[Enter `^Ec?' for help] coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_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_A found @ 200000 (65536 bytes) FMAP: area VBLOCK_A found @ 200000 (65536 bytes) VB2:vb2_verify_keyblock() Checking key block signature... FMAP: area VBLOCK_A found @ 200000 (65536 bytes) FMAP: area VBLOCK_A found @ 200000 (65536 bytes) VB2:vb2_verify_fw_preamble() Verifying preamble. Phase 4 FMAP: area FW_MAIN_A found @ 210000 (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 27238 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) WARNING: RW_VPD is uninitialized or empty. Normal boot. BS: BS_PRE_DEVICE times (us): entry 0 run 30 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'cpu_microcode_blob.bin' CBFS: Found @ offset 11100 size d7c00 microcode: sig=0x806e9 pf=0x10 revision=0x97 Skip microcode update CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fsps.bin' CBFS: Found @ offset 167fc0 size 2f000 Detected 2 core, 4 thread CPU. Setting up SMI for CPU IED base = 0x7b400000 IED size = 0x00400000 Will perform SMM setup. CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz. Loading module at 00030000 with entry 00030000. filesize: 0x170 memsize: 0x170 Processing 16 relocs. Offset value of 0x00030000 Attempting to start 3 APs Waiting for 10ms after sending INIT. Waiting for 1st SIPI to complete...AP: slot 1 apic_id 1. done. AP: slot 2 apic_id 3. AP: slot 3 apic_id 2. 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...CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 apic_id: 0x03 done. Setting up local APIC...Setting up local APIC...Skip microcode update apic_id: 0x02 done. CPU #2 initialized Skip microcode update apic_id: 0x01 done. CPU #3 initialized Skip microcode update CPU #1 initialized bsp_do_flight_plan done after 226 msecs. CPU: frequency set to 3400 MHz Enabling SMIs. Locking SMM. VMX : param.enable = 1 VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked VMX status: enabled, unlocked SGX: pre-conditions not met SGX: pre-conditions not met CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'vbt.bin' CBFS: Found @ offset 103a00 size 48e Found a VBT of 4608 bytes after decompression psys_pmax = 360 FMAP: area GBB found @ c11000 (978944 bytes) ITSS IRQ Polarities Before: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 ITSS IRQ Polarities After: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 Override DT after FSP-S, PCH is KBL/SKL PCH-LP SKU BS: BS_DEV_INIT_CHIPS times (us): entry 376099 run 167632 exit 0 Enumerating buses... Show all devs... Before device enumeration. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 00:5c: enabled 1 I2C: 00:15: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 APIC: 02: enabled 1 Compare with tree... Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 APIC: 00: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 APIC: 02: enabled 1 DOMAIN: 0000: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 USB0 port 0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 I2C: 00:5c: enabled 1 PCI: 00:15.1: enabled 1 I2C: 00:15: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 SPI: 00: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PNP: 0c09.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 Root Device scanning... root_dev_scan_bus for Root Device CPU_CLUSTER: 0 enabled DOMAIN: 0000 enabled DOMAIN: 0000 scanning... PCI: pci_scan_bus for bus 00 PCI: 00:00.0 [8086/0000] ops PCI: 00:00.0 [8086/590c] enabled PCI: 00:02.0 [8086/0000] ops PCI: 00:02.0 [8086/591c] enabled PCI: 00:04.0 [8086/1903] enabled PCI: 00:08.0 [8086/1911] enabled PCI: 00:14.0 [8086/0000] bus ops PCI: 00:14.0 [8086/9d2f] enabled PCI: 00:14.2 [8086/9d31] enabled PCI: 00:15.0 [8086/0000] bus ops PCI: 00:15.0 [8086/9d60] enabled PCI: 00:15.1 [8086/0000] bus ops PCI: 00:15.1 [8086/9d61] enabled PCI: 00:16.0 [8086/0000] ops PCI: 00:16.0 [8086/9d3a] enabled PCI: 00:19.0 [8086/0000] ops PCI: 00:19.0 [8086/9d66] enabled PCI: 00:19.1 [8086/0000] bus ops PCI: 00:19.1 [8086/9d65] enabled PCI: 00:1c.0 [8086/0000] bus ops PCI: 00:1c.0 [8086/9d10] enabled PCI: 00:1e.0 [8086/0000] ops PCI: 00:1e.0 [8086/9d27] enabled PCI: 00:1e.2 [8086/0000] bus ops PCI: 00:1e.2 [8086/9d29] enabled PCI: 00:1e.4 [8086/9d2b] enabled PCI: 00:1e.6 [8086/0000] ops PCI: 00:1e.6 [8086/9d2d] enabled PCI: 00:1f.0 [8086/0000] bus ops PCI: 00:1f.0 [8086/9d4b] enabled PCI: Static device PCI: 00:1f.1 not found, disabling it. PCI: 00:1f.2 [8086/0000] bus ops PCI: 00:1f.2 [8086/9d21] enabled PCI: 00:1f.3 [8086/0000] bus ops PCI: 00:1f.3 [8086/9d71] enabled PCI: 00:1f.4 [8086/0000] bus ops PCI: 00:1f.4 [8086/9d23] enabled PCI: 00:1f.5 [8086/0000] bus ops PCI: 00:1f.5 [8086/9d24] enabled PCI: 00:14.0 scanning... scan_usb_bus for PCI: 00:14.0 USB0 port 0 enabled USB0 port 0 scanning... scan_usb_bus for USB0 port 0 USB2 port 0 enabled USB2 port 1 enabled USB2 port 2 enabled USB2 port 4 enabled USB2 port 8 enabled USB2 port 0 scanning... scan_usb_bus for USB2 port 0 scan_usb_bus for USB2 port 0 done scan_bus: scanning of bus USB2 port 0 took 8973 usecs USB2 port 1 scanning... scan_usb_bus for USB2 port 1 scan_usb_bus for USB2 port 1 done scan_bus: scanning of bus USB2 port 1 took 8974 usecs USB2 port 2 scanning... scan_usb_bus for USB2 port 2 scan_usb_bus for USB2 port 2 done scan_bus: scanning of bus USB2 port 2 took 8973 usecs USB2 port 4 scanning... scan_usb_bus for USB2 port 4 scan_usb_bus for USB2 port 4 done scan_bus: scanning of bus USB2 port 4 took 8972 usecs USB2 port 8 scanning... scan_usb_bus for USB2 port 8 scan_usb_bus for USB2 port 8 done scan_bus: scanning of bus USB2 port 8 took 8964 usecs scan_usb_bus for USB0 port 0 done scan_bus: scanning of bus USB0 port 0 took 90950 usecs scan_usb_bus for PCI: 00:14.0 done scan_bus: scanning of bus PCI: 00:14.0 took 107732 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 14198 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 14157 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 22369 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 53528 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 13864 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 11326 usecs PCI: 00:1f.2 scanning... scan_lpc_bus for PCI: 00:1f.2 scan_lpc_bus for PCI: 00:1f.2 done scan_bus: scanning of bus PCI: 00:1f.2 took 9267 usecs PCI: 00:1f.3 scanning... scan_bus: scanning of bus PCI: 00:1f.3 took 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 10050 usecs PCI: 00:1f.5 scanning... scan_generic_bus for PCI: 00:1f.5 scan_generic_bus for PCI: 00:1f.5 done scan_bus: scanning of bus PCI: 00:1f.5 took 10039 usecs scan_bus: scanning of bus DOMAIN: 0000 took 466090 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 486205 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=1 MRC: NOT enabling PRR for 'UNIFIED_MRC_CACHE'. BS: BS_DEV_ENUMERATE times (us): entry 0 run 825936 exit 39265 found VGA at PCI: 00:02.0 Setting up VGA for PCI: 00:02.0 Setting PCI_BRIDGE_CTL_VGA for bridge DOMAIN: 0000 Setting PCI_BRIDGE_CTL_VGA for bridge Root Device Allocating resources... Reading resources... Root Device read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 PCI: 00:14.0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 done PCI: 00:14.0 read_resources bus 0 link: 0 done PCI: 00:15.0 read_resources bus 1 link: 0 PCI: 00:15.0 read_resources bus 1 link: 0 done PCI: 00:15.1 read_resources bus 2 link: 0 PCI: 00:15.1 read_resources bus 2 link: 0 done PCI: 00:19.1 read_resources bus 3 link: 0 PCI: 00:19.1 read_resources bus 3 link: 0 done PCI: 00:1c.0 read_resources bus 1 link: 0 PCI: 00:1c.0 read_resources bus 1 link: 0 done PCI: 00:1e.2 read_resources bus 4 link: 0 PCI: 00:1e.2 read_resources bus 4 link: 0 done PCI: 00:1f.0 read_resources bus 0 link: 0 PCI: 00:1f.0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 done Root Device read_resources bus 0 link: 0 done Done reading resources. Show resources in subtree (Root Device)...After reading. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 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 2114131 exit 30 Enabling resources... PCI: 00:00.0 subsystem <- 8086/590c PCI: 00:00.0 cmd <- 06 PCI: 00:02.0 subsystem <- 8086/591c PCI: 00:02.0 cmd <- 03 PCI: 00:04.0 cmd <- 02 PCI: 00:08.0 cmd <- 06 PCI: 00:14.0 subsystem <- 8086/9d2f PCI: 00:14.0 cmd <- 02 PCI: 00:14.2 subsystem <- 8086/9d31 PCI: 00:14.2 cmd <- 02 PCI: 00:15.0 subsystem <- 8086/9d60 PCI: 00:15.0 cmd <- 06 PCI: 00:15.1 subsystem <- 8086/9d61 PCI: 00:15.1 cmd <- 06 PCI: 00:16.0 subsystem <- 8086/9d3a PCI: 00:16.0 cmd <- 02 PCI: 00:19.0 subsystem <- 8086/9d66 PCI: 00:19.0 cmd <- 06 PCI: 00:19.1 subsystem <- 8086/9d65 PCI: 00:19.1 cmd <- 06 PCI: 00:1c.0 bridge ctrl <- 0003 PCI: 00:1c.0 subsystem <- 8086/9d10 PCI: 00:1c.0 cmd <- 06 PCI: 00:1e.0 subsystem <- 8086/9d27 PCI: 00:1e.0 cmd <- 06 PCI: 00:1e.2 subsystem <- 8086/9d29 PCI: 00:1e.2 cmd <- 06 PCI: 00:1e.4 subsystem <- 8086/9d2b PCI: 00:1e.4 cmd <- 06 PCI: 00:1e.6 subsystem <- 8086/9d2d PCI: 00:1e.6 cmd <- 06 PCI: 00:1f.0 subsystem <- 8086/9d4b PCI: 00:1f.0 cmd <- 407 PCI: 00:1f.2 subsystem <- 8086/9d21 PCI: 00:1f.2 cmd <- 02 PCI: 00:1f.3 subsystem <- 8086/9d71 PCI: 00:1f.3 cmd <- 02 PCI: 00:1f.4 subsystem <- 8086/9d23 PCI: 00:1f.4 cmd <- 03 PCI: 00:1f.5 subsystem <- 8086/9d24 PCI: 00:1f.5 cmd <- 406 PCI: 01:00.0 subsystem <- 8086/095a PCI: 01:00.0 cmd <- 02 done. ME: Version : 11.8.50.3470 BS: BS_DEV_ENABLE times (us): entry 230 run 139328 exit 22220 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 31296 usecs CPU_CLUSTER: 0 init ... CPU_CLUSTER: 0 init finished in 2444 usecs PCI: 00:00.0 init ... CPU TDP: 5 Watts CPU PL2 = 18 Watts PCI: 00:00.0 init finished in 6984 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2250 usecs PCI: 00:04.0 init ... PCI: 00:04.0 init finished in 2248 usecs PCI: 00:08.0 init ... PCI: 00:08.0 init finished in 2249 usecs PCI: 00:14.0 init ... PCI: 00:14.0 init finished in 2248 usecs PCI: 00:14.2 init ... PCI: 00:14.2 init finished in 2241 usecs PCI: 00:15.0 init ... DW I2C bus 0 at 0xd1132000 (400 KHz) PCI: 00:15.0 init finished in 5967 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 2250 usecs PCI: 00:19.1 init ... DW I2C bus 5 at 0xd1136000 (400 KHz) PCI: 00:19.1 init finished in 5958 usecs PCI: 00:1c.0 init ... Initializing PCH PCIe bridge. PCI: 00:1c.0 init finished in 5287 usecs PCI: 00:1e.4 init ... PCI: 00:1e.4 init finished in 2248 usecs PCI: 00:1f.0 init ... IOAPIC: Initializing IOAPIC at 0xfec00000 IOAPIC: Bootstrap Processor Local APIC = 0x00 IOAPIC: ID = 0x02 IOAPIC: Dumping registers reg 0x0000: 0x02000000 reg 0x0001: 0x00770020 reg 0x0002: 0x00000000 PCI: 00:1f.0 init finished in 23482 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 23812 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 2393 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 24507 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 2022-07-26 13:50:13 UTC POST: Unexpected post code in previous boot: 0x34 ELOG: Event(A3) added with size 11 at 2022-07-26 13:50:13 UTC ELOG: Event(A6) added with size 13 at 2022-07-26 13:50:13 UTC ELOG: Event(92) added with size 9 at 2022-07-26 13:50:13 UTC ELOG: Event(9A) added with size 9 at 2022-07-26 13:50:13 UTC ELOG: Event(AD) added with size 10 at 2022-07-26 13:50:13 UTC ELOG: Event(9F) added with size 14 at 2022-07-26 13:50:13 UTC BS: BS_DEV_INIT times (us): entry 0 run 417606 exit 66306 ELOG: Event(A1) added with size 10 at 2022-07-26 13:50:13 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2022-07-26 13:50:13 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 25574 run 3952 exit 5206 BS: BS_OS_RESUME_CHECK times (us): entry 0 run 55 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/dsdt.aml' CBFS: Found @ offset 19af40 size 4691 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/slic' CBFS: 'fallback/slic' not found. ACPI: Writing ACPI tables at 7aa9a000. ACPI: * FACS ACPI: * DSDT Ramoops buffer: 0x100000@0x7a999000. SGX: not enabled or not supported. skip gnvs fill ACPI: * FADT SCI is IRQ9 ACPI: added table 1/32, length now 40 ACPI: * SSDT Found 1 CPU(s) with 4 core(s) each. \_SB.PCI0.I2C0.H05C: SISC Touchscreen at I2C: 01:5c \_SB.PCI0.I2C1.D015: ELAN Touchpad at I2C: 02:15 \_SB.PCI0.I2C5.MAXR: Maxim MAX98927 Codec address 039h \_SB.PCI0.I2C5.MAXL: Maxim MAX98927 Codec address 03ah \_SB.PCI0.I2C5.DLG7: Dialog Semiconductor DA7219 Audio Codec address 01ah irq 105 Error: Could not locate 'wifi_sar' in VPD. Error: failed from getting SAR limits! \_SB.PCI0.RP01.WIFI: Intel WiFi PCI: 01:00.0 \_SB.PCI0.SPI0.S001: SPI Device at SPI: 00 \_SB.PCI0.XHCI.RHUB.HS01: USB Type C Port 1 at USB2 port 0 \_SB.PCI0.XHCI.RHUB.HS02: USB Type A Port 1 at USB2 port 1 \_SB.PCI0.XHCI.RHUB.HS03: Bluetooth at USB2 port 2 \_SB.PCI0.XHCI.RHUB.HS05: USB Type C Port 2 at USB2 port 4 \_SB.PCI0.XHCI.RHUB.HS09: Camera at USB2 port 8 ACPI: added table 2/32, length now 44 ACPI: * MCFG ACPI: added table 3/32, length now 48 ACPI: * TPM2 ACPI: added table 4/32, length now 52 ACPI: * MADT SCI is IRQ9 ACPI: added table 5/32, length now 56 current = 7aa9fa60 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-16b.bin' CBFS: Found @ offset 167000 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-32b.bin' CBFS: Found @ offset 19f640 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-24b.bin' CBFS: Found @ offset 167c00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 ACPI: * NHLT ACPI: added table 6/32, length now 60 ACPI: * DMAR ACPI: added table 7/32, length now 64 ACPI: * IGD OpRegion GMA: Found VBT in CBFS GMA: Found valid VBT in CBFS current = 7aaa3610 ACPI: added table 8/32, length now 68 ACPI: * HPET ACPI: added table 9/32, length now 72 ACPI: done. ACPI tables: 38592 bytes. smbios_write_tables: 7a998000 Create SMBIOS type 17 PCI: 01:00.0 (Intel WiFi) SMBIOS tables: 662 bytes. Writing table forward entry at 0x00000500 Wrote coreboot table at: 00000500, 0x10 bytes, checksum a532 Writing coreboot table at 0x7aabe000 0. 0000000000000000-0000000000000fff: CONFIGURATION TABLES 1. 0000000000001000-000000000009ffff: RAM 2. 00000000000a0000-00000000000fffff: RESERVED 3. 0000000000100000-000000007a997fff: RAM 4. 000000007a998000-000000007ab05fff: CONFIGURATION TABLES 5. 000000007ab06000-000000007abcffff: RAMSTAGE 6. 000000007abd0000-000000007affffff: CONFIGURATION TABLES 7. 000000007b000000-000000007fffffff: RESERVED 8. 00000000e0000000-00000000e3ffffff: RESERVED 9. 00000000fe000000-00000000fe00ffff: RESERVED 10. 00000000fed10000-00000000fed19fff: RESERVED 11. 00000000fed80000-00000000fed84fff: RESERVED 12. 00000000fed90000-00000000fed91fff: RESERVED 13. 0000000100000000-000000017effffff: RAM Graphics framebuffer located at 0xc0000000 Passing 6 GPIOs to payload: NAME | PORT | POLARITY | VALUE write protect | undefined | high | low recovery | undefined | high | low lid | undefined | high | high power | undefined | high | low oprom | undefined | high | low EC in RW | 0x00000036 | high | low Board ID: 6 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) Wrote coreboot table at: 7aabe000, 0x57c bytes, checksum 3538 coreboot table: 1428 bytes. IMD ROOT 0. 7afff000 00001000 IMD SMALL 1. 7affe000 00001000 FSP MEMORY 2. 7abfe000 00400000 CONSOLE 3. 7abde000 00020000 TIME STAMP 4. 7abdd000 00000910 VBOOT 5. 7abdc000 00000c0c MRC DATA 6. 7abda000 00001878 ROMSTG STCK 7. 7abd9000 00000400 AFTER CAR 8. 7abd0000 00009000 RAMSTAGE 9. 7ab05000 000cb000 REFCODE 10. 7aad6000 0002f000 SMM BACKUP 11. 7aac6000 00010000 COREBOOT 12. 7aabe000 00008000 ACPI 13. 7aa9a000 00024000 ACPI GNVS 14. 7aa99000 00001000 RAMOOPS 15. 7a999000 00100000 SMBIOS 16. 7a998000 00000800 IMD small region: IMD ROOT 0. 7affec00 00000400 FSP RUNTIME 1. 7affebe0 00000004 VBOOT SEL 2. 7affebc0 00000008 EC HOSTEVENT 3. 7affeba0 00000008 POWER STATE 4. 7affeb60 00000040 ROMSTAGE 5. 7affeb40 00000004 MEM INFO 6. 7affe980 000001a9 COREBOOTFWD 7. 7affe940 00000028 MTRR: Physical address space: 0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6 0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0 0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6 0x000000007b800000 - 0x00000000c0000000 size 0x44800000 type 0 0x00000000c0000000 - 0x00000000d0000000 size 0x10000000 type 1 0x00000000d0000000 - 0x0000000100000000 size 0x30000000 type 0 0x0000000100000000 - 0x000000017f000000 size 0x7f000000 type 6 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 call enable_fixed_mtrr() CPU physical address size: 39 bits MTRR: default type WB/UC MTRR counts: 6/5. MTRR: UC selected as default type. MTRR: 0 base 0x0000000000000000 mask 0x0000007f80000000 type 6 MTRR: 1 base 0x000000007b800000 mask 0x0000007fff800000 type 0 MTRR: 2 base 0x000000007c000000 mask 0x0000007ffc000000 type 0 MTRR: 3 base 0x00000000c0000000 mask 0x0000007ff0000000 type 1 MTRR: 4 base 0x0000000100000000 mask 0x0000007f80000000 type 6 MTRR check Fixed MTRRs : Enabled Variable MTRRs: Enabled MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 BS: BS_WRITE_TABLES times (us): entry 0 run 533995 exit 146851 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 606 run 261932 exit 135683 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 6894846/tftp-deploy-tg42mrrv/kernel/bzImage 6894846/tftp-deploy-tg42mrrv/kernel/cmdline 6894846/tftp-deploy-tg42mrrv/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 6894846/tftp-deploy-tg42mrrv/kernel/bzImoy-tg42mrrv/kernel/cmdline 6894846/tftp-deploy-tg42mrrv/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 192.168.201.20 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 6894846/tftp-deploy-tg42mrrv/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 ############################################################### done. The bootfile was 13097920 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 ############### done. Sending tftp read request... done. Waiting for the transfer... 00000000 # done. Command line loaded dynamically from TFTP file: 6894846/tftp-deploy-tg42mrrv/kernel/cmdline The command line is: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/6894846/extract-nfsrootfs-_e_8tjyy,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: 17397845 Starting kernel ... [ 0.000000] Linux version 5.10.129-cip12 (KernelCI@build-j402801-x86-64-gcc-10-x86-64-defconfig-x86-chromeboo2cxd5) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Tue Jul 26 13:44:52 UTC 2022 [ 0.000000] Command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/6894846/extract-nfsrootfs-_e_8tjyy,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.000000] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x008: 'MPX bounds registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x010: 'MPX CSR' [ 0.000000] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 0.000000] x86/fpu: xstate_offset[3]: 832, xstate_sizes[3]: 64 [ 0.000000] x86/fpu: xstate_offset[4]: 896, xstate_sizes[4]: 64 [ 0.000000] x86/fpu: Enabled xstate features 0x1f, context size is 960 bytes, using 'compacted' format. [ 0.000000] BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x0000000000000fff] type 16 [ 0.000000] BIOS-e820: [mem 0x0000000000001000-0x000000000009ffff] usable [ 0.000000] BIOS-e820: [mem 0x00000000000a0000-0x00000000000fffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000007a997fff] usable [ 0.000000] BIOS-e820: [mem 0x000000007a998000-0x000000007affffff] type 16 [ 0.000000] BIOS-e820: [mem 0x000000007b000000-0x000000007fffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000e0000000-0x00000000e3ffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fe000000-0x00000000fe00ffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fed10000-0x00000000fed19fff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fed80000-0x00000000fed84fff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fed90000-0x00000000fed91fff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000017effffff] usable [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] SMBIOS 2.7 present. [ 0.000000] DMI: Google Rammus/Rammus, BIOS 09/04/2020 [ 0.000000] tsc: Detected 1600.000 MHz processor [ 0.000000] tsc: Detected 1599.960 MHz TSC [ 0.000052] last_pfn = 0x17f000 max_arch_pfn = 0x400000000 [ 0.001357] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.006961] last_pfn = 0x7a998 max_arch_pfn = 0x400000000 [ 0.023132] check: Scanning 1 areas for low memory corruption [ 0.023145] Using GB pages for direct mapping [ 0.023743] RAMDISK: [mem 0x377e2000-0x37ffffff] [ 0.023750] ACPI: Early table checksum verification disabled [ 0.023758] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) [ 0.023771] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.023787] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.023803] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531) [ 0.023816] ACPI: FACS 0x000000007AA9A240 000040 [ 0.023827] ACPI: FACS 0x000000007AA9A240 000040 [ 0.023838] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE COREBOOT 0000002A CORE 0000002A) [ 0.023850] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.023862] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.023873] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE COREBOOT 00000000 CORE 00000000) [ 0.023885] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS 00000000 CORE 00000000) [ 0.023897] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.023909] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE COREBOOT 00000000 CORE 00000000) [ 0.023921] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.023933] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63] [ 0.023938] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962] [ 0.023942] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.023947] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.023952] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969] [ 0.023956] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab] [ 0.023961] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef] [ 0.023966] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b] [ 0.023970] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b] [ 0.023975] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607] [ 0.023980] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670] [ 0.023984] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7] [ 0.024123] No NUMA configuration found [ 0.024128] Faking a node at [mem 0x0000000000000000-0x000000017effffff] [ 0.024138] NODE_DATA(0) allocated [mem 0x17effc000-0x17effffff] [ 0.024180] Zone ranges: [ 0.024184] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.024192] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.024199] Normal [mem 0x0000000100000000-0x000000017effffff] [ 0.024206] Movable zone start for each node [ 0.024211] Early memory node ranges [ 0.024216] node 0: [mem 0x0000000000001000-0x000000000009ffff] [ 0.024221] node 0: [mem 0x0000000000100000-0x000000007a997fff] [ 0.024226] node 0: [mem 0x0000000100000000-0x000000017effffff] [ 0.024232] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff] [ 0.024267] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.024312] On node 0, zone DMA: 96 pages in unavailable ranges [ 0.035232] On node 0, zone Normal: 22120 pages in unavailable ranges [ 0.035297] On node 0, zone Normal: 4096 pages in unavailable ranges [ 0.035323] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] [ 0.035677] ACPI: PM-Timer IO Port: 0x1808 [ 0.035730] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 [ 0.035742] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.035748] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.035761] Using ACPI (MADT) for SMP configuration information [ 0.035767] ACPI: HPET id: 0x8086a701 base: 0xfed00000 [ 0.035774] TSC deadline timer available [ 0.035779] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.035805] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.035811] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] [ 0.035816] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff] [ 0.035820] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] [ 0.035824] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff] [ 0.035828] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff] [ 0.035832] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff] [ 0.035837] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff] [ 0.035841] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff] [ 0.035845] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff] [ 0.035848] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff] [ 0.035852] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff] [ 0.035874] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff] [ 0.035878] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff] [ 0.035882] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff] [ 0.035890] [mem 0x80000000-0xdfffffff] available for PCI devices [ 0.035897] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.049199] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 [ 0.049467] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 [ 0.049534] Built 1 zonelists, mobility grouping on. Total pages: 1006266 [ 0.049538] Policy zone: Normal [ 0.049551] Kernel command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/6894846/extract-nfsrootfs-_e_8tjyy,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.050060] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.050301] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.050381] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.071424] Memory: 3892576K/4089052K available (18450K kernel code, 3458K rwdata, 5992K rodata, 1688K init, 11616K bss, 196216K reserved, 0K cma-reserved) [ 0.071581] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.071636] Kernel/User page tables isolation: enabled [ 0.071719] ftrace: allocating 52718 entries in 206 pages [ 0.109112] ftrace: allocated 206 pages with 5 groups [ 0.109392] Running RCU self tests [ 0.109414] rcu: Hierarchical RCU implementation. [ 0.109418] rcu: RCU event tracing is enabled. [ 0.109423] rcu: RCU lockdep checking is enabled. [ 0.109428] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. [ 0.109433] Rude variant of Tasks RCU enabled. [ 0.109437] Tracing variant of Tasks RCU enabled. [ 0.109442] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.109446] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.119353] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 [ 0.119823] random: crng init done [ 0.119928] Console: colour dummy device 80x25 [ 0.195065] printk: console [ttyS0] enabled [ 0.195433] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.196094] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.196454] ... MAX_LOCK_DEPTH: 48 [ 0.196821] ... MAX_LOCKDEP_KEYS: 8192 [ 0.197203] ... CLASSHASH_SIZE: 4096 [ 0.197584] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.197973] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.198362] ... CHAINHASH_SIZE: 32768 [ 0.198751] memory used by lock dependency info: 6365 kB [ 0.199219] memory used for stack traces: 4224 kB [ 0.199636] per task-struct memory footprint: 1920 bytes [ 0.200153] ACPI: Core revision 20200925 [ 0.200724] hpet: HPET dysfunctional in PC10. Force disabled. [ 0.201224] APIC: Switch to symmetric I/O mode setup [ 0.205722] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns [ 0.206638] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960) [ 0.207543] pid_max: default: 32768 minimum: 301 [ 0.207623] LSM: Security Framework initializing [ 0.207623] SELinux: Initializing. [ 0.207623] LSM support for eBPF active [ 0.207623] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.207623] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.207623] mce: CPU0: Thermal monitoring enabled (TM1) [ 0.207623] process: using mwait in idle threads [ 0.207623] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 0.207623] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 0.207623] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.207623] Spectre V2 : Mitigation: Retpolines [ 0.207623] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.207623] Spectre V2 : Enabling Restricted Speculation for firmware calls [ 0.207623] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 0.207623] Spectre V2 : User space: Mitigation: STIBP via seccomp and prctl [ 0.207623] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp [ 0.207623] MDS: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.207623] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.207623] SRBDS: Vulnerable: No microcode [ 0.207623] Freeing SMP alternatives memory: 44K [ 0.207623] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9) [ 0.208325] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver. [ 0.208638] ... version: 4 [ 0.208995] ... bit width: 48 [ 0.209355] ... generic registers: 4 [ 0.209629] ... value mask: 0000ffffffffffff [ 0.210093] ... max period: 00007fffffffffff [ 0.210555] ... fixed-purpose events: 3 [ 0.210629] ... event mask: 000000070000000f [ 0.211623] rcu: Hierarchical SRCU implementation. [ 0.213695] smp: Bringing up secondary CPUs ... [ 0.214881] x86: Booting SMP configuration: [ 0.215271] .... node #0, CPUs: #1 [ 0.216024] MDS CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/mds.html for more details. [ 0.217631] MMIO Stale Data CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/processor_mmio_stale_data.html for more details. [ 0.219322] #2 #3 [ 0.221778] smp: Brought up 1 node, 4 CPUs [ 0.222242] smpboot: Max logical packages: 1 [ 0.222633] smpboot: Total of 4 processors activated (12799.68 BogoMIPS) [ 0.224987] devtmpfs: initialized [ 0.225952] x86/mm: Memory block size: 128MB [ 0.230683] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.231476] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) [ 0.232099] pinctrl core: initialized pinctrl subsystem [ 0.232931] PM: RTC time: 13:50:26, date: 2022-07-26 [ 0.233957] NET: Registered protocol family 16 [ 0.235172] audit: initializing netlink subsys (disabled) [ 0.235682] audit: type=2000 audit(1658843426.029:1): state=initialized audit_enabled=0 res=1 [ 0.236454] thermal_sys: Registered thermal governor 'step_wise' [ 0.236460] thermal_sys: Registered thermal governor 'user_space' [ 0.236721] cpuidle: using governor menu [ 0.237800] ACPI: bus type PCI registered [ 0.238637] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000) [ 0.239437] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820 [ 0.239667] PCI: Using configuration type 1 for base access [ 0.265506] Kprobes globally optimized [ 0.265774] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.266647] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.267417] cryptomgr_test (38) used greatest stack depth: 14880 bytes left [ 0.270645] ACPI: Added _OSI(Module Device) [ 0.271019] ACPI: Added _OSI(Processor Device) [ 0.271411] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.271631] ACPI: Added _OSI(Processor Aggregator Device) [ 0.272104] ACPI: Added _OSI(Linux-Dell-Video) [ 0.272497] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.272631] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 0.286301] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 0.295000] ACPI: EC: EC started [ 0.295314] ACPI: EC: interrupt blocked [ 0.296413] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.296634] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions [ 0.297270] ACPI: Interpreter enabled [ 0.297659] ACPI: (supports S0 S3 S4 S5) [ 0.298010] ACPI: Using IOAPIC for interrupt routing [ 0.298526] PCI: Using host bridge windows from ACPI; if necessary, use \"pci=nocrs\" and report a bug [ 0.316424] ACPI: Power Resource [PRIC] (on) [ 0.447668] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.448217] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 0.448931] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] [ 0.449599] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge [ 0.450289] PCI host bridge to bus 0000:00 [ 0.450634] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.451222] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 0.451631] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.452276] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window] [ 0.452630] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window] [ 0.453275] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window] [ 0.453630] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window] [ 0.454275] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window] [ 0.454630] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window] [ 0.455276] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window] [ 0.455630] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window] [ 0.456275] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window] [ 0.456630] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window] [ 0.457275] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window] [ 0.457630] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window] [ 0.458276] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window] [ 0.458630] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window] [ 0.459275] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window] [ 0.459630] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window] [ 0.460275] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window] [ 0.460631] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.461196] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000 [ 0.462688] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000 [ 0.463235] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit] [ 0.463645] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref] [ 0.464277] pci 0000:00:02.0: reg 0x20: [io 0x1c00-0x1c3f] [ 0.465326] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000 [ 0.465656] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit] [ 0.467062] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000 [ 0.467611] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit] [ 0.468336] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330 [ 0.468670] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit] [ 0.469401] pci 0000:00:14.0: PME# supported from D3hot D3cold [ 0.470456] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000 [ 0.470670] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit] [ 0.471987] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000 [ 0.472548] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit] [ 0.473510] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000 [ 0.473677] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit] [ 0.475162] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000 [ 0.475678] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit] [ 0.476289] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit] [ 0.477479] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000 [ 0.477677] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit] [ 0.479173] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400 [ 0.479839] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold [ 0.481193] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000 [ 0.481678] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit] [ 0.483147] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000 [ 0.483678] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit] [ 0.485139] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501 [ 0.485673] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit] [ 0.487234] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501 [ 0.487671] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit] [ 0.489086] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100 [ 0.490435] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000 [ 0.490663] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff] [ 0.492016] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100 [ 0.492575] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit] [ 0.492700] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit] [ 0.493392] pci 0000:00:1f.3: PME# supported from D3hot D3cold [ 0.494440] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500 [ 0.494697] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit] [ 0.495353] pci 0000:00:1f.4: reg 0x20: [io 0xefa0-0xefbf] [ 0.496410] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000 [ 0.496663] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff] [ 0.498302] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 [ 0.498879] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit] [ 0.500867] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold [ 0.503443] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 0.503647] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 0.505602] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.506549] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15) [ 0.506912] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.507827] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.508748] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.509664] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.510573] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.510910] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.517588] ACPI: EC: interrupt unblocked [ 0.517629] ACPI: EC: event unblocked [ 0.517974] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.518423] ACPI: EC: GPE=0x6e [ 0.518634] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete [ 0.519245] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events [ 0.520078] iommu: Default domain type: Translated [ 0.520812] pci 0000:00:02.0: vgaarb: setting as boot VGA device [ 0.521238] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.521672] pci 0000:00:02.0: vgaarb: bridge control possible [ 0.522175] vgaarb: loaded [ 0.522989] SCSI subsystem initialized [ 0.523743] ACPI: bus type USB registered [ 0.524256] usbcore: registered new interface driver usbfs [ 0.524704] usbcore: registered new interface driver hub [ 0.525212] usbcore: registered new device driver usb [ 0.525773] pps_core: LinuxPPS API ver. 1 registered [ 0.526209] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.526642] PTP clock support registered [ 0.527800] Advanced Linux Sound Architecture Driver Initialized. [ 0.529707] NetLabel: Initializing [ 0.530017] NetLabel: domain hash size = 128 [ 0.530400] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.530708] NetLabel: unlabeled traffic allowed by default [ 0.531763] PCI: Using ACPI for IRQ routing [ 0.539625] clocksource: Switched to clocksource tsc-early [ 0.960973] VFS: Disk quotas dquot_6.6.0 [ 0.961374] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 0.962380] pnp: PnP ACPI init [ 0.963530] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved [ 0.964136] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved [ 0.964727] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved [ 0.965303] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved [ 0.965890] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved [ 0.966467] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved [ 0.967084] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved [ 0.967701] system 00:00: [mem 0xff000000-0xffffffff] has been reserved [ 0.968276] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved [ 0.968867] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved [ 0.970418] system 00:01: [io 0x1800-0x18fe] has been reserved [ 0.971360] system 00:03: [io 0x0900-0x09fe] has been reserved [ 0.972163] system 00:04: [io 0x0200] has been reserved [ 0.972645] system 00:04: [io 0x0204] has been reserved [ 0.973113] system 00:04: [io 0x0800-0x087f] has been reserved [ 0.973645] system 00:04: [io 0x0880-0x08ff] has been reserved [ 0.976732] pnp: PnP ACPI: found 6 devices [ 0.992176] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 0.993084] NET: Registered protocol family 2 [ 0.993682] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 0.996245] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) [ 0.997249] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) [ 0.998204] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) [ 1.000989] TCP: Hash tables configured (established 32768 bind 32768) [ 1.001888] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) [ 1.002904] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.003817] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.004894] NET: Registered protocol family 1 [ 1.006057] RPC: Registered named UNIX socket transport module. [ 1.006600] RPC: Registered udp transport module. [ 1.007041] RPC: Registered tcp transport module. [ 1.007455] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 1.008657] NET: Registered protocol family 44 [ 1.009071] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 1.009524] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 1.010148] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 1.010717] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 1.011255] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 1.011919] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window] [ 1.012513] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window] [ 1.013121] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window] [ 1.013749] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window] [ 1.014352] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window] [ 1.014985] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window] [ 1.015587] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window] [ 1.016198] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window] [ 1.016873] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window] [ 1.017496] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window] [ 1.018110] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window] [ 1.018722] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window] [ 1.019324] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window] [ 1.019935] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window] [ 1.020536] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window] [ 1.021161] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window] [ 