[Enter `^Ec?' for help] coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_A:0.0.10/29d77172 RW_B:0.3.15/cr50_v1.9308_87_mp.224-6339b6f Initialized TPM device CR50 revision 0 tlcl_send_startup: Startup return code is 0 TPM: setup succeeded src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0 Chrome EC: UHEPI supported Phase 1 FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x0 / 0x0 Phase 2 Phase 3 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_report_dev_firmware() This is developer signed firmware FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) VB2:vb2_verify_keyblock() Checking key block signature... FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) VB2:vb2_verify_fw_preamble() Verifying preamble. Phase 4 FMAP: area FW_MAIN_B found @ 5f8000 (4030400 bytes) VB2:vb2api_init_hash() HW crypto for hash_alg 2 not supported, using SW VB2:vb2_rsa_verify_digest() Digest check failed! VB2:vb2_fail() Need recovery, reason: 0x1b / 0x7 Saving nvdata Reboot requested (10020007) board_reset() called! full_reset() called! coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_A:0.0.10/29d77172 RW_B:0.3.15/cr50_v1.9308_87_mp.224-6339b6f Initialized TPM device CR50 revision 0 tlcl_send_startup: Startup return code is 0 TPM: setup succeeded src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0 Chrome EC: UHEPI supported Phase 1 FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x1b / 0x7 VB2:vb2_check_recovery() We have a recovery request: 0x1b / 0x0 Recovery requested (1009000e) Saving nvdata tlcl_extend: response is 0 tlcl_extend: response is 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/romstage' CBFS: Found @ offset 80 size 10ffc coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 romstage starting... pm1_sts: 0100 pm1_en: 0000 pm1_cnt: 00001c00 gpe0_sts[0]: 00000000 gpe0_en[0]: 00000000 gpe0_sts[1]: 00000000 gpe0_en[1]: 00000000 gpe0_sts[2]: 00000001 gpe0_en[2]: 00000000 gpe0_sts[3]: 00000000 gpe0_en[3]: 00010000 TCO_STS: 0000 0000 GEN_PMCON: e0040200 0000523a GBLRST_CAUSE: 00000000 00000000 prev_sleep_state 5 Boot Count incremented to 56291 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fspm.bin' CBFS: Found @ offset 103fc0 size 63000 Chrome EC: UHEPI supported FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RECOVERY_MRC_CACHE found @ 9d0000 (65536 bytes) Probing TPM: done! Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_A:0.0.10/29d77172 RW_B:0.3.15/cr50_v1.9308_87_mp.224-6339b6f Initialized TPM device CR50 revision 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: Hash comparison successful. Using data from RECOVERY_MRC_CACHE MRC cache found, size 1868 bootmode is set to :2 SPD index 1 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'spd.bin' CBFS: Found @ offset 1a0240 size 800 SPD: module type is LPDDR3 SPD: module part is K4E8E324EB-EGCF SPD: banks 8, ranks 1, rows 15, columns 10, density 8192 Mb SPD: device width 32 bits, bus width 64 bits SPD: module size is 2048 MB (per channel) CBMEM: IMD: root @ 7afff000 254 entries. IMD: root @ 7affec00 62 entries. External stage cache: IMD: root @ 7b3ff000 254 entries. IMD: root @ 7b3fec00 62 entries. creating vboot_handoff structure Chrome EC: clear events_b mask to 0x0000000021004000 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 tlcl_write: response is 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: TPM MRC hash updated successfully. 2 DIMMs found top_of_ram = 0x7b000000 MTRR Range: Start=7a000000 End=7b000000 (Size 1000000) MTRR Range: Start=7b000000 End=7b800000 (Size 800000) MTRR Range: Start=ff000000 End=0 (Size 1000000) CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/postcar' CBFS: Found @ offset 197000 size 3f04 Decompressing stage fallback/postcar @ 0x7abd0fc0 (32720 bytes) Loading module at 7abd1000 with entry 7abd1000. filesize: 0x3cd0 memsize: 0x7f90 Processing 118 relocs. Offset value of 0x78bd1000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 postcar starting... CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/ramstage' CBFS: Found @ offset e8d80 size 1a462 Decompressing stage fallback/ramstage @ 0x7ab05fc0 (826808 bytes) Loading module at 7ab06000 with entry 7ab06000. filesize: 0x38d90 memsize: 0xc9d78 Processing 3657 relocs. Offset value of 0x79d06000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 ramstage starting... FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RO_VPD found @ c00000 (16384 bytes) WARNING: RO_VPD is uninitialized or empty. FMAP: area RW_VPD found @ 9f8000 (8192 bytes) FMAP: area RW_VPD found @ 9f8000 (8192 bytes) Normal boot. BS: BS_PRE_DEVICE times (us): entry 0 run 30 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'cpu_microcode_blob.bin' CBFS: Found @ offset 11100 size d7c00 microcode: sig=0x806e9 pf=0x10 revision=0x97 Skip microcode update CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fsps.bin' CBFS: Found @ offset 167fc0 size 2f000 Detected 2 core, 4 thread CPU. Setting up SMI for CPU IED base = 0x7b400000 IED size = 0x00400000 Will perform SMM setup. CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz. Loading module at 00030000 with entry 00030000. filesize: 0x170 memsize: 0x170 Processing 16 relocs. Offset value of 0x00030000 Attempting to start 3 APs Waiting for 10ms after sending INIT. Waiting for 1st SIPI to complete...done. AP: slot 2 apic_id 2. AP: slot 3 apic_id 3. 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 0x7afff400 In relocation handler: CPU 3 New SMBASE=0x7afff400 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff800 In relocation handler: CPU 2 New SMBASE=0x7afff800 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. Initializing CPU #0 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC... apic_id: 0x00 done. Turbo is available but hidden Turbo has been enabled SGX : param.enable = 0 Skip microcode update CPU #0 initialized Initializing CPU #1 Initializing CPU #2 Initializing CPU #3 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...Setting up local APIC... apic_id: 0x02 done. apic_id: 0x03 done. Skip microcode update Skip microcode update CPU #2 initialized CPU #3 initialized apic_id: 0x01 done. Skip microcode update CPU #1 initialized bsp_do_flight_plan done after 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 376170 run 169353 exit 0 Enumerating buses... Show all devs... Before device enumeration. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 00:5c: enabled 1 I2C: 00:15: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 02: enabled 1 APIC: 03: enabled 1 Compare with tree... Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 APIC: 00: enabled 1 APIC: 01: enabled 1 APIC: 02: enabled 1 APIC: 03: enabled 1 DOMAIN: 0000: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 USB0 port 0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 I2C: 00:5c: enabled 1 PCI: 00:15.1: enabled 1 I2C: 00:15: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 SPI: 00: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PNP: 0c09.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 Root Device scanning... root_dev_scan_bus for Root Device CPU_CLUSTER: 0 enabled DOMAIN: 0000 enabled DOMAIN: 0000 scanning... PCI: pci_scan_bus for bus 00 PCI: 00:00.0 [8086/0000] ops PCI: 00:00.0 [8086/590c] enabled PCI: 00:02.0 [8086/0000] ops PCI: 00:02.0 [8086/591c] enabled PCI: 00:04.0 [8086/1903] enabled PCI: 00:08.0 [8086/1911] enabled PCI: 00:14.0 [8086/0000] bus ops PCI: 00:14.0 [8086/9d2f] enabled PCI: 00:14.2 [8086/9d31] enabled PCI: 00:15.0 [8086/0000] bus ops PCI: 00:15.0 [8086/9d60] enabled PCI: 00:15.1 [8086/0000] bus ops PCI: 00:15.1 [8086/9d61] enabled PCI: 00:16.0 [8086/0000] ops PCI: 00:16.0 [8086/9d3a] enabled PCI: 00:19.0 [8086/0000] ops PCI: 00:19.0 [8086/9d66] enabled PCI: 00:19.1 [8086/0000] bus ops PCI: 00:19.1 [8086/9d65] enabled PCI: 00:1c.0 [8086/0000] bus ops PCI: 00:1c.0 [8086/9d10] enabled PCI: 00:1e.0 [8086/0000] ops PCI: 00:1e.0 [8086/9d27] enabled PCI: 00:1e.2 [8086/0000] bus ops PCI: 00:1e.2 [8086/9d29] enabled PCI: 00:1e.4 [8086/9d2b] enabled PCI: 00:1e.6 [8086/0000] ops PCI: 00:1e.6 [8086/9d2d] enabled PCI: 00:1f.0 [8086/0000] bus ops PCI: 00:1f.0 [8086/9d4b] enabled PCI: Static device PCI: 00:1f.1 not found, disabling it. PCI: 00:1f.2 [8086/0000] bus ops PCI: 00:1f.2 [8086/9d21] enabled PCI: 00:1f.3 [8086/0000] bus ops PCI: 00:1f.3 [8086/9d71] enabled PCI: 00:1f.4 [8086/0000] bus ops PCI: 00:1f.4 [8086/9d23] enabled PCI: 00:1f.5 [8086/0000] bus ops PCI: 00:1f.5 [8086/9d24] enabled PCI: 00:14.0 scanning... scan_usb_bus for PCI: 00:14.0 USB0 port 0 enabled USB0 port 0 scanning... scan_usb_bus for USB0 port 0 USB2 port 0 enabled USB2 port 1 enabled USB2 port 2 enabled USB2 port 4 enabled USB2 port 8 enabled USB2 port 0 scanning... scan_usb_bus for USB2 port 0 scan_usb_bus for USB2 port 0 done scan_bus: scanning of bus USB2 port 0 took 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 8964 usecs USB2 port 2 scanning... scan_usb_bus for USB2 port 2 scan_usb_bus for USB2 port 2 done scan_bus: scanning of bus USB2 port 2 took 8973 usecs USB2 port 4 scanning... scan_usb_bus for USB2 port 4 scan_usb_bus for USB2 port 4 done scan_bus: scanning of bus USB2 port 4 took 8973 usecs USB2 port 8 scanning... scan_usb_bus for USB2 port 8 scan_usb_bus for USB2 port 8 done scan_bus: scanning of bus USB2 port 8 took 8974 usecs scan_usb_bus for USB0 port 0 done scan_bus: scanning of bus USB0 port 0 took 90949 usecs scan_usb_bus for PCI: 00:14.0 done scan_bus: scanning of bus PCI: 00:14.0 took 107742 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 14158 usecs PCI: 00:15.1 scanning... scan_generic_bus for PCI: 00:15.1 bus: PCI: 00:15.1[0]->I2C: 02:15 enabled scan_generic_bus for PCI: 00:15.1 done scan_bus: scanning of bus PCI: 00:15.1 took 14155 usecs PCI: 00:19.1 scanning... scan_generic_bus for PCI: 00:19.1 bus: PCI: 00:19.1[0]->I2C: 03:39 enabled bus: PCI: 00:19.1[0]->I2C: 03:3a enabled bus: PCI: 00:19.1[0]->I2C: 03:1a enabled scan_generic_bus for PCI: 00:19.1 done scan_bus: scanning of bus PCI: 00:19.1 took 22364 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 53510 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 13865 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 11316 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 9268 usecs PCI: 00:1f.3 scanning... scan_bus: scanning of bus PCI: 00:1f.3 took 2720 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 10050 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 10040 usecs scan_bus: scanning of bus DOMAIN: 0000 took 466059 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 486163 usecs done Chrome EC: UHEPI supported FMAP: area RECOVERY_MRC_CACHE found @ 9d0000 (65536 bytes) MRC: Checking cached data update for 'RECOVERY_MRC_CACHE'. SF: Detected FAST_SPI Hardware Sequencer with sector size 0x1000, total 0x1000000 FMAP: area UNIFIED_MRC_CACHE found @ 9d0000 (131072 bytes) SPI flash protection: WPSW=0 SRP0=0 MRC: NOT enabling PRR for 'UNIFIED_MRC_CACHE'. BS: BS_DEV_ENUMERATE times (us): entry 0 run 826011 exit 39265 found VGA at PCI: 00:02.0 Setting up VGA for PCI: 00:02.0 Setting PCI_BRIDGE_CTL_VGA for bridge DOMAIN: 0000 Setting PCI_BRIDGE_CTL_VGA for bridge Root Device Allocating resources... Reading resources... Root Device read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 PCI: 00:14.0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 done PCI: 00:14.0 read_resources bus 0 link: 0 done PCI: 00:15.0 read_resources bus 1 link: 0 PCI: 00:15.0 read_resources bus 1 link: 0 done PCI: 00:15.1 read_resources bus 2 link: 0 PCI: 00:15.1 read_resources bus 2 link: 0 done PCI: 00:19.1 read_resources bus 3 link: 0 PCI: 00:19.1 read_resources bus 3 link: 0 done PCI: 00:1c.0 read_resources bus 1 link: 0 PCI: 00:1c.0 read_resources bus 1 link: 0 done PCI: 00:1e.2 read_resources bus 4 link: 0 PCI: 00:1e.2 read_resources bus 4 link: 0 done PCI: 00:1f.0 read_resources bus 0 link: 0 PCI: 00:1f.0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 done Root Device read_resources bus 0 link: 0 done Done reading resources. Show resources in subtree (Root Device)...After reading. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 02 APIC: 03 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffff flags 40040100 index 10000000 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base 0 size 1000000 align 24 gran 24 limit ffffffffffffffff flags 201 index 10 PCI: 00:02.0 resource base 0 size 10000000 align 28 gran 28 limit ffffffffffffffff flags 1201 index 18 PCI: 00:02.0 resource base 0 size 40 align 6 gran 6 limit ffff flags 100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base 0 size 8000 align 15 gran 15 limit ffffffffffffffff flags 201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base 0 size 0 align 12 gran 12 limit ffff flags 80102 index 1c PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffffffffffff flags 81202 index 24 PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffff flags 80202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base 0 size 2000 align 13 gran 13 limit ffffffffffffffff flags 201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base 0 size 4000 align 14 gran 14 limit ffffffff flags 200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base 0 size 4000 align 14 gran 14 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.3 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base 0 size 100 align 12 gran 8 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base 0 size 1000 align 12 gran 12 limit ffffffff flags 200 index 10 PCI: 00:1f.6 DOMAIN: 0000 io: base: 0 size: 0 align: 0 gran: 0 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff done PCI: 00:02.0 20 * [0x0 - 0x3f] io DOMAIN: 0000 io: base: 40 size: 40 align: 6 gran: 0 limit: ffff done DOMAIN: 0000 mem: base: 0 size: 0 align: 0 gran: 0 limit: ffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff done PCI: 00:1c.0 mem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffff PCI: 01:00.0 10 * [0x0 - 0x1fff] mem PCI: 00:1c.0 mem: base: 2000 size: 100000 align: 20 gran: 20 limit: ffffffff done PCI: 00:02.0 18 * [0x0 - 0xfffffff] prefmem PCI: 00:02.0 10 * [0x10000000 - 0x10ffffff] mem PCI: 00:1c.0 20 * [0x11000000 - 0x110fffff] mem PCI: 00:14.0 10 * [0x11100000 - 0x1110ffff] mem PCI: 00:1f.3 20 * [0x11110000 - 0x1111ffff] mem PCI: 00:04.0 10 * [0x11120000 - 0x11127fff] mem PCI: 00:1f.2 10 * [0x11128000 - 0x1112bfff] mem PCI: 00:1f.3 10 * [0x1112c000 - 0x1112ffff] mem PCI: 00:08.0 10 * [0x11130000 - 0x11130fff] mem PCI: 00:14.2 10 * [0x11131000 - 0x11131fff] mem PCI: 00:15.0 10 * [0x11132000 - 0x11132fff] mem PCI: 00:15.1 10 * [0x11133000 - 0x11133fff] mem PCI: 00:16.0 10 * [0x11134000 - 0x11134fff] mem PCI: 00:19.0 18 * [0x11135000 - 0x11135fff] mem PCI: 00:19.1 10 * [0x11136000 - 0x11136fff] mem PCI: 00:1e.0 10 * [0x11137000 - 0x11137fff] mem PCI: 00:1e.2 10 * [0x11138000 - 0x11138fff] mem PCI: 00:1e.4 10 * [0x11139000 - 0x11139fff] mem PCI: 00:1e.6 10 * [0x1113a000 - 0x1113afff] mem PCI: 00:1f.5 10 * [0x1113b000 - 0x1113bfff] mem PCI: 00:1f.4 10 * [0x1113c000 - 0x1113c0ff] mem DOMAIN: 0000 mem: base: 1113c100 size: 1113c100 align: 28 gran: 0 limit: ffffffff done avoid_fixed_resources: DOMAIN: 0000 avoid_fixed_resources:@DOMAIN: 0000 10000000 limit 0000ffff avoid_fixed_resources:@DOMAIN: 0000 10000100 limit ffffffff constrain_resources: PCI: 00:00.0 00 base e0000000 limit e3ffffff mem (fixed) constrain_resources: PCI: 00:00.0 08 base 00000000 limit 0009ffff mem (fixed) constrain_resources: PCI: 00:00.0 09 base 000c0000 limit 7affffff mem (fixed) constrain_resources: PCI: 00:00.0 0b base 7b000000 limit 7b7fffff mem (fixed) constrain_resources: PCI: 00:00.0 0c base 7b800000 limit 7fffffff mem (fixed) constrain_resources: PCI: 00:1f.0 00 base 00000000 limit 00000fff io (fixed) constrain_resources: PCI: 00:1f.2 40 base 00001800 limit 000018ff io (fixed) constrain_resources: PCI: 00:1f.4 20 base 0000efa0 limit 0000efbf io (fixed) avoid_fixed_resources:@DOMAIN: 0000 10000000 base 00001900 limit 0000ef9f avoid_fixed_resources:@DOMAIN: 0000 10000100 base c0000000 limit dfffffff Setting resources... DOMAIN: 0000 io: base:1900 size:40 align:6 gran:0 limit:ef9f PCI: 00:02.0 20 * [0x1c00 - 0x1c3f] io DOMAIN: 0000 io: next_base: 1c40 size: 40 align: 6 gran: 0 done PCI: 00:1c.0 io: base:ef9f size:0 align:12 gran:12 limit:ef9f PCI: 00:1c.0 io: next_base: ef9f size: 0 align: 12 gran: 12 done DOMAIN: 0000 mem: base:c0000000 size:1113c100 align:28 gran:0 limit:dfffffff PCI: 00:02.0 18 * [0xc0000000 - 0xcfffffff] prefmem PCI: 00:02.0 10 * [0xd0000000 - 0xd0ffffff] mem PCI: 00:1c.0 20 * [0xd1000000 - 0xd10fffff] mem PCI: 00:14.0 10 * [0xd1100000 - 0xd110ffff] mem PCI: 00:1f.3 20 * [0xd1110000 - 0xd111ffff] mem PCI: 00:04.0 10 * [0xd1120000 - 0xd1127fff] mem PCI: 00:1f.2 10 * [0xd1128000 - 0xd112bfff] mem PCI: 00:1f.3 10 * [0xd112c000 - 0xd112ffff] mem PCI: 00:08.0 10 * [0xd1130000 - 0xd1130fff] mem PCI: 00:14.2 10 * [0xd1131000 - 0xd1131fff] mem PCI: 00:15.0 10 * [0xd1132000 - 0xd1132fff] mem PCI: 00:15.1 10 * [0xd1133000 - 0xd1133fff] mem PCI: 00:16.0 10 * [0xd1134000 - 0xd1134fff] mem PCI: 00:19.0 18 * [0xd1135000 - 0xd1135fff] mem PCI: 00:19.1 10 * [0xd1136000 - 0xd1136fff] mem PCI: 00:1e.0 10 * [0xd1137000 - 0xd1137fff] mem PCI: 00:1e.2 10 * [0xd1138000 - 0xd1138fff] mem PCI: 00:1e.4 10 * [0xd1139000 - 0xd1139fff] mem PCI: 00:1e.6 10 * [0xd113a000 - 0xd113afff] mem PCI: 00:1f.5 10 * [0xd113b000 - 0xd113bfff] mem PCI: 00:1f.4 10 * [0xd113c000 - 0xd113c0ff] mem DOMAIN: 0000 mem: next_base: d113c100 size: 1113c100 align: 28 gran: 0 done PCI: 00:1c.0 prefmem: base:dfffffff size:0 align:20 gran:20 limit:dfffffff PCI: 00:1c.0 prefmem: next_base: dfffffff size: 0 align: 20 gran: 20 done PCI: 00:1c.0 mem: base:d1000000 size:100000 align:20 gran:20 limit:d10fffff PCI: 01:00.0 10 * [0xd1000000 - 0xd1001fff] mem PCI: 00:1c.0 mem: next_base: d1002000 size: 100000 align: 20 gran: 20 done Root Device assign_resources, bus 0 link: 0 DOMAIN: 0000 assign_resources, bus 0 link: 0 PCI: 00:02.0 10 <- [0x00d0000000 - 0x00d0ffffff] size 0x01000000 gran 0x18 mem64 PCI: 00:02.0 18 <- [0x00c0000000 - 0x00cfffffff] size 0x10000000 gran 0x1c prefmem64 PCI: 00:02.0 20 <- [0x0000001c00 - 0x0000001c3f] size 0x00000040 gran 0x06 io PCI: 00:04.0 10 <- [0x00d1120000 - 0x00d1127fff] size 0x00008000 gran 0x0f mem64 PCI: 00:08.0 10 <- [0x00d1130000 - 0x00d1130fff] size 0x00001000 gran 0x0c mem64 PCI: 00:14.0 10 <- [0x00d1100000 - 0x00d110ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.2 10 <- [0x00d1131000 - 0x00d1131fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 10 <- [0x00d1132000 - 0x00d1132fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.1 10 <- [0x00d1133000 - 0x00d1133fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:16.0 10 <- [0x00d1134000 - 0x00d1134fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.0 18 <- [0x00d1135000 - 0x00d1135fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 10 <- [0x00d1136000 - 0x00d1136fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:1c.0 1c <- [0x000000ef9f - 0x000000ef9e] size 0x00000000 gran 0x0c bus 01 io PCI: 00:1c.0 24 <- [0x00dfffffff - 0x00dffffffe] size 0x00000000 gran 0x14 bus 01 prefmem PCI: 00:1c.0 20 <- [0x00d1000000 - 0x00d10fffff] size 0x00100000 gran 0x14 bus 01 mem PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 01:00.0 10 <- [0x00d1000000 - 0x00d1001fff] size 0x00002000 gran 0x0d mem64 PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 00:1e.0 10 <- [0x00d1137000 - 0x00d1137fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 10 <- [0x00d1138000 - 0x00d1138fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.4 10 <- [0x00d1139000 - 0x00d1139fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.6 10 <- [0x00d113a000 - 0x00d113afff] size 0x00001000 gran 0x0c mem64 PCI: 00:1f.0 assign_resources, bus 0 link: 0 PCI: 00:1f.0 assign_resources, bus 0 link: 0 LPC: Trying to open IO window from 800 size 1ff PCI: 00:1f.2 10 <- [0x00d1128000 - 0x00d112bfff] size 0x00004000 gran 0x0e mem PCI: 00:1f.3 10 <- [0x00d112c000 - 0x00d112ffff] size 0x00004000 gran 0x0e mem64 PCI: 00:1f.3 20 <- [0x00d1110000 - 0x00d111ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:1f.4 10 <- [0x00d113c000 - 0x00d113c0ff] size 0x00000100 gran 0x08 mem64 PCI: 00:1f.5 10 <- [0x00d113b000 - 0x00d113bfff] size 0x00001000 gran 0x0c mem DOMAIN: 0000 assign_resources, bus 0 link: 0 Root Device assign_resources, bus 0 link: 0 Done setting resources. Show resources in subtree (Root Device)...After assigning values. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 02 APIC: 03 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 1900 size 40 align 6 gran 0 limit ef9f flags 40040100 index 10000000 DOMAIN: 0000 resource base c0000000 size 1113c100 align 28 gran 0 limit dfffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base d0000000 size 1000000 align 24 gran 24 limit d0ffffff flags 60000201 index 10 PCI: 00:02.0 resource base c0000000 size 10000000 align 28 gran 28 limit cfffffff flags 60001201 index 18 PCI: 00:02.0 resource base 1c00 size 40 align 6 gran 6 limit 1c3f flags 60000100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base d1120000 size 8000 align 15 gran 15 limit d1127fff flags 60000201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base d1130000 size 1000 align 12 gran 12 limit d1130fff flags 60000201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base d1100000 size 10000 align 16 gran 16 limit d110ffff flags 60000201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base d1131000 size 1000 align 12 gran 12 limit d1131fff flags 60000201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base d1132000 size 1000 align 12 gran 12 limit d1132fff flags 60000201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base d1133000 size 1000 align 12 gran 12 limit d1133fff flags 60000201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base d1134000 size 1000 align 12 gran 12 limit d1134fff flags 60000201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base d1135000 size 1000 align 12 gran 12 limit d1135fff flags 60000201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base d1136000 size 1000 align 12 gran 12 limit d1136fff flags 60000201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base ef9f size 0 align 12 gran 12 limit ef9f flags 60080102 index 1c PCI: 00:1c.0 resource base dfffffff size 0 align 20 gran 20 limit dfffffff flags 60081202 index 24 PCI: 00:1c.0 resource base d1000000 size 100000 align 20 gran 20 limit d10fffff flags 60080202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base d1000000 size 2000 align 13 gran 13 limit d1001fff flags 60000201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base d1137000 size 1000 align 12 gran 12 limit d1137fff flags 60000201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base d1138000 size 1000 align 12 gran 12 limit d1138fff flags 60000201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base d1139000 size 1000 align 12 gran 12 limit d1139fff flags 60000201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base d113a000 size 1000 align 12 gran 12 limit d113afff flags 60000201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base d1128000 size 4000 align 14 gran 14 limit d112bfff flags 60000200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base d112c000 size 4000 align 14 gran 14 limit d112ffff flags 60000201 index 10 PCI: 00:1f.3 resource base d1110000 size 10000 align 16 gran 16 limit d111ffff flags 60000201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base d113c000 size 100 align 12 gran 8 limit d113c0ff flags 60000201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base d113b000 size 1000 align 12 gran 12 limit d113bfff flags 60000200 index 10 PCI: 00:1f.6 Done allocating resources. BS: BS_DEV_RESOURCES times (us): entry 0 run 2114500 exit 30 Enabling resources... PCI: 00:00.0 subsystem <- 8086/590c PCI: 00:00.0 cmd <- 06 PCI: 00:02.0 subsystem <- 8086/591c PCI: 00:02.0 cmd <- 03 PCI: 00:04.0 cmd <- 02 PCI: 00:08.0 cmd <- 06 PCI: 00:14.0 subsystem <- 8086/9d2f PCI: 00:14.0 cmd <- 02 PCI: 00:14.2 subsystem <- 8086/9d31 PCI: 00:14.2 cmd <- 02 PCI: 00:15.0 subsystem <- 8086/9d60 PCI: 00:15.0 cmd <- 06 PCI: 00:15.1 subsystem <- 8086/9d61 PCI: 00:15.1 cmd <- 06 PCI: 00:16.0 subsystem <- 8086/9d3a PCI: 00:16.0 cmd <- 02 PCI: 00:19.0 subsystem <- 8086/9d66 PCI: 00:19.0 cmd <- 06 PCI: 00:19.1 subsystem <- 8086/9d65 PCI: 00:19.1 cmd <- 06 PCI: 00:1c.0 bridge ctrl <- 0003 PCI: 00:1c.0 subsystem <- 8086/9d10 PCI: 00:1c.0 cmd <- 06 PCI: 00:1e.0 subsystem <- 8086/9d27 PCI: 00:1e.0 cmd <- 06 PCI: 00:1e.2 subsystem <- 8086/9d29 PCI: 00:1e.2 cmd <- 06 PCI: 00:1e.4 subsystem <- 8086/9d2b PCI: 00:1e.4 cmd <- 06 PCI: 00:1e.6 subsystem <- 8086/9d2d PCI: 00:1e.6 cmd <- 06 PCI: 00:1f.0 subsystem <- 8086/9d4b PCI: 00:1f.0 cmd <- 407 PCI: 00:1f.2 subsystem <- 8086/9d21 PCI: 00:1f.2 cmd <- 02 PCI: 00:1f.3 subsystem <- 8086/9d71 PCI: 00:1f.3 cmd <- 02 PCI: 00:1f.4 subsystem <- 8086/9d23 PCI: 00:1f.4 cmd <- 03 PCI: 00:1f.5 subsystem <- 8086/9d24 PCI: 00:1f.5 cmd <- 406 PCI: 01:00.0 subsystem <- 8086/095a PCI: 01:00.0 cmd <- 02 done. ME: Version : 11.8.50.3470 BS: BS_DEV_ENABLE times (us): entry 230 run 139345 exit 17947 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 30850 usecs CPU_CLUSTER: 0 init ... CPU_CLUSTER: 0 init finished in 2445 usecs PCI: 00:00.0 init ... CPU TDP: 5 Watts CPU PL2 = 18 Watts PCI: 00:00.0 init finished in 6986 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2250 usecs PCI: 00:04.0 init ... PCI: 00:04.0 init finished in 2250 usecs PCI: 00:08.0 init ... PCI: 00:08.0 init finished in 2250 usecs PCI: 00:14.0 init ... PCI: 00:14.0 init finished in 2248 usecs PCI: 00:14.2 init ... PCI: 00:14.2 init finished in 2250 usecs PCI: 00:15.0 init ... DW I2C bus 0 at 0xd1132000 (400 KHz) PCI: 00:15.0 init finished in 5969 usecs PCI: 00:15.1 init ... DW I2C bus 1 at 0xd1133000 (400 KHz) PCI: 00:15.1 init finished in 5970 usecs PCI: 00:16.0 init ... PCI: 00:16.0 init finished in 2250 usecs PCI: 00:19.1 init ... DW I2C bus 5 at 0xd1136000 (400 KHz) PCI: 00:19.1 init finished in 5970 usecs PCI: 00:1c.0 init ... Initializing PCH PCIe bridge. PCI: 00:1c.0 init finished in 5288 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 23497 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 23977 usecs PCI: 00:1f.4 init ... PCI: 00:1f.4 init finished in 2260 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2391 usecs PNP: 0c09.0 init ... Google Chrome EC: Hello got back 11223344 status (0) Google Chrome EC: version: ro: rammus_v2.0.387-f0df0fe2e rw: rammus_v2.0.427-c38dc837e running image: 1 EC returned error result code 1 PNP: 0c09.0 init finished in 24465 usecs Devices initialized Show all devs... After init. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 0 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 01:5c: enabled 1 I2C: 02:15: enabled 1 I2C: 03:39: enabled 1 I2C: 03:3a: enabled 1 I2C: 03:1a: enabled 1 PCI: 01:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 02: enabled 1 APIC: 03: enabled 1 PCI: 00:04.0: enabled 1 PCI: 00:08.0: enabled 1 FMAP: area RW_ELOG found @ 9f0000 (16384 bytes) ELOG: NV offset 0x9f0000 size 0x4000 ELOG: area is 4096 bytes, full threshold 3842, shrink size 1024 ELOG: Event(17) added with size 13 at 2024-01-13 06:01:35 UTC POST: Unexpected post code in previous boot: 0x34 ELOG: Event(A3) added with size 11 at 2024-01-13 06:01:35 UTC ELOG: Event(92) added with size 9 at 2024-01-13 06:01:35 UTC ELOG: Event(9A) added with size 9 at 2024-01-13 06:01:35 UTC ELOG: Event(AD) added with size 10 at 2024-01-13 06:01:35 UTC ELOG: Event(9F) added with size 14 at 2024-01-13 06:01:35 UTC BS: BS_DEV_INIT times (us): entry 0 run 417343 exit 60037 ELOG: Event(A1) added with size 10 at 2024-01-13 06:01:35 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2024-01-13 06:01:35 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 25571 run 3969 exit 5200 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 | low recovery | undefined | high | low lid | undefined | high | high power | undefined | high | low oprom | undefined | high | low EC in RW | 0x00000036 | high | low Board ID: 6 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) Wrote coreboot table at: 7aabe000, 0x5a4 bytes, checksum 7a9b 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 537742 exit 146872 call enable_fixed_mtrr() CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CPU physical address size: 39 bits CBFS: Locating 'fallback/payload' MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 MTRR: Fixed MSR 0x250 0x0606060606060606 call enable_fixed_mtrr() 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 CPU physical address size: 39 bits call enable_fixed_mtrr() CBFS: Found @ offset 223040 size 360b4 CPU physical address size: 39 bits Checking segment from ROM address 0xfff23078 Checking segment from ROM address 0xfff23094 Loading segment from ROM address 0xfff23078 code (compression=0) New segment dstaddr 0x30104020 memsize 0x64d8b0 srcaddr 0xfff230b0 filesize 0x3607c Loading Segment: addr: 0x30104020 memsz: 0x000000000064d8b0 filesz: 0x000000000003607c it's not compressed! [ 0x30104020, 3013a09c, 0x307518d0) <- fff230b0 Clearing Segment: addr: 0x000000003013a09c memsz: 0x0000000000617834 Loading segment from ROM address 0xfff23094 Entry Point 0x30104020 Loaded segments Finalizing chipset. ME: Host Firmware Status Register 1 : 0x90000245 ME: Host Firmware Status Register 2 : 0x6B000306 ME: Host Firmware Status Register 3 : 0x00000020 ME: Host Firmware Status Register 4 : 0x00084004 ME: Host Firmware Status Register 5 : 0x00000000 ME: Host Firmware Status Register 6 : 0x40000002 ME: FW Partition Table : OK ME: Bringup Loader Failure : NO ME: Firmware Init Complete : YES ME: Manufacturing Mode : NO ME: Boot Options Present : NO ME: Update In Progress : NO ME: D3 Support : NO ME: D0i3 Support : YES ME: Low Power State Enabled : YES ME: CPU Replaced : NO ME: CPU Replacement Valid : YES ME: Current Working State : Normal ME: Current Operation State : M0 with UMA ME: Current Operation Mode : Normal ME: Error Code : No Error ME: Progress Phase : Host Communication ME: Power Management Event : Power cycle reset through Moff ME: Progress Phase State : Host communication established ME: Power Down Mitigation : NO ME: FPF status : fused Clearing MCA. Finalizing SMM. BS: BS_PAYLOAD_LOAD times (us): entry 603 run 261994 exit 135715 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 12521760/tftp-deploy-d7pkmcfu/kernel/bzImage 12521760/tftp-deploy-d7pkmcfu/kernel/cmdline 12521760/tftp-deploy-d7pkmcfu/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 12521760/tftp-deploy-d7pkmcfu/kernel/bzImploy-d7pkmcfu/kernel/cmdline 12521760/tftp-deploy-d7pkmcfu/ramdisk/ramdisk.cpio.gz Waiting for link R8152: Initializing Version 9 (ocp_data = 6010) R8152: Done initializing Adding net device done. MAC: 00:e0:4c:68:04:98 Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.15 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 12521760/tftp-deploy-d7pkmcfu/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 17278752 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: 12521760/tftp-deploy-d7pkmcfu/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/12521760/extract-nfsrootfs-h_jsv69o,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: 20695664 Starting kernel ... <5>[ 0.000000] Linux version 5.10.207-cip41 (KernelCI@build-j76134-x86-64-gcc-10-x86-64-defconfig-x86-board-ng27c) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Sat Jan 13 05:46:17 UTC 2024 <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/12521760/extract-nfsrootfs-h_jsv69o,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>[ 0.000057] last_pfn = 0x17f000 max_arch_pfn = 0x400000000 <6>[ 0.001404] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT <6>[ 0.007181] last_pfn = 0x7a998 max_arch_pfn = 0x400000000 <6>[ 0.026268] check: Scanning 1 areas for low memory corruption <6>[ 0.026281] Using GB pages for direct mapping <6>[ 0.026946] RAMDISK: [mem 0x375fe000-0x37ffffff] <6>[ 0.026954] ACPI: Early table checksum verification disabled <6>[ 0.026962] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) <6>[ 0.026976] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.026992] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.027008] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531) <6>[ 0.027021] ACPI: FACS 0x000000007AA9A240 000040 <6>[ 0.027033] ACPI: FACS 0x000000007AA9A240 000040 <6>[ 0.027044] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE COREBOOT 0000002A CORE 0000002A) <6>[ 0.027057] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.027069] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.027081] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.027093] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS 00000000 CORE 00000000) <6>[ 0.027105] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.027117] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.027129] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.027142] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63] <6>[ 0.027147] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962] <6>[ 0.027152] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] <6>[ 0.027156] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] <6>[ 0.027161] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969] <6>[ 0.027166] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab] <6>[ 0.027171] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef] <6>[ 0.027175] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b] <6>[ 0.027180] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b] <6>[ 0.027185] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607] <6>[ 0.027190] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670] <6>[ 0.027195] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7] <6>[ 0.027334] No NUMA configuration found <6>[ 0.027339] Faking a node at [mem 0x0000000000000000-0x000000017effffff] <6>[ 0.027349] NODE_DATA(0) allocated [mem 0x17effc000-0x17effffff] <6>[ 0.027394] Zone ranges: <6>[ 0.027399] DMA [mem 0x0000000000001000-0x0000000000ffffff] <6>[ 0.027406] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] <6>[ 0.027414] Normal [mem 0x0000000100000000-0x000000017effffff] <6>[ 0.027421] Movable zone start for each node <6>[ 0.027426] Early memory node ranges <6>[ 0.027431] node 0: [mem 0x0000000000001000-0x000000000009ffff] <6>[ 0.027436] node 0: [mem 0x0000000000100000-0x000000007a997fff] <6>[ 0.027441] node 0: [mem 0x0000000100000000-0x000000017effffff] <6>[ 0.027447] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff] <6>[ 0.027483] On node 0, zone DMA: 1 pages in unavailable ranges <6>[ 0.027527] On node 0, zone DMA: 96 pages in unavailable ranges <6>[ 0.038706] On node 0, zone Normal: 22120 pages in unavailable ranges <6>[ 0.038777] On node 0, zone Normal: 4096 pages in unavailable ranges <6>[ 0.038804] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] <6>[ 0.039163] ACPI: PM-Timer IO Port: 0x1808 <6>[ 0.039219] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 <6>[ 0.039233] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) <6>[ 0.039239] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) <6>[ 0.039254] Using ACPI (MADT) for SMP configuration information <6>[ 0.039260] ACPI: HPET id: 0x8086a701 base: 0xfed00000 <6>[ 0.039268] TSC deadline timer available <6>[ 0.039274] smpboot: Allowing 4 CPUs, 0 hotplug CPUs <6>[ 0.039304] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] <6>[ 0.039310] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] <6>[ 0.039316] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff] <6>[ 0.039321] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] <6>[ 0.039325] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff] <6>[ 0.039330] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff] <6>[ 0.039334] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff] <6>[ 0.039339] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff] <6>[ 0.039343] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff] <6>[ 0.039347] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff] <6>[ 0.039352] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff] <6>[ 0.039356] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff] <6>[ 0.039361] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff] <6>[ 0.039365] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff] <6>[ 0.039370] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff] <6>[ 0.039378] [mem 0x80000000-0xdfffffff] available for PCI devices <6>[ 0.039386] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns <6>[ 0.056997] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 <6>[ 0.057292] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 <6>[ 0.057374] Built 1 zonelists, mobility grouping on. Total pages: 1006266 <6>[ 0.057379] Policy zone: Normal <5>[ 0.057393] 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/12521760/extract-nfsrootfs-h_jsv69o,tcp,hard ip=dhcp tftpserverip=192.168.201.1 <6>[ 0.058010] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) <6>[ 0.058266] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) <6>[ 0.058360] mem auto-init: stack:off, heap alloc:off, heap free:off <6>[ 0.080633] Memory: 3876304K/4089052K available (22546K kernel code, 3713K rwdata, 10976K rodata, 2172K init, 13948K bss, 212488K reserved, 0K cma-reserved) <6>[ 0.080786] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 <6>[ 0.080847] Kernel/User page tables isolation: enabled <6>[ 0.080987] ftrace: allocating 61881 entries in 242 pages <6>[ 0.150829] ftrace: allocated 242 pages with 5 groups <6>[ 0.151154] Running RCU self tests <6>[ 0.151172] rcu: Hierarchical RCU implementation. <6>[ 0.151177] rcu: RCU event tracing is enabled. <6>[ 0.151182] rcu: RCU lockdep checking is enabled. <6>[ 0.151187] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. <6>[ 0.151193] Rude variant of Tasks RCU enabled. <6>[ 0.151197] Tracing variant of Tasks RCU enabled. <6>[ 0.151203] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. <6>[ 0.151208] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 <6>[ 0.161377] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 <5>[ 0.161874] random: crng init done <6>[ 0.161985] Console: colour dummy device 80x25 <6>[ 0.235543] printk: console [ttyS0] enabled <4>[ 0.235934] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar <4>[ 0.236619] ... MAX_LOCKDEP_SUBCLASSES: 8 <4>[ 0.237001] ... MAX_LOCK_DEPTH: 48 <4>[ 0.237391] ... MAX_LOCKDEP_KEYS: 8192 <4>[ 0.237796] ... CLASSHASH_SIZE: 4096 <4>[ 0.238200] ... MAX_LOCKDEP_ENTRIES: 32768 <4>[ 0.238611] ... MAX_LOCKDEP_CHAINS: 65536 <4>[ 0.239023] ... CHAINHASH_SIZE: 32768 <4>[ 0.239435] memory used by lock dependency info: 6365 kB <4>[ 0.239926] memory used for stack traces: 4224 kB <4>[ 0.240366] per task-struct memory footprint: 1920 bytes <6>[ 0.240918] ACPI: Core revision 20200925 <6>[ 0.241510] hpet: HPET dysfunctional in PC10. Force disabled. <6>[ 0.242032] APIC: Switch to symmetric I/O mode setup <6>[ 0.246517] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns <6>[ 0.247461] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960) <6>[ 0.248442] mce: CPU0: Thermal monitoring enabled (TM1) <6>[ 0.248442] process: using mwait in idle threads <6>[ 0.248442] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 <6>[ 0.248442] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 <6>[ 0.248442] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization <6>[ 0.248442] Spectre V2 : Mitigation: IBRS <6>[ 0.248442] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch <6>[ 0.248442] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT <6>[ 0.248442] RETBleed: Mitigation: IBRS <6>[ 0.248442] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier <6>[ 0.248442] Spectre V2 : User space: Mitigation: STIBP via seccomp and prctl <6>[ 0.248442] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp <6>[ 0.248442] MDS: Vulnerable: Clear CPU buffers attempted, no microcode <6>[ 0.248442] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode <6>[ 0.248442] SRBDS: Vulnerable: No microcode <6>[ 0.248442] GDS: Vulnerable: No microcode <6>[ 0.248442] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' <6>[ 0.248442] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' <6>[ 0.248442] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' <6>[ 0.248442] x86/fpu: Supporting XSAVE feature 0x008: 'MPX bounds registers' <6>[ 0.248442] x86/fpu: Supporting XSAVE feature 0x010: 'MPX CSR' <6>[ 0.248442] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 <6>[ 0.248442] x86/fpu: xstate_offset[3]: 832, xstate_sizes[3]: 64 <6>[ 0.248442] x86/fpu: xstate_offset[4]: 896, xstate_sizes[4]: 64 <6>[ 0.248442] x86/fpu: Enabled xstate features 0x1f, context size is 960 bytes, using 'compacted' format. <4>[ 0.248442] ------------[ cut here ]------------ <4>[ 0.248442] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 <4>[ 0.248442] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:725 apply_returns+0x1f5/0x220 <4>[ 0.248442] Modules linked in: <4>[ 0.248442] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.207-cip41 #1 <4>[ 0.248442] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 0.248442] RIP: 0010:apply_returns+0x1f5/0x220 <4>[ 0.248442] 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 a8 f6 07 99 c6 05 40 15 67 02 01 e8 25 0c 16 01 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc <4>[ 0.248442] RSP: 0000:ffffffff99403e28 EFLAGS: 00010282 <4>[ 0.248442] RAX: 0000000000000000 RBX: ffffffff9a02e23c RCX: 0000000000000000 <4>[ 0.248442] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff97177c41 <4>[ 0.248442] RBP: ffffffff98cf8940 R08: 0000000000000001 R09: 0000000000000001 <4>[ 0.248442] R10: ffffffff9948ff20 R11: 3fffffffffffffff R12: ffffffff9a04757c <4>[ 0.248442] R13: cccccccccccccccc R14: ffffffff98cf8945 R15: 0000000000000004 <4>[ 0.248442] FS: 0000000000000000(0000) GS:ffff8e44fac00000(0000) knlGS:0000000000000000 <4>[ 0.248442] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 0.248442] CR2: ffff8e44e2001000 CR3: 0000000160626001 CR4: 00000000003706f0 <4>[ 0.248442] Call Trace: <4>[ 0.248442] ? __warn+0x80/0x110 <4>[ 0.248442] ? apply_returns+0x1f5/0x220 <4>[ 0.248442] ? report_bug+0x9e/0xc0 <4>[ 0.248442] ? handle_bug+0x41/0x90 <4>[ 0.248442] ? exc_invalid_op+0x14/0x70 <4>[ 0.248442] ? asm_exc_invalid_op+0x12/0x20 <4>[ 0.248442] ? console_unlock+0x4d1/0x5f0 <4>[ 0.248442] ? apply_returns+0x1f5/0x220 <4>[ 0.248442] ? apply_returns+0x1f5/0x220 <4>[ 0.248442] alternative_instructions+0x7d/0x143 <4>[ 0.248442] arch_cpu_finalize_init+0x28/0x47 <4>[ 0.248442] start_kernel+0x4a3/0x54d <4>[ 0.248442] secondary_startup_64_no_verify+0xc2/0xcb <4>[ 0.248442] irq event stamp: 200417 <4>[ 0.248442] hardirqs last enabled at (200425): [] console_unlock+0x4d1/0x5f0 <4>[ 0.248442] hardirqs last disabled at (200432): [] console_unlock+0x444/0x5f0 <4>[ 0.248442] softirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 0.248442] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 0.248442] ---[ end trace 666ee677a86ad340 ]--- <6>[ 0.248442] Freeing SMP alternatives memory: 48K <6>[ 0.248442] pid_max: default: 32768 minimum: 301 <6>[ 0.248442] LSM: Security Framework initializing <6>[ 0.248442] SELinux: Initializing. <6>[ 0.248442] LSM support for eBPF active <6>[ 0.248442] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) <6>[ 0.248442] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) <6>[ 0.248442] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9) <6>[ 0.249129] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver. <6>[ 0.249458] ... version: 4 <6>[ 0.249837] ... bit width: 48 <6>[ 0.250220] ... generic registers: 4 <6>[ 0.250448] ... value mask: 0000ffffffffffff <6>[ 0.250933] ... max period: 00007fffffffffff <6>[ 0.251417] ... fixed-purpose events: 3 <6>[ 0.251448] ... event mask: 000000070000000f <6>[ 0.252491] rcu: Hierarchical SRCU implementation. <6>[ 0.255115] smp: Bringing up secondary CPUs ... <6>[ 0.256188] x86: Booting SMP configuration: <6>[ 0.256497] .... node #0, CPUs: #1 <4>[ 0.257869] 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>[ 0.258450] 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>[ 0.260048] #2 #3 <6>[ 0.262584] smp: Brought up 1 node, 4 CPUs <6>[ 0.263107] smpboot: Max logical packages: 1 <6>[ 0.263452] smpboot: Total of 4 processors activated (12799.68 BogoMIPS) <6>[ 0.265889] devtmpfs: initialized <6>[ 0.266838] x86/mm: Memory block size: 128MB <6>[ 0.271661] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns <6>[ 0.272467] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) <6>[ 0.273647] pinctrl core: initialized pinctrl subsystem <6>[ 0.275347] PM: RTC time: 06:01:51, date: 2024-01-13 <6>[ 0.276166] NET: Registered protocol family 16 <6>[ 0.277366] audit: initializing netlink subsys (disabled) <5>[ 0.277505] audit: type=2000 audit(1705125711.030:1): state=initialized audit_enabled=0 res=1 <6>[ 0.278454] thermal_sys: Registered thermal governor 'step_wise' <6>[ 0.278461] thermal_sys: Registered thermal governor 'user_space' <6>[ 0.279102] cpuidle: using governor menu <6>[ 0.279921] ACPI: bus type PCI registered <6>[ 0.280898] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000) <6>[ 0.281455] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820 <6>[ 0.282101] PCI: Using configuration type 1 for base access <6>[ 0.322526] Kprobes globally optimized <6>[ 0.322928] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages <6>[ 0.323467] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages <6>[ 0.324273] cryptomgr_test (38) used greatest stack depth: 14880 bytes left <6>[ 0.327880] ACPI: Added _OSI(Module Device) <6>[ 0.328277] ACPI: Added _OSI(Processor Device) <6>[ 0.328455] ACPI: Added _OSI(3.0 _SCP Extensions) <6>[ 0.328892] ACPI: Added _OSI(Processor Aggregator Device) <6>[ 0.329386] ACPI: Added _OSI(Linux-Dell-Video) <6>[ 0.329458] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) <6>[ 0.329946] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) <6>[ 0.343678] ACPI: 2 ACPI AML tables successfully acquired and loaded <6>[ 0.352634] ACPI: EC: EC started <6>[ 0.352972] ACPI: EC: interrupt blocked <6>[ 0.354137] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 <6>[ 0.354453] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions <6>[ 0.355112] ACPI: Interpreter enabled <6>[ 0.355524] ACPI: (supports S0 S3 S4 S5) <6>[ 0.355898] ACPI: Using IOAPIC for interrupt routing <6>[ 0.356438] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug <6>[ 0.374936] ACPI: Power Resource [PRIC] (on) <6>[ 0.506596] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) <6>[ 0.507169] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] <6>[ 0.507802] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] <6>[ 0.508485] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge <6>[ 0.510180] PCI host bridge to bus 0000:00 <6>[ 0.510454] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] <6>[ 0.511066] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] <6>[ 0.511450] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] <6>[ 0.512118] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window] <6>[ 0.512450] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window] <6>[ 0.513119] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window] <6>[ 0.513450] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window] <6>[ 0.514118] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window] <6>[ 0.514449] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window] <6>[ 0.515117] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window] <6>[ 0.515450] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window] <6>[ 0.516118] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window] <6>[ 0.516450] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window] <6>[ 0.517117] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window] <6>[ 0.517450] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window] <6>[ 0.518118] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window] <6>[ 0.518450] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window] <6>[ 0.519118] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window] <6>[ 0.519450] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window] <6>[ 0.520118] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window] <6>[ 0.520451] pci_bus 0000:00: root bus resource [bus 00-ff] <6>[ 0.521072] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000 <6>[ 0.522724] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000 <6>[ 0.523299] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit] <6>[ 0.523466] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref] <6>[ 0.524123] pci 0000:00:02.0: reg 0x20: [io 0x1c00-0x1c3f] <6>[ 0.525223] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000 <6>[ 0.525479] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit] <6>[ 0.527006] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000 <6>[ 0.527479] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit] <6>[ 0.528886] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330 <6>[ 0.529471] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit] <6>[ 0.530241] pci 0000:00:14.0: PME# supported from D3hot D3cold <6>[ 0.531395] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000 <6>[ 0.531493] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit] <6>[ 0.532912] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000 <6>[ 0.533499] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit] <6>[ 0.535084] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000 <6>[ 0.535500] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit] <6>[ 0.537121] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000 <6>[ 0.537499] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit] <6>[ 0.538134] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit] <6>[ 0.539388] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000 <6>[ 0.539499] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit] <6>[ 0.541116] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400 <6>[ 0.541683] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold <6>[ 0.543153] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000 <6>[ 0.543499] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit] <6>[ 0.545074] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000 <6>[ 0.545499] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit] <6>[ 0.547084] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501 <6>[ 0.547500] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit] <6>[ 0.549205] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501 <6>[ 0.549493] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit] <6>[ 0.551035] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100 <6>[ 0.552376] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000 <6>[ 0.552484] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff] <6>[ 0.553947] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100 <6>[ 0.554498] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit] <6>[ 0.555163] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit] <6>[ 0.555572] pci 0000:00:1f.3: PME# supported from D3hot D3cold <6>[ 0.557011] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500 <6>[ 0.557516] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit] <6>[ 0.558196] pci 0000:00:1f.4: reg 0x20: [io 0xefa0-0xefbf] <6>[ 0.559315] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000 <6>[ 0.559485] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff] <6>[ 0.561658] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 <6>[ 0.563141] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit] <6>[ 0.567381] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold <6>[ 0.569714] pci 0000:00:1c.0: PCI bridge to [bus 01] <6>[ 0.570186] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] <6>[ 0.572067] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.572781] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15) <6>[ 0.573755] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.574738] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.575717] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.576693] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.577684] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.578659] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.586059] ACPI: EC: interrupt unblocked <6>[ 0.586448] ACPI: EC: event unblocked <6>[ 0.586815] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 <6>[ 0.587289] ACPI: EC: GPE=0x6e <6>[ 0.587454] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete <6>[ 0.588088] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events <6>[ 0.588947] iommu: Default domain type: Translated <6>[ 0.589721] pci 0000:00:02.0: vgaarb: setting as boot VGA device <6>[ 0.590094] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none <6>[ 0.590484] pci 0000:00:02.0: vgaarb: bridge control possible <6>[ 0.591008] vgaarb: loaded <5>[ 0.591985] SCSI subsystem initialized <6>[ 0.592759] ACPI: bus type USB registered <6>[ 0.593294] usbcore: registered new interface driver usbfs <6>[ 0.593525] usbcore: registered new interface driver hub <6>[ 0.594057] usbcore: registered new device driver usb <6>[ 0.594587] mc: Linux media interface: v0.10 <6>[ 0.595024] videodev: Linux video capture interface: v2.00 <6>[ 0.595488] pps_core: LinuxPPS API ver. 1 registered <6>[ 0.595947] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <6>[ 0.596461] PTP clock support registered <6>[ 0.597481] Advanced Linux Sound Architecture Driver Initialized. <6>[ 0.599251] NetLabel: Initializing <6>[ 0.599449] NetLabel: domain hash size = 128 <6>[ 0.599857] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO <6>[ 0.600468] NetLabel: unlabeled traffic allowed by default <6>[ 0.601076] PCI: Using ACPI for IRQ routing <6>[ 0.609330] clocksource: Switched to clocksource tsc-early <5>[ 1.090645] VFS: Disk quotas dquot_6.6.0 <6>[ 1.091078] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) <6>[ 1.092187] pnp: PnP ACPI init <6>[ 1.093370] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved <6>[ 1.093994] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved <6>[ 1.094596] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved <6>[ 1.095210] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved <6>[ 1.095825] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved <6>[ 1.096429] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved <6>[ 1.097073] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved <6>[ 1.097716] system 00:00: [mem 0xff000000-0xffffffff] has been reserved <6>[ 1.098315] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved <6>[ 1.098927] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved <6>[ 1.100520] system 00:01: [io 0x1800-0x18fe] has been reserved <6>[ 1.101494] system 00:03: [io 0x0900-0x09fe] has been reserved <6>[ 1.102328] system 00:04: [io 0x0200] has been reserved <6>[ 1.102838] system 00:04: [io 0x0204] has been reserved <6>[ 1.103331] system 00:04: [io 0x0800-0x087f] has been reserved <6>[ 1.103887] system 00:04: [io 0x0880-0x08ff] has been reserved <6>[ 1.107279] pnp: PnP ACPI: found 6 devices <6>[ 1.122662] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns <6>[ 1.123583] NET: Registered protocol family 2 <6>[ 1.124200] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) <6>[ 1.126750] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) <6>[ 1.127791] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) <6>[ 1.128739] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) <6>[ 1.131678] TCP: Hash tables configured (established 32768 bind 32768) <6>[ 1.132637] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) <6>[ 1.133649] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) <6>[ 1.134572] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) <6>[ 1.135694] NET: Registered protocol family 1 <6>[ 1.136872] RPC: Registered named UNIX socket transport module. <6>[ 1.137440] RPC: Registered udp transport module. <6>[ 1.137893] RPC: Registered tcp transport module. <6>[ 1.138330] RPC: Registered tcp NFSv4.1 backchannel transport module. <6>[ 1.139573] NET: Registered protocol family 44 <6>[ 1.140031] pci 0000:00:1c.0: PCI bridge to [bus 01] <6>[ 1.140506] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] <6>[ 1.141147] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] <6>[ 1.141716] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] <6>[ 1.142276] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] <6>[ 1.142971] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window] <6>[ 1.143588] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window] <6>[ 1.144217] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window] <6>[ 1.144849] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window] <6>[ 1.145475] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window] <6>[ 1.146110] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window] <6>[ 1.146795] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window] <6>[ 1.147419] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window] <6>[ 1.148055] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window] <6>[ 1.148693] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window] <6>[ 1.149319] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window] <6>[ 1.149953] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window] <6>[ 1.150579] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window] <6>[ 1.151214] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window] <6>[ 1.151853] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window] <6>[ 1.152494] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window] <6>[ 1.153129] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window] <6>[ 1.153768] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff] <6>[ 1.154862] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] <6>[ 1.157754] PCI: CLS 64 bytes, default 64 <6>[ 1.158556] Unpacking initramfs... <6>[ 1.616402] Freeing initrd memory: 10248K <6>[ 1.616932] DMAR: Host address width 39 <6>[ 1.617332] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 <6>[ 1.617920] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e <6>[ 1.618681] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff <6>[ 1.619249] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 <6>[ 1.619767] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da <6>[ 1.620574] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) <6>[ 1.621170] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB) <6>[ 1.622145] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer <6>[ 1.622878] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules <6>[ 1.623402] RAPL PMU: hw unit of domain package 2^-14 Joules <6>[ 1.623945] RAPL PMU: hw unit of domain dram 2^-14 Joules <6>[ 1.624438] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules <6>[ 1.624962] RAPL PMU: hw unit of domain psys 2^-14 Joules <3>[ 1.627372] kvm: already loaded the other module <6>[ 1.630409] check: Scanning for low memory corruption every 60 seconds <5>[ 1.634493] Initialise system trusted keyrings <6>[ 1.635195] workingset: timestamp_bits=56 max_order=20 bucket_order=0 <5>[ 1.657326] NFS: Registering the id_resolver key type <5>[ 1.657857] Key type id_resolver registered <5>[ 1.658279] Key type id_legacy registered <5>[ 1.680679] Key type asymmetric registered <5>[ 1.681100] Asymmetric key parser 'x509' registered <6>[ 1.681609] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 248) <6>[ 1.682308] io scheduler mq-deadline registered <6>[ 1.682743] io scheduler kyber registered <4>[ 1.683365] test_firmware: interface ready <6>[ 1.685409] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120 <6>[ 1.687372] ACPI: AC Adapter [AC] (on-line) <6>[ 1.688208] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0 <6>[ 1.690101] ACPI: Lid Switch [LID0] <6>[ 1.690733] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 <6>[ 1.691674] ACPI: Power Button [PWRF] <6>[ 1.692518] ACPI: \_PR_.CP00: Found 3 idle states <6>[ 1.693754] ACPI: \_PR_.CP01: Found 3 idle states <6>[ 1.694830] ACPI: \_PR_.CP02: Found 3 idle states <6>[ 1.695907] ACPI: \_PR_.CP03: Found 3 idle states <6>[ 1.697774] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled <4>[ 1.702691] hpet_acpi_add: no address or irqs in _CRS <6>[ 1.703203] battery: ACPI: Battery Slot [BAT0] (battery present) <6>[ 1.703447] Non-volatile memory driver v1.3 <6>[ 1.704372] Linux agpgart interface v0.103 <6>[ 1.705179] ACPI: bus type drm_connector registered <6>[ 1.705827] [drm] amdgpu kernel modesetting enabled. <6>[ 1.709181] i915 0000:00:02.0: vgaarb: deactivate vga console <6>[ 1.761946] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem <6>[ 1.763759] i915 0000:00:02.0: [drm] Finished loading DMC firmware i915/kbl_dmc_ver1_04.bin (v1.4) <6>[ 1.789158] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 <6>[ 1.793199] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 <6>[ 1.810304] loop: module loaded <6>[ 1.811490] lkdtm: No crash points registered, enable through debugfs <6>[ 1.836461] printk: console [ttyS0] disabled <6>[ 1.837233] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A <6>[ 2.673845] tsc: Refined TSC clocksource calibration: 1608.000 MHz <6>[ 2.673878] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172daa3a18b, max_idle_ns: 440795212390 ns <6>[ 2.674074] clocksource: Switched to clocksource tsc <6>[ 5.450193] printk: console [ttyS0] enabled <6>[ 5.450221] fbcon: i915drmfb (fb0) is primary device <6>[ 5.463232] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A <4>[ 5.465521] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO <6>[ 5.473738] e100: Intel(R) PRO/100 Network Driver <6>[ 5.473741] e100: Copyright(c) 1999-2006 Intel Corporation <6>[ 5.473808] e1000: Intel(R) PRO/1000 Network Driver <6>[ 5.473810] e1000: Copyright (c) 1999-2006 Intel Corporation. <6>[ 5.473891] e1000e: Intel(R) PRO/1000 Network Driver <6>[ 5.473894] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. <6>[ 5.473979] igb: Intel(R) Gigabit Ethernet Network Driver <6>[ 5.473981] igb: Copyright (c) 2007-2014 Intel Corporation. <6>[ 5.474045] sky2: driver version 1.30 <6>[ 5.474381] usbcore: registered new interface driver r8152 <6>[ 5.474910] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver <6>[ 5.474935] ehci-pci: EHCI PCI platform driver <6>[ 5.475009] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver <6>[ 5.475032] ohci-pci: OHCI PCI platform driver <6>[ 5.475097] uhci_hcd: USB Universal Host Controller Interface driver <6>[ 5.476158] xhci_hcd 0000:00:14.0: xHCI Host Controller <6>[ 5.476530] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2 <6>[ 5.477187] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 <6>[ 5.478551] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 <6>[ 5.478601] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported <6>[ 5.480513] xhci_hcd 0000:00:14.0: xHCI Host Controller <6>[ 5.480965] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 <6>[ 5.480985] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed <6>[ 5.481516] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 <6>[ 5.481541] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 <6>[ 5.481547] usb usb1: Product: xHCI Host Controller <6>[ 5.481552] usb usb1: Manufacturer: Linux 5.10.207-cip41 xhci-hcd <6>[ 5.481556] usb usb1: SerialNumber: 0000:00:14.0 <6>[ 5.483380] hub 1-0:1.0: USB hub found <6>[ 5.483561] hub 1-0:1.0: 12 ports detected <6>[ 5.487946] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 <6>[ 5.487952] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 <6>[ 5.487958] usb usb2: Product: xHCI Host Controller <6>[ 5.487963] usb usb2: Manufacturer: Linux 5.10.207-cip41 xhci-hcd <6>[ 5.487968] usb usb2: SerialNumber: 0000:00:14.0 <6>[ 5.489322] hub 2-0:1.0: USB hub found <6>[ 5.489386] hub 2-0:1.0: 6 ports detected <6>[ 5.491612] usbcore: registered new interface driver usblp <6>[ 5.491734] usbcore: registered new interface driver usb-storage <6>[ 5.492357] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers <6>[ 5.492530] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 <4>[ 5.492534] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp <4>[ 5.493298] i8042: Warning: Keylock active <6>[ 5.493556] serio: i8042 KBD port at 0x60,0x64 irq 1 <6>[ 5.496298] rtc_cmos 00:02: RTC can wake from S4 <6>[ 5.498837] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0) <6>[ 5.498899] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 <6>[ 5.500237] Console: switching to colour frame buffer device 240x67 <6>[ 5.501683] rtc_cmos 00:02: registered as rtc0 <6>[ 5.502120] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram <6>[ 5.503663] i801_smbus 0000:00:1f.4: SPD Write Disable is set <6>[ 5.503736] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt <6>[ 5.505257] i2c i2c-9: 2/2 memory slots populated (from DMI) <6>[ 5.507563] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com <6>[ 5.507667] intel_pstate: Intel P-state driver initializing <6>[ 5.508752] intel_pstate: HWP enabled <6>[ 5.508785] sdhci: Secure Digital Host Controller Interface driver <6>[ 5.508786] sdhci: Copyright(c) Pierre Ossman <6>[ 5.508814] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21) <6>[ 5.510021] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit <6>[ 5.514994] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device <6>[ 5.520996] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 5.608774] tpm_tis_spi spi-PRP0001:00: Cr50 firmware version: B2-C:0 RO_A:0.0.10/29d77172 RW_B:0.3.15/cr50_v1.9308_87_mp.224-6 <6>[ 5.614117] hid: raw HID events driver (C) Jiri Kosina <6>[ 5.729687] usb 1-3: new full-speed USB device number 2 using xhci_hcd <6>[ 5.732643] usbcore: registered new interface driver usbhid <6>[ 5.865701] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 <6>[ 5.871743] usbhid: USB HID core driver <6>[ 5.877017] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 <6>[ 5.884728] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3 <6>[ 5.982747] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd <6>[ 5.988688] cros_ec_lpcs GOOG0004:00: Chrome EC device registered <6>[ 6.001572] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 <6>[ 6.004029] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100 <6>[ 6.012862] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6 <6>[ 6.018320] ipip: IPv4 and MPLS over IPv4 tunneling driver <6>[ 6.025720] usb 2-3: Product: USB 10/100/1000 LAN <6>[ 6.025722] usb 2-3: Manufacturer: Realtek <6>[ 6.039482] IPv4 over IPsec tunneling driver <6>[ 6.047319] usb 2-3: SerialNumber: 001000001 <6>[ 6.054678] Initializing XFRM netlink socket <6>[ 6.114947] NET: Registered protocol family 10 <6>[ 6.115678] usb 1-9: new high-speed USB device number 3 using xhci_hcd <6>[ 6.121034] Segment Routing with IPv6 <6>[ 6.132833] NET: Registered protocol family 17 <6>[ 6.138236] 8021q: 802.1Q VLAN Support v1.8 <6>[ 6.140261] mmc0: new HS400 MMC card at address 0001 <5>[ 6.143261] Key type dns_resolver registered <6>[ 6.149639] mmcblk0: mmc0:0001 DA4064 58.2 GiB <6>[ 6.160033] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB <6>[ 6.160175] microcode: sig=0x806e9, pf=0x10, revision=0x98 <6>[ 6.167083] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB <6>[ 6.173399] microcode: Microcode Update Driver: v2.2. <6>[ 6.180289] IPI shorthand broadcast: enabled <6>[ 6.180446] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (245:0) <6>[ 6.186267] sched_clock: Marking stable (6100609681, 85619586)->(6339316802, -153087535) <6>[ 6.209246] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) <6>[ 6.219515] registered taskstats version 1 <6>[ 6.222646] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 <5>[ 6.224421] Loading compiled-in X.509 certificates <3>[ 6.238256] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up <6>[ 6.238878] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.255896] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.265357] PM: Magic number: 8:540:13 <6>[ 6.270222] printk: console [netcon0] enabled <6>[ 6.275392] netconsole: network logging started <6>[ 6.309791] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07 <6>[ 6.319239] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2 <6>[ 6.327511] usb 1-9: Product: USB2.0 HD UVC WebCam <6>[ 6.333161] usb 1-9: Manufacturer: Azurewave <6>[ 6.338227] usb 1-9: SerialNumber: 0x0001 <6>[ 6.350138] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.395653] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd <6>[ 6.441009] r8152 2-3:1.0: load rtl8153b-2 v2 04/27/23 successfully <6>[ 6.477412] r8152 2-3:1.0 eth0: v1.11.11 <6>[ 6.483008] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 8.189014] r8152 2-3:1.0 eth0: carrier on <6>[ 8.194041] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready <5>[ 8.202712] Sending DHCP requests .., OK <6>[ 11.168537] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.15 <6>[ 11.177810] IP-Config: Complete: <6>[ 11.181737] device=eth0, hwaddr=00:e0:4c:68:04:98, ipaddr=192.168.201.15, mask=255.255.255.0, gw=192.168.201.1 <6>[ 11.193716] host=asus-c433ta-aj0005-rammus-cbg-4, domain=lava-rack, nis-domain=(none) <6>[ 11.203260] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= <6>[ 11.203263] nameserver0=192.168.201.1 <5>[ 11.216716] cfg80211: Loading compiled-in X.509 certificates for regulatory database <6>[ 11.228392] modprobe (101) used greatest stack depth: 14208 bytes left <5>[ 11.231344] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' <6>[ 11.236018] modprobe (102) used greatest stack depth: 14120 bytes left <5>[ 11.243812] cfg80211: Loaded X.509 cert 'wens: 61c038651aabdcf94bd0ac7ff06c7248db18c600' <6>[ 11.260783] ALSA device list: <4>[ 11.260846] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 <6>[ 11.264424] No soundcards found. <6>[ 11.274402] cfg80211: failed to load regulatory.db <4>[ 11.284522] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console <6>[ 11.294450] Freeing unused kernel image (initmem) memory: 2172K <6>[ 11.312946] Write protecting the kernel read-only data: 36864k <6>[ 11.320682] Freeing unused kernel image (text/rodata gap) memory: 2028K <6>[ 11.328784] Freeing unused kernel image (rodata/data gap) memory: 1312K <6>[ 11.336557] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u2 <6>[ 11.357007] systemd-udevd (123) used greatest stack depth: 13816 bytes left <6>[ 11.404034] udevadm (125) used greatest stack depth: 13592 bytes left <6>[ 11.528859] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.537649] chromeos ramoops using acpi device. <6>[ 11.545908] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <4>[ 11.557991] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. <6>[ 11.566245] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.581737] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <4>[ 11.592675] i2c_hid i2c-PNP0C50:00: supply vdd not found, using dummy regulator <4>[ 11.602211] i2c_hid i2c-PNP0C50:00: supply vddl not found, using dummy regulator <6>[ 11.603041] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.625274] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.646704] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.648961] Registered efivars operations <6>[ 11.660093] gsmi version 1.0 loaded <6>[ 11.784333] 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>[ 11.802808] hid-generic 0018:0457:157E.0001: input,hidraw0: I2C HID v1.00 Device [PNP0C50:00 0457:157E] on i2c-PNP0C50:00 <6>[ 11.815907] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.836141] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <4>[ 11.846127] da7219 i2c-DLGS7219:00: Using default DAI clk names: da7219-dai-wclk, da7219-dai-bclk <6>[ 11.850877] uvcvideo: Found UVC 1.00 device USB2.0 HD UVC WebCam (13d3:56d4) <6>[ 11.860150] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.877190] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.889289] 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>[ 11.901457] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.901890] usbcore: registered new interface driver uvcvideo <6>[ 11.911389] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.916673] USB Video Class driver (1.1.1) <6>[ 11.932122] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.941901] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.951659] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.972388] udevadm (146) 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:68:04:98 mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.15 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-4 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : <6>[ 12.145877] 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>[ 13.367953] 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>[ 13.406962] systemd[1]: Detected architecture x86-64. Welcome to Debian GNU/Linux 11 (bullseye)! <30>[ 13.437600] systemd[1]: Set hostname to . <30>[ 13.889919] systemd[1]: Queued start job for default target Graphical Interface. <30>[ 13.901526] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. <30>[ 13.918236] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. <30>[ 13.935279] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. <30>[ 13.952219] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. <30>[ 13.969178] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. <30>[ 13.991150] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. <30>[ 14.010845] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [ OK ] Set up automount Arbitrary…s File System Automount Point. <30>[ 14.034015] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. <30>[ 14.051019] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. <30>[ 14.064979] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. <30>[ 14.080966] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. <30>[ 14.094983] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. <30>[ 14.106191] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. <30>[ 14.123804] systemd[1]: Listening on Journal Audit Socket. [ OK ] Listening on Journal Audit Socket. <30>[ 14.140835] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). <30>[ 14.157291] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. <30>[ 14.172933] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. <30>[ 14.192744] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. <30>[ 14.209254] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. <30>[ 14.226681] systemd[1]: Mounting Huge Pages File System... Mounting Huge Pages File System... <30>[ 14.243168] systemd[1]: Mounting POSIX Message Queue File System... Mounting POSIX Message Queue File System... <30>[ 14.261355] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... <30>[ 14.277486] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... <30>[ 14.297806] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... <30>[ 14.319438] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... <30>[ 14.336448] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... <30>[ 14.357478] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... <30>[ 14.375777] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. <30>[ 14.390332] systemd[1]: Starting Journal Service... Starting Journal Service... <6>[ 14.419035] fuse: init (API version 7.32) <30>[ 14.419922] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... <30>[ 14.437065] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... <30>[ 14.457348] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... <30>[ 14.473441] systemd[1]: Mounted Huge Pages File System. [ OK ] Mounted Huge Pages File System. <30>[ 14.490052] systemd[1]: Mounted POSIX Message Queue File System. [ OK ] Mounted POSIX Message Queue File System. <30>[ 14.505927] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. <30>[ 14.521925] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. <30>[ 14.539837] 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>[ 14.562532] systemd[1]: modprobe@configfs.service: Succeeded. <30>[ 14.570084] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. <30>[ 14.586605] systemd[1]: modprobe@drm.service: Succeeded. <30>[ 14.593617] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. <30>[ 14.609610] systemd[1]: modprobe@fuse.service: Succeeded. <30>[ 14.616713] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. <30>[ 14.633056] systemd[1]: Started Journal Service. [ OK ] Started Journal Service. [ 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>[ 14.723203] 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 Coldplug All udev Devices. <6>[ 15.830677] systemd-sysuser (217) used greatest stack depth: 12496 bytes left [ OK ] Finished Create System Users. Starting Create Static Device Nodes in /dev... [ OK ] Finished Flush Journal to Persistent Storage. <6>[ 16.246821] systemd-tmpfile (219) used greatest stack depth: 12384 bytes left [ OK ] Finished Create Static Device Nodes in /dev. [ OK ] Reached target Local File Systems (Pre). [ OK ] Reached target Local File Systems. Starting Create Volatile Files and Directories... Starting Rule-based Manage…for Device Events and Files... [ OK ] Started Rule-based Manager for Device Events and Files. Starting Network Service... [ OK ] Finished Create Volatile Files and Directories. Starting Network Time Synchronization... Starting Update UTMP about System Boot/Shutdown... [ OK ] Found device Sunrise Point-LP Serial IO UART Controller. [ OK ] Finished Update UTMP about System Boot/Shutdown. [ OK ] Created slice system-systemd\x2dbacklight.slice. [ OK ] Listening on Load/Save RF …itch Status /dev/rfkill Watch. Starting Load/Save Screen …f backlight:intel_backlight... Starting Load/Save Screen …eds:chromeos::kbd_backlight... [ OK ] Finished Load/Save Screen … of backlight:intel_backlight. [ OK ] Finished Load/Save Screen … leds:chromeos::kbd_backlight. [ OK ] Started Network Service. Starting Network Name Resolution... [ OK ] Started Network Time Synchronization. [ OK ] Reached target System Initialization. [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Reached target System Time Set. [ OK ] Reached target System Time Synchronized. [ OK ] Started Daily apt download activities. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Started Periodic ext4 Onli…ata Check for All Filesystems. [ OK ] Started Discard unused blocks once a week. [ OK ] Reached target Timers. [ OK ] Listening on D-Bus System Message Bus Socket. [ OK ] Reached target Sockets. [ OK ] Reached target Basic System. [ OK ] Started D-Bus System Message Bus. Starting Remove Stale Onli…t4 Metadata Check Snapshots... Starting User Login Management... [ OK ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots. [ OK ] Started User Login Management. [ OK ] Started Network Name Resolution. [ OK ] Reached target Network. [ OK ] Reached target Host and Network Name Lookups. Starting Permit User Sessions... [ OK ] Finished Permit User Sessions. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Finished Update UTMP about System Runlevel Changes. Debian GNU/Linux 11 debian-bullseye-amd64 ttyS0 debian-bullseye-amd64 login: root (automatic login) Linux debian-bullseye-amd64 5.10.207-cip41 #1 SMP Sat Jan 13 05:46:17 UTC 2024 x86_64 The programs included with the Debian GNU/Linux system are free software; the exact distribution terms for each program are described in the individual files in /usr/share/doc/*/copyright. Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent permitted by applicable law. / # / # export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/12521760/extract-nfsrootfs-h_jsv69o' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/12521760/extract-nfsrootfs-h_jsv69o' / # 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-12521760/environment . /lava-12521760/environment / # /lava-12521760/bin/lava-test-runner /lava-12521760/0 /lava-12521760/bin/lava-test-runner /lava-12521760/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-12521760/0/tests/0_timesync-off ++ cat uuid + UUID=12521760_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-12521760/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=12521760_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/v5.10.205-905-gb40421b142370/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 --2024-01-13 06:02:13-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.205-905-gb40421b142370/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: 3378144 (3.2M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 50.15K 189KB/s kselftest.tar.xz 6%[> ] 216.08K 405KB/s kselftest.tar.xz 25%[====> ] 841.10K 988KB/s kselftest.tar.xz 59%[==========> ] 1.93M 1.71MB/s kselftest.tar.xz 90%[=================> ] 2.93M 2.19MB/s kselftest.tar.xz 100%[===================>] 3.22M 2.32MB/s in 1.4s 2024-01-13 06:02:15 (2.32 MB/s) - 'kselftest.tar.xz' saved [3378144/3378144] 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 l<12>[ 31.916815] kselftest: Running tests in lkdtm kdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_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>[ 32.395708] lkdtm: Performing direct entry BUG <4>[ 32.401064] ------------[ cut here ]------------ <2>[ 32.406527] kernel BUG at drivers/misc/lkdtm/bugs.c:76! <4>[ 32.412673] invalid opcode: 0000 [#1] SMP PTI <4>[ 32.417836] CPU: 1 PID: 641 Comm: cat Tainted: G W 5.10.207-cip41 #1 <4>[ 32.426684] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 32.433802] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 32.438478] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 <4>[ 32.459757] RSP: 0018:ffff95fb41347e60 EFLAGS: 00010286 <4>[ 32.465883] RAX: ffffffff97b7bf00 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 32.474146] RDX: 0000000000000000 RSI: ffff8e44fac9bf50 RDI: ffffffff98cf84b0 <4>[ 32.482408] RBP: ffffffff991e8ec8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 32.490668] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 32.498928] R13: ffff95fb41347f10 R14: ffff95fb41347f10 R15: ffff8e4482a20000 <4>[ 32.507190] FS: 00007f4d4cca0580(0000) GS:ffff8e44fac80000(0000) knlGS:0000000000000000 <4>[ 32.516518] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 32.523226] CR2: 00007f4d4caaa000 CR3: 0000000102dca002 CR4: 00000000003706e0 <4>[ 32.531487] Call Trace: <4>[ 32.534505] ? __die_body.cold+0x1a/0x1f <4>[ 32.539181] ? die+0x2b/0x50 <4>[ 32.542696] ? do_trap+0x91/0x110 <4>[ 32.546705] ? lkdtm_BUG+0x5/0x10 <4>[ 32.550707] ? do_error_trap+0x90/0x110 <4>[ 32.555279] ? lkdtm_BUG+0x5/0x10 <4>[ 32.559268] ? lkdtm_BUG+0x5/0x10 <4>[ 32.563250] ? exc_invalid_op+0x4e/0x70 <4>[ 32.567826] ? lkdtm_BUG+0x5/0x10 <4>[ 32.571816] ? asm_exc_invalid_op+0x12/0x20 <4>[ 32.576777] ? direct_entry+0xe0/0xe0 <4>[ 32.581156] ? lkdtm_BUG+0x5/0x10 <4>[ 32.585145] direct_entry.cold+0x2c/0x38 <4>[ 32.589816] full_proxy_write+0x53/0x80 <4>[ 32.594395] vfs_write+0xe7/0x3b0 <4>[ 32.598384] ksys_write+0x68/0xf0 <4>[ 32.602375] do_syscall_64+0x30/0x40 <4>[ 32.606659] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 32.612591] RIP: 0033:0x7f4d4cbb6473 <4>[ 32.616871] 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>[ 32.638139] RSP: 002b:00007ffea82480b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 32.646887] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f4d4cbb6473 <4>[ 32.655149] RDX: 0000000000000004 RSI: 00007f4d4caaa000 RDI: 0000000000000001 <4>[ 32.663410] RBP: 00007f4d4caaa000 R08: 00007f4d4caa9010 R09: 0000000000000000 <4>[ 32.671672] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 32.679925] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 32.688190] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger cros_usbpd_charger videobuf2_vmalloc videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c cros_usbpd_notify i2c_hid coreboot_table chromeos_pstore cros_kbd_led_backlight <0>[ 32.742882] gsmi: Log Shutdown Reason 0x03 <4>[ 32.747761] ---[ end trace 666ee677a86ad342 ]--- <4>[ 32.753243] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 32.757921] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 <4>[ 32.779207] RSP: 0018:ffff95fb41347e60 EFLAGS: 00010286 <4>[ 32.785343] RAX: ffffffff97b7bf00 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 32.793660] RDX: 0000000000000000 RSI: ffff8e44fac9bf50 RDI: ffffffff98cf84b0 <4>[ 32.801933] RBP: ffffffff991e8ec8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 32.810226] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 32.818490] R13: ffff95fb41347f10 R14: ffff95fb41347f10 R15: ffff8e4482a20000 <4>[ 32.826789] FS: 00007f4d4cca0580(0000) GS:ffff8e44fac80000(0000) knlGS:0000000000000000 <4>[ 32.836152] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 32.842888] CR2: 00007f4d4caaa000 CR3: 0000000102dca002 CR4: 00000000003706e0 # Segmentation fault # [ 32.395708] lkdtm: Performing direct entry BUG # [ 32.401064] ------------[ cut here ]------------ # [ 32.406527] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 32.412673] invalid opcode: 0000 [#1] SMP PTI # [ 32.417836] CPU: 1 PID: 641 Comm: cat Tainted: G W 5.10.207-cip41 #1 # [ 32.426684] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 32.433802] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 32.438478] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 # [ 32.459757] RSP: 0018:ffff95fb41347e60 EFLAGS: 000<6>[ 32.933790] lkdtm: Performing direct entry WARNING 10286 # [ 32.465883] RAX: ffffffff97b7bf00 RBX: 0000000000000<4>[ 32.941919] ------------[ cut here ]------------ 001 RCX: 0000000000000000 # [ 32.474146] RDX: 000000000000000<4>[ 32.953578] WARNING: CPU: 1 PID: 679 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 0 RSI: ffff8e44fac9bf50 RDI: ffffffff98cf84b0 # [ 32.482408] <4>[ 32.969486] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger cros_usbpd_charger videobuf2_vmalloc videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c cros_usbpd_notify i2c_hid coreboot_table chromeos_pstore cros_kbd_led_backlight RBP: ffffffff991e8ec8 R08: 0000000000000001 R09: 000000000000000<4>[ 33.028471] CPU: 1 PID: 679 Comm: cat Tainted: G D W 5.10.207-cip41 #1 1 # [ 32.490668] R10: 00000000ffffe000 R11: 3fffffffffffffff <4>[ 33.043517] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 R12: 0000000000000004 # [ 32.498928] R13: ffff95fb41347f10 R1<4>[ 33.056834] RIP: 0010:lkdtm_WARNING+0x13/0x20 4: ffff95fb41347f10 R15: ffff8e4482a20000 # [ 32.507190] FS: <4>[ 33.068207] 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 f0 7d 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 d1 7d 00007f4d4cca0580(0000) GS:ffff8e44fac80000(0000) knlGS:00000000<4>[ 33.095735] RSP: 0018:ffff95fb413d7e60 EFLAGS: 00010202 00000000 # [ 32.516518] CS: 0010 DS: 0000 ES: 0000 CR0: 0000<4>[ 33.108057] RAX: ffffffff97b7bf10 RBX: 0000000000000002 RCX: 0000000000000000 <4>[ 33.122535] RDX: 0000000000000000 RSI: ffff8e44fac9bf50 RDI: ffffffff98cf84c0 000080050033 # [ 32.523226] CR2: 00007f4d4caaa000 CR3: 000000<4>[ 33.130800] RBP: ffffffff99182b3f R08: 0000000000000000 R09: 0000000000000000 <4>[ 33.145275] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 0102dca002 CR4: 00000000003706e0 # [ 32.531487] Call Trace: <4>[ 33.153540] R13: ffff95fb413d7f10 R14: ffff95fb413d7f10 R15: ffff8e44836b9000 # [ 32.534505] ? __die_body.cold+0x1a/0x1f # [ 32.539181] <4>[ 33.168012] FS: 00007f2f92356580(0000) GS:ffff8e44fac80000(0000) knlGS:0000000000000000 <4>[ 33.183562] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ? die+0x2b/0x50 # [ 32.542696] ? do_trap+0x91/0x110 # [ <4>[ 33.190273] CR2: 00007f2f92160000 CR3: 0000000102a18001 CR4: 00000000003706e0 <4>[ 33.204748] Call Trace: 32.546705] ? lkdtm_BUG+0x5/0x10 # [ 32.550707] ? do_error_t<4>[ 33.207790] ? __warn+0x80/0x110 rap+0x90/0x110 # [ 32.555279] ? lkdtm_BUG+0x5/0x10 # [ 32<4>[ 33.217872] ? lkdtm_WARNING+0x13/0x20 .559268] ? lkdtm_BUG+0x5/0x10 # [ 32.563250] ? exc_invalid_<4>[ 33.228567] ? report_bug+0x9e/0xc0 op+0x4e/0x70 # [ 32.567826] ? lkdtm_BUG+0x5/0x10 # [ 32.5<4>[ 33.238968] ? handle_bug+0x41/0x90 71816] ? asm_exc_invalid_op+0x12/0x20 # [ 32.576777] ? dire<4>[ 33.249367] ? exc_invalid_op+0x14/0x70 ct_entry+0xe0/0xe0 # [ 32.581156] ? lkdtm_BUG+0x5/0x10 # [ <4>[ 33.260158] ? asm_exc_invalid_op+0x12/0x20 32.585145] direct_entry.cold+0x2c/0x38 # [ 32.589816] ful<4>[ 33.271339] ? lkdtm_BUG+0x10/0x10 l_proxy_write+0x53/0x80 # [ 32.594395] vfs_write+0xe7/0x3b0 <4>[ 33.281664] ? lkdtm_WARNING+0x13/0x20 # [ 32.598384] ksys_write+0x68/0xf0 # [ 32.602375] do_sy<4>[ 33.292357] direct_entry.cold+0x2c/0x38 scall_64+0x30/0x40 # [ 32.606659] entry_SYSCALL_64_after_hwf<4>[ 33.303245] full_proxy_write+0x53/0x80 rame+0x62/0xc7 # [ 32.612591] RIP: 0033:0x7f4d4cbb6473 # [ <4>[ 33.314035] vfs_write+0xe7/0x3b0 32.616871] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff f<4>[ 33.324244] ksys_write+0x68/0xf0 f ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01<4>[ 33.334451] do_syscall_64+0x30/0x40 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 e<4>[ 33.344949] entry_SYSCALL_64_after_hwframe+0x62/0xc7 c 28 48 89 54 24 18 # [ 32.638139] RSP: 002b:00007ffea82480b8<4>[ 33.357099] RIP: 0033:0x7f2f9226c473 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 32.646887] R<4>[ 33.367597] 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 AX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f4d4cbb6473<4>[ 33.395091] RSP: 002b:00007ffefdfa6688 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 33.410056] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f2f9226c473 # [ 32.655149] RDX: 0000000000000004 RSI: 00007f4d4caaa000 R<4>[ 33.418319] RDX: 0000000000000008 RSI: 00007f2f92160000 RDI: 0000000000000001 <4>[ 33.432794] RBP: 00007f2f92160000 R08: 00007f2f9215f010 R09: 0000000000000000 DI: 0000000000000001 # [ 32.663410] RBP: 00007f4d4caaa000 R08<4>[ 33.441059] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 33.455533] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 : 00007f4d4caa9010 R09: 0000000000000000 # [ 32.671672] R10: <4>[ 33.463802] irq event stamp: 0 <4>[ 33.473710] hardirqs last enabled at (0): [<0000000000000000>] 0x0 fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # <4>[ 33.481005] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 [ 32.679925] R13: 0000000000000001 R14: 0000000000020000 R15: <4>[ 33.496662] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 33.512307] softirqs last disabled at (0): [<0000000000000000>] 0x0 0000000000020000 # [ 32.688190] Modules linked in: fuse ip_ta<4>[ 33.519602] ---[ end trace 666ee677a86ad343 ]--- bles cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger cros_usbpd_charger videobuf2_vmalloc videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c cros_usbpd_notify i2c_hid coreboot_table chromeos_pstore cros_kbd_led_backlight # [ 32.742882] gsmi: Log Shutdown Reason 0x03 # [ 32.747761] ---[ end trace 666ee677a86ad342 ]--- # [ 32.753243] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 32.757921] Code: 89 ff e8 5e d4 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 0<6>[ 33.611429] lkdtm: Performing direct entry WARNING_MESSAGE <4>[ 33.618480] ------------[ cut here ]------------ <4>[ 33.623939] Warning message trigger count: 2 f 1f 44 00 00 83 05 f0 7d 0b 03 # [ 32.779207] RSP: 0018:ffff<4>[ 33.629050] WARNING: CPU: 2 PID: 715 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 95fb41347e60 EFLAGS: 00010286 # [ 32.785343] RAX: ffffffff97b<4>[ 33.645749] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger cros_usbpd_charger videobuf2_vmalloc videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c cros_usbpd_notify i2c_hid coreboot_table chromeos_pstore cros_kbd_led_backlight 7bf00 RBX: 0000000000000001 RCX: 0000000000000000 # [ 32.7936<4>[ 33.704778] CPU: 2 PID: 715 Comm: cat Tainted: G D W 5.10.207-cip41 #1 60] RDX: 0000000000000000 RSI: ffff8e44fac9bf50 RDI: ffffffff98c<4>[ 33.719847] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 f84b0 # [ 32.801933] RBP: ffffffff991e8ec8 R08: 0000000000000<4>[ 33.733160] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 001 R09: 0000000000000001 # [ 32.810226] R10: 00000000ffffe00<4>[ 33.745313] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 d1 7d 0b 03 48 c7 c7 a0 30 18 99 8d 70 01 89 35 c1 7d 0b 03 e8 9a b7 69 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 0 R11: 3fffffffffffffff R12: 0000000000000004 # [ 32.818490] <4>[ 33.772804] RSP: 0018:ffff95fb41487e60 EFLAGS: 00010286 R13: ffff95fb41347f10 R14: ffff95fb41347f10 R15: ffff8e4482a2000<4>[ 33.785148] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 0 # [ 32.826789] FS: 00007f4d4cca0580(0000) GS:ffff8e44fac80<4>[ 33.799629] RDX: ffff8e44fad2c620 RSI: ffff8e44fad1bf50 RDI: ffff8e44fad1bf50 000(0000) knlGS:0000000000000000 # [ 32.836152] CS: 0010 DS:<4>[ 33.814111] RBP: ffffffff99182b47 R08: 0000000000000000 R09: 0000000000000000 0000 ES: 0000 CR0: 0000000080050033 # [ 32.842888] CR2: 0000<4>[ 33.828590] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 7f4d4caaa000 CR3: 0000000102dca002 CR4: 00000000003706e0 # BUG:<4>[ 33.843074] R13: ffff95fb41487f10 R14: ffff95fb41487f10 R15: ffff8e4482cda000 saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selft<4>[ 33.857553] FS: 00007f9b03714580(0000) GS:ffff8e44fad00000(0000) knlGS:0000000000000000 ests: lkdtm: WARNING.sh # [ 32.933790] lkdtm: Performing dire<4>[ 33.873102] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ct entry WARNING # [ 32.941919] ------------[ cut here ]-----<4>[ 33.886031] CR2: 00007f9b0351e000 CR3: 0000000102a2e001 CR4: 00000000003706e0 ------- # [ 32.953578] WARNING: CPU: 1 PID: 679 at drivers/mi<4>[ 33.900513] Call Trace: sc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 # [ 32.969486] Mod<4>[ 33.909755] ? __warn+0x80/0x110 ules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle<4>[ 33.919861] ? lkdtm_WARNING_MESSAGE+0x20/0x30 cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf in<4>[ 33.931334] ? report_bug+0x9e/0xc0 dustrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_e<4>[ 33.941735] ? handle_bug+0x41/0x90 c_chardev uvcvideo cros_usbpd_logger cros_usbpd_charger videobuf<4>[ 33.952135] ? exc_invalid_op+0x14/0x70 2_vmalloc videobuf2_memops cros_ec_sensorhub snd_soc_da7219 vide<4>[ 33.962924] ? asm_exc_invalid_op+0x12/0x20 <4>[ 33.974107] ? lkdtm_WARNING_MESSAGE+0x20/0x30 obuf2_v4l2 gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_commo<4>[ 33.979388] direct_entry.cold+0x2c/0x38 <4>[ 33.990272] full_proxy_write+0x53/0x80 <4>[ 33.994878] vfs_write+0xe7/0x3b0 <4>[ 33.998904] ksys_write+0x68/0xf0 <4>[ 34.002925] do_syscall_64+0x30/0x40 <4>[ 34.007217] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 34.013183] RIP: 0033:0x7f9b0362a473 <4>[ 34.017469] 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>[ 34.038775] RSP: 002b:00007ffdaae8d1c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 34.047530] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f9b0362a473 <4>[ 34.055795] RDX: 0000000000000010 RSI: 00007f9b0351e000 RDI: 0000000000000001 <4>[ 34.064060] RBP: 00007f9b0351e000 R08: 00007f9b0351d010 R09: 0000000000000000 <4>[ 34.072326] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 34.080591] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 34.088861] irq event stamp: 0 <4>[ 34.092591] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 34.099887] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 34.109318] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 34.118752] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 34.126046] ---[ end trace 666ee677a86ad344 ]--- n snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c cros_usbpd_notify i2c_hid coreboot_table chromeos_pstore cros_kbd_led_backlight # [ 33.028471] CPU: 1 PID: 679 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 33.043517] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 33.056834] RIP: 0010:lkdtm_WARNING+0x13/0x20 # [ 33.068207] 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 f0 7d 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 d1 7d # [ 33.095735] RSP: 0018:ffff95fb413d7e60 EFLAGS: 00010202 # [ 33.108057] RAX: ffffffff97b7bf10 RBX: 0000000000000002 RCX: 0000000000000000 # [ 33.122535] RDX: 0000000000000000 RSI: ffff8e44<6>[ 34.205801] lkdtm: Performing direct entry EXCEPTION fac9bf50 RDI: ffffffff98cf84c0 # [ 33.130800] RBP: ffffffff99<1>[ 34.211948] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 34.226227] #PF: supervisor write access in kernel mode <1>[ 34.232352] #PF: error_code(0x0002) - not-present page <6>[ 34.238377] PGD 0 P4D 0 <4>[ 34.241494] Oops: 0002 [#2] SMP PTI <4>[ 34.245667] CPU: 1 PID: 748 Comm: cat Tainted: G D W 5.10.207-cip41 #1 182b3f R08: 0000000000000000 R09: 0000000000000000 # [ 33.145<4>[ 34.254510] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 34.267823] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 275] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000<4>[ 34.273075] Code: 48 c7 c7 a0 30 18 99 8d 70 01 89 35 c1 7d 0b 03 e8 9a b7 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>[ 34.300561] RSP: 0018:ffff95fb41507e60 EFLAGS: 00010286 <4>[ 34.306674] RAX: ffffffff97b7bf60 RBX: 0000000000000004 RCX: 0000000000000000 <4>[ 34.314935] RDX: 0000000000000000 RSI: ffff8e44fac9bf50 RDI: ffffffff98cf84e0 <4>[ 34.323196] RBP: ffffffff990767a7 R08: 0000000000000000 R09: 0000000000000000 <4>[ 34.331456] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 34.339730] R13: ffff95fb41507f10 R14: ffff95fb41507f10 R15: ffff8e448368c000 <4>[ 34.347992] FS: 00007f31d15ad580(0000) GS:ffff8e44fac80000(0000) knlGS:0000000000000000 <4>[ 34.357322] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 34.364027] CR2: 0000000000000000 CR3: 000000010606a006 CR4: 00000000003706e0 <4>[ 34.372287] Call Trace: <4>[ 34.375306] ? __die_body.cold+0x1a/0x1f 000008 # [ 33.153540] R13: ffff95fb413d7f10 R14: ffff95fb413d<4>[ 34.379976] ? no_context+0x177/0x380 <4>[ 34.390565] ? exc_page_fault+0x53/0x170 7f10 R15: ffff8e44836b9000 # [ 33.168012] FS: 00007f2f923565<4>[ 34.395236] ? asm_exc_page_fault+0x1e/0x30 <4>[ 34.406408] ? lkdtm_WARNING_MESSAGE+0x30/0x30 <4>[ 34.411662] ? lkdtm_EXCEPTION+0x5/0x20 <4>[ 34.416236] direct_entry.cold+0x2c/0x38 <4>[ 34.420905] full_proxy_write+0x53/0x80 <4>[ 34.425478] vfs_write+0xe7/0x3b0 80<(0000) GS:ffff8e44fac80000(0000) knlGS:0000000000000000 # [ 4>[ 34.429471] ksys_write+0x68/0xf0 <4>[ 34.439681] do_syscall_64+0x30/0x40 33.183562] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 #<4>[ 34.443963] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 34.456106] RIP: 0033:0x7f31d14c3473 <4>[ 34.460386] 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>[ 34.481654] RSP: 002b:00007fffae3a11b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 34.490401] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f31d14c3473 <4>[ 34.498663] RDX: 000000000000000a RSI: 00007f31d13b7000 RDI: 0000000000000001 <4>[ 34.506924] RBP: 00007f31d13b7000 R08: 00007f31d13b6010 R09: 0000000000000000 <4>[ 34.515185] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 34.523448] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 33.190273] CR2: 00007f2f92160000 CR3: 0000000102a18001 CR4:<4>[ 34.531715] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger cros_usbpd_charger videobuf2_vmalloc videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c cros_usbpd_notify i2c_hid coreboot_table chromeos_pstore cros_kbd_led_backlight <4>[ 34.590672] CR2: 0000000000000000 <4>[ 34.594657] ---[ end trace 666ee677a86ad345 ]--- <4>[ 34.600102] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 34.604771] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 <4>[ 34.626035] RSP: 0018:ffff95fb41347e60 EFLAGS: 00010286 <4>[ 34.632151] RAX: ffffffff97b7bf00 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 34.640408] RDX: 0000000000000000 RSI: ffff8e44fac9bf50 RDI: ffffffff98cf84b0 <4>[ 34.648667] RBP: ffffffff991e8ec8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 34.656928] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 34.665187] R13: ffff95fb41347f10 R14: ffff95fb41347f10 R15: ffff8e4482a20000 <4>[ 34.673448] FS: 00007f31d15ad580(0000) GS:ffff8e44fac80000(0000) knlGS:0000000000000000 <4>[ 34.682777] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 34.689482] CR2: 0000000000000000 CR3: 000000010606a006 CR4: 00000000003706e0 <3>[ 34.697744] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 34.707946] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 748, name: cat <4>[ 34.716594] INFO: lockdep is turned off. <4>[ 34.721261] irq event stamp: 0 <4>[ 34.724958] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 34.732241] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 00000000003706e0 # [ 33.204748] Call Trace: # [ 33.207790<4>[ 34.741670] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 34.757308] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 34.764598] CPU: 1 PID: 748 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 34.773440] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 34.780534] Call Trace: <4>[ 34.783554] dump_stack+0x77/0x9b ] ? __warn+0x80/0x110 # [ 33.217872] ? lkdtm_WARNING+0x13/0<4>[ 34.787546] ___might_sleep.cold+0xa6/0xb6 <4>[ 34.798620] exit_signals+0x1c/0x300 x20 # [ 33.228567] ? report_bug+0x9e/0xc0 # [ 33.238968] <4>[ 34.802902] do_exit+0xc2/0xab0 <4>[ 34.812909] ? ksys_write+0x68/0xf0 <4>[ 34.817092] make_task_dead+0x2f/0x30 <4>[ 34.821469] rewind_stack_and_make_dead+0x17/0x20 <4>[ 34.827013] RIP: 0033:0x7f31d14c3473 <4>[ 34.831293] 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>[ 34.852566] RSP: 002b:00007fffae3a11b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 34.861303] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f31d14c3473 <4>[ 34.869564] RDX: 000000000000000a RSI: 00007f31d13b7000 RDI: 0000000000000001 <4>[ 34.877825] RBP: 00007f31d13b7000 R08: 00007f31d13b6010 R09: 0000000000000000 <4>[ 34.886085] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 34.894345] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ? handle_bug+0x41/0x90 # [ 33.249367] ? exc_invalid_op+0x14/0x70 # [ 33.260158] ? asm_exc_invalid_op+0x12/0x20 # [ 33.271339] ? lkdtm_BUG+0x10/0x10 # [ 33.281664] ? lkdtm_WARNING+0x13/0x20 # [ 33.292357] direct_entry.cold+0x2c/0x38 # [ 33.303245] full_proxy_write+0x53/0x80 # [ 33.314035] vfs_write+0xe7/0x3b0 # [ 33.324244] ksys_write+0x68/0xf0 # [ 33.334451] do_syscall_64+0x30/0x40 # [ 33.344949] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 33.357099] RIP: 0033:0x7f2f9226c473 # [ 33.367597] 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 # [ 33.395091] RSP: 002b:00007ffefdfa6688 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 33.410056] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f2f9226c473 # [ 33.418319] RDX: 0000000000000008 RSI: 00007f2f92160000 RDI: 0000000000000001 # [ 33.432794] RBP: 00007f2f92160000 R08: 00007f2f9215f010 R09: 0000000000000000 # [ 33.441059] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 33.455533] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 33.463802] irq event stamp: 0 # [ 33.473710] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 33.481005] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 33.496662] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 33.512307] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 33.519602] ---[ end trace 666ee677a86ad343 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 33.611429] lkdtm: Performing direct entry WARNING_MESSAGE # [ 33.618480] ------------[ cut here ]------------ # [ 33.623939] Warning message trigger count: 2 # [ 33.629050] WARNING: CPU: 2 PID: 715 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 33.645749] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev uvcvideo cros<6>[ 35.121550] lkdtm: Performing direct entry CORRUPT_LIST_ADD _usbpd_logger cros_usbpd_charger videobuf2_vmalloc videobuf2_mem<6>[ 35.132881] lkdtm: attempting good list addition ops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi cros_ec<6>[ 35.144556] lkdtm: attempting corrupted list addition _dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_comp<3>[ 35.156718] lkdtm: list_add() corruption not detected! ress snd_pcm_dmaengine regmap_i2c cros_usbpd_notify i2c_hid coreboot_table chromeos_pstore cros_kbd_led_backlight # [ 33.704778] CPU: 2 PID: 715 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 33.719847] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 33.733160] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 33.745313] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 d1 7d 0b 03 48 c7 c7 a0 30 18 99 8d 70 01 89 35 c1 7d 0b 03 e8 9a b7 69 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 33.772804] RSP: 0018:ffff95fb41487e60 EFLAGS: 00010286 # [ 33.785148] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 33.799629] RDX: ffff8e44fad2c620 RSI: ffff8e44fad1bf50 RDI: ffff8e44fad1bf50 # [ 33.814111] RBP: ffffffff99182b47 R08: 0000000000000000 R09: 0000000000000000 # [ 33.828590] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 33.843074] R13: ffff95fb41487f10 R14: ffff95fb41487f10 R15: ffff8e4482cda000 # [ 33.857553] FS: 00007f9b03714580(0000) GS:ffff8e44fad00000(0000) knlGS:0000000000000000 # [ 33.873102] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 33.886031] CR2: 00007f9b0351e000 CR3: 0000000102a2e001 CR4: 00000000003706e0 # [ 33.900513] Call Trace: # [ 33.909755] ? __warn+0x80/0x110 # [ 33.919861] ? lkdtm_WARNING_MESSAGE+0x20/0x30 # [<6>[ 35.318468] lkdtm: Performing direct entry CORRUPT_LIST_DEL <6>[ 35.327919] lkdtm: attempting good list removal <6>[ 35.333306] lkdtm: attempting corrupted list removal <3>[ 35.339177] lkdtm: list_del() corruption not detected! 33.931334] ? report_bug+0x9e/0xc0 # [ 33.941735] ? handle_bug+0x41/0x90 # [ 33.952135] ? exc_invalid_op+0x14/0x70 # [ 33.962924] ? asm_exc_invalid_op+0x12/0x20 # [ 33.974107] ? lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 33.979388] direct_entry.cold+0x2c/0x38 # [ 33.990272] full_proxy_write+0x53/0x80 # [ 33.994878] vfs_write+0xe7/0x3b0 # [ 33.998904] ksys_write+0x68/0xf0 # [ 34.002925] do_syscall_64+0x30/0x40 # [ 34.007217] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 34.013183] RIP: 0033:0x7f9b0362a473 # [ 34.017469] 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 # [ 34.038775] RSP: 002b:00007ffdaae8d1c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 34.047530] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f9b0362a473 # [ 34.055795] RDX<6>[ 35.433526] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING <6>[ 35.445796] lkdtm: attempting bad read from page below current stack <0>[ 35.453211] BUG: stack guard page was hit at 000000003a3bb0ee (stack is 00000000dd5ec950..000000003c88bbb0) <4>[ 35.464397] kernel stack overflow (page fault): 0000 [#3] SMP PTI : 0000000000000010 RSI: 00007f9b0351e000 RDI: 0000000000000001 <4>[ 35.471495] CPU: 3 PID: 980 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 35.486551] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 35.493660] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a <4>[ 35.500463] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 40 34 18 99 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 ea de fb ff 48 c7 c7 80 34 18 99 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 d0 de fb ff 0f 1f 44 <4>[ 35.521738] RSP: 0018:ffff95fb418e7e50 EFLAGS: 00010246 <4>[ 35.527863] RAX: 0000000000000038 RBX: ffff95fb418e4000 RCX: 0000000000000000 <4>[ 35.536124] RDX: 0000000000000000 RSI: ffff8e44fad9bf50 RDI: ffffffff99183480 <4>[ 35.544386] RBP: ffffffff99182baa R08: 0000000000000000 R09: 0000000000000000 <4>[ 35.552656] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 <4>[ 35.560915] R13: ffff95fb418e7f10 R14: ffff95fb418e7f10 R15: ffff8e448368b000 <4>[ 35.569176] FS: 00007f5c1293d580(0000) GS:ffff8e44fad80000(0000) knlGS:0000000000000000 <4>[ 35.578505] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 35.585204] CR2: ffff95fb418e3fff CR3: 00000001040ee005 CR4: 00000000003706e0 <4>[ 35.593464] Call Trace: <4>[ 35.596481] <#DF> <4>[ 35.599013] ? __die_body.cold+0x1a/0x1f <4>[ 35.603674] ? die+0x2b/0x50 <4>[ 35.607179] ? handle_stack_overflow+0x3e/0x4d <4>[ 35.612432] ? no_context+0x24d/0x380 <4>[ 35.616808] # [ 34.064060] RBP: 00007f9b0351e000 R08: 00007f9b0351d010 R09<4>[ 35.619434] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger cros_usbpd_charger videobuf2_vmalloc videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c cros_usbpd_notify i2c_hid coreboot_table chromeos_pstore cros_kbd_led_backlight <4>[ 35.678433] ---[ end trace 666ee677a86ad346 ]--- <4>[ 35.683877] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 35.688545] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 <4>[ 35.709818] RSP: 0018:ffff95fb41347e60 EFLAGS: 00010286 <4>[ 35.715943] RAX: ffffffff97b7bf00 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 35.724201] RDX: 0000000000000000 RSI: ffff8e44fac9bf50 RDI: ffffffff98cf84b0 <4>[ 35.732463] RBP: ffffffff991e8ec8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 35.740723] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 35.748982] R13: ffff95fb41347f10 R14: ffff95fb41347f10 R15: ffff8e4482a20000 <4>[ 35.757242] FS: 00007f5c1293d580(0000) GS:ffff8e44fad80000(0000) knlGS:0000000000000000 <4>[ 35.766570] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 35.773277] CR2: ffff95fb418e3fff CR3: 00000001040ee005 CR4: 00000000003706e0 <3>[ 35.781538] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 35.791740] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 980, name: cat <4>[ 35.800390] INFO: lockdep is turned off. <4>[ 35.805057] irq event stamp: 0 <4>[ 35.808755] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 35.816059] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 35.825485] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 35.834912] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 35.842201] CPU: 3 PID: 980 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 35.851043] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 35.858138] Call Trace: <4>[ 35.861157] dump_stack+0x77/0x9b <4>[ 35.865146] ___might_sleep.cold+0xa6/0xb6 <4>[ 35.870001] exit_signals+0x1c/0x300 <4>[ 35.874281] do_exit+0xc2/0xab0 <4>[ 35.878076] ? ksys_write+0x68/0xf0 <4>[ 35.882248] make_task_dead+0x2f/0x30 <4>[ 35.886625] rewind_stack_and_make_dead+0x17/0x20 <4>[ 35.892167] RIP: 0033:0x7f5c12853473 <4>[ 35.896446] 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>[ 35.917722] RSP: 002b:00007ffe0f01dd58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 35.926469] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f5c12853473 <4>[ 35.934729] RDX: 0000000000000019 RSI: 00007f5c12747000 RDI: 0000000000000001 <4>[ 35.942988] RBP: 00007f5c12747000 R08: 00007f5c12746010 R09: 0000000000000000 <4>[ 35.951248] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 35.959509] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 : 0000000000000000 # [ 34.072326] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 34.080591] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 34.088861] irq event stamp: 0 # [ 34.092591] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 34.099887] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 34.109318] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 34.118752] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 34.126046] ---[ end trace 666ee677a86ad344 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 34.205801] lkdtm: Performing direct entry EXCEPTION # [ 34.211948] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 34.226227] #PF: supervisor write access in kernel mode # [ 34.232352] #PF: error_code(0x0002) - not-present page # [ 34.238377] PGD 0 P4D 0 # [ 34.241494] Oops: 0002 [#2] SMP PTI # [ 34.245667] CPU: 1 PID: 748 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 34.254510] Hardware name: Goog<6>[ 36.084788] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING le Rammus/Rammus, BIOS 09/04/2020 # [ 34.267823] RIP: 0010:l<6>[ 36.093289] lkdtm: attempting bad read from page above current stack kdtm_EXCEPTION+0x5/0x20 # [ 34.273075] Code: 48 c7 c7 a0 30 1<0>[ 36.106921] BUG: stack guard page was hit at 00000000be045e8c (stack is 0000000052d06c3c..0000000061772201) <4>[ 36.124287] kernel stack overflow (page fault): 0000 [#4] SMP PTI 8 99 8d 70 01 89 35 c1 7d 0b 03 e8 9a b7 69 00 0f 0b c3 cc cc cc<4>[ 36.131385] CPU: 1 PID: 1014 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 36.146537] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 36.153659] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 0<4>[ 36.160562] Code: de fb ff 0f 1f 44 00 00 53 48 c7 c7 b8 34 18 99 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 b0 de fb ff 48 c7 c7 f8 34 18 99 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 93 de fb ff <4>[ 36.188046] RSP: 0018:ffff95fb41977e50 EFLAGS: 00010246 <4>[ 36.194162] RAX: 0000000000000038 RBX: ffff95fb41974000 RCX: 0000000000000000 <4>[ 36.202415] RDX: 0000000000000000 RSI: ffff8e44fac9bf50 RDI: ffffffff991834f8 <4>[ 36.210676] RBP: ffffffff99182bc3 R08: 0000000000000000 R09: 0000000000000000 <4>[ 36.218937] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a <4>[ 36.227198] R13: ffff95fb41977f10 R14: ffff95fb41977f10 R15: ffff8e44840f7000 <4>[ 36.235458] FS: 00007f1e21b8f580(0000) GS:ffff8e44fac80000(0000) knlGS:0000000000000000 <4>[ 36.244788] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 36.251487] CR2: ffff95fb41978000 CR3: 0000000103214006 CR4: 00000000003706e0 <4>[ 36.259748] Call Trace: <4>[ 36.262765] <#DF> <4>[ 36.265317] ? __die_body.cold+0x1a/0x1f 0 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 # [ 34.3005<4>[ 36.269986] ? die+0x2b/0x50 <4>[ 36.279706] ? handle_stack_overflow+0x3e/0x4d <4>[ 36.284957] ? no_context+0x24d/0x380 <4>[ 36.289324] 61] RSP: 0018:ffff95fb41507e60 EFLAGS: 00010286 # [ 34.306674<4>[ 36.291952] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger cros_usbpd_charger videobuf2_vmalloc videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c cros_usbpd_notify i2c_hid coreboot_table chromeos_pstore cros_kbd_led_backlight <4>[ 36.350913] ---[ end trace 666ee677a86ad347 ]--- ] RAX: ffffffff97b7bf60 RBX: 0000000000000004 RCX: 0000000000000<4>[ 36.356361] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 36.367240] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 <4>[ 36.388514] RSP: 0018:ffff95fb41347e60 EFLAGS: 00010286 <4>[ 36.394647] RAX: ffffffff97b7bf00 RBX: 0000000000000001 RCX: 0000000000000000 000 # [ 34.314935] RDX: 0000000000000000 RSI: ffff8e44fac9bf5<4>[ 36.402916] RDX: 0000000000000000 RSI: ffff8e44fac9bf50 RDI: ffffffff98cf84b0 <4>[ 36.417391] RBP: ffffffff991e8ec8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 36.425659] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 36.433920] R13: ffff95fb41347f10 R14: ffff95fb41347f10 R15: ffff8e4482a20000 <4>[ 36.442171] FS: 00007f1e21b8f580(0000) GS:ffff8e44fac80000(0000) knlGS:0000000000000000 <4>[ 36.451501] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 36.458208] CR2: ffff95fb41978000 CR3: 0000000103214006 CR4: 00000000003706e0 0 RDI: ffffffff98cf84e0 # [ 34.323196] RBP: ffffffff990767a7 R08: 0000000000000000 R09: 0000000000000000 # [ 34.331456] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 34.339730] R13: ffff95fb41507f10 R14: ffff95fb41507f10 R15: ffff8e448368c000 # [ 34.347992] FS: 00007f31d15ad580(0000) GS:ffff8e44fac80000(0000) knlGS:0000000000000000 # [ 34.357322] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 34.364027] CR2: 0000000000000000 CR3: 000000010606a006 CR4: 00000000003706e0 # [ 34.372287] Call Trace: # [ 34.375306] ? __die_body.cold+0x1a/0x1f # [ 34.379976] ? no_context+0x177/0x380 # [ 34.390565] ? exc_page_fault+0x53/0x170 # [ 34.395236] ? asm_exc_page_fault+0x1e/0x30 # [ 34.406408] ? lkdtm_WARNING_MESSAGE+0x30/0x30 # [ 34.411662] ? lkdtm_EXCEPTION+0x5/0x20 # [ 34.416236] direct_entry.cold+0x2c/0x38 # [ 34.420905] full_proxy_write+0x53/0x80 # [ 34.425478] vfs_write+0xe7/0x3b0 # [ 34.429471] ksys_write+0x68/0xf0 # [ 34.4<6>[ 36.565454] lkdtm: Performing direct entry UNSET_SMEP 39681] do_syscall_64+0x30/0x40 # [ 34.443963] entry_SYSCALL<6>[ 36.571948] lkdtm: trying to clear SMEP normally _64_after_hwframe+0x62/0xc7 # [ 34.456106] RIP: 0033:0x7f31d1<4>[ 36.583612] ------------[ cut here ]------------ <4>[ 36.595273] pinned CR4 bits changed: 0x100000!? 4c3473 # [ 34.460386] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 <4>[ 36.600648] WARNING: CPU: 1 PID: 1051 at arch/x86/kernel/cpu/common.c:397 native_write_cr4+0x45/0x60 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c<4>[ 36.617333] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger cros_usbpd_charger videobuf2_vmalloc videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c cros_usbpd_notify i2c_hid coreboot_table chromeos_pstore cros_kbd_led_backlight 0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f <4>[ 36.676298] CPU: 1 PID: 1051 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 36.691456] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 40 00 48 83 ec 28 48 89 54 24 18 # [ 34.481654] RSP: 002b:000<4>[ 36.698555] RIP: 0010:native_write_cr4+0x45/0x60 <4>[ 36.710212] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d b8 5e 66 02 00 75 f2 48 c7 c7 48 08 08 99 c6 05 a8 5e 66 02 01 e8 75 55 15 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 07fffae3a11b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ <4>[ 36.731490] RSP: 0018:ffff95fb419cfe48 EFLAGS: 00010286 34.490401] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 000<4>[ 36.743836] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 07f31d14c3473 # [ 34.498663] RDX: 000000000000000a RSI: 00007<4>[ 36.758314] RDX: ffff8e44facac620 RSI: ffff8e44fac9bf50 RDI: ffff8e44fac9bf50 f31d13b7000 RDI: 0000000000000001 # [ 34.506924] RBP: 00007f3<4>[ 36.772795] RBP: ffffffff99182bdd R08: 0000000000000000 R09: 0000000000000000 1d13b7000 R08: 00007f31d13b6010 R09: 0000000000000000 # [ 34.<4>[ 36.787272] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b 515185] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000<4>[ 36.801751] R13: ffff95fb419cff10 R14: ffff95fb419cff10 R15: ffff8e4482d72000 000000001 # [ 34.523448] R13: 0000000000000001 R14: 000000000<4>[ 36.816237] FS: 00007f10beafe580(0000) GS:ffff8e44fac80000(0000) knlGS:0000000000000000 0020000 R15: 0000000000020000 # [ 34.531715] Modules linked i<4>[ 36.831782] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 n: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sens<4>[ 36.844736] CR2: 00007f10be908000 CR3: 0000000103e20003 CR4: 00000000003706e0 ors_core industrialio_triggered_buffer kfifo_buf industrialio cr<4>[ 36.859223] Call Trace: os_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev uvc<4>[ 36.868463] ? __warn+0x80/0x110 video cros_usbpd_logger cros_usbpd_charger videobuf2_vmalloc vid<4>[ 36.878568] ? native_write_cr4+0x45/0x60 eobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gs<4>[ 36.889555] ? report_bug+0x9e/0xc0 mi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_cor<4>[ 36.899955] ? handle_bug+0x41/0x90 e snd_compress snd_pcm_dmaengine regmap_i2c cros_usbpd_notify i2<4>[ 36.910352] ? exc_invalid_op+0x14/0x70 c_hid coreboot_table chromeos_pstore cros_kbd_led_backlight # [<4>[ 36.921142] ? asm_exc_invalid_op+0x12/0x20 34.590672] CR2: 0000000000000000 # [ 34.594657] ---[ end t<4>[ 36.932323] ? native_write_cr4+0x45/0x60 race 666ee677a86ad345 ]--- # [ 34.600102] RIP: 0010:lkdtm_BUG<4>[ 36.943304] ? native_write_cr4+0x45/0x60 +0x5/0x10 # [ 34.604771] Code: 89 ff e8 5e d4 79 ff 48 c7 c0 <4>[ 36.954288] lkdtm_UNSET_SMEP.cold+0x1d/0x103 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f<4>[ 36.965663] direct_entry.cold+0x2c/0x38 4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 <4>[ 36.976551] full_proxy_write+0x53/0x80 00 0f 1f 44 00 00 83 05 f0 7d 0b 03 # [ 34.626035] RSP: 0018:<4>[ 36.987339] vfs_write+0xe7/0x3b0 ffff95fb41347e60 EFLAGS: 00010286 # [ 34.632151] RAX: fffffff<4>[ 36.997545] ksys_write+0x68/0xf0 f97b7bf00 RBX: 0000000000000001 RCX: 0000000000000000 # [ 34.<4>[ 37.007752] do_syscall_64+0x30/0x40 640408] RDX: 0000000000000000 RSI: ffff8e44fac9bf50 RDI: fffffff<4>[ 37.018249] entry_SYSCALL_64_after_hwframe+0x62/0xc7 f98cf84b0 # [ 34.648667] RBP: ffffffff991e8ec8 R08: 000000000<4>[ 37.030401] RIP: 0033:0x7f10bea14473 0000001 R09: 0000000000000001 # [ 34.656928] R10: 00000000fff<4>[ 37.040899] 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 fe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 34.6651<4>[ 37.068392] RSP: 002b:00007ffffc79a868 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 87] R13: ffff95fb41347f10 R14: ffff95fb41347f10 R15: ffff8e4482a<4>[ 37.083360] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f10bea14473 20000 # [ 34.673448] FS: 00007f31d15ad580(0000) GS:ffff8e44f<4>[ 37.097839] RDX: 000000000000000b RSI: 00007f10be908000 RDI: 0000000000000001 ac80000(0000) knlGS:0000000000000000 # [ 34.682777] CS: 0010<4>[ 37.112317] RBP: 00007f10be908000 R08: 00007f10be907010 R09: 0000000000000000 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 34.689482] CR2: <4>[ 37.126797] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 0000000000000000 CR3: 000000010606a006 CR4: 00000000003706e0 # <4>[ 37.141275] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 34.697744] BUG: sleeping function called from invalid contex<4>[ 37.155757] irq event stamp: 0 t at include/linux/percpu-rwsem.h:49 # [ 34.707946] in_atomic<4>[ 37.165668] hardirqs last enabled at (0): [<0000000000000000>] 0x0 (): 0, irqs_disabled(): 1, non_block: 0, pid: 748, name: cat # <4>[ 37.179177] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 [ 34.716594] INFO: lockdep is turned off. # [ 34.721261] ir<4>[ 37.194820] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 q event stamp: 0 # [ 34.724958] hardirqs last enabled at (0)<4>[ 37.210465] softirqs last disabled at (0): [<0000000000000000>] 0x0 : [<0000000000000000>] 0x0 # [ 34.732241] hardirqs last disab<4>[ 37.223971] ---[ end trace 666ee677a86ad348 ]--- led at (0): [] copy_process+0x65c/0x20e0 # [ <6>[ 37.235636] lkdtm: ok: SMEP did not get cleared 34.741670] softirqs last enabled at (0): []<6>[ 37.247202] lkdtm: trying to clear SMEP with call gadget copy_process+0x65c/0x20e0 # [ 34.757308] softirqs last disab<6>[ 37.259642] lkdtm: ok: SMEP removal was reverted led at (0): [<0000000000000000>] 0x0 # [ 34.764598] CPU: 1 PID: 748 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 34.773440] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 34.780534] Call Trace: # [ 34.783554] dump_stack+0x77/0x9b # [ 34.787546] ___might_sleep.cold+0xa6/0xb6 # [ 34.798620] exit_signals+0x1c/0x300 # [ 34.802902] do_exit+0xc2/0xab0 # [ 34.812909] ? ksys_write+0x68/0xf0 # [ 34.817092] make_task_dead+0x2f/0x30 # [ 34.821469] rewind_stack_and_make_dead+0x17/0x20 # [ 34.827013] RIP: 0033:0x7f31d14c3473 # [ 34.831293] 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 # [ 34.852566] RSP: 002b:00007fffae3a11b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 34.861303] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f31d14c3473 # [ 34.869564] RDX: 000000000000000a RSI: 0000<6>[ 37.367695] lkdtm: Performing direct entry DOUBLE_FAULT 7f31d13b7000 RDI: 0000000000000001 # [ 34.877825] RBP: 00007f<3>[ 37.376897] lkdtm: XFAIL: this test is ia32-only 31d13b7000 R08: 00007f31d13b6010 R09: 0000000000000000 # [ 34.886085] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 34.894345] 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 # [ 35.121550] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 35.132881] lkdtm: attempting good list addition # [ 35.<6>[ 37.484645] lkdtm: Performing direct entry CORRUPT_PAC <3>[ 37.494018] lkdtm: XFAIL: this test is arm64-only 144556] lkdtm: attempting corrupted list addition # [ 35.156718] lkdtm: list_add() corruption not detected! # CORRUPT_LIST_ADD: missing 'list_add corruption': [FAIL] not ok 10 selftests: lkdtm: CORRUPT_LIST_ADD.sh # exit=1 # selftests: lkdtm: CORRUPT_LIST_DEL.sh # [ 35.318468] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 35.327919] lkdtm: attempting good list removal # [ 35.333306] lkdtm: attempting corrupted list removal # [ 35.339177] lkdtm: list_del() corruption not detected! # CORRUPT_LIST_DEL: missing 'list_del corruption': [FAIL] not ok 11 selftests: lkdtm: CORRUPT_LIST_DEL.sh # exit=1 # selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # Segmentation fault # [ 35.433526] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 35.445796] lkdtm: attempting bad read from page below current stack # [ 35.453211] BUG: stack guard page was hit at 000000003a3bb0ee (stack is 00000000dd5ec950..000000003c88bbb0) # [ 35.464397] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 35.471495] CPU: 3 PID: 980 Comm: cat Tainted: G <6>[ 37.600438] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE <3>[ 37.612745] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS D W 5.10.207-cip41 #1 # [ 35.486551] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 35.493660] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 35.500463] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 40 34 18 99 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 ea de fb ff 48 c7 c7 80 34 18 99 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 d0 de fb ff 0f 1f 44 # [ 35.521738] RSP: 0018:ffff95fb418e7e50 EFLAGS: 00010246 # [ 35.527863] RAX: 0000000000000038 RBX: ffff95fb418e4000 RCX: 0000000000000000 # [ 35.536124] RDX: 0000000000000000 RSI: ffff8e44fad9bf50 RDI: ffffffff99183480 # [ 35.544386] RBP: ffffffff99182baa R08: 0000000000000000 R09: 0000000000000000 # [ 35.552656] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 35.560915] R13: ffff95fb418e7f10 R14: ffff95fb418e7f10 R15: ffff8e448368b000 # [ 35.569176] FS: 00007f5c1293d580(0000) GS:ffff8e44fad80000(0000) knlGS:0000000000000000 # [ 35.578505] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 35.585204] CR2: ffff95fb418e3fff CR3: 00000001040ee005 CR4: 00000000003706e0 # [ 35.593464] Call Trace: # [ 35.596481] <#DF> # [ 35.599013] ? __die_body.cold+0x1a/0x1f # [ 35.603674] ? die+0x2b/0x50 # [ 35.607179] ? handle_stack_overflow+0x3e/0x4d # [ 35.612432] ? no_context+0x24d/0x380 # [ 35.616808] # [ 35.619434] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industr<6>[ 37.766077] lkdtm: Performing direct entry READ_AFTER_FREE ialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_cha<6>[ 37.776306] lkdtm: Value in memory before free: 12345678 rdev uvcvideo cros_usbpd_logger cros_usbpd_charger videobuf2_vma<6>[ 37.788766] lkdtm: Attempting bad read from freed memory lloc videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2<6>[ 37.801185] lkdtm: Memory was not poisoned _v4l2 gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c cros_usbpd_notify i2c_hid coreboot_table chromeos_pstore cros_kbd_led_backlight # [ 35.678433] ---[ end trace 666ee677a86ad346 ]--- # [ 35.683877] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 35.688545] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 # [ 35.709818] RSP: 0018:ffff95fb41347e60 EFLAGS: 00010286 # [ 35.715943] RAX: ffffffff97b7bf00 RBX: 0000000000000001 RCX: 0000000000000000 # [ 35.724201] RDX: 0000000000000000 RSI: ffff8e44fac9bf50 RDI: ffffffff98cf84b0 # [ 35.732463] RBP: ffffffff991e8ec8 R08: 0000000000000001 R09: 0000000000000001 # [ 35.740723] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 35.748982] R13: ffff95fb41347f10 R14: ffff95fb41347f10 R15: ffff8e4482a20000 # [ 35.757242] FS: 00007f5c1293d580(0000) GS:ffff8e44fad80000(0000) knlGS:0000000000000000 # [ 35.766570] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 35.773277] CR2: ffff95fb418e3fff CR3: 00000001040ee005 CR4: 00000000003706e0 # [ 35.781538] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 35.791740] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 980, name: cat # [ 35.800390] INFO: lockdep is <6>[ 37.952461] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE turned off. # [ 35.805057] irq event stamp: 0 # [ 35.80875<6>[ 37.962217] lkdtm: Value in memory before free: 12345678 5] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ <6>[ 37.974654] lkdtm: Attempting to read from freed memory 35.816059] hardirqs last disabled at (0): []<6>[ 37.986996] lkdtm: Buddy page was not poisoned copy_process+0x65c/0x20e0 # [ 35.825485] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 35.834912] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 35.842201] CPU: 3 PID: 980 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 35.851043] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 35.858138] Call Trace: # [ 35.861157] dump_stack+0x77/0x9b # [ 35.865146] ___might_sleep.cold+0xa6/0xb6 # [ 35.870001] exit_signals+0x1c/0x300 # [ 35.874281] do_exit+0xc2/0xab0 # [ 35.878076] ? ksys_write+0x68/0xf0 # [ 35.882248] make_task_dead+0x2f/0x30 # [ 35.886625] rewind_stack_and_make_dead+0x17/0x20 # [ 35.892167] RIP: 0033:0x7f5c12853473 # [ 35.896446] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 35.917722] RSP: 002b:00007ffe0f01dd58 EFLAGS: 00000246 <6>[ 38.093618] lkdtm: Performing direct entry SLAB_FREE_DOUBLE ORIG_RAX: 0000000000000001 # [ 35.926469] RAX: ffffffffffffff<6>[ 38.104427] lkdtm: Attempting double slab free ... da RBX: 0000000000000019 RCX: 00007f5c12853473 # [ 35.934729] RDX: 0000000000000019 RSI: 00007f5c12747000 RDI: 0000000000000001 # [ 35.942988] RBP: 00007f5c12747000 R08: 00007f5c12746010 R09: 0000000000000000 # [ 35.951248] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 35.959509] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACK_GUARD_PAGE_LEADING: saw 'call trace:': ok ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # Segmentation fault # [ 36.084788] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 36.093289] lkdtm: attempting bad read from page above current stack # [ 36.106921] BUG: stack guard page was hit at 00000000be045e8c (stack is 0000000052d06c3c..0000000061772201) # [ 36.124287] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 36.131385] CPU: 1 PID: 1014 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 36.146537] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 36.153659] RIP: 0010:lk<6>[ 38.215706] lkdtm: Performing direct entry SLAB_FREE_CROSS <6>[ 38.228360] lkdtm: Attempting cross-cache slab free ... dtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 36.160562] Code: de fb ff 0f 1f 44 00 00 53 48 c7 c7 b8 34 18 99 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 b0 de fb ff 48 c7 c7 f8 34 18 99 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 93 de fb ff # [ 36.188046] RSP: 0018:ffff95fb41977e50 EFLAGS: 00010246 # [ 36.194162] RAX: 0000000000000038 RBX: ffff95fb41974000 RCX: 0000000000000000 # [ 36.202415] RDX: 0000000000000000 RSI: ffff8e44fac9bf50 RDI: ffffffff991834f8 # [ 36.210676] RBP: ffffffff99182bc3 R08: 0000000000000000 R09: 0000000000000000 # [ 36.218937] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 36.227198] R13: ffff95fb41977f10 R14: ffff95fb41977f10 R15: ffff8e44840f7000 # [ 36.235458] FS: 00007f1e21b8f580(0000) GS:ffff8e44fac80000(0000) knlGS:0000000000000000 # [ 36.244788] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080<6>[ 38.318595] lkdtm: Performing direct entry SLAB_FREE_PAGE <6>[ 38.327880] lkdtm: Attempting non-Slab slab free ... 050033 # [ 36.251487] CR2: ffff95fb41978000 CR3: 0000000103214006 CR4: 00000000003706e0 # [ 36.259748] Call Trace: # [ 36.262765] <#DF> # [ 36.265317] ? __die_body.cold+0x1a/0x1f # [ 36.269986] ? die+0x2b/0x50 # [ 36.279706] ? handle_stack_overflow+0x3e/0x4d # [ 36.284957] ? no_context+0x24d/0x380 # [ 36.289324] # [ 36.291952] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger cros_usbpd_charger videobuf2_vmalloc videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c cros_usbpd_notify i2c_hid coreboot_table chromeos_pstore cros_kbd_led_backlight # [ 36.350913] ---[ end trace 666ee677a86ad347 ]--- # [ 36.356361] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 36.367240] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 # [ 36.388514] RSP: 0018:ffff95fb41347e60 EFLAGS: 00010286 # [ 36.394647] RAX: ffffffff97b7bf00 RBX: 0000000000000001 RCX: 0000000000000000 # [ 36.402916] RDX: 0000000000000000 RSI: ffff8e44fac9bf50 RDI: ffffffff98cf84b0 # [ 36.417391] RBP: ffffffff991e8ec8 R08: 0000000000000001 R09: 0000000000000001 # [ 36.425659] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 36.433920] R13: ffff95fb41347f10 R14: ffff95fb41347f10 R15: ffff8e4482a20000 # [ 36.442171] FS: 00007f1e21b8f580(0000) GS:ffff8e44fac80000(0000) knlGS:0000000000000000 # [ 36.451501] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 36.458208] CR2: ffff95fb41978000 CR3: 0000000103214006 CR4: 00000000003706e0 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 36.565454] lkdtm: Perf<6>[ 38.533569] lkdtm: Performing direct entry EXEC_DATA <6>[ 38.544711] lkdtm: attempting ok execution at ffffffff97b7c2d0 <6>[ 38.551551] lkdtm: attempting bad execution at ffffffff9ac33d40 orming direct entry UNSET_SMEP # [ 36.571948] lkdtm: trying t<2>[ 38.558462] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 38.573325] BUG: unable to handle page fault for address: ffffffff9ac33d40 <1>[ 38.581295] #PF: supervisor instruction fetch in kernel mode <1>[ 38.587904] #PF: error_code(0x0011) - permissions violation <6>[ 38.594418] PGD 160629067 P4D 160629067 PUD 16062a063 PMD 8000000161e000e3 <4>[ 38.602487] Oops: 0011 [#5] SMP PTI <4>[ 38.606669] CPU: 3 PID: 1574 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 38.615610] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 38.622711] RIP: 0010:data_area+0x0/0x40 <4>[ 38.627378] Code: ff ff 00 00 cd 84 44 8e ff ff 00 9f aa 84 44 8e 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>[ 38.648654] RSP: 0018:ffff95fb42267e48 EFLAGS: 00010246 <4>[ 38.654782] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 38.663043] RDX: 0000000000000000 RSI: ffff8e44fad9bf50 RDI: ffff8e44fad9bf50 <4>[ 38.671303] RBP: ffffffff9ac33d40 R08: 0000000000000000 R09: 0000000000000000 <4>[ 38.679566] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 38.687825] R13: ffff95fb42267f10 R14: ffff95fb42267f10 R15: ffff8e4484964000 <4>[ 38.696085] FS: 00007fc74756e580(0000) GS:ffff8e44fad80000(0000) knlGS:0000000000000000 <4>[ 38.705415] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 38.712114] CR2: ffffffff9ac33d40 CR3: 0000000104904002 CR4: 00000000003706e0 <4>[ 38.720376] Call Trace: <4>[ 38.723398] ? __die_body.cold+0x1a/0x1f <4>[ 38.728067] ? no_context+0x177/0x380 <4>[ 38.732447] ? exc_page_fault+0xd7/0x170 <4>[ 38.737117] ? asm_exc_page_fault+0x1e/0x30 <4>[ 38.742082] ? execute_location+0x45/0x56 <4>[ 38.746847] ? direct_entry.cold+0x2c/0x38 <4>[ 38.751710] ? full_proxy_write+0x53/0x80 <4>[ 38.756477] ? vfs_write+0xe7/0x3b0 <4>[ 38.760660] ? ksys_write+0x68/0xf0 <4>[ 38.764843] ? do_syscall_64+0x30/0x40 <4>[ 38.769318] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 o clear SMEP normally # [ 36.583612] ------------[ cut here ]<4>[ 38.775437] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger cros_usbpd_charger videobuf2_vmalloc videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c cros_usbpd_notify i2c_hid coreboot_table chromeos_pstore cros_kbd_led_backlight <4>[ 38.834432] CR2: ffffffff9ac33d40 <4>[ 38.838421] ---[ end trace 666ee677a86ad349 ]--- <4>[ 38.843866] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 38.848535] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 <4>[ 38.869803] RSP: 0018:ffff95fb41347e60 EFLAGS: 00010286 <4>[ 38.875928] RAX: ffffffff97b7bf00 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 38.884188] RDX: 0000000000000000 RSI: ffff8e44fac9bf50 RDI: ffffffff98cf84b0 <4>[ 38.892449] RBP: ffffffff991e8ec8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 38.900711] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 38.908971] R13: ffff95fb41347f10 R14: ffff95fb41347f10 R15: ffff8e4482a20000 <4>[ 38.917234] FS: 00007fc74756e580(0000) GS:ffff8e44fad80000(0000) knlGS:0000000000000000 <4>[ 38.926564] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 38.933272] CR2: ffffffff9ac33d40 CR3: 0000000104904002 CR4: 00000000003706e0 <3>[ 38.941535] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 38.951729] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1574, name: cat <4>[ 38.960476] INFO: lockdep is turned off. <4>[ 38.965143] irq event stamp: 0 <4>[ 38.968839] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 38.976131] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 38.985556] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 38.994983] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 39.002272] CPU: 3 PID: 1574 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 39.011212] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 39.018307] Call Trace: <4>[ 39.021326] dump_stack+0x77/0x9b <4>[ 39.025315] ___might_sleep.cold+0xa6/0xb6 <4>[ 39.030170] exit_signals+0x1c/0x300 <4>[ 39.034451] do_exit+0xc2/0xab0 <4>[ 39.038246] ? ksys_write+0x68/0xf0 <4>[ 39.042429] make_task_dead+0x2f/0x30 <4>[ 39.046800] rewind_stack_and_make_dead+0x17/0x20 <4>[ 39.052340] RIP: 0033:0x7fc747484473 <4>[ 39.056618] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 39.077893] RSP: 002b:00007ffcab8e93a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 39.086655] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fc747484473 <4>[ 39.094914] RDX: 000000000000000a RSI: 00007fc747378000 RDI: 0000000000000001 <4>[ 39.103172] RBP: 00007fc747378000 R08: 00007fc747377010 R09: 0000000000000000 <4>[ 39.111432] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 39.119708] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ------------ # [ 36.595273] pinned CR4 bits changed: 0x100000!? # [ 36.600648] WARNING: CPU: 1 PID: 1051 at arch/x86/kernel/cpu/common.c:397 native_write_cr4+0x45/0x60 # [ 36.617333] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger cros_usbpd_charger videobuf2_vmalloc videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c cros_usbpd_notify i2c_hid coreboot_table chromeos_pstore cros_kbd_led_backlight # [ 36.676298] CPU: 1 PID: 1051 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 36.691456] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 36.698555] RIP: 0010:native_write_cr4+0x45/0x60 # [ 36.710212] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d b8 5e 66 02 00 75 f2 48 c7 c7 48 08 08 99 c6 05 a8 5e 66 02 01 e8 75 55 15 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 <6>[ 39.234836] lkdtm: Performing direct entry EXEC_STACK <6>[ 39.245831] lkdtm: attempting ok execution at ffffffff97b7c2d0 <6>[ 39.252673] lkdtm: attempting bad execution at ffff95fb422d7e18 <2>[ 39.259600] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 39.268260] BUG: unable to handle page fault for address: ffff95fb422d7e18 # [ 36.731490] RSP: 0018:ffff95fb419cfe48 EFLAGS: 00010286 #<1>[ 39.276232] #PF: supervisor instruction fetch in kernel mode <1>[ 39.289055] #PF: error_code(0x0011) - permissions violation [ 36.743836] RAX: 0000000000000000 RBX: 00000000002706e0 RCX:<6>[ 