[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: .Timeout wait for TPM IRQ! .Timeout wait for TPM IRQ! . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2da4373 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_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2da4373 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 42948 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_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2da4373 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) FMAP: area RW_VPD found @ 9f8000 (8192 bytes) 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 0x7afff400 In relocation handler: CPU 3 New SMBASE=0x7afff400 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. 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 #3 Initializing CPU #2 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 apic_id: 0x03 done. Setting up local APIC...Setting up local APIC...Skip microcode update apic_id: 0x02 done. CPU #3 initialized Skip microcode update apic_id: 0x01 done. CPU #2 initialized 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 376045 run 171099 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 8974 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 8970 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 8965 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 8964 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 8974 usecs scan_usb_bus for USB0 port 0 done scan_bus: scanning of bus USB0 port 0 took 90968 usecs scan_usb_bus for PCI: 00:14.0 done scan_bus: scanning of bus PCI: 00:14.0 took 107760 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 14155 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 14153 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 22370 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 53535 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 13851 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 11323 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 9266 usecs PCI: 00:1f.3 scanning... scan_bus: scanning of bus PCI: 00:1f.3 took 2716 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 10045 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 10045 usecs scan_bus: scanning of bus DOMAIN: 0000 took 466119 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 486234 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 826131 exit 39234 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: 00:1e.6 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 2113831 exit 29 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 228 run 139293 exit 19498 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 30856 usecs CPU_CLUSTER: 0 init ... CPU_CLUSTER: 0 init finished in 2443 usecs PCI: 00:00.0 init ... CPU TDP: 5 Watts CPU PL2 = 18 Watts PCI: 00:00.0 init finished in 6974 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 2247 usecs PCI: 00:08.0 init ... PCI: 00:08.0 init finished in 2247 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 2247 usecs PCI: 00:15.0 init ... DW I2C bus 0 at 0xd1132000 (400 KHz) PCI: 00:15.0 init finished in 5965 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 2249 usecs PCI: 00:19.1 init ... DW I2C bus 5 at 0xd1136000 (400 KHz) PCI: 00:19.1 init finished in 5965 usecs PCI: 00:1c.0 init ... Initializing PCH PCIe bridge. PCI: 00:1c.0 init finished in 5287 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 23466 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 23952 usecs PCI: 00:1f.4 init ... PCI: 00:1f.4 init finished in 2258 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2392 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_v2.0.425-6e0dd622e running image: 1 EC returned error result code 1 PNP: 0c09.0 init finished in 24409 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 2023-05-30 16:01:12 UTC POST: Unexpected post code in previous boot: 0x34 ELOG: Event(A3) added with size 11 at 2023-05-30 16:01:12 UTC ELOG: Event(92) added with size 9 at 2023-05-30 16:01:12 UTC ELOG: Event(9A) added with size 9 at 2023-05-30 16:01:12 UTC ELOG: Event(AD) added with size 10 at 2023-05-30 16:01:12 UTC ELOG: Event(9F) added with size 14 at 2023-05-30 16:01:12 UTC BS: BS_DEV_INIT times (us): entry 0 run 417179 exit 60032 ELOG: Event(A1) added with size 10 at 2023-05-30 16:01:12 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2023-05-30 16:01:12 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 25556 run 3967 exit 5192 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, 0x5a4 bytes, checksum 17c2 coreboot table: 1468 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 VPD 7. 7affe920 00000047 COREBOOTFWD 8. 7affe8e0 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 537419 exit 146328 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 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 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() CPU physical address size: 39 bits CPU physical address size: 39 bits CBFS: Found @ offset 223040 size 360b4 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 : 0x00084000 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 606 run 259940 exit 135313 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 10527071/tftp-deploy-gzt7f09a/kernel/bzImage 10527071/tftp-deploy-gzt7f09a/kernel/cmdline 10527071/tftp-deploy-gzt7f09a/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 10527071/tftp-deploy-gzt7f09a/kernel/bzIploy-gzt7f09a/kernel/cmdline 10527071/tftp-deploy-gzt7f09a/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:78:7f:da Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.12 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 10527071/tftp-deploy-gzt7f09a/kernel/bzImage Sending tftp read request... done. Waiting for the transfer... 00000000 ################################################################ 00080000 ################################################################ 00100000 ################################################################ 00180000 ################################################################ 00200000 ################################################################ 00280000 ################################################################ 00300000 ################################################################ 00380000 ################################################################ 00400000 ################################################################ 00480000 ################################################################ 00500000 ################################################################ 00580000 ################################################################ 00600000 ################################################################ 00680000 ################################################################ 00700000 ################################################################ 00780000 ################################################################ 00800000 ################################################################ 00880000 ################################################################ 00900000 ################################################################ 00980000 ################################################################ 00a00000 ################################################################ 00a80000 ################################################################ 00b00000 ################################################################ 00b80000 ################################################################ 00c00000 ################################################################ 00c80000 ################################################################ 00d00000 ################################################################ 00d80000 ################################################################ 00e00000 ################################################################ 00e80000 ################################################################ 00f00000 ################################################################ 00f80000 ################### done. The bootfile was 16408096 bytes long. Sending tftp read request... done. Waiting for the transfer... 00000000 ################################################################ 00080000 ################################################################ 00100000 ################################################################ 00180000 ################################################################ 00200000 ################################################################ 00280000 ################################################################ 00300000 ################################################################ 00380000 ################################################################ 00400000 ################################################################ 00480000 ################################################################ 00500000 ################################################################ 00580000 ################################################################ 00600000 ################################################################ 00680000 ################################################################ 00700000 ################################################################ 00780000 ################################################################ 00800000 ################################################################ 00880000 ################################################################ 00900000 ################################################################ 00980000 ################################################################ 00a00000 ################### done. Sending tftp read request... done. Waiting for the transfer... 00000000 # done. Command line loaded dynamically from TFTP file: 10527071/tftp-deploy-gzt7f09a/kernel/cmdline The command line is: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console_msg_format=syslog earlycon console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/10527071/extract-nfsrootfs-91ay7doq,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: 21798640 Starting kernel ... <5>[ 0.000000] Linux version 5.10.181-cip34 (KernelCI@build-j1586849-x86-64-gcc-10-x86-64-defconfig-x86-chromebo2x5bz) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Tue May 30 15:47:57 UTC 2023 <6>[ 0.000000] Command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console_msg_format=syslog earlycon console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/10527071/extract-nfsrootfs-91ay7doq,tcp,hard ip=dhcp tftpserverip=192.168.201.1 <6>[ 0.000000] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' <6>[ 0.000000] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' <6>[ 0.000000] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' <6>[ 0.000000] x86/fpu: Supporting XSAVE feature 0x008: 'MPX bounds registers' <6>[ 0.000000] x86/fpu: Supporting XSAVE feature 0x010: 'MPX CSR' <6>[ 0.000000] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 <6>[ 0.000000] x86/fpu: xstate_offset[3]: 832, xstate_sizes[3]: 64 <6>[ 0.000000] x86/fpu: xstate_offset[4]: 896, xstate_sizes[4]: 64 <6>[ 0.000000] x86/fpu: Enabled xstate features 0x1f, context size is 960 bytes, using 'compacted' format. <6>[ 0.000000] BIOS-provided physical RAM map: <6>[ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x0000000000000fff] type 16 <6>[ 0.000000] BIOS-e820: [mem 0x0000000000001000-0x000000000009ffff] usable <6>[ 0.000000] BIOS-e820: [mem 0x00000000000a0000-0x00000000000fffff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000007a997fff] usable <6>[ 0.000000] BIOS-e820: [mem 0x000000007a998000-0x000000007affffff] type 16 <6>[ 0.000000] BIOS-e820: [mem 0x000000007b000000-0x000000007fffffff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x00000000e0000000-0x00000000e3ffffff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x00000000fe000000-0x00000000fe00ffff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x00000000fed10000-0x00000000fed19fff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x00000000fed80000-0x00000000fed84fff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x00000000fed90000-0x00000000fed91fff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000017effffff] usable <6>[ 0.000000] NX (Execute Disable) protection: active <6>[ 0.000000] SMBIOS 2.7 present. <6>[ 0.000000] DMI: Google Rammus/Rammus, BIOS 09/04/2020 <6>[ 0.000000] tsc: Detected 1600.000 MHz processor <6>[ 0.000000] tsc: Detected 1599.960 MHz TSC <6>[ 0.000048] last_pfn = 0x17f000 max_arch_pfn = 0x400000000 <6>[ 0.001218] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT <6>[ 0.006027] last_pfn = 0x7a998 max_arch_pfn = 0x400000000 <6>[ 0.020378] check: Scanning 1 areas for low memory corruption <6>[ 0.020389] Using GB pages for direct mapping <6>[ 0.020819] RAMDISK: [mem 0x375db000-0x37ffffff] <6>[ 0.020825] ACPI: Early table checksum verification disabled <6>[ 0.020832] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) <6>[ 0.020842] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.020856] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.020869] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531) <6>[ 0.020879] ACPI: FACS 0x000000007AA9A240 000040 <6>[ 0.020888] ACPI: FACS 0x000000007AA9A240 000040 <6>[ 0.020897] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE COREBOOT 0000002A CORE 0000002A) <6>[ 0.020908] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.020918] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.020927] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.020937] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS 00000000 CORE 00000000) <6>[ 0.020947] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.020957] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.020966] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.020976] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63] <6>[ 0.020980] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962] <6>[ 0.020984] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] <6>[ 0.020988] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] <6>[ 0.020992] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969] <6>[ 0.020996] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab] <6>[ 0.020999] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef] <6>[ 0.021003] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b] <6>[ 0.021007] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b] <6>[ 0.021011] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607] <6>[ 0.021014] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670] <6>[ 0.021018] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7] <6>[ 0.021149] No NUMA configuration found <6>[ 0.021153] Faking a node at [mem 0x0000000000000000-0x000000017effffff] <6>[ 0.021161] NODE_DATA(0) allocated [mem 0x17effa000-0x17effdfff] <6>[ 0.021198] Zone ranges: <6>[ 0.021202] DMA [mem 0x0000000000001000-0x0000000000ffffff] <6>[ 0.021208] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] <6>[ 0.021214] Normal [mem 0x0000000100000000-0x000000017effffff] <6>[ 0.021219] Movable zone start for each node <6>[ 0.021223] Early memory node ranges <6>[ 0.021227] node 0: [mem 0x0000000000001000-0x000000000009ffff] <6>[ 0.021231] node 0: [mem 0x0000000000100000-0x000000007a997fff] <6>[ 0.021235] node 0: [mem 0x0000000100000000-0x000000017effffff] <6>[ 0.021240] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff] <6>[ 0.021269] On node 0, zone DMA: 1 pages in unavailable ranges <6>[ 0.021306] On node 0, zone DMA: 96 pages in unavailable ranges <6>[ 0.031175] On node 0, zone Normal: 22120 pages in unavailable ranges <6>[ 0.031229] On node 0, zone Normal: 4096 pages in unavailable ranges <6>[ 0.031252] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] <6>[ 0.031596] ACPI: PM-Timer IO Port: 0x1808 <6>[ 0.031645] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 <6>[ 0.031656] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) <6>[ 0.031661] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) <6>[ 0.031672] Using ACPI (MADT) for SMP configuration information <6>[ 0.031677] ACPI: HPET id: 0x8086a701 base: 0xfed00000 <6>[ 0.031683] TSC deadline timer available <6>[ 0.031687] smpboot: Allowing 4 CPUs, 0 hotplug CPUs <6>[ 0.031710] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] <6>[ 0.031715] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] <6>[ 0.031719] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff] <6>[ 0.031723] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] <6>[ 0.031726] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff] <6>[ 0.031729] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff] <6>[ 0.031733] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff] <6>[ 0.031736] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff] <6>[ 0.031739] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff] <6>[ 0.031743] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff] <6>[ 0.031746] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff] <6>[ 0.031749] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff] <6>[ 0.031752] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff] <6>[ 0.031756] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff] <6>[ 0.031759] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff] <6>[ 0.031766] [mem 0x80000000-0xdfffffff] available for PCI devices <6>[ 0.031772] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns <6>[ 0.044916] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 <6>[ 0.045136] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 <6>[ 0.045199] Built 1 zonelists, mobility grouping on. Total pages: 1006266 <6>[ 0.045203] Policy zone: Normal <5>[ 0.045214] Kernel command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console_msg_format=syslog earlycon console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/10527071/extract-nfsrootfs-91ay7doq,tcp,hard ip=dhcp tftpserverip=192.168.201.1 <6>[ 0.045649] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) <6>[ 0.045857] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) <6>[ 0.045931] mem auto-init: stack:off, heap alloc:off, heap free:off <6>[ 0.064486] Memory: 3878204K/4089052K available (22546K kernel code, 3691K rwdata, 9380K rodata, 2148K init, 14096K bss, 210588K reserved, 0K cma-reserved) <6>[ 0.064617] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 <6>[ 0.064670] Kernel/User page tables isolation: enabled <6>[ 0.064747] ftrace: allocating 60777 entries in 238 pages <6>[ 0.118102] ftrace: allocated 238 pages with 6 groups <6>[ 0.118338] Running RCU self tests <6>[ 0.118351] rcu: Hierarchical RCU implementation. <6>[ 0.118355] rcu: RCU event tracing is enabled. <6>[ 0.118358] rcu: RCU lockdep checking is enabled. <6>[ 0.118362] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. <6>[ 0.118367] Rude variant of Tasks RCU enabled. <6>[ 0.118370] Tracing variant of Tasks RCU enabled. <6>[ 0.118374] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. <6>[ 0.118378] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 <6>[ 0.126499] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 <5>[ 0.126921] random: crng init done <6>[ 0.127024] Console: colour dummy device 80x25 <6>[ 0.205476] printk: console [ttyS0] enabled <4>[ 0.205865] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar <4>[ 0.206548] ... MAX_LOCKDEP_SUBCLASSES: 8 <4>[ 0.206929] ... MAX_LOCK_DEPTH: 48 <4>[ 0.207318] ... MAX_LOCKDEP_KEYS: 8192 <4>[ 0.207720] ... CLASSHASH_SIZE: 4096 <4>[ 0.208117] ... MAX_LOCKDEP_ENTRIES: 32768 <4>[ 0.208527] ... MAX_LOCKDEP_CHAINS: 65536 <4>[ 0.208938] ... CHAINHASH_SIZE: 32768 <4>[ 0.209342] memory used by lock dependency info: 6365 kB <4>[ 0.209831] memory used for stack traces: 4224 kB <4>[ 0.210270] per task-struct memory footprint: 1920 bytes <6>[ 0.210805] ACPI: Core revision 20200925 <6>[ 0.211342] hpet: HPET dysfunctional in PC10. Force disabled. <6>[ 0.211870] APIC: Switch to symmetric I/O mode setup <6>[ 0.216366] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns <6>[ 0.217302] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960) <6>[ 0.218227] pid_max: default: 32768 minimum: 301 <6>[ 0.218287] LSM: Security Framework initializing <6>[ 0.218287] SELinux: Initializing. <6>[ 0.218287] LSM support for eBPF active <6>[ 0.218287] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) <6>[ 0.218287] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) <6>[ 0.218287] mce: CPU0: Thermal monitoring enabled (TM1) <6>[ 0.218287] process: using mwait in idle threads <6>[ 0.218287] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 <6>[ 0.218287] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 <6>[ 0.218287] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization <6>[ 0.218287] Spectre V2 : Mitigation: IBRS <6>[ 0.218287] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch <6>[ 0.218287] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT <6>[ 0.218287] RETBleed: Mitigation: IBRS <6>[ 0.218287] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier <6>[ 0.218287] Spectre V2 : User space: Mitigation: STIBP via seccomp and prctl <6>[ 0.218287] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp <6>[ 0.218287] MDS: Vulnerable: Clear CPU buffers attempted, no microcode <6>[ 0.218287] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode <6>[ 0.218287] SRBDS: Vulnerable: No microcode <4>[ 0.218287] ------------[ cut here ]------------ <4>[ 0.218287] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 <4>[ 0.218287] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:712 apply_returns+0x1f5/0x220 <4>[ 0.218287] Modules linked in: <4>[ 0.218287] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.181-cip34 #1 <4>[ 0.218287] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 0.218287] RIP: 0010:apply_returns+0x1f5/0x220 <4>[ 0.218287] Code: 46 02 00 0f 85 e1 fe ff ff 49 89 e8 b9 05 00 00 00 4c 89 f2 48 89 ee 48 c7 c7 00 69 6f a1 c6 05 7b eb 46 02 01 e8 82 f7 10 01 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc <4>[ 0.218287] RSP: 0000:ffffffffa1a03de0 EFLAGS: 00010282 <4>[ 0.218287] RAX: 0000000000000000 RBX: ffffffffa260b358 RCX: 0000000000000000 <4>[ 0.218287] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff9f977c91 <4>[ 0.218287] RBP: ffffffffa137ecc0 R08: 0000000000000001 R09: 0000000000000001 <4>[ 0.218287] R10: ffffffffa1a8fee0 R11: 3fffffffffffffff R12: ffffffffa26234a8 <4>[ 0.218287] R13: cccccccccccccccc R14: ffffffffa137ecc5 R15: 0000000000000004 <4>[ 0.218287] FS: 0000000000000000(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000 <4>[ 0.218287] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 0.218287] CR2: ffff9efd3efff000 CR3: 0000000020626001 CR4: 00000000003706f0 <4>[ 0.218287] Call Trace: <4>[ 0.218287] ? __warn+0x80/0x110 <4>[ 0.218287] ? apply_returns+0x1f5/0x220 <4>[ 0.218287] ? report_bug+0x9e/0xc0 <4>[ 0.218287] ? __warn_printk+0x6c/0x8d <4>[ 0.218287] ? handle_bug+0x41/0x90 <4>[ 0.218287] ? exc_invalid_op+0x14/0x70 <4>[ 0.218287] ? asm_exc_invalid_op+0x12/0x20 <4>[ 0.218287] ? console_unlock+0x4d1/0x5f0 <4>[ 0.218287] ? apply_returns+0x1f5/0x220 <4>[ 0.218287] alternative_instructions+0x7d/0x143 <4>[ 0.218287] check_bugs+0xe9f/0xefb <4>[ 0.218287] start_kernel+0x517/0x54d <4>[ 0.218287] secondary_startup_64_no_verify+0xc2/0xcb <4>[ 0.218287] irq event stamp: 198811 <4>[ 0.218287] hardirqs last enabled at (198819): [] console_unlock+0x4d1/0x5f0 <4>[ 0.218287] hardirqs last disabled at (198826): [] console_unlock+0x444/0x5f0 <4>[ 0.218287] softirqs last enabled at (1840): [] cgroup_idr_alloc.constprop.0+0x5b/0xe0 <4>[ 0.218287] softirqs last disabled at (1838): [] cgroup_idr_alloc.constprop.0+0x2e/0xe0 <4>[ 0.218287] ---[ end trace ffd54ce207130e74 ]--- <6>[ 0.218287] Freeing SMP alternatives memory: 48K <6>[ 0.218287] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9) <6>[ 0.223393] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver. <6>[ 0.225300] ... version: 4 <6>[ 0.226292] ... bit width: 48 <6>[ 0.227292] ... generic registers: 4 <6>[ 0.228292] ... value mask: 0000ffffffffffff <6>[ 0.229292] ... max period: 00007fffffffffff <6>[ 0.230292] ... fixed-purpose events: 3 <6>[ 0.231292] ... event mask: 000000070000000f <6>[ 0.235389] rcu: Hierarchical SRCU implementation. <6>[ 0.250349] smp: Bringing up secondary CPUs ... <6>[ 0.256369] x86: Booting SMP configuration: <6>[ 0.257295] .... node #0, CPUs: #1 <4>[ 0.263383] 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. <4>[ 0.265294] 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. <4>[ 0.271332] #2 #3 <6>[ 0.289343] smp: Brought up 1 node, 4 CPUs <6>[ 0.291294] smpboot: Max logical packages: 1 <6>[ 0.292293] smpboot: Total of 4 processors activated (12799.68 BogoMIPS) <6>[ 0.305385] devtmpfs: initialized <6>[ 0.308322] x86/mm: Memory block size: 128MB <6>[ 0.335329] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns <6>[ 0.336303] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) <6>[ 0.340331] pinctrl core: initialized pinctrl subsystem <6>[ 0.348294] PM: RTC time: 16:01:29, date: 2023-05-30 <6>[ 0.353321] NET: Registered protocol family 16 <6>[ 0.359352] audit: initializing netlink subsys (disabled) <5>[ 0.360331] audit: type=2000 audit(1685462489.143:1): state=initialized audit_enabled=0 res=1 <6>[ 0.365382] thermal_sys: Registered thermal governor 'step_wise' <6>[ 0.366294] thermal_sys: Registered thermal governor 'user_space' <6>[ 0.367358] cpuidle: using governor menu <6>[ 0.370382] ACPI: bus type PCI registered <6>[ 0.373359] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000) <6>[ 0.374296] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820 <6>[ 0.375331] PCI: Using configuration type 1 for base access <6>[ 0.636392] Kprobes globally optimized <6>[ 0.639329] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages <6>[ 0.640314] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages <6>[ 0.643293] cryptomgr_test (38) used greatest stack depth: 14880 bytes left <6>[ 0.667345] ACPI: Added _OSI(Module Device) <6>[ 0.671295] ACPI: Added _OSI(Processor Device) <6>[ 0.674294] ACPI: Added _OSI(3.0 _SCP Extensions) <6>[ 0.678296] ACPI: Added _OSI(Processor Aggregator Device) <6>[ 0.682296] ACPI: Added _OSI(Linux-Dell-Video) <6>[ 0.686295] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) <6>[ 0.690296] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) <6>[ 0.780395] ACPI: 2 ACPI AML tables successfully acquired and loaded <6>[ 0.840407] ACPI: EC: EC started <6>[ 0.843293] ACPI: EC: interrupt blocked <6>[ 0.852344] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 <6>[ 0.856298] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions <6>[ 0.861294] ACPI: Interpreter enabled <6>[ 0.864352] ACPI: (supports S0 S3 S4 S5) <6>[ 0.868295] ACPI: Using IOAPIC for interrupt routing <6>[ 0.872364] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug <6>[ 1.001397] ACPI: Power Resource [PRIC] (on) <6>[ 1.240400] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) <6>[ 1.245309] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] <6>[ 1.254312] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] <6>[ 1.259358] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge <6>[ 1.272348] PCI host bridge to bus 0000:00 <6>[ 1.275297] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] <6>[ 1.281296] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] <6>[ 1.286296] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] <6>[ 1.291296] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window] <6>[ 1.297296] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window] <6>[ 1.302295] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window] <6>[ 1.308300] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window] <6>[ 1.314296] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window] <6>[ 1.319297] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window] <6>[ 1.325296] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window] <6>[ 1.330295] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window] <6>[ 1.336296] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window] <6>[ 1.342296] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window] <6>[ 1.347295] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window] <6>[ 1.353296] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window] <6>[ 1.358295] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window] <6>[ 1.364296] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window] <6>[ 1.370296] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window] <6>[ 1.375298] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window] <6>[ 1.381299] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window] <6>[ 1.386296] pci_bus 0000:00: root bus resource [bus 00-ff] <6>[ 1.391378] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000 <6>[ 1.403369] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000 <6>[ 1.408315] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit] <6>[ 1.414307] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref] <6>[ 1.419304] pci 0000:00:02.0: reg 0x20: [io 0x1c00-0x1c3f] <6>[ 1.427390] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000 <6>[ 1.433317] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit] <6>[ 1.443382] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000 <6>[ 1.448318] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit] <6>[ 1.458398] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330 <6>[ 1.463331] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit] <6>[ 1.470314] pci 0000:00:14.0: PME# supported from D3hot D3cold <6>[ 1.479353] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000 <6>[ 1.484331] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit] <6>[ 1.495311] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000 <6>[ 1.500339] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit] <6>[ 1.511322] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000 <6>[ 1.516339] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit] <6>[ 1.527354] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000 <6>[ 1.532338] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit] <6>[ 1.538325] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit] <6>[ 1.548403] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000 <6>[ 1.554338] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit] <6>[ 1.565350] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400 <6>[ 1.571363] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold <6>[ 1.581374] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000 <6>[ 1.587340] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit] <6>[ 1.598322] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000 <6>[ 1.603338] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit] <6>[ 1.614316] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501 <6>[ 1.619331] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit] <6>[ 1.630394] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501 <6>[ 1.636337] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit] <6>[ 1.646401] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100 <6>[ 1.657384] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000 <6>[ 1.662326] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff] <6>[ 1.672371] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100 <6>[ 1.677337] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit] <6>[ 1.683351] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit] <6>[ 1.688392] pci 0000:00:1f.3: PME# supported from D3hot D3cold <6>[ 1.698355] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500 <6>[ 1.704365] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit] <6>[ 1.709373] pci 0000:00:1f.4: reg 0x20: [io 0xefa0-0xefbf] <6>[ 1.719350] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000 <6>[ 1.724326] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff] <6>[ 1.757295] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 <6>[ 1.784294] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit] <6>[ 1.909295] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold <6>[ 1.977330] pci 0000:00:1c.0: PCI bridge to [bus 01] <6>[ 1.981312] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] <6>[ 1.996395] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 2.005303] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15) <6>[ 2.012300] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 2.019296] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 2.027296] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 2.034295] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 2.042295] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 2.049301] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 2.099304] ACPI: EC: interrupt unblocked <6>[ 2.102294] ACPI: EC: event unblocked <6>[ 2.105295] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 <6>[ 2.109299] ACPI: EC: GPE=0x6e <6>[ 2.112299] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete <6>[ 2.117296] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events <6>[ 2.127305] iommu: Default domain type: Translated <6>[ 2.131319] pci 0000:00:02.0: vgaarb: setting as boot VGA device <6>[ 2.131880] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none <6>[ 2.132308] pci 0000:00:02.0: vgaarb: bridge control possible <6>[ 2.133295] vgaarb: loaded <5>[ 2.137394] SCSI subsystem initialized <6>[ 2.140320] ACPI: bus type USB registered <6>[ 2.141396] usbcore: registered new interface driver usbfs <6>[ 2.142342] usbcore: registered new interface driver hub <6>[ 2.143322] usbcore: registered new device driver usb <6>[ 2.144390] mc: Linux media interface: v0.10 <6>[ 2.145316] videodev: Linux video capture interface: v2.00 <6>[ 2.146319] pps_core: LinuxPPS API ver. 1 registered <6>[ 2.147292] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <6>[ 2.148301] PTP clock support registered <6>[ 2.152397] Advanced Linux Sound Architecture Driver Initialized. <6>[ 2.160298] NetLabel: Initializing <6>[ 2.161293] NetLabel: domain hash size = 128 <6>[ 2.162292] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO <6>[ 2.163356] NetLabel: unlabeled traffic allowed by default <6>[ 2.165381] PCI: Using ACPI for IRQ routing <6>[ 2.233345] clocksource: Switched to clocksource tsc-early <5>[ 2.548973] VFS: Disk quotas dquot_6.6.0 <6>[ 2.549383] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) <6>[ 2.550332] pnp: PnP ACPI init <6>[ 2.551247] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved <6>[ 2.551861] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved <6>[ 2.552468] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved <6>[ 2.553064] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved <6>[ 2.553668] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved <6>[ 2.554264] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved <6>[ 2.554897] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved <6>[ 2.555532] system 00:00: [mem 0xff000000-0xffffffff] has been reserved <6>[ 2.556127] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved <6>[ 2.556731] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved <6>[ 2.558032] system 00:01: [io 0x1800-0x18fe] has been reserved <6>[ 2.558862] system 00:03: [io 0x0900-0x09fe] has been reserved <6>[ 2.559595] system 00:04: [io 0x0200] has been reserved <6>[ 2.560082] system 00:04: [io 0x0204] has been reserved <6>[ 2.560580] system 00:04: [io 0x0800-0x087f] has been reserved <6>[ 2.561118] system 00:04: [io 0x0880-0x08ff] has been reserved <6>[ 2.563873] pnp: PnP ACPI: found 6 devices <6>[ 2.575803] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns <6>[ 2.576693] NET: Registered protocol family 2 <6>[ 2.577228] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) <6>[ 2.579199] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) <6>[ 2.580155] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) <6>[ 2.581023] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) <6>[ 2.583239] TCP: Hash tables configured (established 32768 bind 32768) <6>[ 2.584097] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) <6>[ 2.584999] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) <6>[ 2.585823] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) <6>[ 2.586783] NET: Registered protocol family 1 <6>[ 2.587740] RPC: Registered named UNIX socket transport module. <6>[ 2.588295] RPC: Registered udp transport module. <6>[ 2.588745] RPC: Registered tcp transport module. <6>[ 2.589179] RPC: Registered tcp NFSv4.1 backchannel transport module. <6>[ 2.590221] NET: Registered protocol family 44 <6>[ 2.590666] pci 0000:00:1c.0: PCI bridge to [bus 01] <6>[ 2.591130] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] <6>[ 2.591763] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] <6>[ 2.592318] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] <6>[ 2.592881] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] <6>[ 2.593552] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window] <6>[ 2.594167] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window] <6>[ 2.594790] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window] <6>[ 2.595415] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window] <6>[ 2.596038] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window] <6>[ 2.596667] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window] <6>[ 2.597289] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window] <6>[ 2.597918] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window] <6>[ 2.598550] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window] <6>[ 2.599173] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window] <6>[ 2.599834] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window] <6>[ 2.600466] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window] <6>[ 2.601089] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window] <6>[ 2.601718] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window] <6>[ 2.602341] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window] <6>[ 2.602984] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window] <6>[ 2.603617] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window] <6>[ 2.604240] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff] <6>[ 2.605155] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] <6>[ 2.607424] PCI: CLS 64 bytes, default 64 <6>[ 2.608104] Unpacking initramfs... <6>[ 2.922377] Freeing initrd memory: 10388K <6>[ 2.922835] DMAR: Host address width 39 <6>[ 2.923224] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 <6>[ 2.923805] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e <6>[ 2.924562] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff <6>[ 2.925125] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 <6>[ 2.925629] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da <6>[ 2.926420] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) <6>[ 2.926999] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB) <6>[ 2.927877] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer <6>[ 2.928598] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules <6>[ 2.929118] RAPL PMU: hw unit of domain package 2^-14 Joules <6>[ 2.929649] RAPL PMU: hw unit of domain dram 2^-14 Joules <6>[ 2.930140] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules <6>[ 2.930659] RAPL PMU: hw unit of domain psys 2^-14 Joules <3>[ 2.932501] kvm: already loaded the other module <6>[ 2.937138] check: Scanning for low memory corruption every 60 seconds <5>[ 2.940092] Initialise system trusted keyrings <6>[ 2.940716] workingset: timestamp_bits=56 max_order=20 bucket_order=0 <5>[ 2.955583] NFS: Registering the id_resolver key type <5>[ 2.956078] Key type id_resolver registered <5>[ 2.956508] Key type id_legacy registered <5>[ 2.972342] Key type asymmetric registered <5>[ 2.972764] Asymmetric key parser 'x509' registered <6>[ 2.973253] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 248) <6>[ 2.973939] io scheduler mq-deadline registered <6>[ 2.974360] io scheduler kyber registered <4>[ 2.974918] test_firmware: interface ready <6>[ 2.976470] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120 <6>[ 2.977978] ACPI: AC Adapter [AC] (on-line) <6>[ 2.978672] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0 <6>[ 2.980266] ACPI: Lid Switch [LID0] <6>[ 2.980805] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 <6>[ 2.981654] ACPI: Power Button [PWRF] <6>[ 2.982272] ACPI: \_PR_.CP00: Found 3 idle states <6>[ 2.983331] ACPI: \_PR_.CP01: Found 3 idle states <6>[ 2.984214] ACPI: \_PR_.CP02: Found 3 idle states <6>[ 2.985081] ACPI: \_PR_.CP03: Found 3 idle states <6>[ 2.986359] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled <4>[ 2.989085] hpet_acpi_add: no address or irqs in _CRS <6>[ 2.989802] Non-volatile memory driver v1.3 <6>[ 2.989966] battery: ACPI: Battery Slot [BAT0] (battery present) <6>[ 2.990309] Linux agpgart interface v0.103 <6>[ 2.991543] [drm] amdgpu kernel modesetting enabled. <6>[ 2.993954] i915 0000:00:02.0: vgaarb: deactivate vga console <6>[ 3.048104] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem <6>[ 3.049801] i915 0000:00:02.0: [drm] Finished loading DMC firmware i915/kbl_dmc_ver1_04.bin (v1.4) <6>[ 3.079166] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 <6>[ 3.082399] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 <6>[ 3.096548] loop: module loaded <6>[ 3.097494] lkdtm: No crash points registered, enable through debugfs <6>[ 3.117015] printk: console [ttyS0] disabled <6>[ 3.117779] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A <6>[ 3.961587] tsc: Refined TSC clocksource calibration: 1608.000 MHz <6>[ 3.963066] printk: console [ttyS0] enabled <6>[ 3.971821] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172daa3a18b, max_idle_ns: 440795212390 ns <6>[ 3.994981] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A <6>[ 6.741969] clocksource: Switched to clocksource tsc <6>[ 6.742077] fbcon: i915drmfb (fb0) is primary device <4>[ 6.743839] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO <6>[ 6.750848] e100: Intel(R) PRO/100 Network Driver <6>[ 6.750851] e100: Copyright(c) 1999-2006 Intel Corporation <6>[ 6.750903] e1000: Intel(R) PRO/1000 Network Driver <6>[ 6.750905] e1000: Copyright (c) 1999-2006 Intel Corporation. <6>[ 6.750971] e1000e: Intel(R) PRO/1000 Network Driver <6>[ 6.750973] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. <6>[ 6.751045] sky2: driver version 1.30 <6>[ 6.751308] usbcore: registered new interface driver r8152 <6>[ 6.751718] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver <6>[ 6.751740] ehci-pci: EHCI PCI platform driver <6>[ 6.751799] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver <6>[ 6.751814] ohci-pci: OHCI PCI platform driver <6>[ 6.751868] uhci_hcd: USB Universal Host Controller Interface driver <6>[ 6.752774] xhci_hcd 0000:00:14.0: xHCI Host Controller <6>[ 6.753691] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 <6>[ 6.754394] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2 <6>[ 6.755119] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 <6>[ 6.755169] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported <6>[ 6.757054] xhci_hcd 0000:00:14.0: xHCI Host Controller <6>[ 6.757540] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 <6>[ 6.757551] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed <6>[ 6.758363] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 <6>[ 6.758391] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 <6>[ 6.758396] usb usb1: Product: xHCI Host Controller <6>[ 6.758400] usb usb1: Manufacturer: Linux 5.10.181-cip34 xhci-hcd <6>[ 6.758428] usb usb1: SerialNumber: 0000:00:14.0 <6>[ 6.760008] hub 1-0:1.0: USB hub found <6>[ 6.760143] hub 1-0:1.0: 12 ports detected <6>[ 6.763039] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 <6>[ 6.763043] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 <6>[ 6.763046] usb usb2: Product: xHCI Host Controller <6>[ 6.763049] usb usb2: Manufacturer: Linux 5.10.181-cip34 xhci-hcd <6>[ 6.763052] usb usb2: SerialNumber: 0000:00:14.0 <6>[ 6.763750] hub 2-0:1.0: USB hub found <6>[ 6.763791] hub 2-0:1.0: 6 ports detected <6>[ 6.765183] usbcore: registered new interface driver usblp <6>[ 6.765243] usbcore: registered new interface driver usb-storage <6>[ 6.765702] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers <6>[ 6.765812] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 <4>[ 6.765814] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp <4>[ 6.766456] i8042: Warning: Keylock active <6>[ 6.766735] serio: i8042 KBD port at 0x60,0x64 irq 1 <6>[ 6.768574] rtc_cmos 00:02: RTC can wake from S4 <6>[ 6.770658] rtc_cmos 00:02: registered as rtc0 <6>[ 6.770847] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram <6>[ 6.771374] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 <6>[ 6.773005] i801_smbus 0000:00:1f.4: SPD Write Disable is set <6>[ 6.773045] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt <6>[ 6.773860] i2c i2c-9: 2/2 memory slots populated (from DMI) <6>[ 6.775576] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com <6>[ 6.775615] intel_pstate: Intel P-state driver initializing <6>[ 6.776526] intel_pstate: HWP enabled <6>[ 6.776564] sdhci: Secure Digital Host Controller Interface driver <6>[ 6.776565] sdhci: Copyright(c) Pierre Ossman <6>[ 6.776593] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21) <6>[ 6.777060] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0) <6>[ 6.777756] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit <6>[ 6.778032] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.779976] hid: raw HID events driver (C) Jiri Kosina <6>[ 6.780303] Console: switching to colour frame buffer device 240x67 <6>[ 6.780830] usbcore: registered new interface driver usbhid <6>[ 6.780831] usbhid: USB HID core driver <6>[ 6.781285] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3 <6>[ 6.785813] cros_ec_lpcs GOOG0004:00: Chrome EC device registered <6>[ 6.786381] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100 <6>[ 6.787218] ipip: IPv4 and MPLS over IPv4 tunneling driver <6>[ 6.787523] IPv4 over IPsec tunneling driver <6>[ 6.787792] Initializing XFRM netlink socket <6>[ 6.788287] NET: Registered protocol family 10 <6>[ 6.789052] Segment Routing with IPv6 <6>[ 6.789754] NET: Registered protocol family 17 <5>[ 6.789856] Key type dns_resolver registered <6>[ 6.790307] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) <6>[ 6.800881] microcode: sig=0x806e9, pf=0x10, revision=0x98 <6>[ 6.806567] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device <3>[ 6.818592] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up <6>[ 6.820039] microcode: Microcode Update Driver: v2.2. <6>[ 6.890143] tpm_tis_spi spi-PRP0001:00: Cr50 firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2 <6>[ 6.895265] IPI shorthand broadcast: enabled <6>[ 6.975661] mmc0: new HS400 MMC card at address 0001 <6>[ 6.976673] sched_clock: Marking stable (6886218411, 90403069)->(5317396496, 1659224984) <6>[ 6.983099] mmcblk0: mmc0:0001 DA4064 58.2 GiB <6>[ 6.995249] registered taskstats version 1 <6>[ 6.999672] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB <5>[ 7.004438] Loading compiled-in X.509 certificates <6>[ 7.014057] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB <6>[ 7.024055] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 7.028241] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (245:0) <6>[ 7.036777] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 7.055998] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 <6>[ 7.066412] PM: Magic number: 7:906:35 <6>[ 7.077661] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 7.081768] bdi 7:0: hash matches <6>[ 7.460075] usb 1-3: new full-speed USB device number 2 using xhci_hcd <6>[ 7.467828] printk: console [netcon0] enabled <6>[ 7.473058] netconsole: network logging started <6>[ 7.607305] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 <6>[ 7.616824] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 <6>[ 7.629775] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 7.719763] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd <6>[ 7.741026] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 <6>[ 7.750484] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6 <6>[ 7.758765] usb 2-3: Product: USB 10/100/1000 LAN <6>[ 7.764326] usb 2-3: Manufacturer: Realtek <6>[ 7.769208] usb 2-3: SerialNumber: 001000001 <6>[ 7.776911] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 7.854667] usb 1-9: new high-speed USB device number 3 using xhci_hcd <6>[ 8.024493] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07 <6>[ 8.033971] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2 <6>[ 8.042260] usb 1-9: Product: USB2.0 HD UVC WebCam <6>[ 8.047928] usb 1-9: Manufacturer: Azurewave <6>[ 8.053016] usb 1-9: SerialNumber: 0x0001 <6>[ 8.065322] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 8.110585] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd <6>[ 8.155790] r8152 2-3:1.0: load rtl8153b-2 v2 04/27/23 successfully <6>[ 8.191838] r8152 2-3:1.0 eth0: v1.11.11 <6>[ 8.196939] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 9.847543] r8152 2-3:1.0 eth0: carrier on <6>[ 9.848542] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready <5>[ 9.860464] Sending DHCP requests .., OK <6>[ 12.753324] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.12 <6>[ 12.762592] IP-Config: Complete: <6>[ 12.766512] device=eth0, hwaddr=00:e0:4c:78:7f:da, ipaddr=192.168.201.12, mask=255.255.255.0, gw=192.168.201.1 <6>[ 12.778487] host=asus-c433ta-aj0005-rammus-cbg-3, domain=lava-rack, nis-domain=(none) <6>[ 12.788030] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= <6>[ 12.788034] nameserver0=192.168.201.1 <5>[ 12.801501] cfg80211: Loading compiled-in X.509 certificates for regulatory database <6>[ 12.813348] modprobe (102) used greatest stack depth: 14208 bytes left <5>[ 12.816305] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' <4>[ 12.828806] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 <6>[ 12.829538] ALSA device list: <6>[ 12.838801] cfg80211: failed to load regulatory.db <6>[ 12.842378] No soundcards found. <4>[ 12.852491] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console <6>[ 12.862229] Freeing unused kernel image (initmem) memory: 2148K <6>[ 12.877729] Write protecting the kernel read-only data: 34816k <6>[ 12.885427] Freeing unused kernel image (text/rodata gap) memory: 2028K <6>[ 12.893416] Freeing unused kernel image (rodata/data gap) memory: 860K <6>[ 12.901079] Run /init as init process <6>[ 12.906593] mkdir (106) used greatest stack depth: 13944 bytes left Loading, please wait... Starting version 247.3-7+deb11u2 <6>[ 12.925223] systemd-udevd (124) used greatest stack depth: 13816 bytes left <6>[ 12.972878] udevadm (126) used greatest stack depth: 13592 bytes left <6>[ 13.094447] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 13.105508] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 13.114308] chromeos ramoops using acpi device. <4>[ 13.114393] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. <6>[ 13.120702] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 13.144385] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <4>[ 13.154587] i2c_hid i2c-PNP0C50:00: supply vdd not found, using dummy regulator <4>[ 13.163598] i2c_hid i2c-PNP0C50:00: supply vddl not found, using dummy regulator <6>[ 13.175279] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 13.202923] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 13.208733] Registered efivars operations <6>[ 13.216250] gsmi version 1.0 loaded <6>[ 13.336344] input: PNP0C50:00 0457:157E Touchscreen as /devices/pci0000:00/0000:00:15.0/i2c_designware.0/i2c-6/i2c-PNP0C50:00/0018:0457:157E.0001/input/input4 <6>[ 13.354671] hid-generic 0018:0457:157E.0001: input,hidraw0: I2C HID v1.00 Device [PNP0C50:00 0457:157E] on i2c-PNP0C50:00 <6>[ 13.367623] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 13.379804] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 13.395881] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 13.410615] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 13.421745] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 13.433220] uvcvideo: Found UVC 1.00 device USB2.0 HD UVC WebCam (13d3:56d4) <4>[ 13.440818] da7219 i2c-DLGS7219:00: Using default DAI clk names: da7219-dai-wclk, da7219-dai-bclk <6>[ 13.451834] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 13.461957] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 13.474639] input: USB2.0 HD UVC WebCam: USB2.0 HD as /devices/pci0000:00/0000:00:14.0/usb1/1-9/1-9:1.0/input/input6 <6>[ 13.487157] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 13.487971] usbcore: registered new interface driver uvcvideo <6>[ 13.502512] USB Video Class driver (1.1.1) <6>[ 13.513224] udevadm (139) used greatest stack depth: 13400 bytes left Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available Device /sys/class/net/eth0 found done. IP-Config: eth0 hardware address 00:e0:4c:78:7f:da mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.12 broadcast: 192.168.201.255 netmask: 255.255.255.0 gateway: 192.168.201.1 dns0 : 192.168.201.1 dns1 : 0.0.0.0 host : asus-c433ta-aj0005-rammus-cbg-3 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : <6>[ 13.619353] nfsmount (171) used greatest stack depth: 12688 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 <30>[ 14.880289] systemd[1]: systemd 247.3-7+deb11u2 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) <30>[ 14.918699] systemd[1]: Detected architecture x86-64. Welcome to Debian GNU/Linux 11 (bullseye)! <30>[ 14.949673] systemd[1]: Set hostname to . <30>[ 15.706735] systemd[1]: Queued start job for default target Graphical Interface. <30>[ 15.718890] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. <30>[ 15.735020] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. <30>[ 15.751024] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. <30>[ 15.768044] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. <30>[ 15.785019] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. <30>[ 15.806892] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. <30>[ 15.826581] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [ OK ] Set up automount Arbitrary…s File System Automount Point. <30>[ 15.849798] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. <30>[ 15.866800] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. <30>[ 15.880760] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. <30>[ 15.896743] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. <30>[ 15.910754] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. <30>[ 15.921996] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. <30>[ 15.939704] systemd[1]: Listening on Journal Audit Socket. [ OK ] Listening on Journal Audit Socket. <30>[ 15.956738] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). <30>[ 15.973062] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. <30>[ 15.988949] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. <30>[ 16.008625] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. <30>[ 16.025003] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. <30>[ 16.042378] systemd[1]: Mounting Huge Pages File System... Mounting Huge Pages File System... <30>[ 16.059175] systemd[1]: Mounting POSIX Message Queue File System... Mounting POSIX Message Queue File System... <30>[ 16.076931] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... <30>[ 16.094033] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... <30>[ 16.111762] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... <30>[ 16.132045] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... <30>[ 16.149897] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... <30>[ 16.165148] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... <30>[ 16.205963] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. <6>[ 16.216629] fuse: init (API version 7.32) <30>[ 16.222851] systemd[1]: Starting Journal Service... Starting Journal Service... <30>[ 16.240176] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... <30>[ 16.254224] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... <30>[ 16.273416] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... <30>[ 16.290503] systemd[1]: Mounted Huge Pages File System. [ OK ] Mounted Huge Pages File System. <30>[ 16.305823] systemd[1]: Mounted POSIX Message Queue File System. [ OK ] Mounted POSIX Message Queue File System. <30>[ 16.322699] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. <30>[ 16.339718] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. <30>[ 16.356743] systemd[1]: Finished Create list of static device nodes for the current kernel. [ OK ] Finished Create list of st… nodes for the current kernel. <30>[ 16.379450] systemd[1]: modprobe@configfs.service: Succeeded. <30>[ 16.386836] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. <30>[ 16.403383] systemd[1]: modprobe@drm.service: Succeeded. <30>[ 16.410370] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. <30>[ 16.426392] systemd[1]: modprobe@fuse.service: Succeeded. <30>[ 16.433494] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. <30>[ 16.451427] systemd[1]: Finished Load Kernel Modules. [ OK ] Finished Load Kernel Modules. <30>[ 16.466203] systemd[1]: Finished Remount Root and Kernel File Systems. [ OK ] Finished Remount Root and Kernel File Systems. <30>[ 16.484998] systemd[1]: Started Journal Service. [ OK ] Started Journal Service. Mounting FUSE Control File System... Mounting Kernel Configuration File System... Starting Flush Journal to Persistent Storage... Starting Load/Save Random Seed... Starting Apply Kernel Variables... Starting Create System Users... [ OK ] Mounted FUSE Control File System[0<46>[ 16.568808] systemd-journald[207]: Received client request to flush runtime journal. m. [ OK ] Mounted Kernel Configuration File System. [ OK ] Finished Load/Save Random Seed. [ OK ] Finished Apply Kernel Variables. [ OK ] Finished Coldplug All udev Devices. [ OK ] Finished Create System Users. Starting Create Static Device Nodes in /dev... [ OK ] Finished Flush Journal to Persistent Storage. <6>[ 18.111089] systemd-tmpfile (218) used greatest stack depth: 12528 bytes left [ OK ] Finished Create Static Device Nodes in /dev. [ OK ] Reached target Local File Systems (Pre). [ OK ] Reached target Local File Systems. Starting Create Volatile Files and Directories... Starting Rule-based Manage…for Device Events and Files... [ OK ] Started Rule-based Manager for Device Events and Files. Starting Network Service... [ OK ] Finished Create Volatile Files and Directories. Starting Network Time Synchronization... Starting Update UTMP about System Boot/Shutdown... [ OK ] Finished Update UTMP about System Boot/Shutdown. [ OK ] Found device Sunrise Point-LP Serial IO UART Controller. [ OK ] Created slice system-systemd\x2dbacklight.slice. [ OK ] Listening on Load/Save RF …itch Status /dev/rfkill Watch. Starting Load/Save Screen …f backlight:intel_backlight... Starting Load/Save Screen …eds:chromeos::kbd_backlight... [ OK ] Finished Load/Save Screen … of backlight:intel_backlight. [ OK ] Started Network Time Synchronization. [ OK ] Started Network Service. [ OK ] Finished Load/Save Screen … leds:chromeos::kbd_backlight. [ OK ] Reached target System Initialization. [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Reached target System Time Set. [ OK ] Reached target System Time Synchronized. [ OK ] Started Daily apt download activities. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Started Periodic ext4 Onli…ata Check for All Filesystems. [ OK ] Started Discard unused blocks once a week. [ OK ] Reached target Timers. [ OK ] Listening on D-Bus System Message Bus Socket. [ OK ] Reached target Sockets. [ OK ] Reached target Basic System. [ OK ] Started D-Bus System Message Bus. Starting Remove Stale Onli…t4 Metadata Check Snapshots... Starting User Login Management... Starting Network Name Resolution... [ OK ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots. [ OK ] Started User Login Management. [ OK ] Started Network Name Resolution. [ OK ] Reached target Network. [ OK ] Reached target Host and Network Name Lookups. Starting Permit User Sessions... [ OK ] Finished Permit User Sessions. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Finished Update UTMP about System Runlevel Changes. Debian GNU/Linux 11 debian-bullseye-amd64 ttyS0 debian-bullseye-amd64 login: root (automatic login) Linux debian-bullseye-amd64 5.10.181-cip34 #1 SMP Tue May 30 15:47:57 UTC 2023 x86_64 The programs included with the Debian GNU/Linux system are free software; the exact distribution terms for each program are described in the individual files in /usr/share/doc/*/copyright. Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent permitted by applicable law. / # / # export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/10527071/extract-nfsrootfs-91ay7doq' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/10527071/extract-nfsrootfs-91ay7doq' / # 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-10527071/environment . /lava-10527071/environment / # /lava-10527071/bin/lava-test-runner /lava-10527071/0 /lava-10527071/bin/lava-test-runner /lava-10527071/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-10527071/0/tests/0_timesync-off ++ cat uuid + UUID=10527071_1.5.2.3.1 + set +x + systemctl stop systemd-timesyncd + set +x + export TESTRUN_ID=1_kselftest-lkdtm + TESTRUN_ID=1_kselftest-lkdtm + cd /lava-10527071/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=10527071_1.5.2.3.5 + set +x + cd ./automated/linux/kselftest/ + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s True -u http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.180-cip34-213-g6582dd41d2c22/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz -L '' -S /dev/null -b asus-C433TA-AJ0005-rammus -g cip-gitlab -e '' -p /opt/kselftests/mainline/ -n 1 -i 1 INFO: install_deps skipped --2023-05-30 16:01:51-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.180-cip34-213-g6582dd41d2c22/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: 3595136 (3.4M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 50.15K 171KB/s kselftest.tar.xz 6%[> ] 217.50K 368KB/s kselftest.tar.xz 19%[==> ] 667.17K 689KB/s kselftest.tar.xz 41%[=======> ] 1.43M 1.08MB/s kselftest.tar.xz 81%[===============> ] 2.81M 1.83MB/s kselftest.tar.xz 97%[==================> ] 3.35M 1.93MB/s kselftest.tar.xz 100%[===================>] 3.43M 1.93MB/s in 1.8s 2023-05-30 16:01:53 (1.93 MB/s) - 'kselftest.tar.xz' saved [3595136/3595136] skiplist: ======================================== ======================================== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ============== Tests to run =============== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ===========End Tests to run =============== <12>[ 34.284674] 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 <6>[ 34.758284] lkdtm: Performing direct entry BUG <4>[ 34.763790] ------------[ cut here ]------------ <2>[ 34.769301] kernel BUG at drivers/misc/lkdtm/bugs.c:76! <4>[ 34.775516] invalid opcode: 0000 [#1] SMP PTI <4>[ 34.780689] CPU: 3 PID: 637 Comm: cat Tainted: G W 5.10.181-cip34 #1 <4>[ 34.789545] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 34.796645] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 34.801319] Code: 89 ff e8 4e e7 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 57 e9 02 <4>[ 34.822589] RSP: 0018:ffffac21c131fe60 EFLAGS: 00010286 <4>[ 34.828714] RAX: ffffffffa0379430 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 34.836974] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffffffffa137e830 <4>[ 34.845234] RBP: ffffffffa185db78 R08: 0000000000000001 R09: 0000000000000001 <4>[ 34.853493] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 34.861753] R13: ffffac21c131ff10 R14: ffffac21c131ff10 R15: ffff9efcc43c9000 <4>[ 34.870013] FS: 00007f2f4b62c580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000 <4>[ 34.879334] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 34.886041] CR2: 00007f2f4b436000 CR3: 0000000103cae006 CR4: 00000000003706e0 <4>[ 34.894300] Call Trace: <4>[ 34.897319] ? __die_body.cold+0x1a/0x1f <4>[ 34.901994] ? die+0x2b/0x50 <4>[ 34.905498] ? do_trap+0x91/0x110 <4>[ 34.909494] ? lkdtm_BUG+0x5/0x10 <4>[ 34.913491] ? do_error_trap+0x90/0x110 <4>[ 34.918062] ? lkdtm_BUG+0x5/0x10 <4>[ 34.922040] ? lkdtm_BUG+0x5/0x10 <4>[ 34.926030] ? exc_invalid_op+0x4e/0x70 <4>[ 34.930600] ? lkdtm_BUG+0x5/0x10 <4>[ 34.934589] ? asm_exc_invalid_op+0x12/0x20 <4>[ 34.939549] ? direct_entry+0xe0/0xe0 <4>[ 34.943926] ? lkdtm_BUG+0x5/0x10 <4>[ 34.947916] direct_entry.cold+0x2c/0x38 <4>[ 34.952587] full_proxy_write+0x53/0x80 <4>[ 34.957160] vfs_write+0xe7/0x3b0 <4>[ 34.961148] ksys_write+0x68/0xf0 <4>[ 34.965128] do_syscall_64+0x30/0x40 <4>[ 34.969399] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 34.975329] RIP: 0033:0x7f2f4b542473 <4>[ 34.979609] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 35.000879] RSP: 002b:00007ffdae77f8a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 35.009625] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f2f4b542473 <4>[ 35.017877] RDX: 0000000000000004 RSI: 00007f2f4b436000 RDI: 0000000000000001 <4>[ 35.026137] RBP: 00007f2f4b436000 R08: 00007f2f4b435010 R09: 0000000000000000 <4>[ 35.034397] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 35.042661] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 35.050935] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <0>[ 35.105625] gsmi: Log Shutdown Reason 0x03 <4>[ 35.110529] ---[ end trace ffd54ce207130e76 ]--- <4>[ 35.116003] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 35.120677] Code: 89 ff e8 4e e7 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 57 e9 02 <4>[ 35.141956] RSP: 0018:ffffac21c131fe60 EFLAGS: 00010286 <4>[ 35.148090] RAX: ffffffffa0379430 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 35.156350] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffffffffa137e830 <4>[ 35.164642] RBP: ffffffffa185db78 R08: 0000000000000001 R09: 0000000000000001 <4>[ 35.172904] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 35.181167] R13: ffffac21c131ff10 R14: ffffac21c131ff10 R15: ffff9efcc43c9000 <4>[ 35.189444] FS: 00007f2f4b62c580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000 <4>[ 35.198782] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 35.205520] CR2: 00007f2f4b436000 CR3: 0000000103cae006 CR4: 00000000003706e0 # Segmentation fault # [ 34.758284] lkdtm: Performing direct entry BUG # [ 34.763790] ------------[ cut here ]------------ # [ 34.769301] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 34.775516] invalid opcode: 0000 [#1] SMP PTI # [ 34.780689] CPU: 3 PID: 637 Comm: cat Tainted: G W 5.10.181-cip34 #1 # [ 34.789545] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 34.796645] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 34.801319] Code: 89 ff e8 4e e7 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 57 e9 02 # [ 34.822589] RSP: 0018:ffffac21c131fe60 EFLAGS: 00010286 <6>[ 35.295267] lkdtm: Performing direct entry WARNING <4>[ 35.302700] ------------[ cut here ]------------ <4>[ 35.308161] WARNING: CPU: 3 PID: 675 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 <4>[ 35.317889] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 34.828714] RAX: ffffffffa0379430 RBX: 0000000000000001 RCX<4>[ 35.370667] CPU: 3 PID: 675 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 35.385725] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 : 0000000000000000 # [ 34.836974] RDX: 0000000000000000 RSI: <4>[ 35.392852] RIP: 0010:lkdtm_WARNING+0x13/0x20 <4>[ 35.404214] Code: c0 f4 ff ff ff eb c9 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 57 e9 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 41 57 <4>[ 35.425522] RSP: 0018:ffffac21c13d7e60 EFLAGS: 00010202 ffff9efd3ad9bf70 RDI: ffffffffa137e830 # [ 34.845234] RBP: ff<4>[ 35.431665] RAX: ffffffffa0379440 RBX: 0000000000000002 RCX: 0000000000000000 <4>[ 35.446132] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffffffffa137e840 <4>[ 35.454395] RBP: ffffffffa17f9477 R08: 0000000000000000 R09: 0000000000000000 <4>[ 35.462658] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 <4>[ 35.470922] R13: ffffac21c13d7f10 R14: ffffac21c13d7f10 R15: ffff9efcc595a000 <4>[ 35.479187] FS: 00007fab69c89580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000 <4>[ 35.488519] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 35.495229] CR2: 00007fab69a93000 CR3: 0000000103cc4004 CR4: 00000000003706e0 <4>[ 35.503493] Call Trace: <4>[ 35.506532] ? __warn+0x80/0x110 ffffffa185db78 R08: 0000000000000001 R09: 0000000000000001 # [ <4>[ 35.510438] ? lkdtm_WARNING+0x13/0x20 <4>[ 35.521123] ? report_bug+0x9e/0xc0 <4>[ 35.525310] ? handle_bug+0x41/0x90 <4>[ 35.529498] ? exc_invalid_op+0x14/0x70 <4>[ 35.534074] ? asm_exc_invalid_op+0x12/0x20 <4>[ 35.539040] ? lkdtm_BUG+0x10/0x10 <4>[ 35.543153] ? lkdtm_WARNING+0x13/0x20 <4>[ 35.547655] direct_entry.cold+0x2c/0x38 <4>[ 35.552352] full_proxy_write+0x53/0x80 <4>[ 35.556953] vfs_write+0xe7/0x3b0 <4>[ 35.560975] ksys_write+0x68/0xf0 <4>[ 35.564967] do_syscall_64+0x30/0x40 <4>[ 35.569250] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 35.575184] RIP: 0033:0x7fab69b9f473 <4>[ 35.579479] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 35.600789] RSP: 002b:00007fffc0652598 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 35.609538] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007fab69b9f473 <4>[ 35.617801] RDX: 0000000000000008 RSI: 00007fab69a93000 RDI: 0000000000000001 <4>[ 35.626065] RBP: 00007fab69a93000 R08: 00007fab69a92010 R09: 0000000000000000 <4>[ 35.634330] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 35.642594] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 34.853493] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00<4>[ 35.650863] irq event stamp: 0 00000000000004 # [ 34.861753] R13: ffffac21c131ff10 R14: ffff<4>[ 35.660774] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 35.674282] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 35.683708] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 35.693134] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 35.700443] ---[ end trace ffd54ce207130e77 ]--- ac21c131ff10 R15: ffff9efcc43c9000 # [ 34.870013] FS: 00007f2f4b62c580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000 # [ 34.879334] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 34.886041] CR2: 00007f2f4b436000 CR3: 0000000103cae006 CR4: 00000000003706e0 # [ 34.894300] Call Trace: # [ 34.897319] ? __die_body.cold+0x1a/0x1f # [ 34.901994] ? die+0x2b/0x50 # [ 34.905498] ? do_trap+0x91/0x110 # [ 34.909494] ? lkdtm_BUG+0x5/0x10 # [ 34.913491] ? do_error_trap+0x90/0x110 # [ 34.918062] ? lkdtm_BUG+0x5/0x10 # [ 34.922040] ? lkdtm_BUG+0x5/0x10 # [ 34.926030] ? exc_invalid_op+0x4e/0x70 # [ 34.930600] ? lkdtm_BUG+0x5/0x10 # [ 34.934589] ? asm_exc_invalid_op+0x12/0x20 # [ 34.939549] ? direct_entr<6>[ 35.780300] lkdtm: Performing direct entry WARNING_MESSAGE y+0xe0/0xe0 # [ 34.943926] ? lkdtm_BUG+0x5/0x10 # [ 34.94<4>[ 35.786947] ------------[ cut here ]------------ 7916] direct_entry.cold+0x2c/0x38 # [ 34.952587] full_proxy<4>[ 35.798641] Warning message trigger count: 2 _write+0x53/0x80 # [ 34.957160] vfs_write+0xe7/0x3b0 # [ <4>[ 35.809945] WARNING: CPU: 0 PID: 710 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 34.961148] ksys_write+0x68/0xf0 # [ 34.965128] do_syscall_6<4>[ 35.826661] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table 4+0x30/0x40 # [ 34.969399] entry_SYSCALL_64_after_hwframe+0x<4>[ 35.885612] CPU: 0 PID: 710 Comm: cat Tainted: G D W 5.10.181-cip34 #1 61/0xc6 # [ 34.975329] RIP: 0033:0x7f2f4b542473 # [ 34.979<4>[ 35.900665] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 609] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff<4>[ 35.913989] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 <4>[ 35.926132] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 41 57 e9 02 48 c7 c7 d8 99 7f a1 8d 70 01 89 35 31 57 e9 02 e8 57 d2 64 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48<4>[ 35.953633] RSP: 0018:ffffac21c142fe60 EFLAGS: 00010286 89 54 24 18 # [ 35.000879] RSP: 002b:00007ffdae77f8a8 EFLAGS<4>[ 35.965982] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 : 00000246 ORIG_RAX: 0000000000000001 # [ 35.009625] RAX: fff<4>[ 35.980538] RDX: ffff9efd3ac2c660 RSI: ffff9efd3ac1bf70 RDI: ffff9efd3ac1bf70 fffffffffffda RBX: 0000000000000004 RCX: 00007f2f4b542473 # [ <4>[ 35.994954] RBP: ffffffffa17f947f R08: 0000000000000000 R09: 0000000000000000 35.017877] RDX: 0000000000000004 RSI: 00007f2f4b436000 RDI: 000<4>[ 36.009528] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 0000000000001 # [ 35.026137] RBP: 00007f2f4b436000 R08: 00007<4>[ 36.023961] R13: ffffac21c142ff10 R14: ffffac21c142ff10 R15: ffff9efcc47e7000 f2f4b435010 R09: 0000000000000000 # [ 35.034397] R10: fffffff<4>[ 36.038467] FS: 00007f2dca55a580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000 ffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 35.<4>[ 36.053973] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 042661] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000<4>[ 36.066906] CR2: 00007f2dca364000 CR3: 0000000103cb6006 CR4: 00000000003706f0 000020000 # [ 35.050935] Modules linked in: fuse ip_tables cr<4>[ 36.081382] Call Trace: os_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industriali<4>[ 36.090651] ? __warn+0x80/0x110 o_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvide<4>[ 36.100735] ? lkdtm_WARNING_MESSAGE+0x20/0x30 o videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightb<4>[ 36.112216] ? report_bug+0x9e/0xc0 ar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_<4>[ 36.122608] ? handle_bug+0x41/0x90 core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v<4>[ 36.133057] ? exc_invalid_op+0x14/0x70 4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine vide<4>[ 36.143805] ? asm_exc_invalid_op+0x12/0x20 obuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstor<4>[ 36.155012] ? lkdtm_WARNING_MESSAGE+0x20/0x30 e cros_kbd_led_backlight coreboot_table # [ 35.105625] gsmi: <4>[ 36.166486] direct_entry.cold+0x2c/0x38 Log Shutdown Reason 0x03 # [ 35.110529] ---[ end trace ffd54c<4>[ 36.177396] full_proxy_write+0x53/0x80 e207130e76 ]--- # [ 35.116003] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 36.188148] vfs_write+0xe7/0x3b0 # [ 35.120677] Code: 89 ff e8 4e e7 79 ff 48 c7 c0 ea ff ff ff<4>[ 36.198381] ksys_write+0x68/0xf0 eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff <4>[ 36.208568] do_syscall_64+0x30/0x40 eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44<4>[ 36.219086] entry_SYSCALL_64_after_hwframe+0x61/0xc6 00 00 83 05 60 57 e9 02 # [ 35.141956] RSP: 0018:ffffac21c13<4>[ 36.231218] RIP: 0033:0x7f2dca470473 1fe60 EFLAGS: 00010286 # [ 35.148090] RAX: ffffffffa0379430 R<4>[ 36.241738] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 BX: 0000000000000001 RCX: 0000000000000000 # [ 35.156350] RDX<4>[ 36.269213] RSP: 002b:00007ffc5a6e0968 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 : 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffffffffa137e830 <4>[ 36.284168] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f2dca470473 # [ 35.164642] RBP: ffffffffa185db78 R08: 0000000000000001 R09<4>[ 36.298664] RDX: 0000000000000010 RSI: 00007f2dca364000 RDI: 0000000000000001 : 0000000000000001 # [ 35.172904] R10: 00000000ffffe000 R11: <4>[ 36.313155] RBP: 00007f2dca364000 R08: 00007f2dca363010 R09: 0000000000000000 3fffffffffffffff R12: 0000000000000004 # [ 35.181167] R13: ff<4>[ 36.327641] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 ffac21c131ff10 R14: ffffac21c131ff10 R15: ffff9efcc43c9000 # [ <4>[ 36.342144] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 35.189444] FS: 00007f2f4b62c580(0000) GS:ffff9efd3ad80000(000<4>[ 36.356639] irq event stamp: 0 0) knlGS:0000000000000000 # [ 35.198782] CS: 0010 DS: 0000 E<4>[ 36.366572] hardirqs last enabled at (0): [<0000000000000000>] 0x0 S: 0000 CR0: 0000000080050033 # [ 35.205520] CR2: 00007f2f4b4<4>[ 36.380085] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 36000 CR3: 0000000103cae006 CR4: 00000000003706e0 # BUG: saw 'k<4>[ 36.395756] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 ernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: l<4>[ 36.411392] softirqs last disabled at (0): [<0000000000000000>] 0x0 kdtm: WARNING.sh # [ 35.295267] lkdtm: Performing direct entr<4>[ 36.424916] ---[ end trace ffd54ce207130e78 ]--- y WARNING # [ 35.302700] ------------[ cut here ]------------ # [ 35.308161] WARNING: CPU: 3 PID: 675 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 # [ 35.317889] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 35.370667] CPU: 3 PID: 675 Comm: cat Tainted: G D <6>[ 36.510373] lkdtm: Performing direct entry EXCEPTION W 5.10.181-cip34 #1 # [ 35.385725] Hardware name: Goo<1>[ 36.517010] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 36.531271] #PF: supervisor write access in kernel mode <1>[ 36.537396] #PF: error_code(0x0002) - not-present page <6>[ 36.543438] PGD 0 P4D 0 <4>[ 36.546555] Oops: 0002 [#2] SMP PTI <4>[ 36.550738] CPU: 0 PID: 742 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 36.559582] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 36.566683] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 <4>[ 36.571940] Code: 48 c7 c7 d8 99 7f a1 8d 70 01 89 35 31 57 e9 02 e8 57 d2 64 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 <4>[ 36.593215] RSP: 0018:ffffac21c14efe60 EFLAGS: 00010286 <4>[ 36.599340] RAX: ffffffffa0379490 RBX: 0000000000000004 RCX: 0000000000000000 <4>[ 36.607602] RDX: 0000000000000000 RSI: ffff9efd3ac1bf70 RDI: ffffffffa137e860 <4>[ 36.615869] RBP: ffffffffa16ed9df R08: 0000000000000000 R09: 0000000000000000 <4>[ 36.624129] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 36.632391] R13: ffffac21c14eff10 R14: ffffac21c14eff10 R15: ffff9efcc5f13000 <4>[ 36.640653] FS: 00007f7caffdb580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000 <4>[ 36.649983] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 36.656692] CR2: 0000000000000000 CR3: 0000000103cb6005 CR4: 00000000003706f0 <4>[ 36.664952] Call Trace: <4>[ 36.667972] ? __die_body.cold+0x1a/0x1f <4>[ 36.672648] ? no_context+0x177/0x380 <4>[ 36.677035] ? exc_page_fault+0x53/0x170 <4>[ 36.681711] ? asm_exc_page_fault+0x1e/0x30 <4>[ 36.686672] ? lkdtm_WARNING_MESSAGE+0x30/0x30 <4>[ 36.691924] ? lkdtm_EXCEPTION+0x5/0x20 <4>[ 36.696496] direct_entry.cold+0x2c/0x38 <4>[ 36.701168] full_proxy_write+0x53/0x80 <4>[ 36.705747] vfs_write+0xe7/0x3b0 <4>[ 36.709735] ksys_write+0x68/0xf0 <4>[ 36.713716] do_syscall_64+0x30/0x40 <4>[ 36.717987] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 36.723939] RIP: 0033:0x7f7cafef1473 <4>[ 36.728218] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 36.749495] RSP: 002b:00007ffeb5ae7dd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 36.758232] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f7cafef1473 <4>[ 36.766493] RDX: 000000000000000a RSI: 00007f7cafde5000 RDI: 0000000000000001 <4>[ 36.774756] RBP: 00007f7cafde5000 R08: 00007f7cafde4010 R09: 0000000000000000 <4>[ 36.783016] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 36.791278] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 36.799543] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 36.852313] CR2: 0000000000000000 <4>[ 36.856301] ---[ end trace ffd54ce207130e79 ]--- <4>[ 36.861739] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 36.866407] Code: 89 ff e8 4e e7 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 57 e9 02 <4>[ 36.887679] RSP: 0018:ffffac21c131fe60 EFLAGS: 00010286 <4>[ 36.893803] RAX: ffffffffa0379430 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 36.902062] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffffffffa137e830 <4>[ 36.910320] RBP: ffffffffa185db78 R08: 0000000000000001 R09: 0000000000000001 <4>[ 36.918580] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 36.926840] R13: ffffac21c131ff10 R14: ffffac21c131ff10 R15: ffff9efcc43c9000 <4>[ 36.935092] FS: 00007f7caffdb580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000 <4>[ 36.944410] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 36.951115] CR2: 0000000000000000 CR3: 0000000103cb6005 CR4: 00000000003706f0 <3>[ 36.959375] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 36.969577] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 742, name: cat <4>[ 36.978225] INFO: lockdep is turned off. <4>[ 36.982891] irq event stamp: 0 <4>[ 36.986588] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 36.993869] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 37.003294] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 37.012720] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 37.020010] CPU: 0 PID: 742 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 37.028853] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 37.035948] Call Trace: <4>[ 37.038958] dump_stack+0x77/0x9b <4>[ 37.042948] ___might_sleep.cold+0xa6/0xb6 <4>[ 37.047812] exit_signals+0x1c/0x300 <4>[ 37.052098] do_exit+0xc2/0xab0 <4>[ 37.055893] ? ksys_write+0x68/0xf0 <4>[ 37.060076] make_task_dead+0x2f/0x30 <4>[ 37.064453] rewind_stack_and_make_dead+0x17/0x20 <4>[ 37.069994] RIP: 0033:0x7f7cafef1473 <4>[ 37.074272] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 37.095542] RSP: 002b:00007ffeb5ae7dd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 37.104288] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f7cafef1473 <4>[ 37.112548] RDX: 000000000000000a RSI: 00007f7cafde5000 RDI: 0000000000000001 <4>[ 37.120806] RBP: 00007f7cafde5000 R08: 00007f7cafde4010 R09: 0000000000000000 <4>[ 37.129065] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 37.137326] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 gle Rammus/Rammus, BIOS 09/04/2020 # [ 35.392852] RIP: 0010:lkdtm_WARNING+0x13/0x20 # [ 35.404214] Code: c0 f4 ff ff ff eb c9 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 57 e9 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 41 57 # [ 35.425522] RSP: 0018:ffffac21c13d7e60 EFLAGS: 00010202 # [ 35.431665] RAX: ffffffffa0379440 RBX: 0000000000000002 RCX: 0000000000000000 # [ 35.446132] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffffffffa137e840 # [ 35.454395] RBP: ffffffffa17f9477 R08: 0000000000000000 R09: 0000000000000000 # [ 35.462658] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ 35.470922] R13: ffffac21c13d7f10 R14: ffffac21c13d7f10 R15: ffff9efcc595a000 # [ 35.479187] FS: 00007fab69c89580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000 # [ 35.488519] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 35.495229] CR2: 00007fab69a93000 CR3: 0000000103cc4004 CR4: 00000000003706e0 # [ 35.503493] Call Trace: # [ 35.506532] ? __warn+0x80/0x110 # [ 35.510438] ? lkdtm_WARNING+0x13/0x20 # [ 35.521123] ? report_bug+0x9e/0xc0 # [ 35.525310] ? handle_bug+0x41/0x90 # [ 35.529498] ? exc_invalid_op+0x14/0x70 # [ 35.534074] ? asm_exc_invalid_op+0x12/0x20 # [ 35.539040] ? lkdtm_BUG+0x10/0x10 # [ 35.543153] ? lkdtm_WARNING+0x13/0x20 # [ 35.547655] direct_entry.cold+0x2c/0x38 # [ 35.552352] full_proxy_write+0x53/0x80 # [ 35.556953] vfs_write+0xe7/0x3b0 # [ 35.560975] ksys_write+0x68/0xf0 # [ 35.564967] do_syscall_64+0x30/0x40 # [ 35.569250] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 35.575184] RIP: 0033:0x7fab69b9f473 # [ 35.579479] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 35.600789] RSP: 002b:00007fffc0652598 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 35.609538] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007fab69b9f473 # [ 35.617801] RDX: 0000000000000008 RSI: 00007fab69a93000 RDI: 0000000000000001 # [ 35.626065] RBP: 00007fab69a93000 R08: 00007fab69a92010 R09: 0000000000000000 # [ 35.634330] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 35.642594] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 35.650863] irq event stamp: <6>[ 37.382396] lkdtm: Performing direct entry CORRUPT_LIST_ADD <6>[ 37.394520] lkdtm: attempting good list addition 0 # [ 35.660774] hardirqs last enabled at (0): [<00000000000<6>[ 37.399998] lkdtm: attempting corrupted list addition <3>[ 37.412138] lkdtm: list_add() corruption not detected! 