1.021774] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window] [ 1.022377] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff] [ 1.023411] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 1.026332] PCI: CLS 64 bytes, default 64 [ 1.027092] Unpacking initramfs... [ 1.348435] Freeing initrd memory: 8312K [ 1.348928] DMAR: Host address width 39 [ 1.349301] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 [ 1.349863] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e [ 1.350589] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff [ 1.351147] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 [ 1.351645] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da [ 1.352425] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.352999] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB) [ 1.353914] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer [ 1.354595] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules [ 1.355122] RAPL PMU: hw unit of domain package 2^-14 Joules [ 1.355615] RAPL PMU: hw unit of domain dram 2^-14 Joules [ 1.356168] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules [ 1.356673] RAPL PMU: hw unit of domain psys 2^-14 Joules [ 1.359024] kvm: already loaded the other module [ 1.385124] check: Scanning for low memory corruption every 60 seconds [ 1.389012] Initialise system trusted keyrings [ 1.389687] workingset: timestamp_bits=56 max_order=20 bucket_order=0 [ 1.410794] NFS: Registering the id_resolver key type [ 1.411279] Key type id_resolver registered [ 1.411691] Key type id_legacy registered [ 1.432504] Key type asymmetric registered [ 1.432918] Asymmetric key parser 'x509' registered [ 1.433395] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 1.434063] io scheduler mq-deadline registered [ 1.434464] io scheduler kyber registered [ 1.435055] test_firmware: interface ready [ 1.437053] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120 [ 1.438914] ACPI: AC Adapter [AC] (on-line) [ 1.439704] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0 [ 1.441361] ACPI: Lid Switch [LID0] [ 1.441971] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 [ 1.442873] ACPI: Power Button [PWRF] [ 1.443551] ACPI: \_PR_.CP00: Found 3 idle states [ 1.444803] ACPI: \_PR_.CP01: Found 3 idle states [ 1.445844] ACPI: \_PR_.CP02: Found 3 idle states [ 1.446871] ACPI: \_PR_.CP03: Found 3 idle states [ 1.448372] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.452685] hpet_acpi_add: no address or irqs in _CRS [ 1.453247] battery: ACPI: Battery Slot [BAT0] (battery present) [ 1.453434] Non-volatile memory driver v1.3 [ 1.454426] Linux agpgart interface v0.103 [ 1.457833] i915 0000:00:02.0: vgaarb: deactivate vga console [ 1.511235] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 1.512580] i915 0000:00:02.0: Direct firmware load for i915/kbl_dmc_ver1_04.bin failed with error -2 [ 1.513514] i915 0000:00:02.0: [drm] Failed to load DMC firmware i915/kbl_dmc_ver1_04.bin. Disabling runtime power management. [ 1.514729] i915 0000:00:02.0: [drm] DMC firmware homepage: https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915 [ 1.547294] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 [ 1.551451] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 [ 1.571080] loop: module loaded [ 1.572245] lkdtm: No crash points registered, enable through debugfs [ 1.598025] printk: console [ttyS0] disabled [ 1.598740] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A [ 2.413878] tsc: Refined TSC clocksource calibration: 1608.000 MHz [ 2.419499] printk: console [ttyS0] enabled [ 2.426806] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172daa3a18b, max_idle_ns: 440795212390 ns [ 2.447496] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A [ 4.830538] clocksource: Switched to clocksource tsc [ 4.830738] fbcon: i915drmfb (fb0) is primary device [ 4.833610] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO [ 4.843218] e100: Intel(R) PRO/100 Network Driver [ 4.843222] e100: Copyright(c) 1999-2006 Intel Corporation [ 4.843290] e1000: Intel(R) PRO/1000 Network Driver [ 4.843293] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 4.843379] e1000e: Intel(R) PRO/1000 Network Driver [ 4.843381] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 4.843471] sky2: driver version 1.30 [ 4.843883] usbcore: registered new interface driver r8152 [ 4.844444] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 4.844464] ehci-pci: EHCI PCI platform driver [ 4.844535] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 4.844551] ohci-pci: OHCI PCI platform driver [ 4.844618] uhci_hcd: USB Universal Host Controller Interface driver [ 4.844750] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2 [ 4.845795] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 4.846572] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 [ 4.847950] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 [ 4.847999] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported [ 4.849985] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 4.850003] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.850007] usb usb1: Product: xHCI Host Controller [ 4.850011] usb usb1: Manufacturer: Linux 5.10.129-cip12 xhci-hcd [ 4.850014] usb usb1: SerialNumber: 0000:00:14.0 [ 4.851569] hub 1-0:1.0: USB hub found [ 4.851774] hub 1-0:1.0: 12 ports detected [ 4.855405] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 4.856021] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 [ 4.856039] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed [ 4.856566] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 [ 4.856580] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.856584] usb usb2: Product: xHCI Host Controller [ 4.856588] usb usb2: Manufacturer: Linux 5.10.129-cip12 xhci-hcd [ 4.856592] usb usb2: SerialNumber: 0000:00:14.0 [ 4.858090] hub 2-0:1.0: USB hub found [ 4.858199] hub 2-0:1.0: 6 ports detected [ 4.860293] usbcore: registered new interface driver usblp [ 4.860374] usbcore: registered new interface driver usb-storage [ 4.860888] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers [ 4.861023] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 [ 4.861025] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp [ 4.861754] i8042: Warning: Keylock active [ 4.862001] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 4.863899] rtc_cmos 00:02: RTC can wake from S4 [ 4.866489] rtc_cmos 00:02: registered as rtc0 [ 4.866807] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram [ 4.867014] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 [ 4.868179] Console: switching to colour frame buffer device 240x67 [ 4.868365] i801_smbus 0000:00:1f.4: SPD Write Disable is set [ 4.868425] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt [ 4.869737] i2c i2c-9: 2/2 memory slots populated (from DMI) [ 4.871584] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com [ 4.871659] intel_pstate: Intel P-state driver initializing [ 4.871842] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0) [ 4.872553] intel_pstate: HWP enabled [ 4.872599] sdhci: Secure Digital Host Controller Interface driver [ 4.872601] sdhci: Copyright(c) Pierre Ossman [ 4.872658] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21) [ 4.873905] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit [ 4.874065] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 4.875500] hid: raw HID events driver (C) Jiri Kosina [ 4.876100] usbcore: registered new interface driver usbhid [ 4.876101] usbhid: USB HID core driver [ 4.876598] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3 [ 4.882169] cros_ec_lpcs GOOG0004:00: Chrome EC device registered [ 4.884841] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device [ 4.890987] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100 [ 4.977112] 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 [ 4.984006] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 5.102651] usb 1-3: new full-speed USB device number 2 using xhci_hcd [ 5.109850] gre: GRE over IPv4 demultiplexor driver [ 5.218812] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) [ 5.222153] ip_gre: GRE over IPv4 tunneling driver [ 5.223289] IPv4 over IPsec tunneling driver [ 5.243324] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up [ 5.244672] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 [ 5.245735] Initializing XFRM netlink socket [ 5.246309] NET: Registered protocol family 10 [ 5.247190] Segment Routing with IPv6 [ 5.247851] ip6_gre: GRE over IPv6 tunneling driver [ 5.248151] NET: Registered protocol family 17 [ 5.248260] Key type dns_resolver registered [ 5.276374] mmc0: new HS400 MMC card at address 0001 [ 5.283765] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 5.358726] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.364927] microcode: sig=0x806e9, pf=0x10, revision=0x98 [ 5.470046] microcode: Microcode Update Driver: v2.2. [ 5.470053] IPI shorthand broadcast: enabled [ 5.470313] mmcblk0: mmc0:0001 DA4064 58.2 GiB [ 5.470617] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 [ 5.470642] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6 [ 5.470645] usb 2-3: Product: USB 10/100/1000 LAN [ 5.470647] usb 2-3: Manufacturer: Realtek [ 5.470650] usb 2-3: SerialNumber: 001000001 [ 5.475783] sched_clock: Marking stable (5388878715, 86838539)->(5504761666, -29044412) [ 5.480666] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB [ 5.503001] registered taskstats version 1 [ 5.508144] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB [ 5.512675] Loading compiled-in X.509 certificates [ 5.517576] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (246:0) [ 5.528751] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.547280] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 [ 5.556051] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.581917] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.591078] PM: Magic number: 14:127:838 [ 5.595706] platform idma64.5: hash matches [ 5.600631] printk: console [netcon0] enabled [ 5.605510] netconsole: network logging started [ 5.610644] usb 1-9: new high-speed USB device number 3 using xhci_hcd [ 5.780965] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07 [ 5.790155] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2 [ 5.798153] usb 1-9: Product: USB2.0 HD UVC WebCam [ 5.803529] usb 1-9: Manufacturer: Azurewave [ 5.808329] usb 1-9: SerialNumber: 0x0001 [ 5.820729] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.862185] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.888187] r8152 2-3:1.0: Direct firmware load for rtl_nic/rtl8153b-2.fw failed with error -2 [ 5.897962] r8152 2-3:1.0: unable to load firmware patch rtl_nic/rtl8153b-2.fw (-2) [ 5.936801] r8152 2-3:1.0 eth0: v1.11.11 [ 5.941705] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.942086] IP-Config: Failed to open gretap0 [ 5.954876] IP-Config: Failed to open erspan0 [ 5.977863] Sending DHCP requests . [ 7.557681] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 7.568926] r8152 2-3:1.0 eth0: carrier on [ 8.900781] ., OK [ 8.911045] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.20 [ 8.920022] IP-Config: Complete: [ 8.923655] device=eth0, hwaddr=00:e0:4c:68:0a:98, ipaddr=192.168.201.20, mask=255.255.255.0, gw=192.168.201.1 [ 8.935345] host=asus-C433TA-AJ0005-rammus-cbg-2, domain=lava-rack, nis-domain=(none) [ 8.944601] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= [ 8.944604] nameserver0=192.168.201.1 [ 8.957424] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 8.968661] modprobe (100) used greatest stack depth: 14208 bytes left [ 8.971500] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 8.983531] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 8.983725] ALSA device list: [ 8.993232] cfg80211: failed to load regulatory.db [ 8.996581] No soundcards found. [ 9.006132] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console [ 9.015768] Freeing unused kernel image (initmem) memory: 1688K [ 9.030913] Write protecting the kernel read-only data: 26624k [ 9.038444] Freeing unused kernel image (text/rodata gap) memory: 2028K [ 9.046125] Freeing unused kernel image (rodata/data gap) memory: 152K [ 9.053462] Run /init as init process Loading, please wait... [ 9.064733] cat (114) used greatest stack depth: 13688 bytes left Starting version 247.3-7 [ 9.073494] systemd-udevd (122) used greatest stack depth: 13672 bytes left [ 9.118311] udevadm (124) used greatest stack depth: 13576 bytes left [ 9.242416] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. [ 9.251483] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.280253] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.330109] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.340792] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.361170] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.376051] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.385871] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.395620] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.413462] udevadm (140) used greatest stack depth: 13400 bytes left Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... done. IP-Config: gretap0 hardware address 00:00:00:00:00:00 mtu 1462 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: erspan0 hardware address 00:00:00:00:00:00 mtu 1450 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: eth0 hardware address 00:e0:4c:68:0a:98 mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.20 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 : [ 9.551997] nfsmount (161) used greatest stack depth: 12680 bytes left done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. SELinux: Could not open policy file <= /etc/selinux/targeted/policy/policy.33: No such file or directory [ 10.751679] systemd[1]: systemd 247.3-7 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified) [ 10.788906] systemd[1]: Detected architecture x86-64. Welcome to [1mDebian GNU/Linux 11 (bullseye)[0m! [ 10.818844] systemd[1]: Set hostname to . [ 11.321618] systemd[1]: Queued start job for default target Graphical Interface. [ 11.333346] systemd[1]: Created slice system-getty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-getty.slice[0m. [ 11.349346] systemd[1]: Created slice system-modprobe.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-modprobe.slice[0m. [ 11.365363] systemd[1]: Created slice system-serial\x2dgetty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-serial\x2dgetty.slice[0m. [ 11.382341] systemd[1]: Created slice User and Session Slice. [[0;32m OK [0m] Created slice [0;1;39mUser and Session Slice[0m. [ 11.398327] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [[0;32m OK [0m] Started [0;1;39mDispatch Password …ts to Console Directory Watch[0m. [ 11.417281] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [[0;32m OK [0m] Started [0;1;39mForward Password R…uests to Wall Directory Watch[0m. [ 11.439108] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [[0;32m OK [0m] Set up automount [0;1;39mArbitrary…s File System Automount Point[0m. [ 11.462055] systemd[1]: Reached target Local Encrypted Volumes. [[0;32m OK [0m] Reached target [0;1;39mLocal Encrypted Volumes[0m. [ 11.477950] systemd[1]: Reached target Paths. [[0;32m OK [0m] Reached target [0;1;39mPaths[0m. [ 11.489919] systemd[1]: Reached target Remote File Systems. [[0;32m OK [0m] Reached target [0;1;39mRemote File Systems[0m. [ 11.505894] systemd[1]: Reached target Slices. [[0;32m OK [0m] Reached target [0;1;39mSlices[0m. [ 11.517071] systemd[1]: Reached target Swap. [[0;32m OK [0m] Reached target [0;1;39mSwap[0m. [ 11.528843] systemd[1]: Listening on initctl Compatibility Named Pipe. [[0;32m OK [0m] Listening on [0;1;39minitctl Compatibility Named Pipe[0m. [ 11.548477] systemd[1]: Listening on Journal Audit Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Audit Socket[0m. [ 11.566088] systemd[1]: Listening on Journal Socket (/dev/log). [[0;32m OK [0m] Listening on [0;1;39mJournal Socket (/dev/log)[0m. [ 11.583271] systemd[1]: Listening on Journal Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Socket[0m. [ 11.600467] systemd[1]: Listening on Network Service Netlink Socket. [[0;32m OK [0m] Listening on [0;1;39mNetwork Service Netlink Socket[0m. [ 11.621450] systemd[1]: Listening on udev Control Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Control Socket[0m. [ 11.638062] systemd[1]: Listening on udev Kernel Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Kernel Socket[0m. [ 11.657827] systemd[1]: Mounting Huge Pages File System... Mounting [0;1;39mHuge Pages File System[0m... [ 11.679034] systemd[1]: Mounting POSIX Message Queue File System... Mounting [0;1;39mPOSIX Message Queue File System[0m... [ 11.696754] systemd[1]: Mounting Kernel Debug File System... Mounting [0;1;39mKernel Debug File System[0m... [ 11.713988] systemd[1]: Mounting Kernel Trace File System... Mounting [0;1;39mKernel Trace File System[0m... [ 11.736589] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting [0;1;39mCreate list of st…odes for the current kernel[0m... [ 11.756038] systemd[1]: Starting Load Kernel Module configfs... Starting [0;1;39mLoad Kernel Module configfs[0m... [ 11.774542] systemd[1]: Starting Load Kernel Module drm... Starting [0;1;39mLoad Kernel Module drm[0m... [ 11.789377] systemd[1]: Starting Load Kernel Module fuse... Starting [0;1;39mLoad Kernel Module fuse[0m... [ 11.827443] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 11.837966] fuse: init (API version 7.32) [ 11.844123] systemd[1]: Starting Journal Service... Starting [0;1;39mJournal Service[0m... [ 11.860204] systemd[1]: Starting Load Kernel Modules... Starting [0;1;39mLoad Kernel Modules[0m... [ 11.874126] systemd[1]: Starting Remount Root and Kernel File Systems... Starting [0;1;39mRemount Root and Kernel File Systems[0m... [ 11.893283] systemd[1]: Starting Coldplug All udev Devices... Starting [0;1;39mColdplug All udev Devices[0m... [ 11.909472] systemd[1]: Mounted Huge Pages File System. [[0;32m OK [0m] Mounted [0;1;39mHuge Pages File System[0m. [ 11.925175] systemd[1]: Mounted POSIX Message Queue File System. [[0;32m OK [0m] Mounted [0;1;39mPOSIX Message Queue File System[0m. [ 11.941021] systemd[1]: Mounted Kernel Debug File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Debug File System[0m. [ 11.955998] systemd[1]: Mounted Kernel Trace File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Trace File System[0m. [ 11.973224] systemd[1]: Finished Create list of static device nodes for the current kernel. [[0;32m OK [0m] Finished [0;1;39mCreate list of st… nodes for the current kernel[0m. [ 11.993670] systemd[1]: modprobe@configfs.service: Succeeded. [ 12.000704] systemd[1]: Finished Load Kernel Module configfs. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module configfs[0m. [ 12.015996] systemd[1]: Started Journal Service. [[0;32m OK [0m] Started [0;1;39mJournal Service[0m. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module drm[0m. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module fuse[0m. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Modules[0m. [[0;32m OK [0m] Finished [0;1;39mRemount Root and Kernel File Systems[0m. Mounting [0;1;39mFUSE Control File System[0m... Mounting [0;1;39mKernel Configuration File System[0m... Starting [0;1;39mFlush Journal to Persistent Storage[0m... Starting [0;1;39mLoad/Save Random Seed[0m... Starting [0;1;39mApply Kernel Variables[0m... Starting [0;1;39mCreate System Users[0m... [ 12.133054] systemd-journald[197]: Received client request to flush runtime journal. [[0;32m OK [0m] Mounted [0;1;39mFUSE Control File System[0m. [[0;32m OK [0m] Mounted [0;1;39mKernel Configuration File System[0m. [[0;32m OK [0m] Finished [0;1;39mLoad/Save Random Seed[0m. [[0;32m OK [0m] Finished [0;1;39mApply Kernel Variables[0m. [[0;32m OK [0m] Finished [0;1;39mColdplug All udev Devices[0m. [[0;32m OK [0m] Finished [0;1;39mFlush Journal to Persistent Storage[0m. [[0;32m OK [0m] Finished [0;1;39mCreate System Users[0m. Starting [0;1;39mCreate Static Device Nodes in /dev[0m... [ 13.729486] systemd-tmpfile (209) used greatest stack depth: 12528 bytes left [[0;32m OK [0m] Finished [0;1;39mCreate Static Device Nodes in /dev[0m. [[0;32m OK [0m] Reached target [0;1;39mLocal File Systems (Pre)[0m. [[0;32m OK [0m] Reached target [0;1;39mLocal File Systems[0m. Starting [0;1;39mCreate Volatile Files and Directories[0m... Starting [0;1;39mRule-based Manage…for Device Events and Files[0m... [[0;32m OK [0m] Started [0;1;39mRule-based Manager for Device Events and Files[0m. Starting [0;1;39mNetwork Service[0m... [[0;32m OK [0m] Finished [0;1;39mCreate Volatile Files and Directories[0m. Starting [0;1;39mUpdate UTMP about System Boot/Shutdown[0m... [[0;32m OK [0m] Finished [0;1;39mUpdate UTMP about System Boot/Shutdown[0m. [[0;32m OK [0m] Found device [0;1;39mSunrise Point-LP Serial IO UART Controller[0m. [[0;32m OK [0m] Created slice [0;1;39msystem-systemd\x2dbacklight.slice[0m. [[0;32m OK [0m] Listening on [0;1;39mLoad/Save RF …itch Status /dev/rfkill Watch[0m. Starting [0;1;39mLoad/Save Screen …f backlight:intel_backlight[0m... [[0;32m OK [0m] Finished [0;1;39mLoad/Save Screen … of backlight:intel_backlight[0m. [[0;32m OK [0m] Reached target [0;1;39mSystem Initialization[0m. [[0;32m OK [0m] Started [0;1;39mDaily apt download activities[0m. [[0;32m OK [0m] Started [0;1;39mDaily apt upgrade and clean activities[0m. [[0;32m OK [0m] Started [0;1;39mPeriodic ext4 Onli…ata Check for All Filesystems[0m. [[0;32m OK [0m] Started [0;1;39mDiscard unused blocks once a week[0m. [[0;32m OK [0m] Started [0;1;39mDaily Cleanup of Temporary Directories[0m. [[0;32m OK [0m] Reached target [0;1;39mTimers[0m. [[0;32m OK [0m] Listening on [0;1;39mD-Bus System Message Bus Socket[0m. [[0;32m OK [0m] Reached target [0;1;39mSockets[0m. [[0;32m OK [0m] Reached target [0;1;39mBasic System[0m. [[0;32m OK [0m] Started [0;1;39mD-Bus System Message Bus[0m. Starting [0;1;39mRemove Stale Onli…t4 Metadata Check Snapshots[0m... Starting [0;1;39mUser Login Management[0m... [[0;32m OK [0m] Started [0;1;39mNetwork Service[0m. Starting [0;1;39mNetwork Name Resolution[0m... [[0;32m OK [0m] Started [0;1;39mUser Login Management[0m. [[0;32m OK [0m] Finished [0;1;39mRemove Stale Onli…ext4 Metadata Check Snapshots[0m. [[0;32m OK [0m] Started [0;1;39mNetwork Name Resolution[0m. [[0;32m OK [0m] Reached target [0;1;39mNetwork[0m. [[0;32m OK [0m] Reached target [0;1;39mHost and Network Name Lookups[0m. Starting [0;1;39mPermit User Sessions[0m... [[0;32m OK [0m] Finished [0;1;39mPermit User Sessions[0m. [[0;32m OK [0m] Started [0;1;39mGetty on tty1[0m. [[0;32m OK [0m] Started [0;1;39mSerial Getty on ttyS0[0m. [[0;32m OK [0m] Reached target [0;1;39mLogin Prompts[0m. [[0;32m OK [0m] Reached target [0;1;39mMulti-User System[0m. [[0;32m OK [0m] Reached target [0;1;39mGraphical Interface[0m. Starting [0;1;39mUpdate UTMP about System Runlevel Changes[0m... [[0;32m OK [0m] Finished [0;1;39mUpdate UTMP about System Runlevel Changes[0m. Debian GNU/Linux 11 debian-bullseye-amd64 ttyS0 debian-bullseye-amd64 login: root (automatic login) Linux debian-bullseye-amd64 5.10.129-cip12 #1 SMP Tue Jul 26 13:44:52 UTC 2022 x86_64 The programs included with the Debian GNU/Linux system are free software; the exact distribution terms for each program are described in the individual files in /usr/share/doc/*/copyright. Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent permitted by applicable law. / # / # export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/6894846/extract-nfsrootfs-_e_8tjyy' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/6894846/extract-nfsrootfs-_e_8tjyy' / # 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-6894846/environment . /lava-6894846/environment / # /lava-6894846/bin/lava-test-runner /lava-6894846/0 /lava-6894846/bin/lava-test-runner /lava-6894846/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-6894846/0/tests/0_timesync-off ++ cat uuid + UUID=6894846_1.5.2.3.1 + set +x + systemctl stop systemd-timesyncd Failed to stop systemd-timesyncd.service: Unit systemd-timesyncd.service not loaded. + true + set +x + export TESTRUN_ID=1_kselftest-lkdtm + TESTRUN_ID=1_kselftest-lkdtm + cd /lava-6894846/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=6894846_1.5.2.3.5 + set +x + cd ./automated/linux/kselftest/ + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s false -u http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.129-cip12-36-g21d9d56f4de5a/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz -L '' -S skipfile-lkft.yaml -b asus-C433TA-AJ0005-rammus -g cip -e '' -p /opt/kselftests/mainline/ INFO: Generating a skipfile based on /lava-6894846/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/skipfile-lkft.yaml INFO: Using the following generated skipfile contents (until EOF): breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait INFO: EOF INFO: Installing sed perl wget xz-utils iproute2 Hit:1 http://deb.debian.org/debian bullseye InRelease Reading package lists... Reading package lists... Building dependency tree... Reading state information... iproute2 is already the newest version (5.10.0-4). perl is already the newest version (5.32.1-4+deb11u2). sed is already the newest version (4.7-1). wget is already the newest version (1.21-1+deb11u1). xz-utils is already the newest version (5.2.5-2.1~deb11u1). 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. --2022-07-26 13:51:02-- http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.129-cip12-36-g21d9d56f4de5a/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz Resolving storage.kernelci.org (storage.kernelci.org)... 52.250.1.28 Connecting to storage.kernelci.org (storage.kernelci.org)|52.250.1.28|:80... connected. HTTP request sent, awaiting response... 200 OK Length: 3573940 (3.4M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 50.15K 174KB/s kselftest.tar.xz 6%[> ] 216.08K 374KB/s kselftest.tar.xz 23%[===> ] 817.99K 770KB/s kselftest.tar.xz 70%[=============> ] 2.40M 1.84MB/s kselftest.tar.xz 100%[===================>] 3.41M 2.27MB/s in 1.5s 2022-07-26 13:51:04 (2.27 MB/s) - 'kselftest.tar.xz' saved [3573940/3573940] tar: ./timens/timens: time stamp 2022-07-26 13:51:35 is 30.59602395 s in the future tar: ./timens/gettime_perf: time stamp 2022-07-26 13:51:35 is 30.591492011 s in the future tar: ./timens/timer: time stamp 2022-07-26 13:51:35 is 30.586543129 s in the future tar: ./timens/procfs: time stamp 2022-07-26 13:51:35 is 30.581046513 s in the future tar: ./timens/timerfd: time stamp 2022-07-26 13:51:35 is 30.576254991 s in the future tar: ./timens/clock_nanosleep: time stamp 2022-07-26 13:51:35 is 30.571645551 s in the future tar: ./timens/exec: time stamp 2022-07-26 13:51:35 is 30.567243141 s in the future tar: ./timens/futex: time stamp 2022-07-26 13:51:35 is 30.562763231 s in the future tar: ./timens: time stamp 2022-07-26 13:51:46 is 41.561455123 s in the future tar: ./proc/proc-self-wchan: time stamp 2022-07-26 13:51:31 is 26.554611308 s in the future tar: ./proc/proc-self-map-files-001: time stamp 2022-07-26 13:51:31 is 26.549031371 s in the future tar: ./proc/read: time stamp 2022-07-26 13:51:31 is 26.544042702 s in the future tar: ./proc/proc-pid-vm: time stamp 2022-07-26 13:51:31 is 26.538268073 s in the future tar: ./proc/setns-sysvipc: time stamp 2022-07-26 13:51:31 is 26.533386087 s in the future tar: ./proc/setns-dcache: time stamp 2022-07-26 13:51:31 is 26.527562486 s in the future tar: ./proc/fd-001-lookup: time stamp 2022-07-26 13:51:31 is 26.522239497 s in the future tar: ./proc/proc-self-map-files-002: time stamp 2022-07-26 13:51:31 is 26.516950591 s in the future tar: ./proc/proc-uptime-001: time stamp 2022-07-26 13:51:31 is 26.5113519 s in the future tar: ./proc/self: time stamp 2022-07-26 13:51:31 is 26.506078528 s in the future tar: ./proc/fd-002-posix-eq: time stamp 2022-07-26 13:51:31 is 26.500289345 s in the future tar: ./proc/fd-003-kthread: time stamp 2022-07-26 13:51:31 is 26.494260088 s in the future tar: ./proc/proc-uptime-002: time stamp 2022-07-26 13:51:31 is 26.488629257 s in the future tar: ./proc/proc-fsconfig-hidepid: time stamp 2022-07-26 13:51:31 is 26.48341403 s in the future tar: ./proc/proc-loadavg-001: time stamp 2022-07-26 13:51:31 is 26.477507432 s in the future tar: ./proc/proc-self-syscall: time stamp 2022-07-26 13:51:31 is 26.472203417 s in the future tar: ./proc/thread-self: time stamp 2022-07-26 13:51:31 is 26.467010883 s in the future tar: ./proc/proc-multiple-procfs: time stamp 2022-07-26 13:51:31 is 26.461247162 s in the future tar: ./proc: time stamp 2022-07-26 13:51:45 is 40.45926271 s in the future tar: ./tmpfs/bug-link-o-tmpfile: time stamp 2022-07-26 13:51:35 is 30.452454594 s in the future tar: ./tmpfs: time stamp 2022-07-26 13:51:46 is 41.45080309 s in the future tar: ./sigaltstack/sas: time stamp 2022-07-26 13:51:35 is 30.443886417 s in the future tar: ./sigaltstack: time stamp 2022-07-26 13:51:45 is 40.442280257 s in the future tar: ./clone3/clone3: time stamp 2022-07-26 13:51:14 is 9.433818887 s in the future tar: ./clone3/clone3_set_tid: time stamp 2022-07-26 13:51:14 is 9.427186608 s in the future tar: ./clone3/clone3_clear_sighand: time stamp 2022-07-26 13:51:14 is 9.421229974 s in the future tar: ./clone3/clone3_cap_checkpoint_restore: time stamp 2022-07-26 13:51:14 is 9.413458893 s in the future tar: ./clone3: time stamp 2022-07-26 13:51:42 is 37.411728335 s in the future tar: ./sync/sync_test: time stamp 2022-07-26 13:51:35 is 30.401429861 s in the future tar: ./sync: time stamp 2022-07-26 13:51:45 is 40.399601403 s in the future tar: ./mincore/mincore_selftest: time stamp 2022-07-26 13:51:24 is 19.390755965 s in the future tar: ./mincore: time stamp 2022-07-26 13:51:44 is 39.38912237 s in the future tar: ./run_kselftest.sh: time stamp 2022-07-26 13:51:38 is 33.385364132 s in the future tar: ./breakpoints/step_after_suspend_test: time stamp 2022-07-26 13:51:14 is 9.377574299 s in the future tar: ./breakpoints: time stamp 2022-07-26 13:51:41 is 36.375922549 s in the future tar: ./pstore: time stamp 2022-07-26 13:51:45 is 40.355092729 s in the future tar: ./efivarfs/open-unlink: time stamp 2022-07-26 13:51:15 is 10.347152674 s in the future tar: ./efivarfs/create-read: time stamp 2022-07-26 13:51:15 is 10.33588637 s in the future tar: ./efivarfs: time stamp 2022-07-26 13:51:42 is 37.333030417 s in the future tar: ./cgroup/test_freezer: time stamp 2022-07-26 13:51:14 is 9.318402484 s in the future tar: ./cgroup/test_core: time stamp 2022-07-26 13:51:14 is 9.31074943 s in the future tar: ./cgroup/test_kmem: time stamp 2022-07-26 13:51:14 is 9.303348234 s in the future tar: ./cgroup/test_memcontrol: time stamp 2022-07-26 13:51:14 is 9.295119579 s in the future tar: ./cgroup: time stamp 2022-07-26 13:51:42 is 37.289667818 s in the future tar: ./kselftest-list.txt: time stamp 2022-07-26 13:51:47 is 42.284778578 s in the future tar: ./seccomp/seccomp_bpf: time stamp 2022-07-26 13:51:35 is 30.240819176 s in the future tar: ./seccomp/seccomp_benchmark: time stamp 2022-07-26 13:51:34 is 29.235264568 s in the future tar: ./seccomp: time stamp 2022-07-26 13:51:45 is 40.233259751 s in the future tar: ./timers/raw_skew: time stamp 2022-07-26 13:51:35 is 30.225748459 s in the future tar: ./timers/clocksource-switch: time stamp 2022-07-26 13:51:35 is 30.220435242 s in the future tar: ./timers/skew_consistency: time stamp 2022-07-26 13:51:35 is 30.215308043 s in the future tar: ./timers/valid-adjtimex: time stamp 2022-07-26 13:51:35 is 30.210090896 s in the future tar: ./timers/inconsistency-check: time stamp 2022-07-26 13:51:35 is 30.205115084 s 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2022-07-26 13:51:30 is 18.285101861 s in the future tar: ./net/psock_tpacket: time stamp 2022-07-26 13:51:27 is 15.271384576 s in the future tar: ./net/udpgso_bench_rx: time stamp 2022-07-26 13:51:28 is 16.263164826 s in the future tar: ./net/reuseport_dualstack: time stamp 2022-07-26 13:51:25 is 13.222043181 s in the future tar: ./net/tcp_fastopen_backup_key: time stamp 2022-07-26 13:51:29 is 17.213647965 s in the future tar: ./net/rxtimestamp: time stamp 2022-07-26 13:51:29 is 17.18742899 s in the future tar: ./net/forwarding: time stamp 2022-07-26 13:51:44 is 31.90378659 s in the future tar: ./net/udpgso: time stamp 2022-07-26 13:51:28 is 15.896475393 s in the future tar: ./net/tcp_inq: time stamp 2022-07-26 13:51:27 is 14.887712558 s in the future tar: ./net/so_txtime: time stamp 2022-07-26 13:51:28 is 15.874658646 s in the future tar: ./net/socket: time stamp 2022-07-26 13:51:26 is 13.858324893 s in the future tar: ./net/ipv6_flowlabel_mgr: time stamp 2022-07-26 13:51:29 is 16.848558411 s in the future tar: ./net/msg_zerocopy: time stamp 2022-07-26 13:51:27 is 14.835639277 s in the future tar: ./net/reuseport_bpf: time stamp 2022-07-26 13:51:24 is 11.814584779 s in the future tar: ./net/mptcp/mptcp_connect: time stamp 2022-07-26 13:51:30 is 17.800056792 s in the future tar: ./net/mptcp/pm_nl_ctl: time stamp 2022-07-26 13:51:31 is 18.787445063 s in the future tar: ./net/mptcp: time stamp 2022-07-26 13:51:44 is 31.768431297 s in the future tar: ./net/reuseport_addr_any: time stamp 2022-07-26 13:51:27 is 14.761183766 s in the future tar: ./net/reuseport_bpf_cpu: time stamp 2022-07-26 13:51:24 is 11.752824132 s in the future tar: ./net/ip_defrag: time stamp 2022-07-26 13:51:28 is 15.7390636 s in the future tar: ./net/hwtstamp_config: time stamp 2022-07-26 13:51:29 is 16.707932719 s in the future tar: ./net/nettest: time stamp 2022-07-26 13:51:26 is 13.671007831 s in the future tar: ./net/ipv6_flowlabel: time stamp 2022-07-26 13:51:28 is 15.664001301 s in the future tar: ./net/reuseaddr_conflict: time stamp 2022-07-26 13:51:25 is 12.641148351 s in the future tar: ./net/tcp_mmap: time stamp 2022-07-26 13:51:27 is 14.633107805 s in the future tar: ./net/txring_overwrite: time stamp 2022-07-26 13:51:28 is 15.62592147 s in the future tar: ./net: time stamp 2022-07-26 13:51:44 is 31.624137914 s in the future tar: ./lkdtm/UNALIGNED_LOAD_STORE_WRITE.sh: time stamp 2022-07-26 13:51:23 is 10.618432439 s in the future tar: ./lkdtm/WRITE_BUDDY_AFTER_FREE.sh: time stamp 2022-07-26 13:51:23 is 10.615314915 s in the future tar: ./lkdtm/USERCOPY_STACK_BEYOND.sh: time stamp 2022-07-26 13:51:23 is 10.612308595 s in the future tar: ./lkdtm/USERCOPY_STACK_FRAME_TO.sh: time stamp 2022-07-26 13:51:23 is 10.609031985 s in the future tar: ./lkdtm/REFCOUNT_ADD_NOT_ZERO_SATURATED.sh: time stamp 2022-07-26 13:51:23 is 10.60591269 s in the future tar: ./lkdtm/CORRUPT_LIST_DEL.sh: time stamp 2022-07-26 13:51:23 is 10.602599027 s in the future tar: ./lkdtm/REFCOUNT_DEC_ZERO.sh: time stamp 2022-07-26 13:51:23 is 10.599826118 s in the future tar: ./lkdtm/EXEC_VMALLOC.sh: time stamp 2022-07-26 13:51:23 is 10.596894238 s in the future tar: ./lkdtm/WARNING_MESSAGE.sh: time stamp 2022-07-26 13:51:23 is 10.594151738 s in the future tar: ./lkdtm/READ_BUDDY_AFTER_FREE.sh: time stamp 2022-07-26 13:51:23 is 10.591344789 s in the future tar: ./lkdtm/READ_AFTER_FREE.sh: time stamp 2022-07-26 13:51:23 is 10.588444711 s in the future tar: ./lkdtm/REFCOUNT_INC_ZERO.sh: time stamp 2022-07-26 13:51:23 is 10.585451794 s in the future tar: ./lkdtm/REFCOUNT_SUB_AND_TEST_NEGATIVE.sh: time stamp 2022-07-26 13:51:23 is 10.582745712 s in the future tar: ./lkdtm/REFCOUNT_DEC_AND_TEST_NEGATIVE.sh: time stamp 2022-07-26 13:51:23 is 10.579626201 s in the future tar: ./lkdtm/WARNING.sh: time stamp 2022-07-26 13:51:23 is 10.57669334 s in the future tar: ./lkdtm/DOUBLE_FAULT.sh: time stamp 2022-07-26 13:51:23 is 10.573540477 s in the future tar: ./lkdtm/BUG.sh: time stamp 2022-07-26 13:51:23 is 10.570713773 s in the future tar: ./lkdtm/USERCOPY_STACK_FRAME_FROM.sh: time stamp 2022-07-26 13:51:23 is 10.567823761 s in the future tar: ./lkdtm/EXEC_DATA.sh: time stamp 2022-07-26 13:51:23 is 10.565005076 s in the future tar: ./lkdtm/WRITE_KERN.sh: time stamp 2022-07-26 13:51:23 is 10.562142329 s in the future tar: ./lkdtm/ATOMIC_TIMING.sh: time stamp 2022-07-26 13:51:23 is 10.559337923 s in the future tar: ./lkdtm/SOFTLOCKUP.sh: time stamp 2022-07-26 13:51:23 is 10.556553179 s in the future tar: ./lkdtm/REFCOUNT_DEC_SATURATED.sh: time stamp 2022-07-26 13:51:23 is 10.553691304 s in the future tar: ./lkdtm/ACCESS_USERSPACE.sh: time stamp 2022-07-26 13:51:23 is 10.550786153 s in the future tar: ./lkdtm/EXEC_RODATA.sh: time stamp 2022-07-26 13:51:23 is 10.548083745 s in the future tar: ./lkdtm/REFCOUNT_ADD_ZERO.sh: time stamp 2022-07-26 13:51:23 is 10.545262613 s in the future tar: ./lkdtm/USERCOPY_HEAP_SIZE_FROM.sh: time stamp 2022-07-26 13:51:23 is 10.542453482 s in the future tar: ./lkdtm/HUNG_TASK.sh: time stamp 2022-07-26 13:51:23 is 10.539495556 s in the future tar: ./lkdtm/REFCOUNT_ADD_OVERFLOW.sh: time stamp 2022-07-26 13:51:23 is 10.536700697 s in the future tar: ./lkdtm/OVERWRITE_ALLOCATION.sh: time stamp 2022-07-26 13:51:23 is 10.533861688 s in the future tar: ./lkdtm/USERCOPY_HEAP_WHITELIST_FROM.sh: time stamp 2022-07-26 13:51:23 is 10.531072474 s in the future tar: ./lkdtm/EXEC_KMALLOC.sh: time stamp 2022-07-26 13:51:23 is 10.528320018 s in the future tar: ./lkdtm/CORRUPT_STACK.sh: time stamp 2022-07-26 13:51:23 is 10.525594295 s in the future tar: ./lkdtm/STACKLEAK_ERASING.sh: time stamp 2022-07-26 13:51:23 is 10.522711725 s in the future tar: ./lkdtm/ACCESS_NULL.sh: time stamp 2022-07-26 13:51:23 is 10.51949158 s in the future tar: ./lkdtm/REFCOUNT_INC_SATURATED.sh: time stamp 2022-07-26 13:51:23 is 10.516026138 s in the future tar: ./lkdtm/WRITE_AFTER_FREE.sh: time stamp 2022-07-26 13:51:23 is 10.512309462 s in the future tar: ./lkdtm/REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh: time stamp 2022-07-26 13:51:23 is 10.507782861 s in the future tar: ./lkdtm/REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh: time stamp 2022-07-26 13:51:23 is 10.504141032 s in the future tar: ./lkdtm/USERCOPY_HEAP_WHITELIST_TO.sh: time stamp 2022-07-26 13:51:23 is 10.499939916 s in the future tar: ./lkdtm/REFCOUNT_SUB_AND_TEST_SATURATED.sh: time stamp 2022-07-26 13:51:23 is 10.491517205 s in the future tar: ./lkdtm/EXEC_USERSPACE.sh: time stamp 2022-07-26 13:51:23 is 10.487055037 s in the future tar: ./lkdtm/EXHAUST_STACK.sh: time stamp 2022-07-26 13:51:23 is 10.483061405 s in the future tar: ./lkdtm/CORRUPT_PAC.sh: time stamp 2022-07-26 13:51:23 is 10.478971596 s in the future tar: ./lkdtm/REFCOUNT_INC_OVERFLOW.sh: time stamp 2022-07-26 13:51:23 is 10.474786688 s in the future tar: ./lkdtm/SPINLOCKUP.sh: time stamp 2022-07-26 13:51:23 is 10.470438317 s in the future tar: ./lkdtm/STACK_GUARD_PAGE_TRAILING.sh: time stamp 2022-07-26 13:51:23 is 10.466574296 s in the future tar: ./lkdtm/EXCEPTION.sh: time stamp 2022-07-26 13:51:23 is 10.463073262 s in the future tar: ./lkdtm/USERCOPY_HEAP_SIZE_TO.sh: time stamp 2022-07-26 13:51:23 is 10.459485449 s in the future tar: ./lkdtm/WRITE_RO_AFTER_INIT.sh: time stamp 2022-07-26 13:51:23 is 10.456117705 s in the future tar: ./lkdtm/EXEC_NULL.sh: time stamp 2022-07-26 13:51:23 is 10.452339406 s in the future tar: ./lkdtm/HARDLOCKUP.sh: time stamp 2022-07-26 13:51:23 is 10.449043094 s in the future tar: ./lkdtm/SLAB_FREE_DOUBLE.sh: time stamp 2022-07-26 13:51:23 is 10.445350447 s in the future tar: ./lkdtm/CORRUPT_LIST_ADD.sh: time stamp 2022-07-26 13:51:23 is 10.441427452 s in the future tar: ./lkdtm/REFCOUNT_DEC_AND_TEST_SATURATED.sh: time stamp 2022-07-26 13:51:23 is 10.437759572 s in the future tar: ./lkdtm/REFCOUNT_TIMING.sh: time stamp 2022-07-26 13:51:23 is 10.434281317 s in the future tar: ./lkdtm/UNSET_SMEP.sh: time stamp 2022-07-26 13:51:23 is 10.430757772 s in the future tar: ./lkdtm/STACK_GUARD_PAGE_LEADING.sh: time stamp 2022-07-26 13:51:23 is 10.42710107 s in the future tar: ./lkdtm/USERCOPY_KERNEL.sh: time stamp 2022-07-26 13:51:23 is 10.423208625 s in the future tar: ./lkdtm/CFI_FORWARD_PROTO.sh: time stamp 2022-07-26 13:51:23 is 10.418841898 s in the future tar: ./lkdtm/WRITE_RO.sh: time stamp 2022-07-26 13:51:23 is 10.414403523 s in the future tar: ./lkdtm/REFCOUNT_DEC_NEGATIVE.sh: time stamp 2022-07-26 13:51:23 is 10.410289151 s in the future tar: ./lkdtm/REFCOUNT_INC_NOT_ZERO_SATURATED.sh: time stamp 2022-07-26 13:51:23 is 10.02149374 s in the future tar: ./lkdtm/LOOP.sh: time stamp 2022-07-26 13:51:23 is 10.015473901 s in the future tar: ./lkdtm/SLAB_FREE_CROSS.sh: time stamp 2022-07-26 13:51:23 is 10.009384458 s in the future tar: ./lkdtm/EXEC_STACK.sh: time stamp 2022-07-26 13:51:23 is 10.002918407 s in the future tar: ./lkdtm/CORRUPT_STACK_STRONG.sh: time stamp 2022-07-26 13:51:23 is 9.99686218 s in the future tar: ./lkdtm/SLAB_FREE_PAGE.sh: time stamp 2022-07-26 13:51:23 is 9.990783033 s in the future tar: ./lkdtm/PANIC.sh: time stamp 2022-07-26 13:51:23 is 9.985272495 s in the future tar: ./lkdtm/REFCOUNT_ADD_SATURATED.sh: time stamp 2022-07-26 13:51:23 is 9.980168353 s in the future tar: ./lkdtm: time stamp 2022-07-26 13:51:44 is 30.977701349 s in the future tar: ./futex/functional/futex_requeue_pi_signal_restart: time stamp 2022-07-26 13:51:17 is 3.963561179 s in the future tar: ./futex/functional/futex_wait_wouldblock: time stamp 2022-07-26 13:51:16 is 2.955308664 s in the future tar: ./futex/functional/futex_wait_timeout: time stamp 2022-07-26 13:51:16 is 2.946209062 s in the future tar: ./futex/functional/futex_wait_private_mapped_file: time stamp 2022-07-26 13:51:18 is 4.936288591 s in the future tar: ./futex/functional/futex_wait_uninitialized_heap: time stamp 2022-07-26 13:51:17 is 3.920926081 s in the future tar: ./futex/functional/futex_requeue_pi: time stamp 2022-07-26 13:51:17 is 3.910139417 s in the future tar: ./futex/functional/futex_requeue_pi_mismatched_ops: time stamp 2022-07-26 13:51:17 is 3.90081308 s in the future tar: ./futex/functional: time stamp 2022-07-26 13:51:43 is 29.897689624 s in the future tar: ./futex/run.sh: time stamp 2022-07-26 13:51:43 is 29.891798908 s in the future tar: ./futex: time stamp 2022-07-26 13:51:43 is 29.88922777 s in the future tar: ./tpm2: time stamp 2022-07-26 13:51:46 is 32.858108305 s in the future tar: ./size/get_size: time stamp 2022-07-26 13:51:35 is 21.848037084 s in the future tar: ./size: time stamp 2022-07-26 13:51:45 is 31.844749221 s in the future tar: ./memfd/fuse_test: time stamp 2022-07-26 13:51:24 is 10.834103729 s in the future tar: ./memfd/memfd_test: time stamp 2022-07-26 13:51:24 is 10.82521082 s in the future tar: ./memfd/fuse_mnt: time stamp 2022-07-26 13:51:23 is 9.806222848 s in the future tar: ./memfd: time stamp 2022-07-26 13:51:44 is 30.80306442 s in the future tar: ./core/close_range_test: time stamp 2022-07-26 13:51:15 is 1.789689281 s in the future tar: ./core: time stamp 2022-07-26 13:51:42 is 28.787089778 s in the future tar: ./rtc/rtctest: time stamp 2022-07-26 13:51:34 is 20.770463584 s in the future tar: ./rtc/setdate: time stamp 2022-07-26 13:51:33 is 19.764247239 s in the future tar: ./rtc: time stamp 2022-07-26 13:51:45 is 31.761742148 s in the future tar: ./livepatch: time stamp 2022-07-26 13:51:43 is 29.714760482 s in the future tar: ./kselftest/module.sh: time stamp 2022-07-26 13:51:38 is 24.706027987 s in the future tar: ./kselftest/runner.sh: time stamp 2022-07-26 13:51:38 is 24.700141698 s in the future tar: ./kselftest/prefix.pl: time stamp 2022-07-26 13:51:38 is 24.694260837 s in the future tar: ./kselftest: time stamp 2022-07-26 13:51:38 is 24.690877352 s in the future tar: ./kcmp/kcmp_test: time stamp 2022-07-26 13:51:18 is 4.681802139 s in the future tar: ./kcmp: time stamp 2022-07-26 13:51:43 is 29.680002575 s in the future tar: ./netfilter/nf-queue: time stamp 2022-07-26 13:51:31 is 17.623493945 s in the future tar: ./netfilter: time stamp 2022-07-26 13:51:44 is 30.616143818 s in the future tar: .: time stamp 2022-07-26 13:51:47 is 33.613092034 s in the future skiplist: ======================================== breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait ======================================== [ 48.660098] 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 [ 48.834402] lkdtm: Performing direct entry BUG [ 48.839456] ------------[ cut here ]------------ [ 48.844637] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 48.850491] invalid opcode: 0000 [#1] SMP PTI [ 48.855355] CPU: 2 PID: 722 Comm: cat Not tainted 5.10.129-cip12 #1 [ 48.862353] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 48.869161] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 48.873544] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 [ 48.894528] RSP: 0018:ffffa1b4c147fe60 EFLAGS: 00010286 [ 48.900361] RAX: ffffffffb54b1b30 RBX: 0000000000000001 RCX: 0000000000000000 [ 48.908331] RDX: 0000000000000000 RSI: ffff8cd9bad1bf70 RDI: ffffffffb60d9a70 [ 48.916292] RBP: ffffffffb651b5e8 R08: 0000000000000001 R09: 0000000000000001 [ 48.924261] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 48.932232] R13: ffffa1b4c147ff10 R14: ffffa1b4c147ff10 R15: ffff8cd944cdf000 [ 48.940201] FS: 00007f17e7dd6580(0000) GS:ffff8cd9bad00000(0000) knlGS:0000000000000000 [ 48.949239] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.955662] CR2: 00007f17e7bef000 CR3: 000000010578a006 CR4: 00000000003706e0 [ 48.963629] Call Trace: [ 48.966358] direct_entry.cold+0x2c/0x38 [ 48.970737] full_proxy_write+0x56/0x80 [ 48.975022] vfs_write+0xea/0x390 [ 48.978721] ksys_write+0x68/0xe0 [ 48.982419] do_syscall_64+0x33/0x40 [ 48.986408] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.992049] RIP: 0033:0x7f17e7cfef33 [ 48.996038] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 49.017022] RSP: 002b:00007fffcb98c5a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.025476] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f17e7cfef33 [ 49.033447] RDX: 0000000000000004 RSI: 00007f17e7bef000 RDI: 0000000000000001 [ 49.041408] RBP: 00007f17e7bef000 R08: 00007f17e7bee010 R09: 0000000000000000 [ 49.049379] R10: 00007f17e7df91c0 R11: 0000000000000246 R12: 0000000000000001 [ 49.057340] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 49.065311] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 49.091757] ---[ end trace 292ac93e28977047 ]--- [ 49.096938] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 49.101348] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 [ 49.122365] RSP: 0018:ffffa1b4c147fe60 EFLAGS: 00010286 [ 49.128231] RAX: ffffffffb54b1b30 RBX: 0000000000000001 RCX: 0000000000000000 [ 49.136235] RDX: 0000000000000000 RSI: ffff8cd9bad1bf70 RDI: ffffffffb60d9a70 [ 49.144229] RBP: ffffffffb651b5e8 R08: 0000000000000001 R09: 0000000000000001 [ 49.152232] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 49.160234] R13: ffffa1b4c147ff10 R14: ffffa1b4c147ff10 R15: ffff8cd944cdf000 [ 49.168238] FS: 00007f17e7dd6580(0000) GS:ffff8cd9bad00000(0000) knlGS:0000000000000000 [ 49.177308] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.183735] CR2: 00007f17e7bef000 CR3: 000000010578a006 CR4: 00000000003706e0 # Segmentation fault # [ 48.834402] lkdtm: Performing direct entry BUG # [ 48.839456] ------------[ cut here ]------------ # [ 48.844637] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 48.850491] invalid opcode: 0000 [#1] SMP PTI # [ 48.855355] CPU: 2 PID: 722 Comm: cat Not tainted 5.10.129-cip12 #1 # [ 48.862353] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.869161] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 48.873544] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 6[ 49.259798] lkdtm: Performing direct entry WARNING 6 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 # [ [ 49.267442] ------------[ cut here ]------------ 48.894528] RSP: 0018:ffffa1b4c147fe60 EFLAGS: 00010286 # [ [ 49.278809] WARNING: CPU: 0 PID: 758 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0xf/0x20 48.900361] RAX: ffffffffb54b1b30 RBX: 0000000000000001 RCX: 0000[ 49.294372] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 000000000000 # [ 48.908331] RDX: 0000000000000000 RSI: ffff8c[ 49.327026] CPU: 0 PID: 758 Comm: cat Tainted: G D 5.10.129-cip12 #1 d9bad1bf70 RDI: ffffffffb60d9a70 # [ 48.916292] RBP: ffffffff[ 49.341816] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 b651b5e8 R08: 0000000000000001 R09: 0000000000000001 # [ 48.9[ 49.354846] RIP: 0010:lkdtm_WARNING+0xf/0x20 24261] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000[ 49.365840] Code: ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 01 75 01 c3 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 00000004 # [ 48.932232] R13: ffffa1b4c147ff10 R14: ffffa1b4c1[ 49.393079] RSP: 0018:ffffa1b4c150fe60 EFLAGS: 00010202 47ff10 R15: ffff8cd944cdf000 # [ 48.940201] FS: 00007f17e7dd[ 49.405097] RAX: ffffffffb54b1b40 RBX: 0000000000000002 RCX: 0000000000000000 6580(0000) GS:ffff8cd9bad00000(0000) knlGS:0000000000000000 # [[ 49.419327] RDX: 0000000000000000 RSI: ffff8cd9bac1bf70 RDI: ffffffffb60d9a80 48.949239] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033[ 49.433503] RBP: ffffffffb64c01b7 R08: 0000000000000000 R09: 0000000000000000 # [ 48.955662] CR2: 00007f17e7bef000 CR3: 000000010578a006 CR[ 49.447777] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 4: 00000000003706e0 # [ 48.963629] Call Trace: # [ 48.9663[ 49.461902] R13: ffffa1b4c150ff10 R14: ffffa1b4c150ff10 R15: ffff8cd944ce8000 58] direct_entry.cold+0x2c/0x38 # [ 48.970737] full_proxy_w[ 49.476087] FS: 00007f5c8dc9a580(0000) GS:ffff8cd9bac00000(0000) knlGS:0000000000000000 rite+0x56/0x80 # [ 48.975022] vfs_write+0xea/0x390 # [ 48[ 49.491347] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 .978721] ksys_write+0x68/0xe0 # [ 48.982419] do_syscall_64+[ 49.503964] CR2: 00007f5c8dab3000 CR3: 0000000105726005 CR4: 00000000003706f0 0x33/0x40 # [ 48.986408] entry_SYSCALL_64_after_hwframe+0x44[ 49.518175] Call Trace: /0xa9 # [ 48.992049] RIP: 0033:0x7f17e7cfef33 # [ 48.99603[ 49.527108] direct_entry.cold+0x2c/0x38 8] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff e[ 49.537746] full_proxy_write+0x56/0x80 b b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00[ 49.548207] vfs_write+0xea/0x390 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 8[ 49.558139] ksys_write+0x68/0xe0 9 54 24 18 # [ 49.017022] RSP: 002b:00007fffcb98c5a8 EFLAGS: [ 49.568043] do_syscall_64+0x33/0x40 00000246 ORIG_RAX: 0000000000000001 # [ 49.025476] RAX: fffff[ 49.578271] entry_SYSCALL_64_after_hwframe+0x44/0xa9 fffffffffda RBX: 0000000000000004 RCX: 00007f17e7cfef33 # [ 4[ 49.590120] RIP: 0033:0x7f5c8dbc2f33 9.033447] RDX: 0000000000000004 RSI: 00007f17e7bef000 RDI: 00000[ 49.600346] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 00000000001 # [ 49.041408] RBP: 00007f17e7bef000 R08: 00007f1[ 49.627532] RSP: 002b:00007ffc940d7448 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 7e7bee010 R09: 0000000000000000 # [ 49.049379] R10: 00007f17e[ 49.642233] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f5c8dbc2f33 7df91c0 R11: 0000000000000246 R12: 0000000000000001 # [ 49.05[ 49.656398] RDX: 0000000000000008 RSI: 00007f5c8dab3000 RDI: 0000000000000001 7340] R13: 0000000000000001 R14: 0000000000020000 R15: 000000000[ 49.670610] RBP: 00007f5c8dab3000 R08: 00007f5c8dab2010 R09: 0000000000000000 0020000 # [ 49.065311] Modules linked in: fuse ip_tables cros[ 49.684788] R10: 00007f5c8dcbd1c0 R11: 0000000000000246 R12: 0000000000000001 _ec_sensors cros_ec_sensors_core industrialio_triggered_buffer k[ 49.699000] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 fifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_cha[ 49.713174] irq event stamp: 0 rdev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros[ 49.722811] hardirqs last enabled at (0): [<0000000000000000>] 0x0 _ec_dev cros_usbpd_notify # [ 49.091757] ---[ end trace 292ac[ 49.736026] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 93e28977047 ]--- # [ 49.096938] RIP: 0010:lkdtm_BUG+0x5/0x10[ 49.751387] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 49.101348] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c[ 49.766734] softirqs last disabled at (0): [<0000000000000000>] 0x0 7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc[ 49.779962] ---[ end trace 292ac93e28977048 ]--- cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 # [ 49.122365] RSP: 0018:ffffa1b4c147fe60 EFLAGS: 00010286 # [ 49.128231] RAX: ffffffffb54b1b30 RBX: 0000000000000001 RCX: 0000000000000000 # [ 49.136235] RDX: 0000000000000000 RSI: ffff8cd9bad1bf70 RDI: ffffffffb60d9a70 # [ 49.144229] RBP: ffffffffb651b5e8 R08: 0000000000000001 R09: 0000000000000001 # [ 49.152232] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 49.160234] R13: ffffa1b4c147ff10 R14: ffffa1b4c147ff10 R15: ffff8cd944cdf000 # [ 49.168238] FS: 00007f17e7dd6580(0000) GS:ffff8cd9bad00000(0000) knlGS:0000000000000000 # [ 49.177308] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.183735] CR2: 00007f17e7bef000 CR3: 000000010578a006 CR4: 00000000003706e0 # BUG: saw '[ 49.872023] lkdtm: Performing direct entry WARNING_MESSAGE kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: [ 49.878280] ------------[ cut here ]------------ lkdtm: WARNING.sh # [ 49.259798] lkdtm: Performing direct ent[ 49.889672] Warning message trigger count: 2 ry WARNING # [ 49.267442] ------------[ cut here ]-----------[ 49.900705] WARNING: CPU: 0 PID: 793 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 - # [ 49.278809] WARNING: CPU: 0 PID: 758 at drivers/misc/lkd[ 49.917116] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify tm/bugs.c:83 lkdtm_WARNING+0xf/0x20 # [ 49.294372] Modules li[ 49.949755] CPU: 0 PID: 793 Comm: cat Tainted: G D W 5.10.129-cip12 #1 nked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core ind[ 49.964522] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 ustrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs [ 49.977549] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorh[ 49.989404] Code: 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 8b 05 c1 19 70 02 48 c7 c7 18 07 4c b6 8d 70 01 89 35 b1 19 70 02 e8 d6 b8 61 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 c7 ub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 49.[ 50.016616] RSP: 0018:ffffa1b4c159fe60 EFLAGS: 00010286 327026] CPU: 0 PID: 758 Comm: cat Tainted: G D 5.[ 50.028676] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 10.129-cip12 #1 # [ 49.341816] Hardware name: Google Rammus/R[ 50.042870] RDX: ffff8cd9bac2c660 RSI: ffff8cd9bac1bf70 RDI: ffff8cd9bac1bf70 ammus, BIOS 09/04/2020 # [ 49.354846] RIP: 0010:lkdtm_WARNIN[ 50.057057] RBP: ffffffffb64c01bf R08: 0000000000000000 R09: 0000000000000000 G+0xf/0x20 # [ 49.365840] Code: ff eb d1 cc cc cc cc cc cc cc[ 50.071252] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 cc 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 50.085457] R13: ffffa1b4c159ff10 R14: ffffa1b4c159ff10 R15: ffff8cd94388c000 00 83 05 e0 19 70 02 01 75 01 c3 <0f> 0b c3 66 66 2e 0f 1f 84 00[ 50.099740] FS: 00007f2c90fb6580(0000) GS:ffff8cd9bac00000(0000) knlGS:0000000000000000 00 00 00 00 0f 1f 00 0f 1f 44 00 00 # [ 49.393079] RSP: 0018[ 50.114938] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 :ffffa1b4c150fe60 EFLAGS: 00010202 # [ 49.405097] RAX: ffffff[ 50.127606] CR2: 00007f2c90dcf000 CR3: 000000010287c001 CR4: 00000000003706f0 ffb54b1b40 RBX: 0000000000000002 RCX: 0000000000000000 # [ 49[ 50.141817] Call Trace: .419327] RDX: 0000000000000000 RSI: ffff8cd9bac1bf70 RDI: ffffff[ 50.150741] direct_entry.cold+0x2c/0x38 ffb60d9a80 # [ 49.433503] RBP: ffffffffb64c01b7 R08: 00000000[ 50.161319] full_proxy_write+0x56/0x80 00000000 R09: 0000000000000000 # [ 49.447777] R10: 00000000ff[ 50.171825] vfs_write+0xea/0x390 ffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ 49.461[ 50.181728] ksys_write+0x68/0xe0 902] R13: ffffa1b4c150ff10 R14: ffffa1b4c150ff10 R15: ffff8cd944[ 50.191660] do_syscall_64+0x33/0x40 ce8000 # [ 49.476087] FS: 00007f5c8dc9a580(0000) GS:ffff8cd9[ 50.201845] entry_SYSCALL_64_after_hwframe+0x44/0xa9 bac00000(0000) knlGS:0000000000000000 # [ 49.491347] CS: 001[ 50.213747] RIP: 0033:0x7f2c90edef33 0 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.503964] CR2:[ 50.223939] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 00007f5c8dab3000 CR3: 0000000105726005 CR4: 00000000003706f0 #[ 50.251166] RSP: 002b:00007ffdd07a9c28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.518175] Call Trace: # [ 49.527108] direct_entry.cold[ 50.265827] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f2c90edef33 +0x2c/0x38 # [ 49.537746] full_proxy_write+0x56/0x80 # [ [ 50.280021] RDX: 0000000000000010 RSI: 00007f2c90dcf000 RDI: 0000000000000001 49.548207] vfs_write+0xea/0x390 # [ 49.558139] ksys_write+0[ 50.294213] RBP: 00007f2c90dcf000 R08: 00007f2c90dce010 R09: 0000000000000000 x68/0xe0 # [ 49.568043] do_syscall_64+0x33/0x40 # [ 49.57[ 50.308410] R10: 00007f2c90fd91c0 R11: 0000000000000246 R12: 0000000000000001 8271] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 49.590120[ 50.322593] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ] RIP: 0033:0x7f5c8dbc2f33 # [ 49.600346] Code: 8b 15 61 ef 0[ 50.336799] irq event stamp: 0 c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04[ 50.346408] hardirqs last enabled at (0): [<0000000000000000>] 0x0 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 f[ 50.359655] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 f ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 49.6[ 50.374985] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 27532] RSP: 002b:00007ffc940d7448 EFLAGS: 00000246 ORIG_RAX: 000[ 50.390343] softirqs last disabled at (0): [<0000000000000000>] 0x0 0000000000001 # [ 49.642233] RAX: ffffffffffffffda RBX: 00000[ 50.403560] ---[ end trace 292ac93e28977049 ]--- 00000000008 RCX: 00007f5c8dbc2f33 # [ 49.656398] RDX: 0000000000000008 RSI: 00007f5c8dab3000 RDI: 0000000000000001 # [ 49.670610] RBP: 00007f5c8dab3000 R08: 00007f5c8dab2010 R09: 0000000000000000 # [ 49.684788] R10: 00007f5c8dcbd1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 49.699000] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.713174] irq event stamp: 0 # [ 49.722811] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.736026] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 49.751387] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 49.766734] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.779962] ---[ 50.489360] lkdtm: Performing direct entry EXCEPTION [ 50.495048] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 50.502830] #PF: supervisor write access in kernel mode [ 50.508662] #PF: error_code(0x0002) - not-present page [ 50.514397] PGD 0 P4D 0 [ 50.517220] Oops: 0002 [#2] SMP PTI [ 50.521111] CPU: 3 PID: 825 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 50.529665] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 50.536473] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 [ 50.541432] Code: 48 c7 c7 18 07 4c b6 8d 70 01 89 35 b1 19 70 02 e8 d6 b8 61 00 0f 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 [ 50.562416] RSP: 0018:ffffa1b4c1607e60 EFLAGS: 00010286 [ 50.568250] RAX: ffffffffb54b1b90 RBX: 0000000000000004 RCX: 0000000000000000 [ 50.576220] RDX: 0000000000000000 RSI: ffff8cd9bad9bf70 RDI: ffffffffb60d9aa0 [ 50.584189] RBP: ffffffffb63f5dcf R08: 0000000000000000 R09: 0000000000000000 [ 50.592158] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 50.600128] R13: ffffa1b4c1607f10 R14: ffffa1b4c1607f10 R15: ffff8cd944fb7000 [ 50.608097] FS: 00007ff0b93d7580(0000) GS:ffff8cd9bad80000(0000) knlGS:0000000000000000 [ 50.617135] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.623552] CR2: 0000000000000000 CR3: 00000001048e4003 CR4: 00000000003706e0 [ 50.631522] Call Trace: [ 50.634251] direct_entry.cold+0x2c/0x38 [ 50.638632] full_proxy_write+0x56/0x80 [ 50.642936] vfs_write+0xea/0x390 [ 50.646634] ksys_write+0x68/0xe0 [ 50.650348] do_syscall_64+0x33/0x40 [ 50.654328] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.659959] RIP: 0033:0x7ff0b92fff33 [ 50.663945] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 50.684930] RSP: 002b:00007ffd77dc3478 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.693387] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007ff0b92fff33 [ 50.701356] RDX: 000000000000000a RSI: 00007ff0b91f0000 RDI: 0000000000000001 [ 50.709327] RBP: 00007ff0b91f0000 R08: 00007ff0b91ef010 R09: 0000000000000000 [ 50.717296] R10: 00007ff0b93fa1c0 R11: 0000000000000246 R12: 0000000000000001 [ 50.725266] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 50.733236] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ end trace 292ac93e28977048 ]--- # WARNING: saw 'WARNING:': ok[ 50.759685] CR2: 0000000000000000 [ 50.769596] ---[ end trace 292ac93e2897704a ]--- [ 50.774749] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 50.779125] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 [ 50.800108] RSP: 0018:ffffa1b4c147fe60 EFLAGS: 00010286 [ 50.805940] RAX: ffffffffb54b1b30 RBX: 0000000000000001 RCX: 0000000000000000 [ 50.813908] RDX: 0000000000000000 RSI: ffff8cd9bad1bf70 RDI: ffffffffb60d9a70 [ 50.821877] RBP: ffffffffb651b5e8 R08: 0000000000000001 R09: 0000000000000001 [ 50.829844] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 50.837812] R13: ffffa1b4c147ff10 R14: ffffa1b4c147ff10 R15: ffff8cd944cdf000 [ 50.845782] FS: 00007ff0b93d7580(0000) GS:ffff8cd9bad80000(0000) knlGS:0000000000000000 [ 50.854818] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.861233] CR2: 0000000000000000 CR3: 00000001048e4003 CR4: 00000000003706e0 [ 50.869204] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 50.879116] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 825, name: cat [ 50.887475] INFO: lockdep is turned off. [ 50.891851] irq event stamp: 0 [ 50.895256] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 50.902257] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 50.911392] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 50.920527] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 50.927525] CPU: 3 PID: 825 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 50.936078] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 50.942882] Call Trace: [ 50.945612] dump_stack+0x77/0x97 ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING[ 50.949311] ___might_sleep.cold+0xa6/0xb6 [ 50.960097] exit_signals+0x1c/0x2d0 [ 50.964087] do_exit+0xd5/0xb00 [ 50.967582] ? ksys_write+0x68/0xe0 [ 50.971473] rewind_stack_do_exit+0x17/0x20 [ 50.976133] RIP: 0033:0x7ff0b92fff33 [ 50.980121] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 51.001105] RSP: 002b:00007ffd77dc3478 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.009560] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007ff0b92fff33 [ 51.017531] RDX: 000000000000000a RSI: 00007ff0b91f0000 RDI: 0000000000000001 [ 51.025500] RBP: 00007ff0b91f0000 R08: 00007ff0b91ef010 R09: 0000000000000000 [ 51.033470] R10: 00007ff0b93fa1c0 R11: 0000000000000246 R12: 0000000000000001 [ 51.041440] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 _MESSAGE.sh # [ 49.872023] lkdtm: Performing direct entry WARNING_MESSAGE # [ 49.878280] ------------[ cut here ]------------ # [ 49.889672] Warning message trigger count: 2 # [ 49.900705] WARNING: CPU: 0 PID: 793 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 49.917116] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 49.949755] CPU: 0 PID: 793 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 49.964522] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.977549] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 49.989404] Code: 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 8b 05 c1 19 70 02 48 c7 c7 18 07 4c b6 8d 70 01 89 35 b1 19 70 02 e8 d6 b8 61 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 c7 # [ 50.016616] RSP: 0018:ffffa1b4c159fe60 EFLAGS: 00010286 # [ 50.028676] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 50.042870] RDX: ffff8cd9bac2c660 RSI: ffff8cd9bac1bf70 RDI: ffff8cd9bac1bf70 # [ 50.057057] RBP: ffffffffb64c01bf R08: 0000000000000000 R09: 0000000000000000 # [ 50.071252] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 50.085457] R13: ffffa1b4c159ff10 R14: ffffa1b4c159ff10 R15: ffff8cd94388c000 # [ 50.099740] FS: 00007f2c90fb6580(0000) GS:ffff8cd9bac00000(0000) knlGS:0000000000000000 # [ 50.114938] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.127606] CR2: 00007f2c90dcf000 CR3: 000000010287c001 CR4: 00000000003706f0 # [ 50.141817] Call Trace: # [ 50.150741] direct_entry.cold+0x2c/0x38 # [ 50.161319] full_proxy_write+0x56/0x80 # [ 50.171825] vfs_write+0xea/0x390 # [ 50.181728] ksys_write+0x68/0xe0 # [ 50.191660] do_syscall_64+0x33/0x40 # [ 50.201845] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 50.213747] RIP: 0033:0x7f2c90edef33 # [ 50.223939] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [[ 51.271670] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 51.279418] lkdtm: attempting good list addition [ 51.284586] lkdtm: attempting corrupted list addition [ 51.290236] lkdtm: list_add() corruption not detected! 50.251166] RSP: 002b:00007ffdd07a9c28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.265827] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f2c90edef33 # [ 50.280021] RDX: 0000000000000010 RSI: 00007f2c90dcf000 RDI: 0000000000000001 # [ 50.294213] RBP: 00007f2c90dcf000 R08: 00007f2c90dce010 R09: 0000000000000000 # [ 50.308410] R10: 00007f2c90fd91c0 R11: 0000000000000246 R12: 0000000000000001 # [ 50.322593] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 50.336799] irq event stamp: 0 # [ 50.346408] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 50.359655] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 50.374985] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 50.390343] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 50.403560] ---[ end trace 292ac93e28977049 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 50.489360] lkdtm: Performing direct entry EXCEPTION # [ 50.495048] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 50.502830] #PF: supervisor write access in kernel mode # [ 50.508662] #PF: error_code(0x0002) - not-present page # [ 50.514397] PGD 0 P4D 0 # [ 50.517220] Oops: 0002 [#2] SMP PTI # [ 50.521111] CPU: 3 PID: 825 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 50.529665] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.536473] RIP: 0010:lkd[ 51.447243] lkdtm: Performing direct entry CORRUPT_LIST_DEL tm_EXCEPTION+0x5/0x20 # [ 50.541432] Code: 48 c7 c7 18 07 4c [ 51.457639] lkdtm: attempting good list removal b6 8d 70 01 89 35 b1 19 70 02 e8 d6 b8 61 00 0f 0b c3 66 66 2e 0[ 51.468903] lkdtm: attempting corrupted list removal [ 51.480654] lkdtm: list_del() corruption not detected! f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 # [ 50.562416] RSP: 0018:ffffa1b4c1607e60 EFLAGS: 00010286 # [ 50.568250] RAX: ffffffffb54b1b90 RBX: 0000000000000004 RCX: 0000000000000000 # [ 50.576220] RDX: 0000000000000000 RSI: ffff8cd9bad9bf70 RDI: ffffffffb60d9aa0 # [ 50.584189] RBP: ffffffffb63f5dcf R08: 0000000000000000 R09: 0000000000000000 # [ 50.592158] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 50.600128] R13: ffffa1b4c1607f10 R14: ffffa1b4c1607f10 R15: ffff8cd944fb7000 # [ 50.608097] FS: 00007ff0b93d7580(0000) GS:ffff8cd9bad80000(0000) knlGS:0000000000000000 # [ 50.617135] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.623552] CR2: 0000000000000000 CR3: 00000001048e4003 CR4: 00000000003706e0 # [ 50.631522] Call Trace: # [ 50.634251] direct_entry.cold+0x2c/0x38 # [ 50.638632] full_proxy_write+0x56/0x80 # [ 50.642936] vfs_write+0xea/0x390 # [ 50.646634] k[ 51.584405] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING sys_write+0x68/0xe0 # [ 50.650348] do_syscall_64+0x33/0x40 [ 51.592851] lkdtm: attempting bad read from page below current stack # [ 50.654328] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ [ 51.606184] BUG: stack guard page was hit at 00000000499ec945 (stack is 00000000b9889f87..00000000c714466a) [ 51.623248] kernel stack overflow (page fault): 0000 [#3] SMP PTI [ 51.630054] CPU: 0 PID: 1050 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 51.638695] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 51.645502] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a [ 51.652021] Code: 41 5c c3 0f 1f 44 00 00 53 48 c7 c7 b8 0a 4c b6 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 31 a4 fd ff 48 c7 c7 f8 0a 4c b6 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 17 a4 fd ff 0f 1f 44 [ 51.672996] RSP: 0018:ffffa1b4c1967e50 EFLAGS: 00010246 [ 51.678832] RAX: 0000000000000038 RBX: ffffa1b4c1964000 RCX: 0000000000000000 [ 51.686802] RDX: 0000000000000000 RSI: ffff8cd9bac1bf70 RDI: ffffffffb64c0af8 [ 51.694771] RBP: ffffffffb64c0222 R08: 0000000000000000 R09: 0000000000000000 [ 51.702741] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 [ 51.710710] R13: ffffa1b4c1967f10 R14: ffffa1b4c1967f10 R15: ffff8cd9435b8000 [ 51.718681] FS: 00007f6358272580(0000) GS:ffff8cd9bac00000(0000) knlGS:0000000000000000 [ 51.727720] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.734136] CR2: ffffa1b4c1963fff CR3: 0000000105730003 CR4: 00000000003706f0 [ 51.742106] Call Trace: [ 51.744834] ? lkdtm_CORRUPT_LIST_DEL+0xdc/0xdc [ 51.749891] direct_entry.cold+0x2c/0x38 [ 51.754261] full_proxy_write+0x56/0x80 [ 51.758547] vfs_write+0xea/0x390 [ 51.762243] ksys_write+0x68/0xe0 [ 51.765942] do_syscall_64+0x33/0x40 [ 51.769922] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.775552] RIP: 0033:0x7f635819af33 [ 51.779540] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 51.800524] RSP: 002b:00007ffd8fc752c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.808971] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f635819af33 [ 51.816940] RDX: 0000000000000019 RSI: 00007f635808b000 RDI: 0000000000000001 [ 51.824909] RBP: 00007f635808b000 R08: 00007f635808a010 R09: 0000000000000000 [ 51.832878] R10: 00007f63582951c0 R11: 0000000000000246 R12: 0000000000000001 [ 51.840847] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 51.848820] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 51.875263] ---[ end trace 292ac93e2897704b ]--- [ 51.880417] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 51.884793] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 [ 51.905773] RSP: 0018:ffffa1b4c147fe60 EFLAGS: 00010286 [ 51.911606] RAX: ffffffffb54b1b30 RBX: 0000000000000001 RCX: 0000000000000000 [ 51.919575] RDX: 0000000000000000 RSI: ffff8cd9bad1bf70 RDI: ffffffffb60d9a70 [ 51.927544] RBP: ffffffffb651b5e8 R08: 0000000000000001 R09: 0000000000000001 [ 51.935512] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 51.943482] R13: ffffa1b4c147ff10 R14: ffffa1b4c147ff10 R15: ffff8cd944cdf000 [ 51.951452] FS: 00007f6358272580(0000) GS:ffff8cd9bac00000(0000) knlGS:0000000000000000 [ 51.960491] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.966906] CR2: ffffa1b4c1963fff CR3: 0000000105730003 CR4: 00000000003706f0 [ 51.974875] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 51.984786] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1050, name: cat [ 51.993241] INFO: lockdep is turned off. [ 51.997617] irq event stamp: 0 [ 52.001022] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 52.008022] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 52.017150] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 52.026275] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 52.033275] CPU: 0 PID: 1050 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 52.041922] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 52.048726] Call Trace: [ 52.051454] dump_stack+0x77/0x97 [ 52.055158] ___might_sleep.cold+0xa6/0xb6 [ 52.059732] exit_signals+0x1c/0x2d0 [ 52.063721] do_exit+0xd5/0xb00 [ 52.067214] ? ksys_write+0x68/0xe0 [ 52.071106] rewind_stack_do_exit+0x17/0x20 [ 52.075766] RIP: 0033:0x7f635819af33 [ 52.079756] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 52.100730] RSP: 002b:00007ffd8fc752c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.109187] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f635819af33 [ 52.117156] RDX: 0000000000000019 RSI: 00007f635808b000 RDI: 0000000000000001 [ 52.125126] RBP: 00007f635808b000 R08: 00007f635808a010 R09: 0000000000000000 [ 52.133098] R10: 00007f63582951c0 R11: 0000000000000246 R12: 0000000000000001 [ 52.141067] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 50.659959] RIP: 0033:0x7ff0b92fff33 # [ 50.663945] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 50.684930] RSP: 002b:00007ffd77dc3478 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.693387] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007ff0b92fff33 # [ 50.701356] RDX: 000000000000000a RSI: 00007ff0b91f0000 RDI: 0000000000000001 # [ 50.709327] RBP: 00007ff0b91f0000 R08: 00007ff0b91ef010 R09: 0000000000000000 # [ 50.717296] R10: 00007ff0b93fa1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 50.725266] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 50.733236] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_e[ 52.237289] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING [ 52.249372] lkdtm: attempting bad read from page above current stack [ 52.256482] BUG: stack guard page was hit at 00000000bb5a506c (stack is 00000000f7d905e8..00000000b22d08c3) [ 52.267374] kernel stack overflow (page fault): 0000 [#4] SMP PTI c_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cro[ 52.274182] CPU: 3 PID: 1083 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 52.289044] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 52.295854] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d s_usbpd_notify # [ 50.759685] CR2: 0000000000000000 # [ 50[ 52.302466] Code: a4 fd ff 0f 1f 44 00 00 53 48 c7 c7 30 0b 4c b6 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 f7 a3 fd ff 48 c7 c7 70 0b 4c b6 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 da a3 fd ff [ 52.329667] RSP: 0018:ffffa1b4c19dfe50 EFLAGS: 00010246 [ 52.335500] RAX: 0000000000000038 RBX: ffffa1b4c19dc000 RCX: 0000000000000000 [ 52.343470] RDX: 0000000000000000 RSI: ffff8cd9bad9bf70 RDI: ffffffffb64c0b70 [ 52.351440] RBP: ffffffffb64c023b R08: 0000000000000000 R09: 0000000000000000 [ 52.359411] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a [ 52.367381] R13: ffffa1b4c19dff10 R14: ffffa1b4c19dff10 R15: ffff8cd945cc5000 [ 52.375354] FS: 00007fdb5ccd1580(0000) GS:ffff8cd9bad80000(0000) knlGS:0000000000000000 [ 52.384384] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.390800] CR2: ffffa1b4c19e0000 CR3: 00000001035aa005 CR4: 00000000003706e0 [ 52.398769] Call Trace: [ 52.401503] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a .769596] ---[ end trace 292ac93e2897704a ]--- # [ 50.774749] [ 52.407339] direct_entry.cold+0x2c/0x38 [ 52.417930] full_proxy_write+0x56/0x80 [ 52.422211] vfs_write+0xea/0x390 [ 52.425909] ksys_write+0x68/0xe0 [ 52.429597] do_syscall_64+0x33/0x40 [ 52.433587] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 52.439228] RIP: 0033:0x7fdb5cbf9f33 [ 52.443218] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 52.464202] RSP: 002b:00007ffd1f8a5c18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.472662] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007fdb5cbf9f33 [ 52.480632] RDX: 000000000000001a RSI: 00007fdb5caea000 RDI: 0000000000000001 [ 52.488626] RBP: 00007fdb5caea000 R08: 00007fdb5cae9010 R09: 0000000000000000 [ 52.496595] R10: 00007fdb5ccf41c0 R11: 0000000000000246 R12: 0000000000000001 [ 52.504565] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 52.512536] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 52.538997] ---[ end trace 292ac93e2897704c ]--- [ 52.544142] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 52.548518] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 [ 52.569501] RSP: 0018:ffffa1b4c147fe60 EFLAGS: 00010286 [ 52.575334] RAX: ffffffffb54b1b30 RBX: 0000000000000001 RCX: 0000000000000000 [ 52.583303] RDX: 0000000000000000 RSI: ffff8cd9bad1bf70 RDI: ffffffffb60d9a70 [ 52.591273] RBP: ffffffffb651b5e8 R08: 0000000000000001 R09: 0000000000000001 [ 52.599243] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 52.607211] R13: ffffa1b4c147ff10 R14: ffffa1b4c147ff10 R15: ffff8cd944cdf000 [ 52.615179] FS: 00007fdb5ccd1580(0000) GS:ffff8cd9bad80000(0000) knlGS:0000000000000000 [ 52.624218] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.630635] CR2: ffffa1b4c19e0000 CR3: 00000001035aa005 CR4: 00000000003706e0 RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 50.779125] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 # [ 50.800108] RSP: 0018:ffffa1b4c147fe60 EFLAGS: 00010286 # [ 50.805940] RAX: ffffffffb54b1b30 RBX: 0000000000000001 RCX: 0000000000000000 # [ 50.813908] RDX: 0000000000000000 RSI: ffff8cd9bad1bf70 RDI: ffffffffb60d9a70 # [ 50.821877] RBP: ffffffffb651b5e8 R08: 0000000000000001 R09: 0000000000000001 # [ 50.829844] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 50.837812] R13: ffffa1b4c147ff10 R14: ffffa1b4c147ff10 R15: ffff8cd944cdf000 # [ 50.845782] FS: 00007ff0b93d7580(0000) GS:ffff8cd9bad80000(0000) knlGS:0000000000000000 # [ 5[ 52.713836] lkdtm: Performing direct entry UNSET_SMEP [ 52.725101] lkdtm: trying to clear SMEP normally [ 52.730285] ------------[ cut here ]------------ [ 52.735471] pinned CR4 bits changed: 0x100000!? [ 52.740555] WARNING: CPU: 3 PID: 1119 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x41/0x60 [ 52.750769] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 52.777219] CPU: 3 PID: 1119 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 52.785894] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 52.792712] RIP: 0010:native_write_cr4+0x41/0x60 [ 52.797869] Code: 08 31 00 48 39 c2 75 25 48 85 f6 75 01 c3 80 3d dc d8 c3 01 00 75 f6 48 c7 c7 30 fd 3f b6 c6 05 cc d8 c3 01 01 e8 85 d7 e0 00 <0f> 0b c3 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 c7 eb ac 66 [ 52.818854] RSP: 0018:ffffa1b4c1a5fe48 EFLAGS: 00010286 [ 52.824703] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 [ 52.832714] RDX: ffff8cd9badac660 RSI: ffff8cd9bad9bf70 RDI: ffff8cd9bad9bf70 [ 52.840687] RBP: ffffffffb64c0255 R08: 0000000000000000 R09: 0000000000000000 [ 52.848663] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b 0.854818] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [[ 52.856637] R13: ffffa1b4c1a5ff10 R14: ffffa1b4c1a5ff10 R15: ffff8cd942980000 [ 52.870823] FS: 00007fed1b5b7580(0000) GS:ffff8cd9bad80000(0000) knlGS:0000000000000000 [ 52.879865] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.886284] CR2: 00007fed1b3d0000 CR3: 00000001031d6003 CR4: 00000000003706e0 [ 52.894256] Call Trace: 50.861233] CR2: 0000000000000000 CR3: 00000001048e4003 CR4: 0[ 52.896991] lkdtm_UNSET_SMEP.cold+0x1d/0x103 0000000003706e0 # [ 50.869204] BUG: sleeping function called [ 52.908073] direct_entry.cold+0x2c/0x38 from invalid context at include/linux/percpu-rwsem.h:49 # [ 5[ 52.918668] full_proxy_write+0x56/0x80 [ 52.929166] vfs_write+0xea/0x390 0.879116] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid:[ 52.932867] ksys_write+0x68/0xe0 [ 52.942781] do_syscall_64+0x33/0x40 [ 52.946794] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 52.952435] RIP: 0033:0x7fed1b4dff33 [ 52.956427] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 52.977413] RSP: 002b:00007ffee81cdd18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.985875] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fed1b4dff33 [ 52.993879] RDX: 000000000000000b RSI: 00007fed1b3d0000 RDI: 0000000000000001 [ 53.001850] RBP: 00007fed1b3d0000 R08: 00007fed1b3cf010 R09: 0000000000000000 [ 53.009820] R10: 00007fed1b5da1c0 R11: 0000000000000246 R12: 0000000000000001 [ 53.017793] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 53.025767] irq event stamp: 0 [ 53.029173] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 53.036167] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 53.045307] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 53.054443] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 53.061434] ---[ end trace 292ac93e2897704d ]--- [ 53.066582] lkdtm: ok: SMEP did not get cleared [ 53.071662] lkdtm: trying to clear SMEP with call gadget 825, name: cat # [ 50.887475] INFO: lockdep is turned off. [ 53.077594] lkdtm: ok: SMEP removal was reverted # [ 50.891851] irq event stamp: 0 # [ 50.895256] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 50.902257] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 50.911392] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 50.920527] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 50.927525] CPU: 3 PID: 825 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 50.936078] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.942882] Call Trace: # [ 50.945612] dump_stack+0x77/0x97 # [ 50.949311] ___might_sleep.cold+0xa6/0xb6 # [ 50.960097] exit_signals+0x1c/0x2d0 # [ 50.964087] do_exit+0xd5/0xb00 # [ 50.967582] ? ksys_write+0x68/0xe0 # [ 50.971473] rewind_stack_do_exit+0x17/0x20 #[ 53.165921] lkdtm: Performing direct entry DOUBLE_FAULT [ 50.976133] RIP: 0033:0x7ff0b92fff33 # [ 50.980121] Code:[ 53.175644] lkdtm: XFAIL: this test is ia32-only 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 51.001105] RSP: 002b:00007ffd77dc3478 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.009560] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007ff0b92fff33 # [ 51.017531] RDX: 000000000000000a RSI: 00007ff0b91f0000 RDI: 0000000000000001 # [ 51.025500] RBP: 00007ff0b91f0000 R08: 00007ff0b91ef010 R09: 0000000000000000 # [ 51.033470] R10: 00007ff0b93fa1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 51.041440] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXCEPTION: saw 'call trace:': ok ok 5 selftests: lkdtm: EXCEPTION.sh # selftests: lkdtm: LOOP.sh # Skipping LOOP: Hangs th[ 53.267646] lkdtm: Performing direct entry CORRUPT_PAC [ 53.273529] lkdtm: XFAIL: this test is arm64-only e 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 # [ 51.271670] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 51.279418] lkdtm: attempting good list addition # [ 51.284586] lkdtm: attempting corrupted list addition # [ 51.290236] 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 # [ 51.447243] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 51.457639] lkdtm: attempting good list removal # [ 51.468903] lkdtm: attempting corrupted list removal # [ 51.480654] 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[ 53.405078] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE [ 53.416547] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS .sh # Segmentation fault # [ 51.584405] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 51.592851] lkdtm: attempting bad read from page below current stack # [ 51.606184] BUG: stack guard page was hit at 00000000499ec945 (stack is 00000000b9889f87..00000000c714466a) # [ 51.623248] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 51.630054] CPU: 0 PID: 1050 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 51.638695] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.645502] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 51.652021] Code: 41 5c c3 0f 1f 44 00 00 53 48 c7 c7 b8 0a 4c b6 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 31 a4 fd ff 48 c7 c7 f8 0a 4c b6 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 17 a4 fd ff 0f 1f 44 # [ 51.672996] RSP: 0018:ffffa1b4c1967e50 EFLAGS: 00010246 # [ 51.678832] RAX: 0000000000000038 RBX: ffffa1b4c1964000 RCX: 0000000000000000 # [ 51.686802] RDX: 0000000000000000 RSI: ffff8cd9bac1bf70 RDI: ffffffffb64c0af8 # [ 51.694771] RBP: ffffffffb64c0222 R08: 0000000000000000 R09: 0000000000000000 # [ 51.702741] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 51.710710] R13: ffffa1b4c1967f10 R14: ffffa1b4c1967f10 R15: ffff8cd9435b8000 # [ 51.718681] FS: 00007f6358272580(0000) GS:ffff8cd9bac00000(0000) knlGS:0000000000000000 # [ 51.727720] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.734136] CR2: ffffa1b4c1963fff CR3: 0000000105730003 CR4: 00000000003706f0 # [ 51.742106] Call Trace: # [ 51.744834] ? lkdtm_CORRUPT_LIST_DEL+0xdc/0xdc # [ 51.749891] direct_entry.cold+0x2[ 53.585265] lkdtm: Performing direct entry READ_AFTER_FREE [ 53.592013] lkdtm: Value in memory before free: 12345678 [ 53.597959] lkdtm: Attempting bad read from freed memory [ 53.603905] lkdtm: Memory was not poisoned c/0x38 # [ 51.754261] full_proxy_write+0x56/0x80 # [ 51.758547] vfs_write+0xea/0x390 # [ 51.762243] ksys_write+0x68/0xe0 # [ 51.765942] do_syscall_64+0x33/0x40 # [ 51.769922] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 51.775552] RIP: 0033:0x7f635819af33 # [ 51.779540] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 51.800524] RSP: 002b:00007ffd8fc752c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.808971] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f635819af33 # [ 51.816940] RDX: 0000000000000019 RSI: 00007f635808b000 RDI: 0000000000000001 # [ 51.824909] RBP: 00007f635808b000 R08: 00007f635808a010 R09: 0000000000000000 # [ 51.832878] R10: 00007f63582951c0 R11: 0000000000000246 R12: 0000000000000001 # [ 51.840847] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.848820] [ 53.702407] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensor[ 53.714697] lkdtm: Value in memory before free: 12345678 s_core industrialio_triggered_buffer kfifo_buf industrialio cros[ 53.726862] lkdtm: Attempting to read from freed memory _ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_[ 53.738908] lkdtm: Buddy page was not poisoned ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 51.875263] ---[ end trace 292ac93e2897704b ]--- # [ 51.880417] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 51.884793] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 # [ 51.905773] RSP: 0018:ffffa1b4c147fe60 EFLAGS: 00010286 # [ 51.911606] RAX: ffffffffb54b1b30 RBX: 0000000000000001 RCX: 0000000000000000 # [ 51.919575] RDX: 0000000000000000 RSI: ffff8cd9bad1bf70 RDI: ffffffffb60d9a70 # [ 51.927544] RBP: ffffffffb651b5e8 R08: 0000000000000001 R09: 0000000000000001 # [ 51.935512] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 51.943482] R13: ffffa1b4c147ff10 R14: ffffa1b4c147ff10 R15: ffff8cd944cdf000 # [ 51.951452] FS: 00007f6358272580(0000) GS:ffff8cd9bac00000(0000) knlGS:0000000000000000[ 53.841377] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 51.960491] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005[ 53.849528] lkdtm: Attempting double slab free ... 