[Enter `^Ec?' for help] coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_A:0.0.10/29d77172 RW_B:0.3.15/cr50_v1.9308_87_mp.224-6339b6f Initialized TPM device CR50 revision 0 tlcl_send_startup: Startup return code is 0 TPM: setup succeeded src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0 Chrome EC: UHEPI supported Phase 1 FMAP: Found \"FLASH\" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x0 / 0x0 Phase 2 Phase 3 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_report_dev_firmware() This is developer signed firmware FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) VB2:vb2_verify_keyblock() Checking key block signature... FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) VB2:vb2_verify_fw_preamble() Verifying preamble. Phase 4 FMAP: area FW_MAIN_B found @ 5f8000 (4030400 bytes) VB2:vb2api_init_hash() HW crypto for hash_alg 2 not supported, using SW VB2:vb2_rsa_verify_digest() Digest check failed! VB2:vb2_fail() Need recovery, reason: 0x1b / 0x7 Saving nvdata Reboot requested (10020007) board_reset() called! full_reset() called! coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_A:0.0.10/29d77172 RW_B:0.3.15/cr50_v1.9308_87_mp.224-6339b6f Initialized TPM device CR50 revision 0 tlcl_send_startup: Startup return code is 0 TPM: setup succeeded src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0 Chrome EC: UHEPI supported Phase 1 FMAP: Found \"FLASH\" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x1b / 0x7 VB2:vb2_check_recovery() We have a recovery request: 0x1b / 0x0 Recovery requested (1009000e) Saving nvdata tlcl_extend: response is 0 tlcl_extend: response is 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/romstage' CBFS: Found @ offset 80 size 10ffc coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 romstage starting... pm1_sts: 0100 pm1_en: 0000 pm1_cnt: 00001c00 gpe0_sts[0]: 00000000 gpe0_en[0]: 00000000 gpe0_sts[1]: 00000000 gpe0_en[1]: 00000000 gpe0_sts[2]: 00000001 gpe0_en[2]: 00000000 gpe0_sts[3]: 00000000 gpe0_en[3]: 00010000 TCO_STS: 0000 0000 GEN_PMCON: e0040200 0000523a GBLRST_CAUSE: 00000000 00000000 prev_sleep_state 5 Boot Count incremented to 23490 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fspm.bin' CBFS: Found @ offset 103fc0 size 63000 Chrome EC: UHEPI supported FMAP: Found \"FLASH\" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RECOVERY_MRC_CACHE found @ 9d0000 (65536 bytes) Probing TPM: done! Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_A:0.0.10/29d77172 RW_B:0.3.15/cr50_v1.9308_87_mp.224-6339b6f Initialized TPM device CR50 revision 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: Hash comparison successful. Using data from RECOVERY_MRC_CACHE MRC cache found, size 1868 bootmode is set to :2 SPD index 1 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'spd.bin' CBFS: Found @ offset 1a0240 size 800 SPD: module type is LPDDR3 SPD: module part is K4E8E324EB-EGCF SPD: banks 8, ranks 1, rows 15, columns 10, density 8192 Mb SPD: device width 32 bits, bus width 64 bits SPD: module size is 2048 MB (per channel) CBMEM: IMD: root @ 7afff000 254 entries. IMD: root @ 7affec00 62 entries. External stage cache: IMD: root @ 7b3ff000 254 entries. IMD: root @ 7b3fec00 62 entries. creating vboot_handoff structure Chrome EC: clear events_b mask to 0x0000000021004000 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 tlcl_write: response is 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: TPM MRC hash updated successfully. 2 DIMMs found top_of_ram = 0x7b000000 MTRR Range: Start=7a000000 End=7b000000 (Size 1000000) MTRR Range: Start=7b000000 End=7b800000 (Size 800000) MTRR Range: Start=ff000000 End=0 (Size 1000000) CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/postcar' CBFS: Found @ offset 197000 size 3f04 Decompressing stage fallback/postcar @ 0x7abd0fc0 (32720 bytes) Loading module at 7abd1000 with entry 7abd1000. filesize: 0x3cd0 memsize: 0x7f90 Processing 118 relocs. Offset value of 0x78bd1000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 postcar starting... CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/ramstage' CBFS: Found @ offset e8d80 size 1a462 Decompressing stage fallback/ramstage @ 0x7ab05fc0 (826808 bytes) Loading module at 7ab06000 with entry 7ab06000. filesize: 0x38d90 memsize: 0xc9d78 Processing 3657 relocs. Offset value of 0x79d06000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 ramstage starting... FMAP: Found \"FLASH\" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RO_VPD found @ c00000 (16384 bytes) WARNING: RO_VPD is uninitialized or empty. FMAP: area RW_VPD found @ 9f8000 (8192 bytes) 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...done. AP: slot 2 apic_id 2. AP: slot 3 apic_id 3. Waiting for 2nd SIPI to complete...done. AP: slot 1 apic_id 1. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab21603(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010a19. filesize: 0x3b08 memsize: 0x8bc0 Processing 243 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd SMM Module: stub loaded at 7b008000. Will call 7b010a19(00000000) Clearing SMI status registers SMI_STS: PM1 PM1_STS: PWRBTN TCO_STS: BOOT SECOND_TO New SMBASE 0x7b000000 In relocation handler: CPU 0 New SMBASE=0x7b000000 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afffc00 In relocation handler: CPU 1 New SMBASE=0x7afffc00 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 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: 0x02 done. Setting up local APIC...Setting up local APIC... apic_id: 0x03 done. Skip microcode update Skip microcode update CPU #2 initialized CPU #3 initialized apic_id: 0x01 done. Skip microcode update CPU #1 initialized bsp_do_flight_plan done after 229 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 376159 run 170330 exit 0 Enumerating buses... Show all devs... Before device enumeration. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 00:5c: enabled 1 I2C: 00:15: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 02: enabled 1 APIC: 03: enabled 1 Compare with tree... Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 APIC: 00: enabled 1 APIC: 01: enabled 1 APIC: 02: enabled 1 APIC: 03: enabled 1 DOMAIN: 0000: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 USB0 port 0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 I2C: 00:5c: enabled 1 PCI: 00:15.1: enabled 1 I2C: 00:15: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 SPI: 00: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PNP: 0c09.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 Root Device scanning... root_dev_scan_bus for Root Device CPU_CLUSTER: 0 enabled DOMAIN: 0000 enabled DOMAIN: 0000 scanning... PCI: pci_scan_bus for bus 00 PCI: 00:00.0 [8086/0000] ops PCI: 00:00.0 [8086/590c] enabled PCI: 00:02.0 [8086/0000] ops PCI: 00:02.0 [8086/591c] enabled PCI: 00:04.0 [8086/1903] enabled PCI: 00:08.0 [8086/1911] enabled PCI: 00:14.0 [8086/0000] bus ops PCI: 00:14.0 [8086/9d2f] enabled PCI: 00:14.2 [8086/9d31] enabled PCI: 00:15.0 [8086/0000] bus ops PCI: 00:15.0 [8086/9d60] enabled PCI: 00:15.1 [8086/0000] bus ops PCI: 00:15.1 [8086/9d61] enabled PCI: 00:16.0 [8086/0000] ops PCI: 00:16.0 [8086/9d3a] enabled PCI: 00:19.0 [8086/0000] ops PCI: 00:19.0 [8086/9d66] enabled PCI: 00:19.1 [8086/0000] bus ops PCI: 00:19.1 [8086/9d65] enabled PCI: 00:1c.0 [8086/0000] bus ops PCI: 00:1c.0 [8086/9d10] enabled PCI: 00:1e.0 [8086/0000] ops PCI: 00:1e.0 [8086/9d27] enabled PCI: 00:1e.2 [8086/0000] bus ops PCI: 00:1e.2 [8086/9d29] enabled PCI: 00:1e.4 [8086/9d2b] enabled PCI: 00:1e.6 [8086/0000] ops PCI: 00:1e.6 [8086/9d2d] enabled PCI: 00:1f.0 [8086/0000] bus ops PCI: 00:1f.0 [8086/9d4b] enabled PCI: Static device PCI: 00:1f.1 not found, disabling it. PCI: 00:1f.2 [8086/0000] bus ops PCI: 00:1f.2 [8086/9d21] enabled PCI: 00:1f.3 [8086/0000] bus ops PCI: 00:1f.3 [8086/9d71] enabled PCI: 00:1f.4 [8086/0000] bus ops PCI: 00:1f.4 [8086/9d23] enabled PCI: 00:1f.5 [8086/0000] bus ops PCI: 00:1f.5 [8086/9d24] enabled PCI: 00:14.0 scanning... scan_usb_bus for PCI: 00:14.0 USB0 port 0 enabled USB0 port 0 scanning... scan_usb_bus for USB0 port 0 USB2 port 0 enabled USB2 port 1 enabled USB2 port 2 enabled USB2 port 4 enabled USB2 port 8 enabled USB2 port 0 scanning... scan_usb_bus for USB2 port 0 scan_usb_bus for USB2 port 0 done scan_bus: scanning of bus USB2 port 0 took 8971 usecs USB2 port 1 scanning... scan_usb_bus for USB2 port 1 scan_usb_bus for USB2 port 1 done scan_bus: scanning of bus USB2 port 1 took 8972 usecs USB2 port 2 scanning... scan_usb_bus for USB2 port 2 scan_usb_bus for USB2 port 2 done scan_bus: scanning of bus USB2 port 2 took 8966 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 8963 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 8973 usecs scan_usb_bus for USB0 port 0 done scan_bus: scanning of bus USB0 port 0 took 90945 usecs scan_usb_bus for PCI: 00:14.0 done scan_bus: scanning of bus PCI: 00:14.0 took 107734 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 14157 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 14159 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 22361 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 53522 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 13882 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 11321 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 9264 usecs PCI: 00:1f.3 scanning... scan_bus: scanning of bus PCI: 00:1f.3 took 2717 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 10044 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 10050 usecs scan_bus: scanning of bus DOMAIN: 0000 took 466038 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 486143 usecs done Chrome EC: UHEPI supported FMAP: area RECOVERY_MRC_CACHE found @ 9d0000 (65536 bytes) MRC: Checking cached data update for 'RECOVERY_MRC_CACHE'. SF: Detected FAST_SPI Hardware Sequencer with sector size 0x1000, total 0x1000000 FMAP: area UNIFIED_MRC_CACHE found @ 9d0000 (131072 bytes) SPI flash protection: WPSW=0 SRP0=0 MRC: NOT enabling PRR for 'UNIFIED_MRC_CACHE'. BS: BS_DEV_ENUMERATE times (us): entry 0 run 825877 exit 39248 found VGA at PCI: 00:02.0 Setting up VGA for PCI: 00:02.0 Setting PCI_BRIDGE_CTL_VGA for bridge DOMAIN: 0000 Setting PCI_BRIDGE_CTL_VGA for bridge Root Device Allocating resources... Reading resources... Root Device read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 PCI: 00:14.0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 done PCI: 00:14.0 read_resources bus 0 link: 0 done PCI: 00:15.0 read_resources bus 1 link: 0 PCI: 00:15.0 read_resources bus 1 link: 0 done PCI: 00:15.1 read_resources bus 2 link: 0 PCI: 00:15.1 read_resources bus 2 link: 0 done PCI: 00:19.1 read_resources bus 3 link: 0 PCI: 00:19.1 read_resources bus 3 link: 0 done PCI: 00:1c.0 read_resources bus 1 link: 0 PCI: 00:1c.0 read_resources bus 1 link: 0 done PCI: 00:1e.2 read_resources bus 4 link: 0 PCI: 00:1e.2 read_resources bus 4 link: 0 done PCI: 00:1f.0 read_resources bus 0 link: 0 PCI: 00:1f.0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 done Root Device read_resources bus 0 link: 0 done Done reading resources. Show resources in subtree (Root Device)...After reading. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 02 APIC: 03 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffff flags 40040100 index 10000000 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base 0 size 1000000 align 24 gran 24 limit ffffffffffffffff flags 201 index 10 PCI: 00:02.0 resource base 0 size 10000000 align 28 gran 28 limit ffffffffffffffff flags 1201 index 18 PCI: 00:02.0 resource base 0 size 40 align 6 gran 6 limit ffff flags 100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base 0 size 8000 align 15 gran 15 limit ffffffffffffffff flags 201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base 0 size 0 align 12 gran 12 limit ffff flags 80102 index 1c PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffffffffffff flags 81202 index 24 PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffff flags 80202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base 0 size 2000 align 13 gran 13 limit ffffffffffffffff flags 201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base 0 size 4000 align 14 gran 14 limit ffffffff flags 200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base 0 size 4000 align 14 gran 14 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.3 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base 0 size 100 align 12 gran 8 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base 0 size 1000 align 12 gran 12 limit ffffffff flags 200 index 10 PCI: 00:1f.6 DOMAIN: 0000 io: base: 0 size: 0 align: 0 gran: 0 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff done PCI: 00:02.0 20 * [0x0 - 0x3f] io DOMAIN: 0000 io: base: 40 size: 40 align: 6 gran: 0 limit: ffff done DOMAIN: 0000 mem: base: 0 size: 0 align: 0 gran: 0 limit: ffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff done PCI: 00:1c.0 mem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffff PCI: 01:00.0 10 * [0x0 - 0x1fff] mem PCI: 00:1c.0 mem: base: 2000 size: 100000 align: 20 gran: 20 limit: ffffffff done PCI: 00:02.0 18 * [0x0 - 0xfffffff] prefmem PCI: 00:02.0 10 * [0x10000000 - 0x10ffffff] mem PCI: 00:1c.0 20 * [0x11000000 - 0x110fffff] mem PCI: 00:14.0 10 * [0x11100000 - 0x1110ffff] mem PCI: 00:1f.3 20 * [0x11110000 - 0x1111ffff] mem PCI: 00:04.0 10 * [0x11120000 - 0x11127fff] mem PCI: 00:1f.2 10 * [0x11128000 - 0x1112bfff] mem PCI: 00:1f.3 10 * [0x1112c000 - 0x1112ffff] mem PCI: 00:08.0 10 * [0x11130000 - 0x11130fff] mem PCI: 00:14.2 10 * [0x11131000 - 0x11131fff] mem PCI: 00:15.0 10 * [0x11132000 - 0x11132fff] mem PCI: 00:15.1 10 * [0x11133000 - 0x11133fff] mem PCI: 00:16.0 10 * [0x11134000 - 0x11134fff] mem PCI: 00:19.0 18 * [0x11135000 - 0x11135fff] mem PCI: 00:19.1 10 * [0x11136000 - 0x11136fff] mem PCI: 00:1e.0 10 * [0x11137000 - 0x11137fff] mem PCI: 00:1e.2 10 * [0x11138000 - 0x11138fff] mem PCI: 00:1e.4 10 * [0x11139000 - 0x11139fff] mem PCI: 00:1e.6 10 * [0x1113a000 - 0x1113afff] mem PCI: 00:1f.5 10 * [0x1113b000 - 0x1113bfff] mem PCI: 00:1f.4 10 * [0x1113c000 - 0x1113c0ff] mem DOMAIN: 0000 mem: base: 1113c100 size: 1113c100 align: 28 gran: 0 limit: ffffffff done avoid_fixed_resources: DOMAIN: 0000 avoid_fixed_resources:@DOMAIN: 0000 10000000 limit 0000ffff avoid_fixed_resources:@DOMAIN: 0000 10000100 limit ffffffff constrain_resources: PCI: 00:00.0 00 base e0000000 limit e3ffffff mem (fixed) constrain_resources: PCI: 00:00.0 08 base 00000000 limit 0009ffff mem (fixed) constrain_resources: PCI: 00:00.0 09 base 000c0000 limit 7affffff mem (fixed) constrain_resources: PCI: 00:00.0 0b base 7b000000 limit 7b7fffff mem (fixed) constrain_resources: PCI: 00:00.0 0c base 7b800000 limit 7fffffff mem (fixed) constrain_resources: PCI: 00:1f.0 00 base 00000000 limit 00000fff io (fixed) constrain_resources: PCI: 00:1f.2 40 base 00001800 limit 000018ff io (fixed) constrain_resources: PCI: 00:1f.4 20 base 0000efa0 limit 0000efbf io (fixed) avoid_fixed_resources:@DOMAIN: 0000 10000000 base 00001900 limit 0000ef9f avoid_fixed_resources:@DOMAIN: 0000 10000100 base c0000000 limit dfffffff Setting resources... DOMAIN: 0000 io: base:1900 size:40 align:6 gran:0 limit:ef9f PCI: 00:02.0 20 * [0x1c00 - 0x1c3f] io DOMAIN: 0000 io: next_base: 1c40 size: 40 align: 6 gran: 0 done PCI: 00:1c.0 io: base:ef9f size:0 align:12 gran:12 limit:ef9f PCI: 00:1c.0 io: next_base: ef9f size: 0 align: 12 gran: 12 done DOMAIN: 0000 mem: base:c0000000 size:1113c100 align:28 gran:0 limit:dfffffff PCI: 00:02.0 18 * [0xc0000000 - 0xcfffffff] prefmem PCI: 00:02.0 10 * [0xd0000000 - 0xd0ffffff] mem PCI: 00:1c.0 20 * [0xd1000000 - 0xd10fffff] mem PCI: 00:14.0 10 * [0xd1100000 - 0xd110ffff] mem PCI: 00:1f.3 20 * [0xd1110000 - 0xd111ffff] mem PCI: 00:04.0 10 * [0xd1120000 - 0xd1127fff] mem PCI: 00:1f.2 10 * [0xd1128000 - 0xd112bfff] mem PCI: 00:1f.3 10 * [0xd112c000 - 0xd112ffff] mem PCI: 00:08.0 10 * [0xd1130000 - 0xd1130fff] mem PCI: 00:14.2 10 * [0xd1131000 - 0xd1131fff] mem PCI: 00:15.0 10 * [0xd1132000 - 0xd1132fff] mem PCI: 00:15.1 10 * [0xd1133000 - 0xd1133fff] mem PCI: 00:16.0 10 * [0xd1134000 - 0xd1134fff] mem PCI: 00:19.0 18 * [0xd1135000 - 0xd1135fff] mem PCI: 00:19.1 10 * [0xd1136000 - 0xd1136fff] mem PCI: 00:1e.0 10 * [0xd1137000 - 0xd1137fff] mem PCI: 00:1e.2 10 * [0xd1138000 - 0xd1138fff] mem PCI: 00:1e.4 10 * [0xd1139000 - 0xd1139fff] mem PCI: 00:1e.6 10 * [0xd113a000 - 0xd113afff] mem PCI: 00:1f.5 10 * [0xd113b000 - 0xd113bfff] mem PCI: 00:1f.4 10 * [0xd113c000 - 0xd113c0ff] mem DOMAIN: 0000 mem: next_base: d113c100 size: 1113c100 align: 28 gran: 0 done PCI: 00:1c.0 prefmem: base:dfffffff size:0 align:20 gran:20 limit:dfffffff PCI: 00:1c.0 prefmem: next_base: dfffffff size: 0 align: 20 gran: 20 done PCI: 00:1c.0 mem: base:d1000000 size:100000 align:20 gran:20 limit:d10fffff PCI: 01:00.0 10 * [0xd1000000 - 0xd1001fff] mem PCI: 00:1c.0 mem: next_base: d1002000 size: 100000 align: 20 gran: 20 done Root Device assign_resources, bus 0 link: 0 DOMAIN: 0000 assign_resources, bus 0 link: 0 PCI: 00:02.0 10 <- [0x00d0000000 - 0x00d0ffffff] size 0x01000000 gran 0x18 mem64 PCI: 00:02.0 18 <- [0x00c0000000 - 0x00cfffffff] size 0x10000000 gran 0x1c prefmem64 PCI: 00:02.0 20 <- [0x0000001c00 - 0x0000001c3f] size 0x00000040 gran 0x06 io PCI: 00:04.0 10 <- [0x00d1120000 - 0x00d1127fff] size 0x00008000 gran 0x0f mem64 PCI: 00:08.0 10 <- [0x00d1130000 - 0x00d1130fff] size 0x00001000 gran 0x0c mem64 PCI: 00:14.0 10 <- [0x00d1100000 - 0x00d110ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.2 10 <- [0x00d1131000 - 0x00d1131fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 10 <- [0x00d1132000 - 0x00d1132fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.1 10 <- [0x00d1133000 - 0x00d1133fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:16.0 10 <- [0x00d1134000 - 0x00d1134fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.0 18 <- [0x00d1135000 - 0x00d1135fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 10 <- [0x00d1136000 - 0x00d1136fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:1c.0 1c <- [0x000000ef9f - 0x000000ef9e] size 0x00000000 gran 0x0c bus 01 io PCI: 00:1c.0 24 <- [0x00dfffffff - 0x00dffffffe] size 0x00000000 gran 0x14 bus 01 prefmem PCI: 00:1c.0 20 <- [0x00d1000000 - 0x00d10fffff] size 0x00100000 gran 0x14 bus 01 mem PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 01:00.0 10 <- [0x00d1000000 - 0x00d1001fff] size 0x00002000 gran 0x0d mem64 PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 00:1e.0 10 <- [0x00d1137000 - 0x00d1137fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 10 <- [0x00d1138000 - 0x00d1138fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.4 10 <- [0x00d1139000 - 0x00d1139fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.6 10 <- [0x00d113a000 - 0x00d113afff] size 0x00001000 gran 0x0c mem64 PCI: 00:1f.0 assign_resources, bus 0 link: 0 PCI: 00:1f.0 assign_resources, bus 0 link: 0 LPC: Trying to open IO window from 800 size 1ff PCI: 00:1f.2 10 <- [0x00d1128000 - 0x00d112bfff] size 0x00004000 gran 0x0e mem PCI: 00:1f.3 10 <- [0x00d112c000 - 0x00d112ffff] size 0x00004000 gran 0x0e mem64 PCI: 00:1f.3 20 <- [0x00d1110000 - 0x00d111ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:1f.4 10 <- [0x00d113c000 - 0x00d113c0ff] size 0x00000100 gran 0x08 mem64 PCI: 00:1f.5 10 <- [0x00d113b000 - 0x00d113bfff] size 0x00001000 gran 0x0c mem DOMAIN: 0000 assign_resources, bus 0 link: 0 Root Device assign_resources, bus 0 link: 0 Done setting resources. Show resources in subtree (Root Device)...After assigning values. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 02 APIC: 03 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 1900 size 40 align 6 gran 0 limit ef9f flags 40040100 index 10000000 DOMAIN: 0000 resource base c0000000 size 1113c100 align 28 gran 0 limit dfffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base d0000000 size 1000000 align 24 gran 24 limit d0ffffff flags 60000201 index 10 PCI: 00:02.0 resource base c0000000 size 10000000 align 28 gran 28 limit cfffffff flags 60001201 index 18 PCI: 00:02.0 resource base 1c00 size 40 align 6 gran 6 limit 1c3f flags 60000100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base d1120000 size 8000 align 15 gran 15 limit d1127fff flags 60000201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base d1130000 size 1000 align 12 gran 12 limit d1130fff flags 60000201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base d1100000 size 10000 align 16 gran 16 limit d110ffff flags 60000201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base d1131000 size 1000 align 12 gran 12 limit d1131fff flags 60000201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base d1132000 size 1000 align 12 gran 12 limit d1132fff flags 60000201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base d1133000 size 1000 align 12 gran 12 limit d1133fff flags 60000201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base d1134000 size 1000 align 12 gran 12 limit d1134fff flags 60000201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base d1135000 size 1000 align 12 gran 12 limit d1135fff flags 60000201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base d1136000 size 1000 align 12 gran 12 limit d1136fff flags 60000201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base ef9f size 0 align 12 gran 12 limit ef9f flags 60080102 index 1c PCI: 00:1c.0 resource base dfffffff size 0 align 20 gran 20 limit dfffffff flags 60081202 index 24 PCI: 00:1c.0 resource base d1000000 size 100000 align 20 gran 20 limit d10fffff flags 60080202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base d1000000 size 2000 align 13 gran 13 limit d1001fff flags 60000201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base d1137000 size 1000 align 12 gran 12 limit d1137fff flags 60000201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base d1138000 size 1000 align 12 gran 12 limit d1138fff flags 60000201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base d1139000 size 1000 align 12 gran 12 limit d1139fff flags 60000201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base d113a000 size 1000 align 12 gran 12 limit d113afff flags 60000201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base d1128000 size 4000 align 14 gran 14 limit d112bfff flags 60000200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base d112c000 size 4000 align 14 gran 14 limit d112ffff flags 60000201 index 10 PCI: 00:1f.3 resource base d1110000 size 10000 align 16 gran 16 limit d111ffff flags 60000201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base d113c000 size 100 align 12 gran 8 limit d113c0ff flags 60000201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base d113b000 size 1000 align 12 gran 12 limit d113bfff flags 60000200 index 10 PCI: 00:1f.6 Done allocating resources. BS: BS_DEV_RESOURCES times (us): entry 0 run 2113579 exit 31 Enabling resources... PCI: 00:00.0 subsystem <- 8086/590c PCI: 00:00.0 cmd <- 06 PCI: 00:02.0 subsystem <- 8086/591c PCI: 00:02.0 cmd <- 03 PCI: 00:04.0 cmd <- 02 PCI: 00:08.0 cmd <- 06 PCI: 00:14.0 subsystem <- 8086/9d2f PCI: 00:14.0 cmd <- 02 PCI: 00:14.2 subsystem <- 8086/9d31 PCI: 00:14.2 cmd <- 02 PCI: 00:15.0 subsystem <- 8086/9d60 PCI: 00:15.0 cmd <- 06 PCI: 00:15.1 subsystem <- 8086/9d61 PCI: 00:15.1 cmd <- 06 PCI: 00:16.0 subsystem <- 8086/9d3a PCI: 00:16.0 cmd <- 02 PCI: 00:19.0 subsystem <- 8086/9d66 PCI: 00:19.0 cmd <- 06 PCI: 00:19.1 subsystem <- 8086/9d65 PCI: 00:19.1 cmd <- 06 PCI: 00:1c.0 bridge ctrl <- 0003 PCI: 00:1c.0 subsystem <- 8086/9d10 PCI: 00:1c.0 cmd <- 06 PCI: 00:1e.0 subsystem <- 8086/9d27 PCI: 00:1e.0 cmd <- 06 PCI: 00:1e.2 subsystem <- 8086/9d29 PCI: 00:1e.2 cmd <- 06 PCI: 00:1e.4 subsystem <- 8086/9d2b PCI: 00:1e.4 cmd <- 06 PCI: 00:1e.6 subsystem <- 8086/9d2d PCI: 00:1e.6 cmd <- 06 PCI: 00:1f.0 subsystem <- 8086/9d4b PCI: 00:1f.0 cmd <- 407 PCI: 00:1f.2 subsystem <- 8086/9d21 PCI: 00:1f.2 cmd <- 02 PCI: 00:1f.3 subsystem <- 8086/9d71 PCI: 00:1f.3 cmd <- 02 PCI: 00:1f.4 subsystem <- 8086/9d23 PCI: 00:1f.4 cmd <- 03 PCI: 00:1f.5 subsystem <- 8086/9d24 PCI: 00:1f.5 cmd <- 406 PCI: 01:00.0 subsystem <- 8086/095a PCI: 01:00.0 cmd <- 02 done. ME: Version : 11.8.50.3470 BS: BS_DEV_ENABLE times (us): entry 230 run 139279 exit 19605 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 30836 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 6983 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2249 usecs PCI: 00:04.0 init ... PCI: 00:04.0 init finished in 2249 usecs PCI: 00:08.0 init ... PCI: 00:08.0 init finished in 2248 usecs PCI: 00:14.0 init ... PCI: 00:14.0 init finished in 2248 usecs PCI: 00:14.2 init ... PCI: 00:14.2 init finished in 2249 usecs PCI: 00:15.0 init ... DW I2C bus 0 at 0xd1132000 (400 KHz) PCI: 00:15.0 init finished in 5966 usecs PCI: 00:15.1 init ... DW I2C bus 1 at 0xd1133000 (400 KHz) PCI: 00:15.1 init finished in 5965 usecs PCI: 00:16.0 init ... PCI: 00:16.0 init finished in 2247 usecs PCI: 00:19.1 init ... DW I2C bus 5 at 0xd1136000 (400 KHz) PCI: 00:19.1 init finished in 5967 usecs PCI: 00:1c.0 init ... Initializing PCH PCIe bridge. PCI: 00:1c.0 init finished in 5288 usecs PCI: 00:1e.4 init ... PCI: 00:1e.4 init finished in 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 23475 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 23809 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 2382 usecs PNP: 0c09.0 init ... Google Chrome EC: Hello got back 11223344 status (0) Google Chrome EC: version: ro: rammus_v2.0.387-f0df0fe2e rw: rammus_v2.0.427-c38dc837e running image: 1 EC returned error result code 1 PNP: 0c09.0 init finished in 24485 usecs Devices initialized Show all devs... After init. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 0 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 01:5c: enabled 1 I2C: 02:15: enabled 1 I2C: 03:39: enabled 1 I2C: 03:3a: enabled 1 I2C: 03:1a: enabled 1 PCI: 01:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 02: enabled 1 APIC: 03: enabled 1 PCI: 00:04.0: enabled 1 PCI: 00:08.0: enabled 1 FMAP: area RW_ELOG found @ 9f0000 (16384 bytes) ELOG: NV offset 0x9f0000 size 0x4000 ELOG: area is 4096 bytes, full threshold 3842, shrink size 1024 ELOG: Event(17) added with size 13 at 2022-08-16 23:40:48 UTC POST: Unexpected post code in previous boot: 0x34 ELOG: Event(A3) added with size 11 at 2022-08-16 23:40:48 UTC ELOG: Event(A6) added with size 13 at 2022-08-16 23:40:48 UTC ELOG: Event(92) added with size 9 at 2022-08-16 23:40:48 UTC ELOG: Event(9A) added with size 9 at 2022-08-16 23:40:48 UTC ELOG: Event(AD) added with size 10 at 2022-08-16 23:40:48 UTC ELOG: Event(9F) added with size 14 at 2022-08-16 23:40:48 UTC BS: BS_DEV_INIT times (us): entry 0 run 417005 exit 66302 ELOG: Event(A1) added with size 10 at 2022-08-16 23:40:48 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2022-08-16 23:40:48 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 25563 run 3968 exit 5211 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 ddc9 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 533879 exit 146827 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 : 0x00084004 ME: Host Firmware Status Register 5 : 0x00000000 ME: Host Firmware Status Register 6 : 0x40000002 ME: FW Partition Table : OK ME: Bringup Loader Failure : NO ME: Firmware Init Complete : YES ME: Manufacturing Mode : NO ME: Boot Options Present : NO ME: Update In Progress : NO ME: D3 Support : NO ME: D0i3 Support : YES ME: Low Power State Enabled : YES ME: CPU Replaced : NO ME: CPU Replacement Valid : YES ME: Current Working State : Normal ME: Current Operation State : M0 with UMA ME: Current Operation Mode : Normal ME: Error Code : No Error ME: Progress Phase : Host Communication ME: Power Management Event : Power cycle reset through Moff ME: Progress Phase State : Host communication established ME: Power Down Mitigation : NO ME: FPF status : fused Clearing MCA. Finalizing SMM. BS: BS_PAYLOAD_LOAD times (us): entry 603 run 261831 exit 135648 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 7055392/tftp-deploy-p__kqu7x/kernel/bzImage 7055392/tftp-deploy-p__kqu7x/kernel/cmdline 7055392/tftp-deploy-p__kqu7x/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 7055392/tftp-deploy-p__kqu7x/kernel/bzImaoy-p__kqu7x/kernel/cmdline 7055392/tftp-deploy-p__kqu7x/ramdisk/ramdisk.cpio.gz Waiting for link R8152: Initializing Version 9 (ocp_data = 6010) R8152: Done initializing Adding net device done. MAC: 00:e0:4c:68:04:98 Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.14 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 7055392/tftp-deploy-p__kqu7x/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 13099008 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: 7055392/tftp-deploy-p__kqu7x/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/7055392/extract-nfsrootfs-qonr69ws,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: 31817274 Starting kernel ... [ 0.000000] Linux version 5.10.131-cip13 (KernelCI@build-j52215-x86-64-gcc-10-x86-64-defconfig-x86-chromebookc82hg) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Tue Aug 16 23:35:00 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/7055392/extract-nfsrootfs-qonr69ws,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 [ 0.001370] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.007066] last_pfn = 0x7a998 max_arch_pfn = 0x400000000 [ 0.024833] check: Scanning 1 areas for low memory corruption [ 0.024846] Using GB pages for direct mapping [ 0.025441] RAMDISK: [mem 0x377e2000-0x37ffffff] [ 0.025449] ACPI: Early table checksum verification disabled [ 0.025457] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) [ 0.025472] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.025489] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.025506] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531) [ 0.025520] ACPI: FACS 0x000000007AA9A240 000040 [ 0.025532] ACPI: FACS 0x000000007AA9A240 000040 [ 0.025544] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE COREBOOT 0000002A CORE 0000002A) [ 0.025557] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.025570] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.025583] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE COREBOOT 00000000 CORE 00000000) [ 0.025595] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS 00000000 CORE 00000000) [ 0.025608] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.025621] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE COREBOOT 00000000 CORE 00000000) [ 0.025634] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.025647] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63] [ 0.025653] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962] [ 0.025658] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.025663] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.025668] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969] [ 0.025673] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab] [ 0.025678] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef] [ 0.025683] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b] [ 0.025688] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b] [ 0.025693] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607] [ 0.025699] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670] [ 0.025704] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7] [ 0.025847] No NUMA configuration found [ 0.025853] Faking a node at [mem 0x0000000000000000-0x000000017effffff] [ 0.025863] NODE_DATA(0) allocated [mem 0x17effc000-0x17effffff] [ 0.025910] Zone ranges: [ 0.025915] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.025923] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.025931] Normal [mem 0x0000000100000000-0x000000017effffff] [ 0.025939] Movable zone start for each node [ 0.025944] Early memory node ranges [ 0.025950] node 0: [mem 0x0000000000001000-0x000000000009ffff] [ 0.025955] node 0: [mem 0x0000000000100000-0x000000007a997fff] [ 0.025961] node 0: [mem 0x0000000100000000-0x000000017effffff] [ 0.025967] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff] [ 0.026005] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.026054] On node 0, zone DMA: 96 pages in unavailable ranges [ 0.037635] On node 0, zone Normal: 22120 pages in unavailable ranges [ 0.037706] On node 0, zone Normal: 4096 pages in unavailable ranges [ 0.037733] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] [ 0.038256] ACPI: PM-Timer IO Port: 0x1808 [ 0.038311] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 [ 0.038324] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.038330] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.038344] Using ACPI (MADT) for SMP configuration information [ 0.038350] ACPI: HPET id: 0x8086a701 base: 0xfed00000 [ 0.038358] TSC deadline timer available [ 0.038363] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.038392] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.038398] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] [ 0.038404] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff] [ 0.038409] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] [ 0.038413] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff] [ 0.038417] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff] [ 0.038422] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff] [ 0.038426] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff] [ 0.038431] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff] [ 0.038435] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff] [ 0.038439] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff] [ 0.038444] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff] [ 0.038448] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff] [ 0.038452] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff] [ 0.038457] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff] [ 0.038465] [mem 0x80000000-0xdfffffff] available for PCI devices [ 0.038473] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.052925] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 [ 0.053215] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 [ 0.053286] Built 1 zonelists, mobility grouping on. Total pages: 1006266 [ 0.053291] Policy zone: Normal [ 0.053305] 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/7055392/extract-nfsrootfs-qonr69ws,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.053846] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.054106] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.054193] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.076420] Memory: 3892576K/4089052K available (18450K kernel code, 3458K rwdata, 5992K rodata, 1688K init, 11616K bss, 196216K reserved, 0K cma-reserved) [ 0.076572] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.076628] Kernel/User page tables isolation: enabled [ 0.076725] ftrace: allocating 52718 entries in 206 pages [ 0.116641] ftrace: allocated 206 pages with 5 groups [ 0.116957] Running RCU self tests [ 0.116975] rcu: Hierarchical RCU implementation. [ 0.116979] rcu: RCU event tracing is enabled. [ 0.116984] rcu: RCU lockdep checking is enabled. [ 0.116990] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. [ 0.116995] Rude variant of Tasks RCU enabled. [ 0.116999] Tracing variant of Tasks RCU enabled. [ 0.117005] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.117010] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.127509] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 [ 0.128025] random: crng init done [ 0.128131] Console: colour dummy device 80x25 [ 0.203397] printk: console [ttyS0] enabled [ 0.203766] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.204429] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.204790] ... MAX_LOCK_DEPTH: 48 [ 0.205157] ... MAX_LOCKDEP_KEYS: 8192 [ 0.205539] ... CLASSHASH_SIZE: 4096 [ 0.205921] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.206310] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.206700] ... CHAINHASH_SIZE: 32768 [ 0.207089] memory used by lock dependency info: 6365 kB [ 0.207557] memory used for stack traces: 4224 kB [ 0.207976] per task-struct memory footprint: 1920 bytes [ 0.208499] ACPI: Core revision 20200925 [ 0.209090] hpet: HPET dysfunctional in PC10. Force disabled. [ 0.209590] APIC: Switch to symmetric I/O mode setup [ 0.214089] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns [ 0.215009] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960) [ 0.215918] pid_max: default: 32768 minimum: 301 [ 0.215992] LSM: Security Framework initializing [ 0.215992] SELinux: Initializing. [ 0.215992] LSM support for eBPF active [ 0.215992] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.215992] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.215992] mce: CPU0: Thermal monitoring enabled (TM1) [ 0.215992] process: using mwait in idle threads [ 0.215992] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 0.215992] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 0.215992] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.215992] Spectre V2 : Mitigation: Retpolines [ 0.215992] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.215992] Spectre V2 : Enabling Restricted Speculation for firmware calls [ 0.215992] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 0.215992] Spectre V2 : User space: Mitigation: STIBP via seccomp and prctl [ 0.215992] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp [ 0.215992] MDS: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.215992] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.215992] SRBDS: Vulnerable: No microcode [ 0.215992] Freeing SMP alternatives memory: 44K [ 0.215992] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9) [ 0.216751] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver. [ 0.217008] ... version: 4 [ 0.217367] ... bit width: 48 [ 0.217729] ... generic registers: 4 [ 0.217999] ... value mask: 0000ffffffffffff [ 0.218464] ... max period: 00007fffffffffff [ 0.218927] ... fixed-purpose events: 3 [ 0.218999] ... event mask: 000000070000000f [ 0.220039] rcu: Hierarchical SRCU implementation. [ 0.222739] smp: Bringing up secondary CPUs ... [ 0.223818] x86: Booting SMP configuration: [ 0.224024] .... node #0, CPUs: #1 [ 0.225429] 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. [ 0.226025] 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. [ 0.227734] #2 #3 [ 0.230367] smp: Brought up 1 node, 4 CPUs [ 0.231016] smpboot: Max logical packages: 1 [ 0.231396] smpboot: Total of 4 processors activated (12799.68 BogoMIPS) [ 0.234389] devtmpfs: initialized [ 0.235405] x86/mm: Memory block size: 128MB [ 0.240213] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.241014] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) [ 0.242117] pinctrl core: initialized pinctrl subsystem [ 0.242991] PM: RTC time: 23:41:16, date: 2022-08-16 [ 0.243656] NET: Registered protocol family 16 [ 0.244883] audit: initializing netlink subsys (disabled) [ 0.245050] audit: type=2000 audit(1660693276.030:1): state=initialized audit_enabled=0 res=1 [ 0.245871] thermal_sys: Registered thermal governor 'step_wise' [ 0.245878] thermal_sys: Registered thermal governor 'user_space' [ 0.246055] cpuidle: using governor menu [ 0.247223] ACPI: bus type PCI registered [ 0.248039] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000) [ 0.248842] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820 [ 0.249040] PCI: Using configuration type 1 for base access [ 0.277026] Kprobes globally optimized [ 0.278030] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.278030] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.279176] cryptomgr_test (39) used greatest stack depth: 14880 bytes left [ 0.283025] ACPI: Added _OSI(Module Device) [ 0.283402] ACPI: Added _OSI(Processor Device) [ 0.283794] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.284013] ACPI: Added _OSI(Processor Aggregator Device) [ 0.284488] ACPI: Added _OSI(Linux-Dell-Video) [ 0.284884] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.285002] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 0.299787] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 0.310067] ACPI: EC: EC started [ 0.310381] ACPI: EC: interrupt blocked [ 0.311586] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.312004] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions [ 0.312642] ACPI: Interpreter enabled [ 0.313048] ACPI: (supports S0 S3 S4 S5) [ 0.313400] ACPI: Using IOAPIC for interrupt routing [ 0.313925] PCI: Using host bridge windows from ACPI; if necessary, use \"pci=nocrs\" and report a bug [ 0.333370] ACPI: Power Resource [PRIC] (on) [ 0.465486] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.466011] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 0.467111] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] [ 0.467787] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge [ 0.469710] PCI host bridge to bus 0000:00 [ 0.470005] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.470595] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 0.471001] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.471650] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window] [ 0.472000] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window] [ 0.472646] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window] [ 0.474001] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window] [ 0.474648] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window] [ 0.475000] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window] [ 0.475646] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window] [ 0.476000] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window] [ 0.476646] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window] [ 0.478001] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window] [ 0.478647] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window] [ 0.479000] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window] [ 0.479646] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window] [ 0.480001] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window] [ 0.480647] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window] [ 0.482001] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window] [ 0.482647] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window] [ 0.483001] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.483575] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000 [ 0.485158] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000 [ 0.485708] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit] [ 0.486016] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref] [ 0.486652] pci 0000:00:02.0: reg 0x20: [io 0x1c00-0x1c3f] [ 0.487771] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000 [ 0.489029] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit] [ 0.490508] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000 [ 0.491028] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit] [ 0.492404] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330 [ 0.492961] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit] [ 0.493161] pci 0000:00:14.0: PME# supported from D3hot D3cold [ 0.494541] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000 [ 0.495041] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit] [ 0.496424] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000 [ 0.496988] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit] [ 0.498941] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000 [ 0.499049] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit] [ 0.500614] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000 [ 0.501049] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit] [ 0.501661] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit] [ 0.503929] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000 [ 0.504049] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit] [ 0.505615] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400 [ 0.506224] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold [ 0.507649] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000 [ 0.508049] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit] [ 0.509586] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000 [ 0.511057] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit] [ 0.512594] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501 [ 0.513043] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit] [ 0.514692] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501 [ 0.515043] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit] [ 0.516546] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100 [ 0.517901] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000 [ 0.518034] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff] [ 0.519453] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100 [ 0.520027] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit] [ 0.520670] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit] [ 0.522120] pci 0000:00:1f.3: PME# supported from D3hot D3cold [ 0.523508] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500 [ 0.524067] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit] [ 0.524725] pci 0000:00:1f.4: reg 0x20: [io 0xefa0-0xefbf] [ 0.525845] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000 [ 0.526034] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff] [ 0.528209] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 [ 0.529302] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit] [ 0.532466] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold [ 0.536024] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 0.536478] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 0.538493] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.539314] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15) [ 0.540229] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.541173] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.542113] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.543050] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.543985] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.544923] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.551488] ACPI: EC: interrupt unblocked [ 0.551859] ACPI: EC: event unblocked [ 0.553001] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.553452] ACPI: EC: GPE=0x6e [ 0.553737] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete [ 0.554017] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events [ 0.555214] iommu: Default domain type: Translated [ 0.556216] pci 0000:00:02.0: vgaarb: setting as boot VGA device [ 0.556622] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.557033] pci 0000:00:02.0: vgaarb: bridge control possible [ 0.557535] vgaarb: loaded [ 0.558407] SCSI subsystem initialized [ 0.559117] ACPI: bus type USB registered [ 0.559614] usbcore: registered new interface driver usbfs [ 0.561072] usbcore: registered new interface driver hub [ 0.561581] usbcore: registered new device driver usb [ 0.562140] pps_core: LinuxPPS API ver. 1 registered [ 0.562576] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.563011] PTP clock support registered [ 0.564156] Advanced Linux Sound Architecture Driver Initialized. [ 0.565068] NetLabel: Initializing [ 0.565376] NetLabel: domain hash size = 128 [ 0.565760] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.567080] NetLabel: unlabeled traffic allowed by default [ 0.567672] PCI: Using ACPI for IRQ routing [ 0.575994] clocksource: Switched to clocksource tsc-early [ 1.016581] VFS: Disk quotas dquot_6.6.0 [ 1.016988] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 1.018063] pnp: PnP ACPI init [ 1.019271] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved [ 1.019853] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved [ 1.020449] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved [ 1.021040] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved [ 1.021618] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved [ 1.022210] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved [ 1.022816] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved [ 1.023436] system 00:00: [mem 0xff000000-0xffffffff] has been reserved [ 1.024026] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved [ 1.024604] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved [ 1.026242] system 00:01: [io 0x1800-0x18fe] has been reserved [ 1.027223] system 00:03: [io 0x0900-0x09fe] has been reserved [ 1.028047] system 00:04: [io 0x0200] has been reserved [ 1.028518] system 00:04: [io 0x0204] has been reserved [ 1.028987] system 00:04: [io 0x0800-0x087f] has been reserved [ 1.029522] system 00:04: [io 0x0880-0x08ff] has been reserved [ 1.032748] pnp: PnP ACPI: found 6 devices [ 1.049852] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 1.050759] NET: Registered protocol family 2 [ 1.051340] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 1.053862] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) [ 1.054863] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) [ 1.055819] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) [ 1.058728] TCP: Hash tables configured (established 32768 bind 32768) [ 1.059666] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) [ 1.060665] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.061580] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.062660] NET: Registered protocol family 1 [ 1.063817] RPC: Registered named UNIX socket transport module. [ 1.064387] RPC: Registered udp transport module. [ 1.064804] RPC: Registered tcp transport module. [ 1.065231] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 1.066416] NET: Registered protocol family 44 [ 1.066831] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 1.067311] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 1.067913] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 1.068464] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 1.069082] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 1.069678] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window] [ 1.070287] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window] [ 1.070883] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window] [ 1.071489] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window] [ 1.072105] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window] [ 1.072707] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window] [ 1.073320] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window] [ 1.073922] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window] [ 1.074576] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window] [ 1.075193] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window] [ 1.075796] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window] [ 1.076409] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window] [ 1.077025] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window] [ 1.077627] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window] [ 1.078241] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window] [ 1.078858] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window] [ 1.079472] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window] [ 1.080088] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff] [ 1.081184] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 1.084215] PCI: CLS 64 bytes, default 64 [ 1.084977] Unpacking initramfs... [ 1.432819] Freeing initrd memory: 8312K [ 1.433336] DMAR: Host address width 39 [ 1.433714] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 [ 1.434265] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e [ 1.434992] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff [ 1.435555] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 [ 1.436149] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da [ 1.436937] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.437525] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB) [ 1.438464] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer [ 1.439168] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules [ 1.439670] RAPL PMU: hw unit of domain package 2^-14 Joules [ 1.440181] RAPL PMU: hw unit of domain dram 2^-14 Joules [ 1.440654] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules [ 1.441163] RAPL PMU: hw unit of domain psys 2^-14 Joules [ 1.443670] kvm: already loaded the other module [ 1.459444] check: Scanning for low memory corruption every 60 seconds [ 1.463689] Initialise system trusted keyrings [ 1.464376] workingset: timestamp_bits=56 max_order=20 bucket_order=0 [ 1.487461] NFS: Registering the id_resolver key type [ 1.487947] Key type id_resolver registered [ 1.488366] Key type id_legacy registered [ 1.510701] Key type asymmetric registered [ 1.511119] Asymmetric key parser 'x509' registered [ 1.511601] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 1.512273] io scheduler mq-deadline registered [ 1.512676] io scheduler kyber registered [ 1.513304] test_firmware: interface ready [ 1.515443] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120 [ 1.517436] ACPI: AC Adapter [AC] (on-line) [ 1.518264] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0 [ 1.519989] ACPI: Lid Switch [LID0] [ 1.520625] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 [ 1.521555] ACPI: Power Button [PWRF] [ 1.522383] ACPI: \_PR_.CP00: Found 3 idle states [ 1.523621] ACPI: \_PR_.CP01: Found 3 idle states [ 1.524679] ACPI: \_PR_.CP02: Found 3 idle states [ 1.525789] ACPI: \_PR_.CP03: Found 3 idle states [ 1.527450] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.531868] hpet_acpi_add: no address or irqs in _CRS [ 1.532426] battery: ACPI: Battery Slot [BAT0] (battery present) [ 1.532605] Non-volatile memory driver v1.3 [ 1.533562] Linux agpgart interface v0.103 [ 1.536938] i915 0000:00:02.0: vgaarb: deactivate vga console [ 1.591186] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 1.592461] i915 0000:00:02.0: Direct firmware load for i915/kbl_dmc_ver1_04.bin failed with error -2 [ 1.593367] i915 0000:00:02.0: [drm] Failed to load DMC firmware i915/kbl_dmc_ver1_04.bin. Disabling runtime power management. [ 1.594566] i915 0000:00:02.0: [drm] DMC firmware homepage: https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915 [ 1.631674] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 [ 1.635742] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 [ 1.655532] loop: module loaded [ 1.656682] lkdtm: No crash points registered, enable through debugfs [ 1.682882] printk: console [ttyS0] disabled [ 1.683593] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A [ 2.486246] tsc: Refined TSC clocksource calibration: 1608.000 MHz [ 2.495709] printk: console [ttyS0] enabled [ 2.504176] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172daa3a18b, max_idle_ns: 440795212390 ns [ 2.524570] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A [ 4.916352] clocksource: Switched to clocksource tsc [ 4.916631] fbcon: i915drmfb (fb0) is primary device [ 4.919139] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO [ 4.927900] e100: Intel(R) PRO/100 Network Driver [ 4.927904] e100: Copyright(c) 1999-2006 Intel Corporation [ 4.927970] e1000: Intel(R) PRO/1000 Network Driver [ 4.927972] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 4.928092] e1000e: Intel(R) PRO/1000 Network Driver [ 4.928095] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 4.928184] sky2: driver version 1.30 [ 4.928524] usbcore: registered new interface driver r8152 [ 4.928941] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 4.928961] ehci-pci: EHCI PCI platform driver [ 4.929104] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 4.929122] ohci-pci: OHCI PCI platform driver [ 4.929188] uhci_hcd: USB Universal Host Controller Interface driver [ 4.929873] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2 [ 4.930456] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 4.931312] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 [ 4.932662] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 [ 4.932708] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported [ 4.934639] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 4.934656] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.934661] usb usb1: Product: xHCI Host Controller [ 4.934664] usb usb1: Manufacturer: Linux 5.10.131-cip13 xhci-hcd [ 4.934668] usb usb1: SerialNumber: 0000:00:14.0 [ 4.936341] hub 1-0:1.0: USB hub found [ 4.936501] hub 1-0:1.0: 12 ports detected [ 4.940341] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 4.940914] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 [ 4.940930] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed [ 4.941389] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 [ 4.941398] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.941402] usb usb2: Product: xHCI Host Controller [ 4.941405] usb usb2: Manufacturer: Linux 5.10.131-cip13 xhci-hcd [ 4.941409] usb usb2: SerialNumber: 0000:00:14.0 [ 4.942883] hub 2-0:1.0: USB hub found [ 4.943031] hub 2-0:1.0: 6 ports detected [ 4.945079] usbcore: registered new interface driver usblp [ 4.945147] usbcore: registered new interface driver usb-storage [ 4.945599] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers [ 4.945744] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 [ 4.945748] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp [ 4.946486] i8042: Warning: Keylock active [ 4.946729] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 4.948625] rtc_cmos 00:02: RTC can wake from S4 [ 4.951238] Console: switching to colour frame buffer device 240x67 [ 4.951503] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 [ 4.952394] rtc_cmos 00:02: registered as rtc0 [ 4.952767] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram [ 4.954081] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0) [ 4.954508] i801_smbus 0000:00:1f.4: SPD Write Disable is set [ 4.954592] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt [ 4.955985] i2c i2c-9: 2/2 memory slots populated (from DMI) [ 4.958487] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com [ 4.958557] intel_pstate: Intel P-state driver initializing [ 4.960080] intel_pstate: HWP enabled [ 4.960125] sdhci: Secure Digital Host Controller Interface driver [ 4.960127] sdhci: Copyright(c) Pierre Ossman [ 4.960170] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21) [ 4.961680] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit [ 4.961926] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 4.963954] hid: raw HID events driver (C) Jiri Kosina [ 4.969142] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device [ 4.975448] usbcore: registered new interface driver usbhid [ 5.177054] usb 1-3: new full-speed USB device number 2 using xhci_hcd [ 5.182090] usbhid: USB HID core driver [ 5.314367] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 [ 5.315912] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3 [ 5.321593] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 5.427156] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.436282] cros_ec_lpcs GOOG0004:00: Chrome EC device registered [ 5.450909] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 [ 5.454699] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100 [ 5.462807] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6 [ 5.462809] usb 2-3: Product: USB 10/100/1000 LAN [ 5.462811] usb 2-3: Manufacturer: Realtek [ 5.462813] usb 2-3: SerialNumber: 001000001 [ 5.497288] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 5.503770] gre: GRE over IPv4 demultiplexor driver [ 5.509244] ip_gre: GRE over IPv4 tunneling driver [ 5.515562] IPv4 over IPsec tunneling driver [ 5.520623] Initializing XFRM netlink socket [ 5.525908] NET: Registered protocol family 10 [ 5.531828] Segment Routing with IPv6 [ 5.536655] ip6_gre: GRE over IPv6 tunneling driver [ 5.542398] NET: Registered protocol family 17 [ 5.547502] Key type dns_resolver registered [ 5.552983] microcode: sig=0x806e9, pf=0x10, revision=0x98 [ 5.554731] tpm_tis_spi spi-PRP0001:00: Cr50 firmware version: B2-C:0 RO_A:0.0.10/29d77172 RW_B:0.3.15/cr50_v1.9308_87_mp.224-6 [ 5.572076] usb 1-9: new high-speed USB device number 3 using xhci_hcd [ 5.572219] microcode: Microcode Update Driver: v2.2. [ 5.579407] IPI shorthand broadcast: enabled [ 5.589984] sched_clock: Marking stable (5502900320, 87005428)->(5604232130, -14326382) [ 5.590030] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) [ 5.599705] mmc0: new HS400 MMC card at address 0001 [ 5.614387] registered taskstats version 1 [ 5.614819] mmcblk0: mmc0:0001 DA4064 58.2 GiB [ 5.618980] Loading compiled-in X.509 certificates [ 5.621344] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.623248] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up [ 5.624230] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB [ 5.631022] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.637795] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB [ 5.646168] PM: Magic number: 2:788:706 [ 5.660876] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (246:0) [ 5.679333] printk: console [netcon0] enabled [ 5.684225] netconsole: network logging started [ 5.697617] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 [ 5.707717] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.759086] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07 [ 5.768252] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2 [ 5.776243] usb 1-9: Product: USB2.0 HD UVC WebCam [ 5.781629] usb 1-9: Manufacturer: Azurewave [ 5.786411] usb 1-9: SerialNumber: 0x0001 [ 5.794677] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.847271] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.873557] r8152 2-3:1.0: Direct firmware load for rtl_nic/rtl8153b-2.fw failed with error -2 [ 5.883341] r8152 2-3:1.0: unable to load firmware patch rtl_nic/rtl8153b-2.fw (-2) [ 5.923714] r8152 2-3:1.0 eth0: v1.11.11 [ 5.928878] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.929527] IP-Config: Failed to open gretap0 [ 5.942151] IP-Config: Failed to open erspan0 [ 5.965298] Sending DHCP requests . [ 7.514063] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 7.525624] r8152 2-3:1.0 eth0: carrier on [ 8.461155] ., OK [ 8.469415] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.14 [ 8.478399] IP-Config: Complete: [ 8.482028] device=eth0, hwaddr=00:e0:4c:68:04:98, ipaddr=192.168.201.14, mask=255.255.255.0, gw=192.168.201.1 [ 8.493715] host=asus-C433TA-AJ0005-rammus-cbg-4, domain=lab-rack-1, nis-domain=(none) [ 8.503067] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= [ 8.503069] nameserver0=192.168.201.1 [ 8.515884] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 8.527231] modprobe (102) used greatest stack depth: 14208 bytes left [ 8.530109] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 8.542112] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 8.543124] ALSA device list: [ 8.551787] cfg80211: failed to load regulatory.db [ 8.555141] No soundcards found. [ 8.564630] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console [ 8.574123] Freeing unused kernel image (initmem) memory: 1688K [ 8.591284] Write protecting the kernel read-only data: 26624k [ 8.598894] Freeing unused kernel image (text/rodata gap) memory: 2028K [ 8.606536] Freeing unused kernel image (rodata/data gap) memory: 152K [ 8.613887] Run /init as init process [ 8.622359] cat (112) used greatest stack depth: 13928 bytes left Loading, please wait... Starting version 247.3-7 [ 8.639594] systemd-udevd (124) used greatest stack depth: 13576 bytes left [ 8.802878] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. [ 8.812130] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.838825] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.885066] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.895466] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.905450] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.926097] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.939060] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.948955] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.959420] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) 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:68:04:98 mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.14 broadcast: 192.168.201.255 netmask: 255.255.255.0 gateway: 192.168.201.1 dns0 : 192.168.201.1 dns1 : 0.0.0.0 host : asus-C433TA-AJ0005-rammus-cbg-4 domain : lab-rack-1 rootserver: 192.168.201.1 rootpath: filename : [ 9.123852] 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 [ 10.382741] 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) [ 10.420302] systemd[1]: Detected architecture x86-64. Welcome to [1mDebian GNU/Linux 11 (bullseye)[0m! [ 10.451987] systemd[1]: Set hostname to . [ 11.023969] systemd[1]: Queued start job for default target Graphical Interface. [ 11.035746] systemd[1]: Created slice system-getty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-getty.slice[0m. [ 11.051659] systemd[1]: Created slice system-modprobe.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-modprobe.slice[0m. [ 11.067660] systemd[1]: Created slice system-serial\x2dgetty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-serial\x2dgetty.slice[0m. [ 11.084604] systemd[1]: Created slice User and Session Slice. [[0;32m OK [0m] Created slice [0;1;39mUser and Session Slice[0m. [ 11.100569] 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. [ 11.119531] 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. [ 11.141113] 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. [ 11.161391] systemd[1]: Reached target Local Encrypted Volumes. [[0;32m OK [0m] Reached target [0;1;39mLocal Encrypted Volumes[0m. [ 11.177322] systemd[1]: Reached target Paths. [[0;32m OK [0m] Reached target [0;1;39mPaths[0m. [ 11.188272] systemd[1]: Reached target Remote File Systems. [[0;32m OK [0m] Reached target [0;1;39mRemote File Systems[0m. [ 11.204345] systemd[1]: Reached target Slices. [[0;32m OK [0m] Reached target [0;1;39mSlices[0m. [ 11.215255] systemd[1]: Reached target Swap. [[0;32m OK [0m] Reached target [0;1;39mSwap[0m. [ 11.226574] systemd[1]: Listening on initctl Compatibility Named Pipe. [[0;32m OK [0m] Listening on [0;1;39minitctl Compatibility Named Pipe[0m. [ 11.244260] systemd[1]: Listening on Journal Audit Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Audit Socket[0m. [ 11.261409] systemd[1]: Listening on Journal Socket (/dev/log). [[0;32m OK [0m] Listening on [0;1;39mJournal Socket (/dev/log)[0m. [ 11.277760] systemd[1]: Listening on Journal Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Socket[0m. [ 11.293122] systemd[1]: Listening on Network Service Netlink Socket. [[0;32m OK [0m] Listening on [0;1;39mNetwork Service Netlink Socket[0m. [ 11.311381] systemd[1]: Listening on udev Control Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Control Socket[0m. [ 11.327665] systemd[1]: Listening on udev Kernel Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Kernel Socket[0m. [ 11.345042] systemd[1]: Mounting Huge Pages File System... Mounting [0;1;39mHuge Pages File System[0m... [ 11.358471] systemd[1]: Mounting POSIX Message Queue File System... Mounting [0;1;39mPOSIX Message Queue File System[0m... [ 11.375613] systemd[1]: Mounting Kernel Debug File System... Mounting [0;1;39mKernel Debug File System[0m... [ 11.389395] systemd[1]: Mounting Kernel Trace File System... Mounting [0;1;39mKernel Trace File System[0m... [ 11.406245] 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... [ 11.426456] systemd[1]: Starting Load Kernel Module configfs... Starting [0;1;39mLoad Kernel Module configfs[0m... [ 11.442012] systemd[1]: Starting Load Kernel Module drm... Starting [0;1;39mLoad Kernel Module drm[0m... [ 11.456699] systemd[1]: Starting Load Kernel Module fuse... Starting [0;1;39mLoad Kernel Module fuse[0m... [ 11.493019] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 11.503564] fuse: init (API version 7.32) [ 11.509651] systemd[1]: Starting Journal Service... Starting [0;1;39mJournal Service[0m... [ 11.525293] systemd[1]: Starting Load Kernel Modules... Starting [0;1;39mLoad Kernel Modules[0m... [ 11.538637] systemd[1]: Starting Remount Root and Kernel File Systems... Starting [0;1;39mRemount Root and Kernel File Systems[0m... [ 11.556892] systemd[1]: Starting Coldplug All udev Devices... Starting [0;1;39mColdplug All udev Devices[0m... [ 11.573906] systemd[1]: Mounted Huge Pages File System. [[0;32m OK [0m] Mounted [0;1;39mHuge Pages File System[0m. [ 11.589423] systemd[1]: Mounted POSIX Message Queue File System. [[0;32m OK [0m] Mounted [0;1;39mPOSIX Message Queue File System[0m. [ 11.605378] systemd[1]: Mounted Kernel Debug File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Debug File System[0m. [ 11.620374] systemd[1]: Mounted Kernel Trace File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Trace File System[0m. [ 11.636764] 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. [ 11.658941] systemd[1]: modprobe@configfs.service: Succeeded. [ 11.665973] systemd[1]: Finished Load Kernel Module configfs. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module configfs[0m. [ 11.682291] 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... [ 11.792006] systemd-journald[196]: 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;39mCreate System Users[0m. Starting [0;1;39mCreate Static Device Nodes in /dev[0m... [[0;32m OK [0m] Finished [0;1;39mFlush Journal to Persistent Storage[0m. [ 13.289832] systemd-tmpfile (208) 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] 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] 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] Started [0;1;39mNetwork Service[0m. Starting [0;1;39mNetwork Name Resolution[0m... [[0;32m OK [0m] Finished [0;1;39mLoad/Save Screen … of backlight:intel_backlight[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 5.10.131-cip13 #1 SMP Tue Aug 16 23:35:00 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/7055392/extract-nfsrootfs-qonr69ws' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/7055392/extract-nfsrootfs-qonr69ws' / # 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-7055392/environment . /lava-7055392/environment / # /lava-7055392/bin/lava-test-runner /lava-7055392/0 /lava-7055392/bin/lava-test-runner /lava-7055392/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-7055392/0/tests/0_timesync-off ++ cat uuid + UUID=7055392_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-7055392/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=7055392_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/v5.10.131-cip13-49-g1145e9c6352e6/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-7055392/0/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. --2022-08-16 23:42:28-- http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.131-cip13-49-g1145e9c6352e6/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: 3574944 (3.4M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 50.15K 177KB/s kselftest.tar.xz 6%[> ] 214.67K 378KB/s kselftest.tar.xz 23%[===> ] 816.57K 781KB/s kselftest.tar.xz 68%[============> ] 2.34M 1.82MB/s kselftest.tar.xz 99%[==================> ] 3.39M 2.28MB/s kselftest.tar.xz 100%[===================>] 3.41M 2.30MB/s in 1.5s 2022-08-16 23:42:30 (2.30 MB/s) - 'kselftest.tar.xz' saved [3574944/3574944] 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 ======================================== [ 84.065275] 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 [ 84.282471] lkdtm: Performing direct entry BUG [ 84.287575] ------------[ cut here ]------------ [ 84.293025] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 84.298965] invalid opcode: 0000 [#1] SMP PTI [ 84.303829] CPU: 0 PID: 717 Comm: cat Not tainted 5.10.131-cip13 #1 [ 84.310829] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 84.317638] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 84.322021] Code: 59 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 1b 70 02 [ 84.343001] RSP: 0018:ffffa98a413f7e60 EFLAGS: 00010286 [ 84.348836] RAX: ffffffff99eb1930 RBX: 0000000000000001 RCX: 0000000000000000 [ 84.356807] RDX: 0000000000000000 RSI: ffff8ff0bac1bf70 RDI: ffffffff9aad9a70 [ 84.364781] RBP: ffffffff9af1b680 R08: 0000000000000001 R09: 0000000000000001 [ 84.372751] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 84.380723] R13: ffffa98a413f7f10 R14: ffffa98a413f7f10 R15: ffff8ff0465ad000 [ 84.388695] FS: 00007fd7ffbbf580(0000) GS:ffff8ff0bac00000(0000) knlGS:0000000000000000 [ 84.397735] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 84.404151] CR2: 00007fd7ff9d8000 CR3: 0000000102776004 CR4: 00000000003706f0 [ 84.412121] Call Trace: [ 84.414850] direct_entry.cold+0x2c/0x38 [ 84.419237] full_proxy_write+0x56/0x80 [ 84.423515] vfs_write+0xea/0x390 [ 84.427213] ksys_write+0x68/0xe0 [ 84.430904] do_syscall_64+0x33/0x40 [ 84.434896] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 84.440538] RIP: 0033:0x7fd7ffae7f33 [ 84.444518] 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 [ 84.465506] RSP: 002b:00007ffe7b0adba8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 84.473964] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fd7ffae7f33 [ 84.481935] RDX: 0000000000000004 RSI: 00007fd7ff9d8000 RDI: 0000000000000001 [ 84.489906] RBP: 00007fd7ff9d8000 R08: 00007fd7ff9d7010 R09: 0000000000000000 [ 84.497878] R10: 00007fd7ffbe21c0 R11: 0000000000000246 R12: 0000000000000001 [ 84.505849] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 84.513823] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 84.540296] ---[ end trace 3f56960d4fcd6e1a ]--- [ 84.545523] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 84.549929] Code: 59 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 1b 70 02 [ 84.570971] RSP: 0018:ffffa98a413f7e60 EFLAGS: 00010286 [ 84.576827] RAX: ffffffff99eb1930 RBX: 0000000000000001 RCX: 0000000000000000 [ 84.584826] RDX: 0000000000000000 RSI: ffff8ff0bac1bf70 RDI: ffffffff9aad9a70 [ 84.592808] RBP: ffffffff9af1b680 R08: 0000000000000001 R09: 0000000000000001 [ 84.600815] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 84.608804] R13: ffffa98a413f7f10 R14: ffffa98a413f7f10 R15: ffff8ff0465ad000 [ 84.616807] FS: 00007fd7ffbbf580(0000) GS:ffff8ff0bac00000(0000) knlGS:0000000000000000 [ 84.625865] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 84.632329] CR2: 00007fd7ff9d8000 CR3: 0000000102776004 CR4: 00000000003706f0 # Segmentation fault # [ 84.282471] lkdtm: Performing direct entry BUG # [ 84.287575] ------------[ cut here ]------------ # [ 84.293025] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 84.298965] invalid opcode: 0000 [#1] SMP PTI # [ 84.303829] CPU: 0 PID: 717 Comm: cat Not tainted 5.10.131-cip13 #1 # [ 84.310829] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 84.317638] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 84.322021] Code: 59 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 1b 70 02 # [ 84.343001] RSP: 0018:ffffa98a413f7e60 EFLAGS: 00010286 # [ 84[ 84.750963] lkdtm: Performing direct entry WARNING [ 84.757626] ------------[ cut here ]------------ [ 84.762802] WARNING: CPU: 3 PID: 753 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0xf/0x20 [ 84.772149] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 84.798602] CPU: 3 PID: 753 Comm: cat Tainted: G D 5.10.131-cip13 #1 [ 84.807191] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 84.814002] RIP: 0010:lkdtm_WARNING+0xf/0x20 .348836] RAX: ffffffff99eb1930 RBX: 0000000000000001 RCX: 000000[ 84.818798] 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 1b 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 [ 84.845989] RSP: 0018:ffffa98a41497e60 EFLAGS: 00010202 [ 84.851827] RAX: ffffffff99eb1940 RBX: 0000000000000002 RCX: 0000000000000000 [ 84.859801] RDX: 0000000000000000 RSI: ffff8ff0bad9bf70 RDI: ffffffff9aad9a80 [ 84.867775] RBP: ffffffff9aec024f R08: 0000000000000000 R09: 0000000000000000 [ 84.875748] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 [ 84.883722] R13: ffffa98a41497f10 R14: ffffa98a41497f10 R15: ffff8ff04296d000 [ 84.891695] FS: 00007fd896225580(0000) GS:ffff8ff0bad80000(0000) knlGS:0000000000000000 [ 84.900734] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 84.907153] CR2: 00007fd89603e000 CR3: 0000000106766003 CR4: 00000000003706e0 [ 84.915126] Call Trace: [ 84.917857] direct_entry.cold+0x2c/0x38 [ 84.922267] full_proxy_write+0x56/0x80 [ 84.926580] vfs_write+0xea/0x390 0000000000 # [ 84.356807] RDX: 0000000000000000 RSI: ffff8ff0[ 84.930284] ksys_write+0x68/0xe0 bac1bf70 RDI: ffffffff9aad9a70 # [ 84.364781] RBP: ffffffff9a[ 84.940202] do_syscall_64+0x33/0x40 [ 84.950412] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 84.956095] RIP: 0033:0x7fd89614df33 [ 84.960087] 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 [ 84.981080] RSP: 002b:00007ffde7157388 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 84.989546] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007fd89614df33 [ 84.997551] RDX: 0000000000000008 RSI: 00007fd89603e000 RDI: 0000000000000001 [ 85.005524] RBP: 00007fd89603e000 R08: 00007fd89603d010 R09: 0000000000000000 [ 85.013495] R10: 00007fd8962481c0 R11: 0000000000000246 R12: 0000000000000001 [ 85.021470] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 85.029443] irq event stamp: 0 [ 85.032849] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 85.039853] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 85.048992] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 85.058156] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 85.065146] ---[ end trace 3f56960d4fcd6e1b ]--- f1b680 R08: 0000000000000001 R09: 0000000000000001 # [ 84.372751] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 84.380723] R13: ffffa98a413f7f10 R14: ffffa98a413f7f10 R15: ffff8ff0465ad000 # [ 84.388695] FS: 00007fd7ffbbf580(0000) GS:ffff8ff0bac00000(0000) knlGS:0000000000000000 # [ 84.397735] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 84.404151] CR2: 00007fd7ff9d8000 CR3: 0000000102776004 CR4: 00000000003706f0 # [ 84.412121] Call Trace: # [ 84.414850] direct_entry.cold+0x2c/0x38 # [ 84.419237] full_proxy_write+0x56/0x80 # [ 84.423515] vfs_write+0xea/0x390 # [ 84.427213] ksys_write+0x68/0xe0 # [ 84.430904] do_syscall_64+0x33/0x40 # [ 84.434896] entry_SYSCALL_64_after_hwframe+0x44/0[ 85.144783] lkdtm: Performing direct entry WARNING_MESSAGE xa9 # [ 84.440538] RIP: 0033:0x7fd7ffae7f33 # [ 84.444518][ 85.151059] ------------[ cut here ]------------ Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb [ 85.162434] Warning message trigger count: 2 b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0[ 85.173455] WARNING: CPU: 0 PID: 788 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 [ 85.189903] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 54 24 18 # [ 84.465506] RSP: 002b:00007ffe7b0adba8 EFLAGS: 00[ 85.222573] CPU: 0 PID: 788 Comm: cat Tainted: G D W 5.10.131-cip13 #1 000246 ORIG_RAX: 0000000000000001 # [ 84.473964] RAX: fffffff[ 85.237301] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 fffffffda RBX: 0000000000000004 RCX: 00007fd7ffae7f33 # [ 84.[ 85.250354] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 481935] RDX: 0000000000000004 RSI: 00007fd7ff9d8000 RDI: 0000000[ 85.262254] Code: 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 8b 05 c1 1b 70 02 48 c7 c7 b0 07 ec 9a 8d 70 01 89 35 b1 1b 70 02 e8 d6 aa 61 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 c7 000000001 # [ 84.489906] RBP: 00007fd7ff9d8000 R08: 00007fd7f[ 85.289434] RSP: 0018:ffffa98a41517e60 EFLAGS: 00010286 f9d7010 R09: 0000000000000000 # [ 84.497878] R10: 00007fd7ffb[ 85.301534] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 e21c0 R11: 0000000000000246 R12: 0000000000000001 # [ 84.5058[ 85.315755] RDX: ffff8ff0bac2c660 RSI: ffff8ff0bac1bf70 RDI: ffff8ff0bac1bf70 49] R13: 0000000000000001 R14: 0000000000020000 R15: 00000000000[ 85.329896] RBP: ffffffff9aec0257 R08: 0000000000000000 R09: 0000000000000000 20000 # [ 84.513823] Modules linked in: fuse ip_tables cros_e[ 85.344102] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 c_sensors cros_ec_sensors_core industrialio_triggered_buffer kfi[ 85.358260] R13: ffffa98a41517f10 R14: ffffa98a41517f10 R15: ffff8ff047341000 fo_buf industrialio cros_ec_lightbar cros_ec_sensorhub cros_ec_d[ 85.372430] FS: 00007f18aaa3b580(0000) GS:ffff8ff0bac00000(0000) knlGS:0000000000000000 ebugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_e[ 85.387701] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 c_dev cros_usbpd_notify # [ 84.540296] ---[ end trace 3f56960[ 85.400318] CR2: 00007f18aa854000 CR3: 0000000106c52005 CR4: 00000000003706f0 d4fcd6e1a ]--- # [ 84.545523] RIP: 0010:lkdtm_BUG+0x5/0x10 #[ 85.414524] Call Trace: [ 84.549929] Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 [ 85.423455] direct_entry.cold+0x2c/0x38 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc c[ 85.434085] full_proxy_write+0x56/0x80 c cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 [ 85.444546] vfs_write+0xea/0x390 00 00 83 05 e0 1b 70 02 # [ 84.570971] RSP: 0018:ffffa98a413f[ 85.454479] ksys_write+0x68/0xe0 7e60 EFLAGS: 00010286 # [ 84.576827] RAX: ffffffff99eb1930 RB[ 85.464379] do_syscall_64+0x33/0x40 X: 0000000000000001 RCX: 0000000000000000 # [ 84.584826] RDX:[ 85.474624] entry_SYSCALL_64_after_hwframe+0x44/0xa9 0000000000000000 RSI: ffff8ff0bac1bf70 RDI: ffffffff9aad9a70 #[ 85.486445] RIP: 0033:0x7f18aa963f33 [ 84.592808] RBP: ffffffff9af1b680 R08: 0000000000000001 R09:[ 85.496682] 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 0000000000000001 # [ 84.600815] R10: 00000000ffffe000 R11: 3[ 85.523848] RSP: 002b:00007ffd43f92678 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 fffffffffffffff R12: 0000000000000004 # [ 84.608804] R13: fff[ 85.538531] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f18aa963f33 fa98a413f7f10 R14: ffffa98a413f7f10 R15: ffff8ff0465ad000 # [ [ 85.552702] RDX: 0000000000000010 RSI: 00007f18aa854000 RDI: 0000000000000001 84.616807] FS: 00007fd7ffbbf580(0000) GS:ffff8ff0bac00000(0000[ 85.566895] RBP: 00007f18aa854000 R08: 00007f18aa853010 R09: 0000000000000000 ) knlGS:0000000000000000 # [ 84.625865] CS: 0010 DS: 0000 ES[ 85.581096] R10: 00007f18aaa5e1c0 R11: 0000000000000246 R12: 0000000000000001 : 0000 CR0: 0000000080050033 # [ 84.632329] CR2: 00007fd7ff9d[ 85.595285] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 8000 CR3: 0000000102776004 CR4: 00000000003706f0 # BUG: saw 'ke[ 85.609468] irq event stamp: 0 rnel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lk[ 85.619096] hardirqs last enabled at (0): [<0000000000000000>] 0x0 dtm: WARNING.sh # [ 84.750963] lkdtm: Performing direct entry[ 85.632301] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 WARNING # [ 84.757626] ------------[ cut here ]------------[ 85.647676] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 84.762802] WARNING: CPU: 3 PID: 753 at drivers/misc/lkdtm[ 85.663045] softirqs last disabled at (0): [<0000000000000000>] 0x0 /bugs.c:83 lkdtm_WARNING+0xf/0x20 # [ 84.772149] Modules link[ 85.676263] ---[ end trace 3f56960d4fcd6e1c ]--- ed in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 84.798602] CPU: 3 PID: 753 Comm: cat Tainted: G D 5.10.131-cip13 #1 # [ 84.807191] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 84.814002] RIP: 0010:lkdtm_WARNING+0xf/0x20 # [ 84.818798] 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 1b 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 # [ 84.845989] RSP: 0018:ffffa98a41497e60 EFLAGS: 00010202 # [ 84.851827] RAX: ffffffff99eb1940 RBX: 0000000000000002 RCX: 0000000000000000 # [ 84.859801] RDX: 0000000000000000 RSI: ffff8ff0bad9bf70 RDI: ffffffff9aad9a80 # [ 84.867775] RBP: ffffffff9aec024f R08: 0000000000000000 R09: 0000000000000000 # [ 84.875748] R10: 00000000ffff[ 85.782947] lkdtm: Performing direct entry EXCEPTION e000 R11: 3fffffffffffffff R12: 0000000000000008 # [ 84.88372[ 85.792715] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 85.806647] #PF: supervisor write access in kernel mode [ 85.812481] #PF: error_code(0x0002) - not-present page [ 85.818219] PGD 0 P4D 0 [ 85.821045] Oops: 0002 [#2] SMP PTI [ 85.824928] CPU: 0 PID: 820 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 85.833471] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 85.840278] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 [ 85.845242] Code: 48 c7 c7 b0 07 ec 9a 8d 70 01 89 35 b1 1b 70 02 e8 d6 aa 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 [ 85.866212] RSP: 0018:ffffa98a41567e60 EFLAGS: 00010286 [ 85.872045] RAX: ffffffff99eb1990 RBX: 0000000000000004 RCX: 0000000000000000 [ 85.880027] RDX: 0000000000000000 RSI: ffff8ff0bac1bf70 RDI: ffffffff9aad9aa0 [ 85.887994] RBP: ffffffff9adf5e07 R08: 0000000000000000 R09: 0000000000000000 [ 85.895962] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 85.903928] R13: ffffa98a41567f10 R14: ffffa98a41567f10 R15: ffff8ff04736c000 [ 85.911896] FS: 00007fb1ffdf5580(0000) GS:ffff8ff0bac00000(0000) knlGS:0000000000000000 [ 85.920928] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 85.927343] CR2: 0000000000000000 CR3: 0000000106562001 CR4: 00000000003706f0 [ 85.935311] Call Trace: [ 85.938038] direct_entry.cold+0x2c/0x38 [ 85.942421] full_proxy_write+0x56/0x80 [ 85.946704] vfs_write+0xea/0x390 [ 85.950392] ksys_write+0x68/0xe0 [ 85.954080] do_syscall_64+0x33/0x40 [ 85.958084] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 85.963723] RIP: 0033:0x7fb1ffd1df33 [ 85.967701] 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 [ 85.988679] RSP: 002b:00007ffced874268 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 85.997132] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fb1ffd1df33 [ 86.005100] RDX: 000000000000000a RSI: 00007fb1ffc0e000 RDI: 0000000000000001 [ 86.013078] RBP: 00007fb1ffc0e000 R08: 00007fb1ffc0d010 R09: 0000000000000000 [ 86.021045] R10: 00007fb1ffe181c0 R11: 0000000000000246 R12: 0000000000000001 [ 86.029027] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 86.036999] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 86.063449] CR2: 0000000000000000 [ 86.067144] ---[ end trace 3f56960d4fcd6e1d ]--- [ 86.072297] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 86.076674] Code: 59 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 1b 70 02 [ 86.097661] RSP: 0018:ffffa98a413f7e60 EFLAGS: 00010286 [ 86.103487] RAX: ffffffff99eb1930 RBX: 0000000000000001 RCX: 0000000000000000 [ 86.111457] RDX: 0000000000000000 RSI: ffff8ff0bac1bf70 RDI: ffffffff9aad9a70 [ 86.119427] RBP: ffffffff9af1b680 R08: 0000000000000001 R09: 0000000000000001 [ 86.127396] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 86.135365] R13: ffffa98a413f7f10 R14: ffffa98a413f7f10 R15: ffff8ff0465ad000 [ 86.143336] FS: 00007fb1ffdf5580(0000) GS:ffff8ff0bac00000(0000) knlGS:0000000000000000 [ 86.152375] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 86.158789] CR2: 0000000000000000 CR3: 0000000106562001 CR4: 00000000003706f0 [ 86.166759] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 86.176673] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 820, name: cat [ 86.185030] INFO: lockdep is turned off. [ 86.189405] irq event stamp: 0 [ 86.192812] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 86.199806] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 86.208944] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 86.218071] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 86.225064] CPU: 0 PID: 820 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 86.233617] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 86.240422] Call Trace: [ 86.243150] dump_stack+0x77/0x97 [ 86.246854] ___might_sleep.cold+0xa6/0xb6 [ 86.251417] exit_signals+0x1c/0x2d0 [ 86.255406] do_exit+0xd5/0xb00 [ 86.258909] ? ksys_write+0x68/0xe0 [ 86.262793] rewind_stack_do_exit+0x17/0x20 [ 86.267462] RIP: 0033:0x7fb1ffd1df33 [ 86.271451] 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 [ 86.292427] RSP: 002b:00007ffced874268 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 86.300882] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fb1ffd1df33 [ 86.308851] RDX: 000000000000000a RSI: 00007fb1ffc0e000 RDI: 0000000000000001 [ 86.316822] RBP: 00007fb1ffc0e000 R08: 00007fb1ffc0d010 R09: 0000000000000000 [ 86.324792] R10: 00007fb1ffe181c0 R11: 0000000000000246 R12: 0000000000000001 [ 86.332761] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 2] R13: ffffa98a41497f10 R14: ffffa98a41497f10 R15: ffff8ff04296d000 # [ 84.891695] FS: 00007fd896225580(0000) GS:ffff8ff0bad80000(0000) knlGS:0000000000000000 # [ 84.900734] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 84.907153] CR2: 00007fd89603e000 CR3: 0000000106766003 CR4: 00000000003706e0 # [ 84.915126] Call Trace: # [ 84.917857] direct_entry.cold+0x2c/0x38 # [ 84.922267] full_proxy_write+0x56/0x80 # [ 84.926580] vfs_write+0xea/0x390 # [ 84.930284] ksys_write+0x68/0xe0 # [ 84.940202] do_syscall_64+0x33/0x40 # [ 84.950412] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 84.956095] RIP: 0033:0x7fd89614df33 # [ 84.960087] 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 # [ 84.981080] RSP: 002b:00007ffde7157388 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 84.989546] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007fd89614df33 # [ 84.997551] RDX: 0000000000000008 RSI: 00007fd89603e000 RDI: 0000000000000001 # [ 85.005524] RBP: 00007fd89603e000 R08: 00007fd89603d010 R09: 0000000000000000 # [ 85.013495] R10: 00007fd8962481c0 R11: 0000000000000246 R12: 0000000000000001 # [ 85.021470] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 85.029443] irq event stamp: 0 # [ 85.032849] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 85.039853] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 85.048992] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 85.058156] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 85.065146] ---[ end trace 3f56960d4fcd6e1b ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 85.144783] lkdtm: Performing direct entry WARNING_MESSAGE # [ 85.151059] ------------[ cut here ]------------ # [ 85.162434] Warning message trigger count: 2 # [ 85.173455] WARNING: CPU: 0 PID: 788 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 85.189903] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 85.222573] CPU: 0 PID: 788 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 85.237301] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 85.250354] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 85.262254] Code: 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 8b 05 c1 1b 70 02 48 c7 c7 b0 07 ec 9a 8d 70 01 89 35 b1 1b 70 02 e8 d6 aa 61 00 <0f> 0b c3 66 66 2e 0f 1f [ 86.614777] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 86.626922] lkdtm: attempting good list addition [ 86.632087] lkdtm: attempting corrupted list addition 84 00 00 00 00 00 66 90 0f 1f 44 00 00 c7 # [ 85.289434] RSP:[ 86.637730] lkdtm: list_add() corruption not detected! 0018:ffffa98a41517e60 EFLAGS: 00010286 # [ 85.301534] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 85.315755] RDX: ffff8ff0bac2c660 RSI: ffff8ff0bac1bf70 RDI: ffff8ff0bac1bf70 # [ 85.329896] RBP: ffffffff9aec0257 R08: 0000000000000000 R09: 0000000000000000 # [ 85.344102] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 85.358260] R13: ffffa98a41517f10 R14: ffffa98a41517f10 R15: ffff8ff047341000 # [ 85.372430] FS: 00007f18aaa3b580(0000) GS:ffff8ff0bac00000(0000) knlGS:0000000000000000 # [ 85.387701] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 85.400318] CR2: 00007f18aa854000 CR3: 0000000106c52005 CR4: 00000000003706f0 # [ 85.414524] Call Trace: # [ 85.423455] direct_entry.cold+0x2c/0x38 # [ 85.434085] full_proxy_write+0x56/0x80 # [ 85.444546] vfs_write+0xea/0x390 # [ 85.454479] ksys_write+0x68/0xe0 # [ 85.464379] do_syscall_64+0x33/0x40 # [ 85.474624] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 85.486445] RIP: 0033:0x7f18aa963f33 # [ 85.496682] 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 # [ 85.523848] RSP: 002b:00007ffd43f92678 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 85.538531] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f18aa963f33 # [ 85.552702] RDX: 0000000000000010 RSI: 00007f18aa854000 RDI: 0000000000000001 # [ 85.566895] RBP: 00007f18aa854000 R08: 00007f18aa853010 R09: 0000000000000000 # [ 85.581096] R10: 00007f18aaa5e1c0 R11: 0000[ 86.809907] lkdtm: Performing direct entry CORRUPT_LIST_DEL [ 86.817502] lkdtm: attempting good list removal [ 86.822572] lkdtm: attempting corrupted list removal [ 86.828149] lkdtm: list_del() corruption not detected! 000000000246 R12: 0000000000000001 # [ 85.595285] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 85.609468] irq event stamp: 0 # [ 85.619096] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 85.632301] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 85.647676] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 85.663045] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 85.676263] ---[ end trace 3f56960d4fcd6e1c ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh[ 86.895549] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 86.903098] lkdtm: attempting bad read from page below current stack # selftests: lkdtm: EXCEPTION.sh # Killed # [ 85.782947] lk[ 86.910243] BUG: stack guard page was hit at 000000005816cec5 (stack is 0000000080157f55..00000000495c0fad) [ 86.927291] kernel stack overflow (page fault): 0000 [#3] SMP PTI [ 86.934097] CPU: 3 PID: 1045 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 86.942749] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 86.949556] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a [ 86.956080] Code: 41 5c c3 0f 1f 44 00 00 53 48 c7 c7 50 0b ec 9a 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 13 a4 fd ff 48 c7 c7 90 0b ec 9a <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 f9 a3 fd ff 0f 1f 44 [ 86.977078] RSP: 0018:ffffa98a418dfe50 EFLAGS: 00010246 [ 86.982912] RAX: 0000000000000038 RBX: ffffa98a418dc000 RCX: 0000000000000000 [ 86.990879] RDX: 0000000000000000 RSI: ffff8ff0bad9bf70 RDI: ffffffff9aec0b90 [ 86.998846] RBP: ffffffff9aec02ba R08: 0000000000000000 R09: 0000000000000000 [ 87.006815] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 [ 87.014782] R13: ffffa98a418dff10 R14: ffffa98a418dff10 R15: ffff8ff0427e6000 [ 87.022750] FS: 00007eff25b96580(0000) GS:ffff8ff0bad80000(0000) knlGS:0000000000000000 [ 87.031788] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 87.038203] CR2: ffffa98a418dbfff CR3: 00000001074ce004 CR4: 00000000003706e0 [ 87.046171] Call Trace: [ 87.048898] ? lkdtm_CORRUPT_LIST_DEL+0xdc/0xdc [ 87.053955] direct_entry.cold+0x2c/0x38 [ 87.058334] full_proxy_write+0x56/0x80 [ 87.062613] vfs_write+0xea/0x390 [ 87.066309] ksys_write+0x68/0xe0 [ 87.070029] do_syscall_64+0x33/0x40 [ 87.074031] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 87.079672] RIP: 0033:0x7eff25abef33 [ 87.083661] 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 [ 87.104634] RSP: 002b:00007fffd0b92928 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 87.113087] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007eff25abef33 [ 87.121067] RDX: 0000000000000019 RSI: 00007eff259af000 RDI: 0000000000000001 [ 87.129075] RBP: 00007eff259af000 R08: 00007eff259ae010 R09: 0000000000000000 [ 87.137043] R10: 00007eff25bb91c0 R11: 0000000000000246 R12: 0000000000000001 [ 87.145026] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 87.152999] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify dtm: Performing direct entry EXCEPTION # [ 85.792715] BUG: ke[ 87.179446] ---[ end trace 3f56960d4fcd6e1e ]--- [ 87.190812] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 87.195188] Code: 59 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 1b 70 02 [ 87.216156] RSP: 0018:ffffa98a413f7e60 EFLAGS: 00010286 [ 87.221987] RAX: ffffffff99eb1930 RBX: 0000000000000001 RCX: 0000000000000000 [ 87.229953] RDX: 0000000000000000 RSI: ffff8ff0bac1bf70 RDI: ffffffff9aad9a70 [ 87.237920] RBP: ffffffff9af1b680 R08: 0000000000000001 R09: 0000000000000001 [ 87.245886] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 87.253852] R13: ffffa98a413f7f10 R14: ffffa98a413f7f10 R15: ffff8ff0465ad000 [ 87.261819] FS: 00007eff25b96580(0000) GS:ffff8ff0bad80000(0000) knlGS:0000000000000000 [ 87.270857] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 87.277271] CR2: ffffa98a418dbfff CR3: 00000001074ce004 CR4: 00000000003706e0 [ 87.285240] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 87.295140] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1045, name: cat [ 87.303592] INFO: lockdep is turned off. [ 87.307968] irq event stamp: 0 [ 87.311372] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 87.318373] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 87.327506] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 87.336637] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 87.343635] CPU: 3 PID: 1045 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 87.352281] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 87.359082] Call Trace: [ 87.361808] dump_stack+0x77/0x97 [ 87.365495] ___might_sleep.cold+0xa6/0xb6 [ 87.370080] exit_signals+0x1c/0x2d0 [ 87.374084] do_exit+0xd5/0xb00 [ 87.377585] ? ksys_write+0x68/0xe0 [ 87.381475] rewind_stack_do_exit+0x17/0x20 [ 87.386140] RIP: 0033:0x7eff25abef33 [ 87.390126] 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 [ 87.411104] RSP: 002b:00007fffd0b92928 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 87.419547] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007eff25abef33 [ 87.427515] RDX: 0000000000000019 RSI: 00007eff259af000 RDI: 0000000000000001 [ 87.435482] RBP: 00007eff259af000 R08: 00007eff259ae010 R09: 0000000000000000 [ 87.443450] R10: 00007eff25bb91c0 R11: 0000000000000246 R12: 0000000000000001 [ 87.451416] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 rnel NULL pointer dereference, address: 0000000000000000 # [ 85.806647] #PF: supervisor write access in kernel mode # [ 85.812481] #PF: error_code(0x0002) - not-present page # [ 85.818219] PGD 0 P4D 0 # [ 85.821045] Oops: 0002 [#2] SMP PTI # [ 85.824928] CPU: 0 PID: 820 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 85.833471] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 85.840278] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 85.845242] Code: 48 c7 c7 b0 07 ec 9a 8d 70 01 89 35 b1 1b 70 02 e8 d6 aa 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 # [ 85.866212] RSP: 0018:ffffa98a41567e60 EFLAGS: 00010286 # [ 85.872045] RAX: ffffffff99eb1990 RBX: 0000000000000004 RCX: 0000000000000000 # [ 85.880027] RDX: 0000000000000000 RSI: ffff8ff0bac1bf70 RDI: ffffffff9aad9aa0 # [ 85.887994] RBP: ffffffff9adf5e07 R08: 0000000000000000 R09: 0000000000000000 # [ 85.895962] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [[ 87.564895] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING [ 87.572183] lkdtm: attempting bad read from page above current stack [ 87.579289] BUG: stack guard page was hit at 00000000878ae8ff (stack is 00000000cfd3809b..0000000059ecba90) [ 87.590203] kernel stack overflow (page fault): 0000 [#4] SMP PTI [ 87.597028] CPU: 3 PID: 1078 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 87.605674] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 87.612482] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d [ 87.619091] Code: a3 fd ff 0f 1f 44 00 00 53 48 c7 c7 c8 0b ec 9a 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 d9 a3 fd ff 48 c7 c7 08 0c ec 9a <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 bc a3 fd ff [ 87.640079] RSP: 0018:ffffa98a41987e50 EFLAGS: 00010246 [ 87.645943] RAX: 0000000000000038 RBX: ffffa98a41984000 RCX: 0000000000000000 [ 87.653913] RDX: 0000000000000000 RSI: ffff8ff0bad9bf70 RDI: ffffffff9aec0c08 [ 87.661879] RBP: ffffffff9aec02d3 R08: 0000000000000000 R09: 0000000000000000 [ 87.669846] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a [ 87.677815] R13: ffffa98a41987f10 R14: ffffa98a41987f10 R15: ffff8ff048b80000 [ 87.685783] FS: 00007f413bc0b580(0000) GS:ffff8ff0bad80000(0000) knlGS:0000000000000000 [ 87.694817] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 87.701231] CR2: ffffa98a41988000 CR3: 0000000106922002 CR4: 00000000003706e0 [ 87.709199] Call Trace: [ 87.711926] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a [ 87.717758] direct_entry.cold+0x2c/0x38 [ 87.722136] full_proxy_write+0x56/0x80 [ 87.726415] vfs_write+0xea/0x390 [ 87.730103] ksys_write+0x68/0xe0 [ 87.733800] do_syscall_64+0x33/0x40 [ 87.737790] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 87.743428] RIP: 0033:0x7f413bb33f33 [ 87.747414] 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 [ 87.768393] RSP: 002b:00007ffc78ca7db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 87.776838] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f413bb33f33 [ 87.784804] RDX: 000000000000001a RSI: 00007f413ba24000 RDI: 0000000000000001 [ 87.792770] RBP: 00007f413ba24000 R08: 00007f413ba23010 R09: 0000000000000000 [ 87.800738] R10: 00007f413bc2e1c0 R11: 0000000000000246 R12: 0000000000000001 [ 87.808709] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 87.816679] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 87.843137] ---[ end trace 3f56960d4fcd6e1f ]--- [ 87.848292] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 87.852659] Code: 59 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 1b 70 02 [ 87.873641] RSP: 0018:ffffa98a413f7e60 EFLAGS: 00010286 [ 87.879475] RAX: ffffffff99eb1930 RBX: 0000000000000001 RCX: 0000000000000000 [ 87.887443] RDX: 0000000000000000 RSI: ffff8ff0bac1bf70 RDI: ffffffff9aad9a70 [ 87.895408] RBP: ffffffff9af1b680 R08: 0000000000000001 R09: 0000000000000001 [ 87.903377] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 87.911345] R13: ffffa98a413f7f10 R14: ffffa98a413f7f10 R15: ffff8ff0465ad000 [ 87.919314] FS: 00007f413bc0b580(0000) GS:ffff8ff0bad80000(0000) knlGS:0000000000000000 [ 87.928351] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 87.934762] CR2: ffffa98a41988000 CR3: 0000000106922002 CR4: 00000000003706e0 85.903928] R13: ffffa98a41567f10 R14: ffffa98a41567f10 R15: ffff8ff04736c000 # [ 85.911896] FS: 00007fb1ffdf5580(0000) GS:ffff8ff0bac00000(0000) knlGS:0000000000000000 # [ 85.920928] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 85.927343] CR2: 0000000000000000 CR3: 0000000106562001 CR4: 00000000003706f0 # [ 85.935311] Call Trace: # [ 85.938038] direct_entry.cold+0x2c/0x38 # [ 85.942421] full_proxy_write+0x56/0x80 # [ 85.946704] vfs_write+0xea/0x390 # [ 85.950392] ksys_write+0x68/0xe0 # [ 85.954080] do_syscall_64+0x33/0x40 # [ 85.958084] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 85.963723] RIP: 0033:0x7fb1ffd1df33 # [ 85.967701] 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 # [ 85.988679] RSP: 002b:00007ffced874268 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 85.997132] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fb1ffd1df33 # [ 86.005100] RDX[ 88.047681] lkdtm: Performing direct entry UNSET_SMEP : 000000000000000a RSI: 00007fb1ffc0e000 RDI: 0000000000000001 [ 88.054076] lkdtm: trying to clear SMEP normally # [ 86.013078] RBP: 00007fb1ffc0e000 R08: 00007fb1ffc0d010 R09[ 88.065450] ------------[ cut here ]------------ [ 88.076823] pinned CR4 bits changed: 0x100000!? : 0000000000000000 # [ 86.021045] R10: 00007fb1ffe181c0 R11: [ 88.081906] WARNING: CPU: 1 PID: 1114 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x41/0x60 0000000000000246 R12: 0000000000000001 # [ 86.029027] R13: 00[ 88.098294] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 88.130929] CPU: 1 PID: 1114 Comm: cat Tainted: G D W 5.10.131-cip13 #1 00000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ [ 88.139602] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 88.152620] RIP: 0010:native_write_cr4+0x41/0x60 86.036999] Modules linked in: fuse ip_tables cros_ec_sensors c[ 88.157777] 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 68 fd df 9a c6 05 cc d8 c3 01 01 e8 85 c7 e0 00 <0f> 0b c3 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 c7 eb ac 66 [ 88.184964] RSP: 0018:ffffa98a41a17e48 EFLAGS: 00010286 ros_ec_sensors_core industrialio_triggered_buffer kfifo_buf indu[ 88.190800] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 [ 88.204980] RDX: ffff8ff0bacac660 RSI: ffff8ff0bac9bf70 RDI: ffff8ff0bac9bf70 strialio cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros[ 88.212949] RBP: ffffffff9aec02ed R08: 0000000000000000 R09: 0000000000000000 [ 88.227127] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 88.235095] R13: ffffa98a41a17f10 R14: ffffa98a41a17f10 R15: ffff8ff0474b3000 [ 88.243069] FS: 00007efeed596580(0000) GS:ffff8ff0bac80000(0000) knlGS:0000000000000000 _ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_[ 88.252138] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 88.264764] CR2: 00007efeed3af000 CR3: 0000000106c3c004 CR4: 00000000003706e0 [ 88.272734] Call Trace: usbpd_notify # [ 86.063449] CR2: 0000000000000000 # [ 86.0[ 88.275466] lkdtm_UNSET_SMEP.cold+0x1d/0x103 67144] ---[ end trace 3f56960d4fcd6e1d ]--- # [ 86.072297] RI[ 88.286538] direct_entry.cold+0x2c/0x38 P: 0010:lkdtm_BUG+0x5/0x10 # [ 86.076674] Code: 59 a5 ff 48 c[ 88.297133] full_proxy_write+0x56/0x80 [ 88.307630] vfs_write+0xea/0x390 7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff[ 88.311356] ksys_write+0x68/0xe0 [ 88.321262] do_syscall_64+0x33/0x40 ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1[ 88.325255] entry_SYSCALL_64_after_hwframe+0x44/0xa9 f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 1b 70 02 # [ 86.0[ 88.337109] RIP: 0033:0x7efeed4bef33 97661] RSP: 0018:ffffa98a413f7e60 EFLAGS: 00010286 # [ 86.103[ 88.347312] 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 18 487] RAX: ffffffff99eb1930 RBX: 0000000000000001 RCX: 0000000000[ 88.374506] RSP: 002b:00007ffc75bc3958 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 88.389173] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007efeed4bef33 000000 # [ 86.111457] RDX: 0000000000000000 RSI: ffff8ff0bac1[ 88.397149] RDX: 000000000000000b RSI: 00007efeed3af000 RDI: 0000000000000001 bf70 RDI: ffffffff9aad9a70 # [ 86.119427] RBP: ffffffff9af1b6[ 88.411335] RBP: 00007efeed3af000 R08: 00007efeed3ae010 R09: 0000000000000000 [ 88.425515] R10: 00007efeed5b91c0 R11: 0000000000000246 R12: 0000000000000001 [ 88.433485] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 80 R08: 0000000000000001 R09: 0000000000000001 # [ 86.127396][ 88.441456] irq event stamp: 0 [ 88.451100] hardirqs last enabled at (0): [<0000000000000000>] 0x0 R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000000000[ 88.458100] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 88.473440] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 04 # [ 86.135365] R13: ffffa98a413f7f10 R14: ffffa98a413f7f10[ 88.482575] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 88.495783] ---[ end trace 3f56960d4fcd6e20 ]--- [ 88.500937] lkdtm: ok: SMEP did not get cleared [ 88.505991] lkdtm: trying to clear SMEP with call gadget [ 88.511921] lkdtm: ok: SMEP removal was reverted R15: ffff8ff0465ad000 # [ 86.143336] FS: 00007fb1ffdf5580(0000) GS:ffff8ff0bac00000(0000) knlGS:0000000000000000 # [ 86.152375] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 86.158789] CR2: 0000000000000000 CR3: 0000000106562001 CR4: 00000000003706f0 # [ 86.166759] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 86.176673] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 820, name: cat # [ 86.185030] INFO: lockdep is turned off. # [ 86.189405] irq event stamp: 0 # [ 86.192812] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 86.199806] ha[ 88.576378] lkdtm: Performing direct entry DOUBLE_FAULT rdirqs last disabled at (0): [] copy_process+0[ 88.585130] lkdtm: XFAIL: this test is ia32-only x63c/0x1c80 # [ 86.208944] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 86.218071] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 86.225064] CPU: 0 PID: 820 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 86.233617] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 86.240422] Call Trace: # [ 86.243150] dump_stack+0x77/0x97 # [ 86.246854] ___might_sleep.cold+0xa6/0xb6 # [ 86.251417] exit_signals+0x1c/0x2d0 # [ 86.255406] do_exit+0xd5/0xb00 # [ 86.258909] ? ksys_write+0x68/0xe0 # [ 86.262793] rewind_stack_do_exit+0x17/0x20 # [[ 88.656576] lkdtm: Performing direct entry CORRUPT_PAC [ 88.664365] lkdtm: XFAIL: this test is arm64-only 86.267462] RIP: 0033:0x7fb1ffd1df33 # [ 86.271451] 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 # [ 86.292427] RSP: 002b:00007ffced874268 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 86.300882] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fb1ffd1df33 # [ 86.308851] RDX: 000000000000000a RSI: 00007fb1ffc0e000 RDI: 0000000000000001 # [ 86.316822] RBP: 00007fb1ffc0e000 R08: 00007fb1ffc0d010 R09: 0000000000000000 # [ 86.324792] R10: 00007fb1ffe181c0 R11: 0000000000000246 R12: 0000000000000001 # [ 86.332761] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXCEPTION: saw 'call trace:': ok ok 5 selftests: lkdtm: EXCEPTION.sh # selftests: lkdtm: LOOP.sh # Skipping LOOP: Hangs the system ok 6 selftests: lkdtm: LOOP.sh # SKIP # selftests: lkdtm: EXHAUST_STACK.sh # Skipping EXHAUST_STACK: Corrupts memory o[ 88.763743] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE n failure ok 7 selftests: lkdtm: EXHAUST_STACK.sh # SKIP # sel[ 88.776322] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS ftests: 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 # [ 86.614777] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 86.626922] lkdtm: attempting good list addition # [ 86.632087] lkdtm: attempting corrupted list addition # [ 86.637730] 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 # [ 86.809907] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 86.817502] lkdtm: attempting good list removal # [ 86.822572] lkdtm: attempting corrupted list removal # [ 86.828149] lkdtm: list_del() corruption not detected! # CORRUPT_LIST_DEL: missing 'list_del corruption': [FAIL] not ok 11 selftests: lkdtm: CORRUPT_LIST[ 88.894863] lkdtm: Performing direct entry READ_AFTER_FREE _DEL.sh # exit=1 # selftests: lkdtm: STACK_GUARD_PAGE_LEADING.s[ 88.901925] lkdtm: Value in memory before free: 12345678 h # Segmentation fault # [ 86.895549] lkdtm: Performing dire[ 88.914091] lkdtm: Attempting bad read from freed memory ct entry STACK_GUARD_PAGE_LEADING # [ 86.903098] lkdtm: attem[ 88.926235] lkdtm: Memory was not poisoned pting bad read from page below current stack # [ 86.910243] BUG: stack guard page was hit at 000000005816cec5 (stack is 0000000080157f55..00000000495c0fad) # [ 86.927291] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 86.934097] CPU: 3 PID: 1045 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 86.942749] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 86.949556] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 86.956080] Code: 41 5c c3 0f 1f 44 00 00 53 48 c7 c7 50 0b ec 9a 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 13 a4 fd ff 48 c7 c7 90 0b ec 9a <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 f9 a3 fd ff 0f 1f 44 # [ 86.977078] RSP: 0018:ffffa98a418dfe50 EFLAGS: 00010246 # [ 86.982912] RAX: 0000000000000038 RBX: ffffa98a418dc000 RCX: 0000000000000000 # [ 86.990879] RDX: 0000000000000000 RSI: ffff8ff0bad9bf70 RDI: ff[ 89.019638] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE [ 89.030758] lkdtm: Value in memory before free: 12345678 [ 89.036702] lkdtm: Attempting to read from freed memory [ 89.042545] lkdtm: Buddy page was not poisoned ffffff9aec0b90 # [ 86.998846] RBP: ffffffff9aec02ba R08: 0000000000000000 R09: 0000000000000000 # [ 87.006815] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 87.014782] R13: ffffa98a418dff10 R14: ffffa98a418dff10 R15: ffff8ff0427e6000 # [ 87.022750] FS: 00007eff25b96580(0000) GS:ffff8ff0bad80000(0000) knlGS:0000000000000000 # [ 87.031788] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 87.038203] CR2: ffffa98a418dbfff CR3: 00000001074ce004 CR4: 00000000003706e0 # [ 87.046171] Call Trace: # [ 87.048898] ? lkdtm_CORRUPT_LIST_DEL+0xdc/0xdc # [ 87.053955] direct_entry.cold+0x2c/[ 89.109212] lkdtm: Performing direct entry SLAB_FREE_DOUBLE 0x38 # [ 87.058334] full_proxy_write+0x56/0x80 # [ 87.062[ 89.115933] lkdtm: Attempting double slab free ... 613] vfs_write+0xea/0x390 # [ 87.066309] ksys_write+0x68/0xe0 # [ 87.070029] do_syscall_64+0x33/0x40 # [ 87.074031] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 87.079672] RIP: 0033:0x7eff25abef33 # [ 87.083661] 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 # [ 87.104634] RSP: 002b:00007fffd0b92928 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 87.113087] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007eff25abef33 # [ 87.121067] RDX: 0000000000000[ 89.186899] lkdtm: Performing direct entry SLAB_FREE_CROSS 019 RSI: 00007eff259af000 RDI: 0000000000000001 # [ 87.129075[ 89.195781] lkdtm: Attempting cross-cache slab free ... ] RBP: 00007eff259af000 R08: 00007eff259ae010 R09: 0000000000000000 # [ 87.137043] R10: 00007eff25bb91c0 R11: 0000000000000246 R12: 0000000000000001 # [ 87.145026] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 87.152999] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 87.179446] ---[ end trace 3f56960d4fcd6e1e ]--- # [ 87.1[ 89.262755] lkdtm: Performing direct entry SLAB_FREE_PAGE 90812] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 87.195188] Code: 59 a[ 89.269806] lkdtm: Attempting non-Slab slab free ... 