[Enter `^Ec?' for help] coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_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 67524 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 3. AP: slot 3 apic_id 2. AP: slot 1 apic_id 1. Waiting for 2nd SIPI to complete...done. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab21603(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010a19. filesize: 0x3b08 memsize: 0x8bc0 Processing 243 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd SMM Module: stub loaded at 7b008000. Will call 7b010a19(00000000) Clearing SMI status registers SMI_STS: PM1 PM1_STS: PWRBTN TCO_STS: BOOT SECOND_TO New SMBASE 0x7b000000 In relocation handler: CPU 0 New SMBASE=0x7b000000 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afffc00 In relocation handler: CPU 1 New SMBASE=0x7afffc00 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff800 In relocation handler: CPU 2 New SMBASE=0x7afff800 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff400 In relocation handler: CPU 3 New SMBASE=0x7afff400 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. Initializing CPU #0 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC... apic_id: 0x00 done. Turbo is available but hidden Turbo has been enabled SGX : param.enable = 0 Skip microcode update CPU #0 initialized Initializing CPU #1 Initializing CPU #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: 0x02 done. Setting up local APIC...Setting up local APIC...Skip microcode update apic_id: 0x03 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 226 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 376039 run 166690 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: 03: enabled 1 APIC: 02: enabled 1 Compare with tree... Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 APIC: 00: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 APIC: 02: 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 8973 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 8975 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 8971 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 8974 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 8964 usecs scan_usb_bus for USB0 port 0 done scan_bus: scanning of bus USB0 port 0 took 90954 usecs scan_usb_bus for PCI: 00:14.0 done scan_bus: scanning of bus PCI: 00:14.0 took 107741 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 14152 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 14146 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 53503 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 13862 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 11313 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 9267 usecs PCI: 00:1f.3 scanning... scan_bus: scanning of bus PCI: 00:1f.3 took 2719 usecs PCI: 00:1f.4 scanning... scan_generic_bus for PCI: 00:1f.4 scan_generic_bus for PCI: 00:1f.4 done scan_bus: scanning of bus PCI: 00:1f.4 took 10048 usecs PCI: 00:1f.5 scanning... scan_generic_bus for PCI: 00:1f.5 scan_generic_bus for PCI: 00:1f.5 done scan_bus: scanning of bus PCI: 00:1f.5 took 10051 usecs scan_bus: scanning of bus DOMAIN: 0000 took 466004 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 486110 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=1 SRP0=0 MRC: NOT enabling PRR for 'UNIFIED_MRC_CACHE'. BS: BS_DEV_ENUMERATE times (us): entry 0 run 825878 exit 39243 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: 03 APIC: 02 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: 03 APIC: 02 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 2114166 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 227 run 139276 exit 21108 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 30853 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 6980 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2249 usecs PCI: 00:04.0 init ... PCI: 00:04.0 init finished in 2248 usecs PCI: 00:08.0 init ... PCI: 00:08.0 init finished in 2249 usecs PCI: 00:14.0 init ... PCI: 00:14.0 init finished in 2250 usecs PCI: 00:14.2 init ... PCI: 00:14.2 init finished in 2249 usecs PCI: 00:15.0 init ... DW I2C bus 0 at 0xd1132000 (400 KHz) PCI: 00:15.0 init finished in 5966 usecs PCI: 00:15.1 init ... DW I2C bus 1 at 0xd1133000 (400 KHz) PCI: 00:15.1 init finished in 5966 usecs PCI: 00:16.0 init ... PCI: 00:16.0 init finished in 2248 usecs PCI: 00:19.1 init ... DW I2C bus 5 at 0xd1136000 (400 KHz) PCI: 00:19.1 init finished in 5966 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 2250 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 23457 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 23783 usecs PCI: 00:1f.4 init ... PCI: 00:1f.4 init finished in 2259 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2389 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 24416 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: 03: enabled 1 APIC: 02: 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 2023-11-02 16:19:28 UTC POST: Unexpected post code in previous boot: 0x34 ELOG: Event(A3) added with size 11 at 2023-11-02 16:19:28 UTC ELOG: Event(92) added with size 9 at 2023-11-02 16:19:28 UTC ELOG: Event(9A) added with size 9 at 2023-11-02 16:19:28 UTC ELOG: Event(AD) added with size 10 at 2023-11-02 16:19:28 UTC ELOG: Event(9F) added with size 14 at 2023-11-02 16:19:28 UTC BS: BS_DEV_INIT times (us): entry 0 run 416991 exit 60009 ELOG: Event(A1) added with size 10 at 2023-11-02 16:19:29 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2023-11-02 16:19:29 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 25551 run 3968 exit 5206 BS: BS_OS_RESUME_CHECK times (us): entry 0 run 58 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 | high 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 5b90 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 00000058 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 537408 exit 145984 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 656 run 258780 exit 135064 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 11931942/tftp-deploy-5lhhctw5/kernel/bzImage 11931942/tftp-deploy-5lhhctw5/kernel/cmdline 11931942/tftp-deploy-5lhhctw5/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 11931942/tftp-deploy-5lhhctw5/kernel/bzIploy-5lhhctw5/kernel/cmdline 11931942/tftp-deploy-5lhhctw5/ramdisk/ramdisk.cpio.gz Waiting for link R8152: Initializing Version 9 (ocp_data = 6010) R8152: Done initializing Adding net device done. MAC: 00:e0:4c:68:0b:d9 Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.13 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 11931942/tftp-deploy-5lhhctw5/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 ################################################################ 01000000 ############################################################## done. The bootfile was 17277440 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: 11931942/tftp-deploy-5lhhctw5/kernel/cmdline The command line is: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console_msg_format=syslog earlycon deferred_probe_timeout=60 console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/11931942/extract-nfsrootfs-zrwzly19,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: 18539023 Starting kernel ... <5>[ 0.000000] Linux version 5.10.199-cip39 (KernelCI@build-j5190-x86-64-gcc-10-x86-64-defconfig-x86-board-gf9nl) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Thu Nov 2 16:12:30 UTC 2023 <6>[ 0.000000] Command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console_msg_format=syslog earlycon deferred_probe_timeout=60 console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/11931942/extract-nfsrootfs-zrwzly19,tcp,hard ip=dhcp tftpserverip=192.168.201.1 <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>[ 0.000043] last_pfn = 0x17f000 max_arch_pfn = 0x400000000 <6>[ 0.001109] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT <6>[ 0.005622] last_pfn = 0x7a998 max_arch_pfn = 0x400000000 <6>[ 0.018924] check: Scanning 1 areas for low memory corruption <6>[ 0.018934] Using GB pages for direct mapping <6>[ 0.019354] RAMDISK: [mem 0x375ff000-0x37ffffff] <6>[ 0.019360] ACPI: Early table checksum verification disabled <6>[ 0.019366] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) <6>[ 0.019376] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.019394] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.019409] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531) <6>[ 0.019419] ACPI: FACS 0x000000007AA9A240 000040 <6>[ 0.019427] ACPI: FACS 0x000000007AA9A240 000040 <6>[ 0.019436] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE COREBOOT 0000002A CORE 0000002A) <6>[ 0.019445] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.019454] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.019463] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.019472] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS 00000000 CORE 00000000) <6>[ 0.019482] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.019491] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.019500] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.019509] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63] <6>[ 0.019513] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962] <6>[ 0.019517] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] <6>[ 0.019520] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] <6>[ 0.019524] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969] <6>[ 0.019527] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab] <6>[ 0.019531] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef] <6>[ 0.019535] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b] <6>[ 0.019538] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b] <6>[ 0.019542] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607] <6>[ 0.019545] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670] <6>[ 0.019549] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7] <6>[ 0.019677] No NUMA configuration found <6>[ 0.019681] Faking a node at [mem 0x0000000000000000-0x000000017effffff] <6>[ 0.019690] NODE_DATA(0) allocated [mem 0x17effa000-0x17effdfff] <6>[ 0.019725] Zone ranges: <6>[ 0.019729] DMA [mem 0x0000000000001000-0x0000000000ffffff] <6>[ 0.019735] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] <6>[ 0.019740] Normal [mem 0x0000000100000000-0x000000017effffff] <6>[ 0.019746] Movable zone start for each node <6>[ 0.019749] Early memory node ranges <6>[ 0.019753] node 0: [mem 0x0000000000001000-0x000000000009ffff] <6>[ 0.019757] node 0: [mem 0x0000000000100000-0x000000007a997fff] <6>[ 0.019760] node 0: [mem 0x0000000100000000-0x000000017effffff] <6>[ 0.019765] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff] <6>[ 0.019792] On node 0, zone DMA: 1 pages in unavailable ranges <6>[ 0.019828] On node 0, zone DMA: 96 pages in unavailable ranges <6>[ 0.029693] On node 0, zone Normal: 22120 pages in unavailable ranges <6>[ 0.029754] On node 0, zone Normal: 4096 pages in unavailable ranges <6>[ 0.029776] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] <6>[ 0.030117] ACPI: PM-Timer IO Port: 0x1808 <6>[ 0.030167] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 <6>[ 0.030177] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) <6>[ 0.030182] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) <6>[ 0.030193] Using ACPI (MADT) for SMP configuration information <6>[ 0.030198] ACPI: HPET id: 0x8086a701 base: 0xfed00000 <6>[ 0.030204] TSC deadline timer available <6>[ 0.030208] smpboot: Allowing 4 CPUs, 0 hotplug CPUs <6>[ 0.030232] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] <6>[ 0.030237] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] <6>[ 0.030241] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff] <6>[ 0.030244] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] <6>[ 0.030248] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff] <6>[ 0.030251] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff] <6>[ 0.030254] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff] <6>[ 0.030258] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff] <6>[ 0.030261] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff] <6>[ 0.030264] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff] <6>[ 0.030268] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff] <6>[ 0.030271] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff] <6>[ 0.030274] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff] <6>[ 0.030277] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff] <6>[ 0.030281] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff] <6>[ 0.030287] [mem 0x80000000-0xdfffffff] available for PCI devices <6>[ 0.030293] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns <6>[ 0.043499] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 <6>[ 0.043719] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 <6>[ 0.043782] Built 1 zonelists, mobility grouping on. Total pages: 1006266 <6>[ 0.043786] Policy zone: Normal <5>[ 0.043797] Kernel command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console_msg_format=syslog earlycon deferred_probe_timeout=60 console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/11931942/extract-nfsrootfs-zrwzly19,tcp,hard ip=dhcp tftpserverip=192.168.201.1 <6>[ 0.044249] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) <6>[ 0.044453] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) <6>[ 0.044525] mem auto-init: stack:off, heap alloc:off, heap free:off <6>[ 0.062670] Memory: 3876300K/4089052K available (22546K kernel code, 3713K rwdata, 10972K rodata, 2168K init, 13956K bss, 212492K reserved, 0K cma-reserved) <6>[ 0.062785] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 <6>[ 0.062833] Kernel/User page tables isolation: enabled <6>[ 0.062927] ftrace: allocating 61869 entries in 242 pages <6>[ 0.114574] ftrace: allocated 242 pages with 5 groups <6>[ 0.114796] Running RCU self tests <6>[ 0.114809] rcu: Hierarchical RCU implementation. <6>[ 0.114812] rcu: RCU event tracing is enabled. <6>[ 0.114816] rcu: RCU lockdep checking is enabled. <6>[ 0.114819] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. <6>[ 0.114823] Rude variant of Tasks RCU enabled. <6>[ 0.114827] Tracing variant of Tasks RCU enabled. <6>[ 0.114831] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. <6>[ 0.114834] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 <6>[ 0.122361] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 <5>[ 0.122765] random: crng init done <6>[ 0.122850] Console: colour dummy device 80x25 <6>[ 0.196237] printk: console [ttyS0] enabled <4>[ 0.196626] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar <4>[ 0.197309] ... MAX_LOCKDEP_SUBCLASSES: 8 <4>[ 0.197690] ... MAX_LOCK_DEPTH: 48 <4>[ 0.198073] ... MAX_LOCKDEP_KEYS: 8192 <4>[ 0.198476] ... CLASSHASH_SIZE: 4096 <4>[ 0.198873] ... MAX_LOCKDEP_ENTRIES: 32768 <4>[ 0.199278] ... MAX_LOCKDEP_CHAINS: 65536 <4>[ 0.199688] ... CHAINHASH_SIZE: 32768 <4>[ 0.200093] memory used by lock dependency info: 6365 kB <4>[ 0.200582] memory used for stack traces: 4224 kB <4>[ 0.201020] per task-struct memory footprint: 1920 bytes <6>[ 0.201555] ACPI: Core revision 20200925 <6>[ 0.202104] hpet: HPET dysfunctional in PC10. Force disabled. <6>[ 0.202625] APIC: Switch to symmetric I/O mode setup <6>[ 0.207108] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns <6>[ 0.208044] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960) <6>[ 0.209027] mce: CPU0: Thermal monitoring enabled (TM1) <6>[ 0.209030] process: using mwait in idle threads <6>[ 0.209030] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 <6>[ 0.209030] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 <6>[ 0.209030] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization <6>[ 0.209030] Spectre V2 : Mitigation: IBRS <6>[ 0.209030] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch <6>[ 0.209030] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT <6>[ 0.209030] RETBleed: Mitigation: IBRS <6>[ 0.209030] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier <6>[ 0.209030] Spectre V2 : User space: Mitigation: STIBP via seccomp and prctl <6>[ 0.209030] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp <6>[ 0.209030] MDS: Vulnerable: Clear CPU buffers attempted, no microcode <6>[ 0.209030] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode <6>[ 0.209030] SRBDS: Vulnerable: No microcode <6>[ 0.209030] GDS: Vulnerable: No microcode <6>[ 0.209030] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' <6>[ 0.209030] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' <6>[ 0.209030] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' <6>[ 0.209030] x86/fpu: Supporting XSAVE feature 0x008: 'MPX bounds registers' <6>[ 0.209030] x86/fpu: Supporting XSAVE feature 0x010: 'MPX CSR' <6>[ 0.209030] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 <6>[ 0.209030] x86/fpu: xstate_offset[3]: 832, xstate_sizes[3]: 64 <6>[ 0.209030] x86/fpu: xstate_offset[4]: 896, xstate_sizes[4]: 64 <6>[ 0.209030] x86/fpu: Enabled xstate features 0x1f, context size is 960 bytes, using 'compacted' format. <4>[ 0.209030] ------------[ cut here ]------------ <4>[ 0.209030] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 <4>[ 0.209030] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:725 apply_returns+0x1f5/0x220 <4>[ 0.209030] Modules linked in: <4>[ 0.209030] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.199-cip39 #1 <4>[ 0.209030] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 0.209030] RIP: 0010:apply_returns+0x1f5/0x220 <4>[ 0.209030] Code: 67 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 40 e8 c7 9a c6 05 c0 14 67 02 01 e8 3d fc 15 01 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc <4>[ 0.209030] RSP: 0000:ffffffff9b003e28 EFLAGS: 00010282 <4>[ 0.209030] RAX: 0000000000000000 RBX: ffffffff9bc2c164 RCX: 0000000000000000 <4>[ 0.209030] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff98d77b91 <4>[ 0.209030] RBP: ffffffff9a8f8240 R08: 0000000000000001 R09: 0000000000000001 <4>[ 0.209030] R10: ffffffff9b08fec0 R11: 3fffffffffffffff R12: ffffffff9bc4549c <4>[ 0.209030] R13: cccccccccccccccc R14: ffffffff9a8f8245 R15: 0000000000000004 <4>[ 0.209030] FS: 0000000000000000(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000 <4>[ 0.209030] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 0.209030] CR2: ffff98f13efff000 CR3: 0000000033c26001 CR4: 00000000003706f0 <4>[ 0.209030] Call Trace: <4>[ 0.209030] ? __warn+0x80/0x110 <4>[ 0.209030] ? apply_returns+0x1f5/0x220 <4>[ 0.209030] ? report_bug+0x9e/0xc0 <4>[ 0.209030] ? handle_bug+0x41/0x90 <4>[ 0.209030] ? exc_invalid_op+0x14/0x70 <4>[ 0.209030] ? asm_exc_invalid_op+0x12/0x20 <4>[ 0.209030] ? console_unlock+0x4d1/0x5f0 <4>[ 0.209030] ? apply_returns+0x1f5/0x220 <4>[ 0.209030] ? apply_returns+0x1f5/0x220 <4>[ 0.209030] alternative_instructions+0x7d/0x143 <4>[ 0.209030] arch_cpu_finalize_init+0x28/0x47 <4>[ 0.209030] start_kernel+0x4a3/0x54d <4>[ 0.209030] secondary_startup_64_no_verify+0xc2/0xcb <4>[ 0.209030] irq event stamp: 200365 <4>[ 0.209030] hardirqs last enabled at (200373): [] console_unlock+0x4d1/0x5f0 <4>[ 0.209030] hardirqs last disabled at (200380): [] console_unlock+0x444/0x5f0 <4>[ 0.209030] softirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 0.209030] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 0.209030] ---[ end trace 2116846283a51492 ]--- <6>[ 0.209030] Freeing SMP alternatives memory: 48K <6>[ 0.209030] pid_max: default: 32768 minimum: 301 <6>[ 0.209030] LSM: Security Framework initializing <6>[ 0.209030] SELinux: Initializing. <6>[ 0.209030] LSM support for eBPF active <6>[ 0.209030] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) <6>[ 0.209030] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) <6>[ 0.209030] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9) <6>[ 0.209498] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver. <6>[ 0.210042] ... version: 4 <6>[ 0.210419] ... bit width: 48 <6>[ 0.210801] ... generic registers: 4 <6>[ 0.211035] ... value mask: 0000ffffffffffff <6>[ 0.211519] ... max period: 00007fffffffffff <6>[ 0.212001] ... fixed-purpose events: 3 <6>[ 0.212034] ... event mask: 000000070000000f <6>[ 0.212936] rcu: Hierarchical SRCU implementation. <6>[ 0.214656] smp: Bringing up secondary CPUs ... <6>[ 0.215583] x86: Booting SMP configuration: <6>[ 0.215992] .... node #0, CPUs: #1 <4>[ 0.216366] 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>[ 0.218036] 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>[ 0.219482] #2 #3 <6>[ 0.221441] smp: Brought up 1 node, 4 CPUs <6>[ 0.222036] smpboot: Max logical packages: 1 <6>[ 0.222437] smpboot: Total of 4 processors activated (12799.68 BogoMIPS) <6>[ 0.225350] devtmpfs: initialized <6>[ 0.225614] x86/mm: Memory block size: 128MB <6>[ 0.229105] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns <6>[ 0.230051] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) <6>[ 0.231056] pinctrl core: initialized pinctrl subsystem <6>[ 0.232401] PM: RTC time: 16:19:43, date: 2023-11-02 <6>[ 0.233348] NET: Registered protocol family 16 <6>[ 0.234383] audit: initializing netlink subsys (disabled) <5>[ 0.234902] audit: type=2000 audit(1698941983.026:1): state=initialized audit_enabled=0 res=1 <6>[ 0.235539] thermal_sys: Registered thermal governor 'step_wise' <6>[ 0.235740] thermal_sys: Registered thermal governor 'user_space' <6>[ 0.236100] cpuidle: using governor menu <6>[ 0.237154] ACPI: bus type PCI registered <6>[ 0.237832] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000) <6>[ 0.238041] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820 <6>[ 0.238674] PCI: Using configuration type 1 for base access <6>[ 0.267553] Kprobes globally optimized <6>[ 0.268150] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages <6>[ 0.268150] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages <6>[ 0.269094] cryptomgr_test (39) used greatest stack depth: 15272 bytes left <6>[ 0.270095] cryptomgr_test (38) used greatest stack depth: 14880 bytes left <6>[ 0.273067] ACPI: Added _OSI(Module Device) <6>[ 0.273461] ACPI: Added _OSI(Processor Device) <6>[ 0.273873] ACPI: Added _OSI(3.0 _SCP Extensions) <6>[ 0.274035] ACPI: Added _OSI(Processor Aggregator Device) <6>[ 0.274529] ACPI: Added _OSI(Linux-Dell-Video) <6>[ 0.274941] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) <6>[ 0.275036] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) <6>[ 0.285379] ACPI: 2 ACPI AML tables successfully acquired and loaded <6>[ 0.292398] ACPI: EC: EC started <6>[ 0.292728] ACPI: EC: interrupt blocked <6>[ 0.293664] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 <6>[ 0.294038] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions <6>[ 0.294695] ACPI: Interpreter enabled <6>[ 0.295092] ACPI: (supports S0 S3 S4 S5) <6>[ 0.295463] ACPI: Using IOAPIC for interrupt routing <6>[ 0.295978] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug <6>[ 0.309747] ACPI: Power Resource [PRIC] (on) <6>[ 0.437455] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) <6>[ 0.438022] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] <6>[ 0.438276] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] <6>[ 0.438956] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge <6>[ 0.439534] PCI host bridge to bus 0000:00 <6>[ 0.439922] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] <6>[ 0.440037] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] <6>[ 0.440645] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] <6>[ 0.441035] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window] <6>[ 0.441700] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window] <6>[ 0.442035] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window] <6>[ 0.442700] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window] <6>[ 0.443035] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window] <6>[ 0.443700] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window] <6>[ 0.444035] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window] <6>[ 0.444700] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window] <6>[ 0.445035] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window] <6>[ 0.445699] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window] <6>[ 0.446035] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window] <6>[ 0.446700] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window] <6>[ 0.447035] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window] <6>[ 0.447700] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window] <6>[ 0.448035] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window] <6>[ 0.448714] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window] <6>[ 0.449035] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window] <6>[ 0.449701] pci_bus 0000:00: root bus resource [bus 00-ff] <6>[ 0.450115] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000 <6>[ 0.451535] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000 <6>[ 0.452055] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit] <6>[ 0.452673] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref] <6>[ 0.453042] pci 0000:00:02.0: reg 0x20: [io 0x1c00-0x1c3f] <6>[ 0.454078] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000 <6>[ 0.454641] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit] <6>[ 0.455660] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000 <6>[ 0.456057] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit] <6>[ 0.457213] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330 <6>[ 0.457781] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit] <6>[ 0.458162] pci 0000:00:14.0: PME# supported from D3hot D3cold <6>[ 0.459324] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000 <6>[ 0.459893] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit] <6>[ 0.460614] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000 <6>[ 0.461078] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit] <6>[ 0.462364] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000 <6>[ 0.462941] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit] <6>[ 0.463753] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000 <6>[ 0.464078] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit] <6>[ 0.464706] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit] <6>[ 0.465699] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000 <6>[ 0.466079] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit] <6>[ 0.467396] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400 <6>[ 0.468110] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold <6>[ 0.469286] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000 <6>[ 0.469863] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit] <6>[ 0.470727] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000 <6>[ 0.471078] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit] <6>[ 0.472357] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501 <6>[ 0.472927] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit] <6>[ 0.473794] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501 <6>[ 0.474071] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit] <6>[ 0.475323] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100 <6>[ 0.476501] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000 <6>[ 0.477065] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff] <6>[ 0.478249] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100 <6>[ 0.478824] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit] <6>[ 0.479088] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit] <6>[ 0.479781] pci 0000:00:1f.3: PME# supported from D3hot D3cold <6>[ 0.480657] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500 <6>[ 0.481101] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit] <6>[ 0.481776] pci 0000:00:1f.4: reg 0x20: [io 0xefa0-0xefbf] <6>[ 0.482644] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000 <6>[ 0.483063] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff] <6>[ 0.484528] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 <6>[ 0.485227] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit] <6>[ 0.486682] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold <6>[ 0.488657] pci 0000:00:1c.0: PCI bridge to [bus 01] <6>[ 0.489049] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] <6>[ 0.490750] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.491267] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15) <6>[ 0.492113] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.492982] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.493265] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.494131] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.494997] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.495259] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.500843] ACPI: EC: interrupt unblocked <6>[ 0.501034] ACPI: EC: event unblocked <6>[ 0.501392] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 <6>[ 0.501859] ACPI: EC: GPE=0x6e <6>[ 0.502038] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete <6>[ 0.502667] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events <6>[ 0.503375] iommu: Default domain type: Translated <6>[ 0.504160] pci 0000:00:02.0: vgaarb: setting as boot VGA device <6>[ 0.504646] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none <6>[ 0.505059] pci 0000:00:02.0: vgaarb: bridge control possible <6>[ 0.505580] vgaarb: loaded <5>[ 0.506327] SCSI subsystem initialized <6>[ 0.506707] ACPI: bus type USB registered <6>[ 0.507168] usbcore: registered new interface driver usbfs <6>[ 0.507716] usbcore: registered new interface driver hub <6>[ 0.508065] usbcore: registered new device driver usb <6>[ 0.508619] mc: Linux media interface: v0.10 <6>[ 0.509041] videodev: Linux video capture interface: v2.00 <6>[ 0.509564] pps_core: LinuxPPS API ver. 1 registered <6>[ 0.510020] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <6>[ 0.510043] PTP clock support registered <6>[ 0.510467] Advanced Linux Sound Architecture Driver Initialized. <6>[ 0.511858] NetLabel: Initializing <6>[ 0.512035] NetLabel: domain hash size = 128 <6>[ 0.512441] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO <6>[ 0.513018] NetLabel: unlabeled traffic allowed by default <6>[ 0.513151] PCI: Using ACPI for IRQ routing <6>[ 0.521222] clocksource: Switched to clocksource tsc-early <5>[ 0.847793] VFS: Disk quotas dquot_6.6.0 <6>[ 0.848201] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) <6>[ 0.849153] pnp: PnP ACPI init <6>[ 0.850065] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved <6>[ 0.850677] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved <6>[ 0.851272] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved <6>[ 0.851876] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved <6>[ 0.852482] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved <6>[ 0.853077] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved <6>[ 0.853710] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved <6>[ 0.854344] system 00:00: [mem 0xff000000-0xffffffff] has been reserved <6>[ 0.854941] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved <6>[ 0.855546] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved <6>[ 0.856845] system 00:01: [io 0x1800-0x18fe] has been reserved <6>[ 0.857678] system 00:03: [io 0x0900-0x09fe] has been reserved <6>[ 0.858410] system 00:04: [io 0x0200] has been reserved <6>[ 0.858897] system 00:04: [io 0x0204] has been reserved <6>[ 0.859394] system 00:04: [io 0x0800-0x087f] has been reserved <6>[ 0.859932] system 00:04: [io 0x0880-0x08ff] has been reserved <6>[ 0.862755] pnp: PnP ACPI: found 6 devices <6>[ 0.874674] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns <6>[ 0.875559] NET: Registered protocol family 2 <6>[ 0.876103] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) <6>[ 0.878056] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) <6>[ 0.879007] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) <6>[ 0.879874] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) <6>[ 0.882096] TCP: Hash tables configured (established 32768 bind 32768) <6>[ 0.882940] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) <6>[ 0.883841] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) <6>[ 0.884670] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) <6>[ 0.885629] NET: Registered protocol family 1 <6>[ 0.886555] RPC: Registered named UNIX socket transport module. <6>[ 0.887112] RPC: Registered udp transport module. <6>[ 0.887561] RPC: Registered tcp transport module. <6>[ 0.887995] RPC: Registered tcp NFSv4.1 backchannel transport module. <6>[ 0.889030] NET: Registered protocol family 44 <6>[ 0.889474] pci 0000:00:1c.0: PCI bridge to [bus 01] <6>[ 0.889946] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] <6>[ 0.890577] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] <6>[ 0.891132] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] <6>[ 0.891694] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] <6>[ 0.892362] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window] <6>[ 0.892977] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window] <6>[ 0.893600] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window] <6>[ 0.894215] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window] <6>[ 0.894843] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window] <6>[ 0.895475] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window] <6>[ 0.896097] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window] <6>[ 0.896725] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window] <6>[ 0.897356] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window] <6>[ 0.897979] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window] <6>[ 0.898638] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window] <6>[ 0.899259] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window] <6>[ 0.899888] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window] <6>[ 0.900519] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window] <6>[ 0.901142] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window] <6>[ 0.901785] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window] <6>[ 0.902416] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window] <6>[ 0.903039] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff] <6>[ 0.903967] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] <6>[ 0.906220] PCI: CLS 64 bytes, default 64 <6>[ 0.906908] Unpacking initramfs... <6>[ 1.215263] Freeing initrd memory: 10244K <6>[ 1.215725] DMAR: Host address width 39 <6>[ 1.216112] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 <6>[ 1.216657] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e <6>[ 1.217412] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff <6>[ 1.217974] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 <6>[ 1.218477] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da <6>[ 1.219261] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) <6>[ 1.219850] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB) <6>[ 1.220745] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer <6>[ 1.221464] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules <6>[ 1.221985] RAPL PMU: hw unit of domain package 2^-14 Joules <6>[ 1.222525] RAPL PMU: hw unit of domain dram 2^-14 Joules <6>[ 1.223017] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules <6>[ 1.223535] RAPL PMU: hw unit of domain psys 2^-14 Joules <3>[ 1.225344] kvm: already loaded the other module <6>[ 1.231037] check: Scanning for low memory corruption every 60 seconds <5>[ 1.233947] Initialise system trusted keyrings <6>[ 1.234567] workingset: timestamp_bits=56 max_order=20 bucket_order=0 <5>[ 1.249418] NFS: Registering the id_resolver key type <5>[ 1.249914] Key type id_resolver registered <5>[ 1.250336] Key type id_legacy registered <5>[ 1.266185] Key type asymmetric registered <5>[ 1.266605] Asymmetric key parser 'x509' registered <6>[ 1.267093] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 248) <6>[ 1.267773] io scheduler mq-deadline registered <6>[ 1.268194] io scheduler kyber registered <4>[ 1.268740] test_firmware: interface ready <6>[ 1.270290] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120 <6>[ 1.271809] ACPI: AC Adapter [AC] (on-line) <6>[ 1.272495] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0 <6>[ 1.274076] ACPI: Lid Switch [LID0] <6>[ 1.274609] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 <6>[ 1.275456] ACPI: Power Button [PWRF] <6>[ 1.276055] ACPI: \_PR_.CP00: Found 3 idle states <6>[ 1.277102] ACPI: \_PR_.CP01: Found 3 idle states <6>[ 1.277984] ACPI: \_PR_.CP02: Found 3 idle states <6>[ 1.278941] ACPI: \_PR_.CP03: Found 3 idle states <6>[ 1.280214] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled <4>[ 1.282937] hpet_acpi_add: no address or irqs in _CRS <6>[ 1.283679] Non-volatile memory driver v1.3 <6>[ 1.283878] battery: ACPI: Battery Slot [BAT0] (battery present) <6>[ 1.284190] Linux agpgart interface v0.103 <6>[ 1.285273] ACPI: bus type drm_connector registered <6>[ 1.285844] [drm] amdgpu kernel modesetting enabled. <6>[ 1.288378] i915 0000:00:02.0: vgaarb: deactivate vga console <6>[ 1.341308] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem <6>[ 1.343288] i915 0000:00:02.0: [drm] Finished loading DMC firmware i915/kbl_dmc_ver1_04.bin (v1.4) <6>[ 1.362812] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 <6>[ 1.365859] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 <6>[ 1.378357] loop: module loaded <6>[ 1.379257] lkdtm: No crash points registered, enable through debugfs <6>[ 1.397439] printk: console [ttyS0] disabled <6>[ 1.398067] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A <6>[ 2.295035] tsc: Refined TSC clocksource calibration: 1608.000 MHz <6>[ 2.295058] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172daa3a18b, max_idle_ns: 440795212390 ns <6>[ 2.295193] clocksource: Switched to clocksource tsc <6>[ 5.014260] printk: console [ttyS0] enabled <6>[ 5.014336] fbcon: i915drmfb (fb0) is primary device <6>[ 5.023708] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A <4>[ 5.025251] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO <6>[ 5.032128] e100: Intel(R) PRO/100 Network Driver <6>[ 5.032130] e100: Copyright(c) 1999-2006 Intel Corporation <6>[ 5.032174] e1000: Intel(R) PRO/1000 Network Driver <6>[ 5.032176] e1000: Copyright (c) 1999-2006 Intel Corporation. <6>[ 5.032230] e1000e: Intel(R) PRO/1000 Network Driver <6>[ 5.032231] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. <6>[ 5.032289] igb: Intel(R) Gigabit Ethernet Network Driver <6>[ 5.032290] igb: Copyright (c) 2007-2014 Intel Corporation. <6>[ 5.032354] sky2: driver version 1.30 <6>[ 5.032568] usbcore: registered new interface driver r8152 <6>[ 5.032944] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver <6>[ 5.032961] ehci-pci: EHCI PCI platform driver <6>[ 5.033012] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver <6>[ 5.033031] ohci-pci: OHCI PCI platform driver <6>[ 5.033072] uhci_hcd: USB Universal Host Controller Interface driver <6>[ 5.033884] xhci_hcd 0000:00:14.0: xHCI Host Controller <6>[ 5.034582] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 <6>[ 5.035142] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2 <6>[ 5.035906] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 <6>[ 5.035948] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported <6>[ 5.037417] xhci_hcd 0000:00:14.0: xHCI Host Controller <6>[ 5.037786] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 <6>[ 5.037799] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed <6>[ 5.038164] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 <6>[ 5.038178] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 <6>[ 5.038181] usb usb1: Product: xHCI Host Controller <6>[ 5.038184] usb usb1: Manufacturer: Linux 5.10.199-cip39 xhci-hcd <6>[ 5.038186] usb usb1: SerialNumber: 0000:00:14.0 <6>[ 5.039442] hub 1-0:1.0: USB hub found <6>[ 5.039582] hub 1-0:1.0: 12 ports detected <6>[ 5.042074] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 <6>[ 5.042078] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 <6>[ 5.042080] usb usb2: Product: xHCI Host Controller <6>[ 5.042083] usb usb2: Manufacturer: Linux 5.10.199-cip39 xhci-hcd <6>[ 5.042085] usb usb2: SerialNumber: 0000:00:14.0 <6>[ 5.042756] hub 2-0:1.0: USB hub found <6>[ 5.042800] hub 2-0:1.0: 6 ports detected <6>[ 5.044290] usbcore: registered new interface driver usblp <6>[ 5.044383] usbcore: registered new interface driver usb-storage <6>[ 5.044828] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers <6>[ 5.044962] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 <4>[ 5.044965] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp <4>[ 5.045662] i8042: Warning: Keylock active <6>[ 5.045942] serio: i8042 KBD port at 0x60,0x64 irq 1 <6>[ 5.047545] rtc_cmos 00:02: RTC can wake from S4 <6>[ 5.049521] rtc_cmos 00:02: registered as rtc0 <6>[ 5.050022] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 <6>[ 5.051241] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram <6>[ 5.052077] i801_smbus 0000:00:1f.4: SPD Write Disable is set <6>[ 5.052123] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt <6>[ 5.053018] i2c i2c-9: 2/2 memory slots populated (from DMI) <6>[ 5.053776] Console: switching to colour frame buffer device 240x67 <6>[ 5.054019] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0) <6>[ 5.054444] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com <6>[ 5.054492] intel_pstate: Intel P-state driver initializing <6>[ 5.055186] intel_pstate: HWP enabled <6>[ 5.055234] sdhci: Secure Digital Host Controller Interface driver <6>[ 5.055235] sdhci: Copyright(c) Pierre Ossman <6>[ 5.055264] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21) <6>[ 5.056228] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit <6>[ 5.056415] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 5.057838] hid: raw HID events driver (C) Jiri Kosina <6>[ 5.058542] usbcore: registered new interface driver usbhid <6>[ 