [ 67.425042] RBP: ffffffffb94c7c60 R08: 0000000000000000 R09: 0000000000000000 [ 67.433010] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 67.440985] R13: ffffb0e582b27f10 R14: ffffb0e582b27f10 R15: ffff9caa43d3b000 [ 67.448990] FS: 00007ff7c991b580(0000) GS:ffff9caabad00000(0000) knlGS:0000000000000000 [ 67.458053] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.464469] CR2: 00007ff7c9734000 CR3: 0000000104d40004 CR4: 00000000003706e0 [ 67.472438] Call Trace: [ 67.475169] __refcount_add_not_zero.constprop.0+0x2a/0x31 [ 67.481319] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x72 [ 67.487541] direct_entry.cold+0x2c/0x38 [ 67.491920] full_proxy_write+0x56/0x80 [ 67.496203] vfs_write+0xea/0x390 [ 67.499901] ksys_write+0x68/0xe0 [ 67.503601] do_syscall_64+0x33/0x40 [ 67.507590] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 67.513230] RIP: 0033:0x7ff7c9843f33 [ 67.517220] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 67.538202] RSP: 002b:00007fffcf125838 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 67.546683] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007ff7c9843f33 [ 67.554671] RDX: 000000000000001f RSI: 00007ff7c9734000 RDI: 0000000000000001 56211] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec[ 67.562650] RBP: 00007ff7c9734000 R08: 00007ff7c9733010 R09: 0000000000000000 [ 67.576829] R10: 00007ff7c993e1c0 R11: 0000000000000246 R12: 0000000000000001 [ 67.584798] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 67.592770] irq event stamp: 0 [ 67.596177] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 67.603179] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 67.612314] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 67.621449] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 67.628447] ---[ end trace 6cc267e8849948f3 ]--- [ 67.633599] lkdtm: Overflow detected: saturated _sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 60.588841] CR2: ffffb0e58067f000 # [ 60.592535] ---[ end trace 6cc267e8849948e7 ]--- # [ 60.597688] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 60.602053] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 2a 71 02 # [ 60.623031] RSP: 0018:ffffb0e581517e60 EFLAGS: 00010282 # [ 60.628863] RAX: ffffffffb84b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 60.636829] RDX: 0000000000000000 RSI: ffff9caabac9bf70 R[ 67.711688] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO DI: ffffffffb90d9a70 # [ 60.644796] RBP: ffffffffb9523298 R08[ 67.719655] lkdtm: attempting good refcount_dec() : 0000000000000001 R09: 0000000000000001 # [ 60.652764] R10: [ 67.731129] lkdtm: attempting bad refcount_dec() to zero 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 67.743277] ------------[ cut here ]------------ [ 60.660731] R13: ffffb0e581517f10 R14: ffffb0e581517f10 R15: [ 67.754634] refcount_t: decrement hit 0; leaking memory. ffff9caa460b7000 # [ 60.668699] FS: 00007f1988e61580(0000) G[ 67.766839] WARNING: CPU: 0 PID: 2182 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 S:ffff9caabac80000(0000) knlGS:0000000000000000 # [ 60.677732[ 67.782340] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.68[ 67.815008] CPU: 0 PID: 2182 Comm: cat Tainted: G D W 5.10.128-cip10 #1 4144] CR2: ffffb0e58067efd6 CR3: 00000001028d0006 CR4: 000000000[ 67.829860] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 03706e0 # EXEC_VMALLOC: saw 'call trace:': ok ok 33 selftests:[ 67.842886] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh # K[ 67.854828] Code: ff 48 c7 c7 10 3b 46 b9 c6 05 70 30 76 01 01 e8 ad eb 95 00 0f 0b c3 48 c7 c7 e0 3a 46 b9 c6 05 5b 30 76 01 01 e8 97 eb 95 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 illed # [ 60.761384] lkdtm: Performing direct entry EXEC_RODA[ 67.882093] RSP: 0018:ffffb0e582ba7e48 EFLAGS: 00010286 TA # [ 60.772445] lkdtm: attempting ok execution at ffffffffb[ 67.894085] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 84b1eb0 # [ 60.778967] lkdtm: attempting bad execution at fff[ 67.908275] RDX: ffff9caabac2c660 RSI: ffff9caabac1bf70 RDI: ffff9caabac1bf70 fffffb90d9f00 # [ 60.785600] kernel tried to execute NX-prote[ 67.922467] RBP: ffffffffb94c8019 R08: 0000000000000000 R09: 0000000000000000 cted page - exploit attempt? (uid: 0) # [ 60.793964] BUG: una[ 67.936681] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 ble to handle page fault for address: ffffffffb90d9f00 # [ 60[ 67.950842] R13: ffffb0e582ba7f10 R14: ffffb0e582ba7f10 R15: ffff9caa44f80000 .807855] #PF: supervisor instruction fetch in kernel mode # [ [ 67.965033] FS: 00007f3287198580(0000) GS:ffff9caabac00000(0000) knlGS:0000000000000000 60.814174] #PF: error_code(0x0011) - permissions violation # [[ 67.980287] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 60.820386] PGD 1ce29067 P4D 1ce29067 PUD 1ce2a063 PMD 8000000[ 67.992949] CR2: 00007f3286fb1000 CR3: 0000000104ac2006 CR4: 00000000003706f0 01c8000e1 # [ 60.827875] Oops: 0011 [#9] SMP PTI # [ 60.8[ 68.007113] Call Trace: 37979] CPU: 3 PID: 1771 Comm: cat Tainted: G D W 5.[ 68.016065] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xb9 10.128-cip10 #1 # [ 60.846624] Hardware name: Google Rammus/R[ 68.027234] direct_entry.cold+0x2c/0x38 ammus, BIOS 09/04/2020 # [ 60.853429] RIP: 0010:lkdtm_rodata[ 68.037836] full_proxy_write+0x56/0x80 _do_nothing+0x0/0x10 # [ 60.859163] Code: ff ff d9 72 b2 b8 f[ 68.048324] vfs_write+0xea/0x390 f ff ff ff aa 81 4c b9 ff ff ff ff 8f 5a b2 b8 ff ff ff ff 55 aa[ 68.058251] ksys_write+0x68/0xe0 55 aa 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0[ 68.068151] do_syscall_64+0x33/0x40 0 00 00 00 00 00 00 00 00 00 54 68 69 73 20 69 # [ 60.880140][ 68.078373] entry_SYSCALL_64_after_hwframe+0x44/0xa9 RSP: 0018:ffffb0e58255fe48 EFLAGS: 00010246 # [ 60.885972] R[ 68.090214] RIP: 0033:0x7f32870c0f33 AX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000[ 68.100432] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 60.893939] RDX: 0000000000000000 RSI: ffff9caabad9bf70 R[ 68.127615] RSP: 002b:00007ffe876fdbe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 DI: ffff9caabad9bf70 # [ 60.901907] RBP: ffffffffb90d9f00 R08[ 68.142298] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f32870c0f33 : 0000000000000000 R09: 0000000000000000 # [ 60.909872] R10: [ 68.156465] RDX: 0000000000000012 RSI: 00007f3286fb1000 RDI: 0000000000000001 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 68.170671] RBP: 00007f3286fb1000 R08: 00007f3286fb0010 R09: 0000000000000000 [ 60.917840] R13: ffffb0e58255ff10 R14: ffffb0e58255ff10 R15: [ 68.184840] R10: 00007f32871bb1c0 R11: 0000000000000246 R12: 0000000000000001 ffff9caa439a5000 # [ 60.925807] FS: 00007fcee658e580(0000) G[ 68.199045] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 S:ffff9caabad80000(0000) knlGS:0000000000000000 # [ 60.934842[ 68.213218] irq event stamp: 0 ] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.94[ 68.222859] hardirqs last enabled at (0): [<0000000000000000>] 0x0 1255] CR2: ffffffffb90d9f00 CR3: 0000000105b7e001 CR4: 000000000[ 68.236061] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 03706e0 # [ 60.949221] Call Trace: # [ 60.951947] ? execu[ 68.251430] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 te_location+0x48/0x56 # [ 60.956420] ? direct_entry.cold+0x2[ 68.266765] softirqs last disabled at (0): [<0000000000000000>] 0x0 c/0x38 # [ 60.960990] ? full_proxy_write+0x56/0x80 # [ 60[ 68.280000] ---[ end trace 6cc267e8849948f4 ]--- .965463] ? vfs_write+0xea/0x390 # [ 60.969343] ? ksys_write[ 68.291354] lkdtm: Zero detected: saturated +0x68/0xe0 # [ 60.973234] ? do_syscall_64+0x33/0x40 # [ 60.977415] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 60.983248] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 61.009701] CR2: ffffffffb90d9f00 # [ 61.019608] ---[ end trace 6cc267e8849948e8 ]--- # [ 61.024752] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 61.029126] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 2a 71 02 # [ 61.050101] RSP: 0018:ffffb0e581517e60 EFLAGS: 00010282 # [ 61.055933] RAX: ffffffffb84b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 61.063900] RDX: 0000000000000000 RSI: ffff9caabac9bf70 RDI: ffffffffb90d9a70 # [ 61.071864] RBP: ffffffffb9523298 R0[ 68.397427] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE 8: 0000000000000001 R09: 0000000000000001 # [ 61.079830] R10:[ 68.408399] lkdtm: attempting bad refcount_dec() below zero 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 #[ 68.420856] ------------[ cut here ]------------ [ 61.087796] R13: ffffb0e581517f10 R14: ffffb0e581517f10 R15:[ 68.432233] refcount_t: decrement hit 0; leaking memory. ffff9caa460b7000 # [ 61.095761] FS: 00007fcee658e580(0000) [ 68.444423] WARNING: CPU: 0 PID: 2217 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 GS:ffff9caabad80000(0000) knlGS:0000000000000000 # [ 61.10479[ 68.459953] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 6] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.1[ 68.492595] CPU: 0 PID: 2217 Comm: cat Tainted: G D W 5.10.128-cip10 #1 11209] CR2: ffffffffb90d9f00 CR3: 0000000105b7e001 CR4: 00000000[ 68.507447] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 003706e0 # [ 61.119177] BUG: sleeping function called from in[ 68.520512] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 valid context at include/linux/percpu-rwsem.h:49 # [ 61.12908[ 68.532429] Code: ff 48 c7 c7 10 3b 46 b9 c6 05 70 30 76 01 01 e8 ad eb 95 00 0f 0b c3 48 c7 c7 e0 3a 46 b9 c6 05 5b 30 76 01 01 e8 97 eb 95 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 4] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1771, [ 68.559668] RSP: 0018:ffffb0e582c17e48 EFLAGS: 00010286 name: cat # [ 61.137535] INFO: lockdep is turned off. # [ [ 68.571706] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 61.141909] irq event stamp: 0 # [ 61.145314] hardirqs last e[ 68.585965] RDX: ffff9caabac2c660 RSI: ffff9caabac1bf70 RDI: ffff9caabac1bf70 nabled at (0): [<0000000000000000>] 0x0 # [ 61.152302] hardir[ 68.600196] RBP: ffffffffb94c802b R08: 0000000000000000 R09: 0000000000000000 qs last disabled at (0): [] copy_process+0x63c[ 68.614364] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 /0x1c80 # [ 61.161435] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 61.170557] softir[ 68.642752] FS: 00007f2e5084b580(0000) GS:ffff9caabac00000(0000) knlGS:0000000000000000 qs last disabled at (0): [<0000000000000000>] 0x0 # [ 61.1775[ 68.658012] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 52] CPU: 3 PID: 1771 Comm: cat Tainted: G D W 5.10.[ 68.670638] CR2: 00007f2e50664000 CR3: 000000010381a006 CR4: 00000000003706f0 128-cip10 #1 # [ 61.186197] Hardware name: Google Rammus/Ramm[ 68.684833] Call Trace: us, BIOS 09/04/2020 # [ 61.192997] Call Trace: # [ 61.195[ 68.693761] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x5d 733] dump_stack+0x77/0x97 # [ 61.199429] ___might_sleep.col[ 68.705343] direct_entry.cold+0x2c/0x38 d+0xa6/0xb6 # [ 61.203999] exit_signals+0x1c/0x2d0 # [ 61[ 68.715924] full_proxy_write+0x56/0x80 .207987] do_exit+0xd5/0xb00 # [ 61.211489] ? ksys_write+0x6[ 68.726430] vfs_write+0xea/0x390 8/0xe0 # [ 61.215370] rewind_stack_do_exit+0x17/0x20 # [ [ 68.736331] ksys_write+0x68/0xe0 61.220036] RIP: 0033:0x7fcee64b6f33 # [ 61.224021] Code: 8b 1[ 68.746254] do_syscall_64+0x33/0x40 5 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00[ 68.756449] entry_SYSCALL_64_after_hwframe+0x44/0xa9 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3[ 68.768310] RIP: 0033:0x7f2e50773f33 d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 #[ 68.778508] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 61.244996] RSP: 002b:00007ffdf81b8168 EFLAGS: 00000246 ORIG[ 68.805727] RSP: 002b:00007ffef4ab68a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 _RAX: 0000000000000001 # [ 61.253449] RAX: ffffffffffffffda R[ 68.820375] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f2e50773f33 BX: 000000000000000c RCX: 00007fcee64b6f33 # [ 61.261415] RDX[ 68.834576] RDX: 0000000000000016 RSI: 00007f2e50664000 RDI: 0000000000000001 : 000000000000000c RSI: 00007fcee63a7000 RDI: 0000000000000001 [ 68.848747] RBP: 00007f2e50664000 R08: 00007f2e50663010 R09: 0000000000000000 # [ 61.269383] RBP: 00007fcee63a7000 R08: 00007fcee63a6010 R09[ 68.862949] R10: 00007f2e5086e1c0 R11: 0000000000000246 R12: 0000000000000001 : 0000000000000000 # [ 61.277350] R10: 00007fcee65b11c0 R11: [ 68.877116] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0000000000000246 R12: 0000000000000001 # [ 61.285315] R13: 00[ 68.891319] irq event stamp: 0 00000000000001 R14: 0000000000020000 R15: 0000000000020000 # EX[ 68.900930] hardirqs last enabled at (0): [<0000000000000000>] 0x0 EC_RODATA: saw 'call trace:': ok ok 34 selftests: lkdtm: EXEC_R[ 68.914170] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 ODATA.sh # selftests: lkdtm: EXEC_USERSPACE.sh # Killed # [ [ 68.929497] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 61.444505] lkdtm: Performing direct entry EXEC_USERSPACE # [ [ 68.944866] softirqs last disabled at (0): [<0000000000000000>] 0x0 61.454772] lkdtm: attempting ok execution at ffffffffb84b1eb0 [ 68.958064] ---[ end trace 6cc267e8849948f5 ]--- # [ 61.467510] lkdtm: attempting bad execution at 00007f3473f6[ 68.969451] lkdtm: Negative detected: saturated 9000 # [ 61.480330] unable to execute userspace code (SMEP?) (uid: 0) # [ 61.492920] BUG: unable to handle page fault for address: 00007f3473f69000 # [ 61.500596] #PF: supervisor instruction fetch in kernel mode # [ 61.506911] #PF: error_code(0x0011) - permissions violation # [ 61.513129] PGD 8000000103ea4067 P4D 8000000103ea4067 PUD 105ad7067 PMD 104c20067 PTE 107ef3067 # [ 61.522838] Oops: 0011 [#10] SMP PTI # [ 61.526825] CPU: 0 PID: 1808 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 61.535464] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 61.542266] RIP: 0010:0x7f3473f69000 # [ 61.546252] Code: Unable to access opcode bytes at RIP 0x7f3473f68fd6. # [ 61.553539] RSP: 0018:ffffb0e5825f7e50 EFLAGS: 00010246 # [ 61.559370] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 # [ 61.567338] RDX: 0000000000000000 RSI: ffff9caabac1bf70 RDI: ffff9caabac1bf70 # [ 61.575305] RBP: 00007f3473f69000 R08: 0000000000000000 R09: 0000000000000000 # [ 61.583273] R10: 00000000ffffe000 R11: 3fffffffffffff[ 69.082159] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE [ 69.093958] lkdtm: attempting bad refcount_dec_and_test() below zero [ 69.101095] ------------[ cut here ]------------ [ 69.106282] refcount_t: underflow; use-after-free. [ 69.111665] WARNING: CPU: 3 PID: 2252 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 [ 69.121000] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 69.147458] CPU: 3 PID: 2252 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 69.156109] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 69.162916] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 [ 69.168657] Code: 05 b7 30 76 01 01 e8 ef eb 95 00 0f 0b c3 80 3d a5 30 76 01 00 75 95 48 c7 c7 b8 3a 46 b9 c6 05 95 30 76 01 01 e8 d0 eb 95 00 <0f> 0b c3 80 3d 84 30 76 01 00 0f 85 72 ff ff ff 48 c7 c7 10 3b 46 [ 69.189643] RSP: 0018:ffffb0e582cafe40 EFLAGS: 00010286 [ 69.195482] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 [ 69.203455] RDX: ffff9caabadac660 RSI: ffff9caabad9bf70 RDI: ffff9caabad9bf70 [ 69.211429] RBP: ffffffffb94c7c80 R08: 0000000000000000 R09: 0000000000000000 [ 69.219402] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 69.227375] R13: ffffb0e582caff10 R14: ffffb0e582caff10 R15: ffff9caa438bb000 [ 69.235347] FS: 00007f325297f580(0000) GS:ffff9caabad80000(0000) knlGS:0000000000000000 [ 69.244388] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.250798] CR2: 00007f3252798000 CR3: 000000010381a001 CR4: 00000000003706e0 [ 69.258772] Call Trace: [ 69.261502] __refcount_sub_and_test.constprop.0+0x34/0x40 ff R12: 000000000000000f # [ 61.591239] R13: ffffb0e5825f7f10[ 69.267655] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x74 R14: ffffb0e5825f7f10 R15: ffff9caa460a2000 # [ 61.599208] F[ 69.280095] direct_entry.cold+0x2c/0x38 [ 69.290700] full_proxy_write+0x56/0x80 S: 00007f3473f3a580(0000) GS:ffff9caabac00000(0000) knlGS:00000[ 69.295007] vfs_write+0xea/0x390 00000000000 # [ 61.608242] CS: 0010 DS: 0000 ES: 0000 CR0: 0[ 69.304922] ksys_write+0x68/0xe0 [ 69.314835] do_syscall_64+0x33/0x40 [ 69.318826] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 69.324468] RIP: 0033:0x7f32528a7f33 [ 69.328459] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 