39.295569] PGD 100000067 P4D 100000067 PUD 100248067 PMD 102bf7067 PTE 80000001040ea063 <4>[ 39.311119] Oops: 0011 [#6] SMP PTI <4>[ 39.315303] CPU: 2 PID: 1611 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 39.324245] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 39.331341] RIP: 0010:0xffff95fb422d7e18 <4>[ 39.336009] Code: 00 00 18 7e 2d 42 fb 95 ff ff 30 f6 25 98 ff ff ff ff 20 00 00 00 00 00 00 00 06 2d 18 99 ff ff ff ff 5f f7 25 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>[ 39.357281] RSP: 0018:ffff95fb422d7df8 EFLAGS: 00010246 <4>[ 39.363406] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 39.371664] RDX: 0000000000000000 RSI: ffff8e44fad1bf50 RDI: ffff8e44fad1bf50 <4>[ 39.379926] RBP: ffff95fb422d7e18 R08: 0000000000000000 R09: 0000000000000000 <4>[ 39.388185] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b <4>[ 39.396446] R13: ffff95fb422d7f10 R14: ffff95fb422d7f10 R15: ffff8e4482fde000 <4>[ 39.404711] FS: 00007fc11d30b580(0000) GS:ffff8e44fad00000(0000) knlGS:0000000000000000 <4>[ 39.414039] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 39.420745] CR2: ffff95fb422d7e18 CR3: 0000000102e88003 CR4: 00000000003706e0 <4>[ 39.429003] Call Trace: <4>[ 39.432023] ? __die_body.cold+0x1a/0x1f <4>[ 39.436712] ? no_context+0x177/0x380 <4>[ 39.441091] ? exc_page_fault+0xd7/0x170 <4>[ 39.445759] ? asm_exc_page_fault+0x1e/0x30 <4>[ 39.450722] ? execute_location+0x45/0x56 <4>[ 39.455486] ? lkdtm_EXEC_STACK+0x26/0x44 <4>[ 39.460254] ? direct_entry.cold+0x2c/0x38 <4>[ 39.465117] ? full_proxy_write+0x53/0x80 <4>[ 39.469884] ? vfs_write+0xe7/0x3b0 <4>[ 39.474066] ? ksys_write+0x68/0xf0 <4>[ 39.478249] ? do_syscall_64+0x30/0x40 <4>[ 39.482722] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 0000000000000000 # [ 36.758314] RDX: ffff8e44facac620 RSI: f<4>[ 39.488848] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger cros_usbpd_charger videobuf2_vmalloc videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c cros_usbpd_notify i2c_hid coreboot_table chromeos_pstore cros_kbd_led_backlight <4>[ 39.547837] CR2: ffff95fb422d7e18 <4>[ 39.551817] ---[ end trace 666ee677a86ad34a ]--- <4>[ 39.557254] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 39.561922] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 <4>[ 39.583194] RSP: 0018:ffff95fb41347e60 EFLAGS: 00010286 <4>[ 39.589320] RAX: ffffffff97b7bf00 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 39.597581] RDX: 0000000000000000 RSI: ffff8e44fac9bf50 RDI: ffffffff98cf84b0 <4>[ 39.605840] RBP: ffffffff991e8ec8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 39.614101] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 39.622360] R13: ffff95fb41347f10 R14: ffff95fb41347f10 R15: ffff8e4482a20000 <4>[ 39.630619] FS: 00007fc11d30b580(0000) GS:ffff8e44fad00000(0000) knlGS:0000000000000000 <4>[ 39.639947] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 39.646656] CR2: ffff95fb422d7e18 CR3: 0000000102e88003 CR4: 00000000003706e0 fff8e44fac9bf50 RDI: ffff8e44fac9bf50 # [ 36.772795] RBP: ffffffff99182bdd R08: 0000000000000000 R09: 0000000000000000 # [ 36.787272] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 36.801751] R13: ffff95fb419cff10 R14: ffff95fb419cff10 R15: ffff8e4482d72000 # [ 36.816237] FS: 00007f10beafe580(0000) GS:ffff8e44fac80000(0000) knlGS:0000000000000000 # [ 36.831782] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 36.844736] CR2: 00007f10be908000 CR3: 0000000103e20003 CR4: 00000000003706e0 # [ 36.859223] Call Trace: # [ 36.868463] ? __warn+0x80/0x110 # [ 36.878568] ? native_write_cr4+0x45/0x60 # [ 36.889555] ? report_bug+0x9e/0xc0 # [ 36.899955] ? handle_bug+0x41/0x90 # [ 36.910352] ? exc_invalid_op+0x14/0x70 # [ 36.921142] ? asm_exc_invalid_op+0x12/0x20 # [ 36.932323] ? native_write_cr4+0x45/0x60 # [ 36.943304] ? native_write_cr4+0x45/0x60 # [ 36.954288] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 36.965663] direct_entry.cold+0x2c/<6>[ 39.753863] lkdtm: Performing direct entry EXEC_KMALLOC <6>[ 39.760536] lkdtm: attempting ok execution at ffffffff97b7c2d0 <6>[ 39.767378] lkdtm: attempting bad execution at ffff8e4484907b80 <2>[ 39.774297] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 39.782953] BUG: unable to handle page fault for address: ffff8e4484907b80 <1>[ 39.790926] #PF: supervisor instruction fetch in kernel mode <1>[ 39.797536] #PF: error_code(0x0011) - permissions violation 0x<38 # [ 36.976551] full_proxy_write+0x53/0x80 # [ 36.9876>[ 39.804050] PGD 162001067 P4D 162001067 PUD 100878063 PMD 102a45063 PTE 8000000104907063 <4>[ 39.819601] Oops: 0011 [#7] SMP PTI <4>[ 39.823776] CPU: 2 PID: 1648 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 39.832716] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 39.839812] RIP: 0010:0xffff8e4484907b80 <4>[ 39.844481] Code: 00 00 02 00 00 00 00 00 00 00 e0 af 02 86 44 8e ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 eb f2 0f 97 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>[ 39.865746] RSP: 0018:ffff95fb42357e38 EFLAGS: 00010246 <4>[ 39.871860] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 39.880119] RDX: 0000000000000000 RSI: ffff8e44fad1bf50 RDI: ffff8e44fad1bf50 <4>[ 39.888379] RBP: ffff8e4484907b80 R08: 0000000000000000 R09: 0000000000000000 <4>[ 39.896654] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d <4>[ 39.904914] R13: ffff95fb42357f10 R14: ffff95fb42357f10 R15: ffff8e448316d000 <4>[ 39.913174] FS: 00007f6881d6f580(0000) GS:ffff8e44fad00000(0000) knlGS:0000000000000000 <4>[ 39.922502] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 39.929210] CR2: ffff8e4484907b80 CR3: 0000000104974006 CR4: 00000000003706e0 <4>[ 39.937463] Call Trace: <4>[ 39.940485] ? __die_body.cold+0x1a/0x1f <4>[ 39.945155] ? no_context+0x177/0x380 <4>[ 39.949532] ? exc_page_fault+0xd7/0x170 <4>[ 39.954201] ? asm_exc_page_fault+0x1e/0x30 <4>[ 39.959165] ? execute_location+0x45/0x56 <4>[ 39.963930] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 <4>[ 39.968879] ? direct_entry.cold+0x2c/0x38 <4>[ 39.973743] ? full_proxy_write+0x53/0x80 <4>[ 39.978509] ? vfs_write+0xe7/0x3b0 <4>[ 39.982684] ? ksys_write+0x68/0xf0 <4>[ 39.986868] ? do_syscall_64+0x30/0x40 <4>[ 39.991341] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 39.997467] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger cros_usbpd_charger videobuf2_vmalloc videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c cros_usbpd_notify i2c_hid coreboot_table chromeos_pstore cros_kbd_led_backlight 339] vfs_write+0xe7/0x3b0 # [ 36.997545] ksys_write+0x68/0x<4>[ 40.050245] CR2: ffff8e4484907b80 <4>[ 40.060444] ---[ end trace 666ee677a86ad34b ]--- <4>[ 40.065888] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 40.070555] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 <4>[ 40.091820] RSP: 0018:ffff95fb41347e60 EFLAGS: 00010286 <4>[ 40.097945] RAX: ffffffff97b7bf00 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 40.106205] RDX: 0000000000000000 RSI: ffff8e44fac9bf50 RDI: ffffffff98cf84b0 <4>[ 40.114463] RBP: ffffffff991e8ec8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 40.122722] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 40.130980] R13: ffff95fb41347f10 R14: ffff95fb41347f10 R15: ffff8e4482a20000 <4>[ 40.139240] FS: 00007f6881d6f580(0000) GS:ffff8e44fad00000(0000) knlGS:0000000000000000 <4>[ 40.148567] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 40.155271] CR2: ffff8e4484907b80 CR3: 0000000104974006 CR4: 00000000003706e0 <3>[ 40.163531] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 40.173733] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1648, name: cat <4>[ 40.182479] INFO: lockdep is turned off. <4>[ 40.187147] irq event stamp: 0 <4>[ 40.190842] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 40.198133] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 40.207557] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 40.216979] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 40.224269] CPU: 2 PID: 1648 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 40.233200] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 40.240295] Call Trace: <4>[ 40.243315] dump_stack+0x77/0x9b <4>[ 40.247305] ___might_sleep.cold+0xa6/0xb6 <4>[ 40.252167] exit_signals+0x1c/0x300 <4>[ 40.256447] do_exit+0xc2/0xab0 <4>[ 40.260242] ? ksys_write+0x68/0xf0 <4>[ 40.264426] make_task_dead+0x2f/0x30 <4>[ 40.268802] rewind_stack_and_make_dead+0x17/0x20 <4>[ 40.274343] RIP: 0033:0x7f6881c85473 <4>[ 40.278622] 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>[ 40.299895] RSP: 002b:00007fff607f6f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 40.308654] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f6881c85473 <4>[ 40.316915] RDX: 000000000000000d RSI: 00007f6881b79000 RDI: 0000000000000001 <4>[ 40.325174] RBP: 00007f6881b79000 R08: 00007f6881b78010 R09: 0000000000000000 <4>[ 40.333434] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 40.341707] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 f0 # [ 37.007752] do_syscall_64+0x30/0x40 # [ 37.018249] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 37.030401] RIP: 0033:0x7f10bea14473 # [ 37.040899] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 37.068392] RSP: 002b:00007ffffc79a868 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 37.083360] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f10bea14473 # [ 37.097839] RDX: 000000000000000b RSI: 00007f10be908000 RDI: 0000000000000001 # [ 37.112317] RBP: 00007f10be908000 R08: 00007f10be907010 R09: 0000000000000000 # [ 37.126797] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 37.141275] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 37.155757] irq event stamp: 0 # [ 37.165668] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 37.179177] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 37.194820] softirqs last enabled at (0): []<6>[ 40.456410] lkdtm: Performing direct entry EXEC_VMALLOC <6>[ 40.468033] lkdtm: attempting ok execution at ffffffff97b7c2d0 copy_process+0x65c/0x20e0 # [ 37.210465] softirqs last disab<6>[ 40.474855] lkdtm: attempting bad execution at ffff95fb40391000 <2>[ 40.487988] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) led at (0): [<0000000000000000>] 0x0 # [ 37.223971] ---[ end <1>[ 40.496645] BUG: unable to handle page fault for address: ffff95fb40391000 <1>[ 40.510828] #PF: supervisor instruction fetch in kernel mode <1>[ 40.517438] #PF: error_code(0x0011) - permissions violation <6>[ 40.523950] PGD 100000067 P4D 100000067 PUD 100248067 PMD 1009f5067 PTE 800000010316e063 <4>[ 40.533281] Oops: 0011 [#8] SMP PTI <4>[ 40.537455] CPU: 3 PID: 1685 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 40.546396] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 40.553494] RIP: 0010:0xffff95fb40391000 <4>[ 40.558154] Code: Unable to access opcode bytes at RIP 0xffff95fb40390fd6. <4>[ 40.566114] RSP: 0018:ffff95fb423ffe38 EFLAGS: 00010246 <4>[ 40.572230] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 40.580489] RDX: 0000000000000000 RSI: ffff8e44fad9bf50 RDI: ffff8e44fad9bf50 <4>[ 40.588747] RBP: ffff95fb40391000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 40.597008] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d <4>[ 40.605268] R13: ffff95fb423fff10 R14: ffff95fb423fff10 R15: ffff8e448316e000 <4>[ 40.613528] FS: 00007f9dd4960580(0000) GS:ffff8e44fad80000(0000) knlGS:0000000000000000 <4>[ 40.622855] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 40.629561] CR2: ffff95fb40390fd6 CR3: 0000000102cb6001 CR4: 00000000003706e0 <4>[ 40.637821] Call Trace: <4>[ 40.640842] ? __die_body.cold+0x1a/0x1f <4>[ 40.645510] ? no_context+0x177/0x380 <4>[ 40.649880] ? exc_page_fault+0xd7/0x170 <4>[ 40.654548] ? asm_exc_page_fault+0x1e/0x30 <4>[ 40.659511] ? execute_location+0x45/0x56 <4>[ 40.664275] ? lkdtm_EXEC_VMALLOC+0x20/0x30 <4>[ 40.669225] ? direct_entry.cold+0x2c/0x38 <4>[ 40.674089] ? full_proxy_write+0x53/0x80 tr[ 40.678858] ? vfs_write+0xe7/0x3b0 <4>[ 40.689260] ? ksys_write+0x68/0xf0 d not get cleared # [ 37.247202] lkdtm: trying to clear SMEP <4>[ 40.693447] ? do_syscall_64+0x30/0x40 <4>[ 40.704132] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 with call gadget # [ 37.259642] lkdtm: ok: SMEP removal was r<4>[ 40.710260] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger cros_usbpd_charger videobuf2_vmalloc videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c cros_usbpd_notify i2c_hid coreboot_table chromeos_pstore cros_kbd_led_backlight <4>[ 40.769207] CR2: ffff95fb40391000 <4>[ 40.773195] ---[ end trace 666ee677a86ad34c ]--- <4>[ 40.778657] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 40.783324] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 <4>[ 40.804595] RSP: 0018:ffff95fb41347e60 EFLAGS: 00010286 <4>[ 40.810711] RAX: ffffffff97b7bf00 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 40.818971] RDX: 0000000000000000 RSI: ffff8e44fac9bf50 RDI: ffffffff98cf84b0 <4>[ 40.827229] RBP: ffffffff991e8ec8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 40.835488] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 40.843748] R13: ffff95fb41347f10 R14: ffff95fb41347f10 R15: ffff8e4482a20000 <4>[ 40.852010] FS: 00007f9dd4960580(0000) GS:ffff8e44fad80000(0000) knlGS:0000000000000000 <4>[ 40.861338] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 40.868045] CR2: ffff95fb40390fd6 CR3: 0000000102cb6001 CR4: 00000000003706e0 everted # UNSET_SMEP: saw 'pinned CR4 bits changed:': ok ok 14 selftests: lkdtm: UNSET_SMEP.sh # selftests: lkdtm: DOUBLE_FAULT.sh # [ 37.367695] lkdtm: Performing direct entry DOUBLE_FAULT # [ 37.376897] lkdtm: XFAIL: this test is ia32-only # DOUBLE_FAULT: saw 'XFAIL': [SKIP] ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP # selftests: lkdtm: CORRUPT_PAC.sh # [ 37.484645] lkdtm: Performing direct entry CORRUPT_PAC # [ 37.494018] 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 # [ 37.600438] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 37.612745] 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 <6>[ 40.984247] lkdtm: Performing direct entry EXEC_RODATA <6>[ 40.994258] lkdtm: attempting ok execution at ffffffff97b7c2d0 <6>[ 41.001078] lkdtm: attempting bad execution at ffffffff98cf8940 <2>[ 41.007999] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 41.016661] BUG: unable to handle page fault for address: ffffffff98cf8940 <1>[ 41.024645] #PF: supervisor instruction fetch in kernel mode ok 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP # selftests<1>[ 41.031262] #PF: error_code(0x0011) - permissions violation <6>[ 41.043988] PGD 160629067 P4D 160629067 PUD 16062a063 PMD 800000015fe000e1 <4>[ 41.052057] Oops: 0011 [#9] SMP PTI <4>[ 41.056240] CPU: 3 PID: 1722 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 41.065181] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 41.072270] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 <4>[ 41.078299] Code: ff ff cf 0b 26 98 ff ff ff ff 52 2f 18 99 ff ff ff ff 15 f3 25 98 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>[ 41.099571] RSP: 0018:ffff95fb4249fe48 EFLAGS: 00010246 <4>[ 41.105708] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 <4>[ 41.113967] RDX: 0000000000000000 RSI: ffff8e44fad9bf50 RDI: ffff8e44fad9bf50 <4>[ 41.122226] RBP: ffffffff98cf8940 R08: 0000000000000000 R09: 0000000000000000 <4>[ 41.130485] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c <4>[ 41.138743] R13: ffff95fb4249ff10 R14: ffff95fb4249ff10 R15: ffff8e44831c4000 <4>[ 41.147004] FS: 00007fb32dcac580(0000) GS:ffff8e44fad80000(0000) knlGS:0000000000000000 <4>[ 41.156333] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 41.163039] CR2: ffffffff98cf8940 CR3: 0000000103376006 CR4: 00000000003706e0 <4>[ 41.171298] Call Trace: <4>[ 41.174318] ? __die_body.cold+0x1a/0x1f : [ 41.178990] ? no_context+0x177/0x380 di[ 41.189587] ? exc_page_fault+0xd7/0x170 <4>[ 41.200474] ? asm_exc_page_fault+0x1e/0x30 emory before free: 12345678 # [ 37.788766] lkdtm: Attempting <4>[ 41.205441] ? execute_location+0x45/0x56 <4>[ 41.216415] ? direct_entry.cold+0x2c/0x38 <4>[ 41.221279] ? full_proxy_write+0x53/0x80 <4>[ 41.226043] ? vfs_write+0xe7/0x3b0 <4>[ 41.230217] ? ksys_write+0x68/0xf0 <4>[ 41.234393] ? do_syscall_64+0x30/0x40 <4>[ 41.238866] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 bad read from freed memory # [ 37.801185] lkdtm: Memory was n<4>[ 41.244991] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger cros_usbpd_charger videobuf2_vmalloc videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c cros_usbpd_notify i2c_hid coreboot_table chromeos_pstore cros_kbd_led_backlight <4>[ 41.303979] CR2: ffffffff98cf8940 <4>[ 41.307959] ---[ end trace 666ee677a86ad34d ]--- <4>[ 41.313404] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 41.318062] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 <4>[ 41.339335] RSP: 0018:ffff95fb41347e60 EFLAGS: 00010286 <4>[ 41.345459] RAX: ffffffff97b7bf00 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 41.353719] RDX: 0000000000000000 RSI: ffff8e44fac9bf50 RDI: ffffffff98cf84b0 <4>[ 41.361978] RBP: ffffffff991e8ec8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 41.370237] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 41.378497] R13: ffff95fb41347f10 R14: ffff95fb41347f10 R15: ffff8e4482a20000 <4>[ 41.386757] FS: 00007fb32dcac580(0000) GS:ffff8e44fad80000(0000) knlGS:0000000000000000 <4>[ 41.396085] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 41.402790] CR2: ffffffff98cf8940 CR3: 0000000103376006 CR4: 00000000003706e0 <3>[ 41.411050] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 41.421251] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1722, name: cat <4>[ 41.429996] INFO: lockdep is turned off. <4>[ 41.434663] irq event stamp: 0 <4>[ 41.438359] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 41.445655] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 41.455081] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 41.464506] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 41.471795] CPU: 3 PID: 1722 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 41.480735] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 41.487829] Call Trace: <4>[ 41.490849] dump_stack+0x77/0x9b <4>[ 41.494840] ___might_sleep.cold+0xa6/0xb6 <4>[ 41.499731] exit_signals+0x1c/0x300 <4>[ 41.504012] do_exit+0xc2/0xab0 <4>[ 41.507808] ? ksys_write+0x68/0xf0 <4>[ 41.511992] make_task_dead+0x2f/0x30 <4>[ 41.516368] rewind_stack_and_make_dead+0x17/0x20 <4>[ 41.521907] RIP: 0033:0x7fb32dbc2473 <4>[ 41.526187] 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>[ 41.547457] RSP: 002b:00007fffd0666cf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 41.556205] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fb32dbc2473 <4>[ 41.564464] RDX: 000000000000000c RSI: 00007fb32dab6000 RDI: 0000000000000001 <4>[ 41.572725] RBP: 00007fb32dab6000 R08: 00007fb32dab5010 R09: 0000000000000000 <4>[ 41.580984] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 41.589243] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ot poisoned # READ_AFTER_FREE: missing 'call trace:': [FAIL] not ok 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1 # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on failure ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # [ 37.952461] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 37.962217] lkdtm: Value in memory before free: 12345678 # [ 37.974654] lkdtm: Attempting to read from freed memory # [ 37.986996] lkdtm: Buddy page was not poisoned # READ_BUDDY_AFTER_FREE: missing 'call trace:': [FAIL] not ok 22 selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_DOUBLE.sh # [ 38.093618] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 38.104427] 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 # [ 38.215706] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 38.228360] lkdtm: Attempting cross-cache slab free ... # SLAB_FREE_CROSS: missing 'call trace:': [FAIL] not ok 24 selftests: lkd<6>[ 41.712966] lkdtm: Performing direct entry EXEC_USERSPACE <6>[ 41.721979] lkdtm: attempting ok execution at ffffffff97b7c2d0 tm: SLAB_FREE_CROSS.sh # exit=1 # selftests: lkdtm: SLAB_FREE_P<6>[ 41.728791] lkdtm: attempting bad execution at 00007f3d43e26000 <2>[ 41.741928] unable to execute userspace code (SMEP?) (uid: 0) AGE.sh # [ 38.318595] lkdtm: Performing direct entry SLAB_FRE<1>[ 41.748639] BUG: unable to handle page fault for address: 00007f3d43e26000 <1>[ 41.762823] #PF: supervisor instruction fetch in kernel mode <1>[ 41.769434] #PF: error_code(0x0011) - permissions violation E_[ 41.775948] PGD 8000000102a2e067 P4D 8000000102a2e067 PUD 102bde067 PMD 102d2c067 PTE 10b2a8067 <4>[ 41.792178] Oops: 0011 [#10] SMP PTI <4>[ 41.796460] CPU: 2 PID: 1759 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 41.805403] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 41.812502] RIP: 0010:0x7f3d43e26000 . # SLAB_FREE_PAGE: missing 'call trace:': [FAIL] not ok 25 se<4>[ 41.816783] Code: Unable to access opcode bytes at RIP 0x7f3d43e25fd6. <4>[ 41.830579] RSP: 0018:ffff95fb4251fe50 EFLAGS: 00010246 <4>[ 41.836709] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 <4>[ 41.844969] RDX: 0000000000000000 RSI: ffff8e44fad1bf50 RDI: ffff8e44fad1bf50 <4>[ 41.853229] RBP: 00007f3d43e26000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 41.861490] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f <4>[ 41.869748] R13: ffff95fb4251ff10 R14: ffff95fb4251ff10 R15: ffff8e448498d000 <4>[ 41.878009] FS: 00007f3d43df7580(0000) GS:ffff8e44fad00000(0000) knlGS:0000000000000000 <4>[ 41.887328] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 41.894033] CR2: 00007f3d43e26000 CR3: 0000000102cc8006 CR4: 00000000003706e0 <4>[ 41.902292] Call Trace: <4>[ 41.905313] ? __die_body.cold+0x1a/0x1f <4>[ 41.909981] ? no_context+0x177/0x380 <4>[ 41.914361] ? exc_page_fault+0x53/0x170 <4>[ 41.919030] ? asm_exc_page_fault+0x1e/0x30 <4>[ 41.923994] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae <4>[ 41.929634] ? direct_entry.cold+0x2c/0x38 <4>[ 41.934501] ? full_proxy_write+0x53/0x80 lftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1 # selftests: lkdtm: <4>[ 41.939269] ? vfs_write+0xe7/0x3b0 <4>[ 41.949664] ? ksys_write+0x68/0xf0 <4>[ 41.953849] ? do_syscall_64+0x30/0x40 <4>[ 41.958314] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 41.964441] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger cros_usbpd_charger videobuf2_vmalloc videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c cros_usbpd_notify i2c_hid coreboot_table chromeos_pstore cros_kbd_led_backlight SOFTLOCKUP.sh # Skipping SOFTLOCKUP: Hangs the system ok 26 se<4>[ 42.017219] CR2: 00007f3d43e26000 <4>[ 42.027420] ---[ end trace 666ee677a86ad34e ]--- <4>[ 42.032857] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 42.037524] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 <4>[ 42.058795] RSP: 0018:ffff95fb41347e60 EFLAGS: 00010286 <4>[ 42.064917] RAX: ffffffff97b7bf00 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 42.073178] RDX: 0000000000000000 RSI: ffff8e44fac9bf50 RDI: ffffffff98cf84b0 <4>[ 42.081436] RBP: ffffffff991e8ec8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 42.089708] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 42.097969] R13: ffff95fb41347f10 R14: ffff95fb41347f10 R15: ffff8e4482a20000 <4>[ 42.106230] FS: 00007f3d43df7580(0000) GS:ffff8e44fad00000(0000) knlGS:0000000000000000 <4>[ 42.115557] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 42.122263] CR2: 00007f3d43e26000 CR3: 0000000102cc8006 CR4: 00000000003706e0 lftests: lkdtm: SOFTLOCKUP.sh # SKIP # selftests: lkdtm: HARDLOCKUP.sh # Skipping HARDLOCKUP: Hangs the system ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP # selftests: lkdtm: SPINLOCKUP.sh # Skipping SPINLOCKUP: Hangs the system ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP # selftests: lkdtm: HUNG_TASK.sh # Skipping HUNG_TASK: Hangs the system ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP # selftests: lkdtm: EXEC_DATA.sh # Killed # [ 38.533569] lkdtm: Performing direct entry EXEC_DATA # [ 38.544711] lkdtm: attempting ok execution at ffffffff97b7c2d0 # [ 38.551551] lkdtm: attempting bad execution at ffffffff9ac33d40 # [ 38.558462] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 38.573325] BUG: unable to handle page fault for address: ffffffff9ac33d40 # [ 38.581295] #PF: supervisor instruction fetch in kernel mode # [ 38.587904] #PF: error_code(0x0011) - permissions violation # [ 38.594418<6>[ 42.222534] lkdtm: Performing direct entry EXEC_NULL <6>[ 42.229631] lkdtm: attempting ok execution at ffffffff97b7c2d0 <6>[ 42.236451] lkdtm: attempting bad execution at 0000000000000000 <1>[ 42.243393] BUG: kernel NULL pointer dereference, address: 0000000000000000 ] PGD 160629067 P4D 160629067 PUD 16062a063 PMD 8000000161e000e3<1>[ 42.251484] #PF: supervisor instruction fetch in kernel mode <1>[ 42.264305] #PF: error_code(0x0010) - not-present page <6>[ 42.270331] PGD 0 P4D 0 <4>[ 42.273447] Oops: 0010 [#11] SMP PTI <4>[ 42.277718] CPU: 3 PID: 1796 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 42.286657] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 42.293751] RIP: 0010:0x0 <4>[ 42.296962] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. <4>[ 42.304931] RSP: 0018:ffff95fb42597e48 EFLAGS: 00010246 <4>[ 42.311054] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 <4>[ 42.319312] RDX: 0000000000000000 RSI: ffff8e44fad9bf50 RDI: ffff8e44fad9bf50 <4>[ 42.327572] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 42.335833] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 42.344093] R13: ffff95fb42597f10 R14: ffff95fb42597f10 R15: ffff8e4482da0000 <4>[ 42.352355] FS: 00007faa9c3fe580(0000) GS:ffff8e44fad80000(0000) knlGS:0000000000000000 <4>[ 42.361674] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 42.368372] CR2: ffffffffffffffd6 CR3: 00000001064ba004 CR4: 00000000003706e0 <4>[ 42.376647] Call Trace: # [ 38.602487] Oops: 0011 [#5] SMP PTI # [ 38.606669] CP<4>[ 42.379677] ? __die_body.cold+0x1a/0x1f <4>[ 42.390554] ? no_context+0x177/0x380 <4>[ 42.394934] ? exc_page_fault+0x53/0x170 <4>[ 42.399601] ? asm_exc_page_fault+0x1e/0x30 <4>[ 42.404563] execute_location+0x45/0x56 <4>[ 42.409134] direct_entry.cold+0x2c/0x38 <4>[ 42.413803] full_proxy_write+0x53/0x80 <4>[ 42.418376] vfs_write+0xe7/0x3b0 <4>[ 42.422363] ksys_write+0x68/0xf0 <4>[ 42.426353] do_syscall_64+0x30/0x40 <4>[ 42.430635] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 42.436566] RIP: 0033:0x7faa9c314473 <4>[ 42.440848] 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>[ 42.462123] RSP: 002b:00007fffb1ff68d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 42.470868] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007faa9c314473 <4>[ 42.479126] RDX: 000000000000000a RSI: 00007faa9c208000 RDI: 0000000000000001 <4>[ 42.487385] RBP: 00007faa9c208000 R08: 00007faa9c207010 R09: 0000000000000000 <4>[ 42.495655] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 42.503914] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 U: 3 PID: 1574 Comm: cat Tainted: G D W 5.10.207-ci<4>[ 42.512179] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger cros_usbpd_charger videobuf2_vmalloc videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c cros_usbpd_notify i2c_hid coreboot_table chromeos_pstore cros_kbd_led_backlight <4>[ 42.571163] CR2: 0000000000000000 <4>[ 42.575143] ---[ end trace 666ee677a86ad34f ]--- <4>[ 42.580589] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 42.585257] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 <4>[ 42.606527] RSP: 0018:ffff95fb41347e60 EFLAGS: 00010286 <4>[ 42.612660] RAX: ffffffff97b7bf00 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 42.620919] RDX: 0000000000000000 RSI: ffff8e44fac9bf50 RDI: ffffffff98cf84b0 <4>[ 42.629180] RBP: ffffffff991e8ec8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 42.637439] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 42.645706] R13: ffff95fb41347f10 R14: ffff95fb41347f10 R15: ffff8e4482a20000 <4>[ 42.653966] FS: 00007faa9c3fe580(0000) GS:ffff8e44fad80000(0000) knlGS:0000000000000000 <4>[ 42.663285] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 42.669991] CR2: ffffffffffffffd6 CR3: 00000001064ba004 CR4: 00000000003706e0 <3>[ 42.678253] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 42.688457] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1796, name: cat <4>[ 42.697201] INFO: lockdep is turned off. <4>[ 42.701868] irq event stamp: 0 <4>[ 42.705562] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 42.712853] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 42.722278] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 42.731713] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 42.739002] CPU: 3 PID: 1796 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 42.747943] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 42.755037] Call Trace: <4>[ 42.758054] dump_stack+0x77/0x9b <4>[ 42.762043] ___might_sleep.cold+0xa6/0xb6 <4>[ 42.766897] exit_signals+0x1c/0x300 <4>[ 42.771167] do_exit+0xc2/0xab0 <4>[ 42.774961] ? ksys_write+0x68/0xf0 <4>[ 42.779143] make_task_dead+0x2f/0x30 <4>[ 42.783511] rewind_stack_and_make_dead+0x17/0x20 <4>[ 42.789051] RIP: 0033:0x7faa9c314473 <4>[ 42.793330] 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>[ 42.814601] RSP: 002b:00007fffb1ff68d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 42.823346] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007faa9c314473 <4>[ 42.831604] RDX: 000000000000000a RSI: 00007faa9c208000 RDI: 0000000000000001 <4>[ 42.839863] RBP: 00007faa9c208000 R08: 00007faa9c207010 R09: 0000000000000000 <4>[ 42.848122] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 42.856382] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 p41 #1 # [ 38.615610] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 38.622711] RIP: 0010:data_area+0x0/0x40 # [ 38.627378] Code: ff ff 00 00 cd 84 44 8e ff ff 00 9f aa 84 44 8e 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 # [ 38.648654] RSP: 0018:ffff95fb42267e48 EFLAGS: 00010246 # [ 38.654782] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 38.663043] RDX: 0000000000000000 RSI: ffff8e44fad9bf50 RDI: ffff8e44fad9bf50 # [ 38.671303] RBP: ffffffff9ac33d40 R08: 0000000000000000 R09: 0000000000000000 # [ 38.679566] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 38.687825] R13: ffff95fb42267f10 R14: ffff95fb42267f10 R15: ffff8e4484964000 # [ 38.696085] FS: 00007fc74756e580(0000) GS:ffff8e44fad80000(0000) knlGS:0000000000000000 # [ 38.705415] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 38.712114] CR2: ffffffff9ac33d40 CR3: 0000000104904002 CR4: 00000000003706e0 # [ 38.720376] Call Trace: # [ 38.723398] ? __die_body.cold+0x1a/0x1f # [ 38.728067] ? no_context+0x177/0x380 # [ 38.732447] ? exc_page_fault+0xd7/0x170 # [ 38.737117] ? asm_exc_page_fault+0x1e/0x30 # [ 38.742082] ? execute_location+0x45/0x56 # [ <6>[ 42.991561] lkdtm: Performing direct entry ACCESS_USERSPACE <6>[ 43.001781] lkdtm: attempting bad read at 00007fc33f4e5000 <1>[ 43.008211] BUG: unable to handle page fault for address: 00007fc33f4e5000 <1>[ 43.016187] #PF: supervisor read access in kernel mode <1>[ 43.022215] #PF: error_code(0x0001) - permissions violation <38.746847] ? direct_entry.cold+0x2c/0x38 # [ 38.751710] ?6>[ 43.028727] PGD 8000000106096067 P4D 8000000106096067 PUD 1040ef067 PMD 105a5b067 PTE 10afc2067 <4>[ 43.044954] Oops: 0001 [#12] SMP PTI <4>[ 43.049234] CPU: 2 PID: 1832 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 43.058175] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 f[ 43.065274] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 <4>[ 43.078003] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 70 3c 18 99 e8 24 d8 fb ff 48 c7 c7 98 3c 18 99 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 0b d8 fb ff 48 89 ee 48 c7 c7 c0 3c 18 <4>[ 43.099277] RSP: 0018:ffff95fb4261fe48 EFLAGS: 00010246 <4>[ 43.105392] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 <4>[ 43.113655] RDX: 0000000000000000 RSI: ffff8e44fad1bf50 RDI: ffffffff99183c98 <4>[ 43.121915] RBP: 00007fc33f4e5000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 43.130174] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 <4>[ 43.138434] R13: ffff95fb4261ff10 R14: ffff95fb4261ff10 R15: ffff8e4483e30000 <4>[ 43.146711] FS: 00007fc33f4b6580(0000) GS:ffff8e44fad00000(0000) knlGS:0000000000000000 <4>[ 43.156040] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 43.162744] CR2: 00007fc33f4e5000 CR3: 0000000104950005 CR4: 00000000003706e0 <4>[ 43.171003] Call Trace: <4>[ 43.174023] ? __die_body.cold+0x1a/0x1f <4>[ 43.178705] ? no_context+0x177/0x380 <4>[ 43.183114] ? exc_page_fault+0x53/0x170 <4>[ 43.187782] ? asm_exc_page_fault+0x1e/0x30 <4>[ 43.192734] ? lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 <4>[ 43.198568] ? lkdtm_ACCESS_USERSPACE.cold+0x35/0xa3 <4>[ 43.204402] direct_entry.cold+0x2c/0x38 <4>[ 43.209061] full_proxy_write+0x53/0x80 <4>[ 43.213626] vfs_write+0xe7/0x3b0 <4>[ 43.217614] ksys_write+0x68/0xf0 <4>[ 43.221603] do_syscall_64+0x30/0x40 <4>[ 43.225882] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 43.231813] RIP: 0033:0x7fc33f3cc473 <4>[ 43.236083] 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>[ 43.257354] RSP: 002b:00007ffd2d554c28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 43.266101] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fc33f3cc473 <4>[ 43.274361] RDX: 0000000000000011 RSI: 00007fc33f2c0000 RDI: 0000000000000001 <4>[ 43.282621] RBP: 00007fc33f2c0000 R08: 00007fc33f2bf010 R09: 0000000000000000 <4>[ 43.290881] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 43.299143] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0x3b0 # [ 38.760660] ? ksys_write+0x68/0xf0 # [ 38.764843<4>[ 43.307399] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger cros_usbpd_charger videobuf2_vmalloc videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c cros_usbpd_notify i2c_hid coreboot_table chromeos_pstore cros_kbd_led_backlight <4>[ 43.366385] CR2: 00007fc33f4e5000 <4>[ 43.370372] ---[ end trace 666ee677a86ad350 ]--- <4>[ 43.375818] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 43.380484] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 <4>[ 43.401754] RSP: 0018:ffff95fb41347e60 EFLAGS: 00010286 <4>[ 43.407879] RAX: ffffffff97b7bf00 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 43.416140] RDX: 0000000000000000 RSI: ffff8e44fac9bf50 RDI: ffffffff98cf84b0 <4>[ 43.424399] RBP: ffffffff991e8ec8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 43.432657] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 43.440916] R13: ffff95fb41347f10 R14: ffff95fb41347f10 R15: ffff8e4482a20000 <4>[ 43.449177] FS: 00007fc33f4b6580(0000) GS:ffff8e44fad00000(0000) knlGS:0000000000000000 <4>[ 43.458497] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 43.465202] CR2: 00007fc33f4e5000 CR3: 0000000104950005 CR4: 00000000003706e0 ] ? do_syscall_64+0x30/0x40 # [ 38.769318] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 38.775437] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger cros_usbpd_charger videobuf2_vmalloc videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c cros_usbpd_notify i2c_hid coreboot_table chromeos_pstore cros_kbd_led_backlight # [ 38.834432] CR2: ffffffff9ac33d40 # [ 38.838421] ---[ end trace 666ee677a86ad349 ]--- # [ 38.843866] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 38.848535] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 # [ 38.869803] RSP: 0018:ffff95fb41347e60 EFLAGS: 00010286 # [ 38.875928] RAX: ffffffff97b7bf00 RBX: 0000000000000001 RCX: 0000000000000000 # [ 38.884188] RDX: 0000000000000000 RSI: ffff8e44fac9bf50 RDI: ffffffff98cf84b0 # [ 38.892449] RBP: ffffffff991e8ec8 R08: 0000000000000001 R09: 0000000000000001 # [ 38.900711] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 38.908971] R13: ffff95fb41347f10 R14: ffff95fb41347f10 R15: ffff8e4482a20000 # [ 38.917234] FS: 00007fc74756e580(0000) GS:ffff8e44fad80000(0000) knlGS:0000000000000000 # [ 38.926564] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 38.933272] CR2: ffffffff9ac33d40 CR3: 0000000104904002 CR4: 00000000003706e0 # [ <6>[ 43.635351] lkdtm: Performing direct entry ACCESS_NULL 38.941535] BUG: sleeping function called from invalid context a<6>[ 43.647380] lkdtm: attempting bad read at 0000000000000000 t include/linux/percpu-rwsem.h:49 # [ 38.951729] in_atomic():<1>[ 43.660035] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 43.674274] #PF: supervisor read access in kernel mode <1>[ 43.680302] #PF: error_code(0x0000) - not-present page <6>[ 43.686329] PGD 0 P4D 0 <4>[ 43.689445] Oops: 0000 [#13] SMP PTI <4>[ 43.693725] CPU: 0 PID: 1868 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 43.702664] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 43.709762] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 43.715309] Code: c8 d7 fb ff be 00 10 00 00 48 89 ef e8 56 6d 0a ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 70 3c 18 99 e8 a2 d7 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 98 3c 18 99 48 01 <4>[ 43.736583] RSP: 0018:ffff95fb42697e58 EFLAGS: 00010246 <4>[ 43.742710] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 <4>[ 43.750968] RDX: 0000000000000000 RSI: ffff8e44fac1bf50 RDI: ffff8e44fac1bf50 <4>[ 43.759228] RBP: ffffffff99182d61 R08: 0000000000000000 R09: 0000000000000000 <4>[ 43.767488] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c <4>[ 43.775748] R13: ffff95fb42697f10 R14: ffff95fb42697f10 R15: ffff8e4482ddc000 <4>[ 43.784006] FS: 00007fc6d5f82580(0000) GS:ffff8e44fac00000(0000) knlGS:0000000000000000 <4>[ 43.793333] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 43.800038] CR2: 0000000000000000 CR3: 0000000102d5c003 CR4: 00000000003706f0 <4>[ 43.808296] Call Trace: <4>[ 43.811318] ? __die_body.cold+0x1a/0x1f <4>[ 43.815985] ? no_context+0x177/0x380 <4>[ 43.820363] ? exc_page_fault+0x53/0x170 <4>[ 43.825036] ? asm_exc_page_fault+0x1e/0x30 <4>[ 43.829998] ? lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 43.834865] ? lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 43.839725] direct_entry.cold+0x2c/0x38 <4>[ 43.844394] full_proxy_write+0x53/0x80 <4>[ 43.848971] vfs_write+0xe7/0x3b0 <4>[ 43.852964] ksys_write+0x68/0xf0 <4>[ 43.856945] do_syscall_64+0x30/0x40 <4>[ 43.861224] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 43.867156] RIP: 0033:0x7fc6d5e98473 <4>[ 43.871435] 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>[ 43.892709] RSP: 002b:00007ffc2d105b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 43.901453] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fc6d5e98473 <4>[ 43.909723] RDX: 000000000000000c RSI: 00007fc6d5d8c000 RDI: 0000000000000001 <4>[ 43.917975] RBP: 00007fc6d5d8c000 R08: 00007fc6d5d8b010 R09: 0000000000000000 <4>[ 43.926235] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 43.934493] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 43.942758] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger cros_usbpd_charger videobuf2_vmalloc videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c cros_usbpd_notify i2c_hid coreboot_table chromeos_pstore cros_kbd_led_backlight <4>[ 43.995526] CR2: 0000000000000000 <4>[ 43.999515] ---[ end trace 666ee677a86ad351 ]--- <4>[ 44.004961] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 44.009634] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 <4>[ 44.030904] RSP: 0018:ffff95fb41347e60 EFLAGS: 00010286 <4>[ 44.037028] RAX: ffffffff97b7bf00 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 44.045287] RDX: 0000000000000000 RSI: ffff8e44fac9bf50 RDI: ffffffff98cf84b0 <4>[ 44.053548] RBP: ffffffff991e8ec8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 44.061808] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 44.070068] R13: ffff95fb41347f10 R14: ffff95fb41347f10 R15: ffff8e4482a20000 <4>[ 44.078329] FS: 00007fc6d5f82580(0000) GS:ffff8e44fac00000(0000) knlGS:0000000000000000 <4>[ 44.087647] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 44.094353] CR2: 0000000000000000 CR3: 0000000102d5c003 CR4: 00000000003706f0 <3>[ 44.102615] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 44.112817] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1868, name: cat <4>[ 44.121562] INFO: lockdep is turned off. <4>[ 44.126228] irq event stamp: 0 <4>[ 44.129925] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 44.137217] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 44.146643] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 44.156068] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 44.163356] CPU: 0 PID: 1868 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 44.172295] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 44.179391] Call Trace: <4>[ 44.182411] dump_stack+0x77/0x9b <4>[ 44.186405] ___might_sleep.cold+0xa6/0xb6 <4>[ 44.191274] exit_signals+0x1c/0x300 <4>[ 44.195560] do_exit+0xc2/0xab0 <4>[ 44.199357] ? ksys_write+0x68/0xf0 <4>[ 44.203540] make_task_dead+0x2f/0x30 <4>[ 44.207918] rewind_stack_and_make_dead+0x17/0x20 <4>[ 44.213458] RIP: 0033:0x7fc6d5e98473 <4>[ 44.217738] 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>[ 44.239003] RSP: 002b:00007ffc2d105b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 44.247751] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fc6d5e98473 <4>[ 44.256002] RDX: 000000000000000c RSI: 00007fc6d5d8c000 RDI: 0000000000000001 <4>[ 44.264262] RBP: 00007fc6d5d8c000 R08: 00007fc6d5d8b010 R09: 0000000000000000 <4>[ 44.272521] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 44.280782] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0, irqs_disabled(): 1, non_block: 0, pid: 1574, name: cat # [ 38.960476] INFO: lockdep is turned off. # [ 38.965143] irq event stamp: 0 # [ 38.968839] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 38.976131] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 38.985556] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 38.994983] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 39.002272] CPU: 3 PID: 1574 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 39.011212] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 39.018307] Call Trace: # [ 39.021326] dump_stack+0x77/0x9b # [ 39.025315] ___might_sleep.cold+0xa6/0xb6 # [ 39.030170] exit_signals+0x1c/0x300 # [ 39.034451] do_exit+0xc2/0xab0 # [ 39.038246] ? ksys_write+0x68/0xf0 # [ 39.042429] make_task_dead+0x2f/0x30 # [ 39.046800] rewind_stack_and_make_dead+0x17/0x20 # [ 39.052340] RIP: 0033:0x7fc747484473 # [ 39.056618] 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 # [ 39.077893] RSP: 002b:000<6>[ 44.409836] lkdtm: Performing direct entry WRITE_RO 07ffcab8e93a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ <6>[ 44.419113] lkdtm: attempting bad rodata write at ffffffff98cf8930 39.086655] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 000<1>[ 44.432530] BUG: unable to handle page fault for address: ffffffff98cf8930 <1>[ 44.446698] #PF: supervisor write access in kernel mode <1>[ 44.452821] #PF: error_code(0x0003) - permissions violation <6>[ 44.459332] PGD 160629067 P4D 160629067 PUD 16062a063 PMD 800000015fe000e1 <4>[ 44.467407] Oops: 0003 [#14] SMP PTI <4>[ 44.471686] CPU: 0 PID: 1904 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 44.480627] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 44.487727] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a <4>[ 44.492983] Code: 00 48 c7 c7 50 3b 18 99 48 c7 c6 30 89 cf 98 e8 4c da fb ff 48 8b 05 d0 92 a9 00 ba 34 12 cd ab 48 c7 c7 80 3b 18 99 48 31 d0 <48> 89 05 ba 92 a9 00 e9 2a da fb ff 0f 1f 44 00 00 48 8b 05 c9 bc <4>[ 44.514256] RSP: 0018:ffff95fb426ffe60 EFLAGS: 00010202 <4>[ 44.520381] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 <4>[ 44.528641] RDX: 00000000abcd1234 RSI: ffff8e44fac1bf50 RDI: ffffffff99183b80 <4>[ 44.536901] RBP: ffffffff99182d6d R08: 0000000000000000 R09: 0000000000000000 <4>[ 44.545163] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 <4>[ 44.553422] R13: ffff95fb426fff10 R14: ffff95fb426fff10 R15: ffff8e4482d61000 <4>[ 44.561683] FS: 00007f922c3c7580(0000) GS:ffff8e44fac00000(0000) knlGS:0000000000000000 <4>[ 44.571002] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 44.577708] CR2: ffffffff98cf8930 CR3: 00000001034f4004 CR4: 00000000003706f0 <4>[ 44.585968] Call Trace: <4>[ 44.588988] ? __die_body.cold+0x1a/0x1f <4>[ 44.593664] ? no_context+0x177/0x380 <4>[ 44.598048] ? exc_page_fault+0xd7/0x170 <4>[ 44.602724] ? asm_exc_page_fault+0x1e/0x30 <4>[ 44.607687] ? lkdtm_WRITE_RO+0x2e/0x3a <4>[ 44.612256] direct_entry.cold+0x2c/0x38 <4>[ 44.616926] full_proxy_write+0x53/0x80 <4>[ 44.621504] vfs_write+0xe7/0x3b0 <4>[ 44.625499] ksys_write+0x68/0xf0 <4>[ 44.629490] do_syscall_64+0x30/0x40 <4>[ 44.633774] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 44.639706] RIP: 0033:0x7f922c2dd473 <4>[ 44.643984] 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>[ 44.665256] RSP: 002b:00007ffd3228e1c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 44.674003] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f922c2dd473 <4>[ 44.682263] RDX: 0000000000000009 RSI: 00007f922c1d1000 RDI: 0000000000000001 <4>[ 44.690522] RBP: 00007f922c1d1000 R08: 00007f922c1d0010 R09: 0000000000000000 <4>[ 44.698783] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 44.707043] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 44.715308] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger cros_usbpd_charger videobuf2_vmalloc videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c cros_usbpd_notify i2c_hid coreboot_table chromeos_pstore cros_kbd_led_backlight <4>[ 44.768076] CR2: ffffffff98cf8930 <4>[ 44.772055] ---[ end trace 666ee677a86ad352 ]--- <4>[ 44.777501] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 44.782168] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 <4>[ 44.803441] RSP: 0018:ffff95fb41347e60 EFLAGS: 00010286 <4>[ 44.809564] RAX: ffffffff97b7bf00 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 44.817824] RDX: 0000000000000000 RSI: ffff8e44fac9bf50 RDI: ffffffff98cf84b0 <4>[ 44.826083] RBP: ffffffff991e8ec8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 44.834343] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 44.842603] R13: ffff95fb41347f10 R14: ffff95fb41347f10 R15: ffff8e4482a20000 <4>[ 44.850863] FS: 00007f922c3c7580(0000) GS:ffff8e44fac00000(0000) knlGS:0000000000000000 <4>[ 44.860192] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 