5.058543] usbhid: USB HID core driver <6>[ 5.058951] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3 <6>[ 5.064012] cros_ec_lpcs GOOG0004:00: Chrome EC device registered <6>[ 5.064582] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100 <6>[ 5.069076] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device <6>[ 5.075685] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) <6>[ 5.085262] ipip: IPv4 and MPLS over IPv4 tunneling driver <6>[ 5.168227] 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 <3>[ 5.174998] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up <6>[ 5.175449] IPv4 over IPsec tunneling driver <6>[ 5.175723] Initializing XFRM netlink socket <6>[ 5.176108] NET: Registered protocol family 10 <6>[ 5.176892] Segment Routing with IPv6 <6>[ 5.177684] NET: Registered protocol family 17 <6>[ 5.177815] 8021q: 802.1Q VLAN Support v1.8 <5>[ 5.177850] Key type dns_resolver registered <6>[ 5.290319] usb 1-3: new full-speed USB device number 2 using xhci_hcd <6>[ 5.291180] microcode: sig=0x806e9, pf=0x10, revision=0x98 <6>[ 5.319028] mmc0: new HS400 MMC card at address 0001 <6>[ 5.326321] microcode: Microcode Update Driver: v2.2. <6>[ 5.332355] mmcblk0: mmc0:0001 DA4064 58.2 GiB <6>[ 5.336242] IPI shorthand broadcast: enabled <6>[ 5.341122] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB <6>[ 5.347583] sched_clock: Marking stable (5262155729, 85299910)->(5477046221, -129590582) <6>[ 5.354569] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB <6>[ 5.384489] registered taskstats version 1 <6>[ 5.389580] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (245:0) <5>[ 5.395073] Loading compiled-in X.509 certificates <6>[ 5.396841] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 5.417138] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 <6>[ 5.424618] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 5.465483] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 <6>[ 5.478410] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 5.479294] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 <6>[ 5.487494] PM: Magic number: 15:149:337 <6>[ 5.493839] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 5.500172] tty tty58: hash matches <6>[ 5.580400] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd <6>[ 5.799053] printk: console [netcon0] enabled <6>[ 5.804222] netconsole: network logging started <6>[ 5.811584] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 <6>[ 5.821027] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6 <6>[ 5.829304] usb 2-3: Product: USB 10/100/1000 LAN <6>[ 5.834860] usb 2-3: Manufacturer: Realtek <6>[ 5.839732] usb 2-3: SerialNumber: 001000001 <6>[ 5.847236] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 5.924547] usb 1-9: new high-speed USB device number 3 using xhci_hcd <6>[ 6.090584] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07 <6>[ 6.100057] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2 <6>[ 6.108337] usb 1-9: Product: USB2.0 HD UVC WebCam <6>[ 6.113992] usb 1-9: Manufacturer: Azurewave <6>[ 6.119073] usb 1-9: SerialNumber: 0x0001 <6>[ 6.130158] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.175367] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd <6>[ 6.219613] r8152 2-3:1.0: load rtl8153b-2 v2 04/27/23 successfully <6>[ 6.255396] r8152 2-3:1.0 eth0: v1.11.11 <6>[ 6.260491] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 9.297432] r8152 2-3:1.0 eth0: carrier on <6>[ 9.299466] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready <5>[ 9.311436] Sending DHCP requests .., OK <6>[ 12.052159] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.13 <6>[ 12.061410] IP-Config: Complete: <6>[ 12.065315] device=eth0, hwaddr=00:e0:4c:68:0b:d9, ipaddr=192.168.201.13, mask=255.255.255.0, gw=192.168.201.1 <6>[ 12.077292] host=asus-c433ta-aj0005-rammus-cbg-0, domain=lava-rack, nis-domain=(none) <6>[ 12.086819] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= <6>[ 12.086821] nameserver0=192.168.201.1 <5>[ 12.100176] cfg80211: Loading compiled-in X.509 certificates for regulatory database <6>[ 12.111983] modprobe (101) used greatest stack depth: 14208 bytes left <5>[ 12.114864] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' <6>[ 12.119607] modprobe (102) used greatest stack depth: 14120 bytes left <4>[ 12.127483] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 <6>[ 12.128389] ALSA device list: <6>[ 12.128399] No soundcards found. <6>[ 12.152549] cfg80211: failed to load regulatory.db <4>[ 12.158447] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console <6>[ 12.168399] Freeing unused kernel image (initmem) memory: 2168K <6>[ 12.188560] Write protecting the kernel read-only data: 36864k <6>[ 12.196275] Freeing unused kernel image (text/rodata gap) memory: 2028K <6>[ 12.204388] Freeing unused kernel image (rodata/data gap) memory: 1316K <6>[ 12.212191] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u2 <6>[ 12.232313] systemd-udevd (123) used greatest stack depth: 13816 bytes left <6>[ 12.280260] udevadm (125) used greatest stack depth: 13592 bytes left <6>[ 12.409425] chromeos ramoops using acpi device. <6>[ 12.410614] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 12.424815] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <4>[ 12.433843] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. <6>[ 12.448823] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <4>[ 12.456165] i2c_hid i2c-PNP0C50:00: supply vdd not found, using dummy regulator <4>[ 12.468134] i2c_hid i2c-PNP0C50:00: supply vddl not found, using dummy regulator <6>[ 12.484234] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 12.512314] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 12.512603] Registered efivars operations <6>[ 12.525708] gsmi version 1.0 loaded <6>[ 12.642221] 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>[ 12.660155] hid-generic 0018:0457:157E.0001: input,hidraw0: I2C HID v1.00 Device [PNP0C50:00 0457:157E] on i2c-PNP0C50:00 <6>[ 12.673034] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 12.690417] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 12.701951] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 12.714254] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 12.729960] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 12.732470] uvcvideo: Found UVC 1.00 device USB2.0 HD UVC WebCam (13d3:56d4) <4>[ 12.740135] da7219 i2c-DLGS7219:00: Using default DAI clk names: da7219-dai-wclk, da7219-dai-bclk <6>[ 12.741274] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 12.758190] 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>[ 12.765472] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 12.777862] usbcore: registered new interface driver uvcvideo <6>[ 12.787191] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 12.792657] USB Video Class driver (1.1.1) <6>[ 12.807239] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 12.831104] udevadm (143) 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:68:0b:d9 mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.13 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-0 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : <6>[ 12.987998] nfsmount (172) used greatest stack depth: 12544 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>[ 13.310747] 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>[ 13.349666] systemd[1]: Detected architecture x86-64. Welcome to Debian GNU/Linux 11 (bullseye)! <30>[ 13.370937] systemd[1]: Set hostname to . <30>[ 13.665816] systemd[1]: Queued start job for default target Graphical Interface. <30>[ 13.676445] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. <30>[ 13.692951] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. <30>[ 13.709925] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. <30>[ 13.726896] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. <30>[ 13.743852] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. <30>[ 13.765859] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. <30>[ 13.785729] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [ OK ] Set up automount Arbitrary…s File System Automount Point. <30>[ 13.808768] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. <30>[ 13.825715] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. <30>[ 13.837657] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. <30>[ 13.853635] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. <30>[ 13.865649] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. <30>[ 13.877199] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. <30>[ 13.896114] systemd[1]: Listening on Journal Audit Socket. [ OK ] Listening on Journal Audit Socket. <30>[ 13.914116] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). <30>[ 13.931679] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. <30>[ 13.948254] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. <30>[ 13.967648] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. <30>[ 13.984297] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. <30>[ 14.002890] systemd[1]: Mounting Huge Pages File System... Mounting Huge Pages File System... <30>[ 14.021828] systemd[1]: Mounting POSIX Message Queue File System... Mounting POSIX Message Queue File System... <30>[ 14.040825] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... <30>[ 14.058827] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... <30>[ 14.076469] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... <30>[ 14.099066] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... <30>[ 14.115849] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... <30>[ 14.130637] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... <30>[ 14.146946] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. <6>[ 14.157717] fuse: init (API version 7.32) <30>[ 14.163879] systemd[1]: Starting Journal Service... Starting Journal Service... <30>[ 14.178785] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... <30>[ 14.194756] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... <30>[ 14.212817] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... <30>[ 14.230457] systemd[1]: Mounted Huge Pages File System. [ OK ] Mounted Huge Pages File System. <30>[ 14.246684] systemd[1]: Mounted POSIX Message Queue File System. [ OK ] Mounted POSIX Message Queue File System. <30>[ 14.263663] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. <30>[ 14.279680] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. <30>[ 14.297902] 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>[ 14.317713] systemd[1]: Started Journal Service. [ OK ] Started Journal Service. [ OK ] Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Modules. [ OK ] Finished Remount Root and Kernel File Systems. 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... <46>[ 14.467686] systemd-journald[207]: Received client request to flush runtime journal. [ OK ] Mounted FUSE Control File System. [ OK ] Mounted Kernel Configuration File System. [ OK ] Finished Load/Save Random Seed. [ OK ] Finished Apply Kernel Variables. [ OK ] Finished Create System Users. [ OK ] Finished Coldplug All udev Devices. Starting Create Static Device Nodes in /dev... [ OK ] Finished Flush Journal to Persistent Storage. [ OK ] Finished Create Static Device Nodes in /dev. [ OK ] Reached target Local File Systems (Pre). [ OK ] Reached target Local File Systems. Starting 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. Starting Load/Save Screen …f backlight:intel_backlight... [ OK ] Started Network Service. [ OK ] Started Network Time Synchronization. [ OK ] Finished Load/Save Screen … of backlight:intel_backlight. [ OK ] Reached target System Time Set. [ OK ] Reached target System Time Synchronized. [ OK ] Listening on Load/Save RF …itch Status /dev/rfkill Watch. Starting Load/Save Screen …eds:chromeos::kbd_backlight... Starting Network Name Resolution... [ OK ] Finished Load/Save Screen … leds:chromeos::kbd_backlight. [ OK ] Reached target System Initialization. [ 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 ] Started Daily Cleanup of Temporary Directories. [ OK ] Reached target Timers. [ OK ] Listening on D-Bus System Message Bus Socket. [ OK ] Reached target Sockets. [ OK ] Reached target Basic System. [ OK ] Started D-Bus System Message Bus. Starting Remove Stale Onli…t4 Metadata Check Snapshots... Starting User Login Management... [ OK ] Started Network Name Resolution. [ OK ] Reached target Network. [ OK ] Reached target Host and Network Name Lookups. Starting Permit User Sessions... [ OK ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots. [ OK ] Finished Permit User Sessions. [ OK ] Started User Login Management. [ 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 5.10.199-cip39 #1 SMP Thu Nov 2 16:12:30 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. <6>[ 16.115058] systemd-xdg-aut (289) used greatest stack depth: 12384 bytes left / # / # export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/11931942/extract-nfsrootfs-zrwzly19' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/11931942/extract-nfsrootfs-zrwzly19' / # 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-11931942/environment . /lava-11931942/environment / # /lava-11931942/bin/lava-test-runner /lava-11931942/0 /lava-11931942/bin/lava-test-runner /lava-11931942/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-11931942/0/tests/0_timesync-off ++ cat uuid + UUID=11931942_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-11931942/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=11931942_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/v5.10.194-cip39-915-g96fa7f16cf02/x86_64/x86_64_defconfig+x86-board+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 --2023-11-02 16:20:00-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.194-cip39-915-g96fa7f16cf02/x86_64/x86_64_defconfig+x86-board+kselftest/gcc-10/kselftest.tar.xz Resolving storage.kernelci.org (storage.kernelci.org)... 20.171.243.82 Connecting to storage.kernelci.org (storage.kernelci.org)|20.171.243.82|:80... connected. HTTP request sent, awaiting response... 200 OK Length: 3375048 (3.2M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 50.15K 196KB/s kselftest.tar.xz 6%[> ] 217.50K 423KB/s kselftest.tar.xz 22%[===> ] 735.04K 808KB/s kselftest.tar.xz 35%[======> ] 1.14M 994KB/s kselftest.tar.xz 49%[========> ] 1.60M 1.12MB/s kselftest.tar.xz 59%[==========> ] 1.93M 1.14MB/s kselftest.tar.xz 85%[================> ] 2.74M 1.41MB/s kselftest.tar.xz 100%[===================>] 3.22M 1.55MB/s in 2.1s 2023-11-02 16:20:03 (1.55 MB/s) - 'kselftest.tar.xz' saved [3375048/3375048] 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_<12>[ 22.621180] kselftest: Running tests in lkdtm KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ===========End Tests to run =============== shardfile-lkdtm pass 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>[ 22.802586] lkdtm: Performing direct entry BUG <4>[ 22.807915] ------------[ cut here ]------------ <2>[ 22.813421] kernel BUG at drivers/misc/lkdtm/bugs.c:76! <4>[ 22.819588] invalid opcode: 0000 [#1] SMP PTI <4>[ 22.824750] CPU: 3 PID: 642 Comm: cat Tainted: G W 5.10.199-cip39 #1 <4>[ 22.833594] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 22.840692] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 22.845380] Code: 89 ff e8 1e dc 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 00 67 0b 03 <4>[ 22.866655] RSP: 0018:ffffa5c40133fe60 EFLAGS: 00010282 <4>[ 22.872780] RAX: ffffffff9977b5b0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 22.881042] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9a8f7db0 <4>[ 22.889301] RBP: ffffffff9ade7fb8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 22.897563] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 22.905815] R13: ffffa5c40133ff10 R14: ffffa5c40133ff10 R15: ffff98f0c6d8f000 <4>[ 22.914077] FS: 00007fe59f3f8580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000 <4>[ 22.923404] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 22.930112] CR2: 00007fe59f202000 CR3: 00000001048e8002 CR4: 00000000003706e0 <4>[ 22.938362] Call Trace: <4>[ 22.941403] ? __die_body.cold+0x1a/0x1f <4>[ 22.946069] ? die+0x2b/0x50 <4>[ 22.949573] ? do_trap+0x91/0x110 <4>[ 22.953552] ? lkdtm_BUG+0x5/0x10 <4>[ 22.957534] ? do_error_trap+0x90/0x110 <4>[ 22.962104] ? lkdtm_BUG+0x5/0x10 <4>[ 22.966092] ? lkdtm_BUG+0x5/0x10 <4>[ 22.970084] ? exc_invalid_op+0x4e/0x70 <4>[ 22.974651] ? lkdtm_BUG+0x5/0x10 <4>[ 22.978632] ? asm_exc_invalid_op+0x12/0x20 <4>[ 22.983584] ? direct_entry+0xe0/0xe0 <4>[ 22.987961] ? lkdtm_BUG+0x5/0x10 <4>[ 22.991951] direct_entry.cold+0x2c/0x38 <4>[ 22.996620] full_proxy_write+0x53/0x80 <4>[ 23.001200] vfs_write+0xe7/0x3b0 <4>[ 23.005189] ksys_write+0x68/0xf0 <4>[ 23.009178] do_syscall_64+0x30/0x40 <4>[ 23.013457] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 23.019388] RIP: 0033:0x7fe59f30e473 <4>[ 23.023667] 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>[ 23.044940] RSP: 002b:00007fff2f6e65e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 23.053687] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fe59f30e473 <4>[ 23.061949] RDX: 0000000000000004 RSI: 00007fe59f202000 RDI: 0000000000000001 <4>[ 23.070202] RBP: 00007fe59f202000 R08: 00007fe59f201010 R09: 0000000000000000 <4>[ 23.078455] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 23.086709] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 23.094966] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <0>[ 23.149649] gsmi: Log Shutdown Reason 0x03 <4>[ 23.154526] ---[ end trace 2116846283a51494 ]--- <4>[ 23.160010] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 23.164690] Code: 89 ff e8 1e dc 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 00 67 0b 03 <4>[ 23.185999] RSP: 0018:ffffa5c40133fe60 EFLAGS: 00010282 <4>[ 23.192157] RAX: ffffffff9977b5b0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 23.200472] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9a8f7db0 <4>[ 23.208745] RBP: ffffffff9ade7fb8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 23.217036] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 23.225349] R13: ffffa5c40133ff10 R14: ffffa5c40133ff10 R15: ffff98f0c6d8f000 <4>[ 23.233610] FS: 00007fe59f3f8580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000 <4>[ 23.242971] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 23.249710] CR2: 00007fe59f202000 CR3: 00000001048e8002 CR4: 00000000003706e0 # Segmentation fault # [ 22.802586] lkdtm: Performing direct entry BUG # [ 22.807915] ------------[ cut here ]------------ # [ 22.813421] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 22.819588] invalid opcode: 0000 [#1] SMP PTI # [ 22.824750] CPU: 3 PID: 642 Comm: cat Tainted: G W 5.10.199-cip39 #1 # [ 22.833594] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 22.840692] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 22.845380] Code: 89 ff e8 1e dc 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 00 67 0b 03 <6>[ 23.330040] lkdtm: Performing direct entry WARNING <4>[ 23.339798] ------------[ cut here ]------------ # [ 22.866655] RSP: 0018:ffffa5c40133fe60 EFLAGS: 00010282 #<4>[ 23.345252] WARNING: CPU: 3 PID: 680 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 [ 22.872780] RAX: ffffffff9977b5b0 RBX: 0000000000000001 RCX:<4>[ 23.361179] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 23.420167] CPU: 3 PID: 680 Comm: cat Tainted: G D W 5.10.199-cip39 #1 <4>[ 23.429039] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 23.436138] RIP: 0010:lkdtm_WARNING+0x13/0x20 <4>[ 23.441293] 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 00 67 0b 03 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 e1 66 <4>[ 23.462569] RSP: 0018:ffffa5c4013dfe60 EFLAGS: 00010202 <4>[ 23.468719] RAX: ffffffff9977b5c0 RBX: 0000000000000002 RCX: 0000000000000000 0000000000000000 # [ 22.881042] RDX: 0000000000000000 RSI: f<4>[ 23.476995] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9a8f7dc0 <4>[ 23.491462] RBP: ffffffff9ad81c4f R08: 0000000000000000 R09: 0000000000000000 <4>[ 23.499716] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 <4>[ 23.507977] R13: ffffa5c4013dff10 R14: ffffa5c4013dff10 R15: ffff98f0c4843000 <4>[ 23.516232] FS: 00007f141fbce580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000 <4>[ 23.525564] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 23.532273] CR2: 00007f141f9d8000 CR3: 000000010267a006 CR4: 00000000003706e0 <4>[ 23.540536] Call Trace: <4>[ 23.543551] ? __warn+0x80/0x110 <4>[ 23.547475] ? lkdtm_WARNING+0x13/0x20 <4>[ 23.551953] ? report_bug+0x9e/0xc0 <4>[ 23.556141] ? handle_bug+0x41/0x90 <4>[ 23.560349] ? exc_invalid_op+0x14/0x70 fff98f13ad9bf50 RDI: ffffffff9a8f7db0 # [ 22.889301] RBP: fff<4>[ 23.564934] ? asm_exc_invalid_op+0x12/0x20 <4>[ 23.576112] ? lkdtm_BUG+0x10/0x10 <4>[ 23.580199] ? lkdtm_WARNING+0x13/0x20 <4>[ 23.584675] direct_entry.cold+0x2c/0x38 <4>[ 23.589348] full_proxy_write+0x53/0x80 <4>[ 23.593929] vfs_write+0xe7/0x3b0 <4>[ 23.597944] ksys_write+0x68/0xf0 <4>[ 23.601936] do_syscall_64+0x30/0x40 <4>[ 23.606217] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 23.612149] RIP: 0033:0x7f141fae4473 <4>[ 23.616431] 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>[ 23.637705] RSP: 002b:00007fff280d5e38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 23.646454] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f141fae4473 <4>[ 23.654716] RDX: 0000000000000008 RSI: 00007f141f9d8000 RDI: 0000000000000001 <4>[ 23.662978] RBP: 00007f141f9d8000 R08: 00007f141f9d7010 R09: 0000000000000000 <4>[ 23.671241] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 23.679504] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 23.687791] irq event stamp: 0 fffff9ade7fb8 R08: 0000000000000001 R09: 0000000000000001 # [ <4>[ 23.691502] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 23.705003] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 23.714453] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 23.723884] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 23.731175] ---[ end trace 2116846283a51495 ]--- 22.897563] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 22.905815] R13: ffffa5c40133ff10 R14: ffffa5c40133ff10 R15: ffff98f0c6d8f000 # [ 22.914077] FS: 00007fe59f3f8580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000 # [ 22.923404] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 22.930112] CR2: 00007fe59f202000 CR3: 00000001048e8002 CR4: 00000000003706e0 # [ 22.938362] Call Trace: # [ 22.941403] ? __die_body.cold+0x1a/0x1f # [ 22.946069] ? die+0x2b/0x50 # [ 22.949573] ? do_trap+0x91/0x110 # [ 22.953552] ? lkdtm_BUG+0x5/0x10 # [ 22.957534] ? do_error_trap+0x90/0x110 # [ 22.962104] ? lkdtm_BUG+0x5/0x10 # [ 22.966092]<6>[ 23.803645] lkdtm: Performing direct entry WARNING_MESSAGE <4>[ 23.811448] ------------[ cut here ]------------ ? lkdtm_BUG+0x5/0x10 # [ 22.970084] ? exc_invalid_op+0x4e/<4>[ 23.816924] Warning message trigger count: 2 0x70 # [ 22.974651] ? lkdtm_BUG+0x5/0x10 # [ 22.978632] <4>[ 23.828229] WARNING: CPU: 3 PID: 716 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 ? asm_exc_invalid_op+0x12/0x20 # [ 22.983584] ? direct_entry<4>[ 23.844936] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 23.903934] CPU: 3 PID: 716 Comm: cat Tainted: G D W 5.10.199-cip39 #1 <4>[ 23.912809] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 23.919909] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 <4>[ 23.925842] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 e1 66 0b 03 48 c7 c7 b0 21 d8 9a 8d 70 01 89 35 d1 66 0b 03 e8 02 b1 69 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 <4>[ 23.947121] RSP: 0018:ffffa5c40145fe60 EFLAGS: 00010286 <4>[ 23.953278] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 <4>[ 23.961545] RDX: ffff98f13adac620 RSI: ffff98f13ad9bf50 RDI: ffff98f13ad9bf50 <4>[ 23.969840] RBP: ffffffff9ad81c57 R08: 0000000000000000 R09: 0000000000000000 <4>[ 23.978103] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 <4>[ 23.986382] R13: ffffa5c40145ff10 R14: ffffa5c40145ff10 R15: ffff98f0c2bb0000 <4>[ 23.994645] FS: 00007fcdb7cf7580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000 <4>[ 24.003982] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 +0xe0/0xe0 # [ 22.987961] ? lkdtm_BUG+0x5/0x10 # [ 22.991<4>[ 24.010720] CR2: 00007fcdb7b01000 CR3: 0000000102b44005 CR4: 00000000003706e0 <4>[ 24.025189] Call Trace: <4>[ 24.028229] ? __warn+0x80/0x110 951] direct_entry.cold+0x2c/0x38 # [ 22.996620] full_proxy_<4>[ 24.032132] ? lkdtm_WARNING_MESSAGE+0x20/0x30 <4>[ 24.043593] ? report_bug+0x9e/0xc0 <4>[ 24.047779] ? handle_bug+0x41/0x90 <4>[ 24.051987] ? exc_invalid_op+0x14/0x70 <4>[ 24.056560] ? asm_exc_invalid_op+0x12/0x20 <4>[ 24.061525] ? lkdtm_WARNING_MESSAGE+0x20/0x30 <4>[ 24.066804] direct_entry.cold+0x2c/0x38 <4>[ 24.071477] full_proxy_write+0x53/0x80 <4>[ 24.076053] vfs_write+0xe7/0x3b0 <4>[ 24.080067] ksys_write+0x68/0xf0 <4>[ 24.084057] do_syscall_64+0x30/0x40 <4>[ 24.088339] entry_SYSCALL_64_after_hwframe+0x62/0xc7 write+0x53/0x80 # [ 23.001200] vfs_write+0xe7/0x3b0 # [ 2<4>[ 24.094274] RIP: 0033:0x7fcdb7c0d473 <4>[ 24.104766] 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>[ 24.126040] RSP: 002b:00007fffb8c3e108 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 24.134788] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fcdb7c0d473 <4>[ 24.143050] RDX: 0000000000000010 RSI: 00007fcdb7b01000 RDI: 0000000000000001 <4>[ 24.151329] RBP: 00007fcdb7b01000 R08: 00007fcdb7b00010 R09: 0000000000000000 3.005189] ksys_write+0x68/0xf0 # [ 23.009178] do_syscall_64<4>[ 24.159600] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 24.174072] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 +0x30/0x40 # [ 23.013457] entry_SYSCALL_64_after_hwframe+0x6<4>[ 24.182342] irq event stamp: 0 <4>[ 24.192254] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 24.199545] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 24.208973] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 24.218398] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 24.225693] ---[ end trace 2116846283a51496 ]--- 2/0xc7 # [ 23.019388] RIP: 0033:0x7fe59f30e473 # [ 23.023667] 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 # [ 23.044940] RSP: 002b:00007fff2f6e65e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 23.053687] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fe59f30e473 # [ 23.061949] RDX: 0000000000000004 RSI: 00007fe59f202000 RDI: 0000000000000001 # [ 23.070202] RBP: 00007fe59f202000 R08: 00007fe59f201010 R09: 0000000000000000 # [ 23.078455] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 23.0<6>[ 24.298543] lkdtm: Performing direct entry EXCEPTION 86709] R13: 0000000000000001 R14: 0000000000020000 R15: 00000000<1>[ 24.305412] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 24.319673] #PF: supervisor write access in kernel mode <1>[ 24.325795] #PF: error_code(0x0002) - not-present page <6>[ 24.331820] PGD 0 P4D 0 <4>[ 24.334934] Oops: 0002 [#2] SMP PTI <4>[ 24.339116] CPU: 0 PID: 749 Comm: cat Tainted: G D W 5.10.199-cip39 #1 <4>[ 24.347959] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 24.355055] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 <4>[ 24.360303] Code: 48 c7 c7 b0 21 d8 9a 8d 70 01 89 35 d1 66 0b 03 e8 02 b1 69 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>[ 24.381574] RSP: 0018:ffffa5c4014dfe60 EFLAGS: 00010282 <4>[ 24.387697] RAX: ffffffff9977b610 RBX: 0000000000000004 RCX: 0000000000000000 <4>[ 24.395955] RDX: 0000000000000000 RSI: ffff98f13ac1bf50 RDI: ffffffff9a8f7de0 <4>[ 24.404215] RBP: ffffffff9ac7593f R08: 0000000000000000 R09: 0000000000000000 <4>[ 24.412473] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 24.420733] R13: ffffa5c4014dff10 R14: ffffa5c4014dff10 R15: ffff98f0c2ebd000 <4>[ 24.428993] FS: 00007fbb03856580(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000 <4>[ 24.438338] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 24.445043] CR2: 0000000000000000 CR3: 0000000106f64005 CR4: 00000000003706f0 <4>[ 24.453301] Call Trace: <4>[ 24.456346] ? __die_body.cold+0x1a/0x1f <4>[ 24.461021] ? no_context+0x177/0x380 <4>[ 24.465399] ? exc_page_fault+0x53/0x170 <4>[ 24.470071] ? asm_exc_page_fault+0x1e/0x30 <4>[ 24.475031] ? lkdtm_WARNING_MESSAGE+0x30/0x30 <4>[ 24.480280] ? lkdtm_EXCEPTION+0x5/0x20 <4>[ 24.484852] direct_entry.cold+0x2c/0x38 <4>[ 24.489520] full_proxy_write+0x53/0x80 <4>[ 24.494096] vfs_write+0xe7/0x3b0 <4>[ 24.498083] ksys_write+0x68/0xf0 <4>[ 24.502072] do_syscall_64+0x30/0x40 <4>[ 24.506350] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 24.512280] RIP: 0033:0x7fbb0376c473 <4>[ 24.516557] 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>[ 24.537828] RSP: 002b:00007ffede288388 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 24.546574] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fbb0376c473 <4>[ 24.554833] RDX: 000000000000000a RSI: 00007fbb03660000 RDI: 0000000000000001 <4>[ 24.563091] RBP: 00007fbb03660000 R08: 00007fbb0365f010 R09: 0000000000000000 <4>[ 24.571351] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 24.579612] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 24.587874] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 24.640636] CR2: 0000000000000000 <4>[ 24.644624] ---[ end trace 2116846283a51497 ]--- <4>[ 24.650070] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 24.654728] Code: 89 ff e8 1e dc 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 00 67 0b 03 <4>[ 24.675997] RSP: 0018:ffffa5c40133fe60 EFLAGS: 00010282 <4>[ 24.682119] RAX: ffffffff9977b5b0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 24.690386] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9a8f7db0 <4>[ 24.698644] RBP: ffffffff9ade7fb8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 24.706901] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 24.715160] R13: ffffa5c40133ff10 R14: ffffa5c40133ff10 R15: ffff98f0c6d8f000 <4>[ 24.723419] FS: 00007fbb03856580(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000 <4>[ 24.732747] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 24.739446] CR2: 0000000000000000 CR3: 0000000106f64005 CR4: 00000000003706f0 <3>[ 24.747708] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 24.757909] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 749, name: cat <4>[ 24.766556] INFO: lockdep is turned off. <4>[ 24.771223] irq event stamp: 0 <4>[ 24.774919] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 24.782209] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 24.791635] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 24.801061] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 24.808343] CPU: 0 PID: 749 Comm: cat Tainted: G D W 5.10.199-cip39 #1 <4>[ 24.817183] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 24.824278] Call Trace: <4>[ 24.827297] dump_stack+0x77/0x9b <4>[ 24.831291] ___might_sleep.cold+0xa6/0xb6 <4>[ 24.836160] exit_signals+0x1c/0x300 <4>[ 24.840446] do_exit+0xc2/0xab0 <4>[ 24.844231] ? ksys_write+0x68/0xf0 <4>[ 24.848404] make_task_dead+0x2f/0x30 <4>[ 24.852774] rewind_stack_and_make_dead+0x17/0x20 <4>[ 24.858316] RIP: 0033:0x7fbb0376c473 <4>[ 24.862596] 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>[ 24.883866] RSP: 002b:00007ffede288388 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 24.892613] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fbb0376c473 <4>[ 24.900871] RDX: 000000000000000a RSI: 00007fbb03660000 RDI: 0000000000000001 <4>[ 24.909130] RBP: 00007fbb03660000 R08: 00007fbb0365f010 R09: 0000000000000000 <4>[ 24.917388] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 24.925649] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00020000 # [ 23.094966] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 23.149649] gsmi: Log Shutdown Reason 0x03 # [ 23.154526] ---[ end trace 2116846283a51494 ]--- # [ 23.160010] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 23.164690] Code: 89 ff e8 1e dc 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 00 67 0b 03 # [ 23.185999] RSP: 0018:ffffa5c40133fe60 EFLAGS: 00010282 # [ 23.192157] RAX: ffffffff9977b5b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 23.200472] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9a8f7db0 # [ 23.208745] RBP: ffffffff9ade7fb8 R08: 0000000000000001 R09: 0000000000000001 # [ 23.217036] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 23.225349] R13: ffffa5c40133ff10 R14: ffffa5c40133ff10 R15: ffff98f0c6d8f000 # [ 23.233610] FS: 00007fe59f3f8580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000 # [ 23.242971] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 23.249710] CR2: 00007fe59f202000 CR3: 00000001048e8002 CR4: 00000000003706e0 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 23.330040] lkdtm: Performing direct entry WARNING # [ 23.339798] ------------[ cut here ]------------ # [ 23.345252] WARNING: CPU: 3 PID: 680 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 # [ 23.361179] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvide<6>[ 25.127255] lkdtm: Performing direct entry CORRUPT_LIST_ADD <6>[ 25.139333] lkdtm: attempting good list addition o cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_<6>[ 25.144791] lkdtm: attempting corrupted list addition <3>[ 25.156931] lkdtm: list_add() corruption not detected! buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 23.420167] CPU: 3 PID: 680 Comm: cat Tainted: G D W 5.10.199-cip39 #1 # [ 23.429039] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 23.436138] RIP: 0010:lkdtm_WARNING+0x13/0x20 # [ 23.441293] 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 <6>[ 25.230151] lkdtm: Performing direct entry CORRUPT_LIST_DEL 00 83 05 00 67 0b 03 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc<6>[ 25.237884] lkdtm: attempting good list removal <6>[ 25.249443] lkdtm: attempting corrupted list removal cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 e1 66 # [ 23.46256<3>[ 25.255284] lkdtm: list_del() corruption not detected! 9] RSP: 0018:ffffa5c4013dfe60 EFLAGS: 00010202 # [ 23.468719] RAX: ffffffff9977b5c0 RBX: 0000000000000002 RCX: 0000000000000000 # [ 23.476995] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9a8f7dc0 # [ 23.491462] RBP: ffffffff9ad81c4f R08: 0000000000000000 R09: 0000000000000000 # [ 23.499716] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ 23.507977] R13: ffffa5c4013dff10 R14: ffffa5c4013dff10 R15: ffff98f0c4843000 # [ 23.516232] FS: 00007f141fbce580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000 # [ 23.525564] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 23.532273] CR2: 00007f141f9d8000 CR3: 000000010267a006 CR4: 0000000<6>[ 25.331108] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING 0003706e0 # [ 23.540536] Call Trace: # [ 23.543551] ? __w<6>[ 25.343240] lkdtm: attempting bad read from page below current stack arn+0x80/0x110 # [ 23.547475] ? lkdtm_WARNING+0x13/0x20 # [<0>[ 25.356859] BUG: stack guard page was hit at 000000004fabc69d (stack is 00000000d7957562..000000003aba6bf9) <4>[ 25.374215] kernel stack overflow (page fault): 0000 [#3] SMP PTI <4>[ 25.381311] CPU: 0 PID: 981 Comm: cat Tainted: G D W 5.10.199-cip39 #1 <4>[ 25.390153] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 25.397251] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a <4>[ 25.404060] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 50 25 d8 9a 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 ee de fb ff 48 c7 c7 90 25 d8 9a <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 d4 de fb ff 0f 1f 44 <4>[ 25.425324] RSP: 0018:ffffa5c401867e50 EFLAGS: 00010246 <4>[ 25.431447] RAX: 0000000000000038 RBX: ffffa5c401864000 RCX: 0000000000000000 <4>[ 25.439707] RDX: 0000000000000000 RSI: ffff98f13ac1bf50 RDI: ffffffff9ad82590 <4>[ 25.447966] RBP: ffffffff9ad81cba R08: 0000000000000000 R09: 0000000000000000 <4>[ 25.456225] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 <4>[ 25.464484] R13: ffffa5c401867f10 R14: ffffa5c401867f10 R15: ffff98f0c48f4000 <4>[ 25.472743] FS: 00007fd88e530580(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000 <4>[ 25.482070] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 25.488777] CR2: ffffa5c401863fff CR3: 00000001029b0002 CR4: 00000000003706f0 <4>[ 25.497037] Call Trace: <4>[ 25.500054] <#DF> <4>[ 25.502588] ? __die_body.cold+0x1a/0x1f <4>[ 25.507263] ? die+0x2b/0x50 <4>[ 25.510772] ? handle_stack_overflow+0x3e/0x4d <4>[ 25.516025] ? no_context+0x24d/0x380 <4>[ 25.520399] <4>[ 25.523026] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 25.575792] ---[ end trace 2116846283a51498 ]--- <4>[ 25.581241] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 25.585909] Code: 89 ff e8 1e dc 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 00 67 0b 03 <4>[ 25.607181] RSP: 0018:ffffa5c40133fe60 EFLAGS: 00010282 <4>[ 25.613296] RAX: ffffffff9977b5b0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 25.621554] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9a8f7db0 <4>[ 25.629814] RBP: ffffffff9ade7fb8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 25.638073] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 25.646333] R13: ffffa5c40133ff10 R14: ffffa5c40133ff10 R15: ffff98f0c6d8f000 <4>[ 25.654592] FS: 00007fd88e530580(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000 <4>[ 25.663920] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 25.670626] CR2: ffffa5c401863fff CR3: 00000001029b0002 CR4: 00000000003706f0 23.551953] ? report_bug+0x9e/0xc0 # [ 23.556141] ? handle_bug+0x41/0x90 # [ 23.560349] ? exc_invalid_op+0x14/0x70 # [ 23.564934] ? asm_exc_invalid_op+0x12/0x20 # [ 23.576112] ? lkdtm_BUG+0x10/0x10 # [ 23.580199] ? lkdtm_WARNING+0x13/0x20 # [ 23.584675] direct_entry.cold+0x2c/0x38 # [ 23.589348] full_proxy_write+0x53/0x80 # [ 23.593929] vfs_write+0xe7/0x3b0 # [ 23.597944] ksys_write+0x68/0xf0 # [ 23.601936] do_syscall_64+0x30/0x40 # [ 23.606217] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 23.612149] RIP: 0033:0x7f141fae4473 # [ 23.616431] 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<6>[ 25.750688] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING <6>[ 25.760872] lkdtm: attempting bad read from page above current stack <0>[ 25.768297] BUG: stack guard page was hit at 000000000920cd9e (stack is 00000000651d215b..00000000abda5cf0) <4>[ 25.779500] kernel stack overflow (page fault): 0000 [#4] SMP PTI <4>[ 25.786595] CPU: 3 PID: 1015 Comm: cat Tainted: G D W 5.10.199-cip39 #1 <4>[ 25.795533] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 25.802629] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d <4>[ 25.809530] Code: de fb ff 0f 1f 44 00 00 53 48 c7 c7 c8 25 d8 9a 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 b4 de fb ff 48 c7 c7 08 26 d8 9a <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 97 de fb ff <4>[ 25.830798] RSP: 0018:ffffa5c4018d7e50 EFLAGS: 00010246 <4>[ 25.836928] RAX: 0000000000000038 RBX: ffffa5c4018d4000 RCX: 0000000000000000 <4>[ 25.845188] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9ad82608 <4>[ 25.853448] RBP: ffffffff9ad81cd3 R08: 0000000000000000 R09: 0000000000000000 <4>[ 25.861709] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a <4>[ 25.869968] R13: ffffa5c4018d7f10 R14: ffffa5c4018d7f10 R15: ffff98f0c6c1a000 <4>[ 25.878225] FS: 00007f2050995580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000 <4>[ 25.887552] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 25.894257] CR2: ffffa5c4018d8000 CR3: 0000000102b04001 CR4: 00000000003706e0 <4>[ 25.902516] Call Trace: <4>[ 25.905533] <#DF> <4>[ 25.908065] ? __die_body.cold+0x1a/0x1f <4>[ 25.912734] ? die+0x2b/0x50 <4>[ 25.916239] ? handle_stack_overflow+0x3e/0x4d <4>[ 25.921489] ? no_context+0x24d/0x380 <4>[ 25.925863] 0<0 48 83 ec 28 48 89 54 24 18 # [ 23.637705] RSP: 002b:000074>[ 25.928489] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 25.987477] ---[ end trace 2116846283a51499 ]--- <4>[ 25.992923] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 25.997589] Code: 89 ff e8 1e dc 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 00 67 0b 03 <4>[ 26.018859] RSP: 0018:ffffa5c40133fe60 EFLAGS: 00010282 <4>[ 26.024983] RAX: ffffffff9977b5b0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 26.033241] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9a8f7db0 <4>[ 26.041499] RBP: ffffffff9ade7fb8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 26.049757] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 26.058015] R13: ffffa5c40133ff10 R14: ffffa5c40133ff10 R15: ffff98f0c6d8f000 <4>[ 26.066273] FS: 00007f2050995580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000 <4>[ 26.075600] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 26.082306] CR2: ffffa5c4018d8000 CR3: 0000000102b04001 CR4: 00000000003706e0 <3>[ 26.090588] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 26.100788] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1015, name: cat <4>[ 26.109531] INFO: lockdep is turned off. <4>[ 26.114198] irq event stamp: 0 <4>[ 26.117893] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 26.125182] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 26.134608] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 26.144030] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 26.151335] CPU: 3 PID: 1015 Comm: cat Tainted: G D W 5.10.199-cip39 #1 <4>[ 26.160275] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 26.167388] Call Trace: <4>[ 26.170397] dump_stack+0x77/0x9b <4>[ 26.174389] ___might_sleep.cold+0xa6/0xb6 <4>[ 26.179251] exit_signals+0x1c/0x300 <4>[ 26.183530] do_exit+0xc2/0xab0 <4>[ 26.187340] ? ksys_write+0x68/0xf0 <4>[ 26.191523] make_task_dead+0x2f/0x30 <4>[ 26.195900] rewind_stack_and_make_dead+0x17/0x20 <4>[ 26.201440] RIP: 0033:0x7f20508ab473 <4>[ 26.205720] 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>[ 26.226982] RSP: 002b:00007ffd36658598 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 26.235727] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f20508ab473 <4>[ 26.243987] RDX: 000000000000001a RSI: 00007f205079f000 RDI: 0000000000000001 <4>[ 26.252245] RBP: 00007f205079f000 R08: 00007f205079e010 R09: 0000000000000000 <4>[ 26.260505] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 26.268765] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 fff280d5e38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 23.646454] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f141fae4473 # [ 23.654716] RDX: 0000000000000008 RSI: 00007f141f9d8000 RDI: 0000000000000001 # [ 23.662978] RBP: 00007f141f9d8000 R08: 00007f141f9d7010 R09: 0000000000000000 # [ 23.671241] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 23.679504] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 23.687791] irq event stamp: 0 # [ 23.691502] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 23.705003] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 23.714453] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 23.723884] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 23.731175] ---[ end trace 2116846283<6>[ 26.359733] lkdtm: Performing direct entry UNSET_SMEP a51495 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdt<6>[ 26.370013] lkdtm: trying to clear SMEP normally m: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 23.