69.349464] RSP: 002b:00007ffcb47d7228 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 000000080050033 # [ 61.614679] CR2: 00007f3473f69000 CR3: 000[ 69.357934] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f32528a7f33 [ 69.372114] RDX: 000000000000001f RSI: 00007f3252798000 RDI: 0000000000000001 [ 69.380085] RBP: 00007f3252798000 R08: 00007f3252797010 R09: 0000000000000000 [ 69.388054] R10: 00007f32529a21c0 R11: 0000000000000246 R12: 0000000000000001 [ 69.396023] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 69.403995] irq event stamp: 0 [ 69.407401] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 69.414403] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 69.423540] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 69.432685] softirqs last disabled at (0): [<0000000000000000>] 0x0 0000102780004 CR4: 00000000003706f0 # [ 61.622646] Call Trace[ 69.439688] ---[ end trace 6cc267e8849948f6 ]--- [ 69.451055] lkdtm: Negative detected: saturated : # [ 61.625374] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae # [ 61.630728] ? direct_entry.cold+0x2c/0x38 # [ 61.635298] ? full_proxy_write+0x56/0x80 # [ 61.639763] ? vfs_write+0xea/0x390 # [ 61.643653] ? ksys_write+0x68/0xe0 # [ 61.647568] ? do_syscall_64+0x33/0x40 # [ 61.651750] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 61.657582] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 61.684013] CR2: 00007f3473f69000 # [ 61.687723] ---[ end trace 6cc267e8849948e9 ]--- # [ 61.692881] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 61.697257] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 [ 69.534550] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc c[ 69.544537] lkdtm: attempting bad refcount_sub_and_test() below zero c 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 69.557872] ------------[ cut here ]------------ 00 83 05 30 2a 71 02 # [ 61.718224] RSP: 0018:ffffb0e581517e6[ 69.569234] refcount_t: underflow; use-after-free. 0 EFLAGS: 00010282 # [ 61.724056] RAX: ffffffffb84b1ae0 RBX: [ 69.580849] WARNING: CPU: 0 PID: 2287 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 0000000000000001 RCX: 0000000000000000 # [ 61.732021] RDX: 00[ 69.596362] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 00000000000000 RSI: ffff9caabac9bf70 RDI: ffffffffb90d9a70 # [ [ 69.629010] CPU: 0 PID: 2287 Comm: cat Tainted: G D W 5.10.128-cip10 #1 61.739987] RBP: ffffffffb9523298 R08: 0000000000000001 R09: 00[ 69.643846] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 00000000000001 # [ 61.747952] R10: 00000000ffffe000 R11: 3fff[ 69.656897] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 ffffffffffff R12: 0000000000000004 # [ 61.755918] R13: ffffb0[ 69.668817] Code: 05 b7 30 76 01 01 e8 ef eb 95 00 0f 0b c3 80 3d a5 30 76 01 00 75 95 48 c7 c7 b8 3a 46 b9 c6 05 95 30 76 01 01 e8 d0 eb 95 00 <0f> 0b c3 80 3d 84 30 76 01 00 0f 85 72 ff ff ff 48 c7 c7 10 3b 46 e581517f10 R14: ffffb0e581517f10 R15: ffff9caa460b7000 # [ 61[ 69.696037] RSP: 0018:ffffb0e582d07e40 EFLAGS: 00010286 .763885] FS: 00007f3473f3a580(0000) GS:ffff9caabac00000(0000) k[ 69.708064] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 nlGS:0000000000000000 # [ 61.772921] CS: 0010 DS: 0000 ES: 0[ 69.722270] RDX: ffff9caabac2c660 RSI: ffff9caabac1bf70 RDI: ffff9caabac1bf70 000 CR0: 0000000080050033 # [ 61.779335] CR2: 00007f3473f6900[ 69.736438] RBP: ffffffffb94c7ca0 R08: 0000000000000000 R09: 0000000000000000 0 CR3: 0000000102780004 CR4: 00000000003706f0 # EXEC_USERSPACE:[ 69.750648] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f saw 'call trace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.s[ 69.764811] R13: ffffb0e582d07f10 R14: ffffb0e582d07f10 R15: ffff9caa4406b000 h # selftests: lkdtm: EXEC_NULL.sh # Killed # [ 61.885757] [ 69.779018] FS: 00007f1dcdbbc580(0000) GS:ffff9caabac00000(0000) knlGS:0000000000000000 lkdtm: Performing direct entry EXEC_NULL # [ 61.892309] lkdtm[ 69.794256] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 : attempting ok execution at ffffffffb84b1eb0 # [ 61.898839] [ 69.806900] CR2: 00007f1dcd9d5000 CR3: 00000001026ea003 CR4: 00000000003706f0 lkdtm: attempting bad execution at 0000000000000000 # [ 61.90[ 69.821073] Call Trace: 5470] BUG: kernel NULL pointer dereference, address: 00000000000[ 69.830025] __refcount_sub_and_test.constprop.0+0x34/0x40 00000 # [ 61.913252] #PF: supervisor instruction fetch in ker[ 69.842356] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x77 nel mode # [ 61.919568] #PF: error_code(0x0010) - not-present[ 69.854801] direct_entry.cold+0x2c/0x38 page # [ 61.925302] PGD 0 P4D 0 # [ 61.928125] Oops: 001[ 69.865395] full_proxy_write+0x56/0x80 0 [#11] SMP PTI # [ 61.932112] CPU: 3 PID: 1844 Comm: cat Tai[ 69.875900] vfs_write+0xea/0x390 nted: G D W 5.10.128-cip10 #1 # [ 61.940758] Har[ 69.885805] ksys_write+0x68/0xe0 dware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 61.947[ 69.895727] do_syscall_64+0x33/0x40 561] RIP: 0010:0x0 # [ 61.950481] Code: Unable to access opco[ 69.905923] entry_SYSCALL_64_after_hwframe+0x44/0xa9 de bytes at RIP 0xffffffffffffffd6. # [ 61.958146] RSP: 0018:[ 69.917790] RIP: 0033:0x7f1dcdae4f33 ffffb0e582687e48 EFLAGS: 00010246 # [ 61.963977] RAX: 0000000[ 69.927981] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 61.[ 69.955205] RSP: 002b:00007fffea877658 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 971943] RDX: 0000000000000000 RSI: ffff9caabad9bf70 RDI: ffff9ca[ 69.969860] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f1dcdae4f33 abad9bf70 # [ 61.979909] RBP: 0000000000000000 R08: 000000000[ 69.984063] RDX: 000000000000001f RSI: 00007f1dcd9d5000 RDI: 0000000000000001 0000000 R09: 0000000000000000 # [ 61.987875] R10: 00000000fff[ 69.998231] RBP: 00007f1dcd9d5000 R08: 00007f1dcd9d4010 R09: 0000000000000000 fe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 61.9958[ 70.012427] R10: 00007f1dcdbdf1c0 R11: 0000000000000246 R12: 0000000000000001 43] R13: ffffb0e582687f10 R14: ffffb0e582687f10 R15: ffff9caa439[ 70.026595] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 a3000 # [ 62.003810] FS: 00007fbd6b494580(0000) GS:ffff9caab[ 70.040815] irq event stamp: 0 ad80000(0000) knlGS:0000000000000000 # [ 62.012844] CS: 0010[ 70.050411] hardirqs last enabled at (0): [<0000000000000000>] 0x0 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.019255] CR2: [ 70.063625] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 ffffffffffffffd6 CR3: 000000010264c001 CR4: 00000000003706e0 # [ 70.078971] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 62.027221] Call Trace: # [ 62.029948] execute_location+0[ 70.094304] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 70.107518] ---[ end trace 6cc267e8849948f7 ]--- x48/0x56 # [ 62.034227] direct_entry.cold+0x2c/0x38 # [ 6[ 70.112696] lkdtm: Negative detected: saturated 2.038595] full_proxy_write+0x56/0x80 # [ 62.042873] vfs_write+0xea/0x390 # [ 62.046568] ksys_write+0x68/0xe0 # [ 62.050264] do_syscall_64+0x33/0x40 # [ 62.054243] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 62.059880] RIP: 0033:0x7fbd6b3bcf33 # [ 62.063866] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 62.084844] RSP: 002b:00007ffdaa6b2678 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.093297] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fbd6b3bcf33 # [ 62.101265] RDX: 000000000000000a RSI: 00007fbd6b2ad000 RDI: 0000000000000001 # [ 62.109233] RBP: 00007fbd6b2ad000 R08: 00007fbd6b2ac010 R09: 0000000000000000 # [ 62.117200] R10: 00007fbd6b4b71c0 R11: 0000000000000246 R12: 000000[ 70.205181] lkdtm: Performing direct entry REFCOUNT_INC_ZERO [ 70.217297] lkdtm: attempting safe refcount_inc_not_zero() from zero [ 70.224432] lkdtm: Good: zero detected [ 70.228633] lkdtm: Correctly stayed at zero [ 70.233314] lkdtm: attempting bad refcount_inc() from zero [ 70.239444] ------------[ cut here ]------------ [ 70.244601] refcount_t: addition on 0; use-after-free. [ 70.250350] WARNING: CPU: 3 PID: 2319 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 0000000001 # [ 62.125166] R13: 0000000000000001 R14: 00000000[ 70.259686] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 70.292322] CPU: 3 PID: 2319 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 70.300970] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 70.307775] RIP: 0010:refcount_warn_saturate+0x68/0xf0 [ 70.313511] Code: 05 f4 30 76 01 01 e8 2d ec 95 00 0f 0b c3 80 3d e4 30 76 01 00 75 d3 48 c7 c7 88 3a 46 b9 c6 05 d4 30 76 01 01 e8 0e ec 95 00 <0f> 0b c3 80 3d c7 30 76 01 00 75 b4 48 c7 c7 60 3a 46 b9 c6 05 b7 [ 70.334491] RSP: 0018:ffffb0e582d97e48 EFLAGS: 00010286 [ 70.340324] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 [ 70.348286] RDX: ffff9caabadac660 RSI: ffff9caabad9bf70 RDI: ffff9caabad9bf70 [ 70.356257] RBP: ffffffffb94c8041 R08: 0000000000000000 R09: 0000000000000000 [ 70.364226] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 70.372196] R13: ffffb0e582d97f10 R14: ffffb0e582d97f10 R15: ffff9caa44fc9000 [ 70.380167] FS: 00007fa8ba419580(0000) GS:ffff9caabad80000(0000) knlGS:0000000000000000 [ 70.389208] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 00020000 R15: 0000000000020000 # [ 62.133135] Modules linked [ 70.395628] CR2: 00007fa8ba232000 CR3: 0000000105b7c002 CR4: 00000000003706e0 [ 70.409808] Call Trace: in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industri[ 70.412541] lkdtm_REFCOUNT_INC_ZERO+0x99/0xbd alio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cro[ 70.423717] direct_entry.cold+0x2c/0x38 s_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x8[ 70.434312] full_proxy_write+0x56/0x80 6_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 62.15957[ 70.444811] vfs_write+0xea/0x390 7] CR2: 0000000000000000 # [ 62.169485] ---[ end trace 6cc267[ 70.454727] ksys_write+0x68/0xe0 e8849948ea ]--- # [ 62.174638] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 70.464645] do_syscall_64+0x33/0x40 [ 70.474851] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 62.179013] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7[ 70.480495] RIP: 0033:0x7fa8ba341f33 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc [ 70.490697] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44[ 70.517899] RSP: 002b:00007fff22c03cb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 70.532576] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fa8ba341f33 00 00 83 05 30 2a 71 02 # [ 62.199992] RSP: 0018:ffffb0e5815[ 70.540550] RDX: 0000000000000012 RSI: 00007fa8ba232000 RDI: 0000000000000001 [ 70.554737] RBP: 00007fa8ba232000 R08: 00007fa8ba231010 R09: 0000000000000000 17e60 EFLAGS: 00010282 # [ 62.205824] RAX: ffffffffb84b1ae0 R[ 70.562710] R10: 00007fa8ba43c1c0 R11: 0000000000000246 R12: 0000000000000001 [ 70.576895] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 BX: 0000000000000001 RCX: 0000000000000000 # [ 62.213792] RDX[ 70.584870] irq event stamp: 0 [ 70.594488] hardirqs last enabled at (0): [<0000000000000000>] 0x0 : 0000000000000000 RSI: ffff9caabac9bf70 RDI: ffffffffb90d9a70 [ 70.601492] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 70.616840] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 62.221759] RBP: ffffffffb9523298 R08: 0000000000000001 R09[ 70.625979] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 70.639193] ---[ end trace 6cc267e8849948f8 ]--- : 0000000000000001 # [ 62.229733] R10: 00000000ffffe000 R11: [ 70.644351] lkdtm: Zero detected: saturated 3fffffffffffffff R12: 0000000000000004 # [ 62.237700] R13: ffffb0e581517f10 R14: ffffb0e581517f10 R15: ffff9caa460b7000 # [ 62.245678] FS: 00007fbd6b494580(0000) GS:ffff9caabad80000(0000) knlGS:0000000000000000 # [ 62.254729] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.261138] CR2: ffffffffffffffd6 CR3: 000000010264c001 CR4: 00000000003706e0 # [ 62.269107] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 62.279006] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1844, name: cat # [ 62.287458] INFO: lockdep is turned off. # [ 62.291832] irq event stamp: 0 # [ 62.295236] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 62.302235] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 62.311370] softirqs last enabled at (0): [] copy_proc[ 70.740602] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO [ 70.748671] lkdtm: attempting safe refcount_add_not_zero() from zero [ 70.755773] lkdtm: Good: zero detected ess+0x63c/0x1c80 # [ 62.326726] softirqs last disabled at (0)[ 70.759961] lkdtm: Correctly stayed at zero : [<0000000000000000>] 0x0 # [ 62.333755] CPU: 3 PID: 1844 Co[ 70.770843] lkdtm: attempting bad refcount_add() from zero [ 70.783186] ------------[ cut here ]------------ [ 70.788348] refcount_t: addition on 0; use-after-free. [ 70.794117] WARNING: CPU: 3 PID: 2351 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 mm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 62.[ 70.803457] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 70.836090] CPU: 3 PID: 2351 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 70.844742] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 70.851551] RIP: 0010:refcount_warn_saturate+0x68/0xf0 [ 70.857311] Code: 05 f4 30 76 01 01 e8 2d ec 95 00 0f 0b c3 80 3d e4 30 76 01 00 75 d3 48 c7 c7 88 3a 46 b9 c6 05 d4 30 76 01 01 e8 0e ec 95 00 <0f> 0b c3 80 3d c7 30 76 01 00 75 b4 48 c7 c7 60 3a 46 b9 c6 05 b7 [ 70.878299] RSP: 0018:ffffb0e582e0fe48 EFLAGS: 00010286 [ 70.884165] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 [ 70.892137] RDX: ffff9caabadac660 RSI: ffff9caabad9bf70 RDI: ffff9caabad9bf70 [ 70.900111] RBP: ffffffffb94c8053 R08: 0000000000000000 R09: 0000000000000000 [ 70.908084] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 70.916057] R13: ffffb0e582e0ff10 R14: ffffb0e582e0ff10 R15: ffff9caa4402b000 [ 70.924030] FS: 00007f116be5a580(0000) GS:ffff9caabad80000(0000) knlGS:0000000000000000 [ 70.933069] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.939488] CR2: 00007f116bc73000 CR3: 000000010275a005 CR4: 00000000003706e0 [ 70.947461] Call Trace: [ 70.950193] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xbd [ 70.955158] direct_entry.cold+0x2c/0x38 [ 70.959569] full_proxy_write+0x56/0x80 [ 70.963854] vfs_write+0xea/0x390 [ 70.967586] ksys_write+0x68/0xe0 [ 70.971288] do_syscall_64+0x33/0x40 [ 70.975311] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 70.980956] RIP: 0033:0x7f116bd82f33 [ 70.984946] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 71.005933] RSP: 002b:00007ffe4c0d3828 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 71.014423] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f116bd82f33 [ 71.022396] RDX: 0000000000000012 RSI: 00007f116bc73000 RDI: 0000000000000001 [ 71.030368] RBP: 00007f116bc73000 R08: 00007f116bc72010 R09: 0000000000000000 [ 71.038342] R10: 00007f116be7d1c0 R11: 0000000000000246 R12: 0000000000000001 342402] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 #[ 71.046316] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 62.349203] Call Trace: # [ 62.351930] dump_stack+0x77/0[ 71.060504] irq event stamp: 0 [ 71.070128] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 71.077164] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 71.086334] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 71.095473] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 71.102475] ---[ end trace 6cc267e8849948f9 ]--- [ 71.107632] lkdtm: Zero detected: saturated x97 # [ 62.355626] ___might_sleep.cold+0xa6/0xb6 # [ 62.360196] exit_signals+0x1c/0x2d0 # [ 62.364185] do_exit+0xd5/0xb00 # [ 62.367681] ? ksys_write+0x68/0xe0 # [ 62.371572] rewind_stack_do_exit+0x17/0x20 # [ 62.376239] RIP: 0033:0x7fbd6b3bcf33 # [ 62.380226] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 62.401204] RSP: 002b:00007ffdaa6b2678 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.409680] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fbd6b3bcf33 # [ 62.417648] RDX: 000000000000000a RSI: 00007fbd6b2ad000 RDI: 0000000000000001 # [ 62.425615] RBP: 00007fbd6b2ad000 R08: 00007fbd6b2ac010 R09: 0000000000000000 # [[ 71.191453] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED [ 71.199959] lkdtm: attempting bad refcount_inc() from saturated [ 71.206582] ------------[ cut here ]------------ [ 71.211747] refcount_t: saturated; leaking memory. [ 71.217155] WARNING: CPU: 2 PID: 2386 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 62.433581] R10: 00007fbd6b4b71c0 R11: 0000000000000246 R12: 0[ 71.226497] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 71.259128] CPU: 2 PID: 2386 