[Enter `^Ec?' for help] coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: .Timeout wait for TPM IRQ! . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_B:0.5.5/cr50_v1.9308_87_mp.479-d7921eab Initialized TPM device CR50 revision 0 tlcl_send_startup: Startup return code is 0 TPM: setup succeeded src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0 Chrome EC: UHEPI supported Phase 1 FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x0 / 0x0 Phase 2 Phase 3 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_report_dev_firmware() This is developer signed firmware FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) VB2:vb2_verify_keyblock() Checking key block signature... FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) VB2:vb2_verify_fw_preamble() Verifying preamble. Phase 4 FMAP: area FW_MAIN_B found @ 5f8000 (4030400 bytes) VB2:vb2api_init_hash() HW crypto for hash_alg 2 not supported, using SW VB2:vb2_rsa_verify_digest() Digest check failed! VB2:vb2_fail() Need recovery, reason: 0x1b / 0x7 Saving nvdata Reboot requested (10020007) board_reset() called! full_reset() called! coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_B:0.5.5/cr50_v1.9308_87_mp.479-d7921eab 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 64139 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fspm.bin' CBFS: Found @ offset 103fc0 size 63000 Chrome EC: UHEPI supported FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RECOVERY_MRC_CACHE found @ 9d0000 (65536 bytes) Probing TPM: done! Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_B:0.5.5/cr50_v1.9308_87_mp.479-d7921eab Initialized TPM device CR50 revision 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: Hash comparison successful. Using data from RECOVERY_MRC_CACHE MRC cache found, size 1868 bootmode is set to :2 SPD index 1 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'spd.bin' CBFS: Found @ offset 1a0240 size 800 SPD: module type is LPDDR3 SPD: module part is K4E8E324EB-EGCF SPD: banks 8, ranks 1, rows 15, columns 10, density 8192 Mb SPD: device width 32 bits, bus width 64 bits SPD: module size is 2048 MB (per channel) CBMEM: IMD: root @ 7afff000 254 entries. IMD: root @ 7affec00 62 entries. External stage cache: IMD: root @ 7b3ff000 254 entries. IMD: root @ 7b3fec00 62 entries. creating vboot_handoff structure Chrome EC: clear events_b mask to 0x0000000021004000 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 tlcl_write: response is 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: TPM MRC hash updated successfully. 2 DIMMs found top_of_ram = 0x7b000000 MTRR Range: Start=7a000000 End=7b000000 (Size 1000000) MTRR Range: Start=7b000000 End=7b800000 (Size 800000) MTRR Range: Start=ff000000 End=0 (Size 1000000) CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/postcar' CBFS: Found @ offset 197000 size 3f04 Decompressing stage fallback/postcar @ 0x7abd0fc0 (32720 bytes) Loading module at 7abd1000 with entry 7abd1000. filesize: 0x3cd0 memsize: 0x7f90 Processing 118 relocs. Offset value of 0x78bd1000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 postcar starting... CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/ramstage' CBFS: Found @ offset e8d80 size 1a462 Decompressing stage fallback/ramstage @ 0x7ab05fc0 (826808 bytes) Loading module at 7ab06000 with entry 7ab06000. filesize: 0x38d90 memsize: 0xc9d78 Processing 3657 relocs. Offset value of 0x79d06000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 ramstage starting... FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RO_VPD found @ c00000 (16384 bytes) WARNING: RO_VPD is uninitialized or empty. FMAP: area RW_VPD found @ 9f8000 (8192 bytes) FMAP: area RW_VPD found @ 9f8000 (8192 bytes) Normal boot. BS: BS_PRE_DEVICE times (us): entry 0 run 30 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'cpu_microcode_blob.bin' CBFS: Found @ offset 11100 size d7c00 microcode: sig=0x806e9 pf=0x10 revision=0x97 Skip microcode update CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fsps.bin' CBFS: Found @ offset 167fc0 size 2f000 Detected 2 core, 4 thread CPU. Setting up SMI for CPU IED base = 0x7b400000 IED size = 0x00400000 Will perform SMM setup. CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz. Loading module at 00030000 with entry 00030000. filesize: 0x170 memsize: 0x170 Processing 16 relocs. Offset value of 0x00030000 Attempting to start 3 APs Waiting for 10ms after sending INIT. Waiting for 1st SIPI to complete...done. AP: slot 2 apic_id 3. AP: slot 3 apic_id 2. AP: slot 1 apic_id 1. Waiting for 2nd SIPI to complete...done. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab21603(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010a19. filesize: 0x3b08 memsize: 0x8bc0 Processing 243 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd SMM Module: stub loaded at 7b008000. Will call 7b010a19(00000000) Clearing SMI status registers SMI_STS: PM1 PM1_STS: PWRBTN TCO_STS: BOOT SECOND_TO New SMBASE 0x7b000000 In relocation handler: CPU 0 New SMBASE=0x7b000000 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afffc00 In relocation handler: CPU 1 New SMBASE=0x7afffc00 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff800 In relocation handler: CPU 2 New SMBASE=0x7afff800 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff400 In relocation handler: CPU 3 New SMBASE=0x7afff400 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. Initializing CPU #0 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC... apic_id: 0x00 done. Turbo is available but hidden Turbo has been enabled SGX : param.enable = 0 Skip microcode update CPU #0 initialized Initializing CPU #1 Initializing CPU #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...Setting up local APIC...CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 apic_id: 0x03 done. Setting up local APIC... apic_id: 0x01 done. Skip microcode update apic_id: 0x02 done. CPU #2 initialized Skip microcode update Skip microcode update CPU #3 initialized 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 376069 run 164029 exit 0 Enumerating buses... Show all devs... Before device enumeration. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 00:5c: enabled 1 I2C: 00:15: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 APIC: 02: enabled 1 Compare with tree... Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 APIC: 00: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 APIC: 02: enabled 1 DOMAIN: 0000: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 USB0 port 0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 I2C: 00:5c: enabled 1 PCI: 00:15.1: enabled 1 I2C: 00:15: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 SPI: 00: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PNP: 0c09.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 Root Device scanning... root_dev_scan_bus for Root Device CPU_CLUSTER: 0 enabled DOMAIN: 0000 enabled DOMAIN: 0000 scanning... PCI: pci_scan_bus for bus 00 PCI: 00:00.0 [8086/0000] ops PCI: 00:00.0 [8086/590c] enabled PCI: 00:02.0 [8086/0000] ops PCI: 00:02.0 [8086/591c] enabled PCI: 00:04.0 [8086/1903] enabled PCI: 00:08.0 [8086/1911] enabled PCI: 00:14.0 [8086/0000] bus ops PCI: 00:14.0 [8086/9d2f] enabled PCI: 00:14.2 [8086/9d31] enabled PCI: 00:15.0 [8086/0000] bus ops PCI: 00:15.0 [8086/9d60] enabled PCI: 00:15.1 [8086/0000] bus ops PCI: 00:15.1 [8086/9d61] enabled PCI: 00:16.0 [8086/0000] ops PCI: 00:16.0 [8086/9d3a] enabled PCI: 00:19.0 [8086/0000] ops PCI: 00:19.0 [8086/9d66] enabled PCI: 00:19.1 [8086/0000] bus ops PCI: 00:19.1 [8086/9d65] enabled PCI: 00:1c.0 [8086/0000] bus ops PCI: 00:1c.0 [8086/9d10] enabled PCI: 00:1e.0 [8086/0000] ops PCI: 00:1e.0 [8086/9d27] enabled PCI: 00:1e.2 [8086/0000] bus ops PCI: 00:1e.2 [8086/9d29] enabled PCI: 00:1e.4 [8086/9d2b] enabled PCI: 00:1e.6 [8086/0000] ops PCI: 00:1e.6 [8086/9d2d] enabled PCI: 00:1f.0 [8086/0000] bus ops PCI: 00:1f.0 [8086/9d4b] enabled PCI: Static device PCI: 00:1f.1 not found, disabling it. PCI: 00:1f.2 [8086/0000] bus ops PCI: 00:1f.2 [8086/9d21] enabled PCI: 00:1f.3 [8086/0000] bus ops PCI: 00:1f.3 [8086/9d71] enabled PCI: 00:1f.4 [8086/0000] bus ops PCI: 00:1f.4 [8086/9d23] enabled PCI: 00:1f.5 [8086/0000] bus ops PCI: 00:1f.5 [8086/9d24] enabled PCI: 00:14.0 scanning... scan_usb_bus for PCI: 00:14.0 USB0 port 0 enabled USB0 port 0 scanning... scan_usb_bus for USB0 port 0 USB2 port 0 enabled USB2 port 1 enabled USB2 port 2 enabled USB2 port 4 enabled USB2 port 8 enabled USB2 port 0 scanning... scan_usb_bus for USB2 port 0 scan_usb_bus for USB2 port 0 done scan_bus: scanning of bus USB2 port 0 took 8972 usecs USB2 port 1 scanning... scan_usb_bus for USB2 port 1 scan_usb_bus for USB2 port 1 done scan_bus: scanning of bus USB2 port 1 took 8972 usecs USB2 port 2 scanning... scan_usb_bus for USB2 port 2 scan_usb_bus for USB2 port 2 done scan_bus: scanning of bus USB2 port 2 took 8975 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 8975 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 8975 usecs scan_usb_bus for USB0 port 0 done scan_bus: scanning of bus USB0 port 0 took 90972 usecs scan_usb_bus for PCI: 00:14.0 done scan_bus: scanning of bus PCI: 00:14.0 took 107752 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 14144 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 14145 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 22372 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 53533 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 11322 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 2718 usecs PCI: 00:1f.4 scanning... scan_generic_bus for PCI: 00:1f.4 scan_generic_bus for PCI: 00:1f.4 done scan_bus: scanning of bus PCI: 00:1f.4 took 10048 usecs PCI: 00:1f.5 scanning... scan_generic_bus for PCI: 00:1f.5 scan_generic_bus for PCI: 00:1f.5 done scan_bus: scanning of bus PCI: 00:1f.5 took 10040 usecs scan_bus: scanning of bus DOMAIN: 0000 took 466055 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 486170 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 825978 exit 39237 found VGA at PCI: 00:02.0 Setting up VGA for PCI: 00:02.0 Setting PCI_BRIDGE_CTL_VGA for bridge DOMAIN: 0000 Setting PCI_BRIDGE_CTL_VGA for bridge Root Device Allocating resources... Reading resources... Root Device read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 PCI: 00:14.0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 done PCI: 00:14.0 read_resources bus 0 link: 0 done PCI: 00:15.0 read_resources bus 1 link: 0 PCI: 00:15.0 read_resources bus 1 link: 0 done PCI: 00:15.1 read_resources bus 2 link: 0 PCI: 00:15.1 read_resources bus 2 link: 0 done PCI: 00:19.1 read_resources bus 3 link: 0 PCI: 00:19.1 read_resources bus 3 link: 0 done PCI: 00:1c.0 read_resources bus 1 link: 0 PCI: 00:1c.0 read_resources bus 1 link: 0 done PCI: 00:1e.2 read_resources bus 4 link: 0 PCI: 00:1e.2 read_resources bus 4 link: 0 done PCI: 00:1f.0 read_resources bus 0 link: 0 PCI: 00:1f.0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 done Root Device read_resources bus 0 link: 0 done Done reading resources. Show resources in subtree (Root Device)...After reading. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 03 APIC: 02 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffff flags 40040100 index 10000000 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base 0 size 1000000 align 24 gran 24 limit ffffffffffffffff flags 201 index 10 PCI: 00:02.0 resource base 0 size 10000000 align 28 gran 28 limit ffffffffffffffff flags 1201 index 18 PCI: 00:02.0 resource base 0 size 40 align 6 gran 6 limit ffff flags 100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base 0 size 8000 align 15 gran 15 limit ffffffffffffffff flags 201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base 0 size 0 align 12 gran 12 limit ffff flags 80102 index 1c PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffffffffffff flags 81202 index 24 PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffff flags 80202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base 0 size 2000 align 13 gran 13 limit ffffffffffffffff flags 201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base 0 size 4000 align 14 gran 14 limit ffffffff flags 200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base 0 size 4000 align 14 gran 14 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.3 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base 0 size 100 align 12 gran 8 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base 0 size 1000 align 12 gran 12 limit ffffffff flags 200 index 10 PCI: 00:1f.6 DOMAIN: 0000 io: base: 0 size: 0 align: 0 gran: 0 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff done PCI: 00:02.0 20 * [0x0 - 0x3f] io DOMAIN: 0000 io: base: 40 size: 40 align: 6 gran: 0 limit: ffff done DOMAIN: 0000 mem: base: 0 size: 0 align: 0 gran: 0 limit: ffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff done PCI: 00:1c.0 mem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffff PCI: 01:00.0 10 * [0x0 - 0x1fff] mem PCI: 00:1c.0 mem: base: 2000 size: 100000 align: 20 gran: 20 limit: ffffffff done PCI: 00:02.0 18 * [0x0 - 0xfffffff] prefmem PCI: 00:02.0 10 * [0x10000000 - 0x10ffffff] mem PCI: 00:1c.0 20 * [0x11000000 - 0x110fffff] mem PCI: 00:14.0 10 * [0x11100000 - 0x1110ffff] mem PCI: 00:1f.3 20 * [0x11110000 - 0x1111ffff] mem PCI: 00:04.0 10 * [0x11120000 - 0x11127fff] mem PCI: 00:1f.2 10 * [0x11128000 - 0x1112bfff] mem PCI: 00:1f.3 10 * [0x1112c000 - 0x1112ffff] mem PCI: 00:08.0 10 * [0x11130000 - 0x11130fff] mem PCI: 00:14.2 10 * [0x11131000 - 0x11131fff] mem PCI: 00:15.0 10 * [0x11132000 - 0x11132fff] mem PCI: 00:15.1 10 * [0x11133000 - 0x11133fff] mem PCI: 00:16.0 10 * [0x11134000 - 0x11134fff] mem PCI: 00:19.0 18 * [0x11135000 - 0x11135fff] mem PCI: 00:19.1 10 * [0x11136000 - 0x11136fff] mem PCI: 00:1e.0 10 * [0x11137000 - 0x11137fff] mem PCI: 00:1e.2 10 * [0x11138000 - 0x11138fff] mem PCI: 00:1e.4 10 * [0x11139000 - 0x11139fff] mem PCI: 00:1e.6 10 * [0x1113a000 - 0x1113afff] mem PCI: 00:1f.5 10 * [0x1113b000 - 0x1113bfff] mem PCI: 00:1f.4 10 * [0x1113c000 - 0x1113c0ff] mem DOMAIN: 0000 mem: base: 1113c100 size: 1113c100 align: 28 gran: 0 limit: ffffffff done avoid_fixed_resources: DOMAIN: 0000 avoid_fixed_resources:@DOMAIN: 0000 10000000 limit 0000ffff avoid_fixed_resources:@DOMAIN: 0000 10000100 limit ffffffff constrain_resources: PCI: 00:00.0 00 base e0000000 limit e3ffffff mem (fixed) constrain_resources: PCI: 00:00.0 08 base 00000000 limit 0009ffff mem (fixed) constrain_resources: PCI: 00:00.0 09 base 000c0000 limit 7affffff mem (fixed) constrain_resources: PCI: 00:00.0 0b base 7b000000 limit 7b7fffff mem (fixed) constrain_resources: PCI: 00:00.0 0c base 7b800000 limit 7fffffff mem (fixed) constrain_resources: PCI: 00:1f.0 00 base 00000000 limit 00000fff io (fixed) constrain_resources: PCI: 00:1f.2 40 base 00001800 limit 000018ff io (fixed) constrain_resources: PCI: 00:1f.4 20 base 0000efa0 limit 0000efbf io (fixed) avoid_fixed_resources:@DOMAIN: 0000 10000000 base 00001900 limit 0000ef9f avoid_fixed_resources:@DOMAIN: 0000 10000100 base c0000000 limit dfffffff Setting resources... DOMAIN: 0000 io: base:1900 size:40 align:6 gran:0 limit:ef9f PCI: 00:02.0 20 * [0x1c00 - 0x1c3f] io DOMAIN: 0000 io: next_base: 1c40 size: 40 align: 6 gran: 0 done PCI: 00:1c.0 io: base:ef9f size:0 align:12 gran:12 limit:ef9f PCI: 00:1c.0 io: next_base: ef9f size: 0 align: 12 gran: 12 done DOMAIN: 0000 mem: base:c0000000 size:1113c100 align:28 gran:0 limit:dfffffff PCI: 00:02.0 18 * [0xc0000000 - 0xcfffffff] prefmem PCI: 00:02.0 10 * [0xd0000000 - 0xd0ffffff] mem PCI: 00:1c.0 20 * [0xd1000000 - 0xd10fffff] mem PCI: 00:14.0 10 * [0xd1100000 - 0xd110ffff] mem PCI: 00:1f.3 20 * [0xd1110000 - 0xd111ffff] mem PCI: 00:04.0 10 * [0xd1120000 - 0xd1127fff] mem PCI: 00:1f.2 10 * [0xd1128000 - 0xd112bfff] mem PCI: 00:1f.3 10 * [0xd112c000 - 0xd112ffff] mem PCI: 00:08.0 10 * [0xd1130000 - 0xd1130fff] mem PCI: 00:14.2 10 * [0xd1131000 - 0xd1131fff] mem PCI: 00:15.0 10 * [0xd1132000 - 0xd1132fff] mem PCI: 00:15.1 10 * [0xd1133000 - 0xd1133fff] mem PCI: 00:16.0 10 * [0xd1134000 - 0xd1134fff] mem PCI: 00:19.0 18 * [0xd1135000 - 0xd1135fff] mem PCI: 00:19.1 10 * [0xd1136000 - 0xd1136fff] mem PCI: 00:1e.0 10 * [0xd1137000 - 0xd1137fff] mem PCI: 00:1e.2 10 * [0xd1138000 - 0xd1138fff] mem PCI: 00:1e.4 10 * [0xd1139000 - 0xd1139fff] mem PCI: 00:1e.6 10 * [0xd113a000 - 0xd113afff] mem PCI: 00:1f.5 10 * [0xd113b000 - 0xd113bfff] mem PCI: 00:1f.4 10 * [0xd113c000 - 0xd113c0ff] mem DOMAIN: 0000 mem: next_base: d113c100 size: 1113c100 align: 28 gran: 0 done PCI: 00:1c.0 prefmem: base:dfffffff size:0 align:20 gran:20 limit:dfffffff PCI: 00:1c.0 prefmem: next_base: dfffffff size: 0 align: 20 gran: 20 done PCI: 00:1c.0 mem: base:d1000000 size:100000 align:20 gran:20 limit:d10fffff PCI: 01:00.0 10 * [0xd1000000 - 0xd1001fff] mem PCI: 00:1c.0 mem: next_base: d1002000 size: 100000 align: 20 gran: 20 done Root Device assign_resources, bus 0 link: 0 DOMAIN: 0000 assign_resources, bus 0 link: 0 PCI: 00:02.0 10 <- [0x00d0000000 - 0x00d0ffffff] size 0x01000000 gran 0x18 mem64 PCI: 00:02.0 18 <- [0x00c0000000 - 0x00cfffffff] size 0x10000000 gran 0x1c prefmem64 PCI: 00:02.0 20 <- [0x0000001c00 - 0x0000001c3f] size 0x00000040 gran 0x06 io PCI: 00:04.0 10 <- [0x00d1120000 - 0x00d1127fff] size 0x00008000 gran 0x0f mem64 PCI: 00:08.0 10 <- [0x00d1130000 - 0x00d1130fff] size 0x00001000 gran 0x0c mem64 PCI: 00:14.0 10 <- [0x00d1100000 - 0x00d110ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.2 10 <- [0x00d1131000 - 0x00d1131fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 10 <- [0x00d1132000 - 0x00d1132fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.1 10 <- [0x00d1133000 - 0x00d1133fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:16.0 10 <- [0x00d1134000 - 0x00d1134fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.0 18 <- [0x00d1135000 - 0x00d1135fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 10 <- [0x00d1136000 - 0x00d1136fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:1c.0 1c <- [0x000000ef9f - 0x000000ef9e] size 0x00000000 gran 0x0c bus 01 io PCI: 00:1c.0 24 <- [0x00dfffffff - 0x00dffffffe] size 0x00000000 gran 0x14 bus 01 prefmem PCI: 00:1c.0 20 <- [0x00d1000000 - 0x00d10fffff] size 0x00100000 gran 0x14 bus 01 mem PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 01:00.0 10 <- [0x00d1000000 - 0x00d1001fff] size 0x00002000 gran 0x0d mem64 PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 00:1e.0 10 <- [0x00d1137000 - 0x00d1137fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 10 <- [0x00d1138000 - 0x00d1138fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.4 10 <- [0x00d1139000 - 0x00d1139fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.6 10 <- [0x00d113a000 - 0x00d113afff] size 0x00001000 gran 0x0c mem64 PCI: 00:1f.0 assign_resources, bus 0 link: 0 PCI: 00:1f.0 assign_resources, bus 0 link: 0 LPC: Trying to open IO window from 800 size 1ff PCI: 00:1f.2 10 <- [0x00d1128000 - 0x00d112bfff] size 0x00004000 gran 0x0e mem PCI: 00:1f.3 10 <- [0x00d112c000 - 0x00d112ffff] size 0x00004000 gran 0x0e mem64 PCI: 00:1f.3 20 <- [0x00d1110000 - 0x00d111ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:1f.4 10 <- [0x00d113c000 - 0x00d113c0ff] size 0x00000100 gran 0x08 mem64 PCI: 00:1f.5 10 <- [0x00d113b000 - 0x00d113bfff] size 0x00001000 gran 0x0c mem DOMAIN: 0000 assign_resources, bus 0 link: 0 Root Device assign_resources, bus 0 link: 0 Done setting resources. Show resources in subtree (Root Device)...After assigning values. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 03 APIC: 02 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 1900 size 40 align 6 gran 0 limit ef9f flags 40040100 index 10000000 DOMAIN: 0000 resource base c0000000 size 1113c100 align 28 gran 0 limit dfffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base d0000000 size 1000000 align 24 gran 24 limit d0ffffff flags 60000201 index 10 PCI: 00:02.0 resource base c0000000 size 10000000 align 28 gran 28 limit cfffffff flags 60001201 index 18 PCI: 00:02.0 resource base 1c00 size 40 align 6 gran 6 limit 1c3f flags 60000100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base d1120000 size 8000 align 15 gran 15 limit d1127fff flags 60000201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base d1130000 size 1000 align 12 gran 12 limit d1130fff flags 60000201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base d1100000 size 10000 align 16 gran 16 limit d110ffff flags 60000201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base d1131000 size 1000 align 12 gran 12 limit d1131fff flags 60000201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base d1132000 size 1000 align 12 gran 12 limit d1132fff flags 60000201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base d1133000 size 1000 align 12 gran 12 limit d1133fff flags 60000201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base d1134000 size 1000 align 12 gran 12 limit d1134fff flags 60000201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base d1135000 size 1000 align 12 gran 12 limit d1135fff flags 60000201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base d1136000 size 1000 align 12 gran 12 limit d1136fff flags 60000201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base ef9f size 0 align 12 gran 12 limit ef9f flags 60080102 index 1c PCI: 00:1c.0 resource base dfffffff size 0 align 20 gran 20 limit dfffffff flags 60081202 index 24 PCI: 00:1c.0 resource base d1000000 size 100000 align 20 gran 20 limit d10fffff flags 60080202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base d1000000 size 2000 align 13 gran 13 limit d1001fff flags 60000201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base d1137000 size 1000 align 12 gran 12 limit d1137fff flags 60000201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base d1138000 size 1000 align 12 gran 12 limit d1138fff flags 60000201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base d1139000 size 1000 align 12 gran 12 limit d1139fff flags 60000201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base d113a000 size 1000 align 12 gran 12 limit d113afff flags 60000201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base d1128000 size 4000 align 14 gran 14 limit d112bfff flags 60000200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base d112c000 size 4000 align 14 gran 14 limit d112ffff flags 60000201 index 10 PCI: 00:1f.3 resource base d1110000 size 10000 align 16 gran 16 limit d111ffff flags 60000201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base d113c000 size 100 align 12 gran 8 limit d113c0ff flags 60000201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base d113b000 size 1000 align 12 gran 12 limit d113bfff flags 60000200 index 10 PCI: 00:1f.6 Done allocating resources. BS: BS_DEV_RESOURCES times (us): entry 0 run 2114268 exit 31 Enabling resources... PCI: 00:00.0 subsystem <- 8086/590c PCI: 00:00.0 cmd <- 06 PCI: 00:02.0 subsystem <- 8086/591c PCI: 00:02.0 cmd <- 03 PCI: 00:04.0 cmd <- 02 PCI: 00:08.0 cmd <- 06 PCI: 00:14.0 subsystem <- 8086/9d2f PCI: 00:14.0 cmd <- 02 PCI: 00:14.2 subsystem <- 8086/9d31 PCI: 00:14.2 cmd <- 02 PCI: 00:15.0 subsystem <- 8086/9d60 PCI: 00:15.0 cmd <- 06 PCI: 00:15.1 subsystem <- 8086/9d61 PCI: 00:15.1 cmd <- 06 PCI: 00:16.0 subsystem <- 8086/9d3a PCI: 00:16.0 cmd <- 02 PCI: 00:19.0 subsystem <- 8086/9d66 PCI: 00:19.0 cmd <- 06 PCI: 00:19.1 subsystem <- 8086/9d65 PCI: 00:19.1 cmd <- 06 PCI: 00:1c.0 bridge ctrl <- 0003 PCI: 00:1c.0 subsystem <- 8086/9d10 PCI: 00:1c.0 cmd <- 06 PCI: 00:1e.0 subsystem <- 8086/9d27 PCI: 00:1e.0 cmd <- 06 PCI: 00:1e.2 subsystem <- 8086/9d29 PCI: 00:1e.2 cmd <- 06 PCI: 00:1e.4 subsystem <- 8086/9d2b PCI: 00:1e.4 cmd <- 06 PCI: 00:1e.6 subsystem <- 8086/9d2d PCI: 00:1e.6 cmd <- 06 PCI: 00:1f.0 subsystem <- 8086/9d4b PCI: 00:1f.0 cmd <- 407 PCI: 00:1f.2 subsystem <- 8086/9d21 PCI: 00:1f.2 cmd <- 02 PCI: 00:1f.3 subsystem <- 8086/9d71 PCI: 00:1f.3 cmd <- 02 PCI: 00:1f.4 subsystem <- 8086/9d23 PCI: 00:1f.4 cmd <- 03 PCI: 00:1f.5 subsystem <- 8086/9d24 PCI: 00:1f.5 cmd <- 406 PCI: 01:00.0 subsystem <- 8086/095a PCI: 01:00.0 cmd <- 02 done. ME: Version : 11.8.50.3470 BS: BS_DEV_ENABLE times (us): entry 230 run 139329 exit 18296 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 30857 usecs CPU_CLUSTER: 0 init ... CPU_CLUSTER: 0 init finished in 2443 usecs PCI: 00:00.0 init ... CPU TDP: 5 Watts CPU PL2 = 18 Watts PCI: 00:00.0 init finished in 6986 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2249 usecs PCI: 00:04.0 init ... PCI: 00:04.0 init finished in 2249 usecs PCI: 00:08.0 init ... PCI: 00:08.0 init finished in 2248 usecs PCI: 00:14.0 init ... PCI: 00:14.0 init finished in 2241 usecs PCI: 00:14.2 init ... PCI: 00:14.2 init finished in 2249 usecs PCI: 00:15.0 init ... DW I2C bus 0 at 0xd1132000 (400 KHz) PCI: 00:15.0 init finished in 5969 usecs PCI: 00:15.1 init ... DW I2C bus 1 at 0xd1133000 (400 KHz) PCI: 00:15.1 init finished in 5967 usecs PCI: 00:16.0 init ... PCI: 00:16.0 init finished in 2248 usecs PCI: 00:19.1 init ... DW I2C bus 5 at 0xd1136000 (400 KHz) PCI: 00:19.1 init finished in 5968 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 2249 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 23477 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 23778 usecs PCI: 00:1f.4 init ... PCI: 00:1f.4 init finished in 2259 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2394 usecs PNP: 0c09.0 init ... Google Chrome EC: Hello got back 11223344 status (0) Google Chrome EC: version: ro: rammus_v2.0.387-f0df0fe2e rw: rammus_v2.0.425-6e0dd622e running image: 1 EC returned error result code 1 PNP: 0c09.0 init finished in 24433 usecs Devices initialized Show all devs... After init. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 0 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 01:5c: enabled 1 I2C: 02:15: enabled 1 I2C: 03:39: enabled 1 I2C: 03:3a: enabled 1 I2C: 03:1a: enabled 1 PCI: 01:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 APIC: 02: enabled 1 PCI: 00:04.0: enabled 1 PCI: 00:08.0: enabled 1 FMAP: area RW_ELOG found @ 9f0000 (16384 bytes) ELOG: NV offset 0x9f0000 size 0x4000 ELOG: area is 4096 bytes, full threshold 3842, shrink size 1024 ELOG: Event(17) added with size 13 at 2024-03-06 21:32:30 UTC POST: Unexpected post code in previous boot: 0x34 ELOG: Event(A3) added with size 11 at 2024-03-06 21:32:30 UTC ELOG: Event(A6) added with size 13 at 2024-03-06 21:32:30 UTC ELOG: Event(92) added with size 9 at 2024-03-06 21:32:30 UTC ELOG: Event(9A) added with size 9 at 2024-03-06 21:32:30 UTC ELOG: Event(AD) added with size 10 at 2024-03-06 21:32:30 UTC ELOG: Event(9F) added with size 14 at 2024-03-06 21:32:30 UTC BS: BS_DEV_INIT times (us): entry 0 run 417039 exit 66287 ELOG: Event(A1) added with size 10 at 2024-03-06 21:32:30 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2024-03-06 21:32:30 UTC elog_add_boot_reason: Logged dev mode boot Finalize devices... Devices finalized FMAP: area RW_NVRAM found @ 9fa000 (24576 bytes) BS: BS_POST_DEVICE times (us): entry 25551 run 3960 exit 5209 BS: BS_OS_RESUME_CHECK times (us): entry 0 run 55 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/dsdt.aml' CBFS: Found @ offset 19af40 size 4691 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/slic' CBFS: 'fallback/slic' not found. ACPI: Writing ACPI tables at 7aa9a000. ACPI: * FACS ACPI: * DSDT Ramoops buffer: 0x100000@0x7a999000. SGX: not enabled or not supported. skip gnvs fill ACPI: * FADT SCI is IRQ9 ACPI: added table 1/32, length now 40 ACPI: * SSDT Found 1 CPU(s) with 4 core(s) each. \_SB.PCI0.I2C0.H05C: SISC Touchscreen at I2C: 01:5c \_SB.PCI0.I2C1.D015: ELAN Touchpad at I2C: 02:15 \_SB.PCI0.I2C5.MAXR: Maxim MAX98927 Codec address 039h \_SB.PCI0.I2C5.MAXL: Maxim MAX98927 Codec address 03ah \_SB.PCI0.I2C5.DLG7: Dialog Semiconductor DA7219 Audio Codec address 01ah irq 105 Error: Could not locate 'wifi_sar' in VPD. Error: failed from getting SAR limits! \_SB.PCI0.RP01.WIFI: Intel WiFi PCI: 01:00.0 \_SB.PCI0.SPI0.S001: SPI Device at SPI: 00 \_SB.PCI0.XHCI.RHUB.HS01: USB Type C Port 1 at USB2 port 0 \_SB.PCI0.XHCI.RHUB.HS02: USB Type A Port 1 at USB2 port 1 \_SB.PCI0.XHCI.RHUB.HS03: Bluetooth at USB2 port 2 \_SB.PCI0.XHCI.RHUB.HS05: USB Type C Port 2 at USB2 port 4 \_SB.PCI0.XHCI.RHUB.HS09: Camera at USB2 port 8 ACPI: added table 2/32, length now 44 ACPI: * MCFG ACPI: added table 3/32, length now 48 ACPI: * TPM2 ACPI: added table 4/32, length now 52 ACPI: * MADT SCI is IRQ9 ACPI: added table 5/32, length now 56 current = 7aa9fa60 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-16b.bin' CBFS: Found @ offset 167000 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-32b.bin' CBFS: Found @ offset 19f640 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-24b.bin' CBFS: Found @ offset 167c00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 ACPI: * NHLT ACPI: added table 6/32, length now 60 ACPI: * DMAR ACPI: added table 7/32, length now 64 ACPI: * IGD OpRegion GMA: Found VBT in CBFS GMA: Found valid VBT in CBFS current = 7aaa3610 ACPI: added table 8/32, length now 68 ACPI: * HPET ACPI: added table 9/32, length now 72 ACPI: done. ACPI tables: 38592 bytes. smbios_write_tables: 7a998000 Create SMBIOS type 17 PCI: 01:00.0 (Intel WiFi) SMBIOS tables: 662 bytes. Writing table forward entry at 0x00000500 Wrote coreboot table at: 00000500, 0x10 bytes, checksum a532 Writing coreboot table at 0x7aabe000 0. 0000000000000000-0000000000000fff: CONFIGURATION TABLES 1. 0000000000001000-000000000009ffff: RAM 2. 00000000000a0000-00000000000fffff: RESERVED 3. 0000000000100000-000000007a997fff: RAM 4. 000000007a998000-000000007ab05fff: CONFIGURATION TABLES 5. 000000007ab06000-000000007abcffff: RAMSTAGE 6. 000000007abd0000-000000007affffff: CONFIGURATION TABLES 7. 000000007b000000-000000007fffffff: RESERVED 8. 00000000e0000000-00000000e3ffffff: RESERVED 9. 00000000fe000000-00000000fe00ffff: RESERVED 10. 00000000fed10000-00000000fed19fff: RESERVED 11. 00000000fed80000-00000000fed84fff: RESERVED 12. 00000000fed90000-00000000fed91fff: RESERVED 13. 0000000100000000-000000017effffff: RAM Graphics framebuffer located at 0xc0000000 Passing 6 GPIOs to payload: NAME | PORT | POLARITY | VALUE write protect | undefined | high | low recovery | undefined | high | low lid | undefined | high | high power | undefined | high | low oprom | undefined | high | low EC in RW | 0x00000036 | high | low Board ID: 6 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) Wrote coreboot table at: 7aabe000, 0x5a4 bytes, checksum bc4c 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 537569 exit 146877 call enable_fixed_mtrr() CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CPU physical address size: 39 bits CBFS: Locating 'fallback/payload' MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 call enable_fixed_mtrr() call enable_fixed_mtrr() CBFS: Found @ offset 223040 size 360b4 CPU physical address size: 39 bits CPU physical address size: 39 bits Checking segment from ROM address 0xfff23078 Checking segment from ROM address 0xfff23094 Loading segment from ROM address 0xfff23078 code (compression=0) New segment dstaddr 0x30104020 memsize 0x64d8b0 srcaddr 0xfff230b0 filesize 0x3607c Loading Segment: addr: 0x30104020 memsz: 0x000000000064d8b0 filesz: 0x000000000003607c it's not compressed! [ 0x30104020, 3013a09c, 0x307518d0) <- fff230b0 Clearing Segment: addr: 0x000000003013a09c memsz: 0x0000000000617834 Loading segment from ROM address 0xfff23094 Entry Point 0x30104020 Loaded segments Finalizing chipset. ME: Host Firmware Status Register 1 : 0x90000245 ME: Host Firmware Status Register 2 : 0x6B000306 ME: Host Firmware Status Register 3 : 0x00000020 ME: Host Firmware Status Register 4 : 0x00084000 ME: Host Firmware Status Register 5 : 0x00000000 ME: Host Firmware Status Register 6 : 0x40000002 ME: FW Partition Table : OK ME: Bringup Loader Failure : NO ME: Firmware Init Complete : YES ME: Manufacturing Mode : NO ME: Boot Options Present : NO ME: Update In Progress : NO ME: D3 Support : NO ME: D0i3 Support : YES ME: Low Power State Enabled : YES ME: CPU Replaced : NO ME: CPU Replacement Valid : YES ME: Current Working State : Normal ME: Current Operation State : M0 with UMA ME: Current Operation Mode : Normal ME: Error Code : No Error ME: Progress Phase : Host Communication ME: Power Management Event : Power cycle reset through Moff ME: Progress Phase State : Host communication established ME: Power Down Mitigation : NO ME: FPF status : fused Clearing MCA. Finalizing SMM. BS: BS_PAYLOAD_LOAD times (us): entry 598 run 261869 exit 135695 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 12965416/tftp-deploy-s78x24nw/kernel/bzImage 12965416/tftp-deploy-s78x24nw/kernel/cmdline 12965416/tftp-deploy-s78x24nw/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 12965416/tftp-deploy-s78x24nw/kernel/bzIploy-s78x24nw/kernel/cmdline 12965416/tftp-deploy-s78x24nw/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:68:0a:98 Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.18 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 12965416/tftp-deploy-s78x24nw/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 ################################################################ 01080000 ################################################################ 01100000 ############################# done. The bootfile was 18058912 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: 12965416/tftp-deploy-s78x24nw/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/12965416/extract-nfsrootfs-6zo1sbrf,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: 22273258 Starting kernel ... <5>[ 0.000000] Linux version 5.10.212-cip44 (KernelCI@build-j132374-x86-64-gcc-10-x86-64-defconfig-x86-board-k75b7) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Wed Mar 6 21:22:23 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/12965416/extract-nfsrootfs-6zo1sbrf,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>[ 0.000053] last_pfn = 0x17f000 max_arch_pfn = 0x400000000 <6>[ 0.001309] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT <6>[ 0.006688] last_pfn = 0x7a998 max_arch_pfn = 0x400000000 <6>[ 0.024228] check: Scanning 1 areas for low memory corruption <6>[ 0.024241] Using GB pages for direct mapping <6>[ 0.024891] RAMDISK: [mem 0x375ff000-0x37ffffff] <6>[ 0.024897] ACPI: Early table checksum verification disabled <6>[ 0.024905] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) <6>[ 0.024917] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.024932] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.024947] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531) <6>[ 0.024959] ACPI: FACS 0x000000007AA9A240 000040 <6>[ 0.024970] ACPI: FACS 0x000000007AA9A240 000040 <6>[ 0.024980] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE COREBOOT 0000002A CORE 0000002A) <6>[ 0.024992] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.025003] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.025014] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.025025] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS 00000000 CORE 00000000) <6>[ 0.025036] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.025047] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.025058] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.025070] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63] <6>[ 0.025074] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962] <6>[ 0.025079] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] <6>[ 0.025083] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] <6>[ 0.025087] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969] <6>[ 0.025092] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab] <6>[ 0.025096] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef] <6>[ 0.025101] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b] <6>[ 0.025105] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b] <6>[ 0.025109] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607] <6>[ 0.025114] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670] <6>[ 0.025118] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7] <6>[ 0.025254] No NUMA configuration found <6>[ 0.025259] Faking a node at [mem 0x0000000000000000-0x000000017effffff] <6>[ 0.025268] NODE_DATA(0) allocated [mem 0x17effa000-0x17effdfff] <6>[ 0.025310] Zone ranges: <6>[ 0.025315] DMA [mem 0x0000000000001000-0x0000000000ffffff] <6>[ 0.025322] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] <6>[ 0.025329] Normal [mem 0x0000000100000000-0x000000017effffff] <6>[ 0.025336] Movable zone start for each node <6>[ 0.025340] Early memory node ranges <6>[ 0.025345] node 0: [mem 0x0000000000001000-0x000000000009ffff] <6>[ 0.025350] node 0: [mem 0x0000000000100000-0x000000007a997fff] <6>[ 0.025354] node 0: [mem 0x0000000100000000-0x000000017effffff] <6>[ 0.025360] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff] <6>[ 0.025395] On node 0, zone DMA: 1 pages in unavailable ranges <6>[ 0.025456] On node 0, zone DMA: 96 pages in unavailable ranges <6>[ 0.040708] On node 0, zone Normal: 22120 pages in unavailable ranges <6>[ 0.041618] On node 0, zone Normal: 4096 pages in unavailable ranges <6>[ 0.041643] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] <6>[ 0.041999] ACPI: PM-Timer IO Port: 0x1808 <6>[ 0.042053] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 <6>[ 0.042066] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) <6>[ 0.042072] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) <6>[ 0.042085] Using ACPI (MADT) for SMP configuration information <6>[ 0.042091] ACPI: HPET id: 0x8086a701 base: 0xfed00000 <6>[ 0.042098] TSC deadline timer available <6>[ 0.042103] smpboot: Allowing 4 CPUs, 0 hotplug CPUs <6>[ 0.042132] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] <6>[ 0.042138] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] <6>[ 0.042144] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff] <6>[ 0.042148] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] <6>[ 0.042152] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff] <6>[ 0.042156] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff] <6>[ 0.042160] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff] <6>[ 0.042164] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff] <6>[ 0.042168] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff] <6>[ 0.042172] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff] <6>[ 0.042176] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff] <6>[ 0.042180] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff] <6>[ 0.042184] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff] <6>[ 0.042188] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff] <6>[ 0.042192] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff] <6>[ 0.042200] [mem 0x80000000-0xdfffffff] available for PCI devices <6>[ 0.042208] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns <6>[ 0.059687] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 <6>[ 0.059957] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 <6>[ 0.060034] Built 1 zonelists, mobility grouping on. Total pages: 1006266 <6>[ 0.060039] Policy zone: Normal <5>[ 0.060052] 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/12965416/extract-nfsrootfs-6zo1sbrf,tcp,hard ip=dhcp tftpserverip=192.168.201.1 <6>[ 0.060626] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) <6>[ 0.060865] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) <6>[ 0.060952] mem auto-init: stack:off, heap alloc:off, heap free:off <6>[ 0.092710] Memory: 3874252K/4089052K available (22546K kernel code, 3700K rwdata, 13620K rodata, 2160K init, 14004K bss, 214540K reserved, 0K cma-reserved) <6>[ 0.092854] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 <6>[ 0.092911] Kernel/User page tables isolation: enabled <6>[ 0.093027] ftrace: allocating 61513 entries in 241 pages <6>[ 0.156996] ftrace: allocated 241 pages with 5 groups <6>[ 0.157316] Running RCU self tests <6>[ 0.157332] rcu: Hierarchical RCU implementation. <6>[ 0.157337] rcu: RCU event tracing is enabled. <6>[ 0.157341] rcu: RCU lockdep checking is enabled. <6>[ 0.157346] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. <6>[ 0.157351] Rude variant of Tasks RCU enabled. <6>[ 0.157356] Tracing variant of Tasks RCU enabled. <6>[ 0.157361] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. <6>[ 0.157366] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 <6>[ 0.167669] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 <5>[ 0.168135] random: crng init done <6>[ 0.168243] Console: colour dummy device 80x25 <6>[ 0.241673] printk: console [ttyS0] enabled <4>[ 0.242062] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar <4>[ 0.242745] ... MAX_LOCKDEP_SUBCLASSES: 8 <4>[ 0.243126] ... MAX_LOCK_DEPTH: 48 <4>[ 0.243514] ... MAX_LOCKDEP_KEYS: 8192 <4>[ 0.243917] ... CLASSHASH_SIZE: 4096 <4>[ 0.244320] ... MAX_LOCKDEP_ENTRIES: 32768 <4>[ 0.244731] ... MAX_LOCKDEP_CHAINS: 65536 <4>[ 0.245140] ... CHAINHASH_SIZE: 32768 <4>[ 0.245551] memory used by lock dependency info: 6365 kB <4>[ 0.246040] memory used for stack traces: 4224 kB <4>[ 0.246479] per task-struct memory footprint: 1920 bytes <6>[ 0.247025] ACPI: Core revision 20200925 <6>[ 0.247619] hpet: HPET dysfunctional in PC10. Force disabled. <6>[ 0.248141] APIC: Switch to symmetric I/O mode setup <6>[ 0.252652] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns <6>[ 0.253593] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960) <6>[ 0.254576] mce: CPU0: Thermal monitoring enabled (TM1) <6>[ 0.254576] process: using mwait in idle threads <6>[ 0.254576] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 <6>[ 0.254576] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 <6>[ 0.254576] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization <6>[ 0.254576] Spectre V2 : Mitigation: IBRS <6>[ 0.254576] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch <6>[ 0.254576] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT <6>[ 0.254576] RETBleed: Mitigation: IBRS <6>[ 0.254576] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier <6>[ 0.254576] Spectre V2 : User space: Mitigation: STIBP via seccomp and prctl <6>[ 0.254576] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp <6>[ 0.254576] MDS: Vulnerable: Clear CPU buffers attempted, no microcode <6>[ 0.254576] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode <6>[ 0.254576] SRBDS: Vulnerable: No microcode <6>[ 0.254576] GDS: Vulnerable: No microcode <6>[ 0.254576] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' <6>[ 0.254576] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' <6>[ 0.254576] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' <6>[ 0.254576] x86/fpu: Supporting XSAVE feature 0x008: 'MPX bounds registers' <6>[ 0.254576] x86/fpu: Supporting XSAVE feature 0x010: 'MPX CSR' <6>[ 0.254576] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 <6>[ 0.254576] x86/fpu: xstate_offset[3]: 832, xstate_sizes[3]: 64 <6>[ 0.254576] x86/fpu: xstate_offset[4]: 896, xstate_sizes[4]: 64 <6>[ 0.254576] x86/fpu: Enabled xstate features 0x1f, context size is 960 bytes, using 'compacted' format. <4>[ 0.254576] ------------[ cut here ]------------ <4>[ 0.254576] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 <4>[ 0.254576] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:730 apply_returns+0x1c2/0x1e0 <4>[ 0.254576] Modules linked in: <4>[ 0.254576] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.212-cip44 #1 <4>[ 0.254576] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 0.254576] RIP: 0010:apply_returns+0x1c2/0x1e0 <4>[ 0.254576] Code: 80 3d 03 07 87 02 00 75 8b 49 89 e8 b9 05 00 00 00 4c 89 fa 48 89 ee 48 c7 c7 d0 6f d1 a2 c6 05 e5 06 87 02 01 e8 30 79 14 01 <0f> 0b e9 63 ff ff ff e8 02 c2 1c 01 e9 b3 36 14 01 66 66 2e 0f 1f <4>[ 0.254576] RSP: 0000:ffffffffa3003e30 EFLAGS: 00010286 <4>[ 0.254576] RAX: 0000000000000000 RBX: ffffffffa3c21758 RCX: 0000000000000000 <4>[ 0.254576] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffa0b78541 <4>[ 0.254576] RBP: ffffffffa2994740 R08: 0000000000000001 R09: 0000000000000001 <4>[ 0.254576] R10: ffffffffa308ffc0 R11: 3fffffffffffffff R12: ffffffffa3c3a334 <4>[ 0.254576] R13: ffffffffa3003ea8 R14: 0000000000000005 R15: ffffffffa2994745 <4>[ 0.254576] FS: 0000000000000000(0000) GS:ffff9e25fac00000(0000) knlGS:0000000000000000 <4>[ 0.254576] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 0.254576] CR2: ffff9e25fefff000 CR3: 0000000021e26001 CR4: 00000000003706f0 <4>[ 0.254576] Call Trace: <4>[ 0.254576] ? __warn+0x80/0x110 <4>[ 0.254576] ? apply_returns+0x1c2/0x1e0 <4>[ 0.254576] ? report_bug+0x9e/0xc0 <4>[ 0.254576] ? __warn_printk+0x6c/0x8d <4>[ 0.254576] ? handle_bug+0x41/0x90 <4>[ 0.254576] ? exc_invalid_op+0x14/0x70 <4>[ 0.254576] ? asm_exc_invalid_op+0x12/0x20 <4>[ 0.254576] ? console_unlock+0x4d1/0x5f0 <4>[ 0.254576] ? apply_returns+0x1c2/0x1e0 <4>[ 0.254576] alternative_instructions+0x7d/0x143 <4>[ 0.254576] arch_cpu_finalize_init+0x28/0x47 <4>[ 0.254576] start_kernel+0x4a3/0x54d <4>[ 0.254576] secondary_startup_64_no_verify+0xc2/0xcb <4>[ 0.254576] irq event stamp: 199123 <4>[ 0.254576] hardirqs last enabled at (199131): [] console_unlock+0x4d1/0x5f0 <4>[ 0.254576] hardirqs last disabled at (199138): [] console_unlock+0x444/0x5f0 <4>[ 0.254576] softirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 0.254576] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 0.254576] ---[ end trace c17c1eb82cc650c1 ]--- <6>[ 0.254576] Freeing SMP alternatives memory: 48K <6>[ 0.254576] pid_max: default: 32768 minimum: 301 <6>[ 0.254576] LSM: Security Framework initializing <6>[ 0.254576] SELinux: Initializing. <6>[ 0.254576] LSM support for eBPF active <6>[ 0.254576] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) <6>[ 0.254576] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) <6>[ 0.254576] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9) <6>[ 0.255189] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver. <6>[ 0.255592] ... version: 4 <6>[ 0.255970] ... bit width: 48 <6>[ 0.256352] ... generic registers: 4 <6>[ 0.256581] ... value mask: 0000ffffffffffff <6>[ 0.257066] ... max period: 00007fffffffffff <6>[ 0.257549] ... fixed-purpose events: 3 <6>[ 0.257581] ... event mask: 000000070000000f <6>[ 0.258583] rcu: Hierarchical SRCU implementation. <6>[ 0.261017] smp: Bringing up secondary CPUs ... <6>[ 0.262176] x86: Booting SMP configuration: <6>[ 0.262594] .... node #0, CPUs: #1 <4>[ 0.263679] 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>[ 0.264594] 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>[ 0.266213] #2 #3 <6>[ 0.268642] smp: Brought up 1 node, 4 CPUs <6>[ 0.269235] smpboot: Max logical packages: 1 <6>[ 0.269585] smpboot: Total of 4 processors activated (12799.68 BogoMIPS) <6>[ 0.272950] devtmpfs: initialized <6>[ 0.273959] x86/mm: Memory block size: 128MB <6>[ 0.278651] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns <6>[ 0.279583] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) <6>[ 0.280707] pinctrl core: initialized pinctrl subsystem <6>[ 0.282315] PM: RTC time: 21:32:48, date: 2024-03-06 <6>[ 0.283246] NET: Registered protocol family 16 <6>[ 0.284408] audit: initializing netlink subsys (disabled) <5>[ 0.284634] audit: type=2000 audit(1709760768.031:1): state=initialized audit_enabled=0 res=1 <6>[ 0.284961] thermal_sys: Registered thermal governor 'step_wise' <6>[ 0.284967] thermal_sys: Registered thermal governor 'user_space' <6>[ 0.285621] cpuidle: using governor menu <6>[ 0.286740] ACPI: bus type PCI registered <6>[ 0.287622] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000) <6>[ 0.288443] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820 <6>[ 0.289622] PCI: Using configuration type 1 for base access <6>[ 0.326391] Kprobes globally optimized <6>[ 0.326725] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages <6>[ 0.327586] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages <6>[ 0.328606] cryptomgr_test (38) used greatest stack depth: 14880 bytes left <6>[ 0.331615] ACPI: Added _OSI(Module Device) <6>[ 0.332012] ACPI: Added _OSI(Processor Device) <6>[ 0.332427] ACPI: Added _OSI(3.0 _SCP Extensions) <6>[ 0.332583] ACPI: Added _OSI(Processor Aggregator Device) <6>[ 0.333078] ACPI: Added _OSI(Linux-Dell-Video) <6>[ 0.333492] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) <6>[ 0.333583] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) <6>[ 0.346103] ACPI: 2 ACPI AML tables successfully acquired and loaded <6>[ 0.354227] ACPI: EC: EC started <6>[ 0.354562] ACPI: EC: interrupt blocked <6>[ 0.355322] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 <6>[ 0.355586] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions <6>[ 0.356244] ACPI: Interpreter enabled <6>[ 0.356652] ACPI: (supports S0 S3 S4 S5) <6>[ 0.357025] ACPI: Using IOAPIC for interrupt routing <6>[ 0.357557] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug <6>[ 0.374297] ACPI: Power Resource [PRIC] (on) <6>[ 0.502927] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) <6>[ 0.503504] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] <6>[ 0.503900] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] <6>[ 0.504603] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge <6>[ 0.506210] PCI host bridge to bus 0000:00 <6>[ 0.506587] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] <6>[ 0.507196] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] <6>[ 0.507584] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] <6>[ 0.508249] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window] <6>[ 0.508583] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window] <6>[ 0.509250] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window] <6>[ 0.509583] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window] <6>[ 0.510250] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window] <6>[ 0.510583] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window] <6>[ 0.511249] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window] <6>[ 0.511583] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window] <6>[ 0.512249] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window] <6>[ 0.512583] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window] <6>[ 0.513250] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window] <6>[ 0.513583] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window] <6>[ 0.514250] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window] <6>[ 0.514583] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window] <6>[ 0.515250] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window] <6>[ 0.515583] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window] <6>[ 0.516249] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window] <6>[ 0.516584] pci_bus 0000:00: root bus resource [bus 00-ff] <6>[ 0.517186] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000 <6>[ 0.518742] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000 <6>[ 0.519313] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit] <6>[ 0.519598] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref] <6>[ 0.520252] pci 0000:00:02.0: reg 0x20: [io 0x1c00-0x1c3f] <6>[ 0.521279] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000 <6>[ 0.521610] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit] <6>[ 0.523057] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000 <6>[ 0.523611] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit] <6>[ 0.524940] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330 <6>[ 0.525515] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit] <6>[ 0.525740] pci 0000:00:14.0: PME# supported from D3hot D3cold <6>[ 0.527097] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000 <6>[ 0.527624] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit] <6>[ 0.528968] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000 <6>[ 0.529551] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit] <6>[ 0.530465] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000 <6>[ 0.530631] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit] <6>[ 0.532152] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000 <6>[ 0.532632] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit] <6>[ 0.533265] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit] <6>[ 0.534433] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000 <6>[ 0.534630] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit] <6>[ 0.536149] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400 <6>[ 0.536795] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold <6>[ 0.538171] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000 <6>[ 0.538631] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit] <6>[ 0.540123] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000 <6>[ 0.540630] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit] <6>[ 0.542101] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501 <6>[ 0.542625] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit] <6>[ 0.544224] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501 <6>[ 0.544625] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit] <6>[ 0.546081] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100 <6>[ 0.547427] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000 <6>[ 0.547616] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff] <6>[ 0.548995] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100 <6>[ 0.549575] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit] <6>[ 0.549645] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit] <6>[ 0.550359] pci 0000:00:1f.3: PME# supported from D3hot D3cold <6>[ 0.551401] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500 <6>[ 0.551651] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit] <6>[ 0.552328] pci 0000:00:1f.4: reg 0x20: [io 0xefa0-0xefbf] <6>[ 0.553358] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000 <6>[ 0.553617] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff] <6>[ 0.555379] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 <6>[ 0.556063] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit] <6>[ 0.557936] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold <6>[ 0.560414] pci 0000:00:1c.0: PCI bridge to [bus 01] <6>[ 0.560600] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] <6>[ 0.562650] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.563634] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15) <6>[ 0.564555] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.565500] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.565869] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.566811] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.567756] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.568697] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.575500] ACPI: EC: interrupt unblocked <6>[ 0.575583] ACPI: EC: event unblocked <6>[ 0.575946] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 <6>[ 0.576416] ACPI: EC: GPE=0x6e <6>[ 0.576586] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete <6>[ 0.577218] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events <6>[ 0.578043] iommu: Default domain type: Translated <6>[ 0.578840] pci 0000:00:02.0: vgaarb: setting as boot VGA device <6>[ 0.579221] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none <6>[ 0.579614] pci 0000:00:02.0: vgaarb: bridge control possible <6>[ 0.580137] vgaarb: loaded <5>[ 0.581035] SCSI subsystem initialized <6>[ 0.581786] ACPI: bus type USB registered <6>[ 0.582306] usbcore: registered new interface driver usbfs <6>[ 0.582651] usbcore: registered new interface driver hub <6>[ 0.583177] usbcore: registered new device driver usb <6>[ 0.583708] mc: Linux media interface: v0.10 <6>[ 0.584142] videodev: Linux video capture interface: v2.00 <6>[ 0.584618] pps_core: LinuxPPS API ver. 1 registered <6>[ 0.585075] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <6>[ 0.585593] PTP clock support registered <6>[ 0.586030] Advanced Linux Sound Architecture Driver Initialized. <6>[ 0.587679] NetLabel: Initializing <6>[ 0.588008] NetLabel: domain hash size = 128 <6>[ 0.588413] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO <6>[ 0.588667] NetLabel: unlabeled traffic allowed by default <6>[ 0.589266] PCI: Using ACPI for IRQ routing <6>[ 0.597396] clocksource: Switched to clocksource tsc-early <5>[ 1.018867] VFS: Disk quotas dquot_6.6.0 <6>[ 1.019295] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) <6>[ 1.020393] pnp: PnP ACPI init <6>[ 1.021598] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved <6>[ 1.022198] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved <6>[ 1.022815] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved <6>[ 1.023414] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved <6>[ 1.024026] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved <6>[ 1.024641] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved <6>[ 1.025269] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved <6>[ 1.025910] system 00:00: [mem 0xff000000-0xffffffff] has been reserved <6>[ 1.026523] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved <6>[ 1.027122] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved <6>[ 1.028721] system 00:01: [io 0x1800-0x18fe] has been reserved <6>[ 1.029695] system 00:03: [io 0x0900-0x09fe] has been reserved <6>[ 1.030524] system 00:04: [io 0x0200] has been reserved <6>[ 1.031015] system 00:04: [io 0x0204] has been reserved <6>[ 1.031521] system 00:04: [io 0x0800-0x087f] has been reserved <6>[ 1.032062] system 00:04: [io 0x0880-0x08ff] has been reserved <6>[ 1.035507] pnp: PnP ACPI: found 6 devices <6>[ 1.050762] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns <6>[ 1.051695] NET: Registered protocol family 2 <6>[ 1.052282] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) <6>[ 1.054842] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) <6>[ 1.055883] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) <6>[ 1.056833] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) <6>[ 1.059768] TCP: Hash tables configured (established 32768 bind 32768) <6>[ 1.060721] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) <6>[ 1.061734] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) <6>[ 1.062666] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) <6>[ 1.063770] NET: Registered protocol family 1 <6>[ 1.064927] RPC: Registered named UNIX socket transport module. <6>[ 1.065515] RPC: Registered udp transport module. <6>[ 1.065952] RPC: Registered tcp transport module. <6>[ 1.066387] RPC: Registered tcp NFSv4.1 backchannel transport module. <6>[ 1.067639] NET: Registered protocol family 44 <6>[ 1.068076] pci 0000:00:1c.0: PCI bridge to [bus 01] <6>[ 1.068570] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] <6>[ 1.069193] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] <6>[ 1.069761] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] <6>[ 1.070320] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] <6>[ 1.071014] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window] <6>[ 1.071645] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window] <6>[ 1.072263] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window] <6>[ 1.072891] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window] <6>[ 1.073529] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window] <6>[ 1.074154] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window] <6>[ 1.074789] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window] <6>[ 1.075414] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window] <6>[ 1.076096] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window] <6>[ 1.076735] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window] <6>[ 1.077360] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window] <6>[ 1.077994] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window] <6>[ 1.078632] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window] <6>[ 1.079257] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window] <6>[ 1.079892] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window] <6>[ 1.080544] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window] <6>[ 1.081170] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window] <6>[ 1.081805] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff] <6>[ 1.082886] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] <6>[ 1.085753] PCI: CLS 64 bytes, default 64 <6>[ 1.086564] Unpacking initramfs... <6>[ 1.538096] Freeing initrd memory: 10244K <6>[ 1.538621] DMAR: Host address width 39 <6>[ 1.539022] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 <6>[ 1.539622] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e <6>[ 1.540369] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff <6>[ 1.540947] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 <6>[ 1.541453] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da <6>[ 1.542271] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) <6>[ 1.542864] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB) <6>[ 1.543837] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer <6>[ 1.544564] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules <6>[ 1.545087] RAPL PMU: hw unit of domain package 2^-14 Joules <6>[ 1.545611] RAPL PMU: hw unit of domain dram 2^-14 Joules <6>[ 1.546104] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules <6>[ 1.546628] RAPL PMU: hw unit of domain psys 2^-14 Joules <3>[ 1.549036] kvm: already loaded the other module <6>[ 1.551997] check: Scanning for low memory corruption every 60 seconds <5>[ 1.556033] Initialise system trusted keyrings <6>[ 1.556740] workingset: timestamp_bits=56 max_order=20 bucket_order=0 <5>[ 1.578100] NFS: Registering the id_resolver key type <5>[ 1.578631] Key type id_resolver registered <5>[ 1.579054] Key type id_legacy registered <5>[ 1.601560] Key type asymmetric registered <5>[ 1.601979] Asymmetric key parser 'x509' registered <6>[ 1.602507] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 248) <6>[ 1.603190] io scheduler mq-deadline registered <6>[ 1.603631] io scheduler kyber registered <4>[ 1.604245] test_firmware: interface ready <6>[ 1.606250] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120 <6>[ 1.608192] ACPI: AC Adapter [AC] (on-line) <6>[ 1.609014] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0 <6>[ 1.610896] ACPI: Lid Switch [LID0] <6>[ 1.611523] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 <6>[ 1.612441] ACPI: Power Button [PWRF] <6>[ 1.613175] ACPI: \_PR_.CP00: Found 3 idle states <6>[ 1.614515] ACPI: \_PR_.CP01: Found 3 idle states <6>[ 1.615613] ACPI: \_PR_.CP02: Found 3 idle states <6>[ 1.616804] ACPI: \_PR_.CP03: Found 3 idle states <6>[ 1.618467] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled <4>[ 1.623037] hpet_acpi_add: no address or irqs in _CRS <6>[ 1.623673] battery: ACPI: Battery Slot [BAT0] (battery present) <6>[ 1.623895] Non-volatile memory driver v1.3 <6>[ 1.624961] Linux agpgart interface v0.103 <6>[ 1.625763] ACPI: bus type drm_connector registered <6>[ 1.626399] [drm] amdgpu kernel modesetting enabled. <6>[ 1.629727] i915 0000:00:02.0: vgaarb: deactivate vga console <6>[ 1.682947] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem <6>[ 1.684759] i915 0000:00:02.0: [drm] Finished loading DMC firmware i915/kbl_dmc_ver1_04.bin (v1.4) <6>[ 1.722271] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 <6>[ 1.726197] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 <6>[ 1.741996] loop: module loaded <6>[ 1.743141] lkdtm: No crash points registered, enable through debugfs <6>[ 1.768318] printk: console [ttyS0] disabled <6>[ 1.769092] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A <6>[ 2.589716] tsc: Refined TSC clocksource calibration: 1607.999 MHz <6>[ 2.605150] printk: console [ttyS0] enabled <6>[ 2.614340] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172da94f0e2, max_idle_ns: 440795278248 ns <6>[ 2.635403] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A <6>[ 5.402020] fbcon: i915drmfb (fb0) is primary device <6>[ 5.403603] clocksource: Switched to clocksource tsc <4>[ 5.403986] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO <6>[ 5.412433] e100: Intel(R) PRO/100 Network Driver <6>[ 5.412437] e100: Copyright(c) 1999-2006 Intel Corporation <6>[ 5.412533] e1000: Intel(R) PRO/1000 Network Driver <6>[ 5.412536] e1000: Copyright (c) 1999-2006 Intel Corporation. <6>[ 5.412618] e1000e: Intel(R) PRO/1000 Network Driver <6>[ 5.412621] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. <6>[ 5.412704] sky2: driver version 1.30 <6>[ 5.413016] usbcore: registered new interface driver r8152 <6>[ 5.413574] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver <6>[ 5.413599] ehci-pci: EHCI PCI platform driver <6>[ 5.413670] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver <6>[ 5.413687] ohci-pci: OHCI PCI platform driver <6>[ 5.413747] uhci_hcd: USB Universal Host Controller Interface driver <6>[ 5.414353] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2 <6>[ 5.414801] xhci_hcd 0000:00:14.0: xHCI Host Controller <6>[ 5.415984] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 <6>[ 5.417612] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 <6>[ 5.417669] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported <6>[ 5.419820] xhci_hcd 0000:00:14.0: xHCI Host Controller <6>[ 5.420340] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 <6>[ 5.420355] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed <6>[ 5.421089] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 <6>[ 5.421154] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 <6>[ 5.421158] usb usb1: Product: xHCI Host Controller <6>[ 5.421162] usb usb1: Manufacturer: Linux 5.10.212-cip44 xhci-hcd <6>[ 5.421165] usb usb1: SerialNumber: 0000:00:14.0 <6>[ 5.423466] hub 1-0:1.0: USB hub found <6>[ 5.423741] hub 1-0:1.0: 12 ports detected <6>[ 5.429123] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 <6>[ 5.429128] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 <6>[ 5.429132] usb usb2: Product: xHCI Host Controller <6>[ 5.429136] usb usb2: Manufacturer: Linux 5.10.212-cip44 xhci-hcd <6>[ 5.429139] usb usb2: SerialNumber: 0000:00:14.0 <6>[ 5.429991] hub 2-0:1.0: USB hub found <6>[ 5.430043] hub 2-0:1.0: 6 ports detected <6>[ 5.432149] usbcore: registered new interface driver usblp <6>[ 5.432247] usbcore: registered new interface driver usb-storage <6>[ 5.433072] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers <6>[ 5.433307] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 <4>[ 5.433311] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp <4>[ 5.434238] i8042: Warning: Keylock active <6>[ 5.434643] serio: i8042 KBD port at 0x60,0x64 irq 1 <6>[ 5.437765] rtc_cmos 00:02: RTC can wake from S4 <6>[ 5.440207] rtc_cmos 00:02: registered as rtc0 <6>[ 5.440472] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram <6>[ 5.440984] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 <6>[ 5.441824] i801_smbus 0000:00:1f.4: SPD Write Disable is set <6>[ 5.441876] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt <6>[ 5.442266] Console: switching to colour frame buffer device 240x67 <6>[ 5.442845] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0) <6>[ 5.443114] i2c i2c-9: 2/2 memory slots populated (from DMI) <6>[ 5.444937] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com <6>[ 5.444983] intel_pstate: Intel P-state driver initializing <6>[ 5.445851] intel_pstate: HWP enabled <6>[ 5.445888] sdhci: Secure Digital Host Controller Interface driver <6>[ 5.445889] sdhci: Copyright(c) Pierre Ossman <6>[ 5.445920] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21) <6>[ 5.446919] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit <6>[ 5.447165] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 5.448961] hid: raw HID events driver (C) Jiri Kosina <6>[ 5.449758] usbcore: registered new interface driver usbhid <6>[ 5.449759] usbhid: USB HID core driver <6>[ 5.451906] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3 <6>[ 5.456457] cros_ec_lpcs GOOG0004:00: Chrome EC device registered <6>[ 5.458177] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device <6>[ 5.464744] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100 <6>[ 5.671529] usb 1-3: new full-speed USB device number 2 using xhci_hcd <6>[ 5.672719] netem: version 1.3 <6>[ 5.724712] tpm_tis_spi spi-PRP0001:00: Cr50 firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_B:0.5.5/cr50_v1.9308_87_mp.479-d7 <6>[ 5.731775] ipip: IPv4 and MPLS over IPv4 tunneling driver <6>[ 5.780090] mmc0: new HS400 MMC card at address 0001 <6>[ 5.790260] IPv4 over IPsec tunneling driver <6>[ 5.796950] mmcblk0: mmc0:0001 DA4064 58.2 GiB <6>[ 5.803562] Initializing XFRM netlink socket <6>[ 5.810697] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB <6>[ 5.818913] NET: Registered protocol family 10 <6>[ 5.825306] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB <6>[ 5.835680] Segment Routing with IPv6 <6>[ 5.841935] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (245:0) <6>[ 5.846479] NET: Registered protocol family 17 <6>[ 5.871714] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 <6>[ 5.874898] 8021q: 802.1Q VLAN Support v1.8 <6>[ 5.883238] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 <5>[ 5.889316] Key type dns_resolver registered <6>[ 5.895799] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 <6>[ 5.955637] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd <6>[ 6.027058] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) <6>[ 6.029684] microcode: sig=0x806e9, pf=0x10, revision=0x98 <6>[ 6.035406] microcode: Microcode Update Driver: v2.2. <6>[ 6.041362] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 <6>[ 6.049810] IPI shorthand broadcast: enabled <6>[ 6.050053] sched_clock: Marking stable (5964506909, 85482174)->(6181871487, -131882404) <6>[ 6.054986] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6 <6>[ 6.088035] registered taskstats version 1 <6>[ 6.093731] usb 2-3: Product: USB 10/100/1000 LAN <6>[ 6.093735] usb 2-3: Manufacturer: Realtek <5>[ 6.103335] Loading compiled-in X.509 certificates <6>[ 6.108244] usb 2-3: SerialNumber: 001000001 <3>[ 6.153700] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up <6>[ 6.154408] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.160540] usb 1-9: new high-speed USB device number 3 using xhci_hcd <6>[ 6.183915] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.193290] PM: Magic number: 0:139:550 <6>[ 6.198151] clockevents clockevent1: hash matches <6>[ 6.203785] acpi PNP0C0F:01: hash matches <6>[ 6.208707] printk: console [netcon0] enabled <6>[ 6.213874] netconsole: network logging started <6>[ 6.319578] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07 <6>[ 6.329055] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2 <6>[ 6.337372] usb 1-9: Product: USB2.0 HD UVC WebCam <6>[ 6.343035] usb 1-9: Manufacturer: Azurewave <6>[ 6.348117] usb 1-9: SerialNumber: 0x0001 <6>[ 6.360574] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.405907] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd <6>[ 6.459086] r8152 2-3:1.0: load rtl8153b-2 v2 04/27/23 successfully <6>[ 6.499520] r8152 2-3:1.0 eth0: v1.11.11 <6>[ 6.504986] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 8.110726] r8152 2-3:1.0 eth0: carrier on <6>[ 8.112668] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready <5>[ 8.124614] Sending DHCP requests .., OK <6>[ 10.199411] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.18 <6>[ 10.208671] IP-Config: Complete: <6>[ 10.212590] device=eth0, hwaddr=00:e0:4c:68:0a:98, ipaddr=192.168.201.18, mask=255.255.255.0, gw=192.168.201.1 <6>[ 10.224568] host=asus-c433ta-aj0005-rammus-cbg-2, domain=lava-rack, nis-domain=(none) <6>[ 10.234110] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= <6>[ 10.234113] nameserver0=192.168.201.1 <5>[ 10.247565] cfg80211: Loading compiled-in X.509 certificates for regulatory database <6>[ 10.259235] modprobe (101) used greatest stack depth: 14208 bytes left <5>[ 10.262176] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' <6>[ 10.266853] modprobe (102) used greatest stack depth: 14120 bytes left <5>[ 10.282197] cfg80211: Loaded X.509 cert 'wens: 61c038651aabdcf94bd0ac7ff06c7248db18c600' <4>[ 10.291804] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 <6>[ 10.295620] ALSA device list: <6>[ 10.301795] cfg80211: failed to load regulatory.db <6>[ 10.305375] No soundcards found. <4>[ 10.315500] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console <6>[ 10.325475] Freeing unused kernel image (initmem) memory: 2160K <6>[ 10.343750] Write protecting the kernel read-only data: 38912k <6>[ 10.351455] Freeing unused kernel image (text/rodata gap) memory: 2028K <6>[ 10.359458] Freeing unused kernel image (rodata/data gap) memory: 716K <6>[ 10.367118] Run /init as init process <6>[ 10.376018] cat (111) used greatest stack depth: 13752 bytes left Loading, please wait... Starting version 247.3-7+deb11u4 <6>[ 10.439560] udevadm (125) used greatest stack depth: 13592 bytes left <6>[ 10.562914] chromeos ramoops using acpi device. <6>[ 10.563976] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <4>[ 10.584876] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. <6>[ 10.585344] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 10.604483] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 10.614968] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <4>[ 10.618113] i2c_hid i2c-PNP0C50:00: supply vdd not found, using dummy regulator <4>[ 10.632526] i2c_hid i2c-PNP0C50:00: supply vddl not found, using dummy regulator <6>[ 10.647315] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <4>[ 10.654297] da7219 i2c-DLGS7219:00: Using default DAI clk names: da7219-dai-wclk, da7219-dai-bclk <6>[ 10.667321] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 10.676197] Registered efivars operations <6>[ 10.681015] gsmi version 1.0 loaded <6>[ 10.687036] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 10.807981] 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>[ 10.825664] hid-generic 0018:0457:157E.0001: input,hidraw0: I2C HID v1.00 Device [PNP0C50:00 0457:157E] on i2c-PNP0C50:00 <6>[ 10.838571] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 10.849601] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 10.860578] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 10.870739] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 10.880656] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 10.890951] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 10.899484] uvcvideo: Found UVC 1.00 device USB2.0 HD UVC WebCam (13d3:56d4) <6>[ 10.911946] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 10.913332] 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>[ 10.931162] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 10.933218] usbcore: registered new interface driver uvcvideo <6>[ 10.947694] USB Video Class driver (1.1.1) <6>[ 10.951873] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 10.962607] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 10.967108] udevadm (151) used greatest stack depth: 13392 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:68:0a:98 mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.18 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-2 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : <6>[ 11.126884] nfsmount (171) used greatest stack depth: 12528 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>[ 12.352870] systemd[1]: systemd 247.3-7+deb11u4 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>[ 12.391778] systemd[1]: Detected architecture x86-64. Welcome to Debian GNU/Linux 11 (bullseye)! <30>[ 12.419668] systemd[1]: Set hostname to . <30>[ 12.846009] systemd[1]: Queued start job for default target Graphical Interface. <30>[ 12.856143] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. <30>[ 12.872120] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. <30>[ 12.889129] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. <30>[ 12.906095] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. <30>[ 12.923107] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. <30>[ 12.942004] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. <30>[ 12.961720] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [ OK ] Set up automount Arbitrary…s File System Automount Point. <30>[ 12.984868] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. <30>[ 13.001858] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. <30>[ 13.015829] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. <30>[ 13.031832] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. <30>[ 13.045849] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. <30>[ 13.057075] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. <30>[ 13.075728] systemd[1]: Listening on Journal Audit Socket. [ OK ] Listening on Journal Audit Socket. <30>[ 13.092675] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). <30>[ 13.109161] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. <30>[ 13.124659] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. <30>[ 13.143724] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. <30>[ 13.160160] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. <30>[ 13.177534] systemd[1]: Mounting Huge Pages File System... Mounting Huge Pages File System... <30>[ 13.194054] systemd[1]: Mounting POSIX Message Queue File System... Mounting POSIX Message Queue File System... <30>[ 13.212045] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... <30>[ 13.226928] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... <30>[ 13.246591] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... <30>[ 13.268251] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... <30>[ 13.288428] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... <30>[ 13.308218] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... <30>[ 13.350166] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. <6>[ 13.361036] fuse: init (API version 7.32) <30>[ 13.367320] systemd[1]: Starting Journal Service... Starting Journal Service... <30>[ 13.382376] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... <30>[ 13.395885] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... <30>[ 13.414106] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... <30>[ 13.433192] systemd[1]: Mounted Huge Pages File System. [ OK ] Mounted Huge Pages File System. <30>[ 13.449808] systemd[1]: Mounted POSIX Message Queue File System. [ OK ] Mounted POSIX Message Queue File System. <30>[ 13.465856] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. <30>[ 13.481783] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. <30>[ 13.497803] 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>[ 13.520373] systemd[1]: modprobe@configfs.service: Succeeded. <30>[ 13.527882] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. <30>[ 13.544507] systemd[1]: modprobe@drm.service: Succeeded. <30>[ 13.551501] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. <30>[ 13.567879] systemd[1]: Started Journal Service. [ OK ] Started Journal Service. [ OK ] Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Modules. [ OK ] Finished Remount Root and Kernel File Systems. Mounting FUSE Control File System... Mounting Kernel Configuration File System... Starting Flush Journal to Persistent Storage... Starting Load/Save Random Seed... Starting Apply Kernel Variables... Starting Create System Users... <46>[ 13.675792] 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 Coldplug All udev Devices. [ OK ] Finished Apply Kernel Variables. [ OK ] Finished Create System Users. Starting Create Static Device Nodes in /dev... [ OK ] Finished Flush Journal to Persistent Storage. <6>[ 15.201243] systemd-tmpfile (218) used greatest stack depth: 12368 bytes left [ OK ] Finished Create Static Device Nodes in /dev. [ OK ] Reached target Local File Systems (Pre). [ OK ] Reached target Local File Systems. Starting Create Volatile Files and Directories... Starting Rule-based Manage…for Device Events and Files... [ OK ] Started Rule-based Manager for Device Events and Files. Starting Network Service... [ OK ] Finished Create Volatile Files and Directories. Starting Network Time Synchronization... Starting Update UTMP about System Boot/Shutdown... [ OK ] Finished Update UTMP about System Boot/Shutdown. [ OK ] Found device Sunrise Point-LP Serial IO UART Controller. [ OK ] Created slice system-systemd\x2dbacklight.slice. [ OK ] Listening on Load/Save RF …itch Status /dev/rfkill Watch. Starting Load/Save Screen …f backlight:intel_backlight... Starting Load/Save Screen …eds:chromeos::kbd_backlight... [ OK ] Finished Load/Save Screen … of backlight:intel_backlight. [ OK ] Finished Load/Save Screen … leds:chromeos::kbd_backlight. [ OK ] Started Network Time Synchronization. [ OK ] Reached target System Initialization. [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Reached target System Time Set. [ OK ] Reached target System Time Synchronized. [ OK ] Started Daily apt download activities. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Started Periodic ext4 Onli…ata Check for All Filesystems. [ OK ] Started Discard unused blocks once a week. [ OK ] Reached target Timers. [ OK ] Listening on D-Bus System Message Bus Socket. [ OK ] Reached target Sockets. [ OK ] Reached target Basic System. [ OK ] Started D-Bus System Message Bus. Starting Remove Stale Onli…t4 Metadata Check Snapshots... Starting User Login Management... [ OK ] Started Network Service. Starting Network Name Resolution... [ OK ] Started User Login Management. [ OK ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots. [ 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 5.10.212-cip44 #1 SMP Wed Mar 6 21:22:23 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/12965416/extract-nfsrootfs-6zo1sbrf' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/12965416/extract-nfsrootfs-6zo1sbrf' / # 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-12965416/environment . /lava-12965416/environment / # /lava-12965416/bin/lava-test-runner /lava-12965416/0 /lava-12965416/bin/lava-test-runner /lava-12965416/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-12965416/0/tests/0_timesync-off ++ cat uuid + UUID=12965416_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-12965416/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=12965416_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/v5.10.209-cip44-594-gb47da48f3bae7/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 --2024-03-06 21:33:07-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.209-cip44-594-gb47da48f3bae7/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: 3370752 (3.2M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 47.81K 177KB/s kselftest.tar.xz 6%[> ] 219.84K 407KB/s kselftest.tar.xz 27%[====> ] 898.59K 1.08MB/s kselftest.tar.xz 41%[=======> ] 1.34M 1.17MB/s kselftest.tar.xz 100%[===================>] 3.21M 2.61MB/s in 1.2s 2024-03-06 21:33:09 (2.61 MB/s) - 'kselftest.tar.xz' saved [3370752/3370752] skiplist: ======================================== ======================================== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ============== Tests to run =============== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ===========End Tests to run =============== shardfile-lkdtm pass <12>[ 29.755099] kselftest: Running tests in lkdtm TAP version 13 1..70 # selftests: lkdtm: PANIC.sh # Skipping PANIC: crashes entire system ok 1 selftests: lkdtm: PANIC.sh # SKIP # selftests: lkdtm: BUG.sh <6>[ 30.230240] lkdtm: Performing direct entry BUG <4>[ 30.235576] ------------[ cut here ]------------ <2>[ 30.241042] kernel BUG at drivers/misc/lkdtm/bugs.c:76! <4>[ 30.247187] invalid opcode: 0000 [#1] SMP PTI <4>[ 30.252350] CPU: 3 PID: 639 Comm: cat Tainted: G W 5.10.212-cip44 #1 <4>[ 30.261199] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 30.268288] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 30.272960] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 78 2a 03 <4>[ 30.294232] RSP: 0018:ffffb1e2013efe60 EFLAGS: 00010286 <4>[ 30.300357] RAX: ffffffffa157e5f0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 30.308607] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffffffffa29942b0 <4>[ 30.316868] RBP: ffffffffa2e7f050 R08: 0000000000000001 R09: 0000000000000001 <4>[ 30.325118] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 30.333377] R13: ffffb1e2013eff10 R14: ffffb1e2013eff10 R15: ffff9e2583921000 <4>[ 30.341640] FS: 00007f23805c7580(0000) GS:ffff9e25fad80000(0000) knlGS:0000000000000000 <4>[ 30.350970] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 30.357676] CR2: 00007f23803d1000 CR3: 0000000103f6e003 CR4: 00000000003706e0 <4>[ 30.365936] Call Trace: <4>[ 30.368956] ? __die_body.cold+0x1a/0x1f <4>[ 30.373623] ? die+0x2b/0x50 <4>[ 30.377126] ? do_trap+0x91/0x110 <4>[ 30.381114] ? lkdtm_BUG+0x5/0x10 <4>[ 30.385094] ? do_error_trap+0x90/0x110 <4>[ 30.389657] ? lkdtm_BUG+0x5/0x10 <4>[ 30.393645] ? lkdtm_BUG+0x5/0x10 <4>[ 30.397627] ? exc_invalid_op+0x4e/0x70 <4>[ 30.402197] ? lkdtm_BUG+0x5/0x10 <4>[ 30.406186] ? asm_exc_invalid_op+0x12/0x20 <4>[ 30.411147] ? direct_entry+0xe0/0xe0 <4>[ 30.415525] ? lkdtm_BUG+0x5/0x10 <4>[ 30.419515] direct_entry.cold+0x2c/0x38 <4>[ 30.424189] full_proxy_write+0x53/0x80 <4>[ 30.428768] vfs_write+0xe7/0x3b0 <4>[ 30.432755] ksys_write+0x68/0xf0 <4>[ 30.436735] do_syscall_64+0x30/0x40 <4>[ 30.441013] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 30.446944] RIP: 0033:0x7f23804dd473 <4>[ 30.451223] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 30.472494] RSP: 002b:00007fff247ecac8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 30.481240] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f23804dd473 <4>[ 30.489499] RDX: 0000000000000004 RSI: 00007f23803d1000 RDI: 0000000000000001 <4>[ 30.497777] RBP: 00007f23803d1000 R08: 00007f23803d0010 R09: 0000000000000000 <4>[ 30.506030] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 30.514292] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 30.522556] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore <0>[ 30.577224] gsmi: Log Shutdown Reason 0x03 <4>[ 30.582123] ---[ end trace c17c1eb82cc650c3 ]--- <4>[ 30.587592] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 30.592268] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 78 2a 03 <4>[ 30.613550] RSP: 0018:ffffb1e2013efe60 EFLAGS: 00010286 <4>[ 30.619673] RAX: ffffffffa157e5f0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 30.627938] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffffffffa29942b0 <4>[ 30.636232] RBP: ffffffffa2e7f050 R08: 0000000000000001 R09: 0000000000000001 <4>[ 30.644524] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 30.652815] R13: ffffb1e2013eff10 R14: ffffb1e2013eff10 R15: ffff9e2583921000 <4>[ 30.661109] FS: 00007f23805c7580(0000) GS:ffff9e25fad80000(0000) knlGS:0000000000000000 <4>[ 30.670468] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 30.677182] CR2: 00007f23803d1000 CR3: 0000000103f6e003 CR4: 00000000003706e0 # Segmentation fault # [ 30.230240] lkdtm: Performing direct entry BUG # [ 30.235576] ------------[ cut here ]------------ # [ 30.241042] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 30.247187] invalid opcode: 0000 [#1] SMP PTI # [ 30.252350] CPU: 3 PID: 639 Comm: cat Tainted: G W 5.10.212-cip44 #1 # [ 30.261199] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 30.268288] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 30.272960] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 78 2a 03 # [ 30.294232] RSP: 0018:ffffb1e2013efe60 EFLAGS: 00010286 # [<6>[ 30.765892] lkdtm: Performing direct entry WARNING 30.300357] RAX: ffffffffa157e5f0 RBX: 0000000000000001 RCX: 0<4>[ 30.775832] ------------[ cut here ]------------ 000000000000000 # [ 30.308607] RDX: 0000000000000000 RSI: fff<4>[ 30.787489] WARNING: CPU: 0 PID: 677 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 f9e25fad9bf50 RDI: ffffffffa29942b0 # [ 30.316868] RBP: fffff<4>[ 30.803425] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore fffa2e7f050 R08: 0000000000000001 R09: 0000000000000001 # [ 3<4>[ 30.862385] CPU: 0 PID: 677 Comm: cat Tainted: G D W 5.10.212-cip44 #1 0.325118] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000<4>[ 30.877437] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 00000000004 # [ 30.333377] R13: ffffb1e2013eff10 R14: ffffb1e<4>[ 30.890765] RIP: 0010:lkdtm_WARNING+0x13/0x20 2013eff10 R15: ffff9e2583921000 # [ 30.341640] FS: 00007f238<4>[ 30.902176] Code: c0 f4 ff ff ff eb c9 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 78 2a 03 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 e1 77 05c7580(0000) GS:ffff9e25fad80000(0000) knlGS:0000000000000000 <4>[ 30.929636] RSP: 0018:ffffb1e201467e60 EFLAGS: 00010202 # [ 30.350970] CS: 0010 DS: 0000 ES: 0000 CR0: 00000000800500<4>[ 30.942026] RAX: ffffffffa157e600 RBX: 0000000000000002 RCX: 0000000000000000 33 # [ 30.357676] CR2: 00007f23803d1000 CR3: 0000000103f6e003<4>[ 30.956471] RDX: 0000000000000000 RSI: ffff9e25fac1bf50 RDI: ffffffffa29942c0 CR4: 00000000003706e0 # [ 30.365936] Call Trace: # [ 30.3<4>[ 30.970972] RBP: ffffffffa2e1a6ef R08: 0000000000000000 R09: 0000000000000000 68956] ? __die_body.cold+0x1a/0x1f # [ 30.373623] ? die+0x2<4>[ 30.985422] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 b/0x50 # [ 30.377126] ? do_trap+0x91/0x110 # [ 30.381114]<4>[ 30.999912] R13: ffffb1e201467f10 R14: ffffb1e201467f10 R15: ffff9e25831f2000 ? lkdtm_BUG+0x5/0x10 # [ 30.385094] ? do_error_trap+0x90/0<4>[ 31.014372] FS: 00007f3433472580(0000) GS:ffff9e25fac00000(0000) knlGS:0000000000000000 x110 # [ 30.389657] ? lkdtm_BUG+0x5/0x10 # [ 30.393645] <4>[ 31.029944] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ? lkdtm_BUG+0x5/0x10 # [ 30.397627] ? exc_invalid_op+0x4e/0x<4>[ 31.042850] CR2: 00007f343327c000 CR3: 00000001043ec002 CR4: 00000000003706f0 70 # [ 30.402197] ? lkdtm_BUG+0x5/0x10 # [ 30.406186] ? <4>[ 31.057353] Call Trace: asm_exc_invalid_op+0x12/0x20 # [ 30.411147] ? direct_entry+0<4>[ 31.066573] ? __warn+0x80/0x110 xe0/0xe0 # [ 30.415525] ? lkdtm_BUG+0x5/0x10 # [ 30.41951<4>[ 31.076702] ? lkdtm_WARNING+0x13/0x20 5] direct_entry.cold+0x2c/0x38 # [ 30.424189] full_proxy_wr<4>[ 31.087375] ? report_bug+0x9e/0xc0 ite+0x53/0x80 # [ 30.428768] vfs_write+0xe7/0x3b0 # [ 30.