00000>] 0x0 # [ 35.674282] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 35.683708] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 35.693134] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 35.700443] ---[ end trace ffd54ce207130e77 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 35.780300] lkdtm: Performing direct entry WARNING_MESSAGE # [ 35.786947] ------------[ cut here ]------------ # [ 35.798641] Warning message trigger count: 2 # [ 35.809945] WARNING: CPU: 0 PID: 710 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 35.826661] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industri<6>[ 37.494977] lkdtm: Performing direct entry CORRUPT_LIST_DEL <6>[ 37.505546] lkdtm: attempting good list removal <6>[ 37.510924] lkdtm: attempting corrupted list removal alio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcv<3>[ 37.516787] lkdtm: list_del() corruption not detected! ideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 35.885612] CPU: 0 PID: 710 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 35.900665] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 35.913989] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 35.926132] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 41 57 e9 02 48 c7 c7 d8 99 7f a1 8d 70 01 89 35 31 57 e9 02 e8 57 d2 64 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 35.953633] RSP: 0018:ffffac21c142fe60 EFLAGS: 00010286 # [ 35.965982] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 35.980538] RDX: ffff9efd3ac2c660 RSI: ffff9efd3ac1bf70 RDI: ffff9efd3ac1bf70 # [ 35.994954] RBP: ffffffffa17f947f R08: 0000000000000000 R09: 0000000000000000 # [ 36.009528] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 36.023961] R13: ffffac21c142ff10 R14: ffffac21c142ff10 R15: ffff9efcc47e7000 # [ 36.038467] FS: 00007f2dca55a580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000 # [ 36.053973] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 36.066906] CR2: 0<6>[ 37.667327] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING 0007f2dca364000 CR3: 0000000103cb6006 CR4: 00000000003706f0 # [<6>[ 37.679399] lkdtm: attempting bad read from page below current stack 36.081382] Call Trace: # [ 36.090651] ? __warn+0x80/0x110<0>[ 37.693040] BUG: stack guard page was hit at 0000000010566e0c (stack is 00000000bb86a6fe..000000002c94bfc9) <4>[ 37.710378] kernel stack overflow (page fault): 0000 [#3] SMP PTI <4>[ 37.717474] CPU: 0 PID: 967 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 37.726316] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 37.733414] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a <4>[ 37.740224] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 78 9d 7f a1 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 b5 de fb ff 48 c7 c7 b8 9d 7f a1 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 9b de fb ff 0f 1f 44 <4>[ 37.761495] RSP: 0018:ffffac21c180fe50 EFLAGS: 00010246 <4>[ 37.767611] RAX: 0000000000000038 RBX: ffffac21c180c000 RCX: 0000000000000000 <4>[ 37.775862] RDX: 0000000000000000 RSI: ffff9efd3ac1bf70 RDI: ffffffffa17f9db8 <4>[ 37.784121] RBP: ffffffffa17f94e2 R08: 0000000000000000 R09: 0000000000000000 <4>[ 37.792379] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 <4>[ 37.800639] R13: ffffac21c180ff10 R14: ffffac21c180ff10 R15: ffff9efcc309c000 <4>[ 37.808900] FS: 00007f917fbb2580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000 <4>[ 37.818219] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 37.824923] CR2: ffffac21c180bfff CR3: 0000000105cd0006 CR4: 00000000003706f0 <4>[ 37.833183] Call Trace: <4>[ 37.836200] <#DF> <4>[ 37.838733] ? __die_body.cold+0x1a/0x1f <4>[ 37.843408] ? die+0x2b/0x50 <4>[ 37.846917] ? handle_stack_overflow+0x3e/0x4d <4>[ 37.852167] ? no_context+0x24d/0x380 <4>[ 37.856534] <4>[ 37.859162] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 37.911933] ---[ end trace ffd54ce207130e7a ]--- <4>[ 37.917386] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 37.922060] Code: 89 ff e8 4e e7 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 57 e9 02 <4>[ 37.943336] RSP: 0018:ffffac21c131fe60 EFLAGS: 00010286 <4>[ 37.949460] RAX: ffffffffa0379430 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 37.957720] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffffffffa137e830 <4>[ 37.965979] RBP: ffffffffa185db78 R08: 0000000000000001 R09: 0000000000000001 <4>[ 37.974239] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 37.982499] R13: ffffac21c131ff10 R14: ffffac21c131ff10 R15: ffff9efcc43c9000 <4>[ 37.990759] FS: 00007f917fbb2580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000 <4>[ 38.000089] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 38.006796] CR2: ffffac21c180bfff CR3: 0000000105cd0006 CR4: 00000000003706f0 <3>[ 38.015059] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 38.025262] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 967, name: cat <4>[ 38.033912] INFO: lockdep is turned off. <4>[ 38.038580] irq event stamp: 0 <4>[ 38.042278] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 38.049568] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 38.058995] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 38.068414] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 38.075696] CPU: 0 PID: 967 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 38.084531] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 38.091626] Call Trace: <4>[ 38.094646] dump_stack+0x77/0x9b <4>[ 38.098642] ___might_sleep.cold+0xa6/0xb6 <4>[ 38.103507] exit_signals+0x1c/0x300 <4>[ 38.107794] do_exit+0xc2/0xab0 <4>[ 38.111590] ? ksys_write+0x68/0xf0 <4>[ 38.115780] make_task_dead+0x2f/0x30 <4>[ 38.120149] rewind_stack_and_make_dead+0x17/0x20 <4>[ 38.125692] RIP: 0033:0x7f917fac8473 <4>[ 38.129973] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 38.151249] RSP: 002b:00007fffbc01ae48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 38.159996] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f917fac8473 <4>[ 38.168256] RDX: 0000000000000019 RSI: 00007f917f9bc000 RDI: 0000000000000001 <4>[ 38.176516] RBP: 00007f917f9bc000 R08: 00007f917f9bb010 R09: 0000000000000000 <4>[ 38.184777] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 38.193037] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 36.100735] ? lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 36.112216] ? report_bug+0x9e/0xc0 # [ 36.122608] ? handle_bug+0x41/0x90 # [ 36.133057] ? exc_invalid_op+0x14/0x70 # [ 36.143805] ? asm_exc_invalid_op+0x12/0x20 # [ 36.155012] ? lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 36.166486] direct_entry.cold+0x2c/0x38 # [ 36.177396] full_proxy_write+0x53/0x80 # [ 36.188148] vfs_write+0xe7/0x3b0 # [ 36.198381] ksys_write+0x68/0xf0 # [ 36.208568] do_syscall_64+0x30/0x40 # [ 36.219086] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 36.231218] RIP: 0033:0x7f2dca470473 # [ 36.241738] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 36.269213] RSP: 002b:00007ffc5a6e0968 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 36.284168] RAX: ffffffffffffffda RBX: 00<6>[ 38.292523] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING 00000000000010 RCX: 00007f2dca470473 # [ 36.298664] RDX: 0000<6>[ 38.301951] lkdtm: attempting bad read from page above current stack 000000000010 RSI: 00007f2dca364000 RDI: 0000000000000001 # [ <0>[ 38.315571] BUG: stack guard page was hit at 000000008c42977c (stack is 000000006e6f1680..000000003b8b786c) <4>[ 38.332944] kernel stack overflow (page fault): 0000 [#4] SMP PTI <4>[ 38.340041] CPU: 0 PID: 1000 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 38.348974] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 38.356075] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d <4>[ 38.362981] Code: de fb ff 0f 1f 44 00 00 53 48 c7 c7 f0 9d 7f a1 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 7b de fb ff 48 c7 c7 30 9e 7f a1 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 5e de fb ff <4>[ 38.384253] RSP: 0018:ffffac21c1877e50 EFLAGS: 00010246 <4>[ 38.390377] RAX: 0000000000000038 RBX: ffffac21c1874000 RCX: 0000000000000000 <4>[ 38.398636] RDX: 0000000000000000 RSI: ffff9efd3ac1bf70 RDI: ffffffffa17f9e30 <4>[ 38.406897] RBP: ffffffffa17f94fb R08: 0000000000000000 R09: 0000000000000000 <4>[ 38.415159] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a <4>[ 38.423421] R13: ffffac21c1877f10 R14: ffffac21c1877f10 R15: ffff9efcc3c43000 <4>[ 38.431682] FS: 00007f63f9e7b580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000 <4>[ 38.441010] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 38.447717] CR2: ffffac21c1878000 CR3: 0000000103cc4004 CR4: 00000000003706f0 <4>[ 38.455977] Call Trace: <4>[ 38.458994] <#DF> <4>[ 38.461528] ? __die_body.cold+0x1a/0x1f <4>[ 38.466203] ? die+0x2b/0x50 <4>[ 38.469713] ? handle_stack_overflow+0x3e/0x4d <4>[ 38.474966] ? no_context+0x24d/0x380 <4>[ 38.479341] <4>[ 38.481968] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 38.534740] ---[ end trace ffd54ce207130e7b ]--- <4>[ 38.540191] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 38.544864] Code: 89 ff e8 4e e7 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 57 e9 02 <4>[ 38.566138] RSP: 0018:ffffac21c131fe60 EFLAGS: 00010286 <4>[ 38.572264] RAX: ffffffffa0379430 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 38.580524] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffffffffa137e830 <4>[ 38.588786] RBP: ffffffffa185db78 R08: 0000000000000001 R09: 0000000000000001 <4>[ 38.597046] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 38.605305] R13: ffffac21c131ff10 R14: ffffac21c131ff10 R15: ffff9efcc43c9000 <4>[ 38.613568] FS: 00007f63f9e7b580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000 <4>[ 38.622896] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 38.629604] CR2: ffffac21c1878000 CR3: 0000000103cc4004 CR4: 00000000003706f0 36.313155] RBP: 00007f2dca364000 R08: 00007f2dca363010 R09: 0000000000000000 # [ 36.327641] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 36.342144] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 36.356639] irq event stamp: 0 # [ 36.366572] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 36.380085] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 36.395756] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 36.411392] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 36.424916] ---[ end trace ffd54ce207130e78 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 36.510373] lkdtm: Performing direct entry EXCEPTION # [ 36.517010] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 36.531271] #PF: supervisor write access in kernel mode # [ 36.537396] #PF: error_code(0x0002) - not-present page # [ 36.543438] PGD 0 P4D 0 # [ 36.546555] Oops: 0002 [#2] SMP PTI # [ 36.550738] CPU: 0 PID: 742 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 36.559582] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 36.566683] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 36.571940] Code: 48 c7 c7 d8 99 7f a1 8d 70 01 89 35 31 57 e9 02 e8 57 d2 64 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 # [ 36.593215] RS<6>[ 38.792606] lkdtm: Performing direct entry UNSET_SMEP <6>[ 38.799186] lkdtm: trying to clear SMEP normally <4>[ 38.804637] ------------[ cut here ]------------ <4>[ 38.810086] pinned CR4 bits changed: 0x100000!? P: 0018:ffffac21c14efe60 EFLAGS: 00010286 # [ 36.599340] RAX:<4>[ 38.815453] WARNING: CPU: 2 PID: 1036 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 ffffffffa0379490 RBX: 0000000000000004 RCX: 0000000000000000 #<4>[ 38.832162] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 38.891167] CPU: 2 PID: 1036 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 38.900136] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 38.907236] RIP: 0010:native_write_cr4+0x45/0x60 <4>[ 38.912686] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d f3 34 46 02 00 75 f2 48 c7 c7 a0 7a 6f a1 c6 05 e3 34 46 02 01 e8 d2 40 10 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 <4>[ 38.933993] RSP: 0018:ffffac21c18d7e48 EFLAGS: 00010286 [ 36.607602] RDX: 0000000000000000 RSI: ffff9efd3ac1bf70 RDI:<4>[ 38.940124] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 ffffffffa137e860 # [ 36.615869] RBP: ffffffffa16ed9df R08: 0<4>[ 38.954604] RDX: ffff9efd3ad2c660 RSI: ffff9efd3ad1bf70 RDI: ffff9efd3ad1bf70 <4>[ 38.969083] RBP: ffffffffa17f9515 R08: 0000000000000000 R09: 0000000000000000 <4>[ 38.977349] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b <4>[ 38.985615] R13: ffffac21c18d7f10 R14: ffffac21c18d7f10 R15: ffff9efcc5916000 <4>[ 38.993880] FS: 00007f8d315b6580(0000) GS:ffff9efd3ad00000(0000) knlGS:0000000000000000 <4>[ 39.003212] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 39.009918] CR2: 00007f8d313c0000 CR3: 00000001041a0002 CR4: 00000000003706e0 000000000000000 R09: 0000000000000000 # [ 36.624129] R10: 000<4>[ 39.018211] Call Trace: 00000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ <4>[ 39.027447] ? __warn+0x80/0x110 <4>[ 39.037554] ? native_write_cr4+0x45/0x60 <4>[ 39.042326] ? report_bug+0x9e/0xc0 <4>[ 39.046544] ? handle_bug+0x41/0x90 <4>[ 39.050733] ? exc_invalid_op+0x14/0x70 <4>[ 39.055309] ? asm_exc_invalid_op+0x12/0x20 <4>[ 39.060278] ? native_write_cr4+0x45/0x60 <4>[ 39.065076] ? native_write_cr4+0x45/0x60 <4>[ 39.069849] lkdtm_UNSET_SMEP.cold+0x1d/0x103 <4>[ 39.075038] direct_entry.cold+0x2c/0x38 <4>[ 39.079712] full_proxy_write+0x53/0x80 <4>[ 39.084317] vfs_write+0xe7/0x3b0 <4>[ 39.088312] ksys_write+0x68/0xf0 <4>[ 39.092326] do_syscall_64+0x30/0x40 <4>[ 39.096612] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 39.102548] RIP: 0033:0x7f8d314cc473 <4>[ 39.106832] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 39.128115] RSP: 002b:00007ffdf0d2cdb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 39.136866] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f8d314cc473 <4>[ 39.145132] RDX: 000000000000000b RSI: 00007f8d313c0000 RDI: 0000000000000001 <4>[ 39.153398] RBP: 00007f8d313c0000 R08: 00007f8d313bf010 R09: 0000000000000000 <4>[ 39.161665] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 39.169930] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 39.178201] irq event stamp: 0 <4>[ 39.181930] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 39.189226] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 39.198657] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 39.208086] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 39.215381] ---[ end trace ffd54ce207130e7c ]--- <6>[ 39.220830] lkdtm: ok: SMEP did not get cleared 36.632391] R13: ffffac21c14eff10 R14: ffffac21c14eff10 R15: fff<6>[ 39.226181] lkdtm: trying to clear SMEP with call gadget <6>[ 39.238622] lkdtm: ok: SMEP removal was reverted f9efcc5f13000 # [ 36.640653] FS: 00007f7caffdb580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000 # [ 36.649983] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 36.656692] CR2: 0000000000000000 CR3: 0000000103cb6005 CR4: 00000000003706f0 # [ 36.664952] Call Trace: # [ 36.667972] ? __die_body.cold+0x1a/0x1f # [ 36.672648] ? no_context+0x177/0x380 # [ 36.677035] ? exc_page_fault+0x53/0x170 # [ 36.681711] ? asm_exc_page_fault+0x1e/0x30 # [ 36.686672] ? lkdtm_WARNING_MESSAGE+0x30/0x30 # [ 36.691924] ? lkdtm_EXCEPTION+0x5/0x20 # [ 36.696496] direct_entry.cold+0x2c/0x38 # [ 36.701168] full_proxy_write+0x53/0x80 # [ 36.705747] vfs_write+0xe7/0x3b0 # [ 36.709735] ksys_write+0x68/0xf0 # [ 36.713716] do_syscall_64+0x30/0x40 # [ 36.717987] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 36.723939] RIP: 0033:0x7f7cafef1473 # [ 36.728218] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 1<6>[ 39.339797] lkdtm: Performing direct entry DOUBLE_FAULT <3>[ 39.349635] lkdtm: XFAIL: this test is ia32-only 4 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 36.749495] RSP: 002b:00007ffeb5ae7dd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 36.758232] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f7cafef1473 # [ 36.766493] RDX: 000000000000000a RSI: 00007f7cafde5000 RDI: 0000000000000001 # [ 36.774756] RBP: 00007f7cafde5000 R08: 00007f7cafde4010 R09: 0000000000000000 # [ 36.783016] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 36.791278] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 36.799543] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs <6>[ 39.432565] lkdtm: Performing direct entry CORRUPT_PAC cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_ch<3>[ 39.441954] lkdtm: XFAIL: this test is arm64-only ardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 36.852313] CR2: 0000000000000000 # [ 36.856301] ---[ end trace ffd54ce207130e79 ]--- # [ 36.861739] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 36.866407] Code: 89 ff e8 4e e7 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 57 e9 02 # [ 36.887679] RSP: 0018:ffffac21c131fe60 EFLAGS: 00010286 # [ 36.893803] RAX: ffffffffa0379430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 36.902062<6>[ 39.527837] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE ] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffffffffa137e<3>[ 39.535793] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS 830 # [ 36.910320] RBP: ffffffffa185db78 R08: 0000000000000001 R09: 0000000000000001 # [ 36.918580] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 36.926840] R13: ffffac21c131ff10 R14: ffffac21c131ff10 R15: ffff9efcc43c9000 # [ 36.935092] FS: 00007f7caffdb580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000 # [ 36.944410] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 36.951115] CR2: 0000000000000000 CR3: 0000000103cb6005 CR4: 00000000003706f0 # [ 36.959375] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 36.969577] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 742, name: cat # [ 36.978225] INFO: lockdep is turned off. # [ 36.982891] irq event stamp: 0 # [ 36.986588] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 36.993869] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 37.003294] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 37.012720] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 37.020010] CPU: 0 PID: 742 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 37.028853] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 37.035948] Call Trace: # [ 37.038958] dump_stack+0x77/0x9b # [ 37.042948] ___might_sleep.cold+0xa6/0xb6 # [ 3<6>[ 39.686023] lkdtm: Performing direct entry READ_AFTER_FREE 7.047812] exit_signals+0x1c/0x300 # [ 37.052098] do_exit+0x<6>[ 39.693061] lkdtm: Value in memory before free: 12345678 c2/0xab0 # [ 37.055893] ? ksys_write+0x68/0xf0 # [ 37.060<6>[ 39.705517] lkdtm: Attempting bad read from freed memory 076] make_task_dead+0x2f/0x30 # [ 37.064453] rewind_stack_a<6>[ 39.717942] lkdtm: Memory was not poisoned nd_make_dead+0x17/0x20 # [ 37.069994] RIP: 0033:0x7f7cafef1473 # [ 37.074272] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 37.095542] RSP: 002b:00007ffeb5ae7dd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 37.104288] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f7cafef1473 # [ 37.112548] RDX: 000000000000000a RSI: 00007f7cafde5000 RDI: 0000000000000001 # [ 37.120806] RBP: 00007f7cafde5000 R08: 00007f7cafde4010 R09: 0000000000000000 # [ 37.129065] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 37.137326] 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: EXH<6>[ 39.829731] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE AUST_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK.sh # Sk<6>[ 39.841727] lkdtm: Value in memory before free: 12345678 ipping CORRUPT_STACK: Crashes entire system on success ok 8 sel<6>[ 39.854171] lkdtm: Attempting to read from freed memory ftests: lkdtm: CORRUPT_STACK.sh # SKIP # selftests: lkdtm: CORR<6>[ 39.866540] lkdtm: Buddy page was not poisoned UPT_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 # [ 37.382396] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 37.394520] lkdtm: attempting good list addition # [ 37.399998] lkdtm: attempting corrupted list addition # [ 37.412138] lkdtm: list_add() corruption not detected! # CORRUPT_LIST_ADD: missing 'list_add corruption': [FAIL] not ok 10 selftests: lkdtm: CORRUPT_LIST_ADD.sh # exit=1 # selftests: lkdtm: CORRUPT_LIST_DEL.sh # [ 37.494977] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 37.505546] lkdtm: attempting good list removal # [ 37.510924] lkdtm: attempting corrupted list removal # [ 37.516787] lkdtm: list_del() corruption not detected! # CORRUP<6>[ 39.953015] lkdtm: Performing direct entry SLAB_FREE_DOUBLE <6>[ 39.965274] lkdtm: Attempting double slab free ... T_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 # [ 37.667327] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 37.679399] lkdtm: attempting bad read from page below current stack # [ 37.693040] BUG: stack guard page was hit at 0000000010566e0c (stack is 00000000bb86a6fe..000000002c94bfc9) # [ 37.710378] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 37.717474] CPU: 0 PID: 967 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 37.726316] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 37.733414] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 37.740224] Code:<6>[ 40.041717] lkdtm: Performing direct entry SLAB_FREE_CROSS cc cc cc 0f 1f 44 00 00 53 48 c7 c7 78 9d 7f a1 50 65 48 8b 04 <6>[ 40.051996] lkdtm: Attempting cross-cache slab free ... 25 40 b0 01 00 48 8b 58 18 e8 b5 de fb ff 48 c7 c7 b8 9d 7f a1 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 9b de fb ff 0f 1f 44 # [ 37.761495] RSP: 0018:ffffac21c180fe50 EFLAGS: 00010246 # [ 37.767611] RAX: 0000000000000038 RBX: ffffac21c180c000 RCX: 0000000000000000 # [ 37.775862] RDX: 0000000000000000 RSI: ffff9efd3ac1bf70 RDI: ffffffffa17f9db8 # [ 37.784121] RBP: ffffffffa17f94e2 R08: 0000000000000000 R09: 0000000000000000 # [ 37.792379] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 37.800639] R13: ffffac21c180ff10 R14: ffffac21c180ff10 R15: ffff9efcc309c000 # [ 37.808900] FS: 00007f917fbb2580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000 # [ 37.818219] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008<6>[ 40.134903] lkdtm: Performing direct entry SLAB_FREE_PAGE <6>[ 40.145233] lkdtm: Attempting non-Slab slab free ... 0050033 # [ 37.824923] CR2: ffffac21c180bfff CR3: 0000000105cd0006 CR4: 00000000003706f0 # [ 37.833183] Call Trace: # [ 37.836200] <#DF> # [ 37.838733] ? __die_body.cold+0x1a/0x1f # [ 37.843408] ? die+0x2b/0x50 # [ 37.846917] ? handle_stack_overflow+0x3e/0x4d # [ 37.852167] ? no_context+0x24d/0x380 # [ 37.856534] # [ 37.859162] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 37.911933] ---[ end trace ffd54ce207130e7a ]--- # [ 37.917386] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 37.922060] Code: 89 ff e8 4e e7 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 57 e9 02 # [ 37.943336] RSP: 0018:ffffac21c131fe60 EFLAGS: 00010286 # [ 37.949460] RAX: ffffffffa0379430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 37.957720] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffffffffa137e830 # [ 37.965979] RBP: ffffffffa185db78 R08: 0000000000000001 R09: 0000000000000001 # [ 37.974239] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 37.982499] R13: ffffac21c131ff10 R14: ffffac21c131ff10 R15: ffff9efcc43c9000 # [ 37.990759] FS: 00007f917fbb2580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000 # [ 38.000089] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 38.006796] CR2: ffffac21c180bfff CR3: 0000000105cd0006 CR4: 00000000003706f0 # [ 38.015059] BUG: sleeping function <6>[ 40.343608] lkdtm: Performing direct entry EXEC_DATA <6>[ 40.349577] lkdtm: attempting ok execution at ffffffffa0379800 <6>[ 40.356434] lkdtm: attempting bad execution at ffffffffa320ebe0 called from invalid context at include/linux/percpu-rwsem.h:49 <2>[ 40.363352] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 40.378209] BUG: unable to handle page fault for address: ffffffffa320ebe0 <1>[ 40.386179] #PF: supervisor instruction fetch in kernel mode <1>[ 40.392789] #PF: error_code(0x0011) - permissions violation <6>[ 40.399303] PGD 20629067 P4D 20629067 PUD 2062a063 PMD 8000000021e000e3 <4>[ 40.407083] Oops: 0011 [#5] SMP PTI <4>[ 40.411265] CPU: 3 PID: 1543 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 40.420206] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 40.427305] RIP: 0010:data_area+0x0/0x40 <4>[ 40.431973] Code: ff ff 00 d2 e7 c4 fc 9e ff ff 00 d1 e7 c4 fc 9e ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 <4>[ 40.453250] RSP: 0018:ffffac21c20d7e48 EFLAGS: 00010246 <4>[ 40.459375] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 40.467637] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffff9efd3ad9bf70 <4>[ 40.475899] RBP: ffffffffa320ebe0 R08: 0000000000000000 R09: 0000000000000000 <4>[ 40.484161] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 40.492440] R13: ffffac21c20d7f10 R14: ffffac21c20d7f10 R15: ffff9efcc5ae2000 <4>[ 40.500701] FS: 00007fcba2cc3580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000 <4>[ 40.510031] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 40.516739] CR2: ffffffffa320ebe0 CR3: 0000000103cb4002 CR4: 00000000003706e0 <4>[ 40.524999] Call Trace: <4>[ 40.528020] ? __die_body.cold+0x1a/0x1f <4>[ 40.532691] ? no_context+0x177/0x380 <4>[ 40.537072] ? exc_page_fault+0xd7/0x170 <4>[ 40.541741] ? asm_exc_page_fault+0x1e/0x30 <4>[ 40.546705] ? execute_location+0x45/0x56 <4>[ 40.551471] ? direct_entry.cold+0x2c/0x38 <4>[ 40.556337] ? full_proxy_write+0x53/0x80 <4>[ 40.561104] ? vfs_write+0xe7/0x3b0 <4>[ 40.565278] ? ksys_write+0x68/0xf0 <4>[ 40.569462] ? do_syscall_64+0x30/0x40 <4>[ 40.573936] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 40.580064] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 38.025262] in_atomic(): 0, irqs_disabled(): 1, non_block: <4>[ 40.632858] CR2: ffffffffa320ebe0 <4>[ 40.643058] ---[ end trace ffd54ce207130e7d ]--- <4>[ 40.648505] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 40.653173] Code: 89 ff e8 4e e7 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 57 e9 02 <4>[ 40.674447] RSP: 0018:ffffac21c131fe60 EFLAGS: 00010286 <4>[ 40.680573] RAX: ffffffffa0379430 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 40.688835] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffffffffa137e830 <4>[ 40.697097] RBP: ffffffffa185db78 R08: 0000000000000001 R09: 0000000000000001 <4>[ 40.705356] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 40.713617] R13: ffffac21c131ff10 R14: ffffac21c131ff10 R15: ffff9efcc43c9000 <4>[ 40.721877] FS: 00007fcba2cc3580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000 <4>[ 40.731205] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 40.737911] CR2: ffffffffa320ebe0 CR3: 0000000103cb4002 CR4: 00000000003706e0 <3>[ 40.746173] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 40.756374] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1543, name: cat <4>[ 40.765121] INFO: lockdep is turned off. <4>[ 40.769787] irq event stamp: 0 <4>[ 40.773491] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 40.780781] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 40.790208] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 40.799634] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 40.806925] CPU: 3 PID: 1543 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 40.815858] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 40.822953] Call Trace: <4>[ 40.825972] dump_stack+0x77/0x9b <4>[ 40.829960] ___might_sleep.cold+0xa6/0xb6 <4>[ 40.834824] exit_signals+0x1c/0x300 <4>[ 40.839105] do_exit+0xc2/0xab0 <4>[ 40.842901] ? ksys_write+0x68/0xf0 <4>[ 40.847083] make_task_dead+0x2f/0x30 <4>[ 40.851452] rewind_stack_and_make_dead+0x17/0x20 <4>[ 40.856986] RIP: 0033:0x7fcba2bd9473 <4>[ 40.861266] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 40.882534] RSP: 002b:00007ffc0e44a7d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 40.891282] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fcba2bd9473 <4>[ 40.899542] RDX: 000000000000000a RSI: 00007fcba2acd000 RDI: 0000000000000001 <4>[ 40.907802] RBP: 00007fcba2acd000 R08: 00007fcba2acc010 R09: 0000000000000000 <4>[ 40.916063] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 40.924325] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0, pid: 967, name: cat # [ 38.033912] INFO: lockdep is turned off. # [ 38.038580] irq event stamp: 0 # [ 38.042278] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 38.049568] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 38.058995] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 38.068414] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 38.075696] CPU: 0 PID: 967 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 38.084531] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 38.091626] Call Trace: # [ 38.094646] dump_stack+0x77/0x9b # [ 38.098642] ___might_sleep.cold+0xa6/0xb6 # [ 38.103507] exit_signals+0x1c/0x300 # [ 38.107794] do_exit+0xc2/0xab0 # [ 38.111590] ? ksys_write+0x68/0xf0 # [ 38.115780] make_task_dead+0x2f/0x30 # [ 38.120149] rewind_stack_and_make_dead+0x17/0x20 # [ 38.125692] RIP: 0033:0x7f917fac8473 # [ 38.129973] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 6<6>[ 41.033926] lkdtm: Performing direct entry EXEC_STACK <6>[ 41.044232] lkdtm: attempting ok execution at ffffffffa0379800 <6>[ 41.051071] lkdtm: attempting bad execution at ffffac21c2167e18 <2>[ 41.057979] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 41.066660] BUG: unable to handle page fault for address: ffffac21c2167e18 <1>[ 41.074630] #PF: supervisor instruction fetch in kernel mode <1>[ 41.081232] #PF: error_code(0x0011) - permissions violation 4 <8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 6>[ 41.087745] PGD 100000067 P4D 100000067 PUD 100231067 PMD 102657067 PTE 8000000106f54063 <4>[ 41.103298] Oops: 0011 [#6] SMP PTI <4>[ 41.107481] CPU: 3 PID: 1579 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 41.116440] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 41.123529] RIP: 0010:0xffffac21c2167e18 <4>[ 41.128198] Code: 00 00 18 7e 16 c2 21 ac ff ff 51 e6 a0 a0 ff ff ff ff 20 00 00 00 00 00 00 00 3e 96 7f a1 ff ff ff ff 80 e7 a0 a0 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 <4>[ 41.149462] RSP: 0018:ffffac21c2167df8 EFLAGS: 00010246 <4>[ 41.155586] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 41.163847] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffff9efd3ad9bf70 <4>[ 41.172105] RBP: ffffac21c2167e18 R08: 0000000000000000 R09: 0000000000000000 <4>[ 41.180366] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b <4>[ 41.188626] R13: ffffac21c2167f10 R14: ffffac21c2167f10 R15: ffff9efcc2a0c000 <4>[ 41.196887] FS: 00007fb5f9e1d580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000 <4>[ 41.206216] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 41.212922] CR2: ffffac21c2167e18 CR3: 0000000106e58003 CR4: 00000000003706e0 <4>[ 41.221183] Call Trace: <4>[ 41.224203] ? __die_body.cold+0x1a/0x1f <4>[ 41.228873] ? no_context+0x177/0x380 <4>[ 41.233252] ? exc_page_fault+0xd7/0x170 <4>[ 41.237923] ? asm_exc_page_fault+0x1e/0x30 <4>[ 41.242887] ? execute_location+0x45/0x56 <4>[ 41.247654] ? lkdtm_EXEC_STACK+0x26/0x44 <4>[ 41.252436] ? direct_entry.cold+0x2c/0x38 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [<4>[ 41.257310] ? full_proxy_write+0x53/0x80 <4>[ 41.268289] ? vfs_write+0xe7/0x3b0 <4>[ 41.272473] ? ksys_write+0x68/0xf0 <4>[ 41.276676] ? do_syscall_64+0x30/0x40 <4>[ 41.281142] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 38.151249] RSP: 002b:00007fffbc01ae48 EFLAGS: 00000246 ORIG_R<4>[ 41.287269] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 41.346268] CR2: ffffac21c2167e18 <4>[ 41.350255] ---[ end trace ffd54ce207130e7e ]--- <4>[ 41.355703] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 41.360370] Code: 89 ff e8 4e e7 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 57 e9 02 <4>[ 41.381646] RSP: 0018:ffffac21c131fe60 EFLAGS: 00010286 <4>[ 41.387773] RAX: ffffffffa0379430 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 41.396035] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffffffffa137e830 <4>[ 41.404297] RBP: ffffffffa185db78 R08: 0000000000000001 R09: 0000000000000001 <4>[ 41.412558] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 41.420818] R13: ffffac21c131ff10 R14: ffffac21c131ff10 R15: ffff9efcc43c9000 <4>[ 41.429081] FS: 00007fb5f9e1d580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000 <4>[ 41.438411] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 41.445118] CR2: ffffac21c2167e18 CR3: 0000000106e58003 CR4: 00000000003706e0 AX: 0000000000000001 # [ 38.159996] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f917fac8473 # [ 38.168256] RDX: 0000000000000019 RSI: 00007f917f9bc000 RDI: 0000000000000001 # [ 38.176516] RBP: 00007f917f9bc000 R08: 00007f917f9bb010 R09: 0000000000000000 # [ 38.184777] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 38.193037] 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 # [ 38.292523] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 38.301951] lkdtm: attempting bad read from page above current stack # [ 38.315571] BUG: stack guard page was hit at 000000008c42977c (stack is 000000006e6f1680..000000003b8b786c) # [ 38.332944] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 38.340041] CPU: 0 PID: 1000 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 38.348974] Hardware name: Google Ramm<6>[ 41.553664] lkdtm: Performing direct entry EXEC_KMALLOC <6>[ 41.565228] lkdtm: attempting ok execution at ffffffffa0379800 <6>[ 41.572077] lkdtm: attempting bad execution at ffff9efcc50b1680 <2>[ 41.579011] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 41.587669] BUG: unable to handle page fault for address: ffff9efcc50b1680 <1>[ 41.595637] #PF: supervisor instruction fetch in kernel mode <1>[ 41.602244] #PF: error_code(0x0011) - permissions violation <6>[ 41.608755] PGD 22001067 P4D 22001067 PUD 100870063 PMD 1050d7063 PTE 80000001050b1063 <4>[ 41.617893] Oops: 0011 [#7] SMP PTI <4>[ 41.622068] CPU: 3 PID: 1615 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 41.631010] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 41.638098] RIP: 0010:0xffff9efcc50b1680 <4>[ 41.642766] Code: 00 00 02 00 00 00 00 00 00 00 c0 1f 0b c5 fc 9e ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fb ef 8f 9f ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 <4>[ 41.664040] RSP: 0018:ffffac21c2047e38 EFLAGS: 00010246 <4>[ 41.670165] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 41.678449] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffff9efd3ad9bf70 <4>[ 41.686710] RBP: ffff9efcc50b1680 R08: 0000000000000000 R09: 0000000000000000 <4>[ 41.694969] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d <4>[ 41.703227] R13: ffffac21c2047f10 R14: ffffac21c2047f10 R15: ffff9efcc32d6000 <4>[ 41.711493] FS: 00007f0a720d5580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000 <4>[ 41.720821] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 41.727528] CR2: ffff9efcc50b1680 CR3: 0000000103484005 CR4: 00000000003706e0 <4>[ 41.735780] Call Trace: <4>[ 41.738799] ? __die_body.cold+0x1a/0x1f <4>[ 41.743481] ? no_context+0x177/0x380 <4>[ 41.747893] ? exc_page_fault+0xd7/0x170 <4>[ 41.752563] ? asm_exc_page_fault+0x1e/0x30 <4>[ 41.757526] ? execute_location+0x45/0x56 <4>[ 41.762292] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 <4>[ 41.767251] ? direct_entry.cold+0x2c/0x38 <4>[ 41.772114] ? full_proxy_write+0x53/0x80 <4>[ 41.776881] ? vfs_write+0xe7/0x3b0 <4>[ 41.781063] ? ksys_write+0x68/0xf0 <4>[ 41.785246] ? do_syscall_64+0x30/0x40 <4>[ 41.789712] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 us/Rammus, BIOS 09/04/2020 # [ 38.356075] RIP: 0010:lkdtm_ST<4>[ 41.795841] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 41.854791] CR2: ffff9efcc50b1680 <4>[ 41.858780] ---[ end trace ffd54ce207130e7f ]--- <4>[ 41.864226] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 41.868893] Code: 89 ff e8 4e e7 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 57 e9 02 <4>[ 41.890157] RSP: 0018:ffffac21c131fe60 EFLAGS: 00010286 <4>[ 41.896281] RAX: ffffffffa0379430 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 41.904541] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffffffffa137e830 <4>[ 41.912801] RBP: ffffffffa185db78 R08: 0000000000000001 R09: 0000000000000001 <4>[ 41.921062] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 41.929322] R13: ffffac21c131ff10 R14: ffffac21c131ff10 R15: ffff9efcc43c9000 <4>[ 41.937581] FS: 00007f0a720d5580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000 <4>[ 41.946909] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 41.953614] CR2: ffff9efcc50b1680 CR3: 0000000103484005 CR4: 00000000003706e0 <3>[ 41.961873] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 41.972075] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1615, name: cat <4>[ 41.980820] INFO: lockdep is turned off. <4>[ 41.985487] irq event stamp: 0 <4>[ 41.989184] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 41.996466] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 42.005891] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 42.015318] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 42.022608] CPU: 3 PID: 1615 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 42.031547] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 42.038643] Call Trace: <4>[ 42.041663] dump_stack+0x77/0x9b <4>[ 42.045651] ___might_sleep.cold+0xa6/0xb6 <4>[ 42.050514] exit_signals+0x1c/0x300 <4>[ 42.054787] do_exit+0xc2/0xab0 <4>[ 42.058583] ? ksys_write+0x68/0xf0 <4>[ 42.062767] make_task_dead+0x2f/0x30 <4>[ 42.067144] rewind_stack_and_make_dead+0x17/0x20 <4>[ 42.072677] RIP: 0033:0x7f0a71feb473 <4>[ 42.076948] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 42.098222] RSP: 002b:00007ffdb3e3e538 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 42.106970] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f0a71feb473 <4>[ 42.115232] RDX: 000000000000000d RSI: 00007f0a71edf000 RDI: 0000000000000001 <4>[ 42.123492] RBP: 00007f0a71edf000 R08: 00007f0a71ede010 R09: 0000000000000000 <4>[ 42.131753] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 42.140014] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 38.362981] Code: de fb ff 0f 1f 44 00 00 53 48 c7 c7 f0 9d 7f a1 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 7b de fb ff 48 c7 c7 30 9e 7f a1 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 5e de fb ff # [ 38.384253] RSP: 0018:ffffac21c1877e50 EFLAGS: 00010246 # [ 38.390377] RAX: 0000000000000038 RBX: ffffac21c1874000 RCX: 0000000000000000 # [ 38.398636] RDX: 0000000000000000 RSI: ffff9efd3ac1bf70 RDI: ffffffffa17f9e30 # [ 38.406897] RBP: ffffffffa17f94fb R08: 0000000000000000 R09: 0000000000000000 # [ 38.415159] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 38.423421] R13: ffffac21c1877f10 R14: ffffac21c1877f10 R15: ffff9efcc3c43000 # [ 38.431682] FS: 00007f63f9e7b580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000 # [ 38.441010] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 38.447717] CR2: ffffac21c1878000 CR3: 0000000103cc4004 CR4: 00000000003706f0 # [ 38.455977] Call Trace: # [ 38.458994] <#DF> # [ 38.461528] ? __die_body.cold+0x1a/0x1f # [ 38.466203] ? die+0x2b/0x50 # [ 38.469713] ? handle_stack_<6>[ 42.256723] lkdtm: Performing direct entry EXEC_VMALLOC overflow+0x3e/0x4d # [ 38.474966] ? no_context+0x24d/0x380 <6>[ 42.266361] lkdtm: attempting ok execution at ffffffffa0379800 # [ 38.479341] # [ 38.481968] Modules linked in: fu<6>[ 42.279371] lkdtm: attempting bad execution at ffffac21c0375000 se ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_c<2>[ 42.292534] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 42.307385] BUG: unable to handle page fault for address: ffffac21c0375000 <1>[ 42.315356] #PF: supervisor instruction fetch in kernel mode <1>[ 42.321966] #PF: error_code(0x0011) - permissions violation <6>[ 42.328492] PGD 100000067 P4D 100000067 PUD 100231067 PMD 1009a8067 PTE 8000000106f64063 <4>[ 42.337833] Oops: 0011 [#8] SMP PTI <4>[ 42.342015] CPU: 0 PID: 1651 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 42.350957] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 42.358055] RIP: 0010:0xffffac21c0375000 <4>[ 42.362724] Code: Unable to access opcode bytes at RIP 0xffffac21c0374fd6. <4>[ 42.370686] RSP: 0018:ffffac21c2257e38 EFLAGS: 00010246 <4>[ 42.376812] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 42.385073] RDX: 0000000000000000 RSI: ffff9efd3ac1bf70 RDI: ffff9efd3ac1bf70 <4>[ 42.393335] RBP: ffffac21c0375000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 42.401597] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d <4>[ 42.409859] R13: ffffac21c2257f10 R14: ffffac21c2257f10 R15: ffff9efcc6f64000 <4>[ 42.418123] FS: 00007f4eb6de2580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000 <4>[ 42.427445] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 42.434153] CR2: ffffac21c0374fd6 CR3: 0000000106fb0005 CR4: 00000000003706f0 <4>[ 42.442415] Call Trace: <4>[ 42.445450] ? __die_body.cold+0x1a/0x1f <4>[ 42.450125] ? no_context+0x177/0x380 <4>[ 42.454503] ? exc_page_fault+0xd7/0x170 <4>[ 42.459179] ? asm_exc_page_fault+0x1e/0x30 <4>[ 42.464134] ? execute_location+0x45/0x56 <4>[ 42.468897] ? lkdtm_EXEC_VMALLOC+0x20/0x30 <4>[ 42.473848] ? direct_entry.cold+0x2c/0x38 <4>[ 42.478714] ? full_proxy_write+0x53/0x80 <4>[ 42.483490] ? vfs_write+0xe7/0x3b0 <4>[ 42.487673] ? ksys_write+0x68/0xf0 <4>[ 42.491856] ? do_syscall_64+0x30/0x40 <4>[ 42.496330] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 42.502459] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 42.555250] CR2: ffffac21c0375000 <4>[ 42.559245] ---[ end trace ffd54ce207130e80 ]--- <4>[ 42.564693] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 42.569366] Code: 89 ff e8 4e e7 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 57 e9 02 <4>[ 42.590642] RSP: 0018:ffffac21c131fe60 EFLAGS: 00010286 <4>[ 42.596758] RAX: ffffffffa0379430 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 42.605018] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffffffffa137e830 <4>[ 42.613279] RBP: ffffffffa185db78 R08: 0000000000000001 R09: 0000000000000001 <4>[ 42.621540] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 42.629802] R13: ffffac21c131ff10 R14: ffffac21c131ff10 R15: ffff9efcc43c9000 <4>[ 42.638063] FS: 00007f4eb6de2580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000 <4>[ 42.647383] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 42.654090] CR2: ffffac21c0374fd6 CR3: 0000000106fb0005 CR4: 00000000003706f0 ore industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 38.534740] ---[ end trace ffd54ce207130e7b ]--- # [ 38.540191] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 38.544864] Code: 89 ff e8 4e e7 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 57 e9 02 # [ 38.566138] RSP: 0018:ffffac21c131fe60 EFLAGS: 00010286 # [ 38.572264] RAX: ffffffffa0379430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 38.580524] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffffffffa137e830 # [ 38.588786] RBP: ffffffffa185db78 R08: 0000000000000001 R09: 0000000000000001 # [ 38.597046] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 38.605305] R13: ffffac21c131ff10 R14: ffffac21c131ff10 R15: ffff9efcc43c9000 # [ 38.613568] FS: 00007f63f9e7b580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000 # [ 38.622896] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 38.629604] CR2: ffffac21c1878000 CR3: 0000000103cc4004 CR4: 00000000003706f0 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 38.792606] lkdtm: Performing direct entry UNSET_SMEP # [ 38.799186] lkdtm: trying to clear SMEP normally # [ 38.804637] ------------[ cut here ]------<6>[ 42.831015] lkdtm: Performing direct entry EXEC_RODATA <6>[ 42.842426] lkdtm: attempting ok execution at ffffffffa0379800 <6>[ 42.849269] lkdtm: attempting bad execution at ffffffffa137ecc0 <2>[ 42.856192] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 42.864848] BUG: unable to handle page fault for address: ffffffffa137ecc0 <1>[ 42.872819] #PF: supervisor instruction fetch in kernel mode <1>[ 42.879428] #PF: error_code(0x0011) - permissions violation <6>[ 42.885940] PGD 20629067 P4D 20629067 PUD 2062a063 PMD 800000001fe000e1 ------ # [ 38.810086] pinned CR4 bits changed: 0x100000!? # <4>[ 42.893722] Oops: 0011 [#9] SMP PTI <4>[ 42.904120] CPU: 2 PID: 1687 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 42.913060] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 42.920158] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 <4>[ 42.926185] Code: ff ff f0 fb a0 a0 ff ff ff ff 8a 98 7f a1 ff ff ff ff 36 e3 a0 a0 ff ff ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 54 68 69 73 20 69 <4>[ 42.947460] RSP: 0018:ffffac21c22efe48 EFLAGS: 00010246 <4>[ 42.953575] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 <4>[ 42.961837] RDX: 0000000000000000 RSI: ffff9efd3ad1bf70 RDI: ffff9efd3ad1bf70 <4>[ 42.970097] RBP: ffffffffa137ecc0 R08: 0000000000000000 R09: 0000000000000000 <4>[ 42.978357] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c <4>[ 42.986617] R13: ffffac21c22eff10 R14: ffffac21c22eff10 R15: ffff9efcc5f24000 <4>[ 42.994896] FS: 00007fc3aa0a0580(0000) GS:ffff9efd3ad00000(0000) knlGS:0000000000000000 <4>[ 43.004226] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 43.010935] CR2: ffffffffa137ecc0 CR3: 0000000105f8e004 CR4: 00000000003706e0 <4>[ 43.019196] Call Trace: <4>[ 43.022216] ? __die_body.cold+0x1a/0x1f <4>[ 43.026886] ? no_context+0x177/0x380 <4>[ 43.031265] ? exc_page_fault+0xd7/0x170 <4>[ 43.035933] ? asm_exc_page_fault+0x1e/0x30 <4>[ 43.040898] ? execute_location+0x45/0x56 <4>[ 43.045662] ? direct_entry.cold+0x2c/0x38 <4>[ 43.050525] ? full_proxy_write+0x53/0x80 <4>[ 43.055290] ? vfs_write+0xe7/0x3b0 <4>[ 43.059464] ? ksys_write+0x68/0xf0 <4>[ 43.063667] ? do_syscall_64+0x30/0x40 <4>[ 43.068141] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 38.815453] WARNING: CPU: 2 PID: 1036 at arch/x86/kernel/cpu/<4>[ 43.074270] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 43.133267] CR2: ffffffffa137ecc0 <4>[ 43.137256] ---[ end trace ffd54ce207130e81 ]--- <4>[ 43.142693] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 43.147360] Code: 89 ff e8 4e e7 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 57 e9 02 <4>[ 43.168633] RSP: 0018:ffffac21c131fe60 EFLAGS: 00010286 <4>[ 43.174757] RAX: ffffffffa0379430 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 43.183019] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffffffffa137e830 <4>[ 43.191270] RBP: ffffffffa185db78 R08: 0000000000000001 R09: 0000000000000001 <4>[ 43.199529] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 43.207789] R13: ffffac21c131ff10 R14: ffffac21c131ff10 R15: ffff9efcc43c9000 <4>[ 43.216049] FS: 00007fc3aa0a0580(0000) GS:ffff9efd3ad00000(0000) knlGS:0000000000000000 <4>[ 43.225377] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 43.232084] CR2: ffffffffa137ecc0 CR3: 0000000105f8e004 CR4: 00000000003706e0 common.c:392 native_write_cr4+0x45/0x60 # [ 38.832162] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 38.891167] CPU: 2 PID: 1036 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 38.900136] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 38.907236] RIP: 0010:native_write_cr4+0x45/0x60 # [ 38.912686] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d f3 34 46 02 00 75 f2 48 c7 c7 a0 7a 6f a1 c6 05 e3 34 46 02 01 e8 d2 40 10 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ 38.933993] RSP: 0018:ffffac21c18d7e48 EFLAGS: 00010286 # [ 3<6>[ 43.342773] lkdtm: Performing direct entry EXEC_USERSPACE <6>[ 43.352390] lkdtm: attempting ok execution at ffffffffa0379800 8.940124] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 00000<6>[ 43.359219] lkdtm: attempting bad execution at 00007f2b77b9c000 <2>[ 43.372330] unable to execute userspace code (SMEP?) (uid: 0) <1>[ 43.379069] BUG: unable to handle page fault for address: 00007f2b77b9c000 <1>[ 43.387031] #PF: supervisor instruction fetch in kernel mode <1>[ 43.393640] #PF: error_code(0x0011) - permissions violation <6>[ 43.400154] PGD 8000000103bbd067 P4D 8000000103bbd067 PUD 1047e7067 PMD 105f8a067 PTE 107b36067 <4>[ 43.410167] Oops: 0011 [#10] SMP PTI <4>[ 43.414448] CPU: 3 PID: 1723 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 43.423390] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 43.430487] RIP: 0010:0x7f2b77b9c000 <4>[ 43.434767] Code: Unable to access opcode bytes at RIP 0x7f2b77b9bfd6. <4>[ 43.442348] RSP: 0018:ffffac21c2387e50 EFLAGS: 00010246 <4>[ 43.448489] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 <4>[ 43.456749] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffff9efd3ad9bf70 <4>[ 43.465011] RBP: 00007f2b77b9c000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 43.473273] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f <4>[ 43.481533] R13: ffffac21c2387f10 R14: ffffac21c2387f10 R15: ffff9efcc5f8e000 <4>[ 43.489796] FS: 00007f2b77b6d580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000 <4>[ 43.499126] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 43.505832] CR2: 00007f2b77b9c000 CR3: 0000000102660004 CR4: 00000000003706e0 <4>[ 43.514094] Call Trace: <4>[ 43.517115] ? __die_body.cold+0x1a/0x1f <4>[ 43.521784] ? no_context+0x177/0x380 <4>[ 43.526164] ? exc_page_fault+0x53/0x170 <4>[ 43.530834] ? asm_exc_page_fault+0x1e/0x30 <4>[ 43.535798] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae <4>[ 43.541443] ? direct_entry.cold+0x2c/0x38 <4>[ 43.546308] ? full_proxy_write+0x53/0x80 <4>[ 43.551075] ? vfs_write+0xe7/0x3b0 <4>[ 43.555258] ? ksys_write+0x68/0xf0 <4>[ 43.559441] ? do_syscall_64+0x30/0x40 <4>[ 43.563915] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 43.570042] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table 00000000000 # [ 38.954604] RDX: ffff9efd3ad2c660 RSI: ffff9ef<4>[ 43.622837] CR2: 00007f2b77b9c000 <4>[ 43.633036] ---[ end trace ffd54ce207130e82 ]--- <4>[ 43.638491] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 43.643151] Code: 89 ff e8 4e e7 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 57 e9 02 <4>[ 43.664413] RSP: 0018:ffffac21c131fe60 EFLAGS: 00010286 <4>[ 43.670537] RAX: ffffffffa0379430 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 43.678798] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffffffffa137e830 <4>[ 43.687058] RBP: ffffffffa185db78 R08: 0000000000000001 R09: 0000000000000001 <4>[ 43.695317] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 43.703578] R13: ffffac21c131ff10 R14: ffffac21c131ff10 R15: ffff9efcc43c9000 <4>[ 43.711838] FS: 00007f2b77b6d580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000 <4>[ 43.721168] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 43.727875] CR2: 00007f2b77b9c000 CR3: 0000000102660004 CR4: 00000000003706e0 <3>[ 43.736137] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 43.746341] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1723, name: cat <4>[ 43.755087] INFO: lockdep is turned off. <4>[ 43.759755] irq event stamp: 0 <4>[ 43.763453] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 43.770734] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 43.780162] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 43.789580] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 43.796860] CPU: 3 PID: 1723 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 43.805800] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 43.812894] Call Trace: <4>[ 43.815912] dump_stack+0x77/0x9b <4>[ 43.819901] ___might_sleep.cold+0xa6/0xb6 <4>[ 43.824765] exit_signals+0x1c/0x300 <4>[ 43.829045] do_exit+0xc2/0xab0 <4>[ 43.832831] ? ksys_write+0x68/0xf0 <4>[ 43.837006] make_task_dead+0x2f/0x30 <4>[ 43.841382] rewind_stack_and_make_dead+0x17/0x20 <4>[ 43.846924] RIP: 0033:0x7f2b77a83473 <4>[ 43.851203] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 43.872487] RSP: 002b:00007ffd9afc9ca8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 43.881232] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007f2b77a83473 <4>[ 43.889492] RDX: 000000000000000f RSI: 00007f2b77977000 RDI: 0000000000000001 <4>[ 43.897752] RBP: 00007f2b77977000 R08: 00007f2b77976010 R09: 0000000000000000 <4>[ 43.906013] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 43.914274] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 d3ad1bf70 RDI: ffff9efd3ad1bf70 # [ 38.969083] RBP: ffffffffa17f9515 R08: 0000000000000000 R09: 0000000000000000 # [ 38.977349] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 38.985615] R13: ffffac21c18d7f10 R14: ffffac21c18d7f10 R15: ffff9efcc5916000 # [ 38.993880] FS: 00007f8d315b6580(0000) GS:ffff9efd3ad00000(0000) knlGS:0000000000000000 # [ 39.003212] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 39.009918] CR2: 00007f8d313c0000 CR3: 00000001041a0002 CR4: 00000000003706e0 # [ 39.018211] Call Trace: # [ 39.027447] ? __warn+0x80/0x110 # [ 39.037554] ? native_write_cr4+0x45/0x60 # [ 39.042326] ? report_bug+0x9e/0xc0 # [ 39.046544] ? handle_bug+0x41/0x90 # [ 39.050733] ? exc_invalid_op+0x14/0x70 # [ 39.055309] ? asm_exc_invalid_op+0x12/0x20 # [ 39.060278] ? native_write_cr4+0x45/0x60 # [ 39.065076] ? native_write_cr4+0x45/0x60 # [ 39.069849] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 39.075038] direct_entry.cold+0x2c/0x38 # [ 39.079712] full_proxy_write+0x53/0x80 # [ 39.084317] vfs_write+0xe7/0x3b0 # [ 39.088312] ksys_write+0x68/0xf0 # [ 39.092326] do_syscall_64+0x30/0x40 # [ 39.096612] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 39.102548] RIP: 0033:0x7f8d314cc473 # [ 39.106832] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 39.128115] RSP: 002b:00007ffdf0d2cdb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 39.136866] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f8d314cc473 # [ 39.145132] RDX: 000000000000000b RSI: 00007f8d313c0000 RDI: 0000000000000001 # [ 39.153398] RBP: 00007f8d313c0000 R08: 00007f8d313bf010 R09: 0000000000000000 # [ 39.161665] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 39.169930] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 39.178201] irq event stamp: 0 # [ 39.181930] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 39.189226] hardirqs last disabled at<6>[ 44.133417] lkdtm: Performing direct entry EXEC_NULL <6>[ 44.139726] lkdtm: attempting ok execution at ffffffffa0379800 (0): [] copy_process+0x664/0x1c60 # [ 39.1<6>[ 44.146535] lkdtm: attempting bad execution at 0000000000000000 98657] softirqs last enabled at (0): [] copy_<1>[ 44.159657] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 44.173932] #PF: supervisor instruction fetch in kernel mode <1>[ 44.180542] #PF: error_code(0x0010) - not-present page <6>[ 44.186569] PGD 0 P4D 0 <4>[ 44.189685] Oops: 0010 [#11] SMP PTI <4>[ 44.193965] CPU: 1 PID: 1759 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 44.202906] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 44.210004] RIP: 0010:0x0 <4>[ 44.213216] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. <4>[ 44.221185] RSP: 0018:ffffac21c242fe48 EFLAGS: 00010246 <4>[ 44.227302] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 <4>[ 44.235566] RDX: 0000000000000000 RSI: ffff9efd3ac9bf70 RDI: ffff9efd3ac9bf70 <4>[ 44.243820] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 44.252083] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 44.260337] R13: ffffac21c242ff10 R14: ffffac21c242ff10 R15: ffff9efcc2663000 <4>[ 44.268599] FS: 00007ff9792ca580(0000) GS:ffff9efd3ac80000(0000) knlGS:0000000000000000 <4>[ 44.277930] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 44.284637] CR2: ffffffffffffffd6 CR3: 0000000105fb6004 CR4: 00000000003706e0 <4>[ 44.292899] Call Trace: pr[ 44.295921] ? __die_body.cold+0x1a/0x1f <4>[ 44.306810] ? no_context+0x177/0x380 (0): [<0000000000000000>] 0x0 # [ 39.215381] ---[ end trace <4>[ 44.311191] ? exc_page_fault+0x53/0x170 <4>[ 44.322072] ? asm_exc_page_fault+0x1e/0x30 ffd54ce207130e7c ]--- # [ 39.220830] lkdtm: ok: SMEP did not <4>[ 44.327038] execute_location+0x45/0x56 <4>[ 44.337843] direct_entry.cold+0x2c/0x38 <4>[ 44.342513] full_proxy_write+0x53/0x80 <4>[ 44.347089] vfs_write+0xe7/0x3b0 <4>[ 44.351080] ksys_write+0x68/0xf0 <4>[ 44.355062] do_syscall_64+0x30/0x40 <4>[ 44.359344] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 44.365276] RIP: 0033:0x7ff9791e0473 <4>[ 44.369557] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 44.390834] RSP: 002b:00007fffbd2078d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 44.399584] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007ff9791e0473 <4>[ 44.407846] RDX: 000000000000000a RSI: 00007ff9790d4000 RDI: 0000000000000001 <4>[ 44.416107] RBP: 00007ff9790d4000 R08: 00007ff9790d3010 R09: 0000000000000000 <4>[ 44.424369] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 44.432631] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 get cleared # [ 39.226181] lkdtm: trying to clear SMEP with c<4>[ 44.440899] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 44.499867] CR2: 0000000000000000 <4>[ 44.503856] ---[ end trace ffd54ce207130e83 ]--- <4>[ 44.509305] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 44.513975] Code: 89 ff e8 4e e7 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 57 e9 02 <4>[ 44.535243] RSP: 0018:ffffac21c131fe60 EFLAGS: 00010286 <4>[ 44.541368] RAX: ffffffffa0379430 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 44.549622] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffffffffa137e830 <4>[ 44.557885] RBP: ffffffffa185db78 R08: 0000000000000001 R09: 0000000000000001 <4>[ 44.566148] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 44.574410] R13: ffffac21c131ff10 R14: ffffac21c131ff10 R15: ffff9efcc43c9000 <4>[ 44.582695] FS: 00007ff9792ca580(0000) GS:ffff9efd3ac80000(0000) knlGS:0000000000000000 <4>[ 44.592026] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 44.598734] CR2: ffffffffffffffd6 CR3: 0000000105fb6004 CR4: 00000000003706e0 all gadget # [ 39.238622] lkdtm: ok: SMEP removal was reverted # UNSET_SMEP: saw 'pinned CR4 bits changed:': ok ok 14 selftests: lkdtm: UNSET_SMEP.sh # selftests: lkdtm: DOUBLE_FAULT.sh # [ 39.339797] lkdtm: Performing direct entry DOUBLE_FAULT # [ 39.349635] 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 # [ 39.432565] lkdtm: Performing direct entry CORRUPT_PAC # [ 39.441954] 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 # [ 39.527837] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 39.535793] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP] ok 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP # selftests: lkdtm: OVERWRITE_ALLOCATION.sh # Skipping OVERWRITE_ALLOCATION: Corrupts memory on failure ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP # selftests: lkdtm: WRITE_AFTER_FREE.sh<6>[ 44.714225] lkdtm: Performing direct entry ACCESS_USERSPACE # Skipping WRITE_AFTER_FREE: Corrupts memory on failure ok 19<6>[ 44.725462] lkdtm: attempting bad read at 00007f44695fe000 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP # selftests: lkdt<1>[ 44.738078] BUG: unable to handle page fault for address: 00007f44695fe000 <1>[ 44.752233] #PF: supervisor read access in kernel mode <1>[ 44.758250] #PF: error_code(0x0001) - permissions violation <6>[ 44.764763] PGD 8000000105b5f067 P4D 8000000105b5f067 PUD 105dbf067 PMD 1034b6067 PTE 108de4067 <4>[ 44.774783] Oops: 0001 [#12] SMP PTI <4>[ 44.779064] CPU: 0 PID: 1794 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 44.788005] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 44.795105] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 <4>[ 44.801623] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 a8 a5 7f a1 e8 ef d7 fb ff 48 c7 c7 d0 a5 7f a1 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 d6 d7 fb ff 48 89 ee 48 c7 c7 f8 a5 7f <4>[ 44.822885] RSP: 0018:ffffac21c24efe48 EFLAGS: 00010246 <4>[ 44.829010] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 <4>[ 44.837271] RDX: 0000000000000000 RSI: ffff9efd3ac1bf70 RDI: ffffffffa17fa5d0 <4>[ 44.845531] RBP: 00007f44695fe000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 44.853792] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 <4>[ 44.862051] R13: ffffac21c24eff10 R14: ffffac21c24eff10 R15: ffff9efcc3c72000 <4>[ 44.870312] FS: 00007f44695cf580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000 <4>[ 44.879641] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 44.886347] CR2: 00007f44695fe000 CR3: 0000000102664001 CR4: 00000000003706f0 <4>[ 44.894608] Call Trace: <4>[ 44.897627] ? __die_body.cold+0x1a/0x1f <4>[ 44.902303] ? no_context+0x177/0x380 <4>[ 44.906687] ? exc_page_fault+0x53/0x170 <4>[ 44.911362] ? asm_exc_page_fault+0x1e/0x30 <4>[ 44.916326] ? lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 <4>[ 44.922167] ? lkdtm_ACCESS_USERSPACE.cold+0x35/0xa3 <4>[ 44.928002] direct_entry.cold+0x2c/0x38 <4>[ 44.932673] full_proxy_write+0x53/0x80 <4>[ 44.937250] vfs_write+0xe7/0x3b0 <4>[ 44.941246] ksys_write+0x68/0xf0 <4>[ 44.945234] do_syscall_64+0x30/0x40 <4>[ 44.949514] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 44.955437] RIP: 0033:0x7f44694e5473 <4>[ 44.959718] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 44.980993] RSP: 002b:00007ffd7c01f618 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 44.989741] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f44694e5473 <4>[ 44.998002] RDX: 0000000000000011 RSI: 00007f44693d9000 RDI: 0000000000000001 <4>[ 45.006263] RBP: 00007f44693d9000 R08: 00007f44693d8010 R09: 0000000000000000 <4>[ 45.014525] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 45.022787] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 45.031042] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 45.083812] CR2: 00007f44695fe000 <4>[ 45.087801] ---[ end trace ffd54ce207130e84 ]--- <4>[ 45.093238] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 45.097913] Code: 89 ff e8 4e e7 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 57 e9 02 <4>[ 45.119184] RSP: 0018:ffffac21c131fe60 EFLAGS: 00010286 <4>[ 45.125309] RAX: ffffffffa0379430 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 45.133559] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffffffffa137e830 <4>[ 45.141818] RBP: ffffffffa185db78 R08: 0000000000000001 R09: 0000000000000001 <4>[ 45.150079] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 45.158340] R13: ffffac21c131ff10 R14: ffffac21c131ff10 R15: ffff9efcc43c9000 <4>[ 45.166599] FS: 00007f44695cf580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000 <4>[ 45.175927] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 45.182625] CR2: 00007f44695fe000 CR3: 0000000102664001 CR4: 00000000003706f0 <3>[ 45.190884] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 45.201086] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1794, name: cat <4>[ 45.209822] INFO: lockdep is turned off. <4>[ 45.214489] irq event stamp: 0 <4>[ 45.218185] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 45.225475] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 45.234891] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 45.244317] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 45.251597] CPU: 0 PID: 1794 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 45.260535] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 45.267629] Call Trace: <4>[ 45.270649] dump_stack+0x77/0x9b <4>[ 45.274642] ___might_sleep.cold+0xa6/0xb6 <4>[ 45.279497] exit_signals+0x1c/0x300 <4>[ 45.283783] do_exit+0xc2/0xab0 <4>[ 45.287577] ? ksys_write+0x68/0xf0 <4>[ 45.291760] make_task_dead+0x2f/0x30 <4>[ 45.296135] rewind_stack_and_make_dead+0x17/0x20 <4>[ 45.301676] RIP: 0033:0x7f44694e5473 <4>[ 45.305955] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 45.327217] RSP: 002b:00007ffd7c01f618 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 45.335964] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f44694e5473 <4>[ 45.344214] RDX: 0000000000000011 RSI: 00007f44693d9000 RDI: 0000000000000001 <4>[ 45.352463] RBP: 00007f44693d9000 R08: 00007f44693d8010 R09: 0000000000000000 <4>[ 45.360722] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 45.368979] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 m: READ_AFTER_FREE.sh # [ 39.686023] lkdtm: Performing direct entry READ_AFTER_FREE # [ 39.693061] lkdtm: Value in memory before free: 12345678 # [ 39.705517] lkdtm: Attempting bad read from freed memory # [ 39.717942] 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 # [ 39.829731] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 39.841727] lkdtm: Value in memory before free: 12345678 # [ 39.854171] lkdtm: Attempting to read from freed memory # [ 39.866540] 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 # [ 39.953015] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 39.965274] 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 # [ 40.041717] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 40.051996] lkdtm: Attempting cross-cache slab free ... # SLAB_FREE_CROSS: missing 'call trace:': [FAIL] not ok 24 selftests: lkdtm: SLAB_FREE_CROSS.sh # exit=1 # selftests: lkdtm: SLAB_FREE_PAGE.sh # [ 40.134903] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 40.145233] lkdtm: Attempting non-Slab slab free ... # SLAB_FREE_PAGE: missing 'call trace:': [FAIL] not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1 # selftests: lkdtm: SOFTLOCKUP.sh # Skipping SOFTLOCKUP: Hangs the system ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP # selftests: lkdtm: HARDLOCKUP.sh # Skipping HARDLOCKUP: Hangs the system ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP # selftests: lkdtm: SPINLOCKUP.sh # Skipping SPINLOCKUP: Hangs the system ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP # selftests: lkdtm: HUNG_TASK.sh # Skipping<6>[ 45.587652] lkdtm: Performing direct entry ACCESS_NULL HUNG_TASK: Hangs the system ok 29 selftests: lkdtm: HUNG_TASK.<6>[ 45.594622] lkdtm: attempting bad read at 0000000000000000 sh # SKIP # selftests: lkdtm: EXEC_DATA.sh # Killed # [ 40.<1>[ 45.607255] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 45.621513] #PF: supervisor read access in kernel mode <1>[ 45.627531] #PF: error_code(0x0000) - not-present page <6>[ 45.633555] PGD 0 P4D 0 <4>[ 45.636662] Oops: 0000 [#13] SMP PTI <4>[ 45.640933] CPU: 0 PID: 1829 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 45.649862] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 45.656959] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 45.662496] Code: 93 d7 fb ff be 00 10 00 00 48 89 ef e8 35 65 0f ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 a8 a5 7f a1 e8 6d d7 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 d0 a5 7f a1 48 01 <4>[ 45.683756] RSP: 0018:ffffac21c254fe58 EFLAGS: 00010246 <4>[ 45.689878] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 <4>[ 45.698137] RDX: 0000000000000000 RSI: ffff9efd3ac1bf70 RDI: ffff9efd3ac1bf70 <4>[ 45.706396] RBP: ffffffffa17f9699 R08: 0000000000000000 R09: 0000000000000000 <4>[ 45.714655] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c <4>[ 45.722904] R13: ffffac21c254ff10 R14: ffffac21c254ff10 R15: ffff9efcc30ad000 <4>[ 45.731164] FS: 00007f3b188b7580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000 <4>[ 45.740482] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 45.747187] CR2: 0000000000000000 CR3: 0000000106c0c001 CR4: 00000000003706f0 <4>[ 45.755448] Call Trace: <4>[ 45.758469] ? __die_body.cold+0x1a/0x1f <4>[ 45.763135] ? no_context+0x177/0x380 <4>[ 45.767521] ? exc_page_fault+0x53/0x170 <4>[ 45.772186] ? asm_exc_page_fault+0x1e/0x30 <4>[ 45.777149] ? lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 45.782015] ? lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 45.786876] direct_entry.cold+0x2c/0x38 <4>[ 45.791546] full_proxy_write+0x53/0x80 <4>[ 45.796125] vfs_write+0xe7/0x3b0 <4>[ 45.800114] ksys_write+0x68/0xf0 <4>[ 45.804102] do_syscall_64+0x30/0x40 <4>[ 45.808372] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 45.814301] RIP: 0033:0x7f3b187cd473 <4>[ 45.818581] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 45.839853] RSP: 002b:00007ffc56be5588 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 45.848598] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f3b187cd473 <4>[ 45.856857] RDX: 000000000000000c RSI: 00007f3b186c1000 RDI: 0000000000000001 <4>[ 45.865117] RBP: 00007f3b186c1000 R08: 00007f3b186c0010 R09: 0000000000000000 <4>[ 45.873377] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 45.881637] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 45.889899] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 45.942667] CR2: 0000000000000000 <4>[ 45.946656] ---[ end trace ffd54ce207130e85 ]--- <4>[ 45.952102] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 45.956774] Code: 89 ff e8 4e e7 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 57 e9 02 <4>[ 45.978048] RSP: 0018:ffffac21c131fe60 EFLAGS: 00010286 <4>[ 45.984172] RAX: ffffffffa0379430 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 45.992431] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffffffffa137e830 <4>[ 46.000691] RBP: ffffffffa185db78 R08: 0000000000000001 R09: 0000000000000001 <4>[ 46.008950] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 46.017209] R13: ffffac21c131ff10 R14: ffffac21c131ff10 R15: ffff9efcc43c9000 <4>[ 46.025468] FS: 00007f3b188b7580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000 <4>[ 46.034796] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 46.041502] CR2: 0000000000000000 CR3: 0000000106c0c001 CR4: 00000000003706f0 343608] lkdtm: Performing direct entry EXEC_DATA # [ 40.349577] lkdtm: attempting ok execution at ffffffffa0379800 # [ 40.356434] lkdtm: attempting bad execution at ffffffffa320ebe0 # [ 40.363352] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 40.378209] BUG: unable to handle page fault for address: ffffffffa320ebe0 # [ 40.386179] #PF: supervisor instruction fetch in kernel mode # [ 40.392789] #PF: error_code(0x0011) - permissions violation # [ 40.399303] PGD 20629067 P4D 20629067 PUD 2062a063 PMD 8000000021e000e3 # [ 40.407083] Oops: 0011 [#5] SMP PTI # [ 40.411265] CPU: 3 PID: 1543 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 40.420206] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 40.427305] RIP: 0010:data_area+0x0/0x40 # [ 40.431973] Code: ff ff 00 d2 e7 c4 fc 9e ff ff 00 d1 e7 c4 fc 9e ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 40.453250] RSP: 0018:ffffac21c20d7e48 EFLAGS: 00010246 # [ 40.459375] RAX: 0000000000000033 RBX: 000000<6>[ 46.156429] lkdtm: Performing direct entry WRITE_RO <6>[ 46.167390] lkdtm: attempting bad rodata write at ffffffffa137ecb0 <1>[ 46.174601] BUG: unable to handle page fault for address: ffffffffa137ecb0 <1>[ 46.182582] #PF: supervisor write access in kernel mode 0000000001 RCX: 0000000000000000 # [ 40.467637] RDX: 00000000<1>[ 46.188711] #PF: error_code(0x0003) - permissions violation <6>[ 46.201439] PGD 20629067 P4D 20629067 PUD 2062a063 PMD 800000001fe000e1 00000000 RSI: ffff9efd3ad9bf70 RDI: ffff9efd3ad9bf70 # [ 40.4<4>[ 46.209220] Oops: 0003 [#14] SMP PTI <4>[ 46.219732] CPU: 2 PID: 1864 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 46.228676] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 46.235776] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a <4>[ 46.241029] Code: 00 48 c7 c7 88 a4 7f a1 48 c7 c6 b0 ec 37 a1 e8 17 da fb ff 48 8b 05 2f 06 97 00 ba 34 12 cd ab 48 c7 c7 b8 a4 7f a1 48 31 d0 <48> 89 05 19 06 97 00 e9 f5 d9 fb ff 0f 1f 44 00 00 48 8b 05 88 fc <4>[ 46.262298] RSP: 0018:ffffac21c25efe60 EFLAGS: 00010202 <4>[ 46.268440] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 <4>[ 46.276701] RDX: 00000000abcd1234 RSI: ffff9efd3ad1bf70 RDI: ffffffffa17fa4b8 <4>[ 46.284961] RBP: ffffffffa17f96a5 R08: 0000000000000000 R09: 0000000000000000 <4>[ 46.293221] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 <4>[ 46.301493] R13: ffffac21c25eff10 R14: ffffac21c25eff10 R15: ffff9efcc5f93000 <4>[ 46.309754] FS: 00007f263c84f580(0000) GS:ffff9efd3ad00000(0000) knlGS:0000000000000000 <4>[ 46.319084] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 46.325792] CR2: ffffffffa137ecb0 CR3: 0000000106dec002 CR4: 00000000003706e0 <4>[ 46.334055] Call Trace: <4>[ 46.337076] ? __die_body.cold+0x1a/0x1f <4>[ 46.341747] ? no_context+0x177/0x380 <4>[ 46.346127] ? exc_page_fault+0xd7/0x170 <4>[ 46.350798] ? asm_exc_page_fault+0x1e/0x30 <4>[ 46.355762] ? lkdtm_WRITE_RO+0x2e/0x3a <4>[ 46.360334] direct_entry.cold+0x2c/0x38 <4>[ 46.364997] full_proxy_write+0x53/0x80 <4>[ 46.369570] vfs_write+0xe7/0x3b0 <4>[ 46.373558] ksys_write+0x68/0xf0 <4>[ 46.377548] do_syscall_64+0x30/0x40 <4>[ 46.381829] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 46.387753] RIP: 0033:0x7f263c765473 <4>[ 46.392033] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 46.413308] RSP: 002b:00007ffca1b59408 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 46.422048] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f263c765473 <4>[ 46.430308] RDX: 0000000000000009 RSI: 00007f263c659000 RDI: 0000000000000001 <4>[ 46.438570] RBP: 00007f263c659000 R08: 00007f263c658010 R09: 0000000000000000 <4>[ 46.446832] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 46.455092] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 75899] RBP: ffffffffa320ebe0 R08: 0000000000000000 R09: 00000000<4>[ 46.463357] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 46.522354] CR2: ffffffffa137ecb0 <4>[ 46.526342] ---[ end trace ffd54ce207130e86 ]--- <4>[ 46.531789] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 46.536457] Code: 89 ff e8 4e e7 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 57 e9 02 <4>[ 46.557734] RSP: 0018:ffffac21c131fe60 EFLAGS: 00010286 <4>[ 46.563850] RAX: ffffffffa0379430 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 46.572110] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffffffffa137e830 <4>[ 46.580372] RBP: ffffffffa185db78 R08: 0000000000000001 R09: 0000000000000001 <4>[ 46.588632] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 46.596893] R13: ffffac21c131ff10 R14: ffffac21c131ff10 R15: ffff9efcc43c9000 <4>[ 46.605154] FS: 00007f263c84f580(0000) GS:ffff9efd3ad00000(0000) knlGS:0000000000000000 <4>[ 46.614496] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 46.621202] CR2: ffffffffa137ecb0 CR3: 0000000106dec002 CR4: 00000000003706e0 <3>[ 46.629464] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 46.639687] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1864, name: cat <4>[ 46.648440] INFO: lockdep is turned off. <4>[ 46.653107] irq event stamp: 0 <4>[ 46.656803] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 46.664094] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 46.673522] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 46.682947] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 46.690237] CPU: 2 PID: 1864 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 46.699177] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 46.706272] Call Trace: <4>[ 46.709292] dump_stack+0x77/0x9b <4>[ 46.713282] ___might_sleep.cold+0xa6/0xb6 <4>[ 46.718147] exit_signals+0x1c/0x300 <4>[ 46.722441] do_exit+0xc2/0xab0 <4>[ 46.726238] ? ksys_write+0x68/0xf0 <4>[ 46.730440] make_task_dead+0x2f/0x30 00000000 # [ 40.484161] R10: 00000000ffffe000 R11: 3fffffffff<4>[ 46.734819] rewind_stack_and_make_dead+0x17/0x20 <4>[ 46.746572] RIP: 0033:0x7f263c765473 <4>[ 46.750851] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 46.772126] RSP: 002b:00007ffca1b59408 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 46.780865] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f263c765473 <4>[ 46.789125] RDX: 0000000000000009 RSI: 00007f263c659000 RDI: 0000000000000001 <4>[ 46.797387] RBP: 00007f263c659000 R08: 00007f263c658010 R09: 0000000000000000 <4>[ 46.805647] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 46.813908] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ffffff R12: 000000000000000a # [ 40.492440] R13: ffffac21c20d7f10 R14: ffffac21c20d7f10 R15: ffff9efcc5ae2000 # [ 40.500701] FS: 00007fcba2cc3580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000 # [ 40.510031] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 40.516739] CR2: ffffffffa320ebe0 CR3: 0000000103cb4002 CR4: 00000000003706e0 # [ 40.524999] Call Trace: # [ 40.528020] ? __die_body.cold+0x1a/0x1f # [ 40.532691] ? no_context+0x177/0x380 # [ 40.537072] ? exc_page_fault+0xd7/0x170 # [ 40.541741] ? asm_exc_page_fault+0x1e/0x30 # [ 40.546705] ? execute_location+0x45/0x56 # [ 40.551471] ? direct_entry.cold+0x2c/0x38 # [ 40.556337] ? full_proxy_write+0x53/0x80 # [ 40.561104] ? vfs_write+0xe7/0x3b0 # [ 40.565278] ? ksys_write+0x68/0xf0 # [ 40.569462] ? do_syscall_64+0x30/0x40 # [ 40.573936] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 40.580064] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 40.632858] CR2: ffffffffa320ebe0 # [ 40.643058] ---[ end trace ffd54ce207130e7d ]--- # [ 40.648505] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 40.653173] Code: 89 ff e8 4e e7 79 ff 48 c7 c0 ea ff ff ff <6>[ 46.979538] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff e<6>[ 46.990618] lkdtm: attempting bad ro_after_init write at ffffffffa187e330 b c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 <1>[ 47.004748] BUG: unable to handle page fault for address: ffffffffa187e330 <1>[ 47.018887] #PF: supervisor write access in kernel mode <1>[ 47.025004] #PF: error_code(0x0003) - permissions violation <6>[ 47.031516] PGD 20629067 P4D 20629067 PUD 2062a063 PMD 105231063 PTE 800000002047e061 <4>[ 47.040563] Oops: 0003 [#15] SMP PTI <4>[ 47.044844] CPU: 0 PID: 1899 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 47.053785] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 47.060886] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a <4>[ 47.067203] Code: a4 7f a1 e9 c9 d9 fb ff 48 c7 c7 10 a5 7f a1 e8 bd d9 fb ff 48 8b 05 55 fc e6 00 ba 34 12 cd ab 48 c7 c7 b8 a4 7f a1 48 31 d0 <48> 89 05 3f fc e6 00 e9 9b d9 fb ff 0f 1f 44 00 00 41 54 48 c7 c7 <4>[ 47.088489] RSP: 0018:ffffac21c267fe60 EFLAGS: 00010202 <4>[ 47.094615] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 <4>[ 47.102876] RDX: 00000000abcd1234 RSI: ffff9efd3ac1bf70 RDI: ffffffffa17fa4b8 <4>[ 47.111138] RBP: ffffffffa17f96ae R08: 0000000000000000 R09: 0000000000000000 <4>[ 47.119398] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 <4>[ 47.127659] R13: ffffac21c267ff10 R14: ffffac21c267ff10 R15: ffff9efcc5f71000 <4>[ 47.135921] FS: 00007f8dd035b580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000 <4>[ 47.145250] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 47.151957] CR2: ffffffffa187e330 CR3: 0000000103b92004 CR4: 00000000003706f0 <4>[ 47.160219] Call Trace: <4>[ 47.163239] ? __die_body.cold+0x1a/0x1f <4>[ 47.167914] ? no_context+0x177/0x380 <4>[ 47.172301] ? exc_page_fault+0xd7/0x170 <4>[ 47.176978] ? asm_exc_page_fault+0x1e/0x30 <4>[ 47.181941] ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a <4>[ 47.187587] direct_entry.cold+0x2c/0x38 <4>[ 47.192257] full_proxy_write+0x53/0x80 <4>[ 47.196837] vfs_write+0xe7/0x3b0 <4>[ 47.200827] ksys_write+0x68/0xf0 <4>[ 47.204817] do_syscall_64+0x30/0x40 <4>[ 47.209088] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 47.215011] RIP: 0033:0x7f8dd0271473 <4>[ 47.219281] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 47.240558] RSP: 002b:00007ffecf6b62d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 47.249305] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f8dd0271473 <4>[ 47.257565] RDX: 0000000000000014 RSI: 00007f8dd0165000 RDI: 0000000000000001 <4>[ 47.265827] RBP: 00007f8dd0165000 R08: 00007f8dd0164010 R09: 0000000000000000 <4>[ 47.274090] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 47.282352] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 47.290617] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 47.343396] CR2: ffffffffa187e330 <4>[ 47.347385] ---[ end trace ffd54ce207130e87 ]--- <4>[ 47.352833] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 47.357500] Code: 89 ff e8 4e e7 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 57 e9 02 <4>[ 47.378778] RSP: 0018:ffffac21c131fe60 EFLAGS: 00010286 <4>[ 47.384904] RAX: ffffffffa0379430 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 47.393165] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffffffffa137e830 <4>[ 47.401437] RBP: ffffffffa185db78 R08: 0000000000000001 R09: 0000000000000001 <4>[ 47.409699] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 47.417961] R13: ffffac21c131ff10 R14: ffffac21c131ff10 R15: ffff9efcc43c9000 <4>[ 47.426224] FS: 00007f8dd035b580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000 <4>[ 47.435555] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 47.442263] CR2: ffffffffa187e330 CR3: 0000000103b92004 CR4: 00000000003706f0 00 00 83 05 60 57 e9 02 # [ 40.674447] RSP: 0018:ffffac21c131fe60 EFLAGS: 00010286 # [ 40.680573] RAX: ffffffffa0379430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 40.688835] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffffffffa137e830 # [ 40.697097] RBP: ffffffffa185db78 R08: 0000000000000001 R09: 0000000000000001 # [ 40.705356] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 40.713617] R13: ffffac21c131ff10 R14: ffffac21c131ff10 R15: ffff9efcc43c9000 # [ 40.721877] FS: 00007fcba2cc3580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000 # [ 40.731205] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 40.737911] CR2: ffffffffa320ebe0 CR3: 0000000103cb4002 CR4: 00000000003706e0 # [ 40.746173] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 40.756374] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1543, name: cat # [ 40.765121] INFO: lockdep is turned off. # [ 40.769787] irq event stamp: 0 # [ 40.773491] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 40.780781] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 40.790208<6>[ 47.565145] lkdtm: Performing direct entry WRITE_KERN <6>[ 47.574579] lkdtm: attempting bad 6901243 byte write at ffffffffa0a0e5fb <1>[ 47.582389] BUG: unable to handle page fault for address: ffffffffa0a0e5fb <1>[ 47.590372] #PF: supervisor write access in kernel mode ] softirqs last enabled at (0): [] copy_proce<1>[ 47.596505] #PF: error_code(0x0003) - permissions violation <6>[ 47.609230] PGD 20629067 P4D 20629067 PUD 2062a063 PMD 1f6000e1 ss+0x664/0x1c60 # [ 40.799634] softirqs last disabled at (0):<4>[ 47.616235] Oops: 0003 [#16] SMP PTI <4>[ 47.626728] CPU: 3 PID: 1934 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 47.635670] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 47.642769] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e <4>[ 47.648215] Code: 53 48 c7 c3 fb e5 a0 a0 49 89 dc 48 89 da 49 81 ec 00 98 37 a0 4c 89 e6 e8 70 d9 fb ff 48 89 df 4c 89 e1 48 c7 c6 00 98 37 a0 a4 48 c7 c7 b8 a4 7f a1 e8 55 d9 fb ff 5b 41 5c e9 b7 fe ff ff <4>[ 47.669490] RSP: 0018:ffffac21c2707e50 EFLAGS: 00010246 <4>[ 47.675616] RAX: 000000000000003c RBX: ffffffffa0a0e5fb RCX: 0000000000694dfb <4>[ 47.683877] RDX: 0000000000000000 RSI: ffffffffa0379800 RDI: ffffffffa0a0e5fb <4>[ 47.692129] RBP: ffffffffa17f96c2 R08: 0000000000000000 R09: 0000000000000000 <4>[ 47.700390] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000694dfb <4>[ 47.708652] R13: ffffac21c2707f10 R14: ffffac21c2707f10 R15: ffff9efcc5a8d000 <4>[ 47.716913] FS: 00007fecdf6d2580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000 <4>[ 47.726243] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 47.732949] CR2: ffffffffa0a0e5fb CR3: 0000000102874001 CR4: 00000000003706e0 <4>[ 47.741211] Call Trace: <4>[ 47.744232] ? __die_body.cold+0x1a/0x1f <4>[ 47.748902] ? no_context+0x177/0x380 <4>[ 47.753281] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 47.759020] ? exc_page_fault+0xd7/0x170 <4>[ 47.763682] ? asm_exc_page_fault+0x1e/0x30 <4>[ 47.768643] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 47.774380] ? lkdtm_SLAB_FREE_PAGE+0x40/0x40 <4>[ 47.779525] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 47.785264] ? lkdtm_WRITE_KERN+0x38/0x4e <4>[ 47.790031] direct_entry.cold+0x2c/0x38 <4>[ 47.794702] full_proxy_write+0x53/0x80 <4>[ 47.799276] vfs_write+0xe7/0x3b0 <4>[ 47.803266] ksys_write+0x68/0xf0 <4>[ 47.807255] do_syscall_64+0x30/0x40 <4>[ 47.811535] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 47.817480] RIP: 0033:0x7fecdf5e8473 <4>[ 47.821791] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 47.843068] RSP: 002b:00007ffdaed42fd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 47.851809] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fecdf5e8473 <4>[ 47.860071] RDX: 000000000000000b RSI: 00007fecdf4dc000 RDI: 0000000000000001 <4>[ 47.868333] RBP: 00007fecdf4dc000 R08: 00007fecdf4db010 R09: 0000000000000000 <4>[ 47.876593] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 47.884854] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [<0000000000000000>] 0x0 # [ 40.806925] CPU: 3 PID: 1543 Com<4>[ 47.893119] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 47.952115] CR2: ffffffffa0a0e5fb <4>[ 47.956103] ---[ end trace ffd54ce207130e88 ]--- <4>[ 47.961549] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 47.966218] Code: 89 ff e8 4e e7 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 57 e9 02 <4>[ 47.987492] RSP: 0018:ffffac21c131fe60 EFLAGS: 00010286 <4>[ 47.993615] RAX: ffffffffa0379430 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 48.001877] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffffffffa137e830 <4>[ 48.010138] RBP: ffffffffa185db78 R08: 0000000000000001 R09: 0000000000000001 <4>[ 48.018398] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 48.026659] R13: ffffac21c131ff10 R14: ffffac21c131ff10 R15: ffff9efcc43c9000 <4>[ 48.034921] FS: 00007fecdf6d2580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000 <4>[ 48.044250] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 48.050957] CR2: ffffffffa0a0e5fb CR3: 0000000102874001 CR4: 00000000003706e0 <3>[ 48.059220] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 48.069438] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1934, name: cat <4>[ 48.078186] INFO: lockdep is turned off. <4>[ 48.082854] irq event stamp: 0 <4>[ 48.086551] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 48.093842] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 48.103262] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 48.112680] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 48.119970] CPU: 3 PID: 1934 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 48.128909] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 