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 71.267781] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 71.274591] RIP: 0010:refcount_warn_saturate+0x49/0xf0 [ 71.280330] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 04 31 76 01 00 75 f2 48 c7 c7 60 3a 46 b9 c6 05 f4 30 76 01 01 e8 2d ec 95 00 <0f> 0b c3 80 3d e4 30 76 01 00 75 d3 48 c7 c7 88 3a 46 b9 c6 05 d4 [ 71.301337] RSP: 0018:ffffb0e582e9fe48 EFLAGS: 00010286 [ 71.307177] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 [ 71.315149] RDX: ffff9caabad2c660 RSI: ffff9caabad1bf70 RDI: ffff9caabad1bf70 [ 71.323124] RBP: ffffffffb94c8065 R08: 0000000000000000 R09: 0000000000000000 [ 71.331097] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 000000000000001 # [ 62.441548] R13: 0000000000000001 R14: 000[ 71.339070] R13: ffffb0e582e9ff10 R14: ffffb0e582e9ff10 R15: ffff9caa44e8b000 0000000020000 R15: 0000000000020000 # EXEC_NULL: saw 'call trac[ 71.353257] FS: 00007fcfd5ccc580(0000) GS:ffff9caabad00000(0000) knlGS:0000000000000000 [ 71.368511] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.374928] CR2: 00007fcfd5ae5000 CR3: 0000000104e96006 CR4: 00000000003706e0 [ 71.382899] Call Trace: [ 71.385628] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x60 [ 71.391101] direct_entry.cold+0x2c/0x38 [ 71.395482] full_proxy_write+0x56/0x80 [ 71.399787] vfs_write+0xea/0x390 e:': ok ok 36 selftests: lkdtm: EXEC_NULL.sh # selftests: lkdt[ 71.403502] ksys_write+0x68/0xe0 [ 71.413406] do_syscall_64+0x33/0x40 [ 71.417396] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 71.423038] RIP: 0033:0x7fcfd5bf4f33 [ 71.427029] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 71.448014] RSP: 002b:00007ffd9d5dc478 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 71.456471] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fcfd5bf4f33 [ 71.464441] RDX: 0000000000000017 RSI: 00007fcfd5ae5000 RDI: 0000000000000001 [ 71.472410] RBP: 00007fcfd5ae5000 R08: 00007fcfd5ae4010 R09: 0000000000000000 [ 71.480381] R10: 00007fcfd5cef1c0 R11: 0000000000000246 R12: 0000000000000001 [ 71.488352] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 71.496324] irq event stamp: 0 [ 71.499738] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 71.506739] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 71.515876] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 71.525011] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 71.532011] ---[ end trace 6cc267e8849948fa ]--- [ 71.537165] lkdtm: Saturation detected: still saturated m: ACCESS_USERSPACE.sh # Killed # [ 62.547101] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 62.555307] lkdtm: attempting bad read at 00007fceef217000 # [ 62.567648] BUG: unable to handle page fault for address: 00007fceef217000 # [ 62.581505] #PF: supervisor read access in kernel mode # [ 62.587240] #PF: error_code(0x0001) - permissions violation # [ 62.593460] PGD 8000000104f80067 P4D 8000000104f80067 PUD 104bcc067 PMD 10305f067 PTE 10b8a9067 # [ 62.603182] Oops: 0001 [#12] SMP PTI # [ 62.607170] CPU: 0 PID: 1879 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 62.615819] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 62.622615] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x3d/0x9f # [ 62.628839] Code: 2b 04 25 28 00 00 00 75 60 48 83 c4 10 5d c3 48 89 ee 48 c7 c7 c8 8e 4c b9 e8 73 9d fd ff 48 c7 c7 f0 8e 4c b9 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 5a 9d fd ff 48 89 ee 48 c7 c7 18 8f[ 71.630251] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED 4c # [ 62.649817] RSP: 0018:ffffb0e5826ffe48 EFLAGS: 0001024[ 71.643088] lkdtm: attempting bad refcount_dec() from saturated 6 # [ 62.655650] RAX: 00000000c0dec0de RBX: 0000000000000026 [ 71.655912] ------------[ cut here ]------------ RCX: 0000000000000000 # [ 62.663615] RDX: 0000000000000000 RS[ 71.667282] refcount_t: decrement hit 0; leaking memory. I: ffff9caabac1bf70 RDI: ffffffffb94c8ef0 # [ 62.671580] RBP:[ 71.679443] WARNING: CPU: 1 PID: 2421 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 00007fceef217000 R08: 0000000000000000 R09: 0000000000000000 #[ 71.694976] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 62.679547] R10: 00000000ffffe000 R11: 3fffffffffffffff R12:[ 71.727637] CPU: 1 PID: 2421 Comm: cat Tainted: G D W 5.10.128-cip10 #1 0000000000000011 # [ 62.687513] R13: ffffb0e5826fff10 R14: f[ 71.742483] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 71.755505] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 fffb0e5826fff10 R15: ffff9caa459d0000 # [ 62.695479] FS: 000[ 71.761269] Code: ff 48 c7 c7 10 3b 46 b9 c6 05 70 30 76 01 01 e8 ad eb 95 00 0f 0b c3 48 c7 c7 e0 3a 46 b9 c6 05 5b 30 76 01 01 e8 97 eb 95 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 [ 71.788464] RSP: 0018:ffffb0e582e6fe48 EFLAGS: 00010286 07fceef1e8580(0000) GS:ffff9caabac00000(0000) knlGS:000000000000[ 71.794303] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 [ 71.808484] RDX: ffff9caabacac660 RSI: ffff9caabac9bf70 RDI: ffff9caabac9bf70 [ 71.816456] RBP: ffffffffb94c807c R08: 0000000000000000 R09: 0000000000000000 [ 71.824427] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 71.832398] R13: ffffb0e582e6ff10 R14: ffffb0e582e6ff10 R15: ffff9caa43b94000 [ 71.840369] FS: 00007f3fcc756580(0000) GS:ffff9caabac80000(0000) knlGS:0000000000000000 [ 71.849409] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.855825] CR2: 00007f3fcc56f000 CR3: 0000000103c28005 CR4: 00000000003706e0 [ 71.863786] Call Trace: 0000 # [ 62.704504] CS: 0010 DS: 0000 ES: 0000 CR0: 00000000[ 71.866516] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5b [ 71.878179] direct_entry.cold+0x2c/0x38 80050033 # [ 62.710918] CR2: 00007fceef217000 CR3: 0000000102[ 71.882584] full_proxy_write+0x56/0x80 6f0004 CR4: 00000000003706f0 # [ 62.718883] Call Trace: # [ [ 71.893074] vfs_write+0xea/0x390 62.721609] direct_entry.cold+0x2c/0x38 # [ 62.725993] ful[ 71.902987] ksys_write+0x68/0xe0 l_proxy_write+0x56/0x80 # [ 62.730276] vfs_write+0xea/0x390[ 71.912900] do_syscall_64+0x33/0x40 [ 71.923103] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 62.733971] ksys_write+0x68/0xe0 [ 71.928771] RIP: 0033:0x7f3fcc67ef33 [ 71.936738] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 62.737668] do_syscall_64+0x33/0x40[ 71.957729] RSP: 002b:00007ffd44ffa268 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 71.970169] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f3fcc67ef33 [ 71.978338] RDX: 0000000000000017 RSI: 00007f3fcc56f000 RDI: 0000000000000001 # [ 62.741655] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ [ 71.986323] RBP: 00007f3fcc56f000 R08: 00007f3fcc56e010 R09: 0000000000000000 62.747284] RIP: 0033:0x7fceef110f33 # [ 62.751271] Code: 8b[ 72.000517] R10: 00007f3fcc7791c0 R11: 0000000000000246 R12: 0000000000000001 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f [ 72.014710] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48>[ 72.028905] irq event stamp: 0 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18[ 72.038530] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 62.772238] RSP: 002b:00007ffc3a390f38 EFLAGS: 00000246 OR[ 72.051752] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 IG_RAX: 0000000000000001 # [ 62.780691] RAX: ffffffffffffffda[ 72.067108] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 RBX: 0000000000000011 RCX: 00007fceef110f33 # [ 62.788658] R[ 72.082464] softirqs last disabled at (0): [<0000000000000000>] 0x0 DX: 0000000000000011 RSI: 00007fceef001000 RDI: 0000000000000001[ 72.095685] ---[ end trace 6cc267e8849948fb ]--- # [ 62.796625] RBP: 00007fceef001000 R08: 00007fceef000010 R[ 72.107059] lkdtm: Saturation detected: still saturated 09: 0000000000000000 # [ 62.804592] R10: 00007fceef20b1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 62.812558] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 62.820527] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 62.846960] CR2: 00007fceef217000 # [ 62.850655] ---[ end trace 6cc267e8849948eb ]--- # [ 62.855808] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 62.860174] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 2a 71 02 # [ 62.881150] RSP: 0018:ffffb0e581517e60 EFLAGS: 00010282 # [ 62.886972] RAX: ffffffffb84b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 62.894938] RDX: 0000000000000000 RSI: ffff9caaba[ 72.215453] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED [ 72.225380] lkdtm: attempting bad refcount_dec() from saturated [ 72.232003] ------------[ cut here ]------------ c9bf70 RDI: ffffffffb90d9a70 # [ 62.902905] RBP: ffffffffb952[ 72.237168] refcount_t: saturated; leaking memory. [ 72.248743] WARNING: CPU: 2 PID: 2456 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 [ 72.258081] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 3298 R08: 0000000000000001 R09: 0000000000000001 # [ 62.91086[ 72.284546] CPU: 2 PID: 2456 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 72.299426] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 9] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000[ 72.306249] RIP: 0010:refcount_warn_saturate+0x49/0xf0 [ 72.318191] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 04 31 76 01 00 75 f2 48 c7 c7 60 3a 46 b9 c6 05 f4 30 76 01 01 e8 2d ec 95 00 <0f> 0b c3 80 3d e4 30 76 01 00 75 d3 48 c7 c7 88 3a 46 b9 c6 05 d4 [ 72.339174] RSP: 0018:ffffb0e582fefe48 EFLAGS: 00010286 [ 72.345008] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 [ 72.352978] RDX: ffff9caabad2c660 RSI: ffff9caabad1bf70 RDI: ffff9caabad1bf70 [ 72.360947] RBP: ffffffffb94c8093 R08: 0000000000000000 R09: 0000000000000000 [ 72.368908] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 72.376878] R13: ffffb0e582feff10 R14: ffffb0e582feff10 R15: ffff9caa438a3000 [ 72.384848] FS: 00007fda664ec580(0000) GS:ffff9caabad00000(0000) knlGS:0000000000000000 [ 72.393886] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.400302] CR2: 00007fda66305000 CR3: 0000000103d26004 CR4: 00000000003706e0 [ 72.408272] Call Trace: [ 72.411000] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x60 [ 72.416447] direct_entry.cold+0x2c/0x38 [ 72.420826] full_proxy_write+0x56/0x80 [ 72.425108] vfs_write+0xea/0x390 [ 72.428807] ksys_write+0x68/0xe0 [ 72.432506] do_syscall_64+0x33/0x40 [ 72.436496] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 72.442136] RIP: 0033:0x7fda66414f33 [ 72.446125] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 72.467107] RSP: 002b:00007ffc8e803b58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 72.475563] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fda66414f33 [ 72.483533] RDX: 0000000000000017 RSI: 00007fda66305000 RDI: 0000000000000001 [ 72.491503] RBP: 00007fda66305000 R08: 00007fda66304010 R09: 0000000000000000 [ 72.499473] R10: 00007fda6650f1c0 R11: 0000000000000246 R12: 0000000000000001 [ 72.507434] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0004 # [ 62.918835] R13: ffffb0e581517f10 R14: ffffb0e581517f[ 72.515400] irq event stamp: 0 10 R15: ffff9caa460b7000 # [ 62.926802] FS: 00007fceef1e8580[ 72.525020] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 72.538237] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 72.547403] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 72.556540] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 72.563540] ---[ end trace 6cc267e8849948fc ]--- [ 72.568695] lkdtm: Saturation detected: still saturated (0000) GS:ffff9caabac00000(0000) knlGS:0000000000000000 # [ 62.935837] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.942249] CR2: 00007fceef217000 CR3: 00000001026f0004 CR4: 00000000003706f0 # ACCESS_USERSPACE: saw 'call trace:': ok ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # selftests: lkdtm: ACCESS_NULL.sh # Killed # [ 63.113939] lkdtm: Performing direct entry ACCESS_NULL # [ 63.123979] lkdtm: attempting bad read at 0000000000000000 # [ 63.136342] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 63.150318] #PF: supervisor read access in kernel mode # [ 63.156052] #PF: error_code(0x0000) - not-present page # [ 63.161786] PGD 0 P4D 0 # [ 63.164609] Oops: 0000 [#13] SMP PTI # [ 63.168595] CPU: 1 PID: 1914 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 63.177242] Hardware name: Google Rammus/Rammus, BIOS[ 72.658578] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED [ 72.669269] lkdtm: attempting bad refcount_inc_not_zero() from saturated [ 72.676762] ------------[ cut here ]------------ [ 72.681919] refcount_t: saturated; leaking memory. [ 72.687302] WARNING: CPU: 2 PID: 2488 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 09/04/2020 # [ 63.184046] RIP: 0010:lkdtm_ACCESS_NULL+0x14/[ 72.696640] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 72.729275] CPU: 2 PID: 2488 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 72.737947] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 72.744755] RIP: 0010:refcount_warn_saturate+0x87/0xf0 [ 72.750493] Code: 05 d4 30 76 01 01 e8 0e ec 95 00 0f 0b c3 80 3d c7 30 76 01 00 75 b4 48 c7 c7 60 3a 46 b9 c6 05 b7 30 76 01 01 e8 ef eb 95 00 <0f> 0b c3 80 3d a5 30 76 01 00 75 95 48 c7 c7 b8 3a 46 b9 c6 05 95 [ 72.771477] RSP: 0018:ffffb0e58304fe38 EFLAGS: 00010282 [ 72.777315] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 72.785289] RDX: ffff9caabad2c660 RSI: ffff9caabad1bf70 RDI: ffff9caabad1bf70 [ 72.793259] RBP: ffffffffb94c7cc0 R08: 0000000000000000 R09: 0000000000000000 0x53 # [ 63.189297] Code: 17 9d fd ff be 00 10 00 00 48 89 ef[ 72.801234] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 e8 74 eb 3c ff e9 6d ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 [ 72.815419] R13: ffffb0e58304ff10 R14: ffffb0e58304ff10 R15: ffff9caa459df000 [ 72.829606] FS: 00007f59d9f23580(0000) GS:ffff9caabad00000(0000) knlGS:0000000000000000 [ 72.838647] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.845080] CR2: 00007f59d9d3c000 CR3: 00000001026e6003 CR4: 00000000003706e0 c8 8e 4c b9 e8 f1 9c fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de[ 72.853061] Call Trace: [ 72.862024] __refcount_add_not_zero.constprop.0+0x2a/0x31 c0 48 c7 c7 f0 8e 4c b9 48 01 # [ 63.216492] RSP: 0018:ffffb[ 72.868164] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x72 0e582797e58 EFLAGS: 00010246 # [ 63.222314] RAX: 000000000000[ 72.880690] direct_entry.cold+0x2c/0x38 [ 72.891289] full_proxy_write+0x56/0x80 [ 72.895602] vfs_write+0xea/0x390 [ 72.899303] ksys_write+0x68/0xe0 [ 72.903006] do_syscall_64+0x33/0x40 [ 72.906998] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 72.912641] RIP: 0033:0x7f59d9e4bf33 [ 72.916632] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 72.937614] RSP: 002b:00007ffc2f026aa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 72.946072] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f59d9e4bf33 [ 72.954044] RDX: 0000000000000020 RSI: 00007f59d9d3c000 RDI: 0000000000000001 [ 72.962016] RBP: 00007f59d9d3c000 R08: 00007f59d9d3b010 R09: 0000000000000000 [ 72.969989] R10: 00007f59d9f461c0 R11: 0000000000000246 R12: 0000000000000001 [ 72.977960] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 72.985935] irq event stamp: 0 [ 72.989364] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 72.996366] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 73.005504] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 73.014641] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 73.021643] ---[ end trace 6cc267e8849948fd ]--- [ 73.026798] lkdtm: Saturation detected: still saturated 002e RBX: 0000000000000027 RCX: 0000000000000000 # [ 63.230281] RDX: 0000000000000000 RSI: ffff9caabac9bf70 RDI: ffff9caabac9bf70 # [ 63.238248] RBP: ffffffffb94c7fb9 R08: 0000000000000000 R09: 0000000000000000 # [ 63.246215] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 63.254182] R13: ffffb0e582797f10 R14: ffffb0e582797f10 R15: ffff9caa427af000 # [ 63.262152] FS: 00007fe7d7f1d580(0000) GS:ffff9caabac80000(0000) knlGS:0000000000000000 # [ 63.271189] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.277602] CR2: 0000000000000000 CR3: 00000001060ce004 CR4: 00000000003706e0 # [ 63.285570] Call Trace: # [ 63.288297] direct_entry.cold+0x2c/0x38 # [ 63.292682] full_proxy_write+0x56/0x80 # [ 63.296964] vfs_write+0xea/0x390 # [ 63.306871] ksys_write+0x68/0xe0 # [ 63.310567] do_syscall_64+0x33/0x40 # [ 63.314555] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 63.320183] RIP: 0033:0x7fe7d7e45f33 # [ 63.324171] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 63.345151] RSP: 002b:00007ffd06a3faf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.353604] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fe7d7e45f33 # [ 63.361572] RDX: 000000000000000c RSI: 00007fe7d7d36000 RDI: 0000000000000001 # [ 63.369540] RBP: 00007fe7d7d36000 R08: 00007fe7d7d35010 R09: 0000000000000000 # [ 63.377507] R10: 00007fe7d7f401c0 R11: 0000000000000246 R12: 0000000000000001 # [ 63.385475] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 63.393444] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 63.426075] CR2: 0000000000000000 # [ 63.429771] ---[ end trace 6cc267e8849948ec ]--- # [ 63.434925] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 63.439301] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 2a 71 02 # [ 63.460280] RSP: 0018:ffffb0e581517e60 EFLAGS: 00010282 # [ 63.466113] RAX: fffff[ 73.268880] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED fffb84b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 6[ 73.279720] lkdtm: attempting bad refcount_add_not_zero() from saturated 3.474081] RDX: 0000000000000000 RSI: ffff9caabac9bf70 RDI: fffff[ 73.293425] ------------[ cut here ]------------ fffb90d9a70 # [ 63.482049] RBP: ffffffffb9523298 R08: 0000000[ 73.304792] refcount_t: saturated; leaking memory. 