44.866899] CR2: ffffffff98cf8930 CR3: 00000001034f4004 CR4: 00000000003706f0 07fc747484473 # [ 39.094914] RDX: 000000000000000a RSI: 00007fc747378000 RDI: 0000000000000001 # [ 39.103172] RBP: 00007fc747378000 R08: 00007fc747377010 R09: 0000000000000000 # [ 39.111432] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 39.119708] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_DATA: saw 'call trace:': ok ok 30 selftests: lkdtm: EXEC_DATA.sh # selftests: lkdtm: EXEC_STACK.sh # Killed # [ 39.234836] lkdtm: Performing direct entry EXEC_STACK # [ 39.245831] lkdtm: attempting ok execution at ffffffff97b7c2d0 # [ 39.252673] lkdtm: attempting bad execution at ffff95fb422d7e18 # [ 39.259600] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 39.268260] BUG: unable to handle page fault for address: ffff95fb422d7e18 # [ 39.276232] #PF: supervisor instruction fetch in kernel mode # [ 39.289055] #PF: error_code(0x0011) - permissions violation # [ 39.295569] PGD 100000067 P4D 100000067 PUD 100248067 PMD 102bf7067 PTE 80000001040ea063 # [ 39.311119] Oops: 0011 [#6] SMP PTI # [ 39.315303] CPU: 2 PID: 1611 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 39.324245] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 39.331341] RIP: 0010:0xffff95fb422d7e18 # [ 39.336009] Code: 00 00 18 7e 2d 42 fb 95 ff ff 30 f6 25 98 ff ff ff ff 20 00 00 00 00 00 00 00 06 2d 18 99 ff ff ff ff 5f f7 25 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 # [ 39.357281] RSP: 0018:ffff95fb422d7df8 EFLAGS: 00010246 # [ 39.363406] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 39.371664] RDX: 0000000000000000 RSI: ffff8e44fad1bf50 RDI: ffff8e44fad1bf50 # [ 39.379926] RBP: ffff95fb422d7e18 R08: 0000000000000000 R09: 0000000000000000 # [ 39.388185] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 39.396446] R13: ffff95fb422d7f10 R14: ffff95fb422d7f10 R15: ffff8e4482fde000 # [ 39.404711] FS: 00007fc11d30b580(0000) GS:ffff8e44fad00000(0000) knlGS:0000000000000000 <6>[ 45.075709] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT <6>[ 45.087101] lkdtm: attempting bad ro_after_init write at ffffffff9920b350 <1>[ 45.095006] BUG: unable to handle page fault for address: ffffffff9920b350 # [ 39.414039] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050<1>[ 45.102985] #PF: supervisor write access in kernel mode <1>[ 45.115323] #PF: error_code(0x0003) - permissions violation <6>[ 45.121836] PGD 160629067 P4D 160629067 PUD 16062a063 PMD 10005f063 PTE 800000016040b061 <4>[ 45.131168] Oops: 0003 [#15] SMP PTI <4>[ 45.135446] CPU: 3 PID: 1940 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 45.144386] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 45.151484] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a <4>[ 45.157802] Code: 3b 18 99 e9 fe d9 fb ff 48 c7 c7 d8 3b 18 99 e8 f2 d9 fb ff 48 8b 05 96 bc fa 00 ba 34 12 cd ab 48 c7 c7 80 3b 18 99 48 31 d0 <48> 89 05 80 bc fa 00 e9 d0 d9 fb ff 0f 1f 44 00 00 41 54 48 c7 c7 <4>[ 45.179074] RSP: 0018:ffff95fb42797e60 EFLAGS: 00010202 <4>[ 45.185198] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 <4>[ 45.193457] RDX: 00000000abcd1234 RSI: ffff8e44fad9bf50 RDI: ffffffff99183b80 <4>[ 45.201717] RBP: ffffffff99182d76 R08: 0000000000000000 R09: 0000000000000000 <4>[ 45.209976] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 <4>[ 45.218236] R13: ffff95fb42797f10 R14: ffff95fb42797f10 R15: ffff8e4483322000 <4>[ 45.226496] FS: 00007fc76599e580(0000) GS:ffff8e44fad80000(0000) knlGS:0000000000000000 <4>[ 45.235823] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 45.242529] CR2: ffffffff9920b350 CR3: 0000000102656003 CR4: 00000000003706e0 <4>[ 45.250788] Call Trace: <4>[ 45.253808] ? __die_body.cold+0x1a/0x1f <4>[ 45.258478] ? no_context+0x177/0x380 <4>[ 45.262857] ? exc_page_fault+0xd7/0x170 <4>[ 45.267524] ? asm_exc_page_fault+0x1e/0x30 <4>[ 45.272485] ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a <4>[ 45.278124] direct_entry.cold+0x2c/0x38 <4>[ 45.282794] full_proxy_write+0x53/0x80 <4>[ 45.287366] vfs_write+0xe7/0x3b0 <4>[ 45.291356] ksys_write+0x68/0xf0 <4>[ 45.295345] do_syscall_64+0x30/0x40 <4>[ 45.299624] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 45.305555] RIP: 0033:0x7fc7658b4473 <4>[ 45.309825] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 45.331095] RSP: 002b:00007ffd65735458 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 45.339841] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fc7658b4473 <4>[ 45.348101] RDX: 0000000000000014 RSI: 00007fc7657a8000 RDI: 0000000000000001 <4>[ 45.356360] RBP: 00007fc7657a8000 R08: 00007fc7657a7010 R09: 0000000000000000 <4>[ 45.364619] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 45.372877] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 033 # [ 39.420745] CR2: ffff95fb422d7e18 CR3: 0000000102e8800<4>[ 45.381142] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger cros_usbpd_charger videobuf2_vmalloc videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c cros_usbpd_notify i2c_hid coreboot_table chromeos_pstore cros_kbd_led_backlight <4>[ 45.440128] CR2: ffffffff9920b350 <4>[ 45.444116] ---[ end trace 666ee677a86ad353 ]--- <4>[ 45.449560] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 45.454218] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 <4>[ 45.475490] RSP: 0018:ffff95fb41347e60 EFLAGS: 00010286 <4>[ 45.481614] RAX: ffffffff97b7bf00 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 45.489874] RDX: 0000000000000000 RSI: ffff8e44fac9bf50 RDI: ffffffff98cf84b0 <4>[ 45.498133] RBP: ffffffff991e8ec8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 45.506391] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 45.514656] R13: ffff95fb41347f10 R14: ffff95fb41347f10 R15: ffff8e4482a20000 <4>[ 45.522917] FS: 00007fc76599e580(0000) GS:ffff8e44fad80000(0000) knlGS:0000000000000000 <4>[ 45.532246] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 45.538951] CR2: ffffffff9920b350 CR3: 0000000102656003 CR4: 00000000003706e0 <3>[ 45.547210] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 45.557413] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1940, name: cat <4>[ 45.566158] INFO: lockdep is turned off. <4>[ 45.570826] irq event stamp: 0 <4>[ 45.574521] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 45.581811] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 45.591237] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 45.600662] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 45.607942] CPU: 3 PID: 1940 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 45.616882] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 45.623975] Call Trace: <4>[ 45.626992] dump_stack+0x77/0x9b <4>[ 45.630981] ___might_sleep.cold+0xa6/0xb6 <4>[ 45.635846] exit_signals+0x1c/0x300 <4>[ 45.640126] do_exit+0xc2/0xab0 <4>[ 45.643911] ? ksys_write+0x68/0xf0 <4>[ 45.648092] make_task_dead+0x2f/0x30 <4>[ 45.652469] rewind_stack_and_make_dead+0x17/0x20 <4>[ 45.658002] RIP: 0033:0x7fc7658b4473 <4>[ 45.662280] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 45.683552] RSP: 002b:00007ffd65735458 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 45.692297] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fc7658b4473 <4>[ 45.700555] RDX: 0000000000000014 RSI: 00007fc7657a8000 RDI: 0000000000000001 <4>[ 45.708816] RBP: 00007fc7657a8000 R08: 00007fc7657a7010 R09: 0000000000000000 <4>[ 45.717075] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 45.725334] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 3 CR4: 00000000003706e0 # [ 39.429003] Call Trace: # [ 39.432023] ? __die_body.cold+0x1a/0x1f # [ 39.436712] ? no_context+0x177/0x380 # [ 39.441091] ? exc_page_fault+0xd7/0x170 # [ 39.445759] ? asm_exc_page_fault+0x1e/0x30 # [ 39.450722] ? execute_location+0x45/0x56 # [ 39.455486] ? lkdtm_EXEC_STACK+0x26/0x44 # [ 39.460254] ? direct_entry.cold+0x2c/0x38 # [ 39.465117] ? full_proxy_write+0x53/0x80 # [ 39.469884] ? vfs_write+0xe7/0x3b0 # [ 39.474066] ? ksys_write+0x68/0xf0 # [ 39.478249] ? do_syscall_64+0x30/0x40 # [ 39.482722] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 39.488848] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger cros_usbpd_charger videobuf2_vmalloc videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c cros_usbpd_notify i2c_hid coreboot_table chromeos_pstore cros_kbd_led_backlight # [ 39.547837] CR2: ffff95fb422d7e18 # [ 39.551817] ---[ end trace 666ee677a86ad34a ]--- # [ 39.557254]<6>[ 45.856017] lkdtm: Performing direct entry WRITE_KERN <6>[ 45.863995] lkdtm: attempting bad 7222026 byte write at ffffffff9825f5da <1>[ 45.871810] BUG: unable to handle page fault for address: ffffffff9825f5da <1>[ 45.879778] #PF: supervisor write access in kernel mode <1>[ 45.885902] #PF: error_code(0x0003) - permissions violation <6>[ 45.892415] PGD 160629067 P4D 160629067 PUD 16062a063 PMD 15f4000e1 RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 39.561922] Code: 89 ff e8 5<4>[ 45.899807] Oops: 0003 [#16] SMP PTI <4>[ 45.910298] CPU: 2 PID: 1976 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 45.919239] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 45.926337] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e e d4 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc<4>[ 45.931782] Code: 53 48 c7 c3 da f5 25 98 49 89 dc 48 89 da 49 81 ec d0 c2 b7 97 4c 89 e6 e8 a5 d9 fb ff 48 89 df 4c 89 e1 48 c7 c6 d0 c2 b7 97 a4 48 c7 c7 80 3b 18 99 e8 8a d9 fb ff 5b 41 5c e9 b7 fe ff ff <4>[ 45.959266] RSP: 0018:ffff95fb42837e50 EFLAGS: 00010246 <4>[ 45.965382] RAX: 000000000000003c RBX: ffffffff9825f5da RCX: 00000000006e330a <4>[ 45.973659] RDX: 0000000000000000 RSI: ffffffff97b7c2d0 RDI: ffffffff9825f5da <4>[ 45.981919] RBP: ffffffff99182d8a R08: 0000000000000000 R09: 0000000000000000 <4>[ 45.990179] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000006e330a <4>[ 45.998437] R13: ffff95fb42837f10 R14: ffff95fb42837f10 R15: ffff8e448308d000 <4>[ 46.006708] FS: 00007ff839b9c580(0000) GS:ffff8e44fad00000(0000) knlGS:0000000000000000 <4>[ 46.016035] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 46.022740] CR2: ffffffff9825f5da CR3: 0000000102d3e003 CR4: 00000000003706e0 <4>[ 46.031000] Call Trace: <4>[ 46.034021] ? __die_body.cold+0x1a/0x1f <4>[ 46.038690] ? no_context+0x177/0x380 <4>[ 46.043067] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 46.048803] ? exc_page_fault+0xd7/0x170 <4>[ 46.053471] ? asm_exc_page_fault+0x1e/0x30 <4>[ 46.058422] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 46.064152] ? lkdtm_SLAB_FREE_PAGE+0x40/0x40 <4>[ 46.069305] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 46.075040] ? lkdtm_WRITE_KERN+0x38/0x4e <4>[ 46.079805] direct_entry.cold+0x2c/0x38 <4>[ 46.084476] full_proxy_write+0x53/0x80 <4>[ 46.089049] vfs_write+0xe7/0x3b0 <4>[ 46.093038] ksys_write+0x68/0xf0 <4>[ 46.097017] do_syscall_64+0x30/0x40 <4>[ 46.101295] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 46.107225] RIP: 0033:0x7ff839ab2473 <4>[ 46.111502] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 46.132775] RSP: 002b:00007ffc54a71688 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 46.141521] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007ff839ab2473 <4>[ 46.149780] RDX: 000000000000000b RSI: 00007ff8399a6000 RDI: 0000000000000001 <4>[ 46.158039] RBP: 00007ff8399a6000 R08: 00007ff8399a5010 R09: 0000000000000000 <4>[ 46.166300] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 46.174559] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0<4>[ 46.182822] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger cros_usbpd_charger videobuf2_vmalloc videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c cros_usbpd_notify i2c_hid coreboot_table chromeos_pstore cros_kbd_led_backlight <4>[ 46.241810] CR2: ffffffff9825f5da <4>[ 46.245798] ---[ end trace 666ee677a86ad354 ]--- <4>[ 46.251233] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 46.255901] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 <4>[ 46.277171] RSP: 0018:ffff95fb41347e60 EFLAGS: 00010286 <4>[ 46.283295] RAX: ffffffff97b7bf00 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 46.291555] RDX: 0000000000000000 RSI: ffff8e44fac9bf50 RDI: ffffffff98cf84b0 <4>[ 46.299814] RBP: ffffffff991e8ec8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 46.308073] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 46.316333] R13: ffff95fb41347f10 R14: ffff95fb41347f10 R15: ffff8e4482a20000 <4>[ 46.324592] FS: 00007ff839b9c580(0000) GS:ffff8e44fad00000(0000) knlGS:0000000000000000 <4>[ 46.333921] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 46.340626] CR2: ffffffff9825f5da CR3: 0000000102d3e003 CR4: 00000000003706e0 f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 f0 7d 0b 03 # [ 39.583194] RSP: 0018:ffff95fb41347e60 EFLAGS: 00010286 # [ 39.589320] RAX: ffffffff97b7bf00 RBX: 0000000000000001 RCX: 0000000000000000 # [ 39.597581] RDX: 0000000000000000 RSI: ffff8e44fac9bf50 RDI: ffffffff98cf84b0 # [ 39.605840] RBP: ffffffff991e8ec8 R08: 0000000000000001 R09: 0000000000000001 # [ 39.614101] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 39.622360] R13: ffff95fb41347f10 R14: ffff95fb41347f10 R15: ffff8e4482a20000 # [ 39.630619] FS: 00007fc11d30b580(0000) GS:ffff8e44fad00000(0000) knlGS:0000000000000000 # [ 39.639947] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 39.646656] CR2: ffff95fb422d7e18 CR3: 0000000102e88003 CR4: 00000000003706e0 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 39.753863] lkdtm: Performing direct entry EXEC_KMALLOC # [ 39.760536] lkdtm: attempting ok execution at ffffffff97b7c2d0 # [ 39.767378] lkdtm: attempting bad execution at ffff8e4484907b80 # [ 39.774297] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 39.782953] BUG: unable to handle page fault for address: ffff8e4484907b80 #<6>[ 46.471020] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW <6>[ 46.480244] lkdtm: attempting good refcount_inc() without overflow [ 39.790926] #PF: supervisor instruction fetch in kernel mode<6>[ 46.487458] lkdtm: attempting bad refcount_inc() overflow <4>[ 46.499987] ------------[ cut here ]------------ <4>[ 46.505456] refcount_t: saturated; leaking memory. <4>[ 46.511126] WARNING: CPU: 2 PID: 2013 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 39.797536] #PF: error_code(0x0011) - permissions violati<4>[ 46.520852] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger cros_usbpd_charger videobuf2_vmalloc videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c cros_usbpd_notify i2c_hid coreboot_table chromeos_pstore cros_kbd_led_backlight <4>[ 46.579804] CPU: 2 PID: 2013 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 46.588776] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 46.595874] RIP: 0010:refcount_warn_saturate+0x51/0x110 <4>[ 46.602000] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 39 fa 16 02 00 75 ee 48 c7 c7 88 d9 0d 99 c6 05 29 fa 16 02 01 e8 09 f0 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 15 fa 16 02 00 75 cb 48 c7 c7 b0 d9 0d on # [ 39.804050] PGD 162001067 P4D 162001067 PUD 100878063 P<4>[ 46.623279] RSP: 0018:ffff95fb403f7e48 EFLAGS: 00010286 MD 102a45063 PTE 8000000104907063 # [ 39.819601] Oops: 0011 [<4>[ 46.635619] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 #7] SMP PTI # [ 39.823776] CPU: 2 PID: 1648 Comm: cat Tainted<4>[ 46.650101] RDX: ffff8e44fad2c620 RSI: ffff8e44fad1bf50 RDI: ffff8e44fad1bf50 <4>[ 46.664578] RBP: ffffffff99182d95 R08: 0000000000000000 R09: 0000000000000000 <4>[ 46.672841] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 <4>[ 46.681103] R13: ffff95fb403f7f10 R14: ffff95fb403f7f10 R15: ffff8e4485924000 <4>[ 46.689366] FS: 00007f713e51f580(0000) GS:ffff8e44fad00000(0000) knlGS:0000000000000000 <4>[ 46.698732] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 : G D W 5.10.207-cip41 #1 # [ 39.832716] Hardwar<4>[ 46.705452] CR2: 00007f713e329000 CR3: 0000000106092004 CR4: 00000000003706e0 <4>[ 46.719921] Call Trace: <4>[ 46.722964] ? __warn+0x80/0x110 e name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 39.839812]<4>[ 46.726867] ? refcount_warn_saturate+0x51/0x110 <4>[ 46.738525] ? report_bug+0x9e/0xc0 <4>[ 46.742736] ? handle_bug+0x41/0x90 <4>[ 46.746944] ? exc_invalid_op+0x14/0x70 <4>[ 46.751517] ? asm_exc_invalid_op+0x12/0x20 <4>[ 46.756484] ? refcount_warn_saturate+0x51/0x110 RIP: 0010:0xffff8e4484907b80 # [ 39.844481] Code: 00 00 02 0<4>[ 46.761958] ? refcount_warn_saturate+0x51/0x110 <4>[ 46.773613] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 <4>[ 46.779255] direct_entry.cold+0x2c/0x38 <4>[ 46.783929] full_proxy_write+0x53/0x80 <4>[ 46.788537] vfs_write+0xe7/0x3b0 <4>[ 46.792528] ksys_write+0x68/0xf0 <4>[ 46.796522] do_syscall_64+0x30/0x40 <4>[ 46.800830] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 46.806763] RIP: 0033:0x7f713e435473 <4>[ 46.811046] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 46.832321] RSP: 002b:00007ffc7833c678 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 46.841071] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f713e435473 <4>[ 46.849335] RDX: 0000000000000016 RSI: 00007f713e329000 RDI: 0000000000000001 <4>[ 46.857597] RBP: 00007f713e329000 R08: 00007f713e328010 R09: 0000000000000000 <4>[ 46.865862] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 46.874126] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 46.882394] irq event stamp: 0 0 00 00 00 00 00 00 e0 af 02 86 44 8e ff ff 04 00 00 00 00 00 00<4>[ 46.886119] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 46.899624] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 46.909054] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 00 00 00 00 00 00 00 00 00 eb f2 0f 97 ff ff ff ff <0f> 1f 44 0<4>[ 46.918485] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 46.931992] ---[ end trace 666ee677a86ad355 ]--- 0 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 3<6>[ 46.937440] lkdtm: Overflow detected: saturated 9.865746] RSP: 0018:ffff95fb42357e38 EFLAGS: 00010246 # [ 39.871860] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 39.880119] RDX: 0000000000000000 RSI: ffff8e44fad1bf50 RDI: ffff8e44fad1bf50 # [ 39.888379] RBP: ffff8e4484907b80 R08: 0000000000000000 R09: 0000000000000000 # [ 39.896654] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 39.904914] R13: ffff95fb42357f10 R14: ffff95fb42357f10 R15: ffff8e448316d000 # [ 39.913174] FS: 00007f6881d6f580(0000) GS:ffff8e44fad00000(0000) knlGS:0000000000000000 # [ 39.922502] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 39.929210] CR2: ffff8e4484907b80 CR3: 0000000104974006 CR4: 00000000003706e0 # [ 39.937463] Call Trace: # [ 39.940485] ? __die_body.cold+0x1a/0x1f # [ 39.945155] ? no_context+0x177/0x380 # [ 39.949532] ? exc_page_fault+0xd7/0x170 # [ 39.954201] ? asm_exc_page_fault+0x1e/0x30 # [ 39.959165] ? execute_location+0x45/0x56 # [ 39.963930] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 39.968879] ? direct_entry.cold+0x2c/0x38 # [ 39.973743] ? full_proxy_write+0x53/0x80 # [ 39.978509] <6>[ 47.058186] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW ? vfs_write+0xe7/0x3b0 # [ 39.982684] ? ksys_write+0x68/0xf<6>[ 47.067932] lkdtm: attempting good refcount_add() without overflow 0 # [ 39.986868] ? do_syscall_64+0x30/0x40 # [ 39.991341]<6>[ 47.081363] lkdtm: attempting bad refcount_add() overflow <4>[ 47.093875] ------------[ cut here ]------------ ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 39.997467] M<4>[ 47.099324] refcount_t: saturated; leaking memory. odules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_ang<4>[ 47.111207] WARNING: CPU: 1 PID: 2046 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 le cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf <4>[ 47.127113] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger cros_usbpd_charger videobuf2_vmalloc videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c cros_usbpd_notify i2c_hid coreboot_table chromeos_pstore cros_kbd_led_backlight industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros<4>[ 47.186068] CPU: 1 PID: 2046 Comm: cat Tainted: G D W 5.10.207-cip41 #1 _ec_chardev uvcvideo cros_usbpd_logger cros_usbpd_charger videob<4>[ 47.201231] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 uf2_vmalloc videobuf2_memops cros_ec_sensorhub snd_soc_da7219 vi<4>[ 47.214545] RIP: 0010:refcount_warn_saturate+0x51/0x110 deobuf2_v4l2 gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_com<4>[ 47.226885] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 39 fa 16 02 00 75 ee 48 c7 c7 88 d9 0d 99 c6 05 29 fa 16 02 01 e8 09 f0 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 15 fa 16 02 00 75 cb 48 c7 c7 b0 d9 0d mon snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c cros_<4>[ 47.254400] RSP: 0018:ffff95fb4295fe48 EFLAGS: 00010286 usbpd_notify i2c_hid coreboot_table chromeos_pstore cros_kbd_led<4>[ 47.266722] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 _backlight # [ 40.050245] CR2: ffff8e4484907b80 # [ 40.060<4>[ 47.281195] RDX: ffff8e44facac620 RSI: ffff8e44fac9bf50 RDI: ffff8e44fac9bf50 444] ---[ end trace 666ee677a86ad34b ]--- # [ 40.065888] RIP:<4>[ 47.295674] RBP: ffffffff99182dab R08: 0000000000000000 R09: 0000000000000000 <4>[ 47.310152] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 0010:lkdtm_BUG+0x5/0x10 # [ 40.070555] Code: 89 ff e8 5e d4 <4>[ 47.318417] R13: ffff95fb4295ff10 R14: ffff95fb4295ff10 R15: ffff8e448308e000 <4>[ 47.332891] FS: 00007f65d6b71580(0000) GS:ffff8e44fac80000(0000) knlGS:0000000000000000 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc c<4>[ 47.342226] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 47.355145] CR2: 00007f65d697b000 CR3: 0000000102bb4006 CR4: 00000000003706e0 c cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f <4>[ 47.363410] Call Trace: 84 00 00 00 00 00 0f 1f 44 00 00 83 05 f0 7d 0b 03 # [ 40.091<4>[ 47.372665] ? __warn+0x80/0x110 <4>[ 47.382770] ? refcount_warn_saturate+0x51/0x110 820] RSP: 0018:ffff95fb41347e60 EFLAGS: 00010286 # [ 40.09794<4>[ 47.388243] ? report_bug+0x9e/0xc0 <4>[ 47.398659] ? handle_bug+0x41/0x90 5] RAX: ffffffff97b7bf00 RBX: 0000000000000001 RCX: 000000000000<4>[ 47.402845] ? exc_invalid_op+0x14/0x70 0000 # [ 40.106205] RDX: 0000000000000000 RSI: ffff8e44fac9bf<4>[ 47.413629] ? asm_exc_invalid_op+0x12/0x20 50 RDI: ffffffff98cf84b0 # [ 40.114463] RBP: ffffffff991e8ec8<4>[ 47.424850] ? refcount_warn_saturate+0x51/0x110 <4>[ 47.436517] ? refcount_warn_saturate+0x51/0x110 R08: 0000000000000001 R09: 0000000000000001 # [ 40.122722] R<4>[ 47.441989] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 <4>[ 47.453841] direct_entry.cold+0x2c/0x38 10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004<4>[ 47.458516] full_proxy_write+0x53/0x80 # [ 40.130980] R13: ffff95fb41347f10 R14: ffff95fb41347f10 R<4>[ 47.469302] vfs_write+0xe7/0x3b0 15: ffff8e4482a20000 # [ 40.139240] FS: 00007f6881d6f580(000<4>[ 47.479506] ksys_write+0x68/0xf0 0) GS:ffff8e44fad00000(0000) knlGS:0000000000000000 # [ 40.14<4>[ 47.489728] do_syscall_64+0x30/0x40 8567] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 4<4>[ 47.500222] entry_SYSCALL_64_after_hwframe+0x62/0xc7 0.155271] CR2: ffff8e4484907b80 CR3: 0000000104974006 CR4: 00000<4>[ 47.512369] RIP: 0033:0x7f65d6a87473 000003706e0 # [ 40.163531] BUG: sleeping function called from<4>[ 47.522864] 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 invalid context at include/linux/percpu-rwsem.h:49 # [ 40.17<4>[ 47.550355] RSP: 002b:00007ffef0c12fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 3733] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 164<4>[ 47.565319] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f65d6a87473 8, name: cat # [ 40.182479] INFO: lockdep is turned off. # [<4>[ 47.579800] RDX: 0000000000000016 RSI: 00007f65d697b000 RDI: 0000000000000001 40.187147] irq event stamp: 0 # [ 40.190842] hardirqs last<4>[ 47.594279] RBP: 00007f65d697b000 R08: 00007f65d697a010 R09: 0000000000000000 enabled at (0): [<0000000000000000>] 0x0 # [ 40.198133] har<4>[ 47.608757] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 dirqs last disabled at (0): [] copy_process+0x<4>[ 47.623237] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 65c/0x20e0 # [ 40.207557] softirqs last enabled at (0): [[ 47.637721] irq event stamp: 0 ffffff970fd6cc>] copy_process+0x65c/0x20e0 # [ 40.216979] sof<4>[ 47.647648] hardirqs last enabled at (0): [<0000000000000000>] 0x0 tirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 40.2<4>[ 47.661165] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 24269] CPU: 2 PID: 1648 Comm: cat Tainted: G D W 5.<4>[ 47.676807] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 10.207-cip41 #1 # [ 40.233200] Hardware name: Google Rammus/R<4>[ 47.692450] softirqs last disabled at (0): [<0000000000000000>] 0x0 ammus, BIOS 09/04/2020 # [ 40.240295] Call Trace: # [ 40.<4>[ 47.705956] ---[ end trace 666ee677a86ad356 ]--- 243315] dump_stack+0x77/0x9b # [ 40.247305] ___might_sleep.<6>[ 47.717618] lkdtm: Overflow detected: saturated cold+0xa6/0xb6 # [ 40.252167] exit_signals+0x1c/0x300 # [ 40.256447] do_exit+0xc2/0xab0 # [ 40.260242] ? ksys_write+0x68/0xf0 # [ 40.264426] make_task_dead+0x2f/0x30 # [ 40.268802] rewind_stack_and_make_dead+0x17/0x20 # [ 40.274343] RIP: 0033:0x7f6881c85473 # [ 40.278622] 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 # [ 40.299895] RSP: 002b:00007fff607f6f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 40.308654] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f6881c85473 # [ 40.316915] RDX: 000000000000000d RSI: 00007f6881b79000 RDI: 0000000000000001 # [ 40.325174] RBP: 00007f6881b79000 R08: 00007f6881b78010 R09: 0000000000000000 # [ 40.333434] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 40.341707] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_KMALLOC: saw 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # selftests: lkdtm: EXEC_VMALLOC.sh # Killed # [ 40.456410] lkdtm: Performing direct entry EXEC_VMALLOC # [ 40.468033] l<6>[ 47.846274] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW kdtm: attempting ok execution at ffffffff97b7c2d0 # [ 40.4748<6>[ 47.855159] lkdtm: attempting bad refcount_inc_not_zero() overflow 55] lkdtm: attempting bad execution at ffff95fb40391000 # [ 4<4>[ 47.868571] ------------[ cut here ]------------ 0.487988] kernel tried to execute NX-protected page - exploit at<4>[ 47.880233] refcount_t: saturated; leaking memory. tempt? (uid: 0) # [ 40.496645] BUG: unable to handle page fau<4>[ 47.892123] WARNING: CPU: 1 PID: 2079 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 lt for address: ffff95fb40391000 # [ 40.510828] #PF: supervis<4>[ 47.908022] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger cros_usbpd_charger videobuf2_vmalloc videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c cros_usbpd_notify i2c_hid coreboot_table chromeos_pstore cros_kbd_led_backlight or instruction fetch in kernel mode # [ 40.517438] #PF: error<4>[ 47.967010] CPU: 1 PID: 2079 Comm: cat Tainted: G D W 5.10.207-cip41 #1 _code(0x0011) - permissions violation # [ 40.523950] PGD 1000<4>[ 47.982141] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 00067 P4D 100000067 PUD 100248067 PMD 1009f5067 PTE 800000010316<4>[ 47.995452] RIP: 0010:refcount_warn_saturate+0x97/0x110 e063 # [ 40.533281] Oops: 0011 [#8] SMP PTI # [ 40.537455]<4>[ 48.007795] Code: 02 01 e8 e6 ef c5 00 0f 0b c3 cc cc cc cc 80 3d f4 f9 16 02 00 75 a8 48 c7 c7 88 d9 0d 99 c6 05 e4 f9 16 02 01 e8 c3 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d ce f9 16 02 00 75 85 48 c7 c7 e0 d9 0d CPU: 3 PID: 1685 Comm: cat Tainted: G D W 5.10.207<4>[ 48.035286] RSP: 0018:ffff95fb429efe38 EFLAGS: 00010282 -cip41 #1 # [ 40.546396] Hardware name: Google Rammus/Rammus,<4>[ 48.047629] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 BIOS 09/04/2020 # [ 40.553494] RIP: 0010:0xffff95fb40391000<4>[ 48.062132] RDX: ffff8e44facac620 RSI: ffff8e44fac9bf50 RDI: ffff8e44fac9bf50 # [ 40.558154] Code: Unable to access opcode bytes at RIP 0x<4>[ 48.076611] RBP: ffffffff991829e8 R08: 0000000000000000 R09: 0000000000000000 ffff95fb40390fd6. # [ 40.566114] RSP: 0018:ffff95fb423ffe38 E<4>[ 48.091091] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f FLAGS: 00010246 # [ 40.572230] RAX: 0000000000000033 RBX: 000<4>[ 48.105571] R13: ffff95fb429eff10 R14: ffff95fb429eff10 R15: ffff8e44862a0000 0000000000001 RCX: 0000000000000000 # [ 40.580489] RDX: 00000<4>[ 48.120050] FS: 00007f4d131d0580(0000) GS:ffff8e44fac80000(0000) knlGS:0000000000000000 00000000000 RSI: ffff8e44fad9bf50 RDI: ffff8e44fad9bf50 # [ 4<4>[ 48.135598] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0.588747] RBP: ffff95fb40391000 R08: 0000000000000000 R09: 00000<4>[ 48.148524] CR2: 00007f4d12fda000 CR3: 00000001029f8004 CR4: 00000000003706e0 00000000000 # [ 40.597008] R10: 00000000ffffe000 R11: 3ffffff<4>[ 48.163005] Call Trace: fffffffff R12: 000000000000000d # [ 40.605268] R13: ffff95fb4<4>[ 48.172243] ? __warn+0x80/0x110 23fff10 R14: ffff95fb423fff10 R15: ffff8e448316e000 # [ 40.61<4>[ 48.182349] ? refcount_warn_saturate+0x97/0x110 3528] FS: 00007f9dd4960580(0000) GS:ffff8e44fad80000(0000) knlG<4>[ 48.194012] ? report_bug+0x9e/0xc0 S:0000000000000000 # [ 40.622855] CS: 0010 DS: 0000 ES: 0000<4>[ 48.204414] ? handle_bug+0x41/0x90 CR0: 0000000080050033 # [ 40.629561] CR2: ffff95fb40390fd6 C<4>[ 48.214812] ? exc_invalid_op+0x14/0x70 R3: 0000000102cb6001 CR4: 00000000003706e0 # [ 40.637821] Cal<4>[ 48.225600] ? asm_exc_invalid_op+0x12/0x20 l Trace: # [ 40.640842] ? __die_body.cold+0x1a/0x1f # [ 4<4>[ 48.236799] ? refcount_warn_saturate+0x97/0x110 0.645510] ? no_context+0x177/0x380 # [ 40.649880] ? exc_pag<4>[ 48.248443] ? refcount_warn_saturate+0x97/0x110 e_fault+0xd7/0x170 # [ 40.654548] ? asm_exc_page_fault+0x1e/<4>[ 48.260107] __refcount_add_not_zero.constprop.0+0x2a/0x35 0x30 # [ 40.659511] ? execute_location+0x45/0x56 # [ 40.6<4>[ 48.272742] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 64275] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 40.669225] ? dire<4>[ 48.285475] direct_entry.cold+0x2c/0x38 ct_entry.cold+0x2c/0x38 # [ 40.674089] ? full_proxy_write+0x<4>[ 48.296363] full_proxy_write+0x53/0x80 53/0x80 # [ 40.678858] ? vfs_write+0xe7/0x3b0 # [ 40.6892<4>[ 48.307151] vfs_write+0xe7/0x3b0 60] ? ksys_write+0x68/0xf0 # [ 40.693447] ? do_syscall_64+0<4>[ 48.317356] ksys_write+0x68/0xf0 x30/0x40 # [ 40.704132] ? entry_SYSCALL_64_after_hwframe+0x6<4>[ 48.327564] do_syscall_64+0x30/0x40 2/0xc7 # [ 40.710260] Modules linked in: fuse ip_tables cros_<4>[ 48.338062] entry_SYSCALL_64_after_hwframe+0x62/0xc7 ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_t<4>[ 48.350212] RIP: 0033:0x7f4d130e6473 riggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_deb<4>[ 48.360726] 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 ugfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger<4>[ 48.388217] RSP: 002b:00007ffd7a494238 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 cros_usbpd_charger videobuf2_vmalloc videobuf2_memops cros_ec_s<4>[ 48.403182] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f4d130e6473 ensorhub snd_soc_da7219 videobuf2_v4l2 gsmi cros_ec_dev x86_pkg_<4>[ 48.417665] RDX: 000000000000001f RSI: 00007f4d12fda000 RDI: 0000000000000001 temp_thermal videobuf2_common snd_soc_core snd_compress snd_pcm_<4>[ 48.432145] RBP: 00007f4d12fda000 R08: 00007f4d12fd9010 R09: 0000000000000000 dmaengine regmap_i2c cros_usbpd_notify i2c_hid coreboot_table ch<4>[ 48.446625] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 romeos_pstore cros_kbd_led_backlight # [ 40.769207] CR2: ffff<4>[ 48.461104] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 95fb40391000 # [ 40.773195] ---[ end trace 666ee677a86ad34c ]<4>[ 48.475588] irq event stamp: 0 --- # [ 40.778657] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 40.783<4>[ 48.485500] hardirqs last enabled at (0): [<0000000000000000>] 0x0 324] Code: 89 ff e8 5e d4 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7<4>[ 48.499009] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f <4>[ 48.514653] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05<4>[ 48.530299] softirqs last disabled at (0): [<0000000000000000>] 0x0 f0 7d 0b 03 # [ 40.804595] RSP: 0018:ffff95fb41347e60 EFLAGS<4>[ 48.543809] ---[ end trace 666ee677a86ad357 ]--- : 00010286 # [ 40.810711] RAX: ffffffff97b7bf00 RBX: 00000000<6>[ 48.555472] lkdtm: Overflow detected: saturated 00000001 RCX: 0000000000000000 # [ 40.818971] RDX: 0000000000000000 RSI: ffff8e44fac9bf50 RDI: ffffffff98cf84b0 # [ 40.827229] RBP: ffffffff991e8ec8 R08: 0000000000000001 R09: 0000000000000001 # [ 40.835488] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 40.843748] R13: ffff95fb41347f10 R14: ffff95fb41347f10 R15: ffff8e4482a20000 # [ 40.852010] FS: 00007f9dd4960580(0000) GS:ffff8e44fad80000(0000) knlGS:0000000000000000 # [ 40.861338] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 40.868045] CR2: ffff95fb40390fd6 CR3: 0000000102cb6001 CR4: 00000000003706e0 # EXEC_VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh # Killed # [ 40.984247] lkdtm: Performing direct entry EXEC_RODATA # [ 40.994258] lkdtm: attempting ok execution at ffffffff97b7c2d0 # [ 41.001078] lkdtm: attempting bad execution at ffffffff98cf8940 # [ 41.007999] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 41.016661] BUG: unable to handle page fault for address: ffffffff98cf8940 # [ 41.024645] #PF: supervisor instructi<6>[ 48.674468] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW on fetch in kernel mode # [ 41.031262] #PF: error_code(0x0011<6>[ 48.686809] lkdtm: attempting bad refcount_add_not_zero() overflow ) - permissions violation # [ 41.043988] PGD 160629067 P4D 16<4>[ 48.700239] ------------[ cut here ]------------ 0629067 PUD 16062a063 PMD 800000015fe000e1 # [ 41.052057] Oo<4>[ 48.711896] refcount_t: saturated; leaking memory. ps: 0011 [#9] SMP PTI # [ 41.056240] CPU: 3 PID: 1722 Comm: c<4>[ 48.723815] WARNING: CPU: 0 PID: 2112 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 at Tainted: G D W 5.10.207-cip41 #1 # [ 41.06518<4>[ 48.739713] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger cros_usbpd_charger videobuf2_vmalloc videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c cros_usbpd_notify i2c_hid coreboot_table chromeos_pstore cros_kbd_led_backlight 1] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ <4>[ 48.798688] CPU: 0 PID: 2112 Comm: cat Tainted: G D W 5.10.207-cip41 #1 41.072270] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 41.<4>[ 48.813825] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 078299] Code: ff ff cf 0b 26 98 ff ff ff ff 52 2f 18 99 ff ff ff<4>[ 48.827221] RIP: 0010:refcount_warn_saturate+0x97/0x110 ff 15 f3 25 98 ff ff ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 <4>[ 48.839498] Code: 02 01 e8 e6 ef c5 00 0f 0b c3 cc cc cc cc 80 3d f4 f9 16 02 00 75 a8 48 c7 c7 88 d9 0d 99 c6 05 e4 f9 16 02 01 e8 c3 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d ce f9 16 02 00 75 85 48 c7 c7 e0 d9 0d 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 54<4>[ 48.867025] RSP: 0018:ffff95fb42a5fe38 EFLAGS: 00010282 68 69 73 20 69 # [ 41.099571] RSP: 0018:ffff95fb4249fe48 EFL<4>[ 48.879356] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 AGS: 00010246 # [ 41.105708] RAX: 0000000000000033 RBX: 00000<4>[ 48.893900] RDX: ffff8e44fac2c620 RSI: ffff8e44fac1bf50 RDI: ffff8e44fac1bf50 00000000000 RCX: 0000000000000000 # [ 41.113967] RDX: 0000000<4>[ 48.908347] RBP: ffffffff99182a08 R08: 0000000000000000 R09: 0000000000000000 000000000 RSI: ffff8e44fad9bf50 RDI: ffff8e44fad9bf50 # [ 41.<4>[ 48.922856] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f 122226] RBP: ffffffff98cf8940 R08: 0000000000000000 R09: 0000000<4>[ 48.937331] R13: ffff95fb42a5ff10 R14: ffff95fb42a5ff10 R15: ffff8e448496c000 000000000 # [ 41.130485] R10: 00000000ffffe000 R11: 3ffffffff<4>[ 48.951837] FS: 00007ff0e487d580(0000) GS:ffff8e44fac00000(0000) knlGS:0000000000000000 fffffff R12: 000000000000000c # [ 41.138743] R13: ffff95fb424<4>[ 48.967379] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 9ff10 R14: ffff95fb4249ff10 R15: ffff8e44831c4000 # [ 41.1470<4>[ 48.980335] CR2: 00007ff0e4687000 CR3: 0000000102ac2006 CR4: 00000000003706f0 04] FS: 00007fb32dcac580(0000) GS:ffff8e44fad80000(0000) knlGS:<4>[ 48.994807] Call Trace: 0000000000000000 # [ 41.156333] CS: 0010 DS: 0000 ES: 0000 C<4>[ 49.004083] ? __warn+0x80/0x110 R0: 0000000080050033 # [ 41.163039] CR2: ffffffff98cf8940 CR3<4>[ 49.014185] ? refcount_warn_saturate+0x97/0x110 : 0000000103376006 CR4: 00000000003706e0 # [ 41.171298] Call <4>[ 49.025878] ? report_bug+0x9e/0xc0 Trace: # [ 41.174318] ? __die_body.cold+0x1a/0x1f # [ 41.<4>[ 49.036252] ? handle_bug+0x41/0x90 178990] ? no_context+0x177/0x380 # [ 41.189587] ? exc_page_<4>[ 49.046660] ? exc_invalid_op+0x14/0x70 fault+0xd7/0x170 # [ 41.200474] ? asm_exc_page_fault+0x1e/0x<4>[ 49.057463] ? asm_exc_invalid_op+0x12/0x20 30 # [ 41.205441] ? execute_location+0x45/0x56 # [ 41.216<4>[ 49.068678] ? refcount_warn_saturate+0x97/0x110 415] ? direct_entry.cold+0x2c/0x38 # [ 41.221279] ? full_pr<4>[ 49.080336] ? refcount_warn_saturate+0x97/0x110 oxy_write+0x53/0x80 # [ 41.226043] ? vfs_write+0xe7/0x3b0 #<4>[ 49.092027] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 41.230217] ? ksys_write+0x68/0xf0 # [ 41.234393] ? do_<4>[ 49.104654] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 syscall_64+0x30/0x40 # [ 41.238866] ? entry_SYSCALL_64_after<4>[ 49.117424] direct_entry.cold+0x2c/0x38 _hwframe+0x62/0xc7 # [ 41.244991] Modules linked in: fuse ip_<4>[ 49.128293] full_proxy_write+0x53/0x80 tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core in<4>[ 49.139104] vfs_write+0xe7/0x3b0 dustrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs<4>[ 49.149271] ksys_write+0x68/0xf0 cros_ec_debugfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_<4>[ 49.159477] do_syscall_64+0x30/0x40 usbpd_logger cros_usbpd_charger videobuf2_vmalloc videobuf2_memo<4>[ 49.170027] entry_SYSCALL_64_after_hwframe+0x62/0xc7 ps cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi cros_ec_<4>[ 49.182164] RIP: 0033:0x7ff0e4793473 dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compr<4>[ 49.192683] 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 ess snd_pcm_dmaengine regmap_i2c cros_usbpd_notify i2c_hid coreb<4>[ 49.220190] RSP: 002b:00007fff37f9a118 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 oot_table chromeos_pstore cros_kbd_led_backlight # [ 41.30397<4>[ 49.235156] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007ff0e4793473 9] CR2: ffffffff98cf8940 # [ 41.307959] ---[ end trace 666ee6<4>[ 49.249632] RDX: 000000000000001f RSI: 00007ff0e4687000 RDI: 0000000000000001 77a86ad34d ]--- # [ 41.313404] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 49.264128] RBP: 00007ff0e4687000 R08: 00007ff0e4686010 R09: 0000000000000000 # [ 41.318062] Code: 89 ff e8 5e d4 79 ff 48 c7 c0 ea ff ff ff<4>[ 49.278625] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff <4>[ 49.293108] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44<4>[ 49.307588] irq event stamp: 0 00 00 83 05 f0 7d 0b 03 # [ 41.339335] RSP: 0018:ffff95fb413<4>[ 49.317499] hardirqs last enabled at (0): [<0000000000000000>] 0x0 47e60 EFLAGS: 00010286 # [ 41.345459] RAX: ffffffff97b7bf00 R<4>[ 49.331017] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 BX: 0000000000000001 RCX: 0000000000000000 # [ 41.353719] RDX<4>[ 49.346655] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 : 0000000000000000 RSI: ffff8e44fac9bf50 RDI: ffffffff98cf84b0 <4>[ 49.362308] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 41.361978] RBP: ffffffff991e8ec8 R08: 0000000000000001 R09<4>[ 49.375808] ---[ end trace 666ee677a86ad358 ]--- : 0000000000000001 # [ 41.370237] R10: 00000000ffffe000 R11: <6>[ 49.387477] lkdtm: Overflow detected: saturated 3fffffffffffffff R12: 0000000000000004 # [ 41.378497] R13: ffff95fb41347f10 R14: ffff95fb41347f10 R15: ffff8e4482a20000 # [ 41.386757] FS: 00007fb32dcac580(0000) GS:ffff8e44fad80000(0000) knlGS:0000000000000000 # [ 41.396085] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 41.402790] CR2: ffffffff98cf8940 CR3: 0000000103376006 CR4: 00000000003706e0 # [ 41.411050] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 41.421251] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1722, name: cat # [ 41.429996] INFO: lockdep is turned off. # [ 41.434663] irq event stamp: 0 # [ 41.438359] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 41.445655] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 41.455081] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 41.464506] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 41.471795] CPU: 3 PID: 1722 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 41.480735] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 41.487829] Call Trace: # [ 41.490849] dump_stack+0x77/0x9b # [ 41.494840] ___might_sleep.cold+0xa6/0xb6 # [ 41.4<6>[ 49.522322] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO <6>[ 49.529967] lkdtm: attempting good refcount_dec() 99731] exit_signals+0x1c/0x300 # [ 41.504012] do_exit+0xc2/<6>[ 49.535514] lkdtm: attempting bad refcount_dec() to zero 0xab0 # [ 41.507808] ? ksys_write+0x68/0xf0 # [ 41.511992<4>[ 49.547960] ------------[ cut here ]------------ ] make_task_dead+0x2f/0x30 # [ 41.516368] rewind_stack_and_<4>[ 49.559612] refcount_t: decrement hit 0; leaking memory. make_dead+0x17/0x20 # [ 41.521907] RIP: 0033:0x7fb32dbc2473 <4>[ 49.572066] WARNING: CPU: 2 PID: 2145 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 41.526187] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0<4>[ 49.587990] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger cros_usbpd_charger videobuf2_vmalloc videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c cros_usbpd_notify i2c_hid coreboot_table chromeos_pstore cros_kbd_led_backlight <4>[ 49.647000] CPU: 2 PID: 2145 Comm: cat Tainted: G D W 5.10.207-cip41 #1 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 <4>[ 49.655960] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 49.669262] RIP: 0010:refcount_warn_saturate+0xfb/0x110 <4>[ 49.675412] Code: 38 da 0d 99 c6 05 95 f9 16 02 01 e8 79 ef c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 08 da 0d 99 c6 05 7c f9 16 02 01 e8 5f ef 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>[ 49.696703] RSP: 0018:ffff95fb42af7e48 EFLAGS: 00010286 <4>[ 49.702829] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 <4>[ 49.711093] RDX: ffff8e44fad2c620 RSI: ffff8e44fad1bf50 RDI: ffff8e44fad1bf50 <4>[ 49.719356] RBP: ffffffff99182dc1 R08: 0000000000000000 R09: 0000000000000000 <4>[ 49.727619] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 <4>[ 49.735883] R13: ffff95fb42af7f10 R14: ffff95fb42af7f10 R15: ffff8e44836f5000 <4>[ 49.744148] FS: 00007f8b93c3f580(0000) GS:ffff8e44fad00000(0000) knlGS:0000000000000000 <4>[ 49.753480] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 49.760188] CR2: 00007f8b93a49000 CR3: 00000001034b2006 CR4: 00000000003706e0 <4>[ 49.768450] Call Trace: <4>[ 49.771474] ? __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>[ 49.775395] ? refcount_warn_saturate+0xfb/0x110 <4>[ 49.787051] ? report_bug+0x9e/0xc0 <4>[ 49.791238] ? handle_bug+0x41/0x90 <4>[ 49.795455] ? exc_invalid_op+0x14/0x70 <4>[ 49.800028] ? asm_exc_invalid_op+0x12/0x20 <4>[ 49.805018] ? refcount_warn_saturate+0xfb/0x110 83 ec 28 48 89 54 24 18 # [ 41.547457] RSP: 002b:00007fffd06<4>[ 49.810493] ? refcount_warn_saturate+0xfb/0x110 <4>[ 49.822148] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd <4>[ 49.827402] direct_entry.cold+0x2c/0x38 66cf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 41.5562<4>[ 49.832079] full_proxy_write+0x53/0x80 05] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fb32db<4>[ 49.842866] vfs_write+0xe7/0x3b0 c2473 # [ 41.564464] RDX: 000000000000000c RSI: 00007fb32dab6<4>[ 49.853072] ksys_write+0x68/0xf0 <4>[ 49.863281] do_syscall_64+0x30/0x40 <4>[ 49.867592] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 49.873528] RIP: 0033:0x7f8b93b55473 <4>[ 49.877810] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 49.899087] RSP: 002b:00007ffeadd4d5b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 49.907837] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f8b93b55473 <4>[ 49.916100] RDX: 0000000000000012 RSI: 00007f8b93a49000 RDI: 0000000000000001 <4>[ 49.924362] RBP: 00007f8b93a49000 R08: 00007f8b93a48010 R09: 0000000000000000 <4>[ 49.932626] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 49.940912] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 49.949178] irq event stamp: 0 000 RDI: 0000000000000001 # [ 41.572725] RBP: 00007fb32dab600<4>[ 49.952903] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 49.966404] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 49.975833] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 49.985260] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 49.992551] ---[ end trace 666ee677a86ad359 ]--- <6>[ 49.997998] lkdtm: Zero detected: saturated 0 R08: 00007fb32dab5010 R09: 0000000000000000 # [ 41.580984] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 41.589243] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_RODATA: saw 'call trace:': ok ok 34 selftests: lkdtm: EXEC_RODATA.sh # selftests: lkdtm: EXEC_USERSPACE.sh # Killed # [ 41.712966] lkdtm: Performing direct entry EXEC_USERSPACE # [ 41.721979] lkdtm: attempting ok execution at ffffffff97b7c2d0 # [ 41.728791] lkdtm: attempting bad execution at 00007f3d43e26000 # [ 41.741928] unable to execute userspace code (SMEP?) (uid: 0) # [ 41.748639] BUG: unable to handle page fault for address: 00007f3d43e26000 # [ 41.762823] #PF: supervisor instruction fetch in kernel mode # [ 41.769434] #PF: error_code(0x0011) - permissions violation # [ 41.775948] PGD 8000000102a2e067 P4D 8000000102a2e067 PUD 102bde067 PMD 102d2c067 PTE 10b2a8067 # [ 41.792178] Oops: 0011 [#10] SMP PTI # [ 41.796460] CPU: 2 PID: 1759 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 41.805403] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 41.812502] RIP: 0010:0x7f3d43e26000 # [ 41.816783] Code: Unable to access opcode bytes at RIP 0x7f3d43e25fd6. # [ 41.830579] RSP: 001<6>[ 50.124219] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE <6>[ 50.134425] lkdtm: attempting bad refcount_dec() below zero <4>[ 50.140952] ------------[ cut here ]------------ 8:ffff95fb4251fe50 EFLAGS: 00010246 # [ 41.836709] RAX: 00000<4>[ 50.146409] refcount_t: decrement hit 0; leaking memory. 