5 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 1b 70 02 # [ 87.216156] RSP: 0018:ffffa98a413f7e60 EFLAGS: 00010286 # [ 87.221987] RAX: ffffffff99eb1930 RBX: 0000000000000001 RCX: 0000000000000000 # [ 87.229953] RDX: 0000000000000000 RSI: ffff8ff0bac1bf70 RDI: ffffffff9aad9a70 # [ 87.237920] RBP: ffffffff9af1b680 R08: 0000000000000001 R09: 0000000000000001 # [ 87.245886] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 87.253852] R13: ffffa98a413f7f10 R14: ffffa98a413f7f10 R15: ffff8ff0465ad000 # [ 87.261819] FS: 00007eff25b96580(0000) GS:ffff8ff0bad80000(0000) knlGS:0000000000000000 # [ 87.270857] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 87.277271] CR2: ffffa98a418dbfff CR3: 00000001074ce004 CR4: 00000000003706e0 # [ 87.285240] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 87.295140] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1045, name: cat # [ 87.303592] INFO: lockdep is turned off. # [ 87.307968] irq event stamp: 0 # [ 87.311372] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 87.318373] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 87.327506] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 87.336637] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 87.343635] CPU: 3 PID: 1045 Comm: cat Tainted: G D W[ 89.434315] lkdtm: Performing direct entry EXEC_DATA 5.10.131-cip13 #1 # [ 87.352281] Hardware name: Goog[ 89.442485] lkdtm: attempting ok execution at ffffffff99eb1d00 le Rammus/Rammus, BIOS 09/04/2020 # [ 87.359082] Call Trace:[ 89.455211] lkdtm: attempting bad execution at ffffffff9c5b3560 # [ 87.361808] dump_stack+0x77/0x97 # [ 87.365495] ___m[ 89.468060] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 89.482623] BUG: unable to handle page fault for address: ffffffff9c5b3560 [ 89.490301] #PF: supervisor instruction fetch in kernel mode [ 89.496619] #PF: error_code(0x0011) - permissions violation [ 89.502837] PGD 104a29067 P4D 104a29067 PUD 104a2a063 PMD 8000000105e000e3 [ 89.510604] Oops: 0011 [#5] SMP PTI [ 89.514494] CPU: 1 PID: 1621 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 89.523141] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 89.529946] RIP: 0010:data_area+0x0/0x40 ight_sleep.cold+0xa6/0xb6 # [ 87.370080] exit_signals+0x1c/0[ 89.534323] Code: ff ff 00 09 25 40 f0 8f ff ff 00 08 25 40 f0 8f 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 [ 89.561513] RSP: 0018:ffffa98a4225fe48 EFLAGS: 00010246 [ 89.567335] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 89.575302] RDX: 0000000000000000 RSI: ffff8ff0bac9bf70 RDI: ffff8ff0bac9bf70 [ 89.583270] RBP: ffffffff9c5b3560 R08: 0000000000000000 R09: 0000000000000000 [ 89.591237] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 89.599203] R13: ffffa98a4225ff10 R14: ffffa98a4225ff10 R15: ffff8ff04834b000 [ 89.607170] FS: 00007efdfb536580(0000) GS:ffff8ff0bac80000(0000) knlGS:0000000000000000 [ 89.616206] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 89.622619] CR2: ffffffff9c5b3560 CR3: 0000000106766005 CR4: 00000000003706e0 [ 89.630587] Call Trace: [ 89.633314] ? execute_location+0x48/0x56 x2d0 # [ 87.374084] do_exit+0xd5/0xb00 # [ 87.377585] ? [ 89.637789] ? direct_entry.cold+0x2c/0x38 [ 89.648570] ? full_proxy_write+0x56/0x80 [ 89.653045] ? vfs_write+0xea/0x390 [ 89.656935] ? ksys_write+0x68/0xe0 [ 89.660816] ? do_syscall_64+0x33/0x40 [ 89.664996] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 ksys_write+0x68/0xe0 # [ 87.381475] rewind_stack_do_exit+0x1[ 89.670829] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 89.703461] CR2: ffffffff9c5b3560 [ 89.707148] ---[ end trace 3f56960d4fcd6e21 ]--- [ 89.712300] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 89.716674] Code: 59 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 1b 70 02 [ 89.737648] RSP: 0018:ffffa98a413f7e60 EFLAGS: 00010286 [ 89.743479] RAX: ffffffff99eb1930 RBX: 0000000000000001 RCX: 0000000000000000 [ 89.751445] RDX: 0000000000000000 RSI: ffff8ff0bac1bf70 RDI: ffffffff9aad9a70 [ 89.759410] RBP: ffffffff9af1b680 R08: 0000000000000001 R09: 0000000000000001 [ 89.767377] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 89.775342] R13: ffffa98a413f7f10 R14: ffffa98a413f7f10 R15: ffff8ff0465ad000 [ 89.783308] FS: 00007efdfb536580(0000) GS:ffff8ff0bac80000(0000) knlGS:0000000000000000 [ 89.792343] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 89.798755] CR2: ffffffff9c5b3560 CR3: 0000000106766005 CR4: 00000000003706e0 [ 89.806721] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 89.816627] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1621, name: cat [ 89.825083] INFO: lockdep is turned off. [ 89.829460] irq event stamp: 0 [ 89.832856] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 89.839853] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 89.848985] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 89.858115] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 89.865112] CPU: 1 PID: 1621 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 89.873748] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 89.880549] Call Trace: [ 89.883276] dump_stack+0x77/0x97 7/0x20 # [ 87.386140] RIP: 0033:0x7eff25abef33 # [ 87.3901[ 89.886974] ___might_sleep.cold+0xa6/0xb6 [ 89.897754] exit_signals+0x1c/0x2d0 [ 89.901731] do_exit+0xd5/0xb00 [ 89.905233] ? ksys_write+0x68/0xe0 [ 89.909115] rewind_stack_do_exit+0x17/0x20 [ 89.913772] RIP: 0033:0x7efdfb45ef33 [ 89.917757] 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 [ 89.938731] RSP: 002b:00007fff4cc7ee58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 89.947183] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007efdfb45ef33 [ 89.955148] RDX: 000000000000000a RSI: 00007efdfb34f000 RDI: 0000000000000001 [ 89.963115] RBP: 00007efdfb34f000 R08: 00007efdfb34e010 R09: 0000000000000000 [ 89.971082] R10: 00007efdfb5591c0 R11: 0000000000000246 R12: 0000000000000001 [ 89.979050] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 26] 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 # [ 87.411104] RSP: 002b:00007fffd0b92928 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 87.419547] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007eff25abef33 # [ 87.427515] RDX: 0000000000000019 RSI: 00007eff259af000 RDI: 0000000000000001 # [ 87.435482] RBP: 00007eff259af000 R08: 00007eff259ae010 R09: 0000000000000000 # [ 87.443450] R10: 00007eff25bb91c0 R11: 0000000000000246 R12: 0000000000000001 # [ 87.451416] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACK_GUARD_PAGE_LEADING: saw 'call trace:': ok ok [ 90.059799] lkdtm: Performing direct entry EXEC_STACK 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # selftests: l[ 90.067277] lkdtm: attempting ok execution at ffffffff99eb1d00 kdtm: STACK_GUARD_PAGE_TRAILING.sh # Segmentation fault # [ [ 90.080027] lkdtm: attempting bad execution at ffffa98a42257e18 87.564895] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAIL[ 90.092853] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 90.107407] BUG: unable to handle page fault for address: ffffa98a42257e18 [ 90.115082] #PF: supervisor instruction fetch in kernel mode [ 90.121399] #PF: error_code(0x0011) - permissions violation [ 90.127616] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 108af8067 PTE 8000000108d6b063 [ 90.136661] Oops: 0011 [#6] SMP PTI [ 90.140550] CPU: 0 PID: 1657 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 90.149195] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 90.155999] RIP: 0010:0xffffa98a42257e18 [ 90.160399] Code: 00 00 18 7e 25 42 8a a9 ff ff cb 7d 4f 9a ff ff ff ff 20 00 00 00 00 00 00 00 16 04 ec 9a ff ff ff ff f7 7e 4f 9a 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 [ 90.181379] RSP: 0018:ffffa98a42257df8 EFLAGS: 00010246 [ 90.187210] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 90.195178] RDX: 0000000000000000 RSI: ffff8ff0bac1bf70 RDI: ffff8ff0bac1bf70 [ 90.203145] RBP: ffffa98a42257e18 R08: 0000000000000000 R09: 0000000000000000 [ 90.211110] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 90.219078] R13: ffffa98a42257f10 R14: ffffa98a42257f10 R15: ffff8ff048a1a000 [ 90.227046] FS: 00007efec312e580(0000) GS:ffff8ff0bac00000(0000) knlGS:0000000000000000 [ 90.236079] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 90.242492] CR2: ffffa98a42257e18 CR3: 0000000102772005 CR4: 00000000003706f0 [ 90.250459] Call Trace: [ 90.253189] ? execute_location+0x48/0x56 [ 90.257658] ? lkdtm_EXEC_STACK+0x26/0x40 [ 90.262131] ? direct_entry.cold+0x2c/0x38 [ 90.266695] ? full_proxy_write+0x56/0x80 [ 90.271170] ? vfs_write+0xea/0x390 [ 90.275061] ? ksys_write+0x68/0xe0 [ 90.278943] ? do_syscall_64+0x33/0x40 [ 90.283115] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 90.288948] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 90.315381] CR2: ffffa98a42257e18 [ 90.319080] ---[ end trace 3f56960d4fcd6e22 ]--- [ 90.324232] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 90.328599] Code: 59 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 1b 70 02 [ 90.349567] RSP: 0018:ffffa98a413f7e60 EFLAGS: 00010286 [ 90.355399] RAX: ffffffff99eb1930 RBX: 0000000000000001 RCX: 0000000000000000 [ 90.363364] RDX: 0000000000000000 RSI: ffff8ff0bac1bf70 RDI: ffffffff9aad9a70 [ 90.371331] RBP: ffffffff9af1b680 R08: 0000000000000001 R09: 0000000000000001 [ 90.379298] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 90.387263] R13: ffffa98a413f7f10 R14: ffffa98a413f7f10 R15: ffff8ff0465ad000 [ 90.395230] FS: 00007efec312e580(0000) GS:ffff8ff0bac00000(0000) knlGS:0000000000000000 [ 90.404264] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 90.410677] CR2: ffffa98a42257e18 CR3: 0000000102772005 CR4: 00000000003706f0 ING # [ 87.572183] lkdtm: attempting bad read from page above current stack # [ 87.579289] BUG: stack guard page was hit at 00000000878ae8ff (stack is 00000000cfd3809b..0000000059ecba90) # [ 87.590203] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 87.597028] CPU: 3 PID: 1078 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 87.605674] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 87.612482] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 87.619091] Code: a3 fd ff 0f 1f 44 00 00 53 48 c7 c7 c8 0b ec 9a 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 d9 a3 fd ff 48 c7 c7 08 0c ec 9a <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 bc a3 fd ff # [ 87.640079] RSP: 0018:ffffa98a41987e50 EFLAGS: 00010246 # [ 87.645943] RAX: 0000000000000038 RBX: ffffa98a41984000 RCX: 0000000000000000 # [ 87.653913] RDX: 0000000000000000 RSI: ffff8ff0bad9bf70 RDI: ffffffff9aec0c08 # [ 87.661879] RBP: ffffffff9aec02d3 R08: 0000000000000000 R09: 0000000000000000 # [ 87.669846] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 87.677815] R13: ffffa98a41987f10 R14: ffffa98a41987f10 R15: ffff8ff048b80000 # [ 87.685783] FS: 00007f413bc0b580(0000) GS:ffff8ff0bad80000(0000) knlGS:0000[ 90.536982] lkdtm: Performing direct entry EXEC_KMALLOC 000000000000 # [ 87.694817] CS: 0010 DS: 0000 ES: 0000 CR0: [ 90.548843] lkdtm: attempting ok execution at ffffffff99eb1d00 0000000080050033 # [ 87.701231] CR2: ffffa98a41988000 CR3: 00[ 90.561567] lkdtm: attempting bad execution at ffff8ff048ae48c0 00000106922002 CR4: 00000000003706e0 # [ 87.709199] Call Trac[ 90.574402] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 90.588960] BUG: unable to handle page fault for address: ffff8ff048ae48c0 [ 90.596637] #PF: supervisor instruction fetch in kernel mode [ 90.602956] #PF: error_code(0x0011) - permissions violation [ 90.609178] PGD 106001067 P4D 106001067 PUD 10004e063 PMD 10809c063 PTE 8000000108ae4163 [ 90.618225] Oops: 0011 [#7] SMP PTI [ 90.622117] CPU: 0 PID: 1693 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 90.630759] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 90.637566] RIP: 0010:0xffff8ff048ae48c0 [ 90.641942] Code: 00 00 02 00 00 00 00 00 00 00 c0 4b ae 48 f0 8f ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 bb b6 6f 99 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 [ 90.662927] RSP: 0018:ffffa98a4239fe38 EFLAGS: 00010246 [ 90.668752] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 90.676722] RDX: 0000000000000000 RSI: ffff8ff0bac1bf70 RDI: ffff8ff0bac1bf70 [ 90.684690] RBP: ffff8ff048ae48c0 R08: 0000000000000000 R09: 0000000000000000 [ 90.692662] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 90.700631] R13: ffffa98a4239ff10 R14: ffffa98a4239ff10 R15: ffff8ff046940000 [ 90.708602] FS: 00007f09cebb2580(0000) GS:ffff8ff0bac00000(0000) knlGS:0000000000000000 [ 90.717640] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 90.724057] CR2: ffff8ff048ae48c0 CR3: 0000000108d64006 CR4: 00000000003706f0 [ 90.732026] Call Trace: [ 90.734755] ? execute_location+0x48/0x56 [ 90.739236] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 [ 90.743905] ? direct_entry.cold+0x2c/0x38 [ 90.748476] ? full_proxy_write+0x56/0x80 [ 90.752950] ? vfs_write+0xea/0x390 [ 90.756839] ? ksys_write+0x68/0xe0 [ 90.760732] ? do_syscall_64+0x33/0x40 [ 90.764906] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 90.770741] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 90.797184] CR2: ffff8ff048ae48c0 [ 90.800880] ---[ end trace 3f56960d4fcd6e23 ]--- [ 90.806033] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 90.810400] Code: 59 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 1b 70 02 [ 90.831380] RSP: 0018:ffffa98a413f7e60 EFLAGS: 00010286 [ 90.837214] RAX: ffffffff99eb1930 RBX: 0000000000000001 RCX: 0000000000000000 [ 90.845182] RDX: 0000000000000000 RSI: ffff8ff0bac1bf70 RDI: ffffffff9aad9a70 [ 90.853149] RBP: ffffffff9af1b680 R08: 0000000000000001 R09: 0000000000000001 [ 90.861119] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 90.869085] R13: ffffa98a413f7f10 R14: ffffa98a413f7f10 R15: ffff8ff0465ad000 [ 90.877051] FS: 00007f09cebb2580(0000) GS:ffff8ff0bac00000(0000) knlGS:0000000000000000 [ 90.886087] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 90.892501] CR2: ffff8ff048ae48c0 CR3: 0000000108d64006 CR4: 00000000003706f0 e: # [ 87.711926] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a # [ 87.717758] direct_entry.cold+0x2c/0x38 # [ 87.722136] full_proxy_write+0x56/0x80 # [ 87.726415] vfs_write+0xea/0x390 # [ 87.730103] ksys_write+0x68/0xe0 # [ 87.733800] do_syscall_64+0x33/0x40 # [ 87.737790] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 87.743428] RIP: 0033:0x7f413bb33f33 # [ 87.747414] 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 # [ 87.768393] RSP: 002b:00007ffc78ca7db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 87.776838] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f413bb33f33 # [ 87.784804] RDX: 000000000000001a RSI: 00007f413ba24000 RDI: 0000000000000001 # [ 87.792770] RBP: 00007f413ba24000 R08: 00007f413ba23010 R09: 0000000000000000 # [ 87.800738] R10: 00007f413bc2e1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 87.808709] R13: 0000000000000001 R14: 0000000000020000[ 91.005838] lkdtm: Performing direct entry EXEC_VMALLOC R15: 0000000000020000 # [ 87.816679] Modules linked in: fuse[ 91.012077] lkdtm: attempting ok execution at ffffffff99eb1d00 [ 91.024800] lkdtm: attempting bad execution at ffffa98a406d9000 [ 91.031433] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 91.039799] BUG: unable to handle page fault for address: ffffa98a406d9000 [ 91.047477] #PF: supervisor instruction fetch in kernel mode [ 91.053795] #PF: error_code(0x0011) - permissions violation [ 91.060015] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 108a9a067 PTE 8000000108086063 ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_tri[ 91.069055] Oops: 0011 [#8] SMP PTI [ 91.079156] CPU: 2 PID: 1729 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 91.087801] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 91.094604] RIP: 0010:0xffffa98a406d9000 [ 91.098970] Code: Unable to access opcode bytes at RIP 0xffffa98a406d8fd6. [ 91.106645] RSP: 0018:ffffa98a42417e38 EFLAGS: 00010246 [ 91.112477] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 91.120444] RDX: 0000000000000000 RSI: ffff8ff0bad1bf70 RDI: ffff8ff0bad1bf70 [ 91.128410] RBP: ffffa98a406d9000 R08: 0000000000000000 R09: 0000000000000000 [ 91.136375] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 91.144341] R13: ffffa98a42417f10 R14: ffffa98a42417f10 R15: ffff8ff048086000 [ 91.152307] FS: 00007fb5d9a85580(0000) GS:ffff8ff0bad00000(0000) knlGS:0000000000000000 [ 91.161341] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 91.167754] CR2: ffffa98a406d8fd6 CR3: 000000010749c003 CR4: 00000000003706e0 [ 91.175723] Call Trace: [ 91.178452] ? execute_location+0x48/0x56 [ 91.182927] ? lkdtm_EXEC_VMALLOC+0x20/0x30 [ 91.187593] ? direct_entry.cold+0x2c/0x38 [ 91.192165] ? full_proxy_write+0x56/0x80 [ 91.196637] ? vfs_write+0xea/0x390 [ 91.200527] ? ksys_write+0x68/0xe0 [ 91.204418] ? do_syscall_64+0x33/0x40 [ 91.208591] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 91.214415] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_se[ 91.240864] CR2: ffffa98a406d9000 [ 91.250770] ---[ end trace 3f56960d4fcd6e24 ]--- [ 91.255924] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 91.260297] Code: 59 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 1b 70 02 [ 91.281286] RSP: 0018:ffffa98a413f7e60 EFLAGS: 00010286 [ 91.287139] RAX: ffffffff99eb1930 RBX: 0000000000000001 RCX: 0000000000000000 [ 91.295106] RDX: 0000000000000000 RSI: ffff8ff0bac1bf70 RDI: ffffffff9aad9a70 [ 91.303087] RBP: ffffffff9af1b680 R08: 0000000000000001 R09: 0000000000000001 [ 91.311052] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 91.319027] R13: ffffa98a413f7f10 R14: ffffa98a413f7f10 R15: ffff8ff0465ad000 [ 91.326993] FS: 00007fb5d9a85580(0000) GS:ffff8ff0bad00000(0000) knlGS:0000000000000000 [ 91.336030] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 91.342435] CR2: ffffa98a406d8fd6 CR3: 000000010749c003 CR4: 00000000003706e0 [ 91.350401] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 91.360307] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1729, name: cat [ 91.368759] INFO: lockdep is turned off. [ 91.373131] irq event stamp: 0 [ 91.376534] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 91.383532] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 91.392666] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 91.401789] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 91.408784] CPU: 2 PID: 1729 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 91.417431] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 91.424233] Call Trace: [ 91.426961] dump_stack+0x77/0x97 [ 91.430657] ___might_sleep.cold+0xa6/0xb6 [ 91.435227] exit_signals+0x1c/0x2d0 [ 91.439214] do_exit+0xd5/0xb00 [ 91.442707] ? ksys_write+0x68/0xe0 [ 91.446598] rewind_stack_do_exit+0x17/0x20 [ 91.451256] RIP: 0033:0x7fb5d99adf33 [ 91.455242] 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 [ 91.476218] RSP: 002b:00007ffef62f6b88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 91.484669] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007fb5d99adf33 [ 91.492636] RDX: 000000000000000d RSI: 00007fb5d989e000 RDI: 0000000000000001 [ 91.500602] RBP: 00007fb5d989e000 R08: 00007fb5d989d010 R09: 0000000000000000 [ 91.508570] R10: 00007fb5d9aa81c0 R11: 0000000000000246 R12: 0000000000000001 [ 91.516535] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 nsorhub cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 87.843137] ---[ end trace 3f56960d4fcd6e1f ]--- # [ 87.848292] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 87.852659] Code: 59 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 1b 70 02 # [ 87.873641] RSP: 0018:ffffa98a413f7e60 EFLAGS: 00010286 # [ 87.879475] RAX: ffffffff99eb1930 RBX: 0000000000000001 RCX: 0000000000000000 # [ 87.887443] RDX: 0000000000000000 RSI: ffff8ff0bac1bf70 RDI: ffffffff9aad9a70 # [ 87.895408] RBP: ffffffff9af1b680 R08: 0000000000000001 R09: 0000000000000001 # [ 87.903377] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 87[ 91.604914] lkdtm: Performing direct entry EXEC_RODATA .911345] R13: ffffa98a413f7f10 R14: ffffa98a413f7f10 R15: ffff8f[ 91.611103] lkdtm: attempting ok execution at ffffffff99eb1d00 [ 91.623837] lkdtm: attempting bad execution at ffffffff9aad9f00 [ 91.630476] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 91.638844] BUG: unable to handle page fault for address: ffffffff9aad9f00 [ 91.646521] #PF: supervisor instruction fetch in kernel mode [ 91.652827] #PF: error_code(0x0011) - permissions violation [ 91.659048] PGD 104a29067 P4D 104a29067 PUD 104a2a063 PMD 80000001044000e1 [ 91.666824] Oops: 0011 [#9] SMP PTI [ 91.670713] CPU: 3 PID: 1765 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 91.679359] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 91.686167] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 [ 91.691901] Code: ff ff f7 92 4f 9a ff ff ff ff 62 06 ec 9a ff ff ff ff ad 7a 4f 9a 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 [ 91.712879] RSP: 0018:ffffa98a4249fe48 EFLAGS: 00010246 [ 91.718712] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 91.726680] RDX: 0000000000000000 RSI: ffff8ff0bad9bf70 RDI: ffff8ff0bad9bf70 [ 91.734647] RBP: ffffffff9aad9f00 R08: 0000000000000000 R09: 0000000000000000 [ 91.742613] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 91.750580] R13: ffffa98a4249ff10 R14: ffffa98a4249ff10 R15: ffff8ff048c0b000 [ 91.758549] FS: 00007f3700099580(0000) GS:ffff8ff0bad80000(0000) knlGS:0000000000000000 [ 91.767584] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 91.773999] CR2: ffffffff9aad9f00 CR3: 000000010736c005 CR4: 00000000003706e0 [ 91.781988] Call Trace: [ 91.784714] ? execute_location+0x48/0x56 [ 91.789187] ? direct_entry.cold+0x2c/0x38 [ 91.793759] ? full_proxy_write+0x56/0x80 [ 91.798233] ? vfs_write+0xea/0x390 [ 91.802122] ? ksys_write+0x68/0xe0 [ 91.806031] ? do_syscall_64+0x33/0x40 [ 91.810203] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 91.816035] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 91.842463] CR2: ffffffff9aad9f00 [ 91.846160] ---[ end trace 3f56960d4fcd6e25 ]--- [ 91.851316] RIP: 0010:lkdtm_BUG+0x5/0x10 f0465ad000 # [ 87.919314] FS: 00007f413bc0b580(0000) GS:ffff[ 91.855691] Code: 59 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 1b 70 02 [ 91.882884] RSP: 0018:ffffa98a413f7e60 EFLAGS: 00010286 [ 91.888714] RAX: ffffffff99eb1930 RBX: 0000000000000001 RCX: 0000000000000000 [ 91.896681] RDX: 0000000000000000 RSI: ffff8ff0bac1bf70 RDI: ffffffff9aad9a70 [ 91.904647] RBP: ffffffff9af1b680 R08: 0000000000000001 R09: 0000000000000001 [ 91.912614] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 91.920579] R13: ffffa98a413f7f10 R14: ffffa98a413f7f10 R15: ffff8ff0465ad000 [ 91.928546] FS: 00007f3700099580(0000) GS:ffff8ff0bad80000(0000) knlGS:0000000000000000 [ 91.937580] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 91.943994] CR2: ffffffff9aad9f00 CR3: 000000010736c005 CR4: 00000000003706e0 8ff0bad80000(0000) knlGS:0000000000000000 # [ 87.928351] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 87.934762] CR2: ffffa98a41988000 CR3: 0000000106922002 CR4: 00000000003706e0 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 88.047681] lkdtm: Performing direct entry UNSET_SMEP # [ 88.054076] lkdtm: trying to clear SMEP normally # [ 88.065450] ------------[ cut here ]------------ # [ 88.076823] pinned CR4 bits changed: 0x100000!? # [ 88.081906] WARNING: CPU: 1 PID: 1114 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x41/0x60 # [ 88.098294] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec[ 92.027869] lkdtm: Performing direct entry EXEC_USERSPACE _sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg[ 92.038845] lkdtm: attempting ok execution at ffffffff99eb1d00 _temp_thermal cros_ec_dev cros_usbpd_notify # [ 88.130929] CP[ 92.051590] lkdtm: attempting bad execution at 00007fac3b9ad000 U: 1 PID: 1114 Comm: cat Tainted: G D W 5.10.131-ci[ 92.064390] unable to execute userspace code (SMEP?) (uid: 0) [ 92.077016] BUG: unable to handle page fault for address: 00007fac3b9ad000 [ 92.084692] #PF: supervisor instruction fetch in kernel mode [ 92.091009] #PF: error_code(0x0011) - permissions violation p1[3 #1 # [ 88.139602] Hardware name: Google Rammus/Rammus, BI 92.097221] PGD 80000001027e4067 P4D 80000001027e4067 PUD 106c4a067 PMD 10677d067 PTE 1165d3067 [ 92.113155] Oops: 0011 [#10] SMP PTI [ 92.117142] CPU: 1 PID: 1801 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 92.125780] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 92.132585] RIP: 0010:0x7fac3b9ad000 [ 92.136571] Code: Unable to access opcode bytes at RIP 0x7fac3b9acfd6. [ 92.143859] RSP: 0018:ffffa98a42527e50 EFLAGS: 00010246 [ 92.149689] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 [ 92.157656] RDX: 0000000000000000 RSI: ffff8ff0bac9bf70 RDI: ffff8ff0bac9bf70 [ 92.165623] RBP: 00007fac3b9ad000 R08: 0000000000000000 R09: 0000000000000000 [ 92.173589] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f [ 92.181556] R13: ffffa98a42527f10 R14: ffffa98a42527f10 R15: ffff8ff042705000 [ 92.189522] FS: 00007fac3b97e580(0000) GS:ffff8ff0bac80000(0000) knlGS:0000000000000000 [ 92.198556] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 92.204969] CR2: 00007fac3b9ad000 CR3: 000000010736c006 CR4: 00000000003706e0 [ 92.212936] Call Trace: [ 92.215664] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae OS 09/04/2020 # [ 88.152620] RIP: 0010:native_write_cr4+0x41[ 92.221031] ? direct_entry.cold+0x2c/0x38 [ 92.231814] ? full_proxy_write+0x56/0x80 /0x60 # [ 88.157777] Code: 08 31 00 48 39 c2 75 25 48 85 f6 7[ 92.236289] ? vfs_write+0xea/0x390 [ 92.246390] ? ksys_write+0x68/0xe0 [ 92.250279] ? do_syscall_64+0x33/0x40 [ 92.254461] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 5 01 c3 80 3d dc d8 c3 01 00 75 f6 48 c7 c7 68 fd df 9a c6 05 cc[ 92.260284] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 92.292916] CR2: 00007fac3b9ad000 [ 92.296612] ---[ end trace 3f56960d4fcd6e26 ]--- [ 92.301758] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 92.306134] Code: 59 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 1b 70 02 [ 92.327109] RSP: 0018:ffffa98a413f7e60 EFLAGS: 00010286 [ 92.332941] RAX: ffffffff99eb1930 RBX: 0000000000000001 RCX: 0000000000000000 [ 92.340908] RDX: 0000000000000000 RSI: ffff8ff0bac1bf70 RDI: ffffffff9aad9a70 [ 92.348875] RBP: ffffffff9af1b680 R08: 0000000000000001 R09: 0000000000000001 [ 92.356840] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 92.364807] R13: ffffa98a413f7f10 R14: ffffa98a413f7f10 R15: ffff8ff0465ad000 [ 92.372773] FS: 00007fac3b97e580(0000) GS:ffff8ff0bac80000(0000) knlGS:0000000000000000 [ 92.381807] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 92.388221] CR2: 00007fac3b9ad000 CR3: 000000010736c006 CR4: 00000000003706e0 [ 92.396189] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 92.406088] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1801, name: cat [ 92.414539] INFO: lockdep is turned off. [ 92.418913] irq event stamp: 0 [ 92.422318] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 92.429316] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 92.438439] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 92.447572] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 92.454568] CPU: 1 PID: 1801 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 92.463214] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 92.470029] Call Trace: [ 92.472755] dump_stack+0x77/0x97 d8 c3 01 01 e8 85 c7 e0 00 <0f> 0b c3 48 89 d6 48 81 e7 ff f7 c[ 92.476454] ___might_sleep.cold+0xa6/0xb6 [ 92.487236] exit_signals+0x1c/0x2d0 [ 92.491223] do_exit+0xd5/0xb00 [ 92.494723] ? ksys_write+0x68/0xe0 [ 92.498614] rewind_stack_do_exit+0x17/0x20 [ 92.503280] RIP: 0033:0x7fac3b8a6f33 [ 92.507268] 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 [ 92.528234] RSP: 002b:00007ffcea7b8fa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 92.536687] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007fac3b8a6f33 [ 92.544655] RDX: 000000000000000f RSI: 00007fac3b797000 RDI: 0000000000000001 [ 92.552620] RBP: 00007fac3b797000 R08: 00007fac3b796010 R09: 0000000000000000 [ 92.560588] R10: 00007fac3b9a11c0 R11: 0000000000000246 R12: 0000000000000001 [ 92.568553] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 e ff 48 31 c6 48 09 c7 eb ac 66 # [ 88.184964] RSP: 0018:ffffa98a41a17e48 EFLAGS: 00010286 # [ 88.190800] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 # [ 88.204980] RDX: ffff8ff0bacac660 RSI: ffff8ff0bac9bf70 RDI: ffff8ff0bac9bf70 # [ 88.212949] RBP: ffffffff9aec02ed R08: 0000000000000000 R09: 0000000000000000 # [ 88.227127] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 88.235095] R13: ffffa98a41a17f10 R14: ffffa98a41a17f10 R15: ffff8ff0474b3000 # [ 88.243069] FS: 00007efeed596580(0000) GS:ffff8ff0bac80000(0000) knlGS:0000000000000000 # [ 88.252138] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 88.264764] CR2: 00007efeed3af000 CR3: 0000000106c3c004 CR4: 00000000003706e0 # [ 88.272734] Call Trace: # [ 88.275466] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 88.286538] direct_entry.cold+0x2c/0x38 # [ [ 92.660382] lkdtm: Performing direct entry EXEC_NULL 88.297133] full_proxy_write+0x56/0x80 # [ 88.307630] vfs_w[ 92.669167] lkdtm: attempting ok execution at ffffffff99eb1d00 rite+0xea/0x390 # [ 88.311356] ksys_write+0x68/0xe0 # [ 8[ 92.681887] lkdtm: attempting bad execution at 0000000000000000 8.321262] do_syscall_64+0x33/0x40 # [ 88.325255] entry_SYSC[ 92.694710] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 92.708683] #PF: supervisor instruction fetch in kernel mode [ 92.714990] #PF: error_code(0x0010) - not-present page [ 92.720724] PGD 0 P4D 0 [ 92.723539] Oops: 0010 [#11] SMP PTI [ 92.727518] CPU: 0 PID: 1837 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 92.736156] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 92.742959] RIP: 0010:0x0 [ 92.745879] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 92.753556] RSP: 0018:ffffa98a425bfe48 EFLAGS: 00010246 [ 92.759388] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 92.767353] RDX: 0000000000000000 RSI: ffff8ff0bac1bf70 RDI: ffff8ff0bac1bf70 [ 92.775320] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 92.783285] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 92.791254] R13: ffffa98a425bff10 R14: ffffa98a425bff10 R15: ffff8ff0429c6000 [ 92.799221] FS: 00007f54f2072580(0000) GS:ffff8ff0bac00000(0000) knlGS:0000000000000000 [ 92.808257] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 92.814670] CR2: ffffffffffffffd6 CR3: 0000000106c4e006 CR4: 00000000003706f0 [ 92.822637] Call Trace: [ 92.825366] execute_location+0x48/0x56 [ 92.829652] direct_entry.cold+0x2c/0x38 [ 92.834033] full_proxy_write+0x56/0x80 [ 92.838318] vfs_write+0xea/0x390 [ 92.842005] ksys_write+0x68/0xe0 [ 92.845701] do_syscall_64+0x33/0x40 [ 92.849679] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 92.855317] RIP: 0033:0x7f54f1f9af33 [ 92.859304] 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 [ 92.880282] RSP: 002b:00007ffef531e278 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 92.888736] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f54f1f9af33 [ 92.896700] RDX: 000000000000000a RSI: 00007f54f1e8b000 RDI: 0000000000000001 [ 92.904667] RBP: 00007f54f1e8b000 R08: 00007f54f1e8a010 R09: 0000000000000000 [ 92.912634] R10: 00007f54f20951c0 R11: 0000000000000246 R12: 0000000000000001 [ 92.920602] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 92.928569] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 92.954994] CR2: 0000000000000000 [ 92.958693] ---[ end trace 3f56960d4fcd6e27 ]--- [ 92.963847] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 92.968221] Code: 59 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 1b 70 02 [ 92.989200] RSP: 0018:ffffa98a413f7e60 EFLAGS: 00010286 [ 92.995031] RAX: ffffffff99eb1930 RBX: 0000000000000001 RCX: 0000000000000000 [ 93.002997] RDX: 0000000000000000 RSI: ffff8ff0bac1bf70 RDI: ffffffff9aad9a70 [ 93.010963] RBP: ffffffff9af1b680 R08: 0000000000000001 R09: 0000000000000001 [ 93.018931] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 93.026899] R13: ffffa98a413f7f10 R14: ffffa98a413f7f10 R15: ffff8ff0465ad000 [ 93.034866] FS: 00007f54f2072580(0000) GS:ffff8ff0bac00000(0000) knlGS:0000000000000000 [ 93.043902] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 93.050314] CR2: ffffffffffffffd6 CR3: 0000000106c4e006 CR4: 00000000003706f0 ALL_64_after_hwframe+0x44/0xa9 # [ 88.337109] RIP: 0033:0x7efeed4bef33 # [ 88.347312] 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 # [ 88.374506] RSP: 002b:00007ffc75bc3958 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 88.389173] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007efeed4bef33 # [ 88.397149] RDX: 000000000000000b RSI: 00007efeed3af000 RDI: 0000000000000001 # [ 88.411335] RBP: 00007efeed3af000 R08: 00007efeed3ae010 R09: 0000000000000000 # [ 88.425515] R10: 00007efeed5b91c0 R11: 0000000000000246 R12: 0000000000000001 # [ 88.433485] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 88.441456] irq event stamp: 0 # [ 88.451100] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 88.458100] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 88.473440] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 88.482575] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 88.495783] ---[ end trace 3f56960d4fcd6e20 ]--- # [ 88.500937] lkdtm: ok: SMEP did not get cleared # [ 88.505991] lkdtm: trying to clear SMEP with call gadget # [ 88.511921] 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 # [ 88.576378] lkdtm: Performing direct entry DOUBLE_FAULT # [ 88.585130] 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 # [ 88.656576] lkdtm: Performing direct entry CORRUPT_PAC # [ 88.664365] lkdtm: XFAIL: this test is arm64-only # CORRUPT_PAC: saw 'XFAIL': [SKIP] ok 16 selftests: lkdtm: CORRUPT_PAC.sh # SKIP # selftests: l[ 93.246848] lkdtm: Performing direct entry ACCESS_USERSPACE kdtm: UNALIGNED_LOAD_STORE_WRITE.sh # [ 88.763743] lkdtm: Per[ 93.257217] lkdtm: attempting bad read at 00007ff8516a7000 forming direct entry UNALIGNED_LOAD_STORE_WRITE # [ 88.776322[ 93.269574] BUG: unable to handle page fault for address: 00007ff8516a7000 [ 93.283442] #PF: supervisor read access in kernel mode [ 93.289166] #PF: error_code(0x0001) - permissions violation [ 93.295386] PGD 8000000102648067 P4D 8000000102648067 PUD 106700067 PMD 1080ed067 PTE 1159a5067 ] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS[ 93.305105] Oops: 0001 [#12] SMP PTI [ 93.315308] CPU: 1 PID: 1872 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 93.323955] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 93.330760] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x3d/0x9f # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP] ok 17 selfte[ 93.336980] Code: 2b 04 25 28 00 00 00 75 60 48 83 c4 10 5d c3 48 89 ee 48 c7 c7 80 13 ec 9a e8 55 9d fd ff 48 c7 c7 a8 13 ec 9a b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 3c 9d fd ff 48 89 ee 48 c7 c7 d0 13 ec [ 93.364166] RSP: 0018:ffffa98a4264fe48 EFLAGS: 00010246 [ 93.369998] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 [ 93.377964] RDX: 0000000000000000 RSI: ffff8ff0bac9bf70 RDI: ffffffff9aec13a8 [ 93.385930] RBP: 00007ff8516a7000 R08: 0000000000000000 R09: 0000000000000000 [ 93.393897] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 [ 93.401864] R13: ffffa98a4264ff10 R14: ffffa98a4264ff10 R15: ffff8ff048be9000 [ 93.409830] FS: 00007ff851678580(0000) GS:ffff8ff0bac80000(0000) knlGS:0000000000000000 [ 93.418866] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 93.425279] CR2: 00007ff8516a7000 CR3: 0000000106978004 CR4: 00000000003706e0 [ 93.433243] Call Trace: [ 93.435969] direct_entry.cold+0x2c/0x38 sts: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP # selftests: l[ 93.440348] full_proxy_write+0x56/0x80 [ 93.450834] vfs_write+0xea/0x390 [ 93.454530] ksys_write+0x68/0xe0 [ 93.458227] do_syscall_64+0x33/0x40 [ 93.462215] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 93.467853] RIP: 0033:0x7ff8515a0f33 [ 93.471838] 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 [ 93.492815] RSP: 002b:00007ffda66d9168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 93.501266] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007ff8515a0f33 [ 93.509233] RDX: 0000000000000011 RSI: 00007ff851491000 RDI: 0000000000000001 [ 93.517199] RBP: 00007ff851491000 R08: 00007ff851490010 R09: 0000000000000000 [ 93.525165] R10: 00007ff85169b1c0 R11: 0000000000000246 R12: 0000000000000001 [ 93.533132] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 kdtm: OVERWRITE_ALLOCATION.sh # Skipping OVERWRITE_ALLOCATION: [ 93.541100] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 93.573730] CR2: 00007ff8516a7000 [ 93.577416] ---[ end trace 3f56960d4fcd6e28 ]--- [ 93.582569] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 93.586943] Code: 59 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 1b 70 02 [ 93.607919] RSP: 0018:ffffa98a413f7e60 EFLAGS: 00010286 [ 93.613741] RAX: ffffffff99eb1930 RBX: 0000000000000001 RCX: 0000000000000000 [ 93.621707] RDX: 0000000000000000 RSI: ffff8ff0bac1bf70 RDI: ffffffff9aad9a70 [ 93.629672] RBP: ffffffff9af1b680 R08: 0000000000000001 R09: 0000000000000001 [ 93.637637] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 93.645602] R13: ffffa98a413f7f10 R14: ffffa98a413f7f10 R15: ffff8ff0465ad000 [ 93.653569] FS: 00007ff851678580(0000) GS:ffff8ff0bac80000(0000) knlGS:0000000000000000 [ 93.662604] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 93.669028] CR2: 00007ff8516a7000 CR3: 0000000106978004 CR4: 00000000003706e0 [ 93.676992] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 93.686901] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1872, name: cat [ 93.695352] INFO: lockdep is turned off. [ 93.699726] irq event stamp: 0 [ 93.703129] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 93.710118] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 93.719250] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 93.728373] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 93.735370] CPU: 1 PID: 1872 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 93.744030] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 93.750832] Call Trace: [ 93.753557] dump_stack+0x77/0x97 [ 93.757254] ___might_sleep.cold+0xa6/0xb6 [ 93.761822] exit_signals+0x1c/0x2d0 [ 93.765808] do_exit+0xd5/0xb00 [ 93.769307] ? ksys_write+0x68/0xe0 [ 93.773199] rewind_stack_do_exit+0x17/0x20 [ 93.777864] RIP: 0033:0x7ff8515a0f33 [ 93.781850] 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 [ 93.802825] RSP: 002b:00007ffda66d9168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 93.811278] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007ff8515a0f33 [ 93.819244] RDX: 0000000000000011 RSI: 00007ff851491000 RDI: 0000000000000001 [ 93.827209] RBP: 00007ff851491000 R08: 00007ff851490010 R09: 0000000000000000 [ 93.835175] R10: 00007ff85169b1c0 R11: 0000000000000246 R12: 0000000000000001 [ 93.843140] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 Corrupts memory on failure ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP # selftests: lkdtm: WRITE_AFTER_FREE.sh # Skipping WRITE_AFTER_FREE: Corrupts memory on failure ok 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_AFTER_FREE.sh # [ 88.894863] lkdtm: Performing direct entry READ_AFTER_FREE # [ 88.901925] lkdtm: Value in memory before free: 12345678 # [ 88.914091] lkdtm: Attempting bad read from freed memory # [ 88.926235] 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_A[ 93.923572] lkdtm: Performing direct entry ACCESS_NULL FTER_FREE.sh # SKIP # selftests: lkdtm: READ_BUDDY_AFTER_FREE.s[ 93.931463] lkdtm: attempting bad read at 0000000000000000 h # [ 89.019638] lkdtm: Performing direct entry READ_BUDDY_AF[ 93.943813] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 93.957791] #PF: supervisor read access in kernel mode TER_FREE # [ 89.030758] lkdtm: Value in memory before free: 1[ 93.963527] #PF: error_code(0x0000) - not-present page [ 93.975476] PGD 0 P4D 0 2345678 # [ 89.036702] lkdtm: Attempting to read from freed m[ 93.978301] Oops: 0000 [#13] SMP PTI [ 93.988502] CPU: 1 PID: 1907 Comm: cat Tainted: G D W 5.10.131-cip13 #1 emory # [ 89.042545] lkdtm: Buddy page was not poisoned # RE[ 93.997150] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 94.010170] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 AD_BUDDY_AFTER_FREE: missing 'call trace:': [FAIL] not ok 22 se[ 94.015420] Code: f9 9c fd ff be 00 10 00 00 48 89 ef e8 d6 c7 3f ff e9 6d ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 80 13 ec 9a e8 d3 9c fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 a8 13 ec 9a 48 01 [ 94.042608] RSP: 0018:ffffa98a426efe58 EFLAGS: 00010246 [ 94.048438] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 [ 94.056404] RDX: 0000000000000000 RSI: ffff8ff0bac9bf70 RDI: ffff8ff0bac9bf70 [ 94.064370] RBP: ffffffff9aec0471 R08: 0000000000000000 R09: 0000000000000000 [ 94.072338] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 94.080305] R13: ffffa98a426eff10 R14: ffffa98a426eff10 R15: ffff8ff048b36000 [ 94.088273] FS: 00007fab76a33580(0000) GS:ffff8ff0bac80000(0000) knlGS:0000000000000000 [ 94.097299] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 94.103712] CR2: 0000000000000000 CR3: 00000001065a4006 CR4: 00000000003706e0 [ 94.111678] Call Trace: [ 94.114403] direct_entry.cold+0x2c/0x38 lftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # exit=1 # selftests: [ 94.118781] full_proxy_write+0x56/0x80 [ 94.129269] vfs_write+0xea/0x390 [ 94.132955] ksys_write+0x68/0xe0 [ 94.136653] do_syscall_64+0x33/0x40 [ 94.140640] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 94.146278] RIP: 0033:0x7fab7695bf33 [ 94.150264] 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 [ 94.171242] RSP: 002b:00007fffb96cd428 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 94.179686] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fab7695bf33 [ 94.187652] RDX: 000000000000000c RSI: 00007fab7684c000 RDI: 0000000000000001 [ 94.195619] RBP: 00007fab7684c000 R08: 00007fab7684b010 R09: 0000000000000000 [ 94.203585] R10: 00007fab76a561c0 R11: 0000000000000246 R12: 0000000000000001 [ 94.211550] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 lkdtm: SLAB_FREE_DOUBLE.sh # [ 89.109212] lkdtm: Performing d[ 94.219519] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 94.252152] CR2: 0000000000000000 [ 94.255849] ---[ end trace 3f56960d4fcd6e29 ]--- [ 94.261001] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 94.265401] Code: 59 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 1b 70 02 [ 94.286370] RSP: 0018:ffffa98a413f7e60 EFLAGS: 00010286 [ 94.292201] RAX: ffffffff99eb1930 RBX: 0000000000000001 RCX: 0000000000000000 [ 94.300168] RDX: 0000000000000000 RSI: ffff8ff0bac1bf70 RDI: ffffffff9aad9a70 [ 94.308133] RBP: ffffffff9af1b680 R08: 0000000000000001 R09: 0000000000000001 [ 94.316099] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 94.324080] R13: ffffa98a413f7f10 R14: ffffa98a413f7f10 R15: ffff8ff0465ad000 [ 94.332048] FS: 00007fab76a33580(0000) GS:ffff8ff0bac80000(0000) knlGS:0000000000000000 [ 94.341084] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 94.347496] CR2: 0000000000000000 CR3: 00000001065a4006 CR4: 00000000003706e0 irect entry SLAB_FREE_DOUBLE # [ 89.115933] lkdtm: Attempting double slab free ... # SLAB_FREE_DOUBLE: missing 'call trace:': [FAIL] not ok 23 selftests: lkdtm: SLAB_FREE_DOUBLE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_CROSS.sh # [ 89.186899] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 89.195781] 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 # [ 89.262755] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 89.269806] 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: SPINLOC[ 94.460672] lkdtm: Performing direct entry WRITE_RO KUP.sh # SKIP # selftests: lkdtm: HUNG_TASK.sh # Skipping HUNG[ 94.466585] lkdtm: attempting bad rodata write at ffffffff9aad9ef0 _TASK: Hangs the system ok 29 selftests: lkdtm: HUNG_TASK.sh # [ 94.479708] BUG: unable to handle page fault for address: ffffffff9aad9ef0 [ 94.493595] #PF: supervisor write access in kernel mode [ 94.499425] #PF: error_code(0x0003) - permissions violation [ 94.505642] PGD 104a29067 P4D 104a29067 PUD 104a2a063 PMD 80000001044000e1 [ 94.513419] Oops: 0003 [#14] SMP PTI [ 94.517406] CPU: 1 PID: 1942 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 94.526043] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 94.532848] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a SKIP # selftests: lkdtm: EXEC_DATA.sh # Killed # [ 89.43431[ 94.537806] Code: 00 48 c7 c7 60 12 ec 9a 48 c7 c6 f0 9e ad 9a e8 75 9f fd ff 48 8b 05 f8 20 5e 00 ba 34 12 cd ab 48 c7 c7 90 12 ec 9a 48 31 d0 <48> 89 05 e2 20 5e 00 e9 53 9f fd ff 0f 1f 44 00 00 48 8b 05 09 45 [ 94.564994] RSP: 0018:ffffa98a4274fe60 EFLAGS: 00010202 [ 94.570825] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 [ 94.578791] RDX: 00000000abcd1234 RSI: ffff8ff0bac9bf70 RDI: ffffffff9aec1290 [ 94.586757] RBP: ffffffff9aec047d R08: 0000000000000000 R09: 0000000000000000 [ 94.594723] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 [ 94.602688] R13: ffffa98a4274ff10 R14: ffffa98a4274ff10 R15: ffff8ff046761000 [ 94.610654] FS: 00007f1ad3e6a580(0000) GS:ffff8ff0bac80000(0000) knlGS:0000000000000000 [ 94.619690] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 94.626103] CR2: ffffffff9aad9ef0 CR3: 000000010834a003 CR4: 00000000003706e0 [ 94.634080] Call Trace: [ 94.636796] direct_entry.cold+0x2c/0x38 [ 94.641165] full_proxy_write+0x56/0x80 5] lkdtm: Performing direct entry EXEC_DATA # [ 89.442485] lk[ 94.645447] vfs_write+0xea/0x390 [ 94.655351] ksys_write+0x68/0xe0 [ 94.659048] do_syscall_64+0x33/0x40 [ 94.663036] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 94.668673] RIP: 0033:0x7f1ad3d92f33 [ 94.672660] 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 [ 94.693635] RSP: 002b:00007ffdaf2b7ce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 94.702087] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f1ad3d92f33 [ 94.710054] RDX: 0000000000000009 RSI: 00007f1ad3c83000 RDI: 0000000000000001 [ 94.718028] RBP: 00007f1ad3c83000 R08: 00007f1ad3c82010 R09: 0000000000000000 [ 94.725994] R10: 00007f1ad3e8d1c0 R11: 0000000000000246 R12: 0000000000000001 [ 94.733953] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 dtm: attempting ok execution at ffffffff99eb1d00 # [ 89.45521[ 94.741921] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 94.774551] CR2: ffffffff9aad9ef0 [ 94.778238] ---[ end trace 3f56960d4fcd6e2a ]--- [ 94.783391] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 94.787766] Code: 59 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 1b 70 02 [ 94.808741] RSP: 0018:ffffa98a413f7e60 EFLAGS: 00010286 [ 94.814573] RAX: ffffffff99eb1930 RBX: 0000000000000001 RCX: 0000000000000000 [ 94.822540] RDX: 0000000000000000 RSI: ffff8ff0bac1bf70 RDI: ffffffff9aad9a70 [ 94.830507] RBP: ffffffff9af1b680 R08: 0000000000000001 R09: 0000000000000001 [ 94.838473] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 94.846440] R13: ffffa98a413f7f10 R14: ffffa98a413f7f10 R15: ffff8ff0465ad000 [ 94.854406] FS: 00007f1ad3e6a580(0000) GS:ffff8ff0bac80000(0000) knlGS:0000000000000000 [ 94.863440] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 94.869853] CR2: ffffffff9aad9ef0 CR3: 000000010834a003 CR4: 00000000003706e0 1] lkdtm: attempting bad execution at ffffffff9c5b3560 # [ 89.468060] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 89.482623] BUG: unable to handle page fault for address: ffffffff9c5b3560 # [ 89.490301] #PF: supervisor instruction fetch in kernel mode # [ 89.496619] #PF: error_code(0x0011) - permissions violation # [ 89.502837] PGD 104a29067 P4D 104a29067 PUD 104a2a063 PMD 8000000105e000e3 # [ 89.510604] Oops: 0011 [#5] SMP PTI # [ 89.514494] CPU: 1 PID: 1621 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 89.523141] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 89.529946] RIP: 0010:data_area+0x0/0x40 # [ 89.534323] Code: ff ff 00 09 25 40 f0 8f ff ff 00 08 25 40 f0 8f ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 94.953773] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT 00 00 00 <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f[ 94.965155] lkdtm: attempting bad ro_after_init write at ffffffff9af3c328 44 00 00 55 # [ 89.561513] RSP: 0018:ffffa98a4225fe48 EFLAGS[ 94.978963] BUG: unable to handle page fault for address: ffffffff9af3c328 [ 94.992832] #PF: supervisor write access in kernel mode [ 94.998653] #PF: error_code(0x0003) - permissions violation [ 95.004872] PGD 104a29067 P4D 104a29067 PUD 104a2a063 PMD 107ea3063 PTE 800000010493c061 [ 95.013914] Oops: 0003 [#15] SMP PTI [ 95.017902] CPU: 0 PID: 1977 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 95.026541] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 95.033347] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a [ 95.039377] Code: 12 ec 9a e9 27 9f fd ff 48 c7 c7 e8 12 ec 9a e8 1b 9f fd ff 48 8b 05 d6 44 a4 00 ba 34 12 cd ab 48 c7 c7 90 12 ec 9a 48 31 d0 <48> 89 05 c0 44 a4 00 e9 f9 9e fd ff 0f 1f 44 00 00 41 54 48 c7 c7 [ 95.060356] RSP: 0018:ffffa98a427d7e60 EFLAGS: 00010202 [ 95.066189] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 [ 95.074156] RDX: 00000000abcd1234 RSI: ffff8ff0bac1bf70 RDI: ffffffff9aec1290 [ 95.082124] RBP: ffffffff9aec0486 R08: 0000000000000000 R09: 0000000000000000 [ 95.090094] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 [ 95.098063] R13: ffffa98a427d7f10 R14: ffffa98a427d7f10 R15: ffff8ff048a3a000 [ 95.106030] FS: 00007fba569be580(0000) GS:ffff8ff0bac00000(0000) knlGS:0000000000000000 [ 95.115065] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 95.121480] CR2: ffffffff9af3c328 CR3: 00000001028d4006 CR4: 00000000003706f0 [ 95.129448] Call Trace: [ 95.132174] direct_entry.cold+0x2c/0x38 [ 95.136544] full_proxy_write+0x56/0x80 [ 95.140830] vfs_write+0xea/0x390 [ 95.144517] ksys_write+0x68/0xe0 [ 95.148218] do_syscall_64+0x33/0x40 [ 95.152207] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 95.157847] RIP: 0033:0x7fba568e6f33 [ 95.161835] 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 [ 95.182803] RSP: 002b:00007ffea3fa4e38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 95.191258] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fba568e6f33 [ 95.199224] RDX: 0000000000000014 RSI: 00007fba567d7000 RDI: 0000000000000001 [ 95.207191] RBP: 00007fba567d7000 R08: 00007fba567d6010 R09: 0000000000000000 [ 95.215158] R10: 00007fba569e11c0 R11: 0000000000000246 R12: 0000000000000001 [ 95.223124] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 95.231093] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 95.257527] CR2: ffffffff9af3c328 [ 95.261216] ---[ end trace 3f56960d4fcd6e2b ]--- [ 95.266371] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 95.270746] Code: 59 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 1b 70 02 [ 95.291724] RSP: 0018:ffffa98a413f7e60 EFLAGS: 00010286 [ 95.297556] RAX: ffffffff99eb1930 RBX: 0000000000000001 RCX: 0000000000000000 [ 95.305523] RDX: 0000000000000000 RSI: ffff8ff0bac1bf70 RDI: ffffffff9aad9a70 [ 95.313492] RBP: ffffffff9af1b680 R08: 0000000000000001 R09: 0000000000000001 [ 95.321460] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 95.329427] R13: ffffa98a413f7f10 R14: ffffa98a413f7f10 R15: ffff8ff0465ad000 [ 95.337394] FS: 00007fba569be580(0000) GS:ffff8ff0bac00000(0000) knlGS:0000000000000000 [ 95.346431] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 95.352846] CR2: ffffffff9af3c328 CR3: 00000001028d4006 CR4: 00000000003706f0 [ 95.360814] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 95.370726] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1977, name: cat [ 95.379178] INFO: lockdep is turned off. [ 95.383552] irq event stamp: 0 [ 95.386958] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 95.393947] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 95.403079] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 95.412212] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 95.419210] CPU: 0 PID: 1977 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 95.427857] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 95.434661] Call Trace: [ 95.437389] dump_stack+0x77/0x97 [ 95.441094] ___might_sleep.cold+0xa6/0xb6 [ 95.445665] exit_signals+0x1c/0x2d0 [ 95.449652] do_exit+0xd5/0xb00 [ 95.453154] ? ksys_write+0x68/0xe0 [ 95.457044] rewind_stack_do_exit+0x17/0x20 [ 95.461702] RIP: 0033:0x7fba568e6f33 [ 95.465687] 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 [ 95.486666] RSP: 002b:00007ffea3fa4e38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 95.495121] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fba568e6f33 [ 95.503089] RDX: 0000000000000014 RSI: 00007fba567d7000 RDI: 0000000000000001 [ 95.511054] RBP: 00007fba567d7000 R08: 00007fba567d6010 R09: 0000000000000000 [ 95.519022] R10: 00007fba569e11c0 R11: 0000000000000246 R12: 0000000000000001 [ 95.526988] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 : 00010246 # [ 89.567335] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 89.575302] RDX: 0000000000000000 RSI: ffff8ff0bac9bf70 RDI: ffff8ff0bac9bf70 # [ 89.583270] RBP: ffffffff9c5b3560 R08: 0000000000000000 R09: 0000000000000000 # [ 89.591237] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 89.599203] R13: ffffa98a4225ff10 R14: ffffa98a4225ff10 R15: ffff8ff04834b000 # [ 89.607170] FS: 00007efdfb536580(0000) GS:ffff8ff0bac80000(0000) knlGS:0000000000000000 # [ 89.616206] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 89.622619] CR2: ffffffff9c5b3560 CR3: 0000000106766005 CR4: 00000000003706e0 # [ 89.630587] Call Trace: # [ 89.633314] ? execute_location+0x48/0x56 # [ 89.637789] ? direct_entry.cold+0x2c/0x38 # [ 89.648570] ? full_proxy_write+0x56/0x80 # [ 89.653045] ? vfs_write+0xea/0x390 # [ 89.656935] ? ksys_write+0x68/0xe0 # [ 89.660816] ? do_syscall_64+0x33/0x40 # [ 89.664996] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 89.670829] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_senso[ 95.649488] lkdtm: Performing direct entry WRITE_KERN rhub cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_[ 95.658709] lkdtm: attempting bad 6578290 byte write at ffffffff9a4f7d72 thermal cros_ec_dev cros_usbpd_notify # [ 89.703461] CR2: fff[ 95.672416] BUG: unable to handle page fault for address: ffffffff9a4f7d72 [ 95.686301] #PF: supervisor write access in kernel mode [ 95.692135] #PF: error_code(0x0003) - permissions violation [ 95.698347] PGD 104a29067 P4D 104a29067 PUD 104a2a063 PMD 103e000e1 fffff9c5b3560 # [ 89.707148] ---[ end trace 3f56960d4fcd6e21 [ 95.705445] Oops: 0003 [#16] SMP PTI [ 95.715646] CPU: 1 PID: 2012 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 95.724296] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 95.731103] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e ]--- # [ 89.712300] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 89.71[ 95.736255] Code: 53 48 c7 c3 72 7d 4f 9a 49 89 dc 48 89 da 49 81 ec 00 1d eb 99 4c 89 e6 e8 ce 9e fd ff 48 89 df 4c 89 e1 48 c7 c6 00 1d eb 99 a4 48 c7 c7 90 12 ec 9a e8 b3 9e fd ff 5b 41 5c e9 b7 fe ff ff [ 95.763444] RSP: 0018:ffffa98a4280fe50 EFLAGS: 00010246 [ 95.769266] RAX: 000000000000003c RBX: ffffffff9a4f7d72 RCX: 0000000000646072 [ 95.777232] RDX: 0000000000000000 RSI: ffffffff99eb1d00 RDI: ffffffff9a4f7d72 [ 95.785196] RBP: ffffffff9aec049a R08: 0000000000000000 R09: 0000000000000000 [ 95.793161] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000646072 [ 95.801127] R13: ffffa98a4280ff10 R14: ffffa98a4280ff10 R15: ffff8ff048996000 [ 95.809093] FS: 00007f2532966580(0000) GS:ffff8ff0bac80000(0000) knlGS:0000000000000000 [ 95.818127] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 95.824540] CR2: ffffffff9a4f7d72 CR3: 000000010677c006 CR4: 00000000003706e0 [ 95.832506] Call Trace: [ 95.835235] direct_entry.cold+0x2c/0x38 6674] Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff f[ 95.839613] full_proxy_write+0x56/0x80 [ 95.850101] vfs_write+0xea/0x390 [ 95.853788] ksys_write+0x68/0xe0 [ 95.857485] do_syscall_64+0x33/0x40 [ 95.861464] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 95.867101] RIP: 0033:0x7f253288ef33 [ 95.871088] 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 [ 95.892079] RSP: 002b:00007fff8fefc3d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 95.900536] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f253288ef33 [ 95.908502] RDX: 000000000000000b RSI: 00007f253277f000 RDI: 0000000000000001 [ 95.916469] RBP: 00007f253277f000 R08: 00007f253277e010 R09: 0000000000000000 [ 95.924436] R10: 00007f25329891c0 R11: 0000000000000246 R12: 0000000000000001 [ 95.932402] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 f ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f[ 95.940370] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 95.973028] CR2: ffffffff9a4f7d72 [ 95.976724] ---[ end trace 3f56960d4fcd6e2c ]--- [ 95.981878] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 95.986253] Code: 59 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 1b 70 02 [ 96.007229] RSP: 0018:ffffa98a413f7e60 EFLAGS: 00010286 [ 96.013080] RAX: ffffffff99eb1930 RBX: 0000000000000001 RCX: 0000000000000000 [ 96.021047] RDX: 0000000000000000 RSI: ffff8ff0bac1bf70 RDI: ffffffff9aad9a70 [ 96.029028] RBP: ffffffff9af1b680 R08: 0000000000000001 R09: 0000000000000001 [ 96.036995] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 96.044963] R13: ffffa98a413f7f10 R14: ffffa98a413f7f10 R15: ffff8ff0465ad000 [ 96.052931] FS: 00007f2532966580(0000) GS:ffff8ff0bac80000(0000) knlGS:0000000000000000 [ 96.061967] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 96.068380] CR2: ffffffff9a4f7d72 CR3: 000000010677c006 CR4: 00000000003706e0 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 1b 70 02 # [ 89.737648] RSP: 0018:ffffa98a413f7e60 EFLAGS: 00010286 # [ 89.743479] RAX: ffffffff99eb1930 RBX: 0000000000000001 RCX: 0000000000000000 # [ 89.751445] RDX: 0000000000000000 RSI: ffff8ff0bac1bf70 RDI: ffffffff9aad9a70 # [ 89.759410] RBP: ffffffff9af1b680 R08: 0000000000000001 R09: 0000000000000001 # [ 