000000001 R09: 0000000000000001 # [ 63.490015] R10: 00000000f[ 73.316371] WARNING: CPU: 1 PID: 2520 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 fffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 63.49[ 73.331907] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 7982] R13: ffffb0e581517f10 R14: ffffb0e581517f10 R15: ffff9caa4[ 73.364558] CPU: 1 PID: 2520 Comm: cat Tainted: G D W 5.10.128-cip10 #1 60b7000 # [ 63.505951] FS: 00007fe7d7f1d580(0000) GS:ffff9ca[ 73.379424] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 abac80000(0000) knlGS:0000000000000000 # [ 63.514986] CS: 00[ 73.392447] RIP: 0010:refcount_warn_saturate+0x87/0xf0 10 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.521400] CR2[ 73.404403] Code: 05 d4 30 76 01 01 e8 0e ec 95 00 0f 0b c3 80 3d c7 30 76 01 00 75 b4 48 c7 c7 60 3a 46 b9 c6 05 b7 30 76 01 01 e8 ef eb 95 00 <0f> 0b c3 80 3d a5 30 76 01 00 75 95 48 c7 c7 b8 3a 46 b9 c6 05 95 : 0000000000000000 CR3: 00000001060ce004 CR4: 00000000003706e0 [ 73.431604] RSP: 0018:ffffb0e5830c7e38 EFLAGS: 00010282 [ 73.443672] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 63.529368] BUG: sleeping function called from invalid cont[ 73.451651] RDX: ffff9caabacac660 RSI: ffff9caabac9bf70 RDI: ffff9caabac9bf70 ext at include/linux/percpu-rwsem.h:49 # [ 63.539269] in_atom[ 73.465837] RBP: ffffffffb94c7ce0 R08: 0000000000000000 R09: 0000000000000000 ic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1914, name: cat[ 73.480026] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 63.547726] INFO: lockdep is turned off. # [ 63.552101][ 73.494215] R13: ffffb0e5830c7f10 R14: ffffb0e5830c7f10 R15: ffff9caa459d3000 irq event stamp: 0 # [ 63.555504] hardirqs last enabled at [ 73.508406] FS: 00007f91b19bc580(0000) GS:ffff9caabac80000(0000) knlGS:0000000000000000 (0): [<0000000000000000>] 0x0 # [ 63.562503] hardirqs last di[ 73.523683] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 sabled at (0): [] copy_process+0x63c/0x1c80 #[ 73.536318] CR2: 00007f91b17d5000 CR3: 0000000106040006 CR4: 00000000003706e0 [ 63.571637] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 63.580760] softirqs last di[ 73.559454] __refcount_add_not_zero.constprop.0+0x2a/0x31 sabled at (0): [<0000000000000000>] 0x0 # [ 63.587758] CPU: 1[ 73.571798] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x72 PID: 1914 Comm: cat Tainted: G D W 5.10.128-cip10 [ 73.584333] direct_entry.cold+0x2c/0x38 #1 # [ 63.596396] Hardware name: Google Rammus/Rammus, BIOS [ 73.594931] full_proxy_write+0x56/0x80 09/04/2020 # [ 63.603197] Call Trace: # [ 63.605924] dump[ 73.605426] vfs_write+0xea/0x390 _stack+0x77/0x97 # [ 63.609621] ___might_sleep.cold+0xa6/0xb[ 73.615342] ksys_write+0x68/0xe0 6 # [ 63.614184] exit_signals+0x1c/0x2d0 # [ 63.618170] [ 73.625259] do_syscall_64+0x33/0x40 do_exit+0xd5/0xb00 # [ 63.621684] ? ksys_write+0x68/0xe0 # [ 73.635466] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 63.625574] rewind_stack_do_exit+0x17/0x20 # [ 63.630240][ 73.647323] RIP: 0033:0x7f91b18e4f33 RIP: 0033:0x7fe7d7e45f33 # [ 63.634225] Code: 8b 15 61 ef 0c[ 73.657527] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 [ 73.684740] RSP: 002b:00007ffc3f5e73b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff[ 73.699414] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f91b18e4f33 ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 63.65[ 73.713602] RDX: 0000000000000020 RSI: 00007f91b17d5000 RDI: 0000000000000001 5203] RSP: 002b:00007ffd06a3faf8 EFLAGS: 00000246 ORIG_RAX: 0000[ 73.727790] RBP: 00007f91b17d5000 R08: 00007f91b17d4010 R09: 0000000000000000 000000000001 # [ 63.663678] RAX: ffffffffffffffda RBX: 000000[ 73.741978] R10: 00007f91b19df1c0 R11: 0000000000000246 R12: 0000000000000001 [ 73.756167] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000000000c RCX: 00007fe7d7e45f33 # [ 63.671647] RDX: 00000000[ 73.764144] irq event stamp: 0 0000000c RSI: 00007fe7d7d36000 RDI: 0000000000000001 # [ 63.6[ 73.773761] hardirqs last enabled at (0): [<0000000000000000>] 0x0 79615] RBP: 00007fe7d7d36000 R08: 00007fe7d7d35010 R09: 00000000[ 73.786981] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 73.802335] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 00000000 # [ 63.687582] R10: 00007fe7d7f401c0 R11: 0000000000[ 73.811474] softirqs last disabled at (0): [<0000000000000000>] 0x0 000246 R12: 0000000000000001 # [ 63.695549] R13: 000000000000[ 73.824688] ---[ end trace 6cc267e8849948fe ]--- 0001 R14: 0000000000020000 R15: 0000000000020000 # ACCESS_NULL:[ 73.836060] lkdtm: Saturation detected: still saturated saw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh # Killed # [ 63.798272] lkdtm: Performing direct entry WRITE_RO # [ 63.808455] lkdtm: attempting bad rodata write at ffffffffb90d9ef0 # [ 63.815423] BUG: unable to handle page fault for address: ffffffffb90d9ef0 # [ 63.823122] #PF: supervisor write access in kernel mode # [ 63.835170] #PF: error_code(0x0003) - permissions violation # [ 63.841395] PGD 1ce29067 P4D 1ce29067 PUD 1ce2a063 PMD 800000001c8000e1 # [ 63.848882] Oops: 0003 [#14] SMP PTI # [ 63.859083] CPU: 3 PID: 1949 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 63.867730] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 63.874538] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 63.879498] Code: 00 48 c7 c7 a8 8d 4c b9 [ 73.926368] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED 48 c7 c6 f0 9e 0d b9 e8 93 9f fd ff 48 8b 05 16 41 5b 00 ba 34 1[ 73.936600] lkdtm: attempting bad refcount_dec_and_test() from saturated 2 cd ab 48 c7 c7 d8 8d 4c b9 48 31 d0 <48> 89 05 00 41 5b 00 e9 [ 73.950303] ------------[ cut here ]------------ 71 9f fd ff 0f 1f 44 00 00 48 8b 05 27 f5 # [ 63.906689] RSP:[ 73.961671] refcount_t: underflow; use-after-free. 0018:ffffb0e582807e60 EFLAGS: 00010202 # [ 63.912520] RAX: 0[ 73.973265] WARNING: CPU: 1 PID: 2555 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 00000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 # [[ 73.988789] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 63.920489] RDX: 00000000abcd1234 RSI: ffff9caabad9bf70 RDI: f[ 74.021454] CPU: 1 PID: 2555 Comm: cat Tainted: G D W 5.10.128-cip10 #1 fffffffb94c8dd8 # [ 63.928457] RBP: ffffffffb94c7fc5 R08: 000[ 74.036301] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 0000000000000 R09: 0000000000000000 # [ 63.936423] R10: 00000[ 74.049322] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 # [ 6[ 74.061277] Code: 05 b7 30 76 01 01 e8 ef eb 95 00 0f 0b c3 80 3d a5 30 76 01 00 75 95 48 c7 c7 b8 3a 46 b9 c6 05 95 30 76 01 01 e8 d0 eb 95 00 <0f> 0b c3 80 3d 84 30 76 01 00 0f 85 72 ff ff ff 48 c7 c7 10 3b 46 3.944390] R13: ffffb0e582807f10 R14: ffffb0e582807f10 R15: ffff9[ 74.088477] RSP: 0018:ffffb0e583147e40 EFLAGS: 00010286 caa428e0000 # [ 63.952357] FS: 00007f158caa1580(0000) GS:fff[ 74.100530] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 f9caabad80000(0000) knlGS:0000000000000000 # [ 63.961393] CS:[ 74.114735] RDX: ffff9caabacac660 RSI: ffff9caabac9bf70 RDI: ffff9caabac9bf70 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.967806][ 74.128924] RBP: ffffffffb94c7d00 R08: 0000000000000000 R09: 0000000000000000 CR2: ffffffffb90d9ef0 CR3: 00000001060a2003 CR4: 00000000003706[ 74.143112] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 e0 # [ 63.975773] Call Trace: # [ 63.978498] direct_entry[ 74.157301] R13: ffffb0e583147f10 R14: ffffb0e583147f10 R15: ffff9caa43c57000 .cold+0x2c/0x38 # [ 63.982867] full_proxy_write+0x56/0x80 #[ 74.171493] FS: 00007fa5524d4580(0000) GS:ffff9caabac80000(0000) knlGS:0000000000000000 [ 63.987146] vfs_write+0xea/0x390 # [ 63.990841] ksys_wr[ 74.186750] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ite+0x68/0xe0 # [ 63.994539] do_syscall_64+0x33/0x40 # [ [ 74.199386] CR2: 00007fa5522ed000 CR3: 000000010386c001 CR4: 00000000003706e0 [ 74.213574] Call Trace: 63.998526] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 64.0[ 74.216306] __refcount_sub_and_test.constprop.0+0x34/0x40 04156] RIP: 0033:0x7f158c9c9f33 # [ 64.008133] Code: 8b 15 61[ 74.228644] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x72 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 [ 74.241183] direct_entry.cold+0x2c/0x38 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00[ 74.251779] full_proxy_write+0x56/0x80 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ [ 74.262277] vfs_write+0xea/0x390 64.029109] RSP: 002b:00007ffc2629a928 EFLAGS: 00000246 ORIG_RAX[ 74.272191] ksys_write+0x68/0xe0 : 0000000000000001 # [ 64.037561] RAX: ffffffffffffffda RBX: [ 74.282107] do_syscall_64+0x33/0x40 0000000000000009 RCX: 00007f158c9c9f33 # [ 64.045526] RDX: 00[ 74.292314] entry_SYSCALL_64_after_hwframe+0x44/0xa9 00000000000009 RSI: 00007f158c8ba000 RDI: 0000000000000001 # [ [ 74.304174] RIP: 0033:0x7fa5523fcf33 64.053493] RBP: 00007f158c8ba000 R08: 00007f158c8b9010 R09: 00[ 74.314379] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 00000000000000 # [ 64.061461] R10: 00007f158cac41c0 R11: 0000[ 74.341583] RSP: 002b:00007ffcf0239618 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 000000000246 R12: 0000000000000001 # [ 64.069427] R13: 000000[ 74.356259] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fa5523fcf33 0000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 64[ 74.370450] RDX: 0000000000000020 RSI: 00007fa5522ed000 RDI: 0000000000000001 .077396] Modules linked in: fuse ip_tables cros_ec_sensors cros_[ 74.384641] RBP: 00007fa5522ed000 R08: 00007fa5522ec010 R09: 0000000000000000 ec_sensors_core industrialio_triggered_buffer kfifo_buf industri[ 74.398830] R10: 00007fa5524f71c0 R11: 0000000000000246 R12: 0000000000000001 alio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sens[ 74.413021] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 orhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbp[ 74.427213] irq event stamp: 0 d_notify # [ 64.103846] CR2: ffffffffb90d9ef0 # [ 64.11375[ 74.436837] hardirqs last enabled at (0): [<0000000000000000>] 0x0 5] ---[ end trace 6cc267e8849948ed ]--- # [ 64.118909] RIP: 0[ 74.450058] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 010:lkdtm_BUG+0x5/0x10 # [ 64.123284] Code: 5b a5 ff 48 c7 c0[ 74.465414] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff [ 74.480768] softirqs last disabled at (0): [<0000000000000000>] 0x0 eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84[ 74.493988] ---[ end trace 6cc267e8849948ff ]--- 00 00 00 00 00 0f 1f 44 00 00 83 05 30 2a 71 02 # [ 64.14426[ 74.505358] lkdtm: Saturation detected: still saturated 1] RSP: 0018:ffffb0e581517e60 EFLAGS: 00010282 # [ 64.150094] RAX: ffffffffb84b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 64.158061] RDX: 0000000000000000 RSI: ffff9caabac9bf70 RDI: ffffffffb90d9a70 # [ 64.166028] RBP: ffffffffb9523298 R08: 0000000000000001 R09: 0000000000000001 # [ 64.173994] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 64.181961] R13: ffffb0e581517f10 R14: ffffb0e581517f10 R15: ffff9caa460b7000 # [ 64.189927] FS: 00007f158caa1580(0000) GS:ffff9caabad80000(0000) knlGS:0000000000000000 # [ 64.198962] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.205377] CR2: ffffffffb90d9ef0 CR3: 00000001060a2003 CR4: 00000000003706e0 # WRITE_RO: saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # Killed # [ 64.290013] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 64.300699] lkdtm: attempting bad ro_after_init write at ffffffffb9545328 # [ 64.314517] BUG: unable to handle page fault for address: ffffffffb9545328 # [ 64.328386] #PF: supervisor write access in kernel mode # [ 64.334219] #PF: error_code(0x0003) - permissions violation # [ 64.340440] PGD 1ce29067 P4D 1ce29067 PUD 1ce2a063 PMD 10465a063 PTE 800000001cd45061 # [ 64.355406] Oops: 0003 [#15] SMP PTI # [ 64.3[ 74.646501] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED 59395] CPU: 1 PID: 1984 Comm: cat Tainted: G D W 5.[ 74.656165] lkdtm: attempting bad refcount_sub_and_test() from saturated 10.128-cip10 #1 # [ 64.368035] Hardware name: Google Rammus/R[ 74.669870] ------------[ cut here ]------------ [ 74.681236] refcount_t: underflow; use-after-free. ammus, BIOS 09/04/2020 # [ 64.374840] RIP: 0010:lkdtm_WRITE_[ 74.686615] WARNING: CPU: 1 PID: 2590 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 RO_AFTER_INIT+0x4e/0x5a # [ 64.380867] Code: 8e 4c b9 e9 45 9[ 74.702131] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify f fd ff 48 c7 c7 30 8e 4c b9 e8 39 9f fd ff 48 8b 05 f4 f4 a1 00[ 74.734774] CPU: 1 PID: 2590 Comm: cat Tainted: G D W 5.10.128-cip10 #1 ba 34 12 cd ab 48 c7 c7 d8 8d 4c b9 48 31 d0 <48> 89 05 de f4 a[ 74.749644] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 74.762682] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 1 00 e9 17 9f fd ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 64.4080[ 74.768422] Code: 05 b7 30 76 01 01 e8 ef eb 95 00 0f 0b c3 80 3d a5 30 76 01 00 75 95 48 c7 c7 b8 3a 46 b9 c6 05 95 30 76 01 01 e8 d0 eb 95 00 <0f> 0b c3 80 3d 84 30 76 01 00 0f 85 72 ff ff ff 48 c7 c7 10 3b 46 [ 74.795619] RSP: 0018:ffffb0e5831dfe40 EFLAGS: 00010286 60] RSP: 0018:ffffb0e582897e60 EFLAGS: 00010202 # [ 64.413893[ 74.801458] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 [ 74.815639] RDX: ffff9caabacac660 RSI: ffff9caabac9bf70 RDI: ffff9caabac9bf70 ] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000[ 74.823612] RBP: ffffffffb94c7d20 R08: 0000000000000000 R09: 0000000000000000 [ 74.837797] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 000 # [ 64.421863] RDX: 00000000abcd1234 RSI: ffff9caabac9bf7[ 74.845772] R13: ffffb0e5831dff10 R14: ffffb0e5831dff10 R15: ffff9caa43f93000 [ 74.859957] FS: 00007fec5a368580(0000) GS:ffff9caabac80000(0000) knlGS:0000000000000000 0 RDI: ffffffffb94c8dd8 # [ 64.429831] RBP: ffffffffb94c7fce [ 74.869000] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.881630] CR2: 00007fec5a181000 CR3: 0000000105b7c005 CR4: 00000000003706e0 R08: 0000000000000000 R09: 0000000000000000 # [ 64.437799] R1[ 74.889605] Call Trace: 0: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014[ 74.898549] __refcount_sub_and_test.constprop.0+0x34/0x40 [ 74.910894] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x72 # [ 64.445767] R13: ffffb0e582897f10 R14: ffffb0e582897f10 R1[ 74.917219] direct_entry.cold+0x2c/0x38 5: ffff9caa43f89000 # [ 64.453736] FS: 00007f6cfa151580(0000[ 74.927811] full_proxy_write+0x56/0x80 ) GS:ffff9caabac80000(0000) knlGS:0000000000000000 # [ 64.462[ 74.938317] vfs_write+0xea/0x390 773] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64[ 74.948225] ksys_write+0x68/0xe0 .469187] CR2: ffffffffb9545328 CR3: 000000010384c003 CR4: 000000[ 74.958142] do_syscall_64+0x33/0x40 [ 74.968347] entry_SYSCALL_64_after_hwframe+0x44/0xa9 00003706e0 # [ 64.477155] Call Trace: # [ 64.479882] dire[ 74.973991] RIP: 0033:0x7fec5a290f33 [ 74.984192] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 ct_entry.cold+0x2c/0x38 # [ 64.484261] full_proxy_write+0x56[ 75.005206] RSP: 002b:00007ffc3ac00a48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 /0x80 # [ 64.488543] vfs_write+0xea/0x390 # [ 64.498452] [ 75.019856] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fec5a290f33 [ 75.034045] RDX: 0000000000000020 RSI: 00007fec5a181000 RDI: 0000000000000001 ksys_write+0x68/0xe0 # [ 64.502140] do_syscall_64+0x33/0x40[ 75.042020] RBP: 