<4>[ 31.097793] ? handle_bug+0x41/0x90 432755] ksys_write+0x68/0xf0 # [ 30.436735] do_syscall_64+0<4>[ 31.108180] ? exc_invalid_op+0x14/0x70 x30/0x40 # [ 30.441013] entry_SYSCALL_64_after_hwframe+0x62/<4>[ 31.118997] ? asm_exc_invalid_op+0x12/0x20 0xc7 # [ 30.446944] RIP: 0033:0x7f23804dd473 # [ 30.451223<4>[ 31.130149] ? lkdtm_BUG+0x10/0x10 ] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb<4>[ 31.140464] ? lkdtm_WARNING+0x13/0x20 b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 <4>[ 31.151145] direct_entry.cold+0x2c/0x38 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89<4>[ 31.162024] full_proxy_write+0x53/0x80 54 24 18 # [ 30.472494] RSP: 002b:00007fff247ecac8 EFLAGS: 0<4>[ 31.172801] vfs_write+0xe7/0x3b0 0000246 ORIG_RAX: 0000000000000001 # [ 30.481240] RAX: ffffff<4>[ 31.183029] ksys_write+0x68/0xf0 ffffffffda RBX: 0000000000000004 RCX: 00007f23804dd473 # [ 30<4>[ 31.193240] do_syscall_64+0x30/0x40 .489499] RDX: 0000000000000004 RSI: 00007f23803d1000 RDI: 000000<4>[ 31.203711] entry_SYSCALL_64_after_hwframe+0x62/0xc7 0000000001 # [ 30.497777] RBP: 00007f23803d1000 R08: 00007f23<4>[ 31.215901] RIP: 0033:0x7f3433388473 803d0010 R09: 0000000000000000 # [ 30.506030] R10: ffffffffff<4>[ 31.226381] 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 fffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 30.514<4>[ 31.253915] RSP: 002b:00007ffd969b4b58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 292] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000<4>[ 31.268897] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f3433388473 020000 # [ 30.522556] Modules linked in: fuse ip_tables cros_<4>[ 31.283378] RDX: 0000000000000008 RSI: 00007f343327c000 RDI: 0000000000000001 ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_t<4>[ 31.297840] RBP: 00007f343327c000 R08: 00007f343327b010 R09: 0000000000000000 riggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmallo<4>[ 31.312358] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 c videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_de<4>[ 31.326825] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 bugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_<4>[ 31.341349] irq event stamp: 0 charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal sn<4>[ 31.351245] hardirqs last enabled at (0): [<0000000000000000>] 0x0 d_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_<4>[ 31.364752] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cr<4>[ 31.380434] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 os_kbd_led_backlight chromeos_pstore # [ 30.577224] gsmi: Log<4>[ 31.396079] softirqs last disabled at (0): [<0000000000000000>] 0x0 Shutdown Reason 0x03 # [ 30.582123] ---[ end trace c17c1eb82<4>[ 31.409613] ---[ end trace c17c1eb82cc650c4 ]--- cc650c3 ]--- # [ 30.587592] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 30.592268] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 78 2a 03 # [ 30.613550] RSP: 0018:ffffb1e2013efe60 EFLAGS: 00010286 # [ 30.619673] RAX: ffffffffa157e5f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 30.627938] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffffffffa29942b0 # [ 30.636232] RBP: ffffffffa2e7f050 R08: 0000000000000001 R09: 0000000000000001 # [ 30.644524] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 30.652815] R13: ffffb1e2013eff10 R14: ffffb1e2013eff10 R15: ffff9e2583921000 # [ 3<6>[ 31.495238] lkdtm: Performing direct entry WARNING_MESSAGE 0.661109] FS: 00007f23805c7580(0000) GS:ffff9e25fad80000(0000) <4>[ 31.502244] ------------[ cut here ]------------ knlGS:0000000000000000 # [ 30.670468] CS: 0010 DS: 0000 ES: <4>[ 31.513902] Warning message trigger count: 2 0000 CR0: 0000000080050033 # [ 30.677182] CR2: 00007f23803d10<4>[ 31.525194] WARNING: CPU: 2 PID: 713 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 00 CR3: 0000000103f6e003 CR4: 00000000003706e0 # BUG: saw 'kern<4>[ 31.541890] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore <4>[ 31.600902] CPU: 2 PID: 713 Comm: cat Tainted: G D W 5.10.212-cip44 #1 el BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdt<4>[ 31.609763] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 31.623065] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 <4>[ 31.629020] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 e1 77 2a 03 48 c7 c7 50 ac e1 a2 8d 70 01 89 35 d1 77 2a 03 e8 72 00 68 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 <4>[ 31.650293] RSP: 0018:ffffb1e2014f7e60 EFLAGS: 00010286 <4>[ 31.656421] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 <4>[ 31.664684] RDX: ffff9e25fad2c620 RSI: ffff9e25fad1bf50 RDI: ffff9e25fad1bf50 <4>[ 31.672948] RBP: ffffffffa2e1a6f7 R08: 0000000000000000 R09: 0000000000000000 <4>[ 31.681212] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 <4>[ 31.689477] R13: ffffb1e2014f7f10 R14: ffffb1e2014f7f10 R15: ffff9e2583932000 <4>[ 31.697740] FS: 00007fd47131e580(0000) GS:ffff9e25fad00000(0000) knlGS:0000000000000000 <4>[ 31.707073] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 31.713781] CR2: 00007fd471128000 CR3: 0000000103f54005 CR4: 00000000003706e0 <4>[ 31.722044] Call Trace: <4>[ 31.725070] ? __warn+0x80/0x110 m: WARNING.sh # [ 30.765892] lkdtm: Performing direct entry W<4>[ 31.728993] ? lkdtm_WARNING_MESSAGE+0x20/0x30 <4>[ 31.740463] ? report_bug+0x9e/0xc0 <4>[ 31.744652] ? handle_bug+0x41/0x90 <4>[ 31.748866] ? exc_invalid_op+0x14/0x70 <4>[ 31.753443] ? asm_exc_invalid_op+0x12/0x20 <4>[ 31.758438] ? lkdtm_WARNING_MESSAGE+0x20/0x30 <4>[ 31.763727] direct_entry.cold+0x2c/0x38 <4>[ 31.768432] full_proxy_write+0x53/0x80 <4>[ 31.773040] vfs_write+0xe7/0x3b0 <4>[ 31.777062] ksys_write+0x68/0xf0 ARNING # [ 30.775832] ------------[ cut here ]------------ #<4>[ 31.781056] do_syscall_64+0x30/0x40 [ 30.787489] WARNING: CPU: 0 PID: 677 at drivers/misc/lkdtm/b<4>[ 31.791552] entry_SYSCALL_64_after_hwframe+0x62/0xc7 ugs.c:83 lkdtm_WARNING+0x13/0x20 # [ 30.803425] Modules linke<4>[ 31.803702] RIP: 0033:0x7fd471234473 <4>[ 31.814201] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 31.835505] RSP: 002b:00007fff20581fc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 31.844257] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fd471234473 <4>[ 31.852521] RDX: 0000000000000010 RSI: 00007fd471128000 RDI: 0000000000000001 <4>[ 31.860788] RBP: 00007fd471128000 R08: 00007fd471127010 R09: 0000000000000000 <4>[ 31.869079] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 31.877345] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 31.885631] irq event stamp: 0 d in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_s<4>[ 31.889342] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 31.902842] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 31.912273] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 31.921701] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 31.928993] ---[ end trace c17c1eb82cc650c5 ]--- ensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore # [ 30.862385] CPU: 0 PID: 677 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 30.877437] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 30.890765] RIP: 0010:lkdtm_WARNING+0x13/0x20 # [ 30.902176] 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<6>[ 32.008423] lkdtm: Performing direct entry EXCEPTION <1>[ 32.014904] BUG: kernel NULL pointer dereference, address: 0000000000000000 83 05 00 78 2a 03 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc c<1>[ 32.022996] #PF: supervisor write access in kernel mode <1>[ 32.035330] #PF: error_code(0x0002) - not-present page <6>[ 32.041356] PGD 0 P4D 0 <4>[ 32.044470] Oops: 0002 [#2] SMP PTI <4>[ 32.048653] CPU: 3 PID: 746 Comm: cat Tainted: G D W 5.10.212-cip44 #1 <4>[ 32.057486] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 32.064582] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 <4>[ 32.069833] Code: 48 c7 c7 50 ac e1 a2 8d 70 01 89 35 d1 77 2a 03 e8 72 00 68 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>[ 32.091096] RSP: 0018:ffffb1e201577e60 EFLAGS: 00010286 <4>[ 32.097211] RAX: ffffffffa157e650 RBX: 0000000000000004 RCX: 0000000000000000 <4>[ 32.105470] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffffffffa29942e0 <4>[ 32.113728] RBP: ffffffffa2d0e0cf R08: 0000000000000000 R09: 0000000000000000 <4>[ 32.121988] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 32.130245] R13: ffffb1e201577f10 R14: ffffb1e201577f10 R15: ffff9e25839a9000 <4>[ 32.138505] FS: 00007f9ce6801580(0000) GS:ffff9e25fad80000(0000) knlGS:0000000000000000 <4>[ 32.147833] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 32.154536] CR2: 0000000000000000 CR3: 0000000103914002 CR4: 00000000003706e0 <4>[ 32.162794] Call Trace: <4>[ 32.165813] ? __die_body.cold+0x1a/0x1f <4>[ 32.170483] ? no_context+0x177/0x380 <4>[ 32.174861] ? exc_page_fault+0x53/0x170 <4>[ 32.179528] ? asm_exc_page_fault+0x1e/0x30 <4>[ 32.184487] ? lkdtm_WARNING_MESSAGE+0x30/0x30 <4>[ 32.189737] ? lkdtm_EXCEPTION+0x5/0x20 <4>[ 32.194310] direct_entry.cold+0x2c/0x38 <4>[ 32.198979] full_proxy_write+0x53/0x80 <4>[ 32.203551] vfs_write+0xe7/0x3b0 <4>[ 32.207538] ksys_write+0x68/0xf0 <4>[ 32.211526] do_syscall_64+0x30/0x40 <4>[ 32.215805] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 32.221736] RIP: 0033:0x7f9ce6717473 <4>[ 32.226013] 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>[ 32.247283] RSP: 002b:00007fff288a2108 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 32.256045] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f9ce6717473 <4>[ 32.264303] RDX: 000000000000000a RSI: 00007f9ce660b000 RDI: 0000000000000001 <4>[ 32.272560] RBP: 00007f9ce660b000 R08: 00007f9ce660a010 R09: 0000000000000000 <4>[ 32.280819] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 32.289079] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 c 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 e1 77 # [ 30.929636]<4>[ 32.297341] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore <4>[ 32.356323] CR2: 0000000000000000 <4>[ 32.360311] ---[ end trace c17c1eb82cc650c6 ]--- <4>[ 32.365754] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 32.370420] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 78 2a 03 <4>[ 32.391691] RSP: 0018:ffffb1e2013efe60 EFLAGS: 00010286 <4>[ 32.397815] RAX: ffffffffa157e5f0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 32.406074] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffffffffa29942b0 <4>[ 32.414331] RBP: ffffffffa2e7f050 R08: 0000000000000001 R09: 0000000000000001 <4>[ 32.422590] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 32.430849] R13: ffffb1e2013eff10 R14: ffffb1e2013eff10 R15: ffff9e2583921000 <4>[ 32.439110] FS: 00007f9ce6801580(0000) GS:ffff9e25fad80000(0000) knlGS:0000000000000000 <4>[ 32.448435] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 32.455141] CR2: 0000000000000000 CR3: 0000000103914002 CR4: 00000000003706e0 <3>[ 32.463402] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 32.473604] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 746, name: cat <4>[ 32.482251] INFO: lockdep is turned off. <4>[ 32.486917] irq event stamp: 0 <4>[ 32.490613] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 32.497903] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 32.507319] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 32.516743] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 32.524033] CPU: 3 PID: 746 Comm: cat Tainted: G D W 5.10.212-cip44 #1 <4>[ 32.532880] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 32.539973] Call Trace: <4>[ 32.542992] dump_stack+0x77/0x9b <4>[ 32.546981] ___might_sleep.cold+0xa6/0xb6 <4>[ 32.551848] exit_signals+0x1c/0x300 <4>[ 32.556127] do_exit+0xc2/0xab0 <4>[ 32.559913] ? ksys_write+0x68/0xf0 <4>[ 32.564097] make_task_dead+0x2f/0x30 <4>[ 32.568473] rewind_stack_and_make_dead+0x17/0x20 <4>[ 32.574013] RIP: 0033:0x7f9ce6717473 <4>[ 32.578291] 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>[ 32.599562] RSP: 002b:00007fff288a2108 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 32.608308] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f9ce6717473 <4>[ 32.616581] RDX: 000000000000000a RSI: 00007f9ce660b000 RDI: 0000000000000001 <4>[ 32.624840] RBP: 00007f9ce660b000 R08: 00007f9ce660a010 R09: 0000000000000000 <4>[ 32.633099] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 32.641357] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 RSP: 0018:ffffb1e201467e60 EFLAGS: 00010202 # [ 30.942026] RAX: ffffffffa157e600 RBX: 0000000000000002 RCX: 0000000000000000 # [ 30.956471] RDX: 0000000000000000 RSI: ffff9e25fac1bf50 RDI: ffffffffa29942c0 # [ 30.970972] RBP: ffffffffa2e1a6ef R08: 0000000000000000 R09: 0000000000000000 # [ 30.985422] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ 30.999912] R13: ffffb1e201467f10 R14: ffffb1e201467f10 R15: ffff9e25831f2000 # [ 31.014372] FS: 00007f3433472580(0000) GS:ffff9e25fac00000(0000) knlGS:0000000000000000 # [ 31.029944] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 31.042850] CR2: 00007f343327c000 CR3: 00000001043ec002 CR4: 00000000003706f0 # [ 31.057353] Call Trace: # [ 31.066573] ? __warn+0x80/0x110 # [ 31.076702] ? lkdtm_WARNING+0x13/0x20 # [ 31.087375] ? report_bug+0x9e/0xc0 # [ 31.097793] ? handle_bug+0x41/0x90 # [ 31.108180] ? exc_invalid_op+0x14/0x70 # [ 31.118997] ? asm_exc_invalid_op+0x12/0x20 # [ 31.130149] ? lkdtm_BUG+0x10/0x10 # [ 31.140464] ? lkdtm_WARNING+0x13/0x20 # [ 31.151145] direct_entry.cold+0x2c/0x38 # [ 31.162024] full_proxy_write+0x53/0x80 # [ 31.172801] vfs_write+0xe7/0x3b0 # [ 31.183029] ksys_write+0x68/0xf0 # [ 31.193240] do_syscall_64+0x30/0x40 # [ 31.203711] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 31.215901] RIP: 0033:0x7f3433388473 # [ 31.226381] 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 # [ 31.253915] RSP: 002b:00007ffd969b4b58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 31.268897] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f3433388473 # [ 31.283378] RDX: 0000000000000008 RSI: 00007f343327c000 RDI: 0000000000000001 # [ 31.297840] RBP: 00007f343327c000 R08: 00007f343327b010 R09: 0000000000000000 # [ 31.312358] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 31.326825] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 31.341349] irq event stamp: 0 # [ 31.351245] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 31.364752] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 31.380434] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 31.396079] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 31.409613] ---[ end trace c17c1eb82cc650c4 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 31.495238] lkdtm: Performing direct entry WARNING_MESSAGE # [ 31.502244] ------------[ cut here ]------------ # [ 31.513902] Warning message trigger count: 2 # [ 31.525194] WARNING: CPU: 2 PID: 713 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 31.541890] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vma<6>[ 32.953657] lkdtm: Performing direct entry CORRUPT_LIST_ADD <6>[ 32.960765] lkdtm: attempting good list addition <6>[ 32.966220] lkdtm: attempting corrupted list addition <3>[ 32.972162] lkdtm: list_add() corruption not detected! lloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore # [ 31.600902] CPU: 2 PID: 713 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 31.609763] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 31.623065] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 31.629020] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 e1 77 2a 03 48 c7 c7 50 ac e1 a2 8d 70 01 89 35 d1 77 2a 03 e8 72 00 68 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 31.650293] RSP: 0018:ffff<6>[ 33.055598] lkdtm: Performing direct entry CORRUPT_LIST_DEL b1e2014f7e60 EFLAGS: 00010286 # [ 31.656421] RAX: 00000000000<6>[ 33.065551] lkdtm: attempting good list removal 00000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 31.6646<6>[ 33.077112] lkdtm: attempting corrupted list removal <3>[ 33.089162] lkdtm: list_del() corruption not detected! 84] RDX: ffff9e25fad2c620 RSI: ffff9e25fad1bf50 RDI: ffff9e25fad1bf50 # [ 31.672948] RBP: ffffffffa2e1a6f7 R08: 0000000000000000 R09: 0000000000000000 # [ 31.681212] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 31.689477] R13: ffffb1e2014f7f10 R14: ffffb1e2014f7f10 R15: ffff9e2583932000 # [ 31.697740] FS: 00007fd47131e580(0000) GS:ffff9e25fad00000(0000) knlGS:0000000000000000 # [ 31.707073] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 31.713781] CR2: 00007fd471128000 CR3: 0000000103f54005 CR4: 00000000003706e0 # [ 31.722044] Call Trace: # [ 31.725070] ? __warn+0x80/0x110 # [ 31.728993] ? lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 31.740463] ? report_bug+0x9e/0xc0 # [ 31.744652] ? handle_bug+0x41/0x90 # [ 31.748866] ? exc_invalid_op+0x14/0x70 # [ 31.7<6>[ 33.170820] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING <6>[ 33.183279] lkdtm: attempting bad read from page below current stack <0>[ 33.190724] BUG: stack guard page was hit at 000000003a01e9ab (stack is 0000000065375049..00000000b2a055ae) 53443] ? asm_exc_invalid_op+0x12/0x20 # [ 31.758438] ? lkdt<4>[ 33.201908] kernel stack overflow (page fault): 0000 [#3] SMP PTI <4>[ 33.215214] CPU: 2 PID: 978 Comm: cat Tainted: G D W 5.10.212-cip44 #1 m_WARNING_MESSAGE+0x20/0x30 # [ 31.763727] direct_entry.cold<4>[ 33.224058] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 33.237369] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a <4>[ 33.244172] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 f0 af e1 a2 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 22 de fb ff 48 c7 c7 30 b0 e1 a2 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 08 de fb ff 0f 1f 44 <4>[ 33.265434] RSP: 0018:ffffb1e201907e50 EFLAGS: 00010246 <4>[ 33.271549] RAX: 0000000000000038 RBX: ffffb1e201904000 RCX: 0000000000000000 <4>[ 33.279809] RDX: 0000000000000000 RSI: ffff9e25fad1bf50 RDI: ffffffffa2e1b030 <4>[ 33.288070] RBP: ffffffffa2e1a75a R08: 0000000000000000 R09: 0000000000000000 <4>[ 33.296329] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 <4>[ 33.304588] R13: ffffb1e201907f10 R14: ffffb1e201907f10 R15: ffff9e25839b6000 <4>[ 33.312846] FS: 00007fce01f5d580(0000) GS:ffff9e25fad00000(0000) knlGS:0000000000000000 <4>[ 33.322174] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 33.328879] CR2: ffffb1e201903fff CR3: 0000000103d04004 CR4: 00000000003706e0 <4>[ 33.337138] Call Trace: <4>[ 33.340153] <#DF> <4>[ 33.342707] ? __die_body.cold+0x1a/0x1f <4>[ 33.347377] ? die+0x2b/0x50 <4>[ 33.350880] ? handle_stack_overflow+0x3e/0x4d <4>[ 33.356131] ? no_context+0x24d/0x380 <4>[ 33.360506] +0x2c/0x38 # [ 31.768432] full_proxy_write+0x53/0x80 # [ <4>[ 33.363134] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore <4>[ 33.422122] ---[ end trace c17c1eb82cc650c7 ]--- <4>[ 33.427567] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 33.432234] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 78 2a 03 <4>[ 33.453506] RSP: 0018:ffffb1e2013efe60 EFLAGS: 00010286 <4>[ 33.459621] RAX: ffffffffa157e5f0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 33.467879] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffffffffa29942b0 <4>[ 33.476140] RBP: ffffffffa2e7f050 R08: 0000000000000001 R09: 0000000000000001 <4>[ 33.484389] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 33.492648] R13: ffffb1e2013eff10 R14: ffffb1e2013eff10 R15: ffff9e2583921000 <4>[ 33.500908] FS: 00007fce01f5d580(0000) GS:ffff9e25fad00000(0000) knlGS:0000000000000000 <4>[ 33.510234] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 33.516939] CR2: ffffb1e201903fff CR3: 0000000103d04004 CR4: 00000000003706e0 <3>[ 33.525197] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 33.535397] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 978, name: cat <4>[ 33.544044] INFO: lockdep is turned off. <4>[ 33.548711] irq event stamp: 0 <4>[ 33.552409] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 33.559698] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 33.569113] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 33.578538] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 33.585827] CPU: 2 PID: 978 Comm: cat Tainted: G D W 5.10.212-cip44 #1 <4>[ 33.594689] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 33.601783] Call Trace: <4>[ 33.604802] dump_stack+0x77/0x9b <4>[ 33.608790] ___might_sleep.cold+0xa6/0xb6 <4>[ 33.613646] exit_signals+0x1c/0x300 <4>[ 33.617970] do_exit+0xc2/0xab0 <4>[ 33.621755] ? ksys_write+0x68/0xf0 <4>[ 33.625928] make_task_dead+0x2f/0x30 <4>[ 33.630296] rewind_stack_and_make_dead+0x17/0x20 <4>[ 33.635837] RIP: 0033:0x7fce01e73473 <4>[ 33.640115] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 33.661384] RSP: 002b:00007ffec7ac91e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 33.670130] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fce01e73473 <4>[ 33.678388] RDX: 0000000000000019 RSI: 00007fce01d67000 RDI: 0000000000000001 <4>[ 33.686646] RBP: 00007fce01d67000 R08: 00007fce01d66010 R09: 0000000000000000 <4>[ 33.694904] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 33.703164] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 31.773040] vfs_write+0xe7/0x3b0 # [ 31.777062] ksys_write+0x68/0xf0 # [ 31.781056] do_syscall_64+0x30/0x40 # [ 31.791552] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 31.803702] RIP: 0033:0x7fd471234473 # [ 31.814201] 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 # [ 31.835505] RSP: 002b:00007fff20581fc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 31.844257] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fd471234473 # [ 31.852521] RDX: 0000000000000010 RSI: 00007fd471128000 RDI: 0000000000000001 # [ 31.860788] RBP: 00007fd471128000 R08: 00007fd471127010 R09: 0000000000000000 # [ 31.869079] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 31.877345] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 31.8856<6>[ 33.799088] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING <6>[ 33.812079] lkdtm: attempting bad read from page above current stack <0>[ 33.819480] BUG: stack guard page was hit at 00000000e5e2b885 (stack is 00000000df5bfec8..0000000028dd8738) <4>[ 33.830664] kernel stack overflow (page fault): 0000 [#4] SMP PTI 31] irq event stamp: 0 # [ 31.889342] hardirqs last enabled <4>[ 33.837763] CPU: 2 PID: 1012 Comm: cat Tainted: G D W 5.10.212-cip44 #1 <4>[ 33.852915] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 at <(0): [<0000000000000000>] 0x0 # [ 31.902842] hardirqs last4>[ 33.860013] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d <4>[ 33.873128] Code: de fb ff 0f 1f 44 00 00 53 48 c7 c7 68 b0 e1 a2 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 e8 dd fb ff 48 c7 c7 a8 b0 e1 a2 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 cb dd fb ff <4>[ 33.894397] RSP: 0018:ffffb1e20199fe50 EFLAGS: 00010246 <4>[ 33.900520] RAX: 0000000000000038 RBX: ffffb1e20199c000 RCX: 0000000000000000 <4>[ 33.908780] RDX: 0000000000000000 RSI: ffff9e25fad1bf50 RDI: ffffffffa2e1b0a8 <4>[ 33.917039] RBP: ffffffffa2e1a773 R08: 0000000000000000 R09: 0000000000000000 <4>[ 33.925299] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a <4>[ 33.933558] R13: ffffb1e20199ff10 R14: ffffb1e20199ff10 R15: ffff9e25845bf000 <4>[ 33.941819] FS: 00007f78c25bf580(0000) GS:ffff9e25fad00000(0000) knlGS:0000000000000000 <4>[ 33.951146] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 33.957850] CR2: ffffb1e2019a0000 CR3: 0000000103c92005 CR4: 00000000003706e0 <4>[ 33.966108] Call Trace: <4>[ 33.969124] <#DF> <4>[ 33.971657] ? __die_body.cold+0x1a/0x1f <4>[ 33.976333] ? die+0x2b/0x50 <4>[ 33.979835] ? handle_stack_overflow+0x3e/0x4d <4>[ 33.985076] ? no_context+0x24d/0x380 <4>[ 33.989450] d] copy_process+0x65c/0x20e04>[ 33.992076] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore <4>[ 34.051067] ---[ end trace c17c1eb82cc650c8 ]--- <4>[ 34.056511] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 34.061169] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 78 2a 03 <4>[ 34.082440] RSP: 0018:ffffb1e2013efe60 EFLAGS: 00010286 <4>[ 34.088555] RAX: ffffffffa157e5f0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 34.096813] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffffffffa29942b0 <4>[ 34.105071] RBP: ffffffffa2e7f050 R08: 0000000000000001 R09: 0000000000000001 <4>[ 34.113330] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 34.121589] R13: ffffb1e2013eff10 R14: ffffb1e2013eff10 R15: ffff9e2583921000 <4>[ 34.129849] FS: 00007f78c25bf580(0000) GS:ffff9e25fad00000(0000) knlGS:0000000000000000 <4>[ 34.139177] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 34.145883] CR2: ffffb1e2019a0000 CR3: 0000000103c92005 CR4: 00000000003706e0 # [ 31.912273] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 31.921701] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 31.928993] ---[ end trace c17c1eb82cc650c5 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 32.008423] lkdtm: Performing direct entry EXCEPTION # [ 32.014904] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 32.022996] #PF: supervisor write access in kernel mode # [ 32.035330] #PF: error_code(0x0002) - not-present page # [ 32.041356] PGD 0 P4D 0 # [ 32.044470] Oops: 0002 [#2] SMP PTI # [ 32.048653] CPU: 3 PID: 746 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 32.057486] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 32.064582] RIP: 0010:lkdtm_EXCE<6>[ 34.238252] lkdtm: Performing direct entry UNSET_SMEP <6>[ 34.247134] lkdtm: trying to clear SMEP normally PTION+0x5/0x20 # [ 32.069833] Code: 48 c7 c7 50 ac e1 a2 8d 7<4>[ 34.252611] ------------[ cut here ]------------ <4>[ 34.264268] pinned CR4 bits changed: 0x100000!? <4>[ 34.269671] WARNING: CPU: 3 PID: 1049 at arch/x86/kernel/cpu/common.c:397 native_write_cr4+0x45/0x60 0 01 89 35 d1 77 2a 03 e8 72 00 68 00 0f 0b c3 cc cc cc cc 66 0f<4>[ 34.280176] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore <4>[ 34.339142] CPU: 3 PID: 1049 Comm: cat Tainted: G D W 5.10.212-cip44 #1 <4>[ 34.348110] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 34.355209] RIP: 0010:native_write_cr4+0x45/0x60 <4>[ 34.360658] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 6a 50 86 02 00 75 f2 48 c7 c7 70 81 d1 a2 c6 05 5a 50 86 02 01 e8 8d c2 13 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 0<4>[ 34.381941] RSP: 0018:ffffb1e201a27e48 EFLAGS: 00010286 <4>[ 34.394285] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 <4>[ 34.402548] RDX: ffff9e25fadac620 RSI: ffff9e25fad9bf50 RDI: ffff9e25fad9bf50 <4>[ 34.410812] RBP: ffffffffa2e1a78d R08: 0000000000000000 R09: 0000000000000000 0 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 # [ 32.091096] RSP: <4>[ 34.419079] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b 0018:ffffb1e201577e60 EFLAGS: 00010286 # [ 32.097211] RAX: ff<4>[ 34.433555] R13: ffffb1e201a27f10 R14: ffffb1e201a27f10 R15: ffff9e2583f00000 ffffffa157e650 RBX: 0000000000000004 RCX: 0000000000000000 # [ <4>[ 34.448035] FS: 00007f5e3a66e580(0000) GS:ffff9e25fad80000(0000) knlGS:0000000000000000 <4>[ 34.463581] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 34.470293] CR2: 00007f5e3a478000 CR3: 000000010595c003 CR4: 00000000003706e0 <4>[ 34.478580] Call Trace: 32.105470] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ff<4>[ 34.481625] ? __warn+0x80/0x110 <4>[ 34.491730] ? native_write_cr4+0x45/0x60 <4>[ 34.496530] ? report_bug+0x9e/0xc0 <4>[ 34.500743] ? handle_bug+0x41/0x90 <4>[ 34.504926] ? exc_invalid_op+0x14/0x70 <4>[ 34.509501] ? asm_exc_invalid_op+0x12/0x20 <4>[ 34.514509] ? native_write_cr4+0x45/0x60 ffffffa29942e0 # [ 32.113728] RBP: ffffffffa2d0e0cf R08: 0000<4>[ 34.519285] ? native_write_cr4+0x45/0x60 <4>[ 34.530263] lkdtm_UNSET_SMEP.cold+0x1d/0x103 000000000000 R09: 0000000000000000 # [ 32.121988] R10: 000000<4>[ 34.535451] direct_entry.cold+0x2c/0x38 <4>[ 34.546336] full_proxy_write+0x53/0x80 <4>[ 34.550941] vfs_write+0xe7/0x3b0 <4>[ 34.554955] ksys_write+0x68/0xf0 <4>[ 34.558972] do_syscall_64+0x30/0x40 <4>[ 34.563279] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 34.569236] RIP: 0033:0x7f5e3a584473 <4>[ 34.573517] 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>[ 34.594792] RSP: 002b:00007ffd3cfe2dc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 34.603543] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f5e3a584473 <4>[ 34.611805] RDX: 000000000000000b RSI: 00007f5e3a478000 RDI: 0000000000000001 <4>[ 34.620068] RBP: 00007f5e3a478000 R08: 00007f5e3a477010 R09: 0000000000000000 <4>[ 34.628331] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 34.636595] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 34.644863] irq event stamp: 0 00ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 32<4>[ 34.648587] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 34.662090] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 34.671520] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 34.680965] softirqs last disabled at (0): [<0000000000000000>] 0x0 .130245] R13: ffffb1e201577f10 R14: ffffb1e201577f10 R15: ffff9e<4>[ 34.688268] ---[ end trace c17c1eb82cc650c9 ]--- <6>[ 34.699923] lkdtm: ok: SMEP did not get cleared 25839a9000 # [ 32.138505] FS: 00007f9ce6801580(0000) GS:ffff<6>[ 34.705273] lkdtm: trying to clear SMEP with call gadget <6>[ 34.717714] lkdtm: ok: SMEP removal was reverted 9e25fad80000(0000) knlGS:0000000000000000 # [ 32.147833] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 32.154536] CR2: 0000000000000000 CR3: 0000000103914002 CR4: 00000000003706e0 # [ 32.162794] Call Trace: # [ 32.165813] ? __die_body.cold+0x1a/0x1f # [ 32.170483] ? no_context+0x177/0x380 # [ 32.174861] ? exc_page_fault+0x53/0x170 # [ 32.179528] ? asm_exc_page_fault+0x1e/0x30 # [ 32.184487] ? lkdtm_WARNING_MESSAGE+0x30/0x30 # [ 32.189737] ? lkdtm_EXCEPTION+0x5/0x20 # [ 32.194310] direct_entry.cold+0x2c/0x38 # [ 32.198979] full_proxy_write+0x53/0x80 # [ 32.203551] vfs_write+0xe7/0x3b0 # [ 32.207538] ksys_write+0x68/0xf0 # [ 32.211526] do_syscall_64+0x30/0x40 # [ 32.215805] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 32.221736] RIP: 0033:0x7f9ce6717473 # [ 32.226013] 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 <6>[ 34.816492] lkdtm: Performing direct entry DOUBLE_FAULT <3>[ 34.828731] lkdtm: XFAIL: this test is ia32-only 83 ec 28 48 89 54 24 18 # [ 32.247283] RSP: 002b:00007fff288a2108 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 32.256045] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f9ce6717473 # [ 32.264303] RDX: 000000000000000a RSI: 00007f9ce660b000 RDI: 0000000000000001 # [ 32.272560] RBP: 00007f9ce660b000 R08: 00007f9ce660a010 R09: 0000000000000000 # [ 32.280819] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 32.289079] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 32.297341] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_com<6>[ 34.921687] lkdtm: Performing direct entry CORRUPT_PAC press snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify cor<3>[ 34.933451] lkdtm: XFAIL: this test is arm64-only eboot_table cros_kbd_led_backlight chromeos_pstore # [ 32.356323] CR2: 0000000000000000 # [ 32.360311] ---[ end trace c17c1eb82cc650c6 ]--- # [ 32.365754] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 32.370420] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 78 2a 03 # [ 32.391691] RSP: 0018:ffffb1e2013efe60 EFLAGS: 00010286 # [ 32.397815] RAX: ffffffffa157e5f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 32.406074] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffffffffa29942b0 # [ 32.414331] RBP: ffffffffa2e7f050 R08: 0000000000000001 R09: 0000000000000001 # [ 32.422590] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 32.430849] R13: ffffb1e2013eff10 R14: ffffb1e2013eff10 R15: ffff9e2583921000 # [ 32.439110] FS: 00007f9ce6801580(0000) GS:ffff9e25fad80000(0<6>[ 35.033447] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE 000) knlGS:0000000000000000 # [ 32.448435] CS: 0010 DS: 0000<3>[ 35.045929] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS ES: 0000 CR0: 0000000080050033 # [ 32.455141] CR2: 0000000000000000 CR3: 0000000103914002 CR4: 00000000003706e0 # [ 32.463402] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 32.473604] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 746, name: cat # [ 32.482251] INFO: lockdep is turned off. # [ 32.486917] irq event stamp: 0 # [ 32.490613] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 32.497903] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 32.507319] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 32.516743] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 32.524033] CPU: 3 PID: 746 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 32.532880] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 32.539973] Call Trace: # [ 32.542992] dump_stack+0x77/0x9b # [ 32.546981] ___might_sleep.cold+0xa6/0xb6 # [ 32.551848] exit_signals+0x1c/0x300 # [ 32.556127] do_exit+0xc2/0xab0 # [ 32.559913] ? ksys_write+0x68/0xf0 # [ 32.564097] make_task_dead+0x2f/0x30 # [ 32.568473] rewind_stack_and_make_dead+0x17/0x20 # [ 32.574013] RIP: 0033:0x7f9ce6717473 # [ 32.578291] 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<6>[ 35.200530] lkdtm: Performing direct entry READ_AFTER_FREE <6>[ 35.209401] lkdtm: Value in memory before free: 12345678 <6>[ 35.215683] lkdtm: Attempting bad read from freed memory 83 ec 28 48 89 54 24 18 # [ 32.599562] RSP: 002b:00007fff288<6>[ 35.221923] lkdtm: Memory was not poisoned a2108 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 32.608308] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f9ce6717473 # [ 32.616581] RDX: 000000000000000a RSI: 00007f9ce660b000 RDI: 0000000000000001 # [ 32.624840] RBP: 00007f9ce660b000 R08: 00007f9ce660a010 R09: 0000000000000000 # [ 32.633099] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 32.641357] 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 # [ 32.95<6>[ 35.344405] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE <6>[ 35.351947] lkdtm: Value in memory before free: 12345678 <6>[ 35.358220] lkdtm: Attempting to read from freed memory 3657] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 32.<6>[ 35.364379] lkdtm: Buddy page was not poisoned 960765] lkdtm: attempting good list addition # [ 32.966220] lkdtm: attempting corrupted list addition # [ 32.972162] 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 # [ 33.055598] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 33.065551] lkdtm: attempting good list removal # [ 33.077112] lkdtm: attempting corrupted list removal # [ 33.089162] 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 # [ 33.170820] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 33.183279] lkdtm: attempting bad read from page below current s<6>[ 35.459756] lkdtm: Performing direct entry SLAB_FREE_DOUBLE tack # [ 33.190724] BUG: stack guard page was hit at 00000000<6>[ 35.469502] lkdtm: Attempting double slab free ... 3a01e9ab (stack is 0000000065375049..00000000b2a055ae) # [ 33.201908] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 33.215214] CPU: 2 PID: 978 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 33.224058] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 33.237369] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 33.244172] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 f0 af e1 a2 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 22 de fb ff 48 c7 c7 30 b0 e1 a2 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 08 de fb ff 0f 1f 44 # [ 33.265434] RSP: 0018:ffffb1e201907e50 EFLAGS: 00010246 # [ 33.271549] RAX: 0000000000000038 RBX: ffffb1e201904000 RCX: 0000000000000000 # [ 33.279809] RDX: 0000000000000000 RSI: ffff9e25fad1bf50 RDI: ffffffffa2e1b030 # [ 33.288070] RBP: ffffffffa2e1a75a R08: 0000000000000000 R09: 0000000000000000 # [ 33.296329] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 33.304588] R13: ffffb1e201907f10 R14: ffffb<6>[ 35.577171] lkdtm: Performing direct entry SLAB_FREE_CROSS <6>[ 35.587199] lkdtm: Attempting cross-cache slab free ... 1e201907f10 R15: ffff9e25839b6000 # [ 33.312846] FS: 00007fce01f5d580(0000) GS:ffff9e25fad00000(0000) knlGS:0000000000000000 # [ 33.322174] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 33.328879] CR2: ffffb1e201903fff CR3: 0000000103d04004 CR4: 00000000003706e0 # [ 33.337138] Call Trace: # [ 33.340153] <#DF> # [ 33.342707] ? __die_body.cold+0x1a/0x1f # [ 33.347377] ? die+0x2b/0x50 # [ 33.350880] ? handle_stack_overflow+0x3e/0x4d # [ 33.356131] ? no_context+0x24d/0x380 # [ 33.360506] # [ 33.363134] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore # [ <6>[ 35.696705] lkdtm: Performing direct entry SLAB_FREE_PAGE <6>[ 35.705385] lkdtm: Attempting non-Slab slab free ... 33.422122] ---[ end trace c17c1eb82cc650c7 ]--- # [ 33.427567] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 33.432234] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 78 2a 03 # [ 33.453506] RSP: 0018:ffffb1e2013efe60 EFLAGS: 00010286 # [ 33.459621] RAX: ffffffffa157e5f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 33.467879] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffffffffa29942b0 # [ 33.476140] RBP: ffffffffa2e7f050 R08: 0000000000000001 R09: 0000000000000001 # [ 33.484389] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 33.492648] R13: ffffb1e2013eff10 R14: ffffb1e2013eff10 R15: ffff9e2583921000 # [ 33.500908] FS: 00007fce01f5d580(0000) GS:ffff9e25fad00000(0000) knlGS:0000000000000000 # [ 33.510234] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 33.516939] CR2: ffffb1e201903fff CR3: 0000000103d04004 CR4: 00000000003706e0 # [ 33.525197] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 33.535397] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 978, name: cat # [ 33.544044] INFO: lockdep is turned off. # [ 33.548711] irq event stamp: 0 # [ 33.552409] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 33.559698] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 33.569113] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 33.578538] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 33.585827] CPU: 2 PID: 978 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 33.594689] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 33.601783] Call Trace: # [ 33.604802] dump_stack+0x77/0x9b # [ 33.608790] ___might_sleep.cold+0xa6/0xb6 # [ 33.613646] exit_signals+0x1c/0x300 # [ 33.617970] do_exit+0xc2/0xab0 # [ 33.621755] ? ksys_write+0x68/0xf0 # [ 33.625928] make_task_dead+0x2f/0x30 # [ 33.630296] rewind_stack_and_make_dead+0x17/0x20 # [ 33.63<6>[ 35.917900] lkdtm: Performing direct entry EXEC_DATA <6>[ 35.928409] lkdtm: attempting ok execution at ffffffffa157e9c0 <6>[ 35.935247] lkdtm: attempting bad execution at ffffffffa4825e40 <2>[ 35.942155] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) 5837] RIP: 0033:0x7fce01e73473 # [ 33.640115] Code: 8b 15 21 <1>[ 35.950829] BUG: unable to handle page fault for address: ffffffffa4825e40 <1>[ 35.965013] #PF: supervisor instruction fetch in kernel mode <1>[ 35.971624] #PF: error_code(0x0011) - permissions violation <6>[ 35.978153] PGD 21e29067 P4D 21e29067 PUD 21e2a063 PMD 80000000236000e3 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8<4>[ 35.985939] Oops: 0011 [#5] SMP PTI <4>[ 35.996332] CPU: 3 PID: 1573 Comm: cat Tainted: G D W 5.10.212-cip44 #1 <4>[ 36.005273] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 36.012370] RIP: 0010:data_area+0x0/0x40 <4>[ 36.017053] Code: ff ff 00 52 d0 84 25 9e ff ff 00 51 d0 84 25 9e ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 <4>[ 36.038323] RSP: 0018:ffffb1e2022bfe48 EFLAGS: 00010246 <4>[ 36.044448] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 36.052708] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffff9e25fad9bf50 <4>[ 36.060966] RBP: ffffffffa4825e40 R08: 0000000000000000 R09: 0000000000000000 <4>[ 36.069226] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 36.077485] R13: ffffb1e2022bff10 R14: ffffb1e2022bff10 R15: ffff9e258256a000 <4>[ 36.085745] FS: 00007fb66c736580(0000) GS:ffff9e25fad80000(0000) knlGS:0000000000000000 <4>[ 36.095072] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 36.101777] CR2: ffffffffa4825e40 CR3: 0000000104738006 CR4: 00000000003706e0 <4>[ 36.110037] Call Trace: <4>[ 36.113056] ? __die_body.cold+0x1a/0x1f <4>[ 36.117724] ? no_context+0x177/0x380 <4>[ 36.122094] ? exc_page_fault+0xd7/0x170 <4>[ 36.126780] ? asm_exc_page_fault+0x1e/0x30 <4>[ 36.131763] ? execute_location+0x45/0x56 <4>[ 36.136529] ? direct_entry.cold+0x2c/0x38 <4>[ 36.141391] ? full_proxy_write+0x53/0x80 <4>[ 36.146157] ? vfs_write+0xe7/0x3b0 <4>[ 36.150330] ? ksys_write+0x68/0xf0 <4>[ 36.154513] ? do_syscall_64+0x30/0x40 <4>[ 36.158986] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 <4>[ 36.165112] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore <4>[ 36.224097] CR2: ffffffffa4825e40 <4>[ 36.228074] ---[ end trace c17c1eb82cc650ca ]--- <4>[ 36.233521] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 36.238189] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 78 2a 03 <4>[ 36.259459] RSP: 0018:ffffb1e2013efe60 EFLAGS: 00010286 <4>[ 36.265584] RAX: ffffffffa157e5f0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 36.273844] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffffffffa29942b0 <4>[ 36.282103] RBP: ffffffffa2e7f050 R08: 0000000000000001 R09: 0000000000000001 <4>[ 36.290379] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 36.298639] R13: ffffb1e2013eff10 R14: ffffb1e2013eff10 R15: ffff9e2583921000 <4>[ 36.306900] FS: 00007fb66c736580(0000) GS:ffff9e25fad80000(0000) knlGS:0000000000000000 <4>[ 36.316219] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 36.322924] CR2: ffffffffa4825e40 CR3: 0000000104738006 CR4: 00000000003706e0 <3>[ 36.331185] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 36.341387] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1573, name: cat <4>[ 36.350132] INFO: lockdep is turned off. <4>[ 36.354797] irq event stamp: 0 <4>[ 36.358492] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 36.365780] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 36.375212] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 36.384637] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 36.391925] CPU: 3 PID: 1573 Comm: cat Tainted: G D W 5.10.212-cip44 #1 <4>[ 36.400863] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 36.407956] Call Trace: <4>[ 36.410973] dump_stack+0x77/0x9b <4>[ 36.414953] ___might_sleep.cold+0xa6/0xb6 <4>[ 36.419808] exit_signals+0x1c/0x300 <4>[ 36.424097] do_exit+0xc2/0xab0 <4>[ 36.427891] ? ksys_write+0x68/0xf0 <4>[ 36.432078] make_task_dead+0x2f/0x30 <4>[ 36.436454] rewind_stack_and_make_dead+0x17/0x20 <4>[ 36.442000] RIP: 0033:0x7fb66c64c473 <4>[ 36.446279] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 36.467551] RSP: 002b:00007ffeb063ed98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 36.476296] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fb66c64c473 <4>[ 36.484555] RDX: 000000000000000a RSI: 00007fb66c540000 RDI: 0000000000000001 <4>[ 36.492812] RBP: 00007fb66c540000 R08: 00007fb66c53f010 R09: 0000000000000000 <4>[ 36.501072] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 36.509330] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 33.661384] RSP: 002b:00007ffec7ac91e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 33.670130] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fce01e73473 # [ 33.678388] RDX: 0000000000000019 RSI: 00007fce01d67000 RDI: 0000000000000001 # [ 33.686646] RBP: 00007fce01d67000 R08: 00007fce01d66010 R09: 0000000000000000 # [ 33.694904] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 33.703164] 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 # [ 33.799088] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 33.812079] lkdtm: attempting bad read from page above current stack # [ 33.819480] BUG: stack guard page was hit at 00000000e5e2b885 (stack is 00000000df5bfec8..0000000028dd8738) # [ 33.830664] <6>[ 36.616920] lkdtm: Performing direct entry EXEC_STACK <6>[ 36.623009] lkdtm: attempting ok execution at ffffffffa157e9c0 <6>[ 36.629823] lkdtm: attempting bad execution at ffffb1e20236fe18 <2>[ 36.636730] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 36.645385] BUG: unable to handle page fault for address: ffffb1e20236fe18 <1>[ 36.653356] #PF: supervisor instruction fetch in kernel mode <1>[ 36.659969] #PF: error_code(0x0011) - permissions violation ke[ 36.666481] PGD 100000067 P4D 100000067 PUD 100245067 PMD 1046d9067 PTE 8000000103f67063 <4>[ 36.682028] Oops: 0011 [#6] SMP PTI <4>[ 36.686203] CPU: 3 PID: 1610 Comm: cat Tainted: G D W 5.10.212-cip44 #1 <4>[ 36.695143] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 36.702238] RIP: 0010:0xffffb1e20236fe18 <4>[ 36.706896] Code: 00 00 18 fe 36 02 e2 b1 ff ff bd 66 c4 a1 ff ff ff ff 20 00 00 00 00 00 00 00 b6 a8 e1 a2 ff ff ff ff ec 67 c4 a1 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>[ 36.728167] RSP: 0018:ffffb1e20236fdf8 EFLAGS: 00010246 <4>[ 36.734292] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 36.742542] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffff9e25fad9bf50 <4>[ 36.750802] RBP: ffffb1e20236fe18 R08: 0000000000000000 R09: 0000000000000000 <4>[ 36.759062] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b <4>[ 36.767322] R13: ffffb1e20236ff10 R14: ffffb1e20236ff10 R15: ffff9e25859bc000 <4>[ 36.775581] FS: 00007fc4787af580(0000) GS:ffff9e25fad80000(0000) knlGS:0000000000000000 <4>[ 36.784909] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 36.791616] CR2: ffffb1e20236fe18 CR3: 0000000105b02004 CR4: 00000000003706e0 <4>[ 36.799875] Call Trace: <4>[ 36.802896] ? __die_body.cold+0x1a/0x1f <4>[ 36.807565] ? no_context+0x177/0x380 <4>[ 36.811945] ? exc_page_fault+0xd7/0x170 <4>[ 36.816613] ? asm_exc_page_fault+0x1e/0x30 <4>[ 36.821577] ? execute_location+0x45/0x56 <4>[ 36.826343] ? lkdtm_EXEC_STACK+0x26/0x44 <4>[ 36.831099] ? direct_entry.cold+0x2c/0x38 <4>[ 36.835962] ? full_proxy_write+0x53/0x80 <4>[ 36.840728] ? vfs_write+0xe7/0x3b0 <4>[ 36.844910] ? ksys_write+0x68/0xf0 <4>[ 36.849091] ? do_syscall_64+0x30/0x40 <4>[ 36.853566] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 837763] CPU: 2 PID: 1012 Comm: cat Tainted: G D W 5<4>[ 36.859683] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore <4>[ 36.918665] CR2: ffffb1e20236fe18 <4>[ 36.922653] ---[ end trace c17c1eb82cc650cb ]--- <4>[ 36.928090] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 36.932774] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 78 2a 03 .10.212-cip44 #1 # [ 33.852915] Hardware name: Google Rammus/<4>[ 36.954056] RSP: 0018:ffffb1e2013efe60 EFLAGS: 00010286 <4>[ 36.966392] RAX: ffffffffa157e5f0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 36.974669] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffffffffa29942b0 Rammus, BIOS 09/04/2020 # [ 33.860013] RIP: 0010:lkdtm_STACK<4>[ 36.982938] RBP: ffffffffa2e7f050 R08: 0000000000000001 R09: 0000000000000001 <4>[ 36.997410] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 37.005667] R13: ffffb1e2013eff10 R14: ffffb1e2013eff10 R15: ffff9e2583921000 <4>[ 37.013926] FS: 00007fc4787af580(0000) GS:ffff9e25fad80000(0000) knlGS:0000000000000000 <4>[ 37.023253] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 37.029959] CR2: ffffb1e20236fe18 CR3: 0000000105b02004 CR4: 00000000003706e0 _GUARD_PAGE_TRAILING+0x27/0x3d # [ 33.873128] Code: de fb ff 0f 1f 44 00 00 53 48 c7 c7 68 b0 e1 a2 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 e8 dd fb ff 48 c7 c7 a8 b0 e1 a2 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 cb dd fb ff # [ 33.894397] RSP: 0018:ffffb1e20199fe50 EFLAGS: 00010246 # [ 33.900520] RAX: 0000000000000038 RBX: ffffb1e20199c000 RCX: 0000000000000000 # [ 33.908780] RDX: 0000000000000000 RSI: ffff9e25fad1bf50 RDI: ffffffffa2e1b0a8 # [ 33.917039] RBP: ffffffffa2e1a773 R08: 0000000000000000 R09: 0000000000000000 # [ 33.925299] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 33.933558] R13: ffffb1e20199ff10 R14: ffffb1e20199ff10 R15: ffff9e25845bf000 # [ 33.941819] FS: 00007f78c25bf580(0000) GS:ffff9e25fad00000(0000) knlGS:0000000000000000 # [ 33.951146] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 33.957850] CR2: ffffb1e2019a0000 CR3: 0000000103c92005 CR4: 00000000003706e0 # [ 33.966108] Call Trace: # [ 33.969124<6>[ 37.136730] lkdtm: Performing direct entry EXEC_KMALLOC <6>[ 37.143854] lkdtm: attempting ok execution at ffffffffa157e9c0 ] <#DF> # [ 33.971657] ? __die_body.cold+0x1a/0x1f # [ 3<6>[ 37.150678] lkdtm: attempting bad execution at ffff9e2585358980 <2>[ 37.163814] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) 3.976333] ? die+0x2b/0x50 # [ 33.979835] ? handle_stack_ove<1>[ 37.172468] BUG: unable to handle page fault for address: ffff9e2585358980 <1>[ 37.186651] #PF: supervisor instruction fetch in kernel mode <1>[ 37.193251] #PF: error_code(0x0011) - permissions violation <6>[ 37.199762] PGD 23801067 P4D 23801067 PUD 10084d063 PMD 1058af063 PTE 8000000105358063 <4>[ 37.208899] Oops: 0011 [#7] SMP PTI <4>[ 37.213080] CPU: 3 PID: 1647 Comm: cat Tainted: G D W 5.10.212-cip44 #1 <4>[ 37.222020] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 37.229117] RIP: 0010:0xffff9e2585358980 <4>[ 37.233785] Code: 00 00 02 00 00 00 00 00 00 00 00 86 35 85 25 9e ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 cb f9 af a0 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 <4>[ 37.255055] RSP: 0018:ffffb1e2023ffe38 EFLAGS: 00010246 <4>[ 37.261179] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 37.269439] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffff9e25fad9bf50 <4>[ 37.277699] RBP: ffff9e2585358980 R08: 0000000000000000 R09: 0000000000000000 <4>[ 37.285959] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d <4>[ 37.294243] R13: ffffb1e2023fff10 R14: ffffb1e2023fff10 R15: ffff9e2584023000 <4>[ 37.302502] FS: 00007fd1ef097580(0000) GS:ffff9e25fad80000(0000) knlGS:0000000000000000 <4>[ 37.311828] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 37.318534] CR2: ffff9e2585358980 CR3: 0000000103e7e005 CR4: 00000000003706e0 <4>[ 37.326793] Call Trace: <4>[ 37.329812] ? __die_body.cold+0x1a/0x1f <4>[ 37.334480] ? no_context+0x177/0x380 <4>[ 37.338867] ? exc_page_fault+0xd7/0x170 rflow+0x3e/0x4d # [ 33.985076] ? no_context+0x24d/0x380 # [<4>[ 37.343545] ? asm_exc_page_fault+0x1e/0x30 33.989450] # [ 33.992076] Modules linked in: fuse <4>[ 37.354722] ? execute_location+0x45/0x56 <4>[ 37.365701] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 <4>[ 37.370659] ? direct_entry.cold+0x2c/0x38 <4>[ 37.375523] ? full_proxy_write+0x53/0x80 <4>[ 37.380288] ? vfs_write+0xe7/0x3b0 <4>[ 37.384470] ? ksys_write+0x68/0xf0 <4>[ 37.388644] ? do_syscall_64+0x30/0x40 <4>[ 37.393116] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core<4>[ 37.399242] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore <4>[ 37.458227] CR2: ffff9e2585358980 <4>[ 37.462215] ---[ end trace c17c1eb82cc650cc ]--- <4>[ 37.467659] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 37.472316] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 78 2a 03 <4>[ 37.493589] RSP: 0018:ffffb1e2013efe60 EFLAGS: 00010286 <4>[ 37.499716] RAX: ffffffffa157e5f0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 37.507977] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffffffffa29942b0 <4>[ 37.516238] RBP: ffffffffa2e7f050 R08: 0000000000000001 R09: 0000000000000001 <4>[ 37.524498] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 37.532758] R13: ffffb1e2013eff10 R14: ffffb1e2013eff10 R15: ffff9e2583921000 <4>[ 37.541018] FS: 00007fd1ef097580(0000) GS:ffff9e25fad80000(0000) knlGS:0000000000000000 <4>[ 37.550346] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 37.557052] CR2: ffff9e2585358980 CR3: 0000000103e7e005 CR4: 00000000003706e0 <3>[ 37.565311] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 37.575513] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1647, name: cat <4>[ 37.584259] INFO: lockdep is turned off. <4>[ 37.588927] irq event stamp: 0 <4>[ 37.592623] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 37.599904] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 37.609345] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 37.618771] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 37.626060] CPU: 3 PID: 1647 Comm: cat Tainted: G D W 5.10.212-cip44 #1 <4>[ 37.635000] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 37.642095] Call Trace: <4>[ 37.645115] dump_stack+0x77/0x9b <4>[ 37.649103] ___might_sleep.cold+0xa6/0xb6 <4>[ 37.653965] exit_signals+0x1c/0x300 <4>[ 37.658241] do_exit+0xc2/0xab0 <4>[ 37.662035] ? ksys_write+0x68/0xf0 <4>[ 37.666221] make_task_dead+0x2f/0x30 <4>[ 37.670598] rewind_stack_and_make_dead+0x17/0x20 <4>[ 37.676144] RIP: 0033:0x7fd1eefad473 <4>[ 37.680424] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 37.701690] RSP: 002b:00007ffffb95d3d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 37.710436] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007fd1eefad473 <4>[ 37.718696] RDX: 000000000000000d RSI: 00007fd1eeea1000 RDI: 0000000000000001 <4>[ 37.726955] RBP: 00007fd1eeea1000 R08: 00007fd1eeea0010 R09: 0000000000000000 <4>[ 37.735215] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 37.743475] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore # [ 34.051067] ---[ end trace c17c1eb82cc650c8 ]--- # [ 34.056511] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 34.061169] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 78 2a 03 # [ 34.082440] RSP: 0018:ffffb1e2013efe60 EFLAGS: 00010286 # [ 34.088555] RAX: ffffffffa157e5f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 34.096813] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffffffffa29942b0 # [ 34.105071] RBP: ffffffffa2e7f050 R08: 0000000000000001 R09: 0000000000000001 # [ 34.113330] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000<6>[ 37.860813] lkdtm: Performing direct entry EXEC_VMALLOC 4 # [ 34.121589] R13: ffffb1e2013eff10 R14: ffffb1e2013eff10 <6>[ 37.869806] lkdtm: attempting ok execution at ffffffffa157e9c0 R15: ffff9e2583921000 # [ 34.129849] FS: 00007f78c25bf580(00<6>[ 37.882842] lkdtm: attempting bad execution at ffffb1e200341000 00) GS:ffff9e25fad00000(0000) knlGS:0000000000000000 # [ 34.1<2>[ 37.895962] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 37.910785] BUG: unable to handle page fault for address: ffffb1e200341000 <1>[ 37.918752] #PF: supervisor instruction fetch in kernel mode <1>[ 37.925361] #PF: error_code(0x0011) - permissions violation <6>[ 37.931872] PGD 100000067 P4D 100000067 PUD 100245067 PMD 1009cc067 PTE 800000010530e063 <4>[ 37.941209] Oops: 0011 [#8] SMP PTI <4>[ 37.945391] CPU: 0 PID: 1684 Comm: cat Tainted: G D W 5.10.212-cip44 #1 <4>[ 37.954330] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 37.961427] RIP: 0010:0xffffb1e200341000 <4>[ 37.966094] Code: Unable to access opcode bytes at RIP 0xffffb1e200340fd6. <4>[ 37.974063] RSP: 0018:ffffb1e202477e38 EFLAGS: 00010246 <4>[ 37.980186] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 37.988467] RDX: 0000000000000000 RSI: ffff9e25fac1bf50 RDI: ffff9e25fac1bf50 <4>[ 37.996727] RBP: ffffb1e200341000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 38.004984] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d <4>[ 38.013242] R13: ffffb1e202477f10 R14: ffffb1e202477f10 R15: ffff9e258530e000 <4>[ 38.021503] FS: 00007fa1035ae580(0000) GS:ffff9e25fac00000(0000) knlGS:0000000000000000 <4>[ 38.030822] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 38.037527] CR2: ffffb1e200340fd6 CR3: 0000000106830001 CR4: 00000000003706f0 <4>[ 38.045785] Call Trace: <4>[ 38.048805] ? __die_body.cold+0x1a/0x1f <4>[ 38.053471] ? no_context+0x177/0x380 <4>[ 38.057848] ? exc_page_fault+0xd7/0x170 <4>[ 38.062522] ? asm_exc_page_fault+0x1e/0x30 <4>[ 38.067486] ? execute_location+0x45/0x56 <4>[ 38.072256] ? lkdtm_EXEC_VMALLOC+0x20/0x30 <4>[ 38.077213] ? direct_entry.cold+0x2c/0x38 <4>[ 38.082077] ? full_proxy_write+0x53/0x80 <4>[ 38.086848] ? vfs_write+0xe7/0x3b0 <4>[ 38.091021] ? ksys_write+0x68/0xf0 <4>[ 38.095203] ? do_syscall_64+0x30/0x40 <4>[ 38.099668] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 38.105786] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore <4>[ 38.158550] CR2: ffffb1e200341000 <4>[ 38.162538] ---[ end trace c17c1eb82cc650cd ]--- <4>[ 38.167973] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 38.172640] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 78 2a 03 <4>[ 38.193912] RSP: 0018:ffffb1e2013efe60 EFLAGS: 00010286 <4>[ 38.200057] RAX: ffffffffa157e5f0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 38.208316] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffffffffa29942b0 <4>[ 38.216575] RBP: ffffffffa2e7f050 R08: 0000000000000001 R09: 0000000000000001 <4>[ 38.224835] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 38.233097] R13: ffffb1e2013eff10 R14: ffffb1e2013eff10 R15: ffff9e2583921000 <4>[ 38.241356] FS: 00007fa1035ae580(0000) GS:ffff9e25fac00000(0000) knlGS:0000000000000000 <4>[ 38.250685] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 38.257389] CR2: ffffb1e200340fd6 CR3: 0000000106830001 CR4: 00000000003706f0 39177] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 34.145883] CR2: ffffb1e2019a0000 CR3: 0000000103c92005 CR4: 00000000003706e0 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 34.238252] lkdtm: Performing direct entry UNSET_SMEP # [ 34.247134] lkdtm: trying to clear SMEP normally # [ 34.252611] ------------[ cut here ]------------ # [ 34.264268] pinned CR4 bits changed: 0x100000!? # [ 34.269671] WARNING: CPU: 3 PID: 1049 at arch/x86/kernel/cpu/common.c:397 native_write_cr4+0x45/0x60 # [ 34.280176] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore # [ 34.339142] CPU: 3 PID: 1049 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 34.348110] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 34.355209] RIP: 0010:native_write_cr4+0x45/0x60 # [ 34.360658] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 6a 50 86 02 00 75 f2 48 c7 c7 70 81 d1 a2 c6 05 5a 50 86 02 01 e8 8d c2 13 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ 34.381941] RSP: 0018:ffffb1e201a27e48 EFLAGS: 00010286 # [ 34.394285] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 00000000<6>[ 38.432931] lkdtm: Performing direct entry EXEC_RODATA <6>[ 38.439535] lkdtm: attempting ok execution at ffffffffa157e9c0 <6>[ 38.446349] lkdtm: attempting bad execution at ffffffffa2994740 <2>[ 38.453254] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 38.461909] BUG: unable to handle page fault for address: ffffffffa2994740 <1>[ 38.469880] #PF: supervisor instruction fetch in kernel mode <1>[ 38.476480] #PF: error_code(0x0011) - permissions violation 00<000000 # [ 34.402548] RDX: ffff9e25fadac620 RSI: ffff9e25fa6>[ 38.482990] PGD 21e29067 P4D 21e29067 PUD 21e2a063 PMD 80000000216000e1 <4>[ 38.496983] Oops: 0011 [#9] SMP PTI <4>[ 38.501164] CPU: 2 PID: 1721 Comm: cat Tainted: G D W 5.10.212-cip44 #1 <4>[ 38.510103] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 38.517201] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 <4>[ 38.523229] Code: ff ff 5c 7c c4 a1 ff ff ff ff 02 ab e1 a2 ff ff ff ff a2 63 c4 a1 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>[ 38.544490] RSP: 0018:ffffb1e20250fe48 EFLAGS: 00010246 <4>[ 38.550614] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 <4>[ 38.558873] RDX: 0000000000000000 RSI: ffff9e25fad1bf50 RDI: ffff9e25fad1bf50 <4>[ 38.567131] RBP: ffffffffa2994740 R08: 0000000000000000 R09: 0000000000000000 <4>[ 38.575401] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c <4>[ 38.583661] R13: ffffb1e20250ff10 R14: ffffb1e20250ff10 R15: ffff9e258448c000 <4>[ 38.591920] FS: 00007f35c5c6f580(0000) GS:ffff9e25fad00000(0000) knlGS:0000000000000000 <4>[ 38.601247] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 38.607951] CR2: ffffffffa2994740 CR3: 0000000103f7e003 CR4: 00000000003706e0 <4>[ 38.616211] Call Trace: <4>[ 38.619231] ? __die_body.cold+0x1a/0x1f <4>[ 38.623901] ? no_context+0x177/0x380 <4>[ 38.628296] ? exc_page_fault+0xd7/0x170 <4>[ 38.632965] ? asm_exc_page_fault+0x1e/0x30 <4>[ 38.637929] ? execute_location+0x45/0x56 <4>[ 38.642694] ? direct_entry.cold+0x2c/0x38 <4>[ 38.647556] ? full_proxy_write+0x53/0x80 <4>[ 38.652313] ? vfs_write+0xe7/0x3b0 <4>[ 38.656496] ? ksys_write+0x68/0xf0 <4>[ 38.660670] ? do_syscall_64+0x30/0x40 <4>[ 38.665143] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 d9bf50 RDI: ffff9e25fad9bf50 # [ 34.410812] RBP: ffffffffa2e1<4>[ 38.671261] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore <4>[ 38.730245] CR2: ffffffffa2994740 <4>[ 38.734233] ---[ end trace c17c1eb82cc650ce ]--- <4>[ 38.739680] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 38.744348] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 78 2a 03 <4>[ 38.765618] RSP: 0018:ffffb1e2013efe60 EFLAGS: 00010286 <4>[ 38.771741] RAX: ffffffffa157e5f0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 38.780013] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffffffffa29942b0 <4>[ 38.788272] RBP: ffffffffa2e7f050 R08: 0000000000000001 R09: 0000000000000001 <4>[ 38.796532] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 38.804792] R13: ffffb1e2013eff10 R14: ffffb1e2013eff10 R15: ffff9e2583921000 <4>[ 38.813052] FS: 00007f35c5c6f580(0000) GS:ffff9e25fad00000(0000) knlGS:0000000000000000 <4>[ 38.822369] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 38.829074] CR2: ffffffffa2994740 CR3: 0000000103f7e003 CR4: 00000000003706e0 <3>[ 38.837335] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 38.847528] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1721, name: cat <4>[ 38.856274] INFO: lockdep is turned off. <4>[ 38.860939] irq event stamp: 0 <4>[ 38.864635] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 38.871924] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 38.881347] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 38.890771] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 38.898060] CPU: 2 PID: 1721 Comm: cat Tainted: G D W 5.10.212-cip44 #1 <4>[ 38.906990] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 38.914085] Call Trace: <4>[ 38.917103] dump_stack+0x77/0x9b <4>[ 38.921091] ___might_sleep.cold+0xa6/0xb6 <4>[ 38.925954] exit_signals+0x1c/0x300 <4>[ 38.930234] do_exit+0xc2/0xab0 <4>[ 38.934028] ? ksys_write+0x68/0xf0 <4>[ 38.938212] make_task_dead+0x2f/0x30 <4>[ 38.942590] rewind_stack_and_make_dead+0x17/0x20 <4>[ 38.948130] RIP: 0033:0x7f35c5b85473 <4>[ 38.952409] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 38.973681] RSP: 002b:00007ffd6e518f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 38.982418] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f35c5b85473 <4>[ 38.990678] RDX: 000000000000000c RSI: 00007f35c5a79000 RDI: 0000000000000001 <4>[ 38.998936] RBP: 00007f35c5a79000 R08: 00007f35c5a78010 R09: 0000000000000000 <4>[ 39.007195] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 39.015453] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 a78d R08: 0000000000000000 R09: 0000000000000000 # [ 34.419079] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 34.433555] R13: ffffb1e201a27f10 R14: ffffb1e201a27f10 R15: ffff9e2583f00000 # [ 34.448035] FS: 00007f5e3a66e580(0000) GS:ffff9e25fad80000(0000) knlGS:0000000000000000 # [ 34.463581] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 34.470293] CR2: 00007f5e3a478000 CR3: 000000010595c003 CR4: 00000000003706e0 # [ 34.478580] Call Trace: # [ 34.481625] ? __warn+0x80/0x110 # [ 34.491730] ? native_write_cr4+0x45/0x60 # [ 34.496530] ? report_bug+0x9e/0xc0 # [ 34.500743] ? handle_bug+0x41/0x90 # [ 34.504926] ? exc_invalid_op+0x14/0x70 # [ 34.509501] ? asm_exc_invalid_op+0x12/0x20 # [ 34.514509] ? native_write_cr4+0x45/0x60 # [ 34.519285] ? native_write_cr4+0x45/0x60 # [ 34.530263] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 34.535451] direct_entry.cold+0x2c/0x38 # [ 34.546336] full_proxy_write+0x53/0x80 # [ 34.550941] vfs_write+0xe7/0x3b0 # [ 34.554955] ksys_write+0x68/0xf0 # [ 34.558972] do_syscall_64+0x30/0x40 # [ 34.563279] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 34.569236] RIP: 0033:0x7f5e3a584473 # [ 34.573517] 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 # [ 34.594792] RSP: 002b:00007ffd3cfe2dc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 34.603543] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f5e3a584473 # [ 34.611805] RDX: 000000000000000b RSI: <6>[ 39.182635] lkdtm: Performing direct entry EXEC_USERSPACE <6>[ 39.191712] lkdtm: attempting ok execution at ffffffffa157e9c0 <6>[ 39.198558] lkdtm: attempting bad execution at 00007fadc28d4000 <2>[ 39.205500] unable to execute userspace code (SMEP?) (uid: 0) <1>[ 39.212219] BUG: unable to handle page fault for address: 00007fadc28d4000 00007f5e3a478000 RDI: 0000000000000001 # [ 34.620068] RBP: 00<1>[ 39.220191] #PF: supervisor instruction fetch in kernel mode <1>[ 39.233013] #PF: error_code(0x0011) - permissions violation <6>[ 39.239526] PGD 80000001043e4067 P4D 80000001043e4067 PUD 10321f067 PMD 105bd1067 PTE 10729d067 <4>[ 39.249538] Oops: 0011 [#10] SMP PTI <4>[ 39.253817] CPU: 3 PID: 1758 Comm: cat Tainted: G D W 5.10.212-cip44 #1 <4>[ 39.262756] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 39.269853] RIP: 0010:0x7fadc28d4000 <4>[ 39.274135] Code: Unable to access opcode bytes at RIP 0x7fadc28d3fd6. <4>[ 39.281714] RSP: 0018:ffffb1e20259fe50 EFLAGS: 00010246 <4>[ 39.287837] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 <4>[ 39.296104] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffff9e25fad9bf50 <4>[ 39.304363] RBP: 00007fadc28d4000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 39.312621] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f <4>[ 39.320881] R13: ffffb1e20259ff10 R14: ffffb1e20259ff10 R15: ffff9e2584783000 <4>[ 39.329141] FS: 00007fadc28a5580(0000) GS:ffff9e25fad80000(0000) knlGS:0000000000000000 <4>[ 39.338468] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 39.345172] CR2: 00007fadc28d4000 CR3: 0000000103e78004 CR4: 00000000003706e0 <4>[ 39.353431] Call Trace: <4>[ 39.356451] ? __die_body.cold+0x1a/0x1f <4>[ 39.361120] ? no_context+0x177/0x380 <4>[ 39.365489] ? exc_page_fault+0x53/0x170 <4>[ 39.370158] ? asm_exc_page_fault+0x1e/0x30 <4>[ 39.375121] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae <4>[ 39.380758] ? direct_entry.cold+0x2c/0x38 <4>[ 39.385621] ? full_proxy_write+0x53/0x80 <4>[ 39.390387] ? vfs_write+0xe7/0x3b0 <4>[ 39.394570] ? ksys_write+0x68/0xf0 <4>[ 39.398743] ? do_syscall_64+0x30/0x40 <4>[ 39.403208] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 007f5e3a478000 R08: 00007f5e3a477010 R09: 0000000000000000 # [ <4>[ 39.409335] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore <4>[ 39.468321] CR2: 00007fadc28d4000 <4>[ 39.472308] ---[ end trace c17c1eb82cc650cf ]--- <4>[ 39.477754] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 39.482422] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 78 2a 03 <4>[ 39.503701] RSP: 0018:ffffb1e2013efe60 EFLAGS: 00010286 <4>[ 39.509825] RAX: ffffffffa157e5f0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 39.518085] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffffffffa29942b0 <4>[ 39.526344] RBP: ffffffffa2e7f050 R08: 0000000000000001 R09: 0000000000000001 <4>[ 39.534603] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 39.542862] R13: ffffb1e2013eff10 R14: ffffb1e2013eff10 R15: ffff9e2583921000 <4>[ 39.551122] FS: 00007fadc28a5580(0000) GS:ffff9e25fad80000(0000) knlGS:0000000000000000 <4>[ 39.560440] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 39.567147] CR2: 00007fadc28d4000 CR3: 0000000103e78004 CR4: 00000000003706e0 34.628331] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 34.636595] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 34.644863] irq event stamp: 0 # [ 34.648587] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 34.662090] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 34.671520] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 34.680965] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 34.688268] ---[ end trace c17c1eb82cc650c9 ]--- # [ 34.699923] lkdtm: ok: SMEP did not get cleared # [ 34.705273] lkdtm: trying to clear SMEP with call gadget # [ 34.717714] lkdtm: ok: SMEP removal was reverted # UNSET_SMEP: saw 'pinned CR4 bits changed:': ok ok 14 selftests: lkdtm: UNSET_SMEP.sh # selftests: lkdtm: DOUBLE_FAULT.sh # [ 34.816492] lkdtm: Performing direct entry DOUBLE_FAULT # [ 34.828731] lkdtm: XFAIL: this test is ia32-only # DOUBLE_FAULT: saw 'XFAIL': [SKIP] ok 15 selftests: lkdtm: DOUBLE_FAULT.sh <6>[ 39.678449] lkdtm: Performing direct entry EXEC_NULL <6>[ 39.686939] lkdtm: attempting ok execution at ffffffffa157e9c0 # SKIP # selftests: lkdtm: CORRUPT_PAC.sh # [ 34.921687] lkd<6>[ 39.693751] lkdtm: attempting bad execution at 0000000000000000 tm: Performing direct entry CORRUPT_PAC # [ 34.933451] lkdtm:<1>[ 39.706882] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 39.721141] #PF: supervisor instruction fetch in kernel mode <1>[ 39.727753] #PF: error_code(0x0010) - not-present page <6>[ 39.733780] PGD 0 P4D 0 XFAIL: this test is arm64-only # CORRUPT_PAC: saw 'XFAIL': [SK<4>[ 39.736896] Oops: 0010 [#11] SMP PTI <4>[ 39.747388] CPU: 1 PID: 1795 Comm: cat Tainted: G D W 5.10.212-cip44 #1 <4>[ 39.756333] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 39.763430] RIP: 0010:0x0 <4>[ 39.766643] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. <4>[ 39.774613] RSP: 0018:ffffb1e202637e48 EFLAGS: 00010246 <4>[ 39.780729] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 <4>[ 39.788989] RDX: 0000000000000000 RSI: ffff9e25fac9bf50 RDI: ffff9e25fac9bf50 <4>[ 39.797249] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 39.805509] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 39.813769] R13: ffffb1e202637f10 R14: ffffb1e202637f10 R15: ffff9e2583270000 <4>[ 39.822029] FS: 00007f5db2614580(0000) GS:ffff9e25fac80000(0000) knlGS:0000000000000000 <4>[ 39.831357] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 39.838063] CR2: ffffffffffffffd6 CR3: 0000000103904006 CR4: 00000000003706e0 <4>[ 39.846324] Call Trace: <4>[ 39.849346] ? __die_body.cold+0x1a/0x1f IP] ok 16 selftests: lkdtm: CORRUPT_PAC.sh # SKIP # selftests:<4>[ 39.854016] ? no_context+0x177/0x380 <4>[ 39.864607] ? exc_page_fault+0x53/0x170 lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # [ 35.033447] lkdtm: P<4>[ 39.869278] ? asm_exc_page_fault+0x1e/0x30 erforming direct entry UNALIGNED_LOAD_STORE_WRITE # [ 35.0459<4>[ 39.880453] execute_location+0x45/0x56 <4>[ 39.891240] direct_entry.cold+0x2c/0x38 <4>[ 39.895899] full_proxy_write+0x53/0x80 29] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCES<4>[ 39.900473] vfs_write+0xe7/0x3b0 <4>[ 39.910673] ksys_write+0x68/0xf0 <4>[ 39.914653] do_syscall_64+0x30/0x40 <4>[ 39.918923] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 39.924853] RIP: 0033:0x7f5db252a473 <4>[ 39.929132] 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>[ 39.950407] RSP: 002b:00007ffd9c57a798 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 39.959152] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f5db252a473 <4>[ 39.967413] RDX: 000000000000000a RSI: 00007f5db241e000 RDI: 0000000000000001 <4>[ 39.975673] RBP: 00007f5db241e000 R08: 00007f5db241d010 R09: 0000000000000000 <4>[ 39.983926] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 39.992187] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 S # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP] ok 17 self<4>[ 40.000451] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore <4>[ 40.059405] CR2: 0000000000000000 <4>[ 40.063392] ---[ end trace c17c1eb82cc650d0 ]--- <4>[ 40.068837] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 40.073497] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 78 2a 03 <4>[ 40.094789] RSP: 0018:ffffb1e2013efe60 EFLAGS: 00010286 <4>[ 40.100914] RAX: ffffffffa157e5f0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 40.109175] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffffffffa29942b0 <4>[ 40.117434] RBP: ffffffffa2e7f050 R08: 0000000000000001 R09: 0000000000000001 <4>[ 40.125695] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 40.133953] R13: ffffb1e2013eff10 R14: ffffb1e2013eff10 R15: ffff9e2583921000 <4>[ 40.142212] FS: 00007f5db2614580(0000) GS:ffff9e25fac80000(0000) knlGS:0000000000000000 <4>[ 40.151540] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 40.158247] CR2: ffffffffffffffd6 CR3: 0000000103904006 CR4: 00000000003706e0 <3>[ 40.166506] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 40.176707] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1795, name: cat <4>[ 40.185453] INFO: lockdep is turned off. <4>[ 40.190119] irq event stamp: 0 <4>[ 40.193814] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 40.201103] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 40.210521] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 40.219947] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 40.227237] CPU: 1 PID: 1795 Comm: cat Tainted: G D W 5.10.212-cip44 #1 <4>[ 40.236176] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 40.243270] Call Trace: <4>[ 40.246289] dump_stack+0x77/0x9b tests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP # selftests:<4>[ 40.250279] ___might_sleep.cold+0xa6/0xb6 <4>[ 40.261352] exit_signals+0x1c/0x300 <4>[ 40.265634] do_exit+0xc2/0xab0 <4>[ 40.269428] ? ksys_write+0x68/0xf0 <4>[ 40.273603] make_task_dead+0x2f/0x30 <4>[ 40.277980] rewind_stack_and_make_dead+0x17/0x20 <4>[ 40.283520] RIP: 0033:0x7f5db252a473 <4>[ 40.287799] 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>[ 40.309071] RSP: 002b:00007ffd9c57a798 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 40.317816] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f5db252a473 <4>[ 40.326074] RDX: 000000000000000a RSI: 00007f5db241e000 RDI: 0000000000000001 <4>[ 40.334335] RBP: 00007f5db241e000 R08: 00007f5db241d010 R09: 0000000000000000 <4>[ 40.342595] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 40.350855] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 lkdtm: OVERWRITE_ALLOCATION.sh # Skipping OVERWRITE_ALLOCATION: Corrupts memory on failure ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP # selftests: lkdtm: WRITE_AFTER_FREE.sh # Skipping WRITE_AFTER_FREE: Corrupts memory on failure ok 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_AFTER_FREE.sh # [ 35.200530] lkdtm: Performing direct entry READ_AFTER_FREE # [ 35.209401] lkdtm: Value in memory before free: 12345678 # [ 35.215683] lkdtm: Attempting bad read from freed memory # [ 35.221923] lkdtm: Memory was not poisoned # READ_AFTER_FREE: missing 'call trace:': [FAIL] not ok 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1 # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on failure ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # [ 35.344405] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 35.351947] lkdtm: Value in memory before free: 12345678 # [ 35.358220] lkdtm: Attempting to read from freed memory # [ 35.364379] lkdtm: Buddy page was not poisoned # READ_BUDDY_AFTER_FREE: missing 'call trace:': [FAIL] not ok 22 <6>[ 40.474540] lkdtm: Performing direct entry ACCESS_USERSPACE <6>[ 40.483766] lkdtm: attempting bad read at 00007f2144eab000 selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # exit=1 # selftests<1>[ 40.490226] BUG: unable to handle page fault for address: 00007f2144eab000 : lkdtm: SLAB_FREE_DOUBLE.sh # [ 35.459756] lkdtm: Performing<1>[ 40.504402] #PF: supervisor read access in kernel mode <1>[ 40.516644] #PF: error_code(0x0001) - permissions violation d[ 40.523158] PGD 80000001039c9067 P4D 80000001039c9067 PUD 106193067 PMD 102bb8067 PTE 107284067 <4>[ 40.539386] Oops: 0001 [#12] SMP PTI <4>[ 40.543666] CPU: 3 PID: 1831 Comm: cat Tainted: G D W 5.10.212-cip44 #1 <4>[ 40.552607] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 40.559697] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 <4>[ 40.566209] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 20 b8 e1 a2 e8 5c d7 fb ff 48 c7 c7 48 b8 e1 a2 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 43 d7 fb ff 48 89 ee 48 c7 c7 70 b8 e1 <4>[ 40.587478] RSP: 0018:ffffb1e2026c7e48 EFLAGS: 00010246 <4>[ 40.593602] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 <4>[ 40.601861] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffffffffa2e1b848 <4>[ 40.610112] RBP: 00007f2144eab000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 40.618372] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 <4>[ 40.626632] R13: ffffb1e2026c7f10 R14: ffffb1e2026c7f10 R15: ffff9e25849a5000 <4>[ 40.634884] FS: 00007f2144e7c580(0000) GS:ffff9e25fad80000(0000) knlGS:0000000000000000 <4>[ 40.644210] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 40.650916] CR2: 00007f2144eab000 CR3: 000000010480a003 CR4: 00000000003706e0 <4>[ 40.659176] Call Trace: <4>[ 40.662195] ? __die_body.cold+0x1a/0x1f <4>[ 40.666865] ? no_context+0x177/0x380 <4>[ 40.671243] ? exc_page_fault+0x53/0x170 <4>[ 40.675913] ? asm_exc_page_fault+0x1e/0x30 <4>[ 40.680892] ? lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 <4>[ 40.686726] ? lkdtm_ACCESS_USERSPACE.cold+0x35/0xa3 <4>[ 40.692560] direct_entry.cold+0x2c/0x38 <4>[ 40.697230] full_proxy_write+0x53/0x80 <4>[ 40.701802] vfs_write+0xe7/0x3b0 <4>[ 40.705792] ksys_write+0x68/0xf0 <4>[ 40.709781] do_syscall_64+0x30/0x40 <4>[ 40.714061] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 40.719989] RIP: 0033:0x7f2144d92473 <4>[ 40.724268] 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>[ 40.745531] RSP: 002b:00007fff57cfe868 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 40.754273] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f2144d92473 <4>[ 40.762533] RDX: 0000000000000011 RSI: 00007f2144c86000 RDI: 0000000000000001 <4>[ 40.770806] RBP: 00007f2144c86000 R08: 00007f2144c85010 R09: 0000000000000000 <4>[ 40.779066] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 40.787325] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ng double slab free ... # SLAB_FREE_DOUBLE: missing 'call trace<4>[ 40.795590] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore <4>[ 40.854568] CR2: 00007f2144eab000 <4>[ 40.858556] ---[ end trace c17c1eb82cc650d1 ]--- <4>[ 40.863994] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 40.868662] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 78 2a 03 <4>[ 40.889933] RSP: 0018:ffffb1e2013efe60 EFLAGS: 00010286 <4>[ 40.896056] RAX: ffffffffa157e5f0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 40.904315] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffffffffa29942b0 <4>[ 40.912589] RBP: ffffffffa2e7f050 R08: 0000000000000001 R09: 0000000000000001 <4>[ 40.920853] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 40.929112] R13: ffffb1e2013eff10 R14: ffffb1e2013eff10 R15: ffff9e2583921000 <4>[ 40.937371] FS: 00007f2144e7c580(0000) GS:ffff9e25fad80000(0000) knlGS:0000000000000000 <4>[ 40.946699] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 40.953405] CR2: 00007f2144eab000 CR3: 000000010480a003 CR4: 00000000003706e0 :': [FAIL] not ok 23 selftests: lkdtm: SLAB_FREE_DOUBLE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_CROSS.sh # [ 35.577171] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 35.587199] lkdtm: Attempting cross-cache slab free ... # SLAB_FREE_CROSS: missing 'call trace:': [FAIL] not ok 24 selftests: lkdtm: SLAB_FREE_CROSS.sh # exit=1 # selftests: lkdtm: SLAB_FREE_PAGE.sh # [ 35.696705] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 35.705385] lkdtm: Attempting non-Slab slab free ... # SLAB_FREE_PAGE: missing 'call trace:': [FAIL] not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1 # selftests: lkdtm: SOFTLOCKUP.sh # Skipping SOFTLOCKUP: Hangs the system ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP # selftests: lkdtm: HARDLOCKUP.sh # Skipping HARDLOCKUP: Hangs the system ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP # selftests: lkdtm: SPINLOCKUP.sh # Skipping SPINLOCKUP: Hangs the system ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP # selftests: lkdtm: HUNG_TASK.sh # Skipping HUNG_TASK: Hangs the system ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP # selftests: lkdtm: EXEC_DATA.sh # Killed # [ 35.917<6>[ 41.072259] lkdtm: Performing direct entry ACCESS_NULL 900] lkdtm: Performing direct entry EXEC_DATA # [ 35.928409] <6>[ 41.079627] lkdtm: attempting bad read at 0000000000000000 lkdtm: attempting ok execution at ffffffffa157e9c0 # [ 35.935<1>[ 41.092269] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 41.106531] #PF: supervisor read access in kernel mode <1>[ 41.112557] #PF: error_code(0x0000) - not-present page <6>[ 41.118584] PGD 0 P4D 0 <4>[ 41.121700] Oops: 0000 [#13] SMP PTI <4>[ 41.125979] CPU: 0 PID: 1867 Comm: cat Tainted: G D W 5.10.212-cip44 #1 <4>[ 41.134918] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 41.142017] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 41.147565] Code: 00 d7 fb ff be 00 10 00 00 48 89 ef e8 79 10 0c ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 20 b8 e1 a2 e8 da d6 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 48 b8 e1 a2 48 01 <4>[ 41.168835] RSP: 0018:ffffb1e202757e58 EFLAGS: 00010246 <4>[ 41.174949] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 <4>[ 41.183207] RDX: 0000000000000000 RSI: ffff9e25fac1bf50 RDI: ffff9e25fac1bf50 <4>[ 41.191466] RBP: ffffffffa2e1a911 R08: 0000000000000000 R09: 0000000000000000 <4>[ 41.199725] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c <4>[ 41.207984] R13: ffffb1e202757f10 R14: ffffb1e202757f10 R15: ffff9e25869f6000 <4>[ 41.216244] FS: 00007f1604184580(0000) GS:ffff9e25fac00000(0000) knlGS:0000000000000000 <4>[ 41.225572] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 41.232277] CR2: 0000000000000000 CR3: 0000000103c84006 CR4: 00000000003706f0 <4>[ 41.240536] Call Trace: <4>[ 41.243556] ? __die_body.cold+0x1a/0x1f <4>[ 41.248231] ? no_context+0x177/0x380 <4>[ 41.252616] ? exc_page_fault+0x53/0x170 <4>[ 41.257290] ? asm_exc_page_fault+0x1e/0x30 <4>[ 41.262251] ? lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 41.267119] ? lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 41.271981] direct_entry.cold+0x2c/0x38 <4>[ 41.276642] full_proxy_write+0x53/0x80 <4>[ 41.281219] vfs_write+0xe7/0x3b0 <4>[ 41.285213] ksys_write+0x68/0xf0 <4>[ 41.289202] do_syscall_64+0x30/0x40 <4>[ 41.293481] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 41.299404] RIP: 0033:0x7f160409a473 <4>[ 41.303684] 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>[ 41.324955] RSP: 002b:00007ffdcc7a8b68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 41.333701] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f160409a473 <4>[ 41.341959] RDX: 000000000000000c RSI: 00007f1603f8e000 RDI: 0000000000000001 <4>[ 41.350218] RBP: 00007f1603f8e000 R08: 00007f1603f8d010 R09: 0000000000000000 <4>[ 41.358479] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 41.366737] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 41.375001] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore <4>[ 41.427765] CR2: 0000000000000000 <4>[ 41.431754] ---[ end trace c17c1eb82cc650d2 ]--- <4>[ 41.437192] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 41.441860] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 78 2a 03 <4>[ 41.463123] RSP: 0018:ffffb1e2013efe60 EFLAGS: 00010286 <4>[ 41.469238] RAX: ffffffffa157e5f0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 41.477496] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffffffffa29942b0 <4>[ 41.485747] RBP: ffffffffa2e7f050 R08: 0000000000000001 R09: 0000000000000001 <4>[ 41.494006] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 41.502266] R13: ffffb1e2013eff10 R14: ffffb1e2013eff10 R15: ffff9e2583921000 <4>[ 41.510525] FS: 00007f1604184580(0000) GS:ffff9e25fac00000(0000) knlGS:0000000000000000 <4>[ 41.519852] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 41.526559] CR2: 0000000000000000 CR3: 0000000103c84006 CR4: 00000000003706f0 <3>[ 41.534817] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 41.545021] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1867, name: cat <4>[ 41.553755] INFO: lockdep is turned off. <4>[ 41.558421] irq event stamp: 0 <4>[ 41.562118] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 41.569406] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 41.578831] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 41.588255] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 41.595546] CPU: 0 PID: 1867 Comm: cat Tainted: G D W 5.10.212-cip44 #1 <4>[ 41.604484] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 41.611578] Call Trace: <4>[ 41.614596] dump_stack+0x77/0x9b <4>[ 41.618592] ___might_sleep.cold+0xa6/0xb6 <4>[ 41.623457] exit_signals+0x1c/0x300 <4>[ 41.627742] do_exit+0xc2/0xab0 <4>[ 41.631537] ? ksys_write+0x68/0xf0 <4>[ 41.635711] make_task_dead+0x2f/0x30 <4>[ 41.640088] rewind_stack_and_make_dead+0x17/0x20 <4>[ 41.645620] RIP: 0033:0x7f160409a473 <4>[ 41.649900] 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>[ 41.671161] RSP: 002b:00007ffdcc7a8b68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 41.679907] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f160409a473 <4>[ 41.688165] RDX: 000000000000000c RSI: 00007f1603f8e000 RDI: 0000000000000001 <4>[ 41.696425] RBP: 00007f1603f8e000 R08: 00007f1603f8d010 R09: 0000000000000000 <4>[ 41.704676] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 41.712935] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 247] lkdtm: attempting bad execution at ffffffffa4825e40 # [ 35.942155] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 35.950829] BUG: unable to handle page fault for address: ffffffffa4825e40 # [ 35.965013] #PF: supervisor instruction fetch in kernel mode # [ 35.971624] #PF: error_code(0x0011) - permissions violation # [ 35.978153] PGD 21e29067 P4D 21e29067 PUD 21e2a063 PMD 80000000236000e3 # [ 35.985939] Oops: 0011 [#5] SMP PTI # [ 35.996332] CPU: 3 PID: 1573 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 36.005273] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 36.012370] RIP: 0010:data_area+0x0/0x40 # [ 36.017053] Code: ff ff 00 52 d0 84 25 9e ff ff 00 51 d0 84 25 9e ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 36.038323] RSP: 0018:ffffb1e2022bfe48 EFLAGS: 00010246 # [ 36.044448] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 36.052708] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffff9e25fad9bf50 # [ 36.060966] RBP: ffffffffa4825e40 R08: 0000000000000000 R09: 0000000000000000 # [ 36.069226] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 36.077485] R13: ffffb1e2022bff10 R14: ffffb1e2022bff10 R15: ffff9e258256a000 # [ 36.085745] FS: 00007fb66c736580(0000) GS:ffff9e25fad80000(0000) knlGS:0000000000000000 # [ 36.095072] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 36.101777] CR2: ffffffffa4825e40 CR3: 0000000104738006 CR4: 00000000003706e0 # [ 36.110037] Call Trac<6>[ 41.876967] lkdtm: Performing direct entry WRITE_RO <6>[ 41.888543] lkdtm: attempting bad rodata write at ffffffffa2994730 <1>[ 41.895766] BUG: unable to handle page fault for address: ffffffffa2994730 <1>[ 41.903739] #PF: supervisor write access in kernel mode <1>[ 41.909865] #PF: error_code(0x0003) - permissions violation <6>[ 41.916376] PGD 21e29067 P4D 21e29067 PUD 21e2a063 PMD 80000000216000e1 e: # [ 36.113056] ? __die_body.cold+0x1a/0x1f # [ 36.1177<4>[ 41.924155] Oops: 0003 [#14] SMP PTI <4>[ 41.934647] CPU: 2 PID: 1903 Comm: cat Tainted: G D W 5.10.212-cip44 #1 <4>[ 41.943588] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 24<] ? no_context+0x177/0x380 # [ 36.122094] ? exc_page_faul4>[ 41.950679] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a <4>[ 41.962145] Code: 00 48 c7 c7 00 b7 e1 a2 48 c7 c6 30 47 99 a2 e8 84 d9 fb ff 48 8b 05 43 e0 d4 00 ba 34 12 cd ab 48 c7 c7 30 b7 e1 a2 48 31 d0 <48> 89 05 2d e0 d4 00 e9 62 d9 fb ff 0f 1f 44 00 00 48 8b 05 3c ac <4>[ 41.983418] RSP: 0018:ffffb1e20280fe60 EFLAGS: 00010202 <4>[ 41.989542] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 <4>[ 41.997802] RDX: 00000000abcd1234 RSI: ffff9e25fad1bf50 RDI: ffffffffa2e1b730 <4>[ 42.006061] RBP: ffffffffa2e1a91d R08: 0000000000000000 R09: 0000000000000000 <4>[ 42.014321] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 <4>[ 42.022581] R13: ffffb1e20280ff10 R14: ffffb1e20280ff10 R15: ffff9e2585953000 <4>[ 42.030842] FS: 00007f6cc7d69580(0000) GS:ffff9e25fad00000(0000) knlGS:0000000000000000 <4>[ 42.040170] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 42.046875] CR2: ffffffffa2994730 CR3: 00000001044de004 CR4: 00000000003706e0 <4>[ 42.055138] Call Trace: <4>[ 42.058158] ? __die_body.cold+0x1a/0x1f <4>[ 42.062828] ? no_context+0x177/0x380 <4>[ 42.067208] ? exc_page_fault+0xd7/0x170 <4>[ 42.071876] ? asm_exc_page_fault+0x1e/0x30 <4>[ 42.076829] ? lkdtm_WRITE_RO+0x2e/0x3a <4>[ 42.081401] direct_entry.cold+0x2c/0x38 <4>[ 42.086071] full_proxy_write+0x53/0x80 <4>[ 42.090643] vfs_write+0xe7/0x3b0 <4>[ 42.094631] ksys_write+0x68/0xf0 <4>[ 42.098619] do_syscall_64+0x30/0x40 <4>[ 42.102889] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 42.108819] RIP: 0033:0x7f6cc7c7f473 <4>[ 42.113098] 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>[ 42.134369] RSP: 002b:00007ffeec405178 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 42.143114] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f6cc7c7f473 <4>[ 42.151375] RDX: 0000000000000009 RSI: 00007f6cc7b73000 RDI: 0000000000000001 <4>[ 42.159633] RBP: 00007f6cc7b73000 R08: 00007f6cc7b72010 R09: 0000000000000000 <4>[ 42.167894] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 42.176152] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 t+0xd7/0x170 # [ 36.126780] ? asm_exc_page_fault+0x1e/0x30 <4>[ 42.184414] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore <4>[ 42.243401] CR2: ffffffffa2994730 <4>[ 42.247380] ---[ end trace c17c1eb82cc650d3 ]--- <4>[ 42.252825] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 42.257493] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 78 2a 03 <4>[ 42.278764] RSP: 0018:ffffb1e2013efe60 EFLAGS: 00010286 <4>[ 42.284887] RAX: ffffffffa157e5f0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 