00000000033 RBX: 0000000000000024 RCX: 0000000000000000 # [ 4<4>[ 50.158858] WARNING: CPU: 2 PID: 2181 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 1.844969] RDX: 0000000000000000 RSI: ffff8e44fad1bf50 RDI: ffff8<4>[ 50.174782] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger cros_usbpd_charger videobuf2_vmalloc videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c cros_usbpd_notify i2c_hid coreboot_table chromeos_pstore cros_kbd_led_backlight <4>[ 50.233799] CPU: 2 PID: 2181 Comm: cat Tainted: G D W 5.10.207-cip41 #1 e44fad1bf50 # [ 41.853229] RBP: 00007f3d43e26000 R08: 0000000<4>[ 50.242755] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 50.256062] RIP: 0010:refcount_warn_saturate+0xfb/0x110 <4>[ 50.262189] Code: 38 da 0d 99 c6 05 95 f9 16 02 01 e8 79 ef c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 08 da 0d 99 c6 05 7c f9 16 02 01 e8 5f ef 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>[ 50.283464] RSP: 0018:ffff95fb42b8fe48 EFLAGS: 00010286 <4>[ 50.289591] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 <4>[ 50.297855] RDX: ffff8e44fad2c620 RSI: ffff8e44fad1bf50 RDI: ffff8e44fad1bf50 <4>[ 50.306117] RBP: ffffffff99182dd3 R08: 0000000000000000 R09: 0000000000000000 <4>[ 50.314381] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 <4>[ 50.322657] R13: ffff95fb42b8ff10 R14: ffff95fb42b8ff10 R15: ffff8e44855ca000 000000000 R09: 0000000000000000 # [ 41.861490] R10: 00000000f<4>[ 50.330922] FS: 00007f8b87d53580(0000) GS:ffff8e44fad00000(0000) knlGS:0000000000000000 <4>[ 50.346462] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 50.353170] CR2: 00007f8b87b5d000 CR3: 0000000106524001 CR4: 00000000003706e0 <4>[ 50.361433] Call Trace: <4>[ 50.364454] ? __warn+0x80/0x110 <4>[ 50.368377] ? refcount_warn_saturate+0xfb/0x110 <4>[ 50.373825] ? report_bug+0x9e/0xc0 <4>[ 50.378013] ? handle_bug+0x41/0x90 <4>[ 50.382197] ? exc_invalid_op+0x14/0x70 <4>[ 50.386771] ? asm_exc_invalid_op+0x12/0x20 <4>[ 50.391744] ? refcount_warn_saturate+0xfb/0x110 <4>[ 50.397222] ? refcount_warn_saturate+0xfb/0x110 <4>[ 50.402672] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 <4>[ 50.408314] direct_entry.cold+0x2c/0x38 <4>[ 50.412986] full_proxy_write+0x53/0x80 <4>[ 50.417584] vfs_write+0xe7/0x3b0 fffe000 R11: 3fffffffffffffff R12: 000000000000000f # [ 41.86<4>[ 50.421577] ksys_write+0x68/0xf0 9748] R13: ffff95fb4251ff10 R14: ffff95fb4251ff10 R15: ffff8e448<4>[ 50.431784] do_syscall_64+0x30/0x40 498d000 # [ 41.878009] FS: 00007f3d43df7580(0000) GS:ffff8e4<4>[ 50.442278] entry_SYSCALL_64_after_hwframe+0x62/0xc7 4fad00000(0000) knlGS:0000000000000000 # [ 41.887328] CS: 00<4>[ 50.454428] RIP: 0033:0x7f8b87c69473 10 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 41.894033] CR2<4>[ 50.464929] 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 : 00007f3d43e26000 CR3: 0000000102cc8006 CR4: 00000000003706e0 <4>[ 50.492420] RSP: 002b:00007ffc398ffa38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 50.507386] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f8b87c69473 # [ 41.902292] Call Trace: # [ 41.905313] ? __die_body.col<4>[ 50.515651] RDX: 0000000000000016 RSI: 00007f8b87b5d000 RDI: 0000000000000001 <4>[ 50.530125] RBP: 00007f8b87b5d000 R08: 00007f8b87b5c010 R09: 0000000000000000 d+0x1a/0x1f # [ 41.909981] ? no_context+0x177/0x380 # [ 4<4>[ 50.538388] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 50.552863] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 1.914361] ? exc_page_fault+0x53/0x170 # [ 41.919030] ? asm_<4>[ 50.561130] irq event stamp: 0 exc_page_fault+0x1e/0x30 # [ 41.923994] ? lkdtm_EXEC_USERSPA<4>[ 50.571035] hardirqs last enabled at (0): [<0000000000000000>] 0x0 CE.cold+0x66/0xae # [ 41.929634] ? direct_entry.cold+0x2c/0x<4>[ 50.584546] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 50.600191] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 38 # [ 41.934501] ? full_proxy_write+0x53/0x80 # [ 41.939<4>[ 50.609620] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 50.623122] ---[ end trace 666ee677a86ad35a ]--- <6>[ 50.628572] lkdtm: Negative detected: saturated 269] ? vfs_write+0xe7/0x3b0 # [ 41.949664] ? ksys_write+0x68/0xf0 # [ 41.953849] ? do_syscall_64+0x30/0x40 # [ 41.958314] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 41.964441] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger cros_usbpd_charger videobuf2_vmalloc videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c cros_usbpd_notify i2c_hid coreboot_table chromeos_pstore cros_kbd_led_backlight # [ 42.017219] CR2: 00007f3d43e26000 # [ 42.027420] ---[ end trace 666ee677a86ad34e ]--- # [ 42.032857] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 42.037524] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 # [ 42.058795] RSP: 0018:ffff95fb41347e60 EFLAGS: 00010286 # [ 42.064917] RAX: ffffffff97b7bf00 RBX: 0000000000000001 RCX: 0000000000000000 # [ 42.073178] RDX: 0000000000000000 RSI: ffff8e44f<6>[ 50.755464] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE <6>[ 50.766189] lkdtm: attempting bad refcount_dec_and_test() below zero <4>[ 50.773609] ------------[ cut here ]------------ ac9bf50 RDI: ffffffff98cf84b0 # [ 42.081436] RBP: ffffffff991<4>[ 50.779061] refcount_t: underflow; use-after-free. e8ec8 R08: 0000000000000001 R09: 0000000000000001 # [ 42.0897<4>[ 50.790930] WARNING: CPU: 2 PID: 2217 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 08] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000000<4>[ 50.806853] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger cros_usbpd_charger videobuf2_vmalloc videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c cros_usbpd_notify i2c_hid coreboot_table chromeos_pstore cros_kbd_led_backlight <4>[ 50.865866] CPU: 2 PID: 2217 Comm: cat Tainted: G D W 5.10.207-cip41 #1 00004 # [ 42.097969] R13: ffff95fb41347f10 R14: ffff95fb41347<4>[ 50.874820] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 50.888128] RIP: 0010:refcount_warn_saturate+0xba/0x110 <4>[ 50.894254] Code: 02 01 e8 c3 ef c5 00 0f 0b c3 cc cc cc cc 80 3d ce f9 16 02 00 75 85 48 c7 c7 e0 d9 0d 99 c6 05 be f9 16 02 01 e8 a0 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d a9 f9 16 02 00 0f 85 5e ff ff ff 48 c7 <4>[ 50.915530] RSP: 0018:ffff95fb42c27e40 EFLAGS: 00010286 <4>[ 50.921659] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 <4>[ 50.929922] RDX: ffff8e44fad2c620 RSI: ffff8e44fad1bf50 RDI: ffff8e44fad1bf50 <4>[ 50.938183] RBP: ffffffff99182a28 R08: 0000000000000000 R09: 0000000000000000 <4>[ 50.946445] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f <4>[ 50.954717] R13: ffff95fb42c27f10 R14: ffff95fb42c27f10 R15: ffff8e44840ed000 <4>[ 50.962978] FS: 00007f706fa6d580(0000) GS:ffff8e44fad00000(0000) knlGS:0000000000000000 <4>[ 50.972309] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 50.979016] CR2: 00007f706f877000 CR3: 0000000106548004 CR4: 00000000003706e0 <4>[ 50.987269] Call Trace: <4>[ 50.990291] ? __warn+0x80/0x110 <4>[ 50.994208] ? refcount_warn_saturate+0xba/0x110 <4>[ 50.999661] ? report_bug+0x9e/0xc0 <4>[ 51.003846] ? handle_bug+0x41/0x90 <4>[ 51.008054] ? exc_invalid_op+0x14/0x70 <4>[ 51.012626] ? asm_exc_invalid_op+0x12/0x20 <4>[ 51.017614] ? refcount_warn_saturate+0xba/0x110 <4>[ 51.023086] __refcount_sub_and_test.constprop.0+0x3c/0x50 <4>[ 51.029506] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 <4>[ 51.036020] direct_entry.cold+0x2c/0x38 <4>[ 51.040723] full_proxy_write+0x53/0x80 <4>[ 51.045331] vfs_write+0xe7/0x3b0 <4>[ 51.049322] ksys_write+0x68/0xf0 f10 R15: ffff8e4482a20000 # [ 42.106230] FS: 00007f3d43df758<4>[ 51.053317] do_syscall_64+0x30/0x40 0(0000) GS:ffff8e44fad00000(0000) knlGS:0000000000000000 # [ <4>[ 51.063812] entry_SYSCALL_64_after_hwframe+0x62/0xc7 42.115557] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # <4>[ 51.075960] RIP: 0033:0x7f706f983473 <4>[ 51.086459] 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>[ 51.107734] RSP: 002b:00007fffd48c3a78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 51.116484] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f706f983473 <4>[ 51.124746] RDX: 000000000000001f RSI: 00007f706f877000 RDI: 0000000000000001 <4>[ 51.133009] RBP: 00007f706f877000 R08: 00007f706f876010 R09: 0000000000000000 <4>[ 51.141271] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 51.149533] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 51.157791] irq event stamp: 0 <4>[ 51.161513] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 51.168804] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 51.178232] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 51.187660] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 42.122263] CR2: 00007f3d43e26000 CR3: 0000000102cc8006 CR4: <4>[ 51.194953] ---[ end trace 666ee677a86ad35b ]--- <6>[ 51.206611] lkdtm: Negative detected: saturated 00000000003706e0 # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh # Killed # [ 42.222534] lkdtm: Performing direct entry EXEC_NULL # [ 42.229631] lkdtm: attempting ok execution at ffffffff97b7c2d0 # [ 42.236451] lkdtm: attempting bad execution at 0000000000000000 # [ 42.243393] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 42.251484] #PF: supervisor instruction fetch in kernel mode # [ 42.264305] #PF: error_code(0x0010) - not-present page # [ 42.270331] PGD 0 P4D 0 # [ 42.273447] Oops: 0010 [#11] SMP PTI # [ 42.277718] CPU: 3 PID: 1796 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 42.286657] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 42.293751] RIP: 0010:0x0 # [ 42.296962] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. # [ 42.304931] RSP: 0018:ffff95fb42597e48 EFLAGS: 00010246 # [ 42.311054] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 42.319312] RDX: 0000000000000000 RSI: ffff8e44fad9bf50 RDI: ffff8e44fad9bf50 # [ 42.327572] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 # [ 42.335833] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 42.344093] R13: ffff95fb42597f10 R14<6>[ 51.339118] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE : ffff95fb42597f10 R15: ffff8e4482da0000 # [ 42.352355] FS: <6>[ 51.350404] lkdtm: attempting bad refcount_sub_and_test() below zero 00007faa9c3fe580(0000) GS:ffff8e44fad80000(0000) knlGS:000000000<4>[ 51.364033] ------------[ cut here ]------------ 0000000 # [ 42.361674] CS: 0010 DS: 0000 ES: 0000 CR0: 00000<4>[ 51.375691] refcount_t: underflow; use-after-free. 00080050033 # [ 42.368372] CR2: ffffffffffffffd6 CR3: 0000000<4>[ 51.387594] WARNING: CPU: 0 PID: 2253 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 1064ba004 CR4: 00000000003706e0 # [ 42.376647] Call Trace: #<4>[ 51.403494] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger cros_usbpd_charger videobuf2_vmalloc videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c cros_usbpd_notify i2c_hid coreboot_table chromeos_pstore cros_kbd_led_backlight [ 42.379677] ? __die_body.cold+0x1a/0x1f # [ 42.390554] <4>[ 51.462475] CPU: 0 PID: 2253 Comm: cat Tainted: G D W 5.10.207-cip41 #1 ? no_context+0x177/0x380 # [ 42.394934] ? exc_page_fault+0x5<4>[ 51.477707] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 3/0x170 # [ 42.399601] ? asm_exc_page_fault+0x1e/0x30 # [ <4>[ 51.490916] RIP: 0010:refcount_warn_saturate+0xba/0x110 42.404563] execute_location+0x45/0x56 # [ 42.409134] direc<4>[ 51.503283] Code: 02 01 e8 c3 ef c5 00 0f 0b c3 cc cc cc cc 80 3d ce f9 16 02 00 75 85 48 c7 c7 e0 d9 0d 99 c6 05 be f9 16 02 01 e8 a0 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d a9 f9 16 02 00 0f 85 5e ff ff ff 48 c7 t_entry.cold+0x2c/0x38 # [ 42.413803] full_proxy_write+0x53/<4>[ 51.530747] RSP: 0018:ffff95fb42cbfe40 EFLAGS: 00010286 0x80 # [ 42.418376] vfs_write+0xe7/0x3b0 # [ 42.422363] <4>[ 51.543136] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 ksys_write+0x68/0xf0 # [ 42.426353] do_syscall_64+0x30/0x40 <4>[ 51.557596] RDX: ffff8e44fac2c620 RSI: ffff8e44fac1bf50 RDI: ffff8e44fac1bf50 # [ 42.430635] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [<4>[ 51.572127] RBP: ffffffff99182a48 R08: 0000000000000000 R09: 0000000000000000 42.436566] RIP: 0033:0x7faa9c314473 # [ 42.440848] Code: 8<4>[ 51.586615] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f<4>[ 51.601105] R13: ffff95fb42cbff10 R14: ffff95fb42cbff10 R15: ffff8e4485b00000 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48<4>[ 51.615586] FS: 00007f5e8f555580(0000) GS:ffff8e44fac00000(0000) knlGS:0000000000000000 > 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18<4>[ 51.631167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 42.462123] RSP: 002b:00007fffb1ff68d8 EFLAGS: 00000246 O<4>[ 51.644061] CR2: 00007f5e8f35f000 CR3: 00000001060c4004 CR4: 00000000003706f0 RIG_RAX: 0000000000000001 # [ 42.470868] RAX: ffffffffffffffd<4>[ 51.658545] Call Trace: a RBX: 000000000000000a RCX: 00007faa9c314473 # [ 42.479126] <4>[ 51.667788] ? __warn+0x80/0x110 RDX: 000000000000000a RSI: 00007faa9c208000 RDI: 000000000000000<4>[ 51.677905] ? refcount_warn_saturate+0xba/0x110 1 # [ 42.487385] RBP: 00007faa9c208000 R08: 00007faa9c207010 <4>[ 51.689561] ? report_bug+0x9e/0xc0 R09: 0000000000000000 # [ 42.495655] R10: fffffffffffffbc5 R1<4>[ 51.699970] ? handle_bug+0x41/0x90 1: 0000000000000246 R12: 0000000000000001 # [ 42.503914] R13:<4>[ 51.710367] ? exc_invalid_op+0x14/0x70 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 #<4>[ 51.721170] ? asm_exc_invalid_op+0x12/0x20 [ 42.512179] Modules linked in: fuse ip_tables cros_ec_sensor<4>[ 51.732346] ? refcount_warn_saturate+0xba/0x110 s cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_<4>[ 51.744016] __refcount_sub_and_test.constprop.0+0x3c/0x50 buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros<4>[ 51.756643] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b _ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger cros_usb<4>[ 51.769388] direct_entry.cold+0x2c/0x38 pd_charger videobuf2_vmalloc videobuf2_memops cros_ec_sensorhub <4>[ 51.780258] full_proxy_write+0x53/0x80 snd_soc_da7219 videobuf2_v4l2 gsmi cros_ec_dev x86_pkg_temp_ther<4>[ 51.791079] vfs_write+0xe7/0x3b0 mal videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine<4>[ 51.801266] ksys_write+0x68/0xf0 regmap_i2c cros_usbpd_notify i2c_hid coreboot_table chromeos_ps<4>[ 51.811507] do_syscall_64+0x30/0x40 tore cros_kbd_led_backlight # [ 42.571163] CR2: 0000000000000<4>[ 51.821980] entry_SYSCALL_64_after_hwframe+0x62/0xc7 000 # [ 42.575143] ---[ end trace 666ee677a86ad34f ]--- # [ <4>[ 51.834141] RIP: 0033:0x7f5e8f46b473 42.580589] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 42.585257] Code<4>[ 51.844640] 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 : 89 ff e8 5e d4 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff<4>[ 51.872132] RSP: 002b:00007ffefd6c78d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <4>[ 51.887099] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f5e8f46b473 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 f0 7d 0b<4>[ 51.901561] RDX: 000000000000001f RSI: 00007f5e8f35f000 RDI: 0000000000000001 03 # [ 42.606527] RSP: 0018:ffff95fb41347e60 EFLAGS: 0001028<4>[ 51.916078] RBP: 00007f5e8f35f000 R08: 00007f5e8f35e010 R09: 0000000000000000 <4>[ 51.930520] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 6 # [ 42.612660] RAX: ffffffff97b7bf00 RBX: 0000000000000001 <4>[ 51.938808] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 RCX: 0000000000000000 # [ 42.620919] RDX: 0000000000000000 RS<4>[ 51.953300] irq event stamp: 0 I: ffff8e44fac9bf50 RDI: ffffffff98cf84b0 # [ 42.629180] RBP:<4>[ 51.963206] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ffffffff991e8ec8 R08: 0000000000000001 R09: 0000000000000001 #<4>[ 51.976741] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 [ 42.637439] R10: 00000000ffffe000 R11: 3fffffffffffffff R12:<4>[ 51.992347] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 0000000000000004 # [ 42.645706] R13: ffff95fb41347f10 R14: f<4>[ 52.007992] softirqs last disabled at (0): [<0000000000000000>] 0x0 fff95fb41347f10 R15: ffff8e4482a20000 # [ 42.653966] FS: 000<4>[ 52.021539] ---[ end trace 666ee677a86ad35c ]--- 07faa9c3fe580(0000) GS:ffff8e44fad80000(0000) knlGS:000000000000<6>[ 52.033166] lkdtm: Negative detected: saturated 0000 # [ 42.663285] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 42.669991] CR2: ffffffffffffffd6 CR3: 00000001064ba004 CR4: 00000000003706e0 # [ 42.678253] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 42.688457] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1796, name: cat # [ 42.697201] INFO: lockdep is turned off. # [ 42.701868] irq event stamp: 0 # [ 42.705562] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 42.712853] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 42.722278] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 42.731713] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 42.739002] CPU: 3 PID: 1796 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 42.747943] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 42.755037] Call Trace: # [ 42.758054] dump_stack+0x77/0x9b # [ 42.762043] ___might_sleep.cold+0xa6/0xb6 # [ 42.766897] exit_signals+0x1c/0x300 # [ 42.771167] do_exit+0xc2/0xab0 # [ 42.774961] ? ksys_write+0x68/0xf0 # [ 42.779143] make_task_dead+0x2f/0x30 # [ 42.783511] rewind_stack_and_make_dead+0x17/0x20 # [ 42.789051] RIP: 0033:0x7faa9c314473 # [ 42.793330] 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 # [ 42.814601] RSP: 002b:00007fffb1ff68d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 42.823346] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007faa9c314473 # [ 42.831604] RDX: 000000000000000a RSI: 00007faa9c208000 RDI: 0000000000000001 # [ 42.839863] RBP: 00007faa9c208000 R08: 00007faa9c2070<6>[ 52.219661] lkdtm: Performing direct entry REFCOUNT_INC_ZERO <6>[ 52.231693] lkdtm: attempting safe refcount_inc_not_zero() from zero <6>[ 52.239095] lkdtm: Good: zero detected <6>[ 52.243588] lkdtm: Correctly stayed at zero <6>[ 52.248565] lkdtm: attempting bad refcount_inc() from zero <4>[ 52.254994] ------------[ cut here ]------------ <4>[ 52.260449] refcount_t: addition on 0; use-after-free. <4>[ 52.266509] WARNING: CPU: 2 PID: 2286 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 10 R09: 0000000000000000 # [ 42.848122] R10: fffffffffffffbc5<4>[ 52.276235] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger cros_usbpd_charger videobuf2_vmalloc videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c cros_usbpd_notify i2c_hid coreboot_table chromeos_pstore cros_kbd_led_backlight <4>[ 52.335187] CPU: 2 PID: 2286 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 52.344161] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 52.351264] RIP: 0010:refcount_warn_saturate+0x74/0x110 <4>[ 52.357422] Code: 02 01 e8 09 f0 c5 00 0f 0b c3 cc cc cc cc 80 3d 15 fa 16 02 00 75 cb 48 c7 c7 b0 d9 0d 99 c6 05 05 fa 16 02 01 e8 e6 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d f4 f9 16 02 00 75 a8 48 c7 c7 88 d9 0d <4>[ 52.378712] RSP: 0018:ffff95fb42d37e48 EFLAGS: 00010286 <4>[ 52.384839] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 <4>[ 52.393104] RDX: ffff8e44fad2c620 RSI: ffff8e44fad1bf50 RDI: ffff8e44fad1bf50 <4>[ 52.401371] RBP: ffffffff99182de9 R08: 0000000000000000 R09: 0000000000000000 <4>[ 52.409656] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 <4>[ 52.417920] R13: ffff95fb42d37f10 R14: ffff95fb42d37f10 R15: ffff8e44831a5000 <4>[ 52.426184] FS: 00007f2f5c781580(0000) GS:ffff8e44fad00000(0000) knlGS:0000000000000000 <4>[ 52.435517] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 52.442230] CR2: 00007f2f5c58b000 CR3: 0000000102faa004 CR4: 00000000003706e0 <4>[ 52.450492] Call Trace: <4>[ 52.453516] ? __warn+0x80/0x110 <4>[ 52.457442] ? refcount_warn_saturate+0x74/0x110 <4>[ 52.462923] ? report_bug+0x9e/0xc0 <4>[ 52.467142] ? handle_bug+0x41/0x90 R11: 0000000000000246 R12: 0000000000000001 # [ 42.856382] R<4>[ 52.471357] ? exc_invalid_op+0x14/0x70 <4>[ 52.482140] ? asm_exc_invalid_op+0x12/0x20 <4>[ 52.487106] ? refcount_warn_saturate+0x74/0x110 13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000<4>[ 52.492581] ? refcount_warn_saturate+0x74/0x110 # EXEC_NULL: saw 'call trace:': ok ok 36 selftests: lkdtm: EX<4>[ 52.504239] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 EC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.sh # Killed #<4>[ 52.515707] direct_entry.cold+0x2c/0x38 <4>[ 52.526597] full_proxy_write+0x53/0x80 [ 42.991561] lkdtm: Performing direct entry ACCESS_USERSPACE <4>[ 52.531201] vfs_write+0xe7/0x3b0 <4>[ 52.541401] ksys_write+0x68/0xf0 <4>[ 52.545423] do_syscall_64+0x30/0x40 <4>[ 52.549715] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 52.555661] RIP: 0033:0x7f2f5c697473 <4>[ 52.559946] 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>[ 52.581245] RSP: 002b:00007ffe4b3df308 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 43.001781] lkdtm: attempting bad read at 00007fc33f4e5000<4>[ 52.590011] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f2f5c697473 <4>[ 52.604478] RDX: 0000000000000012 RSI: 00007f2f5c58b000 RDI: 0000000000000001 <4>[ 52.612744] RBP: 00007f2f5c58b000 R08: 00007f2f5c58a010 R09: 0000000000000000 <4>[ 52.621006] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 52.629270] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 52.637540] irq event stamp: 0 # [ 43.008211] BUG: unable to handle page fault for address:<4>[ 52.641259] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 52.654763] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 52.664221] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 52.673663] softirqs last disabled at (0): [<0000000000000000>] 0x0 00007fc33f4e5000 # [ 43.016187] #PF: supervisor read access <4>[ 52.680962] ---[ end trace 666ee677a86ad35d ]--- <6>[ 52.692619] lkdtm: Zero detected: saturated in kernel mode # [ 43.022215] #PF: error_code(0x0001) - permissions violation # [ 43.028727] PGD 8000000106096067 P4D 8000000106096067 PUD 1040ef067 PMD 105a5b067 PTE 10afc2067 # [ 43.044954] Oops: 0001 [#12] SMP PTI # [ 43.049234] CPU: 2 PID: 1832 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 43.058175] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 43.065274] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 43.078003] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 70 3c 18 99 e8 24 d8 fb ff 48 c7 c7 98 3c 18 99 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 0b d8 fb ff 48 89 ee 48 c7 c7 c0 3c 18 # [ 43.099277] RSP: 0018:ffff95fb4261fe48 EFLAGS: 00010246 # [ 43.105392] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 # [ 43.113655] RDX: 0000000000000000 RSI: ffff8e44fad1bf50 RDI: ffffffff99183c98 # [ 43.121915] RBP: 00007fc33f4e5000 R08: 0000000000000000 R09: 0000000000000000 # [ 43.130174] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 # [ 43.138434] R13: ffff95fb4261ff10 R14: ffff95fb4261ff10 R15: ffff8e4483e30000 # [ 43.146711] FS: 00007fc33f4b6580(0000) GS:ffff8e44fad0<6>[ 52.815643] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO <6>[ 52.822440] lkdtm: attempting safe refcount_add_not_zero() from zero <6>[ 52.829832] lkdtm: Good: zero detected 0000(0000) knlGS:0000000000000000 # [ 43.156040] CS: 0010 DS<6>[ 52.834311] lkdtm: Correctly stayed at zero <6>[ 52.845486] lkdtm: attempting bad refcount_add() from zero : 0000 ES: 0000 CR0: 0000000080050033 # [ 43.162744] CR2: 000<4>[ 52.851906] ------------[ cut here ]------------ <4>[ 52.863568] refcount_t: addition on 0; use-after-free. 07fc33f4e5000 CR3: 0000000104950005 CR4: 00000000003706e0 # [ <4>[ 52.869663] WARNING: CPU: 2 PID: 2319 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 43.171003] Call Trace: # [ 43.174023] ? __die_body.cold+0x1<4>[ 52.885599] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger cros_usbpd_charger videobuf2_vmalloc videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c cros_usbpd_notify i2c_hid coreboot_table chromeos_pstore cros_kbd_led_backlight <4>[ 52.944621] CPU: 2 PID: 2319 Comm: cat Tainted: G D W 5.10.207-cip41 #1 a/0x1f # [ 43.178705] ? no_context+0x177/0x380 # [ 43.183<4>[ 52.953578] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 52.966889] RIP: 0010:refcount_warn_saturate+0x74/0x110 <4>[ 52.973041] Code: 02 01 e8 09 f0 c5 00 0f 0b c3 cc cc cc cc 80 3d 15 fa 16 02 00 75 cb 48 c7 c7 b0 d9 0d 99 c6 05 05 fa 16 02 01 e8 e6 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d f4 f9 16 02 00 75 a8 48 c7 c7 88 d9 0d <4>[ 52.994347] RSP: 0018:ffff95fb42dbfe48 EFLAGS: 00010286 <4>[ 53.000477] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 <4>[ 53.008740] RDX: ffff8e44fad2c620 RSI: ffff8e44fad1bf50 RDI: ffff8e44fad1bf50 <4>[ 53.017006] RBP: ffffffff99182dfb R08: 0000000000000000 R09: 0000000000000000 <4>[ 53.025269] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 <4>[ 53.033532] R13: ffff95fb42dbff10 R14: ffff95fb42dbff10 R15: ffff8e4482b3a000 <4>[ 53.041795] FS: 00007f1635462580(0000) GS:ffff8e44fad00000(0000) knlGS:0000000000000000 <4>[ 53.051129] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 53.057838] CR2: 00007f163526c000 CR3: 0000000102d80002 CR4: 00000000003706e0 <4>[ 53.066102] Call Trace: <4>[ 53.069127] ? __warn+0x80/0x110 <4>[ 53.073053] ? refcount_warn_saturate+0x74/0x110 <4>[ 53.078503] ? report_bug+0x9e/0xc0 <4>[ 53.082706] ? handle_bug+0x41/0x90 <4>[ 53.086915] ? exc_invalid_op+0x14/0x70 <4>[ 53.091490] ? asm_exc_invalid_op+0x12/0x20 <4>[ 53.096455] ? refcount_warn_saturate+0x74/0x110 114] ? exc_page_fault+0x53/0x170 # [ 43.187782] ? asm_exc_p<4>[ 53.101934] ? refcount_warn_saturate+0x74/0x110 <4>[ 53.113588] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 age_fault+0x1e/0x30 # [ 43.192734] ? lkdtm_ACCESS_USERSPACE.<4>[ 53.118844] direct_entry.cold+0x2c/0x38 cold+0x41/0xa3 # [ 43.198568] ? lkdtm_ACCESS_USERSPACE.cold+<4>[ 53.129731] full_proxy_write+0x53/0x80 0x35/0xa3 # [ 43.204402] direct_entry.cold+0x2c/0x38 # [ <4>[ 53.140527] vfs_write+0xe7/0x3b0 <4>[ 53.150729] ksys_write+0x68/0xf0 <4>[ 53.154723] do_syscall_64+0x30/0x40 <4>[ 53.159035] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 53.164970] RIP: 0033:0x7f1635378473 <4>[ 53.169283] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 53.190559] RSP: 002b:00007ffd867bc6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 53.199310] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f1635378473 <4>[ 53.207574] RDX: 0000000000000012 RSI: 00007f163526c000 RDI: 0000000000000001 <4>[ 53.215838] RBP: 00007f163526c000 R08: 00007f163526b010 R09: 0000000000000000 <4>[ 53.224118] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 53.232383] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 43.209061] full_proxy_write+0x53/0x80 # [ 43.213626] vfs_wr<4>[ 53.240665] irq event stamp: 0 <4>[ 53.250575] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 53.257869] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 53.267299] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 53.276728] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 53.284021] ---[ end trace 666ee677a86ad35e ]--- <6>[ 53.289468] lkdtm: Zero detected: saturated ite+0xe7/0x3b0 # [ 43.217614] ksys_write+0x68/0xf0 # [ 43.221603] do_syscall_64+0x30/0x40 # [ 43.225882] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 43.231813] RIP: 0033:0x7fc33f3cc473 # [ 43.236083] 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 # [ 43.257354] RSP: 002b:00007ffd2d554c28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 43.266101] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fc33f3cc473 # [ 43.274361] RDX: 0000000000000011 RSI: 00007fc33f2c0000 RDI: 0000000000000001 # [ 43.282621] RBP: 00007fc33f2c0000 R08: 00007fc33f2bf010 R09: 0000000000000000 # [ 43.290881] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 43.299143] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 43.307399] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger cros_usbpd_charger videobuf2_vmalloc videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c cros_usbpd_notify i2c_hid coreboot_table chromeos_pstore cros_kbd_led_backlight # [ 43.366385] CR2: 00007fc33f4e5000 # [ 43.370372] ---[ end trace 666ee677a86ad350 ]--- # [ 43.375818] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 43.380484] Code: 89 ff e8 5e d4 79 ff 48 c7 c<6>[ 53.450013] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED 0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0<6>[ 53.463176] lkdtm: attempting bad refcount_inc() from saturated f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 0<4>[ 53.476292] ------------[ cut here ]------------ <4>[ 53.487952] refcount_t: saturated; leaking memory. 0 00 0f 1f 44 00 00 83 05 f0 7d 0b 03 # [ 43.401754] RSP: 001<4>[ 53.493630] WARNING: CPU: 1 PID: 2355 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 8:ffff95fb41347e60 EFLAGS: 00010286 # [ 43.407879] RAX: fffff<4>[ 53.509525] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger cros_usbpd_charger videobuf2_vmalloc videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c cros_usbpd_notify i2c_hid coreboot_table chromeos_pstore cros_kbd_led_backlight fff97b7bf00 RBX: 0000000000000001 RCX: 0000000000000000 # [ 4<4>[ 53.568484] CPU: 1 PID: 2355 Comm: cat Tainted: G D W 5.10.207-cip41 #1 3.416140] RDX: 0000000000000000 RSI: ffff8e44fac9bf50 RDI: fffff<4>[ 53.583662] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 53.596978] RIP: 0010:refcount_warn_saturate+0x51/0x110 fff98cf84b0 # [ 43.424399] RBP: ffffffff991e8ec8 R08: 0000000<4>[ 53.603107] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 39 fa 16 02 00 75 ee 48 c7 c7 88 d9 0d 99 c6 05 29 fa 16 02 01 e8 09 f0 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 15 fa 16 02 00 75 cb 48 c7 c7 b0 d9 0d <4>[ 53.630590] RSP: 0018:ffff95fb42e5fe48 EFLAGS: 00010286 000000001 R09: 0000000000000001 # [ 43.432657] R10: 00000000f<4>[ 53.636721] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 <4>[ 53.651192] RDX: ffff8e44facac620 RSI: ffff8e44fac9bf50 RDI: ffff8e44fac9bf50 fffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 43.44<4>[ 53.659458] RBP: ffffffff99182e0d R08: 0000000000000000 R09: 0000000000000000 <4>[ 53.673932] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 <4>[ 53.682195] R13: ffff95fb42e5ff10 R14: ffff95fb42e5ff10 R15: ffff8e44840ed000 <4>[ 53.690460] FS: 00007f50e088b580(0000) GS:ffff8e44fac80000(0000) knlGS:0000000000000000 0916] R13: ffff95fb41347f10 R14: ffff95fb41347f10 R15: ffff8e448<4>[ 53.699808] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 53.712724] CR2: 00007f50e0695000 CR3: 00000001029a0003 CR4: 00000000003706e0 2a20000 # [ 43.449177] FS: 00007fc33f4b6580(0000) GS:ffff8e4<4>[ 53.720986] Call Trace: 4fad00000(0000) knlGS:0000000000000000 # [ 43.458497] CS: 00<4>[ 53.730221] ? __warn+0x80/0x110 10 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 43.465202] CR2<4>[ 53.740332] ? refcount_warn_saturate+0x51/0x110 : 00007fc33f4e5000 CR3: 0000000104950005 CR4: 00000000003706e0 <4>[ 53.751995] ? report_bug+0x9e/0xc0 # ACCESS_USERSPACE: saw 'call trace:': ok ok 37 selftests: lkdt<4>[ 53.762397] ? handle_bug+0x41/0x90 m: ACCESS_USERSPACE.sh # selftests: lkdtm: ACCESS_NULL.sh # Ki<4>[ 53.772796] ? exc_invalid_op+0x14/0x70 lled # [ 43.635351] lkdtm: Performing direct entry ACCESS_NUL<4>[ 53.783585] ? asm_exc_invalid_op+0x12/0x20 L # [ 43.647380] lkdtm: attempting bad read at 00000000000000<4>[ 53.794792] ? refcount_warn_saturate+0x51/0x110 00 # [ 43.660035] BUG: kernel NULL pointer dereference, addre<4>[ 53.806453] ? refcount_warn_saturate+0x51/0x110 ss: 0000000000000000 # [ 43.674274] #PF: supervisor read acce<4>[ 53.818113] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 <4>[ 53.830069] direct_entry.cold+0x2c/0x38 ss in kernel mode # [ 43.680302] #PF: error_code(0x0000) - no<4>[ 53.834788] full_proxy_write+0x53/0x80 t-present page # [ 43.686329] PGD 0 P4D 0 # [ 43.689445] <4>[ 53.845570] vfs_write+0xe7/0x3b0 <4>[ 53.855795] ksys_write+0x68/0xf0 Oops: 0000 [#13] SMP PTI # [ 43.693725] CPU: 0 PID: 1868 Comm<4>[ 53.859789] do_syscall_64+0x30/0x40 <4>[ 53.870281] entry_SYSCALL_64_after_hwframe+0x62/0xc7 : cat Tainted: G D W 5.10.207-cip41 #1 # [ 43.70<4>[ 53.876216] RIP: 0033:0x7f50e07a1473 <4>[ 53.886709] 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 2664] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [<4>[ 53.907987] RSP: 002b:00007ffe5cb91b18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 53.922947] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f50e07a1473 43.709762] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 43.71<4>[ 53.931211] RDX: 0000000000000017 RSI: 00007f50e0695000 RDI: 0000000000000001 <4>[ 53.945698] RBP: 00007f50e0695000 R08: 00007f50e0694010 R09: 0000000000000000 5309] Code: c8 d7 fb ff be 00 10 00 00 48 89 ef e8 56 6d 0a ff e<4>[ 53.953994] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 53.968467] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 70 3c 18 99 e8 a2<4>[ 53.976735] irq event stamp: 0 <4>[ 53.986659] hardirqs last enabled at (0): [<0000000000000000>] 0x0 d7 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 98 3<4>[ 53.993954] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 54.009592] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 c 18 99 48 01 # [ 43.736583] RSP: 0018:ffff95fb42697e58 EFLAG<4>[ 54.019022] softirqs last disabled at (0): [<0000000000000000>] 0x0 S: 00010246 # [ 43.742710] RAX: 000000000000002e RBX: 0000000<4>[ 54.032525] ---[ end trace 666ee677a86ad35f ]--- <6>[ 54.044189] lkdtm: Saturation detected: still saturated 000000027 RCX: 0000000000000000 # [ 43.750968] RDX: 0000000000000000 RSI: ffff8e44fac1bf50 RDI: ffff8e44fac1bf50 # [ 43.759228] RBP: ffffffff99182d61 R08: 0000000000000000 R09: 0000000000000000 # [ 43.767488] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 43.775748] R13: ffff95fb42697f10 R14: ffff95fb42697f10 R15: ffff8e4482ddc000 # [ 43.784006] FS: 00007fc6d5f82580(0000) GS:ffff8e44fac00000(0000) knlGS:0000000000000000 # [ 43.793333] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 43.800038] CR2: 0000000000000000 CR3: 0000000102d5c003 CR4: 00000000003706f0 # [ 43.808296] Call Trace: # [ 43.811318] ? __die_body.cold+0x1a/0x1f # [ 43.815985] ? no_context+0x177/0x380 # [ 43.820363] ? exc_page_fault+0x53/0x170 # [ 43.825036] ? asm_exc_page_fault+0x1e/0x30 # [ 43.829998] ? lkdtm_ACCESS_NULL+0x14/0x53 # [ 43.834865] ? lkdtm_ACCESS_NULL+0x14/0x53 # [ 43.839725] direct_entry.cold+0x2c/0x38 # [ 43.844394] full_proxy_write+0x53/0x80 # [ 43.848971] vfs_write+0xe7/0x3b0 # [ 43.852964] ksys_write+0x68/0xf0 # [ 43.856945] do_syscall_64+0x30/0x40 # [ 43.861224] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 43.867156] RIP: 0033:0x7fc6d5e98473 # [ 43.871435] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 6<6>[ 54.180506] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED 4 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d <6>[ 54.187939] lkdtm: attempting bad refcount_dec() from saturated 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [<4>[ 54.201057] ------------[ cut here ]------------ 43.892709] RSP: 002b:00007ffc2d105b78 EFLAGS: 00000246 ORIG_R<4>[ 54.212716] refcount_t: decrement hit 0; leaking memory. AX: 0000000000000001 # [ 43.901453] RAX: ffffffffffffffda RBX<4>[ 54.225174] WARNING: CPU: 1 PID: 2391 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 : 000000000000000c RCX: 00007fc6d5e98473 # [ 43.909723] RDX: <4>[ 54.241094] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger cros_usbpd_charger videobuf2_vmalloc videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c cros_usbpd_notify i2c_hid coreboot_table chromeos_pstore cros_kbd_led_backlight 000000000000000c RSI: 00007fc6d5d8c000 RDI: 0000000000000001 # <4>[ 54.300056] CPU: 1 PID: 2391 Comm: cat Tainted: G D W 5.10.207-cip41 #1 [ 43.917975] RBP: 00007fc6d5d8c000 R08: 00007fc6d5d8b010 R09: <4>[ 54.315215] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 0000000000000000 # [ 43.926235] R10: fffffffffffffbc5 R11: 00<4>[ 54.328534] RIP: 0010:refcount_warn_saturate+0xfb/0x110 00000000000246 R12: 0000000000000001 # [ 43.934493] R13: 0000<4>[ 54.328536] Code: 38 da 0d 99 c6 05 95 f9 16 02 01 e8 79 ef c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 08 da 0d 99 c6 05 7c f9 16 02 01 e8 5f ef c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ <4>[ 54.328538] RSP: 0018:ffff95fb42effe48 EFLAGS: 00010286 43.942758] Modules linked in: fuse ip_tables cros_ec_sensors cro<4>[ 54.380719] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 s_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffe<4>[ 54.395201] RDX: ffff8e44facac620 RSI: ffff8e44fac9bf50 RDI: ffff8e44fac9bf50 r kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_l<4>[ 54.409678] RBP: ffffffff99182e24 R08: 0000000000000000 R09: 0000000000000000 ightbar cros_ec_chardev uvcvideo cros_usbpd_logger cros_usbpd_ch<4>[ 54.424159] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 arger videobuf2_vmalloc videobuf2_memops cros_ec_sensorhub snd_s<4>[ 54.438638] R13: ffff95fb42efff10 R14: ffff95fb42efff10 R15: ffff8e4482a38000 oc_da7219 videobuf2_v4l2 gsmi cros_ec_dev x86_pkg_temp_thermal v<4>[ 54.453119] FS: 00007f7640d57580(0000) GS:ffff8e44fac80000(0000) knlGS:0000000000000000 ideobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regm<4>[ 54.468668] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ap_i2c cros_usbpd_notify i2c_hid coreboot_table chromeos_pstore <4>[ 54.481594] CR2: 00007f7640b61000 CR3: 00000001029f8005 CR4: 00000000003706e0 cros_kbd_led_backlight # [ 43.995526] CR2: 0000000000000000 <4>[ 54.496073] Call Trace: # [ 43.999515] ---[ end trace 666ee677a86ad351 ]--- # [ 44.<4>[ 54.505314] ? __warn+0x80/0x110 004961] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 44.009634] Code: 89 <4>[ 54.515420] ? refcount_warn_saturate+0xfb/0x110 ff e8 5e d4 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff f<4>[ 54.527084] ? report_bug+0x9e/0xc0 f c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> <4>[ 54.537484] ? handle_bug+0x41/0x90 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 f0 7d 0b 03 <4>[ 54.547882] ? exc_invalid_op+0x14/0x70 # [ 44.030904] RSP: 0018:ffff95fb41347e60 EFLAGS: 00010286 # <4>[ 54.558673] ? asm_exc_invalid_op+0x12/0x20 [ 44.037028] RAX: ffffffff97b7bf00 RBX: 0000000000000001 RCX: <4>[ 54.569854] ? refcount_warn_saturate+0xfb/0x110 0000000000000000 # [ 44.045287] RDX: 0000000000000000 RSI: ff<4>[ 54.581514] ? refcount_warn_saturate+0xfb/0x110 ff8e44fac9bf50 RDI: ffffffff98cf84b0 # [ 44.053548] RBP: ffff<4>[ 54.593177] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f ffff991e8ec8 R08: 0000000000000001 R09: 0000000000000001 # [ <4>[ 54.605133] direct_entry.cold+0x2c/0x38 44.061808] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000<4>[ 54.616022] full_proxy_write+0x53/0x80 000000000004 # [ 44.070068] R13: ffff95fb41347f10 R14: ffff95<4>[ 54.626810] vfs_write+0xe7/0x3b0 fb41347f10 R15: ffff8e4482a20000 # [ 44.078329] FS: 00007fc6<4>[ 54.637017] ksys_write+0x68/0xf0 d5f82580(0000) GS:ffff8e44fac00000(0000) knlGS:0000000000000000 <4>[ 54.647224] do_syscall_64+0x30/0x40 # [ 44.087647] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050<4>[ 54.657741] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 54.669890] RIP: 0033:0x7f7640c6d473 033 # [ 44.094353] CR2: 0000000000000000 CR3: 0000000102d5c00<4>[ 54.674200] 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 3 CR4: 00000000003706f0 # [ 44.102615] BUG: sleeping function<4>[ 54.701684] RSP: 002b:00007ffe95a36668 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 54.716670] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f7640c6d473 called from invalid context at include/linux/percpu-rwsem.h:49 <4>[ 54.724934] RDX: 0000000000000017 RSI: 00007f7640b61000 RDI: 0000000000000001 <4>[ 54.739408] RBP: 00007f7640b61000 R08: 00007f7640b60010 R09: 0000000000000000 # [ 44.112817] in_atomic(): 0, irqs_disabled(): 1, non_block:<4>[ 54.747674] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 54.762146] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0, pid: 1868, name: cat # [ 44.121562] INFO: lockdep is turn<4>[ 54.770414] irq event stamp: 0 <4>[ 54.780326] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ed off. # [ 44.126228] irq event stamp: 0 # [ 44.129925] h<4>[ 54.787621] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 54.803258] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 54.812699] softirqs last disabled at (0): [<0000000000000000>] 0x0 ardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 44<4>[ 54.820023] ---[ end trace 666ee677a86ad360 ]--- .137217] hardirqs last disabled at (0): [] cop<6>[ 54.831681] lkdtm: Saturation detected: still saturated y_process+0x65c/0x20e0 # [ 44.146643] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 44.156068] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 44.163356] CPU: 0 PID: 1868 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 44.172295] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 44.179391] Call Trace: # [ 44.182411] dump_stack+0x77/0x9b # [ 44.186405] ___might_sleep.cold+0xa6/0xb6 # [ 44.191274] exit_signals+0x1c/0x300 # [ 44.195560] do_exit+0xc2/0xab0 # [ 44.199357] ? ksys_write+0x68/0xf0 # [ 44.203540] make_task_dead+0x2f/0x30 # [ 44.207918] rewind_stack_and_make_dead+0x17/0x20 # [ 44.213458] RIP: 0033:0x7fc6d5e98473 # [ 44.217738] 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 # [ 44.239003] RSP: 002b:00007ffc2d105b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 44.247751] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fc6d5e98473 # [ 44.256002] RDX: 000000000000000c RSI: 00007fc6d5d8c000 RDI: 0000000000000001 # [ 44.264262] RBP: 00007fc6d5d8c000 R08: 00007fc6d5d8b010 R09: 0000000000000000 # [ 44.272521] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 44.280782] 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 # [ 44.409836] lkdtm: Performing direct entry WRITE_RO # [ 44.419113]<6>[ 55.002837] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED <6>[ 55.012981] lkdtm: attempting bad refcount_dec() from saturated <4>[ 55.019886] ------------[ cut here ]------------ <4>[ 55.025334] refcount_t: saturated; leaking memory. lkdtm: attempting bad rodata write at ffffffff98cf8930 # [ 4<4>[ 55.031003] WARNING: CPU: 3 PID: 2427 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 4.432530] BUG: unable to handle page fault for address: ffffffff<4>[ 55.046943] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger cros_usbpd_charger videobuf2_vmalloc videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c cros_usbpd_notify i2c_hid coreboot_table chromeos_pstore cros_kbd_led_backlight <4>[ 55.105937] CPU: 3 PID: 2427 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 55.114903] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 55.122001] RIP: 0010:refcount_warn_saturate+0x51/0x110 <4>[ 55.128129] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 39 fa 16 02 00 75 ee 48 c7 c7 88 d9 0d 99 c6 05 29 fa 16 02 01 e8 09 f0 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 15 fa 16 02 00 75 cb 48 c7 c7 b0 d9 0d <4>[ 55.149403] RSP: 0018:ffff95fb42f87e48 EFLAGS: 00010286 <4>[ 55.155530] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 <4>[ 55.163792] RDX: ffff8e44fadac620 RSI: ffff8e44fad9bf50 RDI: ffff8e44fad9bf50 <4>[ 55.172056] RBP: ffffffff99182e3b R08: 0000000000000000 R09: 0000000000000000 <4>[ 55.180320] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 <4>[ 55.188583] R13: ffff95fb42f87f10 R14: ffff95fb42f87f10 R15: ffff8e4482ef4000 <4>[ 55.196838] FS: 00007fd1a06b8580(0000) GS:ffff8e44fad80000(0000) knlGS:0000000000000000 <4>[ 55.206168] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 55.212877] CR2: 00007fd1a04c2000 CR3: 00000001030ec004 CR4: 00000000003706e0 <4>[ 55.221140] Call Trace: <4>[ 55.224163] ? __warn+0x80/0x110 <4>[ 55.228087] ? refcount_warn_saturate+0x51/0x110 <4>[ 55.233534] ? report_bug+0x9e/0xc0 <4>[ 55.237723] ? handle_bug+0x41/0x90 <4>[ 55.241932] ? exc_invalid_op+0x14/0x70 <4>[ 55.246506] ? asm_exc_invalid_op+0x12/0x20 <4>[ 55.251470] ? refcount_warn_saturate+0x51/0x110 <4>[ 55.256942] ? refcount_warn_saturate+0x51/0x110 <4>[ 55.262392] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 <4>[ 55.268131] direct_entry.cold+0x2c/0x38 <4>[ 55.272802] full_proxy_write+0x53/0x80 98cf8930 # [ 44.446698] #PF: supervisor write access in kerne<4>[ 55.277380] vfs_write+0xe7/0x3b0 l mode # [ 44.452821] #PF: error_code(0x0003) - permissions v<4>[ 55.287584] ksys_write+0x68/0xf0 iolation # [ 44.459332] PGD 160629067 P4D 160629067 PUD 16062<4>[ 55.297789] do_syscall_64+0x30/0x40 <4>[ 55.308287] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 55.314243] RIP: 0033:0x7fd1a05ce473 <4>[ 55.318525] 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>[ 55.339799] RSP: 002b:00007ffcffd7e7b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 55.348554] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fd1a05ce473 a063 PMD 800000015fe000e1 # [ 44.467407] Oops: 0003 [#14] SM<4>[ 55.356846] RDX: 0000000000000017 RSI: 00007fd1a04c2000 RDI: 0000000000000001 <4>[ 55.371315] RBP: 00007fd1a04c2000 R08: 00007fd1a04c1010 R09: 0000000000000000 <4>[ 55.379578] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 55.387842] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 55.396108] irq event stamp: 0 <4>[ 55.399831] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 55.407123] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 55.416552] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 55.425981] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 55.433271] ---[ end trace 666ee677a86ad361 ]--- <6>[ 55.438716] lkdtm: Saturation detected: still saturated P PTI # [ 44.471686] CPU: 0 PID: 1904 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 44.480627] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 44.487727] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 44.492983] Code: 00 48 c7 c7 50 3b 18 99 48 c7 c6 30 89 cf 98 e8 4c da fb ff 48 8b 05 d0 92 a9 00 ba 34 12 cd ab 48 c7 c7 80 3b 18 99 48 31 d0 <48> 89 05 ba 92 a9 00 e9 2a da fb ff 0f 1f 44 00 00 48 8b 05 c9 bc # [ 44.514256] RSP: 0018:ffff95fb426ffe60 EFLAGS: 00010202 # [ 44.520381] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 # [ 44.528641] RDX: 00000000abcd1234 RSI: ffff8e44fac1bf50 RDI: ffffffff99183b80 # [ 44.536901] RBP: ffffffff99182d6d R08: 0000000000000000 R09: 0000000000000000 # [ 44.545163] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 # [ 44.553422] R13: ffff95fb426fff10 R14: ffff95fb426fff10 R15: ffff8e4482d61000 # [ 44.561683] FS: 00007f922c3c7580(0000) GS:ffff8e44fac00000(0000) knlGS:0000000000000000 # [ 44.571002] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.577708] CR2: ffffffff98cf8930 CR3: 00000001034f4004 CR4: 00000000003706f0 # [ 44.585968] Call Trace: # [ 44.588988] ? __die_body.cold+0x1a/0x1f # [ 44.593664] ? no_context+0x177/0x380 # [ 44.598048] ? exc_page_fault+0xd7/0x170 # [ 44.602724] ? asm_exc_page_fault+0x1e/0x30 # [ 44.607687] ? <6>[ 55.577912] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED lkdtm_WRITE_RO+0x2e/0x3a # [ 44.612256] direct_entry.cold+0x<6>[ 55.589710] lkdtm: attempting bad refcount_inc_not_zero() from saturated 2c/0x38 # [ 44.616926] full_proxy_write+0x53/0x80 # [ 44.