48.136004] Call Trace: <4>[ 48.139020] dump_stack+0x77/0x9b <4>[ 48.143010] ___might_sleep.cold+0xa6/0xb6 <4>[ 48.147877] exit_signals+0x1c/0x300 <4>[ 48.152189] do_exit+0xc2/0xab0 <4>[ 48.155983] ? ksys_write+0x68/0xf0 <4>[ 48.160167] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 48.165904] make_task_dead+0x2f/0x30 <4>[ 48.170282] rewind_stack_and_make_dead+0x17/0x20 <4>[ 48.175823] RIP: 0033:0x7fecdf5e8473 <4>[ 48.180102] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 48.201380] RSP: 002b:00007ffdaed42fd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 48.210128] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fecdf5e8473 <4>[ 48.218388] RDX: 000000000000000b RSI: 00007fecdf4dc000 RDI: 0000000000000001 <4>[ 48.226649] RBP: 00007fecdf4dc000 R08: 00007fecdf4db010 R09: 0000000000000000 <4>[ 48.234911] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 48.243174] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 m: cat Tainted: G D W 5.10.181-cip34 #1 # [ 40.815858] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 40.822953] Call Trace: # [ 40.825972] dump_stack+0x77/0x9b # [ 40.829960] ___might_sleep.cold+0xa6/0xb6 # [ 40.834824] exit_signals+0x1c/0x300 # [ 40.839105] do_exit+0xc2/0xab0 # [ 40.842901] ? ksys_write+0x68/0xf0 # [ 40.847083] make_task_dead+0x2f/0x30 # [ 40.851452] rewind_stack_and_make_dead+0x17/0x20 # [ 40.856986] RIP: 0033:0x7fcba2bd9473 # [ 40.861266] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 40.882534] RSP: 002b:00007ffc0e44a7d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 40.891282] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fcba2bd9473 # [ 40.899542] RDX: 000000000000000a RSI: 00007fcba2acd000 RDI: 0000000000000001 # [ 40.907802] RBP: 00007fcba2acd000 R08: 00007fcba2acc010 R09: 0000000000000000 # [ 40.916063] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 40.924325] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_DATA: saw 'call trace:': ok ok 30 selftests: lkdtm: EXEC_DATA.sh # selftests: lkdtm: EXEC_STACK.s<6>[ 48.376740] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW <6>[ 48.388967] lkdtm: attempting good refcount_inc() without overflow <6>[ 48.396190] lkdtm: attempting bad refcount_inc() overflow <4>[ 48.402525] ------------[ cut here ]------------ <4>[ 48.407980] refcount_t: saturated; leaking memory. <4>[ 48.413653] WARNING: CPU: 3 PID: 1969 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 h # Killed # [ 41.033926] lkdtm: Performing direct entry EXE<4>[ 48.423383] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 48.482348] CPU: 3 PID: 1969 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 48.491324] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 48.498450] RIP: 0010:refcount_warn_saturate+0x51/0x110 C_STACK # [ 41.044232] lkdtm: attempting ok execution at ffff<4>[ 48.504586] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 31 f3 f6 01 00 75 ee 48 c7 c7 68 46 75 a1 c6 05 21 f3 f6 01 01 e8 26 fe c0 00 <0f> 0b c3 cc cc cc cc 80 3d 0d f3 f6 01 00 75 cb 48 c7 c7 90 46 75 ffffa0379800 # [ 41.051071] lkdtm: attempting bad execution a<4>[ 48.532079] RSP: 0018:ffffac21c27a7e48 EFLAGS: 00010286 t ffffac21c2167e18 # [ 41.057979] kernel tried to execute NX-<4>[ 48.544421] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 protected page - exploit attempt? (uid: 0) # [ 41.066660] BUG<4>[ 48.558902] RDX: ffff9efd3adac660 RSI: ffff9efd3ad9bf70 RDI: ffff9efd3ad9bf70 <4>[ 48.573382] RBP: ffffffffa17f96cd R08: 0000000000000000 R09: 0000000000000000 <4>[ 48.581646] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 <4>[ 48.589912] R13: ffffac21c27a7f10 R14: ffffac21c27a7f10 R15: ffff9efcc5d9d000 <4>[ 48.598179] FS: 00007f39dbfea580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000 <4>[ 48.607534] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 : unable to handle page fault for address: ffffac21c2167e18 # [<4>[ 48.614259] CR2: 00007f39dbdf4000 CR3: 0000000102ae6002 CR4: 00000000003706e0 <4>[ 48.628730] Call Trace: <4>[ 48.631755] ? __warn+0x80/0x110 <4>[ 48.635680] ? refcount_warn_saturate+0x51/0x110 <4>[ 48.641131] ? report_bug+0x9e/0xc0 <4>[ 48.645317] ? handle_bug+0x41/0x90 <4>[ 48.649504] ? exc_invalid_op+0x14/0x70 <4>[ 48.654079] ? asm_exc_invalid_op+0x12/0x20 <4>[ 48.659045] ? refcount_warn_saturate+0x51/0x110 <4>[ 48.664525] ? refcount_warn_saturate+0x51/0x110 <4>[ 48.669975] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 <4>[ 48.675619] direct_entry.cold+0x2c/0x38 <4>[ 48.680294] full_proxy_write+0x53/0x80 <4>[ 48.684893] vfs_write+0xe7/0x3b0 <4>[ 48.688885] ksys_write+0x68/0xf0 <4>[ 48.692878] do_syscall_64+0x30/0x40 <4>[ 48.697162] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 48.703096] RIP: 0033:0x7f39dbf00473 <4>[ 48.707380] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 48.728660] RSP: 002b:00007ffca36a7a48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 48.737428] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f39dbf00473 41.074630] #PF: supervisor instruction fetch in kernel mode <4>[ 48.745703] RDX: 0000000000000016 RSI: 00007f39dbdf4000 RDI: 0000000000000001 <4>[ 48.760180] RBP: 00007f39dbdf4000 R08: 00007f39dbdf3010 R09: 0000000000000000 <4>[ 48.768445] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 48.776711] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 48.784979] irq event stamp: 0 <4>[ 48.788703] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 48.795996] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 48.805441] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 41.081232] #PF: error_code(0x0011) - permissions violation<4>[ 48.814874] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 48.828380] ---[ end trace ffd54ce207130e89 ]--- # [ 41.087745] PGD 100000067 P4D 100000067 PUD 100231067 PMD<6>[ 48.833831] lkdtm: Overflow detected: saturated 102657067 PTE 8000000106f54063 # [ 41.103298] Oops: 0011 [#6] SMP PTI # [ 41.107481] CPU: 3 PID: 1579 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 41.116440] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 41.123529] RIP: 0010:0xffffac21c2167e18 # [ 41.128198] Code: 00 00 18 7e 16 c2 21 ac ff ff 51 e6 a0 a0 ff ff ff ff 20 00 00 00 00 00 00 00 3e 96 7f a1 ff ff ff ff 80 e7 a0 a0 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 41.149462] RSP: 0018:ffffac21c2167df8 EFLAGS: 00010246 # [ 41.155586] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 41.163847] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffff9efd3ad9bf70 # [ 41.172105] RBP: ffffac21c2167e18 R08: 0000000000000000 R09: 0000000000000000 # [ 41.180366] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 41.188626] R13: ffffac21c2167f10 R14: ffffac21c2167f10 R15: ffff9efcc2a0c000 # [ 41.196887] FS: 00007fb5f9e1d580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000 # [ 41.206216] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 41.212922] CR2: ffffac21c2167e18 CR3: 0000000106e58003 CR4: 00000000003706e0 # [ 41.221183] Call Trace: # [ 41.224203] ? __die_body.cold+0x1a/0x1f # [ 41.228873] ? no_context+0x177/0x380 # [ 41.233252] ? exc_page_fault+0xd7/0x170 # [ 41.237923] ? asm_exc_page_fault+0x1e/0x30 # [ 41.242887] ? execute_location+0x45/0x56 # [ 41.247654] ? lkdtm_EXEC_STACK+0<6>[ 48.992762] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW <6>[ 49.001576] lkdtm: attempting good refcount_add() without overflow <6>[ 49.008798] lkdtm: attempting bad refcount_add() overflow <4>[ 49.015137] ------------[ cut here ]------------ <4>[ 49.020594] refcount_t: saturated; leaking memory. <4>[ 49.026248] WARNING: CPU: 3 PID: 2001 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 x26/0x44 # [ 41.252436] ? direct_entry.cold+0x2c/0x38 # [ <4>[ 49.035974] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 49.094974] CPU: 3 PID: 2001 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 49.103949] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 49.111049] RIP: 0010:refcount_warn_saturate+0x51/0x110 <4>[ 49.117179] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 31 f3 f6 01 00 75 ee 48 c7 c7 68 46 75 a1 c6 05 21 f3 f6 01 01 e8 26 fe c0 00 <0f> 0b c3 cc cc cc cc 80 3d 0d f3 f6 01 00 75 cb 48 c7 c7 90 46 75 <4>[ 49.138460] RSP: 0018:ffffac21c2817e48 EFLAGS: 00010286 <4>[ 49.144595] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 <4>[ 49.152861] RDX: ffff9efd3adac660 RSI: ffff9efd3ad9bf70 RDI: ffff9efd3ad9bf70 <4>[ 49.161126] RBP: ffffffffa17f96e3 R08: 0000000000000000 R09: 0000000000000000 <4>[ 49.169391] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 <4>[ 49.177656] R13: ffffac21c2817f10 R14: ffffac21c2817f10 R15: ffff9efcc6cf2000 <4>[ 49.185920] FS: 00007fc3d32b6580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000 <4>[ 49.195252] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 49.201962] CR2: 00007fc3d30c0000 CR3: 0000000105b40005 CR4: 00000000003706e0 <4>[ 49.210227] Call Trace: <4>[ 49.213251] ? __warn+0x80/0x110 41.257310] ? full_proxy_write+0x53/0x80 # [ 41.268289] ? v<4>[ 49.217172] ? refcount_warn_saturate+0x51/0x110 <4>[ 49.228830] ? report_bug+0x9e/0xc0 <4>[ 49.233018] ? handle_bug+0x41/0x90 <4>[ 49.237202] ? exc_invalid_op+0x14/0x70 <4>[ 49.241777] ? asm_exc_invalid_op+0x12/0x20 <4>[ 49.246743] ? refcount_warn_saturate+0x51/0x110 <4>[ 49.252221] ? refcount_warn_saturate+0x51/0x110 <4>[ 49.257669] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 <4>[ 49.263312] direct_entry.cold+0x2c/0x38 <4>[ 49.267985] full_proxy_write+0x53/0x80 <4>[ 49.272560] vfs_write+0xe7/0x3b0 <4>[ 49.276553] ksys_write+0x68/0xf0 <4>[ 49.280544] do_syscall_64+0x30/0x40 <4>[ 49.284827] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 49.290762] RIP: 0033:0x7fc3d31cc473 <4>[ 49.295044] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 49.316324] RSP: 002b:00007ffd94938838 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 49.325076] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fc3d31cc473 <4>[ 49.333341] RDX: 0000000000000016 RSI: 00007fc3d30c0000 RDI: 0000000000000001 <4>[ 49.341605] RBP: 00007fc3d30c0000 R08: 00007fc3d30bf010 R09: 0000000000000000 <4>[ 49.349860] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 49.358126] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 49.366394] irq event stamp: 0 <4>[ 49.370118] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 49.377429] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 fs_write+0xe7/0x3b0 # [ 41.272473] ? ksys_write+0x68/0xf0 #<4>[ 49.386870] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 49.402512] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 41.276676] ? do_syscall_64+0x30/0x40 # [ 41.281142] ? <4>[ 49.409806] ---[ end trace ffd54ce207130e8a ]--- entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 41.287269] Modul<6>[ 49.421473] lkdtm: Overflow detected: saturated es linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 41.346268] CR2: ffffac21c2167e18 # [ 41.350255] ---[ end trace ffd54ce207130e7e ]--- # [ 41.355703] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 41.360370] Code: 89 ff e8 4e e7 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 57 e9 02 # [ 41.381646] RSP: 0018:ffffac21c131fe60 EFLAGS: 00010286 # [ 41.387773] RAX: ffffffffa0379430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 41.396035] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffffffffa137e830 # [ 41.404297] RBP: ffffffffa185db78 R08<6>[ 49.540794] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW : 0000000000000001 R09: 0000000000000001 # [ 41.412558] R10: <6>[ 49.552799] lkdtm: attempting bad refcount_inc_not_zero() overflow 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # <4>[ 49.566214] ------------[ cut here ]------------ <4>[ 49.577875] refcount_t: saturated; leaking memory. [ 41.420818] R13: ffffac21c131ff10 R14: ffffac21c131ff10 R15: <4>[ 49.583551] WARNING: CPU: 1 PID: 2033 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 ffff9efcc43c9000 # [ 41.429081] FS: 00007fb5f9e1d580(0000) G<4>[ 49.599456] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table S:ffff9efd3ad80000(0000) knlGS:0000000000000000 # [ 41.438411<4>[ 49.658426] CPU: 1 PID: 2033 Comm: cat Tainted: G D W 5.10.181-cip34 #1 ] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 41.44<4>[ 49.673588] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 5118] CR2: ffffac21c2167e18 CR3: 0000000106e58003 CR4: 000000000<4>[ 49.686908] RIP: 0010:refcount_warn_saturate+0x97/0x110 03706e0 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: l<4>[ 49.699253] Code: 01 01 e8 03 fe c0 00 0f 0b c3 cc cc cc cc 80 3d ec f2 f6 01 00 75 a8 48 c7 c7 68 46 75 a1 c6 05 dc f2 f6 01 01 e8 e0 fd c0 00 <0f> 0b c3 cc cc cc cc 80 3d c6 f2 f6 01 00 75 85 48 c7 c7 c0 46 75 kdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Kill<4>[ 49.726754] RSP: 0018:ffffac21c28c7e38 EFLAGS: 00010282 ed # [ 41.553664] lkdtm: Performing direct entry EXEC_KMALLOC<4>[ 49.739105] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 41.565228] lkdtm: attempting ok execution at ffffffffa03<4>[ 49.753585] RDX: ffff9efd3acac660 RSI: ffff9efd3ac9bf70 RDI: ffff9efd3ac9bf70 79800 # [ 41.572077] lkdtm: attempting bad execution at ffff9<4>[ 49.768063] RBP: ffffffffa17f9320 R08: 0000000000000000 R09: 0000000000000000 efcc50b1680 # [ 41.579011] kernel tried to execute NX-protect<4>[ 49.782548] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f ed page - exploit attempt? (uid: 0) # [ 41.587669] BUG: unabl<4>[ 49.797032] R13: ffffac21c28c7f10 R14: ffffac21c28c7f10 R15: ffff9efcc6eda000 e to handle page fault for address: ffff9efcc50b1680 # [ 41.5<4>[ 49.811517] FS: 00007f7764bed580(0000) GS:ffff9efd3ac80000(0000) knlGS:0000000000000000 95637] #PF: supervisor instruction fetch in kernel mode # [ 4<4>[ 49.827069] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 1.602244] #PF: error_code(0x0011) - permissions violation # [ <4>[ 49.839998] CR2: 00007f77649f7000 CR3: 00000001030a8003 CR4: 00000000003706e0 41.608755] PGD 22001067 P4D 22001067 PUD 100870063 PMD 1050d706<4>[ 49.854490] Call Trace: 3 PTE 80000001050b1063 # [ 41.617893] Oops: 0011 [#7] SMP PTI<4>[ 49.863735] ? __warn+0x80/0x110 # [ 41.622068] CPU: 3 PID: 1615 Comm: cat Tainted: G D <4>[ 49.873842] ? refcount_warn_saturate+0x97/0x110 W 5.10.181-cip34 #1 # [ 41.631010] Hardware name: Goo<4>[ 49.885510] ? report_bug+0x9e/0xc0 gle Rammus/Rammus, BIOS 09/04/2020 # [ 41.638098] RIP: 0010:<4>[ 49.895914] ? handle_bug+0x41/0x90 0xffff9efcc50b1680 # [ 41.642766] Code: 00 00 02 00 00 00 00 <4>[ 49.906315] ? exc_invalid_op+0x14/0x70 00 00 00 c0 1f 0b c5 fc 9e ff ff 04 00 00 00 00 00 00 00 00 00 0<4>[ 49.917108] ? asm_exc_invalid_op+0x12/0x20 0 00 00 00 00 00 fb ef 8f 9f ff ff ff ff <0f> 1f 44 00 00 c3 cc <4>[ 49.928291] ? refcount_warn_saturate+0x97/0x110 cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 41.664040] R<4>[ 49.939953] ? refcount_warn_saturate+0x97/0x110 SP: 0018:ffffac21c2047e38 EFLAGS: 00010246 # [ 41.670165] RAX<4>[ 49.951620] __refcount_add_not_zero.constprop.0+0x2a/0x35 : 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 49.964260] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 41.678449] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI<4>[ 49.976994] direct_entry.cold+0x2c/0x38 : ffff9efd3ad9bf70 # [ 41.686710] RBP: ffff9efcc50b1680 R08: <4>[ 49.987883] full_proxy_write+0x53/0x80 0000000000000000 R09: 0000000000000000 # [ 41.694969] R10: 00<4>[ 49.998674] vfs_write+0xe7/0x3b0 000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ <4>[ 50.008882] ksys_write+0x68/0xf0 41.703227] R13: ffffac21c2047f10 R14: ffffac21c2047f10 R15: ff<4>[ 50.019090] do_syscall_64+0x30/0x40 ff9efcc32d6000 # [ 41.711493] FS: 00007f0a720d5580(0000) GS:<4>[ 50.029591] entry_SYSCALL_64_after_hwframe+0x61/0xc6 ffff9efd3ad80000(0000) knlGS:0000000000000000 # [ 41.720821] <4>[ 50.041743] RIP: 0033:0x7f7764b03473 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 41.7275<4>[ 50.052239] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 28] CR2: ffff9efcc50b1680 CR3: 0000000103484005 CR4: 00000000003<4>[ 50.079737] RSP: 002b:00007ffe7e5b2d88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 706e0 # [ 41.735780] Call Trace: # [ 41.738799] ? __die_b<4>[ 50.094705] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f7764b03473 ody.cold+0x1a/0x1f # [ 41.743481] ? no_context+0x177/0x380 <4>[ 50.109187] RDX: 000000000000001f RSI: 00007f77649f7000 RDI: 0000000000000001 # [ 41.747893] ? exc_page_fault+0xd7/0x170 # [ 41.752563] <4>[ 50.123670] RBP: 00007f77649f7000 R08: 00007f77649f6010 R09: 0000000000000000 ? asm_exc_page_fault+0x1e/0x30 # [ 41.757526] ? execute_loc<4>[ 50.138152] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 ation+0x45/0x56 # [ 41.762292] ? lkdtm_EXEC_KMALLOC+0x2c/0x4<4>[ 50.152635] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0 # [ 41.767251] ? direct_entry.cold+0x2c/0x38 # [ 41.772<4>[ 50.167120] irq event stamp: 0 114] ? full_proxy_write+0x53/0x80 # [ 41.776881] ? vfs_writ<4>[ 50.177031] hardirqs last enabled at (0): [<0000000000000000>] 0x0 e+0xe7/0x3b0 # [ 41.781063] ? ksys_write+0x68/0xf0 # [ 41<4>[ 50.190544] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 .785246] ? do_syscall_64+0x30/0x40 # [ 41.789712] ? entry_S<4>[ 50.206191] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 YSCALL_64_after_hwframe+0x61/0xc6 # [ 41.795841] Modules link<4>[ 50.221836] softirqs last disabled at (0): [<0000000000000000>] 0x0 ed in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_<4>[ 50.235345] ---[ end trace ffd54ce207130e8b ]--- sensors_core industrialio_triggered_buffer kfifo_buf industriali<6>[ 50.247011] lkdtm: Overflow detected: saturated o snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 41.854791] CR2: ffff9efcc50b1680 # [ 41.858780] ---[ end trace ffd54ce207130e7f ]--- # [ 41.864226] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 41.868893] Code: 89 ff e8 4e e7 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 57 e9 02 # [ 41.890157] RSP: 0018:ffffac21c131fe60 EFLAGS: 00010286 # [ 41.896281] RAX: ffffffffa0379430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 41.904541] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffffffffa137e830 # [ 41.912801] RBP: ffffffffa185db78 R08: 0000000000000001 R09: 0000000000000001 # [ 41.921062] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 41.<6>[ 50.365353] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW <6>[ 50.378332] lkdtm: attempting bad refcount_add_not_zero() overflow <4>[ 50.385556] ------------[ cut here ]------------ <4>[ 50.391018] refcount_t: saturated; leaking memory. <4>[ 50.396686] WARNING: CPU: 2 PID: 2065 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 <4>[ 50.406416] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table 929322] R13: ffffac21c131ff10 R14: ffffac21c131ff10 R15: ffff9ef<4>[ 50.459202] CPU: 2 PID: 2065 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 50.474356] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 50.481459] RIP: 0010:refcount_warn_saturate+0x97/0x110 <4>[ 50.487588] Code: 01 01 e8 03 fe c0 00 0f 0b c3 cc cc cc cc 80 3d ec f2 f6 01 00 75 a8 48 c7 c7 68 46 75 a1 c6 05 dc f2 f6 01 01 e8 e0 fd c0 00 <0f> 0b c3 cc cc cc cc 80 3d c6 f2 f6 01 00 75 85 48 c7 c7 c0 46 75 <4>[ 50.508870] RSP: 0018:ffffac21c2927e38 EFLAGS: 00010282 cc43c9000 # [ 41.937581] FS: 00007f0a720d5580(0000) GS:ffff9<4>[ 50.515000] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 <4>[ 50.529499] RDX: ffff9efd3ad2c660 RSI: ffff9efd3ad1bf70 RDI: ffff9efd3ad1bf70 <4>[ 50.537794] RBP: ffffffffa17f9340 R08: 0000000000000000 R09: 0000000000000000 <4>[ 50.546057] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f <4>[ 50.554323] R13: ffffac21c2927f10 R14: ffffac21c2927f10 R15: ffff9efcc6e61000 <4>[ 50.562588] FS: 00007fc98e3a4580(0000) GS:ffff9efd3ad00000(0000) knlGS:0000000000000000 <4>[ 50.571925] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 efd3ad80000(0000) knlGS:0000000000000000 # [ 41.946909] CS: <4>[ 50.578663] CR2: 00007fc98e1ae000 CR3: 0000000105a6c005 CR4: 00000000003706e0 <4>[ 50.593138] Call Trace: <4>[ 50.596163] ? __warn+0x80/0x110 <4>[ 50.600088] ? refcount_warn_saturate+0x97/0x110 <4>[ 50.605536] ? report_bug+0x9e/0xc0 <4>[ 50.609724] ? handle_bug+0x41/0x90 <4>[ 50.613909] ? exc_invalid_op+0x14/0x70 <4>[ 50.618491] ? asm_exc_invalid_op+0x12/0x20 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 41.953614] C<4>[ 50.623450] ? refcount_warn_saturate+0x97/0x110 <4>[ 50.635115] ? refcount_warn_saturate+0x97/0x110 <4>[ 50.640564] __refcount_add_not_zero.constprop.0+0x2a/0x35 <4>[ 50.646983] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 <4>[ 50.653500] direct_entry.cold+0x2c/0x38 <4>[ 50.658172] full_proxy_write+0x53/0x80 <4>[ 50.662748] vfs_write+0xe7/0x3b0 <4>[ 50.666738] ksys_write+0x68/0xf0 <4>[ 50.670730] do_syscall_64+0x30/0x40 <4>[ 50.675013] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 50.680946] RIP: 0033:0x7fc98e2ba473 <4>[ 50.685230] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 50.706511] RSP: 002b:00007ffdcaeeedf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 50.715261] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fc98e2ba473 <4>[ 50.723515] RDX: 000000000000001f RSI: 00007fc98e1ae000 RDI: 0000000000000001 <4>[ 50.731770] RBP: 00007fc98e1ae000 R08: 00007fc98e1ad010 R09: 0000000000000000 <4>[ 50.740034] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 50.748297] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 50.756556] irq event stamp: 0 <4>[ 50.760279] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 50.767573] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 50.777002] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 R2: ffff9efcc50b1680 CR3: 0000000103484005 CR4: 00000000003706e0<4>[ 50.786433] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 41.961873] BUG: sleeping function called from invalid co<4>[ 50.799943] ---[ end trace ffd54ce207130e8c ]--- <6>[ 50.811611] lkdtm: Overflow detected: saturated ntext at include/linux/percpu-rwsem.h:49 # [ 41.972075] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1615, name: cat # [ 41.980820] INFO: lockdep is turned off. # [ 41.985487] irq event stamp: 0 # [ 41.989184] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 41.996466] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 42.005891] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 42.015318] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 42.022608] CPU: 3 PID: 1615 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 42.031547] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 42.038643] Call Trace: # [ 42.041663] dump_stack+0x77/0x9b # [ 42.045651] ___might_sleep.cold+0xa6/0xb6 # [ 42.050514] exit_signals+0x1c/0x300 # [ 42.054787] do_exit+0xc2/0xab0 # [ 42.058583] ? ksys_write+0x68/0xf0 # [ 42.062767] make_task_dead+0x2f/0x30 # [ 42.067144] rewind_stack_and_make_dead+0x17/0x20 # [ 42.072677] RIP: 0033:0x7f0a71feb473 # [ 42.076948] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 <6>[ 50.931045] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3<6>[ 50.941743] lkdtm: attempting good refcount_dec() 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 42.098222] RSP: 0<6>[ 50.953478] lkdtm: attempting bad refcount_dec() to zero 02b:00007ffdb3e3e538 EFLAGS: 00000246 ORIG_RAX: 0000000000000001<4>[ 50.965904] ------------[ cut here ]------------ <4>[ 50.977569] refcount_t: decrement hit 0; leaking memory. # [ 42.106970] RAX: ffffffffffffffda RBX: 000000000000000d R<4>[ 50.983850] WARNING: CPU: 0 PID: 2097 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 CX: 00007f0a71feb473 # [ 42.115232] RDX: 000000000000000d RSI<4>[ 50.999769] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table : 00007f0a71edf000 RDI: 0000000000000001 # [ 42.123492] RBP: <4>[ 51.058744] CPU: 0 PID: 2097 Comm: cat Tainted: G D W 5.10.181-cip34 #1 00007f0a71edf000 R08: 00007f0a71ede010 R09: 0000000000000000 # <4>[ 51.073892] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 42.131753] R10: fffffffffffffbc5 R11: 0000000000000246 R12: <4>[ 51.087248] RIP: 0010:refcount_warn_saturate+0xfb/0x110 0000000000000001 # [ 42.140014] R13: 0000000000000001 R14: 00<4>[ 51.099617] Code: 18 47 75 a1 c6 05 8d f2 f6 01 01 e8 96 fd c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 e8 46 75 a1 c6 05 74 f2 f6 01 01 e8 7c fd c0 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 00000000020000 R15: 0000000000020000 # EXEC_KMALLOC: saw 'call <4>[ 51.127112] RSP: 0018:ffffac21c29cfe48 EFLAGS: 00010286 trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # selftest<4>[ 51.139491] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 s: lkdtm: EXEC_VMALLOC.sh # Killed # [ 42.256723] lkdtm: Per<4>[ 51.153980] RDX: ffff9efd3ac2c660 RSI: ffff9efd3ac1bf70 RDI: ffff9efd3ac1bf70 forming direct entry EXEC_VMALLOC # [ 42.266361] lkdtm: attem<4>[ 51.168503] RBP: ffffffffa17f96f9 R08: 0000000000000000 R09: 0000000000000000 pting ok execution at ffffffffa0379800 # [ 42.279371] lkdtm: <4>[ 51.182978] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 attempting bad execution at ffffac21c0375000 # [ 42.292534] k<4>[ 51.197479] R13: ffffac21c29cff10 R14: ffffac21c29cff10 R15: ffff9efcc2ae6000 ernel tried to execute NX-protected page - exploit attempt? (uid<4>[ 51.211970] FS: 00007fd8e4c50580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000 : 0) # [ 42.307385] BUG: unable to handle page fault for addr<4>[ 51.227582] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ess: ffffac21c0375000 # [ 42.315356] #PF: supervisor instruct<4>[ 51.240469] CR2: 00007fd8e4a5a000 CR3: 0000000105a66001 CR4: 00000000003706f0 ion fetch in kernel mode # [ 42.321966] #PF: error_code(0x001<4>[ 51.254978] Call Trace: 1) - permissions violation # [ 42.328492] PGD 100000067 P4D 1<4>[ 51.264237] ? __warn+0x80/0x110 00000067 PUD 100231067 PMD 1009a8067 PTE 8000000106f64063 # [ <4>[ 51.274372] ? refcount_warn_saturate+0xfb/0x110 42.337833] Oops: 0011 [#8] SMP PTI # [ 42.342015] CPU: 0 PID<4>[ 51.286034] ? report_bug+0x9e/0xc0 : 1651 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 51.296490] ? handle_bug+0x41/0x90 # [ 42.350957] Hardware name: Google Rammus/Rammus, BIOS 09/0<4>[ 51.306890] ? exc_invalid_op+0x14/0x70 4/2020 # [ 42.358055] RIP: 0010:0xffffac21c0375000 # [ 42.<4>[ 51.317710] ? asm_exc_invalid_op+0x12/0x20 362724] Code: Unable to access opcode bytes at RIP 0xffffac21c03<4>[ 51.328897] ? refcount_warn_saturate+0xfb/0x110 74fd6. # [ 42.370686] RSP: 0018:ffffac21c2257e38 EFLAGS: 0001<4>[ 51.340597] ? refcount_warn_saturate+0xfb/0x110 0246 # [ 42.376812] RAX: 0000000000000033 RBX: 00000000000000<4>[ 51.352256] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd 01 RCX: 0000000000000000 # [ 42.385073] RDX: 0000000000000000<4>[ 51.363764] direct_entry.cold+0x2c/0x38 RSI: ffff9efd3ac1bf70 RDI: ffff9efd3ac1bf70 # [ 42.393335] R<4>[ 51.374645] full_proxy_write+0x53/0x80 BP: ffffac21c0375000 R08: 0000000000000000 R09: 0000000000000000<4>[ 51.385492] vfs_write+0xe7/0x3b0 # [ 42.401597] R10: 00000000ffffe000 R11: 3fffffffffffffff R<4>[ 51.395697] ksys_write+0x68/0xf0 12: 000000000000000d # [ 42.409859] R13: ffffac21c2257f10 R14<4>[ 51.405977] do_syscall_64+0x30/0x40 : ffffac21c2257f10 R15: ffff9efcc6f64000 # [ 42.418123] FS: <4>[ 51.416428] entry_SYSCALL_64_after_hwframe+0x61/0xc6 00007f4eb6de2580(0000) GS:ffff9efd3ac00000(0000) knlGS:000000000<4>[ 51.428563] RIP: 0033:0x7fd8e4b66473 0000000 # [ 42.427445] CS: 0010 DS: 0000 ES: 0000 CR0: 00000<4>[ 51.439061] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 00080050033 # [ 42.434153] CR2: ffffac21c0374fd6 CR3: 0000000<4>[ 51.466614] RSP: 002b:00007ffd83fc9478 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 106fb0005 CR4: 00000000003706f0 # [ 42.442415] Call Trace: #<4>[ 51.481569] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fd8e4b66473 [ 42.445450] ? __die_body.cold+0x1a/0x1f # [ 42.450125] <4>[ 51.496082] RDX: 0000000000000012 RSI: 00007fd8e4a5a000 RDI: 0000000000000001 ? no_context+0x177/0x380 # [ 42.454503] ? exc_page_fault+0xd<4>[ 51.510556] RBP: 00007fd8e4a5a000 R08: 00007fd8e4a59010 R09: 0000000000000000 7/0x170 # [ 42.459179] ? asm_exc_page_fault+0x1e/0x30 # [ <4>[ 51.525047] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 42.464134] ? execute_location+0x45/0x56 # [ 42.468897] ? l<4>[ 51.539545] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 kdtm_EXEC_VMALLOC+0x20/0x30 # [ 42.473848] ? direct_entry.co<4>[ 51.554041] irq event stamp: 0 ld+0x2c/0x38 # [ 42.478714] ? full_proxy_write+0x53/0x80 # <4>[ 51.563965] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 42.483490] ? vfs_write+0xe7/0x3b0 # [ 42.487673] ? ksys<4>[ 51.577443] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 _write+0x68/0xf0 # [ 42.491856] ? do_syscall_64+0x30/0x40 #<4>[ 51.593094] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 42.496330] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [<4>[ 51.608733] softirqs last disabled at (0): [<0000000000000000>] 0x0 42.502459] Modules linked in: fuse ip_tables cros_ec_lid_angl<4>[ 51.622252] ---[ end trace ffd54ce207130e8d ]--- e cros_ec_sensors cros_ec_sensors_core industrialio_triggered_bu<6>[ 51.633932] lkdtm: Zero detected: saturated ffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 42.555250] CR2: ffffac21c0375000 # [ 42.559245] ---[ end trace ffd54ce207130e80 ]--- # [ 42.564693] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 42.569366] Code: 89 ff e8 4e e7 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 57 e9 02 # [ 42.590642] RSP: 0018:ffffac21c131fe60 EFLAGS: 00010286 # [ 42.596758] RAX: ffffffffa0379430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 42.605018] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffffffffa137e830 # [ 42.613279] RBP: ffffffffa185db78 R08: 0000000000000001 R09: 0000000000000001 # [ 42.621540] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 42.629802] R13: ffffac21c131ff10 R14: ffffac21c131ff10 R15: ffff9efcc43c9000 # [ 42.638063] FS: 00007f4eb6de2580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000 # [ 42.647383] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080<6>[ 51.777925] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE 050033 # [ 42.654090] CR2: ffffac21c0374fd6 CR3: 0000000106fb<6>[ 51.788869] lkdtm: attempting bad refcount_dec() below zero 0005 CR4: 00000000003706f0 # EXEC_VMALLOC: saw 'call trace:': o<4>[ 51.801611] ------------[ cut here ]------------ k ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: <4>[ 51.813267] refcount_t: decrement hit 0; leaking memory. EXEC_RODATA.sh # Killed # [ 42.831015] lkdtm: Performing dir<4>[ 51.825723] WARNING: CPU: 1 PID: 2132 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 ect entry EXEC_RODATA # [ 42.842426] lkdtm: attempting ok exe<4>[ 51.841652] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table cution at ffffffffa0379800 # [ 42.849269] lkdtm: attempting b<4>[ 51.900621] CPU: 1 PID: 2132 Comm: cat Tainted: G D W 5.10.181-cip34 #1 ad execution at ffffffffa137ecc0 # [ 42.856192] kernel tried <4>[ 51.915779] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 to execute NX-protected page - exploit attempt? (uid: 0) # [ <4>[ 51.929092] RIP: 0010:refcount_warn_saturate+0xfb/0x110 42.864848] BUG: unable to handle page fault for address: fffffff<4>[ 51.941445] Code: 18 47 75 a1 c6 05 8d f2 f6 01 01 e8 96 fd c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 e8 46 75 a1 c6 05 74 f2 f6 01 01 e8 7c fd c0 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b <4>[ 51.968944] RSP: 0018:ffffac21c2a57e48 EFLAGS: 00010286 fa137ecc0 # [ 42.872819] #PF: supervisor instruction fetch in<4>[ 51.975096] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 <4>[ 51.989573] RDX: ffff9efd3acac660 RSI: ffff9efd3ac9bf70 RDI: ffff9efd3ac9bf70 <4>[ 51.997839] RBP: ffffffffa17f970b R08: 0000000000000000 R09: 0000000000000000 <4>[ 52.006104] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 <4>[ 52.014370] R13: ffffac21c2a57f10 R14: ffffac21c2a57f10 R15: ffff9efcc5a6b000 <4>[ 52.022636] FS: 00007f44f5d28580(0000) GS:ffff9efd3ac80000(0000) knlGS:0000000000000000 kernel mode # [ 42.879428] #PF: error_code(0x0011) - permiss<4>[ 52.031971] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 52.044891] CR2: 00007f44f5b32000 CR3: 00000001045bc005 CR4: 00000000003706e0 ions violation # [ 42.885940] PGD 20629067 P4D 20629067 PUD 2<4>[ 52.053156] Call Trace: 062a063 PMD 800000001fe000e1 # [ 42.893722] Oops: 0011 [#9] <4>[ 52.062393] ? __warn+0x80/0x110 <4>[ 52.072503] ? refcount_warn_saturate+0xfb/0x110 SMP PTI # [ 42.904120] CPU: 2 PID: 1687 Comm: cat Tainted: G <4>[ 52.077953] ? report_bug+0x9e/0xc0 D W 5.10.181-cip34 #1 # [ 42.913060] Hardware na<4>[ 52.088351] ? handle_bug+0x41/0x90 <4>[ 52.098753] ? exc_invalid_op+0x14/0x70 me: Google Rammus/Rammus, BIOS 09/04/2020 # [ 42.920158] RIP<4>[ 52.103331] ? asm_exc_invalid_op+0x12/0x20 : 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 42.926185] Code: <4>[ 52.114512] ? refcount_warn_saturate+0xfb/0x110 ff ff f0 fb a0 a0 ff ff ff ff 8a 98 7f a1 ff ff ff ff 36 e3 a0 a<4>[ 52.126175] ? refcount_warn_saturate+0xfb/0x110 0 ff ff ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 00 00 00 00 [ 52.137838] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 9> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 54 68 69 73 20 6<4>[ 52.149698] direct_entry.cold+0x2c/0x38 9 # [ 42.947460] RSP: 0018:ffffac21c22efe48 EFLAGS: 00010246 <4>[ 52.160585] full_proxy_write+0x53/0x80 # [ 42.953575] RAX: 0000000000000033 RBX: 0000000000000000 RC<4>[ 52.171377] vfs_write+0xe7/0x3b0 <4>[ 52.181586] ksys_write+0x68/0xf0 X: 0000000000000000 # [ 42.961837] RDX: 0000000000000000 RSI:<4>[ 52.185604] do_syscall_64+0x30/0x40 <4>[ 52.196095] entry_SYSCALL_64_after_hwframe+0x61/0xc6 ffff9efd3ad1bf70 RDI: ffff9efd3ad1bf70 # [ 42.970097] RBP: f<4>[ 52.202029] RIP: 0033:0x7f44f5c3e473 <4>[ 52.212522] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 fffffffa137ecc0 R08: 0000000000000000 R09: 0000000000000000 # [<4>[ 52.233801] RSP: 002b:00007ffd8d3e65c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 52.248762] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f44f5c3e473 42.978357] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0<4>[ 52.257026] RDX: 0000000000000016 RSI: 00007f44f5b32000 RDI: 0000000000000001 <4>[ 52.271501] RBP: 00007f44f5b32000 R08: 00007f44f5b31010 R09: 0000000000000000 <4>[ 52.279767] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 52.288031] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00000000000000c # [ 42.986617] R13: ffffac21c22eff10 R14: fff<4>[ 52.296298] irq event stamp: 0 <4>[ 52.306211] hardirqs last enabled at (0): [<0000000000000000>] 0x0 fac21c22eff10 R15: ffff9efcc5f24000 # [ 42.994896] FS: 00007<4>[ 52.313509] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 52.329148] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 fc3aa0a0580(0000) GS:ffff9efd3ad00000(0000) knlGS:00000000000000<4>[ 52.338577] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 52.352079] ---[ end trace ffd54ce207130e8e ]--- 00 # [ 43.004226] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080<6>[ 52.357529] lkdtm: Negative detected: saturated 050033 # [ 43.010935] CR2: ffffffffa137ecc0 CR3: 0000000105f8e004 CR4: 00000000003706e0 # [ 43.019196] Call Trace: # [ 43.022216] ? __die_body.cold+0x1a/0x1f # [ 43.026886] ? no_context+0x177/0x380 # [ 43.031265] ? exc_page_fault+0xd7/0x170 # [ 43.035933] ? asm_exc_page_fault+0x1e/0x30 # [ 43.040898] ? execute_location+0x45/0x56 # [ 43.045662] ? direct_entry.cold+0x2c/0x38 # [ 43.050525] ? full_proxy_write+0x53/0x80 # [ 43.055290] ? vfs_write+0xe7/0x3b0 # [ 43.059464] ? ksys_write+0x68/0xf0 # [ 43.063667] ? do_syscall_64+0x30/0x40 # [ 43.068141] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 43.074270] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 43.133267] CR2: ffffffffa137ecc0 # [ 43.137256] ---[ end trace ffd54ce207130e81 ]--- # [ 43.142693] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 43.147360] Code: 89 ff e8 4e e7 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44<6>[ 52.506112] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 6<6>[ 52.520166] lkdtm: attempting bad refcount_dec_and_test() below zero 0 57 e9 02 # [ 43.168633] RSP: 0018:ffffac21c131fe60 EFLAGS: <4>[ 52.533796] ------------[ cut here ]------------ 00010286 # [ 43.174757] RAX: ffffffffa0379430 RBX: 0000000000<4>[ 52.545449] refcount_t: underflow; use-after-free. 000001 RCX: 0000000000000000 # [ 43.183019] RDX: 000000000000<4>[ 52.557368] WARNING: CPU: 0 PID: 2167 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 0000 RSI: ffff9efd3ad9bf70 RDI: ffffffffa137e830 # [ 43.19127<4>[ 52.573255] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table 0] RBP: ffffffffa185db78 R08: 0000000000000001 R09: 000000000000<4>[ 52.632294] CPU: 0 PID: 2167 Comm: cat Tainted: G D W 5.10.181-cip34 #1 0001 # [ 43.199529] R10: 00000000ffffe000 R11: 3fffffffffffff<4>[ 52.647443] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 ff R12: 0000000000000004 # [ 43.207789] R13: ffffac21c131ff10<4>[ 52.660743] RIP: 0010:refcount_warn_saturate+0xba/0x110 R14: ffffac21c131ff10 R15: ffff9efcc43c9000 # [ 43.216049] F<4>[ 52.673081] Code: 01 01 e8 e0 fd c0 00 0f 0b c3 cc cc cc cc 80 3d c6 f2 f6 01 00 75 85 48 c7 c7 c0 46 75 a1 c6 05 b6 f2 f6 01 01 e8 bd fd c0 00 <0f> 0b c3 cc cc cc cc 80 3d a1 f2 f6 01 00 0f 85 5e ff ff ff 48 c7 S: 00007fc3aa0a0580(0000) GS:ffff9efd3ad00000(0000) knlGS:00000<4>[ 52.700570] RSP: 0018:ffffac21c2af7e40 EFLAGS: 00010286 00000000000 # [ 43.225377] CS: 0010 DS: 0000 ES: 0000 CR0: 0<4>[ 52.712936] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 000000080050033 # [ 43.232084] CR2: ffffffffa137ecc0 CR3: 000<4>[ 52.727389] RDX: ffff9efd3ac2c660 RSI: ffff9efd3ac1bf70 RDI: ffff9efd3ac1bf70 0000105f8e004 CR4: 00000000003706e0 # EXEC_RODATA: saw 'call tr<4>[ 52.741897] RBP: ffffffffa17f9360 R08: 0000000000000000 R09: 0000000000000000 ace:': ok ok 34 selftests: lkdtm: EXEC_RODATA.sh # selftests: <4>[ 52.756359] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f lkdtm: EXEC_USERSPACE.sh # Killed # [ 43.342773] lkdtm: Perf<4>[ 52.770869] R13: ffffac21c2af7f10 R14: ffffac21c2af7f10 R15: ffff9efcc26d7000 orming direct entry EXEC_USERSPACE # [ 43.352390] lkdtm: atte<4>[ 52.785329] FS: 00007f5cb979e580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000 mpting ok execution at ffffffffa0379800 # [ 43.359219] lkdtm:<4>[ 52.800889] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 attempting bad execution at 00007f2b77b9c000 # [ 43.372330] <4>[ 52.813822] CR2: 00007f5cb95a8000 CR3: 0000000102998006 CR4: 00000000003706f0 unable to execute userspace code (SMEP?) (uid: 0) # [ 43.3790<4>[ 52.828326] Call Trace: 69] BUG: unable to handle page fault for address: 00007f2b77b9c0<4>[ 52.837547] ? __warn+0x80/0x110 00 # [ 43.387031] #PF: supervisor instruction fetch in kernel<4>[ 52.847684] ? refcount_warn_saturate+0xba/0x110 mode # [ 43.393640] #PF: error_code(0x0011) - permissions vi<4>[ 52.859327] ? report_bug+0x9e/0xc0 olation # [ 43.400154] PGD 8000000103bbd067 P4D 8000000103bbd<4>[ 52.869752] ? handle_bug+0x41/0x90 067 PUD 1047e7067 PMD 105f8a067 PTE 107b36067 # [ 43.410167] <4>[ 52.880136] ? exc_invalid_op+0x14/0x70 Oops: 0011 [#10] SMP PTI # [ 43.414448] CPU: 3 PID: 1723 Comm<4>[ 52.890957] ? asm_exc_invalid_op+0x12/0x20 : cat Tainted: G D W 5.10.181-cip34 #1 # [ 43.42<4>[ 52.902120] ? refcount_warn_saturate+0xba/0x110 3390] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [<4>[ 52.913788] __refcount_sub_and_test.constprop.0+0x3c/0x50 43.430487] RIP: 0010:0x7f2b77b9c000 # [ 43.434767] Code: U<4>[ 52.926437] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 nable to access opcode bytes at RIP 0x7f2b77b9bfd6. # [ 43.44<4>[ 52.939173] direct_entry.cold+0x2c/0x38 2348] RSP: 0018:ffffac21c2387e50 EFLAGS: 00010246 # [ 43.4484<4>[ 52.950047] full_proxy_write+0x53/0x80 89] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 00000000000<4>[ 52.960848] vfs_write+0xe7/0x3b0 00000 # [ 43.456749] RDX: 0000000000000000 RSI: ffff9efd3ad9b<4>[ 52.971049] ksys_write+0x68/0xf0 f70 RDI: ffff9efd3ad9bf70 # [ 43.465011] RBP: 00007f2b77b9c00<4>[ 52.981292] do_syscall_64+0x30/0x40 0 R08: 0000000000000000 R09: 0000000000000000 # [ 43.473273] <4>[ 52.991766] entry_SYSCALL_64_after_hwframe+0x61/0xc6 R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000<4>[ 53.003917] RIP: 0033:0x7f5cb96b4473 f # [ 43.481533] R13: ffffac21c2387f10 R14: ffffac21c2387f10 <4>[ 53.014440] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 R15: ffff9efcc5f8e000 # [ 43.489796] FS: 00007f2b77b6d580(00<4>[ 53.041948] RSP: 002b:00007ffdab443b68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 00) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000 # [ 43.4<4>[ 53.056896] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f5cb96b4473 99126] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ <4>[ 53.071387] RDX: 000000000000001f RSI: 00007f5cb95a8000 RDI: 0000000000000001 43.505832] CR2: 00007f2b77b9c000 CR3: 0000000102660004 CR4: 0000<4>[ 53.085861] RBP: 00007f5cb95a8000 R08: 00007f5cb95a7010 R09: 0000000000000000 0000003706e0 # [ 43.514094] Call Trace: # [ 43.517115] ? <4>[ 53.100374] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 __die_body.cold+0x1a/0x1f # [ 43.521784] ? no_context+0x177/<4>[ 53.114866] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0x380 # [ 43.526164] ? exc_page_fault+0x53/0x170 # [ 43.5<4>[ 53.129376] irq event stamp: 0 30834] ? asm_exc_page_fault+0x1e/0x30 # [ 43.535798] ? lkdt<4>[ 53.139288] hardirqs last enabled at (0): [<0000000000000000>] 0x0 m_EXEC_USERSPACE.cold+0x66/0xae # [ 43.541443] ? direct_entr<4>[ 53.152813] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 y.cold+0x2c/0x38 # [ 43.546308] ? full_proxy_write+0x53/0x80<4>[ 53.168453] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 43.551075] ? vfs_write+0xe7/0x3b0 # [ 43.555258] ? <4>[ 53.184110] softirqs last disabled at (0): [<0000000000000000>] 0x0 ksys_write+0x68/0xf0 # [ 43.559441] ? do_syscall_64+0x30/0x4<4>[ 53.197617] ---[ end trace ffd54ce207130e8f ]--- 0 # [ 43.563915] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 <6>[ 53.209315] lkdtm: Negative detected: saturated # [ 43.570042] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 43.622837] CR2: 00007f2b77b9c000 # [ 43.633036] ---[ end trace ffd54ce207130e82 ]--- # [ 43.638491] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 43.643151] Code: 89 ff e8 4e e7 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 57 e9 02 # [ 43.664413] RSP: 0018:ffffac21c131fe60 EFLAGS: 00010286 # [ 43.670537] RAX: ffffffffa0379430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 43.678798] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffffffffa137e830 # [ 43.687058] RBP: ffffffffa185db78 R08: 0000000000000001 R09: 0000000000000001 # [ 