0033 # [ 51.966906] CR2: ffffa1b4c1963fff CR3: 0000000105730003 CR4: 00000000003706f0 # [ 51.974875] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 51.984786] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1050, name: cat # [ 51.993241] INFO: lockdep is turned off. # [ 51.997617] irq event stamp: 0 # [ 52.001022] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 52.008022] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 52.017150] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 52.026275] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 52.033275] CPU: 0 PID: 1050 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 52.041922] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.048726] Call Trace: # [ 52.051454] dump_stack+0x77/0x97 # [ 52.055158] __[ 53.953238] lkdtm: Performing direct entry SLAB_FREE_CROSS [ 53.960535] lkdtm: Attempting cross-cache slab free ... _might_sleep.cold+0xa6/0xb6 # [ 52.059732] exit_signals+0x1c/0x2d0 # [ 52.063721] do_exit+0xd5/0xb00 # [ 52.067214] ? ksys_write+0x68/0xe0 # [ 52.071106] rewind_stack_do_exit+0x17/0x20 # [ 52.075766] RIP: 0033:0x7f635819af33 # [ 52.079756] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 52.100730] RSP: 002b:00007ffd8fc752c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.109187] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f635819af33 # [ 52.117156] RDX: 0000000000000019 RSI: 00007f635808b000 RDI: 0000000000000001 # [ 52.125126] RBP: 00007f635808b000 R08: 00007f635808a010 R09: 0000000000000000 # [ 52.133098] R10: 00007f63582951c0 R11: 0000000000000246 R12: 0000000000000001 # [ 52.141067] 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 # [ 52.237289] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 52.249372] lkdtm: attempting bad read from page above current stack # [ 52.256482] BUG: stack guard page was hit at 00000000bb5a506c (stack is 00000000f7d905e8..00000000b22d08c[ 54.100579] lkdtm: Performing direct entry SLAB_FREE_PAGE 3) # [ 52.267374] kernel stack overflow (page fault): 0000 [#[ 54.109216] lkdtm: Attempting non-Slab slab free ... 4] SMP PTI # [ 52.274182] CPU: 3 PID: 1083 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 52.289044] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.295854] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 52.302466] Code: a4 fd ff 0f 1f 44 00 00 53 48 c7 c7 30 0b 4c b6 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 f7 a3 fd ff 48 c7 c7 70 0b 4c b6 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 da a3 fd ff # [ 52.329667] RSP: 0018:ffffa1b4c19dfe50 EFLAGS: 00010246 # [ 52.335500] RAX: 0000000000000038 RBX: ffffa1b4c19dc000 RCX: 0000000000000000 # [ 52.343470] RDX: 0000000000000000 RSI: ffff8cd9bad9bf70 RDI: ffffffffb64c0b70 # [ 52.351440] RBP: ffffffffb64c023b R08: 0000000000000000 R09: 0000000000000000 # [ 52.359411] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 52.367381] R13: ffffa1b4c19dff10 R14: ffffa1b4c19dff10 R15: ffff8cd945cc5000 # [ 52.375354] FS: 00007fdb5ccd1580(0000) GS:ffff8cd9bad80000(0000) knlGS:0000000000000000 # [ 52.384384] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.390800] CR2: ffffa1b4c19e0000 CR3: 00000001035aa005 CR4: 00000000003706e0 # [ 52.398769] Call Trace: # [ 52.401503] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a # [ 52.407339] direct_entry.cold+0x2c/0x38 # [ 52.417930] full_proxy_write+0x56/0x80 # [ 52.422211] vfs_write+0xea/0x390 # [ 52.425909] ksys_write+0x68/0xe0 # [ 52.429597] do_syscall_64+0x33/0x40 # [ 52.433587] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 52.439228] RIP: 0033:0x7fdb5cbf9f33 # [ 52.443218] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 52.464202] RSP: 002b:00007ffd1f8a5c18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.472662] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007fdb5cbf9f33 # [ 52.480632] RDX: 000000000000001a RSI: 00007fdb5caea000 RDI: 0000000000000001 # [ 52.488626] RBP: 00007fdb5caea000 R08: 00007fdb5cae9010 R09: 0000000000000000 # [ 52.496595] R10: 00007fdb5ccf41c0 R11: 0000000000000246 R12: 0000000000000001 # [ 52.504565] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 52.512536] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lig[ 54.358759] lkdtm: Performing direct entry EXEC_DATA [ 54.368957] lkdtm: attempting ok execution at ffffffffb54b1f00 [ 54.375483] lkdtm: attempting bad execution at ffffffffb7bb3560 [ 54.382111] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 54.390479] BUG: unable to handle page fault for address: ffffffffb7bb3560 [ 54.398157] #PF: supervisor instruction fetch in kernel mode [ 54.404475] #PF: error_code(0x0011) - permissions violation [ 54.410708] PGD 138229067 P4D 138229067 PUD 13822a063 PMD 80000001396000e3 [ 54.418484] Oops: 0011 [#5] SMP PTI [ 54.422376] CPU: 3 PID: 1626 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 54.431017] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.437823] RIP: 0010:data_area+0x0/0x40 [ 54.442200] Code: ff ff 00 a2 4b 44 d9 8c ff ff 00 a1 4b 44 d9 8c ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 [ 54.463176] RSP: 0018:ffffa1b4c2197e48 EFLAGS: 00010246 [ 54.469010] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.476979] RDX: 0000000000000000 RSI: ffff8cd9bad9bf70 RDI: ffff8cd9bad9bf70 [ 54.484948] RBP: ffffffffb7bb3560 R08: 0000000000000000 R09: 0000000000000000 [ 54.492916] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 54.500886] R13: ffffa1b4c2197f10 R14: ffffa1b4c2197f10 R15: ffff8cd944f21000 [ 54.508856] FS: 00007f0040db6580(0000) GS:ffff8cd9bad80000(0000) knlGS:0000000000000000 [ 54.517895] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.524309] CR2: ffffffffb7bb3560 CR3: 000000010560a005 CR4: 00000000003706e0 [ 54.532278] Call Trace: [ 54.535007] ? execute_location+0x48/0x56 [ 54.539482] ? direct_entry.cold+0x2c/0x38 [ 54.544055] ? full_proxy_write+0x56/0x80 [ 54.548529] ? vfs_write+0xea/0x390 [ 54.552419] ? ksys_write+0x68/0xe0 [ 54.556310] ? do_syscall_64+0x33/0x40 [ 54.560494] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.566320] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 54.592783] CR2: ffffffffb7bb3560 [ 54.596479] ---[ end trace 292ac93e2897704e ]--- [ 54.601633] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 54.606034] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 [ 54.627019] RSP: 0018:ffffa1b4c147fe60 EFLAGS: 00010286 [ 54.632852] RAX: ffffffffb54b1b30 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.640822] RDX: 0000000000000000 RSI: ffff8cd9bad1bf70 RDI: ffffffffb60d9a70 [ 54.648790] RBP: ffffffffb651b5e8 R08: 0000000000000001 R09: 0000000000000001 [ 54.656760] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 54.664729] R13: ffffa1b4c147ff10 R14: ffffa1b4c147ff10 R15: ffff8cd944cdf000 [ 54.672716] FS: 00007f0040db6580(0000) GS:ffff8cd9bad80000(0000) knlGS:0000000000000000 [ 54.681753] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.688170] CR2: ffffffffb7bb3560 CR3: 000000010560a005 CR4: 00000000003706e0 [ 54.696140] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 54.706050] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1626, name: cat [ 54.714505] INFO: lockdep is turned off. [ 54.718879] irq event stamp: 0 [ 54.722283] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 54.729283] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 54.738419] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 54.747552] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 54.754550] CPU: 3 PID: 1626 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 54.763200] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.770003] Call Trace: [ 54.772731] dump_stack+0x77/0x97 [ 54.776430] ___might_sleep.cold+0xa6/0xb6 [ 54.781002] exit_signals+0x1c/0x2d0 [ 54.784980] do_exit+0xd5/0xb00 [ 54.788481] ? ksys_write+0x68/0xe0 [ 54.792373] rewind_stack_do_exit+0x17/0x20 [ 54.797041] RIP: 0033:0x7f0040cdef33 [ 54.801029] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 54.822013] RSP: 002b:00007ffc8911f858 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 54.830458] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f0040cdef33 [ 54.838429] RDX: 000000000000000a RSI: 00007f0040bcf000 RDI: 0000000000000001 [ 54.846389] RBP: 00007f0040bcf000 R08: 00007f0040bce010 R09: 0000000000000000 [ 54.854358] R10: 00007f0040dd91c0 R11: 0000000000000246 R12: 0000000000000001 [ 54.862328] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 htbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 52.538997] ---[ end trace 292ac93e2897704c ]--- # [ 52.544142] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 52.548518] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 # [ 52.569501] RSP: 0018:ffffa1b4c147fe60 EFLAGS: 00010286 # [ 52.575334] RAX: ffffffffb54b1b30 RBX: 0000000000000001 RCX: 0000000000000000 # [ 52.583303] RDX: 0000000000000000 RSI: ffff8cd9bad1bf70 RDI: ffffffffb60d9a70 # [ 52.591273] RBP: ffffffffb651b5e8 R08: 0000000000000001 R09: 0000000000000001 # [ 52.599243] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 52.607211] R13: ffffa1b4c147ff10 R14: ffffa1b4c147ff10 R15: ffff8cd944cdf000 # [ 52.615179] FS: 00007fdb5ccd1580(0000) GS:ffff8cd9bad80000(0000) knlGS:0000000000000000 # [ 52.624218] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.630635[ 54.972075] lkdtm: Performing direct entry EXEC_STACK ] CR2: ffffa1b4c19e0000 CR3: 00000001035aa005 CR4: 0000000000370[ 54.981744] lkdtm: attempting ok execution at ffffffffb54b1f00 6e0 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 s[ 54.994474] lkdtm: attempting bad execution at ffffa1b4c2237e18 elftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdt[ 55.007304] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 55.021878] BUG: unable to handle page fault for address: ffffa1b4c2237e18 [ 55.029556] #PF: supervisor instruction fetch in kernel mode [ 55.035876] #PF: error_code(0x0011) - permissions violation [ 55.042100] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 100925067 PTE 8000000103f63063 m: UNSET_SMEP.sh # [ 52.713836] lkdtm: Performing direct entr[ 55.051143] Oops: 0011 [#6] SMP PTI [ 55.061249] CPU: 1 PID: 1662 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 55.069890] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.076711] RIP: 0010:0xffffa1b4c2237e18 [ 55.081083] Code: 00 00 18 7e 23 c2 b4 a1 ff ff ad 8d af b5 ff ff ff ff 20 00 00 00 00 00 00 00 7e 03 4c b6 ff ff ff ff d9 8e af b5 ff ff ff ff <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 [ 55.102068] RSP: 0018:ffffa1b4c2237df8 EFLAGS: 00010246 [ 55.107901] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.115872] RDX: 0000000000000000 RSI: ffff8cd9bac9bf70 RDI: ffff8cd9bac9bf70 [ 55.123842] RBP: ffffa1b4c2237e18 R08: 0000000000000000 R09: 0000000000000000 [ 55.131812] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 55.139781] R13: ffffa1b4c2237f10 R14: ffffa1b4c2237f10 R15: ffff8cd944db3000 [ 55.147751] FS: 00007f05b4bad580(0000) GS:ffff8cd9bac80000(0000) knlGS:0000000000000000 [ 55.156787] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.163205] CR2: ffffa1b4c2237e18 CR3: 0000000103248005 CR4: 00000000003706e0 [ 55.171175] Call Trace: [ 55.173903] ? execute_location+0x48/0x56 y UNSET_SMEP # [ 52.725101] lkdtm: trying to clear SMEP norma[ 55.178379] ? lkdtm_EXEC_STACK+0x26/0x40 [ 55.189066] ? direct_entry.cold+0x2c/0x38 [ 55.193661] ? full_proxy_write+0x56/0x80 lly # [ 52.730285] ------------[ cut here ]------------ # [ [ 55.198138] ? vfs_write+0xea/0x390 [ 55.208241] ? ksys_write+0x68/0xe0 [ 55.212132] ? do_syscall_64+0x33/0x40 [ 55.216315] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 52.735471] pinned CR4 bits changed: 0x100000!? # [ 52.74055[ 55.222148] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 55.254792] CR2: ffffa1b4c2237e18 [ 55.258481] ---[ end trace 292ac93e2897704f ]--- [ 55.263627] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 55.268003] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 [ 55.288987] RSP: 0018:ffffa1b4c147fe60 EFLAGS: 00010286 [ 55.294821] RAX: ffffffffb54b1b30 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.302791] RDX: 0000000000000000 RSI: ffff8cd9bad1bf70 RDI: ffffffffb60d9a70 [ 55.310761] RBP: ffffffffb651b5e8 R08: 0000000000000001 R09: 0000000000000001 [ 55.318731] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 55.326715] R13: ffffa1b4c147ff10 R14: ffffa1b4c147ff10 R15: ffff8cd944cdf000 [ 55.334685] FS: 00007f05b4bad580(0000) GS:ffff8cd9bac80000(0000) knlGS:0000000000000000 [ 55.343725] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.350140] CR2: ffffa1b4c2237e18 CR3: 0000000103248005 CR4: 00000000003706e0 5] WARNING: CPU: 3 PID: 1119 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x41/0x60 # [ 52.750769] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 52.777219] CPU: 3 PID: 1119 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 52.785894] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.792712] RIP: 0010:native_write_cr4+0x41/0x60 # [ 52.797869] Code: 08 31 00 48 39 c2 75 25 48 85 f6 75 01 c3 80 3d dc d8 c3 01 00 75 f6 48 c7 c7 30 fd 3f b6 c6 05 cc d8 c3 01 01 e8 85 d7 e0 00 <0f> 0b c3 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 c7 eb ac 66 # [ 52.818854] RSP: 0018:ffffa1b4c1a5fe48 EFLAGS: 00010286 # [ 52.824703] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 # [ 52.83[ 55.447264] lkdtm: Performing direct entry EXEC_KMALLOC [ 55.457176] lkdtm: attempting ok execution at ffffffffb54b1f00 [ 55.463699] lkdtm: attempting bad execution at ffff8cd942998140 [ 55.470321] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 55.478709] BUG: unable to handle page fault for address: ffff8cd942998140 [ 55.486379] #PF: supervisor instruction fetch in kernel mode [ 55.492698] #PF: error_code(0x0011) - permissions violation [ 55.498919] PGD 139801067 P4D 139801067 PUD 10004e063 PMD 1048d2063 PTE 8000000102998163 2714] RDX: ffff8cd9badac660 RSI: ffff8cd9bad9bf70 RDI: ffff8cd9b[ 55.507962] Oops: 0011 [#7] SMP PTI [ 55.518067] CPU: 2 PID: 1698 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 55.526716] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.533522] RIP: 0010:0xffff8cd942998140 [ 55.537889] Code: 00 00 02 00 00 00 00 00 00 00 40 54 85 43 d9 8c ff ff 03 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 24 f3 29 b5 ff ff ff ff <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 [ 55.558873] RSP: 0018:ffffa1b4c229fe38 EFLAGS: 00010246 [ 55.564711] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.572681] RDX: 0000000000000000 RSI: ffff8cd9bad1bf70 RDI: ffff8cd9bad1bf70 [ 55.580660] RBP: ffff8cd942998140 R08: 0000000000000000 R09: 0000000000000000 [ 55.588629] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 55.596598] R13: ffffa1b4c229ff10 R14: ffffa1b4c229ff10 R15: ffff8cd943572000 [ 55.604567] FS: 00007f565e42e580(0000) GS:ffff8cd9bad00000(0000) knlGS:0000000000000000 [ 55.613606] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.620024] CR2: ffff8cd942998140 CR3: 0000000104d8c006 CR4: 00000000003706e0 [ 55.627993] Call Trace: [ 55.630720] ? execute_location+0x48/0x56 [ 55.635194] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 [ 55.639863] ? direct_entry.cold+0x2c/0x38 [ 55.644436] ? full_proxy_write+0x56/0x80 [ 55.648911] ? vfs_write+0xea/0x390 [ 55.652793] ? ksys_write+0x68/0xe0 [ 55.656683] ? do_syscall_64+0x33/0x40 [ 55.660866] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.666714] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ad9bf70 # [ 52.840687] RBP: ffffffffb64c0255 R08: 00000000000[ 55.693168] CR2: ffff8cd942998140 [ 55.703077] ---[ end trace 292ac93e28977050 ]--- [ 55.708232] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 55.712608] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 [ 55.733593] RSP: 0018:ffffa1b4c147fe60 EFLAGS: 00010286 [ 55.739418] RAX: ffffffffb54b1b30 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.747387] RDX: 0000000000000000 RSI: ffff8cd9bad1bf70 RDI: ffffffffb60d9a70 [ 55.755356] RBP: ffffffffb651b5e8 R08: 0000000000000001 R09: 0000000000000001 [ 55.763325] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 55.771294] R13: ffffa1b4c147ff10 R14: ffffa1b4c147ff10 R15: ffff8cd944cdf000 [ 55.779264] FS: 00007f565e42e580(0000) GS:ffff8cd9bad00000(0000) knlGS:0000000000000000 [ 55.788301] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.794720] CR2: ffff8cd942998140 CR3: 0000000104d8c006 CR4: 00000000003706e0 [ 55.802690] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 55.812602] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1698, name: cat [ 55.821059] INFO: lockdep is turned off. [ 55.825434] irq event stamp: 0 [ 55.828839] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 55.835840] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 55.844976] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 55.854110] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 55.861110] CPU: 2 PID: 1698 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 55.869760] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.876563] Call Trace: [ 55.879290] dump_stack+0x77/0x97 [ 55.882979] ___might_sleep.cold+0xa6/0xb6 [ 55.887541] exit_signals+0x1c/0x2d0 [ 55.891531] do_exit+0xd5/0xb00 [ 55.895033] ? ksys_write+0x68/0xe0 [ 55.898926] rewind_stack_do_exit+0x17/0x20 [ 55.903593] RIP: 0033:0x7f565e356f33 [ 55.907582] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 55.928562] RSP: 002b:00007ffe665217e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.937017] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f565e356f33 [ 55.944985] RDX: 000000000000000d RSI: 00007f565e247000 RDI: 0000000000000001 [ 55.952955] RBP: 00007f565e247000 R08: 00007f565e246010 R09: 0000000000000000 [ 55.960925] R10: 00007f565e4511c0 R11: 0000000000000246 R12: 0000000000000001 [ 55.968895] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00000 R09: 0000000000000000 # [ 52.848663] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 52.856637] R13: ffffa1b4c1a5ff10 R14: ffffa1b4c1a5ff10 R15: ffff8cd942980000 # [ 52.870823] FS: 00007fed1b5b7580(0000) GS:ffff8cd9bad80000(0000) knlGS:0000000000000000 # [ 52.879865] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.886284] CR2: 00007fed1b3d0000 CR3: 00000001031d6003 CR4: 00000000003706e0 # [ 52.894256] Call Trace: # [ 52.896991] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 52.908073] direct_entry.cold+0x2c/0x38 # [ 52.918668] full_proxy_write+0x56/0x80 # [ 52.929166] vfs_write+0xea/0x390 # [ 52.932867] ksys_write+0x68/0xe0 # [ 52.942781] do_syscall_64+0x33/0x40 # [ 52.946794] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 52.952435] RIP: 0033:0x7fed1b4dff33 # [ 52.956427] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 52.977413] RSP: 002b:00007ffee81cdd18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.985875] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fed1b4dff33 # [ 52.993879] RDX: 000000000000000b RSI: 00007fed1b3d0000 RDI: 0000000000000001 # [ 53.001850] RBP: 00007fed1b3d0000 R08: 00007fed1b3cf010 R09: 0000000000000000 # [ 53.009820] R10: 00007fed1b5da1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 53.017793] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 53.025767] irq event s[ 56.131789] lkdtm: Performing direct entry EXEC_VMALLOC tamp: 0 # [ 53.029173] hardirqs last enabled at (0): [<00000[ 56.138140] lkdtm: attempting ok execution at ffffffffb54b1f00 00000000000>] 0x0 # [ 53.036167] hardirqs last disabled at (0[ 56.150875] lkdtm: attempting bad execution at ffffa1b4c062f000 ): [] copy_process+0x63c/0x1c80 # [ 53.0453[ 56.163746] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 56.178304] BUG: unable to handle page fault for address: ffffa1b4c062f000 [ 56.185983] #PF: supervisor instruction fetch in kernel mode [ 56.192302] #PF: error_code(0x0011) - permissions violation [ 56.198524] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 105504067 PTE 800000010542e063 [ 56.207571] Oops: 0011 [#8] SMP PTI [ 56.211462] CPU: 0 PID: 1734 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 56.220111] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.226917] RIP: 0010:0xffffa1b4c062f000 [ 56.231285] Code: Unable to access opcode bytes at RIP 0xffffa1b4c062efd6. [ 56.238955] RSP: 0018:ffffa1b4c2347e38 EFLAGS: 00010246 [ 56.244788] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 56.252758] RDX: 0000000000000000 RSI: ffff8cd9bac1bf70 RDI: ffff8cd9bac1bf70 [ 56.260728] RBP: ffffa1b4c062f000 R08: 0000000000000000 R09: 0000000000000000 [ 56.268708] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 56.276679] R13: ffffa1b4c2347f10 R14: ffffa1b4c2347f10 R15: ffff8cd94542e000 [ 56.284658] FS: 00007fa048fd9580(0000) GS:ffff8cd9bac00000(0000) knlGS:0000000000000000 [ 56.293706] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.300121] CR2: ffffa1b4c062efd6 CR3: 0000000104f20003 CR4: 00000000003706f0 [ 56.308091] Call Trace: [ 56.310819] ? execute_location+0x48/0x56 [ 56.315299] ? lkdtm_EXEC_VMALLOC+0x20/0x30 [ 56.319957] ? direct_entry.cold+0x2c/0x38 [ 56.324528] ? full_proxy_write+0x56/0x80 [ 56.329004] ? vfs_write+0xea/0x390 [ 56.332895] ? ksys_write+0x68/0xe0 [ 56.336787] ? do_syscall_64+0x33/0x40 [ 56.340971] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 56.346806] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 56.373249] CR2: ffffa1b4c062f000 [ 56.376938] ---[ end trace 292ac93e28977051 ]--- [ 56.382092] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 56.386469] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 [ 56.407455] RSP: 0018:ffffa1b4c147fe60 EFLAGS: 00010286 [ 56.413286] RAX: ffffffffb54b1b30 RBX: 0000000000000001 RCX: 0000000000000000 [ 56.421255] RDX: 0000000000000000 RSI: ffff8cd9bad1bf70 RDI: ffffffffb60d9a70 [ 56.429226] RBP: ffffffffb651b5e8 R08: 0000000000000001 R09: 0000000000000001 [ 56.437197] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 56.445165] R13: ffffa1b4c147ff10 R14: ffffa1b4c147ff10 R15: ffff8cd944cdf000 [ 56.453134] FS: 00007fa048fd9580(0000) GS:ffff8cd9bac00000(0000) knlGS:0000000000000000 [ 56.462173] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.468588] CR2: ffffa1b4c062efd6 CR3: 0000000104f20003 CR4: 00000000003706f0 07] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 53.054443] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 53.061434] ---[ end trace 292ac93e2897704d ]--- # [ 53.066582] lkdtm: ok: SMEP did not get cleared # [ 53.071662] lkdtm: trying to clear SMEP with call gadget # [ 53.077594] 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 # [ 53.165921] lkdtm: Performing direct entry DOUBLE_FAULT # [ 53.175644] lkdtm: XFAIL: this test is ia32-only # DOUBLE_FAULT: saw 'XFAIL': [SKIP] ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP # selftests: lkdtm: CORRUPT_PAC.sh # [ 53.267646] lkdtm: Performing direct entry CORRUPT_PAC # [ 53.273529] lkdtm: XFAIL: this test is arm64-only # CORRUPT_PAC: saw 'XFAIL': [SKIP] ok 16 selftests: lkdtm: CORRUPT_PAC.sh # SKIP # selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # [ 53.405078] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 53.416547] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP] ok 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP # selftests:[ 56.598399] lkdtm: Performing direct entry EXEC_RODATA lkdtm: OVERWRITE_ALLOCATION.sh # Skipping OVERWRITE_ALLOCATION[ 56.606705] lkdtm: attempting ok execution at ffffffffb54b1f00 : Corrupts memory on failure ok 18 selftests: lkdtm: OVERWRITE_[ 56.619437] lkdtm: attempting bad execution at ffffffffb60d9f00 ALLOCATION.sh # SKIP # selftests: lkdtm: WRITE_AFTER_FREE.sh #[ 56.632268] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 56.646840] BUG: unable to handle page fault for address: ffffffffb60d9f00 [ 56.654520] #PF: supervisor instruction fetch in kernel mode [ 56.660839] #PF: error_code(0x0011) - permissions violation [ 56.667061] PGD 138229067 P4D 138229067 PUD 13822a063 PMD 8000000137c000e1 [ 56.674841] Oops: 0011 [#9] SMP PTI [ 56.678732] CPU: 1 PID: 1770 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 56.687382] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.694189] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 Skipping WRITE_AFTER_FREE: Corrupts memory on failure ok 19 se[ 56.699926] Code: ff ff d9 a2 af b5 ff ff ff ff ca 05 4c b6 ff ff ff ff 8f 8a af b5 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 [ 56.727124] RSP: 0018:ffffa1b4c23ffe48 EFLAGS: 00010246 [ 56.732951] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 56.740921] RDX: 0000000000000000 RSI: ffff8cd9bac9bf70 RDI: ffff8cd9bac9bf70 [ 56.748892] RBP: ffffffffb60d9f00 R08: 0000000000000000 R09: 0000000000000000 [ 56.756861] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 56.764830] R13: ffffa1b4c23fff10 R14: ffffa1b4c23fff10 R15: ffff8cd9438dc000 [ 56.772801] FS: 00007fad9706a580(0000) GS:ffff8cd9bac80000(0000) knlGS:0000000000000000 [ 56.781830] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.788245] CR2: ffffffffb60d9f00 CR3: 0000000105cbc005 CR4: 00000000003706e0 [ 56.796214] Call Trace: [ 56.798942] ? execute_location+0x48/0x56 lftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP # selftests: lkdtm: [ 56.803417] ? direct_entry.cold+0x2c/0x38 [ 56.814204] ? full_proxy_write+0x56/0x80 [ 56.818680] ? vfs_write+0xea/0x390 [ 56.822593] ? ksys_write+0x68/0xe0 [ 56.826484] ? do_syscall_64+0x33/0x40 [ 56.830662] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 READ_AFTER_FREE.sh # [ 53.585265] lkdtm: Performing direct en[ 56.836497] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 56.869140] CR2: ffffffffb60d9f00 [ 56.872836] ---[ end trace 292ac93e28977052 ]--- [ 56.877991] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 56.882360] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 [ 56.903334] RSP: 0018:ffffa1b4c147fe60 EFLAGS: 00010286 [ 56.909168] RAX: ffffffffb54b1b30 RBX: 0000000000000001 RCX: 0000000000000000 [ 56.917137] RDX: 0000000000000000 RSI: ffff8cd9bad1bf70 RDI: ffffffffb60d9a70 [ 56.925106] RBP: ffffffffb651b5e8 R08: 0000000000000001 R09: 0000000000000001 [ 56.933076] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 56.941044] R13: ffffa1b4c147ff10 R14: ffffa1b4c147ff10 R15: ffff8cd944cdf000 [ 56.949014] FS: 00007fad9706a580(0000) GS:ffff8cd9bac80000(0000) knlGS:0000000000000000 [ 56.958053] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.964470] CR2: ffffffffb60d9f00 CR3: 0000000105cbc005 CR4: 00000000003706e0 [ 56.972441] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 56.982354] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1770, name: cat [ 56.990811] INFO: lockdep is turned off. [ 56.995187] irq event stamp: 0 [ 56.998594] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 57.005585] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 57.014724] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 57.023860] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 57.030862] CPU: 1 PID: 1770 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 57.039501] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 57.046306] Call Trace: [ 57.049035] dump_stack+0x77/0x97 try READ_AFTER_FREE # [ 53.592013] lkdtm: Value in memory bef[ 57.052734] ___might_sleep.cold+0xa6/0xb6 [ 57.063517] exit_signals+0x1c/0x2d0 [ 57.067504] do_exit+0xd5/0xb00 [ 57.071007] ? ksys_write+0x68/0xe0 [ 57.074889] rewind_stack_do_exit+0x17/0x20 [ 57.079548] RIP: 0033:0x7fad96f92f33 [ 57.083537] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 57.104511] RSP: 002b:00007ffcaf0f8238 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.112967] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fad96f92f33 [ 57.120938] RDX: 000000000000000c RSI: 00007fad96e83000 RDI: 0000000000000001 [ 57.128908] RBP: 00007fad96e83000 R08: 00007fad96e82010 R09: 0000000000000000 [ 57.136878] R10: 00007fad9708d1c0 R11: 0000000000000246 R12: 0000000000000001 [ 57.144850] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ore free: 12345678 # [ 53.597959] lkdtm: Attempting bad read from freed memory # [ 53.603905] 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 # [ 53.702407] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 53.714697] lkdtm: Value in memory before free: 12345678 # [ 53.726862] lkdtm: Attempting to read from freed memory # [ 53.738908] lkdtm: Buddy page was not poisoned # READ_BUDDY_AFTER_FREE: missing 'call trace:': [FAIL] not ok 22 selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_DOUBLE.sh # [ 53.841377] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 53.849528] lkdtm: Attempti[ 57.241336] lkdtm: Performing direct entry EXEC_USERSPACE [ 57.252077] lkdtm: attempting ok execution at ffffffffb54b1f00 [ 57.258602] lkdtm: attempting bad execution at 00007fd3306fe000 [ 57.265223] unable to execute userspace code (SMEP?) (uid: 0) [ 57.271668] BUG: unable to handle page fault for address: 00007fd3306fe000 [ 57.279349] #PF: supervisor instruction fetch in kernel mode [ 57.285669] #PF: error_code(0x0011) - permissions violation [ 57.291891] PGD 8000000105c24067 P4D 8000000105c24067 PUD 103272067 PMD 1031a7067 PTE 114c5f067 ng double slab free ... # SLAB_FREE_DOUBLE: missing 'call trace[ 57.301614] Oops: 0011 [#10] SMP PTI [ 57.311817] CPU: 3 PID: 1806 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 57.320469] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 57.327276] RIP: 0010:0x7fd3306fe000 [ 57.331264] Code: Unable to access opcode bytes at RIP 0x7fd3306fdfd6. [ 57.338554] RSP: 0018:ffffa1b4c24a7e50 EFLAGS: 00010246 [ 57.344388] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 [ 57.352357] RDX: 0000000000000000 RSI: ffff8cd9bad9bf70 RDI: ffff8cd9bad9bf70 [ 57.360326] RBP: 00007fd3306fe000 R08: 0000000000000000 R09: 0000000000000000 [ 57.368297] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f [ 57.376265] R13: ffffa1b4c24a7f10 R14: ffffa1b4c24a7f10 R15: ffff8cd945442000 [ 57.384236] FS: 00007fd3306cf580(0000) GS:ffff8cd9bad80000(0000) knlGS:0000000000000000 [ 57.393274] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.399688] CR2: 00007fd3306fe000 CR3: 00000001027c0005 CR4: 00000000003706e0 [ 57.407669] Call Trace: [ 57.410397] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae [ 57.415746] ? direct_entry.cold+0x2c/0x38 [ 57.420320] ? full_proxy_write+0x56/0x80 [ 57.424794] ? vfs_write+0xea/0x390 [ 57.428686] ? ksys_write+0x68/0xe0 [ 57.432569] ? do_syscall_64+0x33/0x40 [ 57.436752] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 57.442586] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify :': [FAIL] not ok 23 selftests: lkdtm: SLAB_FREE_DOUBLE.sh # ex[ 57.469043] CR2: 00007fd3306fe000 [ 57.478954] ---[ end trace 292ac93e28977053 ]--- [ 57.484110] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 57.488479] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 [ 57.509461] RSP: 0018:ffffa1b4c147fe60 EFLAGS: 00010286 [ 57.515294] RAX: ffffffffb54b1b30 RBX: 0000000000000001 RCX: 0000000000000000 [ 57.523263] RDX: 0000000000000000 RSI: ffff8cd9bad1bf70 RDI: ffffffffb60d9a70 [ 57.531232] RBP: ffffffffb651b5e8 R08: 0000000000000001 R09: 0000000000000001 [ 57.539200] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 57.547169] R13: ffffa1b4c147ff10 R14: ffffa1b4c147ff10 R15: ffff8cd944cdf000 [ 57.555139] FS: 00007fd3306cf580(0000) GS:ffff8cd9bad80000(0000) knlGS:0000000000000000 [ 57.564175] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.570590] CR2: 00007fd3306fe000 CR3: 00000001027c0005 CR4: 00000000003706e0 it=1 # selftests: lkdtm: SLAB_FREE_CROSS.sh # [ 53.953238] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 53.960535] 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 # [ 54.100579] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 54.109216] 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 # [ 54.358[ 57.683718] lkdtm: Performing direct entry EXEC_NULL 759] lkdtm: Performing direct entry EXEC_DATA # [ 54.368957] [ 57.689910] lkdtm: attempting ok execution at ffffffffb54b1f00 lkdtm: attempting ok execution at ffffffffb54b1f00 # [ 54.375[ 57.702640] lkdtm: attempting bad execution at 0000000000000000 483] lkdtm: attempting bad execution at ffffffffb7bb3560 # [ [ 57.715470] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 57.729459] #PF: supervisor instruction fetch in kernel mode [ 57.735770] #PF: error_code(0x0010) - not-present page [ 57.741506] PGD 0 P4D 0 [ 57.744322] Oops: 0010 [#11] SMP PTI [ 57.748311] CPU: 1 PID: 1842 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 57.756961] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 57.763767] RIP: 0010:0x0 [ 57.766702] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. 54.382111] kernel tried to execute NX-protected page - exploit a[ 57.774388] RSP: 0018:ffffa1b4c2547e48 EFLAGS: 00010246 [ 57.786437] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 57.794406] RDX: 0000000000000000 RSI: ffff8cd9bac9bf70 RDI: ffff8cd9bac9bf70 [ 57.802375] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 57.810344] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 57.818314] R13: ffffa1b4c2547f10 R14: ffffa1b4c2547f10 R15: ffff8cd945cc9000 [ 57.826284] FS: 00007fa45ef58580(0000) GS:ffff8cd9bac80000(0000) knlGS:0000000000000000 [ 57.835323] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.841738] CR2: ffffffffffffffd6 CR3: 00000001027ec004 CR4: 00000000003706e0 [ 57.849707] Call Trace: [ 57.852437] execute_location+0x48/0x56 ttempt? (uid: 0) # [ 54.390479] BUG: unable to handle page fa[ 57.856720] direct_entry.cold+0x2c/0x38 [ 57.867311] full_proxy_write+0x56/0x80 ult for address: ffffffffb7bb3560 # [ 54.398157] #PF: supervi[ 57.871594] vfs_write+0xea/0x390 [ 57.881503] ksys_write+0x68/0xe0 [ 57.885201] do_syscall_64+0x33/0x40 [ 57.889183] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 57.894822] RIP: 0033:0x7fa45ee80f33 [ 57.898810] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 57.919795] RSP: 002b:00007ffc1c43c458 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.928252] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fa45ee80f33 [ 57.936222] RDX: 000000000000000a RSI: 00007fa45ed71000 RDI: 0000000000000001 [ 57.944192] RBP: 00007fa45ed71000 R08: 00007fa45ed70010 R09: 0000000000000000 [ 57.952162] R10: 00007fa45ef7b1c0 R11: 0000000000000246 R12: 0000000000000001 [ 57.960132] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 sor instruction fetch in kernel mode # [ 54.404475] #PF: erro[ 57.968105] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 58.000749] CR2: 0000000000000000 [ 58.004447] ---[ end trace 292ac93e28977054 ]--- [ 58.009595] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 58.013971] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 [ 58.034954] RSP: 0018:ffffa1b4c147fe60 EFLAGS: 00010286 [ 58.040787] RAX: ffffffffb54b1b30 RBX: 0000000000000001 RCX: 0000000000000000 [ 58.048758] RDX: 0000000000000000 RSI: ffff8cd9bad1bf70 RDI: ffffffffb60d9a70 [ 58.056728] RBP: ffffffffb651b5e8 R08: 0000000000000001 R09: 0000000000000001 [ 58.064713] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 58.072682] R13: ffffa1b4c147ff10 R14: ffffa1b4c147ff10 R15: ffff8cd944cdf000 [ 58.080672] FS: 00007fa45ef58580(0000) GS:ffff8cd9bac80000(0000) knlGS:0000000000000000 [ 58.089718] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.096134] CR2: ffffffffffffffd6 CR3: 00000001027ec004 CR4: 00000000003706e0 [ 58.104104] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 58.114017] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1842, name: cat [ 58.122472] INFO: lockdep is turned off. [ 58.126848] irq event stamp: 0 [ 58.130252] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 58.137252] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 58.146390] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 58.155525] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 58.162525] CPU: 1 PID: 1842 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 58.171175] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.177980] Call Trace: [ 58.180715] dump_stack+0x77/0x97 r_code(0x0011) - permissions violation # [ 54.410708] PGD 138[ 58.184414] ___might_sleep.cold+0xa6/0xb6 [ 58.195200] exit_signals+0x1c/0x2d0 [ 58.199188] do_exit+0xd5/0xb00 [ 58.202709] ? ksys_write+0x68/0xe0 [ 58.206602] rewind_stack_do_exit+0x17/0x20 [ 58.211271] RIP: 0033:0x7fa45ee80f33 [ 58.215250] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 58.236235] RSP: 002b:00007ffc1c43c458 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.244704] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fa45ee80f33 229067 P4D 138229067 PUD 13822a063 PMD 80000001396000e3 # [ [ 58.252680] RDX: 000000000000000a RSI: 00007fa45ed71000 RDI: 0000000000000001 [ 58.266864] RBP: 00007fa45ed71000 R08: 00007fa45ed70010 R09: 0000000000000000 [ 58.274833] R10: 00007fa45ef7b1c0 R11: 0000000000000246 R12: 0000000000000001 [ 58.282801] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 54.418484] Oops: 0011 [#5] SMP PTI # [ 54.422376] CPU: 3 PID: 1626 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 54.431017] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.437823] RIP: 0010:data_area+0x0/0x40 # [ 54.442200] Code: ff ff 00 a2 4b 44 d9 8c ff ff 00 a1 4b 44 d9 8c ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 # [ 54.463176] RSP: 0018:ffffa1b4c2197e48 EFLAGS: 00010246 # [ 54.469010] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.476979] RDX: 0000000000000000 RSI: ffff8cd9bad9bf70 RDI: ffff8cd9bad9bf70 # [ 54.484948] RBP: ffffffffb7bb3560 R08: 0000000000000000 R09: 0000000000000000 # [ 54.492916] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 54.500886] R13: ffffa1b4c2197f10 R14: ffffa1b4c2197f10 R15: ffff8cd944f21000 # [ 54.50885[ 58.380710] lkdtm: Performing direct entry ACCESS_USERSPACE 6] FS: 00007f0040db6580(0000) GS:ffff8cd9bad80000(0000) knlGS:0[ 58.390261] lkdtm: attempting bad read at 00007f6980ddf000 000000000000000 # [ 54.517895] CS: 0010 DS: 0000 ES: 0000 CR[ 58.402617] BUG: unable to handle page fault for address: 00007f6980ddf000 [ 58.416490] #PF: supervisor read access in kernel mode [ 58.422227] #PF: error_code(0x0001) - permissions violation 0:[ 0000000080050033 # [ 54.524309] CR2: ffffffffb7bb3560 CR3: 58.428449] PGD 8000000104f85067 P4D 8000000104f85067 PUD 1027d0067 PMD 104cda067 PTE 1142b9067 [ 58.444390] Oops: 0001 [#12] SMP PTI [ 58.448380] CPU: 1 PID: 1877 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 58.457033] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.463839] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x3d/0x9f 000000010560a005 CR4: 00000000003706e0 # [ 54.532278] Call T[ 58.470063] Code: 2b 04 25 28 00 00 00 75 60 48 83 c4 10 5d c3 48 89 ee 48 c7 c7 e8 12 4c b6 e8 73 9d fd ff 48 c7 c7 10 13 4c b6 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 5a 9d fd ff 48 89 ee 48 c7 c7 38 13 4c [ 58.497260] RSP: 0018:ffffa1b4c25afe48 EFLAGS: 00010246 [ 58.503093] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 [ 58.511060] RDX: 0000000000000000 RSI: ffff8cd9bac9bf70 RDI: ffffffffb64c1310 [ 58.519030] RBP: 00007f6980ddf000 R08: 0000000000000000 R09: 0000000000000000 [ 58.526998] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 [ 58.534967] R13: ffffa1b4c25aff10 R14: ffffa1b4c25aff10 R15: ffff8cd9431a0000 [ 58.542935] FS: 00007f6980db0580(0000) GS:ffff8cd9bac80000(0000) knlGS:0000000000000000 [ 58.551972] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.558385] CR2: 00007f6980ddf000 CR3: 00000001027fc003 CR4: 00000000003706e0 [ 58.566352] Call Trace: [ 58.569080] direct_entry.cold+0x2c/0x38 race: # [ 54.535007] ? execute_location+0x48/0x56 # [ 54.