<4>[ 26.381676] ------------[ cut here ]------------ 803645] lkdtm: Performing direct entry WARNING_MESSAGE # [ 23<4>[ 26.393341] pinned CR4 bits changed: 0x100000!? .811448] ------------[ cut here ]------------ # [ 23.816924] <4>[ 26.404911] WARNING: CPU: 1 PID: 1052 at arch/x86/kernel/cpu/common.c:397 native_write_cr4+0x45/0x60 Warning message trigger count: 2 # [ 23.828229] WARNING: CPU:<4>[ 26.421616] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table 3 PID: 716 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAG<4>[ 26.480564] CPU: 1 PID: 1052 Comm: cat Tainted: G D W 5.10.199-cip39 #1 E+0x20/0x30 # [ 23.844936] Modules linked in: fuse ip_tables <4>[ 26.495721] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core <4>[ 26.509035] RIP: 0010:native_write_cr4+0x45/0x60 videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops<4>[ 26.520697] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 38 5e 66 02 00 75 f2 48 c7 c7 e0 f9 c7 9a c6 05 28 5e 66 02 01 e8 8d 45 15 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_de<4>[ 26.548186] RSP: 0018:ffffa5c401987e48 EFLAGS: 00010286 bugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightba<4>[ 26.560533] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 <4>[ 26.575008] RDX: ffff98f13acac620 RSI: ffff98f13ac9bf50 RDI: ffff98f13ac9bf50 r cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_ch<4>[ 26.583270] RBP: ffffffff9ad81ced R08: 0000000000000000 R09: 0000000000000000 arger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev vi<4>[ 26.597767] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b deobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pst<4>[ 26.612248] R13: ffffa5c401987f10 R14: ffffa5c401987f10 R15: ffff98f0c6f73000 ore cros_kbd_led_backlight coreboot_table # [ 23.903934] CPU:<4>[ 26.626727] FS: 00007ff291f82580(0000) GS:ffff98f13ac80000(0000) knlGS:0000000000000000 <4>[ 26.642269] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 3 PID: 716 Comm: cat Tainted: G D W 5.10.199-cip39<4>[ 26.648980] CR2: 00007ff291d8c000 CR3: 0000000102b06001 CR4: 00000000003706e0 <4>[ 26.663452] Call Trace: #1 # [ 23.912809] Hardware name: Google Rammus/Rammus, BIOS <4>[ 26.666477] ? __warn+0x80/0x110 09/04/2020 # [ 23.919909] RIP: 0010:lkdtm_WARNING_MESSAGE+0x<4>[ 26.676575] ? native_write_cr4+0x45/0x60 20/0x30 # [ 23.925842] Code: cc cc cc cc 66 0f 1f 44 00 00 0f<4>[ 26.687559] ? report_bug+0x9e/0xc0 1f 44 00 00 8b 05 e1 66 0b 03 48 c7 c7 b0 21 d8 9a 8d 70 01 89 <4>[ 26.697984] ? handle_bug+0x41/0x90 <4>[ 26.708390] ? exc_invalid_op+0x14/0x70 35 d1 66 0b 03 e8 02 b1 69 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84<4>[ 26.712963] ? asm_exc_invalid_op+0x12/0x20 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 23.947121] RSP: 0018:ff<4>[ 26.724135] ? native_write_cr4+0x45/0x60 <4>[ 26.735115] ? native_write_cr4+0x45/0x60 ffa5c40145fe60 EFLAGS: 00010286 # [ 23.953278] RAX: 000000000<4>[ 26.739885] lkdtm_UNSET_SMEP.cold+0x1d/0x103 <4>[ 26.751249] direct_entry.cold+0x2c/0x38 0000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 23.96<4>[ 26.755946] full_proxy_write+0x53/0x80 1545] RDX: ffff98f13adac620 RSI: ffff98f13ad9bf50 RDI: ffff98f13<4>[ 26.766727] vfs_write+0xe7/0x3b0 <4>[ 26.776932] ksys_write+0x68/0xf0 ad9bf50 # [ 23.969840] RBP: ffffffff9ad81c57 R08: 00000000000<4>[ 26.780925] do_syscall_64+0x30/0x40 <4>[ 26.791413] entry_SYSCALL_64_after_hwframe+0x62/0xc7 00000 R09: 0000000000000000 # [ 23.978103] R10: 00000000ffffe<4>[ 26.797372] RIP: 0033:0x7ff291e98473 <4>[ 26.807862] 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 18 000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 23.986382<4>[ 26.829137] RSP: 002b:00007ffc74b9c648 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ] R13: ffffa5c40145ff10 R14: ffffa5c40145ff10 R15: ffff98f0c2bb0<4>[ 26.844096] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007ff291e98473 <4>[ 26.858574] RDX: 000000000000000b RSI: 00007ff291d8c000 RDI: 0000000000000001 000 # [ 23.994645] FS: 00007fcdb7cf7580(0000) GS:ffff98f13ad<4>[ 26.866839] RBP: 00007ff291d8c000 R08: 00007ff291d8b010 R09: 0000000000000000 <4>[ 26.881327] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 80000(0000) knlGS:0000000000000000 # [ 24.003982] CS: 0010 D<4>[ 26.889597] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 S: 0000 ES: 0000 CR0: 0000000080050033 # [ 24.010720] CR2: 00<4>[ 26.904075] irq event stamp: 0 <4>[ 26.913985] hardirqs last enabled at (0): [<0000000000000000>] 0x0 007fcdb7b01000 CR3: 0000000102b44005 CR4: 00000000003706e0 # [ <4>[ 26.921279] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 26.936915] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 24.025189] Call Trace: # [ 24.028229] ? __warn+0x80/0x110 <4>[ 26.946346] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 26.959844] ---[ end trace 2116846283a5149a ]--- # [ 24.032132] ? lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 24.0<6>[ 26.965292] lkdtm: ok: SMEP did not get cleared <6>[ 26.976849] lkdtm: trying to clear SMEP with call gadget <6>[ 26.983074] lkdtm: ok: SMEP removal was reverted 43593] ? report_bug+0x9e/0xc0 # [ 24.047779] ? handle_bug+0x41/0x90 # [ 24.051987] ? exc_invalid_op+0x14/0x70 # [ 24.056560] ? asm_exc_invalid_op+0x12/0x20 # [ 24.061525] ? lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 24.066804] direct_entry.cold+0x2c/0x38 # [ 24.071477] full_proxy_write+0x53/0x80 # [ 24.076053] vfs_write+0xe7/0x3b0 # [ 24.080067] ksys_write+0x68/0xf0 # [ 24.084057] do_syscall_64+0x30/0x40 # [ 24.088339] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 24.094274] RIP: 0033:0x7fcdb7c0d473 # [ 24.104766] 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 # [ 24.126040] RSP: 002b:00007fffb8c3e108 EFLAGS: 00000246 ORIG_RAX: 0<6>[ 27.064089] lkdtm: Performing direct entry DOUBLE_FAULT <3>[ 27.075445] lkdtm: XFAIL: this test is ia32-only 000000000000001 # [ 24.134788] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fcdb7c0d473 # [ 24.143050] RDX: 0000000000000010 RSI: 00007fcdb7b01000 RDI: 0000000000000001 # [ 24.151329] RBP: 00007fcdb7b01000 R08: 00007fcdb7b00010 R09: 0000000000000000 # [ 24.159600] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 24.174072] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 24.182342] irq event stamp: 0 # [ 24.192254] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 24.199545] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 24.208973] softirqs last enabled at (0): [[ 27.146423] lkdtm: Performing direct entry CORRUPT_PAC <3>[ 27.155329] lkdtm: XFAIL: this test is arm64-only cfd6cc>] copy_process+0x65c/0x20e0 # [ 24.218398] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 24.225693] ---[ end trace 2116846283a51496 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 24.298543] lkdtm: Performing direct entry EXCEPTION # [ 24.305412] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 24.319673] #PF: supervisor write access in kernel mode # [ 24.325795] #PF: error_code(0x0002) - not-present page # [ 24.331820] PGD 0 P4D 0 # [ 24.334934] Oops: 0002 [#2] SMP PTI # [ 24.339116] CPU: 0 PID: 749 Comm: cat Tainted: G D W 5.10.199-cip39 #1 # [ 24.347959] Hardware name: Google Ramm<6>[ 27.232272] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE <3>[ 27.242949] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS us/Rammus, BIOS 09/04/2020 # [ 24.355055] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 24.360303] Code: 48 c7 c7 b0 21 d8 9a 8d 70 01 89 35 d1 66 0b 03 e8 02 b1 69 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 # [ 24.381574] RSP: 0018:ffffa5c4014dfe60 EFLAGS: 00010282 # [ 24.387697] RAX: ffffffff9977b610 RBX: 0000000000000004 RCX: 0000000000000000 # [ 24.395955] RDX: 0000000000000000 RSI: ffff98f13ac1bf50 RDI: ffffffff9a8f7de0 # [ 24.404215] RBP: ffffffff9ac7593f R08: 0000000000000000 R09: 0000000000000000 # [ 24.412473] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 24.420733] R13: ffffa5c4014dff10 R14: ffffa5c4014dff10 R15: ffff98f0c2ebd000 # [ 24.428993] FS: 00007fbb03856580(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000 # [ 24.438338] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 24.445043] CR2: 0000000000000000 CR3: 0000000106f64005 CR4: 00000000003706f0 # [ 24.453301] Call Trace: # [ 24.456346] ? __die_body.cold+0x1a/0x1f # [ 24.461021] ? no_context+0x177/0x380 # [ 24.465399] ? exc_page_fault+0x53/0x170 # [ 24.470071] ? asm_exc_page_fault+0x1e/0x30 # [ 24.475031] ? lkdtm_WARNING<6>[ 27.372845] lkdtm: Performing direct entry READ_AFTER_FREE <6>[ 27.381638] lkdtm: Value in memory before free: 12345678 _MESSAGE+0x30/0x30 # [ 24.480280] ? lkdtm_EXCEPTION+0x5/0x20<6>[ 27.387872] lkdtm: Attempting bad read from freed memory <6>[ 27.400308] lkdtm: Memory was not poisoned # [ 24.484852] direct_entry.cold+0x2c/0x38 # [ 24.489520] full_proxy_write+0x53/0x80 # [ 24.494096] vfs_write+0xe7/0x3b0 # [ 24.498083] ksys_write+0x68/0xf0 # [ 24.502072] do_syscall_64+0x30/0x40 # [ 24.506350] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 24.512280] RIP: 0033:0x7fbb0376c473 # [ 24.516557] 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 # [ 24.537828] RSP: 002b:00007ffede288388 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 24.546574] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fbb0376c473 # [ 24.554833] RDX: 000000000000000a RSI: 00007fbb03660000 RDI: 0000000000000001 # [ 24.563091] RBP: 00007fbb03660000 R08: 00007fbb0365f010 R09: 0000000000000000 # [ 24.571351] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 24.579612] R13: 0000000000000001 R14: 0000000000020000<6>[ 27.498979] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE R15: 0000000000020000 # [ 24.587874] Modules linked in: fuse<6>[ 27.511666] lkdtm: Value in memory before free: 12345678 ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_se<6>[ 27.524080] lkdtm: Attempting to read from freed memory nsors_core videobuf2_vmalloc industrialio_triggered_buffer video<6>[ 27.536419] lkdtm: Buddy page was not poisoned buf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 24.640636] CR2: 0000000000000000 # [ 24.644624] ---[ end trace 2116846283a51497 ]--- # [ 24.650070] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 24.654728] Code: 89 ff e8 1e dc 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 00 67 0b 03 # [ 24.675997] RSP: 0018:ffffa5c<6>[ 27.620236] lkdtm: Performing direct entry SLAB_FREE_DOUBLE 40133fe60 EFLAGS: 00010282 # [ 24.682119] RAX: ffffffff9977b5<6>[ 27.628994] lkdtm: Attempting double slab free ... b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 24.690386] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9a8f7db0 # [ 24.698644] RBP: ffffffff9ade7fb8 R08: 0000000000000001 R09: 0000000000000001 # [ 24.706901] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 24.715160] R13: ffffa5c40133ff10 R14: ffffa5c40133ff10 R15: ffff98f0c6d8f000 # [ 24.723419] FS: 00007fbb03856580(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000 # [ 24.732747] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 24.739446] CR2: 0000000000000000 CR3: 0000000106f64005 CR4: 00000000003706f0 # [ 24.747708] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 24.757909] in_atomic(): 0, <6>[ 27.712775] lkdtm: Performing direct entry SLAB_FREE_CROSS irqs_disabled(): 1, non_block: 0, pid: 749, name: cat # [ 24.<6>[ 27.721875] lkdtm: Attempting cross-cache slab free ... 766556] INFO: lockdep is turned off. # [ 24.771223] irq event stamp: 0 # [ 24.774919] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 24.782209] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 24.791635] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 24.801061] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 24.808343] CPU: 0 PID: 749 Comm: cat Tainted: G D W 5.10.199-cip39 #1 # [ 24.817183] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 24.824278] Call Trace: # [ 24.827297] dump_stack+0x77/0x9b # [ 24.831291] ___might_sleep.cold+0xa6/0xb6 # [ 24.836160] exit_signals+0x1c/0x300 # [ 24.840446] do_exit+0xc<6>[ 27.805463] lkdtm: Performing direct entry SLAB_FREE_PAGE <6>[ 27.815121] lkdtm: Attempting non-Slab slab free ... 2/0xab0 # [ 24.844231] ? ksys_write+0x68/0xf0 # [ 24.848404] make_task_dead+0x2f/0x30 # [ 24.852774] rewind_stack_and_make_dead+0x17/0x20 # [ 24.858316] RIP: 0033:0x7fbb0376c473 # [ 24.862596] 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 # [ 24.883866] RSP: 002b:00007ffede288388 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 24.892613] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fbb0376c473 # [ 24.900871] RDX: 000000000000000a RSI: 00007fbb03660000 RDI: 0000000000000001 # [ 24.909130] RBP: 00007fbb03660000 R08: 00007fbb0365f010 R09: 0000000000000000 # [ 24.917388] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 24.925649] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXCEPTION: saw 'call trace:': ok ok 5 selftests: lkdtm: EXCEPTION.sh # selftests: lkdtm: LOOP.sh # Skipping LOOP: Hangs the system ok 6 selftests: lkdtm: LOOP.sh # SKIP # selftests: lkdtm: EXHAUST_STACK.sh # Skipping EXHAUST_STACK: Corrupts memory on failure ok 7 selftests: lkdtm: EXHAUST_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK.sh # Skipping CORRUPT_STACK: Crashes entire system on success ok 8 selftests: lkdtm: CORRUPT_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK_STRONG.sh # Skipping CORRUPT_STACK_STRONG: Crashes entire system on success ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP # selftests: lkdtm: CORRUPT_LIST_ADD.sh # [ 25.127255] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 25.139333] lkdtm: attempting good list addition # [ 25.144791] lkdtm: attempting corrupted list addition # [ 25.156931] 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_D<6>[ 28.012241] lkdtm: Performing direct entry EXEC_DATA EL.sh # [ 25.230151] lkdtm: Performing direct entry CORRUPT_L<6>[ 28.019495] lkdtm: attempting ok execution at ffffffff9977b980 IST_DEL # [ 25.237884] lkdtm: attempting good list removal #<6>[ 28.032514] lkdtm: attempting bad execution at ffffffff9c831d00 [ 25.249443] lkdtm: attempting corrupted list removal # [ <2>[ 28.045635] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 28.060494] BUG: unable to handle page fault for address: ffffffff9c831d00 <1>[ 28.068455] #PF: supervisor instruction fetch in kernel mode <1>[ 28.075064] #PF: error_code(0x0011) - permissions violation <6>[ 28.081575] PGD 33c29067 P4D 33c29067 PUD 33c2a063 PMD 80000000354000e3 25.255284] lkdtm: list_del() corruption not detected! # CORRUPT<4>[ 28.089353] Oops: 0011 [#5] SMP PTI <4>[ 28.099749] CPU: 1 PID: 1575 Comm: cat Tainted: G D W 5.10.199-cip39 #1 <4>[ 28.108688] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 28.115786] RIP: 0010:data_area+0x0/0x40 _LIST_DEL: missing 'list_del corruption': [FAIL] not ok 11 self<4>[ 28.120455] Code: ff ff 00 45 9a c4 f0 98 ff ff 00 44 9a c4 f0 98 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>[ 28.147939] RSP: 0018:ffffa5c40214fe48 EFLAGS: 00010246 <4>[ 28.154066] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 28.162337] RDX: 0000000000000000 RSI: ffff98f13ac9bf50 RDI: ffff98f13ac9bf50 <4>[ 28.170595] RBP: ffffffff9c831d00 R08: 0000000000000000 R09: 0000000000000000 <4>[ 28.178855] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 28.187106] R13: ffffa5c40214ff10 R14: ffffa5c40214ff10 R15: ffff98f0c6e54000 <4>[ 28.195381] FS: 00007f86c5ffc580(0000) GS:ffff98f13ac80000(0000) knlGS:0000000000000000 <4>[ 28.204709] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 28.211416] CR2: ffffffff9c831d00 CR3: 0000000104954001 CR4: 00000000003706e0 <4>[ 28.219675] Call Trace: <4>[ 28.222696] ? __die_body.cold+0x1a/0x1f tests: lkdtm: CORRUPT_LIST_DEL.sh # exit=1 # selftests: lkdtm: <4>[ 28.227384] ? no_context+0x177/0x380 <4>[ 28.237975] ? exc_page_fault+0xd7/0x170 STACK_GUARD_PAGE_LEADING.sh # Segmentation fault # [ 25.3311<4>[ 28.242645] ? asm_exc_page_fault+0x1e/0x30 08] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [<4>[ 28.253819] ? execute_location+0x45/0x56 <4>[ 28.264798] ? direct_entry.cold+0x2c/0x38 <4>[ 28.269660] ? full_proxy_write+0x53/0x80 25.343240] lkdtm: attempting bad read from page below current<4>[ 28.274429] ? vfs_write+0xe7/0x3b0 <4>[ 28.284820] ? ksys_write+0x68/0xf0 <4>[ 28.289004] ? do_syscall_64+0x30/0x40 <4>[ 28.293478] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 stack # [ 25.356859] BUG: stack guard page was hit at 000000<4>[ 28.299594] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 28.358544] CR2: ffffffff9c831d00 <4>[ 28.362536] ---[ end trace 2116846283a5149b ]--- <4>[ 28.367982] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 28.372651] Code: 89 ff e8 1e dc 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 00 67 0b 03 <4>[ 28.393913] RSP: 0018:ffffa5c40133fe60 EFLAGS: 00010282 <4>[ 28.400028] RAX: ffffffff9977b5b0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 28.408288] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9a8f7db0 <4>[ 28.416546] RBP: ffffffff9ade7fb8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 28.424805] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 28.433065] R13: ffffa5c40133ff10 R14: ffffa5c40133ff10 R15: ffff98f0c6d8f000 <4>[ 28.441335] FS: 00007f86c5ffc580(0000) GS:ffff98f13ac80000(0000) knlGS:0000000000000000 <4>[ 28.450653] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 28.457373] CR2: ffffffff9c831d00 CR3: 0000000104954001 CR4: 00000000003706e0 004fabc69d (stack is 00000000d7957562..000000003aba6bf9) # [ <3>[ 28.465642] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 28.482055] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1575, name: cat <4>[ 28.490800] INFO: lockdep is turned off. <4>[ 28.495465] irq event stamp: 0 <4>[ 28.499160] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 28.506450] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 28.515875] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 28.525301] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 28.532590] CPU: 1 PID: 1575 Comm: cat Tainted: G D W 5.10.199-cip39 #1 <4>[ 28.541530] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 28.548623] Call Trace: <4>[ 28.551644] dump_stack+0x77/0x9b 25.374215] kernel stack overflow (page fault): 0000 [#3] SMP PTI<4>[ 28.555635] ___might_sleep.cold+0xa6/0xb6 <4>[ 28.566709] exit_signals+0x1c/0x300 # [ 25.381311] CPU: 0 PID: 981 Comm: cat Tainted: G D W<4>[ 28.570990] do_exit+0xc2/0xab0 <4>[ 28.580994] ? ksys_write+0x68/0xf0 <4>[ 28.585169] make_task_dead+0x2f/0x30 <4>[ 28.589546] rewind_stack_and_make_dead+0x17/0x20 <4>[ 28.595087] RIP: 0033:0x7f86c5f12473 <4>[ 28.599381] 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>[ 28.620651] RSP: 002b:00007fff936217d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 28.629388] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f86c5f12473 <4>[ 28.637647] RDX: 000000000000000a RSI: 00007f86c5e06000 RDI: 0000000000000001 <4>[ 28.645905] RBP: 00007f86c5e06000 R08: 00007f86c5e05010 R09: 0000000000000000 <4>[ 28.654164] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 28.662423] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 5.10.199-cip39 #1 # [ 25.390153] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 25.397251] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 25.404060] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 50 25 d8 9a 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 ee de fb ff 48 c7 c7 90 25 d8 9a <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 d4 de fb ff 0f 1f 44 # [ 25.425324] RSP: 0018:ffffa5c401867e50 EFLAGS: 00010246 # [ 25.431447] RAX: 0000000000000038 RBX: ffffa5c401864000 RCX: 0000000000000000 # [ 25.439707] RDX: 0000000000000000 RSI: ffff98f13ac1bf50 RDI: ffffffff9ad82590 # [ 25.447966] RBP: ffffffff9ad81cba R08: 0000000000000000 R09: 0000000000000000 # [ 25.456225] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 25.464484] R13: ffffa5c401867f10 R14: ffffa5c401867f10 R15: ffff98f0c48f4000 # [ 25.472743] FS: 00007<6>[ 28.752906] lkdtm: Performing direct entry EXEC_STACK <6>[ 28.763632] lkdtm: attempting ok execution at ffffffff9977b980 <6>[ 28.770471] lkdtm: attempting bad execution at ffffa5c4021f7e18 <2>[ 28.777411] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) fd88e530580(0000) GS:ffff98f13ac00000(0000) knlGS:00000000000000<1>[ 28.786068] BUG: unable to handle page fault for address: ffffa5c4021f7e18 <1>[ 28.800252] #PF: supervisor instruction fetch in kernel mode <1>[ 28.806861] #PF: error_code(0x0011) - permissions violation <6>[ 28.813376] PGD 100000067 P4D 100000067 PUD 100244067 PMD 102cde067 PTE 8000000104847063 <4>[ 28.822709] Oops: 0011 [#6] SMP PTI <4>[ 28.826882] CPU: 2 PID: 1612 Comm: cat Tainted: G D W 5.10.199-cip39 #1 <4>[ 28.835811] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 28.842906] RIP: 0010:0xffffa5c4021f7e18 <4>[ 28.847565] Code: 00 00 18 7e 1f 02 c4 a5 ff ff 43 e6 e5 99 ff ff ff ff 20 00 00 00 00 00 00 00 16 1e d8 9a ff ff ff ff 72 e7 e5 99 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>[ 28.868837] RSP: 0018:ffffa5c4021f7df8 EFLAGS: 00010246 <4>[ 28.874960] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 28.883220] RDX: 0000000000000000 RSI: ffff98f13ad1bf50 RDI: ffff98f13ad1bf50 <4>[ 28.891479] RBP: ffffa5c4021f7e18 R08: 0000000000000000 R09: 0000000000000000 <4>[ 28.899738] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b <4>[ 28.907997] R13: ffffa5c4021f7f10 R14: ffffa5c4021f7f10 R15: ffff98f0c2b51000 <4>[ 28.916258] FS: 00007fd6b9d27580(0000) GS:ffff98f13ad00000(0000) knlGS:0000000000000000 <4>[ 28.925584] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 28.932291] CR2: ffffa5c4021f7e18 CR3: 0000000104898004 CR4: 00000000003706e0 <4>[ 28.940551] Call Trace: <4>[ 28.943572] ? __die_body.cold+0x1a/0x1f <4>[ 28.948240] ? no_context+0x177/0x380 <4>[ 28.952619] ? exc_page_fault+0xd7/0x170 <4>[ 28.957287] ? asm_exc_page_fault+0x1e/0x30 <4>[ 28.962242] ? execute_location+0x45/0x56 <4>[ 28.967006] ? lkdtm_EXEC_STACK+0x26/0x44 <4>[ 28.971773] ? direct_entry.cold+0x2c/0x38 <4>[ 28.976635] ? full_proxy_write+0x53/0x80 <4>[ 28.981393] ? vfs_write+0xe7/0x3b0 <4>[ 28.985575] ? ksys_write+0x68/0xf0 <4>[ 28.989749] ? do_syscall_64+0x30/0x40 <4>[ 28.994221] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 29.000348] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table 00 # [ 25.482070] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080<4>[ 29.053146] CR2: ffffa5c4021f7e18 <4>[ 29.063345] ---[ end trace 2116846283a5149c ]--- <4>[ 29.068783] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 29.073451] Code: 89 ff e8 1e dc 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 00 67 0b 03 <4>[ 29.094715] RSP: 0018:ffffa5c40133fe60 EFLAGS: 00010282 <4>[ 29.100839] RAX: ffffffff9977b5b0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 29.109098] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9a8f7db0 <4>[ 29.117360] RBP: ffffffff9ade7fb8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 29.125620] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 29.133880] R13: ffffa5c40133ff10 R14: ffffa5c40133ff10 R15: ffff98f0c6d8f000 <4>[ 29.142141] FS: 00007fd6b9d27580(0000) GS:ffff98f13ad00000(0000) knlGS:0000000000000000 <4>[ 29.151468] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 29.158174] CR2: ffffa5c4021f7e18 CR3: 0000000104898004 CR4: 00000000003706e0 050033 # [ 25.488777] CR2: ffffa5c401863fff CR3: 00000001029b0002 CR4: 00000000003706f0 # [ 25.497037] Call Trace: # [ 25.500054] <#DF> # [ 25.502588] ? __die_body.cold+0x1a/0x1f # [ 25.507263] ? die+0x2b/0x50 # [ 25.510772] ? handle_stack_overflow+0x3e/0x4d # [ 25.516025] ? no_context+0x24d/0x380 # [ 25.520399] # [ 25.523026] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_<6>[ 29.247047] lkdtm: Performing direct entry EXEC_KMALLOC <6>[ 29.253401] lkdtm: attempting ok execution at ffffffff9977b980 <6>[ 29.260240] lkdtm: attempting bad execution at ffff98f0c382fc80 <2>[ 29.267147] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 29.275826] BUG: unable to handle page fault for address: ffff98f0c382fc80 <1>[ 29.283786] #PF: supervisor instruction fetch in kernel mode <1>[ 29.290396] #PF: error_code(0x0011) - permissions violation <6>[ 29.296908] PGD 35601067 P4D 35601067 PUD 100874063 PMD 106656063 PTE 800000010382f063 <4>[ 29.306045] Oops: 0011 [#7] SMP PTI <4>[ 29.310227] CPU: 3 PID: 1649 Comm: cat Tainted: G D W 5.10.199-cip39 #1 <4>[ 29.319157] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 29.326252] RIP: 0010:0xffff98f0c382fc80 <4>[ 29.330919] Code: ff ff 00 10 00 00 00 00 00 00 00 f3 82 c3 f0 98 ff ff 00 10 00 00 00 00 00 00 00 00 00 00 00 00 00 00 eb f2 cf 98 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>[ 29.352191] RSP: 0018:ffffa5c402277e38 EFLAGS: 00010246 <4>[ 29.358335] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 29.366594] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffff98f13ad9bf50 <4>[ 29.374853] RBP: ffff98f0c382fc80 R08: 0000000000000000 R09: 0000000000000000 <4>[ 29.383112] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d <4>[ 29.391391] R13: ffffa5c402277f10 R14: ffffa5c402277f10 R15: ffff98f0c2b6c000 <4>[ 29.399652] FS: 00007fc43e379580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000 <4>[ 29.408979] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 29.415684] CR2: ffff98f0c382fc80 CR3: 0000000106e4a001 CR4: 00000000003706e0 <4>[ 29.423942] Call Trace: <4>[ 29.426961] ? __die_body.cold+0x1a/0x1f <4>[ 29.431630] ? no_context+0x177/0x380 <4>[ 29.436009] ? exc_page_fault+0xd7/0x170 <4>[ 29.440677] ? asm_exc_page_fault+0x1e/0x30 <4>[ 29.445641] ? execute_location+0x45/0x56 <4>[ 29.450408] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 <4>[ 29.455387] ? direct_entry.cold+0x2c/0x38 <4>[ 29.460249] ? full_proxy_write+0x53/0x80 <4>[ 29.465005] ? vfs_write+0xe7/0x3b0 <4>[ 29.469186] ? ksys_write+0x68/0xf0 <4>[ 29.473370] ? do_syscall_64+0x30/0x40 <4>[ 29.477843] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 notify chromeos_pstore cros_kbd_led_backlight coreboot_table # <4>[ 29.483968] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 29.542953] CR2: ffff98f0c382fc80 <4>[ 29.546939] ---[ end trace 2116846283a5149d ]--- <4>[ 29.552400] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 29.557066] Code: 89 ff e8 1e dc 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 00 67 0b 03 <4>[ 29.578339] RSP: 0018:ffffa5c40133fe60 EFLAGS: 00010282 <4>[ 29.584463] RAX: ffffffff9977b5b0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 29.592723] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9a8f7db0 <4>[ 29.600982] RBP: ffffffff9ade7fb8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 29.609241] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 29.617501] R13: ffffa5c40133ff10 R14: ffffa5c40133ff10 R15: ffff98f0c6d8f000 <4>[ 29.625759] FS: 00007fc43e379580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000 <4>[ 29.635088] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 29.641792] CR2: ffff98f0c382fc80 CR3: 0000000106e4a001 CR4: 00000000003706e0 <3>[ 29.650054] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 29.660247] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1649, name: cat <4>[ 29.668992] INFO: lockdep is turned off. <4>[ 29.673658] irq event stamp: 0 <4>[ 29.677355] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 29.684637] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 29.694054] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 29.703478] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 29.710767] CPU: 3 PID: 1649 Comm: cat Tainted: G D W 5.10.199-cip39 #1 <4>[ 29.719707] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 29.726802] Call Trace: <4>[ 29.729820] dump_stack+0x77/0x9b <4>[ 29.733810] ___might_sleep.cold+0xa6/0xb6 <4>[ 29.738672] exit_signals+0x1c/0x300 <4>[ 29.742942] do_exit+0xc2/0xab0 <4>[ 29.746735] ? ksys_write+0x68/0xf0 <4>[ 29.750918] make_task_dead+0x2f/0x30 <4>[ 29.755294] rewind_stack_and_make_dead+0x17/0x20 <4>[ 29.760834] RIP: 0033:0x7fc43e28f473 <4>[ 29.765112] 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>[ 29.786388] RSP: 002b:00007ffce2892ec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 29.795135] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007fc43e28f473 <4>[ 29.803394] RDX: 000000000000000d RSI: 00007fc43e183000 RDI: 0000000000000001 <4>[ 29.811654] RBP: 00007fc43e183000 R08: 00007fc43e182010 R09: 0000000000000000 <4>[ 29.819913] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 29.828173] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 25.575792] ---[ end trace 2116846283a51498 ]--- # [ 25.581241] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 25.585909] Code: 89 ff e8 1e dc 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 00 67 0b 03 # [ 25.607181] RSP: 0018:ffffa5c40133fe60 EFLAGS: 00010282 # [ 25.613296] RAX: ffffffff9977b5b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 25.621554] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9a8f7db0 # [ 25.629814] RBP: ffffffff9ade7fb8 R08: 0000000000000001 R09: 0000000000000001 # [ 25.638073] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 25.646333] R13: ffffa5c40133ff10 R14: ffffa5c40133ff10 R15: ffff98f0c6d8f000 # [ 25.654592] FS: 00007fd88e530580(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000 #<6>[ 29.920482] lkdtm: Performing direct entry EXEC_VMALLOC [ 25.663920] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003<6>[ 29.929629] lkdtm: attempting ok execution at ffffffff9977b980 3 # [ 25.670626] CR2: ffffa5c401863fff CR3: 00000001029b0002 <6>[ 29.942647] lkdtm: attempting bad execution at ffffa5c400375000 CR4: 00000000003706f0 # STACK_GUARD_PAGE_LEADING: saw 'call tra<2>[ 29.955765] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 29.970629] BUG: unable to handle page fault for address: ffffa5c400375000 <1>[ 29.978599] #PF: supervisor instruction fetch in kernel mode <1>[ 29.985207] #PF: error_code(0x0011) - permissions violation <6>[ 29.991721] PGD 100000067 P4D 100000067 PUD 100244067 PMD 100a10067 PTE 80000001065e9063 ce:': ok ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh #<4>[ 30.001056] Oops: 0011 [#8] SMP PTI <4>[ 30.011450] CPU: 1 PID: 1686 Comm: cat Tainted: G D W 5.10.199-cip39 #1 <4>[ 30.020390] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 30.027486] RIP: 0010:0xffffa5c400375000 <4>[ 30.032154] Code: Unable to access opcode bytes at RIP 0xffffa5c400374fd6. <4>[ 30.040115] RSP: 0018:ffffa5c402307e38 EFLAGS: 00010246 <4>[ 30.046231] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 30.054482] RDX: 0000000000000000 RSI: ffff98f13ac9bf50 RDI: ffff98f13ac9bf50 <4>[ 30.062741] RBP: ffffa5c400375000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 30.071000] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d <4>[ 30.079259] R13: ffffa5c402307f10 R14: ffffa5c402307f10 R15: ffff98f0c65e9000 <4>[ 30.087519] FS: 00007fa196809580(0000) GS:ffff98f13ac80000(0000) knlGS:0000000000000000 <4>[ 30.096848] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 30.103546] CR2: ffffa5c400374fd6 CR3: 0000000102bd4001 CR4: 00000000003706e0 <4>[ 30.111806] Call Trace: <4>[ 30.114827] ? __die_body.cold+0x1a/0x1f selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # Segmentation <4>[ 30.119495] ? no_context+0x177/0x380 <4>[ 30.130086] ? exc_page_fault+0xd7/0x170 fault # [ 25.750688] lkdtm: Performing direct entry STACK_GUA<4>[ 30.134754] ? asm_exc_page_fault+0x1e/0x30 RD_PAGE_TRAILING # [ 25.760872] lkdtm: attempting bad read fr<4>[ 30.145929] ? execute_location+0x45/0x56 <4>[ 30.156909] ? lkdtm_EXEC_VMALLOC+0x20/0x30 <4>[ 30.161869] ? direct_entry.cold+0x2c/0x38 <4>[ 30.166734] ? full_proxy_write+0x53/0x80 om page above current stack # [ 25.768297] BUG: stack guard p<4>[ 30.171500] ? vfs_write+0xe7/0x3b0 <4>[ 30.181893] ? ksys_write+0x68/0xf0 <4>[ 30.186069] ? do_syscall_64+0x30/0x40 <4>[ 30.190542] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 age was hit at 000000000920cd9e (stack is 00000000651d215b..0000<4>[ 30.196669] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 30.255620] CR2: ffffa5c400375000 <4>[ 30.259609] ---[ end trace 2116846283a5149e ]--- <4>[ 30.265054] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 30.269721] Code: 89 ff e8 1e dc 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 00 67 0b 03 <4>[ 30.290995] RSP: 0018:ffffa5c40133fe60 EFLAGS: 00010282 <4>[ 30.297110] RAX: ffffffff9977b5b0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 30.305382] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9a8f7db0 <4>[ 30.313643] RBP: ffffffff9ade7fb8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 30.321902] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 30.330163] R13: ffffa5c40133ff10 R14: ffffa5c40133ff10 R15: ffff98f0c6d8f000 <4>[ 30.338422] FS: 00007fa196809580(0000) GS:ffff98f13ac80000(0000) knlGS:0000000000000000 <4>[ 30.347751] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 30.354456] CR2: ffffa5c400374fd6 CR3: 0000000102bd4001 CR4: 00000000003706e0 0000abda5cf0) # [ 25.779500] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 25.786595] CPU: 3 PID: 1015 Comm: cat Tainted: G D W 5.10.199-cip39 #1 # [ 25.795533] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 25.802629] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 25.809530] Code: de fb ff 0f 1f 44 00 00 53 48 c7 c7 c8 25 d8 9a 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 b4 de fb ff 48 c7 c7 08 26 d8 9a <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 97 de fb ff # [ 25.830798] RSP: 0018:ffffa5c4018d7e50 EFLAGS: 00010246 # [ 25.836928] RAX: 0000000000000038 RBX: ffffa5c4018d4000 RCX: 0000000000000000 # [ 25.845188] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9ad82608 # [ 25.853448] RBP: ffffffff9ad81cd3 R08: 0000000000000000 R09: 0000000000000000 # [ 25.861709] R10: 00000000ffffe000 R11: <6>[ 30.443506] lkdtm: Performing direct entry EXEC_RODATA <6>[ 30.455765] lkdtm: attempting ok execution at ffffffff9977b980 <6>[ 30.462582] lkdtm: attempting bad execution at ffffffff9a8f8240 3fffffffffffffff R12: 000000000000001a # [ 25.869968] R13: ff<2>[ 30.469516] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 30.484370] BUG: unable to handle page fault for address: ffffffff9a8f8240 <1>[ 30.492341] #PF: supervisor instruction fetch in kernel mode <1>[ 30.498950] #PF: error_code(0x0011) - permissions violation <6>[ 30.505461] PGD 33c29067 P4D 33c29067 PUD 33c2a063 PMD 80000000334000e1 <4>[ 30.513230] Oops: 0011 [#9] SMP PTI <4>[ 30.517412] CPU: 3 PID: 1723 Comm: cat Tainted: G D W 5.10.199-cip39 #1 <4>[ 30.526351] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 30.533450] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 <4>[ 30.539477] Code: ff ff e2 fb e5 99 ff ff ff ff 62 20 d8 9a ff ff ff ff 28 e3 e5 99 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>[ 30.560742] RSP: 0018:ffffa5c40238fe48 EFLAGS: 00010246 <4>[ 30.566866] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 <4>[ 30.575125] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffff98f13ad9bf50 <4>[ 30.583388] RBP: ffffffff9a8f8240 R08: 0000000000000000 R09: 0000000000000000 <4>[ 30.591648] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c <4>[ 30.599907] R13: ffffa5c40238ff10 R14: ffffa5c40238ff10 R15: ffff98f0c2b9e000 <4>[ 30.608166] FS: 00007f2fc7a62580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000 <4>[ 30.617494] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 30.624199] CR2: ffffffff9a8f8240 CR3: 0000000102d10005 CR4: 00000000003706e0 <4>[ 30.632459] Call Trace: <4>[ 30.635479] ? __die_body.cold+0x1a/0x1f <4>[ 30.640148] ? no_context+0x177/0x380 <4>[ 30.644528] ? exc_page_fault+0xd7/0x170 <4>[ 30.649196] ? asm_exc_page_fault+0x1e/0x30 <4>[ 30.654151] ? execute_location+0x45/0x56 <4>[ 30.658914] ? direct_entry.cold+0x2c/0x38 <4>[ 30.663777] ? full_proxy_write+0x53/0x80 <4>[ 30.668535] ? vfs_write+0xe7/0x3b0 <4>[ 30.672716] ? ksys_write+0x68/0xf0 <4>[ 30.676898] ? do_syscall_64+0x30/0x40 <4>[ 30.681385] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 ffa5c4018d7f10 R14: ffffa5c4018d7f10 R15: ffff98f0c6c1a000 # [ <4>[ 30.687516] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 30.746505] CR2: ffffffff9a8f8240 <4>[ 30.750484] ---[ end trace 2116846283a5149f ]--- <4>[ 30.755930] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 30.760597] Code: 89 ff e8 1e dc 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 00 67 0b 03 <4>[ 30.781871] RSP: 0018:ffffa5c40133fe60 EFLAGS: 00010282 <4>[ 30.787995] RAX: ffffffff9977b5b0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 30.796254] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9a8f7db0 <4>[ 30.804514] RBP: ffffffff9ade7fb8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 30.812774] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 30.821032] R13: ffffa5c40133ff10 R14: ffffa5c40133ff10 R15: ffff98f0c6d8f000 <4>[ 30.829294] FS: 00007f2fc7a62580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000 <4>[ 30.838622] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 30.845329] CR2: ffffffff9a8f8240 CR3: 0000000102d10005 CR4: 00000000003706e0 <3>[ 30.853590] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 30.863784] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1723, name: cat <4>[ 30.872530] INFO: lockdep is turned off. <4>[ 30.877197] irq event stamp: 0 <4>[ 30.880893] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 30.888182] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 30.897608] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 30.907035] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 30.914336] CPU: 3 PID: 1723 Comm: cat Tainted: G D W 5.10.199-cip39 #1 <4>[ 30.923276] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 30.930390] Call Trace: <4>[ 30.933408] dump_stack+0x77/0x9b <4>[ 30.937397] ___might_sleep.cold+0xa6/0xb6 <4>[ 30.942261] exit_signals+0x1c/0x300 <4>[ 30.946542] do_exit+0xc2/0xab0 <4>[ 30.950338] ? ksys_write+0x68/0xf0 <4>[ 30.954521] make_task_dead+0x2f/0x30 <4>[ 30.958897] rewind_stack_and_make_dead+0x17/0x20 <4>[ 30.964438] RIP: 0033:0x7f2fc7978473 <4>[ 30.968717] 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>[ 30.989989] RSP: 002b:00007ffc441e0858 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 30.998735] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f2fc7978473 <4>[ 31.006994] RDX: 000000000000000c RSI: 00007f2fc786c000 RDI: 0000000000000001 <4>[ 31.015253] RBP: 00007f2fc786c000 R08: 00007f2fc786b010 R09: 0000000000000000 <4>[ 31.023514] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 31.031773] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 25.878225] FS: 00007f2050995580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000 # [ 25.887552] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 25.894257] CR2: ffffa5c4018d8000 CR3: 0000000102b04001 CR4: 00000000003706e0 # [ 25.902516] Call Trace: # [ 25.905533] <#DF> # [ 25.908065] ? __die_body.cold+0x1a/0x1f # [ 25.912734] ? die+0x2b/0x50 # [ 25.916239] ? handle_stack_overflow+0x3e/0x4d # [ 25.921489] ? no_context+0x24d/0x380 # [ 25.925863] # [ 25.928489] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backl<6>[ 31.135150] lkdtm: Performing direct entry EXEC_USERSPACE ight coreboot_table # [ 25.987477] ---[ end trace 2116846283a<6>[ 31.145874] lkdtm: attempting ok execution at ffffffff9977b980 51499 ]--- # [ 25.992923] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ <6>[ 31.158906] lkdtm: attempting bad execution at 00007f344bc97000 25.997589] Code: 89 ff e8 1e dc 79 ff 48 c7 c0 ea ff ff ff eb d<2>[ 31.172027] unable to execute userspace code (SMEP?) (uid: 0) <1>[ 31.184903] BUG: unable to handle page fault for address: 00007f344bc97000 <1>[ 31.192874] #PF: supervisor instruction fetch in kernel mode <1>[ 31.199484] #PF: error_code(0x0011) - permissions violation <6>[ 31.205996] PGD 8000000106e42067 P4D 8000000106e42067 PUD 102bcc067 PMD 102d44067 PTE 10ae03067 <4>[ 31.216012] Oops: 0011 [#10] SMP PTI <4>[ 31.220293] CPU: 0 PID: 1760 Comm: cat Tainted: G D W 5.10.199-cip39 #1 <4>[ 31.229224] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 31.236340] RIP: 0010:0x7f344bc97000 <4>[ 31.240617] Code: Unable to access opcode bytes at RIP 0x7f344bc96fd6. <4>[ 31.248198] RSP: 0018:ffffa5c40242fe50 EFLAGS: 00010246 <4>[ 31.254336] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 <4>[ 31.262597] RDX: 0000000000000000 RSI: ffff98f13ac1bf50 RDI: ffff98f13ac1bf50 <4>[ 31.270858] RBP: 00007f344bc97000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 31.279119] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f <4>[ 31.287382] R13: ffffa5c40242ff10 R14: ffffa5c40242ff10 R15: ffff98f0c2ebb000 <4>[ 31.295643] FS: 00007f344bc68580(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000 <4>[ 31.304971] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 