00007fec5a181000 R08: 00007fec5a180010 R09: 0000000000000000 [ 75.056203] R10: 00007fec5a38b1c0 R11: 0000000000000246 R12: 0000000000000001 [ 75.064175] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 64.506118] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 75.072150] irq event stamp: 0 [ 75.081773] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 64.511756] RIP: 0033:0x7f6cfa079f33 # [ 64.515743] Code: [ 75.088779] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 75.104127] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1[ 75.113268] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 75.126480] ---[ end trace 6cc267e884994900 ]--- [ 75.131628] lkdtm: Saturation detected: still saturated f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 64.536733] RSP: 002b:00007ffe5457a138 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 64.545187] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f6cfa079f33 # [ 64.553155] RDX: 0000000000000014 RSI: 00007f6cf9f6a000 RDI: 0000000000000001 # [ 64.561122] RBP: 00007f6cf9f6a000 R08: 00007f6cf9f69010 R09: 0000000000000000 # [ 64.569091] R10: 00007f6cfa1741c0 R11: 0000000000000246 R12: 0000000000000001 # [ 64.577060] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 64.585030] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 64.617679] CR2: ffffffffb9545328 # [ 64.621376] ---[ end trace 6cc267e8849948ee ]--- # [ 64.626530] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 64.630907] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 2a 71 02 # [ 64.651887] RSP: 0018:ffffb0e581517e60 EFLAGS: 00010282 # [ 64.657734] RAX: ffffffffb84b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 64.665704] RDX: 0000000000000000 RSI: ffff9caabac9bf70 RDI: ffffffffb90d9a70 # [ 64.673683] RBP: ffffffffb9[ 75.280403] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO 523298 R08: 0000000000000001 R09: 0000000000000001 # [ 64.681[ 75.293353] lkdtm: attempting good copy_to_user of correct size 668] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000[ 75.306203] lkdtm: attempting bad copy_to_user of too large size 000004 # [ 64.689645] R13: ffffb0e581517f10 R14: ffffb0e581517f10 R15: ffff9caa460b7000 # [ 64.703827] FS: 00007f6cfa151580(0000) GS:ffff9caabac80000(0000) knlGS:0000000000000000 # [ 64.712864] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.719280] CR2: ffffffffb9545328 CR3: 000000010384c003 CR4: 00000000003706e0 # [ 64.727249] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 64.737161] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1984, name: cat # [ 64.745614] INFO: lockdep is turned off. # [ 64.749989] irq event stamp: 0 # [ 64.753394] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.760392] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 64.769526] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 64.778678] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.785686] CPU: 1 PID: 1984 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 64.794336] Hardware name: Google Ra[ 75.424555] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM mmus/Rammus, BIOS 09/04/2020 # [ 64.801140] Call Trace: # [[ 75.431687] lkdtm: attempting good copy_from_user of correct size 64.803866] dump_stack+0x77/0x97 # [ 64.807554] ___might_[ 75.444709] lkdtm: attempting bad copy_from_user of too large size sleep.cold+0xa6/0xb6 # [ 64.812126] exit_signals+0x1c/0x2d0 # [ 64.816114] do_exit+0xd5/0xb00 # [ 64.819609] ? ksys_write+0x68/0xe0 # [ 64.823494] rewind_stack_do_exit+0x17/0x20 # [ 64.828162] RIP: 0033:0x7f6cfa079f33 # [ 64.832148] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 64.853129] RSP: 002b:00007ffe5457a138 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 64.861583] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f6cfa079f33 # [ 64.869552] RDX: 0000000000000014 RSI: 00007f6cf9f6a000 RDI: 0000000000000001 # [ 64.877520] RBP: 00007f6cf9f6a000 R08: 00007f6cf9f69010 R09: 0000000000000000 # [ 64.885487] R10: 00007f6cfa1741c0 R11: 0000000000000246 R12: 0000000000000001 # [ 64.893456[ 75.542776] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO ] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020[ 75.552118] lkdtm: attempting good copy_to_user inside whitelist 000 # WRITE_RO_AFTER_INIT: saw 'call trace:': ok ok 40 selftes[ 75.565026] lkdtm: attempting bad copy_to_user outside whitelist ts: lkdtm: WRITE_RO_AFTER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh # Killed # [ 64.993208] lkdtm: Performing direct entry WRITE_KERN # [ 65.000336] lkdtm: attempting bad 6766244 byte write at ffffffffb8b25d54 # [ 65.007868] BUG: unable to handle page fault for address: ffffffffb8b25d54 # [ 65.015563] #PF: supervisor write access in kernel mode # [ 65.021401] #PF: error_code(0x0003) - permissions violation # [ 65.033836] PGD 1ce29067 P4D 1ce29067 PUD 1ce2a063 PMD 1c2000e1 # [ 65.046761] Oops: 0003 [#16] SMP PTI # [ 65.050748] CPU: 3 PID: 2019 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 65.059396] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 65.066201] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 65.071354] Code: 53 48 c7 c3 54 5d b2 b8 49 89 dc 48 89 da 49 81 ec b0 1e 4b b8 4c 89 e6 e8 ec 9e fd ff 48 89 df 4c 89 e1 48 c7 c6 b0 1e 4b b8 a4 48 c7 c7 d8 8d 4c b9 e8 d1 9e fd ff 5b 41 5c e9 b7 fe ff ff # [ 65.092323] RSP: 0018:ffffb0e58291fe50 EF[ 75.673038] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM [ 75.684758] lkdtm: attempting good copy_from_user inside whitelist [ 75.691677] lkdtm: attempting bad copy_from_user outside whitelist LAGS: 00010246 # [ 65.098154] RAX: 000000000000003c RBX: ffffffffb8b25d54 RCX: 0000000000673ea4 # [ 65.106123] RDX: 0000000000000000 RSI: ffffffffb84b1eb0 RDI: ffffffffb8b25d54 # [ 65.114090] RBP: ffffffffb94c7fe2 R08: 0000000000000000 R09: 0000000000000000 # [ 65.122057] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000673ea4 # [ 65.130023] R13: ffffb0e58291ff10 R14: ffffb0e58291ff10 R15: ffff9caa44ea1000 # [ 65.137991] FS: 00007fe6582b2580(0000) GS:ffff9caabad80000(0000) knlGS:0000000000000000 # [ 65.147028] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.153442] CR2: ffffffffb8b25d54 CR3: 0000000103ec4001 CR4: 00000000003706e0 # [ 65.161410] Call Trace: # [ 65.164137] direct_entry.cold+0x2c/0x38 # [ 65.168513] full_proxy_write+0x56/0x80 # [ 65.172783] vfs_write+0xea/0x390 # [ 65.176480] ksys_write+0x68/0xe0 # [ 65.180168] do_syscall_64+0x33/0x40 # [ 65.184146] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 65.189783] RIP: 0033:0x7fe6581daf33 # [ 65.193771] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 [ 75.799657] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c[ 75.811160] lkdtm: good_stack: ffffb0e58358fe20-ffffb0e58358fe40 0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f [ 75.824083] lkdtm: bad_stack : ffffb0e58358fda8-ffffb0e58358fdc8 40 00 48 83 ec 28 48 89 54 24 18 # [ 65.214750] RSP: 002b:000[ 75.837008] lkdtm: attempting good copy_to_user of local stack 07ffd773cde78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ [ 75.849740] lkdtm: attempting bad copy_to_user of distant stack 65.223203] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fe6581daf33 # [ 65.231172] RDX: 000000000000000b RSI: 00007fe6580cb000 RDI: 0000000000000001 # [ 65.239138] RBP: 00007fe6580cb000 R08: 00007fe6580ca010 R09: 0000000000000000 # [ 65.247107] R10: 00007fe6582d51c0 R11: 0000000000000246 R12: 0000000000000001 # [ 65.255075] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.263043] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 65.289498] CR2: ffffffffb8b25d54 # [ 65.293194] ---[ end trace 6cc267e8849948ef ]--- # [ 65.298348] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 65.302732] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc c[ 75.950814] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM [ 75.962910] lkdtm: good_stack: ffffb0e58362fe20-ffffb0e58362fe40 [ 75.969624] lkdtm: bad_stack : ffffb0e58362fda8-ffffb0e58362fdc8 c cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 [ 75.976343] lkdtm: attempting good copy_from_user of local stack [ 75.989282] lkdtm: attempting bad copy_from_user of distant stack 00 00 83 05 30 2a 71 02 # [ 65.323704] RSP: 0018:ffffb0e581517e60 EFLAGS: 00010282 # [ 65.329525] RAX: ffffffffb84b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 65.337491] RDX: 0000000000000000 RSI: ffff9caabac9bf70 RDI: ffffffffb90d9a70 # [ 65.345457] RBP: ffffffffb9523298 R08: 0000000000000001 R09: 0000000000000001 # [ 65.353422] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 65.361388] R13: ffffb0e581517f10 R14: ffffb0e581517f10 R15: ffff9caa460b7000 # [ 65.369354] FS: 00007fe6582b2580(0000) GS:ffff9caabad80000(0000) knlGS:0000000000000000 # [ 65.378390] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.384803] CR2: ffffffffb8b25d54 CR3: 0000000103ec4001 CR4: 00000000003706e0 # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # [ 76.076507] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # [ 65.476133] lkd[ 76.083624] lkdtm: good_stack: ffffb0e5836c7e20-ffffb0e5836c7e40 tm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 65.4865[ 76.096576] lkdtm: bad_stack : ffffb0e5836c7ff8-ffffb0e5836c8018 57] lkdtm: attempting good refcount_inc() without overflow # [ [ 76.109507] lkdtm: attempting good copy_to_user of local stack 65.499678] lkdtm: attempting bad refcount_inc() overflow # [ [ 76.122197] lkdtm: attempting bad copy_to_user of distant stack 65.505766] ------------[ cut here ]------------ # [ 65.5171[ 76.135024] lkdtm: copy_to_user failed, but lacked Oops 35] refcount_t: saturated; leaking memory. # [ 65.528713] WARNING: CPU: 0 PID: 2054 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 65.544264] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 65.576918] CPU: 0 PID: 2054 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 65.591767] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 65.604825] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 65.616764] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 04 31 76 01 00 75 f2 48 c7 c7 60 3a 46 b9 c6 05 f4 30 76 01 01 e8 2d ec 95 00 <0f> 0b c3 80 3d e4 30 76 01 00 75 d3 48 c7 c7 88 3a 46 b9 c6 05 d4 # [ 65.643996] RSP: 0018:ffffb0e5829[ 76.229177] lkdtm: Performing direct entry USERCOPY_KERNEL [ 76.240252] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffb90d9f10 [ 76.248920] lkdtm: attempting bad copy_to_user from kernel text: ffffffffb7ed1460 9fe48 EFLAGS: 00010286 # [ 65.656031] RAX: 0000000000000000 R[ 76.257291] lkdtm: FAIL: survived bad copy_to_user() BX: 000000000000002b RCX: 0000000000000000 # [ 65.670242] RDX: ffff9caabac2c660 RSI: ffff9caabac1bf70 RDI: ffff9caabac1bf70 # [ 65.684452] RBP: ffffffffb94c7fed R08: 0000000000000000 R09: 0000000000000000 # [ 65.698638] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 65.712870] R13: ffffb0e58299ff10 R14: ffffb0e58299ff10 R15: ffff9caa44bcc000 # [ 65.727047] FS: 00007f529b1b8580(0000) GS:ffff9caabac00000(0000) knlGS:0000000000000000 # [ 65.742376] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.754953] CR2: 00007f529afd1000 CR3: 000000010307e005 CR4: 00000000003706f0 # [ 65.769169] Call Trace: # [ 65.778112] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x94 # [ 65.789704] direct_entry.cold+0x2c/0x38 # [ 65.800321] full_proxy_write+0x56/0x80 # [ 65.810847] vfs_write+0xea/0x390 # [ 65.820775] ksys_write+0x68/0xe0 # [ 65.830715] do_syscall_64+0x33/0x40 # [ 65.840939] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 65.852823] RIP: 0033:0x7f529[ 76.363855] lkdtm: Performing direct entry STACKLEAK_ERASING b0e0f33 # [ 65.863022] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02[ 76.374916] lkdtm: checking unused part of the thread stack (15928 bytes)... 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 [ 76.389021] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f[ 76.403012] lkdtm: FAIL: the thread stack is NOT properly erased 40 00 48 83 ec 28 48 89 54 24 18 # [ 65.890252] RSP: 002b:00[ 76.415966] CPU: 0 PID: 2955 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 76.430790] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 76.437594] Call Trace: [ 76.440323] dump_stack+0x77/0x97 [ 76.444025] lkdtm_STACKLEAK_ERASING+0x116/0x140 [ 76.449169] direct_entry.cold+0x2c/0x38 [ 76.453548] full_proxy_write+0x56/0x80 [ 76.457829] vfs_write+0xea/0x390 [ 76.461524] ksys_write+0x68/0xe0 [ 76.465222] do_syscall_64+0x33/0x40 [ 76.469202] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 76.474834] RIP: 0033:0x7efc94a39f33 [ 76.478821] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 76.499802] RSP: 002b:00007ffcf4657a08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 76.508257] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007efc94a39f33 [ 76.516225] RDX: 0000000000000012 RSI: 00007efc9492a000 RDI: 0000000000000001 [ 76.524195] RBP: 00007efc9492a000 R08: 00007efc94929010 R09: 0000000000000000 [ 76.532165] R10: 00007efc94b341c0 R11: 0000000000000246 R12: 0000000000000001 [ 76.540132] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 007ffe071a9f88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.904920] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f529b0e0f33 # [ 65.919114] RDX: 0000000000000016 RSI: 00007f529afd1000 RDI: 0000000000000001 # [ 65.933297] RBP: 00007f529afd1000 R08: 00007f529afd0010 R09: 0000000000000000 # [ 65.947519] R10: 00007f529b1db1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 65.961699] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.975941] irq event stamp: 0 # [ 65.985535] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.998778] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 66.014122] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 66.029505] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.042705] ---[ end trace 6cc267e8849948f0 ]--- # [ 66.054097] lkdtm: Overflow detected: saturated # REFCOUNT_INC_OVERFLOW: saw 'call trace:': ok ok 42 self[ 76.642228] lkdtm: Performing direct entry CFI_FORWARD_PROTO tests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # selftests: lkdtm: REFC[ 76.653934] lkdtm: Calling matched prototype ... OUNT_ADD_OVERFLOW.sh # [ 66.161056] lkdtm: Performing direct [ 76.665317] lkdtm: Calling mismatched prototype ... entry REFCOUNT_ADD_OVERFLOW # [ 66.171522] lkdtm: attempting [ 76.676972] lkdtm: Fail: survived mismatched prototype function call! good refcount_add() without overflow # [ 66.184636] lkdtm: attempting bad refcount_add() overflow # [ 66.196904] ------------[ cut here ]------------ # [ 66.208302] refcount_t: saturated; leaking memory. # [ 66.219882] WARNING: CPU: 0 PID: 2086 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 66.235411] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.268053] CPU: 0 PID: 2086 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 66.282906] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 66.289773] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 66.301764] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 04 31 76 01 00 75 f2 48 c7 c7 60 3a 46 b9 c6 05 f4 30 76 01 01 e8 2d ec 95 00 <0f> 0b c3 80 3d e4 30 76 01 00 75 d3 48 c7 c7 88 3a 46 b9 c6 05 d4 # [ 66.328986] RSP: 0018:ffffb0e582a1fe48 EFLAGS: 00010286 # [ 66.341022] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 66.349027] RDX: ffff9caabac2c660 RSI: ffff9caabac1bf70 RDI: ffff9caabac1bf70 # [ 66.363215] RBP: ffffffffb94c8003 R08: 0000000000000000 R09: 0000000000000000 # [ 66.377410] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 66.391635] R13: ffffb0e582a1ff10 R14: ffffb0e582a1ff10 R15: ffff9caa4308d000 # [ 66.405817] FS: 00007f6019ea0580(0000) GS:ffff9caabac00000(0000) knlGS:0000000000000000 # [ 66.421128] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.433755] CR2: 00007f6019cb9000 CR3: 000000010305a002 CR4: 00000000003706f0 # [ 66.448000] Call Trace: # [ 66.456914] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa3 # [ 66.468506] direct_entry.cold+0x2c/0x38 # [ 66.479105] full_proxy_write+0x56/0x80 # [ 66.489592] vfs_write+0xea/0x390 # [ 66.499540] ksys_write+0x68/0xe0 # [ 66.509450] do_syscall_64+0x33/0x40 # [ 66.519691] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 66.531546] RIP: 0033:0x7f6019dc8f33 # [ 66.541816] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 66.569049] RSP: 002b:00007ffda9f2be58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.583745] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f6019dc8f33 # [ 66.597945] RDX: 0000000000000016 RSI: 00007f6019cb9000 RDI: 