[ 58.573458] full_proxy_write+0x56/0x80 [ 58.583947] vfs_write+0xea/0x390 [ 58.587662] ksys_write+0x68/0xe0 [ 58.591351] do_syscall_64+0x33/0x40 [ 58.595340] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.600971] RIP: 0033:0x7f6980cd8f33 [ 58.604959] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 58.625940] RSP: 002b:00007fff0d9276d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.634396] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f6980cd8f33 [ 58.642366] RDX: 0000000000000011 RSI: 00007f6980bc9000 RDI: 0000000000000001 [ 58.650334] RBP: 00007f6980bc9000 R08: 00007f6980bc8010 R09: 0000000000000000 [ 58.658300] R10: 00007f6980dd31c0 R11: 0000000000000246 R12: 0000000000000001 [ 58.666267] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 539482] ? direct_entry.cold+0x2c/0x38 # [ 54.544055] ? full[ 58.674237] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 58.706876] CR2: 00007f6980ddf000 [ 58.710573] ---[ end trace 292ac93e28977055 ]--- [ 58.715727] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 58.720103] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 [ 58.741077] RSP: 0018:ffffa1b4c147fe60 EFLAGS: 00010286 [ 58.746910] RAX: ffffffffb54b1b30 RBX: 0000000000000001 RCX: 0000000000000000 [ 58.754877] RDX: 0000000000000000 RSI: ffff8cd9bad1bf70 RDI: ffffffffb60d9a70 [ 58.762847] RBP: ffffffffb651b5e8 R08: 0000000000000001 R09: 0000000000000001 [ 58.770816] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 58.778784] R13: ffffa1b4c147ff10 R14: ffffa1b4c147ff10 R15: ffff8cd944cdf000 [ 58.786753] FS: 00007f6980db0580(0000) GS:ffff8cd9bac80000(0000) knlGS:0000000000000000 [ 58.795790] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.802204] CR2: 00007f6980ddf000 CR3: 00000001027fc003 CR4: 00000000003706e0 _proxy_write+0x56/0x80 # [ 54.548529] ? vfs_write+0xea/0x390 # [ 54.552419] ? ksys_write+0x68/0xe0 # [ 54.556310] ? do_syscall_64+0x33/0x40 # [ 54.560494] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 54.566320] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 54.592783] CR2: ffffffffb7bb3560 # [ 54.596479] ---[ end trace 292ac93e2897704e ]--- # [ 54.601633] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 54.606034] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 # [ 54.627019] RSP: 0018:ffffa1b4c147fe60 EFLAGS: 00010286 # [ 54.632852] RAX: ffffffffb54b1b30 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.640822] RDX: 0000000000000000 RSI: ffff8cd9bad1bf70 RDI: ffffffffb60d9a70 # [ 54.[ 58.915109] lkdtm: Performing direct entry ACCESS_NULL 648790] RBP: ffffffffb651b5e8 R08: 0000000000000001 R09: 0000000[ 58.921588] lkdtm: attempting bad read at 0000000000000000 000000001 # [ 54.656760] R10: 00000000ffffe000 R11: 3ffffffff[ 58.933973] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 58.947911] #PF: supervisor read access in kernel mode [ 58.953638] #PF: error_code(0x0000) - not-present page [ 58.959374] PGD 0 P4D 0 [ 58.962190] Oops: 0000 [#13] SMP PTI [ 58.966179] CPU: 0 PID: 1912 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 58.974830] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.981638] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 [ 58.986894] Code: 17 9d fd ff be 00 10 00 00 48 89 ef e8 74 bb 3f ff e9 6d ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 e8 12 4c b6 e8 f1 9c fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 10 13 4c b6 48 01 [ 59.007880] RSP: 0018:ffffa1b4c263fe58 EFLAGS: 00010246 [ 59.013705] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 [ 59.021676] RDX: 0000000000000000 RSI: ffff8cd9bac1bf70 RDI: ffff8cd9bac1bf70 [ 59.029645] RBP: ffffffffb64c03d9 R08: 0000000000000000 R09: 0000000000000000 [ 59.037614] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 59.045585] R13: ffffa1b4c263ff10 R14: ffffa1b4c263ff10 R15: ffff8cd94327c000 [ 59.053556] FS: 00007f8a1b8e2580(0000) GS:ffff8cd9bac00000(0000) knlGS:0000000000000000 [ 59.062586] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.069001] CR2: 0000000000000000 CR3: 0000000105c54004 CR4: 00000000003706f0 [ 59.076974] Call Trace: [ 59.079701] direct_entry.cold+0x2c/0x38 [ 59.084086] full_proxy_write+0x56/0x80 [ 59.088373] vfs_write+0xea/0x390 [ 59.092072] ksys_write+0x68/0xe0 [ 59.095771] do_syscall_64+0x33/0x40 [ 59.099760] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 59.105400] RIP: 0033:0x7f8a1b80af33 [ 59.109389] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 59.130375] RSP: 002b:00007fffe408d088 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.138833] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f8a1b80af33 [ 59.146802] RDX: 000000000000000c RSI: 00007f8a1b6fb000 RDI: 0000000000000001 [ 59.154771] RBP: 00007f8a1b6fb000 R08: 00007f8a1b6fa010 R09: 0000000000000000 [ 59.162741] R10: 00007f8a1b9051c0 R11: 0000000000000246 R12: 0000000000000001 [ 59.170711] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 59.178681] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 59.205117] CR2: 0000000000000000 [ 59.208813] ---[ end trace 292ac93e28977056 ]--- [ 59.213969] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 59.218346] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 [ 59.239331] RSP: 0018:ffffa1b4c147fe60 EFLAGS: 00010286 [ 59.245158] RAX: ffffffffb54b1b30 RBX: 0000000000000001 RCX: 0000000000000000 [ 59.253128] RDX: 0000000000000000 RSI: ffff8cd9bad1bf70 RDI: ffffffffb60d9a70 [ 59.261098] RBP: ffffffffb651b5e8 R08: 0000000000000001 R09: 0000000000000001 [ 59.269068] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 59.277039] R13: ffffa1b4c147ff10 R14: ffffa1b4c147ff10 R15: ffff8cd944cdf000 [ 59.285008] FS: 00007f8a1b8e2580(0000) GS:ffff8cd9bac00000(0000) knlGS:0000000000000000 [ 59.294047] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.300463] CR2: 0000000000000000 CR3: 0000000105c54004 CR4: 00000000003706f0 [ 59.308433] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 59.318346] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1912, name: cat [ 59.326801] INFO: lockdep is turned off. [ 59.331176] irq event stamp: 0 [ 59.334582] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 59.341583] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 59.350719] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 59.359854] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 59.366854] CPU: 0 PID: 1912 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 59.375503] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 59.382308] Call Trace: [ 59.385035] dump_stack+0x77/0x97 [ 59.388739] ___might_sleep.cold+0xa6/0xb6 [ 59.393304] exit_signals+0x1c/0x2d0 [ 59.397292] do_exit+0xd5/0xb00 [ 59.400795] ? ksys_write+0x68/0xe0 [ 59.404687] rewind_stack_do_exit+0x17/0x20 [ 59.409347] RIP: 0033:0x7f8a1b80af33 [ 59.413328] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 59.434303] RSP: 002b:00007fffe408d088 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.442759] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f8a1b80af33 [ 59.450729] RDX: 000000000000000c RSI: 00007f8a1b6fb000 RDI: 0000000000000001 [ 59.458700] RBP: 00007f8a1b6fb000 R08: 00007f8a1b6fa010 R09: 0000000000000000 [ 59.466670] R10: 00007f8a1b9051c0 R11: 0000000000000246 R12: 0000000000000001 [ 59.474639] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 fffffff R12: 0000000000000004 # [ 54.664729] R13: ffffa1b4c147ff10 R14: ffffa1b4c147ff10 R15: ffff8cd944cdf000 # [ 54.672716] FS: 00007f0040db6580(0000) GS:ffff8cd9bad80000(0000) knlGS:0000000000000000 # [ 54.681753] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.688170] CR2: ffffffffb7bb3560 CR3: 000000010560a005 CR4: 00000000003706e0 # [ 54.696140] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 54.706050] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1626, name: cat # [ 54.714505] INFO: lockdep is turned off. # [ 54.718879] irq event stamp: 0 # [ 54.722283] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 54.729283] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 54.738419] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 54.747552] softirqs last disabled at (0): [<00000[ 59.569731] lkdtm: Performing direct entry WRITE_RO [ 59.581295] lkdtm: attempting bad rodata write at ffffffffb60d9ef0 [ 59.588210] BUG: unable to handle page fault for address: ffffffffb60d9ef0 [ 59.595894] #PF: supervisor write access in kernel mode [ 59.601728] #PF: error_code(0x0003) - permissions violation [ 59.607951] PGD 138229067 P4D 138229067 PUD 13822a063 PMD 8000000137c000e1 00000000000>] 0x0 # [ 54.754550] CPU: 3 PID: 1626 Comm: cat T[ 59.615731] Oops: 0003 [#14] SMP PTI [ 59.625935] CPU: 3 PID: 1947 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 59.634585] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 59.641394] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a ainted: G D W 5.10.129-cip12 #1 # [ 54.763200] H[ 59.646352] Code: 00 48 c7 c7 c8 11 4c b6 48 c7 c6 f0 9e 0d b6 e8 93 9f fd ff 48 8b 05 16 11 5e 00 ba 34 12 cd ab 48 c7 c7 f8 11 4c b6 48 31 d0 <48> 89 05 00 11 5e 00 e9 71 9f fd ff 0f 1f 44 00 00 48 8b 05 27 35 [ 59.673550] RSP: 0018:ffffa1b4c267fe60 EFLAGS: 00010202 [ 59.679382] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 [ 59.687350] RDX: 00000000abcd1234 RSI: ffff8cd9bad9bf70 RDI: ffffffffb64c11f8 [ 59.695318] RBP: ffffffffb64c03e5 R08: 0000000000000000 R09: 0000000000000000 [ 59.703287] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 [ 59.711254] R13: ffffa1b4c267ff10 R14: ffffa1b4c267ff10 R15: ffff8cd94408a000 [ 59.719224] FS: 00007f8f4c184580(0000) GS:ffff8cd9bad80000(0000) knlGS:0000000000000000 [ 59.728261] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.734677] CR2: ffffffffb60d9ef0 CR3: 00000001055de006 CR4: 00000000003706e0 [ 59.742659] Call Trace: [ 59.745388] direct_entry.cold+0x2c/0x38 [ 59.749769] full_proxy_write+0x56/0x80 [ 59.754049] vfs_write+0xea/0x390 [ 59.757748] ksys_write+0x68/0xe0 [ 59.761437] do_syscall_64+0x33/0x40 [ 59.765418] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 59.771056] RIP: 0033:0x7f8f4c0acf33 [ 59.775044] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 59.796027] RSP: 002b:00007ffeea6e3168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.804482] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f8f4c0acf33 [ 59.812449] RDX: 0000000000000009 RSI: 00007f8f4bf9d000 RDI: 0000000000000001 [ 59.820417] RBP: 00007f8f4bf9d000 R08: 00007f8f4bf9c010 R09: 0000000000000000 [ 59.828385] R10: 00007f8f4c1a71c0 R11: 0000000000000246 R12: 0000000000000001 [ 59.836353] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 59.844325] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.7[ 59.870769] CR2: ffffffffb60d9ef0 [ 59.880680] ---[ end trace 292ac93e28977057 ]--- [ 59.885835] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 59.890203] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 [ 59.911179] RSP: 0018:ffffa1b4c147fe60 EFLAGS: 00010286 [ 59.917011] RAX: ffffffffb54b1b30 RBX: 0000000000000001 RCX: 0000000000000000 [ 59.924978] RDX: 0000000000000000 RSI: ffff8cd9bad1bf70 RDI: ffffffffb60d9a70 [ 59.932947] RBP: ffffffffb651b5e8 R08: 0000000000000001 R09: 0000000000000001 [ 59.940916] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 59.948883] R13: ffffa1b4c147ff10 R14: ffffa1b4c147ff10 R15: ffff8cd944cdf000 [ 59.956853] FS: 00007f8f4c184580(0000) GS:ffff8cd9bad80000(0000) knlGS:0000000000000000 [ 59.965891] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.972307] CR2: ffffffffb60d9ef0 CR3: 00000001055de006 CR4: 00000000003706e0 70003] Call Trace: # [ 54.772731] dump_stack+0x77/0x97 # [ 54.776430] ___might_sleep.cold+0xa6/0xb6 # [ 54.781002] exit_signals+0x1c/0x2d0 # [ 54.784980] do_exit+0xd5/0xb00 # [ 54.788481] ? ksys_write+0x68/0xe0 # [ 54.792373] rewind_stack_do_exit+0x17/0x20 # [ 54.797041] RIP: 0033:0x7f0040cdef33 # [ 54.801029] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 54.822013] RSP: 002b:00007ffc8911f858 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 54.830458] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f0040cdef33 # [ 54.838429] RDX: 000000000000000a RSI: 00007f0040bcf000 RDI: 0000000000000001 # [ 54.846389] RBP: 00007f0040bcf000 R08: 00007f0040bce010 R09: 0000000000000000 # [ 54.854358] R10: 00007f0040dd91c0 R11: 0000000000000246 R12: 0000000000[ 60.069059] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT 000001 # [ 54.862328] R13: 0000000000000001 R14: 000000000002[ 60.080056] lkdtm: attempting bad ro_after_init write at ffffffffb653c328 0000 R15: 0000000000020000 # EXEC_DATA: saw 'call trace:': ok [ 60.093878] BUG: unable to handle page fault for address: ffffffffb653c328 [ 60.107751] #PF: supervisor write access in kernel mode [ 60.113579] #PF: error_code(0x0003) - permissions violation [ 60.119802] PGD 138229067 P4D 138229067 PUD 13822a063 PMD 100052063 PTE 800000013813c061 ok 30 selftests: lkdtm: EXEC_DATA.sh # selftests: lkdtm: EXEC_S[ 60.128844] Oops: 0003 [#15] SMP PTI [ 60.139047] CPU: 1 PID: 1982 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 60.147708] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 60.154516] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a TACK.sh # Killed # [ 54.972075] lkdtm: Performing direct ent[ 60.160544] Code: 12 4c b6 e9 45 9f fd ff 48 c7 c7 50 12 4c b6 e8 39 9f fd ff 48 8b 05 f4 34 a4 00 ba 34 12 cd ab 48 c7 c7 f8 11 4c b6 48 31 d0 <48> 89 05 de 34 a4 00 e9 17 9f fd ff 0f 1f 44 00 00 41 54 48 c7 c7 [ 60.187737] RSP: 0018:ffffa1b4c273fe60 EFLAGS: 00010202 [ 60.193569] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 [ 60.201537] RDX: 00000000abcd1234 RSI: ffff8cd9bac9bf70 RDI: ffffffffb64c11f8 [ 60.209506] RBP: ffffffffb64c03ee R08: 0000000000000000 R09: 0000000000000000 [ 60.217473] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 [ 60.225442] R13: ffffa1b4c273ff10 R14: ffffa1b4c273ff10 R15: ffff8cd9435b9000 [ 60.233412] FS: 00007f1979f03580(0000) GS:ffff8cd9bac80000(0000) knlGS:0000000000000000 [ 60.242448] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.248863] CR2: ffffffffb653c328 CR3: 0000000103416005 CR4: 00000000003706e0 [ 60.256831] Call Trace: [ 60.259557] direct_entry.cold+0x2c/0x38 [ 60.263935] full_proxy_write+0x56/0x80 ry EXEC_STACK # [ 54.981744] lkdtm: attempting ok execution a[ 60.268219] vfs_write+0xea/0x390 [ 60.278127] ksys_write+0x68/0xe0 [ 60.281824] do_syscall_64+0x33/0x40 [ 60.285813] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 60.291452] RIP: 0033:0x7f1979e2bf33 [ 60.295439] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 60.316413] RSP: 002b:00007ffe2410dd78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.324870] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f1979e2bf33 [ 60.332839] RDX: 0000000000000014 RSI: 00007f1979d1c000 RDI: 0000000000000001 [ 60.340807] RBP: 00007f1979d1c000 R08: 00007f1979d1b010 R09: 0000000000000000 [ 60.348773] R10: 00007f1979f261c0 R11: 0000000000000246 R12: 0000000000000001 [ 60.356743] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 t ffffffffb54b1f00 # [ 54.994474] lkdtm: attempting bad execu[ 60.364719] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 60.397356] CR2: ffffffffb653c328 [ 60.401051] ---[ end trace 292ac93e28977058 ]--- [ 60.406205] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 60.410582] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 [ 60.431557] RSP: 0018:ffffa1b4c147fe60 EFLAGS: 00010286 [ 60.437389] RAX: ffffffffb54b1b30 RBX: 0000000000000001 RCX: 0000000000000000 [ 60.445358] RDX: 0000000000000000 RSI: ffff8cd9bad1bf70 RDI: ffffffffb60d9a70 [ 60.453325] RBP: ffffffffb651b5e8 R08: 0000000000000001 R09: 0000000000000001 [ 60.461292] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 60.469261] R13: ffffa1b4c147ff10 R14: ffffa1b4c147ff10 R15: ffff8cd944cdf000 [ 60.477229] FS: 00007f1979f03580(0000) GS:ffff8cd9bac80000(0000) knlGS:0000000000000000 [ 60.486264] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.492676] CR2: ffffffffb653c328 CR3: 0000000103416005 CR4: 00000000003706e0 [ 60.500660] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 60.510570] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1982, name: cat [ 60.519024] INFO: lockdep is turned off. [ 60.523398] irq event stamp: 0 [ 60.526804] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 60.533796] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 60.542921] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 60.552052] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 60.559050] CPU: 1 PID: 1982 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 60.567708] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 60.574512] Call Trace: [ 60.577238] dump_stack+0x77/0x97 tion at ffffa1b4c2237e18 # [ 55.007304] kernel tried to execu[ 60.580936] ___might_sleep.cold+0xa6/0xb6 [ 60.591721] exit_signals+0x1c/0x2d0 [ 60.595709] do_exit+0xd5/0xb00 [ 60.599212] ? ksys_write+0x68/0xe0 [ 60.603104] rewind_stack_do_exit+0x17/0x20 [ 60.607773] RIP: 0033:0x7f1979e2bf33 [ 60.611759] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 60.632741] RSP: 002b:00007ffe2410dd78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.641195] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f1979e2bf33 [ 60.649163] RDX: 0000000000000014 RSI: 00007f1979d1c000 RDI: 0000000000000001 [ 60.657133] RBP: 00007f1979d1c000 R08: 00007f1979d1b010 R09: 0000000000000000 [ 60.665101] R10: 00007f1979f261c0 R11: 0000000000000246 R12: 0000000000000001 [ 60.673069] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 te NX-protected page - exploit attempt? (uid: 0) # [ 55.021878] BUG: unable to handle page fault for address: ffffa1b4c2237e18 # [ 55.029556] #PF: supervisor instruction fetch in kernel mode # [ 55.035876] #PF: error_code(0x0011) - permissions violation # [ 55.042100] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 100925067 PTE 8000000103f63063 # [ 55.051143] Oops: 0011 [#6] SMP PTI # [ 55.061249] CPU: 1 PID: 1662 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 55.069890] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.076711] RIP: 0010:0xffffa1b4c2237e18 # [ 55.081083] Code: 00 00 18 7e 23 c2 b4 a1 ff ff ad 8d af b5 ff ff ff ff 20 00 00 00 00 00 00 00 7e 03 4c b6 ff ff ff ff d9 8e af b5 ff ff ff ff <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 # [[ 60.761623] lkdtm: Performing direct entry WRITE_KERN 55.102068] RSP: 0018:ffffa1b4c2237df8 EFLAGS: 00010246 # [ [ 60.767485] lkdtm: attempting bad 6581844 byte write at ffffffffb5af8d54 55.107901] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 000[ 60.781195] BUG: unable to handle page fault for address: ffffffffb5af8d54 [ 60.795074] #PF: supervisor write access in kernel mode [ 60.800908] #PF: error_code(0x0003) - permissions violation [ 60.807131] PGD 138229067 P4D 138229067 PUD 13822a063 PMD 1376000e1 [ 60.814235] Oops: 0003 [#16] SMP PTI [ 60.818224] CPU: 0 PID: 2017 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 60.826866] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 60.833676] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e [ 60.838826] Code: 53 48 c7 c3 54 8d af b5 49 89 dc 48 89 da 49 81 ec 00 1f 4b b5 4c 89 e6 e8 ec 9e fd ff 48 89 df 4c 89 e1 48 c7 c6 00 1f 4b b5 a4 48 c7 c7 f8 11 4c b6 e8 d1 9e fd ff 5b 41 5c e9 b7 fe ff ff [ 60.859801] RSP: 0018:ffffa1b4c27a7e50 EFLAGS: 00010246 [ 60.865635] RAX: 000000000000003c RBX: ffffffffb5af8d54 RCX: 0000000000646e54 [ 60.873604] RDX: 0000000000000000 RSI: ffffffffb54b1f00 RDI: ffffffffb5af8d54 [ 60.881573] RBP: ffffffffb64c0402 R08: 0000000000000000 R09: 0000000000000000 [ 60.889544] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000646e54 [ 60.897515] R13: ffffa1b4c27a7f10 R14: ffffa1b4c27a7f10 R15: ffff8cd9427c0000 [ 60.905487] FS: 00007fa011635580(0000) GS:ffff8cd9bac00000(0000) knlGS:0000000000000000 [ 60.914525] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.920942] CR2: ffffffffb5af8d54 CR3: 0000000103164002 CR4: 00000000003706f0 [ 60.928912] Call Trace: [ 60.931642] direct_entry.cold+0x2c/0x38 [ 60.936027] full_proxy_write+0x56/0x80 [ 60.940315] vfs_write+0xea/0x390 [ 60.944012] ksys_write+0x68/0xe0 [ 60.947710] do_syscall_64+0x33/0x40 [ 60.951691] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 60.957333] RIP: 0033:0x7fa01155df33 [ 60.961321] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 60.982309] RSP: 002b:00007ffc0a19efb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.990765] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fa01155df33 [ 60.998736] RDX: 000000000000000b RSI: 00007fa01144e000 RDI: 0000000000000001 [ 61.006706] RBP: 00007fa01144e000 R08: 00007fa01144d010 R09: 0000000000000000 [ 61.014677] R10: 00007fa0116581c0 R11: 0000000000000246 R12: 0000000000000001 [ 61.022646] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 61.030618] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 61.057059] CR2: ffffffffb5af8d54 [ 61.060757] ---[ end trace 292ac93e28977059 ]--- [ 61.065912] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 61.070289] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 [ 61.091262] RSP: 0018:ffffa1b4c147fe60 EFLAGS: 00010286 [ 61.097096] RAX: ffffffffb54b1b30 RBX: 0000000000000001 RCX: 0000000000000000 [ 61.105065] RDX: 0000000000000000 RSI: ffff8cd9bad1bf70 RDI: ffffffffb60d9a70 [ 61.113034] RBP: ffffffffb651b5e8 R08: 0000000000000001 R09: 0000000000000001 [ 61.121002] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 61.128972] R13: ffffa1b4c147ff10 R14: ffffa1b4c147ff10 R15: ffff8cd944cdf000 [ 61.136942] FS: 00007fa011635580(0000) GS:ffff8cd9bac00000(0000) knlGS:0000000000000000 [ 61.145980] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.152397] CR2: ffffffffb5af8d54 CR3: 0000000103164002 CR4: 00000000003706f0 0000000000000 # [ 55.115872] RDX: 0000000000000000 RSI: ffff8cd9bac9bf70 RDI: ffff8cd9bac9bf70 # [ 55.123842] RBP: ffffa1b4c2237e18 R08: 0000000000000000 R09: 0000000000000000 # [ 55.131812] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 55.139781] R13: ffffa1b4c2237f10 R14: ffffa1b4c2237f10 R15: ffff8cd944db3000 # [ 55.147751] FS: 00007f05b4bad580(0000) GS:ffff8cd9bac80000(0000) knlGS:0000000000000000 # [ 55.156787] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.163205] CR2: ffffa1b4c2237e18 CR3: 0000000103248005 CR4: 00000000003706e0 # [ 55.171175] Call Trace: # [ 55.173903] ? execute_location+0x48/0x56 # [ 55.178379] ? lkdtm_EXEC_STACK+0x26/0x40 # [ 55.189066] ? direct_entry.cold+0x2c/0x38 # [ 55.193661] ? full_proxy_write+0x56/0x80 # [ 55.198138] ? vfs_write+0xea/0x390 # [ 55.208241] ? ksys_write+0x68/0xe0 # [ 55.212132] ? do_syscall_64+0x33/0x40 # [ 55.216315] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 55.222148] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 55.254792] CR2: ffffa1b4c2237e18 # [ 55.258481] ---[ end trace 292ac93e2897704f ]--- # [ 55.263627] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 55.268003] Code: 5b a5 ff 48 c7 c0 ea [ 61.298311] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d[ 61.310121] lkdtm: attempting good refcount_inc() without overflow 1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 [ 61.323273] lkdtm: attempting bad refcount_inc() overflow 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 # [ 55.288987] R[ 61.335513] ------------[ cut here ]------------ [ 61.346848] refcount_t: saturated; leaking memory. SP: 0018:ffffa1b4c147fe60 EFLAGS: 00010286 # [ 55.294821] RAX[ 61.352235] WARNING: CPU: 0 PID: 2052 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 : ffffffffb54b1b30 RBX: 0000000000000001 RCX: 0000000000000000 [ 61.367781] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 55.302791] RDX: 0000000000000000 RSI: ffff8cd9bad1bf70 RDI[ 61.400447] CPU: 0 PID: 2052 Comm: cat Tainted: G D W 5.10.129-cip12 #1 : ffffffffb60d9a70 # [ 55.310761] RBP: ffffffffb651b5e8 R08: [ 61.415318] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 0000000000000001 R09: 0000000000000001 # [ 55.318731] R10: 00[ 61.428343] RIP: 0010:refcount_warn_saturate+0x49/0xf0 000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ [ 61.440261] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 1a 1e 76 01 00 75 f2 48 c7 c7 80 be 45 b6 c6 05 0a 1e 76 01 01 e8 dd 1b 93 00 <0f> 0b c3 80 3d fa 1d 76 01 00 75 d3 48 c7 c7 a8 be 45 b6 c6 05 ea 55.326715] R13: ffffa1b4c147ff10 R14: ffffa1b4c147ff10 R15: ff[ 61.467500] RSP: 0018:ffffa1b4c282fe48 EFLAGS: 00010286 ff8cd944cdf000 # [ 55.334685] FS: 00007f05b4bad580(0000) GS:[ 61.479539] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 ffff8cd9bac80000(0000) knlGS:0000000000000000 # [ 55.343725] [ 61.493753] RDX: ffff8cd9bac2c660 RSI: ffff8cd9bac1bf70 RDI: ffff8cd9bac1bf70 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.3501[ 61.507969] RBP: ffffffffb64c040d R08: 0000000000000000 R09: 0000000000000000 40] CR2: ffffa1b4c2237e18 CR3: 0000000103248005 CR4: 00000000003[ 61.522137] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 706e0 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkd[ 61.536353] R13: ffffa1b4c282ff10 R14: ffffa1b4c282ff10 R15: ffff8cd94305a000 tm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed[ 61.550529] FS: 00007f692dde7580(0000) GS:ffff8cd9bac00000(0000) knlGS:0000000000000000 # [ 55.447264] lkdtm: Performing direct entry EXEC_KMALLOC [ 61.565806] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.457176] lkdtm: attempting ok execution at ffffffffb54b1[ 61.578423] CR2: 00007f692dc00000 CR3: 0000000103186004 CR4: 00000000003706f0 f00 # [ 55.463699] lkdtm: attempting bad execution at ffff8cd[ 61.592623] Call Trace: 942998140 # [ 55.470321] kernel tried to execute NX-protected[ 61.601562] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x94 page - exploit attempt? (uid: 0) # [ 55.478709] BUG: unable [ 61.613138] direct_entry.cold+0x2c/0x38 to handle page fault for address: ffff8cd942998140 # [ 55.486[ 61.623726] full_proxy_write+0x56/0x80 379] #PF: supervisor instruction fetch in kernel mode # [ 55.[ 61.634230] vfs_write+0xea/0x390 492698] #PF: error_code(0x0011) - permissions violation # [ 5[ 61.644149] ksys_write+0x68/0xe0 5.498919] PGD 139801067 P4D 139801067 PUD 10004e063 PMD 1048d206[ 61.654072] do_syscall_64+0x33/0x40 3 PTE 8000000102998163 # [ 55.507962] Oops: 0011 [#7] SMP PTI[ 61.664276] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 55.518067] CPU: 2 PID: 1698 Comm: cat Tainted: G D [ 61.676148] RIP: 0033:0x7f692dd0ff33 W 5.10.129-cip12 #1 # [ 55.526716] Hardware name: Goo[ 61.686351] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 gle Rammus/Rammus, BIOS 09/04/2020 # [ 55.533522] RIP: 0010:[ 61.713564] RSP: 002b:00007ffebf2bf728 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 0xffff8cd942998140 # [ 55.537889] Code: 00 00 02 00 00 00 00 [ 61.728234] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f692dd0ff33 00 00 00 40 54 85 43 d9 8c ff ff 03 00 00 00 00 00 00 00 00 00 0[ 61.742427] RDX: 0000000000000016 RSI: 00007f692dc00000 RDI: 0000000000000001 0 00 00 00 00 00 24 f3 29 b5 ff ff ff ff <0f> 1f 44 00 00 c3 66 [ 61.756615] RBP: 00007f692dc00000 R08: 00007f692dbff010 R09: 0000000000000000 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 # [ 55.558873] R[ 61.770825] R10: 00007f692de0a1c0 R11: 0000000000000246 R12: 0000000000000001 SP: 0018:ffffa1b4c229fe38 EFLAGS: 00010246 # [ 55.564711] RAX[ 61.785000] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 : 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 61.799221] irq event stamp: 0 # [ 55.572681] RDX: 0000000000000000 RSI: ffff8cd9bad1bf70 RDI[ 61.808828] hardirqs last enabled at (0): [<0000000000000000>] 0x0 : ffff8cd9bad1bf70 # [ 55.580660] RBP: ffff8cd942998140 R08: [ 61.822059] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 0000000000000000 R09: 0000000000000000 # [ 55.588629] R10: 00[ 61.837410] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ [ 61.852775] softirqs last disabled at (0): [<0000000000000000>] 0x0 55.596598] R13: ffffa1b4c229ff10 R14: ffffa1b4c229ff10 R15: ff[ 61.865987] ---[ end trace 292ac93e2897705a ]--- ff8cd943572000 # [ 55.604567] FS: 00007f565e42e580(0000) GS:[ 61.877372] lkdtm: Overflow detected: saturated ffff8cd9bad00000(0000) knlGS:0000000000000000 # [ 55.613606] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.620024] CR2: ffff8cd942998140 CR3: 0000000104d8c006 CR4: 00000000003706e0 # [ 55.627993] Call Trace: # [ 55.630720] ? execute_location+0x48/0x56 # [ 55.635194] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 55.639863] ? direct_entry.cold+0x2c/0x38 # [ 55.644436] ? full_proxy_write+0x56/0x80 # [ 55.648911] ? vfs_write+0xea/0x390 # [ 55.652793] ? ksys_write+0x68/0xe0 # [ 55.656683] ? do_syscall_64+0x33/0x40 # [ 55.660866] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 55.666714] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 55.693168] CR2: ffff8cd942998140 # [ 55.703077] ---[ end trace 292ac93e28977050 ]--- # [ 55.708232] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 55.712608] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc[ 61.995769] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0[ 62.007217] lkdtm: attempting good refcount_add() without overflow f 1f 44 00 00 83 05 e0 19 70 02 # [ 55.733593] RSP: 0018:ffff[ 62.020342] lkdtm: attempting bad refcount_add() overflow [ 62.032582] ------------[ cut here ]------------ a1b4c147fe60 EFLAGS: 00010286 # [ 55.739418] RAX: ffffffffb54[ 62.037739] refcount_t: saturated; leaking memory. b1b30 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.7473[ 62.049333] WARNING: CPU: 1 PID: 2084 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 87] RDX: 0000000000000000 RSI: ffff8cd9bad1bf70 RDI: ffffffffb60[ 62.064850] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 62.097492] CPU: 1 PID: 2084 Comm: cat Tainted: G D W 5.10.129-cip12 #1 d9a70 # [ 55.755356] RBP: ffffffffb651b5e8 R08: 0000000000000[ 62.106170] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 62.119186] RIP: 0010:refcount_warn_saturate+0x49/0xf0 001 R09: 0000000000000001 # [ 55.763325] R10: 00000000ffffe00[ 62.124952] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 1a 1e 76 01 00 75 f2 48 c7 c7 80 be 45 b6 c6 05 0a 1e 76 01 01 e8 dd 1b 93 00 <0f> 0b c3 80 3d fa 1d 76 01 00 75 d3 48 c7 c7 a8 be 45 b6 c6 05 ea 0 R11: 3fffffffffffffff R12: 0000000000000004 # [ 55.771294] [ 62.152145] RSP: 0018:ffffa1b4c28cfe48 EFLAGS: 00010286 [ 62.164196] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 R13: ffffa1b4c147ff10 R14: ffffa1b4c147ff10 R15: ffff8cd944cdf00[ 62.172172] RDX: ffff8cd9bacac660 RSI: ffff8cd9bac9bf70 RDI: ffff8cd9bac9bf70 0 # [ 55.779264] FS: 00007f565e42e580(0000) GS:ffff8cd9bad00[ 62.186357] RBP: ffffffffb64c0423 R08: 0000000000000000 R09: 0000000000000000 000(0000) knlGS:0000000000000000 # [ 55.788301] CS: 0010 DS:[ 62.200547] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 0000 ES: 0000 CR0: 0000000080050033 # [ 55.794720] CR2: ffff[ 62.214736] R13: ffffa1b4c28cff10 R14: ffffa1b4c28cff10 R15: ffff8cd94125f000 [ 62.228923] FS: 00007f841344c580(0000) GS:ffff8cd9bac80000(0000) knlGS:0000000000000000 8cd942998140 CR3: 0000000104d8c006 CR4: 00000000003706e0 # [ [ 62.237965] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 55.802690] BUG: sleeping function called from invalid context at[ 62.250615] CR2: 00007f8413265000 CR3: 0000000103576005 CR4: 00000000003706e0 include/linux/percpu-rwsem.h:49 # [ 55.812602] in_atomic(): [ 62.264787] Call Trace: 0, irqs_disabled(): 1, non_block: 0, pid: 1698, name: cat # [ [ 62.273734] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa3 55.821059] INFO: lockdep is turned off. # [ 55.825434] irq e[ 62.285297] direct_entry.cold+0x2c/0x38 vent stamp: 0 # [ 55.828839] hardirqs last enabled at (0): [[ 62.295893] full_proxy_write+0x56/0x80 <0000000000000000>] 0x0 # [ 55.835840] hardirqs last disabled[ 62.306393] vfs_write+0xea/0x390 [ 62.316308] ksys_write+0x68/0xe0 at (0): [] copy_process+0x63c/0x1c80 # [ 5[ 62.320012] do_syscall_64+0x33/0x40 [ 62.330213] entry_SYSCALL_64_after_hwframe+0x44/0xa9 5.844976] softirqs last enabled at (0): [] co[ 62.335855] RIP: 0033:0x7f8413374f33 [ 62.346054] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 py_process+0x63c/0x1c80 # [ 55.854110] softirqs last disabled[ 62.367044] RSP: 002b:00007ffdb0fbf268 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 62.381711] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f8413374f33 [ 62.389697] RDX: 0000000000000016 RSI: 00007f8413265000 RDI: 0000000000000001 at (0): [<0000000000000000>] 0x0 # [ 55.861110] CPU: 2 PID: [ 62.397711] RBP: 00007f8413265000 R08: 00007f8413264010 R09: 0000000000000000 [ 62.411895] R10: 00007f841346f1c0 R11: 0000000000000246 R12: 0000000000000001 [ 62.419868] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 1698 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 62.427844] irq event stamp: 0 [ 62.437460] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 55.869760] Hardware name: Google Rammus/Rammus, BIOS 09/04/[ 62.444466] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 62.459812] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 2020 # [ 55.876563] Call Trace: # [ 55.879290] dump_stack[ 62.468954] softirqs last disabled at (0): [<0000000000000000>] 0x0 +0x77/0x97 # [ 55.882979] ___might_sleep.cold+0xa6/0xb6 # [[ 62.482170] ---[ end trace 292ac93e2897705b ]--- 55.887541] exit_signals+0x1c/0x2d0 # [ 55.891531] do_exi[ 62.493545] lkdtm: Overflow detected: saturated t+0xd5/0xb00 # [ 55.895033] ? ksys_write+0x68/0xe0 # [ 55.898926] rewind_stack_do_exit+0x17/0x20 # [ 55.903593] RIP: 0033:0x7f565e356f33 # [ 55.907582] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 55.928562] RSP: 002b:00007ffe665217e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 55.937017] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f565e356f33 # [ 55.944985] RDX: 000000000000000d RSI: 00007f565e247000 RDI: 0000000000000001 # [ 55.952955] RBP: 00007f565e247000 R08: 00007f565e246010 R09: 0000000000000000 # [ 55.960925] R10: 00007f565e4511c0 R11: 0000000000000246 R12: 0000000000000001 # [ 55.968895] R13: 0000000000000001 R[ 62.579450] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW 14: 0000000000020000 R15: 0000000000020000 # EXEC_KMALLOC: saw [ 62.593204] lkdtm: attempting bad refcount_inc_not_zero() overflow 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # se[ 62.606325] ------------[ cut here ]------------ [ 62.617712] refcount_t: saturated; leaking memory. lftests: lkdtm: EXEC_VMALLOC.sh # Killed # [ 56.131789] lkdt[ 62.623095] WARNING: CPU: 1 PID: 2116 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 m: Performing direct entry EXEC_VMALLOC # [ 56.138140] lkdtm:[ 62.638608] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 62.671251] CPU: 1 PID: 2116 Comm: cat Tainted: G D W 5.10.129-cip12 #1 attempting ok execution at ffffffffb54b1f00 # [ 56.150875] l[ 62.679929] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 kdtm: attempting bad execution at ffffa1b4c062f000 # [ 56.163[ 62.692949] RIP: 0010:refcount_warn_saturate+0x87/0xf0 746] kernel tried to execute NX-protected page - exploit attempt[ 62.704902] Code: 05 ea 1d 76 01 01 e8 be 1b 93 00 0f 0b c3 80 3d dd 1d 76 01 00 75 b4 48 c7 c7 80 be 45 b6 c6 05 cd 1d 76 01 01 e8 9f 1b 93 00 <0f> 0b c3 80 3d bb 1d 76 01 00 75 95 48 c7 c7 d8 be 45 b6 c6 05 ab ? (uid: 0) # [ 56.178304] BUG: unable to handle page fault fo[ 62.732097] RSP: 0018:ffffa1b4c2967e38 EFLAGS: 00010282 r address: ffffa1b4c062f000 [ 62.732100] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 62.732101] RDX: ffff8cd9bacac660 RSI: ffff8cd9bac9bf70 RDI: ffff8cd9bac9bf70 # [ 56.185983] #PF: supervisor instruction fetch in kernel mod[ 62.732101] RBP: ffffffffb64c0060 R08: 0000000000000000 R09: 0000000000000000 [ 62.732102] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 62.732105] R13: ffffa1b4c2967f10 R14: ffffa1b4c2967f10 R15: ffff8cd94287b000 [ 62.793029] FS: 00007f03929ef580(0000) GS:ffff8cd9bac80000(0000) knlGS:0000000000000000 e # [ 56.192302] #PF: error_code(0x0011) - permissions violat[ 62.802071] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ion # [ 56.198524] PGD 100000067 P4D 100000067 PUD 10020b067 [ 62.814700] CR2: 00007f0392808000 CR3: 00000001040f2006 CR4: 00000000003706e0 PMD 105504067 PTE 800000010542e063 # [ 56.207571] Oops: 0011 [ 62.828887] Call Trace: [#8] SMP PTI # [ 56.211462] CPU: 0 PID: 1734 Comm: cat Tainte[ 62.837835] __refcount_add_not_zero.constprop.0+0x2a/0x31 d: G D W 5.10.129-cip12 #1 # [ 56.220111] Hardwa[ 62.850176] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x72 [ 62.862614] direct_entry.cold+0x2c/0x38 re name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.226917[ 62.867007] full_proxy_write+0x56/0x80 ] RIP: 0010:0xffffa1b4c062f000 # [ 56.231285] Code: Unable to[ 62.877493] vfs_write+0xea/0x390 access opcode bytes at RIP 0xffffa1b4c062efd6. # [ 56.238955[ 62.887407] ksys_write+0x68/0xe0 ] RSP: 0018:ffffa1b4c2347e38 EFLAGS: 00010246 # [ 56.244788] [ 62.897325] do_syscall_64+0x33/0x40 RAX: 0000000000000033 RBX: 0000000000000001 RCX: 000000000000000[ 62.907532] entry_SYSCALL_64_after_hwframe+0x44/0xa9 0 # [ 56.252758] RDX: 0000000000000000 RSI: ffff8cd9bac1bf70 [ 62.919387] RIP: 0033:0x7f0392917f33 RDI: ffff8cd9bac1bf70 # [ 56.260728] RBP: ffffa1b4c062f000 R0[ 62.929594] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 8: 0000000000000000 R09: 0000000000000000 # [ 56.268708] R10:[ 62.956793] RSP: 002b:00007ffcfc7593b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 62.971467] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f0392917f33 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d #[ 62.979441] RDX: 000000000000001f RSI: 00007f0392808000 RDI: 0000000000000001 [ 62.993622] RBP: 00007f0392808000 R08: 00007f0392807010 R09: 0000000000000000 [ 56.276679] R13: ffffa1b4c2347f10 R14: ffffa1b4c2347f10 R15:[ 63.001595] R10: 00007f0392a121c0 R11: 0000000000000246 R12: 0000000000000001 [ 63.015775] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ffff8cd94542e000 # [ 56.284658] FS: 00007fa048fd9580(0000) [ 63.023752] irq event stamp: 0 [ 63.033365] hardirqs last enabled at (0): [<0000000000000000>] 0x0 GS:ffff8cd9bac00000(0000) knlGS:0000000000000000 # [ 56.29370[ 63.040369] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 6] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.3[ 63.055713] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 63.071064] softirqs last disabled at (0): [<0000000000000000>] 0x0 00121] CR2: ffffa1b4c062efd6 CR3: 0000000104f20003 CR4: 00000000[ 63.078067] ---[ end trace 292ac93e2897705c ]--- 003706f0 # [ 56.308091] Call Trace: # [ 56.310819] ? exec[ 63.089432] lkdtm: Overflow detected: saturated ute_location+0x48/0x56 # [ 56.315299] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 56.319957] ? direct_entry.cold+0x2c/0x38 # [ 56.324528] ? full_proxy_write+0x56/0x80 # [ 56.329004] ? vfs_write+0xea/0x390 # [ 56.332895] ? ksys_write+0x68/0xe0 # [ 56.336787] ? do_syscall_64+0x33/0x40 # [ 56.340971] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 56.346806] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 56.373249] CR2: ffffa1b4c062f000 # [ 56.376938] ---[ end trace 292ac93e28977051 ]--- # [ 56.382092] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 56.386469] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 # [ 56.407455] RSP: 0018:ffffa1b4c147fe60 EFLAGS: 00010286 # [ 56.413286] RAX: ffffffffb54b1b30 RBX: 0000000000000001 RCX: 0000000000000000 # [ 56.421255] RDX: 0000000000000000 RSI: ffff8cd9bad1bf70 RDI: ffffffff[ 63.218152] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW b60d9a70 # [ 56.429226] RBP: ffffffffb651b5e8 R08: 0000000000[ 63.226412] lkdtm: attempting bad refcount_add_not_zero() overflow 000001 R09: 0000000000000001 # [ 56.437197] R10: 00000000ffff[ 63.239563] ------------[ cut here ]------------ e000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 56.44516[ 63.250929] refcount_t: saturated; leaking memory. 5] R13: ffffa1b4c147ff10 R14: ffffa1b4c147ff10 R15: ffff8cd944cd[ 63.262522] WARNING: CPU: 0 PID: 2148 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 f000 # [ 56.453134] FS: 00007fa048fd9580(0000) GS:ffff8cd9ba[ 63.278031] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify c00000(0000) knlGS:0000000000000000 # [ 56.462173] CS: 0010 [ 63.310693] CPU: 0 PID: 2148 Comm: cat Tainted: G D W 5.10.129-cip12 #1 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.468588] CR2: f[ 63.325573] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 fffa1b4c062efd6 CR3: 0000000104f20003 CR4: 00000000003706f0 # E[ 63.338599] RIP: 0010:refcount_warn_saturate+0x87/0xf0 XEC_VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC[ 63.350538] Code: 05 ea 1d 76 01 01 e8 be 1b 93 00 0f 0b c3 80 3d dd 1d 76 01 00 75 b4 48 c7 c7 80 be 45 b6 c6 05 cd 1d 76 01 01 e8 9f 1b 93 00 <0f> 0b c3 80 3d bb 1d 76 01 00 75 95 48 c7 c7 d8 be 45 b6 c6 05 ab _VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh # Killed # [ [ 63.377775] RSP: 0018:ffffa1b4c29cfe38 EFLAGS: 00010282 56.598399] lkdtm: Performing direct entry EXEC_RODATA # [ 56[ 63.389868] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 .606705] lkdtm: attempting ok execution at ffffffffb54b1f00 # [[ 63.404026] RDX: ffff8cd9bac2c660 RSI: ffff8cd9bac1bf70 RDI: ffff8cd9bac1bf70 56.619437] lkdtm: attempting bad execution at ffffffffb60d9f0[ 63.418244] RBP: ffffffffb64c0080 R08: 0000000000000000 R09: 0000000000000000 0 # [ 56.632268] kernel tried to execute NX-protected page - [ 63.432417] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f exploit attempt? (uid: 0) # [ 56.646840] BUG: unable to handl[ 63.446628] R13: ffffa1b4c29cff10 R14: ffffa1b4c29cff10 R15: ffff8cd9448d1000 e page fault for address: ffffffffb60d9f00 # [ 56.654520] #PF[ 63.460797] FS: 00007f8c2f843580(0000) GS:ffff8cd9bac00000(0000) knlGS:0000000000000000 : supervisor instruction fetch in kernel mode # [ 56.660839] [ 63.476074] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 #PF: error_code(0x0011) - permissions violation # [ 56.667061[ 63.488697] CR2: 00007f8c2f65c000 CR3: 00000001035f2006 CR4: 00000000003706f0 ] PGD 138229067 P4D 138229067 PUD 13822a063 PMD 8000000137c000e1[ 63.502910] Call Trace: # [ 56.674841] Oops: 0011 [#9] SMP PTI # [ 56.678732] CP[ 63.511846] __refcount_add_not_zero.constprop.0+0x2a/0x31 U: 1 PID: 1770 Comm: cat Tainted: G D W 5.10.129-ci[ 63.524196] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x72 p12 #1 # [ 56.687382] Hardware name: Google Rammus/Rammus, BI[ 63.536628] direct_entry.cold+0x2c/0x38 OS 09/04/2020 # [ 56.694189] RIP: 0010:lkdtm_rodata_do_nothi[ 63.547242] full_proxy_write+0x56/0x80 ng+0x0/0x10 # [ 56.699926] Code: ff ff d9 a2 af b5 ff ff ff f[ 63.557728] vfs_write+0xea/0x390 f ca 05 4c b6 ff ff ff ff 8f 8a af b5 ff ff ff ff 55 aa 55 aa 00[ 63.567665] ksys_write+0x68/0xe0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0[ 63.577565] do_syscall_64+0x33/0x40 0 00 00 00 00 00 00 54 68 69 73 20 69 # [ 56.727124] RSP: 001[ 63.587796] entry_SYSCALL_64_after_hwframe+0x44/0xa9 8:ffffa1b4c23ffe48 EFLAGS: 00010246 # [ 56.732951] RAX: 00000[ 63.599646] RIP: 0033:0x7f8c2f76bf33 00000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 5[ 63.609856] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 6.740921] RDX: 0000000000000000 RSI: ffff8cd9bac9bf70 RDI: ffff8[ 63.637052] RSP: 002b:00007ffc554af9c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 cd9bac9bf70 # [ 56.748892] RBP: ffffffffb60d9f00 R08: 0000000[ 63.651740] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f8c2f76bf33 000000000 R09: 0000000000000000 # [ 56.756861] R10: 00000000f[ 63.665921] RDX: 000000000000001f RSI: 00007f8c2f65c000 RDI: 0000000000000001 [ 63.680096] RBP: 00007f8c2f65c000 R08: 00007f8c2f65b010 R09: 0000000000000000 fffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 56.76[ 63.688095] R10: 00007f8c2f8661c0 R11: 0000000000000246 R12: 0000000000000001 4830] R13: ffffa1b4c23fff10 R14: ffffa1b4c23fff10 R15: ffff8cd94[ 63.702270] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 38dc000 # [ 56.772801] FS: 00007fad9706a580(0000) GS:ffff8cd[ 63.716463] irq event stamp: 0 [ 63.726069] hardirqs last enabled at (0): [<0000000000000000>] 0x0 9bac80000(0000) knlGS:0000000000000000 # [ 56.781830] CS: 00[ 63.733082] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 10 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.788245] CR2[ 63.748444] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 : ffffffffb60d9f00 CR3: 0000000105cbc005 CR4: 00000000003706e0 [ 63.763779] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 63.776994] ---[ end trace 292ac93e2897705d ]--- # [ 56.796214] Call Trace: # [ 56.798942] ? execute_locati[ 63.782188] lkdtm: Overflow detected: saturated on+0x48/0x56 # [ 56.803417] ? direct_entry.cold+0x2c/0x38 # [ 56.814204] ? full_proxy_write+0x56/0x80 # [ 56.818680] ? vfs_write+0xea/0x390 # [ 56.822593] ? ksys_write+0x68/0xe0 # [ 56.826484] ? do_syscall_64+0x33/0x40 # [ 56.830662] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 56.836497] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 56.869140] CR2: ffffffffb60d9f00 # [ 56.872836] ---[ end trace 292ac93e28977052 ]--- # [ 56.877991] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 56.882360] Code: 5b a5 ff 48 c7 c0 ea ff ff [ 63.867126] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO [ 63.874354] lkdtm: attempting good refcount_dec() [ 63.879618] lkdtm: attempting bad refcount_dec() to zero ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc c[ 63.885560] ------------[ cut here ]------------ c cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 [ 63.896933] refcount_t: decrement hit 0; leaking memory. 