43.695317] R10: 00000000ffffe000 R11: 3fffffffffffffff R1<6>[ 53.340620] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE <6>[ 53.353021] lkdtm: attempting bad refcount_sub_and_test() below zero <4>[ 53.360451] ------------[ cut here ]------------ 2: 0000000000000004 # [ 43.703578] R13: ffffac21c131ff10 R14:<4>[ 53.365902] refcount_t: underflow; use-after-free. <4>[ 53.377787] WARNING: CPU: 3 PID: 2202 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 ffffac21c131ff10 R15: ffff9efcc43c9000 # [ 43.711838] FS: 0<4>[ 53.387515] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 53.446499] CPU: 3 PID: 2202 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 53.455488] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 53.462622] RIP: 0010:refcount_warn_saturate+0xba/0x110 <4>[ 53.468753] Code: 01 01 e8 e0 fd c0 00 0f 0b c3 cc cc cc cc 80 3d c6 f2 f6 01 00 75 85 48 c7 c7 c0 46 75 a1 c6 05 b6 f2 f6 01 01 e8 bd fd c0 00 <0f> 0b c3 cc cc cc cc 80 3d a1 f2 f6 01 00 0f 85 5e ff ff ff 48 c7 <4>[ 53.490035] RSP: 0018:ffffac21c2b77e40 EFLAGS: 00010286 <4>[ 53.496164] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 0007f2b77b6d580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000<4>[ 53.504430] RDX: ffff9efd3adac660 RSI: ffff9efd3ad9bf70 RDI: ffff9efd3ad9bf70 000000 # [ 43.721168] CS: 0010 DS: 0000 ES: 0000 CR0: 000000<4>[ 53.518913] RBP: ffffffffa17f9380 R08: 0000000000000000 R09: 0000000000000000 <4>[ 53.533396] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f 0080050033 # [ 43.727875] CR2: 00007f2b77b9c000 CR3: 00000001<4>[ 53.541661] R13: ffffac21c2b77f10 R14: ffffac21c2b77f10 R15: ffff9efcc4283000 <4>[ 53.556141] FS: 00007f074e3b3580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000 <4>[ 53.565486] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 53.572228] CR2: 00007f074e1bd000 CR3: 0000000104a06004 CR4: 00000000003706e0 <4>[ 53.580504] Call Trace: <4>[ 53.583546] ? __warn+0x80/0x110 02660004 CR4: 00000000003706e0 # [ 43.736137] BUG: sleeping f<4>[ 53.587457] ? refcount_warn_saturate+0xba/0x110 <4>[ 53.599113] ? report_bug+0x9e/0xc0 <4>[ 53.603325] ? handle_bug+0x41/0x90 <4>[ 53.607511] ? exc_invalid_op+0x14/0x70 <4>[ 53.612085] ? asm_exc_invalid_op+0x12/0x20 <4>[ 53.617051] ? refcount_warn_saturate+0xba/0x110 <4>[ 53.622526] __refcount_sub_and_test.constprop.0+0x3c/0x50 <4>[ 53.628945] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b <4>[ 53.635463] direct_entry.cold+0x2c/0x38 <4>[ 53.640136] full_proxy_write+0x53/0x80 <4>[ 53.644712] vfs_write+0xe7/0x3b0 <4>[ 53.648705] ksys_write+0x68/0xf0 <4>[ 53.652698] do_syscall_64+0x30/0x40 <4>[ 53.656981] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 53.662915] RIP: 0033:0x7f074e2c9473 <4>[ 53.667198] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 53.688492] RSP: 002b:00007fff5f6abba8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 53.697276] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f074e2c9473 <4>[ 53.705540] RDX: 000000000000001f RSI: 00007f074e1bd000 RDI: 0000000000000001 <4>[ 53.713805] RBP: 00007f074e1bd000 R08: 00007f074e1bc010 R09: 0000000000000000 <4>[ 53.722068] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 53.730322] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 53.738590] irq event stamp: 0 <4>[ 53.742290] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 53.749585] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 53.759015] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 53.768446] softirqs last disabled at (0): [<0000000000000000>] 0x0 unction called from invalid context at include/linux/percpu-rwse<4>[ 53.775742] ---[ end trace ffd54ce207130e90 ]--- <6>[ 53.787402] lkdtm: Negative detected: saturated m.h:49 # [ 43.746341] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1723, name: cat # [ 43.755087] INFO: lockdep is turned off. # [ 43.759755] irq event stamp: 0 # [ 43.763453] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 43.770734] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 43.780162] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 43.789580] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 43.796860] CPU: 3 PID: 1723 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 43.805800] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 43.812894] Call Trace: # [ 43.815912] dump_stack+0x77/0x9b # [ 43.819901] ___might_sleep.cold+0xa6/0xb6 # [ 43.824765] exit_signals+0x1c/0x300 # [ 43.829045] do_exit+0xc2/0xab0 # [ 43.832831] ? ksys_write+0x68/0xf0 # [ 43.837006] make_task_dead+0x2f/0x30 # [ 43.841382] rewind_stack_and_make_dead+0x17/0x20 # [ 43.846924] RIP: 0033:0x7f2b77a83473 # [ 43.851203] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 <6>[ 53.912741] lkdtm: Performing direct entry REFCOUNT_INC_ZERO <6>[ 53.923715] lkdtm: attempting safe refcount_inc_not_zero() from zero <6>[ 53.931121] lkdtm: Good: zero detected <6>[ 53.935608] lkdtm: Correctly stayed at zero 24 18 # [ 43.872487] RSP: 002b:00007ffd9afc9ca8 EFLAGS: 00000<6>[ 53.940570] lkdtm: attempting bad refcount_inc() from zero <4>[ 53.953202] ------------[ cut here ]------------ 246 ORIG_RAX: 0000000000000001 # [ 43.881232] RAX: ffffffffff<4>[ 53.958651] refcount_t: addition on 0; use-after-free. <4>[ 53.970925] WARNING: CPU: 3 PID: 2234 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 ffffda RBX: 000000000000000f RCX: 00007f2b77a83473 # [ 43.889<4>[ 53.980655] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 54.039643] CPU: 3 PID: 2234 Comm: cat Tainted: G D W 5.10.181-cip34 #1 492] RDX: 000000000000000f RSI: 00007f2b77977000 RDI: 0000000000<4>[ 54.048605] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 54.061916] RIP: 0010:refcount_warn_saturate+0x74/0x110 <4>[ 54.068076] Code: 01 01 e8 26 fe c0 00 0f 0b c3 cc cc cc cc 80 3d 0d f3 f6 01 00 75 cb 48 c7 c7 90 46 75 a1 c6 05 fd f2 f6 01 01 e8 03 fe c0 00 <0f> 0b c3 cc cc cc cc 80 3d ec f2 f6 01 00 75 a8 48 c7 c7 68 46 75 <4>[ 54.089359] RSP: 0018:ffffac21c2be7e48 EFLAGS: 00010286 <4>[ 54.095491] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 <4>[ 54.103759] RDX: ffff9efd3adac660 RSI: ffff9efd3ad9bf70 RDI: ffff9efd3ad9bf70 <4>[ 54.112026] RBP: ffffffffa17f9721 R08: 0000000000000000 R09: 0000000000000000 <4>[ 54.120292] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 <4>[ 54.128557] R13: ffffac21c2be7f10 R14: ffffac21c2be7f10 R15: ffff9efcc4287000 <4>[ 54.136825] FS: 00007fe69897c580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000 <4>[ 54.146159] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 54.152890] CR2: 00007fe698786000 CR3: 00000001029cc001 CR4: 00000000003706e0 <4>[ 54.161155] Call Trace: <4>[ 54.164181] ? __warn+0x80/0x110 <4>[ 54.168106] ? refcount_warn_saturate+0x74/0x110 <4>[ 54.173558] ? report_bug+0x9e/0xc0 <4>[ 54.177777] ? handle_bug+0x41/0x90 <4>[ 54.181964] ? exc_invalid_op+0x14/0x70 <4>[ 54.186539] ? asm_exc_invalid_op+0x12/0x20 <4>[ 54.191508] ? refcount_warn_saturate+0x74/0x110 <4>[ 54.196989] ? refcount_warn_saturate+0x74/0x110 <4>[ 54.202446] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 000001 # [ 43.897752] RBP: 00007f2b77977000 R08: 00007f2b7797<4>[ 54.207702] direct_entry.cold+0x2c/0x38 <4>[ 54.218586] full_proxy_write+0x53/0x80 <4>[ 54.223192] vfs_write+0xe7/0x3b0 6010 R09: 0000000000000000 # [ 43.906013] R10: fffffffffffffb<4>[ 54.227209] ksys_write+0x68/0xf0 c5 R11: 0000000000000246 R12: 0000000000000001 # [ 43.914274]<4>[ 54.237416] do_syscall_64+0x30/0x40 R13: 0000000000000001 R14: 0000000000020000 R15: 00000000000200<4>[ 54.247916] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 54.260070] RIP: 0033:0x7fe698892473 <4>[ 54.264384] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 54.285669] RSP: 002b:00007ffc03744988 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 54.294442] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fe698892473 <4>[ 54.302708] RDX: 0000000000000012 RSI: 00007fe698786000 RDI: 0000000000000001 <4>[ 54.310974] RBP: 00007fe698786000 R08: 00007fe698785010 R09: 0000000000000000 <4>[ 54.319242] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 54.327508] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 54.335780] irq event stamp: 0 <4>[ 54.339510] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 54.346808] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 54.356240] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 54.365672] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 54.372967] ---[ end trace ffd54ce207130e91 ]--- <6>[ 54.378415] lkdtm: Zero detected: saturated 00 # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh # Killed # [ 44.133417] lkdtm: Performing direct entry EXEC_NULL # [ 44.139726] lkdtm: attempting ok execution at ffffffffa0379800 # [ 44.146535] lkdtm: attempting bad execution at 0000000000000000 # [ 44.159657] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 44.173932] #PF: supervisor instruction fetch in kernel mode # [ 44.180542] #PF: error_code(0x0010) - not-present page # [ 44.186569] PGD 0 P4D 0 # [ 44.189685] Oops: 0010 [#11] SMP PTI # [ 44.193965] CPU: 1 PID: 1759 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 44.202906] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 44.210004] RIP: 0010:0x0 # [ 44.213216] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. # [ 44.221185] RSP: 0018:ffffac21c242fe48 EFLAGS: 00010246 # [ 44.227302] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 44.235566] RDX: 0000000000000000 RSI: ffff9efd3ac9bf70 RDI: ffff9efd3ac9bf70 # [ 44.243820] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 # [ 44.252<6>[ 54.501254] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO 083] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000<6>[ 54.508161] lkdtm: attempting safe refcount_add_not_zero() from zero 00000a # [ 44.260337] R13: ffffac21c242ff10 R14: ffffac21c242<6>[ 54.521768] lkdtm: Good: zero detected ff10 R15: ffff9efcc2663000 # [ 44.268599] FS: 00007ff9792ca5<6>[ 54.532457] lkdtm: Correctly stayed at zero 80(0000) GS:ffff9efd3ac80000(0000) knlGS:0000000000000000 # [ <6>[ 54.543671] lkdtm: attempting bad refcount_add() from zero 44.277930] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 #<4>[ 54.556281] ------------[ cut here ]------------ [ 44.284637] CR2: ffffffffffffffd6 CR3: 0000000105fb6004 CR4:<4>[ 54.567987] refcount_t: addition on 0; use-after-free. 00000000003706e0 # [ 44.292899] Call Trace: # [ 44.295921<4>[ 54.580255] WARNING: CPU: 0 PID: 2266 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 ] ? __die_body.cold+0x1a/0x1f # [ 44.306810] ? no_context+0<4>[ 54.596245] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table x177/0x380 # [ 44.311191] ? exc_page_fault+0x53/0x170 # [ <4>[ 54.655217] CPU: 0 PID: 2266 Comm: cat Tainted: G D W 5.10.181-cip34 #1 44.322072] ? asm_exc_page_fault+0x1e/0x30 # [ 44.327038] e<4>[ 54.670417] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 xecute_location+0x45/0x56 # [ 44.337843] direct_entry.cold+0<4>[ 54.683734] RIP: 0010:refcount_warn_saturate+0x74/0x110 x2c/0x38 # [ 44.342513] full_proxy_write+0x53/0x80 # [ 44<4>[ 54.696065] Code: 01 01 e8 26 fe c0 00 0f 0b c3 cc cc cc cc 80 3d 0d f3 f6 01 00 75 cb 48 c7 c7 90 46 75 a1 c6 05 fd f2 f6 01 01 e8 03 fe c0 00 <0f> 0b c3 cc cc cc cc 80 3d ec f2 f6 01 00 75 a8 48 c7 c7 68 46 75 .347089] vfs_write+0xe7/0x3b0 # [ 44.351080] ksys_write+0x6<4>[ 54.723563] RSP: 0018:ffffac21c2c67e48 EFLAGS: 00010286 8/0xf0 # [ 44.355062] do_syscall_64+0x30/0x40 # [ 44.3593<4>[ 54.735914] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 44] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 44.365276] <4>[ 54.750425] RDX: ffff9efd3ac2c660 RSI: ffff9efd3ac1bf70 RDI: ffff9efd3ac1bf70 RIP: 0033:0x7ff9791e0473 # [ 44.369557] Code: 8b 15 21 2a 0e <4>[ 54.764888] RBP: ffffffffa17f9733 R08: 0000000000000000 R09: 0000000000000000 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 2<4>[ 54.779396] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 5 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff <4>[ 54.793878] R13: ffffac21c2c67f10 R14: ffffac21c2c67f10 R15: ffff9efcc5e51000 ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 44.390<4>[ 54.808353] FS: 00007fcff49df580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000 834] RSP: 002b:00007fffbd2078d8 EFLAGS: 00000246 ORIG_RAX: 00000<4>[ 54.823910] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 00000000001 # [ 44.399584] RAX: ffffffffffffffda RBX: 0000000<4>[ 54.836873] CR2: 00007fcff47e9000 CR3: 0000000104776003 CR4: 00000000003706f0 00000000a RCX: 00007ff9791e0473 # [ 44.407846] RDX: 000000000<4>[ 54.851327] Call Trace: 000000a RSI: 00007ff9790d4000 RDI: 0000000000000001 # [ 44.41<4>[ 54.860610] ? __warn+0x80/0x110 6107] RBP: 00007ff9790d4000 R08: 00007ff9790d3010 R09: 000000000<4>[ 54.870693] ? refcount_warn_saturate+0x74/0x110 0000000 # [ 44.424369] R10: fffffffffffffbc5 R11: 00000000000<4>[ 54.882357] ? report_bug+0x9e/0xc0 00246 R12: 0000000000000001 # [ 44.432631] R13: 0000000000000<4>[ 54.892748] ? handle_bug+0x41/0x90 001 R14: 0000000000020000 R15: 0000000000020000 # [ 44.440899<4>[ 54.903142] ? exc_invalid_op+0x14/0x70 ] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_se<4>[ 54.913929] ? asm_exc_invalid_op+0x12/0x20 nsors cros_ec_sensors_core industrialio_triggered_buffer kfifo_b<4>[ 54.925116] ? refcount_warn_saturate+0x74/0x110 uf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_e<4>[ 54.936800] ? refcount_warn_saturate+0x74/0x110 c_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_<4>[ 54.948454] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros<4>[ 54.959927] direct_entry.cold+0x2c/0x38 _ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_ther<4>[ 54.970885] full_proxy_write+0x53/0x80 mal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regma<4>[ 54.981696] vfs_write+0xe7/0x3b0 p_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight c<4>[ 54.991899] ksys_write+0x68/0xf0 oreboot_table # [ 44.499867] CR2: 0000000000000000 # [ 44.<4>[ 55.002114] do_syscall_64+0x30/0x40 503856] ---[ end trace ffd54ce207130e83 ]--- # [ 44.509305] R<4>[ 55.012600] entry_SYSCALL_64_after_hwframe+0x61/0xc6 IP: 0010:lkdtm_BUG+0x5/0x10 # [ 44.513975] Code: 89 ff e8 4e <4>[ 55.024752] RIP: 0033:0x7fcff48f5473 e7 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc c<4>[ 55.035292] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 c cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f <4>[ 55.062816] RSP: 002b:00007ffe3527c8b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 55.077770] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fcff48f5473 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 57 e9 02 # [ 44.<4>[ 55.086067] RDX: 0000000000000012 RSI: 00007fcff47e9000 RDI: 0000000000000001 535243] RSP: 0018:ffffac21c131fe60 EFLAGS: 00010286 # [ 44.54<4>[ 55.100555] RBP: 00007fcff47e9000 R08: 00007fcff47e8010 R09: 0000000000000000 <4>[ 55.115022] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 1368] RAX: ffffffffa0379430 RBX: 0000000000000001 RCX: 000000000<4>[ 55.123320] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0000000 # [ 44.549622] RDX: 0000000000000000 RSI: ffff9efd3ad<4>[ 55.137819] irq event stamp: 0 9bf70 RDI: ffffffffa137e830 # [ 44.557885] RBP: ffffffffa185d<4>[ 55.147753] hardirqs last enabled at (0): [<0000000000000000>] 0x0 b78 R08: 0000000000000001 R09: 0000000000000001 # [ 44.566148<4>[ 55.161274] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 ] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000<4>[ 55.176899] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 004 # [ 44.574410] R13: ffffac21c131ff10 R14: ffffac21c131ff1<4>[ 55.192580] softirqs last disabled at (0): [<0000000000000000>] 0x0 0 R15: ffff9efcc43c9000 # [ 44.582695] FS: 00007ff9792ca580(<4>[ 55.206134] ---[ end trace ffd54ce207130e92 ]--- 0000) GS:ffff9efd3ac80000(0000) knlGS:0000000000000000 # [ 44<6>[ 55.217764] lkdtm: Zero detected: saturated .592026] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.598734] CR2: ffffffffffffffd6 CR3: 0000000105fb6004 CR4: 00000000003706e0 # EXEC_NULL: saw 'call trace:': ok ok 36 selftests: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.sh # Killed # [ 44.714225] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 44.725462] lkdtm: attempting bad read at 00007f44695fe000 # [ 44.738078] BUG: unable to handle page fault for address: 00007f44695fe000 # [ 44.752233] #PF: supervisor read access in kernel mode # [ 44.758250] #PF: error_code(0x0001) - permissions violation # [ 44.764763] PGD 8000000105b5f067 P4D 8000000105b5f067 PUD 105dbf067 PMD 1034b6067 PTE 108de4067 # [ 44.774783] Oops: 0001 [#12] SMP PTI # [ 44.779064] CPU: 0 PID: 1794 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 44.788005] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 44.795105] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 44.801623] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 a8 a5 7f a1 e8 ef d7 fb ff 48 c7 c7 d0 a5 7f a1 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 d6 d7 fb ff 48 89 ee 48 c7 c7 f8 a5 7f # [ 44.822885] RSP: 0018:ffffac21c24efe48 EFLAGS: 00010246 # [ 44.829010] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 # [ 44.837271] RDX: 0000000000000000 RSI: ffff9efd3ac1bf70 RDI: ffffffffa17fa5d0 # [ 44.845531] RBP: 00007f44695fe000 R08: 0000000000000000 R09: 0000000000000000 # [ 44.853792] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 # [ 44.862051] R13: ffffac21c24eff10 R14: ffffac21c24eff10 R15: ffff9efcc3c72000 # [ 44.870312] FS: 00007f44695cf580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000 # [ 44.879641] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.88<6>[ 55.407390] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED 6347] CR2: 00007f44695fe000 CR3: 0000000102664001 CR4: 000000000<6>[ 55.416260] lkdtm: attempting bad refcount_inc() from saturated 03706f0 # [ 44.894608] Call Trace: # [ 44.897627] ? __die<4>[ 55.429382] ------------[ cut here ]------------ _body.cold+0x1a/0x1f # [ 44.902303] ? no_context+0x177/0x380<4>[ 55.441046] refcount_t: saturated; leaking memory. # [ 44.906687] ? exc_page_fault+0x53/0x170 # [ 44.911362<4>[ 55.452960] WARNING: CPU: 1 PID: 2301 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 ] ? asm_exc_page_fault+0x1e/0x30 # [ 44.916326] ? lkdtm_ACC<4>[ 55.468891] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table ESS_USERSPACE.cold+0x41/0xa3 # [ 44.922167] ? lkdtm_ACCESS_U<4>[ 55.527863] CPU: 1 PID: 2301 Comm: cat Tainted: G D W 5.10.181-cip34 #1 SERSPACE.cold+0x35/0xa3 # [ 44.928002] direct_entry.cold+0x2<4>[ 55.543026] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 c/0x38 # [ 44.932673] full_proxy_write+0x53/0x80 # [ 44.9<4>[ 55.556340] RIP: 0010:refcount_warn_saturate+0x51/0x110 <4>[ 55.568685] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 31 f3 f6 01 00 75 ee 48 c7 c7 68 46 75 a1 c6 05 21 f3 f6 01 01 e8 26 fe c0 00 <0f> 0b c3 cc cc cc cc 80 3d 0d f3 f6 01 00 75 cb 48 c7 c7 90 46 75 37250] vfs_write+0xe7/0x3b0 # [ 44.941246] ksys_write+0x68/<4>[ 55.589989] RSP: 0018:ffffac21c2cefe48 EFLAGS: 00010286 0xf0 # [ 44.945234] do_syscall_64+0x30/0x40 # [ 44.949514<4>[ 55.602309] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 <4>[ 55.616789] RDX: ffff9efd3acac660 RSI: ffff9efd3ac9bf70 RDI: ffff9efd3ac9bf70 ] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 44.955437] RI<4>[ 55.625057] RBP: ffffffffa17f9745 R08: 0000000000000000 R09: 0000000000000000 <4>[ 55.639531] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 P: 0033:0x7f44694e5473 # [ 44.959718] Code: 8b 15 21 2a 0e 00<4>[ 55.647797] R13: ffffac21c2ceff10 R14: ffffac21c2ceff10 R15: ffff9efcc2656000 <4>[ 55.662274] FS: 00007f26f92ad580(0000) GS:ffff9efd3ac80000(0000) knlGS:0000000000000000 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 <4>[ 55.671607] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 55.684530] CR2: 00007f26f90b7000 CR3: 0000000105bb2003 CR4: 00000000003706e0 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff<4>[ 55.692798] Call Trace: 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 44.98099<4>[ 55.702033] ? __warn+0x80/0x110 <4>[ 55.712142] ? refcount_warn_saturate+0x51/0x110 3] RSP: 002b:00007ffd7c01f618 EFLAGS: 00000246 ORIG_RAX: 0000000<4>[ 55.717592] ? report_bug+0x9e/0xc0 000000001 # [ 44.989741] RAX: ffffffffffffffda RBX: 000000000<4>[ 55.727990] ? handle_bug+0x41/0x90 <4>[ 55.738391] ? exc_invalid_op+0x14/0x70 0000011 RCX: 00007f44694e5473 # [ 44.998002] RDX: 00000000000<4>[ 55.742966] ? asm_exc_invalid_op+0x12/0x20 00011 RSI: 00007f44693d9000 RDI: 0000000000000001 # [ 45.0062<4>[ 55.754143] ? refcount_warn_saturate+0x51/0x110 <4>[ 55.765807] ? refcount_warn_saturate+0x51/0x110 63] RBP: 00007f44693d9000 R08: 00007f44693d8010 R09: 00000000000<4>[ 55.771283] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 00000 # [ 45.014525] R10: fffffffffffffbc5 R11: 0000000000000<4>[ 55.783235] direct_entry.cold+0x2c/0x38 246 R12: 0000000000000001 # [ 45.022787] R13: 000000000000000<4>[ 55.794124] full_proxy_write+0x53/0x80 1 R14: 0000000000020000 R15: 0000000000020000 # [ 45.031042] <4>[ 55.804943] vfs_write+0xe7/0x3b0 Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sens<4>[ 55.815139] ksys_write+0x68/0xf0 ors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf<4>[ 55.825347] do_syscall_64+0x30/0x40 <4>[ 55.835845] entry_SYSCALL_64_after_hwframe+0x61/0xc6 industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_<4>[ 55.841782] RIP: 0033:0x7f26f91c3473 <4>[ 55.852275] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_us<4>[ 55.873559] RSP: 002b:00007ffe70e569f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 55.888520] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f26f91c3473 bpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_e<4>[ 55.896786] RDX: 0000000000000017 RSI: 00007f26f90b7000 RDI: 0000000000000001 <4>[ 55.911265] RBP: 00007f26f90b7000 R08: 00007f26f90b6010 R09: 0000000000000000 c_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_therma<4>[ 55.919531] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 55.934009] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 l cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_<4>[ 55.942280] irq event stamp: 0 i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight cor<4>[ 55.952190] hardirqs last enabled at (0): [<0000000000000000>] 0x0 eboot_table # [ 45.083812] CR2: 00007f44695fe000 # [ 45.08<4>[ 55.965704] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 7801] ---[ end trace ffd54ce207130e84 ]--- # [ 45.093238] RIP<4>[ 55.981355] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 55.997005] softirqs last disabled at (0): [<0000000000000000>] 0x0 : 0010:lkdtm_BUG+0x5/0x10 # [ 45.097913] Code: 89 ff e8 4e e7<4>[ 56.004301] ---[ end trace ffd54ce207130e93 ]--- <6>[ 56.015960] lkdtm: Saturation detected: still saturated 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 57 e9 02 # [ 45.119184] RSP: 0018:ffffac21c131fe60 EFLAGS: 00010286 # [ 45.125309] RAX: ffffffffa0379430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 45.133559] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffffffffa137e830 # [ 45.141818] RBP: ffffffffa185db78 R08: 0000000000000001 R09: 0000000000000001 # [ 45.150079] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 45.158340] R13: ffffac21c131ff10 R14: ffffac21c131ff10 R15: ffff9efcc43c9000 # [ 45.166599] FS: 00007f44695cf580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000 # [ 45.175927] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 45.182625] CR2: 00007f44695fe000 CR3: 0000000102664001 CR4: 00000000003706f0 # [ 45.190884] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 45.201086] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1794, name: cat # [ 45.209822] INFO: lockdep is turned off. # [ 45.214489] irq event stamp: 0 # [ 45.218185] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 45.225475] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 45.234891] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 45.244317] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 45.251597] CPU: 0 PID: 1794 Comm: cat Tainted: G D W 5<6>[ 56.174714] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED .10.181-cip34 #1 # [ 45.260535] Hardware name: Google Rammus/<6>[ 56.184574] lkdtm: attempting bad refcount_dec() from saturated Rammus, BIOS 09/04/2020 # [ 45.267629] Call Trace: # [ 45<4>[ 56.197732] ------------[ cut here ]------------ .270649] dump_stack+0x77/0x9b # [ 45.274642] ___might_sleep<4>[ 56.209372] refcount_t: decrement hit 0; leaking memory. .cold+0xa6/0xb6 # [ 45.279497] exit_signals+0x1c/0x300 # [ <4>[ 56.221815] WARNING: CPU: 0 PID: 2336 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 45.283783] do_exit+0xc2/0xab0 # [ 45.287577] ? ksys_write<4>[ 56.237796] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table +0x68/0xf0 # [ 45.291760] make_task_dead+0x2f/0x30 # [ 45<4>[ 56.296721] CPU: 0 PID: 2336 Comm: cat Tainted: G D W 5.10.181-cip34 #1 .296135] rewind_stack_and_make_dead+0x17/0x20 # [ 45.301676]<4>[ 56.311955] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 RIP: 0033:0x7f44694e5473 # [ 45.305955] Code: 8b 15 21 2a 0e<4>[ 56.325231] RIP: 0010:refcount_warn_saturate+0xfb/0x110 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 <4>[ 56.337607] Code: 18 47 75 a1 c6 05 8d f2 f6 01 01 e8 96 fd c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 e8 46 75 a1 c6 05 74 f2 f6 01 01 e8 7c fd c0 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff<4>[ 56.365060] RSP: 0018:ffffac21c2d87e48 EFLAGS: 00010286 ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 45.32<4>[ 56.377446] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 7217] RSP: 002b:00007ffd7c01f618 EFLAGS: 00000246 ORIG_RAX: 0000<4>[ 56.391886] RDX: ffff9efd3ac2c660 RSI: ffff9efd3ac1bf70 RDI: ffff9efd3ac1bf70 000000000001 # [ 45.335964] RAX: ffffffffffffffda RBX: 000000<4>[ 56.406396] RBP: ffffffffa17f975c R08: 0000000000000000 R09: 0000000000000000 0000000011 RCX: 00007f44694e5473 # [ 45.344214] RDX: 00000000<4>[ 56.420855] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 00000011 RSI: 00007f44693d9000 RDI: 0000000000000001 # [ 45.3<4>[ 56.435339] R13: ffffac21c2d87f10 R14: ffffac21c2d87f10 R15: ffff9efcc3d2d000 52463] RBP: 00007f44693d9000 R08: 00007f44693d8010 R09: 00000000<4>[ 56.449815] FS: 00007fc60cb5d580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000 00000000 # [ 45.360722] R10: fffffffffffffbc5 R11: 0000000000<4>[ 56.465376] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 000246 R12: 0000000000000001 # [ 45.368979] R13: 000000000000<4>[ 56.478301] CR2: 00007fc60c967000 CR3: 0000000105f92005 CR4: 00000000003706f0 0001 R14: 0000000000020000 R15: 0000000000020000 # ACCESS_USERS<4>[ 56.492785] Call Trace: PACE: saw 'call trace:': ok ok 37 selftests: lkdtm: ACCESS_USER<4>[ 56.502026] ? __warn+0x80/0x110 SPACE.sh # selftests: lkdtm: ACCESS_NULL.sh # Killed # [ 45<4>[ 56.512149] ? refcount_warn_saturate+0xfb/0x110 .587652] lkdtm: Performing direct entry ACCESS_NULL # [ 45.59<4>[ 56.523807] ? report_bug+0x9e/0xc0 4622] lkdtm: attempting bad read at 0000000000000000 # [ 45.6<4>[ 56.534213] ? handle_bug+0x41/0x90 07255] BUG: kernel NULL pointer dereference, address: 0000000000<4>[ 56.544607] ? exc_invalid_op+0x14/0x70 000000 # [ 45.621513] #PF: supervisor read access in kernel m<4>[ 56.555430] ? asm_exc_invalid_op+0x12/0x20 ode # [ 45.627531] #PF: error_code(0x0000) - not-present page<4>[ 56.566588] ? refcount_warn_saturate+0xfb/0x110 # [ 45.633555] PGD 0 P4D 0 # [ 45.636662] Oops: 0000 [#1<4>[ 56.578246] ? refcount_warn_saturate+0xfb/0x110 3] SMP PTI # [ 45.640933] CPU: 0 PID: 1829 Comm: cat Tainted:<4>[ 56.589910] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f G D W 5.10.181-cip34 #1 # [ 45.649862] Hardware<4>[ 56.601886] direct_entry.cold+0x2c/0x38 name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 45.656959] <4>[ 56.612763] full_proxy_write+0x53/0x80 RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 45.662496] Code: 93<4>[ 56.623557] vfs_write+0xe7/0x3b0 d7 fb ff be 00 10 00 00 48 89 ef e8 35 65 0f ff e9 69 ff ff ff <4>[ 56.633767] ksys_write+0x68/0xf0 0f 1f 44 00 00 53 31 f6 48 c7 c7 a8 a5 7f a1 e8 6d d7 fb ff <48><4>[ 56.643998] do_syscall_64+0x30/0x40 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 d0 a5 7f a1 48 01 <4>[ 56.654502] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 45.683756] RSP: 0018:ffffac21c254fe58 EFLAGS: 00010246 #<4>[ 56.666671] RIP: 0033:0x7fc60ca73473 [ 45.689878] RAX: 000000000000002e RBX: 0000000000000027 RCX:<4>[ 56.677147] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 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 # [ 45.698137] RDX: 0000000000000000 RSI: f<4>[ 56.704659] RSP: 002b:00007fff815aaf28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 fff9efd3ac1bf70 RDI: ffff9efd3ac1bf70 # [ 45.706396] RBP: fff<4>[ 56.719607] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fc60ca73473 fffffa17f9699 R08: 0000000000000000 R09: 0000000000000000 # [ <4>[ 56.734130] RDX: 0000000000000017 RSI: 00007fc60c967000 RDI: 0000000000000001 45.714655] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000<4>[ 56.748575] RBP: 00007fc60c967000 R08: 00007fc60c966010 R09: 0000000000000000 000000000000c # [ 45.722904] R13: ffffac21c254ff10 R14: ffffa<4>[ 56.763067] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 c21c254ff10 R15: ffff9efcc30ad000 # [ 45.731164] FS: 00007f3<4>[ 56.777542] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 b188b7580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000<4>[ 56.792031] irq event stamp: 0 # [ 45.740482] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005<4>[ 56.801941] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0033 # [ 45.747187] CR2: 0000000000000000 CR3: 0000000106c0c0<4>[ 56.815436] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 01 CR4: 00000000003706f0 # [ 45.755448] Call Trace: # [ 45<4>[ 56.831113] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 .758469] ? __die_body.cold+0x1a/0x1f # [ 45.763135] ? no_co<4>[ 56.846753] softirqs last disabled at (0): [<0000000000000000>] 0x0 ntext+0x177/0x380 # [ 45.767521] ? exc_page_fault+0x53/0x170<4>[ 56.860266] ---[ end trace ffd54ce207130e94 ]--- # [ 45.772186] ? asm_exc_page_fault+0x1e/0x30 # [ 45.777<6>[ 56.871945] lkdtm: Saturation detected: still saturated 149] ? lkdtm_ACCESS_NULL+0x14/0x53 # [ 45.782015] ? lkdtm_ACCESS_NULL+0x14/0x53 # [ 45.786876] direct_entry.cold+0x2c/0x38 # [ 45.791546] full_proxy_write+0x53/0x80 # [ 45.796125] vfs_write+0xe7/0x3b0 # [ 45.800114] ksys_write+0x68/0xf0 # [ 45.804102] do_syscall_64+0x30/0x40 # [ 45.808372] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 45.814301] RIP: 0033:0x7f3b187cd473 # [ 45.818581] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 45.839853] RSP: 002b:00007ffc56be5588 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 45.848598] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f3b187cd473 # [ 45.856857] RDX: 000000000000000c RSI: 00007f3b186c1000 RDI: 0000000000000001 # [ 45.865117] RBP: 00007f3b186c1000 R08: 00007f3b186c0010 R09: 0000000000000000 # [ 45.873377] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 45.881637] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 45.889899] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c<6>[ 57.039310] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight corebo<6>[ 57.046824] lkdtm: attempting bad refcount_dec() from saturated ot_table # [ 45.942667] CR2: 0000000000000000 # [ 45.94665<4>[ 57.059928] ------------[ cut here ]------------ 6] ---[ end trace ffd54ce207130e85 ]--- # [ 45.952102] RIP: 0<4>[ 57.071581] refcount_t: saturated; leaking memory. 010:lkdtm_BUG+0x5/0x10 # [ 45.956774] Code: 89 ff e8 4e e7 79<4>[ 57.083496] WARNING: CPU: 0 PID: 2371 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc <4>[ 57.099430] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84<4>[ 57.158397] CPU: 0 PID: 2371 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 57.173543] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 00 00 00 00 00 0f 1f 44 00 00 83 05 60 57 e9 02 # [ 45.97804<4>[ 57.180667] RIP: 0010:refcount_warn_saturate+0x51/0x110 8] RSP: 0018:ffffac21c131fe60 EFLAGS: 00010286 # [ 45.984172]<4>[ 57.193045] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 31 f3 f6 01 00 75 ee 48 c7 c7 68 46 75 a1 c6 05 21 f3 f6 01 01 e8 26 fe c0 00 <0f> 0b c3 cc cc cc cc 80 3d 0d f3 f6 01 00 75 cb 48 c7 c7 90 46 75 RAX: ffffffffa0379430 RBX: 0000000000000001 RCX: 00000000000000<4>[ 57.220532] RSP: 0018:ffffac21c2e17e48 EFLAGS: 00010286 00 # [ 45.992431] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70<4>[ 57.232924] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 RDI: ffffffffa137e830 # [ 46.000691] RBP: ffffffffa185db78 R<4>[ 57.247409] RDX: ffff9efd3ac2c660 RSI: ffff9efd3ac1bf70 RDI: ffff9efd3ac1bf70 08: 0000000000000001 R09: 0000000000000001 # [ 46.008950] R10<4>[ 57.261867] RBP: ffffffffa17f9773 R08: 0000000000000000 R09: 0000000000000000 : 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 57.276323] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 46.017209] R13: ffffac21c131ff10 R14: ffffac21c131ff10 R15<4>[ 57.290832] R13: ffffac21c2e17f10 R14: ffffac21c2e17f10 R15: ffff9efcc5bb5000 : ffff9efcc43c9000 # [ 46.025468] FS: 00007f3b188b7580(0000)<4>[ 57.305293] FS: 00007fa15bdd9580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000 GS:ffff9efd3ac00000(0000) knlGS:0000000000000000 # [ 46.0347<4>[ 57.320873] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 96] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.<4>[ 57.333780] CR2: 00007fa15bbe3000 CR3: 0000000106e60001 CR4: 00000000003706f0 041502] CR2: 0000000000000000 CR3: 0000000106c0c001 CR4: 0000000<4>[ 57.348314] Call Trace: 0003706f0 # ACCESS_NULL: saw 'call trace:': ok ok 38 selftests<4>[ 57.357525] ? __warn+0x80/0x110 : lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh # Kill<4>[ 57.367642] ? refcount_warn_saturate+0x51/0x110 ed # [ 46.156429] lkdtm: Performing direct entry WRITE_RO # <4>[ 57.379296] ? report_bug+0x9e/0xc0 [ 46.167390] lkdtm: attempting bad rodata write at ffffffffa13<4>[ 57.389759] ? handle_bug+0x41/0x90 7ecb0 # [ 46.174601] BUG: unable to handle page fault for add<4>[ 57.400113] ? exc_invalid_op+0x14/0x70 ress: ffffffffa137ecb0 # [ 46.182582] #PF: supervisor write a<4>[ 57.410915] ? asm_exc_invalid_op+0x12/0x20 ccess in kernel mode # [ 46.188711] #PF: error_code(0x0003) -<4>[ 57.422077] ? refcount_warn_saturate+0x51/0x110 permissions violation # [ 46.201439] PGD 20629067 P4D 206290<4>[ 57.433805] ? refcount_warn_saturate+0x51/0x110 67 PUD 2062a063 PMD 800000001fe000e1 # [ 46.209220] Oops: 00<4>[ 57.445453] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 03 [#14] SMP PTI # [ 46.219732] CPU: 2 PID: 1864 Comm: cat Ta<4>[ 57.457432] direct_entry.cold+0x2c/0x38 inted: G D W 5.10.181-cip34 #1 # [ 46.228676] Ha<4>[ 57.468317] full_proxy_write+0x53/0x80 rdware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 46.23<4>[ 57.479112] vfs_write+0xe7/0x3b0 5776] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 46.241029] Code:<4>[ 57.489286] ksys_write+0x68/0xf0 00 48 c7 c7 88 a4 7f a1 48 c7 c6 b0 ec 37 a1 e8 17 da fb ff 48 <4>[ 57.499504] do_syscall_64+0x30/0x40 8b 05 2f 06 97 00 ba 34 12 cd ab 48 c7 c7 b8 a4 7f a1 48 31 d0 <<4>[ 57.510010] entry_SYSCALL_64_after_hwframe+0x61/0xc6 48> 89 05 19 06 97 00 e9 f5 d9 fb ff 0f 1f 44 00 00 48 8b 05 88 <4>[ 57.522170] RIP: 0033:0x7fa15bcef473 fc # [ 46.262298] RSP: 0018:ffffac21c25efe60 EFLAGS: 00010202<4>[ 57.532656] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 46.268440] RAX: 000000000198b861 RBX: 0000000000000028 R<4>[ 57.560155] RSP: 002b:00007ffdcad074e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 CX: 0000000000000000 # [ 46.276701] RDX: 00000000abcd1234 RSI<4>[ 57.575105] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fa15bcef473 : ffff9efd3ad1bf70 RDI: ffffffffa17fa4b8 # [ 46.284961] RBP: <4>[ 57.589613] RDX: 0000000000000017 RSI: 00007fa15bbe3000 RDI: 0000000000000001 ffffffffa17f96a5 R08: 0000000000000000 R09: 0000000000000000 # <4>[ 57.604075] RBP: 00007fa15bbe3000 R08: 00007fa15bbe2010 R09: 0000000000000000 [ 46.293221] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: <4>[ 57.618574] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 0000000000000009 # [ 46.301493] R13: ffffac21c25eff10 R14: ff<4>[ 57.633041] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ffac21c25eff10 R15: ffff9efcc5f93000 # [ 46.309754] FS: 0000<4>[ 57.647541] irq event stamp: 0 7f263c84f580(0000) GS:ffff9efd3ad00000(0000) knlGS:0000000000000<4>[ 57.657441] hardirqs last enabled at (0): [<0000000000000000>] 0x0 000 # [ 46.319084] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008<4>[ 57.670973] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 0050033 # [ 46.325792] CR2: ffffffffa137ecb0 CR3: 0000000106d<4>[ 57.686601] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 ec002 CR4: 00000000003706e0 # [ 46.334055] Call Trace: # [ <4>[ 57.702268] softirqs last disabled at (0): [<0000000000000000>] 0x0 46.337076] ? __die_body.cold+0x1a/0x1f # [ 46.341747] ? no<4>[ 57.715761] ---[ end trace ffd54ce207130e95 ]--- _context+0x177/0x380 # [ 46.346127] ? exc_page_fault+0xd7/0x<6>[ 57.727447] lkdtm: Saturation detected: still saturated 170 # [ 46.350798] ? asm_exc_page_fault+0x1e/0x30 # [ 46.355762] ? lkdtm_WRITE_RO+0x2e/0x3a # [ 46.360334] direct_entry.cold+0x2c/0x38 # [ 46.364997] full_proxy_write+0x53/0x80 # [ 46.369570] vfs_write+0xe7/0x3b0 # [ 46.373558] ksys_write+0x68/0xf0 # [ 46.377548] do_syscall_64+0x30/0x40 # [ 46.381829] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 46.387753] RIP: 0033:0x7f263c765473 # [ 46.392033] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 46.413308] RSP: 002b:00007ffca1b59408 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 46.422048] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f263c765473 # [ 46.430308] RDX: 0000000000000009 RSI: 00007f263c659000 RDI: 0000000000000001 # [ 46.438570] RBP: 00007f263c659000 R08: 00007f263c658010 R09: 0000000000000000 # [ 46.446832] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 46.455092] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 46.463357] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 46.522354] CR2: ffffffffa137ecb0 # [ 46.526342] ---[ end trace ffd54ce207130e86 ]--- # [ 46<6>[ 57.907711] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED <6>[ 57.921757] lkdtm: attempting bad refcount_inc_not_zero() from saturated <4>[ 57.929567] ------------[ cut here ]------------ <4>[ 57.935013] refcount_t: saturated; leaking memory. <4>[ 57.940684] WARNING: CPU: 3 PID: 2403 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 .531789] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 46.536457] Code: 89<4>[ 57.950411] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 58.009379] CPU: 3 PID: 2403 Comm: cat Tainted: G D W 5.10.181-cip34 #1 ff e8 4e e7 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff <4>[ 58.018326] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f><4>[ 58.031644] RIP: 0010:refcount_warn_saturate+0x97/0x110 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 57 e9 02 <4>[ 58.043989] Code: 01 01 e8 03 fe c0 00 0f 0b c3 cc cc cc cc 80 3d ec f2 f6 01 00 75 a8 48 c7 c7 68 46 75 a1 c6 05 dc f2 f6 01 01 e8 e0 fd c0 00 <0f> 0b c3 cc cc cc cc 80 3d c6 f2 f6 01 00 75 85 48 c7 c7 c0 46 75 <4>[ 58.071506] RSP: 0018:ffffac21c2e8fe38 EFLAGS: 00010282 <4>[ 58.077663] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 <4>[ 58.085928] RDX: ffff9efd3adac660 RSI: ffff9efd3ad9bf70 RDI: ffff9efd3ad9bf70 <4>[ 58.094216] RBP: ffffffffa17f93a0 R08: 0000000000000000 R09: 0000000000000000 # [ 46.557734] RSP: 0018:ffffac21c131fe60 EFLAGS: 00010286 #<4>[ 58.102494] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 <4>[ 58.116969] R13: ffffac21c2e8ff10 R14: ffffac21c2e8ff10 R15: ffff9efcc5f4c000 <4>[ 58.125234] FS: 00007f5075b93580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000 <4>[ 58.134566] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 58.141267] CR2: 00007f507599d000 CR3: 0000000103cee004 CR4: 00000000003706e0 <4>[ 58.149521] Call Trace: <4>[ 58.152537] ? __warn+0x80/0x110 <4>[ 58.156463] ? refcount_warn_saturate+0x97/0x110 <4>[ 58.161932] ? report_bug+0x9e/0xc0 <4>[ 58.166119] ? handle_bug+0x41/0x90 <4>[ 58.170304] ? exc_invalid_op+0x14/0x70 <4>[ 58.174878] ? asm_exc_invalid_op+0x12/0x20 <4>[ 58.179845] ? refcount_warn_saturate+0x97/0x110 <4>[ 58.185300] ? refcount_warn_saturate+0x97/0x110 <4>[ 58.190748] __refcount_add_not_zero.constprop.0+0x2a/0x35 <4>[ 58.197168] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 <4>[ 58.203781] direct_entry.cold+0x2c/0x38 <4>[ 58.208455] full_proxy_write+0x53/0x80 <4>[ 58.213030] vfs_write+0xe7/0x3b0 <4>[ 58.217021] ksys_write+0x68/0xf0 <4>[ 58.221013] do_syscall_64+0x30/0x40 <4>[ 58.225295] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 58.231229] RIP: 0033:0x7f5075aa9473 <4>[ 58.235511] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 58.256791] RSP: 002b:00007ffe2b68d1d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 58.265541] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f5075aa9473 <4>[ 58.273797] RDX: 0000000000000020 RSI: 00007f507599d000 RDI: 0000000000000001 <4>[ 58.282052] RBP: 00007f507599d000 R08: 00007f507599c010 R09: 0000000000000000 <4>[ 58.290317] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 58.298580] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 58.306846] irq event stamp: 0 [ 46.563850] RAX: ffffffffa0379430 RBX: 0000000000000001 RCX:<4>[ 58.310572] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0000000000000000 # [ 46.572110] RDX: 0000000000000000 RSI: f<4>[ 58.324083] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 58.339728] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 fff9efd3ad9bf70 RDI: ffffffffa137e830 # [ 46.580372] RBP: fff<4>[ 58.349158] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 58.362665] ---[ end trace ffd54ce207130e96 ]--- <6>[ 58.368112] lkdtm: Saturation detected: still saturated fffffa185db78 R08: 0000000000000001 R09: 0000000000000001 # [ 46.588632] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 46.596893] R13: ffffac21c131ff10 R14: ffffac21c131ff10 R15: ffff9efcc43c9000 # [ 46.605154] FS: 00007f263c84f580(0000) GS:ffff9efd3ad00000(0000) knlGS:0000000000000000 # [ 46.614496] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.621202] CR2: ffffffffa137ecb0 CR3: 0000000106dec002 CR4: 00000000003706e0 # [ 46.629464] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 46.639687] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1864, name: cat # [ 46.648440] INFO: lockdep is turned off. # [ 46.653107] irq event stamp: 0 # [ 46.656803] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 46.664094] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 46.673522] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 46.682947] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 46.690237] CPU: 2 PID: 1864 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 46.699177] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 46.706272] Call Trace: # [ 46.709292] dump_stack+0x77/0x9b # [ 46.713282] ___might_sleep.cold+0xa6/0xb6 # [ 46.718147] exit_signals+0x1c/0x300 # [ 46.722441] do_exit+0xc2/0xab0 # [ 46.726238] ? ksys_write+0x68/0xf0 # [ 46.730440] make_task_dead+0x2f/0x30 # [ 46.734819] rewind_stack_and_make_dead+0x17/0x20 # [ <6>[ 58.527642] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED 46.746572] RIP: 0033:0x7f263c765473 # [ 46.750851] Code: 8b<6>[ 58.538312] lkdtm: attempting bad refcount_add_not_zero() from saturated 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f <4>[ 58.552291] ------------[ cut here ]------------ 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48><4>[ 58.563955] refcount_t: saturated; leaking memory. 