0000000000000001 # [ 66.612116] RBP: 00007f6019cb9000 R08: 00007f6019cb8010 R09: 0000000000000000 # [ 66.626328] R10: 00007f6019ec31c0 R11: 0000000000000246 R12: 0000000000000001 # [ 66.640546] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.654743] irq event stamp: 0 # [ 66.664373] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.677627] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 66.693007] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 66.708446] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.721627] ---[ end trace 6cc267e8849948f1 ]--- # [ 66.733006] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_OVERFLOW: saw 'call trace:': ok ok 43 selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # [ 66.823054] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 66.832649] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 66.839585] ------------[ cut here ]------------ # [ 66.844775] refcount_t: saturated; leaking memory. # [ 66.850187] WARNING: CPU: 3 PID: 2118 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 # [ 66.859525] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.892154] CPU: 3 PID: 2118 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 66.900806] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 66.907615] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 66.913354] Code: 05 d4 30 76 01 01 e8 0e ec 95 00 0f 0b c3 80 3d c7 30 76 01 00 75 b4 48 c7 c7 60 3a 46 b9 c6 05 b7 30 76 01 01 e8 ef eb 95 00 <0f> 0b c3 80 3d a5 30 76 01 00 75 95 48 c7 c7 b8 3a 46 b9 c6 05 95 # [ 66.934340] RSP: 0018:ffffb0e582aa7e38 EFLAGS: 00010282 # [ 66.940180] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 66.948153] RDX: ffff9caabadac660 RSI: ffff9caabad9bf70 RDI: ffff9caabad9bf70 # [ 66.956128] RBP: ffffffffb94c7c40 R08: 0000000000000000 R09: 0000000000000000 # [ 66.964100] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 66.972072] R13: ffffb0e582aa7f10 R14: ffffb0e582aa7f10 R15: ffff9caa43e97000 # [ 66.980045] FS: 00007fa9b9041580(0000) GS:ffff9caabad80000(0000) knlGS:0000000000000000 # [ 66.989089] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.001734] CR2: 00007fa9b8e5a000 CR3: 0000000103a5a002 CR4: 00000000003706e0 # [ 67.009707] Call Trace: # [ 67.012459] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 67.018621] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x72 # [ 67.031056] direct_entry.cold+0x2c/0x38 # [ 67.041652] full_proxy_write+0x56/0x80 # [ 67.052146] vfs_write+0xea/0x390 # [ 67.062059] ksys_write+0x68/0xe0 # [ 67.065761] do_syscall_64+0x33/0x40 # [ 67.069775] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 67.075416] RIP: 0033:0x7fa9b8f69f33 # [ 67.079406] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 67.100387] RSP: 002b:00007ffca087b9d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.108843] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fa9b8f69f33 # [ 67.116813] RDX: 000000000000001f RSI: 00007fa9b8e5a000 RDI: 0000000000000001 # [ 67.124782] RBP: 00007fa9b8e5a000 R08: 00007fa9b8e59010 R09: 0000000000000000 # [ 67.132751] R10: 00007fa9b90641c0 R11: 0000000000000246 R12: 0000000000000001 # [ 67.140727] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.148698] irq event stamp: 0 # [ 67.152105] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.159105] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 67.168242] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 67.177375] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.184366] ---[ end trace 6cc267e8849948f2 ]--- # [ 67.189520] lkdtm: Overflow detected: saturated # REFCOUNT_INC_NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # [ 67.263459] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 67.276780] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 67.283691] ------------[ cut here ]------------ # [ 67.288850] refcount_t: saturated; leaking memory. # [ 67.300437] WARNING: CPU: 2 PID: 2150 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 # [ 67.309776] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 67.342417] CPU: 2 PID: 2150 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 67.351093] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 67.364118] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 67.376066] Code: 05 d4 30 76 01 01 e8 0e ec 95 00 0f 0b c3 80 3d c7 30 76 01 00 75 b4 48 c7 c7 60 3a 46 b9 c6 05 b7 30 76 01 01 e8 ef eb 95 00 <0f> 0b c3 80 3d a5 30 76 01 00 75 95 48 c7 c7 b8 3a 46 b9 c6 05 95 # [ 67.397053] RSP: 0018:ffffb0e582b27e38 EFLAGS: 00010282 # [ 67.409103] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 67.417073] RDX: ffff9caabad2c660 RSI: ffff9caabad1bf70 RDI: ffff9caabad1bf70 # [ 67.425042] RBP: ffffffffb94c7c60 R08: 0000000000000000 R09: 0000000000000000 # [ 67.433010] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 67.440985] R13: ffffb0e582b27f10 R14: ffffb0e582b27f10 R15: ffff9caa43d3b000 # [ 67.448990] FS: 00007ff7c991b580(0000) GS:ffff9caabad00000(0000) knlGS:0000000000000000 # [ 67.458053] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.464469] CR2: 00007ff7c9734000 CR3: 0000000104d40004 CR4: 00000000003706e0 # [ 67.472438] Call Trace: # [ 67.475169] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 67.481319] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x72 # [ 67.487541] direct_entry.cold+0x2c/0x38 # [ 67.491920] full_proxy_write+0x56/0x80 # [ 67.496203] vfs_write+0xea/0x390 # [ 67.499901] ksys_write+0x68/0xe0 # [ 67.503601] do_syscall_64+0x33/0x40 # [ 67.507590] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 67.513230] RIP: 0033:0x7ff7c9843f33 # [ 67.517220] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 67.538202] RSP: 002b:00007fffcf125838 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.546683] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007ff7c9843f33 # [ 67.554671] RDX: 000000000000001f RSI: 00007ff7c9734000 RDI: 0000000000000001 # [ 67.562650] RBP: 00007ff7c9734000 R08: 00007ff7c9733010 R09: 0000000000000000 # [ 67.576829] R10: 00007ff7c993e1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 67.584798] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.592770] irq event stamp: 0 # [ 67.596177] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.603179] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 67.612314] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 67.621449] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.628447] ---[ end trace 6cc267e8849948f3 ]--- # [ 67.633599] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok 45 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # [ 67.711688] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 67.719655] lkdtm: attempting good refcount_dec() # [ 67.731129] lkdtm: attempting bad refcount_dec() to zero # [ 67.743277] ------------[ cut here ]------------ # [ 67.754634] refcount_t: decrement hit 0; leaking memory. # [ 67.766839] WARNING: CPU: 0 PID: 2182 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 # [ 67.782340] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 67.815008] CPU: 0 PID: 2182 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 67.829860] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 67.842886] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 # [ 67.854828] Code: ff 48 c7 c7 10 3b 46 b9 c6 05 70 30 76 01 01 e8 ad eb 95 00 0f 0b c3 48 c7 c7 e0 3a 46 b9 c6 05 5b 30 76 01 01 e8 97 eb 95 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 # [ 67.882093] RSP: 0018:ffffb0e582ba7e48 EFLAGS: 00010286 # [ 67.894085] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 67.908275] RDX: ffff9caabac2c660 RSI: ffff9caabac1bf70 RDI: ffff9caabac1bf70 # [ 67.922467] RBP: ffffffffb94c8019 R08: 0000000000000000 R09: 0000000000000000 # [ 67.936681] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 67.950842] R13: ffffb0e582ba7f10 R14: ffffb0e582ba7f10 R15: ffff9caa44f80000 # [ 67.965033] FS: 00007f3287198580(0000) GS:ffff9caabac00000(0000) knlGS:0000000000000000 # [ 67.980287] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.992949] CR2: 00007f3286fb1000 CR3: 0000000104ac2006 CR4: 00000000003706f0 # [ 68.007113] Call Trace: # [ 68.016065] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xb9 # [ 68.027234] direct_entry.cold+0x2c/0x38 # [ 68.037836] full_proxy_write+0x56/0x80 # [ 68.048324] vfs_write+0xea/0x390 # [ 68.058251] ksys_write+0x68/0xe0 # [ 68.068151] do_syscall_64+0x33/0x40 # [ 68.078373] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 68.090214] RIP: 0033:0x7f32870c0f33 # [ 68.100432] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 68.127615] RSP: 002b:00007ffe876fdbe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.142298] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f32870c0f33 # [ 68.156465] RDX: 0000000000000012 RSI: 00007f3286fb1000 RDI: 0000000000000001 # [ 68.170671] RBP: 00007f3286fb1000 R08: 00007f3286fb0010 R09: 0000000000000000 # [ 68.184840] R10: 00007f32871bb1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 68.199045] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.213218] irq event stamp: 0 # [ 68.222859] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 68.236061] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 68.251430] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 68.266765] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 68.280000] ---[ end trace 6cc267e8849948f4 ]--- # [ 68.291354] lkdtm: Zero detected: saturated # REFCOUNT_DEC_ZERO: saw 'call trace:': ok ok 46 selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # [ 68.397427] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 68.408399] lkdtm: attempting bad refcount_dec() below zero # [ 68.420856] ------------[ cut here ]------------ # [ 68.432233] refcount_t: decrement hit 0; leaking memory. # [ 68.444423] WARNING: CPU: 0 PID: 2217 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 # [ 68.459953] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 68.492595] CPU: 0 PID: 2217 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 68.507447] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 68.520512] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 # [ 68.532429] Code: ff 48 c7 c7 10 3b 46 b9 c6 05 70 30 76 01 01 e8 ad eb 95 00 0f 0b c3 48 c7 c7 e0 3a 46 b9 c6 05 5b 30 76 01 01 e8 97 eb 95 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 # [ 68.559668] RSP: 0018:ffffb0e582c17e48 EFLAGS: 00010286 # [ 68.571706] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 68.585965] RDX: ffff9caabac2c660 RSI: ffff9caabac1bf70 RDI: ffff9caabac1bf70 # [ 68.600196] RBP: ffffffffb94c802b R08: 0000000000000000 R09: 0000000000000000 # [ 68.614364] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 68.628594] R13: ffffb0e582c17f10 R14: ffffb0e582c17f10 R15: ffff9caa43814000 # [ 68.642752] FS: 00007f2e5084b580(0000) GS:ffff9caabac00000(0000) knlGS:0000000000000000 # [ 68.658012] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.670638] CR2: 00007f2e50664000 CR3: 000000010381a006 CR4: 00000000003706f0 # [ 68.684833] Call Trace: # [ 68.693761] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x5d # [ 68.705343] direct_entry.cold+0x2c/0x38 # [ 68.715924] full_proxy_write+0x56/0x80 # [ 68.726430] vfs_write+0xea/0x390 # [ 68.736331] ksys_write+0x68/0xe0 # [ 68.746254] do_syscall_64+0x33/0x40 # [ 68.756449] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 68.768310] RIP: 0033:0x7f2e50773f33 # [ 68.778508] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 68.805727] RSP: 002b:00007ffef4ab68a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.820375] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f2e50773f33 # [ 68.834576] RDX: 0000000000000016 RSI: 00007f2e50664000 RDI: 0000000000000001 # [ 68.848747] RBP: 00007f2e50664000 R08: 00007f2e50663010 R09: 0000000000000000 # [ 68.862949] R10: 00007f2e5086e1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 68.877116] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.891319] irq event stamp: 0 # [ 68.900930] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 68.914170] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 68.929497] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 68.944866] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 68.958064] ---[ end trace 6cc267e8849948f5 ]--- # [ 68.969451] lkdtm: Negative detected: saturated # REFCOUNT_DEC_NEGATIVE: saw 'Negative detected: saturated': ok ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # [ 69.082159] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 69.093958] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 69.101095] ------------[ cut here ]------------ # [ 69.106282] refcount_t: underflow; use-after-free. # [ 69.111665] WARNING: CPU: 3 PID: 2252 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 69.121000] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 69.147458] CPU: 3 PID: 2252 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 69.156109] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 69.162916] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 69.168657] Code: 05 b7 30 76 01 01 e8 ef eb 95 00 0f 0b c3 80 3d a5 30 76 01 00 75 95 48 c7 c7 b8 3a 46 b9 c6 05 95 30 76 01 01 e8 d0 eb 95 00 <0f> 0b c3 80 3d 84 30 76 01 00 0f 85 72 ff ff ff 48 c7 c7 10 3b 46 # [ 69.189643] RSP: 0018:ffffb0e582cafe40 EFLAGS: 00010286 # [ 69.195482] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 69.203455] RDX: ffff9caabadac660 RSI: ffff9caabad9bf70 RDI: ffff9caabad9bf70 # [ 69.211429] RBP: ffffffffb94c7c80 R08: 0000000000000000 R09: 0000000000000000 # [ 69.219402] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 69.227375] R13: ffffb0e582caff10 R14: ffffb0e582caff10 R15: ffff9caa438bb000 # [ 69.235347] FS: 00007f325297f580(0000) GS:ffff9caabad80000(0000) knlGS:0000000000000000 # [ 69.244388] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.250798] CR2: 00007f3252798000 CR3: 000000010381a001 CR4: 00000000003706e0 # [ 69.258772] Call Trace: # [ 69.261502] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 69.267655] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x74 # [ 69.280095] direct_entry.cold+0x2c/0x38 # [ 69.290700] full_proxy_write+0x56/0x80 # [ 69.295007] vfs_write+0xea/0x390 # [ 69.304922] ksys_write+0x68/0xe0 # [ 69.314835] do_syscall_64+0x33/0x40 # [ 69.318826] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 69.324468] RIP: 0033:0x7f32528a7f33 # [ 69.328459] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 69.349464] RSP: 002b:00007ffcb47d7228 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 69.357934] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f32528a7f33 # [ 69.372114] RDX: 000000000000001f RSI: 00007f3252798000 RDI: 0000000000000001 # [ 69.380085] RBP: 00007f3252798000 R08: 00007f3252797010 R09: 0000000000000000 # [ 69.388054] R10: 00007f32529a21c0 R11: 0000000000000246 R12: 0000000000000001 # [ 69.396023] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 69.403995] irq event stamp: 0 # [ 69.407401] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 69.414403] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 69.423540] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 69.432685] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 69.439688] ---[ end trace 6cc267e8849948f6 ]--- # [ 69.451055] lkdtm: Negative detected: saturated # REFCOUNT_DEC_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 48 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh # [ 69.534550] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 69.544537] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 69.557872] ------------[ cut here ]------------ # [ 69.569234] refcount_t: underflow; use-after-free. # [ 69.580849] WARNING: CPU: 0 PID: 2287 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 69.596362] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 69.629010] CPU: 0 PID: 2287 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 69.643846] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 69.656897] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 69.668817] Code: 05 b7 30 76 01 01 e8 ef eb 95 00 0f 0b c3 80 3d a5 30 76 01 00 75 95 48 c7 c7 b8 3a 46 b9 c6 05 95 30 76 01 01 e8 d0 eb 95 00 <0f> 0b c3 80 3d 84 30 76 01 00 0f 85 72 ff ff ff 48 c7 c7 10 3b 46 # [ 69.696037] RSP: 0018:ffffb0e582d07e40 EFLAGS: 00010286 # [ 69.708064] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 69.722270] RDX: ffff9caabac2c660 RSI: ffff9caabac1bf70 RDI: ffff9caabac1bf70 # [ 69.736438] RBP: ffffffffb94c7ca0 R08: 0000000000000000 R09: 0000000000000000 # [ 69.750648] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 69.764811] R13: ffffb0e582d07f10 R14: ffffb0e582d07f10 R15: ffff9caa4406b000 # [ 69.779018] FS: 00007f1dcdbbc580(0000) GS:ffff9caabac00000(0000) knlGS:0000000000000000 # [ 69.794256] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.806900] CR2: 00007f1dcd9d5000 CR3: 00000001026ea003 CR4: 00000000003706f0 # [ 69.821073] Call Trace: # [ 69.830025] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 69.842356] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x77 # [ 69.854801] direct_entry.cold+0x2c/0x38 # [ 69.865395] full_proxy_write+0x56/0x80 # [ 69.875900] vfs_write+0xea/0x390 # [ 69.885805] ksys_write+0x68/0xe0 # [ 69.895727] do_syscall_64+0x33/0x40 # [ 69.905923] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 69.917790] RIP: 0033:0x7f1dcdae4f33 # [ 69.927981] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 69.955205] RSP: 002b:00007fffea877658 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 69.969860] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f1dcdae4f33 # [ 69.984063] RDX: 000000000000001f RSI: 00007f1dcd9d5000 RDI: 0000000000000001 # [ 69.998231] RBP: 00007f1dcd9d5000 R08: 00007f1dcd9d4010 R09: 0000000000000000 # [ 70.012427] R10: 00007f1dcdbdf1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 70.026595] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 70.040815] irq event stamp: 0 # [ 70.050411] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 70.063625] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 70.078971] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 70.094304] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 70.107518] ---[ end trace 6cc267e8849948f7 ]--- # [ 70.112696] lkdtm: Negative detected: saturated # REFCOUNT_SUB_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 49 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_INC_ZERO.sh # [ 70.205181] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 70.217297] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 70.224432] lkdtm: Good: zero detected # [ 70.228633] lkdtm: Correctly stayed at zero # [ 70.233314] lkdtm: attempting bad refcount_inc() from zero # [ 70.239444] ------------[ cut here ]------------ # [ 70.244601] refcount_t: addition on 0; use-after-free. # [ 70.250350] WARNING: CPU: 3 PID: 2319 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 # [ 70.259686] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 70.292322] CPU: 3 PID: 2319 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 70.300970] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 70.307775] RIP: 0010:refcount_warn_saturate+0x68/0xf0 # [ 70.313511] Code: 05 f4 30 76 01 01 e8 2d ec 95 00 0f 0b c3 80 3d e4 30 76 01 00 75 d3 48 c7 c7 88 3a 46 b9 c6 05 d4 30 76 01 01 e8 0e ec 95 00 <0f> 0b c3 80 3d c7 30 76 01 00 75 b4 48 c7 c7 60 3a 46 b9 c6 05 b7 # [ 70.334491] RSP: 0018:ffffb0e582d97e48 EFLAGS: 00010286 # [ 70.340324] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 70.348286] RDX: ffff9caabadac660 RSI: ffff9caabad9bf70 RDI: ffff9caabad9bf70 # [ 70.356257] RBP: ffffffffb94c8041 R08: 0000000000000000 R09: 0000000000000000 # [ 70.364226] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 70.372196] R13: ffffb0e582d97f10 R14: ffffb0e582d97f10 R15: ffff9caa44fc9000 # [ 70.380167] FS: 00007fa8ba419580(0000) GS:ffff9caabad80000(0000) knlGS:0000000000000000 # [ 70.389208] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.395628] CR2: 00007fa8ba232000 CR3: 0000000105b7c002 CR4: 00000000003706e0 # [ 70.409808] Call Trace: # [ 70.412541] lkdtm_REFCOUNT_INC_ZERO+0x99/0xbd # [ 70.423717] direct_entry.cold+0x2c/0x38 # [ 70.434312] full_proxy_write+0x56/0x80 # [ 70.444811] vfs_write+0xea/0x390 # [ 70.454727] ksys_write+0x68/0xe0 # [ 70.464645] do_syscall_64+0x33/0x40 # [ 70.474851] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 70.480495] RIP: 0033:0x7fa8ba341f33 # [ 70.490697] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 70.517899] RSP: 002b:00007fff22c03cb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 70.532576] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fa8ba341f33 # [ 70.540550] RDX: 0000000000000012 RSI: 00007fa8ba232000 RDI: 0000000000000001 # [ 70.554737] RBP: 00007fa8ba232000 R08: 00007fa8ba231010 R09: 0000000000000000 # [ 70.562710] R10: 00007fa8ba43c1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 70.576895] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 70.584870] irq event stamp: 0 # [ 70.594488] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 70.601492] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 70.616840] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 70.625979] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 70.639193] ---[ end trace 6cc267e8849948f8 ]--- # [ 70.644351] lkdtm: Zero detected: saturated # REFCOUNT_INC_ZERO: saw 'call trace:': ok ok 50 selftests: lkdtm: REFCOUNT_INC_ZERO.sh # selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # [ 70.740602] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 70.748671] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 70.755773] lkdtm: Good: zero detected # [ 70.759961] lkdtm: Correctly stayed at zero # [ 70.770843] lkdtm: attempting bad refcount_add() from zero # [ 70.783186] ------------[ cut here ]------------ # [ 70.788348] refcount_t: addition on 0; use-after-free. # [ 70.794117] WARNING: CPU: 3 PID: 2351 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 # [ 70.803457] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 70.836090] CPU: 3 PID: 2351 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 70.844742] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 70.851551] RIP: 0010:refcount_warn_saturate+0x68/0xf0 # [ 70.857311] Code: 05 f4 30 76 01 01 e8 2d ec 95 00 0f 0b c3 80 3d e4 30 76 01 00 75 d3 48 c7 c7 88 3a 46 b9 c6 05 d4 30 76 01 01 e8 0e ec 95 00 <0f> 0b c3 80 3d c7 30 76 01 00 75 b4 48 c7 c7 60 3a 46 b9 c6 05 b7 # [ 70.878299] RSP: 0018:ffffb0e582e0fe48 EFLAGS: 00010286 # [ 70.884165] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 70.892137] RDX: ffff9caabadac660 RSI: ffff9caabad9bf70 RDI: ffff9caabad9bf70 # [ 70.900111] RBP: ffffffffb94c8053 R08: 0000000000000000 R09: 0000000000000000 # [ 70.908084] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 70.916057] R13: ffffb0e582e0ff10 R14: ffffb0e582e0ff10 R15: ffff9caa4402b000 # [ 70.924030] FS: 00007f116be5a580(0000) GS:ffff9caabad80000(0000) knlGS:0000000000000000 # [ 70.933069] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.939488] CR2: 00007f116bc73000 CR3: 000000010275a005 CR4: 00000000003706e0 # [ 70.947461] Call Trace: # [ 70.950193] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xbd # [ 70.955158] direct_entry.cold+0x2c/0x38 # [ 70.959569] full_proxy_write+0x56/0x80 # [ 70.963854] vfs_write+0xea/0x390 # [ 70.967586] ksys_write+0x68/0xe0 # [ 70.971288] do_syscall_64+0x33/0x40 # [ 70.975311] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 70.980956] RIP: 0033:0x7f116bd82f33 # [ 70.984946] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 71.005933] RSP: 002b:00007ffe4c0d3828 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 71.014423] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f116bd82f33 # [ 71.022396] RDX: 0000000000000012 RSI: 00007f116bc73000 RDI: 0000000000000001 # [ 71.030368] RBP: 00007f116bc73000 R08: 00007f116bc72010 R09: 0000000000000000 # [ 71.038342] R10: 00007f116be7d1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 71.046316] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 71.060504] irq event stamp: 0 # [ 71.070128] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 71.077164] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 71.086334] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 71.095473] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 71.102475] ---[ end trace 6cc267e8849948f9 ]--- # [ 71.107632] 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 # [ 71.191453] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 71.199959] lkdtm: attempting bad refcount_inc() from saturated # [ 71.206582] ------------[ cut here ]------------ # [ 71.211747] refcount_t: saturated; leaking memory. # [ 71.217155] WARNING: CPU: 2 PID: 2386 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 71.226497] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 71.259128] CPU: 2 PID: 2386 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 71.267781] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 71.274591] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 71.280330] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 04 31 76 01 00 75 f2 48 c7 c7 60 3a 46 b9 c6 05 f4 30 76 01 01 e8 2d ec 95 00 <0f> 0b c3 80 3d e4 30 76 01 00 75 d3 48 c7 c7 88 3a 46 b9 c6 05 d4 # [ 71.301337] RSP: 0018:ffffb0e582e9fe48 EFLAGS: 00010286 # [ 71.307177] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 71.315149] RDX: ffff9caabad2c660 RSI: ffff9caabad1bf70 RDI: ffff9caabad1bf70 # [ 71.323124] RBP: ffffffffb94c8065 R08: 0000000000000000 R09: 0000000000000000 # [ 71.331097] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 71.339070] R13: ffffb0e582e9ff10 R14: ffffb0e582e9ff10 R15: ffff9caa44e8b000 # [ 71.353257] FS: 00007fcfd5ccc580(0000) GS:ffff9caabad00000(0000) knlGS:0000000000000000 # [ 71.368511] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 71.374928] CR2: 00007fcfd5ae5000 CR3: 0000000104e96006 CR4: 00000000003706e0 # [ 71.382899] Call Trace: # [ 71.385628] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x60 # [ 71.391101] direct_entry.cold+0x2c/0x38 # [ 71.395482] full_proxy_write+0x56/0x80 # [ 71.399787] vfs_write+0xea/0x390 # [ 71.403502] ksys_write+0x68/0xe0 # [ 71.413406] do_syscall_64+0x33/0x40 # [ 71.417396] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 71.423038] RIP: 0033:0x7fcfd5bf4f33 # [ 71.427029] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 71.448014] RSP: 002b:00007ffd9d5dc478 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 71.456471] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fcfd5bf4f33 # [ 71.464441] RDX: 0000000000000017 RSI: 00007fcfd5ae5000 RDI: 0000000000000001 # [ 71.472410] RBP: 00007fcfd5ae5000 R08: 00007fcfd5ae4010 R09: 0000000000000000 # [ 71.480381] R10: 00007fcfd5cef1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 71.488352] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 71.496324] irq event stamp: 0 # [ 71.499738] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 71.506739] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 71.515876] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 71.525011] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 71.532011] ---[ end trace 6cc267e8849948fa ]--- # [ 71.537165] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_SATURATED: saw 'Saturation detected: still saturated': ok ok 52 selftests: lkdtm: REFCOUNT_INC_SATURATED.sh # selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh # [ 71.630251] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 71.643088] lkdtm: attempting bad refcount_dec() from saturated # [ 71.655912] ------------[ cut here ]------------ # [ 71.667282] refcount_t: decrement hit 0; leaking memory. # [ 71.679443] WARNING: CPU: 1 PID: 2421 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 # [ 71.694976] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 71.727637] CPU: 1 PID: 2421 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 71.742483] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 71.755505] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 # [ 71.761269] Code: ff 48 c7 c7 10 3b 46 b9 c6 05 70 30 76 01 01 e8 ad eb 95 00 0f 0b c3 48 c7 c7 e0 3a 46 b9 c6 05 5b 30 76 01 01 e8 97 eb 95 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 # [ 71.788464] RSP: 0018:ffffb0e582e6fe48 EFLAGS: 00010286 # [ 71.794303] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 71.808484] RDX: ffff9caabacac660 RSI: ffff9caabac9bf70 RDI: ffff9caabac9bf70 # [ 71.816456] RBP: ffffffffb94c807c R08: 0000000000000000 R09: 0000000000000000 # [ 71.824427] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 71.832398] R13: ffffb0e582e6ff10 R14: ffffb0e582e6ff10 R15: ffff9caa43b94000 # [ 71.840369] FS: 00007f3fcc756580(0000) GS:ffff9caabac80000(0000) knlGS:0000000000000000 # [ 71.849409] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 71.855825] CR2: 00007f3fcc56f000 CR3: 0000000103c28005 CR4: 00000000003706e0 # [ 71.863786] Call Trace: # [ 71.866516] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5b # [ 71.878179] direct_entry.cold+0x2c/0x38 # [ 71.882584] full_proxy_write+0x56/0x80 # [ 71.893074] vfs_write+0xea/0x390 # [ 71.902987] ksys_write+0x68/0xe0 # [ 71.912900] do_syscall_64+0x33/0x40 # [ 71.923103] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 71.928771] RIP: 0033:0x7f3fcc67ef33 # [ 71.936738] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 71.957729] RSP: 002b:00007ffd44ffa268 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 71.970169] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f3fcc67ef33 # [ 71.978338] RDX: 0000000000000017 RSI: 00007f3fcc56f000 RDI: 0000000000000001 # [ 71.986323] RBP: 00007f3fcc56f000 R08: 00007f3fcc56e010 R09: 0000000000000000 # [ 72.000517] R10: 00007f3fcc7791c0 R11: 0000000000000246 R12: 0000000000000001 # [ 72.014710] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 72.028905] irq event stamp: 0 # [ 72.038530] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 72.051752] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 72.067108] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 72.082464] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 72.095685] ---[ end trace 6cc267e8849948fb ]--- # [ 72.107059] lkdtm: Saturation detected: still saturated # REFCOUNT_DEC_SATURATED: saw 'Saturation detected: still saturated': ok ok 53 selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh # selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh # [ 72.215453] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 72.225380] lkdtm: attempting bad refcount_dec() from saturated # [ 72.232003] ------------[ cut here ]------------ # [ 72.237168] refcount_t: saturated; leaking memory. # [ 72.248743] WARNING: CPU: 2 PID: 2456 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 72.258081] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 72.284546] CPU: 2 PID: 2456 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 72.299426] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 72.306249] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 72.318191] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 04 31 76 01 00 75 f2 48 c7 c7 60 3a 46 b9 c6 05 f4 30 76 01 01 e8 2d ec 95 00 <0f> 0b c3 80 3d e4 30 76 01 00 75 d3 48 c7 c7 88 3a 46 b9 c6 05 d4 # [ 72.339174] RSP: 0018:ffffb0e582fefe48 EFLAGS: 00010286 # [ 72.345008] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 72.352978] RDX: ffff9caabad2c660 RSI: ffff9caabad1bf70 RDI: ffff9caabad1bf70 # [ 72.360947] RBP: ffffffffb94c8093 R08: 0000000000000000 R09: 0000000000000000 # [ 72.368908] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 72.376878] R13: ffffb0e582feff10 R14: ffffb0e582feff10 R15: ffff9caa438a3000 # [ 72.384848] FS: 00007fda664ec580(0000) GS:ffff9caabad00000(0000) knlGS:0000000000000000 # [ 72.393886] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 72.400302] CR2: 00007fda66305000 CR3: 0000000103d26004 CR4: 00000000003706e0 # [ 72.408272] Call Trace: # [ 72.411000] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x60 # [ 72.416447] direct_entry.cold+0x2c/0x38 # [ 72.420826] full_proxy_write+0x56/0x80 # [ 72.425108] vfs_write+0xea/0x390 # [ 72.428807] ksys_write+0x68/0xe0 # [ 72.432506] do_syscall_64+0x33/0x40 # [ 72.436496] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 72.442136] RIP: 0033:0x7fda66414f33 # [ 72.446125] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 72.467107] RSP: 002b:00007ffc8e803b58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 72.475563] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fda66414f33 # [ 72.483533] RDX: 0000000000000017 RSI: 00007fda66305000 RDI: 0000000000000001 # [ 72.491503] RBP: 00007fda66305000 R08: 00007fda66304010 R09: 0000000000000000 # [ 72.499473] R10: 00007fda6650f1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 72.507434] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 72.515400] irq event stamp: 0 # [ 72.525020] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 72.538237] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 