<4>[ 55.603759] ------------[ cut here ]------------ 621504] vfs_write+0xe7/0x3b0 # [ 44.625499] ksys_write+0x68<4>[ 55.615400] refcount_t: saturated; leaking memory. /0xf0 # [ 44.629490] do_syscall_64+0x30/0x40 # [ 44.63377<4>[ 55.627271] WARNING: CPU: 0 PID: 2460 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 4] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 44.639706] R<4>[ 55.643263] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger cros_usbpd_charger videobuf2_vmalloc videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c cros_usbpd_notify i2c_hid coreboot_table chromeos_pstore cros_kbd_led_backlight IP: 0033:0x7f922c2dd473 # [ 44.643984] Code: 8b 15 21 2a 0e 0<4>[ 55.702165] CPU: 0 PID: 2460 Comm: cat Tainted: G D W 5.10.207-cip41 #1 0 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25<4>[ 55.717387] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff f<4>[ 55.730729] RIP: 0010:refcount_warn_saturate+0x97/0x110 f 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 44.6652<4>[ 55.743014] Code: 02 01 e8 e6 ef c5 00 0f 0b c3 cc cc cc cc 80 3d f4 f9 16 02 00 75 a8 48 c7 c7 88 d9 0d 99 c6 05 e4 f9 16 02 01 e8 c3 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d ce f9 16 02 00 75 85 48 c7 c7 e0 d9 0d 56] RSP: 002b:00007ffd3228e1c8 EFLAGS: 00000246 ORIG_RAX: 000000<4>[ 55.770476] RSP: 0018:ffff95fb43007e38 EFLAGS: 00010282 0000000001 # [ 44.674003] RAX: ffffffffffffffda RBX: 00000000<4>[ 55.782861] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 00000009 RCX: 00007f922c2dd473 # [ 44.682263] RDX: 0000000000<4>[ 55.797318] RDX: ffff8e44fac2c620 RSI: ffff8e44fac1bf50 RDI: ffff8e44fac1bf50 000009 RSI: 00007f922c1d1000 RDI: 0000000000000001 # [ 44.690<4>[ 55.811826] RBP: ffffffff99182a68 R08: 0000000000000000 R09: 0000000000000000 522] RBP: 00007f922c1d1000 R08: 00007f922c1d0010 R09: 0000000000<4>[ 55.826285] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 000000 # [ 44.698783] R10: fffffffffffffbc5 R11: 000000000000<4>[ 55.840788] R13: ffff95fb43007f10 R14: ffff95fb43007f10 R15: ffff8e448316c000 0246 R12: 0000000000000001 # [ 44.707043] R13: 00000000000000<4>[ 55.855247] FS: 00007f3f500cd580(0000) GS:ffff8e44fac00000(0000) knlGS:0000000000000000 01 R14: 0000000000020000 R15: 0000000000020000 # [ 44.715308]<4>[ 55.870801] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_a<4>[ 55.883735] CR2: 00007f3f4fed7000 CR3: 0000000105908001 CR4: 00000000003706f0 ngle cros_ec_sensors_core industrialio_triggered_buffer kfifo_bu<4>[ 55.898240] Call Trace: f industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cr<4>[ 55.907457] ? __warn+0x80/0x110 os_ec_chardev uvcvideo cros_usbpd_logger cros_usbpd_charger vide<4>[ 55.917570] ? refcount_warn_saturate+0x97/0x110 obuf2_vmalloc videobuf2_memops cros_ec_sensorhub snd_soc_da7219 <4>[ 55.929259] ? report_bug+0x9e/0xc0 videobuf2_v4l2 gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_c<4>[ 55.939703] ? handle_bug+0x41/0x90 ommon snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c cro<4>[ 55.950085] ? exc_invalid_op+0x14/0x70 s_usbpd_notify i2c_hid coreboot_table chromeos_pstore cros_kbd_l<4>[ 55.960914] ? asm_exc_invalid_op+0x12/0x20 ed_backlight # [ 44.768076] CR2: ffffffff98cf8930 # [ 44.7<4>[ 55.972110] ? refcount_warn_saturate+0x97/0x110 72055] ---[ end trace 666ee677a86ad352 ]--- # [ 44.777501] RI<4>[ 55.983803] ? refcount_warn_saturate+0x97/0x110 P: 0010:lkdtm_BUG+0x5/0x10 # [ 44.782168] Code: 89 ff e8 5e d<4>[ 55.995438] __refcount_add_not_zero.constprop.0+0x2a/0x35 4 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc<4>[ 56.008082] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1<4>[ 56.020924] direct_entry.cold+0x2c/0x38 f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 f0 7d 0b 03 # [ 44.8<4>[ 56.031862] full_proxy_write+0x53/0x80 03441] RSP: 0018:ffff95fb41347e60 EFLAGS: 00010286 # [ 44.809<4>[ 56.042633] vfs_write+0xe7/0x3b0 564] RAX: ffffffff97b7bf00 RBX: 0000000000000001 RCX: 0000000000<4>[ 56.052867] ksys_write+0x68/0xf0 000000 # [ 44.817824] RDX: 0000000000000000 RSI: ffff8e44fac9<4>[ 56.063068] do_syscall_64+0x30/0x40 bf50 RDI: ffffffff98cf84b0 # [ 44.826083] RBP: ffffffff991e8e<4>[ 56.073602] entry_SYSCALL_64_after_hwframe+0x62/0xc7 c8 R08: 0000000000000001 R09: 0000000000000001 # [ 44.834343]<4>[ 56.085757] RIP: 0033:0x7f3f4ffe3473 R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000000000<4>[ 56.096308] 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 04 # [ 44.842603] R13: ffff95fb41347f10 R14: ffff95fb41347f10<4>[ 56.123780] RSP: 002b:00007fff25c8ca78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 R15: ffff8e4482a20000 # [ 44.850863] FS: 00007f922c3c7580(0<4>[ 56.138779] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f3f4ffe3473 000) GS:ffff8e44fac00000(0000) knlGS:0000000000000000 # [ 44.<4>[ 56.153243] RDX: 0000000000000020 RSI: 00007f3f4fed7000 RDI: 0000000000000001 860192] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ <4>[ 56.167750] RBP: 00007f3f4fed7000 R08: 00007f3f4fed6010 R09: 0000000000000000 44.866899] CR2: ffffffff98cf8930 CR3: 00000001034f4004 CR4: 000<4>[ 56.182208] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 00000003706f0 # WRITE_RO: saw 'call trace:': ok ok 39 selftest<4>[ 56.196704] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 s: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.s<4>[ 56.211201] irq event stamp: 0 h # Killed # [ 45.075709] lkdtm: Performing direct entry WRI<4>[ 56.221089] hardirqs last enabled at (0): [<0000000000000000>] 0x0 TE_RO_AFTER_INIT # [ 45.087101] lkdtm: attempting bad ro_afte<4>[ 56.234616] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 r_init write at ffffffff9920b350 # [ 45.095006] BUG: unable t<4>[ 56.250284] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 o handle page fault for address: ffffffff9920b350 # [ 45.1029<4>[ 56.265932] softirqs last disabled at (0): [<0000000000000000>] 0x0 85] #PF: supervisor write access in kernel mode # [ 45.115323<4>[ 56.279428] ---[ end trace 666ee677a86ad362 ]--- ] #PF: error_code(0x0003) - permissions violation # [ 45.1218<6>[ 56.291091] lkdtm: Saturation detected: still saturated 36] PGD 160629067 P4D 160629067 PUD 16062a063 PMD 10005f063 PTE 800000016040b061 # [ 45.131168] Oops: 0003 [#15] SMP PTI # [ 45.135446] CPU: 3 PID: 1940 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 45.144386] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 45.151484] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 45.157802] Code: 3b 18 99 e9 fe d9 fb ff 48 c7 c7 d8 3b 18 99 e8 f2 d9 fb ff 48 8b 05 96 bc fa 00 ba 34 12 cd ab 48 c7 c7 80 3b 18 99 48 31 d0 <48> 89 05 80 bc fa 00 e9 d0 d9 fb ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 45.179074] RSP: 0018:ffff95fb42797e60 EFLAGS: 00010202 # [ 45.185198] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 # [ 45.193457] RDX: 00000000abcd1234 RSI: ffff8e44fad9bf50 RDI: ffffffff99183b80 # [ 45.201717] RBP: ffffffff99182d76 R08: 0000000000000000 R09: 0000000000000000 # [ 45.209976] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 # [ 45.218236] R13: ffff95fb42797f10 R14: ffff95fb42797f10 R15: ffff8e4483322000 # [ 45.226496] FS: 00007fc76599e580(0000) GS:ffff8e44fad80000(0000) knlGS:0000000000000000 # [ 45.235823] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 45.242529] CR2: ffffffff9920b350 CR3: 0000000102656003 CR4: 00000000003706e0 # [ 45.250788] Call Trace: # [ 45.253808] ? __die_body.cold+0x1a/0x1f # [ 45.258478] ? no_context+0x177/0x380 # [ 45.262857] ? exc_page_fault+0xd7/0x170 # [ 45.267524] ? asm_exc_page_fault+0x1e/0x30 # [ 45.272485] ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 45.278124] direct_entry.cold+0x2c/0x38 # [ 45.282794] full_proxy_write+0x53/0x80 # [ 45.287366] vfs_write+0xe7/0x3b0 # [ 45.291356] ksys_write+0x68/0xf0 # [ 45.295345] do_syscall_64+0x30/0x40 # [ 45.299624] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ <6>[ 56.478787] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED 45.305555] RIP: 0033:0x7fc7658b4473 # [ 45.309825] Code: 8b 1<6>[ 56.491802] lkdtm: attempting bad refcount_add_not_zero() from saturated 5 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00<4>[ 56.505797] ------------[ cut here ]------------ 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3<4>[ 56.517460] refcount_t: saturated; leaking memory. d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 #<4>[ 56.529335] WARNING: CPU: 1 PID: 2493 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 [ 45.331095] RSP: 002b:00007ffd65735458 EFLAGS: 00000246 ORIG<4>[ 56.545253] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger cros_usbpd_charger videobuf2_vmalloc videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c cros_usbpd_notify i2c_hid coreboot_table chromeos_pstore cros_kbd_led_backlight _RAX: 0000000000000001 # [ 45.339841] RAX: ffffffffffffffda R<4>[ 56.604236] CPU: 1 PID: 2493 Comm: cat Tainted: G D W 5.10.207-cip41 #1 BX: 0000000000000014 RCX: 00007fc7658b4473 # [ 45.348101] RDX<4>[ 56.619388] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 : 0000000000000014 RSI: 00007fc7657a8000 RDI: 0000000000000001 <4>[ 56.632682] RIP: 0010:refcount_warn_saturate+0x97/0x110 <4>[ 56.645022] Code: 02 01 e8 e6 ef c5 00 0f 0b c3 cc cc cc cc 80 3d f4 f9 16 02 00 75 a8 48 c7 c7 88 d9 0d 99 c6 05 e4 f9 16 02 01 e8 c3 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d ce f9 16 02 00 75 85 48 c7 c7 e0 d9 0d # [ 45.356360] RBP: 00007fc7657a8000 R08: 00007fc7657a7010 R09<4>[ 56.666325] RSP: 0018:ffff95fb4307fe38 EFLAGS: 00010282 : 0000000000000000 # [ 45.364619] R10: fffffffffffffbc5 R11: <4>[ 56.678663] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 <4>[ 56.693144] RDX: ffff8e44facac620 RSI: ffff8e44fac9bf50 RDI: ffff8e44fac9bf50 0000000000000246 R12: 0000000000000001 # [ 45.372877] R13: 00<4>[ 56.701408] RBP: ffffffff99182a88 R08: 0000000000000000 R09: 0000000000000000 <4>[ 56.715881] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 00000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ <4>[ 56.724146] R13: ffff95fb4307ff10 R14: ffff95fb4307ff10 R15: ffff8e44840f6000 45.381142] Modules linked in: fuse ip_tables cros_ec_sensors c<4>[ 56.738623] FS: 00007fc81e1b6580(0000) GS:ffff8e44fac80000(0000) knlGS:0000000000000000 <4>[ 56.754171] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buf<4>[ 56.760882] CR2: 00007fc81dfc0000 CR3: 0000000103190001 CR4: 00000000003706e0 <4>[ 56.775355] Call Trace: fer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec<4>[ 56.778382] ? __warn+0x80/0x110 <4>[ 56.788481] ? refcount_warn_saturate+0x97/0x110 _lightbar cros_ec_chardev uvcvideo cros_usbpd_logger cros_usbpd_<4>[ 56.793955] ? report_bug+0x9e/0xc0 charger videobuf2_vmalloc videobuf2_memops cros_ec_sensorhub snd<4>[ 56.804352] ? handle_bug+0x41/0x90 _soc_da7219 videobuf2_v4l2 gsmi cros_ec_dev x86_pkg_temp_thermal<4>[ 56.814790] ? exc_invalid_op+0x14/0x70 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine re<4>[ 56.825578] ? asm_exc_invalid_op+0x12/0x20 gmap_i2c cros_usbpd_notify i2c_hid coreboot_table chromeos_pstor<4>[ 56.836777] ? refcount_warn_saturate+0x97/0x110 <4>[ 56.848420] ? refcount_warn_saturate+0x97/0x110 e cros_kbd_led_backlight # [ 45.440128] CR2: ffffffff9920b350<4>[ 56.853870] __refcount_add_not_zero.constprop.0+0x2a/0x35 <4>[ 56.866498] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 45.444116] ---[ end trace 666ee677a86ad353 ]--- # [ 4<4>[ 56.873112] direct_entry.cold+0x2c/0x38 5.449560] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 45.454218] Code: 8<4>[ 56.883995] full_proxy_write+0x53/0x80 9 ff e8 5e d4 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff<4>[ 56.894783] vfs_write+0xe7/0x3b0 ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f<4>[ 56.904991] ksys_write+0x68/0xf0 > 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 f0 7d 0b 03<4>[ 56.915199] do_syscall_64+0x30/0x40 # [ 45.475490] RSP: 0018:ffff95fb41347e60 EFLAGS: 00010286 <4>[ 56.925713] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 45.481614] RAX: ffffffff97b7bf00 RBX: 0000000000000001 RCX<4>[ 56.937857] RIP: 0033:0x7fc81e0cc473 : 0000000000000000 # [ 45.489874] RDX: 0000000000000000 RSI: <4>[ 56.948353] 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>[ 56.975844] RSP: 002b:00007ffd90f584e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ffff8e44fac9bf50 RDI: ffffffff98cf84b0 # [ 45.498133] RBP: ff<4>[ 56.984620] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fc81e0cc473 <4>[ 56.999094] RDX: 0000000000000020 RSI: 00007fc81dfc0000 RDI: 0000000000000001 ffffff991e8ec8 R08: 0000000000000001 R09: 0000000000000001 # [ <4>[ 57.007359] RBP: 00007fc81dfc0000 R08: 00007fc81dfbf010 R09: 0000000000000000 <4>[ 57.021834] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 45.506391] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00<4>[ 57.030099] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00000000000004 # [ 45.514656] R13: ffff95fb41347f10 R14: ffff<4>[ 57.044577] irq event stamp: 0 <4>[ 57.054514] hardirqs last enabled at (0): [<0000000000000000>] 0x0 95fb41347f10 R15: ffff8e4482a20000<4>[ 57.061810] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 57.074534] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 57.083967] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 57.091447] ---[ end trace 666ee677a86ad363 ]--- <6>[ 57.096897] lkdtm: Saturation detected: still saturated # [ 45.522917] FS: 00007fc76599e580(0000) GS:ffff8e44fad80000(0000) knlGS:0000000000000000 # [ 45.532246] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 45.538951] CR2: ffffffff9920b350 CR3: 0000000102656003 CR4: 00000000003706e0 # [ 45.547210] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 45.557413] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1940, name: cat # [ 45.566158] INFO: lockdep is turned off. # [ 45.570826] irq event stamp: 0 # [ 45.574521] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 45.581811] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 45.591237] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 45.600662] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 45.607942] CPU: 3 PID: 1940 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 45.616882] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 45.623975] Call Trace: # [ 45.626992] dump_stack+0x77/0x9b # [ 45.630981] ___might_sleep.cold+0xa6/0xb6 # [ 45.635846] exit_signals+0x1c/0x300 # [ 45.640126] do_exit+0xc2/0xab0 # [ 45.643911] ? ksys_write+0x68/0xf0 # [ 45.648092] make_task_dead+0x2f/0x30 # [ 45.652469] rewind_stack_and_make_dead+0x17/0x20 # [ 45.658002] RIP: 0033:0x7fc7658b4473 # [ 45.662280] 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 # [ 45.683552] RSP: 002b:00007ffd65735458 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 45.692297] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fc<6>[ 57.274332] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED 7658b4473 # [ 45.700555] RDX: 0000000000000014 RSI: 00007fc76<6>[ 57.285120] lkdtm: attempting bad refcount_dec_and_test() from saturated 57a8000 RDI: 0000000000000001 # [ 45.708816] RBP: 00007fc7657<4>[ 57.299117] ------------[ cut here ]------------ a8000 R08: 00007fc7657a7010 R09: 0000000000000000 # [ 45.7170<4>[ 57.310779] refcount_t: underflow; use-after-free. 75] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 00000000000<4>[ 57.322675] WARNING: CPU: 1 PID: 2529 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 00001 # [ 45.725334] R13: 0000000000000001 R14: 0000000000020<4>[ 57.338596] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger cros_usbpd_charger videobuf2_vmalloc videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c cros_usbpd_notify i2c_hid coreboot_table chromeos_pstore cros_kbd_led_backlight 000 R15: 0000000000020000 # WRITE_RO_AFTER_INIT: saw 'call trac<4>[ 57.397552] CPU: 1 PID: 2529 Comm: cat Tainted: G D W 5.10.207-cip41 #1 e:': ok ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # selft<4>[ 57.412714] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 ests: lkdtm: WRITE_KERN.sh # Killed # [ 45.856017] lkdtm: Pe<4>[ 57.426028] RIP: 0010:refcount_warn_saturate+0xba/0x110 <4>[ 57.438371] Code: 02 01 e8 c3 ef c5 00 0f 0b c3 cc cc cc cc 80 3d ce f9 16 02 00 75 85 48 c7 c7 e0 d9 0d 99 c6 05 be f9 16 02 01 e8 a0 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d a9 f9 16 02 00 0f 85 5e ff ff ff 48 c7 rforming direct entry WRITE_KERN # [ 45.863995] lkdtm: attemp<4>[ 57.459668] RSP: 0018:ffff95fb43107e40 EFLAGS: 00010286 ting bad 7222026 byte write at ffffffff9825f5da # [ 45.871810<4>[ 57.471997] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 <4>[ 57.486472] RDX: ffff8e44facac620 RSI: ffff8e44fac9bf50 RDI: ffff8e44fac9bf50 ] BUG: unable to handle page fault for address: ffffffff9825f5da<4>[ 57.494736] RBP: ffffffff99182aa8 R08: 0000000000000000 R09: 0000000000000000 <4>[ 57.509210] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 45.879778] #PF: supervisor write access in kernel mode <4>[ 57.517476] R13: ffff95fb43107f10 R14: ffff95fb43107f10 R15: ffff8e4482fdb000 <4>[ 57.531951] FS: 00007f910f50c580(0000) GS:ffff8e44fac80000(0000) knlGS:0000000000000000 # [ 45.885902] #PF: error_code(0x0003) - permissions violation<4>[ 57.541306] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 57.554227] CR2: 00007f910f316000 CR3: 0000000106520005 CR4: 00000000003706e0 # [ 45.892415] PGD 160629067 P4D 160629067 PUD 16062a063 PMD<4>[ 57.562492] Call Trace: 15f4000e1 # [ 45.899807] Oops: 0003 [#16] SMP PTI # [ 45<4>[ 57.571724] ? __warn+0x80/0x110 <4>[ 57.581832] ? refcount_warn_saturate+0xba/0x110 .910298] CPU: 2 PID: 1976 Comm: cat Tainted: G D W <4>[ 57.587283] ? report_bug+0x9e/0xc0 5.10.207-cip41 #1 # [ 45.919239] Hardware name: Google Rammus<4>[ 57.597678] ? handle_bug+0x41/0x90 <4>[ 57.608077] ? exc_invalid_op+0x14/0x70 /Rammus, BIOS 09/04/2020 # [ 45.926337] RIP: 0010:lkdtm_WRIT<4>[ 57.612677] ? asm_exc_invalid_op+0x12/0x20 E_KERN+0x38/0x4e # [ 45.931782] Code: 53 48 c7 c3 da f5 25 98<4>[ 57.623850] ? refcount_warn_saturate+0xba/0x110 49 89 dc 48 89 da 49 81 ec d0 c2 b7 97 4c 89 e6 e8 a5 d9 fb ff <4>[ 57.635512] __refcount_sub_and_test.constprop.0+0x3c/0x50 48 89 df 4c 89 e1 48 c7 c6 d0 c2 b7 97 a4 48 c7 c7 80 3b 18<4>[ 57.648149] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 <4>[ 57.660978] direct_entry.cold+0x2c/0x38 99 e8 8a d9 fb ff 5b 41 5c e9 b7 fe ff ff # [ 45.959266] RSP<4>[ 57.665665] full_proxy_write+0x53/0x80 : 0018:ffff95fb42837e50 EFLAGS: 00010246 # [ 45.965382] RAX: <4>[ 57.676463] vfs_write+0xe7/0x3b0 000000000000003c RBX: ffffffff9825f5da RCX: 00000000006e330a # <4>[ 57.686672] ksys_write+0x68/0xf0 [ 45.973659] RDX: 0000000000000000 RSI: ffffffff97b7c2d0 RDI: <4>[ 57.696879] do_syscall_64+0x30/0x40 ffffffff9825f5da # [ 45.981919] RBP: ffffffff99182d8a R08: 00<4>[ 57.707375] entry_SYSCALL_64_after_hwframe+0x62/0xc7 00000000000000 R09: 0000000000000000 # [ 45.990179] R10: 0000<4>[ 57.719524] RIP: 0033:0x7f910f422473 <4>[ 57.730021] 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 0000ffffe000 R11: 3fffffffffffffff R12: 00000000006e330a # [ <4>[ 57.751300] RSP: 002b:00007ffe33366648 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 57.766259] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f910f422473 45.998437] R13: ffff95fb42837f10 R14: ffff95fb42837f10 R15: ffff<4>[ 57.774524] RDX: 0000000000000020 RSI: 00007f910f316000 RDI: 0000000000000001 <4>[ 57.788998] RBP: 00007f910f316000 R08: 00007f910f315010 R09: 0000000000000000 <4>[ 57.797262] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 57.805526] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 8e448308d000 # [ 46.006708] FS: 00007ff839b9c580(0000) GS:ff<4>[ 57.813795] irq event stamp: 0 <4>[ 57.823732] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ff8e44fad00000(0000) knlGS:0000000000000000 # [ 46.016035] CS<4>[ 57.831027] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 57.846666] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 : 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.022740<4>[ 57.856094] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 57.869596] ---[ end trace 666ee677a86ad364 ]--- ] CR2: ffffffff9825f5da CR3: 0000000102d3e003 CR4: 0000000000370<6>[ 57.875044] lkdtm: Saturation detected: still saturated 6e0 # [ 46.031000] Call Trace: # [ 46.034021] ? __die_body.cold+0x1a/0x1f # [ 46.038690] ? no_context+0x177/0x380 # [ 46.043067] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 46.048803] ? exc_page_fault+0xd7/0x170 # [ 46.053471] ? asm_exc_page_fault+0x1e/0x30 # [ 46.058422] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 46.064152] ? lkdtm_SLAB_FREE_PAGE+0x40/0x40 # [ 46.069305] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 46.075040] ? lkdtm_WRITE_KERN+0x38/0x4e # [ 46.079805] direct_entry.cold+0x2c/0x38 # [ 46.084476] full_proxy_write+0x53/0x80 # [ 46.089049] vfs_write+0xe7/0x3b0 # [ 46.093038] ksys_write+0x68/0xf0 # [ 46.097017] do_syscall_64+0x30/0x40 # [ 46.101295] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 46.107225] RIP: 0033:0x7ff839ab2473 # [ 46.111502] 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 # [ 46.132775] RSP: 002b:00007ffc54a71688 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 46.141521] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007ff839ab2473 # [ 46.149780] RDX: 000000000000000b RSI: 00007ff8399a6000 RDI: 0000000000000001 # [ 46.158039] RBP: 00007ff8399a6000 R08: 00007ff8399a5010 R09: 0000000000000000 # [ 46.166300] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 46.174559] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 46.182822] Modules linked in: fuse ip_tables cros_e<6>[ 58.036683] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED <6>[ 58.050775] lkdtm: attempting bad refcount_sub_and_test() from saturated <4>[ 58.058567] ------------[ cut here ]------------ c_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_tr<4>[ 58.064023] refcount_t: underflow; use-after-free. iggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debu<4>[ 58.075892] WARNING: CPU: 3 PID: 2565 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 gfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger <4>[ 58.091817] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger cros_usbpd_charger videobuf2_vmalloc videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c cros_usbpd_notify i2c_hid coreboot_table chromeos_pstore cros_kbd_led_backlight <4>[ 58.150809] CPU: 3 PID: 2565 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 58.159785] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 58.166886] RIP: 0010:refcount_warn_saturate+0xba/0x110 <4>[ 58.173046] Code: 02 01 e8 c3 ef c5 00 0f 0b c3 cc cc cc cc 80 3d ce f9 16 02 00 75 85 48 c7 c7 e0 d9 0d 99 c6 05 be f9 16 02 01 e8 a0 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d a9 f9 16 02 00 0f 85 5e ff ff ff 48 c7 <4>[ 58.194322] RSP: 0018:ffff95fb43197e40 EFLAGS: 00010286 <4>[ 58.200451] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 <4>[ 58.208719] RDX: ffff8e44fadac620 RSI: ffff8e44fad9bf50 RDI: ffff8e44fad9bf50 <4>[ 58.216983] RBP: ffffffff99182ac8 R08: 0000000000000000 R09: 0000000000000000 <4>[ 58.225249] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 <4>[ 58.233513] R13: ffff95fb43197f10 R14: ffff95fb43197f10 R15: ffff8e4483195000 <4>[ 58.241779] FS: 00007fe5ef991580(0000) GS:ffff8e44fad80000(0000) knlGS:0000000000000000 <4>[ 58.251111] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 58.257823] CR2: 00007fe5ef79b000 CR3: 0000000102fac006 CR4: 00000000003706e0 <4>[ 58.266086] Call Trace: <4>[ 58.269112] ? __warn+0x80/0x110 <4>[ 58.273038] ? refcount_warn_saturate+0xba/0x110 <4>[ 58.278488] ? report_bug+0x9e/0xc0 <4>[ 58.282712] ? handle_bug+0x41/0x90 <4>[ 58.286931] ? exc_invalid_op+0x14/0x70 <4>[ 58.291537] ? asm_exc_invalid_op+0x12/0x20 <4>[ 58.296523] ? refcount_warn_saturate+0xba/0x110 cros_usbpd_charger videobuf2_vmalloc videobuf2_memops cros_ec_se<4>[ 58.301983] __refcount_sub_and_test.constprop.0+0x3c/0x50 <4>[ 58.314613] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 <4>[ 58.321258] direct_entry.cold+0x2c/0x38 <4>[ 58.325933] full_proxy_write+0x53/0x80 <4>[ 58.330540] vfs_write+0xe7/0x3b0 <4>[ 58.334564] ksys_write+0x68/0xf0 <4>[ 58.338588] do_syscall_64+0x30/0x40 nsorhub snd_soc_da7219 videobuf2_v4l2 gsmi cros_ec_dev x86_pkg_t<4>[ 58.342874] entry_SYSCALL_64_after_hwframe+0x62/0xc7 emp_thermal videobuf2_common snd_soc_core snd_compress snd_pcm_d<4>[ 58.355023] RIP: 0033:0x7fe5ef8a7473 maengine regmap_i2c cros_usbpd_notify i2c_hid coreboot_table chr<4>[ 58.365519] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 58.393013] RSP: 002b:00007fffca608478 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 58.401795] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fe5ef8a7473 <4>[ 58.410085] RDX: 0000000000000020 RSI: 00007fe5ef79b000 RDI: 0000000000000001 omeos_pstore cros_kbd_led_backlight # [ 46.241810] CR2: fffff<4>[ 58.418362] RBP: 00007fe5ef79b000 R08: 00007fe5ef79a010 R09: 0000000000000000 <4>[ 58.432829] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 58.441093] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 58.449363] irq event stamp: 0 <4>[ 58.453094] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 58.460390] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 58.469821] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 58.479250] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 58.486544] ---[ end trace 666ee677a86ad365 ]--- <6>[ 58.491992] lkdtm: Saturation detected: still saturated fff9825f5da # [ 46.245798] ---[ end trace 666ee677a86ad354 ]--- # [ 46.251233] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 46.255901] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 # [ 46.277171] RSP: 0018:ffff95fb41347e60 EFLAGS: 00010286 # [ 46.283295] RAX: ffffffff97b7bf00 RBX: 0000000000000001 RCX: 0000000000000000 # [ 46.291555] RDX: 0000000000000000 RSI: ffff8e44fac9bf50 RDI: ffffffff98cf84b0 # [ 46.299814] RBP: ffffffff991e8ec8 R08: 0000000000000001 R09: 0000000000000001 # [ 46.308073] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 46.316333] R13: ffff95fb41347f10 R14: ffff95fb41347f10 R15: ffff8e4482a20000 # [ 46.324592] FS: 00007ff839b9c580(0000) GS:ffff8e44fad00000(0000) knlGS:0000000000000000 # [ 46.333921] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.340626] CR2: ffffffff9825f5da CR3: 0000000102d3e003 CR4: 00000000003706e0 # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # [ 46.471020] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 46.480244] lkdtm: attempting good refcount_inc() without overflow # [ 46.487458] lkdtm: attempting bad refcount_inc() overflow # [ 46.499987] ------------[ cut here ]------------ # [ 46.505456] refcount_t: saturated; leaking memory. # [ 46.511126] WARNING: CPU: 2 PID: 2013 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 46.520852] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger cros_usbpd_charger videobuf2_vmalloc videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c cros_usbpd_notify i2c_hid coreboot_table chromeos_pstore cros_kbd_led_backlight # [ 46.579804] CPU: 2 PID: 2013 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 46.588776] Hardware name: Google Rammus/Rammus, BIOS 09/04/20<6>[ 58.716938] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO 20 # [ 46.595874] RIP: 0010:refcount_warn_saturate+0x51/0x110<6>[ 58.728961] lkdtm: attempting good copy_to_user of correct size # [ 46.602000] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 <6>[ 58.742090] lkdtm: attempting bad copy_to_user of too large size 46 80 3d 39 fa 16 02 00 75 ee 48 c7 c7 88 d9 0d 99 c6 05 29 fa 16 02 01 e8 09 f0 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 15 fa 16 02 00 75 cb 48 c7 c7 b0 d9 0d # [ 46.623279] RSP: 0018:ffff95fb403f7e48 EFLAGS: 00010286 # [ 46.635619] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 # [ 46.650101] RDX: ffff8e44fad2c620 RSI: ffff8e44fad1bf50 RDI: ffff8e44fad1bf50 # [ 46.664578] RBP: ffffffff99182d95 R08: 0000000000000000 R09: 0000000000000000 # [ 46.672841] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 46.681103] R13: ffff95fb403f7f10 R14: ffff95fb403f7f10 R15: ffff8e4485924000 # [ 46.689366] FS: 00007f713e51f580(0000) GS:ffff8e44fad00000(0000) knlGS:0000000000000000 # [ 46.698732] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.705452] CR2: 00007f713e329000 CR3: 0000000106092004 CR4: 00000000003706e0 # [ 46.719921] Call Trace: # [ 46.722964] ? __warn+0x80/0x110 # [ 46.726867] ? refcount_warn_saturate+0x51/0x110 # [ 46.738525] ? report_bug+0x9e/0xc0 # [ 46.742736] ? handle_bug+0x41/0x90 # [ 46.746944] ? exc_invalid_op+0x14/0x70 # [ 46.751517] ? asm_exc_invalid_op+0x12/0x20 # [ 46.756484] ? refcount_warn_saturate+0x51/0x110 # [ 46.761958] ? refcount_warn_saturate+0x51/0x110 # [ 46.773613] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 # [ 46.779255] direct_entry.cold+0x2c/0x38 # [ 46.783929] full_proxy_write+0x53/0x80 # [ 46.788537] vfs_w<6>[ 58.897375] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM rite+0xe7/0x3b0 # [ 46.792528] ksys_write+0x68/0xf0 # [ 4<6>[ 58.905553] lkdtm: attempting good copy_from_user of correct size 6.796522] do_syscall_64+0x30/0x40 # [ 46.800830] entry_SYSC<6>[ 58.918872] lkdtm: attempting bad copy_from_user of too large size ALL_64_after_hwframe+0x62/0xc7 # [ 46.806763] RIP: 0033:0x7f713e435473 # [ 46.811046] 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 # [ 46.832321] RSP: 002b:00007ffc7833c678 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 46.841071] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f713e435473 # [ 46.849335] RDX: 0000000000000016 RSI: 00007f713e329000 RDI: 0000000000000001 # [ 46.857597] RBP: 00007f713e329000 R08: 00007f713e328010 R09: 0000000000000000 # [ 46.865862] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 46.874126] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 46.882394] irq event stamp: 0 # [ 46.886119] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 46.899624] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 46.909054] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 46.918485] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 46.931992] ---[ end trace 666ee677a86ad355 ]--- # [ 46.937440] 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 # [ 47.058186] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 47.067932] lkdtm: attempting good refcount_add() without overflow # [ 47.081363] lkdtm: <6>[ 59.082063] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO attempting bad refcount_add() overflow # [ 47.093875] -------<6>[ 59.095218] lkdtm: attempting good copy_to_user inside whitelist -----[ cut here ]------------ # [ 47.099324] refcount_t: satu<6>[ 59.108447] lkdtm: attempting bad copy_to_user outside whitelist rated; leaking memory. # [ 47.111207] WARNING: CPU: 1 PID: 2046 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 47.127113] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger cros_usbpd_charger videobuf2_vmalloc videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c cros_usbpd_notify i2c_hid coreboot_table chromeos_pstore cros_kbd_led_backlight # [ 47.186068] CPU: 1 PID: 2046 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 47.201231] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 47.214545] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 47.226885] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 39 fa 16 02 00 75 ee 48 c7 c7 88 d9 0d 99 c6 05 29 fa 16 02 01 e8 09 f0 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 15 fa 16 02 00 75 cb 48 c7 c7 b0 d9 0d # [ 47.254400] RSP: 0018:ffff95fb4295fe48 EFLAGS: 00010286 # [ 47.266722] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 47.281195] RDX: ffff<6>[ 59.244956] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM 8e44facac620 RSI: ffff8e44fac9bf50 RDI: ffff8e44fac9bf50 # [ <6>[ 59.253756] lkdtm: attempting good copy_from_user inside whitelist 47.295674] RBP: ffffffff99182dab R08: 0000000000000000 R09: 0000<6>[ 59.267190] lkdtm: attempting bad copy_from_user outside whitelist 000000000000 # [ 47.310152] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 47.318417] R13: ffff95fb4295ff10 R14: ffff95fb4295ff10 R15: ffff8e448308e000 # [ 47.332891] FS: 00007f65d6b71580(0000) GS:ffff8e44fac80000(0000) knlGS:0000000000000000 # [ 47.342226] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.355145] CR2: 00007f65d697b000 CR3: 0000000102bb4006 CR4: 00000000003706e0 # [ 47.363410] Call Trace: # [ 47.372665] ? __warn+0x80/0x110 # [ 47.382770] ? refcount_warn_saturate+0x51/0x110 # [ 47.388243] ? report_bug+0x9e/0xc0 # [ 47.398659] ? handle_bug+0x41/0x90 # [ 47.402845] ? exc_invalid_op+0x14/0x70 # [ 47.413629] ? asm_exc_invalid_op+0x12/0x20 # [ 47.424850] ? refcount_warn_saturate+0x51/0x110 # [ 47.436517] ? refcount_warn_saturate+0x51/0x110 # [ 47.441989] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 47.453841] direct_entry.cold+0x2c/0x38 # [ 47.458516] full_proxy_write+0x53/0x80 # [ 47.469302] vfs_write+0xe7/0x3b0 # [ 47.479506] ksys_write+0x68/0xf0 # [ 47.489728] do_syscall_64+0x30/0x40 # [ 47.500222] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 47.512369] RIP: 0033:0x7f65d6a87473 # [ 47.522864] 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<6>[ 59.411588] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO 48 83 ec 28 48 89 54 24 18 # [ 47.550355] RSP: 002b:00007ffe<6>[ 59.424527] lkdtm: good_stack: ffff95fb43557e20-ffff95fb43557e40 f0c12fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 47.5<6>[ 59.437772] lkdtm: bad_stack : ffff95fb43557da8-ffff95fb43557dc8 65319] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f65<6>[ 59.450991] lkdtm: attempting good copy_to_user of local stack d6a87473 # [ 47.579800] RDX: 0000000000000016 RSI: 00007f65d6<6>[ 59.463971] lkdtm: attempting bad copy_to_user of distant stack 97b000 RDI: 0000000000000001 # [ 47.594279] RBP: 00007f65d697b000 R08: 00007f65d697a010 R09: 0000000000000000 # [ 47.608757] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 47.623237] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 47.637721] irq event stamp: 0 # [ 47.647648] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 47.661165] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 47.676807] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 47.692450] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 47.705956] ---[ end trace 666ee677a86ad356 ]--- # [ 47.717618] 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 # [ 47.846274] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 47.855159] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 47.868571] ------------[ cut here ]------------ # [ 47.880233] refcount_t: saturated; leaking memory. # [ 47.892123] WARNING: CPU: 1 PID: 2079 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 47.908022] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugf<6>[ 59.615776] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM <6>[ 59.627420] lkdtm: good_stack: ffff95fb435cfe20-ffff95fb435cfe40 <6>[ 59.634475] lkdtm: bad_stack : ffff95fb435cfda8-ffff95fb435cfdc8 s cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger cr<6>[ 59.641490] lkdtm: attempting good copy_from_user of local stack os_usbpd_charger videobuf2_vmalloc videobuf2_memops cros_ec_sens<6>[ 59.654696] lkdtm: attempting bad copy_from_user of distant stack orhub snd_soc_da7219 videobuf2_v4l2 gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c cros_usbpd_notify i2c_hid coreboot_table chromeos_pstore cros_kbd_led_backlight # [ 47.967010] CPU: 1 PID: 2079 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 47.982141] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 47.995452] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 48.007795] Code: 02 01 e8 e6 ef c5 00 0f 0b c3 cc cc cc cc 80 3d f4 f9 16 02 00 75 a8 48 c7 c7 88 d9 0d 99 c6 05 e4 f9 16 02 01 e8 c3 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d ce f9 16 02 00 75 85 48 c7 c7 e0 d9 0d # [ 48.035286] RSP: 0018:ffff95fb429efe38 EFLAGS: 00010282 # [ 48.047629] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 48.062132] RDX: ffff8e44facac620 RSI: ffff8e44fac9bf50 RDI: ffff8e44fac9bf50 # [ 48.076611] RBP: ffffffff991829e8 R08: 0000000000000000 R09: 0000000000000000 # [ 48.091091] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 48.105571] R13: ffff95fb429eff10 R14: ffff95fb429eff10 R15: ffff8e44862a0000 # [ 48.120050] FS: 00007f4d131d0580(0000) GS:ffff8e44fac80000(0000) knlGS:0000000000000000 # [ 48.135598] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.148524] CR2: 00007f4d12fda000 CR3: 00000001029f8004 CR4: 00000000003706e0 # [ 48.163005] Call Trace: # [ 48.172243] ? __warn+0x80/0x110 # [ 48.182349] ? refcount_warn_saturate+0x97/0x110 # [ 48.194012] ? report_bug+0x9e/0xc0 # [ 48.204414] ? handle_bug+0x41/0x90 # [ 48.214812] ? exc_invalid_op+0x14/0x70 # [ 48.22<6>[ 59.824760] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND <6>[ 59.836658] lkdtm: good_stack: ffff95fb43647e20-ffff95fb43647e40 <6>[ 59.843667] lkdtm: bad_stack : ffff95fb43647ff8-ffff95fb43648018 5600] ? asm_exc_invalid_op+0x12/0x20 # [ 48.236799] ? refco<6>[ 59.850681] lkdtm: attempting good copy_to_user of local stack <6>[ 59.863710] lkdtm: attempting bad copy_to_user of distant stack unt_warn_saturate+0x97/0x110 # [ 48.248443] ? refcount_warn_<4>[ 59.870642] lkdtm: copy_to_user failed, but lacked Oops saturate+0x97/0x110 # [ 48.260107] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 48.272742] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 48.285475] direct_entry.cold+0x2c/0x38 # [ 48.296363] full_proxy_write+0x53/0x80 # [ 48.307151] vfs_write+0xe7/0x3b0 # [ 48.317356] ksys_write+0x68/0xf0 # [ 48.327564] do_syscall_64+0x30/0x40 # [ 48.338062] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 48.350212] RIP: 0033:0x7f4d130e6473 # [ 48.360726] 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 # [ 48.388217] RSP: 002b:00007ffd7a494238 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.403182] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f4d130e6473 # [ 48.417665] RDX: 000000000000001f RSI: 00007f4d12fda000 RDI: 0000000000000001 # [ 48.432145] RBP: 00007f4d12fda000 R08: 00007f4d12fd9010 R09: 0000000000000000 # [ 48.446625] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 48.461104] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.475588] irq event stamp: 0 # [ 48.485500] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.499009] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 48.514653] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 48.530299] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.543809] ---[ end trace 666ee677a86ad357 ]--- # [ 48.555472] lkdtm: Overflow d<6>[ 60.043412] lkdtm: Performing direct entry USERCOPY_KERNEL etected: saturated # REFCOUNT_INC_NOT_ZERO_OVERFLOW: saw 'call <6>[ 60.051081] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff98cf8950 trace:': ok ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERF<6>[ 60.066265] lkdtm: attempting bad copy_to_user from kernel text: ffffffff972e2c60 LOW.sh # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh #<3>[ 60.081107] lkdtm: FAIL: survived bad copy_to_user() [ 48.674468] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 48.686809] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 48.700239] ------------[ cut here ]------------ # [ 48.711896] refcount_t: saturated; leaking memory. # [ 48.723815] WARNING: CPU: 0 PID: 2112 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 48.739713] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger cros_usbpd_charger videobuf2_vmalloc videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c cros_usbpd_notify i2c_hid coreboot_table chromeos_pstore cros_kbd_led_backlight # [ 48.798688] CPU: 0 PID: 2112 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 48.813825] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.827221] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 48.839498] Code: 02 01 e8 e6 ef c5 00 0f 0b c3 cc cc cc cc 80 3d f4 f9 16 02 00 75 a8 48 c7 c7 88 d9 0d 99 c6 05 e4 f9 16 02 01 e8 c3 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d ce f9 16 02 00 75 85 48 c7 c7 e0 d9 0d # [ 48.867025] RSP: 0018:ffff95fb42a5fe38 EFLAGS: 00010282 # [ 48.879356] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 48.893900] RDX: ffff8e44fac2c620 RSI: ffff8e44fac1bf50 RDI: ffff8e44fac1bf50 # [ 48.908347] RBP: <6>[ 60.242962] lkdtm: Performing direct entry STACKLEAK_ERASING ffffffff99182a08 R08: 0000000000000000 R09: 0000000000000000 # <6>[ 60.255312] lkdtm: checking unused part of the thread stack (15928 bytes)... [ 48.922856] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: <3>[ 60.269678] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) 000000000000001f # [ 48.937331] R13: ffff95fb42a5ff10 R14: ff<3>[ 60.283992] lkdtm: FAIL: the thread stack is NOT properly erased ff95fb42a5ff10 R15: ffff8e448496c000 # [ 48.951837] FS: 0000<4>[ 60.297230] CPU: 0 PID: 2941 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 60.312343] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 60.319436] Call Trace: <4>[ 60.322459] dump_stack+0x77/0x9b <4>[ 60.326454] lkdtm_STACKLEAK_ERASING+0x116/0x144 <4>[ 60.331899] direct_entry.cold+0x2c/0x38 <4>[ 60.336570] full_proxy_write+0x53/0x80 <4>[ 60.341146] vfs_write+0xe7/0x3b0 <4>[ 60.345127] ksys_write+0x68/0xf0 <4>[ 60.349116] do_syscall_64+0x30/0x40 <4>[ 60.353396] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 60.359326] RIP: 0033:0x7f279c8db473 <4>[ 60.363605] 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>[ 60.384880] RSP: 002b:00007fffc872d558 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 60.393627] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f279c8db473 <4>[ 60.401910] RDX: 0000000000000012 RSI: 00007f279c7cf000 RDI: 0000000000000001 <4>[ 60.410170] RBP: 00007f279c7cf000 R08: 00007f279c7ce010 R09: 0000000000000000 <4>[ 60.418430] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 60.426691] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 7ff0e487d580(0000) GS:ffff8e44fac00000(0000) knlGS:0000000000000000 # [ 48.967379] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.980335] CR2: 00007ff0e4687000 CR3: 0000000102ac2006 CR4: 00000000003706f0 # [ 48.994807] Call Trace: # [ 49.004083] ? __warn+0x80/0x110 # [ 49.014185] ? refcount_warn_saturate+0x97/0x110 # [ 49.025878] ? report_bug+0x9e/0xc0 # [ 49.036252] ? handle_bug+0x41/0x90 # [ 49.046660] ? exc_invalid_op+0x14/0x70 # [ 49.057463] ? asm_exc_invalid_op+0x12/0x20 # [ 49.068678] ? refcount_warn_saturate+0x97/0x110 # [ 49.080336] ? refcount_warn_saturate+0x97/0x110 # [ 49.092027] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 49.104654] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 49.117424] direct_entry.cold+0x2c/0x38 # [ 49.128293] full_proxy_write+0x53/0x80 # [ 49.139104] vfs_write+0xe7/0x3b0 # [ 49.149271] ksys_write+0x68/0xf0 # [ 49.159477] do_syscall_64+0x30/0x40 # [ 49.170027] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 49.182164] RIP: 0033:0x7ff0e4793473 # [ 49.192683] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 49.220190] RSP: 002b:00007fff37f9a118 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.235156] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007ff0e4793473 # [ 49.249632] RDX: 000000000000001f RSI: 00007ff0e4687000 RDI: 0000000000000001 # [ 49.264128] RBP: 00007ff0e4687000 R08: 00007ff0e4686010 R09: 0000000000000000 # [ 49.278625] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <6>[ 60.598958] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 49.293108] R13: 0000000000000001 R14: 0000000000020000 R15<6>[ 60.609656] lkdtm: Calling matched prototype ... : 0000000000020000 # [ 49.307588] irq event stamp: 0 # [ 4<6>[ 60.621307] lkdtm: Calling mismatched prototype ... 