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 58.575845] WARNING: CPU: 1 PID: 2435 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 46.772126] RSP: 002b:00007ffca1b59408 EFLAGS: 00000246 OR<4>[ 58.591754] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table IG_RAX: 0000000000000001 # [ 46.780865] RAX: ffffffffffffffda<4>[ 58.650723] CPU: 1 PID: 2435 Comm: cat Tainted: G D W 5.10.181-cip34 #1 RBX: 0000000000000009 RCX: 00007f263c765473 # [ 46.789125] R<4>[ 58.665886] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 DX: 0000000000000009 RSI: 00007f263c659000 RDI: 0000000000000001<4>[ 58.679201] RIP: 0010:refcount_warn_saturate+0x97/0x110 <4>[ 58.691545] Code: 01 01 e8 03 fe c0 00 0f 0b c3 cc cc cc cc 80 3d ec f2 f6 01 00 75 a8 48 c7 c7 68 46 75 a1 c6 05 dc f2 f6 01 01 e8 e0 fd c0 00 <0f> 0b c3 cc cc cc cc 80 3d c6 f2 f6 01 00 75 85 48 c7 c7 c0 46 75 # [ 46.797387] RBP: 00007f263c659000 R08: 00007f263c658010 R<4>[ 58.712852] RSP: 0018:ffffac21c2f17e38 EFLAGS: 00010282 09: 0000000000000000 # [ 46.805647] R10: fffffffffffffbc5 R11<4>[ 58.725171] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 <4>[ 58.739651] RDX: ffff9efd3acac660 RSI: ffff9efd3ac9bf70 RDI: ffff9efd3ac9bf70 : 0000000000000246 R12: 0000000000000001 # [ 46.813908] R13: <4>[ 58.747917] RBP: ffffffffa17f93c0 R08: 0000000000000000 R09: 0000000000000000 <4>[ 58.762392] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # <4>[ 58.770658] R13: ffffac21c2f17f10 R14: ffffac21c2f17f10 R15: ffff9efcc5fdc000 <4>[ 58.785136] FS: 00007f7bfe328580(0000) GS:ffff9efd3ac80000(0000) knlGS:0000000000000000 WRITE_RO: saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_R<4>[ 58.794484] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 58.807412] CR2: 00007f7bfe132000 CR3: 0000000105ac0003 CR4: 00000000003706e0 <4>[ 58.815677] Call Trace: O.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # Killed # [ <4>[ 58.818700] ? __warn+0x80/0x110 <4>[ 58.828835] ? refcount_warn_saturate+0x97/0x110 46.979538] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT <4>[ 58.834285] ? report_bug+0x9e/0xc0 # [ 46.990618] lkdtm: attempting bad ro_after_init write at f<4>[ 58.844680] ? handle_bug+0x41/0x90 <4>[ 58.855078] ? exc_invalid_op+0x14/0x70 fffffffa187e330 # [ 47.004748] BUG: unable to handle page fau<4>[ 58.859654] ? asm_exc_invalid_op+0x12/0x20 lt for address: ffffffffa187e330 # [ 47.018887] #PF: supervis<4>[ 58.870828] ? refcount_warn_saturate+0x97/0x110 <4>[ 58.882495] ? refcount_warn_saturate+0x97/0x110 or write access in kernel mode # [ 47.025004] #PF: error_code<4>[ 58.887944] __refcount_add_not_zero.constprop.0+0x2a/0x35 <4>[ 58.900574] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 (0x0003) - permissions violation # [ 47.031516] PGD 20629067 <4>[ 58.907202] direct_entry.cold+0x2c/0x38 P4D 20629067 PUD 2062a063 PMD 105231063 PTE 800000002047e061 # <4>[ 58.918085] full_proxy_write+0x53/0x80 [ 47.040563] Oops: 0003 [#15] SMP PTI # [ 47.044844] CPU: 0<4>[ 58.928881] vfs_write+0xe7/0x3b0 PID: 1899 Comm: cat Tainted: G D W 5.10.181-cip34 <4>[ 58.939089] ksys_write+0x68/0xf0 #1 # [ 47.053785] Hardware name: Google Rammus/Rammus, BIOS <4>[ 58.949299] do_syscall_64+0x30/0x40 09/04/2020 # [ 47.060886] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT<4>[ 58.959798] entry_SYSCALL_64_after_hwframe+0x61/0xc6 +0x4e/0x5a # [ 47.067203] Code: a4 7f a1 e9 c9 d9 fb ff 48 c7<4>[ 58.971950] RIP: 0033:0x7f7bfe23e473 c7 10 a5 7f a1 e8 bd d9 fb ff 48 8b 05 55 fc e6 00 ba 34 12 cd <4>[ 58.982450] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 ab 48 c7 c7 b8 a4 7f a1 48 31 d0 <48> 89 05 3f fc e6 00 e9 9b d9<4>[ 59.009949] RSP: 002b:00007ffebabaa178 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 fb ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 47.088489] RSP: 0018<4>[ 59.024917] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f7bfe23e473 :ffffac21c267fe60 EFLAGS: 00010202 # [ 47.094615] RAX: 000000<4>[ 59.039399] RDX: 0000000000000020 RSI: 00007f7bfe132000 RDI: 0000000000000001 00fe67479e RBX: 0000000000000029 RCX: 0000000000000000 # [ 47<4>[ 59.053882] RBP: 00007f7bfe132000 R08: 00007f7bfe131010 R09: 0000000000000000 .102876] RDX: 00000000abcd1234 RSI: ffff9efd3ac1bf70 RDI: ffffff<4>[ 59.068365] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 ffa17fa4b8 # [ 47.111138] RBP: ffffffffa17f96ae R08: 00000000<4>[ 59.082850] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00000000 R09: 0000000000000000 # [ 47.119398] R10: 00000000ff<4>[ 59.097339] irq event stamp: 0 ffe000 R11: 3fffffffffffffff R12: 0000000000000014 # [ 47.127<4>[ 59.107253] hardirqs last enabled at (0): [<0000000000000000>] 0x0 659] R13: ffffac21c267ff10 R14: ffffac21c267ff10 R15: ffff9efcc5<4>[ 59.120762] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 f71000 # [ 47.135921] FS: 00007f8dd035b580(0000) GS:ffff9efd<4>[ 59.136410] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 59.152058] softirqs last disabled at (0): [<0000000000000000>] 0x0 3ac00000(0000) knlGS:0000000000000000 # [ 47.145250] CS: 001<4>[ 59.159353] ---[ end trace ffd54ce207130e97 ]--- 0 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.151957] CR2:<6>[ 59.171017] lkdtm: Saturation detected: still saturated ffffffffa187e330 CR3: 0000000103b92004 CR4: 00000000003706f0 # [ 47.160219] Call Trace: # [ 47.163239] ? __die_body.cold+0x1a/0x1f # [ 47.167914] ? no_context+0x177/0x380 # [ 47.172301] ? exc_page_fault+0xd7/0x170 # [ 47.176978] ? asm_exc_page_fault+0x1e/0x30 # [ 47.181941] ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 47.187587] direct_entry.cold+0x2c/0x38 # [ 47.192257] full_proxy_write+0x53/0x80 # [ 47.196837] vfs_write+0xe7/0x3b0 # [ 47.200827] ksys_write+0x68/0xf0 # [ 47.204817] do_syscall_64+0x30/0x40 # [ 47.209088] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 47.215011] RIP: 0033:0x7f8dd0271473 # [ 47.219281] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 47.240558] RSP: 002b:00007ffecf6b62d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 47.249305] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f8dd0271473 # [ 47.257565] RDX: 0000000000000014 RSI: 00007f8dd0165000 RDI: 0000000000000001 # [ 47.265827] RBP: 00007f8dd0165000 R08: 00007f8dd0164010 R09: 0000000000000000 # [ 47.274090] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 47.282352] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 47.290617] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf indust<6>[ 59.331857] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED <6>[ 59.340498] lkdtm: attempting bad refcount_dec_and_test() from saturated <4>[ 59.348309] ------------[ cut here ]------------ <4>[ 59.353758] refcount_t: underflow; use-after-free. <4>[ 59.359430] WARNING: CPU: 3 PID: 2470 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 rialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs<4>[ 59.369162] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 59.428131] CPU: 3 PID: 2470 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 59.437076] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 59.444177] RIP: 0010:refcount_warn_saturate+0xba/0x110 <4>[ 59.450306] Code: 01 01 e8 e0 fd c0 00 0f 0b c3 cc cc cc cc 80 3d c6 f2 f6 01 00 75 85 48 c7 c7 c0 46 75 a1 c6 05 b6 f2 f6 01 01 e8 bd fd c0 00 <0f> 0b c3 cc cc cc cc 80 3d a1 f2 f6 01 00 0f 85 5e ff ff ff 48 c7 <4>[ 59.471585] RSP: 0018:ffffac21c2f9fe40 EFLAGS: 00010286 <4>[ 59.477713] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 <4>[ 59.485979] RDX: ffff9efd3adac660 RSI: ffff9efd3ad9bf70 RDI: ffff9efd3ad9bf70 <4>[ 59.494243] RBP: ffffffffa17f93e0 R08: 0000000000000000 R09: 0000000000000000 <4>[ 59.502508] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 <4>[ 59.510774] R13: ffffac21c2f9ff10 R14: ffffac21c2f9ff10 R15: ffff9efcc3c45000 <4>[ 59.519040] FS: 00007fbdba71f580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000 <4>[ 59.528373] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 59.535084] CR2: 00007fbdba529000 CR3: 0000000106dfa006 CR4: 00000000003706e0 <4>[ 59.543350] Call Trace: <4>[ 59.546373] ? __warn+0x80/0x110 <4>[ 59.550287] ? refcount_warn_saturate+0xba/0x110 <4>[ 59.555736] ? report_bug+0x9e/0xc0 <4>[ 59.559923] ? handle_bug+0x41/0x90 <4>[ 59.564108] ? exc_invalid_op+0x14/0x70 <4>[ 59.568682] ? asm_exc_invalid_op+0x12/0x20 <4>[ 59.573648] ? refcount_warn_saturate+0xba/0x110 <4>[ 59.579097] __refcount_sub_and_test.constprop.0+0x3c/0x50 <4>[ 59.585517] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 <4>[ 59.592131] direct_entry.cold+0x2c/0x38 <4>[ 59.596803] full_proxy_write+0x53/0x80 <4>[ 59.601404] vfs_write+0xe7/0x3b0 cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_cha<4>[ 59.605427] ksys_write+0x68/0xf0 rger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_senso<4>[ 59.615636] do_syscall_64+0x30/0x40 rhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_<4>[ 59.626134] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 59.638286] RIP: 0033:0x7fbdba635473 <4>[ 59.642599] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 59.663880] RSP: 002b:00007ffcd2b5d1c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 59.672629] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fbdba635473 <4>[ 59.680899] RDX: 0000000000000020 RSI: 00007fbdba529000 RDI: 0000000000000001 ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cro<4>[ 59.689193] RBP: 00007fbdba529000 R08: 00007fbdba528010 R09: 0000000000000000 <4>[ 59.703670] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 59.711934] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 59.720203] irq event stamp: 0 <4>[ 59.723927] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 59.731222] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 59.740652] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 59.750082] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 59.757376] ---[ end trace ffd54ce207130e98 ]--- <6>[ 59.762824] lkdtm: Saturation detected: still saturated s_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 47.343396] CR2: ffffffffa187e330 # [ 47.347385] ---[ end trace ffd54ce207130e87 ]--- # [ 47.352833] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 47.357500] Code: 89 ff e8 4e e7 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 57 e9 02 # [ 47.378778] RSP: 0018:ffffac21c131fe60 EFLAGS: 00010286 # [ 47.384904] RAX: ffffffffa0379430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 47.393165] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffffffffa137e830 # [ 47.401437] RBP: ffffffffa185db78 R08: 0000000000000001 R09: 0000000000000001 # [ 47.409699] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 47.417961] R13: ffffac21c131ff10 R14: ffffac21c131ff10 R15: ffff9efcc43c9000 # [ 47.426224] FS: 00007f8dd035b580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000 # [ 47.435555] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.442263] CR2: ffffffffa187e330 CR3: 0000000103b92004 CR4: 00000000003706f0 # WRITE_RO_AFTER_INIT: saw 'call trace:': ok ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh # Killed # [ 47.565145] lkdtm: Performing direct entry WRITE_KERN # [ 47.574579] lkdtm: attempting bad 6901243 byte write at ffffffffa0a0e5fb # [ 47.582389] BUG: unable to handle page fault for address: ffffffffa0a0e5fb # [ 47.590372] #PF: supervisor write access in kernel mode # [ 47.596505] #PF: error_code(0x0003) - permissions violation # [ 47.609230] PGD 20629067 P4D 20629067 PUD 2062a063 PMD 1f6000e1 # [ 47.616235] Oops: 0003 [#16] SMP PTI # [ 47.626728] CPU: 3 PID: 1934 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 47.635670] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 47.642769] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 47.648215] Code: 53 48 c7 c3 fb e5 a0 a0 49 89 dc 48 89 da 49 81 ec 00 98 37 a0 4c 89 e6 e8 70 d9 fb ff 48 89 df 4c 89 e1 48 c7 c6 00 98 37 a0 a4 48 c7 c7 b8 a4 7f a1 e8 55 d9 fb ff 5b 41 5c e9 b7 fe ff ff # [ 47.669490] RSP: 0018:ffffac21c2707e50 EFLAGS: 00010246 # [ 47.675616] RAX: 000000000000003c RBX: ffffffffa0a0e5fb RCX: 0000000000694dfb # [ 47.683877] RDX: 0000000000000000 RSI: ffffffffa0379800 RDI: ffffffffa0a0e5fb # [ 47.692129] RBP: ffffffffa17f96c2 R08: 0000000000000000 R09: 0000000000000000 # [ 47.700390] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000694dfb # [ 47.708652] R13: ffffac21c2707f10 R14: ffffac21c2707f10 R15: ffff9efcc5a8d000 # [ 47.716913] FS: 00007fecdf6d2580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000 # [ 47.726243] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.732949] CR2: ffffffffa0a0e5fb CR3: 0000000102874001 CR4: 00000000003706e0 # [ 47.741211] Call Trace: # [ 47.744232] ? __die_body.cold+0x1a/0x1f # [ 47.748902] ? no_context+0x177/0x380 # [ 47.753281] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 47.759020] ? exc_page_fault+0xd7/0x170 # [ 47.763682] ? asm_exc_page_fault+0x1e/0x30 # [ 47.768643] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 47.774380] ? lkdtm_SLAB_FREE_PAGE+0x40/0x40 # [ 47.779525] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 47.785264] ? lkdtm_WRITE_KERN+0x38/0x4e # [ 47.790031] direct_entry.cold+0x2c/0x38 # [ 47.794702] full_proxy_write+0x53/0x80 # [ 47.799276] vfs_write+0xe7/0x3b0 # [ 47.803266] ksys_write+0x68/0xf0 # [ 47.807255] do_syscall_64+0x30/0x40 # [ 47.811535] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 47.817480] RIP: 0033:0x7fecdf5e8473 # [ 47.821791] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 47.843068] RSP: 002b:00007ffdaed42fd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 47.851809] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fecdf5e8473 # [ 47.860071] RDX: 000000000000000b RSI: 00007fecdf4dc000 RDI: 0000000000000001 # [ 47.868333] RBP: 00007fecdf4dc000 R08: 00007fecdf4db010 R09: 0000000000000000 # [ 47.876593] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 47.884854] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 47.893119] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 47.952115] CR2: ffffffffa0a0e5fb # [ 47.956103] ---[ end trace ffd54ce207130e88 ]--- # [ 47.961549] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 47.966218] Code: 89 ff e8 4e e7 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 57 e9 02 # [ 47.987492] RSP: 0018:ffffac21c131fe60 EFLAGS: 00010286 # [ 47.993615] RAX: ffffffffa0379430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 48.001877] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffffffffa137e830 # [ 48.010138] RBP: ffffffffa185db78 R08: 0000000000000001 R09: 0000000000000001 # [ 48.018398] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 48.026659] R13: ffffac21c131ff10 R14: ffffac21c131ff10 R15: ffff9efcc43c9000 # [ 48.034921] FS: 00007fecdf6d2580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000 # [ 48.044250] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.050957] CR2: ffffffffa0a0e5fb CR3: 0000000102874001 CR4: 00000000003706e0 # [ 48.059220] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 48.069438] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1934, name: cat # [ 48.078186] INFO: lockdep is turned off. # [ 48.082854] irq event stamp: 0 # [ 48.086551] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.093842] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 48.103262] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 48.112680] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.119970] CPU: 3 PID: 1934 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 48.128909] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.136004] Call Trace: # [ 48.139020] dump_stack+0x77/0x9b # [ 48.143010] ___might_sleep.cold+0xa6/0xb6 # [ 48.147877] exit_signals+0x1c/0x300 # [ 48.152189] do_exit+0xc2/0xab0 # [ 48.155983] ? ksys_write+0x68/0xf0 # [ 48.160167] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 48.165904] make_task_dead+0x2f/0x30 # [ 48.170282] rewind_stack_and_make_dead+0x17/0x20 # [ 48.175823] RIP: 0033:0x7fecdf5e8473 # [ 48.180102] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 48.201380] RSP: 002b:00007ffdaed42fd8 EFLAGS: 00000246 ORIG_RAX: 0000000000<6>[ 60.524832] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED <6>[ 60.535659] lkdtm: attempting bad refcount_sub_and_test() from saturated 000001 # [ 48.210128] RAX: ffffffffffffffda RBX: 000000000000<4>[ 60.543443] ------------[ cut here ]------------ <4>[ 60.555117] refcount_t: underflow; use-after-free. 000b RCX: 00007fecdf5e8473 # [ 48.218388] RDX: 00000000000000<4>[ 60.560780] WARNING: CPU: 3 PID: 2505 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 0b RSI: 00007fecdf4dc000 RDI: 0000000000000001 # [ 48.226649]<4>[ 60.576698] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 60.635701] CPU: 3 PID: 2505 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 60.644645] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 60.651737] RIP: 0010:refcount_warn_saturate+0xba/0x110 <4>[ 60.657864] Code: 01 01 e8 e0 fd c0 00 0f 0b c3 cc cc cc cc 80 3d c6 f2 f6 01 00 75 85 48 c7 c7 c0 46 75 a1 c6 05 b6 f2 f6 01 01 e8 bd fd c0 00 <0f> 0b c3 cc cc cc cc 80 3d a1 f2 f6 01 00 0f 85 5e ff ff ff 48 c7 <4>[ 60.679145] RSP: 0018:ffffac21c302fe40 EFLAGS: 00010286 <4>[ 60.685272] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 <4>[ 60.693536] RDX: ffff9efd3adac660 RSI: ffff9efd3ad9bf70 RDI: ffff9efd3ad9bf70 <4>[ 60.701793] RBP: ffffffffa17f9400 R08: 0000000000000000 R09: 0000000000000000 <4>[ 60.710057] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 <4>[ 60.718320] R13: ffffac21c302ff10 R14: ffffac21c302ff10 R15: ffff9efcc59b8000 <4>[ 60.726585] FS: 00007ff372a7b580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000 <4>[ 60.735917] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 60.742620] CR2: 00007ff372885000 CR3: 0000000103bc8006 CR4: 00000000003706e0 <4>[ 60.750883] Call Trace: <4>[ 60.753906] ? __warn+0x80/0x110 <4>[ 60.757832] ? refcount_warn_saturate+0xba/0x110 <4>[ 60.763280] ? report_bug+0x9e/0xc0 <4>[ 60.767481] ? handle_bug+0x41/0x90 <4>[ 60.771699] ? exc_invalid_op+0x14/0x70 <4>[ 60.776273] ? asm_exc_invalid_op+0x12/0x20 <4>[ 60.781240] ? refcount_warn_saturate+0xba/0x110 <4>[ 60.786719] __refcount_sub_and_test.constprop.0+0x3c/0x50 <4>[ 60.793139] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 <4>[ 60.799752] direct_entry.cold+0x2c/0x38 RBP: 00007fecdf4dc000 R08: 00007fecdf4db010 R09: 00000000000000<4>[ 60.804428] full_proxy_write+0x53/0x80 00 # [ 48.234911] R10: fffffffffffffbc5 R11: 0000000000000246<4>[ 60.815220] vfs_write+0xe7/0x3b0 <4>[ 60.825423] ksys_write+0x68/0xf0 R12: 0000000000000001 # [ 48.243174] R13: 0000000000000001 R<4>[ 60.829422] do_syscall_64+0x30/0x40 <4>[ 60.839926] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 60.845890] RIP: 0033:0x7ff372991473 <4>[ 60.850172] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 14: 0000000000020000 R15: 0000000000020000 # WRITE_KERN: saw 'c<4>[ 60.871461] RSP: 002b:00007ffc3866a568 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 all trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selfte<4>[ 60.886445] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007ff372991473 <4>[ 60.900924] RDX: 0000000000000020 RSI: 00007ff372885000 RDI: 0000000000000001 <4>[ 60.909187] RBP: 00007ff372885000 R08: 00007ff372884010 R09: 0000000000000000 <4>[ 60.917444] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 sts: lkdtm: REFCOUNT_INC_OVERFLOW.sh # [ 48.376740] lkdtm: Pe<4>[ 60.925712] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 60.940190] irq event stamp: 0 <4>[ 60.943914] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 60.951207] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 60.960638] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 60.970067] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 60.977359] ---[ end trace ffd54ce207130e99 ]--- <6>[ 60.982799] lkdtm: Saturation detected: still saturated rforming direct entry REFCOUNT_INC_OVERFLOW # [ 48.388967] lkdtm: attempting good refcount_inc() without overflow # [ 48.396190] lkdtm: attempting bad refcount_inc() overflow # [ 48.402525] ------------[ cut here ]------------ # [ 48.407980] refcount_t: saturated; leaking memory. # [ 48.413653] WARNING: CPU: 3 PID: 1969 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 48.423383] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 48.482348] CPU: 3 PID: 1969 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 48.491324] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.498450] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 48.504586] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 31 f3 f6 01 00 75 ee 48 c7 c7 68 46 75 a1 c6 05 21 f3 f6 01 01 e8 26 fe c0 00 <0f> 0b c3 cc cc cc cc 80 3d 0d f3 f6 01 00 75 cb 48 c7 c7 90 46 75 # [ 48.532079] RSP: 0018:ffffac21c27a7e48 EFLAGS: 00010286 # [ 48.544421] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 # [ 48.558902] RDX: ffff9efd3adac660 RSI: ffff9efd3ad9bf70 RDI: ffff9efd3ad9bf70 # [ 48.573382] RBP: ffffffffa17f96cd R08: 0000000000000000 R09: 0000000000000000 # [ 48.581646] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 48.589912] R13: ffffac21c27a7f10 R14: ffffac21c27a7f10 R15: ffff9efcc5d9d000 # [ 48.598179] FS: 00007f39dbfea580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000 # [ 48.607534] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.614259] CR2: 00007f39dbdf4000 CR3: 0000000102ae6002 CR4: 00000000003706e0 # [ 48.628730] Call Trace: # [ 48.631755] ? __warn+0x80/0x110 # [ 48.635680] ? refcount_warn_saturate+0x51/0x110 # [ 48.641131] ? report_bug+0x9e/0xc0 # [ 48.645317] ? handle_bug+0x41/0x90 # [ 48.649504] ? exc_invalid_op+0x14/0x70 # [ 48.654079] ? asm_exc_invalid_op+0x12/0x20 # [ 48.659045] ? refcount_warn_saturate+0x51/0x110 # [ 48.664525] ? refcount_warn_saturate+0x51/0x110 # [ 48.669975] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 # [ 48.675619] direct_entry.cold+0x2c/0x38 # [ 48.680294] full_proxy_write+0x53/0x80 # [ 48.684893] vfs_write+0xe7/0x3b0 # [ 48.688885] ksys_write+0x68/0xf0 # [ 48.692878] do_syscall_64+0x30/0x40 # [ 48.697162] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 48.703096] RIP: 0033:0x7f39dbf00473 # [ 48.707380] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 48.728660] RSP: 002b:00007ffca36a7a48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.737428] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f39dbf00473 # [ 48.745703] RDX: 0000000000000016 RSI: 00007f39dbdf4000 RDI: 0000000000000001 # [ 48.760180] RBP: 00007f39dbdf4000 R08: 00007f39dbdf3010 R09: 0000000000000000 # [ 48.768445] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 48.776711] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.784979] irq event stamp: 0 # [ 48.788703] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.795996] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 48.805441] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 48.814874] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.828380] ---[ end trace ffd54ce207130e89 ]--- # [ 48.833831] lkdtm: Overflow detected: saturated # REFCOUNT_INC_OVERFLOW: saw 'call trace:': ok ok 42 selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # [ 48.992762] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 49.001576] lkdtm: attempting good refcount_add() without overflow # [ 49.008798] lkdtm: attempting bad refcount_add() overflow # [ 49.015137] ------------[ cut here ]------------ # [ 49.020594] refcount_t: saturated; leaking memory. # [ 49.026248] WARNING: CPU: 3 PID: 2001 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 49.035974] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 49.094974] CPU: 3 PID: 2001 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 49.103949] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.111049] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 49.117179] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 31 f3 f6 01 00 75 ee 48 c7 c7 68 46 75 a1 c6 05 21 f3 f6 01 01 e8 26 fe c0 00 <0f> 0b c3 cc cc cc cc 80 3d 0d f3 f6 01 00 75 cb 48 c7 c7 90 46 75 # [ 49.138460] RSP: 0018:ffffac21c2817e48 EFLAGS: 00010286 # [ 49.144595] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 49.152861] RDX: ffff9efd3adac660 RSI: ffff9efd3ad9bf70 RDI: ffff9efd3ad9bf70 # [ 49.161126] RBP: ffffffffa17f96e3 R08: 0000000000000000 R09: 0000000000000000 # [ 49.169391] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 49.177656] R13: ffffac21c2817f10 R14: ffffac21c2817f10 R15: ffff9efcc6cf2000 # [ 49.185920] FS: 00007fc3d32b6580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000 # [ 49.195252] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.201962] CR2: 00007fc3d30c0000 CR3: 0000000105b40005 CR4: 00000000003706e0 # [ 49.210227] Call Trace: # [ 49.213251] ? __warn+0x80/0x110 # [ 49.217172] ? refcount_warn_saturate+0x51/0x110 # [ 49.228830] ? report_bug+0x9e/0xc0 # [ 49.233018] ? handle_bug+0x41/0x90 # [ 49.237202] ? exc_invalid_op+0x14/0x70 # [ 49.241777] ? asm_exc_invalid_op+0x12/0x20 # [ 49.246743] ? refcount_warn_saturate+0x51/0x110 # [ 49.252221] ? refcount_warn_saturate+0x51/0x110 # [ 49.257669] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 49.263312] direct_entry.cold+0x2c/0x38 # [ 49.267985] full_proxy_write+0x53/0x80 # [ 49.272560] vfs_wri<6>[ 61.677545] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO te+0xe7/0x3b0 # [ 49.276553] ksys_write+0x68/0xf0 # [ 49.<6>[ 61.687530] lkdtm: attempting good copy_to_user of correct size 280544] do_syscall_64+0x30/0x40 # [ 49.284827] entry_SYSCAL<6>[ 61.700633] lkdtm: attempting bad copy_to_user of too large size L_64_after_hwframe+0x61/0xc6 # [ 49.290762] RIP: 0033:0x7fc3d31cc473 # [ 49.295044] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 49.316324] RSP: 002b:00007ffd94938838 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.325076] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fc3d31cc473 # [ 49.333341] RDX: 0000000000000016 RSI: 00007fc3d30c0000 RDI: 0000000000000001 # [ 49.341605] RBP: 00007fc3d30c0000 R08: 00007fc3d30bf010 R09: 0000000000000000 # [ 49.349860] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 49.358126] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.366394] irq event stamp: 0 # [ 49.370118] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.377429] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 49.386870] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 49.402512] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.409806] ---[ end trace ffd54ce207130e8a ]--- # [ 49.421473] 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 # [ 49.540794] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 49.552799] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 49<6>[ 61.864395] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM .566214] ------------[ cut here ]------------ # [ 49.577875] <6>[ 61.876454] lkdtm: attempting good copy_from_user of correct size <6>[ 61.889768] lkdtm: attempting bad copy_from_user of too large size refcount_t: saturated; leaking memory. # [ 49.583551] WARNING: CPU: 1 PID: 2033 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 49.599456] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 49.658426] CPU: 1 PID: 2033 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 49.673588] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.686908] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 49.699253] Code: 01 01 e8 03 fe c0 00 0f 0b c3 cc cc cc cc 80 3d ec f2 f6 01 00 75 a8 48 c7 c7 68 46 75 a1 c6 05 dc f2 f6 01 01 e8 e0 fd c0 00 <0f> 0b c3 cc cc cc cc 80 3d c6 f2 f6 01 00 75 85 48 c7 c7 c0 46 75 # [ 49.726754] RSP: 0018:ffffac21c28c7e38 EFLAGS: 00010282 # [ 49.739105] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 49.753585] RDX: ffff9efd3acac660 RSI: ffff9efd3ac9bf70 RDI: ffff9efd3ac9bf70 # [ 49.768063] RBP: ffffffffa17f9320 R08: 0000000000<6>[ 62.030042] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO 000000 R09: 0000000000000000 # [ 49.782548] R10: 00000000ffff<6>[ 62.041545] lkdtm: attempting good copy_to_user inside whitelist e000 R11: 3fffffffffffffff R12: 000000000000001f # [ 49.79703<6>[ 62.054846] lkdtm: attempting bad copy_to_user outside whitelist 2] R13: ffffac21c28c7f10 R14: ffffac21c28c7f10 R15: ffff9efcc6eda000 # [ 49.811517] FS: 00007f7764bed580(0000) GS:ffff9efd3ac80000(0000) knlGS:0000000000000000 # [ 49.827069] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.839998] CR2: 00007f77649f7000 CR3: 00000001030a8003 CR4: 00000000003706e0 # [ 49.854490] Call Trace: # [ 49.863735] ? __warn+0x80/0x110 # [ 49.873842] ? refcount_warn_saturate+0x97/0x110 # [ 49.885510] ? report_bug+0x9e/0xc0 # [ 49.895914] ? handle_bug+0x41/0x90 # [ 49.906315] ? exc_invalid_op+0x14/0x70 # [ 49.917108] ? asm_exc_invalid_op+0x12/0x20 # [ 49.928291] ? refcount_warn_saturate+0x97/0x110 # [ 49.939953] ? refcount_warn_saturate+0x97/0x110 # [ 49.951620] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 49.964260] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 49.976994] direct_entry.cold+0x2c/0x38 # [ 49.987883] full_proxy_write+0x53/0x80 # [ 49.998674] vfs_write+0xe7/0x3b0 # [ 50.008882] ksys_write+0x68/0xf0 # [ 50.019090] do_syscall_64+0x30/0x40 # [ 50.029591] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 50.041743] RIP: 0033:0x7f7764b03473 # [ 50.052239] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 50.079737] RSP: 002b:00007ffe7e5b2d88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.094705] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f7764b03473 # [ 50.109187] RDX: 000000000000001f RSI: 00007f77649f7000 RDI: 0000000000000001 # [ 50.123670] RBP: 00007f77649f7000 R08: 00007f77649f6010 R09: 0000000000000000 # [ 50.138152] R10: fffffffffffffbc5 R11: 00000000<6>[ 62.238437] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM 00000246 R12: 0000000000000001 # [ 50.152635] R13: 0000000000<6>[ 62.249677] lkdtm: attempting good copy_from_user inside whitelist 000001 R14: 0000000000020000 R15: 0000000000020000 # [ 50.167<6>[ 62.263114] lkdtm: attempting bad copy_from_user outside whitelist 120] irq event stamp: 0 # [ 50.177031] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 50.190544] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 50.206191] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 50.221836] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 50.235345] ---[ end trace ffd54ce207130e8b ]--- # [ 50.247011] 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 # [ 50.365353] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 50.378332] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 50.385556] ------------[ cut here ]------------ # [ 50.391018] refcount_t: saturated; leaking memory. # [ 50.396686] WARNING: CPU: 2 PID: 2065 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 50.406416] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_ther<6>[ 62.408638] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO <6>[ 62.420434] lkdtm: good_stack: ffffac21c33bfe20-ffffac21c33bfe40 mal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regma<6>[ 62.427453] lkdtm: bad_stack : ffffac21c33bfda8-ffffac21c33bfdc8 p_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight c<6>[ 62.440680] lkdtm: attempting good copy_to_user of local stack <6>[ 62.453717] lkdtm: attempting bad copy_to_user of distant stack oreboot_table # [ 50.459202] CPU: 2 PID: 2065 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 50.474356] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.481459] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 50.487588] Code: 01 01 e8 03 fe c0 00 0f 0b c3 cc cc cc cc 80 3d ec f2 f6 01 00 75 a8 48 c7 c7 68 46 75 a1 c6 05 dc f2 f6 01 01 e8 e0 fd c0 00 <0f> 0b c3 cc cc cc cc 80 3d c6 f2 f6 01 00 75 85 48 c7 c7 c0 46 75 # [ 50.508870] RSP: 0018:ffffac21c2927e38 EFLAGS: 00010282 # [ 50.515000] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 50.529499] RDX: ffff9efd3ad2c660 RSI: ffff9efd3ad1bf70 RDI: ffff9efd3ad1bf70 # [ 50.537794] RBP: ffffffffa17f9340 R08: 0000000000000000 R09: 0000000000000000 # [ 50.546057] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 50.554323] R13: ffffac21c2927f10 R14: ffffac21c2927f10 R15: ffff9efcc6e61000 # [ 50.562588] FS: 00007fc98e3a4580(0000) GS:ffff9efd3ad00000(0000) knlGS:0000000000000000 # [ 50.571925] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.578663] CR2: 00007fc98e1ae000 CR3: 0000000105a6c005 CR4: 00000000003706e0 # [ 50.593138] Call Trace: # [ 50.596163] ? __warn+0x80/0x110 # [ 50.600088] ? refcount_warn_saturate+0x97/0x110 # [ 50.605536] ? report_bug+0x9e/0xc0 # [ 50.609724] ? handle_bug+0x41/0x90 # [ 50.6139<6>[ 62.597044] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM 09] ? exc_invalid_op+0x14/0x70 # [ 50.618491] ? asm_exc_inv<6>[ 62.604798] lkdtm: good_stack: ffffac21c345fe20-ffffac21c345fe40 alid_op+0x12/0x20 # [ 50.623450] ? refcount_warn_saturate+0x<6>[ 62.618037] lkdtm: bad_stack : ffffac21c345fda8-ffffac21c345fdc8 97/0x110 # [ 50.635115] ? refcount_warn_saturate+0x97/0x110 <6>[ 62.631246] lkdtm: attempting good copy_from_user of local stack # [ 50.640564] __refcount_add_not_zero.constprop.0+0x2a/0x35<6>[ 62.644529] lkdtm: attempting bad copy_from_user of distant stack # [ 50.646983] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 50.653500] direct_entry.cold+0x2c/0x38 # [ 50.658172] full_proxy_write+0x53/0x80 # [ 50.662748] vfs_write+0xe7/0x3b0 # [ 50.666738] ksys_write+0x68/0xf0 # [ 50.670730] do_syscall_64+0x30/0x40 # [ 50.675013] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 50.680946] RIP: 0033:0x7fc98e2ba473 # [ 50.685230] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 50.706511] RSP: 002b:00007ffdcaeeedf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.715261] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fc98e2ba473 # [ 50.723515] RDX: 000000000000001f RSI: 00007fc98e1ae000 RDI: 0000000000000001 # [ 50.731770] RBP: 00007fc98e1ae000 R08: 00007fc98e1ad010 R09: 0000000000000000 # [ 50.740034] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 50.748297] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 50.756556] irq event stamp: 0 # [ 50.760279] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 50.767573] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 50.777002] softirqs last enabled at (0): [] copy_process+0x664<6>[ 62.790891] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND /0x1c60 # [ 50.786433] softirqs last disabled at (0): [<00000<6>[ 62.801783] lkdtm: good_stack: ffffac21c34dfe20-ffffac21c34dfe40 <6>[ 62.815001] lkdtm: bad_stack : ffffac21c34dfff8-ffffac21c34e0018 <6>[ 62.822014] lkdtm: attempting good copy_to_user of local stack 00000000000>] 0x0 # [ 50.799943] ---[ end trace ffd54ce207130<6>[ 62.828852] lkdtm: attempting bad copy_to_user of distant stack <4>[ 62.841965] lkdtm: copy_to_user failed, but lacked Oops e8c ]--- # [ 50.811611] 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 # [ 50.931045] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 50.941743] lkdtm: attempting good refcount_dec() # [ 50.953478] lkdtm: attempting bad refcount_dec() to zero # [ 50.965904] ------------[ cut here ]------------ # [ 50.977569] refcount_t: decrement hit 0; leaking memory. # [ 50.983850] WARNING: CPU: 0 PID: 2097 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 50.999769] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 51.058744] CPU: 0 PID: 2097 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 51.073892] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.087248] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 51.099617] Code: 18 47 75 a1 c6 05 8d f2 f6 01 01 e8 96 fd c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 e8 46 75 a1 c6 05 74 f2 f6 01 01 e8 7c fd c0 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 51.127112] RSP: 0018:ffffac21c29cfe48 EFLAGS: 00010286 # [ 51.139491] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 51.153980] RDX: ffff9efd3ac2c6<6>[ 63.016900] lkdtm: Performing direct entry USERCOPY_KERNEL 60 RSI: ffff9efd3ac1bf70 RDI: ffff9efd3ac1bf70 # [ 51.168503]<6>[ 63.028805] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffa137ecd0 RBP: ffffffffa17f96f9 R08: 0000000000000000 R09: 00000000000000<6>[ 63.043990] lkdtm: attempting bad copy_to_user from kernel text: ffffffff9fae1300 00 # [ 51.182978] R10: 00000000ffffe000 R11: 3fffffffffffffff<3>[ 63.058834] lkdtm: FAIL: survived bad copy_to_user() R12: 0000000000000012 # [ 51.197479] R13: ffffac21c29cff10 R14: ffffac21c29cff10 R15: ffff9efcc2ae6000 # [ 51.211970] FS: 00007fd8e4c50580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000 # [ 51.227582] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.240469] CR2: 00007fd8e4a5a000 CR3: 0000000105a66001 CR4: 00000000003706f0 # [ 51.254978] Call Trace: # [ 51.264237] ? __warn+0x80/0x110 # [ 51.274372] ? refcount_warn_saturate+0xfb/0x110 # [ 51.286034] ? report_bug+0x9e/0xc0 # [ 51.296490] ? handle_bug+0x41/0x90 # [ 51.306890] ? exc_invalid_op+0x14/0x70 # [ 51.317710] ? asm_exc_invalid_op+0x12/0x20 # [ 51.328897] ? refcount_warn_saturate+0xfb/0x110 # [ 51.340597] ? refcount_warn_saturate+0xfb/0x110 # [ 51.352256] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 51.363764] direct_entry.cold+0x2c/0x38 # [ 51.374645] full_proxy_write+0x53/0x80 # [ 51.385492] vfs_write+0xe7/0x3b0 # [ 51.395697] ksys_write+0x68/0xf0 # [ 51.405977] do_syscall_64+0x30/0x40 # [ 51.416428] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 51.428563] RIP: 0033:0x7fd8e4b66473 # [ 51.439061] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 4<6>[ 63.199299] lkdtm: Performing direct entry STACKLEAK_ERASING 8 89 54 24 18 # [ 51.466614] RSP: 002b:00007ffd83fc9478 EFLAG<6>[ 63.208198] lkdtm: checking unused part of the thread stack (15928 bytes)... S: 00000246 ORIG_RAX: 0000000000000001 # [ 51.481569] RAX: ff<3>[ 63.222588] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) ffffffffffffda RBX: 0000000000000012 RCX: 00007fd8e4b66473 # [ <3>[ 63.236866] lkdtm: FAIL: the thread stack is NOT properly erased 51.496082] RDX: 0000000000000012 RSI: 00007fd8e4a5a000 RDI: 00<4>[ 63.250086] CPU: 1 PID: 2870 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 63.265243] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 63.272338] Call Trace: 00000000000001 # [ 51.510556] RBP: 00007fd8e4a5a000 R08: 0000<4>[ 63.275362] dump_stack+0x77/0x9b <4>[ 63.285566] lkdtm_STACKLEAK_ERASING+0x116/0x144 <4>[ 63.291013] direct_entry.cold+0x2c/0x38 <4>[ 63.295685] full_proxy_write+0x53/0x80 7fd8e4a59010 R09: 0000000000000000 # [ 51.525047] R10: ffffff<4>[ 63.300260] vfs_write+0xe7/0x3b0 <4>[ 63.310462] ksys_write+0x68/0xf0 <4>[ 63.314455] do_syscall_64+0x30/0x40 fffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51<4>[ 63.318736] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 63.330882] RIP: 0033:0x7f6277225473 <4>[ 63.335164] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 63.356443] RSP: 002b:00007ffe5b7af278 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 63.365192] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f6277225473 <4>[ 63.373454] RDX: 0000000000000012 RSI: 00007f6277119000 RDI: 0000000000000001 <4>[ 63.381715] RBP: 00007f6277119000 R08: 00007f6277118010 R09: 0000000000000000 <4>[ 63.389977] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 63.398238] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 .539545] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.554041] irq event stamp: 0 # [ 51.563965] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 51.577443] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 51.593094] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 51.608733] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 51.622252] ---[ end trace ffd54ce207130e8d ]--- # [ 51.633932] 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 # [ 51.777925] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 51.788869] lkdtm: attempting bad refcount_dec() below zero # [ 51.801611] ------------[ cut here ]------------ # [ 51.813267] refcount_t: decrement hit 0; leaking memory. # [ 51.825723] WARNING: CPU: 1 PID: 2132 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 51.841652] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 51.900621] CPU: 1 PID: 2132 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 51.915779] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.929092] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 51.941445] Code: 18 47 75 a1 c6 05 <6>[ 63.583953] lkdtm: Performing direct entry CFI_FORWARD_PROTO <6>[ 63.593695] lkdtm: Calling matched prototype ... <6>[ 63.599152] lkdtm: Calling mismatched prototype ... <6>[ 63.604899] lkdtm: Fail: survived mismatched prototype function call! 8d f2 f6 01 01 e8 96 fd c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 e8 46 75 a1 c6 05 74 f2 f6 01 01 e8 7c fd c0 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 51.968944] RSP: 0018:ffffac21c2a57e48 EFLAGS: 00010286 # [ 51.975096] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 51.989573] RDX: ffff9efd3acac660 RSI: ffff9efd3ac9bf70 RDI: ffff9efd3ac9bf70 # [ 51.997839] RBP: ffffffffa17f970b R08: 0000000000000000 R09: 0000000000000000 # [ 52.006104] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 52.014370] R13: ffffac21c2a57f10 R14: ffffac21c2a57f10 R15: ffff9efcc5a6b000 # [ 52.022636] FS: 00007f44f5d28580(0000) GS:ffff9efd3ac80000(0000) knlGS:0000000000000000 # [ 52.031971] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.044891] CR2: 00007f44f5b32000 CR3: 00000001045bc005 CR4: 00000000003706e0 # [ 52.053156] Call Trace: # [ 52.062393] ? __warn+0x80/0x110 # [ 52.072503] ? refcount_warn_saturate+0xfb/0x110 # [ 52.077953] ? report_bug+0x9e/0xc0 # [ 52.088351] ? handle_bug+0x41/0x90 # [ 52.098753] ? exc_invalid_op+0x14/0x70 # [ 52.103331] ? asm_exc_invalid_op+0x12/0x20 # [ 