42.293147] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffffffffa29942b0 <4>[ 42.301407] RBP: ffffffffa2e7f050 R08: 0000000000000001 R09: 0000000000000001 <4>[ 42.309667] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 42.317927] R13: ffffb1e2013eff10 R14: ffffb1e2013eff10 R15: ffff9e2583921000 <4>[ 42.326187] FS: 00007f6cc7d69580(0000) GS:ffff9e25fad00000(0000) knlGS:0000000000000000 <4>[ 42.335515] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 42.342221] CR2: ffffffffa2994730 CR3: 00000001044de004 CR4: 00000000003706e0 # [ 36.131763] ? execute_location+0x45/0x56 # [ 36.136529] ? direct_entry.cold+0x2c/0x38 # [ 36.141391] ? full_proxy_write+0x53/0x80 # [ 36.146157] ? vfs_write+0xe7/0x3b0 # [ 36.150330] ? ksys_write+0x68/0xf0 # [ 36.154513] ? do_syscall_64+0x30/0x40 # [ 36.158986] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 36.165112] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore # [ 36.224097] CR2: ffffffffa4825e40 # [ 36.228074] ---[ end trace c17c1eb82cc650ca ]--- # [ 36.233521] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 36.238189] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 78 2a 03 # [ 36.259459] RSP: 0018:ffffb1e2013efe60 EFLAGS: 00010286 # [ 36.265584] RAX: ffffffffa157e5f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 36.273844] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffffffffa29942b0 # [ 36.282103] RBP: ffffffffa2e7f050 R08: 0000000000000001 R09: 0000000000000001 # [ 36.290379] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 36.298639] R13: ffffb1e2013eff10 R14: ffffb1e2013eff10 R15: ffff9e2583921000 # [ 36.306900] FS: 00007fb66c736580(0000) GS:ffff9e25fad80000(0000) knlGS:0000000000000000 # [ 36.316219] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 36.322924] CR2: ffffffffa4825e4<6>[ 42.531097] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT <6>[ 42.543801] lkdtm: attempting bad ro_after_init write at ffffffffa2ea1350 <1>[ 42.551733] BUG: unable to handle page fault for address: ffffffffa2ea1350 0 CR3: 0000000104738006 CR4: 00000000003706e0 # [ 36.331185] <1>[ 42.559712] #PF: supervisor write access in kernel mode <1>[ 42.572049] #PF: error_code(0x0003) - permissions violation <6>[ 42.578562] PGD 21e29067 P4D 21e29067 PUD 21e2a063 PMD 104ec0063 PTE 8000000021ca1061 <4>[ 42.587603] Oops: 0003 [#15] SMP PTI <4>[ 42.591873] CPU: 2 PID: 1939 Comm: cat Tainted: G D W 5.10.212-cip44 #1 <4>[ 42.600813] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 42.607912] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a <4>[ 42.614231] Code: b7 e1 a2 e9 36 d9 fb ff 48 c7 c7 88 b7 e1 a2 e8 2a d9 fb ff 48 8b 05 09 ac 25 01 ba 34 12 cd ab 48 c7 c7 30 b7 e1 a2 48 31 d0 <48> 89 05 f3 ab 25 01 e9 08 d9 fb ff 0f 1f 44 00 00 41 54 48 c7 c7 <4>[ 42.635503] RSP: 0018:ffffb1e202877e60 EFLAGS: 00010202 <4>[ 42.641626] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 <4>[ 42.649887] RDX: 00000000abcd1234 RSI: ffff9e25fad1bf50 RDI: ffffffffa2e1b730 <4>[ 42.658146] RBP: ffffffffa2e1a926 R08: 0000000000000000 R09: 0000000000000000 <4>[ 42.666406] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 <4>[ 42.674667] R13: ffffb1e202877f10 R14: ffffb1e202877f10 R15: ffff9e2584139000 <4>[ 42.682927] FS: 00007f314019a580(0000) GS:ffff9e25fad00000(0000) knlGS:0000000000000000 <4>[ 42.692254] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 42.698963] CR2: ffffffffa2ea1350 CR3: 00000001045f8005 CR4: 00000000003706e0 <4>[ 42.707222] Call Trace: <4>[ 42.710242] ? __die_body.cold+0x1a/0x1f <4>[ 42.714911] ? no_context+0x177/0x380 <4>[ 42.719290] ? exc_page_fault+0xd7/0x170 <4>[ 42.723960] ? asm_exc_page_fault+0x1e/0x30 <4>[ 42.728921] ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a <4>[ 42.734562] direct_entry.cold+0x2c/0x38 <4>[ 42.739230] full_proxy_write+0x53/0x80 <4>[ 42.743804] vfs_write+0xe7/0x3b0 <4>[ 42.747792] ksys_write+0x68/0xf0 <4>[ 42.751780] do_syscall_64+0x30/0x40 <4>[ 42.756060] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 42.761982] RIP: 0033:0x7f31400b0473 <4>[ 42.766260] 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>[ 42.787533] RSP: 002b:00007ffe2b4bf8c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 42.796280] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f31400b0473 <4>[ 42.804539] RDX: 0000000000000014 RSI: 00007f313ffa4000 RDI: 0000000000000001 <4>[ 42.812798] RBP: 00007f313ffa4000 R08: 00007f313ffa3010 R09: 0000000000000000 <4>[ 42.821058] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 42.829320] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 BUG: sleeping function called from invalid context at include/li<4>[ 42.837582] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore <4>[ 42.896571] CR2: ffffffffa2ea1350 <4>[ 42.900558] ---[ end trace c17c1eb82cc650d4 ]--- <4>[ 42.906003] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 42.910671] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 78 2a 03 <4>[ 42.931944] RSP: 0018:ffffb1e2013efe60 EFLAGS: 00010286 <4>[ 42.938067] RAX: ffffffffa157e5f0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 42.946326] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffffffffa29942b0 <4>[ 42.954602] RBP: ffffffffa2e7f050 R08: 0000000000000001 R09: 0000000000000001 <4>[ 42.962862] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 42.971123] R13: ffffb1e2013eff10 R14: ffffb1e2013eff10 R15: ffff9e2583921000 <4>[ 42.979385] FS: 00007f314019a580(0000) GS:ffff9e25fad00000(0000) knlGS:0000000000000000 <4>[ 42.988714] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 42.995418] CR2: ffffffffa2ea1350 CR3: 00000001045f8005 CR4: 00000000003706e0 <3>[ 43.003678] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 43.013882] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1939, name: cat <4>[ 43.022628] INFO: lockdep is turned off. <4>[ 43.027295] irq event stamp: 0 <4>[ 43.031003] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 43.038294] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 43.047720] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 43.057145] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 43.064434] CPU: 2 PID: 1939 Comm: cat Tainted: G D W 5.10.212-cip44 #1 <4>[ 43.073374] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 43.080470] Call Trace: <4>[ 43.083489] dump_stack+0x77/0x9b <4>[ 43.087477] ___might_sleep.cold+0xa6/0xb6 <4>[ 43.092342] exit_signals+0x1c/0x300 <4>[ 43.096621] do_exit+0xc2/0xab0 <4>[ 43.100416] ? ksys_write+0x68/0xf0 <4>[ 43.104588] make_task_dead+0x2f/0x30 <4>[ 43.108984] rewind_stack_and_make_dead+0x17/0x20 <4>[ 43.114543] RIP: 0033:0x7f31400b0473 <4>[ 43.118825] 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>[ 43.140090] RSP: 002b:00007ffe2b4bf8c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 43.148838] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f31400b0473 <4>[ 43.157100] RDX: 0000000000000014 RSI: 00007f313ffa4000 RDI: 0000000000000001 <4>[ 43.165359] RBP: 00007f313ffa4000 R08: 00007f313ffa3010 R09: 0000000000000000 <4>[ 43.173620] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 43.181882] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 nux/percpu-rwsem.h:49 # [ 36.341387] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1573, name: cat # [ 36.350132] INFO: lockdep is turned off. # [ 36.354797] irq event stamp: 0 # [ 36.358492] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 36.365780] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 36.375212] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 36.384637] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 36.391925] CPU: 3 PID: 1573 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 36.400863] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 36.407956] Call Trace: # [ 36.410973] dump_stack+0x77/0x9b # [ 36.414953] ___might_sleep.cold+0xa6/0xb6 # [ 36.419808] exit_signals+0x1c/0x300 # [ 36.424097] do_exit+0xc2/0xab0 # [ 36.427891] ? ksys_write+0x68/0xf0 # [ 36.432078] make_task_dead+0x2f/0x30 # [ 36.436454] rewind_stack_and_make_dead+0x17/0x20 # [ 36.442000] RIP: 0033:0x7fb66c64c473 # [ 36.446279] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 36.467551] RSP: 002b:00007ffeb063ed98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 36.476296] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fb66c64c473 # [ 36.484555] RDX: 000000000000000a RSI: 00007fb66c540000 <6>[ 43.338283] lkdtm: Performing direct entry WRITE_KERN <6>[ 43.345314] lkdtm: attempting bad 7109799 byte write at ffffffffa1c46667 <1>[ 43.353131] BUG: unable to handle page fault for address: ffffffffa1c46667 <1>[ 43.361111] #PF: supervisor write access in kernel mode <1>[ 43.367238] #PF: error_code(0x0003) - permissions violation RDI<: 0000000000000001 # [ 36.492812] RBP: 00007fb66c540000 R06>[ 43.373750] PGD 21e29067 P4D 21e29067 PUD 21e2a063 PMD 20a000e1 <4>[ 43.386969] Oops: 0003 [#16] SMP PTI <4>[ 43.391252] CPU: 2 PID: 1975 Comm: cat Tainted: G D W 5.10.212-cip44 #1 <4>[ 43.400194] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 8: <00007fb66c53f010 R09: 0000000000000000 # [ 36.501072] R10:4>[ 43.407293] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e <4>[ 43.418955] Code: 53 48 c7 c3 67 66 c4 a1 49 89 dc 48 89 da 49 81 ec c0 e9 57 a1 4c 89 e6 e8 dd d8 fb ff 48 89 df 4c 89 e1 48 c7 c6 c0 e9 57 a1 a4 48 c7 c7 30 b7 e1 a2 e8 c2 d8 fb ff 5b 41 5c e9 b7 fe ff ff <4>[ 43.440228] RSP: 0018:ffffb1e202907e50 EFLAGS: 00010246 <4>[ 43.446353] RAX: 000000000000003c RBX: ffffffffa1c46667 RCX: 00000000006c7ca7 <4>[ 43.454613] RDX: 0000000000000000 RSI: ffffffffa157e9c0 RDI: ffffffffa1c46667 <4>[ 43.462874] RBP: ffffffffa2e1a93a R08: 0000000000000000 R09: 0000000000000000 <4>[ 43.471135] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000006c7ca7 <4>[ 43.479394] R13: ffffb1e202907f10 R14: ffffb1e202907f10 R15: ffff9e2583245000 <4>[ 43.487653] FS: 00007f5655a68580(0000) GS:ffff9e25fad00000(0000) knlGS:0000000000000000 <4>[ 43.496982] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 43.503689] CR2: ffffffffa1c46667 CR3: 0000000105b02002 CR4: 00000000003706e0 <4>[ 43.511948] Call Trace: <4>[ 43.514968] ? __die_body.cold+0x1a/0x1f <4>[ 43.519639] ? no_context+0x177/0x380 <4>[ 43.524018] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 43.529754] ? exc_page_fault+0xd7/0x170 <4>[ 43.534425] ? asm_exc_page_fault+0x1e/0x30 <4>[ 43.539386] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 43.545124] ? lkdtm_SLAB_FREE_PAGE+0x40/0x40 <4>[ 43.550276] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 43.556012] ? lkdtm_WRITE_KERN+0x38/0x4e <4>[ 43.560778] direct_entry.cold+0x2c/0x38 <4>[ 43.565448] full_proxy_write+0x53/0x80 <4>[ 43.570020] vfs_write+0xe7/0x3b0 <4>[ 43.574009] ksys_write+0x68/0xf0 <4>[ 43.577987] do_syscall_64+0x30/0x40 <4>[ 43.582267] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 43.588199] RIP: 0033:0x7f565597e473 <4>[ 43.592479] 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>[ 43.613742] RSP: 002b:00007fff378fe938 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 43.622488] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f565597e473 <4>[ 43.630747] RDX: 000000000000000b RSI: 00007f5655872000 RDI: 0000000000000001 <4>[ 43.639008] RBP: 00007f5655872000 R08: 00007f5655871010 R09: 0000000000000000 <4>[ 43.647267] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 43.655525] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 #<4>[ 43.663788] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore <4>[ 43.722775] CR2: ffffffffa1c46667 <4>[ 43.726762] ---[ end trace c17c1eb82cc650d5 ]--- <4>[ 43.732205] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 43.736871] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 78 2a 03 <4>[ 43.758141] RSP: 0018:ffffb1e2013efe60 EFLAGS: 00010286 <4>[ 43.764289] RAX: ffffffffa157e5f0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 43.772548] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffffffffa29942b0 <4>[ 43.780808] RBP: ffffffffa2e7f050 R08: 0000000000000001 R09: 0000000000000001 <4>[ 43.789067] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 43.797326] R13: ffffb1e2013eff10 R14: ffffb1e2013eff10 R15: ffff9e2583921000 <4>[ 43.805586] FS: 00007f5655a68580(0000) GS:ffff9e25fad00000(0000) knlGS:0000000000000000 <4>[ 43.814913] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 43.821619] CR2: ffffffffa1c46667 CR3: 0000000105b02002 CR4: 00000000003706e0 [ 36.509330] 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 # [ 36.616920] lkdtm: Performing direct entry EXEC_STACK # [ 36.623009] lkdtm: attempting ok execution at ffffffffa157e9c0 # [ 36.629823] lkdtm: attempting bad execution at ffffb1e20236fe18 # [ 36.636730] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 36.645385] BUG: unable to handle page fault for address: ffffb1e20236fe18 # [ 36.653356] #PF: supervisor instruction fetch in kernel mode # [ 36.659969] #PF: error_code(0x0011) - permissions violation # [ 36.666481] PGD 100000067 P4D 100000067 PUD 100245067 PMD 1046d9067 PTE 8000000103f67063 # [ 36.682028] Oops: 0011 [#6] SMP PTI # [ 36.686203] CPU: 3 PID: 1610 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 36.695143] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 36.702238] RIP: 0010:0xffffb1e20236fe18 # [ 36.706896] Code: 00 00 18 fe 36 02 e2 b1 ff ff bd 66 c4 a1 ff ff ff ff 20 00 00 00 00 00 00 00 b6 a8 e1 a2 ff ff ff ff ec 67 c4 a1 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 # [ 36.728<6>[ 43.952737] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW 167] RSP: 0018:ffffb1e20236fdf8 EFLAGS: 00010246 # [ 36.73429<6>[ 43.961251] lkdtm: attempting good refcount_inc() without overflow 2] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 000000000000<6>[ 43.974671] lkdtm: attempting bad refcount_inc() overflow 0000 # [ 36.742542] RDX: 0000000000000000 RSI: ffff9e25fad9bf<4>[ 43.987200] ------------[ cut here ]------------ <4>[ 43.998862] refcount_t: saturated; leaking memory. 50 RDI: ffff9e25fad9bf50 # [ 36.750802] RBP: ffffb1e20236fe18<4>[ 44.004535] WARNING: CPU: 1 PID: 2011 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 R08: 0000000000000000 R09: 0000000000000000 # [ 36.759062] R<4>[ 44.020433] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore 10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b<4>[ 44.079416] CPU: 1 PID: 2011 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 36.767322] R13: ffffb1e20236ff10 R14: ffffb1e20236ff10 R<4>[ 44.094574] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 15: ffff9e25859bc000 # [ 36.775581] FS: 00007fc4787af580(000<4>[ 44.107920] RIP: 0010:refcount_warn_saturate+0x51/0x110 0) GS:ffff9e25fad80000(0000) knlGS:0000000000000000 # [ 36.78<4>[ 44.120259] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 4b cd 36 02 00 75 ee 48 c7 c7 a0 53 d7 a2 c6 05 3b cd 36 02 01 e8 81 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d 27 cd 36 02 00 75 cb 48 c7 c7 c8 53 d7 4909] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 3<4>[ 44.147756] RSP: 0018:ffffb1e20297fe48 EFLAGS: 00010286 <4>[ 44.160095] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 6.791616] CR2: ffffb1e20236fe18 CR3: 0000000105b02004 CR4: 00000<4>[ 44.168359] RDX: ffff9e25facac620 RSI: ffff9e25fac9bf50 RDI: ffff9e25fac9bf50 <4>[ 44.182831] RBP: ffffffffa2e1a945 R08: 0000000000000000 R09: 0000000000000000 000003706e0 # [ 36.799875] Call Trace: # [ 36.802896] ? _<4>[ 44.191118] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 _die_body.cold+0x1a/0x1f # [ 36.807565] ? no_context+0x177/0<4>[ 44.205570] R13: ffffb1e20297ff10 R14: ffffb1e20297ff10 R15: ffff9e25869a4000 <4>[ 44.220048] FS: 00007fe8d2e4d580(0000) GS:ffff9e25fac80000(0000) knlGS:0000000000000000 x380 # [ 36.811945] ? exc_page_fault+0xd7/0x170 # [ 36.81<4>[ 44.229379] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 44.242300] CR2: 00007fe8d2c57000 CR3: 0000000105a38002 CR4: 00000000003706e0 6613] ? asm_exc_page_fault+0x1e/0x30 # [ 36.821577] ? execu<4>[ 44.250562] Call Trace: te_location+0x45/0x56 # [ 36.826343] ? lkdtm_EXEC_STACK+0x26<4>[ 44.259814] ? __warn+0x80/0x110 <4>[ 44.269903] ? refcount_warn_saturate+0x51/0x110 /0x44 # [ 36.831099] ? direct_entry.cold+0x2c/0x38 # [ 36<4>[ 44.275354] ? report_bug+0x9e/0xc0 .835962] ? full_proxy_write+0x53/0x80 # [ 36.840728] ? vfs_<4>[ 44.285750] ? handle_bug+0x41/0x90 <4>[ 44.296150] ? exc_invalid_op+0x14/0x70 write+0xe7/0x3b0 # [ 36.844910] ? ksys_write+0x68/0xf0 # [ <4>[ 44.300727] ? asm_exc_invalid_op+0x12/0x20 36.849091] ? do_syscall_64+0x30/0x40 # [ 36.853566] ? ent<4>[ 44.311902] ? refcount_warn_saturate+0x51/0x110 <4>[ 44.323561] ? refcount_warn_saturate+0x51/0x110 ry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 36.859683] Modules <4>[ 44.329011] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros<4>[ 44.340862] direct_entry.cold+0x2c/0x38 _ec_sensors_core industrialio_triggered_buffer kfifo_buf industr<4>[ 44.351767] full_proxy_write+0x53/0x80 ialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightb<4>[ 44.362556] vfs_write+0xe7/0x3b0 ar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l<4>[ 44.372764] ksys_write+0x68/0xf0 <4>[ 44.382970] do_syscall_64+0x30/0x40 2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros<4>[ 44.387278] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 44.399420] RIP: 0033:0x7fe8d2d63473 _ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd<4>[ 44.403702] 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 _soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros<4>[ 44.431188] RSP: 002b:00007ffc893be998 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 44.446150] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fe8d2d63473 _usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pst<4>[ 44.454415] RDX: 0000000000000016 RSI: 00007fe8d2c57000 RDI: 0000000000000001 <4>[ 44.468889] RBP: 00007fe8d2c57000 R08: 00007fe8d2c56010 R09: 0000000000000000 <4>[ 44.477152] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 ore # [ 36.918665] CR2: ffffb1e20236fe18 # [ 36.922653] --<4>[ 44.485416] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 -[ end trace c17c1eb82cc650cb ]--- # [ 36.928090] RIP: 0010:l<4>[ 44.499894] irq event stamp: 0 <4>[ 44.509806] hardirqs last enabled at (0): [<0000000000000000>] 0x0 kdtm_BUG+0x5/0x10 # [ 36.932774] Code: 89 ff e8 4e c3 79 ff 4<4>[ 44.517102] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 8 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48<4>[ 44.532743] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 44.548386] softirqs last disabled at (0): [<0000000000000000>] 0x0 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 0<4>[ 44.555679] ---[ end trace c17c1eb82cc650d6 ]--- <6>[ 44.567337] lkdtm: Overflow detected: saturated 0 00 00 00 0f 1f 44 00 00 83 05 00 78 2a 03 # [ 36.954056] RSP: 0018:ffffb1e2013efe60 EFLAGS: 00010286 # [ 36.966392] RAX: ffffffffa157e5f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 36.974669] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffffffffa29942b0 # [ 36.982938] RBP: ffffffffa2e7f050 R08: 0000000000000001 R09: 0000000000000001 # [ 36.997410] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 37.005667] R13: ffffb1e2013eff10 R14: ffffb1e2013eff10 R15: ffff9e2583921000 # [ 37.013926] FS: 00007fc4787af580(0000) GS:ffff9e25fad80000(0000) knlGS:0000000000000000 # [ 37.023253] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 37.029959] CR2: ffffb1e20236fe18 CR3: 0000000105b02004 CR4: 00000000003706e0 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 37.136730] lkdtm: Performing direct entry EXEC_KMALLOC # [ 37.143854] lkdtm: attempting ok execution at ffffffffa157e9c0 # [ 37.150678] lkdtm: attempting bad execution at ffff9e25<6>[ 44.677898] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW 85358980 # [ 37.163814] kernel tried to execute NX-protected <6>[ 44.685359] lkdtm: attempting good refcount_add() without overflow page - exploit attempt? (uid: 0) # [ 37.172468] BUG: unable t<6>[ 44.698795] lkdtm: attempting bad refcount_add() overflow o handle page fault for address: ffff9e2585358980 # [ 37.1866<4>[ 44.711308] ------------[ cut here ]------------ 51] #PF: supervisor instruction fetch in kernel mode # [ 37.1<4>[ 44.722971] refcount_t: saturated; leaking memory. 93251] #PF: error_code(0x0011) - permissions violation # [ 37<4>[ 44.734855] WARNING: CPU: 1 PID: 2044 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 .199762] PGD 23801067 P4D 23801067 PUD 10084d063 PMD 1058af063 P<4>[ 44.750760] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore TE 8000000105358063 # [ 37.208899] Oops: 0011 [#7] SMP PTI #<4>[ 44.809750] CPU: 1 PID: 2044 Comm: cat Tainted: G D W 5.10.212-cip44 #1 [ 37.213080] CPU: 3 PID: 1647 Comm: cat Tainted: G D W <4>[ 44.824878] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 44.838191] RIP: 0010:refcount_warn_saturate+0x51/0x110 5.10.212-cip44 #1 # [ 37.222020] Hardware name: Google<4>[ 44.844344] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 4b cd 36 02 00 75 ee 48 c7 c7 a0 53 d7 a2 c6 05 3b cd 36 02 01 e8 81 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d 27 cd 36 02 00 75 cb 48 c7 c7 c8 53 d7 <4>[ 44.871830] RSP: 0018:ffffb1e2029e7e48 EFLAGS: 00010286 Rammus/Rammus, BIOS 09/04/2020 # [ 37.229117] RIP: 0010:0xf<4>[ 44.877983] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 <4>[ 44.892456] RDX: ffff9e25facac620 RSI: ffff9e25fac9bf50 RDI: ffff9e25fac9bf50 fff9e2585358980 # [ 37.233785] Code: 00 00 02 00 00 00 00 00 <4>[ 44.900720] RBP: ffffffffa2e1a95b R08: 0000000000000000 R09: 0000000000000000 <4>[ 44.915194] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 <4>[ 44.923458] R13: ffffb1e2029e7f10 R14: ffffb1e2029e7f10 R15: ffff9e2583d52000 00 00 00 86 35 85 25 9e ff ff 04 00 00 00 00 00 00 00 00 00 00 0<4>[ 44.931722] FS: 00007f6ea870d580(0000) GS:ffff9e25fac80000(0000) knlGS:0000000000000000 0 00 00 00 00 cb f9 af a0 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc <4>[ 44.947265] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 44.960189] CR2: 00007f6ea8517000 CR3: 0000000105952002 CR4: 00000000003706e0 cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 37.255055] RSP:<4>[ 44.968454] Call Trace: 0018:ffffb1e2023ffe38 EFLAGS: 00010246 # [ 37.261179] RAX: 0<4>[ 44.977690] ? __warn+0x80/0x110 000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [<4>[ 44.987796] ? refcount_warn_saturate+0x51/0x110 37.269439] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: f<4>[ 44.999458] ? report_bug+0x9e/0xc0 fff9e25fad9bf50 # [ 37.277699] RBP: ffff9e2585358980 R08: 000<4>[ 45.009859] ? handle_bug+0x41/0x90 0000000000000 R09: 0000000000000000 # [ 37.285959] R10: 00000<4>[ 45.020257] ? exc_invalid_op+0x14/0x70 000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 3<4>[ 45.031048] ? asm_exc_invalid_op+0x12/0x20 7.294243] R13: ffffb1e2023fff10 R14: ffffb1e2023fff10 R15: ffff9<4>[ 45.042233] ? refcount_warn_saturate+0x51/0x110 e2584023000 # [ 37.302502] FS: 00007fd1ef097580(0000) GS:fff<4>[ 45.053894] ? refcount_warn_saturate+0x51/0x110 f9e25fad80000(0000) knlGS:0000000000000000 # [ 37.311828] CS:<4>[ 45.065556] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 37.318534]<4>[ 45.077413] direct_entry.cold+0x2c/0x38 CR2: ffff9e2585358980 CR3: 0000000103e7e005 CR4: 00000000003706<4>[ 45.088301] full_proxy_write+0x53/0x80 e0 # [ 37.326793] Call Trace: # [ 37.329812] ? __die_body<4>[ 45.099090] vfs_write+0xe7/0x3b0 .cold+0x1a/0x1f # [ 37.334480] ? no_context+0x177/0x380 # [<4>[ 45.109295] ksys_write+0x68/0xf0 37.338867] ? exc_page_fault+0xd7/0x170 # [ 37.343545] ? <4>[ 45.119501] do_syscall_64+0x30/0x40 <4>[ 45.129997] entry_SYSCALL_64_after_hwframe+0x62/0xc7 asm_exc_page_fault+0x1e/0x30 # [ 37.354722] ? execute_locati<4>[ 45.135933] RIP: 0033:0x7f6ea8623473 <4>[ 45.146424] 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 on+0x45/0x56 # [ 37.365701] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 <4>[ 45.167702] RSP: 002b:00007ffd5470ba48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 45.182661] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f6ea8623473 # [ 37.370659] ? direct_entry.cold+0x2c/0x38 # [ 37.375523<4>[ 45.190925] RDX: 0000000000000016 RSI: 00007f6ea8517000 RDI: 0000000000000001 ] ? full_proxy_write+0x53/0x80 # [ 37.380288] ? vfs_write+0<4>[ 45.205400] RBP: 00007f6ea8517000 R08: 00007f6ea8516010 R09: 0000000000000000 <4>[ 45.219879] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 xe7/0x3b0 # [ 37.384470] ? ksys_write+0x68/0xf0 # [ 37.38<4>[ 45.228144] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 8644] ? do_syscall_64+0x30/0x40 # [ 37.393116] ? entry_SYSC<4>[ 45.242621] irq event stamp: 0 ALL_64_after_hwframe+0x62/0xc7 # [ 37.399242] Modules linked <4>[ 45.252535] hardirqs last enabled at (0): [<0000000000000000>] 0x0 in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sen<4>[ 45.266087] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 45.281727] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 sors_core industrialio_triggered_buffer kfifo_buf industrialio u<4>[ 45.291157] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 45.304659] ---[ end trace c17c1eb82cc650d7 ]--- vcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros<6>[ 45.310107] lkdtm: Overflow detected: saturated _usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore # [ 37.458227] CR2: ffff9e2585358980 # [ 37.462215] ---[ end trace c17c1eb82cc650cc ]--- # [ 37.467659] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 37.472316] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 78 2a 03 # [ 37.493589] RSP: 0018:ffffb1e2013efe60 EFLAGS: 00010286 # [ 37.499716] RAX: ffffffffa157e5f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 37.507977] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffffffffa29942b0 # [ 37.516238] RBP: ffffffffa2e7f050 R08: 0000000000000001 R09: 0000000000000001 # [ 37.524498] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 37.532758] R13: ffffb1e2013eff10 R14: ffffb1e2013eff10 R15: ffff9e2583<6>[ 45.430836] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW <6>[ 45.441457] lkdtm: attempting bad refcount_inc_not_zero() overflow <4>[ 45.448684] ------------[ cut here ]------------ 921000 # [ 37.541018] FS: 00007fd1ef097580(0000) GS:ffff9e25<4>[ 45.454134] refcount_t: saturated; leaking memory. <4>[ 45.466019] WARNING: CPU: 3 PID: 2077 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 fad80000(0000) knlGS:0000000000000000 # [ 37.550346] CS: 001<4>[ 45.475749] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore <4>[ 45.534702] CPU: 3 PID: 2077 Comm: cat Tainted: G D W 5.10.212-cip44 #1 <4>[ 45.543677] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 0 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 37.557052] CR2:<4>[ 45.550780] RIP: 0010:refcount_warn_saturate+0x97/0x110 <4>[ 45.563121] Code: 02 01 e8 5e 3e c4 00 0f 0b c3 cc cc cc cc 80 3d 06 cd 36 02 00 75 a8 48 c7 c7 a0 53 d7 a2 c6 05 f6 cc 36 02 01 e8 3b 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d e0 cc 36 02 00 75 85 48 c7 c7 f8 53 d7 <4>[ 45.584395] RSP: 0018:ffffb1e202a3fe38 EFLAGS: 00010282 <4>[ 45.590521] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 <4>[ 45.598802] RDX: ffff9e25fadac620 RSI: ffff9e25fad9bf50 RDI: ffff9e25fad9bf50 <4>[ 45.607101] RBP: ffffffffa2e1a598 R08: 0000000000000000 R09: 0000000000000000 <4>[ 45.615387] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f <4>[ 45.623648] R13: ffffb1e202a3ff10 R14: ffffb1e202a3ff10 R15: ffff9e2583270000 <4>[ 45.631913] FS: 00007f104d531580(0000) GS:ffff9e25fad80000(0000) knlGS:0000000000000000 <4>[ 45.641243] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 45.647952] CR2: 00007f104d33b000 CR3: 0000000105952001 CR4: 00000000003706e0 <4>[ 45.656213] Call Trace: <4>[ 45.659236] ? __warn+0x80/0x110 <4>[ 45.663134] ? refcount_warn_saturate+0x97/0x110 <4>[ 45.668581] ? report_bug+0x9e/0xc0 <4>[ 45.672768] ? handle_bug+0x41/0x90 <4>[ 45.676954] ? exc_invalid_op+0x14/0x70 <4>[ 45.681527] ? asm_exc_invalid_op+0x12/0x20 <4>[ 45.686493] ? refcount_warn_saturate+0x97/0x110 <4>[ 45.691971] ? refcount_warn_saturate+0x97/0x110 <4>[ 45.697418] __refcount_add_not_zero.constprop.0+0x2a/0x35 <4>[ 45.703835] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 <4>[ 45.710349] direct_entry.cold+0x2c/0x38 <4>[ 45.715022] full_proxy_write+0x53/0x80 <4>[ 45.719620] vfs_write+0xe7/0x3b0 <4>[ 45.723611] ksys_write+0x68/0xf0 <4>[ 45.727602] do_syscall_64+0x30/0x40 <4>[ 45.731885] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 45.737819] RIP: 0033:0x7f104d447473 <4>[ 45.742101] 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>[ 45.763374] RSP: 002b:00007ffd91cdf218 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 45.772123] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f104d447473 <4>[ 45.780384] RDX: 000000000000001f RSI: 00007f104d33b000 RDI: 0000000000000001 <4>[ 45.788647] RBP: 00007f104d33b000 R08: 00007f104d33a010 R09: 0000000000000000 <4>[ 45.796929] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 45.805183] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 45.813450] irq event stamp: 0 ffff9e2585358980 CR3: 0000000103e7e005 CR4: 00000000003706e0 #<4>[ 45.817172] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 37.565311] BUG: sleeping function called from invalid conte<4>[ 45.830682] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 45.846325] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 45.855753] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 45.863044] ---[ end trace c17c1eb82cc650d8 ]--- <6>[ 45.868492] lkdtm: Overflow detected: saturated xt at include/linux/percpu-rwsem.h:49 # [ 37.575513] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1647, name: cat # [ 37.584259] INFO: lockdep is turned off. # [ 37.588927] irq event stamp: 0 # [ 37.592623] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 37.599904] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 37.609345] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 37.618771] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 37.626060] CPU: 3 PID: 1647 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 37.635000] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 37.642095] Call Trace: # [ 37.645115] dump_stack+0x77/0x9b # [ 37.649103] ___might_sleep.cold+0xa6/0xb6 # [ 37.653965] exit_signals+0x1c/0x300 # [ 37.658241] do_exit+0xc2/0xab0 # [ 37.662035] ? ksys_write+0x68/0xf0 # [ 37.666221] make_task_dead+0x2f/0x30 # [ 37.670598] rewind_stack_and_make_dead+0x17/0x20 # [ 37.676144] RIP: 0033:0x7fd1eefad473 # [ 37.680424] Code: 8b 15 21 2a 0e 00 f7 d8 64 89<6>[ 45.983467] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW <6>[ 45.993634] lkdtm: attempting bad refcount_add_not_zero() overflow <4>[ 46.000831] ------------[ cut here ]------------ <4>[ 46.006279] refcount_t: saturated; leaking memory. <4>[ 46.011950] WARNING: CPU: 3 PID: 2110 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 <4>[ 46.021674] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore <4>[ 46.080626] CPU: 3 PID: 2110 Comm: cat Tainted: G D W 5.10.212-cip44 #1 <4>[ 46.089568] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 46.096666] RIP: 0010:refcount_warn_saturate+0x97/0x110 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f<4>[ 46.102796] Code: 02 01 e8 5e 3e c4 00 0f 0b c3 cc cc cc cc 80 3d 06 cd 36 02 00 75 a8 48 c7 c7 a0 53 d7 a2 c6 05 f6 cc 36 02 01 e8 3b 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d e0 cc 36 02 00 75 85 48 c7 c7 f8 53 d7 <4>[ 46.130284] RSP: 0018:ffffb1e202ad7e38 EFLAGS: 00010282 <4>[ 46.136442] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 <4>[ 46.144704] RDX: ffff9e25fadac620 RSI: ffff9e25fad9bf50 RDI: ffff9e25fad9bf50 <4>[ 46.152965] RBP: ffffffffa2e1a5b8 R08: 0000000000000000 R09: 0000000000000000 <4>[ 46.161224] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 37.701690] RSP: 002b<4>[ 46.169517] R13: ffffb1e202ad7f10 R14: ffffb1e202ad7f10 R15: ffff9e2583b8a000 <4>[ 46.183989] FS: 00007fc3d310b580(0000) GS:ffff9e25fad80000(0000) knlGS:0000000000000000 :00007ffffb95d3d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 #<4>[ 46.193340] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 46.206263] CR2: 00007fc3d2f15000 CR3: 00000001058cc001 CR4: 00000000003706e0 <4>[ 46.214527] Call Trace: <4>[ 46.217550] ? __warn+0x80/0x110 <4>[ 46.221474] ? refcount_warn_saturate+0x97/0x110 <4>[ 46.226923] ? report_bug+0x9e/0xc0 <4>[ 46.231110] ? handle_bug+0x41/0x90 <4>[ 46.235316] ? exc_invalid_op+0x14/0x70 [ 37.710436] RAX: ffffffffffffffda RBX: 000000000000000d RCX:<4>[ 46.239892] ? asm_exc_invalid_op+0x12/0x20 <4>[ 46.251067] ? refcount_warn_saturate+0x97/0x110 <4>[ 46.256545] ? refcount_warn_saturate+0x97/0x110 <4>[ 46.261993] __refcount_add_not_zero.constprop.0+0x2a/0x35 <4>[ 46.268410] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 <4>[ 46.274925] direct_entry.cold+0x2c/0x38 <4>[ 46.279598] full_proxy_write+0x53/0x80 <4>[ 46.284197] vfs_write+0xe7/0x3b0 <4>[ 46.288212] ksys_write+0x68/0xf0 <4>[ 46.292204] do_syscall_64+0x30/0x40 <4>[ 46.296487] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 46.302421] RIP: 0033:0x7fc3d3021473 <4>[ 46.306704] 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>[ 46.327978] RSP: 002b:00007fffdd30c3e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 46.336727] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fc3d3021473 <4>[ 46.344989] RDX: 000000000000001f RSI: 00007fc3d2f15000 RDI: 0000000000000001 <4>[ 46.353252] RBP: 00007fc3d2f15000 R08: 00007fc3d2f14010 R09: 0000000000000000 <4>[ 46.361514] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 46.369777] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00007fd1eefad473 # [ 37.718696] RDX: 000000000000000d RSI: 0<4>[ 46.378044] irq event stamp: 0 <4>[ 46.387954] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0007fd1eeea1000 RDI: 0000000000000001 # [ 37.726955] RBP: 000<4>[ 46.395248] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 46.410886] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 46.420314] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 46.427606] ---[ end trace c17c1eb82cc650d9 ]--- <6>[ 46.433051] lkdtm: Overflow detected: saturated 07fd1eeea1000 R08: 00007fd1eeea0010 R09: 0000000000000000 # [ 37.735215] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 37.743475] 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 # [ 37.860813] lkdtm: Performing direct entry EXEC_VMALLOC # [ 37.869806] lkdtm: attempting ok execution at ffffffffa157e9c0 # [ 37.882842] lkdtm: attempting bad execution at ffffb1e200341000 # [ 37.895962] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 37.910785] BUG: unable to handle page fault for address: ffffb1e200341000 # [ 37.918752] #PF: supervisor instruction fetch in kernel mode # [ 37.925361] #PF: error_code(0x0011) - permissions violation # [ 37.931872] PGD 100000067 P4D 100000067 PUD 100245067 PMD 1009cc067 PTE 800000010530e063 # [ 37.941209] Oops: 0011 [#8] SMP PTI # [ 37.945391] CPU: 0 PID: 1684 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 37.954330] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 37.961427] RIP: 0010:0xffffb1e200341000 # [ 37.966<6>[ 46.551053] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO <6>[ 46.563180] lkdtm: attempting good refcount_dec() 094] Code: Unable to access opcode bytes at RIP 0xffffb1e200340f<6>[ 46.568740] lkdtm: attempting bad refcount_dec() to zero <4>[ 46.581169] ------------[ cut here ]------------ <4>[ 46.586640] refcount_t: decrement hit 0; leaking memory. <4>[ 46.592892] WARNING: CPU: 2 PID: 2143 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 d6. # [ 37.974063] RSP: 0018:ffffb1e202477e38 EFLAGS: 0001024<4>[ 46.602618] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore <4>[ 46.661587] CPU: 2 PID: 2143 Comm: cat Tainted: G D W 5.10.212-cip44 #1 6 # [ 37.980186] RAX: 0000000000000033 RBX: 0000000000000001 <4>[ 46.670542] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 RCX: 0000000000000000 # [ 37.988467] RDX: 0000000000000000 RS<4>[ 46.683852] RIP: 0010:refcount_warn_saturate+0xfb/0x110 <4>[ 46.696193] Code: 50 54 d7 a2 c6 05 a7 cc 36 02 01 e8 f1 3d c4 00 0f 0b c3 cc cc cc cc 48 c7 c7 20 54 d7 a2 c6 05 8e cc 36 02 01 e8 d7 3d c4 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b <4>[ 46.717491] RSP: 0018:ffffb1e202b5fe48 EFLAGS: 00010286 <4>[ 46.723620] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 <4>[ 46.731907] RDX: ffff9e25fad2c620 RSI: ffff9e25fad1bf50 RDI: ffff9e25fad1bf50 I: ffff9e25fac1bf50 RDI: ffff9e25fac1bf50 # [ 37.996727] RBP:<4>[ 46.740185] RBP: ffffffffa2e1a971 R08: 0000000000000000 R09: 0000000000000000 <4>[ 46.754651] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 <4>[ 46.762915] R13: ffffb1e202b5ff10 R14: ffffb1e202b5ff10 R15: ffff9e2583f7c000 <4>[ 46.771178] FS: 00007f783edc3580(0000) GS:ffff9e25fad00000(0000) knlGS:0000000000000000 <4>[ 46.780511] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 46.787221] CR2: 00007f783ebcd000 CR3: 0000000104798001 CR4: 00000000003706e0 <4>[ 46.795484] Call Trace: <4>[ 46.798523] ? __warn+0x80/0x110 ffffb1e200341000 R08: 0000000000000000 R09: 0000000000000000 #<4>[ 46.802427] ? refcount_warn_saturate+0xfb/0x110 <4>[ 46.814084] ? report_bug+0x9e/0xc0 <4>[ 46.818271] ? handle_bug+0x41/0x90 <4>[ 46.822477] ? exc_invalid_op+0x14/0x70 <4>[ 46.827053] ? asm_exc_invalid_op+0x12/0x20 <4>[ 46.832044] ? refcount_warn_saturate+0xfb/0x110 [ 38.004984] R10: 00000000ffffe000 R11: 3fffffffffffffff R12:<4>[ 46.837519] ? refcount_warn_saturate+0xfb/0x110 <4>[ 46.849176] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd <4>[ 46.854429] direct_entry.cold+0x2c/0x38 <4>[ 46.859127] full_proxy_write+0x53/0x80 <4>[ 46.863734] vfs_write+0xe7/0x3b0 <4>[ 46.867756] ksys_write+0x68/0xf0 <4>[ 46.871771] do_syscall_64+0x30/0x40 <4>[ 46.876078] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 46.882036] RIP: 0033:0x7f783ecd9473 <4>[ 46.886320] 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>[ 46.907597] RSP: 002b:00007ffd82138238 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 46.916348] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f783ecd9473 <4>[ 46.924612] RDX: 0000000000000012 RSI: 00007f783ebcd000 RDI: 0000000000000001 <4>[ 46.932876] RBP: 00007f783ebcd000 R08: 00007f783ebcc010 R09: 0000000000000000 <4>[ 46.941161] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 000000000000000d # [ 38.013242] R13: ffffb1e202477f10 R14: f<4>[ 46.949427] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 fffb1e202477f10 R15: ffff9e258530e000 # [ 38.021503] FS: 000<4>[ 46.963912] irq event stamp: 0 <4>[ 46.973837] hardirqs last enabled at (0): [<0000000000000000>] 0x0 07fa1035ae580(0000) GS:ffff9e25fac00000(0000) knlGS:000000000000<4>[ 46.981139] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 46.996775] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 47.006204] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 47.013498] ---[ end trace c17c1eb82cc650da ]--- <6>[ 47.018946] lkdtm: Zero detected: saturated 0000 # [ 38.030822] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 38.037527] CR2: ffffb1e200340fd6 CR3: 0000000106830001 CR4: 00000000003706f0 # [ 38.045785] Call Trace: # [ 38.048805] ? __die_body.cold+0x1a/0x1f # [ 38.053471] ? no_context+0x177/0x380 # [ 38.057848] ? exc_page_fault+0xd7/0x170 # [ 38.062522] ? asm_exc_page_fault+0x1e/0x30 # [ 38.067486] ? execute_location+0x45/0x56 # [ 38.072256] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 38.077213] ? direct_entry.cold+0x2c/0x38 # [ 38.082077] ? full_proxy_write+0x53/0x80 # [ 38.086848] ? vfs_write+0xe7/0x3b0 # [ 38.091021] ? ksys_write+0x68/0xf0 # [ 38.095203] ? do_syscall_64+0x30/0x40 # [ 38.099668] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 38.105786] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regm<6>[ 47.139823] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE ap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_bac<6>[ 47.149075] lkdtm: attempting bad refcount_dec() below zero klight chromeos_pstore # [ 38.158550] CR2: ffffb1e200341000 <4>[ 47.161828] ------------[ cut here ]------------ # [ 38.162538] ---[ end trace c17c1eb82cc650cd ]--- # [ 38.<4>[ 47.173481] refcount_t: decrement hit 0; leaking memory. 167973] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 38.172640] Code: 89 <4>[ 47.185970] WARNING: CPU: 0 PID: 2179 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff f<4>[ 47.201897] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore f c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> <4>[ 47.260855] CPU: 0 PID: 2179 Comm: cat Tainted: G D W 5.10.212-cip44 #1 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 78 2a 03 <4>[ 47.276033] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 38.193912] RSP: 0018:ffffb1e2013efe60 EFLAGS: 00010286 # <4>[ 47.289345] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 38.200057] RAX: ffffffffa157e5f0 RBX: 0000000000000001 RCX: <4>[ 47.301728] Code: 50 54 d7 a2 c6 05 a7 cc 36 02 01 e8 f1 3d c4 00 0f 0b c3 cc cc cc cc 48 c7 c7 20 54 d7 a2 c6 05 8e cc 36 02 01 e8 d7 3d c4 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 0000000000000000 # [ 38.208316] RDX: 0000000000000000 RSI: ff<4>[ 47.329183] RSP: 0018:ffffb1e202be7e48 EFLAGS: 00010286 ff9e25fad9bf50 RDI: ffffffffa29942b0 # [ 38.216575] RBP: ffff<4>[ 47.341546] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 ffffa2e7f050 R08: 0000000000000001 R09: 0000000000000001 # [ <4>[ 47.356003] RDX: ffff9e25fac2c620 RSI: ffff9e25fac1bf50 RDI: ffff9e25fac1bf50 38.224835] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000<4>[ 47.370533] RBP: ffffffffa2e1a983 R08: 0000000000000000 R09: 0000000000000000 000000000004 # [ 38.233097] R13: ffffb1e2013eff10 R14: ffffb1<4>[ 47.384973] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 e2013eff10 R15: ffff9e2583921000 # [ 38.241356] FS: 00007fa1<4>[ 47.399458] R13: ffffb1e202be7f10 R14: ffffb1e202be7f10 R15: ffff9e2584108000 035ae580(0000) GS:ffff9e25fac00000(0000) knlGS:0000000000000000 <4>[ 47.413946] FS: 00007f104826f580(0000) GS:ffff9e25fac00000(0000) knlGS:0000000000000000 # [ 38.250685] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050<4>[ 47.429498] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 033 # [ 38.257389] CR2: ffffb1e200340fd6 CR3: 000000010683000<4>[ 47.442429] CR2: 00007f1048079000 CR3: 0000000104494003 CR4: 00000000003706f0 1 CR4: 00000000003706f0 # EXEC_VMALLOC: saw 'call trace:': ok <4>[ 47.456948] Call Trace: ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXE<4>[ 47.466163] ? __warn+0x80/0x110 C_RODATA.sh # Killed # [ 38.432931] lkdtm: Performing direct<4>[ 47.476270] ? refcount_warn_saturate+0xfb/0x110 entry EXEC_RODATA # [ 38.439535] lkdtm: attempting ok execut<4>[ 47.487933] ? report_bug+0x9e/0xc0 ion at ffffffffa157e9c0 # [ 38.446349] lkdtm: attempting bad <4>[ 47.498356] ? handle_bug+0x41/0x90 execution at ffffffffa2994740 # [ 38.453254] kernel tried to <4>[ 47.508754] ? exc_invalid_op+0x14/0x70 execute NX-protected page - exploit attempt? (uid: 0) # [ 38.<4>[ 47.519595] ? asm_exc_invalid_op+0x12/0x20 461909] BUG: unable to handle page fault for address: ffffffffa2<4>[ 47.530756] ? refcount_warn_saturate+0xfb/0x110 994740 # [ 38.469880] #PF: supervisor instruction fetch in ke<4>[ 47.542415] ? refcount_warn_saturate+0xfb/0x110 rnel mode # [ 38.476480] #PF: error_code(0x0011) - permission<4>[ 47.554082] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 s violation # [ 38.482990] PGD 21e29067 P4D 21e29067 PUD 21e2<4>[ 47.565903] direct_entry.cold+0x2c/0x38 a063 PMD 80000000216000e1 # [ 38.496983] Oops: 0011 [#9] SMP<4>[ 47.576789] full_proxy_write+0x53/0x80 PTI # [ 38.501164] CPU: 2 PID: 1721 Comm: cat Tainted: G <4>[ 47.587595] vfs_write+0xe7/0x3b0 D W 5.10.212-cip44 #1 # [ 38.510103] Hardware name:<4>[ 47.597792] ksys_write+0x68/0xf0 Google Rammus/Rammus, BIOS 09/04/2020 # [ 38.517201] RIP: 0<4>[ 47.608000] do_syscall_64+0x30/0x40 010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 38.523229] Code: ff <4>[ 47.618503] entry_SYSCALL_64_after_hwframe+0x62/0xc7 ff 5c 7c c4 a1 ff ff ff ff 02 ab e1 a2 ff ff ff ff a2 63 c4 a1 f<4>[ 47.630650] RIP: 0033:0x7f1048185473 f ff ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 00 00 00 00 <4>[ 47.641150] 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 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 54 68 69 73 20 69 <4>[ 47.668656] RSP: 002b:00007fff60b666a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 38.544490] RSP: 0018:ffffb1e20250fe48 EFLAGS: 00010246 # <4>[ 47.683636] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f1048185473 [ 38.550614] RAX: 0000000000000033 RBX: 0000000000000000 RCX: <4>[ 47.698121] RDX: 0000000000000016 RSI: 00007f1048079000 RDI: 0000000000000001 0000000000000000 # [ 38.558873] RDX: 0000000000000000 RSI: ff<4>[ 47.712587] RBP: 00007f1048079000 R08: 00007f1048078010 R09: 0000000000000000 ff9e25fad1bf50 RDI: ffff9e25fad1bf50 # [ 38.567131] RBP: ffff<4>[ 47.727108] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 ffffa2994740 R08: 0000000000000000 R09: 0000000000000000 # [ <4>[ 47.741574] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 38.575401] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000<4>[ 47.756098] irq event stamp: 0 00000000000c # [ 38.583661] R13: ffffb1e20250ff10 R14: ffffb1<4>[ 47.765996] hardirqs last enabled at (0): [<0000000000000000>] 0x0 e20250ff10 R15: ffff9e258448c000 # [ 38.591920] FS: 00007f35<4>[ 47.779507] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 c5c6f580(0000) GS:ffff9e25fad00000(0000) knlGS:0000000000000000 <4>[ 47.795195] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 38.601247] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050<4>[ 47.810828] softirqs last disabled at (0): [<0000000000000000>] 0x0 033 # [ 38.607951] CR2: ffffffffa2994740 CR3: 0000000103f7e00<4>[ 47.824361] ---[ end trace c17c1eb82cc650db ]--- 3 CR4: 00000000003706e0 # [ 38.616211] Call Trace: # [ 38.