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 # [ 56.903334] RSP: 00[ 63.909098] WARNING: CPU: 3 PID: 2180 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 18:ffffa1b4c147fe60 EFLAGS: 00010286 # [ 56.909168] RAX: ffff[ 63.924650] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 63.957311] CPU: 3 PID: 2180 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 63.965992] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 63.972803] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 [ 63.978574] Code: ff 48 c7 c7 30 bf 45 b6 c6 05 86 1d 76 01 01 e8 5d 1b 93 00 0f 0b c3 48 c7 c7 00 bf 45 b6 c6 05 71 1d 76 01 01 e8 47 1b 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 [ 63.999560] RSP: 0018:ffffa1b4c2a2fe48 EFLAGS: 00010286 [ 64.005427] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 ffffb54b1b30 RBX: 0000000000000001 RCX: 0000000000000000 # [ [ 64.013403] RDX: ffff8cd9badac660 RSI: ffff8cd9bad9bf70 RDI: ffff8cd9bad9bf70 [ 64.027591] RBP: ffffffffb64c0439 R08: 0000000000000000 R09: 0000000000000000 [ 64.035563] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 64.043536] R13: ffffa1b4c2a2ff10 R14: ffffa1b4c2a2ff10 R15: ffff8cd942865000 [ 64.051508] FS: 00007f3d8f5a2580(0000) GS:ffff8cd9bad80000(0000) knlGS:0000000000000000 [ 64.060547] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.066965] CR2: 00007f3d8f3bb000 CR3: 0000000105532005 CR4: 00000000003706e0 [ 64.074937] Call Trace: 56.917137] RDX: 0000000000000000 RSI: ffff8cd9bad1bf70 RDI: ffff[ 64.077670] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xb9 [ 64.088847] direct_entry.cold+0x2c/0x38 [ 64.093230] full_proxy_write+0x56/0x80 ffffb60d9a70 # [ 56.925106] RBP: ffffffffb651b5e8 R08: 000000[ 64.097538] vfs_write+0xea/0x390 [ 64.107452] ksys_write+0x68/0xe0 [ 64.111152] do_syscall_64+0x33/0x40 [ 64.115142] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 64.120785] RIP: 0033:0x7f3d8f4caf33 [ 64.124775] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 64.145763] RSP: 002b:00007ffd7ec2a3b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 64.154220] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f3d8f4caf33 [ 64.162190] RDX: 0000000000000012 RSI: 00007f3d8f3bb000 RDI: 0000000000000001 [ 64.170152] RBP: 00007f3d8f3bb000 R08: 00007f3d8f3ba010 R09: 0000000000000000 [ 64.178113] R10: 00007f3d8f5c51c0 R11: 0000000000000246 R12: 0000000000000001 [ 64.186084] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 64.194059] irq event stamp: 0 [ 64.197467] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 64.204470] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 64.213608] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 64.222747] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 64.229748] ---[ end trace 292ac93e2897705e ]--- [ 64.234902] lkdtm: Zero detected: saturated 0000000001 R09: 0000000000000001 # [ 56.933076] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 56.941044] R13: ffffa1b4c147ff10 R14: ffffa1b4c147ff10 R15: ffff8cd944cdf000 # [ 56.949014] FS: 00007fad9706a580(0000) GS:ffff8cd9bac80000(0000) knlGS:0000000000000000 # [ 56.958053] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.964470] CR2: ffffffffb60d9f00 CR3: 0000000105cbc005 CR4: 00000000003706e0 # [ 56.972441] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 56.982354] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1770, name: cat # [ 56.990811] INFO: lockdep is turned off. # [ 56.995187] irq event stamp: 0 # [ 56.998594] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 57.005585] hardirqs last d[ 64.314170] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE [ 64.327107] lkdtm: attempting bad refcount_dec() below zero isabled at (0): [] copy_process+0x63c/0x1c80 [ 64.333343] ------------[ cut here ]------------ # [ 57.014724] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 57.023860] softirqs last d[ 64.356876] WARNING: CPU: 2 PID: 2215 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 [ 64.372414] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify isabled at (0): [<0000000000000000>] 0x0 # [ 57.030862] CPU: [ 64.398872] CPU: 2 PID: 2215 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 64.413758] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 1 PID: 1770 Comm: cat Tainted: G D W 5.10.129-cip12[ 64.420576] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 [ 64.432519] Code: ff 48 c7 c7 30 bf 45 b6 c6 05 86 1d 76 01 01 e8 5d 1b 93 00 0f 0b c3 48 c7 c7 00 bf 45 b6 c6 05 71 1d 76 01 01 e8 47 1b 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 [ 64.453504] RSP: 0018:ffffa1b4c2abfe48 EFLAGS: 00010286 [ 64.459340] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 [ 64.467311] RDX: ffff8cd9bad2c660 RSI: ffff8cd9bad1bf70 RDI: ffff8cd9bad1bf70 [ 64.475274] RBP: ffffffffb64c044b R08: 0000000000000000 R09: 0000000000000000 [ 64.483246] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 64.491217] R13: ffffa1b4c2abff10 R14: ffffa1b4c2abff10 R15: ffff8cd94326c000 [ 64.499190] FS: 00007fbda75a9580(0000) GS:ffff8cd9bad00000(0000) knlGS:0000000000000000 [ 64.508231] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.514664] CR2: 00007fbda73c2000 CR3: 000000010091e005 CR4: 00000000003706e0 #1 # [ 57.039501] Hardware name: Google Rammus/Rammus, BIOS [ 64.522637] Call Trace: [ 64.531580] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x5d [ 64.536957] direct_entry.cold+0x2c/0x38 [ 64.541339] full_proxy_write+0x56/0x80 [ 64.545647] vfs_write+0xea/0x390 [ 64.549347] ksys_write+0x68/0xe0 [ 64.553049] do_syscall_64+0x33/0x40 [ 64.557040] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 64.562684] RIP: 0033:0x7fbda74d1f33 [ 64.566677] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 64.587666] RSP: 002b:00007ffd2c6e2658 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 64.596125] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fbda74d1f33 [ 64.604095] RDX: 0000000000000016 RSI: 00007fbda73c2000 RDI: 0000000000000001 [ 64.612057] RBP: 00007fbda73c2000 R08: 00007fbda73c1010 R09: 0000000000000000 09/04/2020 # [ 57.046306] Call Trace: # [ 57.049035] dum[ 64.620032] R10: 00007fbda75cc1c0 R11: 0000000000000246 R12: 0000000000000001 [ 64.634221] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 p_stack+0x77/0x97 # [ 57.052734] ___might_sleep.cold+0xa6/0x[ 64.642195] irq event stamp: 0 [ 64.651816] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 64.658844] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 64.668008] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 64.677146] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 64.684147] ---[ end trace 292ac93e2897705f ]--- [ 64.689305] lkdtm: Negative detected: saturated b6 # [ 57.063517] exit_signals+0x1c/0x2d0 # [ 57.067504] do_exit+0xd5/0xb00 # [ 57.071007] ? ksys_write+0x68/0xe0 # [ 57.074889] rewind_stack_do_exit+0x17/0x20 # [ 57.079548] RIP: 0033:0x7fad96f92f33 # [ 57.083537] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 57.104511] RSP: 002b:00007ffcaf0f8238 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 57.112967] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fad96f92f33 # [ 57.120938] RDX: 000000000000000c RSI: 00007fad96e83000 RDI: 0000000000000001 # [ 57.128908] RBP: 00007fad96e83000 R08: 00007fad96e82010 R09: 0000000000000000 # [ 57.136878] R10: 00007fad9708d1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 57.144850] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_RODATA: saw 'call trace:': ok ok 34 selftests: lkdtm: EXEC_RODATA.sh # selftests: lkdtm: EXEC_USERSPACE.sh # Killed # [ 57.241336] lkdtm: Performing direct entry EXEC_USERSPACE # [ 57.252077] lkdtm: attempting ok execution at ffffffffb54b1f00 # [ 57.258602] lkdtm: attempting bad execution at 00007fd3306fe000 # [ 57.265223] unable to execute userspace code (SMEP?) (uid: 0)[ 64.822761] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 57.271668] BUG: unable to handle page fault for address: [ 64.832487] lkdtm: attempting bad refcount_dec_and_test() below zero 00007fd3306fe000 # [ 57.279349] #PF: supervisor instruction f[ 64.845806] ------------[ cut here ]------------ [ 64.857176] refcount_t: underflow; use-after-free. etch in kernel mode # [ 57.285669] #PF: error_code(0x0011) - [ 64.862558] WARNING: CPU: 1 PID: 2250 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 permissions violation # [ 57.291891] PGD 8000000105c24067 P4D[ 64.878073] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 8000000105c24067 PUD 103272067 PMD 1031a7067 PTE 114c5f067 # [[ 64.910722] CPU: 1 PID: 2250 Comm: cat Tainted: G D W 5.10.129-cip12 #1 57.301614] Oops: 0011 [#10] SMP PTI # [ 57.311817] CPU: 3 [ 64.925593] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 PID: 1806 Comm: cat Tainted: G D W 5.10.129-cip12 #[ 64.938617] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 1 # [ 57.320469] Hardware name: Google Rammus/Rammus, BIOS 0[ 64.950570] Code: 05 cd 1d 76 01 01 e8 9f 1b 93 00 0f 0b c3 80 3d bb 1d 76 01 00 75 95 48 c7 c7 d8 be 45 b6 c6 05 ab 1d 76 01 01 e8 80 1b 93 00 <0f> 0b c3 80 3d 9a 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 30 bf 45 9/04/2020 # [ 57.327276] RIP: 0010:0x7fd3306fe000 # [ 57.3[ 64.977791] RSP: 0018:ffffa1b4c2b5fe40 EFLAGS: 00010286 31264] Code: Unable to access opcode bytes at RIP 0x7fd3306fdfd6[ 64.989823] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 . # [ 57.338554] RSP: 0018:ffffa1b4c24a7e50 EFLAGS: 00010246[ 65.004008] RDX: ffff8cd9bacac660 RSI: ffff8cd9bac9bf70 RDI: ffff8cd9bac9bf70 # [ 57.344388] RAX: 0000000000000033 RBX: 0000000000000024 RC[ 65.018194] RBP: ffffffffb64c00a0 R08: 0000000000000000 R09: 0000000000000000 X: 0000000000000000 # [ 57.352357] RDX: 0000000000000000 RSI:[ 65.032383] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f ffff8cd9bad9bf70 RDI: ffff8cd9bad9bf70 # [ 57.360326] RBP: 0[ 65.046570] R13: ffffa1b4c2b5ff10 R14: ffffa1b4c2b5ff10 R15: ffff8cd944c8e000 0007fd3306fe000 R08: 0000000000000000 R09: 0000000000000000 # [[ 65.060759] FS: 00007f72cbdcb580(0000) GS:ffff8cd9bac80000(0000) knlGS:0000000000000000 57.368297] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0[ 65.076015] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 00000000000000f # [ 57.376265] R13: ffffa1b4c24a7f10 R14: fff[ 65.088663] CR2: 00007f72cbbe4000 CR3: 0000000103176001 CR4: 00000000003706e0 fa1b4c24a7f10 R15: ffff8cd945442000 # [ 57.384236] FS: 00007[ 65.102850] Call Trace: fd3306cf580(0000) GS:ffff8cd9bad80000(0000) knlGS:00000000000000[ 65.111795] __refcount_sub_and_test.constprop.0+0x34/0x40 00 # [ 57.393274] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080[ 65.124134] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x74 050033 # [ 57.399688] CR2: 00007fd3306fe000 CR3: 00000001027c[ 65.136571] direct_entry.cold+0x2c/0x38 0005 CR4: 00000000003706e0 # [ 57.407669] Call Trace: # [ [ 65.147165] full_proxy_write+0x56/0x80 57.410397] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae # [ 57.4157[ 65.157667] vfs_write+0xea/0x390 46] ? direct_entry.cold+0x2c/0x38 # [ 57.420320] ? full_pro[ 65.167578] ksys_write+0x68/0xe0 xy_write+0x56/0x80 # [ 57.424794] ? vfs_write+0xea/0x390 # [ 65.177493] do_syscall_64+0x33/0x40 [ 57.428686] ? ksys_write+0x68/0xe0 # [ 57.432569] ? do_s[ 65.187737] entry_SYSCALL_64_after_hwframe+0x44/0xa9 yscall_64+0x33/0x40 # [ 57.436752] ? entry_SYSCALL_64_after_[ 65.199604] RIP: 0033:0x7f72cbcf3f33 hwframe+0x44/0xa9 # [ 57.442586] Modules linked in: fuse ip_t[ 65.209811] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 65.237012] RSP: 002b:00007ffebef53908 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ables cros_ec_sensors cros_ec_sensors_core industrialio_triggere[ 65.245471] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f72cbcf3f33 [ 65.259666] RDX: 000000000000001f RSI: 00007f72cbbe4000 RDI: 0000000000000001 d_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar c[ 65.267664] RBP: 00007f72cbbe4000 R08: 00007f72cbbe3010 R09: 0000000000000000 [ 65.281844] R10: 00007f72cbdee1c0 R11: 0000000000000246 R12: 0000000000000001 [ 65.289816] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_th[ 65.297790] irq event stamp: 0 [ 65.307412] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ermal cros_ec_dev cros_usbpd_notify # [ 57.469043] CR2: 00007[ 65.314417] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 65.329762] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 fd3306fe000 # [ 57.478954] ---[ end trace 292ac93e28977053 ]-[ 65.338928] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 65.352138] ---[ end trace 292ac93e28977060 ]--- [ 65.357295] lkdtm: Negative detected: saturated -- # [ 57.484110] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 57.488479] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 # [ 57.509461] RSP: 0018:ffffa1b4c147fe60 EFLAGS: 00010286 # [ 57.515294] RAX: ffffffffb54b1b30 RBX: 0000000000000001 RCX: 0000000000000000 # [ 57.523263] RDX: 0000000000000000 RSI: ffff8cd9bad1bf70 RDI: ffffffffb60d9a70 # [ 57.531232] RBP: ffffffffb651b5e8 R08: 0000000000000001 R09: 0000000000000001 # [ 57.539200] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 57.547169] R13: ffffa1b4c147ff10 R14: ffffa1b4c147ff10 R15: ffff8cd944cdf000 # [ 57.555139] FS: 00007fd3306cf580(0000) GS:ffff8cd9bad80000(0000) knlGS:0000000000000000 # [ 57.564175] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.570590] CR2: 00007fd3306fe000 CR3: 00000001027c0005 CR4: 00000000003706e0 # EXEC_USERSPACE: saw 'cal[ 65.457687] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE l trace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # self[ 65.469386] lkdtm: attempting bad refcount_sub_and_test() below zero tests: lkdtm: EXEC_NULL.sh # Killed # [ 57.683718] lkdtm: Pe[ 65.482704] ------------[ cut here ]------------ rforming direct entry EXEC_NULL # [ 57.689910] lkdtm: attempt[ 65.494072] refcount_t: underflow; use-after-free. ing ok execution at ffffffffb54b1f00 # [ 57.702640] lkdtm: at[ 65.505671] WARNING: CPU: 1 PID: 2285 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 tempting bad execution at 0000000000000000 # [ 57.715470] BUG[ 65.521214] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify : kernel NULL pointer dereference, address: 0000000000000000 # [ 65.553879] CPU: 1 PID: 2285 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 57.729459] #PF: supervisor instruction fetch in kernel mode[ 65.568727] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 57.735770] #PF: error_code(0x0010) - not-present page # [ 65.581750] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 [ 57.741506] PGD 0 P4D 0 # [ 57.744322] Oops: 0010 [#11] S[ 65.593722] Code: 05 cd 1d 76 01 01 e8 9f 1b 93 00 0f 0b c3 80 3d bb 1d 76 01 00 75 95 48 c7 c7 d8 be 45 b6 c6 05 ab 1d 76 01 01 e8 80 1b 93 00 <0f> 0b c3 80 3d 9a 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 30 bf 45 [ 65.620923] RSP: 0018:ffffa1b4c2bdfe40 EFLAGS: 00010286 MP PTI # [ 57.748311] CPU: 1 PID: 1842 Comm: cat Tainted: G [ 65.626759] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 [ 65.640944] RDX: ffff8cd9bacac660 RSI: ffff8cd9bac9bf70 RDI: ffff8cd9bac9bf70 D W 5.10.129-cip12 #1 # [ 57.756961] Hardware nam[ 65.648919] RBP: ffffffffb64c00c0 R08: 0000000000000000 R09: 0000000000000000 e: Google Rammus/Rammus, BIOS 09/04/2020 # [ 57.763767] RIP:[ 65.663105] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 65.677291] R13: ffffa1b4c2bdff10 R14: ffffa1b4c2bdff10 R15: ffff8cd943208000 0010:0x0 # [ 57.766702] Code: Unable to access opcode bytes [ 65.685265] FS: 00007fd3b745e580(0000) GS:ffff8cd9bac80000(0000) knlGS:0000000000000000 [ 65.700520] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 at RIP 0xffffffffffffffd6. # [ 57.774388] RSP: 0018:ffffa1b4c[ 65.706940] CR2: 00007fd3b7277000 CR3: 0000000105c64004 CR4: 00000000003706e0 [ 65.721124] Call Trace: 2547e48 EFLAGS: 00010246 # [ 57.786437] RAX: 0000000000000033[ 65.723858] __refcount_sub_and_test.constprop.0+0x34/0x40 RBX: 0000000000000000 RCX: 0000000000000000 # [ 57.794406] R[ 65.736195] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x77 [ 65.748652] direct_entry.cold+0x2c/0x38 DX: 0000000000000000 RSI: ffff8cd9bac9bf70 RDI: ffff8cd9bac9bf70[ 65.753039] full_proxy_write+0x56/0x80 [ 65.763540] vfs_write+0xea/0x390 [ 65.767250] ksys_write+0x68/0xe0 [ 65.770955] do_syscall_64+0x33/0x40 [ 65.774949] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 65.780594] RIP: 0033:0x7fd3b7386f33 [ 65.784586] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 65.805577] RSP: 002b:00007ffcb1015798 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 65.814037] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fd3b7386f33 # [ 57.802375] RBP: 0000000000000000 R08: 0000000000000000 R[ 65.822011] RDX: 000000000000001f RSI: 00007fd3b7277000 RDI: 0000000000000001 [ 65.836198] RBP: 00007fd3b7277000 R08: 00007fd3b7276010 R09: 0000000000000000 09: 0000000000000000 # [ 57.810344] R10: 00000000ffffe000 R11[ 65.844169] R10: 00007fd3b74811c0 R11: 0000000000000246 R12: 0000000000000001 [ 65.858352] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 : 3fffffffffffffff R12: 000000000000000a # [ 57.818314] R13: [ 65.866327] irq event stamp: 0 [ 65.875943] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ffffa1b4c2547f10 R14: ffffa1b4c2547f10 R15: ffff8cd945cc9000 # [ 65.882949] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 57.826284] FS: 00007fa45ef58580(0000) GS:ffff8cd9bac80000(0[ 65.898296] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 65.913664] softirqs last disabled at (0): [<0000000000000000>] 0x0 000) knlGS:0000000000000000 # [ 57.835323] CS: 0010 DS: 0000[ 65.920666] ---[ end trace 292ac93e28977061 ]--- [ 65.932032] lkdtm: Negative detected: saturated ES: 0000 CR0: 0000000080050033 # [ 57.841738] CR2: ffffffffffffffd6 CR3: 00000001027ec004 CR4: 00000000003706e0 # [ 57.849707] Call Trace: # [ 57.852437] execute_location+0x48/0x56 # [ 57.856720] direct_entry.cold+0x2c/0x38 # [ 57.867311] full_proxy_write+0x56/0x80 # [ 57.871594] vfs_write+0xea/0x390 # [ 57.881503] ksys_write+0x68/0xe0 # [ 57.885201] do_syscall_64+0x33/0x40 # [ 57.889183] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 57.894822] RIP: 0033:0x7fa45ee80f33 # [ 57.898810] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 57.919795] RSP: 002b:00007ffc1c43c458 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 57.928252] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fa45ee80f33 # [ 57.936222] RDX: 000000000000000a RSI: 00007fa45ed71000 RDI: 0000000000000001 # [ 57.944192] RBP: 00007fa45ed7100[ 66.031068] lkdtm: Performing direct entry REFCOUNT_INC_ZERO [ 66.042845] lkdtm: attempting safe refcount_inc_not_zero() from zero [ 66.049953] lkdtm: Good: zero detected [ 66.054143] lkdtm: Correctly stayed at zero [ 66.058813] lkdtm: attempting bad refcount_inc() from zero [ 66.064940] ------------[ cut here ]------------ 0 R08: 00007fa45ed70010 R09: 0000000000000000 # [ 57.952162] [ 66.070100] refcount_t: addition on 0; use-after-free. R10: 00007fa45ef7b1c0 R11: 0000000000000246 R12: 000000000000000[ 66.082069] WARNING: CPU: 3 PID: 2317 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 1 # [ 57.960132] R13: 0000000000000001 R14: 0000000000020000 [ 66.097610] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 66.130249] CPU: 3 PID: 2317 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 66.138902] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 66.145712] RIP: 0010:refcount_warn_saturate+0x68/0xf0 [ 66.151450] Code: 05 0a 1e 76 01 01 e8 dd 1b 93 00 0f 0b c3 80 3d fa 1d 76 01 00 75 d3 48 c7 c7 a8 be 45 b6 c6 05 ea 1d 76 01 01 e8 be 1b 93 00 <0f> 0b c3 80 3d dd 1d 76 01 00 75 b4 48 c7 c7 80 be 45 b6 c6 05 cd [ 66.172438] RSP: 0018:ffffa1b4c2c4fe48 EFLAGS: 00010286 [ 66.178275] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 [ 66.186247] RDX: ffff8cd9badac660 RSI: ffff8cd9bad9bf70 RDI: ffff8cd9bad9bf70 [ 66.194218] RBP: ffffffffb64c0461 R08: 0000000000000000 R09: 0000000000000000 [ 66.202191] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 66.210163] R13: ffffa1b4c2c4ff10 R14: ffffa1b4c2c4ff10 R15: ffff8cd94359f000 [ 66.218127] FS: 00007f0129d2b580(0000) GS:ffff8cd9bad80000(0000) knlGS:0000000000000000 [ 66.227167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.233585] CR2: 00007f0129b44000 CR3: 00000001035ea006 CR4: 00000000003706e0 [ 66.241556] Call Trace: [ 66.244289] lkdtm_REFCOUNT_INC_ZERO+0x99/0xbd [ 66.249250] direct_entry.cold+0x2c/0x38 [ 66.253650] full_proxy_write+0x56/0x80 R15: 0000000000020000 # [ 57.968105] Modules linked in: fuse [ 66.257941] vfs_write+0xea/0x390 [ 66.267849] ksys_write+0x68/0xe0 [ 66.271550] do_syscall_64+0x33/0x40 [ 66.275541] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 66.281182] RIP: 0033:0x7f0129c53f33 [ 66.285173] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 66.306160] RSP: 002b:00007ffe4e139638 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.314618] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f0129c53f33 [ 66.322591] RDX: 0000000000000012 RSI: 00007f0129b44000 RDI: 0000000000000001 [ 66.330563] RBP: 00007f0129b44000 R08: 00007f0129b43010 R09: 0000000000000000 [ 66.338535] R10: 00007f0129d4e1c0 R11: 0000000000000246 R12: 0000000000000001 [ 66.346497] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_trig[ 66.354465] irq event stamp: 0 gered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightb[ 66.364088] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 66.377309] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 66.386480] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 66.395616] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 66.402617] ---[ end trace 292ac93e28977062 ]--- [ 66.407773] lkdtm: Zero detected: saturated ar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 58.000749] CR2: 0000000000000000 # [ 58.004447] ---[ end trace 292ac93e28977054 ]--- # [ 58.009595] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 58.013971] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 # [ 58.034954] RSP: 0018:ffffa1b4c147fe60 EFLAGS: 00010286 # [ 58.040787] RAX: ffffffffb54b1b30 RBX: 0000000000000001 RCX: 0000000000000000 # [ 58.048758] RDX: 0000000000000000 RSI: ffff8cd9bad1bf70 RDI: ffffffffb60d9a70 # [ 58.056728] RBP: ffffffffb651b5e8 R08: 0000000000000001 R09: 0000000000000001 # [ 58.064713] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 58.072682] R13: ffffa1b4c147ff10 R14: ffffa1b4c147ff10 R15: ffff8cd944cdf000 # [ 58.0806[ 66.502275] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO [ 66.512103] lkdtm: attempting safe refcount_add_not_zero() from zero [ 66.519212] lkdtm: Good: zero detected [ 66.523409] lkdtm: Correctly stayed at zero [ 66.528086] lkdtm: attempting bad refcount_add() from zero [ 66.534215] ------------[ cut here ]------------ [ 66.539372] refcount_t: addition on 0; use-after-free. [ 66.545141] WARNING: CPU: 3 PID: 2349 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 72] FS: 00007fa45ef58580(0000) GS:ffff8cd9bac80000(0000) knlGS:[ 66.554478] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 66.587116] CPU: 3 PID: 2349 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 66.595800] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 66.602610] RIP: 0010:refcount_warn_saturate+0x68/0xf0 [ 66.608348] Code: 05 0a 1e 76 01 01 e8 dd 1b 93 00 0f 0b c3 80 3d fa 1d 76 01 00 75 d3 48 c7 c7 a8 be 45 b6 c6 05 ea 1d 76 01 01 e8 be 1b 93 00 <0f> 0b c3 80 3d dd 1d 76 01 00 75 b4 48 c7 c7 80 be 45 b6 c6 05 cd [ 66.629336] RSP: 0018:ffffa1b4c2cafe48 EFLAGS: 00010286 [ 66.635204] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 0000000000000000 # [ 58.089718] CS: 0010 DS: 0000 ES: 0000 C[ 66.643179] RDX: ffff8cd9badac660 RSI: ffff8cd9bad9bf70 RDI: ffff8cd9bad9bf70 R0: 0000000080050033 # [ 58.096134] CR2: ffffffffffffffd6 CR3[ 66.657371] RBP: ffffffffb64c0473 R08: 0000000000000000 R09: 0000000000000000 [ 66.671556] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 66.679520] R13: ffffa1b4c2caff10 R14: ffffa1b4c2caff10 R15: ffff8cd943ffa000 [ 66.687491] FS: 00007f5f60021580(0000) GS:ffff8cd9bad80000(0000) knlGS:0000000000000000 [ 66.696530] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.702944] CR2: 00007f5f5fe3a000 CR3: 00000001031e0006 CR4: 00000000003706e0 : 00000001027ec004 CR4: 00000000003706e0 # [ 58.104104] BUG: [ 66.710941] Call Trace: [ 66.719882] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xbd [ 66.724877] direct_entry.cold+0x2c/0x38 [ 66.729257] full_proxy_write+0x56/0x80 [ 66.733540] vfs_write+0xea/0x390 [ 66.737239] ksys_write+0x68/0xe0 [ 66.740939] do_syscall_64+0x33/0x40 [ 66.744931] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 66.750572] RIP: 0033:0x7f5f5ff49f33 [ 66.754562] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 66.775548] RSP: 002b:00007ffe9cb30688 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.784007] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f5f5ff49f33 [ 66.791977] RDX: 0000000000000012 RSI: 00007f5f5fe3a000 RDI: 0000000000000001 [ 66.799949] RBP: 00007f5f5fe3a000 R08: 00007f5f5fe39010 R09: 0000000000000000 [ 66.807922] R10: 00007f5f600441c0 R11: 0000000000000246 R12: 0000000000000001 [ 66.815893] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 66.823858] irq event stamp: 0 [ 66.827265] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 66.834267] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 66.843407] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 66.852544] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 66.859545] ---[ end trace 292ac93e28977063 ]--- [ 66.864713] lkdtm: Zero detected: saturated sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 58.114017] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1842, name: cat # [ 58.122472] INFO: lockdep is turned off. # [ 58.126848] irq event stamp: 0 # [ 58.130252] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 58.137252] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 58.146390] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 58.155525] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 58.162525] CPU: 1 PID: 1842 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 58.171175] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.177980] Call Trace: # [ 58.180715] dump_stack+0x77/0x97 # [ 58.184414] ___might_sleep.cold+0xa6/0xb6 # [ 58.195200] exit_signals+0x1c/0x2d0 # [ 58.199188] do_exit+0xd5/0xb00 # [ 66.961234] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED [ 58.202709] ? ksys_write+0x68/0xe0 # [ 58.206602] rewind[ 66.969465] lkdtm: attempting bad refcount_inc() from saturated _stack_do_exit+0x17/0x20 # [ 58.211271] RIP: 0033:0x7fa45ee80[ 66.982305] ------------[ cut here ]------------ f33 # [ 58.215250] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 [ 66.993673] refcount_t: saturated; leaking memory. c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 7[ 67.005303] WARNING: CPU: 0 PID: 2384 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 5 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 [ 67.020812] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 00 48 83 ec 28 48 89 54 24 18 # [ 58.236235] RSP: 002b:00007f[ 67.053466] CPU: 0 PID: 2384 Comm: cat Tainted: G D W 5.10.129-cip12 #1 fc1c43c458 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58[ 67.068324] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 .244704] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f[ 67.081377] RIP: 0010:refcount_warn_saturate+0x49/0xf0 a45ee80f33 # [ 58.252680] RDX: 000000000000000a RSI: 00007fa4[ 67.093304] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 1a 1e 76 01 00 75 f2 48 c7 c7 80 be 45 b6 c6 05 0a 1e 76 01 01 e8 dd 1b 93 00 <0f> 0b c3 80 3d fa 1d 76 01 00 75 d3 48 c7 c7 a8 be 45 b6 c6 05 ea 5ed71000 RDI: 0000000000000001 # [ 58.266864] RBP: 00007fa45e[ 67.120531] RSP: 0018:ffffa1b4c2d07e48 EFLAGS: 00010286 d71000 R08: 00007fa45ed70010 R09: 0000000000000000 # [ 58.274[ 67.132564] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 833] R10: 00007fa45ef7b1c0 R11: 0000000000000246 R12: 0000000000[ 67.146777] RDX: ffff8cd9bac2c660 RSI: ffff8cd9bac1bf70 RDI: ffff8cd9bac1bf70 000001 # [ 58.282801] R13: 0000000000000001 R14: 000000000002[ 67.160951] RBP: ffffffffb64c0485 R08: 0000000000000000 R09: 0000000000000000 0000 R15: 0000000000020000 # EXEC_NULL: saw 'call trace:': ok [ 67.175164] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 ok 36 selftests: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS[ 67.189343] R13: ffffa1b4c2d07f10 R14: ffffa1b4c2d07f10 R15: ffff8cd94544c000 _USERSPACE.sh # Killed # [ 58.380710] lkdtm: Performing dire[ 67.203552] FS: 00007fe5ba376580(0000) GS:ffff8cd9bac00000(0000) knlGS:0000000000000000 ct entry ACCESS_USERSPACE # [ 58.390261] lkdtm: attempting ba[ 67.218796] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 d read at 00007f6980ddf000 # [ 58.402617] BUG: unable to hand[ 67.231451] CR2: 00007fe5ba18f000 CR3: 000000010544e001 CR4: 00000000003706f0 le page fault for address: 00007f6980ddf000 # [ 58.416490] #P[ 67.245648] Call Trace: F: supervisor read access in kernel mode # [ 58.422227] #PF: [ 67.254602] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x60 error_code(0x0001) - permissions violation # [ 58.428449] PGD[ 67.266295] direct_entry.cold+0x2c/0x38 8000000104f85067 P4D 8000000104f85067 PUD 1027d0067 PMD 104cda0[ 67.276865] full_proxy_write+0x56/0x80 67 PTE 1142b9067 # [ 58.444390] Oops: 0001 [#12] SMP PTI # [[ 67.287371] vfs_write+0xea/0x390 58.448380] CPU: 1 PID: 1877 Comm: cat Tainted: G D W [ 67.297285] ksys_write+0x68/0xe0 5.10.129-cip12 #1 # [ 58.457033] Hardware name: Google R[ 67.307218] do_syscall_64+0x33/0x40 ammus/Rammus, BIOS 09/04/2020 # [ 58.463839] RIP: 0010:lkdtm[ 67.317415] entry_SYSCALL_64_after_hwframe+0x44/0xa9 _ACCESS_USERSPACE.cold+0x3d/0x9f # [ 58.470063] Code: 2b 04 2[ 67.329293] RIP: 0033:0x7fe5ba29ef33 5 28 00 00 00 75 60 48 83 c4 10 5d c3 48 89 ee 48 c7 c7 e8 12 4c[ 67.339485] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 b6 e8 73 9d fd ff 48 c7 c7 10 13 4c b6 b8 de c0 de c0 <48> 03 4[ 67.366720] RSP: 002b:00007fffb17755b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 5 00 48 89 04 24 e8 5a 9d fd ff 48 89 ee 48 c7 c7 38 13 4c # [ [ 67.381377] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fe5ba29ef33 58.497260] RSP: 0018:ffffa1b4c25afe48 EFLAGS: 00010246 # [ [ 67.395587] RDX: 0000000000000017 RSI: 00007fe5ba18f000 RDI: 0000000000000001 58.503093] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000[ 67.409762] RBP: 00007fe5ba18f000 R08: 00007fe5ba18e010 R09: 0000000000000000 000000000000 # [ 58.511060] RDX: 0000000000000000 RSI: ffff8c[ 67.423951] R10: 00007fe5ba3991c0 R11: 0000000000000246 R12: 0000000000000001 d9bac9bf70 RDI: ffffffffb64c1310 # [ 58.519030] RBP: 00007f69[ 67.438135] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 80ddf000 R08: 0000000000000000 R09: 0000000000000000 # [ 58.5[ 67.452342] irq event stamp: 0 26998] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000[ 67.461955] hardirqs last enabled at (0): [<0000000000000000>] 0x0 00000011 # [ 58.534967] R13: ffffa1b4c25aff10 R14: ffffa1b4c2[ 67.475193] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 5aff10 R15: ffff8cd9431a0000 # [ 58.542935] FS: 00007f6980db[ 67.490534] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 0580(0000) GS:ffff8cd9bac80000(0000) knlGS:0000000000000000 # [[ 67.505912] softirqs last disabled at (0): [<0000000000000000>] 0x0 58.551972] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033[ 67.519113] ---[ end trace 292ac93e28977064 ]--- # [ 58.558385] CR2: 00007f6980ddf000 CR3: 00000001027fc003 CR[ 67.530495] lkdtm: Saturation detected: still saturated 4: 00000000003706e0 # [ 58.566352] Call Trace: # [ 58.569080] direct_entry.cold+0x2c/0x38 # [ 58.573458] full_proxy_write+0x56/0x80 # [ 58.583947] vfs_write+0xea/0x390 # [ 58.587662] ksys_write+0x68/0xe0 # [ 58.591351] do_syscall_64+0x33/0x40 # [ 58.595340] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 58.600971] RIP: 0033:0x7f6980cd8f33 # [ 58.604959] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 58.625940] RSP: 002b:00007fff0d9276d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.634396] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f6980cd8f33 # [ 58.642366] RDX: 0000000000000011 RSI: 00007f6980bc9000 RDI: 0000000000000001 # [ 58.650334] RBP: 00007f6980bc9000 R08: 00007f6980bc8010 R09: 0000000000000000 # [ 58.658300] R10: 00007f6980dd31c0 R11: 0000000000000246 R12: 0000000000000001 # [ 58.66[ 67.639547] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED 6267] R13: 0000000000000001 R14: 0000000000020000 R15: 000000000[ 67.648832] lkdtm: attempting bad refcount_dec() from saturated 0020000 # [ 58.674237] Modules linked in: fuse ip_tables cros[ 67.661665] ------------[ cut here ]------------ [ 67.673034] refcount_t: decrement hit 0; leaking memory. _ec_sensors cros_ec_sensors_core industrialio_triggered_buffer k[ 67.678998] WARNING: CPU: 1 PID: 2419 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 fifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_cha[ 67.694507] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify rdev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros[ 67.727148] CPU: 1 PID: 2419 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 67.742013] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 67.748822] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 _ec_dev cros_usbpd_notify # [ 58.706876] CR2: 00007f6980ddf00[ 67.754561] Code: ff 48 c7 c7 30 bf 45 b6 c6 05 86 1d 76 01 01 e8 5d 1b 93 00 0f 0b c3 48 c7 c7 00 bf 45 b6 c6 05 71 1d 76 01 01 e8 47 1b 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 [ 67.781758] RSP: 0018:ffffa1b4c2db7e48 EFLAGS: 00010286 0 # [ 58.710573] ---[ end trace 292ac93e28977055 ]--- # [ [ 67.787597] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 [ 67.801779] RDX: ffff8cd9bacac660 RSI: ffff8cd9bac9bf70 RDI: ffff8cd9bac9bf70 58.715727] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 58.720103] Code: [ 67.809753] RBP: ffffffffb64c049c R08: 0000000000000000 R09: 0000000000000000 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c[ 67.823939] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0[ 67.838125] R13: ffffa1b4c2db7f10 R14: ffffa1b4c2db7f10 R15: ffff8cd943189000 f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 0[ 67.852315] FS: 00007fd5fb5af580(0000) GS:ffff8cd9bac80000(0000) knlGS:0000000000000000 2 # [ 58.741077] RSP: 0018:ffffa1b4c147fe60 EFLAGS: 00010286[ 67.867568] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.746910] RAX: ffffffffb54b1b30 RBX: 0000000000000001 RC[ 67.880200] CR2: 00007fd5fb3c8000 CR3: 0000000103f66006 CR4: 00000000003706e0 X: 0000000000000000 # [ 58.754877] RDX: 0000000000000000 RSI:[ 67.894392] Call Trace: ffff8cd9bad1bf70 RDI: ffffffffb60d9a70 # [ 58.762847] RBP: f[ 67.903338] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5b fffffffb651b5e8 R08: 0000000000000001 R09: 0000000000000001 # [[ 67.914994] direct_entry.cold+0x2c/0x38 58.770816] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0[ 67.925586] full_proxy_write+0x56/0x80 000000000000004 # [ 58.778784] R13: ffffa1b4c147ff10 R14: fff[ 67.936081] vfs_write+0xea/0x390 fa1b4c147ff10 R15: ffff8cd944cdf000 # [ 58.786753] FS: 00007[ 67.945993] ksys_write+0x68/0xe0 f6980db0580(0000) GS:ffff8cd9bac80000(0000) knlGS:00000000000000[ 67.955908] do_syscall_64+0x33/0x40 00 # [ 58.795790] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080[ 67.966114] entry_SYSCALL_64_after_hwframe+0x44/0xa9 050033 # [ 58.802204] CR2: 00007f6980ddf000 CR3: 00000001027f[ 67.977969] RIP: 0033:0x7fd5fb4d7f33 c003 CR4: 00000000003706e0 # ACCESS_USERSPACE: saw 'call trace:[ 67.988174] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 ': ok ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # selftests:[ 68.015372] RSP: 002b:00007ffe509fd628 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 lkdtm: ACCESS_NULL.sh # Killed # [ 58.915109] lkdtm: Perfor[ 68.030043] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fd5fb4d7f33 ming direct entry ACCESS_NULL # [ 58.921588] lkdtm: attemptin[ 68.044228] RDX: 0000000000000017 RSI: 00007fd5fb3c8000 RDI: 0000000000000001 g bad read at 0000000000000000 # [ 58.933973] BUG: kernel NUL[ 68.058414] RBP: 00007fd5fb3c8000 R08: 00007fd5fb3c7010 R09: 0000000000000000 L pointer dereference, address: 0000000000000000 # [ 58.94791[ 68.072598] R10: 00007fd5fb5d21c0 R11: 0000000000000246 R12: 0000000000000001 1] #PF: supervisor read access in kernel mode # [ 58.953638] [ 68.086783] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 #PF: error_code(0x0000) - not-present page # [ 58.959374] PGD[ 68.100971] irq event stamp: 0 0 P4D 0 # [ 58.962190] Oops: 0000 [#13] SMP PTI # [ 58.9[ 68.110590] hardirqs last enabled at (0): [<0000000000000000>] 0x0 66179] CPU: 0 PID: 1912 Comm: cat Tainted: G D W 5.