52.114512] ? refcount_warn_saturate+0xfb/0x110 # [ 52.126175] ? refcount_warn_saturate+0xfb/0x110 # [ 52.137838] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 52.149698] direct_entry.cold+0x2c/0x38 # [ 52.160585] full_proxy_write+0x53/0x80 # [ 52.171377] vfs_write+0xe7/0x3b0 # [ 52.181586] ksys_write+0x68/0xf0 # [ 52.185604] do_syscall_64+0x30/0x40 # [ 52.196095] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 52.202029] RIP: 0033:0x7f44f5c3e473 # [ 52.212522] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 52.233801] RSP: 002b:00007ffd8d3e65c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.248762] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f44f5c3e473 # [ 52.257026] RDX: 0000000000000016 RSI: 00007f44f5b32000 RDI: 0000000000000001 # [ 52.271501] RBP: 00007f44f5b32000 R08: 00007f44f5b31010 R09: 0000000000000000 # [ 52.279767] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 52.288031] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 52.296298] irq event stamp: 0 # [ 52.306211] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 52.313509] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 52.329148] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 52.338577] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 52.352079] ---[ end trace ffd54ce207130e8e ]--- # [ 52.357529] 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 # [ 52.506112] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 52.520166] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 52.533796] ------------[ cut here ]------------ # [ 52.545449] refcount_t: underflow; use-after-free. # [ 52.557368] WARNING: CPU: 0 PID: 2167 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 52.573255] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 52.632294] CPU: 0 PID: 2167 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 52.647443] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.660743] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 52.673081] Code: 01 01 e8 e0 fd c0 00 0f 0b c3 cc cc cc cc 80 3d c6 f2 f6 01 00 75 85 48 c7 c7 c0 46 75 a1 c6 05 b6 f2 f6 01 01 e8 bd fd c0 00 <0f> 0b c3 cc cc cc cc 80 3d a1 f2 f6 01 00 0f 85 5e ff ff ff 48 c7 # [ 52.700570] RSP: 0018:ffffac21c2af7e40 EFLAGS: 00010286 # [ 52.712936] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 52.727389] RDX: ffff9efd3ac2c660 RSI: ffff9efd3ac1bf70 RDI: ffff9efd3ac1bf70 # [ 52.741897] RBP: ffffffffa17f9360 R08: 0000000000000000 R09: 0000000000000000 # [ 52.756359] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 52.770869] R13: ffffac21c2af7f10 R14: ffffac21c2af7f10 R15: ffff9efcc26d7000 # [ 52.785329] FS: 00007f5cb979e580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000 # [ 52.800889] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.813822] CR2: 00007f5cb95a8000 CR3: 0000000102998006 CR4: 00000000003706f0 # [ 52.828326] Call Trace: # [ 52.837547] ? __warn+0x80/0x110 # [ 52.847684] ? refcount_warn_saturate+0xba/0x110 # [ 52.859327] ? report_bug+0x9e/0xc0 # [ 52.869752] ? handle_bug+0x41/0x90 # [ 52.880136] ? exc_invalid_op+0x14/0x70 # [ 52.890957] ? asm_exc_invalid_op+0x12/0x20 # [ 52.902120] ? refcount_warn_saturate+0xba/0x110 # [ 52.913788] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 52.926437] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 52.939173] direct_entry.cold+0x2c/0x38 # [ 52.950047] full_proxy_write+0x53/0x80 # [ 52.960848] vfs_write+0xe7/0x3b0 # [ 52.971049] ksys_write+0x68/0xf0 # [ 52.981292] do_syscall_64+0x30/0x40 # [ 52.991766] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 53.003917] RIP: 0033:0x7f5cb96b4473 # [ 53.014440] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 53.041948] RSP: 002b:00007ffdab443b68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 53.056896] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f5cb96b4473 # [ 53.071387] RDX: 000000000000001f RSI: 00007f5cb95a8000 RDI: 0000000000000001 # [ 53.085861] RBP: 00007f5cb95a8000 R08: 00007f5cb95a7010 R09: 0000000000000000 # [ 53.100374] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 53.114866] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 53.129376] irq event stamp: 0 # [ 53.139288] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 53.152813] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 53.168453] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 53.184110] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 53.197617] ---[ end trace ffd54ce207130e8f ]--- # [ 53.209315] 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 # [ 53.340620] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 53.353021] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 53.360451] ------------[ cut here ]------------ # [ 53.365902] refcount_t: underflow; use-after-free. # [ 53.377787] WARNING: CPU: 3 PID: 2202 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 53.387515] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 53.446499] CPU: 3 PID: 2202 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 53.455488] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.462622] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 53.468753] Code: 01 01 e8 e0 fd c0 00 0f 0b c3 cc cc cc cc 80 3d c6 f2 f6 01 00 75 85 48 c7 c7 c0 46 75 a1 c6 05 b6 f2 f6 01 01 e8 bd fd c0 00 <0f> 0b c3 cc cc cc cc 80 3d a1 f2 f6 01 00 0f 85 5e ff ff ff 48 c7 # [ 53.490035] RSP: 0018:ffffac21c2b77e40 EFLAGS: 00010286 # [ 53.496164] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 53.504430] RDX: ffff9efd3adac660 RSI: ffff9efd3ad9bf70 RDI: ffff9efd3ad9bf70 # [ 53.518913] RBP: ffffffffa17f9380 R08: 0000000000000000 R09: 0000000000000000 # [ 53.533396] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 53.541661] R13: ffffac21c2b77f10 R14: ffffac21c2b77f10 R15: ffff9efcc4283000 # [ 53.556141] FS: 00007f074e3b3580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000 # [ 53.565486] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.572228] CR2: 00007f074e1bd000 CR3: 0000000104a06004 CR4: 00000000003706e0 # [ 53.580504] Call Trace: # [ 53.583546] ? __warn+0x80/0x110 # [ 53.587457] ? refcount_warn_saturate+0xba/0x110 # [ 53.599113] ? report_bug+0x9e/0xc0 # [ 53.603325] ? handle_bug+0x41/0x90 # [ 53.607511] ? exc_invalid_op+0x14/0x70 # [ 53.612085] ? asm_exc_invalid_op+0x12/0x20 # [ 53.617051] ? refcount_warn_saturate+0xba/0x110 # [ 53.622526] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 53.628945] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b # [ 53.635463] direct_entry.cold+0x2c/0x38 # [ 53.640136] full_proxy_write+0x53/0x80 # [ 53.644712] vfs_write+0xe7/0x3b0 # [ 53.648705] ksys_write+0x68/0xf0 # [ 53.652698] do_syscall_64+0x30/0x40 # [ 53.656981] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 53.662915] RIP: 0033:0x7f074e2c9473 # [ 53.667198] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 53.688492] RSP: 002b:00007fff5f6abba8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 53.697276] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f074e2c9473 # [ 53.705540] RDX: 000000000000001f RSI: 00007f074e1bd000 RDI: 0000000000000001 # [ 53.713805] RBP: 00007f074e1bd000 R08: 00007f074e1bc010 R09: 0000000000000000 # [ 53.722068] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 53.730322] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 53.738590] irq event stamp: 0 # [ 53.742290] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 53.749585] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 53.759015] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 53.768446] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 53.775742] ---[ end trace ffd54ce207130e90 ]--- # [ 53.787402] 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 # [ 53.912741] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 53.923715] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 53.931121] lkdtm: Good: zero detected # [ 53.935608] lkdtm: Correctly stayed at zero # [ 53.940570] lkdtm: attempting bad refcount_inc() from zero # [ 53.953202] ------------[ cut here ]------------ # [ 53.958651] refcount_t: addition on 0; use-after-free. # [ 53.970925] WARNING: CPU: 3 PID: 2234 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 53.980655] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 54.039643] CPU: 3 PID: 2234 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 54.048605] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.061916] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 54.068076] Code: 01 01 e8 26 fe c0 00 0f 0b c3 cc cc cc cc 80 3d 0d f3 f6 01 00 75 cb 48 c7 c7 90 46 75 a1 c6 05 fd f2 f6 01 01 e8 03 fe c0 00 <0f> 0b c3 cc cc cc cc 80 3d ec f2 f6 01 00 75 a8 48 c7 c7 68 46 75 # [ 54.089359] RSP: 0018:ffffac21c2be7e48 EFLAGS: 00010286 # [ 54.095491] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 54.103759] RDX: ffff9efd3adac660 RSI: ffff9efd3ad9bf70 RDI: ffff9efd3ad9bf70 # [ 54.112026] RBP: ffffffffa17f9721 R08: 0000000000000000 R09: 0000000000000000 # [ 54.120292] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 54.128557] R13: ffffac21c2be7f10 R14: ffffac21c2be7f10 R15: ffff9efcc4287000 # [ 54.136825] FS: 00007fe69897c580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000 # [ 54.146159] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.152890] CR2: 00007fe698786000 CR3: 00000001029cc001 CR4: 00000000003706e0 # [ 54.161155] Call Trace: # [ 54.164181] ? __warn+0x80/0x110 # [ 54.168106] ? refcount_warn_saturate+0x74/0x110 # [ 54.173558] ? report_bug+0x9e/0xc0 # [ 54.177777] ? handle_bug+0x41/0x90 # [ 54.181964] ? exc_invalid_op+0x14/0x70 # [ 54.186539] ? asm_exc_invalid_op+0x12/0x20 # [ 54.191508] ? refcount_warn_saturate+0x74/0x110 # [ 54.196989] ? refcount_warn_saturate+0x74/0x110 # [ 54.202446] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 54.207702] direct_entry.cold+0x2c/0x38 # [ 54.218586] full_proxy_write+0x53/0x80 # [ 54.223192] vfs_write+0xe7/0x3b0 # [ 54.227209] ksys_write+0x68/0xf0 # [ 54.237416] do_syscall_64+0x30/0x40 # [ 54.247916] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 54.260070] RIP: 0033:0x7fe698892473 # [ 54.264384] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 54.285669] RSP: 002b:00007ffc03744988 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 54.294442] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fe698892473 # [ 54.302708] RDX: 0000000000000012 RSI: 00007fe698786000 RDI: 0000000000000001 # [ 54.310974] RBP: 00007fe698786000 R08: 00007fe698785010 R09: 0000000000000000 # [ 54.319242] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 54.327508] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 54.335780] irq event stamp: 0 # [ 54.339510] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 54.346808] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 54.356240] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 54.365672] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 54.372967] ---[ end trace ffd54ce207130e91 ]--- # [ 54.378415] 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 # [ 54.501254] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 54.508161] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 54.521768] lkdtm: Good: zero detected # [ 54.532457] lkdtm: Correctly stayed at zero # [ 54.543671] lkdtm: attempting bad refcount_add() from zero # [ 54.556281] ------------[ cut here ]------------ # [ 54.567987] refcount_t: addition on 0; use-after-free. # [ 54.580255] WARNING: CPU: 0 PID: 2266 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 54.596245] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 54.655217] CPU: 0 PID: 2266 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 54.670417] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.683734] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 54.696065] Code: 01 01 e8 26 fe c0 00 0f 0b c3 cc cc cc cc 80 3d 0d f3 f6 01 00 75 cb 48 c7 c7 90 46 75 a1 c6 05 fd f2 f6 01 01 e8 03 fe c0 00 <0f> 0b c3 cc cc cc cc 80 3d ec f2 f6 01 00 75 a8 48 c7 c7 68 46 75 # [ 54.723563] RSP: 0018:ffffac21c2c67e48 EFLAGS: 00010286 # [ 54.735914] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 54.750425] RDX: ffff9efd3ac2c660 RSI: ffff9efd3ac1bf70 RDI: ffff9efd3ac1bf70 # [ 54.764888] RBP: ffffffffa17f9733 R08: 0000000000000000 R09: 0000000000000000 # [ 54.779396] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 54.793878] R13: ffffac21c2c67f10 R14: ffffac21c2c67f10 R15: ffff9efcc5e51000 # [ 54.808353] FS: 00007fcff49df580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000 # [ 54.823910] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.836873] CR2: 00007fcff47e9000 CR3: 0000000104776003 CR4: 00000000003706f0 # [ 54.851327] Call Trace: # [ 54.860610] ? __warn+0x80/0x110 # [ 54.870693] ? refcount_warn_saturate+0x74/0x110 # [ 54.882357] ? report_bug+0x9e/0xc0 # [ 54.892748] ? handle_bug+0x41/0x90 # [ 54.903142] ? exc_invalid_op+0x14/0x70 # [ 54.913929] ? asm_exc_invalid_op+0x12/0x20 # [ 54.925116] ? refcount_warn_saturate+0x74/0x110 # [ 54.936800] ? refcount_warn_saturate+0x74/0x110 # [ 54.948454] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 54.959927] direct_entry.cold+0x2c/0x38 # [ 54.970885] full_proxy_write+0x53/0x80 # [ 54.981696] vfs_write+0xe7/0x3b0 # [ 54.991899] ksys_write+0x68/0xf0 # [ 55.002114] do_syscall_64+0x30/0x40 # [ 55.012600] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 55.024752] RIP: 0033:0x7fcff48f5473 # [ 55.035292] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 55.062816] RSP: 002b:00007ffe3527c8b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 55.077770] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fcff48f5473 # [ 55.086067] RDX: 0000000000000012 RSI: 00007fcff47e9000 RDI: 0000000000000001 # [ 55.100555] RBP: 00007fcff47e9000 R08: 00007fcff47e8010 R09: 0000000000000000 # [ 55.115022] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 55.123320] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 55.137819] irq event stamp: 0 # [ 55.147753] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 55.161274] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 55.176899] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 55.192580] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 55.206134] ---[ end trace ffd54ce207130e92 ]--- # [ 55.217764] 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 # [ 55.407390] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 55.416260] lkdtm: attempting bad refcount_inc() from saturated # [ 55.429382] ------------[ cut here ]------------ # [ 55.441046] refcount_t: saturated; leaking memory. # [ 55.452960] WARNING: CPU: 1 PID: 2301 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 55.468891] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 55.527863] CPU: 1 PID: 2301 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 55.543026] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.556340] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 55.568685] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 31 f3 f6 01 00 75 ee 48 c7 c7 68 46 75 a1 c6 05 21 f3 f6 01 01 e8 26 fe c0 00 <0f> 0b c3 cc cc cc cc 80 3d 0d f3 f6 01 00 75 cb 48 c7 c7 90 46 75 # [ 55.589989] RSP: 0018:ffffac21c2cefe48 EFLAGS: 00010286 # [ 55.602309] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 55.616789] RDX: ffff9efd3acac660 RSI: ffff9efd3ac9bf70 RDI: ffff9efd3ac9bf70 # [ 55.625057] RBP: ffffffffa17f9745 R08: 0000000000000000 R09: 0000000000000000 # [ 55.639531] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 55.647797] R13: ffffac21c2ceff10 R14: ffffac21c2ceff10 R15: ffff9efcc2656000 # [ 55.662274] FS: 00007f26f92ad580(0000) GS:ffff9efd3ac80000(0000) knlGS:0000000000000000 # [ 55.671607] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.684530] CR2: 00007f26f90b7000 CR3: 0000000105bb2003 CR4: 00000000003706e0 # [ 55.692798] Call Trace: # [ 55.702033] ? __warn+0x80/0x110 # [ 55.712142] ? refcount_warn_saturate+0x51/0x110 # [ 55.717592] ? report_bug+0x9e/0xc0 # [ 55.727990] ? handle_bug+0x41/0x90 # [ 55.738391] ? exc_invalid_op+0x14/0x70 # [ 55.742966] ? asm_exc_invalid_op+0x12/0x20 # [ 55.754143] ? refcount_warn_saturate+0x51/0x110 # [ 55.765807] ? refcount_warn_saturate+0x51/0x110 # [ 55.771283] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 55.783235] direct_entry.cold+0x2c/0x38 # [ 55.794124] full_proxy_write+0x53/0x80 # [ 55.804943] vfs_write+0xe7/0x3b0 # [ 55.815139] ksys_write+0x68/0xf0 # [ 55.825347] do_syscall_64+0x30/0x40 # [ 55.835845] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 55.841782] RIP: 0033:0x7f26f91c3473 # [ 55.852275] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 55.873559] RSP: 002b:00007ffe70e569f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 55.888520] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f26f91c3473 # [ 55.896786] RDX: 0000000000000017 RSI: 00007f26f90b7000 RDI: 0000000000000001 # [ 55.911265] RBP: 00007f26f90b7000 R08: 00007f26f90b6010 R09: 0000000000000000 # [ 55.919531] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 55.934009] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 55.942280] irq event stamp: 0 # [ 55.952190] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 55.965704] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 55.981355] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 55.997005] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 56.004301] ---[ end trace ffd54ce207130e93 ]--- # [ 56.015960] 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 # [ 56.174714] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 56.184574] lkdtm: attempting bad refcount_dec() from saturated # [ 56.197732] ------------[ cut here ]------------ # [ 56.209372] refcount_t: decrement hit 0; leaking memory. # [ 56.221815] WARNING: CPU: 0 PID: 2336 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 56.237796] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 56.296721] CPU: 0 PID: 2336 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 56.311955] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.325231] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 56.337607] Code: 18 47 75 a1 c6 05 8d f2 f6 01 01 e8 96 fd c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 e8 46 75 a1 c6 05 74 f2 f6 01 01 e8 7c fd c0 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 56.365060] RSP: 0018:ffffac21c2d87e48 EFLAGS: 00010286 # [ 56.377446] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 56.391886] RDX: ffff9efd3ac2c660 RSI: ffff9efd3ac1bf70 RDI: ffff9efd3ac1bf70 # [ 56.406396] RBP: ffffffffa17f975c R08: 0000000000000000 R09: 0000000000000000 # [ 56.420855] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 56.435339] R13: ffffac21c2d87f10 R14: ffffac21c2d87f10 R15: ffff9efcc3d2d000 # [ 56.449815] FS: 00007fc60cb5d580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000 # [ 56.465376] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.478301] CR2: 00007fc60c967000 CR3: 0000000105f92005 CR4: 00000000003706f0 # [ 56.492785] Call Trace: # [ 56.502026] ? __warn+0x80/0x110 # [ 56.512149] ? refcount_warn_saturate+0xfb/0x110 # [ 56.523807] ? report_bug+0x9e/0xc0 # [ 56.534213] ? handle_bug+0x41/0x90 # [ 56.544607] ? exc_invalid_op+0x14/0x70 # [ 56.555430] ? asm_exc_invalid_op+0x12/0x20 # [ 56.566588] ? refcount_warn_saturate+0xfb/0x110 # [ 56.578246] ? refcount_warn_saturate+0xfb/0x110 # [ 56.589910] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 56.601886] direct_entry.cold+0x2c/0x38 # [ 56.612763] full_proxy_write+0x53/0x80 # [ 56.623557] vfs_write+0xe7/0x3b0 # [ 56.633767] ksys_write+0x68/0xf0 # [ 56.643998] do_syscall_64+0x30/0x40 # [ 56.654502] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 56.666671] RIP: 0033:0x7fc60ca73473 # [ 56.677147] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 56.704659] RSP: 002b:00007fff815aaf28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.719607] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fc60ca73473 # [ 56.734130] RDX: 0000000000000017 RSI: 00007fc60c967000 RDI: 0000000000000001 # [ 56.748575] RBP: 00007fc60c967000 R08: 00007fc60c966010 R09: 0000000000000000 # [ 56.763067] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 56.777542] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 56.792031] irq event stamp: 0 # [ 56.801941] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 56.815436] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 56.831113] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 56.846753] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 56.860266] ---[ end trace ffd54ce207130e94 ]--- # [ 56.871945] 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 # [ 57.039310] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 57.046824] lkdtm: attempting bad refcount_dec() from saturated # [ 57.059928] ------------[ cut here ]------------ # [ 57.071581] refcount_t: saturated; leaking memory. # [ 57.083496] WARNING: CPU: 0 PID: 2371 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 57.099430] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 57.158397] CPU: 0 PID: 2371 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 57.173543] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 57.180667] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 57.193045] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 31 f3 f6 01 00 75 ee 48 c7 c7 68 46 75 a1 c6 05 21 f3 f6 01 01 e8 26 fe c0 00 <0f> 0b c3 cc cc cc cc 80 3d 0d f3 f6 01 00 75 cb 48 c7 c7 90 46 75 # [ 57.220532] RSP: 0018:ffffac21c2e17e48 EFLAGS: 00010286 # [ 57.232924] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 57.247409] RDX: ffff9efd3ac2c660 RSI: ffff9efd3ac1bf70 RDI: ffff9efd3ac1bf70 # [ 57.261867] RBP: ffffffffa17f9773 R08: 0000000000000000 R09: 0000000000000000 # [ 57.276323] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 57.290832] R13: ffffac21c2e17f10 R14: ffffac21c2e17f10 R15: ffff9efcc5bb5000 # [ 57.305293] FS: 00007fa15bdd9580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000 # [ 57.320873] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.333780] CR2: 00007fa15bbe3000 CR3: 0000000106e60001 CR4: 00000000003706f0 # [ 57.348314] Call Trace: # [ 57.357525] ? __warn+0x80/0x110 # [ 57.367642] ? refcount_warn_saturate+0x51/0x110 # [ 57.379296] ? report_bug+0x9e/0xc0 # [ 57.389759] ? handle_bug+0x41/0x90 # [ 57.400113] ? exc_invalid_op+0x14/0x70 # [ 57.410915] ? asm_exc_invalid_op+0x12/0x20 # [ 57.422077] ? refcount_warn_saturate+0x51/0x110 # [ 57.433805] ? refcount_warn_saturate+0x51/0x110 # [ 57.445453] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 57.457432] direct_entry.cold+0x2c/0x38 # [ 57.468317] full_proxy_write+0x53/0x80 # [ 57.479112] vfs_write+0xe7/0x3b0 # [ 57.489286] ksys_write+0x68/0xf0 # [ 57.499504] do_syscall_64+0x30/0x40 # [ 57.510010] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 57.522170] RIP: 0033:0x7fa15bcef473 # [ 57.532656] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 57.560155] RSP: 002b:00007ffdcad074e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 57.575105] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fa15bcef473 # [ 57.589613] RDX: 0000000000000017 RSI: 00007fa15bbe3000 RDI: 0000000000000001 # [ 57.604075] RBP: 00007fa15bbe3000 R08: 00007fa15bbe2010 R09: 0000000000000000 # [ 57.618574] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 57.633041] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 57.647541] irq event stamp: 0 # [ 57.657441] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 57.670973] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 57.686601] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 57.702268] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 57.715761] ---[ end trace ffd54ce207130e95 ]--- # [ 57.727447] 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 # [ 57.907711] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 57.921757] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 57.929567] ------------[ cut here ]------------ # [ 57.935013] refcount_t: saturated; leaking memory. # [ 57.940684] WARNING: CPU: 3 PID: 2403 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 57.950411] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 58.009379] CPU: 3 PID: 2403 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 58.018326] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.031644] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 58.043989] Code: 01 01 e8 03 fe c0 00 0f 0b c3 cc cc cc cc 80 3d ec f2 f6 01 00 75 a8 48 c7 c7 68 46 75 a1 c6 05 dc f2 f6 01 01 e8 e0 fd c0 00 <0f> 0b c3 cc cc cc cc 80 3d c6 f2 f6 01 00 75 85 48 c7 c7 c0 46 75 # [ 58.071506] RSP: 0018:ffffac21c2e8fe38 EFLAGS: 00010282 # [ 58.077663] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 58.085928] RDX: ffff9efd3adac660 RSI: ffff9efd3ad9bf70 RDI: ffff9efd3ad9bf70 # [ 58.094216] RBP: ffffffffa17f93a0 R08: 0000000000000000 R09: 0000000000000000 # [ 58.102494] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 58.116969] R13: ffffac21c2e8ff10 R14: ffffac21c2e8ff10 R15: ffff9efcc5f4c000 # [ 58.125234] FS: 00007f5075b93580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000 # [ 58.134566] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.141267] CR2: 00007f507599d000 CR3: 0000000103cee004 CR4: 00000000003706e0 # [ 58.149521] Call Trace: # [ 58.152537] ? __warn+0x80/0x110 # [ 58.156463] ? refcount_warn_saturate+0x97/0x110 # [ 58.161932] ? report_bug+0x9e/0xc0 # [ 58.166119] ? handle_bug+0x41/0x90 # [ 58.170304] ? exc_invalid_op+0x14/0x70 # [ 58.174878] ? asm_exc_invalid_op+0x12/0x20 # [ 58.179845] ? refcount_warn_saturate+0x97/0x110 # [ 58.185300] ? refcount_warn_saturate+0x97/0x110 # [ 58.190748] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 58.197168] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 58.203781] direct_entry.cold+0x2c/0x38 # [ 58.208455] full_proxy_write+0x53/0x80 # [ 58.213030] vfs_write+0xe7/0x3b0 # [ 58.217021] ksys_write+0x68/0xf0 # [ 58.221013] do_syscall_64+0x30/0x40 # [ 58.225295] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 58.231229] RIP: 0033:0x7f5075aa9473 # [ 58.235511] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 58.256791] RSP: 002b:00007ffe2b68d1d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.265541] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f5075aa9473 # [ 58.273797] RDX: 0000000000000020 RSI: 00007f507599d000 RDI: 0000000000000001 # [ 58.282052] RBP: 00007f507599d000 R08: 00007f507599c010 R09: 0000000000000000 # [ 58.290317] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 58.298580] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 58.306846] irq event stamp: 0 # [ 58.310572] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 58.324083] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 58.339728] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 58.349158] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 58.362665] ---[ end trace ffd54ce207130e96 ]--- # [ 58.368112] 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 # [ 58.527642] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 58.538312] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 58.552291] ------------[ cut here ]------------ # [ 58.563955] refcount_t: saturated; leaking memory. # [ 58.575845] WARNING: CPU: 1 PID: 2435 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 58.591754] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 58.650723] CPU: 1 PID: 2435 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 58.665886] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.679201] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 58.691545] Code: 01 01 e8 03 fe c0 00 0f 0b c3 cc cc cc cc 80 3d ec f2 f6 01 00 75 a8 48 c7 c7 68 46 75 a1 c6 05 dc f2 f6 01 01 e8 e0 fd c0 00 <0f> 0b c3 cc cc cc cc 80 3d c6 f2 f6 01 00 75 85 48 c7 c7 c0 46 75 # [ 58.712852] RSP: 0018:ffffac21c2f17e38 EFLAGS: 00010282 # [ 58.725171] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 58.739651] RDX: ffff9efd3acac660 RSI: ffff9efd3ac9bf70 RDI: ffff9efd3ac9bf70 # [ 58.747917] RBP: ffffffffa17f93c0 R08: 0000000000000000 R09: 0000000000000000 # [ 58.762392] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 58.770658] R13: ffffac21c2f17f10 R14: ffffac21c2f17f10 R15: ffff9efcc5fdc000 # [ 58.785136] FS: 00007f7bfe328580(0000) GS:ffff9efd3ac80000(0000) knlGS:0000000000000000 # [ 58.794484] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.807412] CR2: 00007f7bfe132000 CR3: 0000000105ac0003 CR4: 00000000003706e0 # [ 58.815677] Call Trace: # [ 58.818700] ? __warn+0x80/0x110 # [ 58.828835] ? refcount_warn_saturate+0x97/0x110 # [ 58.834285] ? report_bug+0x9e/0xc0 # [ 58.844680] ? handle_bug+0x41/0x90 # [ 58.855078] ? exc_invalid_op+0x14/0x70 # [ 58.859654] ? asm_exc_invalid_op+0x12/0x20 # [ 58.870828] ? refcount_warn_saturate+0x97/0x110 # [ 58.882495] ? refcount_warn_saturate+0x97/0x110 # [ 58.887944] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 58.900574] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 58.907202] direct_entry.cold+0x2c/0x38 # [ 58.918085] full_proxy_write+0x53/0x80 # [ 58.928881] vfs_write+0xe7/0x3b0 # [ 58.939089] ksys_write+0x68/0xf0 # [ 58.949299] do_syscall_64+0x30/0x40 # [ 58.959798] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 58.971950] RIP: 0033:0x7f7bfe23e473 # [ 58.982450] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 59.009949] RSP: 002b:00007ffebabaa178 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.024917] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f7bfe23e473 # [ 59.039399] RDX: 0000000000000020 RSI: 00007f7bfe132000 RDI: 0000000000000001 # [ 59.053882] RBP: 00007f7bfe132000 R08: 00007f7bfe131010 R09: 0000000000000000 # [ 59.068365] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 59.082850] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 59.097339] irq event stamp: 0 # [ 59.107253] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 59.120762] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 59.136410] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 59.152058] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 59.159353] ---[ end trace ffd54ce207130e97 ]--- # [ 59.171017] 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 # [ 59.331857] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 59.340498] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 59.348309] ------------[ cut here ]------------ # [ 59.353758] refcount_t: underflow; use-after-free. # [ 59.359430] WARNING: CPU: 3 PID: 2470 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 59.369162] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 59.428131] CPU: 3 PID: 2470 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 59.437076] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 59.444177] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 59.450306] Code: 01 01 e8 e0 fd c0 00 0f 0b c3 cc cc cc cc 80 3d c6 f2 f6 01 00 75 85 48 c7 c7 c0 46 75 a1 c6 05 b6 f2 f6 01 01 e8 bd fd c0 00 <0f> 0b c3 cc cc cc cc 80 3d a1 f2 f6 01 00 0f 85 5e ff ff ff 48 c7 # [ 59.471585] RSP: 0018:ffffac21c2f9fe40 EFLAGS: 00010286 # [ 59.477713] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 59.485979] RDX: ffff9efd3adac660 RSI: ffff9efd3ad9bf70 RDI: ffff9efd3ad9bf70 # [ 59.494243] RBP: ffffffffa17f93e0 R08: 0000000000000000 R09: 0000000000000000 # [ 59.502508] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 59.510774] R13: ffffac21c2f9ff10 R14: ffffac21c2f9ff10 R15: ffff9efcc3c45000 # [ 59.519040] FS: 00007fbdba71f580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000 # [ 59.528373] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.535084] CR2: 00007fbdba529000 CR3: 0000000106dfa006 CR4: 00000000003706e0 # [ 59.543350] Call Trace: # [ 59.546373] ? __warn+0x80/0x110 # [ 59.550287] ? refcount_warn_saturate+0xba/0x110 # [ 59.555736] ? report_bug+0x9e/0xc0 # [ 59.559923] ? handle_bug+0x41/0x90 # [ 59.564108] ? exc_invalid_op+0x14/0x70 # [ 59.568682] ? asm_exc_invalid_op+0x12/0x20 # [ 59.573648] ? refcount_warn_saturate+0xba/0x110 # [ 59.579097] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 59.585517] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 59.592131] direct_entry.cold+0x2c/0x38 # [ 59.596803] full_proxy_write+0x53/0x80 # [ 59.601404] vfs_write+0xe7/0x3b0 # [ 59.605427] ksys_write+0x68/0xf0 # [ 59.615636] do_syscall_64+0x30/0x40 # [ 59.626134] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 59.638286] RIP: 0033:0x7fbdba635473 # [ 59.642599] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 59.663880] RSP: 002b:00007ffcd2b5d1c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.672629] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fbdba635473 # [ 59.680899] RDX: 0000000000000020 RSI: 00007fbdba529000 RDI: 0000000000000001 # [ 59.689193] RBP: 00007fbdba529000 R08: 00007fbdba528010 R09: 0000000000000000 # [ 59.703670] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 59.711934] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 59.720203] irq event stamp: 0 # [ 59.723927] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 59.731222] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 59.740652] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 59.750082] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 59.757376] ---[ end trace ffd54ce207130e98 ]--- # [ 59.762824] 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 # [ 60.524832] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 60.535659] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 60.543443] ------------[ cut here ]------------ # [ 60.555117] refcount_t: underflow; use-after-free. # [ 60.560780] WARNING: CPU: 3 PID: 2505 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 60.576698] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 60.635701] CPU: 3 PID: 2505 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 60.644645] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 60.651737] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 60.657864] Code: 01 01 e8 e0 fd c0 00 0f 0b c3 cc cc cc cc 80 3d c6 f2 f6 01 00 75 85 48 c7 c7 c0 46 75 a1 c6 05 b6 f2 f6 01 01 e8 bd fd c0 00 <0f> 0b c3 cc cc cc cc 80 3d a1 f2 f6 01 00 0f 85 5e ff ff ff 48 c7 # [ 60.679145] RSP: 0018:ffffac21c302fe40 EFLAGS: 00010286 # [ 60.685272] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 60.693536] RDX: ffff9efd3adac660 RSI: ffff9efd3ad9bf70 RDI: ffff9efd3ad9bf70 # [ 60.701793] RBP: ffffffffa17f9400 R08: 0000000000000000 R09: 0000000000000000 # [ 60.710057] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 60.718320] R13: ffffac21c302ff10 R14: ffffac21c302ff10 R15: ffff9efcc59b8000 # [ 60.726585] FS: 00007ff372a7b580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000 # [ 60.735917] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.742620] CR2: 00007ff372885000 CR3: 0000000103bc8006 CR4: 00000000003706e0 # [ 60.750883] Call Trace: # [ 60.753906] ? __warn+0x80/0x110 # [ 60.757832] ? refcount_warn_saturate+0xba/0x110 # [ 60.763280] ? report_bug+0x9e/0xc0 # [ 60.767481] ? handle_bug+0x41/0x90 # [ 60.771699] ? exc_invalid_op+0x14/0x70 # [ 60.776273] ? asm_exc_invalid_op+0x12/0x20 # [ 60.781240] ? refcount_warn_saturate+0xba/0x110 # [ 60.786719] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 60.793139] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 60.799752] direct_entry.cold+0x2c/0x38 # [ 60.804428] full_proxy_write+0x53/0x80 # [ 60.815220] vfs_write+0xe7/0x3b0 # [ 60.825423] ksys_write+0x68/0xf0 # [ 60.829422] do_syscall_64+0x30/0x40 # [ 60.839926] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 60.845890] RIP: 0033:0x7ff372991473 # [ 60.850172] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 60.871461] RSP: 002b:00007ffc3866a568 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.886445] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007ff372991473 # [ 60.900924] RDX: 0000000000000020 RSI: 00007ff372885000 RDI: 0000000000000001 # [ 60.909187] RBP: 00007ff372885000 R08: 00007ff372884010 R09: 0000000000000000 # [ 60.917444] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 60.925712] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 60.940190] irq event stamp: 0 # [ 60.943914] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 60.951207] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 60.960638] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 60.970067] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 60.977359] ---[ end trace ffd54ce207130e99 ]--- # [ 60.982799] 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 # [ 61.677545] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 61.687530] lkdtm: attempting good copy_to_user of correct size # [ 61.700633] 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 # [ 61.864395] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 61.876454] lkdtm: attempting good copy_from_user of correct size # [ 61.889768] 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 # [ 62.030042] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 62.041545] lkdtm: attempting good copy_to_user inside whitelist # [ 62.054846] 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 # [ 62.238437] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 62.249677] lkdtm: attempting good copy_from_user inside whitelist # [ 62.263114] 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 # [ 62.408638] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 62.420434] lkdtm: good_stack: ffffac21c33bfe20-ffffac21c33bfe40 # [ 62.427453] lkdtm: bad_stack : ffffac21c33bfda8-ffffac21c33bfdc8 # [ 62.440680] lkdtm: attempting good copy_to_user of local stack # [ 62.453717] 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 # [ 62.597044] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 62.604798] lkdtm: good_stack: ffffac21c345fe20-ffffac21c345fe40 # [ 62.618037] lkdtm: bad_stack : ffffac21c345fda8-ffffac21c345fdc8 # [ 62.631246] lkdtm: attempting good copy_from_user of local stack # [ 62.644529] 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 # [ 62.790891] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 62.801783] lkdtm: good_stack: ffffac21c34dfe20-ffffac21c34dfe40 # [ 62.815001] lkdtm: bad_stack : ffffac21c34dfff8-ffffac21c34e0018 # [ 62.822014] lkdtm: attempting good copy_to_user of local stack # [ 62.828852] lkdtm: attempting bad copy_to_user of distant stack # [ 62.841965] 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 # [ 63.016900] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 63.028805] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffa137ecd0 # [ 63.043990] lkdtm: attempting bad copy_to_user from kernel text: ffffffff9fae1300 # [ 63.058834] 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 # [ 63.199299] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 63.208198] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 63.222588] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 63.236866] lkdtm: FAIL: the thread stack is NOT properly erased # [ 63.250086] CPU: 1 PID: 2870 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 63.265243] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 63.272338] Call Trace: # [ 63.275362] dump_stack+0x77/0x9b # [ 63.285566] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 63.291013] direct_entry.cold+0x2c/0x38 # [ 63.295685] full_proxy_write+0x53/0x80 # [ 63.300260] vfs_write+0xe7/0x3b0 # [ 63.310462] ksys_write+0x68/0xf0 # [ 63.314455] do_syscall_64+0x30/0x40 # [ 63.318736] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 63.330882] RIP: 0033:0x7f6277225473 # [ 63.335164] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 63.356443] RSP: 002b:00007ffe5b7af278 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.365192] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f6277225473 # [ 63.373454] RDX: 0000000000000012 RSI: 00007f6277119000 RDI: 0000000000000001 # [ 63.381715] RBP: 00007f6277119000 R08: 00007f6277118010 R09: 0000000000000000 # [ 63.389977] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 63.398238] 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 # [ 63.583953] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 63.593695] lkdtm: Calling matched prototype ... # [ 63.599152] lkdtm: Calling mismatched prototype ... # [ 63.604899] lkdtm: Fail: survived mismatched prototype function call! # CFI_FORWARD_PROTO: missing 'call trace:': [FAIL] not ok 70 selftests: lkdtm: CFI_FORWARD_PROTO.sh # exit=1 lkdtm_PANIC_sh skip lkdtm_BUG_sh pass lkdtm_WARNING_sh pass lkdtm_WARNING_MESSAGE_sh pass lkdtm_EXCEPTION_sh pass lkdtm_LOOP_sh skip lkdtm_EXHAUST_STACK_sh skip lkdtm_CORRUPT_STACK_sh skip lkdtm_CORRUPT_STACK_STRONG_sh skip lkdtm_CORRUPT_LIST_ADD_sh fail lkdtm_CORRUPT_LIST_DEL_sh fail lkdtm_STACK_GUARD_PAGE_LEADING_sh pass lkdtm_STACK_GUARD_PAGE_TRAILING_sh pass lkdtm_UNSET_SMEP_sh pass lkdtm_DOUBLE_FAULT_sh skip lkdtm_CORRUPT_PAC_sh skip lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh skip lkdtm_OVERWRITE_ALLOCATION_sh skip lkdtm_WRITE_AFTER_FREE_sh skip lkdtm_READ_AFTER_FREE_sh fail lkdtm_WRITE_BUDDY_AFTER_FREE_sh skip lkdtm_READ_BUDDY_AFTER_FREE_sh fail lkdtm_SLAB_FREE_DOUBLE_sh fail lkdtm_SLAB_FREE_CROSS_sh fail lkdtm_SLAB_FREE_PAGE_sh fail lkdtm_SOFTLOCKUP_sh skip lkdtm_HARDLOCKUP_sh skip lkdtm_SPINLOCKUP_sh skip lkdtm_HUNG_TASK_sh skip lkdtm_EXEC_DATA_sh pass lkdtm_EXEC_STACK_sh pass lkdtm_EXEC_KMALLOC_sh pass lkdtm_EXEC_VMALLOC_sh pass lkdtm_EXEC_RODATA_sh pass lkdtm_EXEC_USERSPACE_sh pass lkdtm_EXEC_NULL_sh pass lkdtm_ACCESS_USERSPACE_sh pass lkdtm_ACCESS_NULL_sh pass lkdtm_WRITE_RO_sh pass lkdtm_WRITE_RO_AFTER_INIT_sh pass lkdtm_WRITE_KERN_sh pass lkdtm_REFCOUNT_INC_OVERFLOW_sh pass lkdtm_REFCOUNT_ADD_OVERFLOW_sh pass lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh pass lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh pass lkdtm_REFCOUNT_DEC_ZERO_sh pass lkdtm_REFCOUNT_DEC_NEGATIVE_sh pass lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh pass lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh pass lkdtm_REFCOUNT_INC_ZERO_sh pass lkdtm_REFCOUNT_ADD_ZERO_sh pass lkdtm_REFCOUNT_INC_SATURATED_sh pass lkdtm_REFCOUNT_DEC_SATURATED_sh pass lkdtm_REFCOUNT_ADD_SATURATED_sh pass lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh pass lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh pass lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh pass lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh pass lkdtm_REFCOUNT_TIMING_sh skip lkdtm_ATOMIC_TIMING_sh skip lkdtm_USERCOPY_HEAP_SIZE_TO_sh fail lkdtm_USERCOPY_HEAP_SIZE_FROM_sh fail lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh fail lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh fail lkdtm_USERCOPY_STACK_FRAME_TO_sh fail lkdtm_USERCOPY_STACK_FRAME_FROM_sh fail lkdtm_USERCOPY_STACK_BEYOND_sh fail lkdtm_USERCOPY_KERNEL_sh fail lkdtm_STACKLEAK_ERASING_sh fail lkdtm_CFI_FORWARD_PROTO_sh fail + ../../utils/send-to-lava.sh ./output/result.txt + set +x / #