<6>[ 47.836007] lkdtm: Negative detected: saturated 619231] ? __die_body.cold+0x1a/0x1f # [ 38.623901] ? no_context+0x177/0x380 # [ 38.628296] ? exc_page_fault+0xd7/0x170 # [ 38.632965] ? asm_exc_page_fault+0x1e/0x30 # [ 38.637929] ? execute_location+0x45/0x56 # [ 38.642694] ? direct_entry.cold+0x2c/0x38 # [ 38.647556] ? full_proxy_write+0x53/0x80 # [ 38.652313] ? vfs_write+0xe7/0x3b0 # [ 38.656496] ? ksys_write+0x68/0xf0 # [ 38.660670] ? do_syscall_64+0x30/0x40 # [ 38.665143] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 38.671261] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore # [ 38.730245] CR2: ffffffffa2994740 # [ 38.734233] ---[ end trace c17c1eb82cc650ce ]--- # [ 38.739680] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 38.744348] <6>[ 47.963927] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 e<6>[ 47.973567] lkdtm: attempting bad refcount_dec_and_test() below zero a ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00<4>[ 47.987171] ------------[ cut here ]------------ <4>[ 47.998832] refcount_t: underflow; use-after-free. 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 7<4>[ 48.004487] WARNING: CPU: 3 PID: 2215 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 8 2a 03 # [ 38.765618] RSP: 0018:ffffb1e2013efe60 EFLAGS: 000<4>[ 48.020409] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore <4>[ 48.079433] CPU: 3 PID: 2215 Comm: cat Tainted: G D W 5.10.212-cip44 #1 10286 # [ 38.771741] RAX: ffffffffa157e5f0 RBX: 0000000000000<4>[ 48.088392] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 48.101695] RIP: 0010:refcount_warn_saturate+0xba/0x110 <4>[ 48.107824] Code: 02 01 e8 3b 3e c4 00 0f 0b c3 cc cc cc cc 80 3d e0 cc 36 02 00 75 85 48 c7 c7 f8 53 d7 a2 c6 05 d0 cc 36 02 01 e8 18 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d bb cc 36 02 00 0f 85 5e ff ff ff 48 c7 <4>[ 48.129100] RSP: 0018:ffffb1e202c6fe40 EFLAGS: 00010286 <4>[ 48.135233] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 <4>[ 48.143497] RDX: ffff9e25fadac620 RSI: ffff9e25fad9bf50 RDI: ffff9e25fad9bf50 <4>[ 48.151761] RBP: ffffffffa2e1a5d8 R08: 0000000000000000 R09: 0000000000000000 <4>[ 48.160025] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f <4>[ 48.168290] R13: ffffb1e202c6ff10 R14: ffffb1e202c6ff10 R15: ffff9e258592a000 <4>[ 48.176555] FS: 00007fcbce795580(0000) GS:ffff9e25fad80000(0000) knlGS:0000000000000000 <4>[ 48.185889] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 48.192600] CR2: 00007fcbce59f000 CR3: 0000000104108004 CR4: 00000000003706e0 <4>[ 48.200866] Call Trace: <4>[ 48.203891] ? __warn+0x80/0x110 <4>[ 48.207818] ? refcount_warn_saturate+0xba/0x110 <4>[ 48.213290] ? report_bug+0x9e/0xc0 <4>[ 48.217479] ? handle_bug+0x41/0x90 <4>[ 48.221696] ? exc_invalid_op+0x14/0x70 <4>[ 48.226273] ? asm_exc_invalid_op+0x12/0x20 <4>[ 48.231270] ? refcount_warn_saturate+0xba/0x110 001 RCX: 0000000000000000 # [ 38.780013] RDX: 000000000000000<4>[ 48.236749] __refcount_sub_and_test.constprop.0+0x3c/0x50 <4>[ 48.249373] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 <4>[ 48.255892] direct_entry.cold+0x2c/0x38 <4>[ 48.260596] full_proxy_write+0x53/0x80 0 RSI: ffff9e25fad9bf50 RDI: ffffffffa29942b0 # [ 38.788272] <4>[ 48.265181] vfs_write+0xe7/0x3b0 RBP: ffffffffa2e7f050 R08: 0000000000000001 R09: 000000000000000<4>[ 48.275385] ksys_write+0x68/0xf0 1 # [ 38.796532] R10: 00000000ffffe000 R11: 3fffffffffffffff <4>[ 48.285590] do_syscall_64+0x30/0x40 R12: 0000000000000004 # [ 38.804792] R13: ffffb1e2013eff10 R1<4>[ 48.296100] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 48.308249] RIP: 0033:0x7fcbce6ab473 <4>[ 48.312533] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 48.333811] RSP: 002b:00007ffdb5192238 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 48.342563] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fcbce6ab473 <4>[ 48.350827] RDX: 000000000000001f RSI: 00007fcbce59f000 RDI: 0000000000000001 <4>[ 48.359109] RBP: 00007fcbce59f000 R08: 00007fcbce59e010 R09: 0000000000000000 <4>[ 48.367371] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 48.375636] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 48.383906] irq event stamp: 0 4: ffffb1e2013eff10 R15: ffff9e2583921000 # [ 38.813052] FS: <4>[ 48.387636] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 48.401138] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 48.410569] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 48.420001] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 48.427319] ---[ end trace c17c1eb82cc650dc ]--- <6>[ 48.432767] lkdtm: Negative detected: saturated 00007f35c5c6f580(0000) GS:ffff9e25fad00000(0000) knlGS:0000000000000000 # [ 38.822369] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 38.829074] CR2: ffffffffa2994740 CR3: 0000000103f7e003 CR4: 00000000003706e0 # [ 38.837335] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 38.847528] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1721, name: cat # [ 38.856274] INFO: lockdep is turned off. # [ 38.860939] irq event stamp: 0 # [ 38.864635] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 38.871924] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 38.881347] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 38.890771] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 38.898060] CPU: 2 PID: 1721 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 38.906990] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 38.914085] Call Trace: # [ 38.917103] dump_stack+0x77/0x9b # [ 38.921091] ___might_sleep.cold+0xa6/0xb6 # [ 38.925954] exit_signals+0x1c/0x300 # [ 38.930234] do_exit+0xc2/0xab0 # [ 38.934028] ? ksys_write+0x68/0xf0 # [ 38.938212] make_task_dead<6>[ 48.556888] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE +0x2f/0x30 # [ 38.942590] rewind_stack_and_make_dead+0x17/0x<6>[ 48.570367] lkdtm: attempting bad refcount_sub_and_test() below zero 20 # [ 38.948130] RIP: 0033:0x7f35c5b85473 # [ 38.952409] <4>[ 48.583971] ------------[ cut here ]------------ Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b<4>[ 48.595625] refcount_t: underflow; use-after-free. 7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f<4>[ 48.607518] WARNING: CPU: 1 PID: 2251 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 5<4>[ 48.623416] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore 4 24 18 # [ 38.973681] RSP: 002b:00007ffd6e518f48 EFLAGS: 000<4>[ 48.682401] CPU: 1 PID: 2251 Comm: cat Tainted: G D W 5.10.212-cip44 #1 00246 ORIG_RAX: 0000000000000001 # [ 38.982418] RAX: ffffffff<4>[ 48.697531] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 ffffffda RBX: 000000000000000c RCX: 00007f35c5b85473 # [ 38.9<4>[ 48.710845] RIP: 0010:refcount_warn_saturate+0xba/0x110 <4>[ 48.723190] Code: 02 01 e8 3b 3e c4 00 0f 0b c3 cc cc cc cc 80 3d e0 cc 36 02 00 75 85 48 c7 c7 f8 53 d7 a2 c6 05 d0 cc 36 02 01 e8 18 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d bb cc 36 02 00 0f 85 5e ff ff ff 48 c7 90678] RDX: 000000000000000c RSI: 00007f35c5a79000 RDI: 00000000<4>[ 48.744468] RSP: 0018:ffffb1e202d17e40 EFLAGS: 00010286 <4>[ 48.756806] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 00000001 # [ 38.998936] RBP: 00007f35c5a79000 R08: 00007f35c5<4>[ 48.765072] RDX: ffff9e25facac620 RSI: ffff9e25fac9bf50 RDI: ffff9e25fac9bf50 <4>[ 48.779546] RBP: ffffffffa2e1a5f8 R08: 0000000000000000 R09: 0000000000000000 a78010 R09: 0000000000000000 # [ 39.007195] R10: ffffffffffff<4>[ 48.787811] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f <4>[ 48.802284] R13: ffffb1e202d17f10 R14: ffffb1e202d17f10 R15: ffff9e2585a4a000 <4>[ 48.810548] FS: 00007f4d053ef580(0000) GS:ffff9e25fac80000(0000) knlGS:0000000000000000 fbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 39.01545<4>[ 48.819883] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 48.832822] CR2: 00007f4d051f9000 CR3: 0000000104996004 CR4: 00000000003706e0 <4>[ 48.841084] Call Trace: 3] R13: 0000000000000001 R14: 0000000000020000 R15: 000000000002<4>[ 48.844111] ? __warn+0x80/0x110 <4>[ 48.854210] ? refcount_warn_saturate+0xba/0x110 0000 # EXEC_RODATA: saw 'call trace:': ok ok 34 selftests: lkd<4>[ 48.859661] ? report_bug+0x9e/0xc0 tm: EXEC_RODATA.sh # selftests: lkdtm: EXEC_USERSPACE.sh # Kil<4>[ 48.870058] ? handle_bug+0x41/0x90 led # [ 39.182635] lkdtm: Performing direct entry EXEC_USERSP<4>[ 48.880457] ? exc_invalid_op+0x14/0x70 ACE # [ 39.191712] lkdtm: attempting ok execution at ffffffff<4>[ 48.891249] ? asm_exc_invalid_op+0x12/0x20 a157e9c0 # [ 39.198558] lkdtm: attempting bad execution at 00<4>[ 48.902426] ? refcount_warn_saturate+0xba/0x110 007fadc28d4000 # [ 39.205500] unable to execute userspace cod<4>[ 48.914091] __refcount_sub_and_test.constprop.0+0x3c/0x50 e (SMEP?) (uid: 0) # [ 39.212219] BUG: unable to handle page <4>[ 48.926725] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b fault for address: 00007fadc28d4000 # [ 39.220191] #PF: super<4>[ 48.939458] direct_entry.cold+0x2c/0x38 visor instruction fetch in kernel mode # [ 39.233013] #PF: er<4>[ 48.950348] full_proxy_write+0x53/0x80 ror_code(0x0011) - permissions violation # [ 39.239526] PGD 8<4>[ 48.961139] vfs_write+0xe7/0x3b0 0000001043e4067 P4D 80000001043e4067 PUD 10321f067 PMD 105bd1067<4>[ 48.971345] ksys_write+0x68/0xf0 <4>[ 48.981552] do_syscall_64+0x30/0x40 PTE 10729d067 # [ 39.249538] Oops: 0011 [#10] SMP PTI # [ <4>[ 48.985835] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 48.997978] RIP: 0033:0x7f4d05305473 39.253817] CPU: 3 PID: 1758 Comm: cat Tainted: G D W <4>[ 49.002261] 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 5.10.212-cip44 #1 # [ 39.262756] Hardware name: Google Ram<4>[ 49.029749] RSP: 002b:00007ffd387acb88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 49.044726] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f4d05305473 mus/Rammus, BIOS 09/04/2020 # [ 39.269853] RIP: 0010:0x7fadc<4>[ 49.052990] RDX: 000000000000001f RSI: 00007f4d051f9000 RDI: 0000000000000001 <4>[ 49.067465] RBP: 00007f4d051f9000 R08: 00007f4d051f8010 R09: 0000000000000000 <4>[ 49.075730] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 28d4000 # [ 39.274135] Code: Unable to access opcode bytes at<4>[ 49.083995] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 RIP 0x7fadc28d3fd6. # [ 39.281714] RSP: 0018:ffffb1e20259fe5<4>[ 49.098474] irq event stamp: 0 <4>[ 49.108387] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0 EFLAGS: 00010246 # [ 39.287837] RAX: 0000000000000033 RBX: <4>[ 49.115697] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 49.131333] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 0000000000000024 RCX: 0000000000000000 # [ 39.296104] RDX: 00<4>[ 49.140763] softirqs last disabled at (0): [<0000000000000000>] 0x0 00000000000000 RSI: ffff9e25fad9bf50 RDI: ffff9e25fad9bf50 # [ <4>[ 49.154266] ---[ end trace c17c1eb82cc650dd ]--- 39.304363] RBP: 00007fadc28d4000 R08: 0000000000000000 R09: 00<6>[ 49.165931] lkdtm: Negative detected: saturated 00000000000000 # [ 39.312621] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f # [ 39.320881] R13: ffffb1e20259ff10 R14: ffffb1e20259ff10 R15: ffff9e2584783000 # [ 39.329141] FS: 00007fadc28a5580(0000) GS:ffff9e25fad80000(0000) knlGS:0000000000000000 # [ 39.338468] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 39.345172] CR2: 00007fadc28d4000 CR3: 0000000103e78004 CR4: 00000000003706e0 # [ 39.353431] Call Trace: # [ 39.356451] ? __die_body.cold+0x1a/0x1f # [ 39.361120] ? no_context+0x177/0x380 # [ 39.365489] ? exc_page_fault+0x53/0x170 # [ 39.370158] ? asm_exc_page_fault+0x1e/0x30 # [ 39.375121] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae # [ 39.380758] ? direct_entry.cold+0x2c/0x38 # [ 39.385621] ? full_proxy_write+0x53/0x80 # [ 39.390387] ? vfs_write+0xe7/0x3b0 # [ 39.394570] ? ksys_write+0x68/0xf0 # [ 39.398743] ? do_syscall_64+0x30/0x40 # [ 39.403208] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 39.409335] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore # [ 39.468321] CR2: 00007fadc28d4000 # [ 39.472308] ---[ end trace c17c1eb82cc650cf ]--- # [ 39.477754] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 39.482422] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 78 2a 03 # [ 39.503701] RSP: 0018:ffffb1e2013efe60 EFLAGS: 00010286 # [ 39.509825] RAX: ffffffffa157e5f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 39.518085] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffffffffa29942b0 # [ 39.526344] RBP: ffffffffa2e7f050 R08: 0000000000000001 R09: 0000000000000001 # [ 39.534603] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 39.542862] R13: ffffb1e2013eff10 R14: ffffb1e2013eff10 R15: ffff9e2583921000 # [ 39.551122] FS: 00007fadc28a5580(0000) GS:ffff9e25fad80000(0000) knlGS:0000000000000000 # [ 39.560440] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 39.567147] CR2: 00007fadc28d4000 CR3: 0000000103e78004 CR4: 00000000003706e0 # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh # Killed <6>[ 49.445443] lkdtm: Performing direct entry REFCOUNT_INC_ZERO <6>[ 49.455513] lkdtm: attempting safe refcount_inc_not_zero() from zero <6>[ 49.462934] lkdtm: Good: zero detected # [ 39.678449] lkdtm: Performing direct entry EXEC_NULL # [ <6>[ 49.467412] lkdtm: Correctly stayed at zero <6>[ 49.478592] lkdtm: attempting bad refcount_inc() from zero <4>[ 49.485041] ------------[ cut here ]------------ <4>[ 49.490490] refcount_t: addition on 0; use-after-free. <4>[ 49.496595] WARNING: CPU: 3 PID: 2284 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 39.686939] lkdtm: attempting ok execution at ffffffffa157e9c0 <4>[ 49.506324] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore <4>[ 49.565307] CPU: 3 PID: 2284 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 39.693751] lkdtm: attempting bad execution at 00000000000<4>[ 49.574267] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 49.587572] RIP: 0010:refcount_warn_saturate+0x74/0x110 <4>[ 49.593731] Code: 02 01 e8 81 3e c4 00 0f 0b c3 cc cc cc cc 80 3d 27 cd 36 02 00 75 cb 48 c7 c7 c8 53 d7 a2 c6 05 17 cd 36 02 01 e8 5e 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d 06 cd 36 02 00 75 a8 48 c7 c7 a0 53 d7 <4>[ 49.615009] RSP: 0018:ffffb1e202dafe48 EFLAGS: 00010286 <4>[ 49.621137] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 <4>[ 49.629401] RDX: ffff9e25fadac620 RSI: ffff9e25fad9bf50 RDI: ffff9e25fad9bf50 <4>[ 49.637665] RBP: ffffffffa2e1a999 R08: 0000000000000000 R09: 0000000000000000 <4>[ 49.645931] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 <4>[ 49.654195] R13: ffffb1e202daff10 R14: ffffb1e202daff10 R15: ffff9e25845f9000 <4>[ 49.662463] FS: 00007f43b11f0580(0000) GS:ffff9e25fad80000(0000) knlGS:0000000000000000 <4>[ 49.671800] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 49.678512] CR2: 00007f43b0ffa000 CR3: 0000000104996003 CR4: 00000000003706e0 <4>[ 49.686777] Call Trace: <4>[ 49.689802] ? __warn+0x80/0x110 <4>[ 49.693726] ? refcount_warn_saturate+0x74/0x110 <4>[ 49.699178] ? report_bug+0x9e/0xc0 <4>[ 49.703396] ? handle_bug+0x41/0x90 <4>[ 49.707582] ? exc_invalid_op+0x14/0x70 <4>[ 49.712159] ? asm_exc_invalid_op+0x12/0x20 <4>[ 49.717128] ? refcount_warn_saturate+0x74/0x110 00000 # [ 39.706882] BUG: kernel NULL pointer dereference, ad<4>[ 49.722604] ? refcount_warn_saturate+0x74/0x110 <4>[ 49.734261] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 <4>[ 49.739516] direct_entry.cold+0x2c/0x38 dress: 0000000000000000 # [ 39.721141] #PF: supervisor instru<4>[ 49.744192] full_proxy_write+0x53/0x80 ction fetch in kernel mode # [ 39.727753] #PF: error_code(0x0<4>[ 49.754981] vfs_write+0xe7/0x3b0 010) - not-present page # [ 39.733780] PGD 0 P4D 0 # [ 39<4>[ 49.765186] ksys_write+0x68/0xf0 <4>[ 49.775410] do_syscall_64+0x30/0x40 .736896] Oops: 0010 [#11] SMP PTI # [ 39.747388] CPU: 1 PID: <4>[ 49.779701] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 49.791845] RIP: 0033:0x7f43b1106473 <4>[ 49.796127] 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>[ 49.817408] RSP: 002b:00007ffc746771e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 49.826195] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f43b1106473 <4>[ 49.834461] RDX: 0000000000000012 RSI: 00007f43b0ffa000 RDI: 0000000000000001 <4>[ 49.842726] RBP: 00007f43b0ffa000 R08: 00007f43b0ff9010 R09: 0000000000000000 <4>[ 49.850990] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 49.859255] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 49.867524] irq event stamp: 0 1795 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # <4>[ 49.871249] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 49.884755] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 49.894184] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 49.903615] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 49.910908] ---[ end trace c17c1eb82cc650de ]--- <6>[ 49.916358] lkdtm: Zero detected: saturated [ 39.756333] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 39.763430] RIP: 0010:0x0 # [ 39.766643] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. # [ 39.774613] RSP: 0018:ffffb1e202637e48 EFLAGS: 00010246 # [ 39.780729] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 39.788989] RDX: 0000000000000000 RSI: ffff9e25fac9bf50 RDI: ffff9e25fac9bf50 # [ 39.797249] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 # [ 39.805509] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 39.813769] R13: ffffb1e202637f10 R14: ffffb1e202637f10 R15: ffff9e2583270000 # [ 39.822029] FS: 00007f5db2614580(0000) GS:ffff9e25fac80000(0000) knlGS:0000000000000000 # [ 39.831357] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 39.838063] CR2: ffffffffffffffd6 CR3: 0000000103904006 CR4: 00000000003706e0 # [ 39.846324] Call Trace: # [ 39.849346] ? __die_body.cold+0x1a/0x1f # [ 39.854016] ? no_context+0x177/0x380 # [ 39.864607] ? exc_page_fault+0x53/0x170 # [ 39.869278] ? asm_exc_page_fault+0x1e/0x30 # [ 39.880453] execute_location+0x45/0x56 # [ 39.891240] direct_entry.cold+0x2c<6>[ 50.033605] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO /0x38 # [ 39.895899] full_proxy_write+0x53/0x80 # [ 39.90<6>[ 50.046073] lkdtm: attempting safe refcount_add_not_zero() from zero 0473] vfs_write+0xe7/0x3b0 # [ 39.910673] ksys_write+0x68/0<6>[ 50.059731] lkdtm: Good: zero detected xf0 # [ 39.914653] do_syscall_64+0x30/0x40 # [ 39.918923]<6>[ 50.070428] lkdtm: Correctly stayed at zero entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 39.924853] RIP<6>[ 50.081595] lkdtm: attempting bad refcount_add() from zero : 0033:0x7f5db252a473 # [ 39.929132] Code: 8b 15 21 2a 0e 00 <4>[ 50.094282] ------------[ cut here ]------------ f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 1<4>[ 50.105915] refcount_t: addition on 0; use-after-free. 8 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff <4>[ 50.118290] WARNING: CPU: 0 PID: 2317 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 39.950407<4>[ 50.134106] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore ] RSP: 002b:00007ffd9c57a798 EFLAGS: 00000246 ORIG_RAX: 00000000<4>[ 50.193100] CPU: 0 PID: 2317 Comm: cat Tainted: G D W 5.10.212-cip44 #1 00000001 # [ 39.959152] RAX: ffffffffffffffda RBX: 0000000000<4>[ 50.208231] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 00000a RCX: 00007f5db252a473 # [ 39.967413] RDX: 000000000000<4>[ 50.221565] RIP: 0010:refcount_warn_saturate+0x74/0x110 000a RSI: 00007f5db241e000 RDI: 0000000000000001 # [ 39.97567<4>[ 50.233889] Code: 02 01 e8 81 3e c4 00 0f 0b c3 cc cc cc cc 80 3d 27 cd 36 02 00 75 cb 48 c7 c7 c8 53 d7 a2 c6 05 17 cd 36 02 01 e8 5e 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d 06 cd 36 02 00 75 a8 48 c7 c7 a0 53 d7 3] RBP: 00007f5db241e000 R08: 00007f5db241d010 R09: 000000000000<4>[ 50.261409] RSP: 0018:ffffb1e202e1fe48 EFLAGS: 00010286 0000 # [ 39.983926] R10: fffffffffffffbc5 R11: 00000000000002<4>[ 50.273740] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 46 R12: 0000000000000001 # [ 39.992187] R13: 0000000000000001<4>[ 50.288257] RDX: ffff9e25fac2c620 RSI: ffff9e25fac1bf50 RDI: ffff9e25fac1bf50 R14: 0000000000020000 R15: 0000000000020000 # [ 40.000451] M<4>[ 50.302703] RBP: ffffffffa2e1a9ab R08: 0000000000000000 R09: 0000000000000000 odules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_senso<4>[ 50.317240] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 rs cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf <4>[ 50.331685] R13: ffffb1e202e1ff10 R14: ffffb1e202e1ff10 R15: ffff9e25859de000 industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec<4>[ 50.346231] FS: 00007f006488e580(0000) GS:ffff9e25fac00000(0000) knlGS:0000000000000000 _lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videob<4>[ 50.361742] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 uf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gs<4>[ 50.374691] CR2: 00007f0064698000 CR3: 0000000103f60005 CR4: 00000000003706f0 mi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_com<4>[ 50.389179] Call Trace: mon snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_h<4>[ 50.398446] ? __warn+0x80/0x110 id cros_usbpd_notify coreboot_table cros_kbd_led_backlight chrom<4>[ 50.408535] ? refcount_warn_saturate+0x74/0x110 eos_pstore # [ 40.059405] CR2: 0000000000000000 # [ 40.063<4>[ 50.420237] ? report_bug+0x9e/0xc0 392] ---[ end trace c17c1eb82cc650d0 ]--- # [ 40.068837] RIP:<4>[ 50.430624] ? handle_bug+0x41/0x90 0010:lkdtm_BUG+0x5/0x10 # [ 40.073497] Code: 89 ff e8 4e c3 <4>[ 50.441049] ? exc_invalid_op+0x14/0x70 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc c<4>[ 50.451823] ? asm_exc_invalid_op+0x12/0x20 c cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f <4>[ 50.463032] ? refcount_warn_saturate+0x74/0x110 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 78 2a 03 # [ 40.094<4>[ 50.474669] ? refcount_warn_saturate+0x74/0x110 789] RSP: 0018:ffffb1e2013efe60 EFLAGS: 00010286 # [ 40.10091<4>[ 50.486346] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 4] RAX: ffffffffa157e5f0 RBX: 0000000000000001 RCX: 000000000000<4>[ 50.497804] direct_entry.cold+0x2c/0x38 0000 # [ 40.109175] RDX: 0000000000000000 RSI: ffff9e25fad9bf<4>[ 50.508700] full_proxy_write+0x53/0x80 50 RDI: ffffffffa29942b0 # [ 40.117434] RBP: ffffffffa2e7f050<4>[ 50.519505] vfs_write+0xe7/0x3b0 R08: 0000000000000001 R09: 0000000000000001 # [ 40.125695] R<4>[ 50.529710] ksys_write+0x68/0xf0 10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004<4>[ 50.539922] do_syscall_64+0x30/0x40 # [ 40.133953] R13: ffffb1e2013eff10 R14: ffffb1e2013eff10 R<4>[ 50.550439] entry_SYSCALL_64_after_hwframe+0x62/0xc7 15: ffff9e2583921000 # [ 40.142212] FS: 00007f5db2614580(000<4>[ 50.562554] RIP: 0033:0x7f00647a4473 0) GS:ffff9e25fac80000(0000) knlGS:0000000000000000 # [ 40.15<4>[ 50.573110] 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 1540] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 4<4>[ 50.600622] RSP: 002b:00007ffe6dbfa9c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 0.158247] CR2: ffffffffffffffd6 CR3: 0000000103904006 CR4: 00000<4>[ 50.615596] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f00647a4473 000003706e0 # [ 40.166506] BUG: sleeping function called from<4>[ 50.630077] RDX: 0000000000000012 RSI: 00007f0064698000 RDI: 0000000000000001 invalid context at include/linux/percpu-rwsem.h:49 # [ 40.17<4>[ 50.644586] RBP: 00007f0064698000 R08: 00007f0064697010 R09: 0000000000000000 6707] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 179<4>[ 50.659047] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 5, name: cat # [ 40.185453] INFO: lockdep is turned off. # [<4>[ 50.673573] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 40.190119] irq event stamp: 0 # [ 40.193814] hardirqs last<4>[ 50.688061] irq event stamp: 0 enabled at (0): [<0000000000000000>] 0x0 # [ 40.201103] har<4>[ 50.697960] hardirqs last enabled at (0): [<0000000000000000>] 0x0 dirqs last disabled at (0): [] copy_process+0x<4>[ 50.711509] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 65c/0x20e0 # [ 40.210521] softirqs last enabled at (0): [[ 50.727143] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 ffffffa0afddac>] copy_process+0x65c/0x20e0 # [ 40.219947] sof<4>[ 50.742824] softirqs last disabled at (0): [<0000000000000000>] 0x0 tirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 40.2<4>[ 50.756300] ---[ end trace c17c1eb82cc650df ]--- 27237] CPU: 1 PID: 1795 Comm: cat Tainted: G D W 5.<6>[ 50.768005] lkdtm: Zero detected: saturated 10.212-cip44 #1 # [ 40.236176] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 40.243270] Call Trace: # [ 40.246289] dump_stack+0x77/0x9b # [ 40.250279] ___might_sleep.cold+0xa6/0xb6 # [ 40.261352] exit_signals+0x1c/0x300 # [ 40.265634] do_exit+0xc2/0xab0 # [ 40.269428] ? ksys_write+0x68/0xf0 # [ 40.273603] make_task_dead+0x2f/0x30 # [ 40.277980] rewind_stack_and_make_dead+0x17/0x20 # [ 40.283520] RIP: 0033:0x7f5db252a473 # [ 40.287799] 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 # [ 40.309071] RSP: 002b:00007ffd9c57a798 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 40.317816] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f5db252a473 # [ 40.326074] RDX: 000000000000000a RSI: 00007f5db241e000 RDI: 0000000000000001 # [ 40.334335] RBP: 00007f5db241e000 R08: 00007f5db241d010 R09: 0000000000000000 # [ 40.342595] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 40.350855] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_NULL: saw 'call trace:': ok ok 36 selftests: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.sh # Killed # [ 40.474540] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 40.483766] lkdtm: attempting bad read at 00007f2144eab000 # [ 40.490226] BUG: unable to handle page fault for address: 00007f2144eab000 # [ 40.504402] #PF: supervisor read access in kernel mode # [ 40.516644] #PF: error_code(0x0001) - permissions violation # [ 40.523158] PGD 80000001039c9067 P4D 80000001039c9067 PUD 106193067 PMD 102bb8067 PTE 107284067 # [ 40.539386] Oops: 0001 [#12] SMP PTI # [ 40.543666] CPU: 3 PID: 1831 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 40.552607] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 40.559697] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 40.566209] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 20 b8 e1 a2 e8 5c d7 fb ff 48 c7 c7 48 b8 e1 a2 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 43 d7 fb ff 48 89 ee 48 c7 c7 70 b8 e1 # [ 40.587478] RSP: 0018:ffffb1e2026c7e48 EFLAGS: 00010246 # [ 40.593602] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 # [ 40.601861] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffffffffa2e1b848 # [ 40.<6>[ 51.020834] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED <6>[ 51.030172] lkdtm: attempting bad refcount_inc() from saturated <4>[ 51.037108] ------------[ cut here ]------------ <4>[ 51.042555] refcount_t: saturated; leaking memory. <4>[ 51.048207] WARNING: CPU: 3 PID: 2353 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 610112] RBP: 00007f2144eab000 R08: 0000000000000000 R09: 0000000<4>[ 51.057946] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore <4>[ 51.116937] CPU: 3 PID: 2353 Comm: cat Tainted: G D W 5.10.212-cip44 #1 <4>[ 51.125883] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 000000000 # [ 40.618372] R10: 00000000ffffe000 R11: 3ffffffff<4>[ 51.132985] RIP: 0010:refcount_warn_saturate+0x51/0x110 <4>[ 51.145323] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 4b cd 36 02 00 75 ee 48 c7 c7 a0 53 d7 a2 c6 05 3b cd 36 02 01 e8 81 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d 27 cd 36 02 00 75 cb 48 c7 c7 c8 53 d7 <4>[ 51.166600] RSP: 0018:ffffb1e202edfe48 EFLAGS: 00010286 <4>[ 51.172727] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 <4>[ 51.180990] RDX: ffff9e25fadac620 RSI: ffff9e25fad9bf50 RDI: ffff9e25fad9bf50 <4>[ 51.189252] RBP: ffffffffa2e1a9bd R08: 0000000000000000 R09: 0000000000000000 <4>[ 51.197506] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 <4>[ 51.205770] R13: ffffb1e202edff10 R14: ffffb1e202edff10 R15: ffff9e2584108000 <4>[ 51.214033] FS: 00007f4b663db580(0000) GS:ffff9e25fad80000(0000) knlGS:0000000000000000 <4>[ 51.223365] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 51.230074] CR2: 00007f4b661e5000 CR3: 0000000105a04001 CR4: 00000000003706e0 <4>[ 51.238338] Call Trace: <4>[ 51.241360] ? __warn+0x80/0x110 <4>[ 51.245279] ? refcount_warn_saturate+0x51/0x110 <4>[ 51.250726] ? report_bug+0x9e/0xc0 <4>[ 51.254913] ? handle_bug+0x41/0x90 <4>[ 51.259096] ? exc_invalid_op+0x14/0x70 <4>[ 51.263669] ? asm_exc_invalid_op+0x12/0x20 <4>[ 51.268633] ? refcount_warn_saturate+0x51/0x110 <4>[ 51.274105] ? refcount_warn_saturate+0x51/0x110 <4>[ 51.279553] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 <4>[ 51.285293] direct_entry.cold+0x2c/0x38 <4>[ 51.289965] full_proxy_write+0x53/0x80 fffffff R12: 0000000000000011 # [ 40.626632] R13: ffffb1e2026<4>[ 51.294567] vfs_write+0xe7/0x3b0 c7f10 R14: ffffb1e2026c7f10 R15: ffff9e25849a5000 # [ 40.6348<4>[ 51.304773] ksys_write+0x68/0xf0 84] FS: 00007f2144e7c580(0000) GS:ffff9e25fad80000(0000) knlGS:<4>[ 51.314980] do_syscall_64+0x30/0x40 <4>[ 51.325477] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 51.331435] RIP: 0033:0x7f4b662f1473 <4>[ 51.335716] 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>[ 51.356992] RSP: 002b:00007fffa2d81598 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 51.365762] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f4b662f1473 0000000000000000 # [ 40.644210] CS: 0010 DS: 0000 ES: 0000 C<4>[ 51.374038] RDX: 0000000000000017 RSI: 00007f4b661e5000 RDI: 0000000000000001 <4>[ 51.388506] RBP: 00007f4b661e5000 R08: 00007f4b661e4010 R09: 0000000000000000 <4>[ 51.396791] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 R0: 0000000080050033 # [ 40.650916] CR2: 00007f2144eab000 CR3<4>[ 51.405054] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 51.419531] irq event stamp: 0 <4>[ 51.423252] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 51.430543] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 51.439970] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 51.449398] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 51.456690] ---[ end trace c17c1eb82cc650e0 ]--- <6>[ 51.462135] lkdtm: Saturation detected: still saturated : 000000010480a003 CR4: 00000000003706e0 # [ 40.659176] Call Trace: # [ 40.662195] ? __die_body.cold+0x1a/0x1f # [ 40.666865] ? no_context+0x177/0x380 # [ 40.671243] ? exc_page_fault+0x53/0x170 # [ 40.675913] ? asm_exc_page_fault+0x1e/0x30 # [ 40.680892] ? lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 40.686726] ? lkdtm_ACCESS_USERSPACE.cold+0x35/0xa3 # [ 40.692560] direct_entry.cold+0x2c/0x38 # [ 40.697230] full_proxy_write+0x53/0x80 # [ 40.701802] vfs_write+0xe7/0x3b0 # [ 40.705792] ksys_write+0x68/0xf0 # [ 40.709781] do_syscall_64+0x30/0x40 # [ 40.714061] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 40.719989] RIP: 0033:0x7f2144d92473 # [ 40.724268] 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 # [ 40.745531] RSP: 002b:00007fff57cfe868 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 40.754273] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f2144d92473 # [ 40.762533] RDX: 0000000000000011 RSI: 00007f2144c86000 RDI: 0000000000000001 # [ 40.770806] RBP: 00007f2144c86000 R08: 00007f2144c85010 R09: 0000000000000000 # [ 40.779066] R10: ff<6>[ 51.590848] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED <6>[ 51.599726] lkdtm: attempting bad refcount_dec() from saturated <4>[ 51.606660] ------------[ cut here ]------------ fffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ <4>[ 51.612138] refcount_t: decrement hit 0; leaking memory. 40.787325] R13: 0000000000000001 R14: 0000000000020000 R15: 00<4>[ 51.624589] WARNING: CPU: 2 PID: 2389 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 <4>[ 51.640507] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore 00000000020000 # [ 40.795590] Modules linked in: fuse ip_tabl<4>[ 51.693295] CPU: 2 PID: 2389 Comm: cat Tainted: G D W 5.10.212-cip44 #1 <4>[ 51.708443] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 51.715546] RIP: 0010:refcount_warn_saturate+0xfb/0x110 <4>[ 51.721707] Code: 50 54 d7 a2 c6 05 a7 cc 36 02 01 e8 f1 3d c4 00 0f 0b c3 cc cc cc cc 48 c7 c7 20 54 d7 a2 c6 05 8e cc 36 02 01 e8 d7 3d c4 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b <4>[ 51.743029] RSP: 0018:ffffb1e202f7fe48 EFLAGS: 00010286 <4>[ 51.749160] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 <4>[ 51.757429] RDX: ffff9e25fad2c620 RSI: ffff9e25fad1bf50 RDI: ffff9e25fad1bf50 <4>[ 51.765707] RBP: ffffffffa2e1a9d4 R08: 0000000000000000 R09: 0000000000000000 <4>[ 51.774006] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 <4>[ 51.782269] R13: ffffb1e202f7ff10 R14: ffffb1e202f7ff10 R15: ffff9e25846e1000 <4>[ 51.790536] FS: 00007f8cd8f89580(0000) GS:ffff9e25fad00000(0000) knlGS:0000000000000000 <4>[ 51.799868] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 51.806580] CR2: 00007f8cd8d93000 CR3: 00000001044a4005 CR4: 00000000003706e0 <4>[ 51.814845] Call Trace: <4>[ 51.817871] ? __warn+0x80/0x110 <4>[ 51.821798] ? refcount_warn_saturate+0xfb/0x110 <4>[ 51.827280] ? report_bug+0x9e/0xc0 <4>[ 51.831498] ? handle_bug+0x41/0x90 <4>[ 51.835717] ? exc_invalid_op+0x14/0x70 <4>[ 51.840323] ? asm_exc_invalid_op+0x12/0x20 <4>[ 51.845307] ? refcount_warn_saturate+0xfb/0x110 es cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core indust<4>[ 51.850767] ? refcount_warn_saturate+0xfb/0x110 <4>[ 51.862425] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f <4>[ 51.868165] direct_entry.cold+0x2c/0x38 <4>[ 51.872840] full_proxy_write+0x53/0x80 <4>[ 51.877445] vfs_write+0xe7/0x3b0 <4>[ 51.881463] ksys_write+0x68/0xf0 <4>[ 51.885487] do_syscall_64+0x30/0x40 rialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf<4>[ 51.889803] entry_SYSCALL_64_after_hwframe+0x62/0xc7 2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cr<4>[ 51.901950] RIP: 0033:0x7f8cd8e9f473 <4>[ 51.912446] 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 os_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cro<4>[ 51.933732] RSP: 002b:00007ffc4e911e68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 51.948683] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f8cd8e9f473 <4>[ 51.956948] RDX: 0000000000000017 RSI: 00007f8cd8d93000 RDI: 0000000000000001 <4>[ 51.965214] RBP: 00007f8cd8d93000 R08: 00007f8cd8d92010 R09: 0000000000000000 <4>[ 51.973478] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 51.981741] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 51.990008] irq event stamp: 0 <4>[ 51.993712] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 52.001005] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 52.010434] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 52.019863] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 52.027155] ---[ end trace c17c1eb82cc650e1 ]--- <6>[ 52.032601] lkdtm: Saturation detected: still saturated s_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore # [ 40.854568] CR2: 00007f2144eab000 # [ 40.858556] ---[ end trace c17c1eb82cc650d1 ]--- # [ 40.863994] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 40.868662] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 78 2a 03 # [ 40.889933] RSP: 0018:ffffb1e2013efe60 EFLAGS: 00010286 # [ 40.896056] RAX: ffffffffa157e5f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 40.904315] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffffffffa29942b0 # [ 40.912589] RBP: ffffffffa2e7f050 R08: 0000000000000001 R09: 0000000000000001 # [ 40.920853] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 40.929112] R13: ffffb1e2013eff10 R14: ffffb1e2013eff10 R15: ffff9e2583921000 # [ 40.937371] FS: 00007f2144e7c580(0000) GS:ffff9e25fad80000(0000) knlGS:0000000000000000 # [ 40.946699] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 40.953405] CR2: 00007f2144eab000 CR3: 000000010480a003 CR4: 00000000003706e0 # ACCESS_USERSPACE: saw 'call trace:': ok ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # selftests: lkdtm: ACCESS_NULL.sh # Killed # [ 41.072259] lkdtm: Performing direct entry ACCESS_NULL # [ 41.079627] lkdtm: attempting bad read at 0000000000000000 # [ 41.092269] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 41.106531] #PF: supervisor read access in kernel mode # [ 41.112557] #PF: error_code(0x0000) - not-present page # [ 41.118584] PGD 0 P4D 0 # [ 41.121700] Oops: 0000 [#13] SMP PTI # [ 41.125979] CPU: 0 PID: 1867 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 41.134918] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 41.142017] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 41.147565] Code: 00 d7 fb ff be 00 10 00 00 48 89 ef e8 79 10 0c ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 20 b8 e1 a2 e8 da d6 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 48 b8 e1 a2 48 01 # [ 41.168835] RSP: 0018:ffffb1e202757e58 EFLAGS: 00010246 # [ 41.174949] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 # [ 41.183207] RDX: 0000000000000000 RSI: ffff9e25fac1bf50 RDI: ffff9e25fac1bf50 # [ 41.191466] RBP: ffffffffa2e1a911 R08: 0000000000000000 R09: 0000000000000000 # [ 41.199725] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 41.207984] R13: ffffb1e202757f10 R14: ffffb1e202757f10 R15: ffff9e25869f6000 # [ 41.216244] FS: 00007f1604184580(0000) GS:ffff9e25fac00000(0000) knlGS:0000000000000000 # [ 41.225572] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 41.232277] CR2: 0000000000000000 CR3: 0000000103c84006 CR4: 00000000003706f0 # [ 41.240536] Call Trace: # [ 41.243556] ? __die_body.cold+0x1a/0x1f # [ 41.248231] ? no_context+0x177/0x380 # [ 41.252616] ? exc_page_fault+0x53/0x170 # [ 41.257290] ? asm_exc_page_fault+0x1e/0x30 # [ 41.262251] ? lkdtm_ACCESS_NULL+0x14/0x53 # [ 41.267119] ? lkdtm_ACCESS_NULL+0x14/0x53 # [ 41.271981] direct_entry.cold+0x2c/0x38 # [ 41.276642] full_proxy_write+0x53/0x80 # [ 41.281219] vfs_write+0xe7/0x3b0 # [ 41.285213] ksys_write+0x68/0xf0 # [ 41.289202] do_syscall_64+0x30/0x40 # [ 41.293481] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 41.299404] RIP: 0033:0x7f160409a473 # [ 41.303684] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 41.324955] RSP: 002b:00007ffdcc7a8b68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 41.333701] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f160409a473 # [ 41.341959] RDX: 000000000000000c RSI: 00007f1603f8e000 RDI: 0000000000000001 # [ 41.350218] RBP: 00007f1603f8e000 R08: 00007f1603f8d010 R09: 0000000000000000 # [ 41.358479] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 41.366737] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 41.375001] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore # [ 41.427765] CR2: 0000000000000000 # [ 41.431754] ---[ end trace c17c1eb82cc650d2 ]--- # [ 41.437192] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 41.441860] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 78 2a 03 # [ 41.463123] <6>[ 52.565828] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED <6>[ 52.573753] lkdtm: attempting bad refcount_dec() from saturated <4>[ 52.580665] ------------[ cut here ]------------ <4>[ 52.586113] refcount_t: saturated; leaking memory. <4>[ 52.591767] WARNING: CPU: 3 PID: 2425 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 RSP: 0018:ffffb1e2013efe60 EFLAGS: 00010286 # [ 41.469238] RA<4>[ 52.601495] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore <4>[ 52.660490] CPU: 3 PID: 2425 Comm: cat Tainted: G D W 5.10.212-cip44 #1 <4>[ 52.669447] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 52.676546] RIP: 0010:refcount_warn_saturate+0x51/0x110 <4>[ 52.682672] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 4b cd 36 02 00 75 ee 48 c7 c7 a0 53 d7 a2 c6 05 3b cd 36 02 01 e8 81 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d 27 cd 36 02 00 75 cb 48 c7 c7 c8 53 d7 <4>[ 52.703947] RSP: 0018:ffffb1e20301fe48 EFLAGS: 00010286 <4>[ 52.710073] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 <4>[ 52.718336] RDX: ffff9e25fadac620 RSI: ffff9e25fad9bf50 RDI: ffff9e25fad9bf50 <4>[ 52.726599] RBP: ffffffffa2e1a9eb R08: 0000000000000000 R09: 0000000000000000 <4>[ 52.734860] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 <4>[ 52.743114] R13: ffffb1e20301ff10 R14: ffffb1e20301ff10 R15: ffff9e25844c1000 <4>[ 52.751378] FS: 00007fd7d74d7580(0000) GS:ffff9e25fad80000(0000) knlGS:0000000000000000 <4>[ 52.760707] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 52.767417] CR2: 00007fd7d72e1000 CR3: 0000000106340003 CR4: 00000000003706e0 <4>[ 52.775677] Call Trace: <4>[ 52.778699] ? __warn+0x80/0x110 <4>[ 52.782617] ? refcount_warn_saturate+0x51/0x110 <4>[ 52.788066] ? report_bug+0x9e/0xc0 <4>[ 52.792253] ? handle_bug+0x41/0x90 <4>[ 52.796461] ? exc_invalid_op+0x14/0x70 <4>[ 52.801035] ? asm_exc_invalid_op+0x12/0x20 <4>[ 52.806000] ? refcount_warn_saturate+0x51/0x110 <4>[ 52.811469] ? refcount_warn_saturate+0x51/0x110 <4>[ 52.816916] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 <4>[ 52.822654] direct_entry.cold+0x2c/0x38 <4>[ 52.827345] full_proxy_write+0x53/0x80 <4>[ 52.831922] vfs_write+0xe7/0x3b0 X: ffffffffa157e5f0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 52.835940] ksys_write+0x68/0xf0 # [ 41.477496] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RD<4>[ 52.846145] do_syscall_64+0x30/0x40 I: ffffffffa29942b0 # [ 41.485747] RBP: ffffffffa2e7f050 R08:<4>[ 52.856643] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 52.868790] RIP: 0033:0x7fd7d73ed473 <4>[ 52.873071] 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>[ 52.894346] RSP: 002b:00007ffe64732348 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 52.903096] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fd7d73ed473 <4>[ 52.911378] RDX: 0000000000000017 RSI: 00007fd7d72e1000 RDI: 0000000000000001 0000000000000001 R09: 0000000000000001 # [ 41.494006] R10: 0<4>[ 52.919671] RBP: 00007fd7d72e1000 R08: 00007fd7d72e0010 R09: 0000000000000000 <4>[ 52.934140] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 52.942403] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 52.950671] irq event stamp: 0 <4>[ 52.954393] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 52.961686] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 52.971116] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 52.980546] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 52.987837] ---[ end trace c17c1eb82cc650e2 ]--- <6>[ 52.993299] lkdtm: Saturation detected: still saturated 0000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 41.502266] R13: ffffb1e2013eff10 R14: ffffb1e2013eff10 R15: ffff9e2583921000 # [ 41.510525] FS: 00007f1604184580(0000) GS:ffff9e25fac00000(0000) knlGS:0000000000000000 # [ 41.519852] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 41.526559] CR2: 0000000000000000 CR3: 0000000103c84006 CR4: 00000000003706f0 # [ 41.534817] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 41.545021] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1867, name: cat # [ 41.553755] INFO: lockdep is turned off. # [ 41.558421] irq event stamp: 0 # [ 41.562118] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 41.569406] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 41.578831] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 41.588255] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 41.595546] CPU: 0 PID: 1867 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 41.604484] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 41.611578] Call Trace: # [ 41.614596] dump_stack+0x77/0x9b # [ 41.618592] ___might_sleep.cold+<6>[ 53.117547] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED 0xa6/0xb6 # [ 41.623457] exit_signals+0x1c/0x300 # [ 41.6<6>[ 53.131740] lkdtm: attempting bad refcount_inc_not_zero() from saturated 27742] do_exit+0xc2/0xab0 # [ 41.631537] ? ksys_write+0x68/<4>[ 53.145736] ------------[ cut here ]------------ 0xf0 # [ 41.635711] make_task_dead+0x2f/0x30 # [ 41.64008<4>[ 53.157419] refcount_t: saturated; leaking memory. 