[ 68.123810] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 10.129-cip12 #1 # [ 58.974830] Hardware name: Google Rammus/R[ 68.139165] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 ammus, BIOS 09/04/2020 # [ 58.981638] RIP: 0010:lkdtm_ACCESS[ 68.154517] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 68.167730] ---[ end trace 292ac93e28977065 ]--- _NULL+0x14/0x53 # [ 58.986894] Code: 17 9d fd ff be 00 10 00 [ 68.172885] lkdtm: Saturation detected: still saturated 00 48 89 ef e8 74 bb 3f ff e9 6d ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 e8 12 4c b6 e8 f1 9c fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 10 13 4c b6 48 01 # [ 59.007880] RSP: 0018:ffffa1b4c263fe58 EFLAGS: 00010246 # [ 59.013705] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 # [ 59.021676] RDX: 0000000000000000 RSI: ffff8cd9bac1bf70 RDI: ffff8cd9bac1bf70 # [ 59.029645] RBP: ffffffffb64c03d9 R08: 0000000000000000 R09: 0000000000000000 # [ 59.037614] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 59.045585] R13: ffffa1b4c263ff10 R14: ffffa1b4c263ff10 R15: ffff8cd94327c000 # [ 59.053556] FS: 00007f8a1b8e2580(0000) GS:ffff8cd9bac00000(0000) knlGS:0000000000000000 # [ 59.062586] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.069001] CR2: 0000000000000000 CR3: 0000000105c54004 CR4: 00000000003706f0 # [ 59.076974] Call Trace: # [ 59.079701] direct_entry.cold+0x2c/0x38 # [ 59.084086] full_proxy_write+0x56/0x80 #[ 68.278778] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED [ 68.291180] lkdtm: attempting bad refcount_dec() from saturated [ 68.297798] ------------[ cut here ]------------ [ 68.302959] refcount_t: saturated; leaking memory. [ 68.308321] WARNING: CPU: 2 PID: 2454 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 [ 59.088373] vfs_write+0xea/0x390 # [ 59.092072] ksys_wr[ 68.317662] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 68.350306] CPU: 2 PID: 2454 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 68.358982] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 68.365788] RIP: 0010:refcount_warn_saturate+0x49/0xf0 [ 68.371526] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 1a 1e 76 01 00 75 f2 48 c7 c7 80 be 45 b6 c6 05 0a 1e 76 01 01 e8 dd 1b 93 00 <0f> 0b c3 80 3d fa 1d 76 01 00 75 d3 48 c7 c7 a8 be 45 b6 c6 05 ea [ 68.392510] RSP: 0018:ffffa1b4c2e37e48 EFLAGS: 00010286 ite+0x68/0xe0 # [ 59.095771] do_syscall_64+0x33/0x40 # [ [ 68.398350] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 [ 68.412540] RDX: ffff8cd9bad2c660 RSI: ffff8cd9bad1bf70 RDI: ffff8cd9bad1bf70 [ 68.420545] RBP: ffffffffb64c04b3 R08: 0000000000000000 R09: 0000000000000000 [ 68.428517] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 68.436489] R13: ffffa1b4c2e37f10 R14: ffffa1b4c2e37f10 R15: ffff8cd94408a000 [ 68.444462] FS: 00007fadcc525580(0000) GS:ffff8cd9bad00000(0000) knlGS:0000000000000000 [ 68.453527] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 59.099760] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 59.1[ 68.459955] CR2: 00007fadcc33e000 CR3: 0000000103f50001 CR4: 00000000003706e0 [ 68.474133] Call Trace: [ 68.476864] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x60 [ 68.482344] direct_entry.cold+0x2c/0x38 [ 68.486725] full_proxy_write+0x56/0x80 [ 68.491009] vfs_write+0xea/0x390 [ 68.494711] ksys_write+0x68/0xe0 [ 68.498410] do_syscall_64+0x33/0x40 [ 68.502402] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 68.508046] RIP: 0033:0x7fadcc44df33 [ 68.512038] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 68.533023] RSP: 002b:00007ffcb125d678 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 68.541482] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fadcc44df33 [ 68.549455] RDX: 0000000000000017 RSI: 00007fadcc33e000 RDI: 0000000000000001 [ 68.557428] RBP: 00007fadcc33e000 R08: 00007fadcc33d010 R09: 0000000000000000 [ 68.565402] R10: 00007fadcc5481c0 R11: 0000000000000246 R12: 0000000000000001 [ 68.573372] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 68.581347] irq event stamp: 0 [ 68.584778] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 68.591783] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 68.600921] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 68.610060] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 68.617061] ---[ end trace 292ac93e28977066 ]--- [ 68.622215] lkdtm: Saturation detected: still saturated 05400] RIP: 0033:0x7f8a1b80af33 # [ 59.109389] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 59.130375] RSP: 002b:00007fffe408d088 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.138833] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f8a1b80af33 # [ 59.146802] RDX: 000000000000000c RSI: 00007f8a1b6fb000 RDI: 0000000000000001 # [ 59.154771] RBP: 00007f8a1b6fb000 R08: 00007f8a1b6fa010 R09: 0000000000000000 # [ 59.162741] R10: 00007f8a1b9051c0 R11: 0000000000000246 R12: 0000000000000001 # [ 59.170711] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 59.178681] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debu[ 68.717631] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED [ 68.729036] lkdtm: attempting bad refcount_inc_not_zero() from saturated [ 68.736526] ------------[ cut here ]------------ gfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbp[ 68.741688] refcount_t: saturated; leaking memory. d_notify # [ 59.205117] CR2: 0000000000000000 # [ 59.20881[ 68.753264] WARNING: CPU: 3 PID: 2486 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 [ 68.768800] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 3] ---[ end trace 292ac93e28977056 ]--- # [ 59.213969] RIP: 0[ 68.795263] CPU: 3 PID: 2486 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 68.810121] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 68.816953] RIP: 0010:refcount_warn_saturate+0x87/0xf0 [ 68.822713] Code: 05 ea 1d 76 01 01 e8 be 1b 93 00 0f 0b c3 80 3d dd 1d 76 01 00 75 b4 48 c7 c7 80 be 45 b6 c6 05 cd 1d 76 01 01 e8 9f 1b 93 00 <0f> 0b c3 80 3d bb 1d 76 01 00 75 95 48 c7 c7 d8 be 45 b6 c6 05 ab [ 68.843712] RSP: 0018:ffffa1b4c2eb7e38 EFLAGS: 00010282 [ 68.849550] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 010:lkdtm_BUG+0x5/0x10 # [ 59.218346] Code: 5b a5 ff 48 c7 c0[ 68.857523] RDX: ffff8cd9badac660 RSI: ffff8cd9bad9bf70 RDI: ffff8cd9bad9bf70 [ 68.871712] RBP: ffffffffb64c00e0 R08: 0000000000000000 R09: 0000000000000000 [ 68.879697] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 68.887711] R13: ffffa1b4c2eb7f10 R14: ffffa1b4c2eb7f10 R15: ffff8cd9435ff000 [ 68.895683] FS: 00007fce4e02e580(0000) GS:ffff8cd9bad80000(0000) knlGS:0000000000000000 [ 68.904723] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.911131] CR2: 00007fce4de47000 CR3: 000000010547a003 CR4: 00000000003706e0 [ 68.919097] Call Trace: ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff [ 68.921830] __refcount_add_not_zero.constprop.0+0x2a/0x31 [ 68.934169] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x72 [ 68.940491] direct_entry.cold+0x2c/0x38 [ 68.944871] full_proxy_write+0x56/0x80 [ 68.949154] vfs_write+0xea/0x390 [ 68.952855] ksys_write+0x68/0xe0 [ 68.956554] do_syscall_64+0x33/0x40 [ 68.960545] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 68.966188] RIP: 0033:0x7fce4df56f33 [ 68.970177] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 68.991166] RSP: 002b:00007ffc0b2ae468 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 68.999626] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fce4df56f33 [ 69.007596] RDX: 0000000000000020 RSI: 00007fce4de47000 RDI: 0000000000000001 [ 69.015560] RBP: 00007fce4de47000 R08: 00007fce4de46010 R09: 0000000000000000 [ 69.023531] R10: 00007fce4e0511c0 R11: 0000000000000246 R12: 0000000000000001 [ 69.031495] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84[ 69.039468] irq event stamp: 0 [ 69.049084] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 69.056087] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 69.065227] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 69.074364] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 69.081364] ---[ end trace 292ac93e28977067 ]--- [ 69.086512] lkdtm: Saturation detected: still saturated 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 # [ 59.239331] RSP: 0018:ffffa1b4c147fe60 EFLAGS: 00010286 # [ 59.245158] RAX: ffffffffb54b1b30 RBX: 0000000000000001 RCX: 0000000000000000 # [ 59.253128] RDX: 0000000000000000 RSI: ffff8cd9bad1bf70 RDI: ffffffffb60d9a70 # [ 59.261098] RBP: ffffffffb651b5e8 R08: 0000000000000001 R09: 0000000000000001 # [ 59.269068] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 59.277039] R13: ffffa1b4c147ff10 R14: ffffa1b4c147ff10 R15: ffff8cd944cdf000 # [ 59.285008] FS: 00007f8a1b8e2580(0000) GS:ffff8cd9bac00000(0000) knlGS:0000000000000000 # [ 59.294047] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.300463] CR2: 0000000000000000 CR3: 0000000105c54004 CR4: 00000000003706f0 # [ 59.308433] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 59.318346] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1912, name: cat # [ 59.326801] INFO: lockdep is turned off. # [ [ 69.187307] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED 59.331176] irq event stamp: 0 # [ 59.334582] hardirqs last [ 69.199520] lkdtm: attempting bad refcount_add_not_zero() from saturated enabled at (0): [<0000000000000000>] 0x0 # [ 59.341583] hardi[ 69.213230] ------------[ cut here ]------------ rqs last disabled at (0): [] copy_process+0x63[ 69.224619] refcount_t: saturated; leaking memory. c/0x1c80 # [ 59.350719] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 59.359854] softi[ 69.251755] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify rqs last disabled at (0): [<0000000000000000>] 0x0 # [ 59.366[ 69.284391] CPU: 0 PID: 2518 Comm: cat Tainted: G D W 5.10.129-cip12 #1 854] CPU: 0 PID: 1912 Comm: cat Tainted: G D W 5.10[ 69.299255] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 .129-cip12 #1 # [ 59.375503] Hardware name: Google Rammus/Ram[ 69.312275] RIP: 0010:refcount_warn_saturate+0x87/0xf0 mus, BIOS 09/04/2020 # [ 59.382308] Call Trace: # [ 59.38[ 69.324210] Code: 05 ea 1d 76 01 01 e8 be 1b 93 00 0f 0b c3 80 3d dd 1d 76 01 00 75 b4 48 c7 c7 80 be 45 b6 c6 05 cd 1d 76 01 01 e8 9f 1b 93 00 <0f> 0b c3 80 3d bb 1d 76 01 00 75 95 48 c7 c7 d8 be 45 b6 c6 05 ab 5035] dump_stack+0x77/0x97 # [ 59.388739] ___might_sleep.co[ 69.351440] RSP: 0018:ffffa1b4c2f47e38 EFLAGS: 00010282 ld+0xa6/0xb6 # [ 59.393304] exit_signals+0x1c/0x2d0 # [ 5[ 69.363465] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 9.397292] do_exit+0xd5/0xb00 # [ 59.400795] ? ksys_write+0x[ 69.377722] RDX: ffff8cd9bac2c660 RSI: ffff8cd9bac1bf70 RDI: ffff8cd9bac1bf70 68/0xe0 # [ 59.404687] rewind_stack_do_exit+0x17/0x20 # [ [ 69.391908] RBP: ffffffffb64c0100 R08: 0000000000000000 R09: 0000000000000000 59.409347] RIP: 0033:0x7f8a1b80af33 # [ 59.413328] Code: 8b [ 69.406064] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 0[ 69.420252] R13: ffffa1b4c2f47f10 R14: ffffa1b4c2f47f10 R15: ffff8cd9456d2000 0 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> [ 69.434444] FS: 00007fbaca230580(0000) GS:ffff8cd9bac00000(0000) knlGS:0000000000000000 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 69.449715] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.434303] RSP: 002b:00007fffe408d088 EFLAGS: 00000246 ORI[ 69.462337] CR2: 00007fbaca049000 CR3: 0000000103882001 CR4: 00000000003706f0 G_RAX: 0000000000000001 # [ 59.442759] RAX: ffffffffffffffda [ 69.476545] Call Trace: RBX: 000000000000000c RCX: 00007f8a1b80af33 # [ 59.450729] RD[ 69.485495] __refcount_add_not_zero.constprop.0+0x2a/0x31 X: 000000000000000c RSI: 00007f8a1b6fb000 RDI: 0000000000000001[ 69.497824] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x72 # [ 59.458700] RBP: 00007f8a1b6fb000 R08: 00007f8a1b6fa010 R0[ 69.510378] direct_entry.cold+0x2c/0x38 9: 0000000000000000 # [ 59.466670] R10: 00007f8a1b9051c0 R11:[ 69.520973] full_proxy_write+0x56/0x80 0000000000000246 R12: 0000000000000001 # [ 59.474639] R13: 0[ 69.531450] vfs_write+0xea/0x390 000000000000001 R14: 0000000000020000 R15: 0000000000020000 # A[ 69.541374] ksys_write+0x68/0xe0 CCESS_NULL: saw 'call trace:': ok ok 38 selftests: lkdtm: ACCES[ 69.551309] do_syscall_64+0x33/0x40 S_NULL.sh # selftests: lkdtm: WRITE_RO.sh # Killed # [ 59.5[ 69.561480] entry_SYSCALL_64_after_hwframe+0x44/0xa9 69731] lkdtm: Performing direct entry WRITE_RO # [ 59.581295][ 69.573335] RIP: 0033:0x7fbaca158f33 lkdtm: attempting bad rodata write at ffffffffb60d9ef0 # [ 5[ 69.583534] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 9.588210] BUG: unable to handle page fault for address: ffffffff[ 69.610743] RSP: 002b:00007ffcfae5ebe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 b60d9ef0 # [ 59.595894] #PF: supervisor write access in kerne[ 69.625431] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fbaca158f33 l mode # [ 59.601728] #PF: error_code(0x0003) - permissions v[ 69.639628] RDX: 0000000000000020 RSI: 00007fbaca049000 RDI: 0000000000000001 iolation # [ 59.607951] PGD 138229067 P4D 138229067 PUD 13822[ 69.653801] RBP: 00007fbaca049000 R08: 00007fbaca048010 R09: 0000000000000000 a063 PMD 8000000137c000e1 # [ 59.615731] Oops: 0003 [#14] SM[ 69.668033] R10: 00007fbaca2531c0 R11: 0000000000000246 R12: 0000000000000001 P PTI # [ 59.625935] CPU: 3 PID: 1947 Comm: cat Tainted: G [ 69.682241] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 D W 5.10.129-cip12 #1 # [ 59.634585] Hardware name[ 69.696435] irq event stamp: 0 : Google Rammus/Rammus, BIOS 09/04/2020 # [ 59.641394] RIP: [ 69.706085] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 59.646352] Code: 00 48 c7 c[ 69.719289] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 7 c8 11 4c b6 48 c7 c6 f0 9e 0d b6 e8 93 9f fd ff 48 8b 05 16 11[ 69.734684] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 5e 00 ba 34 12 cd ab 48 c7 c7 f8 11 4c b6 48 31 d0 <48> 89 05 0[ 69.750022] softirqs last disabled at (0): [<0000000000000000>] 0x0 0 11 5e 00 e9 71 9f fd ff 0f 1f 44 00 00 48 8b 05 27 35 # [ 5[ 69.763276] ---[ end trace 292ac93e28977068 ]--- 9.673550] RSP: 0018:ffffa1b4c267fe60 EFLAGS: 00010202 # [ 59.[ 69.774669] lkdtm: Saturation detected: still saturated 679382] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 # [ 59.687350] RDX: 00000000abcd1234 RSI: ffff8cd9bad9bf70 RDI: ffffffffb64c11f8 # [ 59.695318] RBP: ffffffffb64c03e5 R08: 0000000000000000 R09: 0000000000000000 # [ 59.703287] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 # [ 59.711254] R13: ffffa1b4c267ff10 R14: ffffa1b4c267ff10 R15: ffff8cd94408a000 # [ 59.719224] FS: 00007f8f4c184580(0000) GS:ffff8cd9bad80000(0000) knlGS:0000000000000000 # [ 59.728261] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.734677] CR2: ffffffffb60d9ef0 CR3: 00000001055de006 CR4: 00000000003706e0 # [ 59.742659] Call Trace: # [ 59.745388] direct_entry.cold+0x2c/0x38 # [ 59.749769] full_proxy_write+0x56/0x80 # [ 59.754049] vfs_write+0xea/0x390 # [ 59.757748] ksys_write+0x68/0xe0 # [ 59.761437] do_syscall_64+0x33/0x40 # [ 59.765418] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 59.771056] RIP: 0033:0x7f8f4c0acf33 # [ 59.775044] [ 69.883221] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED [ 69.893839] lkdtm: attempting bad refcount_dec_and_test() from saturated [ 69.901333] ------------[ cut here ]------------ Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b[ 69.906499] 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[ 69.918075] WARNING: CPU: 3 PID: 2553 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 5[ 69.933612] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 69.966258] CPU: 3 PID: 2553 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 69.974935] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 69.981755] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 4 24 18 # [ 59.796027] RSP: 002b:00007ffeea6e3168 EFLAGS: 000[ 69.987504] Code: 05 cd 1d 76 01 01 e8 9f 1b 93 00 0f 0b c3 80 3d bb 1d 76 01 00 75 95 48 c7 c7 d8 be 45 b6 c6 05 ab 1d 76 01 01 e8 80 1b 93 00 <0f> 0b c3 80 3d 9a 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 30 bf 45 [ 70.014712] RSP: 0018:ffffa1b4c2fb7e40 EFLAGS: 00010286 [ 70.020548] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 [ 70.028518] RDX: ffff8cd9badac660 RSI: ffff8cd9bad9bf70 RDI: ffff8cd9bad9bf70 [ 70.036481] RBP: ffffffffb64c0120 R08: 0000000000000000 R09: 0000000000000000 [ 70.044452] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 70.052423] R13: ffffa1b4c2fb7f10 R14: ffffa1b4c2fb7f10 R15: ffff8cd944c12000 [ 70.060394] FS: 00007f7878bbb580(0000) GS:ffff8cd9bad80000(0000) knlGS:0000000000000000 [ 70.069433] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.075851] CR2: 00007f78789d4000 CR3: 000000010094c004 CR4: 00000000003706e0 [ 70.083822] Call Trace: [ 70.086551] __refcount_sub_and_test.constprop.0+0x34/0x40 [ 70.092681] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x72 [ 70.099022] direct_entry.cold+0x2c/0x38 [ 70.103400] full_proxy_write+0x56/0x80 [ 70.107683] vfs_write+0xea/0x390 [ 70.111381] ksys_write+0x68/0xe0 [ 70.115081] do_syscall_64+0x33/0x40 [ 70.119072] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 70.124722] RIP: 0033:0x7f7878ae3f33 [ 70.128723] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 70.149711] RSP: 002b:00007fff28cfa698 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 70.158169] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f7878ae3f33 [ 70.166141] RDX: 0000000000000020 RSI: 00007f78789d4000 RDI: 0000000000000001 [ 70.174111] RBP: 00007f78789d4000 R08: 00007f78789d3010 R09: 0000000000000000 [ 70.182082] R10: 00007f7878bde1c0 R11: 0000000000000246 R12: 0000000000000001 [ 70.190053] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00246 ORIG_RAX: 0000000000000001 # [ 59.804482] RAX: ffffffff[ 70.198020] irq event stamp: 0 [ 70.207644] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ffffffda RBX: 0000000000000009 RCX: 00007f8f4c0acf33 # [ 59.8[ 70.214646] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 70.229996] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 70.239133] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 70.246133] ---[ end trace 292ac93e28977069 ]--- [ 70.251287] lkdtm: Saturation detected: still saturated 12449] RDX: 0000000000000009 RSI: 00007f8f4bf9d000 RDI: 0000000000000001 # [ 59.820417] RBP: 00007f8f4bf9d000 R08: 00007f8f4bf9c010 R09: 0000000000000000 # [ 59.828385] R10: 00007f8f4c1a71c0 R11: 0000000000000246 R12: 0000000000000001 # [ 59.836353] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 59.844325] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 59.870769] CR2: ffffffffb60d9ef0 # [ 59.880680] ---[ end trace 292ac93e28977057 ]--- # [ 59.885835] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 59.890203] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 [ 70.344210] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 59.911179] RSP: 0018:ffffa1b4c147fe60 EFLAGS: 00010286 # [ 70.358064] lkdtm: attempting bad refcount_sub_and_test() from saturated [ 59.917011] RAX: ffffffffb54b1b30 RBX: 0000000000000001 RCX: [ 70.371800] ------------[ cut here ]------------ 0000000000000000 # [ 59.924978] RDX: 0000000000000000 RSI: ff[ 70.383164] refcount_t: underflow; use-after-free. ff8cd9bad1bf70 RDI: ffffffffb60d9a70 # [ 59.932947] RBP: ffff[ 70.394757] WARNING: CPU: 0 PID: 2588 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 ffffb651b5e8 R08: 0000000000000001 R09: 0000000000000001 # [ [ 70.410330] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 59.940916] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000[ 70.442960] CPU: 0 PID: 2588 Comm: cat Tainted: G D W 5.10.129-cip12 #1 000000000004 # [ 59.948883] R13: ffffa1b4c147ff10 R14: ffffa1[ 70.457850] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 b4c147ff10 R15: ffff8cd944cdf000 # [ 59.956853] FS: 00007f8f[ 70.470869] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 4c184580(0000) GS:ffff8cd9bad80000(0000) knlGS:0000000000000000[ 70.482831] Code: 05 cd 1d 76 01 01 e8 9f 1b 93 00 0f 0b c3 80 3d bb 1d 76 01 00 75 95 48 c7 c7 d8 be 45 b6 c6 05 ab 1d 76 01 01 e8 80 1b 93 00 <0f> 0b c3 80 3d 9a 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 30 bf 45 # [ 59.965891] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050[ 70.510014] RSP: 0018:ffffa1b4c304fe40 EFLAGS: 00010286 033 # [ 59.972307] CR2: ffffffffb60d9ef0 CR3: 00000001055de00[ 70.522084] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 6 CR4: 00000000003706e0 # WRITE_RO: saw 'call trace:': ok ok 3[ 70.536297] RDX: ffff8cd9bac2c660 RSI: ffff8cd9bac1bf70 RDI: ffff8cd9bac1bf70 9 selftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AF[ 70.550464] RBP: ffffffffb64c0140 R08: 0000000000000000 R09: 0000000000000000 TER_INIT.sh # Killed # [ 60.069059] lkdtm: Performing direct[ 70.564759] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 entry WRITE_RO_AFTER_INIT # [ 60.080056] lkdtm: attempting b[ 70.578896] R13: ffffa1b4c304ff10 R14: ffffa1b4c304ff10 R15: ffff8cd945428000 ad ro_after_init write at ffffffffb653c328 # [ 60.093878] BUG[ 70.593086] FS: 00007f64575f6580(0000) GS:ffff8cd9bac00000(0000) knlGS:0000000000000000 : unable to handle page fault for address: ffffffffb653c328 # [[ 70.608312] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 60.107751] #PF: supervisor write access in kernel mode # [ [ 70.620976] CR2: 00007f645740f000 CR3: 000000010270e002 CR4: 00000000003706f0 60.113579] #PF: error_code(0x0003) - permissions violation # [[ 70.635145] Call Trace: 60.119802] PGD 138229067 P4D 138229067 PUD 13822a063 PMD 1000[ 70.644114] __refcount_sub_and_test.constprop.0+0x34/0x40 52063 PTE 800000013813c061 # [ 60.128844] Oops: 0003 [#15] SM[ 70.656451] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x72 P PTI # [ 60.139047] CPU: 1 PID: 1982 Comm: cat Tainted: G [ 70.668991] direct_entry.cold+0x2c/0x38 D W 5.10.129-cip12 #1 # [ 60.147708] Hardware name[ 70.679577] full_proxy_write+0x56/0x80 : Google Rammus/Rammus, BIOS 09/04/2020 # [ 60.154516] RIP: [ 70.690086] vfs_write+0xea/0x390 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 60.160544] Code:[ 70.700022] ksys_write+0x68/0xe0 12 4c b6 e9 45 9f fd ff 48 c7 c7 50 12 4c b6 e8 39 9f fd ff 48 [ 70.709920] do_syscall_64+0x33/0x40 8b 05 f4 34 a4 00 ba 34 12 cd ab 48 c7 c7 f8 11 4c b6 48 31 d0 <[ 70.720155] entry_SYSCALL_64_after_hwframe+0x44/0xa9 48> 89 05 de 34 a4 00 e9 17 9f fd ff 0f 1f 44 00 00 41 54 48 c7 [ 70.732020] RIP: 0033:0x7f645751ef33 c7 # [ 60.187737] RSP: 0018:ffffa1b4c273fe60 EFLAGS: 00010202[ 70.742186] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 60.193569] RAX: 00000000fe67479e RBX: 0000000000000029 R[ 70.769394] RSP: 002b:00007ffe20629458 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 CX: 0000000000000000 # [ 60.201537] RDX: 00000000abcd1234 RSI[ 70.784060] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f645751ef33 : ffff8cd9bac9bf70 RDI: ffffffffb64c11f8 # [ 60.209506] RBP: [ 70.798239] RDX: 0000000000000020 RSI: 00007f645740f000 RDI: 0000000000000001 ffffffffb64c03ee R08: 0000000000000000 R09: 0000000000000000 # [ 70.812426] RBP: 00007f645740f000 R08: 00007f645740e010 R09: 0000000000000000 [ 60.217473] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: [ 70.826640] R10: 00007f64576191c0 R11: 0000000000000246 R12: 0000000000000001 0000000000000014 # [ 60.225442] R13: ffffa1b4c273ff10 R14: ff[ 70.840813] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ffa1b4c273ff10 R15: ffff8cd9435b9000 # [ 60.233412] FS: 0000[ 70.855061] irq event stamp: 0 7f1979f03580(0000) GS:ffff8cd9bac80000(0000) knlGS:0000000000000[ 70.864669] hardirqs last enabled at (0): [<0000000000000000>] 0x0 000 # [ 60.242448] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008[ 70.877884] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 0050033 # [ 60.248863] CR2: ffffffffb653c328 CR3: 00000001034[ 70.893237] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 16005 CR4: 00000000003706e0 # [ 60.256831] Call Trace: # [ [ 70.908581] softirqs last disabled at (0): [<0000000000000000>] 0x0 60.259557] direct_entry.cold+0x2c/0x38 # [ 60.263935] full[ 70.921801] ---[ end trace 292ac93e2897706a ]--- _proxy_write+0x56/0x80 # [ 60.268219] vfs_write+0xea/0x390 [ 70.933159] lkdtm: Saturation detected: still saturated # [ 60.278127] ksys_write+0x68/0xe0 # [ 60.281824] do_syscall_64+0x33/0x40 # [ 60.285813] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 60.291452] RIP: 0033:0x7f1979e2bf33 # [ 60.295439] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 60.316413] RSP: 002b:00007ffe2410dd78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.324870] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f1979e2bf33 # [ 60.332839] RDX: 0000000000000014 RSI: 00007f1979d1c000 RDI: 0000000000000001 # [ 60.340807] RBP: 00007f1979d1c000 R08: 00007f1979d1b010 R09: 0000000000000000 # [ 60.348773] R10: 00007f1979f261c0 R11: 0000000000000246 R12: 0000000000000001 # [ 60.356743] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 60.364719] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 60.397356] CR2: ffffffffb653c328 # [ 60.401051] ---[ end trace 292ac93e28977058 ]--- # [ 60.406205] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 60.410582] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 # [ 60.431557] RSP: 0018:ffffa1b4c147fe60 EFLAGS: 00010286 # [ 60.437389] RAX: ffffffffb54b1b30 RBX: 0000000000000001 RCX: 0000000000000000 # [ 60.445358] RDX: 0000000000000000 RSI: ffff8cd9bad1bf70 RDI: ffffffffb60d9a70 # [ 60.453325] RBP: ffffffffb651b5e8 R08: 0000000000000001 R09: 0000000000000001 # [ 60.461292] R10: 00000000ffffe000 R11: 3ffffffffffffff[ 71.131027] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO f R12: 0000000000000004 # [ 60.469261] R13: ffffa1b4c147ff10 [ 71.138517] lkdtm: attempting good copy_to_user of correct size R14: ffffa1b4c147ff10 R15: ffff8cd944cdf000 # [ 60.477229] FS[ 71.151347] lkdtm: attempting bad copy_to_user of too large size : 00007f1979f03580(0000) GS:ffff8cd9bac80000(0000) knlGS:0000000000000000 # [ 60.486264] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.492676] CR2: ffffffffb653c328 CR3: 0000000103416005 CR4: 00000000003706e0 # [ 60.500660] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 60.510570] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1982, name: cat # [ 60.519024] INFO: lockdep is turned off. # [ 60.523398] irq event stamp: 0 # [ 60.526804] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 60.533796] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 60.542921] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 60.552052] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 60.559050] CPU: 1 PID: 1982 Comm: cat Tainted[ 71.247575] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM : G D W 5.10.129-cip12 #1 # [ 60.567708] Hardwar[ 71.258178] lkdtm: attempting good copy_from_user of correct size e name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 60.574512][ 71.271227] lkdtm: attempting bad copy_from_user of too large size Call Trace: # [ 60.577238] dump_stack+0x77/0x97 # [ 60.580936] ___might_sleep.cold+0xa6/0xb6 # [ 60.591721] exit_signals+0x1c/0x2d0 # [ 60.595709] do_exit+0xd5/0xb00 # [ 60.599212] ? ksys_write+0x68/0xe0 # [ 60.603104] rewind_stack_do_exit+0x17/0x20 # [ 60.607773] RIP: 0033:0x7f1979e2bf33 # [ 60.611759] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 60.632741] RSP: 002b:00007ffe2410dd78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.641195] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f1979e2bf33 # [ 60.649163] RDX: 0000000000000014 RSI: 00007f1979d1c000 RDI: 0000000000000001 # [ 60.657133] RBP: 00007f1979d1c000 R08: 00007f1979d1b010 R09: 0000000000000000 # [ 60.665101] R10: 00007f1979f261c0 R11: 0000000000000246 R12: 0000000000000001 # [ 60.673069] 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 # [ 60.761623] lkdtm: Performing direct entry WRITE_KERN # [ 60.767485] lkdtm: attempting bad 6581844 byte write at ffffffffb5af8d54 # [ 60.781195] BUG[ 71.409783] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO [ 71.422090] lkdtm: attempting good copy_to_user inside whitelist [ 71.428816] lkdtm: attempting bad copy_to_user outside whitelist : unable to handle page fault for address: ffffffffb5af8d54 # [ 60.795074] #PF: supervisor write access in kernel mode # [ 60.800908] #PF: error_code(0x0003) - permissions violation # [ 60.807131] PGD 138229067 P4D 138229067 PUD 13822a063 PMD 1376000e1 # [ 60.814235] Oops: 0003 [#16] SMP PTI # [ 60.818224] CPU: 0 PID: 2017 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 60.826866] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 60.833676] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 60.838826] Code: 53 48 c7 c3 54 8d af b5 49 89 dc 48 89 da 49 81 ec 00 1f 4b b5 4c 89 e6 e8 ec 9e fd ff 48 89 df 4c 89 e1 48 c7 c6 00 1f 4b b5 a4 48 c7 c7 f8 11 4c b6 e8 d1 9e fd ff 5b 41 5c e9 b7 fe ff ff # [ 60.859801] RSP: 0018:ffffa1b4c27a7e50 EFLAGS: 00010246 # [ 60.865635] RAX: 000000000000003c RBX: ffffffffb5af8d54 RCX: 0000000000646e54 # [ 60.873604] RDX: 0000000000000000 RSI: ffffffffb54b1f00 RDI: ffffffffb5af8d54 # [ 60.881573] RBP: ffffffffb64c0402 R08: 0000000000000000 R09: 0000000000000000 # [ 60.889544] R10: 00000000f[ 71.540115] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM [ 71.548589] lkdtm: attempting good copy_from_user inside whitelist [ 71.555509] lkdtm: attempting bad copy_from_user outside whitelist fffe000 R11: 3fffffffffffffff R12: 0000000000646e54 # [ 60.897515] R13: ffffa1b4c27a7f10 R14: ffffa1b4c27a7f10 R15: ffff8cd9427c0000 # [ 60.905487] FS: 00007fa011635580(0000) GS:ffff8cd9bac00000(0000) knlGS:0000000000000000 # [ 60.914525] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.920942] CR2: ffffffffb5af8d54 CR3: 0000000103164002 CR4: 00000000003706f0 # [ 60.928912] Call Trace: # [ 60.931642] direct_entry.cold+0x2c/0x38 # [ 60.936027] full_proxy_write+0x56/0x80 # [ 60.940315] vfs_write+0xea/0x390 # [ 60.944012] ksys_write+0x68/0xe0 # [ 60.947710] do_syscall_64+0x33/0x40 # [ 60.951691] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 60.957333] RIP: 0033:0x7fa01155df33 # [ 60.961321] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 60.982309] RSP: 002b:00007ffc0a19efb8 EFLAGS: 00000246 ORIG_RAX: 00[ 71.659404] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO 00000000000001 # [ 60.990765] RAX: ffffffffffffffda RBX: 0000[ 71.668806] lkdtm: good_stack: ffffa1b4c33efe20-ffffa1b4c33efe40 00000000000b RCX: 00007fa01155df33 # [ 60.998736] RDX: 000000[ 71.681740] lkdtm: bad_stack : ffffa1b4c33efda8-ffffa1b4c33efdc8 000000000b RSI: 00007fa01144e000 RDI: 0000000000000001 # [ 61[ 71.694680] lkdtm: attempting good copy_to_user of local stack .006706] RBP: 00007fa01144e000 R08: 00007fa01144d010 R09: 000000[ 71.707437] lkdtm: attempting bad copy_to_user of distant stack 0000000000 # [ 61.014677] R10: 00007fa0116581c0 R11: 0000000000000246 R12: 0000000000000001 # [ 61.022646] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 61.030618] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 61.057059] CR2: ffffffffb5af8d54 # [ 61.060757] ---[ end trace 292ac93e28977059 ]--- # [ 61.065912] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 61.070289] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 # [ 61.091262] RSP: 0018:ffffa1b4c147fe60 EFLAGS: 00010286 # [ 61.097096] RAX: ffffffffb54b1b30 RBX: 0000000000000001 RCX: 0000000000000000 # [ 61.105065] RDX: 0000000000000000 RSI: ffff8cd9bad1bf70 RDI[ 71.816545] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM [ 71.826778] lkdtm: good_stack: ffffa1b4c3477e20-ffffa1b4c3477e40 : ffffffffb60d9a70 # [ 61.113034] RBP: ffffffffb651b5e8 R08: [ 71.833496] lkdtm: bad_stack : ffffa1b4c3477da8-ffffa1b4c3477dc8 [ 71.846446] lkdtm: attempting good copy_from_user of local stack 0000000000000001 R09: 0000000000000001 # [ 61.121002] R10: 00[ 71.853168] lkdtm: attempting bad copy_from_user of distant stack 000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 61.128972] R13: ffffa1b4c147ff10 R14: ffffa1b4c147ff10 R15: ffff8cd944cdf000 # [ 61.136942] FS: 00007fa011635580(0000) GS:ffff8cd9bac00000(0000) knlGS:0000000000000000 # [ 61.145980] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.152397] CR2: ffffffffb5af8d54 CR3: 0000000103164002 CR4: 00000000003706f0 # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # [ 61.298311] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 61.310121] lkdtm: attempting good refcount_inc() without overflow # [ 61.323273] lkdtm: attempting bad refcount_inc() overflow # [ 61.335513] ------------[ cut here ]------------ # [ 61.346848] refcount_t: saturated; leaking memory. # [ 61.352235] WARNING: CPU: 0 PID: 2052 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 61.367781] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cr[ 71.971188] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND os_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub[ 71.978827] lkdtm: good_stack: ffffa1b4c351fe20-ffffa1b4c351fe40 x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 61.40[ 71.991753] lkdtm: bad_stack : ffffa1b4c351fff8-ffffa1b4c3520018 0447] CPU: 0 PID: 2052 Comm: cat Tainted: G D W 5.1[ 72.004694] lkdtm: attempting good copy_to_user of local stack 0.129-cip12 #1 # [ 61.415318] Hardware name: Google Rammus/Ra[ 72.017457] lkdtm: attempting bad copy_to_user of distant stack mmus, BIOS 09/04/2020 # [ 61.428343] RIP: 0010:refcount_warn[ 72.030276] lkdtm: copy_to_user failed, but lacked Oops _saturate+0x49/0xf0 # [ 61.440261] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 1a 1e 76 01 00 75 f2 48 c7 c7 80 be 45 b6 c6 05 0a 1e 76 01 01 e8 dd 1b 93 00 <0f> 0b c3 80 3d fa 1d 76 01 00 75 d3 48 c7 c7 a8 be 45 b6 c6 05 ea # [ 61.467500] RSP: 0018:ffffa1b4c282fe48 EFLAGS: 00010286 # [ 61.479539] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 # [ 61.493753] RDX: ffff8cd9bac2c660 RSI: ffff8cd9bac1bf70 RDI: ffff8cd9bac1bf70 # [ 61.507969] RBP: ffffffffb64c040d R08: 0000000000000000 R09: 0000000000000000 # [ 61.522137] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 61.536353] R13: ffffa1b4c282ff10 R14: ffffa1b4c282ff10 R15: ffff8cd94305a000 # [ 61.550529] FS: 00007f692dde7580(0000) GS:ffff8cd9bac00000(0000) knlGS:0000000000000000 # [ 61.565806] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.578[ 72.126998] lkdtm: Performing direct entry USERCOPY_KERNEL 423] CR2: 00007f692dc00000 CR3: 0000000103186004 CR4: 0000000000[ 72.135439] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffb60d9f10 3706f0 # [ 61.592623] Call Trace: # [ 61.601562] lkdtm_RE[ 72.150326] lkdtm: attempting bad copy_to_user from kernel text: ffffffffb4ed1460 FCOUNT_INC_OVERFLOW+0x70/0x94 # [ 61.613138] direct_entry.co[ 72.164882] lkdtm: FAIL: survived bad copy_to_user() ld+0x2c/0x38 # [ 61.623726] full_proxy_write+0x56/0x80 # [ 61.634230] vfs_write+0xea/0x390 # [ 61.644149] ksys_write+0x68/0xe0 # [ 61.654072] do_syscall_64+0x33/0x40 # [ 61.664276] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 61.676148] RIP: 0033:0x7f692dd0ff33 # [ 61.686351] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 61.713564] RSP: 002b:00007ffebf2bf728 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 61.728234] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f692dd0ff33 # [ 61.742427] RDX: 0000000000000016 RSI: 00007f692dc00000 RDI: 0000000000000001 # [ 61.756615] RBP: 00007f692dc00000 R08: 00007f692dbff010 R09: 0000000000000000 # [ 61.770825] R10: 00007f692de0a1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 61.785000] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 61.799221] irq event stamp: 0 # [ 61.808828] hardirqs last enable[ 72.281315] lkdtm: Performing direct entry STACKLEAK_ERASING d at (0): [<0000000000000000>] 0x0 # [ 61.822059] hardirqs la[ 72.288643] lkdtm: checking unused part of the thread stack (15928 bytes)... st disabled at (0): [] copy_process+0x63c/0x1c[ 72.302743] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) 80 # [ 61.837410] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 61.852775] softirqs la[ 72.329667] CPU: 1 PID: 2953 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 72.344528] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 72.351322] Call Trace: st disabled at (0): [<0000000000000000>] 0x0 # [ 61.865987] -[ 72.354053] dump_stack+0x77/0x97 [ 72.363965] lkdtm_STACKLEAK_ERASING+0x116/0x140 [ 72.369122] direct_entry.cold+0x2c/0x38 [ 72.373501] full_proxy_write+0x56/0x80 --[ end trace 292ac93e2897705a ]--- # [ 61.877372] lkdtm: Ove[ 72.377783] vfs_write+0xea/0x390 [ 72.387708] ksys_write+0x68/0xe0 [ 72.391406] do_syscall_64+0x33/0x40 [ 72.395395] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 72.401035] RIP: 0033:0x7faccf243f33 [ 72.405023] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 72.426006] RSP: 002b:00007fff31d69ca8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 72.434461] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007faccf243f33 [ 72.442431] RDX: 0000000000000012 RSI: 00007faccf134000 RDI: 0000000000000001 [ 72.450401] RBP: 00007faccf134000 R08: 00007faccf133010 R09: 0000000000000000 [ 72.458369] R10: 00007faccf33e1c0 R11: 0000000000000246 R12: 0000000000000001 [ 72.466339] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 rflow detected: saturated # REFCOUNT_INC_OVERFLOW: saw 'call trace:': ok ok 42 selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # [ 61.995769] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 62.007217] lkdtm: attempting good refcount_add() without overflow # [ 62.020342] lkdtm: attempting bad refcount_add() overflow # [ 62.032582] ------------[ cut here ]------------ # [ 62.037739] refcount_t: saturated; leaking memory. # [ 62.049333] WARNING: CPU: 1 PID: 2084 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 62.064850] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 62.097492] CPU: 1 PID: 2084 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 62.106170] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 62.119186] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 62.124952] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 1a 1e 76 01 00 75 f2 48 c7 c7 80 be 45 b6 c6 05 0a 1e 76 0[ 72.589324] lkdtm: Performing direct entry CFI_FORWARD_PROTO 1 01 e8 dd 1b 93 00 <0f> 0b c3 80 3d fa 1d 76 01 00 75 d3 48 c7 [ 72.598721] lkdtm: Calling matched prototype ... c7 a8 be 45 b6 c6 05 ea # [ 62.152145] RSP: 0018:ffffa1b4c28c[ 72.610097] lkdtm: Calling mismatched prototype ... [ 72.621755] lkdtm: Fail: survived mismatched prototype function call! fe48 EFLAGS: 00010286 # [ 62.164196] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 62.172172] RDX: ffff8cd9bacac660 RSI: ffff8cd9bac9bf70 RDI: ffff8cd9bac9bf70 # [ 62.186357] RBP: ffffffffb64c0423 R08: 0000000000000000 R09: 0000000000000000 # [ 62.200547] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 62.214736] R13: ffffa1b4c28cff10 R14: ffffa1b4c28cff10 R15: ffff8cd94125f000 # [ 62.228923] FS: 00007f841344c580(0000) GS:ffff8cd9bac80000(0000) knlGS:0000000000000000 # [ 62.237965] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.250615] CR2: 00007f8413265000 CR3: 0000000103576005 CR4: 00000000003706e0 # [ 62.264787] Call Trace: # [ 62.273734] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa3 # [ 62.285297] direct_entry.cold+0x2c/0x38 # [ 62.295893] full_proxy_write+0x56/0x80 # [ 62.306393] vfs_write+0xea/0x390 # [ 62.316308] ksys_write+0x68/0xe0 # [ 62.320012] do_syscall_64+0x33/0x40 # [ 62.330213] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 62.335855] RIP: 0033:0x7f8413374f33 # [ 62.346054] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 62.367044] RSP: 002b:00007ffdb0fbf268 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.381711] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f8413374f33 # [ 62.389697] RDX: 0000000000000016 RSI: 00007f8413265000 RDI: 0000000000000001 # [ 62.397711] RBP: 00007f8413265000 R08: 00007f8413264010 R09: 0000000000000000 # [ 62.411895] R10: 00007f841346f1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 62.419868] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 62.427844] irq event stamp: 0 # [ 62.437460] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 62.444466] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 62.459812] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 62.468954] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 62.482170] ---[ end trace 292ac93e2897705b ]--- # [ 62.493545] 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 # [ 62.579450] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 62.593204] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 62.606325] ------------[ cut here ]------------ # [ 62.617712] refcount_t: saturated; leaking memory. # [ 62.623095] WARNING: CPU: 1 PID: 2116 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 # [ 62.638608] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 62.671251] CPU: 1 PID: 2116 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 62.679929] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 62.692949] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 62.704902] Code: 05 ea 1d 76 01 01 e8 be 1b 93 00 0f 0b c3 80 3d dd 1d 76 01 00 75 b4 48 c7 c7 80 be 45 b6 c6 05 cd 1d 76 01 01 e8 9f 1b 93 00 <0f> 0b c3 80 3d bb 1d 76 01 00 75 95 48 c7 c7 d8 be 45 b6 c6 05 ab # [ 62.732097] RSP: 0018:ffffa1b4c2967e38 EFLAGS: 00010282 # [ 62.732100] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 62.732101] RDX: ffff8cd9bacac660 RSI: ffff8cd9bac9bf70 RDI: ffff8cd9bac9bf70 # [ 62.732101] RBP: ffffffffb64c0060 R08: 0000000000000000 R09: 0000000000000000 # [ 62.732102] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 62.732105] R13: ffffa1b4c2967f10 R14: ffffa1b4c2967f10 R15: ffff8cd94287b000 # [ 62.793029] FS: 00007f03929ef580(0000) GS:ffff8cd9bac80000(0000) knlGS:0000000000000000 # [ 62.802071] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.814700] CR2: 00007f0392808000 CR3: 00000001040f2006 CR4: 00000000003706e0 # [ 62.828887] Call Trace: # [ 62.837835] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 62.850176] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x72 # [ 62.862614] direct_entry.cold+0x2c/0x38 # [ 62.867007] full_proxy_write+0x56/0x80 # [ 62.877493] vfs_write+0xea/0x390 # [ 62.887407] ksys_write+0x68/0xe0 # [ 62.897325] do_syscall_64+0x33/0x40 # [ 62.907532] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 62.919387] RIP: 0033:0x7f0392917f33 # [ 62.929594] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 62.956793] RSP: 002b:00007ffcfc7593b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.971467] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f0392917f33 # [ 62.979441] RDX: 000000000000001f RSI: 00007f0392808000 RDI: 0000000000000001 # [ 62.993622] RBP: 00007f0392808000 R08: 00007f0392807010 R09: 0000000000000000 # [ 63.001595] R10: 00007f0392a121c0 R11: 0000000000000246 R12: 0000000000000001 # [ 63.015775] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 63.023752] irq event stamp: 0 # [ 63.033365] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 63.040369] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 63.055713] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 63.071064] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 63.078067] ---[ end trace 292ac93e2897705c ]--- # [ 63.089432] 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 # [ 63.218152] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 63.226412] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 63.239563] ------------[ cut here ]------------ # [ 63.250929] refcount_t: saturated; leaking memory. # [ 63.262522] WARNING: CPU: 0 PID: 2148 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 # [ 63.278031] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 63.310693] CPU: 0 PID: 2148 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 63.325573] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 63.338599] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 63.350538] Code: 05 ea 1d 76 01 01 e8 be 1b 93 00 0f 0b c3 80 3d dd 1d 76 01 00 75 b4 48 c7 c7 80 be 45 b6 c6 05 cd 1d 76 01 01 e8 9f 1b 93 00 <0f> 0b c3 80 3d bb 1d 76 01 00 75 95 48 c7 c7 d8 be 45 b6 c6 05 ab # [ 63.377775] RSP: 0018:ffffa1b4c29cfe38 EFLAGS: 00010282 # [ 63.389868] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 63.404026] RDX: ffff8cd9bac2c660 RSI: ffff8cd9bac1bf70 RDI: ffff8cd9bac1bf70 # [ 63.418244] RBP: ffffffffb64c0080 R08: 0000000000000000 R09: 0000000000000000 # [ 63.432417] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 63.446628] R13: ffffa1b4c29cff10 R14: ffffa1b4c29cff10 R15: ffff8cd9448d1000 # [ 63.460797] FS: 00007f8c2f843580(0000) GS:ffff8cd9bac00000(0000) knlGS:0000000000000000 # [ 63.476074] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.488697] CR2: 00007f8c2f65c000 CR3: 00000001035f2006 CR4: 00000000003706f0 # [ 63.502910] Call Trace: # [ 63.511846] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 63.524196] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x72 # [ 63.536628] direct_entry.cold+0x2c/0x38 # [ 63.547242] full_proxy_write+0x56/0x80 # [ 63.557728] vfs_write+0xea/0x390 # [ 63.567665] ksys_write+0x68/0xe0 # [ 63.577565] do_syscall_64+0x33/0x40 # [ 63.587796] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 