89.767377] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 89.775342] R13: ffffa98a413f7f10 R14: ffffa98a413f7f10 R15: ffff8ff0465ad000 # [ 89.783308] FS: 00007efdfb536580(0000) GS:ffff8ff0bac80000(0000) knlGS:0000000000000000 # [ 89.792343] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 89.798755] CR2: ffffffff9c5b3560 CR3: 0000000106766005 CR4: 00000000003706e0 # [ 89.806721] BUG: sl[ 96.156971] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW eeping function called from invalid context at include/linux/per[ 96.163894] lkdtm: attempting good refcount_inc() without overflow cpu-rwsem.h:49 # [ 89.816627] in_atomic(): 0, irqs_disabled()[ 96.177017] lkdtm: attempting bad refcount_inc() overflow [ 96.189256] ------------[ cut here ]------------ : 1, non_block: 0, pid: 1621, name: cat # [ 89.825083] INFO: [ 96.194411] refcount_t: saturated; leaking memory. lockdep is turned off. # [ 89.829460] irq event stamp: 0 # [[ 96.206004] WARNING: CPU: 1 PID: 2047 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 89.832856] hardirqs last enabled at (0): [<0000000000000000>[ 96.221512] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 96.254141] CPU: 1 PID: 2047 Comm: cat Tainted: G D W 5.10.131-cip13 #1 ] 0x0 # [ 89.839853] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 89.848985] softirqs[ 96.281549] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 7a 21 76 01 00 75 f2 48 c7 c7 c0 be e5 9a c6 05 6a 21 76 01 01 e8 3d 0f 93 00 <0f> 0b c3 80 3d 5a 21 76 01 00 75 d3 48 c7 c7 e8 be e5 9a c6 05 4a [ 96.308737] RSP: 0018:ffffa98a428c7e48 EFLAGS: 00010286 last enabled at (0): [] copy_process+0x63c/0[ 96.314572] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 [ 96.328752] RDX: ffff8ff0bacac660 RSI: ffff8ff0bac9bf70 RDI: ffff8ff0bac9bf70 x1c80 # [ 89.858115] softirqs last disabled at (0): [<0000000[ 96.336728] RBP: ffffffff9aec04a5 R08: 0000000000000000 R09: 0000000000000000 000000000>] 0x0 # [ 89.865112] CPU: 1 PID: 1621 Comm: cat Tai[ 96.350915] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 nted: G D W 5.10.131-cip13 #1 # [ 89.873748] Har[ 96.365102] R13: ffffa98a428c7f10 R14: ffffa98a428c7f10 R15: ffff8ff04677e000 dware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 89.880[ 96.379294] FS: 00007f0bb80bb580(0000) GS:ffff8ff0bac80000(0000) knlGS:0000000000000000 549] Call Trace: # [ 89.883276] dump_stack+0x77/0x97 # [ [ 96.394542] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 89.886974] ___might_sleep.cold+0xa6/0xb6 # [ 89.897754] exi[ 96.407174] CR2: 00007f0bb7ed4000 CR3: 0000000106a56005 CR4: 00000000003706e0 t_signals+0x1c/0x2d0 # [ 89.901731] do_exit+0xd5/0xb00 # [ [ 96.421359] Call Trace: 89.905233] ? ksys_write+0x68/0xe0 # [ 89.909115] rewind_s[ 96.430304] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x94 tack_do_exit+0x17/0x20 # [ 89.913772] RIP: 0033:0x7efdfb45ef3[ 96.441867] direct_entry.cold+0x2c/0x38 3 # [ 89.917757] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7[ 96.452463] full_proxy_write+0x56/0x80 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 [ 96.462958] vfs_write+0xea/0x390 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00[ 96.472873] ksys_write+0x68/0xe0 48 83 ec 28 48 89 54 24 18 # [ 89.938731] RSP: 002b:00007fff[ 96.482787] do_syscall_64+0x33/0x40 4cc7ee58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 89.9[ 96.492992] entry_SYSCALL_64_after_hwframe+0x44/0xa9 47183] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007efd[ 96.504845] RIP: 0033:0x7f0bb7fe3f33 fb45ef33 # [ 89.955148] RDX: 000000000000000a RSI: 00007efdfb[ 96.515053] 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 34f000 RDI: 0000000000000001 # [ 89.963115] RBP: 00007efdfb34[ 96.542252] RSP: 002b:00007ffe03019428 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 f000 R08: 00007efdfb34e010 R09: 0000000000000000 # [ 89.97108[ 96.556926] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f0bb7fe3f33 2] R10: 00007efdfb5591c0 R11: 0000000000000246 R12: 000000000000[ 96.571110] RDX: 0000000000000016 RSI: 00007f0bb7ed4000 RDI: 0000000000000001 0001 # [ 89.979050] R13: 0000000000000001 R14: 00000000000200[ 96.585301] RBP: 00007f0bb7ed4000 R08: 00007f0bb7ed3010 R09: 0000000000000000 00 R15: 0000000000020000 # EXEC_DATA: saw 'call trace:': ok ok[ 96.599487] R10: 00007f0bb80de1c0 R11: 0000000000000246 R12: 0000000000000001 30 selftests: lkdtm: EXEC_DATA.sh # selftests: lkdtm: EXEC_STA[ 96.613675] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 CK.sh # Killed # [ 90.059799] lkdtm: Performing direct entry[ 96.627866] irq event stamp: 0 EXEC_STACK # [ 90.067277] lkdtm: attempting ok execution at [ 96.637487] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ffffffff99eb1d00 # [ 90.080027] lkdtm: attempting bad executi[ 96.650710] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 on at ffffa98a42257e18 # [ 90.092853] kernel tried to execute[ 96.666055] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 NX-protected page - exploit attempt? (uid: 0) # [ 90.107407][ 96.681411] softirqs last disabled at (0): [<0000000000000000>] 0x0 BUG: unable to handle page fault for address: ffffa98a42257e18[ 96.694623] ---[ end trace 3f56960d4fcd6e2d ]--- # [ 90.115082] #PF: supervisor instruction fetch in kernel mo[ 96.705989] lkdtm: Overflow detected: saturated de # [ 90.121399] #PF: error_code(0x0011) - permissions violation # [ 90.127616] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 108af8067 PTE 8000000108d6b063 # [ 90.136661] Oops: 0011 [#6] SMP PTI # [ 90.140550] CPU: 0 PID: 1657 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 90.149195] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 90.155999] RIP: 0010:0xffffa98a42257e18 # [ 90.160399] Code: 00 00 18 7e 25 42 8a a9 ff ff cb 7d 4f 9a ff ff ff ff 20 00 00 00 00 00 00 00 16 04 ec 9a ff ff ff ff f7 7e 4f 9a 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 # [ 90.181379] RSP: 0018:ffffa98a42257df8 EFLAGS: 00010246 # [ 90.187210] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 00000[ 96.788637] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW [ 96.798555] lkdtm: attempting good refcount_add() without overflow [ 96.805490] lkdtm: attempting bad refcount_add() overflow [ 96.811519] ------------[ cut here ]------------ [ 96.816673] refcount_t: saturated; leaking memory. 00000000000 # [ 90.195178] RDX: 0000000000000000 RSI: ffff8ff[ 96.822048] WARNING: CPU: 3 PID: 2079 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 [ 96.837578] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0bac1bf70 RDI: ffff8ff0bac1bf70 # [ 90.203145] RBP: ffffa98a4[ 96.864032] CPU: 3 PID: 2079 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 96.878890] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 96.885696] RIP: 0010:refcount_warn_saturate+0x49/0xf0 [ 96.891433] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 7a 21 76 01 00 75 f2 48 c7 c7 c0 be e5 9a c6 05 6a 21 76 01 01 e8 3d 0f 93 00 <0f> 0b c3 80 3d 5a 21 76 01 00 75 d3 48 c7 c7 e8 be e5 9a c6 05 4a [ 96.912412] RSP: 0018:ffffa98a42947e48 EFLAGS: 00010286 2257e18 R08: 0000000000000000 R09: 0000000000000000 # [ 90.21[ 96.918250] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 1110] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000[ 96.932436] RDX: ffff8ff0badac660 RSI: ffff8ff0bad9bf70 RDI: ffff8ff0bad9bf70 [ 96.946618] RBP: ffffffff9aec04bb R08: 0000000000000000 R09: 0000000000000000 [ 96.954589] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 96.962558] R13: ffffa98a42947f10 R14: ffffa98a42947f10 R15: ffff8ff048d4e000 [ 96.970526] FS: 00007fbe885c6580(0000) GS:ffff8ff0bad80000(0000) knlGS:0000000000000000 [ 96.979559] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 96.986026] CR2: 00007fbe883df000 CR3: 0000000106942004 CR4: 00000000003706e0 000000b # [ 90.219078] R13: ffffa98a42257f10 R14: ffffa98a422[ 96.994001] Call Trace: [ 97.002940] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa3 [ 97.008289] direct_entry.cold+0x2c/0x38 [ 97.012667] full_proxy_write+0x56/0x80 [ 97.016949] vfs_write+0xea/0x390 [ 97.020648] ksys_write+0x68/0xe0 [ 97.024346] do_syscall_64+0x33/0x40 [ 97.028336] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 97.033975] RIP: 0033:0x7fbe884eef33 [ 97.037963] 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 [ 97.058942] RSP: 002b:00007ffd36bfc388 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 97.067396] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fbe884eef33 [ 97.075356] RDX: 0000000000000016 RSI: 00007fbe883df000 RDI: 0000000000000001 [ 97.083314] RBP: 00007fbe883df000 R08: 00007fbe883de010 R09: 0000000000000000 [ 97.091283] R10: 00007fbe885e91c0 R11: 0000000000000246 R12: 0000000000000001 [ 97.099250] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 97.107212] irq event stamp: 0 [ 97.110618] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 97.117618] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 97.126753] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 97.135887] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 97.142885] ---[ end trace 3f56960d4fcd6e2e ]--- [ 97.148039] lkdtm: Overflow detected: saturated 57f10 R15: ffff8ff048a1a000 # [ 90.227046] FS: 00007efec312e580(0000) GS:ffff8ff0bac00000(0000) knlGS:0000000000000000 # [ 90.236079] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 90.242492] CR2: ffffa98a42257e18 CR3: 0000000102772005 CR4: 00000000003706f0 # [ 90.250459] Call Trace: # [ 90.253189] ? execute_location+0x48/0x56 # [ 90.257658] ? lkdtm_EXEC_STACK+0x26/0x40 # [ 90.262131] ? direct_entry.cold+0x2c/0x38 # [ 90.266695] ? full_proxy_write+0x56/0x80 # [ 90.271170] ? vfs_write+0xea/0x390 # [ 90.275061] ? ksys_write+0x68/0xe0 # [ 90.278943] ? do_syscall_64+0x33/0x40 # [ 90.283115] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 90.288948] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 90.315381] CR2: ffffa98a42257e18 # [ 90.319080] ---[ end trace 3f56960d4fcd6e22 ]--- # [ 90.324232] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 90.328599] Code: 59 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 1b 70 02 # [ 90.349567] RSP: 0018:ffffa98a413f7e60 EFLAGS: 00010286 # [ 90.355399] RAX: [ 97.285124] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW [ 97.297571] lkdtm: attempting bad refcount_inc_not_zero() overflow [ 97.304492] ------------[ cut here ]------------ ffffffff99eb1930 RBX: 0000000000000001 RCX: 0000000000000000 # [ 97.309660] refcount_t: saturated; leaking memory. [ 90.363364] RDX: 0000000000000000 RSI: ffff8ff0bac1bf70 RDI: [ 97.321236] WARNING: CPU: 3 PID: 2111 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 [ 97.336771] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ffffffff9aad9a70 # [ 90.371331] RBP: ffffffff9af1b680 R08: 00[ 97.363230] CPU: 3 PID: 2111 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 97.378088] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 97.384919] RIP: 0010:refcount_warn_saturate+0x87/0xf0 [ 97.390655] Code: 05 4a 21 76 01 01 e8 1e 0f 93 00 0f 0b c3 80 3d 3d 21 76 01 00 75 b4 48 c7 c7 c0 be e5 9a c6 05 2d 21 76 01 01 e8 ff 0e 93 00 <0f> 0b c3 80 3d 1b 21 76 01 00 75 95 48 c7 c7 18 bf e5 9a c6 05 0b [ 97.411633] RSP: 0018:ffffa98a429b7e38 EFLAGS: 00010282 [ 97.417466] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 97.425426] RDX: ffff8ff0badac660 RSI: ffff8ff0bad9bf70 RDI: ffff8ff0bad9bf70 [ 97.433394] RBP: ffffffff9aec00f8 R08: 0000000000000000 R09: 0000000000000000 [ 97.441354] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 97.449313] R13: ffffa98a429b7f10 R14: ffffa98a429b7f10 R15: ffff8ff0426bb000 [ 97.457284] FS: 00007fcdd041f580(0000) GS:ffff8ff0bad80000(0000) knlGS:0000000000000000 [ 97.466320] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 97.472728] CR2: 00007fcdd0238000 CR3: 0000000107c3e004 CR4: 00000000003706e0 [ 97.480697] Call Trace: [ 97.483425] __refcount_add_not_zero.constprop.0+0x2a/0x31 [ 97.489576] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x72 [ 97.495817] direct_entry.cold+0x2c/0x38 [ 97.500195] full_proxy_write+0x56/0x80 [ 97.504477] vfs_write+0xea/0x390 [ 97.508174] ksys_write+0x68/0xe0 [ 97.511873] do_syscall_64+0x33/0x40 [ 97.515863] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 97.521502] RIP: 0033:0x7fcdd0347f33 [ 97.525490] 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 [ 97.546469] RSP: 002b:00007ffe63071b08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 97.554924] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fcdd0347f33 [ 97.562885] RDX: 000000000000001f RSI: 00007fcdd0238000 RDI: 0000000000000001 [ 97.570854] RBP: 00007fcdd0238000 R08: 00007fcdd0237010 R09: 0000000000000000 [ 97.578823] R10: 00007fcdd04421c0 R11: 0000000000000246 R12: 0000000000000001 [ 97.586792] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00000000000001 R09: 0000000000000001 # [ 90.379298] R10: 0000[ 97.594765] irq event stamp: 0 0000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ [ 97.604383] hardirqs last enabled at (0): [<0000000000000000>] 0x0 90.387263] R13: ffffa98a413f7f10 R14: ffffa98a413f7f10 R15: ffff[ 97.617602] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 97.632948] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 97.642083] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 97.649080] ---[ end trace 3f56960d4fcd6e2f ]--- [ 97.654225] lkdtm: Overflow detected: saturated 8ff0465ad000 # [ 90.395230] FS: 00007efec312e580(0000) GS:ffff8ff0bac00000(0000) knlGS:0000000000000000 # [ 90.404264] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 90.410677] CR2: ffffa98a42257e18 CR3: 0000000102772005 CR4: 00000000003706f0 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 90.536982] lkdtm: Performing direct entry EXEC_KMALLOC # [ 90.548843] lkdtm: attempting ok execution at ffffffff99eb1d00 # [ 90.561567] lkdtm: attempting bad execution at ffff8ff048ae48c0 # [ 90.574402] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 90.588960] BUG: unable to handle page fault for address: ffff8ff048ae48c0 # [ 90.596637] #PF: supervisor instruction fetch in kernel mode # [ 90.60[ 97.734053] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW [ 97.747700] lkdtm: attempting bad refcount_add_not_zero() overflow [ 97.754615] ------------[ cut here ]------------ [ 97.759777] refcount_t: saturated; leaking memory. [ 97.765153] WARNING: CPU: 3 PID: 2143 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 2956] #PF: error_code(0x0011) - permissions violation # [ 90.[ 97.774491] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 97.807119] CPU: 3 PID: 2143 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 97.815769] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 97.822575] RIP: 0010:refcount_warn_saturate+0x87/0xf0 [ 97.828311] Code: 05 4a 21 76 01 01 e8 1e 0f 93 00 0f 0b c3 80 3d 3d 21 76 01 00 75 b4 48 c7 c7 c0 be e5 9a c6 05 2d 21 76 01 01 e8 ff 0e 93 00 <0f> 0b c3 80 3d 1b 21 76 01 00 75 95 48 c7 c7 18 bf e5 9a c6 05 0b [ 97.849290] RSP: 0018:ffffa98a42a1fe38 EFLAGS: 00010282 [ 97.855125] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 97.863097] RDX: ffff8ff0badac660 RSI: ffff8ff0bad9bf70 RDI: ffff8ff0bad9bf70 [ 97.871082] RBP: ffffffff9aec0118 R08: 0000000000000000 R09: 0000000000000000 609178] PGD 106001067 P4D 106001067 PUD 10004e063 PMD 10809c063 [ 97.879056] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f PTE 8000000108ae4163 # [ 90.618225] Oops: 0011 [#7] SMP PTI [ 97.893241] R13: ffffa98a42a1ff10 R14: ffffa98a42a1ff10 R15: ffff8ff048b5f000 [ 97.907423] FS: 00007f51093a5580(0000) GS:ffff8ff0bad80000(0000) knlGS:0000000000000000 [ 97.916463] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 97.922878] CR2: 00007f51091be000 CR3: 0000000108892004 CR4: 00000000003706e0 [ 97.930849] Call Trace: [ 97.933579] __refcount_add_not_zero.constprop.0+0x2a/0x31 [ 97.939737] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x72 [ 97.945983] direct_entry.cold+0x2c/0x38 [ 97.950363] full_proxy_write+0x56/0x80 [ 97.954643] vfs_write+0xea/0x390 [ 97.958343] ksys_write+0x68/0xe0 [ 97.962044] do_syscall_64+0x33/0x40 [ 97.966036] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 90.622117] CPU: 0 PID: 1693 Comm: cat Tainted: G D W [ 97.971679] RIP: 0033:0x7f51092cdf33 [ 97.981875] 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 [ 98.002855] RSP: 002b:00007ffd482cae48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 98.011310] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f51092cdf33 [ 98.019279] RDX: 000000000000001f RSI: 00007f51091be000 RDI: 0000000000000001 [ 98.027249] RBP: 00007f51091be000 R08: 00007f51091bd010 R09: 0000000000000000 [ 98.035218] R10: 00007f51093c81c0 R11: 0000000000000246 R12: 0000000000000001 [ 98.043188] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 98.051159] irq event stamp: 0 [ 98.054565] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 98.061566] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 98.070703] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 98.079837] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 98.086835] ---[ end trace 3f56960d4fcd6e30 ]--- [ 98.091988] lkdtm: Overflow detected: saturated 5.10.131-cip13 #1 # [ 90.630759] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 90.637566] RIP: 0010:0xffff8ff048ae48c0 # [ 90.641942] Code: 00 00 02 00 00 00 00 00 00 00 c0 4b ae 48 f0 8f ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 bb b6 6f 99 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 # [ 90.662927] RSP: 0018:ffffa98a4239fe38 EFLAGS: 00010246 # [ 90.668752] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 90.676722] RDX: 0000000000000000 RSI: ffff8ff0bac1bf70 RDI: ffff8ff0bac1bf70 # [ 90.684690] RBP: ffff8ff048ae48c0 R08: 0000000000000000 R09: 0000000000000000 # [ 90.692662] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 90.700631] R13: ffffa98a4239ff10 R14: ffffa98a4239ff10 R15: ffff8ff046940000 # [ 90.708602] FS: 00007f09cebb2580(0000) GS:ff[ 98.182523] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO ff8ff0bac00000(0000) knlGS:0000000000000000 # [ 90.717640] CS[ 98.190450] lkdtm: attempting good refcount_dec() : 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 90.724057[ 98.201913] lkdtm: attempting bad refcount_dec() to zero ] CR2: ffff8ff048ae48c0 CR3: 0000000108d64006 CR4: 0000000000370[ 98.214061] ------------[ cut here ]------------ 6f0 # [ 90.732026] Call Trace: # [ 90.734755] ? execute_l[ 98.225428] refcount_t: decrement hit 0; leaking memory. ocation+0x48/0x56 # [ 90.739236] ? lkdtm_EXEC_KMALLOC+0x2c/0[ 98.237604] WARNING: CPU: 1 PID: 2175 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 x40 # [ 90.743905] ? direct_entry.cold+0x2c/0x38 # [ 90.7[ 98.253115] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 48476] ? full_proxy_write+0x56/0x80 # [ 90.752950] ? vfs_wr[ 98.285771] CPU: 1 PID: 2175 Comm: cat Tainted: G D W 5.10.131-cip13 #1 ite+0xea/0x390 # [ 90.756839] ? ksys_write+0x68/0xe0 # [ [ 98.300615] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 98.313635] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 90.760732] ? do_syscall_64+0x33/0x40 # [ 90.764906] ? entry[ 98.319374] Code: ff 48 c7 c7 70 bf e5 9a c6 05 e6 20 76 01 01 e8 bd 0e 93 00 0f 0b c3 48 c7 c7 40 bf e5 9a c6 05 d1 20 76 01 01 e8 a7 0e 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 [ 98.346561] RSP: 0018:ffffa98a42ad7e48 EFLAGS: 00010286 _SYSCALL_64_after_hwframe+0x44/0xa9 # [ 90.770741] Modules li[ 98.352399] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 [ 98.366576] RDX: ffff8ff0bacac660 RSI: ffff8ff0bac9bf70 RDI: ffff8ff0bac9bf70 nked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core ind[ 98.374547] RBP: ffffffff9aec04d1 R08: 0000000000000000 R09: 0000000000000000 [ 98.388726] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 98.396695] R13: ffffa98a42ad7f10 R14: ffffa98a42ad7f10 R15: ffff8ff048893000 [ 98.404666] FS: 00007f4dae0cf580(0000) GS:ffff8ff0bac80000(0000) knlGS:0000000000000000 [ 98.413706] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ustrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightb[ 98.420125] CR2: 00007f4dadee8000 CR3: 0000000108b82003 CR4: 00000000003706e0 [ 98.434303] Call Trace: ar cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_chard[ 98.437037] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xb9 ev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 90.[ 98.448213] direct_entry.cold+0x2c/0x38 797184] CR2: ffff8ff048ae48c0 # [ 90.800880] ---[ end trace 3[ 98.458809] full_proxy_write+0x56/0x80 [ 98.469306] vfs_write+0xea/0x390 f56960d4fcd6e23 ]--- # [ 90.806033] RIP: 0010:lkdtm_BUG+0x5/0[ 98.473032] ksys_write+0x68/0xe0 [ 98.482939] do_syscall_64+0x33/0x40 x10 # [ 90.810400] Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 [ 98.486932] entry_SYSCALL_64_after_hwframe+0x44/0xa9 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc c[ 98.498781] RIP: 0033:0x7f4dadff7f33 c cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f [ 98.508985] 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 1f 44 00 00 83 05 e0 1b 70 02 # [ 90.831380] RSP: 0018:ffffa9[ 98.536181] RSP: 002b:00007ffe5f19c938 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 98.550853] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f4dadff7f33 8a413f7e60 EFLAGS: 00010286 # [ 90.837214] RAX: ffffffff99eb1[ 98.558824] RDX: 0000000000000012 RSI: 00007f4dadee8000 RDI: 0000000000000001 [ 98.573020] RBP: 00007f4dadee8000 R08: 00007f4dadee7010 R09: 0000000000000000 930 RBX: 0000000000000001 RCX: 0000000000000000 # [ 90.845182[ 98.580999] R10: 00007f4dae0f21c0 R11: 0000000000000246 R12: 0000000000000001 [ 98.595179] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ] RDX: 0000000000000000 RSI: ffff8ff0bac1bf70 RDI: ffffffff9aad9[ 98.603155] irq event stamp: 0 [ 98.612769] hardirqs last enabled at (0): [<0000000000000000>] 0x0 a70 # [ 90.853149] RBP: ffffffff9af1b680 R08: 000000000000000[ 98.619773] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 98.635119] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 1 R09: 0000000000000001 # [ 90.861119] R10: 00000000ffffe000 [ 98.644258] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 98.657468] ---[ end trace 3f56960d4fcd6e31 ]--- R11: 3fffffffffffffff R12: 0000000000000004 # [ 90.869085] R1[ 98.662625] lkdtm: Zero detected: saturated 3: ffffa98a413f7f10 R14: ffffa98a413f7f10 R15: ffff8ff0465ad000 # [ 90.877051] FS: 00007f09cebb2580(0000) GS:ffff8ff0bac00000(0000) knlGS:0000000000000000 # [ 90.886087] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 90.892501] CR2: ffff8ff048ae48c0 CR3: 0000000108d64006 CR4: 00000000003706f0 # EXEC_KMALLOC: saw 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # selftests: lkdtm: EXEC_VMALLOC.sh # Killed # [ 91.005838] lkdtm: Performing direct entry EXEC_VMALLOC # [ 91.012077] lkdtm: attempting ok execution at ffffffff99eb1d00 # [ 91.024800] lkdtm: attempting bad execution at ffffa98a406d9000 # [ 91.031433] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 91.039799] BUG: unable to handle page fault for address: ffffa98a406d9000 # [ 91.047477] #PF: supervisor instruction fetch in kernel mode # [ 91.053795] #PF[ 98.759987] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE [ 98.767234] lkdtm: attempting bad refcount_dec() below zero : error_code(0x0011) - permissions violation # [ 91.060015] P[ 98.773495] ------------[ cut here ]------------ GD 100000067 P4D 100000067 PUD 10020b067 PMD 108a9a067 PTE 80000[ 98.784852] refcount_t: decrement hit 0; leaking memory. [ 98.797026] WARNING: CPU: 3 PID: 2210 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 00108086063 # [ 91.069055] Oops: 0011 [#8] SMP PTI # [ 91.[ 98.806367] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 98.839019] CPU: 3 PID: 2210 Comm: cat Tainted: G D W 5.10.131-cip13 #1 079156] CPU: 2 PID: 1729 Comm: cat Tainted: G D W 5[ 98.847683] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 98.860695] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 [ 98.866433] Code: ff 48 c7 c7 70 bf e5 9a c6 05 e6 20 76 01 01 e8 bd 0e 93 00 0f 0b c3 48 c7 c7 40 bf e5 9a c6 05 d1 20 76 01 01 e8 a7 0e 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 [ 98.887410] RSP: 0018:ffffa98a42b67e48 EFLAGS: 00010286 [ 98.893234] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 [ 98.901202] RDX: ffff8ff0badac660 RSI: ffff8ff0bad9bf70 RDI: ffff8ff0bad9bf70 [ 98.909162] RBP: ffffffff9aec04e3 R08: 0000000000000000 R09: 0000000000000000 [ 98.917130] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 98.925098] R13: ffffa98a42b67f10 R14: ffffa98a42b67f10 R15: ffff8ff048cd2000 [ 98.933079] FS: 00007efc826d8580(0000) GS:ffff8ff0bad80000(0000) knlGS:0000000000000000 [ 98.942115] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 98.948529] CR2: 00007efc824f1000 CR3: 0000000106704003 CR4: 00000000003706e0 [ 98.956488] Call Trace: [ 98.959208] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x5d [ 98.964558] direct_entry.cold+0x2c/0x38 [ 98.968936] full_proxy_write+0x56/0x80 [ 98.973217] vfs_write+0xea/0x390 [ 98.976915] ksys_write+0x68/0xe0 [ 98.980613] do_syscall_64+0x33/0x40 [ 98.984602] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 98.990242] RIP: 0033:0x7efc82600f33 [ 98.994231] 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 [ 99.015211] RSP: 002b:00007ffc4ffc14b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 99.023665] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007efc82600f33 [ 99.031634] RDX: 0000000000000016 RSI: 00007efc824f1000 RDI: 0000000000000001 [ 99.039603] RBP: 00007efc824f1000 R08: 00007efc824f0010 R09: 0000000000000000 [ 99.047572] R10: 00007efc826fb1c0 R11: 0000000000000246 R12: 0000000000000001 .10.131-cip13 #1 # [ 91.087801] Hardware name: Google Rammus/[ 99.055545] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 Rammus, BIOS 09/04/2020 # [ 91.094604] RIP: 0010:0xffffa98a4[ 99.069734] irq event stamp: 0 [ 99.079353] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 99.086354] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 99.095489] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 99.104626] softirqs last disabled at (0): [<0000000000000000>] 0x0 06d9000 # [ 91.098970] Code: Unable to access opcode bytes at[ 99.111629] ---[ end trace 3f56960d4fcd6e32 ]--- [ 99.122992] lkdtm: Negative detected: saturated RIP 0xffffa98a406d8fd6. # [ 91.106645] RSP: 0018:ffffa98a42417e38 EFLAGS: 00010246 # [ 91.112477] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 91.120444] RDX: 0000000000000000 RSI: ffff8ff0bad1bf70 RDI: ffff8ff0bad1bf70 # [ 91.128410] RBP: ffffa98a406d9000 R08: 0000000000000000 R09: 0000000000000000 # [ 91.136375] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 91.144341] R13: ffffa98a42417f10 R14: ffffa98a42417f10 R15: ffff8ff048086000 # [ 91.152307] FS: 00007fb5d9a85580(0000) GS:ffff8ff0bad00000(0000) knlGS:0000000000000000 # [ 91.161341] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 91.167754] CR2: ffffa98a406d8fd6 CR3: 000000010749c003 CR4: 00000000003706e0 # [ 91.175723] Call Trace: # [ 91.178452] ? execute_location+0x48/0x56 # [ 91.182927] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 91.187593] ? direct_entry.cold+0x2c/0x38 # [ 91.192165] ? full_proxy_write+0x56/0x80 # [ 91.196637] ? vfs_write+0xea/0x390 # [ 91.200527] ? ksys_write+0x68/0xe0 # [ 91.204418] ? do_s[ 99.231300] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE [ 99.241380] lkdtm: attempting bad refcount_dec_and_test() below zero [ 99.248509] ------------[ cut here ]------------ [ 99.253687] refcount_t: underflow; use-after-free. [ 99.259068] WARNING: CPU: 2 PID: 2245 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 [ 99.268408] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 99.294848] CPU: 2 PID: 2245 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 99.303521] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 99.310328] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 [ 99.316086] Code: 05 2d 21 76 01 01 e8 ff 0e 93 00 0f 0b c3 80 3d 1b 21 76 01 00 75 95 48 c7 c7 18 bf e5 9a c6 05 0b 21 76 01 01 e8 e0 0e 93 00 <0f> 0b c3 80 3d fa 20 76 01 00 0f 85 72 ff ff ff 48 c7 c7 70 bf e5 yscall_64+0x33/0x40 # [ 91.208591] ? entry_SYSCALL_64_after_[ 99.337070] RSP: 0018:ffffa98a42bc7e40 EFLAGS: 00010286 [ 99.349121] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 [ 99.357126] RDX: ffff8ff0bad2c660 RSI: ffff8ff0bad1bf70 RDI: ffff8ff0bad1bf70 [ 99.365098] RBP: ffffffff9aec0138 R08: 0000000000000000 R09: 0000000000000000 [ 99.373100] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 99.381085] R13: ffffa98a42bc7f10 R14: ffffa98a42bc7f10 R15: ffff8ff048234000 [ 99.389071] FS: 00007f10d4a38580(0000) GS:ffff8ff0bad00000(0000) knlGS:0000000000000000 [ 