8] rewind_stack_and_make_dead+0x17/0x20 # [ 41.645620] RIP: <4>[ 53.169396] WARNING: CPU: 0 PID: 2458 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 0033:0x7f160409a473 # [ 41.649900] Code: 8b 15 21 2a 0e 00 f7<4>[ 53.185249] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 <4>[ 53.244308] CPU: 0 PID: 2458 Comm: cat Tainted: G D W 5.10.212-cip44 #1 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77<4>[ 53.259430] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 41.671161] <4>[ 53.272773] RIP: 0010:refcount_warn_saturate+0x97/0x110 RSP: 002b:00007ffdcc7a8b68 EFLAGS: 00000246 ORIG_RAX: 0000000000<4>[ 53.285138] Code: 02 01 e8 5e 3e c4 00 0f 0b c3 cc cc cc cc 80 3d 06 cd 36 02 00 75 a8 48 c7 c7 a0 53 d7 a2 c6 05 f6 cc 36 02 01 e8 3b 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d e0 cc 36 02 00 75 85 48 c7 c7 f8 53 d7 000001 # [ 41.679907] RAX: ffffffffffffffda RBX: 000000000000<4>[ 53.312604] RSP: 0018:ffffb1e2030afe38 EFLAGS: 00010282 000c RCX: 00007f160409a473 # [ 41.688165] RDX: 00000000000000<4>[ 53.324997] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 0c RSI: 00007f1603f8e000 RDI: 0000000000000001 # [ 41.696425]<4>[ 53.339455] RDX: ffff9e25fac2c620 RSI: ffff9e25fac1bf50 RDI: ffff9e25fac1bf50 RBP: 00007f1603f8e000 R08: 00007f1603f8d010 R09: 00000000000000<4>[ 53.353984] RBP: ffffffffa2e1a618 R08: 0000000000000000 R09: 0000000000000000 00 # [ 41.704676] R10: fffffffffffffbc5 R11: 0000000000000246<4>[ 53.368447] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 R12: 0000000000000001 # [ 41.712935] R13: 0000000000000001 R<4>[ 53.382978] R13: ffffb1e2030aff10 R14: ffffb1e2030aff10 R15: ffff9e258477e000 14: 0000000000020000 R15: 0000000000020000 # ACCESS_NULL: saw '<4>[ 53.397439] FS: 00007f1babb81580(0000) GS:ffff9e25fac00000(0000) knlGS:0000000000000000 call trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # self<4>[ 53.413038] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 tests: lkdtm: WRITE_RO.sh # Killed # [ 41.876967] lkdtm: Per<4>[ 53.425943] CR2: 00007f1bab98b000 CR3: 00000001031f6005 CR4: 00000000003706f0 forming direct entry WRITE_RO # [ 41.888543] lkdtm: attemptin<4>[ 53.440482] Call Trace: g bad rodata write at ffffffffa2994730 # [ 41.895766] BUG: un<4>[ 53.449692] ? __warn+0x80/0x110 able to handle page fault for address: ffffffffa2994730 # [ 4<4>[ 53.459851] ? refcount_warn_saturate+0x97/0x110 1.903739] #PF: supervisor write access in kernel mode # [ 41.<4>[ 53.471476] ? report_bug+0x9e/0xc0 909865] #PF: error_code(0x0003) - permissions violation # [ 4<4>[ 53.481926] ? handle_bug+0x41/0x90 1.916376] PGD 21e29067 P4D 21e29067 PUD 21e2a063 PMD 80000000216<4>[ 53.492308] ? exc_invalid_op+0x14/0x70 000e1 # [ 41.924155] Oops: 0003 [#14] SMP PTI # [ 41.9346<4>[ 53.503143] ? asm_exc_invalid_op+0x12/0x20 47] CPU: 2 PID: 1903 Comm: cat Tainted: G D W 5.10.<4>[ 53.514307] ? refcount_warn_saturate+0x97/0x110 212-cip44 #1 # [ 41.943588] Hardware name: Google Rammus/Ramm<4>[ 53.526007] ? refcount_warn_saturate+0x97/0x110 us, BIOS 09/04/2020 # [ 41.950679] RIP: 0010:lkdtm_WRITE_RO+<4>[ 53.537658] __refcount_add_not_zero.constprop.0+0x2a/0x35 0x2e/0x3a # [ 41.962145] Code: 00 48 c7 c7 00 b7 e1 a2 48 c7 <4>[ 53.550325] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 c6 30 47 99 a2 e8 84 d9 fb ff 48 8b 05 43 e0 d4 00 ba 34 12 cd a<4>[ 53.563151] direct_entry.cold+0x2c/0x38 b 48 c7 c7 30 b7 e1 a2 48 31 d0 <48> 89 05 2d e0 d4 00 e9 62 d9 <4>[ 53.574072] full_proxy_write+0x53/0x80 fb ff 0f 1f 44 00 00 48 8b 05 3c ac # [ 41.983418] RSP: 0018:<4>[ 53.584852] vfs_write+0xe7/0x3b0 ffffb1e20280fe60 EFLAGS: 00010202 # [ 41.989542] RAX: 0000000<4>[ 53.595085] ksys_write+0x68/0xf0 00198b861 RBX: 0000000000000028 RCX: 0000000000000000 # [ 41.<4>[ 53.605286] do_syscall_64+0x30/0x40 997802] RDX: 00000000abcd1234 RSI: ffff9e25fad1bf50 RDI: fffffff<4>[ 53.615771] entry_SYSCALL_64_after_hwframe+0x62/0xc7 fa2e1b730 # [ 42.006061] RBP: ffffffffa2e1a91d R08: 000000000<4>[ 53.627972] RIP: 0033:0x7f1baba97473 0000000 R09: 0000000000000000 # [ 42.014321] R10: 00000000fff<4>[ 53.638458] 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: 0000000000000009 # [ 42.0225<4>[ 53.665985] RSP: 002b:00007ffc00240fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 81] R13: ffffb1e20280ff10 R14: ffffb1e20280ff10 R15: ffff9e25859<4>[ 53.680904] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f1baba97473 53000 # [ 42.030842] FS: 00007f6cc7d69580(0000) GS:ffff9e25f<4>[ 53.695424] RDX: 0000000000000020 RSI: 00007f1bab98b000 RDI: 0000000000000001 <4>[ 53.709891] RBP: 00007f1bab98b000 R08: 00007f1bab98a010 R09: 0000000000000000 ad00000(0000) knlGS:0000000000000000 # [ 42.040170] CS: 0010<4>[ 53.718199] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 42.046875] CR2: <4>[ 53.732688] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ffffffffa2994730 CR3: 00000001044de004 CR4: 00000000003706e0 # <4>[ 53.747163] irq event stamp: 0 [ 42.055138] Call Trace: # [ 42.058158] ? __die_body.cold+<4>[ 53.757090] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0x1a/0x1f # [ 42.062828] ? no_context+0x177/0x380 # [ 42.<4>[ 53.770581] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 067208] ? exc_page_fault+0xd7/0x170 # [ 42.071876] ? asm_ex<4>[ 53.786227] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 c_page_fault+0x1e/0x30 # [ 42.076829] ? lkdtm_WRITE_RO+0x2e/<4>[ 53.801912] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 53.815383] ---[ end trace c17c1eb82cc650e3 ]--- 0x3a # [ 42.081401] direct_entry.cold+0x2c/0x38 # [ 42.08<6>[ 53.820860] lkdtm: Saturation detected: still saturated 6071] full_proxy_write+0x53/0x80 # [ 42.090643] vfs_write+0xe7/0x3b0 # [ 42.094631] ksys_write+0x68/0xf0 # [ 42.098619] do_syscall_64+0x30/0x40 # [ 42.102889] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 42.108819] RIP: 0033:0x7f6cc7c7f473 # [ 42.113098] 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 # [ 42.134369] RSP: 002b:00007ffeec405178 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 42.143114] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f6cc7c7f473 # [ 42.151375] RDX: 0000000000000009 RSI: 00007f6cc7b73000 RDI: 0000000000000001 # [ 42.159633] RBP: 00007f6cc7b73000 R08: 00007f6cc7b72010 R09: 0000000000000000 # [ 42.167894] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 42.176152] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 42.184414] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore # [ 42.243401] CR2: ffffffffa2994730 # [ 42.247380] ---[ end trace c17c1eb82cc650d3 ]--- # [ 42.252825] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 42.257493] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 78 2a 03 # [ 42.278764] RSP: 0018:ffffb1e2013efe60 EFLAGS: 00010286 # [ 42.284887] RAX: ffffffffa157e5f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 42.293147] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffffffffa29942b0 # [ 42.301407] RBP: ffffffffa2e7f050 R08: 0000000000000001 R09: 0000000000000001 # [ 42.309667] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 42.317927] R13: ffffb1e2013eff10 R14: ffffb1e2013eff10 R15: ffff9e2583921000 # [ 42.326187] FS: 00007f6cc7d69580(0000) GS:ffff9e25fad00000(0000) knlGS:0000000000000000 # [ 42.335515] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 42.342221] CR2: ffffffffa2994730 CR3: 00000001044de004 CR4: 00000000003706e0 # WRITE_RO: saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # Killed # [ 42.531097] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 42.543801] lkdtm: attempting bad ro_after_init write at ffffffffa2ea1350 # [ 42.551733] BUG: unable to handle page fault for address: ffffffffa2ea1350 # [ 42.559712] #PF: supervisor write access in kernel mode # [ 42.572049] #PF: error_code(0x0003) - permissions violation # [ 42.578562] PGD 21e29067 P4D<6>[ 54.136779] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED 21e29067 PUD 21e2a063 PMD 104ec0063 PTE 8000000021ca1061 # [ <6>[ 54.149349] lkdtm: attempting bad refcount_add_not_zero() from saturated 42.587603] Oops: 0003 [#15] SMP PTI # [ 42.591873] CPU: 2 PI<4>[ 54.163359] ------------[ cut here ]------------ D: 1939 Comm: cat Tainted: G D W 5.10.212-cip44 #1 <4>[ 54.175025] refcount_t: saturated; leaking memory. # [ 42.600813] Hardware name: Google Rammus/Rammus, BIOS 09/<4>[ 54.186911] WARNING: CPU: 0 PID: 2491 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 04/2020 # [ 42.607912] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x<4>[ 54.202840] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore 4e/0x5a # [ 42.614231] Code: b7 e1 a2 e9 36 d9 fb ff 48 c7 c7<4>[ 54.261807] CPU: 0 PID: 2491 Comm: cat Tainted: G D W 5.10.212-cip44 #1 88 b7 e1 a2 e8 2a d9 fb ff 48 8b 05 09 ac 25 01 ba 34 12 cd ab <4>[ 54.276986] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 48 c7 c7 30 b7 e1 a2 48 31 d0 <48> 89 05 f3 ab 25 01 e9 08 d9 fb<4>[ 54.290323] RIP: 0010:refcount_warn_saturate+0x97/0x110 ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 42.635503] RSP: 0018:ff<4>[ 54.302652] Code: 02 01 e8 5e 3e c4 00 0f 0b c3 cc cc cc cc 80 3d 06 cd 36 02 00 75 a8 48 c7 c7 a0 53 d7 a2 c6 05 f6 cc 36 02 01 e8 3b 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d e0 cc 36 02 00 75 85 48 c7 c7 f8 53 d7 ffb1e202877e60 EFLAGS: 00010202 # [ 42.641626] RAX: 00000000f<4>[ 54.330184] RSP: 0018:ffffb1e203137e38 EFLAGS: 00010282 e67479e RBX: 0000000000000029 RCX: 0000000000000000 # [ 42.64<4>[ 54.342514] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 9887] RDX: 00000000abcd1234 RSI: ffff9e25fad1bf50 RDI: ffffffffa<4>[ 54.357051] RDX: ffff9e25fac2c620 RSI: ffff9e25fac1bf50 RDI: ffff9e25fac1bf50 2e1b730 # [ 42.658146] RBP: ffffffffa2e1a926 R08: 00000000000<4>[ 54.371518] RBP: ffffffffa2e1a638 R08: 0000000000000000 R09: 0000000000000000 00000 R09: 0000000000000000 # [ 42.666406] R10: 00000000ffffe<4>[ 54.386040] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 000 R11: 3fffffffffffffff R12: 0000000000000014 # [ 42.674667<4>[ 54.400508] R13: ffffb1e203137f10 R14: ffffb1e203137f10 R15: ffff9e25868fb000 ] R13: ffffb1e202877f10 R14: ffffb1e202877f10 R15: ffff9e2584139<4>[ 54.415035] FS: 00007f6dafa51580(0000) GS:ffff9e25fac00000(0000) knlGS:0000000000000000 000 # [ 42.682927] FS: 00007f314019a580(0000) GS:ffff9e25fad<4>[ 54.430547] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 00000(0000) knlGS:0000000000000000 # [ 42.692254] CS: 0010 D<4>[ 54.443505] CR2: 00007f6daf85b000 CR3: 00000001069a4001 CR4: 00000000003706f0 S: 0000 ES: 0000 CR0: 0000000080050033 # [ 42.698963] CR2: ff<4>[ 54.458012] Call Trace: ffffffa2ea1350 CR3: 00000001045f8005 CR4: 00000000003706e0 # [ <4>[ 54.467221] ? __warn+0x80/0x110 42.707222] Call Trace: # [ 42.710242] ? __die_body.cold+0x<4>[ 54.477350] ? refcount_warn_saturate+0x97/0x110 1a/0x1f # [ 42.714911] ? no_context+0x177/0x380 # [ 42.71<4>[ 54.489006] ? report_bug+0x9e/0xc0 9290] ? exc_page_fault+0xd7/0x170 # [ 42.723960] ? asm_exc_<4>[ 54.499439] ? handle_bug+0x41/0x90 page_fault+0x1e/0x30 # [ 42.728921] ? lkdtm_WRITE_RO_AFTER_I<4>[ 54.509805] ? exc_invalid_op+0x14/0x70 NIT+0x4e/0x5a # [ 42.734562] direct_entry.cold+0x2c/0x38 # <4>[ 54.520596] ? asm_exc_invalid_op+0x12/0x20 [ 42.739230] full_proxy_write+0x53/0x80 # [ 42.743804] vf<4>[ 54.531767] ? refcount_warn_saturate+0x97/0x110 s_write+0xe7/0x3b0 # [ 42.747792] ksys_write+0x68/0xf0 # [ <4>[ 54.543441] ? refcount_warn_saturate+0x97/0x110 42.751780] do_syscall_64+0x30/0x40 # [ 42.756060] entry_S<4>[ 54.555084] __refcount_add_not_zero.constprop.0+0x2a/0x35 YSCALL_64_after_hwframe+0x62/0xc7 # [ 42.761982] RIP: 0033:0x<4>[ 54.567729] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 7f31400b0473 # [ 42.766260] Code: 8b 15 21 2a 0e 00 f7 d8 64 <4>[ 54.580543] direct_entry.cold+0x2c/0x38 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 0<4>[ 54.591445] full_proxy_write+0x53/0x80 0 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 <4>[ 54.602218] vfs_write+0xe7/0x3b0 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 42.787533] RSP: 00<4>[ 54.612447] ksys_write+0x68/0xf0 2b:00007ffe2b4bf8c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 54.622637] do_syscall_64+0x30/0x40 # [ 42.796280] RAX: ffffffffffffffda RBX: 0000000000000014 RC<4>[ 54.633145] entry_SYSCALL_64_after_hwframe+0x62/0xc7 X: 00007f31400b0473 # [ 42.804539] RDX: 0000000000000014 RSI:<4>[ 54.645282] RIP: 0033:0x7f6daf967473 00007f313ffa4000 RDI: 0000000000000001 # [ 42.812798] RBP: 0<4>[ 54.655793] 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 0007f313ffa4000 R08: 00007f313ffa3010 R09: 0000000000000000 # [<4>[ 54.683269] RSP: 002b:00007ffdc45a7ce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 42.821058] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0<4>[ 54.698260] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f6daf967473 000000000000001 # [ 42.829320] R13: 0000000000000001 R14: 000<4>[ 54.712721] RDX: 0000000000000020 RSI: 00007f6daf85b000 RDI: 0000000000000001 0000000020000 R15: 0000000000020000 # [ 42.837582] Modules li<4>[ 54.727211] RBP: 00007f6daf85b000 R08: 00007f6daf85a010 R09: 0000000000000000 nked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_e<4>[ 54.741682] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 c_sensors_core industrialio_triggered_buffer kfifo_buf industria<4>[ 54.756177] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 lio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar<4>[ 54.770651] irq event stamp: 0 cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 <4>[ 54.780579] hardirqs last enabled at (0): [<0000000000000000>] 0x0 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_e<4>[ 54.794069] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 c_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_s<4>[ 54.809733] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 oc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_u<4>[ 54.825365] softirqs last disabled at (0): [<0000000000000000>] 0x0 sbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstor<4>[ 54.838849] ---[ end trace c17c1eb82cc650e4 ]--- e # [ 42.896571] CR2: ffffffffa2ea1350 # [ 42.900558] ---[<6>[ 54.850543] lkdtm: Saturation detected: still saturated end trace c17c1eb82cc650d4 ]--- # [ 42.906003] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 42.910671] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 78 2a 03 # [ 42.931944] RSP: 0018:ffffb1e2013efe60 EFLAGS: 00010286 # [ 42.938067] RAX: ffffffffa157e5f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 42.946326] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffffffffa29942b0 # [ 42.954602] RBP: ffffffffa2e7f050 R08: 0000000000000001 R09: 0000000000000001 # [ 42.962862] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 42.971123] R13: ffffb1e2013eff10 R14: ffffb1e2013eff10 R15: ffff9e2583921000 # [ 42.979385] FS: 00007f314019a580(0000) GS:ffff9e25fad00000(0000) knlGS:0000000000000000 # [ 42.988714] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 42.995418] CR2: ffffffffa2ea1350 CR3: 00000001045f8005 CR4: 00000000003706e0 # [ 43.003678] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 43.013882] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1939, name: cat # [ 43.022628] INFO: lockdep is turned off. # [ 43.027295] irq event stamp: 0 # [ 43.031003] hardirqs last enabled<6>[ 54.989662] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED <6>[ 55.001366] lkdtm: attempting bad refcount_dec_and_test() from saturated <4>[ 55.009169] ------------[ cut here ]------------ <4>[ 55.014644] refcount_t: underflow; use-after-free. <4>[ 55.020316] WARNING: CPU: 2 PID: 2527 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 <4>[ 55.030047] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore at (0): [<0000000000000000>] 0x0 # [ 43.038294] hardirqs las<4>[ 55.082835] CPU: 2 PID: 2527 Comm: cat Tainted: G D W 5.10.212-cip44 #1 <4>[ 55.097987] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 55.105087] RIP: 0010:refcount_warn_saturate+0xba/0x110 <4>[ 55.111217] Code: 02 01 e8 3b 3e c4 00 0f 0b c3 cc cc cc cc 80 3d e0 cc 36 02 00 75 85 48 c7 c7 f8 53 d7 a2 c6 05 d0 cc 36 02 01 e8 18 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d bb cc 36 02 00 0f 85 5e ff ff ff 48 c7 <4>[ 55.132496] RSP: 0018:ffffb1e2031bfe40 EFLAGS: 00010286 t disabled at (0): [] copy_process+0x65c/0x20e<4>[ 55.138651] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 0 # [ 43.047720] softirqs last enabled at (0): [[ 55.153133] RDX: ffff9e25fad2c620 RSI: ffff9e25fad1bf50 RDI: ffff9e25fad1bf50 fddac>] copy_process+0x65c/0x20e0 # [ 43.057145] softirqs las<4>[ 55.167610] RBP: ffffffffa2e1a658 R08: 0000000000000000 R09: 0000000000000000 <4>[ 55.182091] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 <4>[ 55.190352] R13: ffffb1e2031bff10 R14: ffffb1e2031bff10 R15: ffff9e2586395000 <4>[ 55.198606] FS: 00007f3e04926580(0000) GS:ffff9e25fad00000(0000) knlGS:0000000000000000 <4>[ 55.207936] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 55.214651] CR2: 00007f3e04730000 CR3: 0000000106314002 CR4: 00000000003706e0 <4>[ 55.222949] Call Trace: t disabled at (0): [<0000000000000000>] 0x0 # [ 43.064434] CP<4>[ 55.225998] ? __warn+0x80/0x110 <4>[ 55.236100] ? refcount_warn_saturate+0xba/0x110 <4>[ 55.241548] ? report_bug+0x9e/0xc0 <4>[ 55.245736] ? handle_bug+0x41/0x90 <4>[ 55.249950] ? exc_invalid_op+0x14/0x70 <4>[ 55.254524] ? asm_exc_invalid_op+0x12/0x20 <4>[ 55.259490] ? refcount_warn_saturate+0xba/0x110 <4>[ 55.264970] __refcount_sub_and_test.constprop.0+0x3c/0x50 <4>[ 55.271388] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 <4>[ 55.278002] direct_entry.cold+0x2c/0x38 <4>[ 55.282675] full_proxy_write+0x53/0x80 <4>[ 55.287249] vfs_write+0xe7/0x3b0 <4>[ 55.291240] ksys_write+0x68/0xf0 <4>[ 55.295232] do_syscall_64+0x30/0x40 <4>[ 55.299515] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 55.305448] RIP: 0033:0x7f3e0483c473 <4>[ 55.309746] 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 U: 2 PID: 1939 Comm: cat Tainted: G D W 5.10.212-ci<4>[ 55.331033] RSP: 002b:00007ffd8db6cf78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 55.345994] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f3e0483c473 <4>[ 55.354257] RDX: 0000000000000020 RSI: 00007f3e04730000 RDI: 0000000000000001 <4>[ 55.362511] RBP: 00007f3e04730000 R08: 00007f3e0472f010 R09: 0000000000000000 <4>[ 55.370773] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 55.379027] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 55.387293] irq event stamp: 0 <4>[ 55.391018] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 55.398309] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 p44 #1 # [ 43.073374] Hardware name: Google Rammus/Rammus, BI<4>[ 55.407739] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 55.423384] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 55.430679] ---[ end trace c17c1eb82cc650e5 ]--- OS 09/04/2020 # [ 43.080470] Call Trace: # [ 43.083489] <6>[ 55.436126] lkdtm: Saturation detected: still saturated dump_stack+0x77/0x9b # [ 43.087477] ___might_sleep.cold+0xa6/0xb6 # [ 43.092342] exit_signals+0x1c/0x300 # [ 43.096621] do_exit+0xc2/0xab0 # [ 43.100416] ? ksys_write+0x68/0xf0 # [ 43.104588] make_task_dead+0x2f/0x30 # [ 43.108984] rewind_stack_and_make_dead+0x17/0x20 # [ 43.114543] RIP: 0033:0x7f31400b0473 # [ 43.118825] 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 # [ 43.140090] RSP: 002b:00007ffe2b4bf8c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 43.148838] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f31400b0473 # [ 43.157100] RDX: 0000000000000014 RSI: 00007f313ffa4000 RDI: 0000000000000001 # [ 43.165359] RBP: 00007f313ffa4000 R08: 00007f313ffa3010 R09: 0000000000000000 # [ 43.173620] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 43.181882] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # WRITE_RO_AFTER_INIT: saw 'call trace:': ok ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh # Killed # [ 43.338283] lkdtm: Performing direct entry WRITE_KERN # [ 43.345314] lkdtm: attempting bad 7109799 byte write at ffffffffa1c46667 # [ 43.353131] BUG: unable to handle page fault for address: ffffffffa1c46667 # [ 43.361111] #PF: supervisor write access in kernel mode # [ 43.367238] #PF: error_code(0x0003) - permissions violation # [ 43.373750] PGD 21e29067 P4D 21e29067 PUD 21e2a063 PMD 20a000e1 # [ 43.386969] Oops: 0003 [#16] SMP PTI # [ 43.391252] CPU: 2 PID: 1975 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 43.400194] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 43.407293] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 43.418955] Code: 53 48 c7 c3 67 66 c4 a1 49 89 dc 48 89 da 49 81 ec c0 e9 57 a1 4c 89 e6 e8 dd d8 fb ff 48 89 df 4c 89 e1 48 c7 c6 c0 e9 57 a1 a4 48 c7 c7 30 b7 e1 a2 e8 c2 d8 fb ff 5b 41 5c e9 b7 fe ff ff # [ 43.440228] RSP: 0018:ffffb1e202907e50 EFLAGS: 00010246 # [ 43.446353] RAX: 000000000000003c RBX: ffffffffa1c46667 RCX: 00000000006c7ca7 # [ 43.454613] RDX: 0000000000000000 RSI: ffffffffa157e9c0 RDI: ffffffffa1c46667 # [ 43.462874] RBP: ffffffffa2e1a93a R08: 0000000000000000 R09: 0000000000000000 # [ 43.471135] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000006c7ca7 # [ 43.479394] R13: ffffb1e202907f10 R14: ffffb1e202907f10 R15: ffff9e2583245000 # [ 43.487653] FS: 00007f5655a68580(0000) GS:ffff9e25fad00000(0000) knlGS:0000000000000000 # [ 43.496982] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 43.503689] CR2: ffffffffa1c46667 CR3: 0000000105b02002 CR4: 00000000003706e0 # [ 43.511948] Call Trace: # [ 43.514968] ? __die_body.cold+0x1a/0x1f # [ 43.519639] ? no_context+0x177/0x380 # [ 43.524018] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 43.529754] ? exc_page_fault+0xd7/0x170 # [ 43.534425]<6>[ 55.748158] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED ? asm_exc_page_fault+0x1e/0x30 # [ 43.539386] ? lkdtm_SLAB<6>[ 55.759135] lkdtm: attempting bad refcount_sub_and_test() from saturated _FREE_CROSS.cold+0x32/0x32 # [ 43.545124] ? lkdtm_SLAB_FREE_<4>[ 55.773122] ------------[ cut here ]------------ PAGE+0x40/0x40 # [ 43.550276] ? lkdtm_SLAB_FREE_CROSS.cold+0<4>[ 55.784777] refcount_t: underflow; use-after-free. x32/0x32 # [ 43.556012] ? lkdtm_WRITE_KERN+0x38/0x4e # [ <4>[ 55.796702] WARNING: CPU: 0 PID: 2563 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 43.560778] direct_entry.cold+0x2c/0x38 # [ 43.565448] full_<4>[ 55.812635] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore proxy_write+0x53/0x80 # [ 43.570020] vfs_write+0xe7/0x3b0 #<4>[ 55.871592] CPU: 0 PID: 2563 Comm: cat Tainted: G D W 5.10.212-cip44 #1 [ 43.574009] ksys_write+0x68/0xf0 # [ 43.577987] do_sysc<4>[ 55.886750] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 all_64+0x30/0x40 # [ 43.582267] entry_SYSCALL_64_after_hwfra<4>[ 55.900075] RIP: 0010:refcount_warn_saturate+0xba/0x110 me+0x62/0xc7 # [ 43.588199] RIP: 0033:0x7f565597e473 # [ 4<4>[ 55.912435] Code: 02 01 e8 3b 3e c4 00 0f 0b c3 cc cc cc cc 80 3d e0 cc 36 02 00 75 85 48 c7 c7 f8 53 d7 a2 c6 05 d0 cc 36 02 01 e8 18 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d bb cc 36 02 00 0f 85 5e ff ff ff 48 c7 3.592479] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff <4>[ 55.939933] RSP: 0018:ffffb1e20324fe40 EFLAGS: 00010286 ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 0<4>[ 55.952275] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 0 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec <4>[ 55.966763] RDX: ffff9e25fac2c620 RSI: ffff9e25fac1bf50 RDI: ffff9e25fac1bf50 28 48 89 54 24 18 # [ 43.613742] RSP: 002b:00007fff378fe938 E<4>[ 55.981240] RBP: ffffffffa2e1a678 R08: 0000000000000000 R09: 0000000000000000 FLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 43.622488] RAX<4>[ 55.995725] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 : ffffffffffffffda RBX: 000000000000000b RCX: 00007f565597e473 <4>[ 56.010228] R13: ffffb1e20324ff10 R14: ffffb1e20324ff10 R15: ffff9e2583edd000 # [ 43.630747] RDX: 000000000000000b RSI: 00007f5655872000 RDI<4>[ 56.024674] FS: 00007f211d0c1580(0000) GS:ffff9e25fac00000(0000) knlGS:0000000000000000 : 0000000000000001 # [ 43.639008] RBP: 00007f5655872000 R08: <4>[ 56.040281] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 00007f5655871010 R09: 0000000000000000 # [ 43.647267] R10: ff<4>[ 56.053277] CR2: 00007f211cecb000 CR3: 00000001043ec003 CR4: 00000000003706f0 fffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ <4>[ 56.067713] Call Trace: 43.655525] R13: 0000000000000001 R14: 0000000000020000 R15: 00<4>[ 56.077050] ? __warn+0x80/0x110 00000000020000 # [ 43.663788] Modules linked in: fuse ip_tabl<4>[ 56.087159] ? refcount_warn_saturate+0xba/0x110 es cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core indust<4>[ 56.098834] ? report_bug+0x9e/0xc0 rialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf<4>[ 56.109231] ? handle_bug+0x41/0x90 2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cr<4>[ 56.119655] ? exc_invalid_op+0x14/0x70 os_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cro<4>[ 56.130469] ? asm_exc_invalid_op+0x12/0x20 s_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_th<4>[ 56.141678] ? refcount_warn_saturate+0xba/0x110 ermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress <4>[ 56.153333] __refcount_sub_and_test.constprop.0+0x3c/0x50 snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_<4>[ 56.166006] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 table cros_kbd_led_backlight chromeos_pstore # [ 43.722775] C<4>[ 56.178858] direct_entry.cold+0x2c/0x38 R2: ffffffffa1c46667 # [ 43.726762] ---[ end trace c17c1eb82c<4>[ 56.189774] full_proxy_write+0x53/0x80 c650d5 ]--- # [ 43.732205] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ <4>[ 56.200577] vfs_write+0xe7/0x3b0 43.736871] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb <4>[ 56.210808] ksys_write+0x68/0xf0 de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c<4>[ 56.221060] do_syscall_64+0x30/0x40 9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 <4>[ 56.231549] entry_SYSCALL_64_after_hwframe+0x62/0xc7 00 83 05 00 78 2a 03 # [ 43.758141] RSP: 0018:ffffb1e2013efe6<4>[ 56.243778] RIP: 0033:0x7f211cfd7473 0 EFLAGS: 00010286 # [ 43.764289] RAX: ffffffffa157e5f0 RBX: <4>[ 56.254228] 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 0000000000000001 RCX: 0000000000000000 # [ 43.772548] RDX: 00<4>[ 56.281761] RSP: 002b:00007fff31c44848 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 00000000000000 RSI: ffff9e25fad9bf50 RDI: ffffffffa29942b0 # [ <4>[ 56.296760] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f211cfd7473 43.780808] RBP: ffffffffa2e7f050 R08: 0000000000000001 R09: 00<4>[ 56.311254] RDX: 0000000000000020 RSI: 00007f211cecb000 RDI: 0000000000000001 00000000000001 # [ 43.789067] R10: 00000000ffffe000 R11: 3fff<4>[ 56.325764] RBP: 00007f211cecb000 R08: 00007f211ceca010 R09: 0000000000000000 ffffffffffff R12: 0000000000000004 # [ 43.797326] R13: ffffb1<4>[ 56.340219] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 e2013eff10 R14: ffffb1e2013eff10 R15: ffff9e2583921000 # [ 43<4>[ 56.354705] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 .805586] FS: 00007f5655a68580(0000) GS:ffff9e25fad00000(0000) k<4>[ 56.369206] irq event stamp: 0 nlGS:0000000000000000 # [ 43.814913] CS: 0010 DS: 0000 ES: 0<4>[ 56.379140] hardirqs last enabled at (0): [<0000000000000000>] 0x0 000 CR0: 0000000080050033 # [ 43.821619] CR2: ffffffffa1c4666<4>[ 56.392613] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 7 CR3: 0000000105b02002 CR4: 00000000003706e0 # WRITE_KERN: saw<4>[ 56.408308] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 'call trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # sel<4>[ 56.423910] softirqs last disabled at (0): [<0000000000000000>] 0x0 ftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # [ 43.952737] lkdtm:<4>[ 56.437457] ---[ end trace c17c1eb82cc650e6 ]--- Performing direct entry REFCOUNT_INC_OVERFLOW # [ 43.961251]<6>[ 56.449109] lkdtm: Saturation detected: still saturated lkdtm: attempting good refcount_inc() without overflow # [ 43.974671] lkdtm: attempting bad refcount_inc() overflow # [ 43.987200] ------------[ cut here ]------------ # [ 43.998862] refcount_t: saturated; leaking memory. # [ 44.004535] WARNING: CPU: 1 PID: 2011 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 44.020433] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore # [ 44.079416] CPU: 1 PID: 2011 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 44.094574] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 44.107920] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 44.120259] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 4b cd 36 02 00 75 ee 48 c7 c7 a0 53 d7 a2 c6 05 3b cd 36 02 01 e8 81 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d 27 cd 36 02 00 75 cb 48 c7 c7 c8 53 d7 # [ 44.147756] RSP: 0018:ffffb1e20297fe48 EFLAGS: 00010286 # [ 44.160095] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 # [ 44.168359] RDX: ffff9e25facac620 RSI: ffff9e25fac9bf50 RDI: ffff9e25fac9bf50 # [ 44.182831] RBP: ffffffffa2e1a945 R08: 0000000000000000 R09: 0000000000000000 # [ 44.191118] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 44.205570] R13: ffffb1e20297ff10 R14: ffffb1e20297ff10 R15: ffff9e25869a4000 # [ 44.220048] FS: 00007fe8d2e4d580(0000) GS:ffff9e25fac80000(0000) knlGS:0000000000000000 # [ 44.229379] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.242300] CR2: 00007fe8d2c57000 CR3: 0000000105a38002 CR4: 00000000003706e0 # [ 44.250562] Call Trace: # [ 44.259814] ? __warn+0x80/0x110 # [ 44.269903] ? refcount_warn_saturate+0x51/0x110 # [ 44.275354] ? report_bug+0x9e/0xc0 # [ 44.285750] ? handle_bug+0x41/0x90 # [ 44.296150] ? exc_invalid_op+0x14/0x70 # [ 44.300727] ? asm_exc_invalid_op+0x12/0x20 # [ 44.311902] ? refcount_warn_saturate+0x51/0x110 # [ 44.323561] ? refcount_warn_saturate+0x51/0x110 # [ 44.329011] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 # [ 44.340862] direct_entry.cold+0x2c/0x38 # [ 44.351767] full_proxy_write+0x53/0x80 # [ 44.362556] vfs_write+0xe7/0x3b0 # [ 44.372764] ksys_write+0x68/0xf0 # [ 44.382970] do_syscall_64+0x30/0x40 # [ 44.387278] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 44.399420] RIP: 0033:0x7fe8d2d63473 # [ 44.403702] 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 # [ 44.431188] RSP: 002b:00007ffc893be998 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 44.446150] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fe8d2d63473 # [ 44.454415] RDX: 0000000000000016 RSI: 00007fe8d2c57000 RDI: 0000000000000001 # [ 44.468889] RBP: 00007fe8d2c57000 R08: 00007fe8d2c56010 R09: 0000000000000000 # [ 44.477152] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 44.485416] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 44.499894] irq event stamp: 0 # [ 44.509806] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 44.517102] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 44.532743] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 44.548386] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 44.555679] ---[ end trace c17c1eb82cc650d6 ]--- # [ 44.567337] 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 # [ 44.677898] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 44.685359] lkdtm: attempting good refcount_add() without overflow # [ 44.698795] lkdtm: attempting bad refcount_add() overflow # [ 44.711308] ------------[ cut here ]------------ # [ 44.722971] refcoun<6>[ 56.896701] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO <6>[ 56.908960] lkdtm: attempting good copy_to_user of correct size <6>[ 56.915893] lkdtm: attempting bad copy_to_user of too large size t_t: saturated; leaking memory. # [ 44.734855] WARNING: CPU: 1 PID: 2044 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 44.750760] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore # [ 44.809750] CPU: 1 PID: 2044 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 44.824878] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 44.838191] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 44.844344] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 4b cd 36 02 00 75 ee 48 c7 c7 a0 53 d7 a2 c6 05 3b cd 36 02 01 e8 81 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d 27 cd 36 02 00 75 cb 48 c7 c7 c8 53 d7 # [ 44.871830] RSP: 0018:ffffb1e2029e7e48 EFLAGS: 00010286 # [ 44.877983] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 44.892456] RDX: ffff9e25facac620 RSI: ffff9e25fac9bf50 RDI: ffff9e25fac9bf5<6>[ 57.047428] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM <6>[ 57.060673] lkdtm: attempting good copy_from_user of correct size <6>[ 57.067787] lkdtm: attempting bad copy_from_user of too large size 0 # [ 44.900720] RBP: ffffffffa2e1a95b R08: 0000000000000000 R09: 0000000000000000 # [ 44.915194] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 44.923458] R13: ffffb1e2029e7f10 R14: ffffb1e2029e7f10 R15: ffff9e2583d52000 # [ 44.931722] FS: 00007f6ea870d580(0000) GS:ffff9e25fac80000(0000) knlGS:0000000000000000 # [ 44.947265] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.960189] CR2: 00007f6ea8517000 CR3: 0000000105952002 CR4: 00000000003706e0 # [ 44.968454] Call Trace: # [ 44.977690] ? __warn+0x80/0x110 # [ 44.987796] ? refcount_warn_saturate+0x51/0x110 # [ 44.999458] ? report_bug+0x9e/0xc0 # [ 45.009859] ? handle_bug+0x41/0x90 # [ 45.020257] ? exc_invalid_op+0x14/0x70 # [ 45.031048] ? asm_exc_invalid_op+0x12/0x20 # [ 45.042233] ? refcount_warn_saturate+0x51/0x110 # [ 45.053894] ? refcount_warn_saturate+0x51/0x110 # [ 45.065556] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 45.077413] direct_entry.cold+0x2c/0x38 # [ 45.088301] full_proxy_write+0x53/0x80 # [ 45.099090] vfs_write+0xe7/0x3b0 # [ 45.109295] ksys_write+0x68/0xf0 # [ 45.119501] do_syscall_64+0x30/0x40 # [ 45.129997] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 45.135933] RIP: 0033:0x7f<6>[ 57.198993] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO 6ea8623473 # [ 45.146424] Code: 8b 15 21 2a 0e 00 f7 d8 64 89<6>[ 57.206844] lkdtm: attempting good copy_to_user inside whitelist 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 <6>[ 57.220072] lkdtm: attempting bad copy_to_user outside whitelist 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 45.167702] RSP: 002b:00007ffd5470ba48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 45.182661] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f6ea8623473 # [ 45.190925] RDX: 0000000000000016 RSI: 00007f6ea8517000 RDI: 0000000000000001 # [ 45.205400] RBP: 00007f6ea8517000 R08: 00007f6ea8516010 R09: 0000000000000000 # [ 45.219879] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 45.228144] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 45.242621] irq event stamp: 0 # [ 45.252535] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 45.266087] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 45.281727] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 45.291157] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 45.304659] ---[ end trace c17c1eb82cc650d7 ]--- # [ 45.310107] 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 # [ 45.430836] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 45.441457] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ <6>[ 57.367655] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM 45.448684] ------------[ cut here ]------------ # [ 45.45413<6>[ 57.377718] lkdtm: attempting good copy_from_user inside whitelist 4] refcount_t: saturated; leaking memory. # [ 45.466019] WARN<6>[ 57.391155] lkdtm: attempting bad copy_from_user outside whitelist ING: CPU: 3 PID: 2077 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 45.475749] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore # [ 45.534702] CPU: 3 PID: 2077 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 45.543677] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 45.550780] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 45.563121] Code: 02 01 e8 5e 3e c4 00 0f 0b c3 cc cc cc cc 80 3d 06 cd 36 02 00 75 a8 48 c7 c7 a0 53 d7 a2 c6 05 f6 cc 36 02 01 e8 3b 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d e0 cc 36 02 00 75 85 48 c7 c7 f8 53 d7 # [ 45.584395] RSP: 0018:ffffb1e202a3fe38 EFLAGS: 00010282 # [ 45.590521] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 45.598802] RDX: ffff9e25fadac620 RSI: ffff9e25fad9bf50 RDI: ffff9<6>[ 57.527651] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO e25fad9bf50 # [ 45.607101] RBP: ffffffffa2e1a598 R08: 0000000<6>[ 57.536046] lkdtm: good_stack: ffffb1e2035ffe20-ffffb1e2035ffe40 000000000 R09: 0000000000000000 # [ 45.615387] R10: 00000000f<6>[ 57.549278] lkdtm: bad_stack : ffffb1e2035ffda8-ffffb1e2035ffdc8 fffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 45.62<6>[ 57.562525] lkdtm: attempting good copy_to_user of local stack 3648] R13: ffffb1e202a3ff10 R14: ffffb1e202a3ff10 R15: ffff9e258<6>[ 57.575504] lkdtm: attempting bad copy_to_user of distant stack 3270000 # [ 45.631913] FS: 00007f104d531580(0000) GS:ffff9e25fad80000(0000) knlGS:0000000000000000 # [ 45.641243] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 45.647952] CR2: 00007f104d33b000 CR3: 0000000105952001 CR4: 00000000003706e0 # [ 45.656213] Call Trace: # [ 45.659236] ? __warn+0x80/0x110 # [ 45.663134] ? refcount_warn_saturate+0x97/0x110 # [ 45.668581] ? report_bug+0x9e/0xc0 # [ 45.672768] ? handle_bug+0x41/0x90 # [ 45.676954] ? exc_invalid_op+0x14/0x70 # [ 45.681527] ? asm_exc_invalid_op+0x12/0x20 # [ 45.686493] ? refcount_warn_saturate+0x97/0x110 # [ 45.691971] ? refcount_warn_saturate+0x97/0x110 # [ 45.697418] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 45.703835] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 45.710349] direct_entry.cold+0x2c/0x38 # [ 45.715022] full_proxy_write+0x53/0x80 # [ 45.719620] vfs_write+0xe7/0x3b0 # [ 45.723611] ksys_write+0x68/0xf0 # [ 45.727602] do_syscall_64+0x30/0x40 # [ 45.731885] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 45.737819] RIP: 0033:0x7f104d447473 # [ 45.742101] 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 # [ 45.763374] RSP: 002b:00007ffd91cdf218 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 45.772123] RAX: ffffffffffffffda RBX: 0<6>[ 57.726313] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM <6>[ 57.738981] lkdtm: good_stack: ffffb1e2036afe20-ffffb1e2036afe40 <6>[ 57.746015] lkdtm: bad_stack : ffffb1e2036afda8-ffffb1e2036afdc8 <6>[ 57.753040] lkdtm: attempting good copy_from_user of local stack 00000000000001f RCX: 00007f104d447473 # [ 45.780384] RDX: 000<6>[ 57.760054] lkdtm: attempting bad copy_from_user of distant stack 000000000001f RSI: 00007f104d33b000 RDI: 0000000000000001 # [ 45.788647] RBP: 00007f104d33b000 R08: 00007f104d33a010 R09: 0000000000000000 # [ 45.796929] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 45.805183] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 45.813450] irq event stamp: 0 # [ 45.817172] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 45.830682] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 45.846325] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 45.855753] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 45.863044] ---[ end trace c17c1eb82cc650d8 ]--- # [ 45.868492] lkdtm: Overflow detected: saturated # REFCOUNT_INC_NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # [ 45.983467] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 45.993634] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 46.000831] ------------[ cut here ]------------ # [ 46.006279] refcount_t: saturated; leaking memory. # [ 46.011950] WARNING: CPU: 3 PID: 2110 at l<6>[ 57.897398] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND ib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 46.021<6>[ 57.904741] lkdtm: good_stack: ffffb1e20371fe20-ffffb1e20371fe40 674] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec<6>[ 57.917955] lkdtm: bad_stack : ffffb1e20371fff8-ffffb1e203720018 _sensors cros_ec_sensors_core industrialio_triggered_buffer kfif<6>[ 57.931215] lkdtm: attempting good copy_to_user of local stack o_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops c<6>[ 57.944239] lkdtm: attempting bad copy_to_user of distant stack ros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs <4>[ 57.957334] lkdtm: copy_to_user failed, but lacked Oops videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore # [ 46.080626] CPU: 3 PID: 2110 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 46.089568] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 46.096666] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 46.102796] Code: 02 01 e8 5e 3e c4 00 0f 0b c3 cc cc cc cc 80 3d 06 cd 36 02 00 75 a8 48 c7 c7 a0 53 d7 a2 c6 05 f6 cc 36 02 01 e8 3b 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d e0 cc 36 02 00 75 85 48 c7 c7 f8 53 d7 # [ 46.130284] RSP: 0018:ffffb1e202ad7e38 EFLAGS: 00010282 # [ 46.136442] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 46.144704] RDX: ffff9e25fadac620 RSI: ffff9e25fad9bf50 RDI: ffff9e25fad9bf50 # [ 46.152965] RBP: ffffffffa2e1a5b8 R08: 0000000000000000 R09: 0000000000000000 # [ 46.161224] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 46.169517] R13: ffffb1e202ad7f10 R14: ffffb1e202ad7f10 R15: ffff9e2583b8a000 # [ 46.183989] FS: 00007fc3d310b580(0000) GS:ffff9e25fad80000(0000) knlGS:0000<6>[ 58.092868] lkdtm: Performing direct entry USERCOPY_KERNEL <6>[ 58.100426] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffa2994750 000000000000 # [ 46.193340] CS: 0010 DS: 0000 ES: 0000 CR0: <6>[ 58.109389] lkdtm: attempting bad copy_to_user from kernel text: ffffffffa0ce3ce0 0000000080050033 # [ 46.206263] CR2: 00007fc3d2f15000 CR3: 00<3>[ 58.124243] lkdtm: FAIL: survived bad copy_to_user() 000001058cc001 CR4: 00000000003706e0 # [ 46.214527] Call Trace: # [ 46.217550] ? __warn+0x80/0x110 # [ 46.221474] ? refcount_warn_saturate+0x97/0x110 # [ 46.226923] ? report_bug+0x9e/0xc0 # [ 46.231110] ? handle_bug+0x41/0x90 # [ 46.235316] ? exc_invalid_op+0x14/0x70 # [ 46.239892] ? asm_exc_invalid_op+0x12/0x20 # [ 46.251067] ? refcount_warn_saturate+0x97/0x110 # [ 46.256545] ? refcount_warn_saturate+0x97/0x110 # [ 46.261993] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 46.268410] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 46.274925] direct_entry.cold+0x2c/0x38 # [ 46.279598] full_proxy_write+0x53/0x80 # [ 46.284197] vfs_write+0xe7/0x3b0 # [ 46.288212] ksys_write+0x68/0xf0 # [ 46.292204] do_syscall_64+0x30/0x40 # [ 46.296487] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 46.302421] RIP: 0033:0x7fc3d3021473 # [ 46.306704] 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 # [ 46.327978] RSP: 002b:00007fffdd30c3e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 46.336727] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fc3d3021473 # [ 46.344989] RDX: 000000000000001f RSI: 00007fc3d2f15000 RDI: 0000000000000001 # [ 46.353252] RBP: 00007fc3d<6>[ 58.267156] lkdtm: Performing direct entry STACKLEAK_ERASING <6>[ 58.279925] lkdtm: checking unused part of the thread stack (15928 bytes)... 