31.311677] CR2: 00007f344bc97000 CR3: 0000000104996003 CR4: 00000000003706f0 <4>[ 31.319936] Call Trace: <4>[ 31.322956] ? __die_body.cold+0x1a/0x1f <4>[ 31.327631] ? no_context+0x177/0x380 <4>[ 31.332010] ? exc_page_fault+0x53/0x170 <4>[ 31.336683] ? asm_exc_page_fault+0x1e/0x30 <4>[ 31.341640] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae <4>[ 31.347286] ? direct_entry.cold+0x2c/0x38 <4>[ 31.352158] ? full_proxy_write+0x53/0x80 <4>[ 31.356930] ? vfs_write+0xe7/0x3b0 <4>[ 31.361111] ? ksys_write+0x68/0xf0 <4>[ 31.365294] ? do_syscall_64+0x30/0x40 <4>[ 31.369760] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 31.375887] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 31.428656] CR2: 00007f344bc97000 <4>[ 31.432645] ---[ end trace 2116846283a514a0 ]--- <4>[ 31.438082] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 31.442743] Code: 89 ff e8 1e dc 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 00 67 0b 03 <4>[ 31.464008] RSP: 0018:ffffa5c40133fe60 EFLAGS: 00010282 <4>[ 31.470133] RAX: ffffffff9977b5b0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 31.478392] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9a8f7db0 <4>[ 31.486650] RBP: ffffffff9ade7fb8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 31.494910] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 31.503169] R13: ffffa5c40133ff10 R14: ffffa5c40133ff10 R15: ffff98f0c6d8f000 <4>[ 31.511429] FS: 00007f344bc68580(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000 <4>[ 31.520757] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 31.527462] CR2: 00007f344bc97000 CR3: 0000000104996003 CR4: 00000000003706f0 e 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 00 67 0b 03 # [ 26.018859] RSP: 0018:ffffa5c40133fe60 EFLAGS: 00010282 # [ 26.024983] RAX: ffffffff9977b5b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 26.033241] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9a8f7db0 # [ 26.041499] RBP: ffffffff9ade7fb8 R08: 0000000000000001 R09: 0000000000000001 # [ 26.049757] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 26.058015] R13: ffffa5c40133ff10 R14: ffffa5c40133ff10 R15: ffff98f0c6d8f000 # [ 26.066273] FS: 00007f2050995580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000 # [ 26.075600] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 26.082306] CR2: ffffa5c4018d8000 CR3: 0000000102b04001 CR4: 00000000003706e0 # [ 26.090588] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 26.100788] in_atomic(): 0, irqs_disa<6>[ 31.630719] lkdtm: Performing direct entry EXEC_NULL bled(): 1, non_block: 0, pid: 1015, name: cat # [ 26.109531] <6>[ 31.641080] lkdtm: attempting ok execution at ffffffff9977b980 INFO: lockdep is turned off. # [ 26.114198] irq event stamp: <6>[ 31.654099] lkdtm: attempting bad execution at 0000000000000000 0 # [ 26.117893] hardirqs last enabled at (0): [<00000000000<1>[ 31.667223] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 31.681489] #PF: supervisor instruction fetch in kernel mode <1>[ 31.688089] #PF: error_code(0x0010) - not-present page <6>[ 31.694114] PGD 0 P4D 0 <4>[ 31.697229] Oops: 0010 [#11] SMP PTI <4>[ 31.701509] CPU: 0 PID: 1797 Comm: cat Tainted: G D W 5.10.199-cip39 #1 <4>[ 31.710439] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 31.717536] RIP: 0010:0x0 <4>[ 31.720748] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. <4>[ 31.728716] RSP: 0018:ffffa5c4024dfe48 EFLAGS: 00010246 <4>[ 31.734841] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 <4>[ 31.743100] RDX: 0000000000000000 RSI: ffff98f13ac1bf50 RDI: ffff98f13ac1bf50 <4>[ 31.751379] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 31.759639] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 31.767898] R13: ffffa5c4024dff10 R14: ffffa5c4024dff10 R15: ffff98f0c2d23000 <4>[ 31.776157] FS: 00007f72e0953580(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000 <4>[ 31.785485] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 31.792191] CR2: ffffffffffffffd6 CR3: 00000001053b2004 CR4: 00000000003706f0 <4>[ 31.800451] Call Trace: <4>[ 31.803471] ? __die_body.cold+0x1a/0x1f <4>[ 31.808145] ? no_context+0x177/0x380 <4>[ 31.812530] ? exc_page_fault+0x53/0x170 <4>[ 31.817202] ? asm_exc_page_fault+0x1e/0x30 <4>[ 31.822166] execute_location+0x45/0x56 <4>[ 31.826743] direct_entry.cold+0x2c/0x38 <4>[ 31.831412] full_proxy_write+0x53/0x80 <4>[ 31.835990] vfs_write+0xe7/0x3b0 <4>[ 31.839979] ksys_write+0x68/0xf0 <4>[ 31.843969] do_syscall_64+0x30/0x40 <4>[ 31.848240] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 31.854160] RIP: 0033:0x7f72e0869473 <4>[ 31.858440] 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>[ 31.879705] RSP: 002b:00007ffe31b8c028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 31.888450] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f72e0869473 <4>[ 31.896711] RDX: 000000000000000a RSI: 00007f72e075d000 RDI: 0000000000000001 <4>[ 31.904971] RBP: 00007f72e075d000 R08: 00007f72e075c010 R09: 0000000000000000 <4>[ 31.913222] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 31.921481] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 31.929745] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 31.982514] CR2: 0000000000000000 <4>[ 31.986493] ---[ end trace 2116846283a514a1 ]--- <4>[ 31.991940] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 31.996608] Code: 89 ff e8 1e dc 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 00 67 0b 03 <4>[ 32.017881] RSP: 0018:ffffa5c40133fe60 EFLAGS: 00010282 <4>[ 32.023995] RAX: ffffffff9977b5b0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 32.032254] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9a8f7db0 <4>[ 32.040513] RBP: ffffffff9ade7fb8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 32.048772] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 32.057032] R13: ffffa5c40133ff10 R14: ffffa5c40133ff10 R15: ffff98f0c6d8f000 <4>[ 32.065292] FS: 00007f72e0953580(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000 <4>[ 32.074618] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 32.081323] CR2: ffffffffffffffd6 CR3: 00000001053b2004 CR4: 00000000003706f0 <3>[ 32.089582] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 32.099784] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1797, name: cat <4>[ 32.108530] INFO: lockdep is turned off. <4>[ 32.113196] irq event stamp: 0 <4>[ 32.116893] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 32.124174] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 32.133602] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 32.143017] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 32.150307] CPU: 0 PID: 1797 Comm: cat Tainted: G D W 5.10.199-cip39 #1 <4>[ 32.159244] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 32.166338] Call Trace: <4>[ 32.169357] dump_stack+0x77/0x9b <4>[ 32.173353] ___might_sleep.cold+0xa6/0xb6 <4>[ 32.178222] exit_signals+0x1c/0x300 <4>[ 32.182507] do_exit+0xc2/0xab0 <4>[ 32.186292] ? ksys_write+0x68/0xf0 <4>[ 32.190468] make_task_dead+0x2f/0x30 <4>[ 32.194847] rewind_stack_and_make_dead+0x17/0x20 <4>[ 32.200389] RIP: 0033:0x7f72e0869473 <4>[ 32.204658] 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>[ 32.225929] RSP: 002b:00007ffe31b8c028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 32.234674] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f72e0869473 <4>[ 32.242934] RDX: 000000000000000a RSI: 00007f72e075d000 RDI: 0000000000000001 <4>[ 32.251194] RBP: 00007f72e075d000 R08: 00007f72e075c010 R09: 0000000000000000 <4>[ 32.259452] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 32.267711] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00000>] 0x0 # [ 26.125182] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 26.134608] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 26.144030] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 26.151335] CPU: 3 PID: 1015 Comm: cat Tainted: G D W 5.10.199-cip39 #1 # [ 26.160275] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 26.167388] Call Trace: # [ 26.170397] dump_stack+0x77/0x9b # [ 26.174389] ___might_sleep.cold+0xa6/0xb6 # [ 26.179251] exit_signals+0x1c/0x300 # [ 26.183530] do_exit+0xc2/0xab0 # [ 26.187340] ? ksys_write+0x68/0xf0 # [ 26.191523] make_task_dead+0x2f/0x30 # [ 26.195900] rewind_stack_and_make_dead+0x17/0x20 # [ 26.201440] RIP: 0033:0x7f20508ab473 # [ 26.205720] 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 # [ 26.226982] RSP: 002b:00007ffd36658598<6>[ 32.375635] lkdtm: Performing direct entry ACCESS_USERSPACE <6>[ 32.388190] lkdtm: attempting bad read at 00007f97ad741000 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 26.235727] R<1>[ 32.394629] BUG: unable to handle page fault for address: 00007f97ad741000 <1>[ 32.408797] #PF: supervisor read access in kernel mode <1>[ 32.414824] #PF: error_code(0x0001) - permissions violation <6>[ 32.421336] PGD 8000000106f59067 P4D 8000000106f59067 PUD 102e09067 PMD 102bcc067 PTE 10b8e4067 <4>[ 32.431351] Oops: 0001 [#12] SMP PTI <4>[ 32.435622] CPU: 3 PID: 1833 Comm: cat Tainted: G D W 5.10.199-cip39 #1 <4>[ 32.444561] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 32.451658] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 <4>[ 32.458172] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 80 2d d8 9a e8 28 d8 fb ff 48 c7 c7 a8 2d d8 9a b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 0f d8 fb ff 48 89 ee 48 c7 c7 d0 2d d8 <4>[ 32.479444] RSP: 0018:ffffa5c402557e48 EFLAGS: 00010246 <4>[ 32.485569] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 <4>[ 32.493829] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9ad82da8 <4>[ 32.502088] RBP: 00007f97ad741000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 32.510348] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 <4>[ 32.518609] R13: ffffa5c402557f10 R14: ffffa5c402557f10 R15: ffff98f0c2f3d000 <4>[ 32.526869] FS: 00007f97ad712580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000 <4>[ 32.536197] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 32.542903] CR2: 00007f97ad741000 CR3: 0000000104816005 CR4: 00000000003706e0 <4>[ 32.551161] Call Trace: <4>[ 32.554182] ? __die_body.cold+0x1a/0x1f <4>[ 32.558852] ? no_context+0x177/0x380 <4>[ 32.563230] ? exc_page_fault+0x53/0x170 <4>[ 32.567899] ? asm_exc_page_fault+0x1e/0x30 <4>[ 32.572861] ? lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 <4>[ 32.578695] ? lkdtm_ACCESS_USERSPACE.cold+0x35/0xa3 <4>[ 32.584519] direct_entry.cold+0x2c/0x38 <4>[ 32.589181] full_proxy_write+0x53/0x80 AX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f20508ab473<4>[ 32.593755] vfs_write+0xe7/0x3b0 <4>[ 32.603954] ksys_write+0x68/0xf0 <4>[ 32.607943] do_syscall_64+0x30/0x40 <4>[ 32.612224] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 32.618146] RIP: 0033:0x7f97ad628473 <4>[ 32.622417] 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>[ 32.643682] RSP: 002b:00007ffca33aeed8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 32.652420] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f97ad628473 <4>[ 32.660681] RDX: 0000000000000011 RSI: 00007f97ad51c000 RDI: 0000000000000001 <4>[ 32.668931] RBP: 00007f97ad51c000 R08: 00007f97ad51b010 R09: 0000000000000000 <4>[ 32.677191] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 32.685450] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 26.243987] RDX: 000000000000001a RSI: 00007f205079f000 R<4>[ 32.693712] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 32.752701] CR2: 00007f97ad741000 <4>[ 32.756689] ---[ end trace 2116846283a514a2 ]--- <4>[ 32.762127] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 32.766794] Code: 89 ff e8 1e dc 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 00 67 0b 03 <4>[ 32.788069] RSP: 0018:ffffa5c40133fe60 EFLAGS: 00010282 <4>[ 32.794185] RAX: ffffffff9977b5b0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 32.802444] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9a8f7db0 <4>[ 32.810704] RBP: ffffffff9ade7fb8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 32.818965] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 32.827225] R13: ffffa5c40133ff10 R14: ffffa5c40133ff10 R15: ffff98f0c6d8f000 <4>[ 32.835486] FS: 00007f97ad712580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000 <4>[ 32.844815] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 32.851520] CR2: 00007f97ad741000 CR3: 0000000104816005 CR4: 00000000003706e0 DI: 0000000000000001 # [ 26.252245] RBP: 00007f205079f000 R08: 00007f205079e010 R09: 0000000000000000 # [ 26.260505] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 26.268765] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 26.359733] lkdtm: Performing direct entry UNSET_SMEP # [ 26.370013] lkdtm: trying to clear SMEP normally # [ 26.381676] ------------[ cut here ]------------ # [ 26.393341] pinned CR4 bits changed: 0x100000!? # [ 26.404911] WARNING: CPU: 1 PID: 1052 at arch/x86/kernel/cpu/common.c:397 native_write_cr4+0x45/0x60 # [ 26.421616] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cr<6>[ 32.953057] lkdtm: Performing direct entry ACCESS_NULL <6>[ 32.965294] lkdtm: attempting bad read at 0000000000000000 <1>[ 32.971719] BUG: kernel NULL pointer dereference, address: 0000000000000000 os_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress sn<1>[ 32.979814] #PF: supervisor read access in kernel mode <1>[ 32.992054] #PF: error_code(0x0000) - not-present page <6>[ 32.998072] PGD 0 P4D 0 <4>[ 33.001177] Oops: 0000 [#13] SMP PTI <4>[ 33.005456] CPU: 3 PID: 1869 Comm: cat Tainted: G D W 5.10.199-cip39 #1 <4>[ 33.014395] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 33.021493] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 33.027035] Code: cc d7 fb ff be 00 10 00 00 48 89 ef e8 b3 7b 0a ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 80 2d d8 9a e8 a6 d7 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 a8 2d d8 9a 48 01 <4>[ 33.048301] RSP: 0018:ffffa5c4025ffe58 EFLAGS: 00010246 <4>[ 33.054426] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 <4>[ 33.062685] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffff98f13ad9bf50 <4>[ 33.070945] RBP: ffffffff9ad81e71 R08: 0000000000000000 R09: 0000000000000000 <4>[ 33.079205] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c <4>[ 33.087465] R13: ffffa5c4025fff10 R14: ffffa5c4025fff10 R15: ffff98f0c2acd000 <4>[ 33.095724] FS: 00007f5ad4189580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000 <4>[ 33.105054] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 33.111760] CR2: 0000000000000000 CR3: 0000000102ace001 CR4: 00000000003706e0 <4>[ 33.120021] Call Trace: <4>[ 33.123042] ? __die_body.cold+0x1a/0x1f <4>[ 33.127709] ? no_context+0x177/0x380 <4>[ 33.132080] ? exc_page_fault+0x53/0x170 <4>[ 33.136748] ? asm_exc_page_fault+0x1e/0x30 <4>[ 33.141710] ? lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 33.146571] ? lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 33.151434] direct_entry.cold+0x2c/0x38 <4>[ 33.156096] full_proxy_write+0x53/0x80 <4>[ 33.160667] vfs_write+0xe7/0x3b0 <4>[ 33.164646] ksys_write+0x68/0xf0 <4>[ 33.168635] do_syscall_64+0x30/0x40 <4>[ 33.172913] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 33.178843] RIP: 0033:0x7f5ad409f473 <4>[ 33.183114] 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>[ 33.204391] RSP: 002b:00007ffd2a31bec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 33.213136] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f5ad409f473 <4>[ 33.221401] RDX: 000000000000000c RSI: 00007f5ad3f93000 RDI: 0000000000000001 <4>[ 33.229662] RBP: 00007f5ad3f93000 R08: 00007f5ad3f92010 R09: 0000000000000000 <4>[ 33.237922] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 33.246183] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 d_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pk<4>[ 33.254445] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 33.313437] CR2: 0000000000000000 <4>[ 33.317426] ---[ end trace 2116846283a514a3 ]--- <4>[ 33.322872] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 33.327540] Code: 89 ff e8 1e dc 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 00 67 0b 03 <4>[ 33.348805] RSP: 0018:ffffa5c40133fe60 EFLAGS: 00010282 <4>[ 33.354928] RAX: ffffffff9977b5b0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 33.363187] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9a8f7db0 <4>[ 33.371447] RBP: ffffffff9ade7fb8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 33.379707] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 33.387966] R13: ffffa5c40133ff10 R14: ffffa5c40133ff10 R15: ffff98f0c6d8f000 <4>[ 33.396226] FS: 00007f5ad4189580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000 <4>[ 33.405553] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 33.412259] CR2: 0000000000000000 CR3: 0000000102ace001 CR4: 00000000003706e0 <3>[ 33.420519] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 33.430722] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1869, name: cat <4>[ 33.439466] INFO: lockdep is turned off. <4>[ 33.444133] irq event stamp: 0 <4>[ 33.447828] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 33.455118] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 33.464543] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 33.473969] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 33.481258] CPU: 3 PID: 1869 Comm: cat Tainted: G D W 5.10.199-cip39 #1 <4>[ 33.490197] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 33.497291] Call Trace: <4>[ 33.500309] dump_stack+0x77/0x9b <4>[ 33.504347] ___might_sleep.cold+0xa6/0xb6 <4>[ 33.509212] exit_signals+0x1c/0x300 <4>[ 33.513492] do_exit+0xc2/0xab0 <4>[ 33.517287] ? ksys_write+0x68/0xf0 <4>[ 33.521470] make_task_dead+0x2f/0x30 <4>[ 33.525846] rewind_stack_and_make_dead+0x17/0x20 <4>[ 33.531392] RIP: 0033:0x7f5ad409f473 <4>[ 33.535670] 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>[ 33.556942] RSP: 002b:00007ffd2a31bec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 33.565689] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f5ad409f473 <4>[ 33.573949] RDX: 000000000000000c RSI: 00007f5ad3f93000 RDI: 0000000000000001 <4>[ 33.582210] RBP: 00007f5ad3f93000 R08: 00007f5ad3f92010 R09: 0000000000000000 <4>[ 33.590470] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 33.598728] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 g_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 26.480564] CPU: 1 PID: 1052 Comm: cat Tainted: G D W 5.10.199-cip39 #1 # [ 26.495721] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 26.509035] RIP: 0010:native_write_cr4+0x45/0x60 # [ 26.520697] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 38 5e 66 02 00 75 f2 48 c7 c7 e0 f9 c7 9a c6 05 28 5e 66 02 01 e8 8d 45 15 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ 26.548186] RSP: 0018:ffffa5c401987e48 EFLAGS: 00010286 # [ 26.560533] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 # [ 26.575008] RDX: ffff98f13acac620 RSI: ffff98f13ac9bf50 RDI: ffff98f13ac9bf50 # [ 26.583270] RBP: ffffffff9ad81ced R08: 0000000000000000 R09: 0000000000000000 # [ 26.597767] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 26.612248] R13: ffffa5c401987f10 R14: ffffa5c401<6>[ 33.704391] lkdtm: Performing direct entry WRITE_RO <6>[ 33.712212] lkdtm: attempting bad rodata write at ffffffff9a8f8230 <1>[ 33.719431] BUG: unable to handle page fault for address: ffffffff9a8f8230 987f10 R15: ffff98f0c6f73000 # [ 26.626727] FS: 00007ff291f8<1>[ 33.727410] #PF: supervisor write access in kernel mode <1>[ 33.739745] #PF: error_code(0x0003) - permissions violation <6>[ 33.746259] PGD 33c29067 P4D 33c29067 PUD 33c2a063 PMD 80000000334000e1 <4>[ 33.754038] Oops: 0003 [#14] SMP PTI <4>[ 33.758327] CPU: 3 PID: 1905 Comm: cat Tainted: G D W 5.10.199-cip39 #1 2580(0000) GS:ffff98f13ac80000(0000) knlGS:0000000000000000 # [<4>[ 33.767269] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 33.780581] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a <4>[ 33.785833] Code: 00 48 c7 c7 60 2c d8 9a 48 c7 c6 30 82 8f 9a e8 50 da fb ff 48 8b 05 bd 9b a9 00 ba 34 12 cd ab 48 c7 c7 90 2c d8 9a 48 31 d0 <48> 89 05 a7 9b a9 00 e9 2e da fb ff 0f 1f 44 00 00 48 8b 05 b6 bc <4>[ 33.807098] RSP: 0018:ffffa5c402687e60 EFLAGS: 00010202 <4>[ 33.813223] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 <4>[ 33.821483] RDX: 00000000abcd1234 RSI: ffff98f13ad9bf50 RDI: ffffffff9ad82c90 <4>[ 33.829742] RBP: ffffffff9ad81e7d R08: 0000000000000000 R09: 0000000000000000 <4>[ 33.838000] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 <4>[ 33.846261] R13: ffffa5c402687f10 R14: ffffa5c402687f10 R15: ffff98f0c5806000 <4>[ 33.854521] FS: 00007f5f1962f580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000 <4>[ 33.863840] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 33.870546] CR2: ffffffff9a8f8230 CR3: 0000000102aca005 CR4: 00000000003706e0 <4>[ 33.878807] Call Trace: <4>[ 33.881826] ? __die_body.cold+0x1a/0x1f <4>[ 33.886497] ? no_context+0x177/0x380 <4>[ 33.890876] ? exc_page_fault+0xd7/0x170 <4>[ 33.895544] ? asm_exc_page_fault+0x1e/0x30 <4>[ 33.900498] ? lkdtm_WRITE_RO+0x2e/0x3a <4>[ 33.905069] direct_entry.cold+0x2c/0x38 <4>[ 33.909737] full_proxy_write+0x53/0x80 <4>[ 33.914309] vfs_write+0xe7/0x3b0 26.642269] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 33.918324] ksys_write+0x68/0xf0 <4>[ 33.928524] do_syscall_64+0x30/0x40 <4>[ 33.932794] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 33.938724] RIP: 0033:0x7f5f19545473 <4>[ 33.943003] 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>[ 33.964277] RSP: 002b:00007fff964aac18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 33.973023] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f5f19545473 <4>[ 33.981283] RDX: 0000000000000009 RSI: 00007f5f19439000 RDI: 0000000000000001 <4>[ 33.989541] RBP: 00007f5f19439000 R08: 00007f5f19438010 R09: 0000000000000000 <4>[ 33.997800] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 34.006060] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 26.648980] CR2: 00007ff291d8c000 CR3: 0000000102b06001 CR<4>[ 34.014340] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 34.073296] CR2: ffffffff9a8f8230 <4>[ 34.077276] ---[ end trace 2116846283a514a4 ]--- <4>[ 34.082713] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 34.087390] Code: 89 ff e8 1e dc 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 00 67 0b 03 <4>[ 34.108665] RSP: 0018:ffffa5c40133fe60 EFLAGS: 00010282 <4>[ 34.114788] RAX: ffffffff9977b5b0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 34.123048] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9a8f7db0 <4>[ 34.131325] RBP: ffffffff9ade7fb8 R08: 0000000000000001 R09: 0000000000000001 4: 00000000003706e0 # [ 26.663452] Call Trace: # [ 26.6664<4>[ 34.139594] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 34.154068] R13: ffffa5c40133ff10 R14: ffffa5c40133ff10 R15: ffff98f0c6d8f000 <4>[ 34.162337] FS: 00007f5f1962f580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000 <4>[ 34.171667] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 34.178386] CR2: ffffffff9a8f8230 CR3: 0000000102aca005 CR4: 00000000003706e0 77] ? __warn+0x80/0x110 # [ 26.676575] ? native_write_cr4+0x45/0x60 # [ 26.687559] ? report_bug+0x9e/0xc0 # [ 26.697984] ? handle_bug+0x41/0x90 # [ 26.708390] ? exc_invalid_op+0x14/0x70 # [ 26.712963] ? asm_exc_invalid_op+0x12/0x20 # [ 26.724135] ? native_write_cr4+0x45/0x60 # [ 26.735115] ? native_write_cr4+0x45/0x60 # [ 26.739885] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 26.751249] direct_entry.cold+0x2c/0x38 # [ 26.755946] full_proxy_write+0x53/0x80 # [ 26.766727] vfs_write+0xe7/0x3b0 # [ 26.776932] ksys_write+0x68/0xf0 # [ 26.780925] do_syscall_64+0x30/0x40 # [ 26.791413] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 26.797372] RIP: 0033:0x7ff291e98473 # [ 26.807862] 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 # [ 26.829137] RSP:<6>[ 34.277242] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT 002b:00007ffc74b9c648 EFLAGS: 00000246 ORIG_RAX: 00000000000000<6>[ 34.286743] lkdtm: attempting bad ro_after_init write at ffffffff9ae0a350 01 # [ 26.844096] RAX: ffffffffffffffda RBX: 000000000000000b<1>[ 34.300841] BUG: unable to handle page fault for address: ffffffff9ae0a350 <1>[ 34.315009] #PF: supervisor write access in kernel mode <1>[ 34.321133] #PF: error_code(0x0003) - permissions violation <6>[ 34.327647] PGD 33c29067 P4D 33c29067 PUD 33c2a063 PMD 1052d4063 PTE 8000000033a0a061 <4>[ 34.336694] Oops: 0003 [#15] SMP PTI <4>[ 34.340965] CPU: 0 PID: 1941 Comm: cat Tainted: G D W 5.10.199-cip39 #1 <4>[ 34.349896] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 34.356992] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a <4>[ 34.363315] Code: 2c d8 9a e9 02 da fb ff 48 c7 c7 e8 2c d8 9a e8 f6 d9 fb ff 48 8b 05 83 bc fa 00 ba 34 12 cd ab 48 c7 c7 90 2c d8 9a 48 31 d0 <48> 89 05 6d bc fa 00 e9 d4 d9 fb ff 0f 1f 44 00 00 41 54 48 c7 c7 <4>[ 34.384588] RSP: 0018:ffffa5c402727e60 EFLAGS: 00010202 <4>[ 34.390713] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 <4>[ 34.398965] RDX: 00000000abcd1234 RSI: ffff98f13ac1bf50 RDI: ffffffff9ad82c90 <4>[ 34.407217] RBP: ffffffff9ad81e86 R08: 0000000000000000 R09: 0000000000000000 <4>[ 34.415476] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 <4>[ 34.423736] R13: ffffa5c402727f10 R14: ffffa5c402727f10 R15: ffff98f0c5819000 <4>[ 34.431996] FS: 00007f7abcd4b580(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000 <4>[ 34.441323] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 34.448028] CR2: ffffffff9ae0a350 CR3: 0000000102b80003 CR4: 00000000003706f0 <4>[ 34.456288] Call Trace: <4>[ 34.459308] ? __die_body.cold+0x1a/0x1f <4>[ 34.463974] ? no_context+0x177/0x380 <4>[ 34.468359] ? exc_page_fault+0xd7/0x170 <4>[ 34.473033] ? asm_exc_page_fault+0x1e/0x30 <4>[ 34.477996] ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a <4>[ 34.483640] direct_entry.cold+0x2c/0x38 <4>[ 34.488311] full_proxy_write+0x53/0x80 <4>[ 34.492887] vfs_write+0xe7/0x3b0 <4>[ 34.496881] ksys_write+0x68/0xf0 <4>[ 34.500870] do_syscall_64+0x30/0x40 <4>[ 34.505150] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 34.511081] RIP: 0033:0x7f7abcc61473 <4>[ 34.515360] 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>[ 34.536623] RSP: 002b:00007ffe6eae5ee8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 34.545369] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f7abcc61473 <4>[ 34.553630] RDX: 0000000000000014 RSI: 00007f7abcb55000 RDI: 0000000000000001 <4>[ 34.561891] RBP: 00007f7abcb55000 R08: 00007f7abcb54010 R09: 0000000000000000 <4>[ 34.570142] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 34.578403] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 34.586666] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 34.639431] CR2: ffffffff9ae0a350 <4>[ 34.643410] ---[ end trace 2116846283a514a5 ]--- <4>[ 34.648856] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 34.653530] Code: 89 ff e8 1e dc 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 00 67 0b 03 <4>[ 34.674804] RSP: 0018:ffffa5c40133fe60 EFLAGS: 00010282 <4>[ 34.680929] RAX: ffffffff9977b5b0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 34.689187] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9a8f7db0 <4>[ 34.697448] RBP: ffffffff9ade7fb8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 34.705708] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 34.713968] R13: ffffa5c40133ff10 R14: ffffa5c40133ff10 R15: ffff98f0c6d8f000 <4>[ 34.722227] FS: 00007f7abcd4b580(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000 <4>[ 34.731556] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 34.738262] CR2: ffffffff9ae0a350 CR3: 0000000102b80003 CR4: 00000000003706f0 <3>[ 34.746522] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 34.756725] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1941, name: cat <4>[ 34.765461] INFO: lockdep is turned off. <4>[ 34.770129] irq event stamp: 0 <4>[ 34.773817] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 34.781099] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 34.790525] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 34.799950] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 34.807239] CPU: 0 PID: 1941 Comm: cat Tainted: G D W 5.10.199-cip39 #1 <4>[ 34.816180] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 34.823274] Call Trace: <4>[ 34.826293] dump_stack+0x77/0x9b <4>[ 34.830289] ___might_sleep.cold+0xa6/0xb6 <4>[ 34.835159] exit_signals+0x1c/0x300 <4>[ 34.839445] do_exit+0xc2/0xab0 <4>[ 34.843240] ? ksys_write+0x68/0xf0 <4>[ 34.847428] make_task_dead+0x2f/0x30 <4>[ 34.851797] rewind_stack_and_make_dead+0x17/0x20 <4>[ 34.857337] RIP: 0033:0x7f7abcc61473 <4>[ 34.861615] 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>[ 34.882886] RSP: 002b:00007ffe6eae5ee8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 34.891633] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f7abcc61473 <4>[ 34.899892] RDX: 0000000000000014 RSI: 00007f7abcb55000 RDI: 0000000000000001 <4>[ 34.908150] RBP: 00007f7abcb55000 R08: 00007f7abcb54010 R09: 0000000000000000 <4>[ 34.916409] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 34.924669] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 RCX: 00007ff291e98473 # [ 26.858574] RDX: 000000000000000b RSI: 00007ff291d8c000 RDI: 0000000000000001 # [ 26.866839] RBP: 00007ff291d8c000 R08: 00007ff291d8b010 R09: 0000000000000000 # [ 26.881327] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 26.889597] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 26.904075] irq event stamp: 0 # [ 26.913985] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 26.921279] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 26.936915] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 26.946346] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 26.959844] ---[ end trace 2116846283a5149a ]--- # [ 26.965292] lkdtm: ok: SMEP did not get cleared # [ 26.976849] lkdtm: trying to clear SMEP with call gadget # [ 26.983074] 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 # [ 27.064089] lkdtm: Performing direct entry DOUBLE_FAULT <6>[ 35.039298] lkdtm: Performing direct entry WRITE_KERN # [ 27.075445] lkdtm: XFAIL: this test is ia32-only # DOUBLE_<6>[ 35.050773] lkdtm: attempting bad 7220333 byte write at ffffffff99e5e5ed FAULT: saw 'XFAIL': [SKIP] ok 15 selftests: lkdtm: DOUBLE_FAULT<1>[ 35.064800] BUG: unable to handle page fault for address: ffffffff99e5e5ed <1>[ 35.078940] #PF: supervisor write access in kernel mode <1>[ 35.085063] #PF: error_code(0x0003) - permissions violation <6>[ 35.091575] PGD 33c29067 P4D 33c29067 PUD 33c2a063 PMD 32a000e1 <4>[ 35.098583] Oops: 0003 [#16] SMP PTI <4>[ 35.102863] CPU: 0 PID: 1977 Comm: cat Tainted: G D W 5.10.199-cip39 #1 <4>[ 35.111802] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 35.118898] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e <4>[ 35.124349] Code: 53 48 c7 c3 ed e5 e5 99 49 89 dc 48 89 da 49 81 ec 80 b9 77 99 4c 89 e6 e8 a9 d9 fb ff 48 89 df 4c 89 e1 48 c7 c6 80 b9 77 99 a4 48 c7 c7 90 2c d8 9a e8 8e d9 fb ff 5b 41 5c e9 b7 fe ff ff <4>[ 35.145619] RSP: 0018:ffffa5c4027b7e50 EFLAGS: 00010246 <4>[ 35.151742] RAX: 000000000000003c RBX: ffffffff99e5e5ed RCX: 00000000006e2c6d <4>[ 35.160003] RDX: 0000000000000000 RSI: ffffffff9977b980 RDI: ffffffff99e5e5ed <4>[ 35.168263] RBP: ffffffff9ad81e9a R08: 0000000000000000 R09: 0000000000000000 <4>[ 35.176523] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000006e2c6d <4>[ 35.184781] R13: ffffa5c4027b7f10 R14: ffffa5c4027b7f10 R15: ffff98f0c2d60000 <4>[ 35.193042] FS: 00007f356f269580(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000 <4>[ 35.202370] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 35.209076] CR2: ffffffff99e5e5ed CR3: 0000000103806005 CR4: 00000000003706f0 <4>[ 35.217336] Call Trace: <4>[ 35.220357] ? __die_body.cold+0x1a/0x1f <4>[ 35.225033] ? no_context+0x177/0x380 <4>[ 35.229418] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 35.235161] ? exc_page_fault+0xd7/0x170 <4>[ 35.239829] ? asm_exc_page_fault+0x1e/0x30 <4>[ 35.244781] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 35.250517] ? lkdtm_SLAB_FREE_PAGE+0x40/0x40 <4>[ 35.255676] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 35.261403] ? lkdtm_WRITE_KERN+0x38/0x4e <4>[ 35.266169] direct_entry.cold+0x2c/0x38 <4>[ 35.270838] full_proxy_write+0x53/0x80 <4>[ 35.275417] vfs_write+0xe7/0x3b0 <4>[ 35.279412] ksys_write+0x68/0xf0 <4>[ 35.283400] do_syscall_64+0x30/0x40 <4>[ 35.287679] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 35.293609] RIP: 0033:0x7f356f17f473 <4>[ 35.297879] 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>[ 35.319151] RSP: 002b:00007fffd556e068 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 35.327890] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f356f17f473 <4>[ 35.336142] RDX: 000000000000000b RSI: 00007f356f073000 RDI: 0000000000000001 <4>[ 35.344393] RBP: 00007f356f073000 R08: 00007f356f072010 R09: 0000000000000000 <4>[ 35.352651] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 35.360911] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 35.369175] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 35.421940] CR2: ffffffff99e5e5ed <4>[ 35.425928] ---[ end trace 2116846283a514a6 ]--- <4>[ 35.431372] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 35.436041] Code: 89 ff e8 1e dc 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 00 67 0b 03 <4>[ 35.457311] RSP: 0018:ffffa5c40133fe60 EFLAGS: 00010282 <4>[ 35.463434] RAX: ffffffff9977b5b0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 35.471693] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9a8f7db0 <4>[ 35.479951] RBP: ffffffff9ade7fb8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 35.488210] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 35.496470] R13: ffffa5c40133ff10 R14: ffffa5c40133ff10 R15: ffff98f0c6d8f000 <4>[ 35.504722] FS: 00007f356f269580(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000 <4>[ 35.514040] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 35.520745] CR2: ffffffff99e5e5ed CR3: 0000000103806005 CR4: 00000000003706f0 .sh # SKIP # selftests: lkdtm: CORRUPT_PAC.sh # [ 27.146423] lkdtm: Performing direct entry CORRUPT_PAC # [ 27.155329] 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 # [ 27.232272] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 27.242949] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP] ok 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP # selftests: lkdtm: OVERWRITE_ALLOCATION.sh # Skipping OVERWRITE_ALLOCATION: Corrupts memory on failure ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP # selftests: lkdtm: WRITE_AFTER_FREE.sh # Skipping WRITE_AFTER_FREE: Corrupts memory on failure ok 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_AFTER_FREE.sh # [ 27.372845] lkdtm: Performing direct entry READ_AFTER_FREE # [ 27.381638] lkdtm: Value in memory before free: 12345678 # [ 27.387872] lkdtm: Attempting bad read from freed memory # [ 27.400308] lkdtm: Memory was not poisoned # READ_AFTER_FREE: missing 'call trace:': [FAIL] not ok<6>[ 35.643257] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW <6>[ 35.654112] lkdtm: attempting good refcount_inc() without overflow 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1 # selftests: <6>[ 35.661345] lkdtm: attempting bad refcount_inc() overflow <4>[ 35.673874] ------------[ cut here ]------------ <4>[ 35.679343] refcount_t: saturated; leaking memory. lkdtm: WRITE_BUDDY_AFTER_FREE.sh # Skipping WRITE_BUDDY_AFTER_F<4>[ 35.685002] WARNING: CPU: 2 PID: 2013 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 REE: Corrupts memory on failure ok 21 selftests: lkdtm: WRITE_B<4>[ 35.700920] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 35.759912] CPU: 2 PID: 2013 Comm: cat Tainted: G D W 5.10.199-cip39 #1 <4>[ 35.768879] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 35.775979] RIP: 0010:refcount_warn_saturate+0x51/0x110 <4>[ 35.782130] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 69 00 17 02 00 75 ee 48 c7 c7 c8 ca cd 9a c6 05 59 00 17 02 01 e8 d1 e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 45 00 17 02 00 75 cb 48 c7 c7 f0 ca cd <4>[ 35.803406] RSP: 0018:ffffa5c402847e48 EFLAGS: 00010286 <4>[ 35.809534] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 <4>[ 35.817797] RDX: ffff98f13ad2c620 RSI: ffff98f13ad1bf50 RDI: ffff98f13ad1bf50 <4>[ 35.826061] RBP: ffffffff9ad81ea5 R08: 0000000000000000 R09: 0000000000000000 <4>[ 35.834340] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 UDDY_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_BUDDY_AFTER_<4>[ 35.842606] R13: ffffa5c402847f10 R14: ffffa5c402847f10 R15: ffff98f0c2de6000 <4>[ 35.857077] FS: 00007fe04371d580(0000) GS:ffff98f13ad00000(0000) knlGS:0000000000000000 <4>[ 35.866407] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 35.873116] CR2: 00007fe043527000 CR3: 0000000102bbe003 CR4: 00000000003706e0 <4>[ 35.881389] Call Trace: <4>[ 35.884413] ? __warn+0x80/0x110 FREE.sh # [ 27.498979] lkdtm: Performing direct entry READ_BU<4>[ 35.888334] ? refcount_warn_saturate+0x51/0x110 <4>[ 35.899992] ? report_bug+0x9e/0xc0 <4>[ 35.904203] ? handle_bug+0x41/0x90 <4>[ 35.908408] ? exc_invalid_op+0x14/0x70 <4>[ 35.912981] ? asm_exc_invalid_op+0x12/0x20 DDY_AFTER_FREE # [ 27.511666] lkdtm: Value in memory before f<4>[ 35.917955] ? refcount_warn_saturate+0x51/0x110 <4>[ 35.929608] ? refcount_warn_saturate+0x51/0x110 <4>[ 35.935055] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 <4>[ 35.940697] direct_entry.cold+0x2c/0x38 <4>[ 35.945390] full_proxy_write+0x53/0x80 <4>[ 35.949996] vfs_write+0xe7/0x3b0 <4>[ 35.954016] ksys_write+0x68/0xf0 <4>[ 35.958038] do_syscall_64+0x30/0x40 ree: 12345678 # [ 27.524080] lkdtm: Attempting to read from f<4>[ 35.962332] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 35.974471] RIP: 0033:0x7fe043633473 <4>[ 35.978753] 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>[ 36.000028] RSP: 002b:00007ffcc14bfee8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 36.008778] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fe043633473 <4>[ 36.017040] RDX: 0000000000000016 RSI: 00007fe043527000 RDI: 0000000000000001 <4>[ 36.025303] RBP: 00007fe043527000 R08: 00007fe043526010 R09: 0000000000000000 <4>[ 36.033566] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 36.041830] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 36.050099] irq event stamp: 0 reed memory # [ 27.536419] lkdtm: Buddy page was not poisoned<4>[ 36.053825] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # READ_BUDDY_AFTER_FREE: missing 'call trace:': [FAIL] not ok<4>[ 36.067343] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 36.082974] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 36.092402] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 36.099694] ---[ end trace 2116846283a514a7 ]--- <6>[ 36.105139] lkdtm: Overflow detected: saturated 22 selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_DOUBLE.sh # [ 27.620236] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 27.628994] 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 # [ 27.712775] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 27.721875] 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 # [ 27.805463] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 27.815121] 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: lk<6>[ 36.213028] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW dtm: HARDLOCKUP.sh # SKIP # selftests: lkdtm: SPINLOCKUP.sh # <6>[ 36.223207] lkdtm: attempting good refcount_add() without overflow Skipping SPINLOCKUP: Hangs the system ok 28 selftests: lkdtm: S<6>[ 36.236639] lkdtm: attempting bad refcount_add() overflow PINLOCKUP.sh # SKIP # selftests: lkdtm: HUNG_TASK.sh # Skippin<4>[ 36.249167] ------------[ cut here ]------------ g HUNG_TASK: Hangs the system ok 29 selftests: lkdtm: HUNG_TASK<4>[ 36.260871] refcount_t: saturated; leaking memory. .sh # SKIP # selftests: lkdtm: EXEC_DATA.sh # Killed # [ 28<4>[ 36.272712] WARNING: CPU: 0 PID: 2046 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 .012241] lkdtm: Performing direct entry EXEC_DATA # [ 28.0194<4>[ 36.288678] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table 95] lkdtm: attempting ok execution at ffffffff9977b980 # [ 28<4>[ 36.347631] CPU: 0 PID: 2046 Comm: cat Tainted: G D W 5.10.199-cip39 #1 .032514] lkdtm: attempting bad execution at ffffffff9c831d00 # <4>[ 36.362811] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 28.045635] kernel tried to execute NX-protected page - explo<4>[ 36.376091] RIP: 0010:refcount_warn_saturate+0x51/0x110 it attempt? (uid: 0) # [ 28.060494] BUG: unable to handle pag<4>[ 36.388428] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 69 00 17 02 00 75 ee 48 c7 c7 c8 ca cd 9a c6 05 59 00 17 02 01 e8 d1 e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 45 00 17 02 00 75 cb 48 c7 c7 f0 ca cd e fault for address: ffffffff9c831d00 # [ 28.068455] #PF: sup<4>[ 36.415921] RSP: 0018:ffffa5c4028d7e48 EFLAGS: 00010286 ervisor instruction fetch in kernel mode # [ 28.075064] #PF: <4>[ 36.428254] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 error_code(0x0011) - permissions violation # [ 28.081575] PGD<4>[ 36.442749] RDX: ffff98f13ac2c620 RSI: ffff98f13ac1bf50 RDI: ffff98f13ac1bf50 33c29067 P4D 33c29067 PUD 33c2a063 PMD 80000000354000e3 # [ <4>[ 36.457223] RBP: ffffffff9ad81ebb R08: 0000000000000000 R09: 0000000000000000 28.089353] Oops: 0011 [#5] SMP PTI # [ 28.099749] CPU: 1 PID<4>[ 36.471714] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 : 1575 Comm: cat Tainted: G D W 5.10.199-cip39 #1 <4>[ 36.486185] R13: ffffa5c4028d7f10 R14: ffffa5c4028d7f10 R15: ffff98f0c6652000 # [ 28.108688] Hardware name: Google Rammus/Rammus, BIOS 09/0<4>[ 36.500667] FS: 00007f36e0c13580(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000 4/2020 # [ 28.115786] RIP: 0010:data_area+0x0/0x40 # [ 28.