63.599646] RIP: 0033:0x7f8c2f76bf33 # [ 63.609856] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 63.637052] RSP: 002b:00007ffc554af9c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.651740] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f8c2f76bf33 # [ 63.665921] RDX: 000000000000001f RSI: 00007f8c2f65c000 RDI: 0000000000000001 # [ 63.680096] RBP: 00007f8c2f65c000 R08: 00007f8c2f65b010 R09: 0000000000000000 # [ 63.688095] R10: 00007f8c2f8661c0 R11: 0000000000000246 R12: 0000000000000001 # [ 63.702270] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 63.716463] irq event stamp: 0 # [ 63.726069] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 63.733082] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 63.748444] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 63.763779] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 63.776994] ---[ end trace 292ac93e2897705d ]--- # [ 63.782188] 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 # [ 63.867126] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 63.874354] lkdtm: attempting good refcount_dec() # [ 63.879618] lkdtm: attempting bad refcount_dec() to zero # [ 63.885560] ------------[ cut here ]------------ # [ 63.896933] refcount_t: decrement hit 0; leaking memory. # [ 63.909098] WARNING: CPU: 3 PID: 2180 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 # [ 63.924650] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 63.957311] CPU: 3 PID: 2180 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 63.965992] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 63.972803] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 # [ 63.978574] Code: ff 48 c7 c7 30 bf 45 b6 c6 05 86 1d 76 01 01 e8 5d 1b 93 00 0f 0b c3 48 c7 c7 00 bf 45 b6 c6 05 71 1d 76 01 01 e8 47 1b 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 # [ 63.999560] RSP: 0018:ffffa1b4c2a2fe48 EFLAGS: 00010286 # [ 64.005427] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 64.013403] RDX: ffff8cd9badac660 RSI: ffff8cd9bad9bf70 RDI: ffff8cd9bad9bf70 # [ 64.027591] RBP: ffffffffb64c0439 R08: 0000000000000000 R09: 0000000000000000 # [ 64.035563] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 64.043536] R13: ffffa1b4c2a2ff10 R14: ffffa1b4c2a2ff10 R15: ffff8cd942865000 # [ 64.051508] FS: 00007f3d8f5a2580(0000) GS:ffff8cd9bad80000(0000) knlGS:0000000000000000 # [ 64.060547] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.066965] CR2: 00007f3d8f3bb000 CR3: 0000000105532005 CR4: 00000000003706e0 # [ 64.074937] Call Trace: # [ 64.077670] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xb9 # [ 64.088847] direct_entry.cold+0x2c/0x38 # [ 64.093230] full_proxy_write+0x56/0x80 # [ 64.097538] vfs_write+0xea/0x390 # [ 64.107452] ksys_write+0x68/0xe0 # [ 64.111152] do_syscall_64+0x33/0x40 # [ 64.115142] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 64.120785] RIP: 0033:0x7f3d8f4caf33 # [ 64.124775] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 64.145763] RSP: 002b:00007ffd7ec2a3b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 64.154220] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f3d8f4caf33 # [ 64.162190] RDX: 0000000000000012 RSI: 00007f3d8f3bb000 RDI: 0000000000000001 # [ 64.170152] RBP: 00007f3d8f3bb000 R08: 00007f3d8f3ba010 R09: 0000000000000000 # [ 64.178113] R10: 00007f3d8f5c51c0 R11: 0000000000000246 R12: 0000000000000001 # [ 64.186084] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 64.194059] irq event stamp: 0 # [ 64.197467] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.204470] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 64.213608] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 64.222747] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.229748] ---[ end trace 292ac93e2897705e ]--- # [ 64.234902] 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 # [ 64.314170] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 64.327107] lkdtm: attempting bad refcount_dec() below zero # [ 64.333343] ------------[ cut here ]------------ # [ 64.344712] refcount_t: decrement hit 0; leaking memory. # [ 64.356876] WARNING: CPU: 2 PID: 2215 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 # [ 64.372414] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 64.398872] CPU: 2 PID: 2215 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 64.413758] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 64.420576] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 # [ 64.432519] Code: ff 48 c7 c7 30 bf 45 b6 c6 05 86 1d 76 01 01 e8 5d 1b 93 00 0f 0b c3 48 c7 c7 00 bf 45 b6 c6 05 71 1d 76 01 01 e8 47 1b 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 # [ 64.453504] RSP: 0018:ffffa1b4c2abfe48 EFLAGS: 00010286 # [ 64.459340] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 64.467311] RDX: ffff8cd9bad2c660 RSI: ffff8cd9bad1bf70 RDI: ffff8cd9bad1bf70 # [ 64.475274] RBP: ffffffffb64c044b R08: 0000000000000000 R09: 0000000000000000 # [ 64.483246] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 64.491217] R13: ffffa1b4c2abff10 R14: ffffa1b4c2abff10 R15: ffff8cd94326c000 # [ 64.499190] FS: 00007fbda75a9580(0000) GS:ffff8cd9bad00000(0000) knlGS:0000000000000000 # [ 64.508231] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.514664] CR2: 00007fbda73c2000 CR3: 000000010091e005 CR4: 00000000003706e0 # [ 64.522637] Call Trace: # [ 64.531580] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x5d # [ 64.536957] direct_entry.cold+0x2c/0x38 # [ 64.541339] full_proxy_write+0x56/0x80 # [ 64.545647] vfs_write+0xea/0x390 # [ 64.549347] ksys_write+0x68/0xe0 # [ 64.553049] do_syscall_64+0x33/0x40 # [ 64.557040] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 64.562684] RIP: 0033:0x7fbda74d1f33 # [ 64.566677] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 64.587666] RSP: 002b:00007ffd2c6e2658 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 64.596125] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fbda74d1f33 # [ 64.604095] RDX: 0000000000000016 RSI: 00007fbda73c2000 RDI: 0000000000000001 # [ 64.612057] RBP: 00007fbda73c2000 R08: 00007fbda73c1010 R09: 0000000000000000 # [ 64.620032] R10: 00007fbda75cc1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 64.634221] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 64.642195] irq event stamp: 0 # [ 64.651816] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.658844] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 64.668008] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 64.677146] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.684147] ---[ end trace 292ac93e2897705f ]--- # [ 64.689305] 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 # [ 64.822761] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 64.832487] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 64.845806] ------------[ cut here ]------------ # [ 64.857176] refcount_t: underflow; use-after-free. # [ 64.862558] WARNING: CPU: 1 PID: 2250 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 64.878073] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 64.910722] CPU: 1 PID: 2250 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 64.925593] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 64.938617] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 64.950570] Code: 05 cd 1d 76 01 01 e8 9f 1b 93 00 0f 0b c3 80 3d bb 1d 76 01 00 75 95 48 c7 c7 d8 be 45 b6 c6 05 ab 1d 76 01 01 e8 80 1b 93 00 <0f> 0b c3 80 3d 9a 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 30 bf 45 # [ 64.977791] RSP: 0018:ffffa1b4c2b5fe40 EFLAGS: 00010286 # [ 64.989823] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 65.004008] RDX: ffff8cd9bacac660 RSI: ffff8cd9bac9bf70 RDI: ffff8cd9bac9bf70 # [ 65.018194] RBP: ffffffffb64c00a0 R08: 0000000000000000 R09: 0000000000000000 # [ 65.032383] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 65.046570] R13: ffffa1b4c2b5ff10 R14: ffffa1b4c2b5ff10 R15: ffff8cd944c8e000 # [ 65.060759] FS: 00007f72cbdcb580(0000) GS:ffff8cd9bac80000(0000) knlGS:0000000000000000 # [ 65.076015] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.088663] CR2: 00007f72cbbe4000 CR3: 0000000103176001 CR4: 00000000003706e0 # [ 65.102850] Call Trace: # [ 65.111795] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 65.124134] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x74 # [ 65.136571] direct_entry.cold+0x2c/0x38 # [ 65.147165] full_proxy_write+0x56/0x80 # [ 65.157667] vfs_write+0xea/0x390 # [ 65.167578] ksys_write+0x68/0xe0 # [ 65.177493] do_syscall_64+0x33/0x40 # [ 65.187737] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 65.199604] RIP: 0033:0x7f72cbcf3f33 # [ 65.209811] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 65.237012] RSP: 002b:00007ffebef53908 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.245471] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f72cbcf3f33 # [ 65.259666] RDX: 000000000000001f RSI: 00007f72cbbe4000 RDI: 0000000000000001 # [ 65.267664] RBP: 00007f72cbbe4000 R08: 00007f72cbbe3010 R09: 0000000000000000 # [ 65.281844] R10: 00007f72cbdee1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 65.289816] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.297790] irq event stamp: 0 # [ 65.307412] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.314417] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 65.329762] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 65.338928] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.352138] ---[ end trace 292ac93e28977060 ]--- # [ 65.357295] 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 # [ 65.457687] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 65.469386] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 65.482704] ------------[ cut here ]------------ # [ 65.494072] refcount_t: underflow; use-after-free. # [ 65.505671] WARNING: CPU: 1 PID: 2285 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 65.521214] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 65.553879] CPU: 1 PID: 2285 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 65.568727] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 65.581750] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 65.593722] Code: 05 cd 1d 76 01 01 e8 9f 1b 93 00 0f 0b c3 80 3d bb 1d 76 01 00 75 95 48 c7 c7 d8 be 45 b6 c6 05 ab 1d 76 01 01 e8 80 1b 93 00 <0f> 0b c3 80 3d 9a 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 30 bf 45 # [ 65.620923] RSP: 0018:ffffa1b4c2bdfe40 EFLAGS: 00010286 # [ 65.626759] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 65.640944] RDX: ffff8cd9bacac660 RSI: ffff8cd9bac9bf70 RDI: ffff8cd9bac9bf70 # [ 65.648919] RBP: ffffffffb64c00c0 R08: 0000000000000000 R09: 0000000000000000 # [ 65.663105] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 65.677291] R13: ffffa1b4c2bdff10 R14: ffffa1b4c2bdff10 R15: ffff8cd943208000 # [ 65.685265] FS: 00007fd3b745e580(0000) GS:ffff8cd9bac80000(0000) knlGS:0000000000000000 # [ 65.700520] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.706940] CR2: 00007fd3b7277000 CR3: 0000000105c64004 CR4: 00000000003706e0 # [ 65.721124] Call Trace: # [ 65.723858] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 65.736195] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x77 # [ 65.748652] direct_entry.cold+0x2c/0x38 # [ 65.753039] full_proxy_write+0x56/0x80 # [ 65.763540] vfs_write+0xea/0x390 # [ 65.767250] ksys_write+0x68/0xe0 # [ 65.770955] do_syscall_64+0x33/0x40 # [ 65.774949] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 65.780594] RIP: 0033:0x7fd3b7386f33 # [ 65.784586] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 65.805577] RSP: 002b:00007ffcb1015798 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.814037] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fd3b7386f33 # [ 65.822011] RDX: 000000000000001f RSI: 00007fd3b7277000 RDI: 0000000000000001 # [ 65.836198] RBP: 00007fd3b7277000 R08: 00007fd3b7276010 R09: 0000000000000000 # [ 65.844169] R10: 00007fd3b74811c0 R11: 0000000000000246 R12: 0000000000000001 # [ 65.858352] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.866327] irq event stamp: 0 # [ 65.875943] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.882949] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 65.898296] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 65.913664] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.920666] ---[ end trace 292ac93e28977061 ]--- # [ 65.932032] 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 # [ 66.031068] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 66.042845] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 66.049953] lkdtm: Good: zero detected # [ 66.054143] lkdtm: Correctly stayed at zero # [ 66.058813] lkdtm: attempting bad refcount_inc() from zero # [ 66.064940] ------------[ cut here ]------------ # [ 66.070100] refcount_t: addition on 0; use-after-free. # [ 66.082069] WARNING: CPU: 3 PID: 2317 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 # [ 66.097610] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.130249] CPU: 3 PID: 2317 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 66.138902] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 66.145712] RIP: 0010:refcount_warn_saturate+0x68/0xf0 # [ 66.151450] Code: 05 0a 1e 76 01 01 e8 dd 1b 93 00 0f 0b c3 80 3d fa 1d 76 01 00 75 d3 48 c7 c7 a8 be 45 b6 c6 05 ea 1d 76 01 01 e8 be 1b 93 00 <0f> 0b c3 80 3d dd 1d 76 01 00 75 b4 48 c7 c7 80 be 45 b6 c6 05 cd # [ 66.172438] RSP: 0018:ffffa1b4c2c4fe48 EFLAGS: 00010286 # [ 66.178275] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 66.186247] RDX: ffff8cd9badac660 RSI: ffff8cd9bad9bf70 RDI: ffff8cd9bad9bf70 # [ 66.194218] RBP: ffffffffb64c0461 R08: 0000000000000000 R09: 0000000000000000 # [ 66.202191] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 66.210163] R13: ffffa1b4c2c4ff10 R14: ffffa1b4c2c4ff10 R15: ffff8cd94359f000 # [ 66.218127] FS: 00007f0129d2b580(0000) GS:ffff8cd9bad80000(0000) knlGS:0000000000000000 # [ 66.227167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.233585] CR2: 00007f0129b44000 CR3: 00000001035ea006 CR4: 00000000003706e0 # [ 66.241556] Call Trace: # [ 66.244289] lkdtm_REFCOUNT_INC_ZERO+0x99/0xbd # [ 66.249250] direct_entry.cold+0x2c/0x38 # [ 66.253650] full_proxy_write+0x56/0x80 # [ 66.257941] vfs_write+0xea/0x390 # [ 66.267849] ksys_write+0x68/0xe0 # [ 66.271550] do_syscall_64+0x33/0x40 # [ 66.275541] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 66.281182] RIP: 0033:0x7f0129c53f33 # [ 66.285173] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 66.306160] RSP: 002b:00007ffe4e139638 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.314618] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f0129c53f33 # [ 66.322591] RDX: 0000000000000012 RSI: 00007f0129b44000 RDI: 0000000000000001 # [ 66.330563] RBP: 00007f0129b44000 R08: 00007f0129b43010 R09: 0000000000000000 # [ 66.338535] R10: 00007f0129d4e1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 66.346497] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.354465] irq event stamp: 0 # [ 66.364088] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.377309] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 66.386480] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 66.395616] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.402617] ---[ end trace 292ac93e28977062 ]--- # [ 66.407773] 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 # [ 66.502275] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 66.512103] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 66.519212] lkdtm: Good: zero detected # [ 66.523409] lkdtm: Correctly stayed at zero # [ 66.528086] lkdtm: attempting bad refcount_add() from zero # [ 66.534215] ------------[ cut here ]------------ # [ 66.539372] refcount_t: addition on 0; use-after-free. # [ 66.545141] WARNING: CPU: 3 PID: 2349 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 # [ 66.554478] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.587116] CPU: 3 PID: 2349 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 66.595800] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 66.602610] RIP: 0010:refcount_warn_saturate+0x68/0xf0 # [ 66.608348] Code: 05 0a 1e 76 01 01 e8 dd 1b 93 00 0f 0b c3 80 3d fa 1d 76 01 00 75 d3 48 c7 c7 a8 be 45 b6 c6 05 ea 1d 76 01 01 e8 be 1b 93 00 <0f> 0b c3 80 3d dd 1d 76 01 00 75 b4 48 c7 c7 80 be 45 b6 c6 05 cd # [ 66.629336] RSP: 0018:ffffa1b4c2cafe48 EFLAGS: 00010286 # [ 66.635204] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 66.643179] RDX: ffff8cd9badac660 RSI: ffff8cd9bad9bf70 RDI: ffff8cd9bad9bf70 # [ 66.657371] RBP: ffffffffb64c0473 R08: 0000000000000000 R09: 0000000000000000 # [ 66.671556] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 66.679520] R13: ffffa1b4c2caff10 R14: ffffa1b4c2caff10 R15: ffff8cd943ffa000 # [ 66.687491] FS: 00007f5f60021580(0000) GS:ffff8cd9bad80000(0000) knlGS:0000000000000000 # [ 66.696530] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.702944] CR2: 00007f5f5fe3a000 CR3: 00000001031e0006 CR4: 00000000003706e0 # [ 66.710941] Call Trace: # [ 66.719882] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xbd # [ 66.724877] direct_entry.cold+0x2c/0x38 # [ 66.729257] full_proxy_write+0x56/0x80 # [ 66.733540] vfs_write+0xea/0x390 # [ 66.737239] ksys_write+0x68/0xe0 # [ 66.740939] do_syscall_64+0x33/0x40 # [ 66.744931] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 66.750572] RIP: 0033:0x7f5f5ff49f33 # [ 66.754562] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 66.775548] RSP: 002b:00007ffe9cb30688 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.784007] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f5f5ff49f33 # [ 66.791977] RDX: 0000000000000012 RSI: 00007f5f5fe3a000 RDI: 0000000000000001 # [ 66.799949] RBP: 00007f5f5fe3a000 R08: 00007f5f5fe39010 R09: 0000000000000000 # [ 66.807922] R10: 00007f5f600441c0 R11: 0000000000000246 R12: 0000000000000001 # [ 66.815893] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.823858] irq event stamp: 0 # [ 66.827265] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.834267] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 66.843407] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 66.852544] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.859545] ---[ end trace 292ac93e28977063 ]--- # [ 66.864713] 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 # [ 66.961234] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 66.969465] lkdtm: attempting bad refcount_inc() from saturated # [ 66.982305] ------------[ cut here ]------------ # [ 66.993673] refcount_t: saturated; leaking memory. # [ 67.005303] WARNING: CPU: 0 PID: 2384 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 67.020812] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 67.053466] CPU: 0 PID: 2384 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 67.068324] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 67.081377] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 67.093304] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 1a 1e 76 01 00 75 f2 48 c7 c7 80 be 45 b6 c6 05 0a 1e 76 01 01 e8 dd 1b 93 00 <0f> 0b c3 80 3d fa 1d 76 01 00 75 d3 48 c7 c7 a8 be 45 b6 c6 05 ea # [ 67.120531] RSP: 0018:ffffa1b4c2d07e48 EFLAGS: 00010286 # [ 67.132564] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 67.146777] RDX: ffff8cd9bac2c660 RSI: ffff8cd9bac1bf70 RDI: ffff8cd9bac1bf70 # [ 67.160951] RBP: ffffffffb64c0485 R08: 0000000000000000 R09: 0000000000000000 # [ 67.175164] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 67.189343] R13: ffffa1b4c2d07f10 R14: ffffa1b4c2d07f10 R15: ffff8cd94544c000 # [ 67.203552] FS: 00007fe5ba376580(0000) GS:ffff8cd9bac00000(0000) knlGS:0000000000000000 # [ 67.218796] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.231451] CR2: 00007fe5ba18f000 CR3: 000000010544e001 CR4: 00000000003706f0 # [ 67.245648] Call Trace: # [ 67.254602] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x60 # [ 67.266295] direct_entry.cold+0x2c/0x38 # [ 67.276865] full_proxy_write+0x56/0x80 # [ 67.287371] vfs_write+0xea/0x390 # [ 67.297285] ksys_write+0x68/0xe0 # [ 67.307218] do_syscall_64+0x33/0x40 # [ 67.317415] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 67.329293] RIP: 0033:0x7fe5ba29ef33 # [ 67.339485] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 67.366720] RSP: 002b:00007fffb17755b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.381377] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fe5ba29ef33 # [ 67.395587] RDX: 0000000000000017 RSI: 00007fe5ba18f000 RDI: 0000000000000001 # [ 67.409762] RBP: 00007fe5ba18f000 R08: 00007fe5ba18e010 R09: 0000000000000000 # [ 67.423951] R10: 00007fe5ba3991c0 R11: 0000000000000246 R12: 0000000000000001 # [ 67.438135] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.452342] irq event stamp: 0 # [ 67.461955] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.475193] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 67.490534] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 67.505912] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.519113] ---[ end trace 292ac93e28977064 ]--- # [ 67.530495] 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 # [ 67.639547] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 67.648832] lkdtm: attempting bad refcount_dec() from saturated # [ 67.661665] ------------[ cut here ]------------ # [ 67.673034] refcount_t: decrement hit 0; leaking memory. # [ 67.678998] WARNING: CPU: 1 PID: 2419 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 # [ 67.694507] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 67.727148] CPU: 1 PID: 2419 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 67.742013] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 67.748822] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 # [ 67.754561] Code: ff 48 c7 c7 30 bf 45 b6 c6 05 86 1d 76 01 01 e8 5d 1b 93 00 0f 0b c3 48 c7 c7 00 bf 45 b6 c6 05 71 1d 76 01 01 e8 47 1b 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 # [ 67.781758] RSP: 0018:ffffa1b4c2db7e48 EFLAGS: 00010286 # [ 67.787597] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 67.801779] RDX: ffff8cd9bacac660 RSI: ffff8cd9bac9bf70 RDI: ffff8cd9bac9bf70 # [ 67.809753] RBP: ffffffffb64c049c R08: 0000000000000000 R09: 0000000000000000 # [ 67.823939] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 67.838125] R13: ffffa1b4c2db7f10 R14: ffffa1b4c2db7f10 R15: ffff8cd943189000 # [ 67.852315] FS: 00007fd5fb5af580(0000) GS:ffff8cd9bac80000(0000) knlGS:0000000000000000 # [ 67.867568] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.880200] CR2: 00007fd5fb3c8000 CR3: 0000000103f66006 CR4: 00000000003706e0 # [ 67.894392] Call Trace: # [ 67.903338] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5b # [ 67.914994] direct_entry.cold+0x2c/0x38 # [ 67.925586] full_proxy_write+0x56/0x80 # [ 67.936081] vfs_write+0xea/0x390 # [ 67.945993] ksys_write+0x68/0xe0 # [ 67.955908] do_syscall_64+0x33/0x40 # [ 67.966114] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 67.977969] RIP: 0033:0x7fd5fb4d7f33 # [ 67.988174] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 68.015372] RSP: 002b:00007ffe509fd628 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.030043] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fd5fb4d7f33 # [ 68.044228] RDX: 0000000000000017 RSI: 00007fd5fb3c8000 RDI: 0000000000000001 # [ 68.058414] RBP: 00007fd5fb3c8000 R08: 00007fd5fb3c7010 R09: 0000000000000000 # [ 68.072598] R10: 00007fd5fb5d21c0 R11: 0000000000000246 R12: 0000000000000001 # [ 68.086783] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.100971] irq event stamp: 0 # [ 68.110590] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 68.123810] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 68.139165] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 68.154517] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 68.167730] ---[ end trace 292ac93e28977065 ]--- # [ 68.172885] 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 # [ 68.278778] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 68.291180] lkdtm: attempting bad refcount_dec() from saturated # [ 68.297798] ------------[ cut here ]------------ # [ 68.302959] refcount_t: saturated; leaking memory. # [ 68.308321] WARNING: CPU: 2 PID: 2454 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 68.317662] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 68.350306] CPU: 2 PID: 2454 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 68.358982] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 68.365788] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 68.371526] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 1a 1e 76 01 00 75 f2 48 c7 c7 80 be 45 b6 c6 05 0a 1e 76 01 01 e8 dd 1b 93 00 <0f> 0b c3 80 3d fa 1d 76 01 00 75 d3 48 c7 c7 a8 be 45 b6 c6 05 ea # [ 68.392510] RSP: 0018:ffffa1b4c2e37e48 EFLAGS: 00010286 # [ 68.398350] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 68.412540] RDX: ffff8cd9bad2c660 RSI: ffff8cd9bad1bf70 RDI: ffff8cd9bad1bf70 # [ 68.420545] RBP: ffffffffb64c04b3 R08: 0000000000000000 R09: 0000000000000000 # [ 68.428517] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 68.436489] R13: ffffa1b4c2e37f10 R14: ffffa1b4c2e37f10 R15: ffff8cd94408a000 # [ 68.444462] FS: 00007fadcc525580(0000) GS:ffff8cd9bad00000(0000) knlGS:0000000000000000 # [ 68.453527] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.459955] CR2: 00007fadcc33e000 CR3: 0000000103f50001 CR4: 00000000003706e0 # [ 68.474133] Call Trace: # [ 68.476864] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x60 # [ 68.482344] direct_entry.cold+0x2c/0x38 # [ 68.486725] full_proxy_write+0x56/0x80 # [ 68.491009] vfs_write+0xea/0x390 # [ 68.494711] ksys_write+0x68/0xe0 # [ 68.498410] do_syscall_64+0x33/0x40 # [ 68.502402] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 68.508046] RIP: 0033:0x7fadcc44df33 # [ 68.512038] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 68.533023] RSP: 002b:00007ffcb125d678 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.541482] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fadcc44df33 # [ 68.549455] RDX: 0000000000000017 RSI: 00007fadcc33e000 RDI: 0000000000000001 # [ 68.557428] RBP: 00007fadcc33e000 R08: 00007fadcc33d010 R09: 0000000000000000 # [ 68.565402] R10: 00007fadcc5481c0 R11: 0000000000000246 R12: 0000000000000001 # [ 68.573372] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.581347] irq event stamp: 0 # [ 68.584778] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 68.591783] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 68.600921] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 68.610060] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 68.617061] ---[ end trace 292ac93e28977066 ]--- # [ 68.622215] 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 # [ 68.717631] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 68.729036] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 68.736526] ------------[ cut here ]------------ # [ 68.741688] refcount_t: saturated; leaking memory. # [ 68.753264] WARNING: CPU: 3 PID: 2486 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 # [ 68.768800] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 68.795263] CPU: 3 PID: 2486 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 68.810121] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 68.816953] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 68.822713] Code: 05 ea 1d 76 01 01 e8 be 1b 93 00 0f 0b c3 80 3d dd 1d 76 01 00 75 b4 48 c7 c7 80 be 45 b6 c6 05 cd 1d 76 01 01 e8 9f 1b 93 00 <0f> 0b c3 80 3d bb 1d 76 01 00 75 95 48 c7 c7 d8 be 45 b6 c6 05 ab # [ 68.843712] RSP: 0018:ffffa1b4c2eb7e38 EFLAGS: 00010282 # [ 68.849550] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 68.857523] RDX: ffff8cd9badac660 RSI: ffff8cd9bad9bf70 RDI: ffff8cd9bad9bf70 # [ 68.871712] RBP: ffffffffb64c00e0 R08: 0000000000000000 R09: 0000000000000000 # [ 68.879697] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 68.887711] R13: ffffa1b4c2eb7f10 R14: ffffa1b4c2eb7f10 R15: ffff8cd9435ff000 # [ 68.895683] FS: 00007fce4e02e580(0000) GS:ffff8cd9bad80000(0000) knlGS:0000000000000000 # [ 68.904723] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.911131] CR2: 00007fce4de47000 CR3: 000000010547a003 CR4: 00000000003706e0 # [ 68.919097] Call Trace: # [ 68.921830] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 68.934169] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x72 # [ 68.940491] direct_entry.cold+0x2c/0x38 # [ 68.944871] full_proxy_write+0x56/0x80 # [ 68.949154] vfs_write+0xea/0x390 # [ 68.952855] ksys_write+0x68/0xe0 # [ 68.956554] do_syscall_64+0x33/0x40 # [ 68.960545] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 68.966188] RIP: 0033:0x7fce4df56f33 # [ 68.970177] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 68.991166] RSP: 002b:00007ffc0b2ae468 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.999626] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fce4df56f33 # [ 69.007596] RDX: 0000000000000020 RSI: 00007fce4de47000 RDI: 0000000000000001 # [ 69.015560] RBP: 00007fce4de47000 R08: 00007fce4de46010 R09: 0000000000000000 # [ 69.023531] R10: 00007fce4e0511c0 R11: 0000000000000246 R12: 0000000000000001 # [ 69.031495] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 69.039468] irq event stamp: 0 # [ 69.049084] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 69.056087] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 69.065227] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 69.074364] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 69.081364] ---[ end trace 292ac93e28977067 ]--- # [ 69.086512] 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 # [ 69.187307] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 69.199520] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 69.213230] ------------[ cut here ]------------ # [ 69.224619] refcount_t: saturated; leaking memory. # [ 69.236199] WARNING: CPU: 0 PID: 2518 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 # [ 69.251755] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 69.284391] CPU: 0 PID: 2518 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 69.299255] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 69.312275] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 69.324210] Code: 05 ea 1d 76 01 01 e8 be 1b 93 00 0f 0b c3 80 3d dd 1d 76 01 00 75 b4 48 c7 c7 80 be 45 b6 c6 05 cd 1d 76 01 01 e8 9f 1b 93 00 <0f> 0b c3 80 3d bb 1d 76 01 00 75 95 48 c7 c7 d8 be 45 b6 c6 05 ab # [ 69.351440] RSP: 0018:ffffa1b4c2f47e38 EFLAGS: 00010282 # [ 69.363465] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 69.377722] RDX: ffff8cd9bac2c660 RSI: ffff8cd9bac1bf70 RDI: ffff8cd9bac1bf70 # [ 69.391908] RBP: ffffffffb64c0100 R08: 0000000000000000 R09: 0000000000000000 # [ 69.406064] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 69.420252] R13: ffffa1b4c2f47f10 R14: ffffa1b4c2f47f10 R15: ffff8cd9456d2000 # [ 69.434444] FS: 00007fbaca230580(0000) GS:ffff8cd9bac00000(0000) knlGS:0000000000000000 # [ 69.449715] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.462337] CR2: 00007fbaca049000 CR3: 0000000103882001 CR4: 00000000003706f0 # [ 69.476545] Call Trace: # [ 69.485495] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 69.497824] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x72 # [ 69.510378] direct_entry.cold+0x2c/0x38 # [ 69.520973] full_proxy_write+0x56/0x80 # [ 69.531450] vfs_write+0xea/0x390 # [ 69.541374] ksys_write+0x68/0xe0 # [ 69.551309] do_syscall_64+0x33/0x40 # [ 69.561480] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 69.573335] RIP: 0033:0x7fbaca158f33 # [ 69.583534] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 69.610743] RSP: 002b:00007ffcfae5ebe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 69.625431] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fbaca158f33 # [ 69.639628] RDX: 0000000000000020 RSI: 00007fbaca049000 RDI: 0000000000000001 # [ 69.653801] RBP: 00007fbaca049000 R08: 00007fbaca048010 R09: 0000000000000000 # [ 69.668033] R10: 00007fbaca2531c0 R11: 0000000000000246 R12: 0000000000000001 # [ 69.682241] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 69.696435] irq event stamp: 0 # [ 69.706085] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 69.719289] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 69.734684] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 69.750022] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 69.763276] ---[ end trace 292ac93e28977068 ]--- # [ 69.774669] 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 # [ 69.883221] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 69.893839] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 69.901333] ------------[ cut here ]------------ # [ 69.906499] refcount_t: underflow; use-after-free. # [ 69.918075] WARNING: CPU: 3 PID: 2553 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 69.933612] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 69.966258] CPU: 3 PID: 2553 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 69.974935] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 69.981755] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 69.987504] Code: 05 cd 1d 76 01 01 e8 9f 1b 93 00 0f 0b c3 80 3d bb 1d 76 01 00 75 95 48 c7 c7 d8 be 45 b6 c6 05 ab 1d 76 01 01 e8 80 1b 93 00 <0f> 0b c3 80 3d 9a 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 30 bf 45 # [ 70.014712] RSP: 0018:ffffa1b4c2fb7e40 EFLAGS: 00010286 # [ 70.020548] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 70.028518] RDX: ffff8cd9badac660 RSI: ffff8cd9bad9bf70 RDI: ffff8cd9bad9bf70 # [ 70.036481] RBP: ffffffffb64c0120 R08: 0000000000000000 R09: 0000000000000000 # [ 70.044452] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 70.052423] R13: ffffa1b4c2fb7f10 R14: ffffa1b4c2fb7f10 R15: ffff8cd944c12000 # [ 70.060394] FS: 00007f7878bbb580(0000) GS:ffff8cd9bad80000(0000) knlGS:0000000000000000 # [ 70.069433] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.075851] CR2: 00007f78789d4000 CR3: 000000010094c004 CR4: 00000000003706e0 # [ 70.083822] Call Trace: # [ 70.086551] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 70.092681] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x72 # [ 70.099022] direct_entry.cold+0x2c/0x38 # [ 70.103400] full_proxy_write+0x56/0x80 # [ 70.107683] vfs_write+0xea/0x390 # [ 70.111381] ksys_write+0x68/0xe0 # [ 70.115081] do_syscall_64+0x33/0x40 # [ 70.119072] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 70.124722] RIP: 0033:0x7f7878ae3f33 # [ 70.128723] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 70.149711] RSP: 002b:00007fff28cfa698 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 70.158169] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f7878ae3f33 # [ 70.166141] RDX: 0000000000000020 RSI: 00007f78789d4000 RDI: 0000000000000001 # [ 70.174111] RBP: 00007f78789d4000 R08: 00007f78789d3010 R09: 0000000000000000 # [ 70.182082] R10: 00007f7878bde1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 70.190053] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 70.198020] irq event stamp: 0 # [ 70.207644] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 70.214646] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 70.229996] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 70.239133] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 70.246133] ---[ end trace 292ac93e28977069 ]--- # [ 70.251287] 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 # [ 70.344210] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 70.358064] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 70.371800] ------------[ cut here ]------------ # [ 70.383164] refcount_t: underflow; use-after-free. # [ 70.394757] WARNING: CPU: 0 PID: 2588 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 70.410330] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 70.442960] CPU: 0 PID: 2588 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 70.457850] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 70.470869] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 70.482831] Code: 05 cd 1d 76 01 01 e8 9f 1b 93 00 0f 0b c3 80 3d bb 1d 76 01 00 75 95 48 c7 c7 d8 be 45 b6 c6 05 ab 1d 76 01 01 e8 80 1b 93 00 <0f> 0b c3 80 3d 9a 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 30 bf 45 # [ 70.510014] RSP: 0018:ffffa1b4c304fe40 EFLAGS: 00010286 # [ 70.522084] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 70.536297] RDX: ffff8cd9bac2c660 RSI: ffff8cd9bac1bf70 RDI: ffff8cd9bac1bf70 # [ 70.550464] RBP: ffffffffb64c0140 R08: 0000000000000000 R09: 0000000000000000 # [ 70.564759] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 70.578896] R13: ffffa1b4c304ff10 R14: ffffa1b4c304ff10 R15: ffff8cd945428000 # [ 70.593086] FS: 00007f64575f6580(0000) GS:ffff8cd9bac00000(0000) knlGS:0000000000000000 # [ 70.608312] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.620976] CR2: 00007f645740f000 CR3: 000000010270e002 CR4: 00000000003706f0 # [ 70.635145] Call Trace: # [ 70.644114] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 70.656451] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x72 # [ 70.668991] direct_entry.cold+0x2c/0x38 # [ 70.679577] full_proxy_write+0x56/0x80 # [ 70.690086] vfs_write+0xea/0x390 # [ 70.700022] ksys_write+0x68/0xe0 # [ 70.709920] do_syscall_64+0x33/0x40 # [ 70.720155] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 70.732020] RIP: 0033:0x7f645751ef33 # [ 70.742186] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 70.769394] RSP: 002b:00007ffe20629458 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 70.784060] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f645751ef33 # [ 70.798239] RDX: 0000000000000020 RSI: 00007f645740f000 RDI: 0000000000000001 # [ 70.812426] RBP: 00007f645740f000 R08: 00007f645740e010 R09: 0000000000000000 # [ 70.826640] R10: 00007f64576191c0 R11: 0000000000000246 R12: 0000000000000001 # [ 70.840813] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 70.855061] irq event stamp: 0 # [ 70.864669] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 70.877884] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 70.893237] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 70.908581] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 70.921801] ---[ end trace 292ac93e2897706a ]--- # [ 70.933159] 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 # [ 71.131027] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 71.138517] lkdtm: attempting good copy_to_user of correct size # [ 71.151347] 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 # [ 71.247575] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 71.258178] lkdtm: attempting good copy_from_user of correct size # [ 71.271227] 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 # [ 71.409783] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 71.422090] lkdtm: attempting good copy_to_user inside whitelist # [ 71.428816] 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 # [ 71.540115] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 71.548589] lkdtm: attempting good copy_from_user inside whitelist # [ 71.555509] 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 # [ 71.659404] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 71.668806] lkdtm: good_stack: ffffa1b4c33efe20-ffffa1b4c33efe40 # [ 71.681740] lkdtm: bad_stack : ffffa1b4c33efda8-ffffa1b4c33efdc8 # [ 71.694680] lkdtm: attempting good copy_to_user of local stack # [ 71.707437] 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 # [ 71.816545] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 71.826778] lkdtm: good_stack: ffffa1b4c3477e20-ffffa1b4c3477e40 # [ 71.833496] lkdtm: bad_stack : ffffa1b4c3477da8-ffffa1b4c3477dc8 # [ 71.846446] lkdtm: attempting good copy_from_user of local stack # [ 71.853168] 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 # [ 71.971188] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 71.978827] lkdtm: good_stack: ffffa1b4c351fe20-ffffa1b4c351fe40 # [ 71.991753] lkdtm: bad_stack : ffffa1b4c351fff8-ffffa1b4c3520018 # [ 72.004694] lkdtm: attempting good copy_to_user of local stack # [ 72.017457] lkdtm: attempting bad copy_to_user of distant stack # [ 72.030276] 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 # [ 72.126998] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 72.135439] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffb60d9f10 # [ 72.150326] lkdtm: attempting bad copy_to_user from kernel text: ffffffffb4ed1460 # [ 72.164882] 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 # [ 72.281315] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 72.288643] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 72.302743] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 72.316727] lkdtm: FAIL: the thread stack is NOT properly erased # [ 72.329667] CPU: 1 PID: 2953 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 72.344528] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 72.351322] Call Trace: # [ 72.354053] dump_stack+0x77/0x97 # [ 72.363965] lkdtm_STACKLEAK_ERASING+0x116/0x140 # [ 72.369122] direct_entry.cold+0x2c/0x38 # [ 72.373501] full_proxy_write+0x56/0x80 # [ 72.377783] vfs_write+0xea/0x390 # [ 72.387708] ksys_write+0x68/0xe0 # [ 72.391406] do_syscall_64+0x33/0x40 # [ 72.395395] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 72.401035] RIP: 0033:0x7faccf243f33 # [ 72.405023] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 72.426006] RSP: 002b:00007fff31d69ca8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 72.434461] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007faccf243f33 # [ 72.442431] RDX: 0000000000000012 RSI: 00007faccf134000 RDI: 0000000000000001 # [ 72.450401] RBP: 00007faccf134000 R08: 00007faccf133010 R09: 0000000000000000 # [ 72.458369] R10: 00007faccf33e1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 72.466339] 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 # [ 72.589324] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 72.598721] lkdtm: Calling matched prototype ... # [ 72.610097] lkdtm: Calling mismatched prototype ... # [ 72.621755] lkdtm: Fail: survived mismatched prototype function call! # CFI_FORWARD_PROTO: missing 'call trace:': [FAIL] not ok 70 selftests: lkdtm: CFI_FORWARD_PROTO.sh # exit=1 + ../../utils/send-to-lava.sh ./output/result.txt + set +x / #