2f15000 R08: 00007fc3d2f14010 R09: 0000000000000000 # [ 46.36<3>[ 58.288115] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) <3>[ 58.302404] lkdtm: FAIL: the thread stack is NOT properly erased 1514] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 000000000<4>[ 58.309416] CPU: 2 PID: 2939 Comm: cat Tainted: G D W 5.10.212-cip44 #1 <4>[ 58.324566] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 58.331661] Call Trace: <4>[ 58.334683] dump_stack+0x77/0x9b <4>[ 58.338672] lkdtm_STACKLEAK_ERASING+0x116/0x144 <4>[ 58.344118] direct_entry.cold+0x2c/0x38 <4>[ 58.348787] full_proxy_write+0x53/0x80 <4>[ 58.353359] vfs_write+0xe7/0x3b0 <4>[ 58.357348] ksys_write+0x68/0xf0 <4>[ 58.361338] do_syscall_64+0x30/0x40 <4>[ 58.365619] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 58.371550] RIP: 0033:0x7f45ffcb2473 <4>[ 58.375821] 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>[ 58.397096] RSP: 002b:00007ffcf7c1bdf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 58.405835] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f45ffcb2473 <4>[ 58.414096] RDX: 0000000000000012 RSI: 00007f45ffba6000 RDI: 0000000000000001 <4>[ 58.422356] RBP: 00007f45ffba6000 R08: 00007f45ffba5010 R09: 0000000000000000 <4>[ 58.430616] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 58.438878] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0000001 # [ 46.369777] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 46.378044] irq event stamp: 0 # [ 46.387954] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 46.395248] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 46.410886] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 46.420314] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 46.427606] ---[ end trace c17c1eb82cc650d9 ]--- # [ 46.433051] 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 # [ 46.551053] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 46.563180] lkdtm: attempting good refcount_dec() # [ 46.568740] lkdtm: attempting bad refcount_dec() to zero # [ 46.581169] ------------[ cut here ]------------ # [ 46.586640] refcount_t: decrement hit 0; leaking memory. # [ 46.592892] WARNING: CPU: 2 PID: 2143 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 46.602618] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c<6>[ 58.597970] lkdtm: Performing direct entry CFI_FORWARD_PROTO <6>[ 58.609288] lkdtm: Calling matched prototype ... <6>[ 58.614769] lkdtm: Calling mismatched prototype ... <6>[ 58.620542] lkdtm: Fail: survived mismatched prototype function call! i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore # [ 46.661587] CPU: 2 PID: 2143 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 46.670542] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 46.683852] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 46.696193] Code: 50 54 d7 a2 c6 05 a7 cc 36 02 01 e8 f1 3d c4 00 0f 0b c3 cc cc cc cc 48 c7 c7 20 54 d7 a2 c6 05 8e cc 36 02 01 e8 d7 3d c4 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 46.717491] RSP: 0018:ffffb1e202b5fe48 EFLAGS: 00010286 # [ 46.723620] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 46.731907] RDX: ffff9e25fad2c620 RSI: ffff9e25fad1bf50 RDI: ffff9e25fad1bf50 # [ 46.740185] RBP: ffffffffa2e1a971 R08: 0000000000000000 R09: 0000000000000000 # [ 46.754651] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 46.762915] R13: ffffb1e202b5ff10 R14: ffffb1e202b5ff10 R15: ffff9e2583f7c000 # [ 46.771178] FS: 00007f783edc3580(0000) GS:ffff9e25fad00000(0000) knlGS:0000000000000000 # [ 46.780511] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.787221] CR2: 00007f783ebcd000 CR3: 0000000104798001 CR4: 00000000003706e0 # [ 46.795484] Call Trace: # [ 46.798523] ? __warn+0x80/0x110 # [ 46.802427] ? refcount_warn_saturate+0xfb/0x110 # [ 46.814084] ? report_bug+0x9e/0xc0 # [ 46.818271] ? handle_bug+0x41/0x90 # [ 46.822477] ? exc_invalid_op+0x14/0x70 # [ 46.827053] ? asm_exc_invalid_op+0x12/0x20 # [ 46.832044] ? refcount_warn_saturate+0xfb/0x110 # [ 46.837519] ? refcount_warn_saturate+0xfb/0x110 # [ 46.849176] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 46.854429] direct_entry.cold+0x2c/0x38 # [ 46.859127] full_proxy_write+0x53/0x80 # [ 46.863734] vfs_write+0xe7/0x3b0 # [ 46.867756] ksys_write+0x68/0xf0 # [ 46.871771] do_syscall_64+0x30/0x40 # [ 46.876078] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 46.882036] RIP: 0033:0x7f783ecd9473 # [ 46.886320] 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 # [ 46.907597] RSP: 002b:00007ffd82138238 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 46.916348] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f783ecd9473 # [ 46.924612] RDX: 0000000000000012 RSI: 00007f783ebcd000 RDI: 0000000000000001 # [ 46.932876] RBP: 00007f783ebcd000 R08: 00007f783ebcc010 R09: 0000000000000000 # [ 46.941161] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 46.949427] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 46.963912] irq event stamp: 0 # [ 46.973837] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 46.981139] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 46.996775] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 47.006204] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 47.013498] ---[ end trace c17c1eb82cc650da ]--- # [ 47.018946] 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 # [ 47.139823] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 47.149075] lkdtm: attempting bad refcount_dec() below zero # [ 47.161828] ------------[ cut here ]------------ # [ 47.173481] refcount_t: decrement hit 0; leaking memory. # [ 47.185970] WARNING: CPU: 0 PID: 2179 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 47.201897] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore # [ 47.260855] CPU: 0 PID: 2179 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 47.276033] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 47.289345] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 47.301728] Code: 50 54 d7 a2 c6 05 a7 cc 36 02 01 e8 f1 3d c4 00 0f 0b c3 cc cc cc cc 48 c7 c7 20 54 d7 a2 c6 05 8e cc 36 02 01 e8 d7 3d c4 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 47.329183] RSP: 0018:ffffb1e202be7e48 EFLAGS: 00010286 # [ 47.341546] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 47.356003] RDX: ffff9e25fac2c620 RSI: ffff9e25fac1bf50 RDI: ffff9e25fac1bf50 # [ 47.370533] RBP: ffffffffa2e1a983 R08: 0000000000000000 R09: 0000000000000000 # [ 47.384973] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 47.399458] R13: ffffb1e202be7f10 R14: ffffb1e202be7f10 R15: ffff9e2584108000 # [ 47.413946] FS: 00007f104826f580(0000) GS:ffff9e25fac00000(0000) knlGS:0000000000000000 # [ 47.429498] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.442429] CR2: 00007f1048079000 CR3: 0000000104494003 CR4: 00000000003706f0 # [ 47.456948] Call Trace: # [ 47.466163] ? __warn+0x80/0x110 # [ 47.476270] ? refcount_warn_saturate+0xfb/0x110 # [ 47.487933] ? report_bug+0x9e/0xc0 # [ 47.498356] ? handle_bug+0x41/0x90 # [ 47.508754] ? exc_invalid_op+0x14/0x70 # [ 47.519595] ? asm_exc_invalid_op+0x12/0x20 # [ 47.530756] ? refcount_warn_saturate+0xfb/0x110 # [ 47.542415] ? refcount_warn_saturate+0xfb/0x110 # [ 47.554082] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 47.565903] direct_entry.cold+0x2c/0x38 # [ 47.576789] full_proxy_write+0x53/0x80 # [ 47.587595] vfs_write+0xe7/0x3b0 # [ 47.597792] ksys_write+0x68/0xf0 # [ 47.608000] do_syscall_64+0x30/0x40 # [ 47.618503] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 47.630650] RIP: 0033:0x7f1048185473 # [ 47.641150] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 47.668656] RSP: 002b:00007fff60b666a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 47.683636] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f1048185473 # [ 47.698121] RDX: 0000000000000016 RSI: 00007f1048079000 RDI: 0000000000000001 # [ 47.712587] RBP: 00007f1048079000 R08: 00007f1048078010 R09: 0000000000000000 # [ 47.727108] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 47.741574] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 47.756098] irq event stamp: 0 # [ 47.765996] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 47.779507] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 47.795195] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 47.810828] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 47.824361] ---[ end trace c17c1eb82cc650db ]--- # [ 47.836007] 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 # [ 47.963927] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 47.973567] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 47.987171] ------------[ cut here ]------------ # [ 47.998832] refcount_t: underflow; use-after-free. # [ 48.004487] WARNING: CPU: 3 PID: 2215 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 48.020409] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore # [ 48.079433] CPU: 3 PID: 2215 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 48.088392] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.101695] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 48.107824] Code: 02 01 e8 3b 3e c4 00 0f 0b c3 cc cc cc cc 80 3d e0 cc 36 02 00 75 85 48 c7 c7 f8 53 d7 a2 c6 05 d0 cc 36 02 01 e8 18 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d bb cc 36 02 00 0f 85 5e ff ff ff 48 c7 # [ 48.129100] RSP: 0018:ffffb1e202c6fe40 EFLAGS: 00010286 # [ 48.135233] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 48.143497] RDX: ffff9e25fadac620 RSI: ffff9e25fad9bf50 RDI: ffff9e25fad9bf50 # [ 48.151761] RBP: ffffffffa2e1a5d8 R08: 0000000000000000 R09: 0000000000000000 # [ 48.160025] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 48.168290] R13: ffffb1e202c6ff10 R14: ffffb1e202c6ff10 R15: ffff9e258592a000 # [ 48.176555] FS: 00007fcbce795580(0000) GS:ffff9e25fad80000(0000) knlGS:0000000000000000 # [ 48.185889] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.192600] CR2: 00007fcbce59f000 CR3: 0000000104108004 CR4: 00000000003706e0 # [ 48.200866] Call Trace: # [ 48.203891] ? __warn+0x80/0x110 # [ 48.207818] ? refcount_warn_saturate+0xba/0x110 # [ 48.213290] ? report_bug+0x9e/0xc0 # [ 48.217479] ? handle_bug+0x41/0x90 # [ 48.221696] ? exc_invalid_op+0x14/0x70 # [ 48.226273] ? asm_exc_invalid_op+0x12/0x20 # [ 48.231270] ? refcount_warn_saturate+0xba/0x110 # [ 48.236749] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 48.249373] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 48.255892] direct_entry.cold+0x2c/0x38 # [ 48.260596] full_proxy_write+0x53/0x80 # [ 48.265181] vfs_write+0xe7/0x3b0 # [ 48.275385] ksys_write+0x68/0xf0 # [ 48.285590] do_syscall_64+0x30/0x40 # [ 48.296100] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 48.308249] RIP: 0033:0x7fcbce6ab473 # [ 48.312533] 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 # [ 48.333811] RSP: 002b:00007ffdb5192238 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.342563] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fcbce6ab473 # [ 48.350827] RDX: 000000000000001f RSI: 00007fcbce59f000 RDI: 0000000000000001 # [ 48.359109] RBP: 00007fcbce59f000 R08: 00007fcbce59e010 R09: 0000000000000000 # [ 48.367371] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 48.375636] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.383906] irq event stamp: 0 # [ 48.387636] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.401138] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 48.410569] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 48.420001] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.427319] ---[ end trace c17c1eb82cc650dc ]--- # [ 48.432767] 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 # [ 48.556888] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 48.570367] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 48.583971] ------------[ cut here ]------------ # [ 48.595625] refcount_t: underflow; use-after-free. # [ 48.607518] WARNING: CPU: 1 PID: 2251 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 48.623416] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore # [ 48.682401] CPU: 1 PID: 2251 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 48.697531] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.710845] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 48.723190] Code: 02 01 e8 3b 3e c4 00 0f 0b c3 cc cc cc cc 80 3d e0 cc 36 02 00 75 85 48 c7 c7 f8 53 d7 a2 c6 05 d0 cc 36 02 01 e8 18 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d bb cc 36 02 00 0f 85 5e ff ff ff 48 c7 # [ 48.744468] RSP: 0018:ffffb1e202d17e40 EFLAGS: 00010286 # [ 48.756806] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 48.765072] RDX: ffff9e25facac620 RSI: ffff9e25fac9bf50 RDI: ffff9e25fac9bf50 # [ 48.779546] RBP: ffffffffa2e1a5f8 R08: 0000000000000000 R09: 0000000000000000 # [ 48.787811] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 48.802284] R13: ffffb1e202d17f10 R14: ffffb1e202d17f10 R15: ffff9e2585a4a000 # [ 48.810548] FS: 00007f4d053ef580(0000) GS:ffff9e25fac80000(0000) knlGS:0000000000000000 # [ 48.819883] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.832822] CR2: 00007f4d051f9000 CR3: 0000000104996004 CR4: 00000000003706e0 # [ 48.841084] Call Trace: # [ 48.844111] ? __warn+0x80/0x110 # [ 48.854210] ? refcount_warn_saturate+0xba/0x110 # [ 48.859661] ? report_bug+0x9e/0xc0 # [ 48.870058] ? handle_bug+0x41/0x90 # [ 48.880457] ? exc_invalid_op+0x14/0x70 # [ 48.891249] ? asm_exc_invalid_op+0x12/0x20 # [ 48.902426] ? refcount_warn_saturate+0xba/0x110 # [ 48.914091] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 48.926725] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b # [ 48.939458] direct_entry.cold+0x2c/0x38 # [ 48.950348] full_proxy_write+0x53/0x80 # [ 48.961139] vfs_write+0xe7/0x3b0 # [ 48.971345] ksys_write+0x68/0xf0 # [ 48.981552] do_syscall_64+0x30/0x40 # [ 48.985835] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 48.997978] RIP: 0033:0x7f4d05305473 # [ 49.002261] 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 # [ 49.029749] RSP: 002b:00007ffd387acb88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.044726] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f4d05305473 # [ 49.052990] RDX: 000000000000001f RSI: 00007f4d051f9000 RDI: 0000000000000001 # [ 49.067465] RBP: 00007f4d051f9000 R08: 00007f4d051f8010 R09: 0000000000000000 # [ 49.075730] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 49.083995] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.098474] irq event stamp: 0 # [ 49.108387] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.115697] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 49.131333] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 49.140763] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.154266] ---[ end trace c17c1eb82cc650dd ]--- # [ 49.165931] 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 # [ 49.445443] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 49.455513] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 49.462934] lkdtm: Good: zero detected # [ 49.467412] lkdtm: Correctly stayed at zero # [ 49.478592] lkdtm: attempting bad refcount_inc() from zero # [ 49.485041] ------------[ cut here ]------------ # [ 49.490490] refcount_t: addition on 0; use-after-free. # [ 49.496595] WARNING: CPU: 3 PID: 2284 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 49.506324] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore # [ 49.565307] CPU: 3 PID: 2284 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 49.574267] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.587572] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 49.593731] Code: 02 01 e8 81 3e c4 00 0f 0b c3 cc cc cc cc 80 3d 27 cd 36 02 00 75 cb 48 c7 c7 c8 53 d7 a2 c6 05 17 cd 36 02 01 e8 5e 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d 06 cd 36 02 00 75 a8 48 c7 c7 a0 53 d7 # [ 49.615009] RSP: 0018:ffffb1e202dafe48 EFLAGS: 00010286 # [ 49.621137] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 49.629401] RDX: ffff9e25fadac620 RSI: ffff9e25fad9bf50 RDI: ffff9e25fad9bf50 # [ 49.637665] RBP: ffffffffa2e1a999 R08: 0000000000000000 R09: 0000000000000000 # [ 49.645931] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 49.654195] R13: ffffb1e202daff10 R14: ffffb1e202daff10 R15: ffff9e25845f9000 # [ 49.662463] FS: 00007f43b11f0580(0000) GS:ffff9e25fad80000(0000) knlGS:0000000000000000 # [ 49.671800] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.678512] CR2: 00007f43b0ffa000 CR3: 0000000104996003 CR4: 00000000003706e0 # [ 49.686777] Call Trace: # [ 49.689802] ? __warn+0x80/0x110 # [ 49.693726] ? refcount_warn_saturate+0x74/0x110 # [ 49.699178] ? report_bug+0x9e/0xc0 # [ 49.703396] ? handle_bug+0x41/0x90 # [ 49.707582] ? exc_invalid_op+0x14/0x70 # [ 49.712159] ? asm_exc_invalid_op+0x12/0x20 # [ 49.717128] ? refcount_warn_saturate+0x74/0x110 # [ 49.722604] ? refcount_warn_saturate+0x74/0x110 # [ 49.734261] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 49.739516] direct_entry.cold+0x2c/0x38 # [ 49.744192] full_proxy_write+0x53/0x80 # [ 49.754981] vfs_write+0xe7/0x3b0 # [ 49.765186] ksys_write+0x68/0xf0 # [ 49.775410] do_syscall_64+0x30/0x40 # [ 49.779701] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 49.791845] RIP: 0033:0x7f43b1106473 # [ 49.796127] 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 # [ 49.817408] RSP: 002b:00007ffc746771e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.826195] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f43b1106473 # [ 49.834461] RDX: 0000000000000012 RSI: 00007f43b0ffa000 RDI: 0000000000000001 # [ 49.842726] RBP: 00007f43b0ffa000 R08: 00007f43b0ff9010 R09: 0000000000000000 # [ 49.850990] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 49.859255] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.867524] irq event stamp: 0 # [ 49.871249] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.884755] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 49.894184] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 49.903615] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.910908] ---[ end trace c17c1eb82cc650de ]--- # [ 49.916358] 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 # [ 50.033605] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 50.046073] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 50.059731] lkdtm: Good: zero detected # [ 50.070428] lkdtm: Correctly stayed at zero # [ 50.081595] lkdtm: attempting bad refcount_add() from zero # [ 50.094282] ------------[ cut here ]------------ # [ 50.105915] refcount_t: addition on 0; use-after-free. # [ 50.118290] WARNING: CPU: 0 PID: 2317 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 50.134106] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore # [ 50.193100] CPU: 0 PID: 2317 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 50.208231] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.221565] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 50.233889] Code: 02 01 e8 81 3e c4 00 0f 0b c3 cc cc cc cc 80 3d 27 cd 36 02 00 75 cb 48 c7 c7 c8 53 d7 a2 c6 05 17 cd 36 02 01 e8 5e 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d 06 cd 36 02 00 75 a8 48 c7 c7 a0 53 d7 # [ 50.261409] RSP: 0018:ffffb1e202e1fe48 EFLAGS: 00010286 # [ 50.273740] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 50.288257] RDX: ffff9e25fac2c620 RSI: ffff9e25fac1bf50 RDI: ffff9e25fac1bf50 # [ 50.302703] RBP: ffffffffa2e1a9ab R08: 0000000000000000 R09: 0000000000000000 # [ 50.317240] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 50.331685] R13: ffffb1e202e1ff10 R14: ffffb1e202e1ff10 R15: ffff9e25859de000 # [ 50.346231] FS: 00007f006488e580(0000) GS:ffff9e25fac00000(0000) knlGS:0000000000000000 # [ 50.361742] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.374691] CR2: 00007f0064698000 CR3: 0000000103f60005 CR4: 00000000003706f0 # [ 50.389179] Call Trace: # [ 50.398446] ? __warn+0x80/0x110 # [ 50.408535] ? refcount_warn_saturate+0x74/0x110 # [ 50.420237] ? report_bug+0x9e/0xc0 # [ 50.430624] ? handle_bug+0x41/0x90 # [ 50.441049] ? exc_invalid_op+0x14/0x70 # [ 50.451823] ? asm_exc_invalid_op+0x12/0x20 # [ 50.463032] ? refcount_warn_saturate+0x74/0x110 # [ 50.474669] ? refcount_warn_saturate+0x74/0x110 # [ 50.486346] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 50.497804] direct_entry.cold+0x2c/0x38 # [ 50.508700] full_proxy_write+0x53/0x80 # [ 50.519505] vfs_write+0xe7/0x3b0 # [ 50.529710] ksys_write+0x68/0xf0 # [ 50.539922] do_syscall_64+0x30/0x40 # [ 50.550439] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 50.562554] RIP: 0033:0x7f00647a4473 # [ 50.573110] 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 # [ 50.600622] RSP: 002b:00007ffe6dbfa9c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.615596] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f00647a4473 # [ 50.630077] RDX: 0000000000000012 RSI: 00007f0064698000 RDI: 0000000000000001 # [ 50.644586] RBP: 00007f0064698000 R08: 00007f0064697010 R09: 0000000000000000 # [ 50.659047] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 50.673573] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 50.688061] irq event stamp: 0 # [ 50.697960] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 50.711509] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 50.727143] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 50.742824] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 50.756300] ---[ end trace c17c1eb82cc650df ]--- # [ 50.768005] 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 # [ 51.020834] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 51.030172] lkdtm: attempting bad refcount_inc() from saturated # [ 51.037108] ------------[ cut here ]------------ # [ 51.042555] refcount_t: saturated; leaking memory. # [ 51.048207] WARNING: CPU: 3 PID: 2353 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 51.057946] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore # [ 51.116937] CPU: 3 PID: 2353 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 51.125883] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.132985] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 51.145323] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 4b cd 36 02 00 75 ee 48 c7 c7 a0 53 d7 a2 c6 05 3b cd 36 02 01 e8 81 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d 27 cd 36 02 00 75 cb 48 c7 c7 c8 53 d7 # [ 51.166600] RSP: 0018:ffffb1e202edfe48 EFLAGS: 00010286 # [ 51.172727] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 51.180990] RDX: ffff9e25fadac620 RSI: ffff9e25fad9bf50 RDI: ffff9e25fad9bf50 # [ 51.189252] RBP: ffffffffa2e1a9bd R08: 0000000000000000 R09: 0000000000000000 # [ 51.197506] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 51.205770] R13: ffffb1e202edff10 R14: ffffb1e202edff10 R15: ffff9e2584108000 # [ 51.214033] FS: 00007f4b663db580(0000) GS:ffff9e25fad80000(0000) knlGS:0000000000000000 # [ 51.223365] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.230074] CR2: 00007f4b661e5000 CR3: 0000000105a04001 CR4: 00000000003706e0 # [ 51.238338] Call Trace: # [ 51.241360] ? __warn+0x80/0x110 # [ 51.245279] ? refcount_warn_saturate+0x51/0x110 # [ 51.250726] ? report_bug+0x9e/0xc0 # [ 51.254913] ? handle_bug+0x41/0x90 # [ 51.259096] ? exc_invalid_op+0x14/0x70 # [ 51.263669] ? asm_exc_invalid_op+0x12/0x20 # [ 51.268633] ? refcount_warn_saturate+0x51/0x110 # [ 51.274105] ? refcount_warn_saturate+0x51/0x110 # [ 51.279553] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 51.285293] direct_entry.cold+0x2c/0x38 # [ 51.289965] full_proxy_write+0x53/0x80 # [ 51.294567] vfs_write+0xe7/0x3b0 # [ 51.304773] ksys_write+0x68/0xf0 # [ 51.314980] do_syscall_64+0x30/0x40 # [ 51.325477] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 51.331435] RIP: 0033:0x7f4b662f1473 # [ 51.335716] 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 # [ 51.356992] RSP: 002b:00007fffa2d81598 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.365762] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f4b662f1473 # [ 51.374038] RDX: 0000000000000017 RSI: 00007f4b661e5000 RDI: 0000000000000001 # [ 51.388506] RBP: 00007f4b661e5000 R08: 00007f4b661e4010 R09: 0000000000000000 # [ 51.396791] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.405054] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.419531] irq event stamp: 0 # [ 51.423252] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 51.430543] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 51.439970] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 51.449398] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 51.456690] ---[ end trace c17c1eb82cc650e0 ]--- # [ 51.462135] 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 # [ 51.590848] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 51.599726] lkdtm: attempting bad refcount_dec() from saturated # [ 51.606660] ------------[ cut here ]------------ # [ 51.612138] refcount_t: decrement hit 0; leaking memory. # [ 51.624589] WARNING: CPU: 2 PID: 2389 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 51.640507] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore # [ 51.693295] CPU: 2 PID: 2389 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 51.708443] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.715546] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 51.721707] Code: 50 54 d7 a2 c6 05 a7 cc 36 02 01 e8 f1 3d c4 00 0f 0b c3 cc cc cc cc 48 c7 c7 20 54 d7 a2 c6 05 8e cc 36 02 01 e8 d7 3d c4 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 51.743029] RSP: 0018:ffffb1e202f7fe48 EFLAGS: 00010286 # [ 51.749160] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 51.757429] RDX: ffff9e25fad2c620 RSI: ffff9e25fad1bf50 RDI: ffff9e25fad1bf50 # [ 51.765707] RBP: ffffffffa2e1a9d4 R08: 0000000000000000 R09: 0000000000000000 # [ 51.774006] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 51.782269] R13: ffffb1e202f7ff10 R14: ffffb1e202f7ff10 R15: ffff9e25846e1000 # [ 51.790536] FS: 00007f8cd8f89580(0000) GS:ffff9e25fad00000(0000) knlGS:0000000000000000 # [ 51.799868] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.806580] CR2: 00007f8cd8d93000 CR3: 00000001044a4005 CR4: 00000000003706e0 # [ 51.814845] Call Trace: # [ 51.817871] ? __warn+0x80/0x110 # [ 51.821798] ? refcount_warn_saturate+0xfb/0x110 # [ 51.827280] ? report_bug+0x9e/0xc0 # [ 51.831498] ? handle_bug+0x41/0x90 # [ 51.835717] ? exc_invalid_op+0x14/0x70 # [ 51.840323] ? asm_exc_invalid_op+0x12/0x20 # [ 51.845307] ? refcount_warn_saturate+0xfb/0x110 # [ 51.850767] ? refcount_warn_saturate+0xfb/0x110 # [ 51.862425] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 51.868165] direct_entry.cold+0x2c/0x38 # [ 51.872840] full_proxy_write+0x53/0x80 # [ 51.877445] vfs_write+0xe7/0x3b0 # [ 51.881463] ksys_write+0x68/0xf0 # [ 51.885487] do_syscall_64+0x30/0x40 # [ 51.889803] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 51.901950] RIP: 0033:0x7f8cd8e9f473 # [ 51.912446] 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 # [ 51.933732] RSP: 002b:00007ffc4e911e68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.948683] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f8cd8e9f473 # [ 51.956948] RDX: 0000000000000017 RSI: 00007f8cd8d93000 RDI: 0000000000000001 # [ 51.965214] RBP: 00007f8cd8d93000 R08: 00007f8cd8d92010 R09: 0000000000000000 # [ 51.973478] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.981741] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.990008] irq event stamp: 0 # [ 51.993712] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 52.001005] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 52.010434] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 52.019863] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 52.027155] ---[ end trace c17c1eb82cc650e1 ]--- # [ 52.032601] 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 # [ 52.565828] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 52.573753] lkdtm: attempting bad refcount_dec() from saturated # [ 52.580665] ------------[ cut here ]------------ # [ 52.586113] refcount_t: saturated; leaking memory. # [ 52.591767] WARNING: CPU: 3 PID: 2425 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 52.601495] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore # [ 52.660490] CPU: 3 PID: 2425 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 52.669447] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.676546] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 52.682672] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 4b cd 36 02 00 75 ee 48 c7 c7 a0 53 d7 a2 c6 05 3b cd 36 02 01 e8 81 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d 27 cd 36 02 00 75 cb 48 c7 c7 c8 53 d7 # [ 52.703947] RSP: 0018:ffffb1e20301fe48 EFLAGS: 00010286 # [ 52.710073] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 52.718336] RDX: ffff9e25fadac620 RSI: ffff9e25fad9bf50 RDI: ffff9e25fad9bf50 # [ 52.726599] RBP: ffffffffa2e1a9eb R08: 0000000000000000 R09: 0000000000000000 # [ 52.734860] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 52.743114] R13: ffffb1e20301ff10 R14: ffffb1e20301ff10 R15: ffff9e25844c1000 # [ 52.751378] FS: 00007fd7d74d7580(0000) GS:ffff9e25fad80000(0000) knlGS:0000000000000000 # [ 52.760707] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.767417] CR2: 00007fd7d72e1000 CR3: 0000000106340003 CR4: 00000000003706e0 # [ 52.775677] Call Trace: # [ 52.778699] ? __warn+0x80/0x110 # [ 52.782617] ? refcount_warn_saturate+0x51/0x110 # [ 52.788066] ? report_bug+0x9e/0xc0 # [ 52.792253] ? handle_bug+0x41/0x90 # [ 52.796461] ? exc_invalid_op+0x14/0x70 # [ 52.801035] ? asm_exc_invalid_op+0x12/0x20 # [ 52.806000] ? refcount_warn_saturate+0x51/0x110 # [ 52.811469] ? refcount_warn_saturate+0x51/0x110 # [ 52.816916] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 52.822654] direct_entry.cold+0x2c/0x38 # [ 52.827345] full_proxy_write+0x53/0x80 # [ 52.831922] vfs_write+0xe7/0x3b0 # [ 52.835940] ksys_write+0x68/0xf0 # [ 52.846145] do_syscall_64+0x30/0x40 # [ 52.856643] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 52.868790] RIP: 0033:0x7fd7d73ed473 # [ 52.873071] 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 # [ 52.894346] RSP: 002b:00007ffe64732348 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.903096] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fd7d73ed473 # [ 52.911378] RDX: 0000000000000017 RSI: 00007fd7d72e1000 RDI: 0000000000000001 # [ 52.919671] RBP: 00007fd7d72e1000 R08: 00007fd7d72e0010 R09: 0000000000000000 # [ 52.934140] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 52.942403] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 52.950671] irq event stamp: 0 # [ 52.954393] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 52.961686] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 52.971116] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 52.980546] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 52.987837] ---[ end trace c17c1eb82cc650e2 ]--- # [ 52.993299] 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 # [ 53.117547] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 53.131740] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 53.145736] ------------[ cut here ]------------ # [ 53.157419] refcount_t: saturated; leaking memory. # [ 53.169396] WARNING: CPU: 0 PID: 2458 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 53.185249] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore # [ 53.244308] CPU: 0 PID: 2458 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 53.259430] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.272773] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 53.285138] Code: 02 01 e8 5e 3e c4 00 0f 0b c3 cc cc cc cc 80 3d 06 cd 36 02 00 75 a8 48 c7 c7 a0 53 d7 a2 c6 05 f6 cc 36 02 01 e8 3b 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d e0 cc 36 02 00 75 85 48 c7 c7 f8 53 d7 # [ 53.312604] RSP: 0018:ffffb1e2030afe38 EFLAGS: 00010282 # [ 53.324997] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 53.339455] RDX: ffff9e25fac2c620 RSI: ffff9e25fac1bf50 RDI: ffff9e25fac1bf50 # [ 53.353984] RBP: ffffffffa2e1a618 R08: 0000000000000000 R09: 0000000000000000 # [ 53.368447] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 53.382978] R13: ffffb1e2030aff10 R14: ffffb1e2030aff10 R15: ffff9e258477e000 # [ 53.397439] FS: 00007f1babb81580(0000) GS:ffff9e25fac00000(0000) knlGS:0000000000000000 # [ 53.413038] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.425943] CR2: 00007f1bab98b000 CR3: 00000001031f6005 CR4: 00000000003706f0 # [ 53.440482] Call Trace: # [ 53.449692] ? __warn+0x80/0x110 # [ 53.459851] ? refcount_warn_saturate+0x97/0x110 # [ 53.471476] ? report_bug+0x9e/0xc0 # [ 53.481926] ? handle_bug+0x41/0x90 # [ 53.492308] ? exc_invalid_op+0x14/0x70 # [ 53.503143] ? asm_exc_invalid_op+0x12/0x20 # [ 53.514307] ? refcount_warn_saturate+0x97/0x110 # [ 53.526007] ? refcount_warn_saturate+0x97/0x110 # [ 53.537658] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 53.550325] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 53.563151] direct_entry.cold+0x2c/0x38 # [ 53.574072] full_proxy_write+0x53/0x80 # [ 53.584852] vfs_write+0xe7/0x3b0 # [ 53.595085] ksys_write+0x68/0xf0 # [ 53.605286] do_syscall_64+0x30/0x40 # [ 53.615771] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 53.627972] RIP: 0033:0x7f1baba97473 # [ 53.638458] 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 # [ 53.665985] RSP: 002b:00007ffc00240fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 53.680904] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f1baba97473 # [ 53.695424] RDX: 0000000000000020 RSI: 00007f1bab98b000 RDI: 0000000000000001 # [ 53.709891] RBP: 00007f1bab98b000 R08: 00007f1bab98a010 R09: 0000000000000000 # [ 53.718199] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 53.732688] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 53.747163] irq event stamp: 0 # [ 53.757090] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 53.770581] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 53.786227] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 53.801912] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 53.815383] ---[ end trace c17c1eb82cc650e3 ]--- # [ 53.820860] 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 # [ 54.136779] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 54.149349] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 54.163359] ------------[ cut here ]------------ # [ 54.175025] refcount_t: saturated; leaking memory. # [ 54.186911] WARNING: CPU: 0 PID: 2491 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 54.202840] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore # [ 54.261807] CPU: 0 PID: 2491 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 54.276986] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.290323] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 54.302652] Code: 02 01 e8 5e 3e c4 00 0f 0b c3 cc cc cc cc 80 3d 06 cd 36 02 00 75 a8 48 c7 c7 a0 53 d7 a2 c6 05 f6 cc 36 02 01 e8 3b 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d e0 cc 36 02 00 75 85 48 c7 c7 f8 53 d7 # [ 54.330184] RSP: 0018:ffffb1e203137e38 EFLAGS: 00010282 # [ 54.342514] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 54.357051] RDX: ffff9e25fac2c620 RSI: ffff9e25fac1bf50 RDI: ffff9e25fac1bf50 # [ 54.371518] RBP: ffffffffa2e1a638 R08: 0000000000000000 R09: 0000000000000000 # [ 54.386040] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 54.400508] R13: ffffb1e203137f10 R14: ffffb1e203137f10 R15: ffff9e25868fb000 # [ 54.415035] FS: 00007f6dafa51580(0000) GS:ffff9e25fac00000(0000) knlGS:0000000000000000 # [ 54.430547] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.443505] CR2: 00007f6daf85b000 CR3: 00000001069a4001 CR4: 00000000003706f0 # [ 54.458012] Call Trace: # [ 54.467221] ? __warn+0x80/0x110 # [ 54.477350] ? refcount_warn_saturate+0x97/0x110 # [ 54.489006] ? report_bug+0x9e/0xc0 # [ 54.499439] ? handle_bug+0x41/0x90 # [ 54.509805] ? exc_invalid_op+0x14/0x70 # [ 54.520596] ? asm_exc_invalid_op+0x12/0x20 # [ 54.531767] ? refcount_warn_saturate+0x97/0x110 # [ 54.543441] ? refcount_warn_saturate+0x97/0x110 # [ 54.555084] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 54.567729] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 54.580543] direct_entry.cold+0x2c/0x38 # [ 54.591445] full_proxy_write+0x53/0x80 # [ 54.602218] vfs_write+0xe7/0x3b0 # [ 54.612447] ksys_write+0x68/0xf0 # [ 54.622637] do_syscall_64+0x30/0x40 # [ 54.633145] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 54.645282] RIP: 0033:0x7f6daf967473 # [ 54.655793] 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 # [ 54.683269] RSP: 002b:00007ffdc45a7ce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 54.698260] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f6daf967473 # [ 54.712721] RDX: 0000000000000020 RSI: 00007f6daf85b000 RDI: 0000000000000001 # [ 54.727211] RBP: 00007f6daf85b000 R08: 00007f6daf85a010 R09: 0000000000000000 # [ 54.741682] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 54.756177] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 54.770651] irq event stamp: 0 # [ 54.780579] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 54.794069] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 54.809733] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 54.825365] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 54.838849] ---[ end trace c17c1eb82cc650e4 ]--- # [ 54.850543] 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 # [ 54.989662] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 55.001366] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 55.009169] ------------[ cut here ]------------ # [ 55.014644] refcount_t: underflow; use-after-free. # [ 55.020316] WARNING: CPU: 2 PID: 2527 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 55.030047] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore # [ 55.082835] CPU: 2 PID: 2527 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 55.097987] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.105087] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 55.111217] Code: 02 01 e8 3b 3e c4 00 0f 0b c3 cc cc cc cc 80 3d e0 cc 36 02 00 75 85 48 c7 c7 f8 53 d7 a2 c6 05 d0 cc 36 02 01 e8 18 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d bb cc 36 02 00 0f 85 5e ff ff ff 48 c7 # [ 55.132496] RSP: 0018:ffffb1e2031bfe40 EFLAGS: 00010286 # [ 55.138651] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 55.153133] RDX: ffff9e25fad2c620 RSI: ffff9e25fad1bf50 RDI: ffff9e25fad1bf50 # [ 55.167610] RBP: ffffffffa2e1a658 R08: 0000000000000000 R09: 0000000000000000 # [ 55.182091] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 55.190352] R13: ffffb1e2031bff10 R14: ffffb1e2031bff10 R15: ffff9e2586395000 # [ 55.198606] FS: 00007f3e04926580(0000) GS:ffff9e25fad00000(0000) knlGS:0000000000000000 # [ 55.207936] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.214651] CR2: 00007f3e04730000 CR3: 0000000106314002 CR4: 00000000003706e0 # [ 55.222949] Call Trace: # [ 55.225998] ? __warn+0x80/0x110 # [ 55.236100] ? refcount_warn_saturate+0xba/0x110 # [ 55.241548] ? report_bug+0x9e/0xc0 # [ 55.245736] ? handle_bug+0x41/0x90 # [ 55.249950] ? exc_invalid_op+0x14/0x70 # [ 55.254524] ? asm_exc_invalid_op+0x12/0x20 # [ 55.259490] ? refcount_warn_saturate+0xba/0x110 # [ 55.264970] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 55.271388] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 55.278002] direct_entry.cold+0x2c/0x38 # [ 55.282675] full_proxy_write+0x53/0x80 # [ 55.287249] vfs_write+0xe7/0x3b0 # [ 55.291240] ksys_write+0x68/0xf0 # [ 55.295232] do_syscall_64+0x30/0x40 # [ 55.299515] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 55.305448] RIP: 0033:0x7f3e0483c473 # [ 55.309746] 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 # [ 55.331033] RSP: 002b:00007ffd8db6cf78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 55.345994] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f3e0483c473 # [ 55.354257] RDX: 0000000000000020 RSI: 00007f3e04730000 RDI: 0000000000000001 # [ 55.362511] RBP: 00007f3e04730000 R08: 00007f3e0472f010 R09: 0000000000000000 # [ 55.370773] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 55.379027] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 55.387293] irq event stamp: 0 # [ 55.391018] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 55.398309] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 55.407739] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 55.423384] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 55.430679] ---[ end trace c17c1eb82cc650e5 ]--- # [ 55.436126] 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 # [ 55.748158] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 55.759135] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 55.773122] ------------[ cut here ]------------ # [ 55.784777] refcount_t: underflow; use-after-free. # [ 55.796702] WARNING: CPU: 0 PID: 2563 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 55.812635] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore # [ 55.871592] CPU: 0 PID: 2563 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 55.886750] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.900075] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 55.912435] Code: 02 01 e8 3b 3e c4 00 0f 0b c3 cc cc cc cc 80 3d e0 cc 36 02 00 75 85 48 c7 c7 f8 53 d7 a2 c6 05 d0 cc 36 02 01 e8 18 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d bb cc 36 02 00 0f 85 5e ff ff ff 48 c7 # [ 55.939933] RSP: 0018:ffffb1e20324fe40 EFLAGS: 00010286 # [ 55.952275] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 55.966763] RDX: ffff9e25fac2c620 RSI: ffff9e25fac1bf50 RDI: ffff9e25fac1bf50 # [ 55.981240] RBP: ffffffffa2e1a678 R08: 0000000000000000 R09: 0000000000000000 # [ 55.995725] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 56.010228] R13: ffffb1e20324ff10 R14: ffffb1e20324ff10 R15: ffff9e2583edd000 # [ 56.024674] FS: 00007f211d0c1580(0000) GS:ffff9e25fac00000(0000) knlGS:0000000000000000 # [ 56.040281] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.053277] CR2: 00007f211cecb000 CR3: 00000001043ec003 CR4: 00000000003706f0 # [ 56.067713] Call Trace: # [ 56.077050] ? __warn+0x80/0x110 # [ 56.087159] ? refcount_warn_saturate+0xba/0x110 # [ 56.098834] ? report_bug+0x9e/0xc0 # [ 56.109231] ? handle_bug+0x41/0x90 # [ 56.119655] ? exc_invalid_op+0x14/0x70 # [ 56.130469] ? asm_exc_invalid_op+0x12/0x20 # [ 56.141678] ? refcount_warn_saturate+0xba/0x110 # [ 56.153333] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 56.166006] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 56.178858] direct_entry.cold+0x2c/0x38 # [ 56.189774] full_proxy_write+0x53/0x80 # [ 56.200577] vfs_write+0xe7/0x3b0 # [ 56.210808] ksys_write+0x68/0xf0 # [ 56.221060] do_syscall_64+0x30/0x40 # [ 56.231549] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 56.243778] RIP: 0033:0x7f211cfd7473 # [ 56.254228] 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 # [ 56.281761] RSP: 002b:00007fff31c44848 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.296760] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f211cfd7473 # [ 56.311254] RDX: 0000000000000020 RSI: 00007f211cecb000 RDI: 0000000000000001 # [ 56.325764] RBP: 00007f211cecb000 R08: 00007f211ceca010 R09: 0000000000000000 # [ 56.340219] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 56.354705] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 56.369206] irq event stamp: 0 # [ 56.379140] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 56.392613] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 56.408308] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 56.423910] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 56.437457] ---[ end trace c17c1eb82cc650e6 ]--- # [ 56.449109] 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 # [ 56.896701] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 56.908960] lkdtm: attempting good copy_to_user of correct size # [ 56.915893] 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 # [ 57.047428] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 57.060673] lkdtm: attempting good copy_from_user of correct size # [ 57.067787] 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 # [ 57.198993] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 57.206844] lkdtm: attempting good copy_to_user inside whitelist # [ 57.220072] 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 # [ 57.367655] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 57.377718] lkdtm: attempting good copy_from_user inside whitelist # [ 57.391155] 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 # [ 57.527651] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 57.536046] lkdtm: good_stack: ffffb1e2035ffe20-ffffb1e2035ffe40 # [ 57.549278] lkdtm: bad_stack : ffffb1e2035ffda8-ffffb1e2035ffdc8 # [ 57.562525] lkdtm: attempting good copy_to_user of local stack # [ 57.575504] 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 # [ 57.726313] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 57.738981] lkdtm: good_stack: ffffb1e2036afe20-ffffb1e2036afe40 # [ 57.746015] lkdtm: bad_stack : ffffb1e2036afda8-ffffb1e2036afdc8 # [ 57.753040] lkdtm: attempting good copy_from_user of local stack # [ 57.760054] 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 # [ 57.897398] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 57.904741] lkdtm: good_stack: ffffb1e20371fe20-ffffb1e20371fe40 # [ 57.917955] lkdtm: bad_stack : ffffb1e20371fff8-ffffb1e203720018 # [ 57.931215] lkdtm: attempting good copy_to_user of local stack # [ 57.944239] lkdtm: attempting bad copy_to_user of distant stack # [ 57.957334] 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 # [ 58.092868] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 58.100426] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffa2994750 # [ 58.109389] lkdtm: attempting bad copy_to_user from kernel text: ffffffffa0ce3ce0 # [ 58.124243] 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 # [ 58.267156] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 58.279925] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 58.288115] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 58.302404] lkdtm: FAIL: the thread stack is NOT properly erased # [ 58.309416] CPU: 2 PID: 2939 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 58.324566] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.331661] Call Trace: # [ 58.334683] dump_stack+0x77/0x9b # [ 58.338672] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 58.344118] direct_entry.cold+0x2c/0x38 # [ 58.348787] full_proxy_write+0x53/0x80 # [ 58.353359] vfs_write+0xe7/0x3b0 # [ 58.357348] ksys_write+0x68/0xf0 # [ 58.361338] do_syscall_64+0x30/0x40 # [ 58.365619] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 58.371550] RIP: 0033:0x7f45ffcb2473 # [ 58.375821] 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 # [ 58.397096] RSP: 002b:00007ffcf7c1bdf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.405835] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f45ffcb2473 # [ 58.414096] RDX: 0000000000000012 RSI: 00007f45ffba6000 RDI: 0000000000000001 # [ 58.422356] RBP: 00007f45ffba6000 R08: 00007f45ffba5010 R09: 0000000000000000 # [ 58.430616] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 58.438878] 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 # [ 58.597970] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 58.609288] lkdtm: Calling matched prototype ... # [ 58.614769] lkdtm: Calling mismatched prototype ... # [ 58.620542] 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 Traceback (most recent call last): File "/lava-12965416/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/./parse-output.py", line 4, in from tap import parser ModuleNotFoundError: No module named 'tap' + ../../utils/send-to-lava.sh ./output/result.txt + set +x / #