<4>[ 36.516219] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 120455] Code: ff ff 00 45 9a c4 f0 98 ff ff 00 44 9a c4 f0 98 ff<4>[ 36.529150] CR2: 00007f36e0a1d000 CR3: 0000000106e0c006 CR4: 00000000003706f0 ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <4>[ 36.543628] Call Trace: 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f<4>[ 36.552897] ? __warn+0x80/0x110 1f 44 00 00 55 # [ 28.147939] RSP: 0018:ffffa5c40214fe48 EFL<4>[ 36.562986] ? refcount_warn_saturate+0x51/0x110 AGS: 00010246 # [ 28.154066] RAX: 0000000000000033 RBX: 00000<4>[ 36.574664] ? report_bug+0x9e/0xc0 00000000001 RCX: 0000000000000000 # [ 28.162337] RDX: 0000000<4>[ 36.585054] ? handle_bug+0x41/0x90 000000000 RSI: ffff98f13ac9bf50 RDI: ffff98f13ac9bf50 # [ 28.<4>[ 36.595461] ? exc_invalid_op+0x14/0x70 170595] RBP: ffffffff9c831d00 R08: 0000000000000000 R09: 0000000<4>[ 36.606245] ? asm_exc_invalid_op+0x12/0x20 000000000 # [ 28.178855] R10: 00000000ffffe000 R11: 3ffffffff<4>[ 36.617437] ? refcount_warn_saturate+0x51/0x110 fffffff R12: 000000000000000a # [ 28.187106] R13: ffffa5c4021<4>[ 36.629092] ? refcount_warn_saturate+0x51/0x110 4ff10 R14: ffffa5c40214ff10 R15: ffff98f0c6e54000 # [ 28.1953<4>[ 36.640764] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 81] FS: 00007f86c5ffc580(0000) GS:ffff98f13ac80000(0000) knlGS:<4>[ 36.652616] direct_entry.cold+0x2c/0x38 0000000000000000 # [ 28.204709] CS: 0010 DS: 0000 ES: 0000 C<4>[ 36.663546] full_proxy_write+0x53/0x80 R0: 0000000080050033 # [ 28.211416] CR2: ffffffff9c831d00 CR3<4>[ 36.674313] vfs_write+0xe7/0x3b0 : 0000000104954001 CR4: 00000000003706e0 # [ 28.219675] Call <4>[ 36.684514] ksys_write+0x68/0xf0 Trace: # [ 28.222696] ? __die_body.cold+0x1a/0x1f # [ 28.<4>[ 36.694714] do_syscall_64+0x30/0x40 227384] ? no_context+0x177/0x380 # [ 28.237975] ? exc_page_<4>[ 36.705226] entry_SYSCALL_64_after_hwframe+0x62/0xc7 fault+0xd7/0x170 # [ 28.242645] ? asm_exc_page_fault+0x1e/0x<4>[ 36.717360] RIP: 0033:0x7f36e0b29473 30 # [ 28.253819] ? execute_location+0x45/0x56 # [ 28.264<4>[ 36.727856] 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 18 798] ? direct_entry.cold+0x2c/0x38 # [ 28.269660] ? full_pr<4>[ 36.755347] RSP: 002b:00007ffcebb57368 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 36.770294] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f36e0b29473 oxy_write+0x53/0x80 # [ 28.274429] ? vfs_write+0xe7/0x3b0 #<4>[ 36.778568] RDX: 0000000000000016 RSI: 00007f36e0a1d000 RDI: 0000000000000001 [ 28.284820] ? ksys_write+0x68/0xf0 # [ 28.289004] ? do_<4>[ 36.793057] RBP: 00007f36e0a1d000 R08: 00007f36e0a1c010 R09: 0000000000000000 syscall_64+0x30/0x40 # [ 28.293478] ? entry_SYSCALL_64_after<4>[ 36.807531] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 _hwframe+0x62/0xc7 # [ 28.299594] Modules linked in: fuse ip_<4>[ 36.822019] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensor<4>[ 36.836520] irq event stamp: 0 s_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2<4>[ 36.846433] hardirqs last enabled at (0): [<0000000000000000>] 0x0 _memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cro<4>[ 36.859929] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 s_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_<4>[ 36.875574] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_u<4>[ 36.891262] softirqs last disabled at (0): [<0000000000000000>] 0x0 sbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec<4>[ 36.904789] ---[ end trace 2116846283a514a8 ]--- _dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chrom<6>[ 36.916456] lkdtm: Overflow detected: saturated eos_pstore cros_kbd_led_backlight coreboot_table # [ 28.358544] CR2: ffffffff9c831d00 # [ 28.362536] ---[ end trace 2116846283a5149b ]--- # [ 28.367982] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 28.372651] Code: 89 ff e8 1e dc 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 00 67 0b 03 # [ 28.393913] RSP: 0018:ffffa5c40133fe60 EFLAGS: 00010282 # [ 28.400028] RAX: ffffffff9977b5b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 28.408288] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9a8f7db0 # [ 28.416546] RBP: ffffffff9ade7fb8 R08: 0000000000000001 R09: 0000000000000001 # [ 28.424805] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 28.433065] R13: ffffa5c40133ff10 R14: ffffa5c40133ff10 R15: ffff98f0c6d8f000 # [ 28.441335] FS: 00007f86c5ffc580(0000) GS:ffff98f13ac80000(0000) knlGS:0000000000000000 # [ 28.450653] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 28.457373] CR2: ffffffff9c831d00 CR3: 0000000104954001 CR4: 00000000003706e0 # [ 28.4656<6>[ 37.036079] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW 42] BUG: sleeping function called from invalid context at includ<6>[ 37.047805] lkdtm: attempting bad refcount_inc_not_zero() overflow e/linux/percpu-rwsem.h:49 # [ 28.482055] in_atomic(): 0, irqs<4>[ 37.061211] ------------[ cut here ]------------ _disabled(): 1, non_block: 0, pid: 1575, name: cat # [ 28.490<4>[ 37.072869] refcount_t: saturated; leaking memory. 800] INFO: lockdep is turned off. # [ 28.495465] irq event st<4>[ 37.084731] WARNING: CPU: 0 PID: 2079 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 amp: 0 # [ 28.499160] hardirqs last enabled at (0): [<000000<4>[ 37.100660] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table 0000000000>] 0x0 # [ 28.506450] hardirqs last disabled at (0)<4>[ 37.159649] CPU: 0 PID: 2079 Comm: cat Tainted: G D W 5.10.199-cip39 #1 : [] copy_process+0x65c/0x20e0 # [ 28.51587<4>[ 37.174824] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 5] softirqs last enabled at (0): [] copy_proc<4>[ 37.188191] RIP: 0010:refcount_warn_saturate+0x97/0x110 ess+0x65c/0x20e0 # [ 28.525301] softirqs last disabled at (0)<4>[ 37.200497] Code: 02 01 e8 ae e6 c5 00 0f 0b c3 cc cc cc cc 80 3d 24 00 17 02 00 75 a8 48 c7 c7 c8 ca cd 9a c6 05 14 00 17 02 01 e8 8b e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d fe ff 16 02 00 75 85 48 c7 c7 20 cb cd : [<0000000000000000>] 0x0 # [ 28.532590] CPU: 1 PID: 1575 Co<4>[ 37.228026] RSP: 0018:ffffa5c40295fe38 EFLAGS: 00010282 mm: cat Tainted: G D W 5.10.199-cip39 #1 # [ 28.<4>[ 37.240363] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 541530] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 #<4>[ 37.254835] RDX: ffff98f13ac2c620 RSI: ffff98f13ac1bf50 RDI: ffff98f13ac1bf50 [ 28.548623] Call Trace: # [ 28.551644] dump_stack+0x77/0<4>[ 37.269296] RBP: ffffffff9ad81af8 R08: 0000000000000000 R09: 0000000000000000 x9b # [ 28.555635] ___might_sleep.cold+0xa6/0xb6 # [ 28.5<4>[ 37.283772] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f 66709] exit_signals+0x1c/0x300 # [ 28.570990] do_exit+0xc2/<4>[ 37.298249] R13: ffffa5c40295ff10 R14: ffffa5c40295ff10 R15: ffff98f0c2e2f000 0xab0 # [ 28.580994] ? ksys_write+0x68/0xf0 # [ 28.585169<4>[ 37.312740] FS: 00007f15833d4580(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000 ] make_task_dead+0x2f/0x30 # [ 28.589546] rewind_stack_and_<4>[ 37.328305] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 make_dead+0x17/0x20 # [ 28.595087] RIP: 0033:0x7f86c5f12473 <4>[ 37.341260] CR2: 00007f15831de000 CR3: 0000000104866004 CR4: 00000000003706f0 # [ 28.599381] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0<4>[ 37.355718] Call Trace: ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 <4>[ 37.364966] ? __warn+0x80/0x110 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48<4>[ 37.375069] ? refcount_warn_saturate+0x97/0x110 83 ec 28 48 89 54 24 18 # [ 28.620651] RSP: 002b:00007fff936<4>[ 37.386745] ? report_bug+0x9e/0xc0 217d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 28.6293<4>[ 37.397137] ? handle_bug+0x41/0x90 88] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f86c5f<4>[ 37.407546] ? exc_invalid_op+0x14/0x70 12473 # [ 28.637647] RDX: 000000000000000a RSI: 00007f86c5e06<4>[ 37.418347] ? asm_exc_invalid_op+0x12/0x20 000 RDI: 0000000000000001 # [ 28.645905] RBP: 00007f86c5e0600<4>[ 37.429524] ? refcount_warn_saturate+0x97/0x110 0 R08: 00007f86c5e05010 R09: 0000000000000000 # [ 28.654164] <4>[ 37.441177] ? refcount_warn_saturate+0x97/0x110 R10: fffffffffffffbc5 R11: 0000000000000246 R12: 000000000000000<4>[ 37.452847] __refcount_add_not_zero.constprop.0+0x2a/0x35 1 # [ 28.662423] R13: 0000000000000001 R14: 0000000000020000 <4>[ 37.465469] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 R15: 0000000000020000 # EXEC_DATA: saw 'call trace:': ok ok 30<4>[ 37.478208] direct_entry.cold+0x2c/0x38 selftests: lkdtm: EXEC_DATA.sh # selftests: lkdtm: EXEC_STACK.<4>[ 37.489094] full_proxy_write+0x53/0x80 sh # Killed # [ 28.752906] lkdtm: Performing direct entry EX<4>[ 37.499890] vfs_write+0xe7/0x3b0 EC_STACK # [ 28.763632] lkdtm: attempting ok execution at fff<4>[ 37.510088] ksys_write+0x68/0xf0 fffff9977b980 # [ 28.770471] lkdtm: attempting bad execution <4>[ 37.520299] do_syscall_64+0x30/0x40 at ffffa5c4021f7e18 # [ 28.777411] kernel tried to execute NX<4>[ 37.530794] entry_SYSCALL_64_after_hwframe+0x62/0xc7 -protected page - exploit attempt? (uid: 0) # [ 28.786068] BU<4>[ 37.542979] RIP: 0033:0x7f15832ea473 G: unable to handle page fault for address: ffffa5c4021f7e18 # <4>[ 37.553479] 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 [ 28.800252] #PF: supervisor instruction fetch in kernel mode <4>[ 37.580970] RSP: 002b:00007ffd2a66ce38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 28.806861] #PF: error_code(0x0011) - permissions violatio<4>[ 37.595937] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f15832ea473 n # [ 28.813376] PGD 100000067 P4D 100000067 PUD 100244067 PM<4>[ 37.610487] RDX: 000000000000001f RSI: 00007f15831de000 RDI: 0000000000000001 D 102cde067 PTE 8000000104847063 # [ 28.822709] Oops: 0011 [#<4>[ 37.624941] RBP: 00007f15831de000 R08: 00007f15831dd010 R09: 0000000000000000 6] SMP PTI # [ 28.826882] CPU: 2 PID: 1612 Comm: cat Tainted:<4>[ 37.639424] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 G D W 5.10.199-cip39 #1 # [ 28.835811] Hardware<4>[ 37.653927] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 28.842906] <4>[ 37.668381] irq event stamp: 0 RIP: 0010:0xffffa5c4021f7e18 # [ 28.847565] Code: 00 00 18 7e<4>[ 37.678290] hardirqs last enabled at (0): [<0000000000000000>] 0x0 1f 02 c4 a5 ff ff 43 e6 e5 99 ff ff ff ff 20 00 00 00 00 00 00 <4>[ 37.691806] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 00 16 1e d8 9a ff ff ff ff 72 e7 e5 99 ff ff ff ff <0f> 1f 44 00<4>[ 37.707509] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 28<4>[ 37.723138] softirqs last disabled at (0): [<0000000000000000>] 0x0 .868837] RSP: 0018:ffffa5c4021f7df8 EFLAGS: 00010246 # [ 28.8<4>[ 37.736643] ---[ end trace 2116846283a514a9 ]--- 74960] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 00000000<6>[ 37.748313] lkdtm: Overflow detected: saturated 00000000 # [ 28.883220] RDX: 0000000000000000 RSI: ffff98f13ad1bf50 RDI: ffff98f13ad1bf50 # [ 28.891479] RBP: ffffa5c4021f7e18 R08: 0000000000000000 R09: 0000000000000000 # [ 28.899738] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 28.907997] R13: ffffa5c4021f7f10 R14: ffffa5c4021f7f10 R15: ffff98f0c2b51000 # [ 28.916258] FS: 00007fd6b9d27580(0000) GS:ffff98f13ad00000(0000) knlGS:0000000000000000 # [ 28.925584] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 28.932291] CR2: ffffa5c4021f7e18 CR3: 0000000104898004 CR4: 00000000003706e0 # [ 28.940551] Call Trace: # [ 28.943572] ? __die_body.cold+0x1a/0x1f # [ 28.948240] ? no_context+0x177/0x380 # [ 28.952619] ? exc_page_fault+0xd7/0x170 # [ 28.957287] ? asm_exc_page_fault+0x1e/0x30 # [ 28.962242] ? execute_location+0x45/0x56 # [ 28.967006] ? lkdtm_EXEC_STACK+0x26/0x44 # [ 28.971773] ? direct_entry.cold+0x2c/0x38 # [ 28.976635] ? full_proxy_write+0x53/0x80 # [ 28.981393] ? vfs_write+0xe7/0x3b0 # [ 28.985575] ? ksys_write+0x68/0xf0 <6>[ 37.863018] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW <6>[ 37.873434] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 28.989749] ? do_syscall_64+0x30/0x40 # [ 28.994221] ?<4>[ 37.880641] ------------[ cut here ]------------ <4>[ 37.892298] refcount_t: saturated; leaking memory. <4>[ 37.897999] WARNING: CPU: 2 PID: 2112 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 29.000348] Modu<4>[ 37.907723] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 37.966699] CPU: 2 PID: 2112 Comm: cat Tainted: G D W 5.10.199-cip39 #1 les linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors <4>[ 37.975654] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 37.988961] RIP: 0010:refcount_warn_saturate+0x97/0x110 <4>[ 37.995088] Code: 02 01 e8 ae e6 c5 00 0f 0b c3 cc cc cc cc 80 3d 24 00 17 02 00 75 a8 48 c7 c7 c8 ca cd 9a c6 05 14 00 17 02 01 e8 8b e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d fe ff 16 02 00 75 85 48 c7 c7 20 cb cd <4>[ 38.016379] RSP: 0018:ffffa5c4029dfe38 EFLAGS: 00010282 <4>[ 38.022540] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 <4>[ 38.030803] RDX: ffff98f13ad2c620 RSI: ffff98f13ad1bf50 RDI: ffff98f13ad1bf50 <4>[ 38.039064] RBP: ffffffff9ad81b18 R08: 0000000000000000 R09: 0000000000000000 <4>[ 38.047338] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_tri<4>[ 38.055602] R13: ffffa5c4029dff10 R14: ffffa5c4029dff10 R15: ffff98f0c6e46000 <4>[ 38.070076] FS: 00007f7646c73580(0000) GS:ffff98f13ad00000(0000) knlGS:0000000000000000 <4>[ 38.079405] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 38.086115] CR2: 00007f7646a7d000 CR3: 0000000102ba6006 CR4: 00000000003706e0 <4>[ 38.094383] Call Trace: <4>[ 38.097405] ? __warn+0x80/0x110 <4>[ 38.101340] ? refcount_warn_saturate+0x97/0x110 ggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industri<4>[ 38.106789] ? report_bug+0x9e/0xc0 <4>[ 38.117186] ? handle_bug+0x41/0x90 <4>[ 38.121394] ? exc_invalid_op+0x14/0x70 <4>[ 38.125967] ? asm_exc_invalid_op+0x12/0x20 <4>[ 38.130933] ? refcount_warn_saturate+0x97/0x110 <4>[ 38.136410] ? refcount_warn_saturate+0x97/0x110 <4>[ 38.141858] __refcount_add_not_zero.constprop.0+0x2a/0x35 <4>[ 38.148276] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 <4>[ 38.154793] direct_entry.cold+0x2c/0x38 <4>[ 38.159466] full_proxy_write+0x53/0x80 <4>[ 38.164042] vfs_write+0xe7/0x3b0 <4>[ 38.168034] ksys_write+0x68/0xf0 <4>[ 38.172026] do_syscall_64+0x30/0x40 <4>[ 38.176307] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 38.182264] RIP: 0033:0x7f7646b89473 <4>[ 38.186546] 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>[ 38.207821] RSP: 002b:00007fff776815e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 38.216569] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f7646b89473 <4>[ 38.224832] RDX: 000000000000001f RSI: 00007f7646a7d000 RDI: 0000000000000001 <4>[ 38.233095] RBP: 00007f7646a7d000 R08: 00007f7646a7c010 R09: 0000000000000000 <4>[ 38.241371] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 38.249666] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 38.257932] irq event stamp: 0 <4>[ 38.261636] hardirqs last enabled at (0): [<0000000000000000>] 0x0 alio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core c<4>[ 38.268933] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 38.284575] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 38.294005] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 38.301298] ---[ end trace 2116846283a514aa ]--- ros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress s<6>[ 38.306746] lkdtm: Overflow detected: saturated nd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 29.053146] CR2: ffffa5c4021f7e18 # [ 29.063345] ---[ end trace 2116846283a5149c ]--- # [ 29.068783] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 29.073451] Code: 89 ff e8 1e dc 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 00 67 0b 03 # [ 29.094715] RSP: 0018:ffffa5c40133fe60 EFLAGS: 00010282 # [ 29.100839] RAX: ffffffff9977b5b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 29.109098] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9a8f7db0 # [ 29.117360] RBP: ffffffff9ade7fb8 R08: 0000000000000001 R09: 0000000000000001 # [ 29.125620] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 29.133880] R13: ffffa5c40133ff10 R14: ffffa5c40133ff10 R15:<6>[ 38.416439] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO <6>[ 38.424401] lkdtm: attempting good refcount_dec() <6>[ 38.429978] lkdtm: attempting bad refcount_dec() to zero <4>[ 38.436206] ------------[ cut here ]------------ <4>[ 38.441677] refcount_t: decrement hit 0; leaking memory. <4>[ 38.447931] WARNING: CPU: 2 PID: 2145 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 ffff98f0c6d8f000 # [ 29.142141] FS: 00007fd6b9d27580(0000) <4>[ 38.457656] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 38.516617] CPU: 2 PID: 2145 Comm: cat Tainted: G D W 5.10.199-cip39 #1 <4>[ 38.525588] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 38.532688] RIP: 0010:refcount_warn_saturate+0xfb/0x110 <4>[ 38.538817] Code: 78 cb cd 9a c6 05 c5 ff 16 02 01 e8 41 e6 c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 48 cb cd 9a c6 05 ac ff 16 02 01 e8 27 e6 c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b <4>[ 38.560119] RSP: 0018:ffffa5c402a37e48 EFLAGS: 00010286 <4>[ 38.566251] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 <4>[ 38.574546] RDX: ffff98f13ad2c620 RSI: ffff98f13ad1bf50 RDI: ffff98f13ad1bf50 <4>[ 38.582811] RBP: ffffffff9ad81ed1 R08: 0000000000000000 R09: 0000000000000000 <4>[ 38.591075] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 GS:ffff98f13ad00000(0000) knlGS:0000000000000000 # [ 29.15146<4>[ 38.599341] R13: ffffa5c402a37f10 R14: ffffa5c402a37f10 R15: ffff98f0c2e2e000 <4>[ 38.613828] FS: 00007f7e4bcd3580(0000) GS:ffff98f13ad00000(0000) knlGS:0000000000000000 <4>[ 38.623195] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 38.629929] CR2: 00007f7e4badd000 CR3: 0000000102ab0001 CR4: 00000000003706e0 <4>[ 38.638194] Call Trace: <4>[ 38.641218] ? __warn+0x80/0x110 <4>[ 38.645144] ? refcount_warn_saturate+0xfb/0x110 <4>[ 38.650592] ? report_bug+0x9e/0xc0 <4>[ 38.654804] ? handle_bug+0x41/0x90 <4>[ 38.659011] ? exc_invalid_op+0x14/0x70 <4>[ 38.663586] ? asm_exc_invalid_op+0x12/0x20 <4>[ 38.668552] ? refcount_warn_saturate+0xfb/0x110 8] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 29.1<4>[ 38.674025] ? refcount_warn_saturate+0xfb/0x110 <4>[ 38.685681] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd <4>[ 38.690935] direct_entry.cold+0x2c/0x38 <4>[ 38.695608] full_proxy_write+0x53/0x80 <4>[ 38.700183] vfs_write+0xe7/0x3b0 <4>[ 38.704199] ksys_write+0x68/0xf0 <4>[ 38.708192] do_syscall_64+0x30/0x40 <4>[ 38.712474] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 38.718407] RIP: 0033:0x7f7e4bbe9473 <4>[ 38.722691] 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>[ 38.743967] RSP: 002b:00007ffd5673c0a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 38.752717] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f7e4bbe9473 <4>[ 38.760981] RDX: 0000000000000012 RSI: 00007f7e4badd000 RDI: 0000000000000001 <4>[ 38.769243] RBP: 00007f7e4badd000 R08: 00007f7e4badc010 R09: 0000000000000000 <4>[ 38.777507] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 38.785772] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 38.794039] irq event stamp: 0 <4>[ 38.797759] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 38.805052] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 38.814482] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 38.823911] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 38.831207] ---[ end trace 2116846283a514ab ]--- <6>[ 38.836653] lkdtm: Zero detected: saturated 58174] CR2: ffffa5c4021f7e18 CR3: 0000000104898004 CR4: 00000000003706e0 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 29.247047] lkdtm: Performing direct entry EXEC_KMALLOC # [ 29.253401] lkdtm: attempting ok execution at ffffffff9977b980 # [ 29.260240] lkdtm: attempting bad execution at ffff98f0c382fc80 # [ 29.267147] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 29.275826] BUG: unable to handle page fault for address: ffff98f0c382fc80 # [ 29.283786] #PF: supervisor instruction fetch in kernel mode # [ 29.290396] #PF: error_code(0x0011) - permissions violation # [ 29.296908] PGD 35601067 P4D 35601067 PUD 100874063 PMD 106656063 PTE 800000010382f063 # [ 29.306045] Oops: 0011 [#7] SMP PTI # [ 29.310227] CPU: 3 PID: 1649 Comm: cat Tainted: G D W 5.10.199-cip39 #1 # [ 29.319157] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 29.326252] RIP: 0010:0xffff98f0c382fc80 # [ 29.330919] Code: ff ff 00 10 00 00 00 00 00 00 00 f3 82 c3 f0 98 ff ff 00 10 00 00 00 00 00 00 00 00 00 00 00 00 00 00 eb f2 cf 98 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 # [ 29.352191] RSP: 0018:ffffa5c402277e38 EFLAGS: 00010246 # [ 29.358335] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 29.366594] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffff98f13ad9bf50 # [ 29.374853] RBP: ffff98f0c382fc80 R08: 0000000000000000 R09: 0000000000000000 # [ 29.383112] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 29.391391] R13: ffffa5c402277f10 R14: ffffa5c402277f10 R15: ffff98f0c2b6c000 # [ 29.399652] FS: 00007fc43e379580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000 # [ 29.408979] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 29.415684] CR2: ffff98f0c382fc80 CR3: 0000000106e4a001 CR4: 00000000003706e0 # [ 29.423942] Call Trace: # [ 29.426961] ? __die_body.cold+0x1a/0x1f # [ 29.431630] ? no_context+0x177/0x380 # [ 29.436009] ? exc_page_fault+0xd7/0x170 # [ 29.440677] ? asm_exc_page_fault+0x1e/0x30 # [ 29.445641] ? execute_location+0x45/0x56 # [ 29.450408] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 29.455387] ? direct_entry.cold+0x2c/0x38 # [ 29.460249] ? full_proxy_write+0x53/0x80 # [ 29.465005] ? vfs_write+0xe7/0x3b0 # [ 29.469186] ? ksys_write+0x68/0xf0 # [ 29.473370] ? do_syscall_64+0x30/0x40 # [ 29.477843] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 29.483968] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 29.542953] CR2: ffff98f0c382fc80 # [ 29.546939] ---[ end trace 2116846283a5149d ]--- # [ 29.552400] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 29.557066] Code: 89 ff e8 1e dc 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 00 67 0b 03 # [ 29.578339] RSP: 0018:ffffa5c40133fe60 EFLAGS: 00010282 # [ 29.584463] RAX: ffffffff9977b5b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 29.592723] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9a8f7db0 # [ 29.600982] RBP: ffffffff9ade7fb8 R08: 0000000000000001 R09: 0000000000000001 # [ 29.609241] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 29.617501] R13: ffffa5c40133ff10 R14: ffffa5c40133ff10 R15: ffff98f0c6d8f000 # [ 29.625759] FS: 00007fc43e379580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000 # [ 29.635088] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 29.641792] CR2: ffff98f0c382fc80 CR3: 0000000106e4a001 CR4: 00000000003706e0 # [ 29.650054] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 29.660247] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1649, name: cat # [ 29.668992] INFO: lockdep is turned off. # [ 29.6736<6>[ 39.284623] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE <6>[ 39.292182] lkdtm: attempting bad refcount_dec() below zero <4>[ 39.298720] ------------[ cut here ]------------ <4>[ 39.304185] refcount_t: decrement hit 0; leaking memory. <4>[ 39.310447] WARNING: CPU: 3 PID: 2181 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 58] irq event stamp: 0 # [ 29.677355] hardirqs last enabled <4>[ 39.320177] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 39.379126] CPU: 3 PID: 2181 Comm: cat Tainted: G D W 5.10.199-cip39 #1 <4>[ 39.388104] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 39.395233] RIP: 0010:refcount_warn_saturate+0xfb/0x110 <4>[ 39.401365] Code: 78 cb cd 9a c6 05 c5 ff 16 02 01 e8 41 e6 c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 48 cb cd 9a c6 05 ac ff 16 02 01 e8 27 e6 c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b <4>[ 39.422667] RSP: 0018:ffffa5c402ae7e48 EFLAGS: 00010286 <4>[ 39.428795] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 <4>[ 39.437058] RDX: ffff98f13adac620 RSI: ffff98f13ad9bf50 RDI: ffff98f13ad9bf50 <4>[ 39.445342] RBP: ffffffff9ad81ee3 R08: 0000000000000000 R09: 0000000000000000 at (0): [<0000000000000000>] 0x0 # [ 29.684637] hardirqs last<4>[ 39.453612] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 <4>[ 39.468086] R13: ffffa5c402ae7f10 R14: ffffa5c402ae7f10 R15: ffff98f0c2bdb000 <4>[ 39.476351] FS: 00007f62acfa3580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000 <4>[ 39.485686] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 39.492398] CR2: 00007f62acdad000 CR3: 0000000102dcc001 CR4: 00000000003706e0 <4>[ 39.500662] Call Trace: <4>[ 39.503685] ? __warn+0x80/0x110 <4>[ 39.507613] ? refcount_warn_saturate+0xfb/0x110 <4>[ 39.513092] ? report_bug+0x9e/0xc0 <4>[ 39.517330] ? handle_bug+0x41/0x90 disabled at (0): [] copy_process+0x65c/0x20e0<4>[ 39.521526] ? exc_invalid_op+0x14/0x70 <4>[ 39.532329] ? asm_exc_invalid_op+0x12/0x20 # [ 29.694054] softirqs last enabled at (0): [[ 39.537309] ? refcount_warn_saturate+0xfb/0x110 <4>[ 39.548960] ? refcount_warn_saturate+0xfb/0x110 <4>[ 39.554411] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 <4>[ 39.560057] direct_entry.cold+0x2c/0x38 <4>[ 39.564760] full_proxy_write+0x53/0x80 <4>[ 39.569361] vfs_write+0xe7/0x3b0 <4>[ 39.573394] ksys_write+0x68/0xf0 <4>[ 39.577400] do_syscall_64+0x30/0x40 <4>[ 39.581713] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 39.587647] RIP: 0033:0x7f62aceb9473 <4>[ 39.591931] 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 d6cc>] copy_process+0x65c/0x20e0 # [ 29.703478] softirqs last<4>[ 39.613219] RSP: 002b:00007ffe9ade6da8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 39.628178] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f62aceb9473 <4>[ 39.636444] RDX: 0000000000000016 RSI: 00007f62acdad000 RDI: 0000000000000001 <4>[ 39.644708] RBP: 00007f62acdad000 R08: 00007f62acdac010 R09: 0000000000000000 <4>[ 39.652974] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 39.661237] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 39.669505] irq event stamp: 0 <4>[ 39.673235] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 39.680530] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 39.689960] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 39.699394] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 39.706689] ---[ end trace 2116846283a514ac ]--- <6>[ 39.712136] lkdtm: Negative detected: saturated disabled at (0): [<0000000000000000>] 0x0 # [ 29.710767] CPU: 3 PID: 1649 Comm: cat Tainted: G D W 5.10.199-cip39 #1 # [ 29.719707] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 29.726802] Call Trace: # [ 29.729820] dump_stack+0x77/0x9b # [ 29.733810] ___might_sleep.cold+0xa6/0xb6 # [ 29.738672] exit_signals+0x1c/0x300 # [ 29.742942] do_exit+0xc2/0xab0 # [ 29.746735] ? ksys_write+0x68/0xf0 # [ 29.750918] make_task_dead+0x2f/0x30 # [ 29.755294] rewind_stack_and_make_dead+0x17/0x20 # [ 29.760834] RIP: 0033:0x7fc43e28f473 # [ 29.765112] 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 # [ 29.786388] RSP: 002b:00007ffce2892ec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 29.795135] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007fc43e28f473 # [ 29.803394] RDX: 000000000000000d RSI: 00007fc43e183000 RDI: 0000000000000001 # [ 29.811654] RBP: 00007fc43e183000 R08: 00007fc43e182010 R09: 0000000000000000 # [ 29.819913] R10: fffffffffffffbc5 R11: 0000000000000246 R12:<6>[ 39.831492] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE <6>[ 39.843494] lkdtm: attempting bad refcount_dec_and_test() below zero <4>[ 39.850891] ------------[ cut here ]------------ <4>[ 39.856374] refcount_t: underflow; use-after-free. <4>[ 39.862053] WARNING: CPU: 3 PID: 2217 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 0000000000000001 # [ 29.828173] R13: 0000000000000001 R14: 0<4>[ 39.871785] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 39.930742] CPU: 3 PID: 2217 Comm: cat Tainted: G D W 5.10.199-cip39 #1 <4>[ 39.939686] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 39.946788] RIP: 0010:refcount_warn_saturate+0xba/0x110 <4>[ 39.952917] Code: 02 01 e8 8b e6 c5 00 0f 0b c3 cc cc cc cc 80 3d fe ff 16 02 00 75 85 48 c7 c7 20 cb cd 9a c6 05 ee ff 16 02 01 e8 68 e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d d9 ff 16 02 00 0f 85 5e ff ff ff 48 c7 <4>[ 39.974196] RSP: 0018:ffffa5c402b47e40 EFLAGS: 00010286 <4>[ 39.980341] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 <4>[ 39.988606] RDX: ffff98f13adac620 RSI: ffff98f13ad9bf50 RDI: ffff98f13ad9bf50 <4>[ 39.996870] RBP: ffffffff9ad81b38 R08: 0000000000000000 R09: 0000000000000000 <4>[ 40.005133] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f <4>[ 40.013398] R13: ffffa5c402b47f10 R14: ffffa5c402b47f10 R15: ffff98f0c2d53000 <4>[ 40.021663] FS: 00007f5daabc0580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000 <4>[ 40.030998] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 40.037708] CR2: 00007f5daa9ca000 CR3: 00000001027be006 CR4: 00000000003706e0 <4>[ 40.045972] Call Trace: <4>[ 40.048997] ? __warn+0x80/0x110 <4>[ 40.052924] ? refcount_warn_saturate+0xba/0x110 <4>[ 40.058375] ? report_bug+0x9e/0xc0 <4>[ 40.062611] ? handle_bug+0x41/0x90 <4>[ 40.066826] ? exc_invalid_op+0x14/0x70 <4>[ 40.071401] ? asm_exc_invalid_op+0x12/0x20 <4>[ 40.076382] ? refcount_warn_saturate+0xba/0x110 <4>[ 40.081866] __refcount_sub_and_test.constprop.0+0x3c/0x50 <4>[ 40.088336] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 <4>[ 40.094853] direct_entry.cold+0x2c/0x38 <4>[ 40.099526] full_proxy_write+0x53/0x80 <4>[ 40.104105] vfs_write+0xe7/0x3b0 <4>[ 40.108127] ksys_write+0x68/0xf0 <4>[ 40.112121] do_syscall_64+0x30/0x40 <4>[ 40.116434] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 40.122370] RIP: 0033:0x7f5daaad6473 <4>[ 40.126685] 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>[ 40.147964] RSP: 002b:00007ffd514f8618 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 40.156714] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f5daaad6473 <4>[ 40.164985] RDX: 000000000000001f RSI: 00007f5daa9ca000 RDI: 0000000000000001 <4>[ 40.173282] RBP: 00007f5daa9ca000 R08: 00007f5daa9c9010 R09: 0000000000000000 <4>[ 40.181545] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 40.189810] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 40.198080] irq event stamp: 0 <4>[ 40.201809] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 40.209105] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 40.218536] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 40.227965] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 40.235259] ---[ end trace 2116846283a514ad ]--- <6>[ 40.240708] lkdtm: Negative detected: saturated 000000000020000 R15: 0000000000020000 # EXEC_KMALLOC: saw 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # selftests: lkdtm: EXEC_VMALLOC.sh # Killed # [ 29.920482] lkdtm: Performing direct entry EXEC_VMALLOC # [ 29.929629] lkdtm: attempting ok execution at ffffffff9977b980 # [ 29.942647] lkdtm: attempting bad execution at ffffa5c400375000 # [ 29.955765] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 29.970629] BUG: unable to handle page fault for address: ffffa5c400375000 # [ 29.978599] #PF: supervisor instruction fetch in kernel mode # [ 29.985207] #PF: error_code(0x0011) - permissions violation # [ 29.991721] PGD 100000067 P4D 100000067 PUD 100244067 PMD 100a10067 PTE 80000001065e9063 # [ 30.001056] Oops: 0011 [#8] SMP PTI # [ 30.011450] CPU: 1 PID: 1686 Comm: cat Tainted: G D W 5.10.199-cip39 #1 # [ 30.020390] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 30.027486] RIP: 0010:0xffffa5c400375000 # [ 30.032154] Code: Unable to access opcode bytes at RIP 0xffffa5c400374fd6. # [ 30.040115] RSP: 0018:ffffa5c402307e38 EFLAGS: 00010246 # [ 30.046231] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 30.054482] RDX: 0000000000000000 RSI: ffff98f13ac9bf50 RDI: ffff98f13ac9bf50 # [ 30.062741] RBP: ffffa5c400375000 R08: 0000000000000000 R09: 0000000000000000 # [ 30.071000] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 30.079259] R13: ffffa5c402307f10 R14: ffffa5c402307f10 R15: ffff98f0c65e9000 # [ 30.087519] FS: 00007fa196809580(0000) GS:ffff98f13ac80000(0000) knlGS:0000000000000000 # [ 30.096848] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 30.103546] CR2: ffffa5c400374fd6 CR3: 0000000102bd4001 CR4: 00000000003706e0 # [ 30.111806] Call Trace: # [ 30.114827] ? __die_body.cold+0x1a/0x1f # [ 30.119495] ? no_context+0x177/0x380 # [ 30.130086] ? exc_page_fault+0xd7/0x170 # [ 30.134754] ? asm_exc_page_fault+0x1e/0x30 # [ 30.145929] ? execute_location+0x45/0x56 # [ 30.156909] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 30.161869] ? direct_entry.cold+0x2c/0x38 # [ 30.166734] ? full_proxy_write+0x53/0x80 # [ 30.171500] ? vfs_write+0xe7/0x3b0 # [ 30.181893] ? ksys_write+0x68/0xf0 # [ 30.186069] ? do_syscall_64+0x30/0x40 # [ 30.190542] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 30.196669] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 30.255620] CR2: ffffa5c400375000 # [ 30.259609] ---[ end trace 2116846283a5149e ]--- # [ 30.265054] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 30.269721] Code: 89 ff e8 1e dc 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 00 67 0b 03 # [ 30.290995] RSP: 0018:ffffa5c40133fe60 EFLAGS: 00010282 # [ 30.297110] RAX: ffffffff9977b5b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 30.305382] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9a8f7db0 # [ 30.313643] RBP: ffffffff9ade7fb8 R08: 0000000000000001 R09: 0000000000000001 # [ 30.321902] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 30.330163] R13: ffffa5c40133ff10 R14: ffffa5c40133ff10 R15: ffff98f0c6d8f000 # [ 30.338422] FS: 00007fa196809580(0000) GS:ffff98f13ac80000(0000) knlGS:0000000000000000 # [ 30.347751] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 30.354456] CR2: ffffa5c400374fd6 CR3: 0000000102bd4001 CR4: 00000000003706e0 # EXEC_VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh # Killed # [ 30.443506] lkdtm: Performing direct entry EXEC_RODATA # [ 30.455765] lkdtm: attempting ok execution at ffffffff9977b980 # [ 30.462582] lkdtm: attempting bad execution at ffffffff9a8f8240 # [ 30.469516] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 30.484370] BUG: unable to handle page fault for address: ffffffff9a8f8240 # [ 30.492341] #PF: supervisor instruction fetch in kernel mode # [ 30.498950] #PF: error_code(0x0011) - permissions violation # [ 30.505461] PGD 33c29067 P4D 33c29067 PUD 33c2a063 PMD 80000000334000e1 # [ 30.513230] Oops: 0011 [#9] SMP PTI # [ 30.517412] CPU: 3 PID: 1723 Comm: cat Tainted: G D W 5.10.199-cip39 #1 # [ 30.526351] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 30.533450] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 30.539477] Code: ff ff e2 fb e5 99 ff ff ff ff 62 20 d8 9a ff ff ff ff 28 e3 e5 99 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 # [ 30.560742] RSP: 0018:ffffa5c40238fe48 EFLAGS: 00010246 # [ 30.566866] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 30.575125] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffff98f13ad9bf50 # [ 30.583388] RBP: ffffffff9a8f8240 R08: 0000000000000000 R09: 0000000000000000 # [ 30.591648] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 30.599907] R13: ffffa5c40238ff10 R14: ffffa5c40238ff10 R15: ffff98f0c2b9e000 # [ 30.608166] FS: 00007f2fc7a62580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000 # [ 30.617494] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 30.624199] CR2: ffffffff9a8f8240 CR3: 0000000102d10005 CR4: 00000000003706e0 # [ 30.632459] Call Trace: # [ 30.635479] ? __die_body.cold+0x1a/0x1f # [ 30.640148] ? no_context+0x177/0x380 # [ 30.644528] ? exc_page_fault+0xd7/0x170 # [ 30.649196] ? asm_exc_page_fault+0x1e/0x30 # [ 30.654151] ? execute_location+0x45/0x56 # [ 30.658914] ? direct_entry.cold+0x2c/0x38 # [ 30.663777] ? full_proxy_write+0x53/0x80 # [ 30.668535] ? vfs_write+0xe7/0x3b0 # [ 30.672716] ? ksys_write+0x68/0xf0 # [ 30.676898] ? do_syscall_64+0x30/0x40 # [ 30.681385] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 30.687516] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 30.746505] CR2: ffffffff9a8f8240 # [ 30.750484] ---[ end trace 2116846283a5149f ]--- # [ 30.755930] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 30.760597] Code: 89 ff e8 1e dc 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 00 67 0b 03 # [ 30.781871] RSP: 0018:ffffa5c40133fe60 EFLAGS: 00010282 # [ 30.787995] RAX: ffffffff9977b5b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 30.796254] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9a8f7db0 # [ 30.804514] RBP: ffffffff9ade7fb8 R08: 0000000000000001 R09: 0000000000000001 # [ 30.812774] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 30.821032] R13: ffffa5c40133ff10 R14: ffffa5c40133ff10 R15: ffff98f0c6d8f000 # [ 30.829294] FS: 00007f2fc7a62580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000 # [ 30.838622] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 30.845329] CR2: ffffffff9a8f8240 CR3: 0000000102d10005 CR4: 00000000003706e0 # [ 30.853590] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 30.863784] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1723, name: cat # [ 30.872530] INFO: lockdep is turned off. # [ 30.877197] irq event stamp: 0 # [ 30.880893] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 30.888182] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 30.897608] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 30.907035] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 30.914336] CPU: 3 PID: 1723 Comm: cat Tainted: G D W 5.10.199-cip39 #1 # [ 30.923276] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 30.930390] Call Trace: # [ 30.933408] dump_stack+0x77/0x9b # [ 30.937397] ___might_sleep.cold+0xa6/0xb6 # [ 30.942261] exit_signals+0x1c/0x300 # [ 30.946542] do_exit+0xc2/0xab0 # [ 30.950338] ? ksys_write+0x68/0xf0 # [ 30.954521] make_task_dead+0x2f/0x30 # [ 30.958897] rewind_stack_and_make_dead+0x17/0x20 # [ 30.964438] RIP: 0033:0x7f2fc7978473 # [ 30.968717] 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 # [ 30.989989] RSP: 002b:00007ffc441e0858 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 30.998735] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f2fc7978473 # [ 31.006994] RDX: 000000000000000c RSI: 00007f2fc786c000 RDI: 0000<6>[ 41.221954] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE 000000000001 # [ 31.015253] RBP: 00007f2fc786c000 R08: 00007f<6>[ 41.230020] lkdtm: attempting bad refcount_sub_and_test() below zero 2fc786b010 R09: 0000000000000000 # [ 31.023514] R10: ffffffff<4>[ 41.243625] ------------[ cut here ]------------ fffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 31.0<4>[ 41.255294] refcount_t: underflow; use-after-free. 31773] R13: 0000000000000001 R14: 0000000000020000 R15: 00000000<4>[ 41.267176] WARNING: CPU: 0 PID: 2253 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 00020000 # EXEC_RODATA: saw 'call trace:': ok ok 34 selftests:<4>[ 41.283075] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table lkdtm: EXEC_RODATA.sh # selftests: lkdtm: EXEC_USERSPACE.sh #<4>[ 41.342034] CPU: 0 PID: 2253 Comm: cat Tainted: G D W 5.10.199-cip39 #1 Killed # [ 31.135150] lkdtm: Performing direct entry EXEC_US<4>[ 41.357211] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 ERSPACE # [ 31.145874] lkdtm: attempting ok execution at ffff<4>[ 41.370492] RIP: 0010:refcount_warn_saturate+0xba/0x110 ffff9977b980 # [ 31.158906] lkdtm: attempting bad execution a<4>[ 41.382880] Code: 02 01 e8 8b e6 c5 00 0f 0b c3 cc cc cc cc 80 3d fe ff 16 02 00 75 85 48 c7 c7 20 cb cd 9a c6 05 ee ff 16 02 01 e8 68 e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d d9 ff 16 02 00 0f 85 5e ff ff ff 48 c7 t 00007f344bc97000 # [ 31.172027] unable to execute userspace<4>[ 41.410357] RSP: 0018:ffffa5c402befe40 EFLAGS: 00010286 code (SMEP?) (uid: 0) # [ 31.184903] BUG: unable to handle p<4>[ 41.422716] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 age fault for address: 00007f344bc97000 # [ 31.192874] #PF: s<4>[ 41.437203] RDX: ffff98f13ac2c620 RSI: ffff98f13ac1bf50 RDI: ffff98f13ac1bf50 upervisor instruction fetch in kernel mode # [ 31.199484] #PF<4>[ 41.451700] RBP: ffffffff9ad81b58 R08: 0000000000000000 R09: 0000000000000000 : error_code(0x0011) - permissions violation # [ 31.205996] P<4>[ 41.466144] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f GD 8000000106e42067 P4D 8000000106e42067 PUD 102bcc067 PMD 102d4<4>[ 41.480665] R13: ffffa5c402beff10 R14: ffffa5c402beff10 R15: ffff98f0c4815000 4067 PTE 10ae03067 # [ 31.216012] Oops: 0011 [#10] SMP PTI #<4>[ 41.495136] FS: 00007f7cba3bf580(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000 [ 31.220293] CPU: 0 PID: 1760 Comm: cat Tainted: G D W <4>[ 41.510671] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 5.10.199-cip39 #1 # [ 31.229224] Hardware name: Google<4>[ 41.523651] CR2: 00007f7cba1c9000 CR3: 0000000106efe002 CR4: 00000000003706f0 Rammus/Rammus, BIOS 09/04/2020 # [ 31.236340] RIP: 0010:0x7<4>[ 41.538084] Call Trace: f344bc97000 # [ 31.240617] Code: Unable to access opcode byte<4>[ 41.547384] ? __warn+0x80/0x110 s at RIP 0x7f344bc96fd6. # [ 31.248198] RSP: 0018:ffffa5c4024<4>[ 41.557432] ? refcount_warn_saturate+0xba/0x110 2fe50 EFLAGS: 00010246 # [ 31.254336] RAX: 0000000000000033 R<4>[ 41.569126] ? report_bug+0x9e/0xc0 BX: 0000000000000024 RCX: 0000000000000000 # [ 31.262597] RDX<4>[ 41.579494] ? handle_bug+0x41/0x90 : 0000000000000000 RSI: ffff98f13ac1bf50 RDI: ffff98f13ac1bf50 <4>[ 41.589921] ? exc_invalid_op+0x14/0x70 # [ 31.270858] RBP: 00007f344bc97000 R08: 0000000000000000 R09<4>[ 41.600693] ? asm_exc_invalid_op+0x12/0x20 : 0000000000000000 # [ 31.279119] R10: 00000000ffffe000 R11: <4>[ 41.611887] ? refcount_warn_saturate+0xba/0x110 3fffffffffffffff R12: 000000000000000f # [ 31.287382] R13: ff<4>[ 41.623537] __refcount_sub_and_test.constprop.0+0x3c/0x50 ffa5c40242ff10 R14: ffffa5c40242ff10 R15: ffff98f0c2ebb000 # [ <4>[ 41.636182] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b 31.295643] FS: 00007f344bc68580(0000) GS:ffff98f13ac00000(000<4>[ 41.648903] direct_entry.cold+0x2c/0x38 0) knlGS:0000000000000000 # [ 31.304971] CS: 0010 DS: 0000 E<4>[ 41.659812] full_proxy_write+0x53/0x80 S: 0000 CR0: 0000000080050033 # [ 31.311677] CR2: 00007f344bc<4>[ 41.670586] vfs_write+0xe7/0x3b0 97000 CR3: 0000000104996003 CR4: 00000000003706f0 # [ 31.3199<4>[ 41.680810] ksys_write+0x68/0xf0 36] Call Trace: # [ 31.322956] ? __die_body.cold+0x1a/0x1f <4>[ 41.691003] do_syscall_64+0x30/0x40 # [ 31.327631] ? no_context+0x177/0x380 # [ 31.332010] ? <4>[ 41.701508] entry_SYSCALL_64_after_hwframe+0x62/0xc7 exc_page_fault+0x53/0x170 # [ 31.336683] ? asm_exc_page_faul<4>[ 41.713651] RIP: 0033:0x7f7cba2d5473 t+0x1e/0x30 # [ 31.341640] ? lkdtm_EXEC_USERSPACE.cold+0x66/<4>[ 41.724159] 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 0xae # [ 31.347286] ? direct_entry.cold+0x2c/0x38 # [ 31.