72.547403] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 72.556540] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 72.563540] ---[ end trace 6cc267e8849948fc ]--- # [ 72.568695] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_SATURATED: saw 'Saturation detected: still saturated': ok ok 54 selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # [ 72.658578] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 72.669269] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 72.676762] ------------[ cut here ]------------ # [ 72.681919] refcount_t: saturated; leaking memory. # [ 72.687302] WARNING: CPU: 2 PID: 2488 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 # [ 72.696640] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 72.729275] CPU: 2 PID: 2488 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 72.737947] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 72.744755] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 72.750493] Code: 05 d4 30 76 01 01 e8 0e ec 95 00 0f 0b c3 80 3d c7 30 76 01 00 75 b4 48 c7 c7 60 3a 46 b9 c6 05 b7 30 76 01 01 e8 ef eb 95 00 <0f> 0b c3 80 3d a5 30 76 01 00 75 95 48 c7 c7 b8 3a 46 b9 c6 05 95 # [ 72.771477] RSP: 0018:ffffb0e58304fe38 EFLAGS: 00010282 # [ 72.777315] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 72.785289] RDX: ffff9caabad2c660 RSI: ffff9caabad1bf70 RDI: ffff9caabad1bf70 # [ 72.793259] RBP: ffffffffb94c7cc0 R08: 0000000000000000 R09: 0000000000000000 # [ 72.801234] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 72.815419] R13: ffffb0e58304ff10 R14: ffffb0e58304ff10 R15: ffff9caa459df000 # [ 72.829606] FS: 00007f59d9f23580(0000) GS:ffff9caabad00000(0000) knlGS:0000000000000000 # [ 72.838647] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 72.845080] CR2: 00007f59d9d3c000 CR3: 00000001026e6003 CR4: 00000000003706e0 # [ 72.853061] Call Trace: # [ 72.862024] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 72.868164] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x72 # [ 72.880690] direct_entry.cold+0x2c/0x38 # [ 72.891289] full_proxy_write+0x56/0x80 # [ 72.895602] vfs_write+0xea/0x390 # [ 72.899303] ksys_write+0x68/0xe0 # [ 72.903006] do_syscall_64+0x33/0x40 # [ 72.906998] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 72.912641] RIP: 0033:0x7f59d9e4bf33 # [ 72.916632] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 72.937614] RSP: 002b:00007ffc2f026aa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 72.946072] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f59d9e4bf33 # [ 72.954044] RDX: 0000000000000020 RSI: 00007f59d9d3c000 RDI: 0000000000000001 # [ 72.962016] RBP: 00007f59d9d3c000 R08: 00007f59d9d3b010 R09: 0000000000000000 # [ 72.969989] R10: 00007f59d9f461c0 R11: 0000000000000246 R12: 0000000000000001 # [ 72.977960] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 72.985935] irq event stamp: 0 # [ 72.989364] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 72.996366] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 73.005504] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 73.014641] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 73.021643] ---[ end trace 6cc267e8849948fd ]--- # [ 73.026798] 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 # [ 73.268880] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 73.279720] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 73.293425] ------------[ cut here ]------------ # [ 73.304792] refcount_t: saturated; leaking memory. # [ 73.316371] WARNING: CPU: 1 PID: 2520 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 # [ 73.331907] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 73.364558] CPU: 1 PID: 2520 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 73.379424] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 73.392447] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 73.404403] Code: 05 d4 30 76 01 01 e8 0e ec 95 00 0f 0b c3 80 3d c7 30 76 01 00 75 b4 48 c7 c7 60 3a 46 b9 c6 05 b7 30 76 01 01 e8 ef eb 95 00 <0f> 0b c3 80 3d a5 30 76 01 00 75 95 48 c7 c7 b8 3a 46 b9 c6 05 95 # [ 73.431604] RSP: 0018:ffffb0e5830c7e38 EFLAGS: 00010282 # [ 73.443672] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 73.451651] RDX: ffff9caabacac660 RSI: ffff9caabac9bf70 RDI: ffff9caabac9bf70 # [ 73.465837] RBP: ffffffffb94c7ce0 R08: 0000000000000000 R09: 0000000000000000 # [ 73.480026] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 73.494215] R13: ffffb0e5830c7f10 R14: ffffb0e5830c7f10 R15: ffff9caa459d3000 # [ 73.508406] FS: 00007f91b19bc580(0000) GS:ffff9caabac80000(0000) knlGS:0000000000000000 # [ 73.523683] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 73.536318] CR2: 00007f91b17d5000 CR3: 0000000106040006 CR4: 00000000003706e0 # [ 73.550506] Call Trace: # [ 73.559454] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 73.571798] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x72 # [ 73.584333] direct_entry.cold+0x2c/0x38 # [ 73.594931] full_proxy_write+0x56/0x80 # [ 73.605426] vfs_write+0xea/0x390 # [ 73.615342] ksys_write+0x68/0xe0 # [ 73.625259] do_syscall_64+0x33/0x40 # [ 73.635466] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 73.647323] RIP: 0033:0x7f91b18e4f33 # [ 73.657527] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 73.684740] RSP: 002b:00007ffc3f5e73b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 73.699414] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f91b18e4f33 # [ 73.713602] RDX: 0000000000000020 RSI: 00007f91b17d5000 RDI: 0000000000000001 # [ 73.727790] RBP: 00007f91b17d5000 R08: 00007f91b17d4010 R09: 0000000000000000 # [ 73.741978] R10: 00007f91b19df1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 73.756167] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 73.764144] irq event stamp: 0 # [ 73.773761] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 73.786981] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 73.802335] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 73.811474] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 73.824688] ---[ end trace 6cc267e8849948fe ]--- # [ 73.836060] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_NOT_ZERO_SATURATED: saw 'call trace:': ok ok 56 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh # [ 73.926368] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 73.936600] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 73.950303] ------------[ cut here ]------------ # [ 73.961671] refcount_t: underflow; use-after-free. # [ 73.973265] WARNING: CPU: 1 PID: 2555 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 73.988789] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 74.021454] CPU: 1 PID: 2555 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 74.036301] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 74.049322] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 74.061277] Code: 05 b7 30 76 01 01 e8 ef eb 95 00 0f 0b c3 80 3d a5 30 76 01 00 75 95 48 c7 c7 b8 3a 46 b9 c6 05 95 30 76 01 01 e8 d0 eb 95 00 <0f> 0b c3 80 3d 84 30 76 01 00 0f 85 72 ff ff ff 48 c7 c7 10 3b 46 # [ 74.088477] RSP: 0018:ffffb0e583147e40 EFLAGS: 00010286 # [ 74.100530] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 74.114735] RDX: ffff9caabacac660 RSI: ffff9caabac9bf70 RDI: ffff9caabac9bf70 # [ 74.128924] RBP: ffffffffb94c7d00 R08: 0000000000000000 R09: 0000000000000000 # [ 74.143112] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 74.157301] R13: ffffb0e583147f10 R14: ffffb0e583147f10 R15: ffff9caa43c57000 # [ 74.171493] FS: 00007fa5524d4580(0000) GS:ffff9caabac80000(0000) knlGS:0000000000000000 # [ 74.186750] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 74.199386] CR2: 00007fa5522ed000 CR3: 000000010386c001 CR4: 00000000003706e0 # [ 74.213574] Call Trace: # [ 74.216306] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 74.228644] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x72 # [ 74.241183] direct_entry.cold+0x2c/0x38 # [ 74.251779] full_proxy_write+0x56/0x80 # [ 74.262277] vfs_write+0xea/0x390 # [ 74.272191] ksys_write+0x68/0xe0 # [ 74.282107] do_syscall_64+0x33/0x40 # [ 74.292314] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 74.304174] RIP: 0033:0x7fa5523fcf33 # [ 74.314379] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 74.341583] RSP: 002b:00007ffcf0239618 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 74.356259] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fa5523fcf33 # [ 74.370450] RDX: 0000000000000020 RSI: 00007fa5522ed000 RDI: 0000000000000001 # [ 74.384641] RBP: 00007fa5522ed000 R08: 00007fa5522ec010 R09: 0000000000000000 # [ 74.398830] R10: 00007fa5524f71c0 R11: 0000000000000246 R12: 0000000000000001 # [ 74.413021] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 74.427213] irq event stamp: 0 # [ 74.436837] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 74.450058] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 74.465414] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 74.480768] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 74.493988] ---[ end trace 6cc267e8849948ff ]--- # [ 74.505358] lkdtm: Saturation detected: still saturated # REFCOUNT_DEC_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 57 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh # [ 74.646501] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 74.656165] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 74.669870] ------------[ cut here ]------------ # [ 74.681236] refcount_t: underflow; use-after-free. # [ 74.686615] WARNING: CPU: 1 PID: 2590 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 74.702131] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 74.734774] CPU: 1 PID: 2590 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 74.749644] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 74.762682] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 74.768422] Code: 05 b7 30 76 01 01 e8 ef eb 95 00 0f 0b c3 80 3d a5 30 76 01 00 75 95 48 c7 c7 b8 3a 46 b9 c6 05 95 30 76 01 01 e8 d0 eb 95 00 <0f> 0b c3 80 3d 84 30 76 01 00 0f 85 72 ff ff ff 48 c7 c7 10 3b 46 # [ 74.795619] RSP: 0018:ffffb0e5831dfe40 EFLAGS: 00010286 # [ 74.801458] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 74.815639] RDX: ffff9caabacac660 RSI: ffff9caabac9bf70 RDI: ffff9caabac9bf70 # [ 74.823612] RBP: ffffffffb94c7d20 R08: 0000000000000000 R09: 0000000000000000 # [ 74.837797] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 74.845772] R13: ffffb0e5831dff10 R14: ffffb0e5831dff10 R15: ffff9caa43f93000 # [ 74.859957] FS: 00007fec5a368580(0000) GS:ffff9caabac80000(0000) knlGS:0000000000000000 # [ 74.869000] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 74.881630] CR2: 00007fec5a181000 CR3: 0000000105b7c005 CR4: 00000000003706e0 # [ 74.889605] Call Trace: # [ 74.898549] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 74.910894] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x72 # [ 74.917219] direct_entry.cold+0x2c/0x38 # [ 74.927811] full_proxy_write+0x56/0x80 # [ 74.938317] vfs_write+0xea/0x390 # [ 74.948225] ksys_write+0x68/0xe0 # [ 74.958142] do_syscall_64+0x33/0x40 # [ 74.968347] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 74.973991] RIP: 0033:0x7fec5a290f33 # [ 74.984192] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 75.005206] RSP: 002b:00007ffc3ac00a48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 75.019856] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fec5a290f33 # [ 75.034045] RDX: 0000000000000020 RSI: 00007fec5a181000 RDI: 0000000000000001 # [ 75.042020] RBP: 00007fec5a181000 R08: 00007fec5a180010 R09: 0000000000000000 # [ 75.056203] R10: 00007fec5a38b1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 75.064175] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 75.072150] irq event stamp: 0 # [ 75.081773] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 75.088779] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 75.104127] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 75.113268] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 75.126480] ---[ end trace 6cc267e884994900 ]--- # [ 75.131628] lkdtm: Saturation detected: still saturated # REFCOUNT_SUB_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 58 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_TIMING.sh # Skipping REFCOUNT_TIMING: timing only ok 59 selftests: lkdtm: REFCOUNT_TIMING.sh # SKIP # selftests: lkdtm: ATOMIC_TIMING.sh # Skipping ATOMIC_TIMING: timing only ok 60 selftests: lkdtm: ATOMIC_TIMING.sh # SKIP # selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # [ 75.280403] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 75.293353] lkdtm: attempting good copy_to_user of correct size # [ 75.306203] 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 # [ 75.424555] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 75.431687] lkdtm: attempting good copy_from_user of correct size # [ 75.444709] 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 # [ 75.542776] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 75.552118] lkdtm: attempting good copy_to_user inside whitelist # [ 75.565026] 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 # [ 75.673038] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 75.684758] lkdtm: attempting good copy_from_user inside whitelist # [ 75.691677] 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 # [ 75.799657] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 75.811160] lkdtm: good_stack: ffffb0e58358fe20-ffffb0e58358fe40 # [ 75.824083] lkdtm: bad_stack : ffffb0e58358fda8-ffffb0e58358fdc8 # [ 75.837008] lkdtm: attempting good copy_to_user of local stack # [ 75.849740] 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 # [ 75.950814] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 75.962910] lkdtm: good_stack: ffffb0e58362fe20-ffffb0e58362fe40 # [ 75.969624] lkdtm: bad_stack : ffffb0e58362fda8-ffffb0e58362fdc8 # [ 75.976343] lkdtm: attempting good copy_from_user of local stack # [ 75.989282] 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 # [ 76.076507] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 76.083624] lkdtm: good_stack: ffffb0e5836c7e20-ffffb0e5836c7e40 # [ 76.096576] lkdtm: bad_stack : ffffb0e5836c7ff8-ffffb0e5836c8018 # [ 76.109507] lkdtm: attempting good copy_to_user of local stack # [ 76.122197] lkdtm: attempting bad copy_to_user of distant stack # [ 76.135024] 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 # [ 76.229177] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 76.240252] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffb90d9f10 # [ 76.248920] lkdtm: attempting bad copy_to_user from kernel text: ffffffffb7ed1460 # [ 76.257291] 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 # [ 76.363855] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 76.374916] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 76.389021] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 76.403012] lkdtm: FAIL: the thread stack is NOT properly erased # [ 76.415966] CPU: 0 PID: 2955 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 76.430790] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 76.437594] Call Trace: # [ 76.440323] dump_stack+0x77/0x97 # [ 76.444025] lkdtm_STACKLEAK_ERASING+0x116/0x140 # [ 76.449169] direct_entry.cold+0x2c/0x38 # [ 76.453548] full_proxy_write+0x56/0x80 # [ 76.457829] vfs_write+0xea/0x390 # [ 76.461524] ksys_write+0x68/0xe0 # [ 76.465222] do_syscall_64+0x33/0x40 # [ 76.469202] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 76.474834] RIP: 0033:0x7efc94a39f33 # [ 76.478821] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 76.499802] RSP: 002b:00007ffcf4657a08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 76.508257] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007efc94a39f33 # [ 76.516225] RDX: 0000000000000012 RSI: 00007efc9492a000 RDI: 0000000000000001 # [ 76.524195] RBP: 00007efc9492a000 R08: 00007efc94929010 R09: 0000000000000000 # [ 76.532165] R10: 00007efc94b341c0 R11: 0000000000000246 R12: 0000000000000001 # [ 76.540132] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACKLEAK_ERASING: missing 'OK: the rest of the thread stack is properly erased': [FAIL] not ok 69 selftests: lkdtm: STACKLEAK_ERASING.sh # exit=1 # selftests: lkdtm: CFI_FORWARD_PROTO.sh # [ 76.642228] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 76.653934] lkdtm: Calling matched prototype ... # [ 76.665317] lkdtm: Calling mismatched prototype ... # [ 76.676972] 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 / #