9.317499] hardirqs last enabled at (0): [<0000000000000000>] 0x<6>[ 60.633273] lkdtm: Fail: survived mismatched prototype function call! 0 # [ 49.331017] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 49.346655] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 49.362308] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.375808] ---[ end trace 666ee677a86ad358 ]--- # [ 49.387477] 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 # [ 49.522322] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 49.529967] lkdtm: attempting good refcount_dec() # [ 49.535514] lkdtm: attempting bad refcount_dec() to zero # [ 49.547960] ------------[ cut here ]------------ # [ 49.559612] refcount_t: decrement hit 0; leaking memory. # [ 49.572066] WARNING: CPU: 2 PID: 2145 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 49.587990] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger cros_usbpd_charger videobuf2_vmalloc videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c cros_usbpd_notify i2c_hid coreboot_table chromeos_pstore cros_kbd_led_backlight # [ 49.647000] CPU: 2 PID: 2145 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 49.655960] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.669262] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 49.675412] Code: 38 da 0d 99 c6 05 95 f9 16 02 01 e8 79 ef c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 08 da 0d 99 c6 05 7c f9 16 02 01 e8 5f ef c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 49.696703] RSP: 0018:ffff95fb42af7e48 EFLAGS: 00010286 # [ 49.702829] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 49.711093] RDX: ffff8e44fad2c620 RSI: ffff8e44fad1bf50 RDI: ffff8e44fad1bf50 # [ 49.719356] RBP: ffffffff99182dc1 R08: 0000000000000000 R09: 0000000000000000 # [ 49.727619] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 49.735883] R13: ffff95fb42af7f10 R14: ffff95fb42af7f10 R15: ffff8e44836f5000 # [ 49.744148] FS: 00007f8b93c3f580(0000) GS:ffff8e44fad00000(0000) knlGS:0000000000000000 # [ 49.753480] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.760188] CR2: 00007f8b93a49000 CR3: 00000001034b2006 CR4: 00000000003706e0 # [ 49.768450] Call Trace: # [ 49.771474] ? __warn+0x80/0x110 # [ 49.775395] ? refcount_warn_saturate+0xfb/0x110 # [ 49.787051] ? report_bug+0x9e/0xc0 # [ 49.791238] ? handle_bug+0x41/0x90 # [ 49.795455] ? exc_invalid_op+0x14/0x70 # [ 49.800028] ? asm_exc_invalid_op+0x12/0x20 # [ 49.805018] ? refcount_warn_saturate+0xfb/0x110 # [ 49.810493] ? refcount_warn_saturate+0xfb/0x110 # [ 49.822148] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 49.827402] direct_entry.cold+0x2c/0x38 # [ 49.832079] full_proxy_write+0x53/0x80 # [ 49.842866] vfs_write+0xe7/0x3b0 # [ 49.853072] ksys_write+0x68/0xf0 # [ 49.863281] do_syscall_64+0x30/0x40 # [ 49.867592] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 49.873528] RIP: 0033:0x7f8b93b55473 # [ 49.877810] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 49.899087] RSP: 002b:00007ffeadd4d5b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.907837] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f8b93b55473 # [ 49.916100] RDX: 0000000000000012 RSI: 00007f8b93a49000 RDI: 0000000000000001 # [ 49.924362] RBP: 00007f8b93a49000 R08: 00007f8b93a48010 R09: 0000000000000000 # [ 49.932626] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 49.940912] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.949178] irq event stamp: 0 # [ 49.952903] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.966404] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 49.975833] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 49.985260] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.992551] ---[ end trace 666ee677a86ad359 ]--- # [ 49.997998] 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 # [ 50.124219] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 50.134425] lkdtm: attempting bad refcount_dec() below zero # [ 50.140952] ------------[ cut here ]------------ # [ 50.146409] refcount_t: decrement hit 0; leaking memory. # [ 50.158858] WARNING: CPU: 2 PID: 2181 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 50.174782] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger cros_usbpd_charger videobuf2_vmalloc videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c cros_usbpd_notify i2c_hid coreboot_table chromeos_pstore cros_kbd_led_backlight # [ 50.233799] CPU: 2 PID: 2181 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 50.242755] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.256062] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 50.262189] Code: 38 da 0d 99 c6 05 95 f9 16 02 01 e8 79 ef c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 08 da 0d 99 c6 05 7c f9 16 02 01 e8 5f ef c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 50.283464] RSP: 0018:ffff95fb42b8fe48 EFLAGS: 00010286 # [ 50.289591] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 50.297855] RDX: ffff8e44fad2c620 RSI: ffff8e44fad1bf50 RDI: ffff8e44fad1bf50 # [ 50.306117] RBP: ffffffff99182dd3 R08: 0000000000000000 R09: 0000000000000000 # [ 50.314381] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 50.322657] R13: ffff95fb42b8ff10 R14: ffff95fb42b8ff10 R15: ffff8e44855ca000 # [ 50.330922] FS: 00007f8b87d53580(0000) GS:ffff8e44fad00000(0000) knlGS:0000000000000000 # [ 50.346462] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.353170] CR2: 00007f8b87b5d000 CR3: 0000000106524001 CR4: 00000000003706e0 # [ 50.361433] Call Trace: # [ 50.364454] ? __warn+0x80/0x110 # [ 50.368377] ? refcount_warn_saturate+0xfb/0x110 # [ 50.373825] ? report_bug+0x9e/0xc0 # [ 50.378013] ? handle_bug+0x41/0x90 # [ 50.382197] ? exc_invalid_op+0x14/0x70 # [ 50.386771] ? asm_exc_invalid_op+0x12/0x20 # [ 50.391744] ? refcount_warn_saturate+0xfb/0x110 # [ 50.397222] ? refcount_warn_saturate+0xfb/0x110 # [ 50.402672] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 50.408314] direct_entry.cold+0x2c/0x38 # [ 50.412986] full_proxy_write+0x53/0x80 # [ 50.417584] vfs_write+0xe7/0x3b0 # [ 50.421577] ksys_write+0x68/0xf0 # [ 50.431784] do_syscall_64+0x30/0x40 # [ 50.442278] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 50.454428] RIP: 0033:0x7f8b87c69473 # [ 50.464929] 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 # [ 50.492420] RSP: 002b:00007ffc398ffa38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.507386] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f8b87c69473 # [ 50.515651] RDX: 0000000000000016 RSI: 00007f8b87b5d000 RDI: 0000000000000001 # [ 50.530125] RBP: 00007f8b87b5d000 R08: 00007f8b87b5c010 R09: 0000000000000000 # [ 50.538388] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 50.552863] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 50.561130] irq event stamp: 0 # [ 50.571035] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 50.584546] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 50.600191] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 50.609620] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 50.623122] ---[ end trace 666ee677a86ad35a ]--- # [ 50.628572] 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 # [ 50.755464] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 50.766189] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 50.773609] ------------[ cut here ]------------ # [ 50.779061] refcount_t: underflow; use-after-free. # [ 50.790930] WARNING: CPU: 2 PID: 2217 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 50.806853] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger cros_usbpd_charger videobuf2_vmalloc videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c cros_usbpd_notify i2c_hid coreboot_table chromeos_pstore cros_kbd_led_backlight # [ 50.865866] CPU: 2 PID: 2217 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 50.874820] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.888128] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 50.894254] Code: 02 01 e8 c3 ef c5 00 0f 0b c3 cc cc cc cc 80 3d ce f9 16 02 00 75 85 48 c7 c7 e0 d9 0d 99 c6 05 be f9 16 02 01 e8 a0 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d a9 f9 16 02 00 0f 85 5e ff ff ff 48 c7 # [ 50.915530] RSP: 0018:ffff95fb42c27e40 EFLAGS: 00010286 # [ 50.921659] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 50.929922] RDX: ffff8e44fad2c620 RSI: ffff8e44fad1bf50 RDI: ffff8e44fad1bf50 # [ 50.938183] RBP: ffffffff99182a28 R08: 0000000000000000 R09: 0000000000000000 # [ 50.946445] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 50.954717] R13: ffff95fb42c27f10 R14: ffff95fb42c27f10 R15: ffff8e44840ed000 # [ 50.962978] FS: 00007f706fa6d580(0000) GS:ffff8e44fad00000(0000) knlGS:0000000000000000 # [ 50.972309] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.979016] CR2: 00007f706f877000 CR3: 0000000106548004 CR4: 00000000003706e0 # [ 50.987269] Call Trace: # [ 50.990291] ? __warn+0x80/0x110 # [ 50.994208] ? refcount_warn_saturate+0xba/0x110 # [ 50.999661] ? report_bug+0x9e/0xc0 # [ 51.003846] ? handle_bug+0x41/0x90 # [ 51.008054] ? exc_invalid_op+0x14/0x70 # [ 51.012626] ? asm_exc_invalid_op+0x12/0x20 # [ 51.017614] ? refcount_warn_saturate+0xba/0x110 # [ 51.023086] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 51.029506] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 51.036020] direct_entry.cold+0x2c/0x38 # [ 51.040723] full_proxy_write+0x53/0x80 # [ 51.045331] vfs_write+0xe7/0x3b0 # [ 51.049322] ksys_write+0x68/0xf0 # [ 51.053317] do_syscall_64+0x30/0x40 # [ 51.063812] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 51.075960] RIP: 0033:0x7f706f983473 # [ 51.086459] 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 # [ 51.107734] RSP: 002b:00007fffd48c3a78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.116484] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f706f983473 # [ 51.124746] RDX: 000000000000001f RSI: 00007f706f877000 RDI: 0000000000000001 # [ 51.133009] RBP: 00007f706f877000 R08: 00007f706f876010 R09: 0000000000000000 # [ 51.141271] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.149533] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.157791] irq event stamp: 0 # [ 51.161513] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 51.168804] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 51.178232] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 51.187660] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 51.194953] ---[ end trace 666ee677a86ad35b ]--- # [ 51.206611] 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 # [ 51.339118] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 51.350404] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 51.364033] ------------[ cut here ]------------ # [ 51.375691] refcount_t: underflow; use-after-free. # [ 51.387594] WARNING: CPU: 0 PID: 2253 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 51.403494] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger cros_usbpd_charger videobuf2_vmalloc videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c cros_usbpd_notify i2c_hid coreboot_table chromeos_pstore cros_kbd_led_backlight # [ 51.462475] CPU: 0 PID: 2253 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 51.477707] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.490916] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 51.503283] Code: 02 01 e8 c3 ef c5 00 0f 0b c3 cc cc cc cc 80 3d ce f9 16 02 00 75 85 48 c7 c7 e0 d9 0d 99 c6 05 be f9 16 02 01 e8 a0 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d a9 f9 16 02 00 0f 85 5e ff ff ff 48 c7 # [ 51.530747] RSP: 0018:ffff95fb42cbfe40 EFLAGS: 00010286 # [ 51.543136] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 51.557596] RDX: ffff8e44fac2c620 RSI: ffff8e44fac1bf50 RDI: ffff8e44fac1bf50 # [ 51.572127] RBP: ffffffff99182a48 R08: 0000000000000000 R09: 0000000000000000 # [ 51.586615] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 51.601105] R13: ffff95fb42cbff10 R14: ffff95fb42cbff10 R15: ffff8e4485b00000 # [ 51.615586] FS: 00007f5e8f555580(0000) GS:ffff8e44fac00000(0000) knlGS:0000000000000000 # [ 51.631167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.644061] CR2: 00007f5e8f35f000 CR3: 00000001060c4004 CR4: 00000000003706f0 # [ 51.658545] Call Trace: # [ 51.667788] ? __warn+0x80/0x110 # [ 51.677905] ? refcount_warn_saturate+0xba/0x110 # [ 51.689561] ? report_bug+0x9e/0xc0 # [ 51.699970] ? handle_bug+0x41/0x90 # [ 51.710367] ? exc_invalid_op+0x14/0x70 # [ 51.721170] ? asm_exc_invalid_op+0x12/0x20 # [ 51.732346] ? refcount_warn_saturate+0xba/0x110 # [ 51.744016] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 51.756643] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b # [ 51.769388] direct_entry.cold+0x2c/0x38 # [ 51.780258] full_proxy_write+0x53/0x80 # [ 51.791079] vfs_write+0xe7/0x3b0 # [ 51.801266] ksys_write+0x68/0xf0 # [ 51.811507] do_syscall_64+0x30/0x40 # [ 51.821980] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 51.834141] RIP: 0033:0x7f5e8f46b473 # [ 51.844640] 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 # [ 51.872132] RSP: 002b:00007ffefd6c78d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.887099] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f5e8f46b473 # [ 51.901561] RDX: 000000000000001f RSI: 00007f5e8f35f000 RDI: 0000000000000001 # [ 51.916078] RBP: 00007f5e8f35f000 R08: 00007f5e8f35e010 R09: 0000000000000000 # [ 51.930520] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.938808] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.953300] irq event stamp: 0 # [ 51.963206] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 51.976741] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 51.992347] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 52.007992] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 52.021539] ---[ end trace 666ee677a86ad35c ]--- # [ 52.033166] 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 # [ 52.219661] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 52.231693] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 52.239095] lkdtm: Good: zero detected # [ 52.243588] lkdtm: Correctly stayed at zero # [ 52.248565] lkdtm: attempting bad refcount_inc() from zero # [ 52.254994] ------------[ cut here ]------------ # [ 52.260449] refcount_t: addition on 0; use-after-free. # [ 52.266509] WARNING: CPU: 2 PID: 2286 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 52.276235] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger cros_usbpd_charger videobuf2_vmalloc videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c cros_usbpd_notify i2c_hid coreboot_table chromeos_pstore cros_kbd_led_backlight # [ 52.335187] CPU: 2 PID: 2286 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 52.344161] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.351264] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 52.357422] Code: 02 01 e8 09 f0 c5 00 0f 0b c3 cc cc cc cc 80 3d 15 fa 16 02 00 75 cb 48 c7 c7 b0 d9 0d 99 c6 05 05 fa 16 02 01 e8 e6 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d f4 f9 16 02 00 75 a8 48 c7 c7 88 d9 0d # [ 52.378712] RSP: 0018:ffff95fb42d37e48 EFLAGS: 00010286 # [ 52.384839] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 52.393104] RDX: ffff8e44fad2c620 RSI: ffff8e44fad1bf50 RDI: ffff8e44fad1bf50 # [ 52.401371] RBP: ffffffff99182de9 R08: 0000000000000000 R09: 0000000000000000 # [ 52.409656] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 52.417920] R13: ffff95fb42d37f10 R14: ffff95fb42d37f10 R15: ffff8e44831a5000 # [ 52.426184] FS: 00007f2f5c781580(0000) GS:ffff8e44fad00000(0000) knlGS:0000000000000000 # [ 52.435517] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.442230] CR2: 00007f2f5c58b000 CR3: 0000000102faa004 CR4: 00000000003706e0 # [ 52.450492] Call Trace: # [ 52.453516] ? __warn+0x80/0x110 # [ 52.457442] ? refcount_warn_saturate+0x74/0x110 # [ 52.462923] ? report_bug+0x9e/0xc0 # [ 52.467142] ? handle_bug+0x41/0x90 # [ 52.471357] ? exc_invalid_op+0x14/0x70 # [ 52.482140] ? asm_exc_invalid_op+0x12/0x20 # [ 52.487106] ? refcount_warn_saturate+0x74/0x110 # [ 52.492581] ? refcount_warn_saturate+0x74/0x110 # [ 52.504239] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 52.515707] direct_entry.cold+0x2c/0x38 # [ 52.526597] full_proxy_write+0x53/0x80 # [ 52.531201] vfs_write+0xe7/0x3b0 # [ 52.541401] ksys_write+0x68/0xf0 # [ 52.545423] do_syscall_64+0x30/0x40 # [ 52.549715] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 52.555661] RIP: 0033:0x7f2f5c697473 # [ 52.559946] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 52.581245] RSP: 002b:00007ffe4b3df308 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.590011] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f2f5c697473 # [ 52.604478] RDX: 0000000000000012 RSI: 00007f2f5c58b000 RDI: 0000000000000001 # [ 52.612744] RBP: 00007f2f5c58b000 R08: 00007f2f5c58a010 R09: 0000000000000000 # [ 52.621006] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 52.629270] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 52.637540] irq event stamp: 0 # [ 52.641259] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 52.654763] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 52.664221] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 52.673663] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 52.680962] ---[ end trace 666ee677a86ad35d ]--- # [ 52.692619] 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 # [ 52.815643] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 52.822440] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 52.829832] lkdtm: Good: zero detected # [ 52.834311] lkdtm: Correctly stayed at zero # [ 52.845486] lkdtm: attempting bad refcount_add() from zero # [ 52.851906] ------------[ cut here ]------------ # [ 52.863568] refcount_t: addition on 0; use-after-free. # [ 52.869663] WARNING: CPU: 2 PID: 2319 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 52.885599] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger cros_usbpd_charger videobuf2_vmalloc videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c cros_usbpd_notify i2c_hid coreboot_table chromeos_pstore cros_kbd_led_backlight # [ 52.944621] CPU: 2 PID: 2319 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 52.953578] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.966889] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 52.973041] Code: 02 01 e8 09 f0 c5 00 0f 0b c3 cc cc cc cc 80 3d 15 fa 16 02 00 75 cb 48 c7 c7 b0 d9 0d 99 c6 05 05 fa 16 02 01 e8 e6 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d f4 f9 16 02 00 75 a8 48 c7 c7 88 d9 0d # [ 52.994347] RSP: 0018:ffff95fb42dbfe48 EFLAGS: 00010286 # [ 53.000477] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 53.008740] RDX: ffff8e44fad2c620 RSI: ffff8e44fad1bf50 RDI: ffff8e44fad1bf50 # [ 53.017006] RBP: ffffffff99182dfb R08: 0000000000000000 R09: 0000000000000000 # [ 53.025269] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 53.033532] R13: ffff95fb42dbff10 R14: ffff95fb42dbff10 R15: ffff8e4482b3a000 # [ 53.041795] FS: 00007f1635462580(0000) GS:ffff8e44fad00000(0000) knlGS:0000000000000000 # [ 53.051129] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.057838] CR2: 00007f163526c000 CR3: 0000000102d80002 CR4: 00000000003706e0 # [ 53.066102] Call Trace: # [ 53.069127] ? __warn+0x80/0x110 # [ 53.073053] ? refcount_warn_saturate+0x74/0x110 # [ 53.078503] ? report_bug+0x9e/0xc0 # [ 53.082706] ? handle_bug+0x41/0x90 # [ 53.086915] ? exc_invalid_op+0x14/0x70 # [ 53.091490] ? asm_exc_invalid_op+0x12/0x20 # [ 53.096455] ? refcount_warn_saturate+0x74/0x110 # [ 53.101934] ? refcount_warn_saturate+0x74/0x110 # [ 53.113588] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 53.118844] direct_entry.cold+0x2c/0x38 # [ 53.129731] full_proxy_write+0x53/0x80 # [ 53.140527] vfs_write+0xe7/0x3b0 # [ 53.150729] ksys_write+0x68/0xf0 # [ 53.154723] do_syscall_64+0x30/0x40 # [ 53.159035] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 53.164970] RIP: 0033:0x7f1635378473 # [ 53.169283] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 53.190559] RSP: 002b:00007ffd867bc6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 53.199310] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f1635378473 # [ 53.207574] RDX: 0000000000000012 RSI: 00007f163526c000 RDI: 0000000000000001 # [ 53.215838] RBP: 00007f163526c000 R08: 00007f163526b010 R09: 0000000000000000 # [ 53.224118] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 53.232383] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 53.240665] irq event stamp: 0 # [ 53.250575] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 53.257869] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 53.267299] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 53.276728] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 53.284021] ---[ end trace 666ee677a86ad35e ]--- # [ 53.289468] 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 # [ 53.450013] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 53.463176] lkdtm: attempting bad refcount_inc() from saturated # [ 53.476292] ------------[ cut here ]------------ # [ 53.487952] refcount_t: saturated; leaking memory. # [ 53.493630] WARNING: CPU: 1 PID: 2355 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 53.509525] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger cros_usbpd_charger videobuf2_vmalloc videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c cros_usbpd_notify i2c_hid coreboot_table chromeos_pstore cros_kbd_led_backlight # [ 53.568484] CPU: 1 PID: 2355 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 53.583662] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.596978] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 53.603107] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 39 fa 16 02 00 75 ee 48 c7 c7 88 d9 0d 99 c6 05 29 fa 16 02 01 e8 09 f0 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 15 fa 16 02 00 75 cb 48 c7 c7 b0 d9 0d # [ 53.630590] RSP: 0018:ffff95fb42e5fe48 EFLAGS: 00010286 # [ 53.636721] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 53.651192] RDX: ffff8e44facac620 RSI: ffff8e44fac9bf50 RDI: ffff8e44fac9bf50 # [ 53.659458] RBP: ffffffff99182e0d R08: 0000000000000000 R09: 0000000000000000 # [ 53.673932] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 53.682195] R13: ffff95fb42e5ff10 R14: ffff95fb42e5ff10 R15: ffff8e44840ed000 # [ 53.690460] FS: 00007f50e088b580(0000) GS:ffff8e44fac80000(0000) knlGS:0000000000000000 # [ 53.699808] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.712724] CR2: 00007f50e0695000 CR3: 00000001029a0003 CR4: 00000000003706e0 # [ 53.720986] Call Trace: # [ 53.730221] ? __warn+0x80/0x110 # [ 53.740332] ? refcount_warn_saturate+0x51/0x110 # [ 53.751995] ? report_bug+0x9e/0xc0 # [ 53.762397] ? handle_bug+0x41/0x90 # [ 53.772796] ? exc_invalid_op+0x14/0x70 # [ 53.783585] ? asm_exc_invalid_op+0x12/0x20 # [ 53.794792] ? refcount_warn_saturate+0x51/0x110 # [ 53.806453] ? refcount_warn_saturate+0x51/0x110 # [ 53.818113] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 53.830069] direct_entry.cold+0x2c/0x38 # [ 53.834788] full_proxy_write+0x53/0x80 # [ 53.845570] vfs_write+0xe7/0x3b0 # [ 53.855795] ksys_write+0x68/0xf0 # [ 53.859789] do_syscall_64+0x30/0x40 # [ 53.870281] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 53.876216] RIP: 0033:0x7f50e07a1473 # [ 53.886709] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 53.907987] RSP: 002b:00007ffe5cb91b18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 53.922947] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f50e07a1473 # [ 53.931211] RDX: 0000000000000017 RSI: 00007f50e0695000 RDI: 0000000000000001 # [ 53.945698] RBP: 00007f50e0695000 R08: 00007f50e0694010 R09: 0000000000000000 # [ 53.953994] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 53.968467] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 53.976735] irq event stamp: 0 # [ 53.986659] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 53.993954] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 54.009592] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 54.019022] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 54.032525] ---[ end trace 666ee677a86ad35f ]--- # [ 54.044189] 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 # [ 54.180506] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 54.187939] lkdtm: attempting bad refcount_dec() from saturated # [ 54.201057] ------------[ cut here ]------------ # [ 54.212716] refcount_t: decrement hit 0; leaking memory. # [ 54.225174] WARNING: CPU: 1 PID: 2391 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 54.241094] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger cros_usbpd_charger videobuf2_vmalloc videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c cros_usbpd_notify i2c_hid coreboot_table chromeos_pstore cros_kbd_led_backlight # [ 54.300056] CPU: 1 PID: 2391 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 54.315215] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.328534] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 54.328536] Code: 38 da 0d 99 c6 05 95 f9 16 02 01 e8 79 ef c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 08 da 0d 99 c6 05 7c f9 16 02 01 e8 5f ef c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 54.328538] RSP: 0018:ffff95fb42effe48 EFLAGS: 00010286 # [ 54.380719] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 54.395201] RDX: ffff8e44facac620 RSI: ffff8e44fac9bf50 RDI: ffff8e44fac9bf50 # [ 54.409678] RBP: ffffffff99182e24 R08: 0000000000000000 R09: 0000000000000000 # [ 54.424159] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 54.438638] R13: ffff95fb42efff10 R14: ffff95fb42efff10 R15: ffff8e4482a38000 # [ 54.453119] FS: 00007f7640d57580(0000) GS:ffff8e44fac80000(0000) knlGS:0000000000000000 # [ 54.468668] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.481594] CR2: 00007f7640b61000 CR3: 00000001029f8005 CR4: 00000000003706e0 # [ 54.496073] Call Trace: # [ 54.505314] ? __warn+0x80/0x110 # [ 54.515420] ? refcount_warn_saturate+0xfb/0x110 # [ 54.527084] ? report_bug+0x9e/0xc0 # [ 54.537484] ? handle_bug+0x41/0x90 # [ 54.547882] ? exc_invalid_op+0x14/0x70 # [ 54.558673] ? asm_exc_invalid_op+0x12/0x20 # [ 54.569854] ? refcount_warn_saturate+0xfb/0x110 # [ 54.581514] ? refcount_warn_saturate+0xfb/0x110 # [ 54.593177] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 54.605133] direct_entry.cold+0x2c/0x38 # [ 54.616022] full_proxy_write+0x53/0x80 # [ 54.626810] vfs_write+0xe7/0x3b0 # [ 54.637017] ksys_write+0x68/0xf0 # [ 54.647224] do_syscall_64+0x30/0x40 # [ 54.657741] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 54.669890] RIP: 0033:0x7f7640c6d473 # [ 54.674200] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 54.701684] RSP: 002b:00007ffe95a36668 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 54.716670] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f7640c6d473 # [ 54.724934] RDX: 0000000000000017 RSI: 00007f7640b61000 RDI: 0000000000000001 # [ 54.739408] RBP: 00007f7640b61000 R08: 00007f7640b60010 R09: 0000000000000000 # [ 54.747674] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 54.762146] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 54.770414] irq event stamp: 0 # [ 54.780326] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 54.787621] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 54.803258] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 54.812699] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 54.820023] ---[ end trace 666ee677a86ad360 ]--- # [ 54.831681] 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 # [ 55.002837] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 55.012981] lkdtm: attempting bad refcount_dec() from saturated # [ 55.019886] ------------[ cut here ]------------ # [ 55.025334] refcount_t: saturated; leaking memory. # [ 55.031003] WARNING: CPU: 3 PID: 2427 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 55.046943] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger cros_usbpd_charger videobuf2_vmalloc videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c cros_usbpd_notify i2c_hid coreboot_table chromeos_pstore cros_kbd_led_backlight # [ 55.105937] CPU: 3 PID: 2427 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 55.114903] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.122001] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 55.128129] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 39 fa 16 02 00 75 ee 48 c7 c7 88 d9 0d 99 c6 05 29 fa 16 02 01 e8 09 f0 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 15 fa 16 02 00 75 cb 48 c7 c7 b0 d9 0d # [ 55.149403] RSP: 0018:ffff95fb42f87e48 EFLAGS: 00010286 # [ 55.155530] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 55.163792] RDX: ffff8e44fadac620 RSI: ffff8e44fad9bf50 RDI: ffff8e44fad9bf50 # [ 55.172056] RBP: ffffffff99182e3b R08: 0000000000000000 R09: 0000000000000000 # [ 55.180320] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 55.188583] R13: ffff95fb42f87f10 R14: ffff95fb42f87f10 R15: ffff8e4482ef4000 # [ 55.196838] FS: 00007fd1a06b8580(0000) GS:ffff8e44fad80000(0000) knlGS:0000000000000000 # [ 55.206168] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.212877] CR2: 00007fd1a04c2000 CR3: 00000001030ec004 CR4: 00000000003706e0 # [ 55.221140] Call Trace: # [ 55.224163] ? __warn+0x80/0x110 # [ 55.228087] ? refcount_warn_saturate+0x51/0x110 # [ 55.233534] ? report_bug+0x9e/0xc0 # [ 55.237723] ? handle_bug+0x41/0x90 # [ 55.241932] ? exc_invalid_op+0x14/0x70 # [ 55.246506] ? asm_exc_invalid_op+0x12/0x20 # [ 55.251470] ? refcount_warn_saturate+0x51/0x110 # [ 55.256942] ? refcount_warn_saturate+0x51/0x110 # [ 55.262392] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 55.268131] direct_entry.cold+0x2c/0x38 # [ 55.272802] full_proxy_write+0x53/0x80 # [ 55.277380] vfs_write+0xe7/0x3b0 # [ 55.287584] ksys_write+0x68/0xf0 # [ 55.297789] do_syscall_64+0x30/0x40 # [ 55.308287] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 55.314243] RIP: 0033:0x7fd1a05ce473 # [ 55.318525] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 55.339799] RSP: 002b:00007ffcffd7e7b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 55.348554] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fd1a05ce473 # [ 55.356846] RDX: 0000000000000017 RSI: 00007fd1a04c2000 RDI: 0000000000000001 # [ 55.371315] RBP: 00007fd1a04c2000 R08: 00007fd1a04c1010 R09: 0000000000000000 # [ 55.379578] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 55.387842] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 55.396108] irq event stamp: 0 # [ 55.399831] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 55.407123] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 55.416552] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 55.425981] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 55.433271] ---[ end trace 666ee677a86ad361 ]--- # [ 55.438716] 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 # [ 55.577912] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 55.589710] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 55.603759] ------------[ cut here ]------------ # [ 55.615400] refcount_t: saturated; leaking memory. # [ 55.627271] WARNING: CPU: 0 PID: 2460 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 55.643263] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger cros_usbpd_charger videobuf2_vmalloc videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c cros_usbpd_notify i2c_hid coreboot_table chromeos_pstore cros_kbd_led_backlight # [ 55.702165] CPU: 0 PID: 2460 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 55.717387] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.730729] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 55.743014] Code: 02 01 e8 e6 ef c5 00 0f 0b c3 cc cc cc cc 80 3d f4 f9 16 02 00 75 a8 48 c7 c7 88 d9 0d 99 c6 05 e4 f9 16 02 01 e8 c3 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d ce f9 16 02 00 75 85 48 c7 c7 e0 d9 0d # [ 55.770476] RSP: 0018:ffff95fb43007e38 EFLAGS: 00010282 # [ 55.782861] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 55.797318] RDX: ffff8e44fac2c620 RSI: ffff8e44fac1bf50 RDI: ffff8e44fac1bf50 # [ 55.811826] RBP: ffffffff99182a68 R08: 0000000000000000 R09: 0000000000000000 # [ 55.826285] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 55.840788] R13: ffff95fb43007f10 R14: ffff95fb43007f10 R15: ffff8e448316c000 # [ 55.855247] FS: 00007f3f500cd580(0000) GS:ffff8e44fac00000(0000) knlGS:0000000000000000 # [ 55.870801] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.883735] CR2: 00007f3f4fed7000 CR3: 0000000105908001 CR4: 00000000003706f0 # [ 55.898240] Call Trace: # [ 55.907457] ? __warn+0x80/0x110 # [ 55.917570] ? refcount_warn_saturate+0x97/0x110 # [ 55.929259] ? report_bug+0x9e/0xc0 # [ 55.939703] ? handle_bug+0x41/0x90 # [ 55.950085] ? exc_invalid_op+0x14/0x70 # [ 55.960914] ? asm_exc_invalid_op+0x12/0x20 # [ 55.972110] ? refcount_warn_saturate+0x97/0x110 # [ 55.983803] ? refcount_warn_saturate+0x97/0x110 # [ 55.995438] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 56.008082] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 56.020924] direct_entry.cold+0x2c/0x38 # [ 56.031862] full_proxy_write+0x53/0x80 # [ 56.042633] vfs_write+0xe7/0x3b0 # [ 56.052867] ksys_write+0x68/0xf0 # [ 56.063068] do_syscall_64+0x30/0x40 # [ 56.073602] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 56.085757] RIP: 0033:0x7f3f4ffe3473 # [ 56.096308] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 56.123780] RSP: 002b:00007fff25c8ca78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.138779] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f3f4ffe3473 # [ 56.153243] RDX: 0000000000000020 RSI: 00007f3f4fed7000 RDI: 0000000000000001 # [ 56.167750] RBP: 00007f3f4fed7000 R08: 00007f3f4fed6010 R09: 0000000000000000 # [ 56.182208] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 56.196704] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 56.211201] irq event stamp: 0 # [ 56.221089] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 56.234616] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 56.250284] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 56.265932] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 56.279428] ---[ end trace 666ee677a86ad362 ]--- # [ 56.291091] 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 # [ 56.478787] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 56.491802] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 56.505797] ------------[ cut here ]------------ # [ 56.517460] refcount_t: saturated; leaking memory. # [ 56.529335] WARNING: CPU: 1 PID: 2493 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 56.545253] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger cros_usbpd_charger videobuf2_vmalloc videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c cros_usbpd_notify i2c_hid coreboot_table chromeos_pstore cros_kbd_led_backlight # [ 56.604236] CPU: 1 PID: 2493 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 56.619388] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.632682] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 56.645022] Code: 02 01 e8 e6 ef c5 00 0f 0b c3 cc cc cc cc 80 3d f4 f9 16 02 00 75 a8 48 c7 c7 88 d9 0d 99 c6 05 e4 f9 16 02 01 e8 c3 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d ce f9 16 02 00 75 85 48 c7 c7 e0 d9 0d # [ 56.666325] RSP: 0018:ffff95fb4307fe38 EFLAGS: 00010282 # [ 56.678663] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 56.693144] RDX: ffff8e44facac620 RSI: ffff8e44fac9bf50 RDI: ffff8e44fac9bf50 # [ 56.701408] RBP: ffffffff99182a88 R08: 0000000000000000 R09: 0000000000000000 # [ 56.715881] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 56.724146] R13: ffff95fb4307ff10 R14: ffff95fb4307ff10 R15: ffff8e44840f6000 # [ 56.738623] FS: 00007fc81e1b6580(0000) GS:ffff8e44fac80000(0000) knlGS:0000000000000000 # [ 56.754171] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.760882] CR2: 00007fc81dfc0000 CR3: 0000000103190001 CR4: 00000000003706e0 # [ 56.775355] Call Trace: # [ 56.778382] ? __warn+0x80/0x110 # [ 56.788481] ? refcount_warn_saturate+0x97/0x110 # [ 56.793955] ? report_bug+0x9e/0xc0 # [ 56.804352] ? handle_bug+0x41/0x90 # [ 56.814790] ? exc_invalid_op+0x14/0x70 # [ 56.825578] ? asm_exc_invalid_op+0x12/0x20 # [ 56.836777] ? refcount_warn_saturate+0x97/0x110 # [ 56.848420] ? refcount_warn_saturate+0x97/0x110 # [ 56.853870] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 56.866498] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 56.873112] direct_entry.cold+0x2c/0x38 # [ 56.883995] full_proxy_write+0x53/0x80 # [ 56.894783] vfs_write+0xe7/0x3b0 # [ 56.904991] ksys_write+0x68/0xf0 # [ 56.915199] do_syscall_64+0x30/0x40 # [ 56.925713] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 56.937857] RIP: 0033:0x7fc81e0cc473 # [ 56.948353] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 56.975844] RSP: 002b:00007ffd90f584e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.984620] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fc81e0cc473 # [ 56.999094] RDX: 0000000000000020 RSI: 00007fc81dfc0000 RDI: 0000000000000001 # [ 57.007359] RBP: 00007fc81dfc0000 R08: 00007fc81dfbf010 R09: 0000000000000000 # [ 57.021834] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 57.030099] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 57.044577] irq event stamp: 0 # [ 57.054514] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 57.061810] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 57.074534] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 57.083967] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 57.091447] ---[ end trace 666ee677a86ad363 ]--- # [ 57.096897] 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 # [ 57.274332] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 57.285120] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 57.299117] ------------[ cut here ]------------ # [ 57.310779] refcount_t: underflow; use-after-free. # [ 57.322675] WARNING: CPU: 1 PID: 2529 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 57.338596] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger cros_usbpd_charger videobuf2_vmalloc videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c cros_usbpd_notify i2c_hid coreboot_table chromeos_pstore cros_kbd_led_backlight # [ 57.397552] CPU: 1 PID: 2529 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 57.412714] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 57.426028] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 57.438371] Code: 02 01 e8 c3 ef c5 00 0f 0b c3 cc cc cc cc 80 3d ce f9 16 02 00 75 85 48 c7 c7 e0 d9 0d 99 c6 05 be f9 16 02 01 e8 a0 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d a9 f9 16 02 00 0f 85 5e ff ff ff 48 c7 # [ 57.459668] RSP: 0018:ffff95fb43107e40 EFLAGS: 00010286 # [ 57.471997] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 57.486472] RDX: ffff8e44facac620 RSI: ffff8e44fac9bf50 RDI: ffff8e44fac9bf50 # [ 57.494736] RBP: ffffffff99182aa8 R08: 0000000000000000 R09: 0000000000000000 # [ 57.509210] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 57.517476] R13: ffff95fb43107f10 R14: ffff95fb43107f10 R15: ffff8e4482fdb000 # [ 57.531951] FS: 00007f910f50c580(0000) GS:ffff8e44fac80000(0000) knlGS:0000000000000000 # [ 57.541306] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.554227] CR2: 00007f910f316000 CR3: 0000000106520005 CR4: 00000000003706e0 # [ 57.562492] Call Trace: # [ 57.571724] ? __warn+0x80/0x110 # [ 57.581832] ? refcount_warn_saturate+0xba/0x110 # [ 57.587283] ? report_bug+0x9e/0xc0 # [ 57.597678] ? handle_bug+0x41/0x90 # [ 57.608077] ? exc_invalid_op+0x14/0x70 # [ 57.612677] ? asm_exc_invalid_op+0x12/0x20 # [ 57.623850] ? refcount_warn_saturate+0xba/0x110 # [ 57.635512] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 57.648149] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 57.660978] direct_entry.cold+0x2c/0x38 # [ 57.665665] full_proxy_write+0x53/0x80 # [ 57.676463] vfs_write+0xe7/0x3b0 # [ 57.686672] ksys_write+0x68/0xf0 # [ 57.696879] do_syscall_64+0x30/0x40 # [ 57.707375] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 57.719524] RIP: 0033:0x7f910f422473 # [ 57.730021] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 57.751300] RSP: 002b:00007ffe33366648 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 57.766259] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f910f422473 # [ 57.774524] RDX: 0000000000000020 RSI: 00007f910f316000 RDI: 0000000000000001 # [ 57.788998] RBP: 00007f910f316000 R08: 00007f910f315010 R09: 0000000000000000 # [ 57.797262] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 57.805526] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 57.813795] irq event stamp: 0 # [ 57.823732] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 57.831027] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 57.846666] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 57.856094] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 57.869596] ---[ end trace 666ee677a86ad364 ]--- # [ 57.875044] 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 # [ 58.036683] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 58.050775] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 58.058567] ------------[ cut here ]------------ # [ 58.064023] refcount_t: underflow; use-after-free. # [ 58.075892] WARNING: CPU: 3 PID: 2565 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 58.091817] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger cros_usbpd_charger videobuf2_vmalloc videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi cros_ec_dev x86_pkg_temp_thermal videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c cros_usbpd_notify i2c_hid coreboot_table chromeos_pstore cros_kbd_led_backlight # [ 58.150809] CPU: 3 PID: 2565 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 58.159785] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.166886] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 58.173046] Code: 02 01 e8 c3 ef c5 00 0f 0b c3 cc cc cc cc 80 3d ce f9 16 02 00 75 85 48 c7 c7 e0 d9 0d 99 c6 05 be f9 16 02 01 e8 a0 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d a9 f9 16 02 00 0f 85 5e ff ff ff 48 c7 # [ 58.194322] RSP: 0018:ffff95fb43197e40 EFLAGS: 00010286 # [ 58.200451] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 58.208719] RDX: ffff8e44fadac620 RSI: ffff8e44fad9bf50 RDI: ffff8e44fad9bf50 # [ 58.216983] RBP: ffffffff99182ac8 R08: 0000000000000000 R09: 0000000000000000 # [ 58.225249] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 58.233513] R13: ffff95fb43197f10 R14: ffff95fb43197f10 R15: ffff8e4483195000 # [ 58.241779] FS: 00007fe5ef991580(0000) GS:ffff8e44fad80000(0000) knlGS:0000000000000000 # [ 58.251111] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.257823] CR2: 00007fe5ef79b000 CR3: 0000000102fac006 CR4: 00000000003706e0 # [ 58.266086] Call Trace: # [ 58.269112] ? __warn+0x80/0x110 # [ 58.273038] ? refcount_warn_saturate+0xba/0x110 # [ 58.278488] ? report_bug+0x9e/0xc0 # [ 58.282712] ? handle_bug+0x41/0x90 # [ 58.286931] ? exc_invalid_op+0x14/0x70 # [ 58.291537] ? asm_exc_invalid_op+0x12/0x20 # [ 58.296523] ? refcount_warn_saturate+0xba/0x110 # [ 58.301983] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 58.314613] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 58.321258] direct_entry.cold+0x2c/0x38 # [ 58.325933] full_proxy_write+0x53/0x80 # [ 58.330540] vfs_write+0xe7/0x3b0 # [ 58.334564] ksys_write+0x68/0xf0 # [ 58.338588] do_syscall_64+0x30/0x40 # [ 58.342874] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 58.355023] RIP: 0033:0x7fe5ef8a7473 # [ 58.365519] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 58.393013] RSP: 002b:00007fffca608478 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.401795] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fe5ef8a7473 # [ 58.410085] RDX: 0000000000000020 RSI: 00007fe5ef79b000 RDI: 0000000000000001 # [ 58.418362] RBP: 00007fe5ef79b000 R08: 00007fe5ef79a010 R09: 0000000000000000 # [ 58.432829] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 58.441093] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 58.449363] irq event stamp: 0 # [ 58.453094] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 58.460390] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 58.469821] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 58.479250] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 58.486544] ---[ end trace 666ee677a86ad365 ]--- # [ 58.491992] 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 # [ 58.716938] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 58.728961] lkdtm: attempting good copy_to_user of correct size # [ 58.742090] 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 # [ 58.897375] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 58.905553] lkdtm: attempting good copy_from_user of correct size # [ 58.918872] 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 # [ 59.082063] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 59.095218] lkdtm: attempting good copy_to_user inside whitelist # [ 59.108447] 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 # [ 59.244956] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 59.253756] lkdtm: attempting good copy_from_user inside whitelist # [ 59.267190] 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 # [ 59.411588] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 59.424527] lkdtm: good_stack: ffff95fb43557e20-ffff95fb43557e40 # [ 59.437772] lkdtm: bad_stack : ffff95fb43557da8-ffff95fb43557dc8 # [ 59.450991] lkdtm: attempting good copy_to_user of local stack # [ 59.463971] 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 # [ 59.615776] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 59.627420] lkdtm: good_stack: ffff95fb435cfe20-ffff95fb435cfe40 # [ 59.634475] lkdtm: bad_stack : ffff95fb435cfda8-ffff95fb435cfdc8 # [ 59.641490] lkdtm: attempting good copy_from_user of local stack # [ 59.654696] 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 # [ 59.824760] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 59.836658] lkdtm: good_stack: ffff95fb43647e20-ffff95fb43647e40 # [ 59.843667] lkdtm: bad_stack : ffff95fb43647ff8-ffff95fb43648018 # [ 59.850681] lkdtm: attempting good copy_to_user of local stack # [ 59.863710] lkdtm: attempting bad copy_to_user of distant stack # [ 59.870642] 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 # [ 60.043412] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 60.051081] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff98cf8950 # [ 60.066265] lkdtm: attempting bad copy_to_user from kernel text: ffffffff972e2c60 # [ 60.081107] 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 # [ 60.242962] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 60.255312] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 60.269678] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 60.283992] lkdtm: FAIL: the thread stack is NOT properly erased # [ 60.297230] CPU: 0 PID: 2941 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 60.312343] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 60.319436] Call Trace: # [ 60.322459] dump_stack+0x77/0x9b # [ 60.326454] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 60.331899] direct_entry.cold+0x2c/0x38 # [ 60.336570] full_proxy_write+0x53/0x80<6>[ 66.774773] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) # [ 60.341146] vfs_write+0xe7/0x3b0 # [ 60.345127] ksys<6>[ 66.784195] pci 0000:00:1e.6: deferred probe pending _write+0x68/0xf0 # [ 60.349116] do_syscall_64+0x30/0x40 # [ 60.353396] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 60.359326] RIP: 0033:0x7f279c8db473 # [ 60.363605] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 60.384880] RSP: 002b:00007fffc872d558 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.393627] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f279c8db473 # [ 60.401910] RDX: 0000000000000012 RSI: 00007f279c7cf000 RDI: 0000000000000001 # [ 60.410170] RBP: 00007f279c7cf000 R08: 00007f279c7ce010 R09: 0000000000000000 # [ 60.418430] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 60.426691] 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 # [ 60.598958] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 60.609656] lkdtm: Calling matched prototype ... # [ 60.621307] lkdtm: Calling mismatched prototype ... # [ 60.633273] 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 / #