<4>[ 41.751640] RSP: 002b:00007ffebe8aa398 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 352158] ? full_proxy_write+0x53/0x80 # [ 31.356930] ? vfs_w<4>[ 41.766632] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f7cba2d5473 rite+0xe7/0x3b0 # [ 31.361111] ? ksys_write+0x68/0xf0 # [ <4>[ 41.781095] RDX: 000000000000001f RSI: 00007f7cba1c9000 RDI: 0000000000000001 31.365294] ? do_syscall_64+0x30/0x40 # [ 31.369760] ? entr<4>[ 41.795585] RBP: 00007f7cba1c9000 R08: 00007f7cba1c8010 R09: 0000000000000000 y_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 31.375887] Modules l<4>[ 41.810053] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 inked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvi<4>[ 41.824526] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 deo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggere<4>[ 41.839006] irq event stamp: 0 <4>[ 41.848906] hardirqs last enabled at (0): [<0000000000000000>] 0x0 d_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio <4>[ 41.856208] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_e<4>[ 41.871862] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 c_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pc<4>[ 41.887502] softirqs last disabled at (0): [<0000000000000000>] 0x0 m_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_te<4>[ 41.901022] ---[ end trace 2116846283a514ae ]--- mp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_<6>[ 41.912678] lkdtm: Negative detected: saturated usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 31.428656] CR2: 00007f344bc97000 # [ 31.432645] ---[ end trace 2116846283a514a0 ]--- # [ 31.438082] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 31.442743] Code: 89 ff e8 1e dc 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 00 67 0b 03 # [ 31.464008] RSP: 0018:ffffa5c40133fe60 EFLAGS: 00010282 # [ 31.470133] RAX: ffffffff9977b5b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 31.478392] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9a8f7db0 # [ 31.486650] RBP: ffffffff9ade7fb8 R08: 0000000000000001 R09: 0000000000000001 # [ 31.494910] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 31.503169] R13: ffffa5c40133ff10 R14: ffffa5c40133ff10 R15: ffff98f0c6d8f000 # [ 31.511429] FS: 00007f344bc68580(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000 # [ 31.520757] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 31.527462] CR2: 00007f344bc97000 CR3: 0000000104996003 CR4: 0000000000370<6>[ 42.031222] lkdtm: Performing direct entry REFCOUNT_INC_ZERO 6f0 # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftests: l<6>[ 42.042723] lkdtm: attempting safe refcount_inc_not_zero() from zero kdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh # Kil<6>[ 42.056345] lkdtm: Good: zero detected led # [ 31.630719] lkdtm: Performing direct entry EXEC_NULL <6>[ 42.067037] lkdtm: Correctly stayed at zero # [ 31.641080] lkdtm: attempting ok execution at ffffffff9977b<6>[ 42.078214] lkdtm: attempting bad refcount_inc() from zero 980 # [ 31.654099] lkdtm: attempting bad execution at 0000000<4>[ 42.090850] ------------[ cut here ]------------ 000000000 # [ 31.667223] BUG: kernel NULL pointer dereference<4>[ 42.102512] refcount_t: addition on 0; use-after-free. , address: 0000000000000000 # [ 31.681489] #PF: supervisor in<4>[ 42.114792] WARNING: CPU: 1 PID: 2286 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 struction fetch in kernel mode # [ 31.688089] #PF: error_code<4>[ 42.130697] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table (0x0010) - not-present page # [ 31.694114] PGD 0 P4D 0 # [ <4>[ 42.189652] CPU: 1 PID: 2286 Comm: cat Tainted: G D W 5.10.199-cip39 #1 31.697229] Oops: 0010 [#11] SMP PTI # [ 31.701509] CPU: 0 P<4>[ 42.204810] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 ID: 1797 Comm: cat Tainted: G D W 5.10.199-cip39 #1<4>[ 42.218123] RIP: 0010:refcount_warn_saturate+0x74/0x110 <4>[ 42.230466] Code: 02 01 e8 d1 e6 c5 00 0f 0b c3 cc cc cc cc 80 3d 45 00 17 02 00 75 cb 48 c7 c7 f0 ca cd 9a c6 05 35 00 17 02 01 e8 ae e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 24 00 17 02 00 75 a8 48 c7 c7 c8 ca cd # [ 31.710439] Hardware name: Google Rammus/Rammus, BIOS 09<4>[ 42.251764] RSP: 0018:ffffa5c402c7fe48 EFLAGS: 00010286 /04/2020 # [ 31.717536] RIP: 0010:0x0 # [ 31.720748] Code:<4>[ 42.264082] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 <4>[ 42.278556] RDX: ffff98f13acac620 RSI: ffff98f13ac9bf50 RDI: ffff98f13ac9bf50 Unable to access opcode bytes at RIP 0xffffffffffffffd6. # [ <4>[ 42.286821] RBP: ffffffff9ad81ef9 R08: 0000000000000000 R09: 0000000000000000 <4>[ 42.301294] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 31.728716] RSP: 0018:ffffa5c4024dfe48 EFLAGS: 00010246 # [ 3<4>[ 42.309556] R13: ffffa5c402c7ff10 R14: ffffa5c402c7ff10 R15: ffff98f0c5a05000 <4>[ 42.324030] FS: 00007f9cc7576580(0000) GS:ffff98f13ac80000(0000) knlGS:0000000000000000 1.734841] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 00000<4>[ 42.333363] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 42.346280] CR2: 00007f9cc7380000 CR3: 00000001038c6005 CR4: 00000000003706e0 <4>[ 42.354545] Call Trace: 00000000000 # [ 31.743100] RDX: 0000000000000000 RSI: ffff98f<4>[ 42.357569] ? __warn+0x80/0x110 <4>[ 42.367675] ? refcount_warn_saturate+0x74/0x110 13ac1bf50 RDI: ffff98f13ac1bf50 # [ 31.751379] RBP: 000000000<4>[ 42.373126] ? report_bug+0x9e/0xc0 0000000 R08: 0000000000000000 R09: 0000000000000000 # [ 31.75<4>[ 42.383520] ? handle_bug+0x41/0x90 <4>[ 42.393920] ? exc_invalid_op+0x14/0x70 9639] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000<4>[ 42.398519] ? asm_exc_invalid_op+0x12/0x20 000000a # [ 31.767898] R13: ffffa5c4024dff10 R14: ffffa5c4024<4>[ 42.409694] ? refcount_warn_saturate+0x74/0x110 dff10 R15: ffff98f0c2d23000 # [ 31.776157] FS: 00007f72e0953<4>[ 42.421355] ? refcount_warn_saturate+0x74/0x110 <4>[ 42.433018] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 580(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000 # [ <4>[ 42.438273] direct_entry.cold+0x2c/0x38 31.785485] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 42.449155] full_proxy_write+0x53/0x80 # [ 31.792191] CR2: ffffffffffffffd6 CR3: 00000001053b2004 CR4<4>[ 42.459945] vfs_write+0xe7/0x3b0 : 00000000003706f0 # [ 31.800451] Call Trace: # [ 31.80347<4>[ 42.470155] ksys_write+0x68/0xf0 <4>[ 42.480374] do_syscall_64+0x30/0x40 1] ? __die_body.cold+0x1a/0x1f # [ 31.808145] ? no_context+<4>[ 42.484686] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 42.496826] RIP: 0033:0x7f9cc748c473 0x177/0x380 # [ 31.812530] ? exc_page_fault+0x53/0x170 # [ <4>[ 42.501109] 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>[ 42.528591] RSP: 002b:00007ffc12308fd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 31.817202] ? asm_exc_page_fault+0x1e/0x30 # [ 31.822166] <4>[ 42.537343] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f9cc748c473 <4>[ 42.551814] RDX: 0000000000000012 RSI: 00007f9cc7380000 RDI: 0000000000000001 execute_location+0x45/0x56 # [ 31.826743] direct_entry.cold+<4>[ 42.560078] RBP: 00007f9cc7380000 R08: 00007f9cc737f010 R09: 0000000000000000 <4>[ 42.574551] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 0x2c/0x38 # [ 31.831412] full_proxy_write+0x53/0x80 # [ 3<4>[ 42.582815] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 1.835990] vfs_write+0xe7/0x3b0 # [ 31.839979] ksys_write+0x<4>[ 42.597292] irq event stamp: 0 <4>[ 42.607202] hardirqs last enabled at (0): [<0000000000000000>] 0x0 68/0xf0 # [ 31.843969] do_syscall_64+0x30/0x40 # [ 31.848<4>[ 42.614497] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 42.630134] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 240] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 31.854160]<4>[ 42.639565] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 42.653066] ---[ end trace 2116846283a514af ]--- RIP: 0033:0x7f72e0869473 # [ 31.858440] Code: 8b 15 21 2a 0e<6>[ 42.658514] lkdtm: Zero detected: saturated 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 31.879705] RSP: 002b:00007ffe31b8c028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 31.888450] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f72e0869473 # [ 31.896711] RDX: 000000000000000a RSI: 00007f72e075d000 RDI: 0000000000000001 # [ 31.904971] RBP: 00007f72e075d000 R08: 00007f72e075c010 R09: 0000000000000000 # [ 31.913222] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 31.921481] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 31.929745] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i<6>[ 42.780039] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO <6>[ 42.788381] lkdtm: attempting safe refcount_add_not_zero() from zero <6>[ 42.795773] lkdtm: Good: zero detected 2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight <6>[ 42.800284] lkdtm: Correctly stayed at zero <6>[ 42.811461] lkdtm: attempting bad refcount_add() from zero <4>[ 42.817879] ------------[ cut here ]------------ <4>[ 42.823340] refcount_t: addition on 0; use-after-free. <4>[ 42.829401] WARNING: CPU: 3 PID: 2319 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 coreboot_table # [ 31.982514] CR2: 0000000000000000 # [ 31<4>[ 42.839128] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 42.898100] CPU: 3 PID: 2319 Comm: cat Tainted: G D W 5.10.199-cip39 #1 .986493] ---[ end trace 2116846283a514a1 ]--- # [ 31.991940] <4>[ 42.907059] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 42.920363] RIP: 0010:refcount_warn_saturate+0x74/0x110 <4>[ 42.926517] Code: 02 01 e8 d1 e6 c5 00 0f 0b c3 cc cc cc cc 80 3d 45 00 17 02 00 75 cb 48 c7 c7 f0 ca cd 9a c6 05 35 00 17 02 01 e8 ae e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 24 00 17 02 00 75 a8 48 c7 c7 c8 ca cd <4>[ 42.947791] RSP: 0018:ffffa5c402d27e48 EFLAGS: 00010286 <4>[ 42.953917] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 <4>[ 42.962178] RDX: ffff98f13adac620 RSI: ffff98f13ad9bf50 RDI: ffff98f13ad9bf50 <4>[ 42.970431] RBP: ffffffff9ad81f0b R08: 0000000000000000 R09: 0000000000000000 <4>[ 42.978692] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 <4>[ 42.986946] R13: ffffa5c402d27f10 R14: ffffa5c402d27f10 R15: ffff98f0c2e99000 <4>[ 42.995210] FS: 00007f793373b580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000 <4>[ 43.004541] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 43.011249] CR2: 00007f7933545000 CR3: 0000000102eda004 CR4: 00000000003706e0 <4>[ 43.019512] Call Trace: <4>[ 43.022535] ? __warn+0x80/0x110 RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 31.996608] Code: 89 ff e8 1e<4>[ 43.026456] ? refcount_warn_saturate+0x74/0x110 <4>[ 43.038113] ? report_bug+0x9e/0xc0 <4>[ 43.042299] ? handle_bug+0x41/0x90 <4>[ 43.046507] ? exc_invalid_op+0x14/0x70 <4>[ 43.051081] ? asm_exc_invalid_op+0x12/0x20 <4>[ 43.056046] ? refcount_warn_saturate+0x74/0x110 <4>[ 43.061524] ? refcount_warn_saturate+0x74/0x110 dc 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc <4>[ 43.066975] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 <4>[ 43.078440] direct_entry.cold+0x2c/0x38 <4>[ 43.083116] full_proxy_write+0x53/0x80 <4>[ 43.087722] vfs_write+0xe7/0x3b0 <4>[ 43.091716] ksys_write+0x68/0xf0 <4>[ 43.095739] do_syscall_64+0x30/0x40 <4>[ 43.100024] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 43.105957] RIP: 0033:0x7f7933651473 <4>[ 43.110241] 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>[ 43.131517] RSP: 002b:00007ffe556881b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 43.140267] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f7933651473 <4>[ 43.148532] RDX: 0000000000000012 RSI: 00007f7933545000 RDI: 0000000000000001 <4>[ 43.156796] RBP: 00007f7933545000 R08: 00007f7933544010 R09: 0000000000000000 <4>[ 43.165061] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 43.173344] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 43.181614] irq event stamp: 0 <4>[ 43.185344] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 43.192637] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 43.202067] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 43.211496] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 43.218788] ---[ end trace 2116846283a514b0 ]--- <6>[ 43.224235] lkdtm: Zero detected: saturated 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 00 67 0b 03 # [ 32.017881] RSP: 0018:ffffa5c40133fe60 EFLAGS: 00010282 # [ 32.023995] RAX: ffffffff9977b5b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 32.032254] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9a8f7db0 # [ 32.040513] RBP: ffffffff9ade7fb8 R08: 0000000000000001 R09: 0000000000000001 # [ 32.048772] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 32.057032] R13: ffffa5c40133ff10 R14: ffffa5c40133ff10 R15: ffff98f0c6d8f000 # [ 32.065292] FS: 00007f72e0953580(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000 # [ 32.074618] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 32.081323] CR2: ffffffffffffffd6 CR3: 00000001053b2004 CR4: 00000000003706f0 # [ 32.089582] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 32.099784] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1797, name: cat # [ 32.108530] INFO: lockdep is turned off. # [ 32.113196] irq event stamp: 0 # [ 32.116893] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 32.124174]<6>[ 43.346691] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED <6>[ 43.354429] lkdtm: attempting bad refcount_inc() from saturated <4>[ 43.361385] ------------[ cut here ]------------ <4>[ 43.366844] refcount_t: saturated; leaking memory. <4>[ 43.372505] WARNING: CPU: 2 PID: 2355 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 hardirqs last disabled at (0): [] copy_proces<4>[ 43.382231] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 43.441242] CPU: 2 PID: 2355 Comm: cat Tainted: G D W 5.10.199-cip39 #1 s+0x65c/0x20e0 # [ 32.133602] softirqs last enabled at (0): <4>[ 43.450199] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 43.463505] RIP: 0010:refcount_warn_saturate+0x51/0x110 <4>[ 43.469657] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 69 00 17 02 00 75 ee 48 c7 c7 c8 ca cd 9a c6 05 59 00 17 02 01 e8 d1 e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 45 00 17 02 00 75 cb 48 c7 c7 f0 ca cd <4>[ 43.490934] RSP: 0018:ffffa5c402db7e48 EFLAGS: 00010286 <4>[ 43.497062] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 [] copy_process+0x65c/0x20e0 # [ 32.143017]<4>[ 43.505348] RDX: ffff98f13ad2c620 RSI: ffff98f13ad1bf50 RDI: ffff98f13ad1bf50 <4>[ 43.519828] RBP: ffffffff9ad81f1d R08: 0000000000000000 R09: 0000000000000000 <4>[ 43.528092] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 <4>[ 43.536356] R13: ffffa5c402db7f10 R14: ffffa5c402db7f10 R15: ffff98f0c2b06000 <4>[ 43.544641] FS: 00007f48d5f5f580(0000) GS:ffff98f13ad00000(0000) knlGS:0000000000000000 <4>[ 43.553972] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 43.560681] CR2: 00007f48d5d69000 CR3: 0000000102efa005 CR4: 00000000003706e0 <4>[ 43.568943] Call Trace: <4>[ 43.571966] ? __warn+0x80/0x110 <4>[ 43.575865] ? refcount_warn_saturate+0x51/0x110 <4>[ 43.581331] ? report_bug+0x9e/0xc0 softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ <4>[ 43.585527] ? handle_bug+0x41/0x90 <4>[ 43.595920] ? exc_invalid_op+0x14/0x70 <4>[ 43.600496] ? asm_exc_invalid_op+0x12/0x20 <4>[ 43.605463] ? refcount_warn_saturate+0x51/0x110 32.150307] CPU: 0 PID: 1797 Comm: cat Tainted: G D W <4>[ 43.610938] ? refcount_warn_saturate+0x51/0x110 <4>[ 43.622595] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 5.10.199-cip39 #1 # [ 32.159244] Hardware name: Google Ramm<4>[ 43.628362] direct_entry.cold+0x2c/0x38 <4>[ 43.639247] full_proxy_write+0x53/0x80 <4>[ 43.643845] vfs_write+0xe7/0x3b0 <4>[ 43.647862] ksys_write+0x68/0xf0 <4>[ 43.651853] do_syscall_64+0x30/0x40 <4>[ 43.656136] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 43.662070] RIP: 0033:0x7f48d5e75473 <4>[ 43.666352] 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>[ 43.687628] RSP: 002b:00007ffcef9d23d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 43.696389] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f48d5e75473 <4>[ 43.704652] RDX: 0000000000000017 RSI: 00007f48d5d69000 RDI: 0000000000000001 <4>[ 43.712916] RBP: 00007f48d5d69000 R08: 00007f48d5d68010 R09: 0000000000000000 <4>[ 43.721177] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 43.729440] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 43.737707] irq event stamp: 0 <4>[ 43.741436] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 43.748728] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 43.758158] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 43.767584] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 43.774876] ---[ end trace 2116846283a514b1 ]--- <6>[ 43.780339] lkdtm: Saturation detected: still saturated us/Rammus, BIOS 09/04/2020 # [ 32.166338] Call Trace: # [ 32.169357] dump_stack+0x77/0x9b # [ 32.173353] ___might_sleep.cold+0xa6/0xb6 # [ 32.178222] exit_signals+0x1c/0x300 # [ 32.182507] do_exit+0xc2/0xab0 # [ 32.186292] ? ksys_write+0x68/0xf0 # [ 32.190468] make_task_dead+0x2f/0x30 # [ 32.194847] rewind_stack_and_make_dead+0x17/0x20 # [ 32.200389] RIP: 0033:0x7f72e0869473 # [ 32.204658] 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 # [ 32.225929] RSP: 002b:00007ffe31b8c028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 32.234674] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f72e0869473 # [ 32.242934] RDX: 000000000000000a RSI: 00007f72e075d000 RDI: 0000000000000001 # [ 32.251194] RBP: 00007f72e075d000 R08: 00007f72e075c010 R09: 0000000000000000 # [ 32.259452] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 32.267711] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_NULL: saw 'call trace:': ok ok 36 selftests: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.sh # Killed # [ 32.375635] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 32.388190] lkdtm: attempting bad read at 00007f97ad741000 # [ 32.394629] BUG: unable to handle page fault for address: 00007f97ad741000 # [ 32.408797] #PF: supervisor read access in kernel mode # [ 32.414824] #PF: error_code(0x0001) - permissions violation # [ 32.421336] PGD 8000000106f59067 P4D 8000000106f59067 PUD 102e09067 PMD 102bcc067 PTE 10b8e4067 # [ 32.431351] Oops: 0001 [#12] SMP PTI # [ 32.435622] CPU: 3 PID: 1833 Comm: cat Tainted: G D W 5.10.199-cip39 #1 # [ 32.444561] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 32.451658] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 32.458172] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 80 2d d8 9a e8 28 d8 fb ff 48 c7 c7 a8 2d d8 9a b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 0f d8 fb ff 48 89 ee 48 c7 c7 d0 2d d8 # [ 32.479444] RSP: 0018:ffffa5c402557e48 EFLAGS: 00010246 # [ 32.485569] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 # [ 32.493829] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9ad82da8 # [ 32.502088] RBP: 00007f97ad741000 R08: 0000000000000000 R09: 0000000000000000 # [ 32.510348] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 # [ 32.518609] R13: ffffa5c402557f10 R14: ffffa5c402557f10 R15: ffff98f0c2f3d000 # [ 32.526869] FS: 00007f97ad712580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000 # [ 32.536197] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 32.542903] CR2: 00007f97ad741000 CR3: 0000000104816005 CR4: 00000000003706e0 # [ 32.551161] Call Trace: # [ 32.554182] ? __die_body.cold+0x1a/0x1f # [ 32.558852] ? no_context+0x177/0x380 # [ 32.563230] ? exc_page_fault+0x53/0x170 # [ 32.567899] ? asm_exc_page_fault+0x1e/0x30 # [ 32.572861] ? lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 32.578695] ? lkdtm_ACCESS_USERSPACE.cold+0x35/0xa3 # [ 32.584519] direct_entry.cold+0x2c/0x38 # [ 32.589181] full_proxy_write+0x53/0x80 # [ 32.593755] vfs_write+0xe7/0x3b0 # [ 32.603954] ksys_write+0x68/0xf0 # [ 32.607943] do_syscall_64+0x30/0x40 # [ 32.612224] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 32.618146] RIP: 0033:0x7f97ad628473 # [ 32.622417] 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 # [ 32.643682] RSP: 002b:00007ffca33aeed8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 32.652420] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f97ad628473 # [ 32.660681] RDX: 0000000000000011 RSI: 00007f97ad51c000 RDI: 0000000000000001 # [ 32.668931] RBP: 00007f97ad51c000 R08: 00007f97ad51b010 R09: 0000000000000000 # [ 32.677191] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 32.685450] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 32.693712] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 32.752701] CR2: 00007f97ad741000 # [ 32.756689] ---[ end trace 2116846283a514a2 ]--- # [ 32.762127] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 32.766794] Code: 89 ff e8 1e dc 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 00 67 0b 03 # [ 32.788069] RSP: 0018:ffffa5c40133fe60 EFLAGS: 00010282 # [ 32.794185] RAX: ffffffff9977b5b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 32.802444] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9a8f7db0 # [ 32.810704] RBP: ffffffff9ade7fb8 R08: 0000000000000001 R09: 0000000000000001 # [ 32.818965] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 32.827225] R13: ffffa5c40133ff10 R14: ffffa5c40133ff10 R15: ffff98f0c6d8f000 # [ 32.835486] FS: 00007f97ad712580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000 # [ 32.844815] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 32.851520] CR2: 00007f97ad7<6>[ 44.364960] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED <6>[ 44.378018] lkdtm: attempting bad refcount_dec() from saturated 41000 CR3: 0000000104816005 CR4: 00000000003706e0 # ACCESS_USER<4>[ 44.384937] ------------[ cut here ]------------ <4>[ 44.396588] refcount_t: decrement hit 0; leaking memory. <4>[ 44.402843] WARNING: CPU: 2 PID: 2391 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 SPACE: saw 'call trace:': ok ok 37 selftests: lkdtm: ACCESS_USE<4>[ 44.412570] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 44.471526] CPU: 2 PID: 2391 Comm: cat Tainted: G D W 5.10.199-cip39 #1 <4>[ 44.480492] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 44.487595] RIP: 0010:refcount_warn_saturate+0xfb/0x110 <4>[ 44.493746] Code: 78 cb cd 9a c6 05 c5 ff 16 02 01 e8 41 e6 c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 48 cb cd 9a c6 05 ac ff 16 02 01 e8 27 e6 c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b <4>[ 44.515023] RSP: 0018:ffffa5c402cffe48 EFLAGS: 00010286 <4>[ 44.521151] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 <4>[ 44.529418] RDX: ffff98f13ad2c620 RSI: ffff98f13ad1bf50 RDI: ffff98f13ad1bf50 <4>[ 44.537683] RBP: ffffffff9ad81f34 R08: 0000000000000000 R09: 0000000000000000 <4>[ 44.545948] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 <4>[ 44.554211] R13: ffffa5c402cfff10 R14: ffffa5c402cfff10 R15: ffff98f0c29fe000 <4>[ 44.562474] FS: 00007fd8868b5580(0000) GS:ffff98f13ad00000(0000) knlGS:0000000000000000 <4>[ 44.571805] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 44.578515] CR2: 00007fd8866bf000 CR3: 0000000102bfc001 CR4: 00000000003706e0 <4>[ 44.586778] Call Trace: <4>[ 44.589803] ? __warn+0x80/0x110 RSPACE.sh # selftests: lkdtm: ACCESS_NULL.sh # Killed # [ 3<4>[ 44.593725] ? refcount_warn_saturate+0xfb/0x110 <4>[ 44.605385] ? report_bug+0x9e/0xc0 <4>[ 44.609602] ? handle_bug+0x41/0x90 <4>[ 44.613809] ? exc_invalid_op+0x14/0x70 <4>[ 44.618385] ? asm_exc_invalid_op+0x12/0x20 <4>[ 44.623405] ? refcount_warn_saturate+0xfb/0x110 2.953057] lkdtm: Performing direct entry ACCESS_NULL # [ 32.9<4>[ 44.628863] ? refcount_warn_saturate+0xfb/0x110 <4>[ 44.640519] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f 65294] lkdtm: attempting bad read at 0000000000000000 # [ 32.<4>[ 44.646266] direct_entry.cold+0x2c/0x38 <4>[ 44.657147] full_proxy_write+0x53/0x80 <4>[ 44.661755] vfs_write+0xe7/0x3b0 <4>[ 44.665753] ksys_write+0x68/0xf0 <4>[ 44.669748] do_syscall_64+0x30/0x40 <4>[ 44.674061] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 44.679994] RIP: 0033:0x7fd8867cb473 971719] BUG: kernel NULL pointer dereference, address: 000000000<4>[ 44.684302] 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>[ 44.684313] RSP: 002b:00007fffc263ac28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 44.684316] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fd8867cb473 <4>[ 44.684318] RDX: 0000000000000017 RSI: 00007fd8866bf000 RDI: 0000000000000001 <4>[ 44.737080] RBP: 00007fd8866bf000 R08: 00007fd8866be010 R09: 0000000000000000 <4>[ 44.745341] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 44.753597] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 44.761867] irq event stamp: 0 <4>[ 44.765596] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 44.772890] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 44.782343] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 44.791771] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 44.799066] ---[ end trace 2116846283a514b2 ]--- <6>[ 44.804512] lkdtm: Saturation detected: still saturated 0000000 # [ 32.979814] #PF: supervisor read access in kernel mode # [ 32.992054] #PF: error_code(0x0000) - not-present page # [ 32.998072] PGD 0 P4D 0 # [ 33.001177] Oops: 0000 [#13] SMP PTI # [ 33.005456] CPU: 3 PID: 1869 Comm: cat Tainted: G D W 5.10.199-cip39 #1 # [ 33.014395] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 33.021493] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 33.027035] Code: cc d7 fb ff be 00 10 00 00 48 89 ef e8 b3 7b 0a ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 80 2d d8 9a e8 a6 d7 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 a8 2d d8 9a 48 01 # [ 33.048301] RSP: 0018:ffffa5c4025ffe58 EFLAGS: 00010246 # [ 33.054426] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 # [ 33.062685] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffff98f13ad9bf50 # [ 33.070945] RBP: ffffffff9ad81e71 R08: 0000000000000000 R09: 0000000000000000 # [ 33.079205] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 33.087465] R13: ffffa5c4025fff10 R14: ffff<6>[ 44.914188] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED a5c4025fff10 R15: ffff98f0c2acd000 # [ 33.095724] FS: 00007f<6>[ 44.923473] lkdtm: attempting bad refcount_dec() from saturated 5ad4189580(0000) GS:ffff98f13ad80000(0000) knlGS:000000000000000<4>[ 44.936585] ------------[ cut here ]------------ 0 # [ 33.105054] CS: 0010 DS: 0000 ES: 0000 CR0: 00000000800<4>[ 44.948248] refcount_t: saturated; leaking memory. 50033 # [ 33.111760] CR2: 0000000000000000 CR3: 0000000102ace<4>[ 44.960143] WARNING: CPU: 0 PID: 2427 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 001 CR4: 00000000003706e0 # [ 33.120021] Call Trace: # [ 3<4>[ 44.976031] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table 3.123042] ? __die_body.cold+0x1a/0x1f # [ 33.127709] ? no_c<4>[ 45.035054] CPU: 0 PID: 2427 Comm: cat Tainted: G D W 5.10.199-cip39 #1 ontext+0x177/0x380 # [ 33.132080] ? exc_page_fault+0x53/0x17<4>[ 45.050168] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 0 # [ 33.136748] ? asm_exc_page_fault+0x1e/0x30 # [ 33.14<4>[ 45.063540] RIP: 0010:refcount_warn_saturate+0x51/0x110 1710] ? lkdtm_ACCESS_NULL+0x14/0x53 # [ 33.146571] ? lkdtm_<4>[ 45.075825] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 69 00 17 02 00 75 ee 48 c7 c7 c8 ca cd 9a c6 05 59 00 17 02 01 e8 d1 e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 45 00 17 02 00 75 cb 48 c7 c7 f0 ca cd ACCESS_NULL+0x14/0x53 # [ 33.151434] direct_entry.cold+0x2c/<4>[ 45.103364] RSP: 0018:ffffa5c402ecfe48 EFLAGS: 00010286 0x38 # [ 33.156096] full_proxy_write+0x53/0x80 # [ 33.160<4>[ 45.115670] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 667] vfs_write+0xe7/0x3b0 # [ 33.164646] ksys_write+0x68/0x<4>[ 45.130183] RDX: ffff98f13ac2c620 RSI: ffff98f13ac1bf50 RDI: ffff98f13ac1bf50 f0 # [ 33.168635] do_syscall_64+0x30/0x40 # [ 33.172913] <4>[ 45.144643] RBP: ffffffff9ad81f4b R08: 0000000000000000 R09: 0000000000000000 entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 33.178843] RIP:<4>[ 45.159166] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 0033:0x7f5ad409f473 # [ 33.183114] Code: 8b 15 21 2a 0e 00 f<4>[ 45.173636] R13: ffffa5c402ecff10 R14: ffffa5c402ecff10 R15: ffff98f0c2aa0000 7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18<4>[ 45.188154] FS: 00007f0ce5299580(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 7<4>[ 45.203691] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 7 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 33.204391]<4>[ 45.216623] CR2: 00007f0ce50a3000 CR3: 0000000102b80005 CR4: 00000000003706f0 RSP: 002b:00007ffd2a31bec8 EFLAGS: 00000246 ORIG_RAX: 000000000<4>[ 45.231100] Call Trace: 0000001 # [ 33.213136] RAX: ffffffffffffffda RBX: 00000000000<4>[ 45.240387] ? __warn+0x80/0x110 0000c RCX: 00007f5ad409f473 # [ 33.221401] RDX: 0000000000000<4>[ 45.250496] ? refcount_warn_saturate+0x51/0x110 00c RSI: 00007f5ad3f93000 RDI: 0000000000000001 # [ 33.229662<4>[ 45.262186] ? report_bug+0x9e/0xc0 ] RBP: 00007f5ad3f93000 R08: 00007f5ad3f92010 R09: 0000000000000<4>[ 45.272582] ? handle_bug+0x41/0x90 000 # [ 33.237922] R10: fffffffffffffbc5 R11: 000000000000024<4>[ 45.283004] ? exc_invalid_op+0x14/0x70 6 R12: 0000000000000001 # [ 33.246183] R13: 0000000000000001 <4>[ 45.293810] ? asm_exc_invalid_op+0x12/0x20 R14: 0000000000020000 R15: 0000000000020000 # [ 33.254445] Mo<4>[ 45.304986] ? refcount_warn_saturate+0x51/0x110 dules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensor<4>[ 45.316643] ? refcount_warn_saturate+0x51/0x110 s uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_t<4>[ 45.328326] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 riggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 indust<4>[ 45.340268] direct_entry.cold+0x2c/0x38 rialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core<4>[ 45.351158] full_proxy_write+0x53/0x80 cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress<4>[ 45.361976] vfs_write+0xe7/0x3b0 snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86<4>[ 45.372201] ksys_write+0x68/0xf0 _pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hi<4>[ 45.382417] do_syscall_64+0x30/0x40 d cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreb<4>[ 45.392926] entry_SYSCALL_64_after_hwframe+0x62/0xc7 oot_table # [ 33.313437] CR2: 0000000000000000 # [ 33.3174<4>[ 45.405094] RIP: 0033:0x7f0ce51af473 26] ---[ end trace 2116846283a514a3 ]--- # [ 33.322872] RIP: <4>[ 45.415592] 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 0010:lkdtm_BUG+0x5/0x10 # [ 33.327540] Code: 89 ff e8 1e dc 7<4>[ 45.443109] RSP: 002b:00007fffa9a312d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 45.458062] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f0ce51af473 9 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc<4>[ 45.466352] RDX: 0000000000000017 RSI: 00007f0ce50a3000 RDI: 0000000000000001 cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 8<4>[ 45.480858] RBP: 00007f0ce50a3000 R08: 00007f0ce50a2010 R09: 0000000000000000 4 00 00 00 00 00 0f 1f 44 00 00 83 05 00 67 0b 03 # [ 33.3488<4>[ 45.495300] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 05] RSP: 0018:ffffa5c40133fe60 EFLAGS: 00010282 # [ 33.354928<4>[ 45.509795] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ] RAX: ffffffff9977b5b0 RBX: 0000000000000001 RCX: 0000000000000<4>[ 45.524303] irq event stamp: 0 000 # [ 33.363187] RDX: 0000000000000000 RSI: ffff98f13ad9bf5<4>[ 45.534191] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0 RDI: ffffffff9a8f7db0 # [ 33.371447] RBP: ffffffff9ade7fb8 <4>[ 45.547688] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 R08: 0000000000000001 R09: 0000000000000001 # [ 33.379707] R1<4>[ 45.563341] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 0: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 45.579023] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 45.592518] ---[ end trace 2116846283a514b3 ]--- # [ 33.387966] R13: ffffa5c40133ff10 R14: ffffa5c40133ff10 R1<6>[ 45.597989] lkdtm: Saturation detected: still saturated 5: ffff98f0c6d8f000 # [ 33.396226] FS: 00007f5ad4189580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000 # [ 33.405553] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 33.412259] CR2: 0000000000000000 CR3: 0000000102ace001 CR4: 00000000003706e0 # [ 33.420519] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 33.430722] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1869, name: cat # [ 33.439466] INFO: lockdep is turned off. # [ 33.444133] irq event stamp: 0 # [ 33.447828] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 33.455118] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 33.464543] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 33.473969] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 33.481258] CPU: 3 PID: 1869 Comm: cat Tainted: G D W 5.10.199-cip39 #1 # [ 33.490197] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 33.497291] Call Trace: # [ 33.500309] dump_stack+0x77/0x9b # [ 33.504347] ___might_sleep.cold+0xa6/0xb6 # [ 33.509212] exit_signals+0x1c/0x300 # [ 33.513492] do_exit+0xc2/0xab0 # [ 33.517287] ? ksys_write+0x68/0xf0 # [ 33.521470] make_task_dead+0x2f/0x30 # [ 33.525846] rewind_stack_and_make_dead+0x17/0x20 # [ 33.531392] RIP: 0033:0x7f5ad409f473 # [ 33.535670] 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 # [ 33.556942] RSP: 002b:00007ffd2a31bec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 33.565689] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f5ad409f473 # [ 33.573949] RDX: 000000000000000c RSI: 00007f5ad3f93000 RDI: 0000000000000001 # [ 33.582210] RBP: 00007f5ad3f93000 R08: 00007f5ad3f92010 R09: 0000000000000000 # [ 33.590470] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 33.598728] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # ACCESS_NULL: saw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh # Killed # [ 33.704391] lkdtm: Performing direct entry WRITE_RO # [ 33.712212] lkdtm: attempting bad rodata write at ffffffff9a8f8230 # [ 33.719431] BUG: unable to handle page fault for address: ffffffff9a8f8230 # [ 33.727410] #PF: supervisor write access in kernel mode # [ 33.739745] #PF: error_code(0x0003) - permissions violation # [ 33.746259] PGD 33c29067 P4D 33c29067 PUD 33c2a063 PMD 80000000334000e1 # [ 33.754038] Oops: 0003 [#14] SMP PTI # [ 33.758327] CPU: 3 PID: 1905 Comm: cat Tainted: G D W 5.10.199-cip39 #1 # [ 33.767269] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 33.780581] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 33.785833] Code: 00 48 c7 c7 60 2c d8 9a 48 c7 c6 30 82 8f 9a e8 50 da fb ff 48 8b 05 bd 9b a9 00 ba 34 12 cd ab 48 c7 c7 90 2c d8 9a 48 31 d0 <48> 89 05 a7 9b a9 00 e9 2e da fb ff 0f 1f 44 00 00 48 8b 05 b6 bc # [ 33.807098] RSP: 0018:ffffa5c402687e60 EFLAGS: 00010202 # [ 33.813223] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 # [ 33.821483] RDX: 00000000abcd1234 RSI: ffff98f13ad9bf50 RDI: ffffffff9ad82c90 # [ 33.829742] RBP: ffffffff9ad81e7d R08: 0000000000000000 R09: 0000000000000000 # [ 33.838000] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 # [ 33.846261] R13: ffffa5c402687f10 R14: ffffa5c402687f10 R15: ffff98f0c5806000 # [ 33.854521] FS: 00007f5f1962f580(0000) GS:ffff9<6>[ 45.975641] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED 8f13ad80000(0000) knlGS:0000000000000000 # [ 33.863840] CS: <6>[ 45.986242] lkdtm: attempting bad refcount_inc_not_zero() from saturated 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 33.870546] C<4>[ 46.000234] ------------[ cut here ]------------ R2: ffffffff9a8f8230 CR3: 0000000102aca005 CR4: 00000000003706e0<4>[ 46.011860] refcount_t: saturated; leaking memory. # [ 33.878807] Call Trace: # [ 33.881826] ? __die_body.c<4>[ 46.023778] WARNING: CPU: 0 PID: 2460 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 old+0x1a/0x1f # [ 33.886497] ? no_context+0x177/0x380 # [ <4>[ 46.039700] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table 33.890876] ? exc_page_fault+0xd7/0x170 # [ 33.895544] ? as<4>[ 46.098658] CPU: 0 PID: 2460 Comm: cat Tainted: G D W 5.10.199-cip39 #1 <4>[ 46.113777] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 m_exc_page_fault+0x1e/0x30 # [ 33.900498] ? lkdtm_WRITE_RO+0<4>[ 46.120910] RIP: 0010:refcount_warn_saturate+0x97/0x110 x2e/0x3a # [ 33.905069] direct_entry.cold+0x2c/0x38 # [ 3<4>[ 46.133255] Code: 02 01 e8 ae e6 c5 00 0f 0b c3 cc cc cc cc 80 3d 24 00 17 02 00 75 a8 48 c7 c7 c8 ca cd 9a c6 05 14 00 17 02 01 e8 8b e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d fe ff 16 02 00 75 85 48 c7 c7 20 cb cd 3.909737] full_proxy_write+0x53/0x80 # [ 33.914309] vfs_wri<4>[ 46.160774] RSP: 0018:ffffa5c402f4fe38 EFLAGS: 00010282 <4>[ 46.173083] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 te+0xe7/0x3b0 # [ 33.918324] ksys_write+0x68/0xf0 # [ 33.<4>[ 46.181358] RDX: ffff98f13ac2c620 RSI: ffff98f13ac1bf50 RDI: ffff98f13ac1bf50 928524] do_syscall_64+0x30/0x40 # [ 33.932794] entry_SYSCAL<4>[ 46.195866] RBP: ffffffff9ad81b78 R08: 0000000000000000 R09: 0000000000000000 L_64_after_hwframe+0x62/0xc7 # [ 33.938724] RIP: 0033:0x7f5f1<4>[ 46.210340] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 9545473 # [ 33.943003] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02<4>[ 46.224857] R13: ffffa5c402f4ff10 R14: ffffa5c402f4ff10 R15: ffff98f0c38cf000 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 <4>[ 46.239350] FS: 00007f417e334580(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f<4>[ 46.254924] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 46.267836] CR2: 00007f417e13e000 CR3: 00000001027dc006 CR4: 00000000003706f0 40 00 48 83 ec 28 48 89 54 24 18 # [ 33.964277] RSP: 002b:00<4>[ 46.276124] Call Trace: 007fff964aac18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ <4>[ 46.285404] ? __warn+0x80/0x110 33.973023] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00<4>[ 46.295473] ? refcount_warn_saturate+0x97/0x110 007f5f19545473 # [ 33.981283] RDX: 0000000000000009 RSI: 0000<4>[ 46.307176] ? report_bug+0x9e/0xc0 7f5f19439000 RDI: 0000000000000001 # [ 33.989541] RBP: 00007f<4>[ 46.317543] ? handle_bug+0x41/0x90 5f19439000 R08: 00007f5f19438010 R09: 0000000000000000 # [ 33<4>[ 46.327971] ? exc_invalid_op+0x14/0x70 .997800] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 000000<4>[ 46.338735] ? asm_exc_invalid_op+0x12/0x20 0000000001 # [ 34.006060] R13: 0000000000000001 R14: 00000000<4>[ 46.349949] ? refcount_warn_saturate+0x97/0x110 00020000 R15: 0000000000020000 # [ 34.014340] Modules linked <4>[ 46.361587] ? refcount_warn_saturate+0x97/0x110 in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cr<4>[ 46.373254] __refcount_add_not_zero.constprop.0+0x2a/0x35 os_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buff<4>[ 46.385885] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 er videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videob<4>[ 46.398728] direct_entry.cold+0x2c/0x38 uf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_char<4>[ 46.409601] full_proxy_write+0x53/0x80 dev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmae<4>[ 46.420433] vfs_write+0xe7/0x3b0 ngine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_the<4>[ 46.430626] ksys_write+0x68/0xf0 rmal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_<4>[ 46.440846] do_syscall_64+0x30/0x40 notify chromeos_pstore cros_kbd_led_backlight coreboot_table # <4>[ 46.451356] entry_SYSCALL_64_after_hwframe+0x62/0xc7 [ 34.073296] CR2: ffffffff9a8f8230 # [ 34.077276] ---[ end <4>[ 46.463526] RIP: 0033:0x7f417e24a473 trace 2116846283a514a4 ]--- # [ 34.082713] RIP: 0010:lkdtm_BU<4>[ 46.474006] 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 G+0x5/0x10 # [ 34.087390] Code: 89 ff e8 1e dc 79 ff 48 c7 c0<4>[ 46.501523] RSP: 002b:00007fffc34ee4c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 <4>[ 46.516471] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f417e24a473 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00<4>[ 46.530955] RDX: 0000000000000020 RSI: 00007f417e13e000 RDI: 0000000000000001 00 0f 1f 44 00 00 83 05 00 67 0b 03 # [ 34.108665] RSP: 0018<4>[ 46.545431] RBP: 00007f417e13e000 R08: 00007f417e13d010 R09: 0000000000000000 :ffffa5c40133fe60 EFLAGS: 00010282 # [ 34.114788] RAX: ffffff<4>[ 46.559920] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 ff9977b5b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 34<4>[ 46.574411] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 .123048] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffff<4>[ 46.588893] irq event stamp: 0 ff9a8f7db0 # [ 34.131325] RBP: ffffffff9ade7fb8 R08: 00000000<4>[ 46.598804] hardirqs last enabled at (0): [<0000000000000000>] 0x0 00000001 R09: 0000000000000001 # [ 34.139594] R10: 00000000ff<4>[ 46.612302] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 ffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 34.154<4>[ 46.627970] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 068] R13: ffffa5c40133ff10 R14: ffffa5c40133ff10 R15: ffff98f0c6<4>[ 46.643611] softirqs last disabled at (0): [<0000000000000000>] 0x0 d8f000 # [ 34.162337] FS: 00007f5f1962f580(0000) GS:ffff98f1<4>[ 46.657130] ---[ end trace 2116846283a514b4 ]--- 3ad80000(0000) knlGS:0000000000000000 # [ 34.171667] CS: 001<6>[ 46.668785] lkdtm: Saturation detected: still saturated 0 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 34.178386] CR2: ffffffff9a8f8230 CR3: 0000000102aca005 CR4: 00000000003706e0 # WRITE_RO: saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # Killed # [ 34.277242] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 34.286743] lkdtm: attempting bad ro_after_init write at ffffffff9ae0a350 # [ 34.300841] BUG: unable to handle page fault for address: ffffffff9ae0a350 # [ 34.315009] #PF: supervisor write access in kernel mode # [ 34.321133] #PF: error_code(0x0003) - permissions violation # [ 34.327647] PGD 33c29067 P4D 33c29067 PUD 33c2a063 PMD 1052d4063 PTE 8000000033a0a061 # [ 34.336694] Oops: 0003 [#15] SMP PTI # [ 34.340965] CPU: 0 PID: 1941 Comm: cat Tainted: G D W 5.10.199-cip39 #1 # [ 34.349896] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 34.356992] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 34.363315] Code: 2c d8 9a e9 02 da fb ff 48 c7 c7 e8 2c d8 9a e8 f6 d9 fb ff 48 8b 05 83 bc fa 00 ba 34 12 cd<6>[ 46.784426] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED <6>[ 46.794748] lkdtm: attempting bad refcount_add_not_zero() from saturated <4>[ 46.802552] ------------[ cut here ]------------ <4>[ 46.807999] refcount_t: saturated; leaking memory. <4>[ 46.813670] WARNING: CPU: 3 PID: 2493 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 ab 48 c7 c7 90 2c d8 9a 48 31 d0 <48> 89 05 6d bc fa 00 e9 d4 d<4>[ 46.823386] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table 9 fb ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 34.384588] RSP: 001<4>[ 46.882341] CPU: 3 PID: 2493 Comm: cat Tainted: G D W 5.10.199-cip39 #1 <4>[ 46.897499] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 46.904598] RIP: 0010:refcount_warn_saturate+0x97/0x110 <4>[ 46.910726] Code: 02 01 e8 ae e6 c5 00 0f 0b c3 cc cc cc cc 80 3d 24 00 17 02 00 75 a8 48 c7 c7 c8 ca cd 9a c6 05 14 00 17 02 01 e8 8b e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d fe ff 16 02 00 75 85 48 c7 c7 20 cb cd <4>[ 46.932005] RSP: 0018:ffffa5c403007e38 EFLAGS: 00010282 <4>[ 46.938164] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 <4>[ 46.946426] RDX: ffff98f13adac620 RSI: ffff98f13ad9bf50 RDI: ffff98f13ad9bf50 <4>[ 46.954690] RBP: ffffffff9ad81b98 R08: 0000000000000000 R09: 0000000000000000 <4>[ 46.962959] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 <4>[ 46.971258] R13: ffffa5c403007f10 R14: ffffa5c403007f10 R15: ffff98f0c2f74000 <4>[ 46.979546] FS: 00007efd236a4580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000 <4>[ 46.988877] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 46.995587] CR2: 00007efd234ae000 CR3: 00000001048e4001 CR4: 00000000003706e0 <4>[ 47.003849] Call Trace: <4>[ 47.006865] ? __warn+0x80/0x110 <4>[ 47.010789] ? refcount_warn_saturate+0x97/0x110 <4>[ 47.016238] ? report_bug+0x9e/0xc0 <4>[ 47.020424] ? handle_bug+0x41/0x90 <4>[ 47.024633] ? exc_invalid_op+0x14/0x70 <4>[ 47.029206] ? asm_exc_invalid_op+0x12/0x20 <4>[ 47.034171] ? refcount_warn_saturate+0x97/0x110 <4>[ 47.039642] ? refcount_warn_saturate+0x97/0x110 <4>[ 47.045092] __refcount_add_not_zero.constprop.0+0x2a/0x35 <4>[ 47.051509] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 <4>[ 47.058123] direct_entry.cold+0x2c/0x38 <4>[ 47.062793] full_proxy_write+0x53/0x80 <4>[ 47.067384] vfs_write+0xe7/0x3b0 <4>[ 47.071386] ksys_write+0x68/0xf0 <4>[ 47.075388] do_syscall_64+0x30/0x40 <4>[ 47.079670] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 47.085604] RIP: 0033:0x7efd235ba473 <4>[ 47.089886] 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>[ 47.111161] RSP: 002b:00007fffe6d9ef78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 47.119910] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007efd235ba473 <4>[ 47.128172] RDX: 0000000000000020 RSI: 00007efd234ae000 RDI: 0000000000000001 <4>[ 47.136427] RBP: 00007efd234ae000 R08: 00007efd234ad010 R09: 0000000000000000 <4>[ 47.144689] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 47.152951] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 47.161221] irq event stamp: 0 8:ffffa5c402727e60 EFLAGS: 00010202 # [ 34.390713] RAX: 00000<4>[ 47.164964] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 47.178484] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 # [ 3<4>[ 47.187929] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 47.203566] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 47.210860] ---[ end trace 2116846283a514b5 ]--- <6>[ 47.216339] lkdtm: Saturation detected: still saturated 4.398965] RDX: 00000000abcd1234 RSI: ffff98f13ac1bf50 RDI: ffffffff9ad82c90 # [ 34.407217] RBP: ffffffff9ad81e86 R08: 0000000000000000 R09: 0000000000000000 # [ 34.415476] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 # [ 34.423736] R13: ffffa5c402727f10 R14: ffffa5c402727f10 R15: ffff98f0c5819000 # [ 34.431996] FS: 00007f7abcd4b580(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000 # [ 34.441323] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 34.448028] CR2: ffffffff9ae0a350 CR3: 0000000102b80003 CR4: 00000000003706f0 # [ 34.456288] Call Trace: # [ 34.459308] ? __die_body.cold+0x1a/0x1f # [ 34.463974] ? no_context+0x177/0x380 # [ 34.468359] ? exc_page_fault+0xd7/0x170 # [ 34.473033] ? asm_exc_page_fault+0x1e/0x30 # [ 34.477996] ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 34.483640] direct_entry.cold+0x2c/0x38 # [ 34.488311] full_proxy_write+0x53/0x80 # [ 34.492887] vfs_write+0xe7/0x3b0 # [ 34.496881] ksys_write+0x68/0xf0 # [ 34.500870] do_syscall_64+0x30/0x40 # [ 34.505150] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 34.511081] RIP: 0033:0x7f7abcc61473 # [ 34.515360] 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 # [ 34.536623] RSP: 002b:00007ffe6eae5ee8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 34.545369] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f7abcc61473 # [ 34.553630] RDX: 0000000000000014 RSI: 00007f7abcb55000 RDI: 0000000000000001 # [ 34.561891] RBP: 00007f7abcb55000 R08: 00007f7abcb54010 R09: 0000000000000000 # [ 34.570142] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 34.578403] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 34.586666] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 34.639431] CR2: ffffffff9ae0a350 # [ 34.643410] ---[ end trace 2116846283a514a5 ]--- # [ 34.648856] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 34.653530] Code: 89 ff e8 1e dc 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 00 67 0b 03 # [ 34.674804] RSP: 0018:ffffa5c40133fe60 EFLAGS: 00010282 # [ 34.680929] RAX: ffffffff9977b5b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 34.689187] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9a8f7db0 # [ 34.697448] RBP: ffffffff9ade7fb8 R08: 0000000000000001 R09: 0000000000000001 # [ 34.705708] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 34.713968] R13: ffffa5c40133ff10 R14: ffffa5c40133ff10 R15: ffff98f0c6d8f000 # [ 34.722227] FS: 00007f7abcd4b580(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000 # [ 34.731556] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 34.738262] CR2: ffffffff9ae0a350 CR3: 0000000102b80003 CR4: 00000000003706f0 # [ 34.746522] BUG: sleeping function called from inva<6>[ 47.575684] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED lid context at include/linux/percpu-rwsem.h:49 # [ 34.756725]<6>[ 47.584649] lkdtm: attempting bad refcount_dec_and_test() from saturated in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1941, na<4>[ 47.598635] ------------[ cut here ]------------ me: cat # [ 34.765461] INFO: lockdep is turned off. # [ 34<4>[ 47.610305] refcount_t: underflow; use-after-free. .770129] irq event stamp: 0 # [ 34.773817] hardirqs last ena<4>[ 47.622169] WARNING: CPU: 0 PID: 2529 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 bled at (0): [<0000000000000000>] 0x0 # [ 34.781099] hardirqs<4>[ 47.638134] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table last disabled at (0): [] copy_process+0x65c/0<4>[ 47.697063] CPU: 0 PID: 2529 Comm: cat Tainted: G D W 5.10.199-cip39 #1 x20e0 # [ 34.790525] softirqs last enabled at (0): [[ 47.712281] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 f98cfd6cc>] copy_process+0x65c/0x20e0 # [ 34.799950] softirqs<4>[ 47.725571] RIP: 0010:refcount_warn_saturate+0xba/0x110 last disabled at (0): [<0000000000000000>] 0x0 # [ 34.807239<4>[ 47.737913] Code: 02 01 e8 8b e6 c5 00 0f 0b c3 cc cc cc cc 80 3d fe ff 16 02 00 75 85 48 c7 c7 20 cb cd 9a c6 05 ee ff 16 02 01 e8 68 e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d d9 ff 16 02 00 0f 85 5e ff ff ff 48 c7 ] CPU: 0 PID: 1941 Comm: cat Tainted: G D W 5.10.19<4>[ 47.765399] RSP: 0018:ffffa5c403077e40 EFLAGS: 00010286 9-cip39 #1 # [ 34.816180] Hardware name: Google Rammus/Rammus<4>[ 47.777747] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 , BIOS 09/04/2020 # [ 34.823274] Call Trace: # [ 34.82629<4>[ 47.792209] RDX: ffff98f13ac2c620 RSI: ffff98f13ac1bf50 RDI: ffff98f13ac1bf50 3] dump_stack+0x77/0x9b # [ 34.830289] ___might_sleep.cold+<4>[ 47.806729] RBP: ffffffff9ad81bb8 R08: 0000000000000000 R09: 0000000000000000 0xa6/0xb6 # [ 34.835159] exit_signals+0x1c/0x300 # [ 34.8<4>[ 47.821194] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 39445] do_exit+0xc2/0xab0 # [ 34.843240] ? ksys_write+0x68/<4>[ 47.835674] R13: ffffa5c403077f10 R14: ffffa5c403077f10 R15: ffff98f0c2c8e000 0xf0 # [ 34.847428] make_task_dead+0x2f/0x30 # [ 34.85179<4>[ 47.850197] FS: 00007f7b71251580(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000 7] rewind_stack_and_make_dead+0x17/0x20 # [ 34.857337] RIP: <4>[ 47.865762] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0033:0x7f7abcc61473 # [ 34.861615] Code: 8b 15 21 2a 0e 00 f7<4>[ 47.878692] CR2: 00007f7b7105b000 CR3: 000000010484e005 CR4: 00000000003706f0 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 <4>[ 47.893157] Call Trace: 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77<4>[ 47.902436] ? __warn+0x80/0x110 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 34.882886] <4>[ 47.912564] ? refcount_warn_saturate+0xba/0x110 RSP: 002b:00007ffe6eae5ee8 EFLAGS: 00000246 ORIG_RAX: 0000000000<4>[ 47.924216] ? report_bug+0x9e/0xc0 000001 # [ 34.891633] RAX: ffffffffffffffda RBX: 000000000000<4>[ 47.934645] ? handle_bug+0x41/0x90 0014 RCX: 00007f7abcc61473 # [ 34.899892] RDX: 00000000000000<4>[ 47.945025] ? exc_invalid_op+0x14/0x70 14 RSI: 00007f7abcb55000 RDI: 0000000000000001 # [ 34.908150]<4>[ 47.955818] ? asm_exc_invalid_op+0x12/0x20 RBP: 00007f7abcb55000 R08: 00007f7abcb54010 R09: 00000000000000<4>[ 47.966993] ? refcount_warn_saturate+0xba/0x110 00 # [ 34.916409] R10: fffffffffffffbc5 R11: 0000000000000246<4>[ 47.978666] __refcount_sub_and_test.constprop.0+0x3c/0x50 R12: 0000000000000001 # [ 34.924669] R13: 0000000000000001 R<4>[ 47.991294] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 14: 0000000000020000 R15: 0000000000020000 # WRITE_RO_AFTER_INI<4>[ 48.004134] direct_entry.cold+0x2c/0x38 T: saw 'call trace:': ok ok 40 selftests: lkdtm: WRITE_RO_AFTER<4>[ 48.015017] full_proxy_write+0x53/0x80 _INIT.sh # selftests: lkdtm: WRITE_KERN.sh # Killed # [ 35.<4>[ 48.025811] vfs_write+0xe7/0x3b0 039298] lkdtm: Performing direct entry WRITE_KERN # [ 35.0507<4>[ 48.036014] ksys_write+0x68/0xf0 73] lkdtm: attempting bad 7220333 byte write at ffffffff99e5e5ed<4>[ 48.046232] do_syscall_64+0x30/0x40 # [ 35.064800] BUG: unable to handle page fault for address:<4>[ 48.056728] entry_SYSCALL_64_after_hwframe+0x62/0xc7 ffffffff99e5e5ed # [ 35.078940] #PF: supervisor write access<4>[ 48.068875] RIP: 0033:0x7f7b71167473 in kernel mode # [ 35.085063] #PF: error_code(0x0003) - perm<4>[ 48.079389] 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 issions violation # [ 35.091575] PGD 33c29067 P4D 33c29067 PU<4>[ 48.106882] RSP: 002b:00007ffc4330e958 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 D 33c2a063 PMD 32a000e1 # [ 35.098583] Oops: 0003 [#16] SMP <4>[ 48.121840] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f7b71167473 PTI # [ 35.102863] CPU: 0 PID: 1977 Comm: cat Tainted: G <4>[ 48.136356] RDX: 0000000000000020 RSI: 00007f7b7105b000 RDI: 0000000000000001 D W 5.10.199-cip39 #1 # [ 35.111802] Hardware name: <4>[ 48.150809] RBP: 00007f7b7105b000 R08: 00007f7b7105a010 R09: 0000000000000000 Google Rammus/Rammus, BIOS 09/04/2020 # [ 35.118898] RIP: 00<4>[ 48.165297] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 10:lkdtm_WRITE_KERN+0x38/0x4e # [ 35.124349] Code: 53 48 c7 c<4>[ 48.179772] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 3 ed e5 e5 99 49 89 dc 48 89 da 49 81 ec 80 b9 77 99 4c 89 e6 e8<4>[ 48.194267] irq event stamp: 0 a9 d9 fb ff 48 89 df 4c 89 e1 48 c7 c6 80 b9 77 99 a4 48 c<4>[ 48.204190] hardirqs last enabled at (0): [<0000000000000000>] 0x0 7 c7 90 2c d8 9a e8 8e d9 fb ff 5b 41 5c e9 b7 fe ff ff # [ 3<4>[ 48.217694] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 5.145619] RSP: 0018:ffffa5c4027b7e50 EFLAGS: 00010246 # [ 35.<4>[ 48.233334] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 151742] RAX: 000000000000003c RBX: ffffffff99e5e5ed RCX: 0000000<4>[ 48.248990] softirqs last disabled at (0): [<0000000000000000>] 0x0 0006e2c6d # [ 35.160003] RDX: 0000000000000000 RSI: ffffffff9<4>[ 48.262489] ---[ end trace 2116846283a514b6 ]--- 977b980 RDI: ffffffff99e5e5ed # [ 35.168263] RBP: ffffffff9ad<6>[ 48.274163] lkdtm: Saturation detected: still saturated 81e9a R08: 0000000000000000 R09: 0000000000000000 # [ 35.176523] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000006e2c6d # [ 35.184781] R13: ffffa5c4027b7f10 R14: ffffa5c4027b7f10 R15: ffff98f0c2d60000 # [ 35.193042] FS: 00007f356f269580(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000 # [ 35.202370] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 35.209076] CR2: ffffffff99e5e5ed CR3: 0000000103806005 CR4: 00000000003706f0 # [ 35.217336] Call Trace: # [ 35.220357] ? __die_body.cold+0x1a/0x1f # [ 35.225033] ? no_context+0x177/0x380 # [ 35.229418] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 35.235161] ? exc_page_fault+0xd7/0x170 # [ 35.239829] ? asm_exc_page_fault+0x1e/0x30 # [ 35.244781] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 35.250517] ? lkdtm_SLAB_FREE_PAGE+0x40/0x40 # [ 35.255676] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 35.261403] ? lkdtm_WRITE_KERN+0x38/0x4e # [ 35.266169] direct_entry.cold+0x2c/0x38 # [ 35.270838] full_proxy_write+0x53/0x80 # [ 35.275417] vfs_write+0xe7/0x3b0 # [ 35.279412] ksys_write+0x68/0xf0 # [ 35.283400] do_syscall_64+0x30/0x40 # [ 35.287679] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 35.293609] RIP: 0033:0x7f356f17f473 # [<6>[ 48.409773] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED 35.297879] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff<6>[ 48.418785] lkdtm: attempting bad refcount_sub_and_test() from saturated ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 <4>[ 48.432793] ------------[ cut here ]------------ 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83<4>[ 48.444419] refcount_t: underflow; use-after-free. ec 28 48 89 54 24 18 # [ 35.319151] RSP: 002b:00007fffd556e0<4>[ 48.456336] WARNING: CPU: 0 PID: 2565 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 35.327890]<4>[ 48.472275] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f356f17f4<4>[ 48.531238] CPU: 0 PID: 2565 Comm: cat Tainted: G D W 5.10.199-cip39 #1 73 # [ 35.336142] RDX: 000000000000000b RSI: 00007f356f073000<4>[ 48.546394] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 RDI: 0000000000000001 # [ 35.344393] RBP: 00007f356f073000 R<4>[ 48.559748] RIP: 0010:refcount_warn_saturate+0xba/0x110 08: 00007f356f072010 R09: 0000000000000000 # [ 35.352651] R10<4>[ 48.572079] Code: 02 01 e8 8b e6 c5 00 0f 0b c3 cc cc cc cc 80 3d fe ff 16 02 00 75 85 48 c7 c7 20 cb cd 9a c6 05 ee ff 16 02 01 e8 68 e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d d9 ff 16 02 00 0f 85 5e ff ff ff 48 c7 : fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 48.599612] RSP: 0018:ffffa5c403117e40 EFLAGS: 00010286 # [ 35.360911] R13: 0000000000000001 R14: 0000000000020000 R15<4>[ 48.611943] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 : 0000000000020000 # [ 35.369175] Modules linked in: fuse ip_<4>[ 48.626462] RDX: ffff98f13ac2c620 RSI: ffff98f13ac1bf50 RDI: ffff98f13ac1bf50 tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensor<4>[ 48.640929] RBP: ffffffff9ad81bd8 R08: 0000000000000000 R09: 0000000000000000 s_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2<4>[ 48.655449] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 _memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cro<4>[ 48.669916] R13: ffffa5c403117f10 R14: ffffa5c403117f10 R15: ffff98f0c2dff000 s_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_<4>[ 48.684397] FS: 00007f53805f3580(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000 lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_u<4>[ 48.699969] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 sbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec<4>[ 48.712938] CR2: 00007f53803fd000 CR3: 00000001053ee003 CR4: 00000000003706f0 _dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chrom<4>[ 48.727402] Call Trace: eos_pstore cros_kbd_led_backlight coreboot_table # [ 35.42194<4>[ 48.736664] ? __warn+0x80/0x110 0] CR2: ffffffff99e5e5ed # [ 35.425928] ---[ end trace 211684<4>[ 48.746740] ? refcount_warn_saturate+0xba/0x110 6283a514a6 ]--- # [ 35.431372] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 48.758428] ? report_bug+0x9e/0xc0 # [ 35.436041] Code: 89 ff e8 1e dc 79 ff 48 c7 c0 ea ff ff ff<4>[ 48.768815] ? handle_bug+0x41/0x90 eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff <4>[ 48.779205] ? exc_invalid_op+0x14/0x70 eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44<4>[ 48.789987] ? asm_exc_invalid_op+0x12/0x20 00 00 83 05 00 67 0b 03 # [ 35.457311] RSP: 0018:ffffa5c4013<4>[ 48.801196] ? refcount_warn_saturate+0xba/0x110 3fe60 EFLAGS: 00010282 # [ 35.463434] RAX: ffffffff9977b5b0 R<4>[ 48.812836] __refcount_sub_and_test.constprop.0+0x3c/0x50 BX: 0000000000000001 RCX: 0000000000000000 # [ 35.471693] RDX<4>[ 48.825476] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 : 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9a8f7db0 <4>[ 48.838314] direct_entry.cold+0x2c/0x38 # [ 35.479951] RBP: ffffffff9ade7fb8 R08: 0000000000000001 R09<4>[ 48.849207] full_proxy_write+0x53/0x80 : 0000000000000001 # [ 35.488210] R10: 00000000ffffe000 R11: <4>[ 48.859988] vfs_write+0xe7/0x3b0 3fffffffffffffff R12: 0000000000000004 # [ 35.496470] R13: ff<4>[ 48.870211] ksys_write+0x68/0xf0 ffa5c40133ff10 R14: ffffa5c40133ff10 R15: ffff98f0c6d8f000 # [ <4>[ 48.880421] do_syscall_64+0x30/0x40 35.504722] FS: 00007f356f269580(0000) GS:ffff98f13ac00000(000<4>[ 48.890925] entry_SYSCALL_64_after_hwframe+0x62/0xc7 0) knlGS:0000000000000000 # [ 35.514040] CS: 0010 DS: 0000 E<4>[ 48.903063] RIP: 0033:0x7f5380509473 S: 0000 CR0: 0000000080050033 # [ 35.520745] CR2: ffffffff99e<4>[ 48.913581] 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 5e5ed CR3: 0000000103806005 CR4: 00000000003706f0 # WRITE_KERN:<4>[ 48.941060] RSP: 002b:00007ffc9303eb98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 saw 'call trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh #<4>[ 48.956073] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f5380509473 selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # [ 35.643257] lk<4>[ 48.970514] RDX: 0000000000000020 RSI: 00007f53803fd000 RDI: 0000000000000001 dtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 35.654<4>[ 48.985015] RBP: 00007f53803fd000 R08: 00007f53803fc010 R09: 0000000000000000 112] lkdtm: attempting good refcount_inc() without overflow # [<4>[ 48.999477] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 35.661345] lkdtm: attempting bad refcount_inc() overflow # [<4>[ 49.013966] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 35.673874] ------------[ cut here ]------------ # [ 35.679<4>[ 49.028449] irq event stamp: 0 343] refcount_t: saturated; leaking memory. # [ 35.685002] WA<4>[ 49.038346] hardirqs last enabled at (0): [<0000000000000000>] 0x0 RNING: CPU: 2 PID: 2013 at lib/refcount.c:22 refcount_warn_satur<4>[ 49.051857] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 ate+0x51/0x110 # [ 35.700920] Modules linked in: fuse ip_tabl<4>[ 49.067524] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 es cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_co<4>[ 49.083184] softirqs last disabled at (0): [<0000000000000000>] 0x0 re videobuf2_vmalloc industrialio_triggered_buffer videobuf2_mem<4>[ 49.096696] ---[ end trace 2116846283a514b7 ]--- ops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec<6>[ 49.108358] lkdtm: Saturation detected: still saturated _debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 35.759912] CPU: 2 PID: 2013 Comm: cat Tainted: G D W 5.10.199-cip39 #1 # [ 35.768879] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 35.775979] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 35.782130] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 69 00 17 02 00 75 ee 48 c7 c7 c8 ca cd 9a c6 05 59 00 17 02 01 e8 d1 e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 45 00 17 02 00 75 cb 48 c7 c7 f0 ca cd # [ 35.803406] RSP: 0018:ffffa5c402847e48 EFLAGS: 00010286 # [ 35.809534] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 # [ 35.817797] RDX: ffff98f13ad2c620 RSI: ffff98f13ad1bf50 RDI: ffff98f13ad1bf50 # [ 35.826061] RBP: ffffffff9ad81ea5 R08: 0000000000000000 R09: 0000000000000000 # [ 35.834340] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 35.842606] R13: ffffa5c402847f10 R14: ffffa5c402847f10 R15: ffff98f0c2de6000 # [ 35.857077] FS: 00007fe04371d580(0000) GS:ffff98f13ad00000(0000) knlGS:0000000000000000 # [ 35.866407] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 35.873116] CR2: 00007fe043527000 CR3: 0000000102bbe003 CR4: 00000000003706e0 # [ 35.881389] Call Trace: # [ 35.884413] ? __warn+0x80/0x110 # [ 35.888334] ? refcount_warn_saturate+0x51/0x110 # [ 35.899992] ? report_bug+0x9e/0xc0 # [ 35.904203] ? handle_bug+0x41/0x90 # [ 35.908408] ? exc_invalid_op+0x14/0x70 # [ 35.912981] ? asm_exc_invalid_op+0x12/0x20 # [ 35.917955] ? refcount_warn_saturate+0x51/0x110 # [ 35.929608] ? refcount_warn_saturate+0x51/0x110 # [ 35.935055] lkdtm_REFCOUNT<6>[ 49.302336] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO _INC_OVERFLOW+0x70/0x98 # [ 35.940697] direct_entry.cold+0x2<6>[ 49.314199] lkdtm: attempting good copy_to_user of correct size c/0x38 # [ 35.945390] full_proxy_write+0x53/0x80 # [ 35.9<6>[ 49.327347] lkdtm: attempting bad copy_to_user of too large size 49996] vfs_write+0xe7/0x3b0 # [ 35.954016] ksys_write+0x68/0xf0 # [ 35.958038] do_syscall_64+0x30/0x40 # [ 35.962332] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 35.974471] RIP: 0033:0x7fe043633473 # [ 35.978753] 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 # [ 36.000028] RSP: 002b:00007ffcc14bfee8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 36.008778] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fe043633473 # [ 36.017040] RDX: 0000000000000016 RSI: 00007fe043527000 RDI: 0000000000000001 # [ 36.025303] RBP: 00007fe043527000 R08: 00007fe043526010 R09: 0000000000000000 # [ 36.033566] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 36.041830] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 36.050099] irq event stamp: 0 # [ 36.053825] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 36.067343] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 36.082974] softirqs last enabled at (0): [[ 49.456418] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM <6>[ 49.465808] lkdtm: attempting good copy_from_user of correct size <6>[ 49.472939] lkdtm: attempting bad copy_from_user of too large size >] copy_process+0x65c/0x20e0 # [ 36.092402] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 36.099694] ---[ end trace 2116846283a514a7 ]--- # [ 36.105139] 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 # [ 36.213028] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 36.223207] lkdtm: attempting good refcount_add() without overflow # [ 36.236639] lkdtm: attempting bad refcount_add() overflow # [ 36.249167] ------------[ cut here ]------------ # [ 36.260871] refcount_t: saturated; leaking memory. # [ 36.272712] WARNING: CPU: 0 PID: 2046 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 36.288678] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobu<6>[ 49.593264] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO f2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore c<6>[ 49.605778] lkdtm: attempting good copy_to_user inside whitelist ros_kbd_led_backlight coreboot_table # [ 36.347631] CPU: 0 PI<6>[ 49.619021] lkdtm: attempting bad copy_to_user outside whitelist D: 2046 Comm: cat Tainted: G D W 5.10.199-cip39 #1 # [ 36.362811] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 36.376091] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 36.388428] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 69 00 17 02 00 75 ee 48 c7 c7 c8 ca cd 9a c6 05 59 00 17 02 01 e8 d1 e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 45 00 17 02 00 75 cb 48 c7 c7 f0 ca cd # [ 36.415921] RSP: 0018:ffffa5c4028d7e48 EFLAGS: 00010286 # [ 36.428254] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 36.442749] RDX: ffff98f13ac2c620 RSI: ffff98f13ac1bf50 RDI: ffff98f13ac1bf50 # [ 36.457223] RBP: ffffffff9ad81ebb R08: 0000000000000000 R09: 0000000000000000 # [ 36.471714] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 36.486185] R13: ffffa5c4028d7f10 R14: ffffa5c4028d7f10 R15: ffff98f0c6652000 # [ 36.500667] FS: 00007f36e0c13580(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000 # [ 36.516219] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 36.529150] CR2: 00007f36e0a1d000 CR3: 0000000106e0c006 CR4: 00000000003706f0 # [ 36.543628] Call Trace: # [ 36.552897] ? __warn+0x80/0x110 #<6>[ 49.745436] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM <6>[ 49.757993] lkdtm: attempting good copy_from_user inside whitelist <6>[ 49.765248] lkdtm: attempting bad copy_from_user outside whitelist [ 36.562986] ? refcount_warn_saturate+0x51/0x110 # [ 36.574664] ? report_bug+0x9e/0xc0 # [ 36.585054] ? handle_bug+0x41/0x90 # [ 36.595461] ? exc_invalid_op+0x14/0x70 # [ 36.606245] ? asm_exc_invalid_op+0x12/0x20 # [ 36.617437] ? refcount_warn_saturate+0x51/0x110 # [ 36.629092] ? refcount_warn_saturate+0x51/0x110 # [ 36.640764] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 36.652616] direct_entry.cold+0x2c/0x38 # [ 36.663546] full_proxy_write+0x53/0x80 # [ 36.674313] vfs_write+0xe7/0x3b0 # [ 36.684514] ksys_write+0x68/0xf0 # [ 36.694714] do_syscall_64+0x30/0x40 # [ 36.705226] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 36.717360] RIP: 0033:0x7f36e0b29473 # [ 36.727856] 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 # [ 36.755347] RSP: 002b:00007ffcebb57368 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 36.770294] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f36e0b29473 # [ 36.778568] RDX: 0000000000000016 RSI: 00007f36e0a1d000 RDI: 0000000000000001 # [ 36.793057] RBP:<6>[ 49.884480] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO <6>[ 49.897725] lkdtm: good_stack: ffffa5c40348fe20-ffffa5c40348fe40 <6>[ 49.904760] lkdtm: bad_stack : ffffa5c40348fda8-ffffa5c40348fdc8 <6>[ 49.911816] lkdtm: attempting good copy_to_user of local stack 00007f36e0a1d000 R08: 00007f36e0a1c010 R09: 0000000000000000 #<6>[ 49.918637] lkdtm: attempting bad copy_to_user of distant stack [ 36.807531] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 36.822019] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 36.836520] irq event stamp: 0 # [ 36.846433] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 36.859929] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 36.875574] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 36.891262] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 36.904789] ---[ end trace 2116846283a514a8 ]--- # [ 36.916456] 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 # [ 37.036079] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 37.047805] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 37.061211] ------------[ cut here ]------------ # [ 37.072869] refcount_t: saturated; leaking memory. # [ 37.084731] WARNING: CPU: 0 PID: 2079 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 37.100660] Modules linked in: fuse ip_ta<6>[ 50.046231] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM bles cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_<6>[ 50.057294] lkdtm: good_stack: ffffa5c403527e20-ffffa5c403527e40 core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_m<6>[ 50.070493] lkdtm: bad_stack : ffffa5c403527da8-ffffa5c403527dc8 emops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_<6>[ 50.083746] lkdtm: attempting good copy_from_user of local stack ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_li<6>[ 50.096977] lkdtm: attempting bad copy_from_user of distant stack ghtbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 37.159649] CPU: 0 PID: 2079 Comm: cat Tainted: G D W 5.10.199-cip39 #1 # [ 37.174824] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 37.188191] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 37.200497] Code: 02 01 e8 ae e6 c5 00 0f 0b c3 cc cc cc cc 80 3d 24 00 17 02 00 75 a8 48 c7 c7 c8 ca cd 9a c6 05 14 00 17 02 01 e8 8b e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d fe ff 16 02 00 75 85 48 c7 c7 20 cb cd # [ 37.228026] RSP: 0018:ffffa5c40295fe38 EFLAGS: 00010282 # [ 37.240363] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 37.254835] RDX: ffff98f13ac2c620 RSI: ffff98f13ac1bf50 RDI: ffff98f13ac1bf50 # [ 37.269296] RBP: ffffffff9ad81af8 R08: 0000000000000000 R09: 0000000000000000 # [ 37.283772] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 37.298249] R13: ffffa5c40295ff10 R14: ffffa5c40295ff10 R15: ffff98f0c2e2f000 # [ 37.312740] FS: 00007f15833d4580(0000) GS:fff<6>[ 50.227065] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND <6>[ 50.235376] lkdtm: good_stack: ffffa5c4035a7e20-ffffa5c4035a7e40 <6>[ 50.242414] lkdtm: bad_stack : ffffa5c4035a7ff8-ffffa5c4035a8018 <6>[ 50.249474] lkdtm: attempting good copy_to_user of local stack f98f13ac00000(0000) knlGS:0000000000000000 # [ 37.328305] CS:<6>[ 50.256298] lkdtm: attempting bad copy_to_user of distant stack <4>[ 50.269414] lkdtm: copy_to_user failed, but lacked Oops 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 37.341260] CR2: 00007f15831de000 CR3: 0000000104866004 CR4: 00000000003706f0 # [ 37.355718] Call Trace: # [ 37.364966] ? __warn+0x80/0x110 # [ 37.375069] ? refcount_warn_saturate+0x97/0x110 # [ 37.386745] ? report_bug+0x9e/0xc0 # [ 37.397137] ? handle_bug+0x41/0x90 # [ 37.407546] ? exc_invalid_op+0x14/0x70 # [ 37.418347] ? asm_exc_invalid_op+0x12/0x20 # [ 37.429524] ? refcount_warn_saturate+0x97/0x110 # [ 37.441177] ? refcount_warn_saturate+0x97/0x110 # [ 37.452847] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 37.465469] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 37.478208] direct_entry.cold+0x2c/0x38 # [ 37.489094] full_proxy_write+0x53/0x80 # [ 37.499890] vfs_write+0xe7/0x3b0 # [ 37.510088] ksys_write+0x68/0xf0 # [ 37.520299] do_syscall_64+0x30/0x40 # [ 37.530794] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 37.542979] RIP: 0033:0x7f15832ea473 # [ 37.553479] 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 # <6>[ 50.388511] lkdtm: Performing direct entry USERCOPY_KERNEL [ 37.580970] RSP: 002b:00007ffd2a66ce38 EFLAGS: 00000246 ORIG_<6>[ 50.400116] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff9a8f8250 RAX: 0000000000000001 # [ 37.595937] RAX: ffffffffffffffda RB<6>[ 50.415307] lkdtm: attempting bad copy_to_user from kernel text: ffffffff98ee2ad0 <3>[ 50.430141] lkdtm: FAIL: survived bad copy_to_user() X: 000000000000001f RCX: 00007f15832ea473 # [ 37.610487] RDX: 000000000000001f RSI: 00007f15831de000 RDI: 0000000000000001 # [ 37.624941] RBP: 00007f15831de000 R08: 00007f15831dd010 R09: 0000000000000000 # [ 37.639424] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 37.653927] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 37.668381] irq event stamp: 0 # [ 37.678290] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 37.691806] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 37.707509] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 37.723138] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 37.736643] ---[ end trace 2116846283a514a9 ]--- # [ 37.748313] 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 # [ 37.863018] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 37.873434] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 37.880641] ------------[ cut here ]------------ # [ 37.892298] refcount_t: saturat<6>[ 50.555053] lkdtm: Performing direct entry STACKLEAK_ERASING <6>[ 50.566908] lkdtm: checking unused part of the thread stack (15928 bytes)... <3>[ 50.575112] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) <3>[ 50.583216] lkdtm: FAIL: the thread stack is NOT properly erased <4>[ 50.590220] CPU: 2 PID: 2941 Comm: cat Tainted: G D W 5.10.199-cip39 #1 <4>[ 50.599161] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 50.606255] Call Trace: <4>[ 50.609278] dump_stack+0x77/0x9b <4>[ 50.613299] lkdtm_STACKLEAK_ERASING+0x116/0x144 <4>[ 50.618744] direct_entry.cold+0x2c/0x38 <4>[ 50.623413] full_proxy_write+0x53/0x80 <4>[ 50.627987] vfs_write+0xe7/0x3b0 <4>[ 50.631976] ksys_write+0x68/0xf0 <4>[ 50.635967] do_syscall_64+0x30/0x40 <4>[ 50.640246] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 50.646178] RIP: 0033:0x7f29d0902473 <4>[ 50.650448] 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>[ 50.671723] RSP: 002b:00007fff6b97b078 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 50.680464] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f29d0902473 <4>[ 50.688716] RDX: 0000000000000012 RSI: 00007f29d07f6000 RDI: 0000000000000001 <4>[ 50.696976] RBP: 00007f29d07f6000 R08: 00007f29d07f5010 R09: 0000000000000000 <4>[ 50.705238] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 50.713498] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ed; leaking memory. # [ 37.897999] WARNING: CPU: 2 PID: 2112 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 37.907723] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 37.966699] CPU: 2 PID: 2112 Comm: cat Tainted: G D W 5.10.199-cip39 #1 # [ 37.975654] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 37.988961] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 37.995088] Code: 02 01 e8 ae e6 c5 00 0f 0b c3 cc cc cc cc 80 3d 24 00 17 02 00 75 a8 48 c7 c7 c8 ca cd 9a c6 05 14 00 17 02 01 e8 8b e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d fe ff 16 02 00 75 85 48 c7 c7 20 cb cd # [ 38.016379] RSP: 0018:ffffa5c4029dfe38 EFL<6>[ 50.833317] lkdtm: Performing direct entry CFI_FORWARD_PROTO <6>[ 50.840280] lkdtm: Calling matched prototype ... AGS: 00010282 # [ 38.022540] RAX: 0000000000000000 RBX: 00000<6>[ 50.845733] lkdtm: Calling mismatched prototype ... 0007fffffff RCX: 0000000000000000 # [ 38.030803] RDX: ffff98f<6>[ 50.857687] lkdtm: Fail: survived mismatched prototype function call! 13ad2c620 RSI: ffff98f13ad1bf50 RDI: ffff98f13ad1bf50 # [ 38.039064] RBP: ffffffff9ad81b18 R08: 0000000000000000 R09: 0000000000000000 # [ 38.047338] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 38.055602] R13: ffffa5c4029dff10 R14: ffffa5c4029dff10 R15: ffff98f0c6e46000 # [ 38.070076] FS: 00007f7646c73580(0000) GS:ffff98f13ad00000(0000) knlGS:0000000000000000 # [ 38.079405] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 38.086115] CR2: 00007f7646a7d000 CR3: 0000000102ba6006 CR4: 00000000003706e0 # [ 38.094383] Call Trace: # [ 38.097405] ? __warn+0x80/0x110 # [ 38.101340] ? refcount_warn_saturate+0x97/0x110 # [ 38.106789] ? report_bug+0x9e/0xc0 # [ 38.117186] ? handle_bug+0x41/0x90 # [ 38.121394] ? exc_invalid_op+0x14/0x70 # [ 38.125967] ? asm_exc_invalid_op+0x12/0x20 # [ 38.130933] ? refcount_warn_saturate+0x97/0x110 # [ 38.136410] ? refcount_warn_saturate+0x97/0x110 # [ 38.141858] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 38.148276] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 38.154793] direct_entry.cold+0x2c/0x38 # [ 38.159466] full_proxy_write+0x53/0x80 # [ 38.164042] vfs_write+0xe7/0x3b0 # [ 38.168034] ksys_write+0x68/0xf0 # [ 38.172026] do_syscall_64+0x30/0x40 # [ 38.176307] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 38.182264] RIP: 0033:0x7f7646b89473 # [ 38.186546] 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 # [ 38.207821] RSP: 002b:00007fff776815e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 38.216569] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f7646b89473 # [ 38.224832] RDX: 000000000000001f RSI: 00007f7646a7d000 RDI: 0000000000000001 # [ 38.233095] RBP: 00007f7646a7d000 R08: 00007f7646a7c010 R09: 0000000000000000 # [ 38.241371] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 38.249666] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 38.257932] irq event stamp: 0 # [ 38.261636] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 38.268933] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 38.284575] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 38.294005] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 38.301298] ---[ end trace 2116846283a514aa ]--- # [ 38.306746] 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 # [ 38.416439] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 38.424401] lkdtm: attempting good refcount_dec() # [ 38.429978] lkdtm: attempting bad refcount_dec() to zero # [ 38.436206] ------------[ cut here ]------------ # [ 38.441677] refcount_t: decrement hit 0; leaking memory. # [ 38.447931] WARNING: CPU: 2 PID: 2145 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 38.457656] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 38.516617] CPU: 2 PID: 2145 Comm: cat Tainted: G D W 5.10.199-cip39 #1 # [ 38.525588] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 38.532688] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 38.538817] Code: 78 cb cd 9a c6 05 c5 ff 16 02 01 e8 41 e6 c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 48 cb cd 9a c6 05 ac ff 16 02 01 e8 27 e6 c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 38.560119] RSP: 0018:ffffa5c402a37e48 EFLAGS: 00010286 # [ 38.566251] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 38.574546] RDX: ffff98f13ad2c620 RSI: ffff98f13ad1bf50 RDI: ffff98f13ad1bf50 # [ 38.582811] RBP: ffffffff9ad81ed1 R08: 0000000000000000 R09: 0000000000000000 # [ 38.591075] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 38.599341] R13: ffffa5c402a37f10 R14: ffffa5c402a37f10 R15: ffff98f0c2e2e000 # [ 38.613828] FS: 00007f7e4bcd3580(0000) GS:ffff98f13ad00000(0000) knlGS:0000000000000000 # [ 38.623195] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 38.629929] CR2: 00007f7e4badd000 CR3: 0000000102ab0001 CR4: 00000000003706e0 # [ 38.638194] Call Trace: # [ 38.641218] ? __warn+0x80/0x110 # [ 38.645144] ? refcount_warn_saturate+0xfb/0x110 # [ 38.650592] ? report_bug+0x9e/0xc0 # [ 38.654804] ? handle_bug+0x41/0x90 # [ 38.659011] ? exc_invalid_op+0x14/0x70 # [ 38.663586] ? asm_exc_invalid_op+0x12/0x20 # [ 38.668552] ? refcount_warn_saturate+0xfb/0x110 # [ 38.674025] ? refcount_warn_saturate+0xfb/0x110 # [ 38.685681] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 38.690935] direct_entry.cold+0x2c/0x38 # [ 38.695608] full_proxy_write+0x53/0x80 # [ 38.700183] vfs_write+0xe7/0x3b0 # [ 38.704199] ksys_write+0x68/0xf0 # [ 38.708192] do_syscall_64+0x30/0x40 # [ 38.712474] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 38.718407] RIP: 0033:0x7f7e4bbe9473 # [ 38.722691] 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 # [ 38.743967] RSP: 002b:00007ffd5673c0a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 38.752717] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f7e4bbe9473 # [ 38.760981] RDX: 0000000000000012 RSI: 00007f7e4badd000 RDI: 0000000000000001 # [ 38.769243] RBP: 00007f7e4badd000 R08: 00007f7e4badc010 R09: 0000000000000000 # [ 38.777507] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 38.785772] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 38.794039] irq event stamp: 0 # [ 38.797759] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 38.805052] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 38.814482] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 38.823911] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 38.831207] ---[ end trace 2116846283a514ab ]--- # [ 38.836653] 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 # [ 39.284623] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 39.292182] lkdtm: attempting bad refcount_dec() below zero # [ 39.298720] ------------[ cut here ]------------ # [ 39.304185] refcount_t: decrement hit 0; leaking memory. # [ 39.310447] WARNING: CPU: 3 PID: 2181 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 39.320177] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 39.379126] CPU: 3 PID: 2181 Comm: cat Tainted: G D W 5.10.199-cip39 #1 # [ 39.388104] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 39.395233] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 39.401365] Code: 78 cb cd 9a c6 05 c5 ff 16 02 01 e8 41 e6 c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 48 cb cd 9a c6 05 ac ff 16 02 01 e8 27 e6 c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 39.422667] RSP: 0018:ffffa5c402ae7e48 EFLAGS: 00010286 # [ 39.428795] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 39.437058] RDX: ffff98f13adac620 RSI: ffff98f13ad9bf50 RDI: ffff98f13ad9bf50 # [ 39.445342] RBP: ffffffff9ad81ee3 R08: 0000000000000000 R09: 0000000000000000 # [ 39.453612] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 39.468086] R13: ffffa5c402ae7f10 R14: ffffa5c402ae7f10 R15: ffff98f0c2bdb000 # [ 39.476351] FS: 00007f62acfa3580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000 # [ 39.485686] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 39.492398] CR2: 00007f62acdad000 CR3: 0000000102dcc001 CR4: 00000000003706e0 # [ 39.500662] Call Trace: # [ 39.503685] ? __warn+0x80/0x110 # [ 39.507613] ? refcount_warn_saturate+0xfb/0x110 # [ 39.513092] ? report_bug+0x9e/0xc0 # [ 39.517330] ? handle_bug+0x41/0x90 # [ 39.521526] ? exc_invalid_op+0x14/0x70 # [ 39.532329] ? asm_exc_invalid_op+0x12/0x20 # [ 39.537309] ? refcount_warn_saturate+0xfb/0x110 # [ 39.548960] ? refcount_warn_saturate+0xfb/0x110 # [ 39.554411] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 39.560057] direct_entry.cold+0x2c/0x38 # [ 39.564760] full_proxy_write+0x53/0x80 # [ 39.569361] vfs_write+0xe7/0x3b0 # [ 39.573394] ksys_write+0x68/0xf0 # [ 39.577400] do_syscall_64+0x30/0x40 # [ 39.581713] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 39.587647] RIP: 0033:0x7f62aceb9473 # [ 39.591931] 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 # [ 39.613219] RSP: 002b:00007ffe9ade6da8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 39.628178] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f62aceb9473 # [ 39.636444] RDX: 0000000000000016 RSI: 00007f62acdad000 RDI: 0000000000000001 # [ 39.644708] RBP: 00007f62acdad000 R08: 00007f62acdac010 R09: 0000000000000000 # [ 39.652974] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 39.661237] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 39.669505] irq event stamp: 0 # [ 39.673235] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 39.680530] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 39.689960] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 39.699394] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 39.706689] ---[ end trace 2116846283a514ac ]--- # [ 39.712136] 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 # [ 39.831492] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 39.843494] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 39.850891] ------------[ cut here ]------------ # [ 39.856374] refcount_t: underflow; use-after-free. # [ 39.862053] WARNING: CPU: 3 PID: 2217 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 39.871785] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 39.930742] CPU: 3 PID: 2217 Comm: cat Tainted: G D W 5.10.199-cip39 #1 # [ 39.939686] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 39.946788] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 39.952917] Code: 02 01 e8 8b e6 c5 00 0f 0b c3 cc cc cc cc 80 3d fe ff 16 02 00 75 85 48 c7 c7 20 cb cd 9a c6 05 ee ff 16 02 01 e8 68 e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d d9 ff 16 02 00 0f 85 5e ff ff ff 48 c7 # [ 39.974196] RSP: 0018:ffffa5c402b47e40 EFLAGS: 00010286 # [ 39.980341] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 39.988606] RDX: ffff98f13adac620 RSI: ffff98f13ad9bf50 RDI: ffff98f13ad9bf50 # [ 39.996870] RBP: ffffffff9ad81b38 R08: 0000000000000000 R09: 0000000000000000 # [ 40.005133] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 40.013398] R13: ffffa5c402b47f10 R14: ffffa5c402b47f10 R15: ffff98f0c2d53000 # [ 40.021663] FS: 00007f5daabc0580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000 # [ 40.030998] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 40.037708] CR2: 00007f5daa9ca000 CR3: 00000001027be006 CR4: 00000000003706e0 # [ 40.045972] Call Trace: # [ 40.048997] ? __warn+0x80/0x110 # [ 40.052924] ? refcount_warn_saturate+0xba/0x110 # [ 40.058375] ? report_bug+0x9e/0xc0 # [ 40.062611] ? handle_bug+0x41/0x90 # [ 40.066826] ? exc_invalid_op+0x14/0x70 # [ 40.071401] ? asm_exc_invalid_op+0x12/0x20 # [ 40.076382] ? refcount_warn_saturate+0xba/0x110 # [ 40.081866] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 40.088336] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 40.094853] direct_entry.cold+0x2c/0x38 # [ 40.099526] full_proxy_write+0x53/0x80 # [ 40.104105] vfs_write+0xe7/0x3b0 # [ 40.108127] ksys_write+0x68/0xf0 # [ 40.112121] do_syscall_64+0x30/0x40 # [ 40.116434] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 40.122370] RIP: 0033:0x7f5daaad6473 # [ 40.126685] 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 # [ 40.147964] RSP: 002b:00007ffd514f8618 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 40.156714] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f5daaad6473 # [ 40.164985] RDX: 000000000000001f RSI: 00007f5daa9ca000 RDI: 0000000000000001 # [ 40.173282] RBP: 00007f5daa9ca000 R08: 00007f5daa9c9010 R09: 0000000000000000 # [ 40.181545] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 40.189810] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 40.198080] irq event stamp: 0 # [ 40.201809] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 40.209105] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 40.218536] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 40.227965] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 40.235259] ---[ end trace 2116846283a514ad ]--- # [ 40.240708] 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 # [ 41.221954] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 41.230020] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 41.243625] ------------[ cut here ]------------ # [ 41.255294] refcount_t: underflow; use-after-free. # [ 41.267176] WARNING: CPU: 0 PID: 2253 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 41.283075] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 41.342034] CPU: 0 PID: 2253 Comm: cat Tainted: G D W 5.10.199-cip39 #1 # [ 41.357211] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 41.370492] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 41.382880] Code: 02 01 e8 8b e6 c5 00 0f 0b c3 cc cc cc cc 80 3d fe ff 16 02 00 75 85 48 c7 c7 20 cb cd 9a c6 05 ee ff 16 02 01 e8 68 e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d d9 ff 16 02 00 0f 85 5e ff ff ff 48 c7 # [ 41.410357] RSP: 0018:ffffa5c402befe40 EFLAGS: 00010286 # [ 41.422716] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 41.437203] RDX: ffff98f13ac2c620 RSI: ffff98f13ac1bf50 RDI: ffff98f13ac1bf50 # [ 41.451700] RBP: ffffffff9ad81b58 R08: 0000000000000000 R09: 0000000000000000 # [ 41.466144] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 41.480665] R13: ffffa5c402beff10 R14: ffffa5c402beff10 R15: ffff98f0c4815000 # [ 41.495136] FS: 00007f7cba3bf580(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000 # [ 41.510671] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 41.523651] CR2: 00007f7cba1c9000 CR3: 0000000106efe002 CR4: 00000000003706f0 # [ 41.538084] Call Trace: # [ 41.547384] ? __warn+0x80/0x110 # [ 41.557432] ? refcount_warn_saturate+0xba/0x110 # [ 41.569126] ? report_bug+0x9e/0xc0 # [ 41.579494] ? handle_bug+0x41/0x90 # [ 41.589921] ? exc_invalid_op+0x14/0x70 # [ 41.600693] ? asm_exc_invalid_op+0x12/0x20 # [ 41.611887] ? refcount_warn_saturate+0xba/0x110 # [ 41.623537] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 41.636182] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b # [ 41.648903] direct_entry.cold+0x2c/0x38 # [ 41.659812] full_proxy_write+0x53/0x80 # [ 41.670586] vfs_write+0xe7/0x3b0 # [ 41.680810] ksys_write+0x68/0xf0 # [ 41.691003] do_syscall_64+0x30/0x40 # [ 41.701508] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 41.713651] RIP: 0033:0x7f7cba2d5473 # [ 41.724159] 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 # [ 41.751640] RSP: 002b:00007ffebe8aa398 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 41.766632] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f7cba2d5473 # [ 41.781095] RDX: 000000000000001f RSI: 00007f7cba1c9000 RDI: 0000000000000001 # [ 41.795585] RBP: 00007f7cba1c9000 R08: 00007f7cba1c8010 R09: 0000000000000000 # [ 41.810053] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 41.824526] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 41.839006] irq event stamp: 0 # [ 41.848906] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 41.856208] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 41.871862] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 41.887502] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 41.901022] ---[ end trace 2116846283a514ae ]--- # [ 41.912678] 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 # [ 42.031222] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 42.042723] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 42.056345] lkdtm: Good: zero detected # [ 42.067037] lkdtm: Correctly stayed at zero # [ 42.078214] lkdtm: attempting bad refcount_inc() from zero # [ 42.090850] ------------[ cut here ]------------ # [ 42.102512] refcount_t: addition on 0; use-after-free. # [ 42.114792] WARNING: CPU: 1 PID: 2286 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 42.130697] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 42.189652] CPU: 1 PID: 2286 Comm: cat Tainted: G D W 5.10.199-cip39 #1 # [ 42.204810] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 42.218123] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 42.230466] Code: 02 01 e8 d1 e6 c5 00 0f 0b c3 cc cc cc cc 80 3d 45 00 17 02 00 75 cb 48 c7 c7 f0 ca cd 9a c6 05 35 00 17 02 01 e8 ae e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 24 00 17 02 00 75 a8 48 c7 c7 c8 ca cd # [ 42.251764] RSP: 0018:ffffa5c402c7fe48 EFLAGS: 00010286 # [ 42.264082] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 42.278556] RDX: ffff98f13acac620 RSI: ffff98f13ac9bf50 RDI: ffff98f13ac9bf50 # [ 42.286821] RBP: ffffffff9ad81ef9 R08: 0000000000000000 R09: 0000000000000000 # [ 42.301294] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 42.309556] R13: ffffa5c402c7ff10 R14: ffffa5c402c7ff10 R15: ffff98f0c5a05000 # [ 42.324030] FS: 00007f9cc7576580(0000) GS:ffff98f13ac80000(0000) knlGS:0000000000000000 # [ 42.333363] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 42.346280] CR2: 00007f9cc7380000 CR3: 00000001038c6005 CR4: 00000000003706e0 # [ 42.354545] Call Trace: # [ 42.357569] ? __warn+0x80/0x110 # [ 42.367675] ? refcount_warn_saturate+0x74/0x110 # [ 42.373126] ? report_bug+0x9e/0xc0 # [ 42.383520] ? handle_bug+0x41/0x90 # [ 42.393920] ? exc_invalid_op+0x14/0x70 # [ 42.398519] ? asm_exc_invalid_op+0x12/0x20 # [ 42.409694] ? refcount_warn_saturate+0x74/0x110 # [ 42.421355] ? refcount_warn_saturate+0x74/0x110 # [ 42.433018] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 42.438273] direct_entry.cold+0x2c/0x38 # [ 42.449155] full_proxy_write+0x53/0x80 # [ 42.459945] vfs_write+0xe7/0x3b0 # [ 42.470155] ksys_write+0x68/0xf0 # [ 42.480374] do_syscall_64+0x30/0x40 # [ 42.484686] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 42.496826] RIP: 0033:0x7f9cc748c473 # [ 42.501109] 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 # [ 42.528591] RSP: 002b:00007ffc12308fd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 42.537343] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f9cc748c473 # [ 42.551814] RDX: 0000000000000012 RSI: 00007f9cc7380000 RDI: 0000000000000001 # [ 42.560078] RBP: 00007f9cc7380000 R08: 00007f9cc737f010 R09: 0000000000000000 # [ 42.574551] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 42.582815] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 42.597292] irq event stamp: 0 # [ 42.607202] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 42.614497] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 42.630134] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 42.639565] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 42.653066] ---[ end trace 2116846283a514af ]--- # [ 42.658514] 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 # [ 42.780039] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 42.788381] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 42.795773] lkdtm: Good: zero detected # [ 42.800284] lkdtm: Correctly stayed at zero # [ 42.811461] lkdtm: attempting bad refcount_add() from zero # [ 42.817879] ------------[ cut here ]------------ # [ 42.823340] refcount_t: addition on 0; use-after-free. # [ 42.829401] WARNING: CPU: 3 PID: 2319 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 42.839128] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 42.898100] CPU: 3 PID: 2319 Comm: cat Tainted: G D W 5.10.199-cip39 #1 # [ 42.907059] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 42.920363] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 42.926517] Code: 02 01 e8 d1 e6 c5 00 0f 0b c3 cc cc cc cc 80 3d 45 00 17 02 00 75 cb 48 c7 c7 f0 ca cd 9a c6 05 35 00 17 02 01 e8 ae e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 24 00 17 02 00 75 a8 48 c7 c7 c8 ca cd # [ 42.947791] RSP: 0018:ffffa5c402d27e48 EFLAGS: 00010286 # [ 42.953917] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 42.962178] RDX: ffff98f13adac620 RSI: ffff98f13ad9bf50 RDI: ffff98f13ad9bf50 # [ 42.970431] RBP: ffffffff9ad81f0b R08: 0000000000000000 R09: 0000000000000000 # [ 42.978692] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 42.986946] R13: ffffa5c402d27f10 R14: ffffa5c402d27f10 R15: ffff98f0c2e99000 # [ 42.995210] FS: 00007f793373b580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000 # [ 43.004541] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 43.011249] CR2: 00007f7933545000 CR3: 0000000102eda004 CR4: 00000000003706e0 # [ 43.019512] Call Trace: # [ 43.022535] ? __warn+0x80/0x110 # [ 43.026456] ? refcount_warn_saturate+0x74/0x110 # [ 43.038113] ? report_bug+0x9e/0xc0 # [ 43.042299] ? handle_bug+0x41/0x90 # [ 43.046507] ? exc_invalid_op+0x14/0x70 # [ 43.051081] ? asm_exc_invalid_op+0x12/0x20 # [ 43.056046] ? refcount_warn_saturate+0x74/0x110 # [ 43.061524] ? refcount_warn_saturate+0x74/0x110 # [ 43.066975] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 43.078440] direct_entry.cold+0x2c/0x38 # [ 43.083116] full_proxy_write+0x53/0x80 # [ 43.087722] vfs_write+0xe7/0x3b0 # [ 43.091716] ksys_write+0x68/0xf0 # [ 43.095739] do_syscall_64+0x30/0x40 # [ 43.100024] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 43.105957] RIP: 0033:0x7f7933651473 # [ 43.110241] 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 # [ 43.131517] RSP: 002b:00007ffe556881b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 43.140267] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f7933651473 # [ 43.148532] RDX: 0000000000000012 RSI: 00007f7933545000 RDI: 0000000000000001 # [ 43.156796] RBP: 00007f7933545000 R08: 00007f7933544010 R09: 0000000000000000 # [ 43.165061] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 43.173344] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 43.181614] irq event stamp: 0 # [ 43.185344] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 43.192637] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 43.202067] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 43.211496] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 43.218788] ---[ end trace 2116846283a514b0 ]--- # [ 43.224235] 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 # [ 43.346691] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 43.354429] lkdtm: attempting bad refcount_inc() from saturated # [ 43.361385] ------------[ cut here ]------------ # [ 43.366844] refcount_t: saturated; leaking memory. # [ 43.372505] WARNING: CPU: 2 PID: 2355 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 43.382231] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 43.441242] CPU: 2 PID: 2355 Comm: cat Tainted: G D W 5.10.199-cip39 #1 # [ 43.450199] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 43.463505] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 43.469657] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 69 00 17 02 00 75 ee 48 c7 c7 c8 ca cd 9a c6 05 59 00 17 02 01 e8 d1 e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 45 00 17 02 00 75 cb 48 c7 c7 f0 ca cd # [ 43.490934] RSP: 0018:ffffa5c402db7e48 EFLAGS: 00010286 # [ 43.497062] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 43.505348] RDX: ffff98f13ad2c620 RSI: ffff98f13ad1bf50 RDI: ffff98f13ad1bf50 # [ 43.519828] RBP: ffffffff9ad81f1d R08: 0000000000000000 R09: 0000000000000000 # [ 43.528092] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 43.536356] R13: ffffa5c402db7f10 R14: ffffa5c402db7f10 R15: ffff98f0c2b06000 # [ 43.544641] FS: 00007f48d5f5f580(0000) GS:ffff98f13ad00000(0000) knlGS:0000000000000000 # [ 43.553972] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 43.560681] CR2: 00007f48d5d69000 CR3: 0000000102efa005 CR4: 00000000003706e0 # [ 43.568943] Call Trace: # [ 43.571966] ? __warn+0x80/0x110 # [ 43.575865] ? refcount_warn_saturate+0x51/0x110 # [ 43.581331] ? report_bug+0x9e/0xc0 # [ 43.585527] ? handle_bug+0x41/0x90 # [ 43.595920] ? exc_invalid_op+0x14/0x70 # [ 43.600496] ? asm_exc_invalid_op+0x12/0x20 # [ 43.605463] ? refcount_warn_saturate+0x51/0x110 # [ 43.610938] ? refcount_warn_saturate+0x51/0x110 # [ 43.622595] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 43.628362] direct_entry.cold+0x2c/0x38 # [ 43.639247] full_proxy_write+0x53/0x80 # [ 43.643845] vfs_write+0xe7/0x3b0 # [ 43.647862] ksys_write+0x68/0xf0 # [ 43.651853] do_syscall_64+0x30/0x40 # [ 43.656136] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 43.662070] RIP: 0033:0x7f48d5e75473 # [ 43.666352] 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 # [ 43.687628] RSP: 002b:00007ffcef9d23d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 43.696389] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f48d5e75473 # [ 43.704652] RDX: 0000000000000017 RSI: 00007f48d5d69000 RDI: 0000000000000001 # [ 43.712916] RBP: 00007f48d5d69000 R08: 00007f48d5d68010 R09: 0000000000000000 # [ 43.721177] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 43.729440] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 43.737707] irq event stamp: 0 # [ 43.741436] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 43.748728] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 43.758158] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 43.767584] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 43.774876] ---[ end trace 2116846283a514b1 ]--- # [ 43.780339] 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 # [ 44.364960] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 44.378018] lkdtm: attempting bad refcount_dec() from saturated # [ 44.384937] ------------[ cut here ]------------ # [ 44.396588] refcount_t: decrement hit 0; leaking memory. # [ 44.402843] WARNING: CPU: 2 PID: 2391 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 44.412570] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 44.471526] CPU: 2 PID: 2391 Comm: cat Tainted: G D W 5.10.199-cip39 #1 # [ 44.480492] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 44.487595] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 44.493746] Code: 78 cb cd 9a c6 05 c5 ff 16 02 01 e8 41 e6 c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 48 cb cd 9a c6 05 ac ff 16 02 01 e8 27 e6 c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 44.515023] RSP: 0018:ffffa5c402cffe48 EFLAGS: 00010286 # [ 44.521151] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 44.529418] RDX: ffff98f13ad2c620 RSI: ffff98f13ad1bf50 RDI: ffff98f13ad1bf50 # [ 44.537683] RBP: ffffffff9ad81f34 R08: 0000000000000000 R09: 0000000000000000 # [ 44.545948] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 44.554211] R13: ffffa5c402cfff10 R14: ffffa5c402cfff10 R15: ffff98f0c29fe000 # [ 44.562474] FS: 00007fd8868b5580(0000) GS:ffff98f13ad00000(0000) knlGS:0000000000000000 # [ 44.571805] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.578515] CR2: 00007fd8866bf000 CR3: 0000000102bfc001 CR4: 00000000003706e0 # [ 44.586778] Call Trace: # [ 44.589803] ? __warn+0x80/0x110 # [ 44.593725] ? refcount_warn_saturate+0xfb/0x110 # [ 44.605385] ? report_bug+0x9e/0xc0 # [ 44.609602] ? handle_bug+0x41/0x90 # [ 44.613809] ? exc_invalid_op+0x14/0x70 # [ 44.618385] ? asm_exc_invalid_op+0x12/0x20 # [ 44.623405] ? refcount_warn_saturate+0xfb/0x110 # [ 44.628863] ? refcount_warn_saturate+0xfb/0x110 # [ 44.640519] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 44.646266] direct_entry.cold+0x2c/0x38 # [ 44.657147] full_proxy_write+0x53/0x80 # [ 44.661755] vfs_write+0xe7/0x3b0 # [ 44.665753] ksys_write+0x68/0xf0 # [ 44.669748] do_syscall_64+0x30/0x40 # [ 44.674061] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 44.679994] RIP: 0033:0x7fd8867cb473 # [ 44.684302] 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 # [ 44.684313] RSP: 002b:00007fffc263ac28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 44.684316] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fd8867cb473 # [ 44.684318] RDX: 0000000000000017 RSI: 00007fd8866bf000 RDI: 0000000000000001 # [ 44.737080] RBP: 00007fd8866bf000 R08: 00007fd8866be010 R09: 0000000000000000 # [ 44.745341] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 44.753597] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 44.761867] irq event stamp: 0 # [ 44.765596] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 44.772890] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 44.782343] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 44.791771] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 44.799066] ---[ end trace 2116846283a514b2 ]--- # [ 44.804512] 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 # [ 44.914188] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 44.923473] lkdtm: attempting bad refcount_dec() from saturated # [ 44.936585] ------------[ cut here ]------------ # [ 44.948248] refcount_t: saturated; leaking memory. # [ 44.960143] WARNING: CPU: 0 PID: 2427 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 44.976031] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 45.035054] CPU: 0 PID: 2427 Comm: cat Tainted: G D W 5.10.199-cip39 #1 # [ 45.050168] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 45.063540] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 45.075825] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 69 00 17 02 00 75 ee 48 c7 c7 c8 ca cd 9a c6 05 59 00 17 02 01 e8 d1 e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 45 00 17 02 00 75 cb 48 c7 c7 f0 ca cd # [ 45.103364] RSP: 0018:ffffa5c402ecfe48 EFLAGS: 00010286 # [ 45.115670] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 45.130183] RDX: ffff98f13ac2c620 RSI: ffff98f13ac1bf50 RDI: ffff98f13ac1bf50 # [ 45.144643] RBP: ffffffff9ad81f4b R08: 0000000000000000 R09: 0000000000000000 # [ 45.159166] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 45.173636] R13: ffffa5c402ecff10 R14: ffffa5c402ecff10 R15: ffff98f0c2aa0000 # [ 45.188154] FS: 00007f0ce5299580(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000 # [ 45.203691] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 45.216623] CR2: 00007f0ce50a3000 CR3: 0000000102b80005 CR4: 00000000003706f0 # [ 45.231100] Call Trace: # [ 45.240387] ? __warn+0x80/0x110 # [ 45.250496] ? refcount_warn_saturate+0x51/0x110 # [ 45.262186] ? report_bug+0x9e/0xc0 # [ 45.272582] ? handle_bug+0x41/0x90 # [ 45.283004] ? exc_invalid_op+0x14/0x70 # [ 45.293810] ? asm_exc_invalid_op+0x12/0x20 # [ 45.304986] ? refcount_warn_saturate+0x51/0x110 # [ 45.316643] ? refcount_warn_saturate+0x51/0x110 # [ 45.328326] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 45.340268] direct_entry.cold+0x2c/0x38 # [ 45.351158] full_proxy_write+0x53/0x80 # [ 45.361976] vfs_write+0xe7/0x3b0 # [ 45.372201] ksys_write+0x68/0xf0 # [ 45.382417] do_syscall_64+0x30/0x40 # [ 45.392926] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 45.405094] RIP: 0033:0x7f0ce51af473 # [ 45.415592] 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 # [ 45.443109] RSP: 002b:00007fffa9a312d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 45.458062] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f0ce51af473 # [ 45.466352] RDX: 0000000000000017 RSI: 00007f0ce50a3000 RDI: 0000000000000001 # [ 45.480858] RBP: 00007f0ce50a3000 R08: 00007f0ce50a2010 R09: 0000000000000000 # [ 45.495300] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 45.509795] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 45.524303] irq event stamp: 0 # [ 45.534191] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 45.547688] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 45.563341] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 45.579023] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 45.592518] ---[ end trace 2116846283a514b3 ]--- # [ 45.597989] 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 # [ 45.975641] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 45.986242] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 46.000234] ------------[ cut here ]------------ # [ 46.011860] refcount_t: saturated; leaking memory. # [ 46.023778] WARNING: CPU: 0 PID: 2460 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 46.039700] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 46.098658] CPU: 0 PID: 2460 Comm: cat Tainted: G D W 5.10.199-cip39 #1 # [ 46.113777] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 46.120910] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 46.133255] Code: 02 01 e8 ae e6 c5 00 0f 0b c3 cc cc cc cc 80 3d 24 00 17 02 00 75 a8 48 c7 c7 c8 ca cd 9a c6 05 14 00 17 02 01 e8 8b e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d fe ff 16 02 00 75 85 48 c7 c7 20 cb cd # [ 46.160774] RSP: 0018:ffffa5c402f4fe38 EFLAGS: 00010282 # [ 46.173083] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 46.181358] RDX: ffff98f13ac2c620 RSI: ffff98f13ac1bf50 RDI: ffff98f13ac1bf50 # [ 46.195866] RBP: ffffffff9ad81b78 R08: 0000000000000000 R09: 0000000000000000 # [ 46.210340] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 46.224857] R13: ffffa5c402f4ff10 R14: ffffa5c402f4ff10 R15: ffff98f0c38cf000 # [ 46.239350] FS: 00007f417e334580(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000 # [ 46.254924] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.267836] CR2: 00007f417e13e000 CR3: 00000001027dc006 CR4: 00000000003706f0 # [ 46.276124] Call Trace: # [ 46.285404] ? __warn+0x80/0x110 # [ 46.295473] ? refcount_warn_saturate+0x97/0x110 # [ 46.307176] ? report_bug+0x9e/0xc0 # [ 46.317543] ? handle_bug+0x41/0x90 # [ 46.327971] ? exc_invalid_op+0x14/0x70 # [ 46.338735] ? asm_exc_invalid_op+0x12/0x20 # [ 46.349949] ? refcount_warn_saturate+0x97/0x110 # [ 46.361587] ? refcount_warn_saturate+0x97/0x110 # [ 46.373254] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 46.385885] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 46.398728] direct_entry.cold+0x2c/0x38 # [ 46.409601] full_proxy_write+0x53/0x80 # [ 46.420433] vfs_write+0xe7/0x3b0 # [ 46.430626] ksys_write+0x68/0xf0 # [ 46.440846] do_syscall_64+0x30/0x40 # [ 46.451356] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 46.463526] RIP: 0033:0x7f417e24a473 # [ 46.474006] 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 # [ 46.501523] RSP: 002b:00007fffc34ee4c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 46.516471] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f417e24a473 # [ 46.530955] RDX: 0000000000000020 RSI: 00007f417e13e000 RDI: 0000000000000001 # [ 46.545431] RBP: 00007f417e13e000 R08: 00007f417e13d010 R09: 0000000000000000 # [ 46.559920] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 46.574411] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 46.588893] irq event stamp: 0 # [ 46.598804] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 46.612302] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 46.627970] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 46.643611] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 46.657130] ---[ end trace 2116846283a514b4 ]--- # [ 46.668785] 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 # [ 46.784426] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 46.794748] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 46.802552] ------------[ cut here ]------------ # [ 46.807999] refcount_t: saturated; leaking memory. # [ 46.813670] WARNING: CPU: 3 PID: 2493 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 46.823386] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 46.882341] CPU: 3 PID: 2493 Comm: cat Tainted: G D W 5.10.199-cip39 #1 # [ 46.897499] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 46.904598] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 46.910726] Code: 02 01 e8 ae e6 c5 00 0f 0b c3 cc cc cc cc 80 3d 24 00 17 02 00 75 a8 48 c7 c7 c8 ca cd 9a c6 05 14 00 17 02 01 e8 8b e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d fe ff 16 02 00 75 85 48 c7 c7 20 cb cd # [ 46.932005] RSP: 0018:ffffa5c403007e38 EFLAGS: 00010282 # [ 46.938164] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 46.946426] RDX: ffff98f13adac620 RSI: ffff98f13ad9bf50 RDI: ffff98f13ad9bf50 # [ 46.954690] RBP: ffffffff9ad81b98 R08: 0000000000000000 R09: 0000000000000000 # [ 46.962959] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 46.971258] R13: ffffa5c403007f10 R14: ffffa5c403007f10 R15: ffff98f0c2f74000 # [ 46.979546] FS: 00007efd236a4580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000 # [ 46.988877] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.995587] CR2: 00007efd234ae000 CR3: 00000001048e4001 CR4: 00000000003706e0 # [ 47.003849] Call Trace: # [ 47.006865] ? __warn+0x80/0x110 # [ 47.010789] ? refcount_warn_saturate+0x97/0x110 # [ 47.016238] ? report_bug+0x9e/0xc0 # [ 47.020424] ? handle_bug+0x41/0x90 # [ 47.024633] ? exc_invalid_op+0x14/0x70 # [ 47.029206] ? asm_exc_invalid_op+0x12/0x20 # [ 47.034171] ? refcount_warn_saturate+0x97/0x110 # [ 47.039642] ? refcount_warn_saturate+0x97/0x110 # [ 47.045092] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 47.051509] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 47.058123] direct_entry.cold+0x2c/0x38 # [ 47.062793] full_proxy_write+0x53/0x80 # [ 47.067384] vfs_write+0xe7/0x3b0 # [ 47.071386] ksys_write+0x68/0xf0 # [ 47.075388] do_syscall_64+0x30/0x40 # [ 47.079670] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 47.085604] RIP: 0033:0x7efd235ba473 # [ 47.089886] 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 # [ 47.111161] RSP: 002b:00007fffe6d9ef78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 47.119910] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007efd235ba473 # [ 47.128172] RDX: 0000000000000020 RSI: 00007efd234ae000 RDI: 0000000000000001 # [ 47.136427] RBP: 00007efd234ae000 R08: 00007efd234ad010 R09: 0000000000000000 # [ 47.144689] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 47.152951] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 47.161221] irq event stamp: 0 # [ 47.164964] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 47.178484] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 47.187929] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 47.203566] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 47.210860] ---[ end trace 2116846283a514b5 ]--- # [ 47.216339] 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 # [ 47.575684] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 47.584649] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 47.598635] ------------[ cut here ]------------ # [ 47.610305] refcount_t: underflow; use-after-free. # [ 47.622169] WARNING: CPU: 0 PID: 2529 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 47.638134] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 47.697063] CPU: 0 PID: 2529 Comm: cat Tainted: G D W 5.10.199-cip39 #1 # [ 47.712281] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 47.725571] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 47.737913] Code: 02 01 e8 8b e6 c5 00 0f 0b c3 cc cc cc cc 80 3d fe ff 16 02 00 75 85 48 c7 c7 20 cb cd 9a c6 05 ee ff 16 02 01 e8 68 e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d d9 ff 16 02 00 0f 85 5e ff ff ff 48 c7 # [ 47.765399] RSP: 0018:ffffa5c403077e40 EFLAGS: 00010286 # [ 47.777747] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 47.792209] RDX: ffff98f13ac2c620 RSI: ffff98f13ac1bf50 RDI: ffff98f13ac1bf50 # [ 47.806729] RBP: ffffffff9ad81bb8 R08: 0000000000000000 R09: 0000000000000000 # [ 47.821194] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 47.835674] R13: ffffa5c403077f10 R14: ffffa5c403077f10 R15: ffff98f0c2c8e000 # [ 47.850197] FS: 00007f7b71251580(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000 # [ 47.865762] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.878692] CR2: 00007f7b7105b000 CR3: 000000010484e005 CR4: 00000000003706f0 # [ 47.893157] Call Trace: # [ 47.902436] ? __warn+0x80/0x110 # [ 47.912564] ? refcount_warn_saturate+0xba/0x110 # [ 47.924216] ? report_bug+0x9e/0xc0 # [ 47.934645] ? handle_bug+0x41/0x90 # [ 47.945025] ? exc_invalid_op+0x14/0x70 # [ 47.955818] ? asm_exc_invalid_op+0x12/0x20 # [ 47.966993] ? refcount_warn_saturate+0xba/0x110 # [ 47.978666] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 47.991294] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 48.004134] direct_entry.cold+0x2c/0x38 # [ 48.015017] full_proxy_write+0x53/0x80 # [ 48.025811] vfs_write+0xe7/0x3b0 # [ 48.036014] ksys_write+0x68/0xf0 # [ 48.046232] do_syscall_64+0x30/0x40 # [ 48.056728] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 48.068875] RIP: 0033:0x7f7b71167473 # [ 48.079389] 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 # [ 48.106882] RSP: 002b:00007ffc4330e958 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.121840] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f7b71167473 # [ 48.136356] RDX: 0000000000000020 RSI: 00007f7b7105b000 RDI: 0000000000000001 # [ 48.150809] RBP: 00007f7b7105b000 R08: 00007f7b7105a010 R09: 0000000000000000 # [ 48.165297] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 48.179772] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.194267] irq event stamp: 0 # [ 48.204190] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.217694] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 48.233334] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 48.248990] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.262489] ---[ end trace 2116846283a514b6 ]--- # [ 48.274163] 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 # [ 48.409773] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 48.418785] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 48.432793] ------------[ cut here ]------------ # [ 48.444419] refcount_t: underflow; use-after-free. # [ 48.456336] WARNING: CPU: 0 PID: 2565 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 48.472275] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 48.531238] CPU: 0 PID: 2565 Comm: cat Tainted: G D W 5.10.199-cip39 #1 # [ 48.546394] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.559748] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 48.572079] Code: 02 01 e8 8b e6 c5 00 0f 0b c3 cc cc cc cc 80 3d fe ff 16 02 00 75 85 48 c7 c7 20 cb cd 9a c6 05 ee ff 16 02 01 e8 68 e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d d9 ff 16 02 00 0f 85 5e ff ff ff 48 c7 # [ 48.599612] RSP: 0018:ffffa5c403117e40 EFLAGS: 00010286 # [ 48.611943] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 48.626462] RDX: ffff98f13ac2c620 RSI: ffff98f13ac1bf50 RDI: ffff98f13ac1bf50 # [ 48.640929] RBP: ffffffff9ad81bd8 R08: 0000000000000000 R09: 0000000000000000 # [ 48.655449] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 48.669916] R13: ffffa5c403117f10 R14: ffffa5c403117f10 R15: ffff98f0c2dff000 # [ 48.684397] FS: 00007f53805f3580(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000 # [ 48.699969] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.712938] CR2: 00007f53803fd000 CR3: 00000001053ee003 CR4: 00000000003706f0 # [ 48.727402] Call Trace: # [ 48.736664] ? __warn+0x80/0x110 # [ 48.746740] ? refcount_warn_saturate+0xba/0x110 # [ 48.758428] ? report_bug+0x9e/0xc0 # [ 48.768815] ? handle_bug+0x41/0x90 # [ 48.779205] ? exc_invalid_op+0x14/0x70 # [ 48.789987] ? asm_exc_invalid_op+0x12/0x20 # [ 48.801196] ? refcount_warn_saturate+0xba/0x110 # [ 48.812836] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 48.825476] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 48.838314] direct_entry.cold+0x2c/0x38 # [ 48.849207] full_proxy_write+0x53/0x80 # [ 48.859988] vfs_write+0xe7/0x3b0 # [ 48.870211] ksys_write+0x68/0xf0 # [ 48.880421] do_syscall_64+0x30/0x40 # [ 48.890925] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 48.903063] RIP: 0033:0x7f5380509473 # [ 48.913581] 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 # [ 48.941060] RSP: 002b:00007ffc9303eb98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.956073] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f5380509473 # [ 48.970514] RDX: 0000000000000020 RSI: 00007f53803fd000 RDI: 0000000000000001 # [ 48.985015] RBP: 00007f53803fd000 R08: 00007f53803fc010 R09: 0000000000000000 # [ 48.999477] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 49.013966] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.028449] irq event stamp: 0 # [ 49.038346] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.051857] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 49.067524] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 49.083184] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.096696] ---[ end trace 2116846283a514b7 ]--- # [ 49.108358] 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 # [ 49.302336] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 49.314199] lkdtm: attempting good copy_to_user of correct size # [ 49.327347] 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 # [ 49.456418] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 49.465808] lkdtm: attempting good copy_from_user of correct size # [ 49.472939] 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 # [ 49.593264] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 49.605778] lkdtm: attempting good copy_to_user inside whitelist # [ 49.619021] 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 # [ 49.745436] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 49.757993] lkdtm: attempting good copy_from_user inside whitelist # [ 49.765248] 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 # [ 49.884480] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 49.897725] lkdtm: good_stack: ffffa5c40348fe20-ffffa5c40348fe40 # [ 49.904760] lkdtm: bad_stack : ffffa5c40348fda8-ffffa5c40348fdc8 # [ 49.911816] lkdtm: attempting good copy_to_user of local stack # [ 49.918637] 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 # [ 50.046231] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 50.057294] lkdtm: good_stack: ffffa5c403527e20-ffffa5c403527e40 # [ 50.070493] lkdtm: bad_stack : ffffa5c403527da8-ffffa5c403527dc8 # [ 50.083746] lkdtm: attempting good copy_from_user of local stack # [ 50.096977] 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 # [ 50.227065] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 50.235376] lkdtm: good_stack: ffffa5c4035a7e20-ffffa5c4035a7e40 # [ 50.242414] lkdtm: bad_stack : ffffa5c4035a7ff8-ffffa5c4035a8018 # [ 50.249474] lkdtm: attempting good copy_to_user of local stack # [ 50.256298] lkdtm: attempting bad copy_to_user of distant stack # [ 50.269414] 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 # [ 50.388511] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 50.400116] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff9a8f8250 # [ 50.415307] lkdtm: attempting bad copy_to_user from kernel text: ffffffff98ee2ad0 # [ 50.430141] 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 # [ 50.555053] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 50.566908] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 50.575112] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 50.583216] lkdtm: FAIL: the thread stack is NOT properly erased # [ 50.590220] CPU: 2 PID: 2941 Comm: cat Tainted: G D W 5.10.199-cip39 #1 # [ 50.599161] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.606255] Call Trace: # [ 50.609278] dump_stack+0x77/0x9b # [ 50.613299] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 50.618744] direct_entry.cold+0x2c/0x38 # [ 50.623413] full_proxy_write+0x53/0x80 # [ 50.627987] vfs_write+0xe7/0x3b0 # [ 50.631976] ksys_write+0x68/0xf0 # [ 50.635967] do_syscall_64+0x30/0x40 # [ 50.640246] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 50.646178] RIP: 0033:0x7f29d0902473 # [ 50.650448] 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 # [ 50.671723] RSP: 002b:00007fff6b97b078 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.680464] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f29d0902473 # [ 50.688716] RDX: 0000000000000012 RSI: 00007f29d07f6000 RDI: 0000000000000001 # [ 50.696976] RBP: 00007f29d07f6000 R08: 00007f29d07f5010 R09: 0000000000000000 # [ 50.705238] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 50.713498] 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 # [ 50.833317] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 50.840280] lkdtm: Calling matched prototype ... # [ 50.845733] lkdtm: Calling mismatched prototype ... # [ 50.857687] 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_selftests_lkdtm_panic_sh skip lkdtm_BUG_sh pass lkdtm_WARNING_sh pass lkdtm_WARNING_MESSAGE_sh pass lkdtm_EXCEPTION_sh pass lkdtm_LOOP_sh_selftests_lkdtm_loop_sh skip lkdtm_EXHAUST_STACK_sh_selftests_lkdtm_exhaust_stack_sh skip lkdtm_CORRUPT_STACK_sh_selftests_lkdtm_corrupt_stack_sh skip lkdtm_CORRUPT_STACK_STRONG_sh_selftests_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_selftests_lkdtm_double_fault_sh skip lkdtm_CORRUPT_PAC_sh_selftests_lkdtm_corrupt_pac_sh skip lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh_selftests_lkdtm_unaligned_load_store_write_sh skip lkdtm_OVERWRITE_ALLOCATION_sh_selftests_lkdtm_overwrite_allocation_sh skip lkdtm_WRITE_AFTER_FREE_sh_selftests_lkdtm_write_after_free_sh skip lkdtm_READ_AFTER_FREE_sh fail lkdtm_WRITE_BUDDY_AFTER_FREE_sh_selftests_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_selftests_lkdtm_softlockup_sh skip lkdtm_HARDLOCKUP_sh_selftests_lkdtm_hardlockup_sh skip lkdtm_SPINLOCKUP_sh_selftests_lkdtm_spinlockup_sh skip lkdtm_HUNG_TASK_sh_selftests_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_selftests_lkdtm_refcount_timing_sh skip lkdtm_ATOMIC_TIMING_sh_selftests_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 / #