99.398143] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 99.404560] CR2: 00007f10d4851000 CR3: 0000000106760003 CR4: 00000000003706e0 [ 99.412530] Call Trace: [ 99.415263] __refcount_sub_and_test.constprop.0+0x34/0x40 [ 99.421423] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x74 [ 99.427680] direct_entry.cold+0x2c/0x38 [ 99.432091] full_proxy_write+0x56/0x80 [ 99.436401] vfs_write+0xea/0x390 [ 99.440131] ksys_write+0x68/0xe0 [ 99.443833] do_syscall_64+0x33/0x40 [ 99.447846] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 99.453489] RIP: 0033:0x7f10d4960f33 [ 99.457481] 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 [ 99.478464] RSP: 002b:00007ffee4b79aa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 99.486925] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f10d4960f33 [ 99.494896] RDX: 000000000000001f RSI: 00007f10d4851000 RDI: 0000000000000001 [ 99.502868] RBP: 00007f10d4851000 R08: 00007f10d4850010 R09: 0000000000000000 [ 99.510839] R10: 00007f10d4a5b1c0 R11: 0000000000000246 R12: 0000000000000001 [ 99.518810] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 99.526783] irq event stamp: 0 [ 99.530216] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 99.537216] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 99.546356] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 99.555523] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 99.562524] ---[ end trace 3f56960d4fcd6e33 ]--- [ 99.567679] lkdtm: Negative detected: saturated hwframe+0x44/0xa9 # [ 91.214415] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 91.240864] CR2: ffffa98a406d9000 # [ 91.250770] ---[ end trace 3f56960d4fcd6e24 ]--- # [ 91.255924] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 91.260297] Code: 59 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 1b 70 02 # [ 91.281286] RSP: 0018:ffffa98a413f7e60 EFLAGS: 00010286 # [ 91.287139] RAX: ffffffff99eb1930 RBX: 0000000000000001 RCX: 0000000000000000 # [ 91.295106] RDX: 00000000000[ 99.649784] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE 00000 RSI: ffff8ff0bac1bf70 RDI: ffffffff9aad9a70 # [ 91.3030[ 99.661164] lkdtm: attempting bad refcount_sub_and_test() below zero 87] RBP: ffffffff9af1b680 R08: 0000000000000001 R09: 00000000000[ 99.674480] ------------[ cut here ]------------ 00001 # [ 91.311052] R10: 00000000ffffe000 R11: 3ffffffffffff[ 99.685848] refcount_t: underflow; use-after-free. fff R12: 0000000000000004 # [ 91.319027] R13: ffffa98a413f7f1[ 99.697424] WARNING: CPU: 1 PID: 2280 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 0 R14: ffffa98a413f7f10 R15: ffff8ff0465ad000 # [ 91.326993] [ 99.712956] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify FS: 00007fb5d9a85580(0000) GS:ffff8ff0bad00000(0000) knlGS:0000[ 99.745614] CPU: 1 PID: 2280 Comm: cat Tainted: G D W 5.10.131-cip13 #1 000000000000 # [ 91.336030] CS: 0010 DS: 0000 ES: 0000 CR0: [ 99.760459] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 0000000080050033 # [ 91.342435] CR2: ffffa98a406d8fd6 CR3: 00[ 99.773479] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 [ 99.785429] Code: 05 2d 21 76 01 01 e8 ff 0e 93 00 0f 0b c3 80 3d 1b 21 76 01 00 75 95 48 c7 c7 18 bf e5 9a c6 05 0b 21 76 01 01 e8 e0 0e 93 00 <0f> 0b c3 80 3d fa 20 76 01 00 0f 85 72 ff ff ff 48 c7 c7 70 bf e5 0000010749c003 CR4: 00000000003706e0 # [ 91.350401] BUG: slee[ 99.806411] RSP: 0018:ffffa98a42c6fe40 EFLAGS: 00010286 [ 99.818453] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 ping function called from invalid context at include/linux/percp[ 99.826424] RDX: ffff8ff0bacac660 RSI: ffff8ff0bac9bf70 RDI: ffff8ff0bac9bf70 [ 99.840600] RBP: ffffffff9aec0158 R08: 0000000000000000 R09: 0000000000000000 [ 99.848570] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 99.856540] R13: ffffa98a42c6ff10 R14: ffffa98a42c6ff10 R15: ffff8ff0483ab000 [ 99.864511] FS: 00007f4e4914c580(0000) GS:ffff8ff0bac80000(0000) knlGS:0000000000000000 u-rwsem.h:49 # [ 91.360307] in_atomic(): 0, irqs_disabled(): [ 99.873548] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 99.886174] CR2: 00007f4e48f65000 CR3: 0000000108bc4005 CR4: 00000000003706e0 [ 99.894144] Call Trace: 1, non_block: 0, pid: 1729, name: cat # [ 91.368759] INFO: lo[ 99.896876] __refcount_sub_and_test.constprop.0+0x34/0x40 ckdep is turned off. # [ 91.373131] irq event stamp: 0 # [ [ 99.909215] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x77 91.376534] hardirqs last enabled at (0): [<0000000000000000>] [ 99.921653] direct_entry.cold+0x2c/0x38 0x0 # [ 91.383532] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 91.392666] softirqs l[ 99.942741] vfs_write+0xea/0x390 [ 99.952653] ksys_write+0x68/0xe0 ast enabled at (0): [] copy_process+0x63c/0x1[ 99.956355] do_syscall_64+0x33/0x40 c80 # [ 91.401789] softirqs last disabled at (0): [<000000000[ 99.966556] entry_SYSCALL_64_after_hwframe+0x44/0xa9 0000000>] 0x0 # [ 91.408784] CPU: 2 PID: 1729 Comm: cat Taint[ 99.978409] RIP: 0033:0x7f4e49074f33 ed: G D W 5.10.131-cip13 #1 # [ 91.417431] Hardw[ 99.988611] 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 [ 100.015806] RSP: 002b:00007ffd3afc4208 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 are name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 91.42423[ 100.024264] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f4e49074f33 [ 100.038447] RDX: 000000000000001f RSI: 00007f4e48f65000 RDI: 0000000000000001 3] Call Trace: # [ 91.426961] dump_stack+0x77/0x97 # [ 91[ 100.046422] RBP: 00007f4e48f65000 R08: 00007f4e48f64010 R09: 0000000000000000 [ 100.060605] R10: 00007f4e4916f1c0 R11: 0000000000000246 R12: 0000000000000001 .430657] ___might_sleep.cold+0xa6/0xb6 # [ 91.435227] exit_[ 100.068580] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 signals+0x1c/0x2d0 # [ 91.439214] do_exit+0xd5/0xb00 # [ [ 100.082763] irq event stamp: 0 91.442707] ? ksys_write+0x68/0xe0 # [ 91.446598] rewind_sta[ 100.092385] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ck_do_exit+0x17/0x20 # [ 91.451256] RIP: 0033:0x7fb5d99adf33[ 100.105605] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 91.455242] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c[ 100.120958] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 100.136309] softirqs last disabled at (0): [<0000000000000000>] 0x0 0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14[ 100.143312] ---[ end trace 3f56960d4fcd6e34 ]--- b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 4[ 100.154677] lkdtm: Negative detected: saturated 8 83 ec 28 48 89 54 24 18 # [ 91.476218] RSP: 002b:00007ffef62f6b88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 91.484669] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007fb5d99adf33 # [ 91.492636] RDX: 000000000000000d RSI: 00007fb5d989e000 RDI: 0000000000000001 # [ 91.500602] RBP: 00007fb5d989e000 R08: 00007fb5d989d010 R09: 0000000000000000 # [ 91.508570] R10: 00007fb5d9aa81c0 R11: 0000000000000246 R12: 0000000000000001 # [ 91.516535] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh # Killed # [ 91.604914] lkdtm: Performing direct entry EXEC_RODATA # [ 91.611103] lkdtm: attempting ok execution at ffffffff99eb1d00 # [ 91.623837] lkdtm: attempting bad execution at ffffffff9aad9f00 # [ 91.630476] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 91.6[ 100.253353] lkdtm: Performing direct entry REFCOUNT_INC_ZERO 38844] BUG: unable to handle page fault for address: ffffffff9aa[ 100.265579] lkdtm: attempting safe refcount_inc_not_zero() from zero d9f00 # [ 91.646521] #PF: supervisor instruction fetch in ker[ 100.278908] lkdtm: Good: zero detected nel mode # [ 91.652827] #PF: error_code(0x0011) - permissions[ 100.289302] lkdtm: Correctly stayed at zero violation # [ 91.659048] PGD 104a29067 P4D 104a29067 PUD 104[ 100.300191] lkdtm: attempting bad refcount_inc() from zero a2a063 PMD 80000001044000e1 # [ 91.666824] Oops: 0011 [#9] S[ 100.312579] ------------[ cut here ]------------ MP PTI # [ 91.670713] CPU: 3 PID: 1765 Comm: cat Tainted: G [ 100.323923] refcount_t: addition on 0; use-after-free. D W 5.10.131-cip13 #1 # [ 91.679359] Hardware nam[ 100.335958] WARNING: CPU: 0 PID: 2312 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 e: Google Rammus/Rammus, BIOS 09/04/2020 # [ 91.686167] RIP:[ 100.351444] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 91.691901] Code: f[ 100.384084] CPU: 0 PID: 2312 Comm: cat Tainted: G D W 5.10.131-cip13 #1 f ff f7 92 4f 9a ff ff ff ff 62 06 ec 9a ff ff ff ff ad 7a 4f 9a[ 100.398946] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 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[ 100.423941] Code: 05 6a 21 76 01 01 e8 3d 0f 93 00 0f 0b c3 80 3d 5a 21 76 01 00 75 d3 48 c7 c7 e8 be e5 9a c6 05 4a 21 76 01 01 e8 1e 0f 93 00 <0f> 0b c3 80 3d 3d 21 76 01 00 75 b4 48 c7 c7 c0 be e5 9a c6 05 2d # [ 91.712879] RSP: 0018:ffffa98a4249fe48 EFLAGS: 00010246 [ 100.451196] RSP: 0018:ffffa98a42ce7e48 EFLAGS: 00010286 # [ 91.718712] RAX: 0000000000000033 RBX: 0000000000000000 RCX[ 100.463205] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 : 0000000000000000 # [ 91.726680] RDX: 0000000000000000 RSI: [ 100.477434] RDX: ffff8ff0bac2c660 RSI: ffff8ff0bac1bf70 RDI: ffff8ff0bac1bf70 ffff8ff0bad9bf70 RDI: ffff8ff0bad9bf70 # [ 91.734647] RBP: ff[ 100.491589] RBP: ffffffff9aec04f9 R08: 0000000000000000 R09: 0000000000000000 ffffff9aad9f00 R08: 0000000000000000 R09: 0000000000000000 # [ [ 100.505818] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 91.742613] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00[ 100.519987] R13: ffffa98a42ce7f10 R14: ffffa98a42ce7f10 R15: ffff8ff0480f9000 0000000000000c # [ 91.750580] R13: ffffa98a4249ff10 R14: ffff[ 100.534204] FS: 00007f03bb6ef580(0000) GS:ffff8ff0bac00000(0000) knlGS:0000000000000000 a98a4249ff10 R15: ffff8ff048c0b000 # [ 91.758549] FS: 00007f[ 100.549448] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 3700099580(0000) GS:ffff8ff0bad80000(0000) knlGS:000000000000000[ 100.562122] CR2: 00007f03bb508000 CR3: 00000001073d4006 CR4: 00000000003706f0 0 # [ 91.767584] CS: 0010 DS: 0000 ES: 0000 CR0: 00000000800[ 100.576330] Call Trace: 50033 # [ 91.773999] CR2: ffffffff9aad9f00 CR3: 000000010736c[ 100.585328] lkdtm_REFCOUNT_INC_ZERO+0x99/0xbd 005 CR4: 00000000003706e0 # [ 91.781988] Call Trace: # [ 9[ 100.596477] direct_entry.cold+0x2c/0x38 1.784714] ? execute_location+0x48/0x56 # [ 91.789187] ? dir[ 100.607108] full_proxy_write+0x56/0x80 ect_entry.cold+0x2c/0x38 # [ 91.793759] ? full_proxy_write+0[ 100.617591] vfs_write+0xea/0x390 x56/0x80 # [ 91.798233] ? vfs_write+0xea/0x390 # [ 91.802[ 100.627533] ksys_write+0x68/0xe0 122] ? ksys_write+0x68/0xe0 # [ 91.806031] ? do_syscall_64+[ 100.637439] do_syscall_64+0x33/0x40 0x33/0x40 # [ 91.810203] ? entry_SYSCALL_64_after_hwframe+0x[ 100.647670] entry_SYSCALL_64_after_hwframe+0x44/0xa9 44/0xa9 # [ 91.816035] Modules linked in: fuse ip_tables cros[ 100.659525] RIP: 0033:0x7f03bb617f33 _ec_sensors cros_ec_sensors_core industrialio_triggered_buffer k[ 100.669761] 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 fifo_buf industrialio cros_ec_lightbar cros_ec_sensorhub cros_ec[ 100.696944] RSP: 002b:00007ffee6759428 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 _debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros[ 100.711661] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f03bb617f33 _ec_dev cros_usbpd_notify # [ 91.842463] CR2: ffffffff9aad9f0[ 100.725831] RDX: 0000000000000012 RSI: 00007f03bb508000 RDI: 0000000000000001 0 # [ 91.846160] ---[ end trace 3f56960d4fcd6e25 ]--- # [ [ 100.740080] RBP: 00007f03bb508000 R08: 00007f03bb507010 R09: 0000000000000000 91.851316] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 91.855691] Code: [ 100.754230] R10: 00007f03bb7121c0 R11: 0000000000000246 R12: 0000000000000001 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c[ 100.768477] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0[ 100.782623] irq event stamp: 0 f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 1b 70 0[ 100.792281] hardirqs last enabled at (0): [<0000000000000000>] 0x0 2 # [ 91.882884] RSP: 0018:ffffa98a413f7e60 EFLAGS: 00010286[ 100.805489] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 91.888714] RAX: ffffffff99eb1930 RBX: 0000000000000001 RC[ 100.820859] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 X: 0000000000000000 # [ 91.896681] RDX: 0000000000000000 RSI:[ 100.836220] softirqs last disabled at (0): [<0000000000000000>] 0x0 ffff8ff0bac1bf70 RDI: ffffffff9aad9a70 # [ 91.904647] RBP: f[ 100.849426] ---[ end trace 3f56960d4fcd6e35 ]--- fffffff9af1b680 R08: 0000000000000001 R09: 0000000000000001 # [[ 100.860829] lkdtm: Zero detected: saturated 91.912614] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 91.920579] R13: ffffa98a413f7f10 R14: ffffa98a413f7f10 R15: ffff8ff0465ad000 # [ 91.928546] FS: 00007f3700099580(0000) GS:ffff8ff0bad80000(0000) knlGS:0000000000000000 # [ 91.937580] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 91.943994] CR2: ffffffff9aad9f00 CR3: 000000010736c005 CR4: 00000000003706e0 # EXEC_RODATA: saw 'call trace:': ok ok 34 selftests: lkdtm: EXEC_RODATA.sh # selftests: lkdtm: EXEC_USERSPACE.sh # Killed # [ 92.027869] lkdtm: Performing direct entry EXEC_USERSPACE # [ 92.038845] lkdtm: attempting ok execution at ffffffff99eb1d00 # [ 92.051590] lkdtm: attempting bad execution at 00007fac3b9ad000 # [ 92.064390] unable to execute userspace code (SMEP?) (uid: 0) # [ 92.077016] BUG: unable to handle page fault for address: 00007fac3b9ad000 # [ 92.084692] #PF: supervisor instruction fetch in kernel mode # [ 92.091009] #PF: error_code(0x0011) - permissions violation # [ 92.097221] PGD 80000001027e4067 P4D 80000001027e4067 PUD 106c4a067 PMD 10677d067 PTE 1165d3067 # [ 92.113155] Oops: 0011 [#10] SMP PTI # [ 92.117142] CPU: 1 PID: 1801 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 92.125780] Har[ 100.992132] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO [ 101.002331] lkdtm: attempting safe refcount_add_not_zero() from zero [ 101.009440] lkdtm: Good: zero detected [ 101.013632] lkdtm: Correctly stayed at zero [ 101.018301] lkdtm: attempting bad refcount_add() from zero [ 101.024425] ------------[ cut here ]------------ [ 101.029580] refcount_t: addition on 0; use-after-free. [ 101.035343] WARNING: CPU: 3 PID: 2344 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 dware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 92.132[ 101.044682] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 101.077314] CPU: 3 PID: 2344 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 101.085965] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 101.092772] RIP: 0010:refcount_warn_saturate+0x68/0xf0 [ 101.098510] Code: 05 6a 21 76 01 01 e8 3d 0f 93 00 0f 0b c3 80 3d 5a 21 76 01 00 75 d3 48 c7 c7 e8 be e5 9a c6 05 4a 21 76 01 01 e8 1e 0f 93 00 <0f> 0b c3 80 3d 3d 21 76 01 00 75 b4 48 c7 c7 c0 be e5 9a c6 05 2d [ 101.119493] RSP: 0018:ffffa98a42d57e48 EFLAGS: 00010286 585] RIP: 0010:0x7fac3b9ad000 # [ 92.136571] Code: Unable to [ 101.125331] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 access opcode bytes at RIP 0x7fac3b9acfd6. # [ 92.143859] RSP[ 101.139518] RDX: ffff8ff0badac660 RSI: ffff8ff0bad9bf70 RDI: ffff8ff0bad9bf70 : 0018:ffffa98a42527e50 EFLAGS: 00010246 # [ 92.149689] RAX: [ 101.153704] RBP: ffffffff9aec050b R08: 0000000000000000 R09: 0000000000000000 [ 101.167892] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 101.175864] R13: ffffa98a42d57f10 R14: ffffa98a42d57f10 R15: ffff8ff04824c000 [ 101.183837] FS: 00007f135a7c7580(0000) GS:ffff8ff0bad80000(0000) knlGS:0000000000000000 [ 101.192878] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 101.199295] CR2: 00007f135a5e0000 CR3: 0000000108ae2006 CR4: 00000000003706e0 [ 101.207271] Call Trace: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 # [ 101.210043] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xbd [ 101.221207] direct_entry.cold+0x2c/0x38 [ 101.225590] full_proxy_write+0x56/0x80 [ 101.229897] vfs_write+0xea/0x390 [ 101.233597] ksys_write+0x68/0xe0 [ 101.237299] do_syscall_64+0x33/0x40 [ 101.241290] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 101.246932] RIP: 0033:0x7f135a6eff33 [ 101.250923] 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 [ 101.271910] RSP: 002b:00007ffdf08841b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 101.280368] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f135a6eff33 [ 101.288340] RDX: 0000000000000012 RSI: 00007f135a5e0000 RDI: 0000000000000001 [ 101.296310] RBP: 00007f135a5e0000 R08: 00007f135a5df010 R09: 0000000000000000 [ 101.304274] R10: 00007f135a7ea1c0 R11: 0000000000000246 R12: 0000000000000001 [ 101.312245] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 101.320219] irq event stamp: 0 [ 101.323627] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 101.330629] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 101.339765] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 101.348902] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 101.355903] ---[ end trace 3f56960d4fcd6e36 ]--- [ 101.361072] lkdtm: Zero detected: saturated [ 92.157656] RDX: 0000000000000000 RSI: ffff8ff0bac9bf70 RDI: ffff8ff0bac9bf70 # [ 92.165623] RBP: 00007fac3b9ad000 R08: 0000000000000000 R09: 0000000000000000 # [ 92.173589] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f # [ 92.181556] R13: ffffa98a42527f10 R14: ffffa98a42527f10 R15: ffff8ff042705000 # [ 92.189522] FS: 00007fac3b97e580(0000) GS:ffff8ff0bac80000(0000) knlGS:0000000000000000 # [ 92.198556] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 92.204969] CR2: 00007fac3b9ad000 CR3: 000000010736c006 CR4: 00000000003706e0 # [ 92.212936] Call Trace: # [ 92.215664] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae # [ 92.221031] ? direct_entry.cold+0x2c/0x38 # [ 92.231814] ? full_proxy_write+0x56/0x80 # [ 92.236289] ? vfs_write+0xea/0x390 # [ 92.246390] ? ksys_write+0x68/0xe0 # [ 92.250279] ? do_syscall_64+0x33/0x40 # [ 92.254461] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 92.260284] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_[ 101.483452] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED usbpd_notify # [ 92.292916] CR2: 00007fac3b9ad000 # [ 92.2[ 101.490786] lkdtm: attempting bad refcount_inc() from saturated 96612] ---[ end trace 3f56960d4fcd6e26 ]--- # [ 92.301758] RI[ 101.503619] ------------[ cut here ]------------ P: 0010:lkdtm_BUG+0x5/0x10 # [ 92.306134] Code: 59 a5 ff 48 c[ 101.514986] refcount_t: saturated; leaking memory. 7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff[ 101.526587] WARNING: CPU: 0 PID: 2379 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1[ 101.542221] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 1b 70 02 # [ 92.3[ 101.574791] CPU: 0 PID: 2379 Comm: cat Tainted: G D W 5.10.131-cip13 #1 27109] RSP: 0018:ffffa98a413f7e60 EFLAGS: 00010286 # [ 92.332[ 101.589708] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 941] RAX: ffffffff99eb1930 RBX: 0000000000000001 RCX: 0000000000[ 101.602685] RIP: 0010:refcount_warn_saturate+0x49/0xf0 000000 # [ 92.340908] RDX: 0000000000000000 RSI: ffff8ff0bac1[ 101.614654] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 7a 21 76 01 00 75 f2 48 c7 c7 c0 be e5 9a c6 05 6a 21 76 01 01 e8 3d 0f 93 00 <0f> 0b c3 80 3d 5a 21 76 01 00 75 d3 48 c7 c7 e8 be e5 9a c6 05 4a bf70 RDI: ffffffff9aad9a70 # [ 92.348875] RBP: ffffffff9af1b6[ 101.641826] RSP: 0018:ffffa98a42e07e48 EFLAGS: 00010286 80 R08: 0000000000000001 R09: 0000000000000001 # [ 92.356840][ 101.653893] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000000000[ 101.668061] RDX: ffff8ff0bac2c660 RSI: ffff8ff0bac1bf70 RDI: ffff8ff0bac1bf70 04 # [ 92.364807] R13: ffffa98a413f7f10 R14: ffffa98a413f7f10[ 101.682261] RBP: ffffffff9aec051d R08: 0000000000000000 R09: 0000000000000000 R15: ffff8ff0465ad000 # [ 92.372773] FS: 00007fac3b97e580(0[ 101.696430] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 000) GS:ffff8ff0bac80000(0000) knlGS:0000000000000000 # [ 92.[ 101.710635] R13: ffffa98a42e07f10 R14: ffffa98a42e07f10 R15: ffff8ff048afb000 381807] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ [ 101.724806] FS: 00007f5fbace3580(0000) GS:ffff8ff0bac00000(0000) knlGS:0000000000000000 92.388221] CR2: 00007fac3b9ad000 CR3: 000000010736c006 CR4: 000[ 101.740063] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 00000003706e0 # [ 92.396189] BUG: sleeping function called fr[ 101.752689] CR2: 00007f5fbaafc000 CR3: 00000001073d4005 CR4: 00000000003706f0 om invalid context at include/linux/percpu-rwsem.h:49 # [ 92.[ 101.766896] Call Trace: 406088] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1[ 101.775835] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x60 801, name: cat # [ 92.414539] INFO: lockdep is turned off. #[ 101.787511] direct_entry.cold+0x2c/0x38 [ 92.418913] irq event stamp: 0 # [ 92.422318] hardirqs la[ 101.798091] full_proxy_write+0x56/0x80 st enabled at (0): [<0000000000000000>] 0x0 # [ 92.429316] h[ 101.808608] vfs_write+0xea/0x390 ardirqs last disabled at (0): [] copy_process+[ 101.818505] ksys_write+0x68/0xe0 0x63c/0x1c80 # [ 92.438439] softirqs last enabled at (0): [<[ 101.828432] do_syscall_64+0x33/0x40 ffffffff996f9f9c>] copy_process+0x63c/0x1c80 # [ 92.447572] s[ 101.838625] entry_SYSCALL_64_after_hwframe+0x44/0xa9 oftirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 92[ 101.850492] RIP: 0033:0x7f5fbac0bf33 .454568] CPU: 1 PID: 1801 Comm: cat Tainted: G D W [ 101.860682] 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 5.10.131-cip13 #1 # [ 92.463214] Hardware name: Google Rammus[ 101.887899] RSP: 002b:00007ffd594207a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 /Rammus, BIOS 09/04/2020 # [ 92.470029] Call Trace: # [ 9[ 101.902548] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f5fbac0bf33 2.472755] dump_stack+0x77/0x97 # [ 92.476454] ___might_slee[ 101.916743] RDX: 0000000000000017 RSI: 00007f5fbaafc000 RDI: 0000000000000001 p.cold+0xa6/0xb6 # [ 92.487236] exit_signals+0x1c/0x2d0 # [[ 101.930914] RBP: 00007f5fbaafc000 R08: 00007f5fbaafb010 R09: 0000000000000000 92.491223] do_exit+0xd5/0xb00 # [ 92.494723] ? ksys_writ[ 101.945119] R10: 00007f5fbad061c0 R11: 0000000000000246 R12: 0000000000000001 e+0x68/0xe0 # [ 92.498614] rewind_stack_do_exit+0x17/0x20 #[ 101.959287] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 92.503280] RIP: 0033:0x7fac3b8a6f33 # [ 92.507268] Code:[ 101.973495] irq event stamp: 0 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f [ 101.983100] hardirqs last enabled at (0): [<0000000000000000>] 0x0 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <[ 101.996325] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 [ 102.011686] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 18 # [ 92.528234] RSP: 002b:00007ffcea7b8fa8 EFLAGS: 00000246[ 102.027062] softirqs last disabled at (0): [<0000000000000000>] 0x0 ORIG_RAX: 0000000000000001 # [ 92.536687] RAX: fffffffffffff[ 102.040291] ---[ end trace 3f56960d4fcd6e37 ]--- fda RBX: 000000000000000f RCX: 00007fac3b8a6f33 # [ 92.544655[ 102.051668] lkdtm: Saturation detected: still saturated ] RDX: 000000000000000f RSI: 00007fac3b797000 RDI: 0000000000000001 # [ 92.552620] RBP: 00007fac3b797000 R08: 00007fac3b796010 R09: 0000000000000000 # [ 92.560588] R10: 00007fac3b9a11c0 R11: 0000000000000246 R12: 0000000000000001 # [ 92.568553] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh # Killed # [ 92.660382] lkdtm: Performing direct entry EXEC_NULL # [ 92.669167] lkdtm: attempting ok execution at ffffffff99eb1d00 # [ 92.681887] lkdtm: attempting bad execution at 0000000000000000 # [ 92.694710] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 92.708683] #PF: supervisor instruction fetch in kernel mode # [ 92.714990] #PF: error_code(0x0010) - not-present page # [ 92.720724] PGD 0 P4D 0 # [ 92.723539] Oops: 0010 [#11] SMP PTI # [ 92.727518] CPU: 0 PID: [ 102.154268] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED [ 102.163734] lkdtm: attempting bad refcount_dec() from saturated [ 102.170372] ------------[ cut here ]------------ [ 102.175559] refcount_t: decrement hit 0; leaking memory. [ 102.181533] WARNING: CPU: 2 PID: 2414 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 1837 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 102.190876] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 102.223510] CPU: 2 PID: 2414 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 102.232190] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 102.238998] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 [ 102.244735] Code: ff 48 c7 c7 70 bf e5 9a c6 05 e6 20 76 01 01 e8 bd 0e 93 00 0f 0b c3 48 c7 c7 40 bf e5 9a c6 05 d1 20 76 01 01 e8 a7 0e 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 [ 102.265718] RSP: 0018:ffffa98a42ea7e48 EFLAGS: 00010286 [ 102.271551] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 [ 102.279521] RDX: ffff8ff0bad2c660 RSI: ffff8ff0bad1bf70 RDI: ffff8ff0bad1bf70 [ 102.287491] RBP: ffffffff9aec0534 R08: 0000000000000000 R09: 0000000000000000 [ 102.295460] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 102.303431] R13: ffffa98a42ea7f10 R14: ffffa98a42ea7f10 R15: ffff8ff048beb000 [ 102.311400] FS: 00007f91cba77580(0000) GS:ffff8ff0bad00000(0000) knlGS:0000000000000000 [ 102.320437] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 92.736156] Hardware name: Google Rammus/Rammus, BIOS 09/04/[ 102.326859] CR2: 00007f91cb890000 CR3: 00000001029e8006 CR4: 00000000003706e0 [ 102.341050] Call Trace: 2020 # [ 92.742959] RIP: 0010:0x0 # [ 92.745879] Code: Una[ 102.343783] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5b ble to access opcode bytes at RIP 0xffffffffffffffd6. # [ 92.[ 102.355449] direct_entry.cold+0x2c/0x38 753556] RSP: 0018:ffffa98a425bfe48 EFLAGS: 00010246 # [ 92.75[ 102.366040] full_proxy_write+0x56/0x80 [ 102.376534] vfs_write+0xea/0x390 [ 102.380255] ksys_write+0x68/0xe0 [ 102.383956] do_syscall_64+0x33/0x40 [ 102.387972] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 102.393614] RIP: 0033:0x7f91cb99ff33 [ 102.397604] 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 [ 102.418591] RSP: 002b:00007ffe25e0f0b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 102.427094] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f91cb99ff33 [ 102.435090] RDX: 0000000000000017 RSI: 00007f91cb890000 RDI: 0000000000000001 [ 102.443062] RBP: 00007f91cb890000 R08: 00007f91cb88f010 R09: 0000000000000000 [ 102.451089] R10: 00007f91cba9a1c0 R11: 0000000000000246 R12: 0000000000000001 [ 102.459059] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 102.467054] irq event stamp: 0 [ 102.470467] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 102.477467] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 102.486628] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 102.495764] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 102.502762] ---[ end trace 3f56960d4fcd6e38 ]--- [ 102.507917] lkdtm: Saturation detected: still saturated 9388] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 92.767353] RDX: 0000000000000000 RSI: ffff8ff0bac1bf70 RDI: ffff8ff0bac1bf70 # [ 92.775320] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 # [ 92.783285] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 92.791254] R13: ffffa98a425bff10 R14: ffffa98a425bff10 R15: ffff8ff0429c6000 # [ 92.799221] FS: 00007f54f2072580(0000) GS:ffff8ff0bac00000(0000) knlGS:0000000000000000 # [ 92.808257] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 92.814670] CR2: ffffffffffffffd6 CR3: 0000000106c4e006 CR4: 00000000003706f0 # [ 92.822637] Call Trace: # [ 92.825366] execute_location+0x48/0x56 # [ 92.829652] direct_entry.cold+0x2c/0x38 # [ 92.834033] full_proxy_write+0x56/0x80 # [ 92.838318] vfs_write+0xea/0x390 # [ 92.842005] ksys_write+0x68/0xe0 # [ 92.845701] do_syscall_64+0x33/0x40 # [ 92.849679] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 92.855317] RIP: 0033:0x7f54f1f9af33 # [ 92.859304] 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 # [ 92.880282] RSP: 002b:00007ffef531e278 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 92.888736] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f54f1f9af33 # [ 92.896700] RDX: 000000000000000a RSI: 00007f54f1e8b000 RDI: 0000000000000001 # [ 92.904667] RBP: 00007f54f1e8b000 R08: 00007f54f1e8a010 R09: 0000000000000000 # [ 92.912634] R10: 00007f54f20951c0 R11: 0000000000000246 R12: 0000000000000001 # [ 92.920602] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 92.928569] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 92.954994] CR2: 0000000000000000 # [ 92.958693] ---[ end trace 3f56960d4fcd6e27 ]--- # [ 92.963847] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 92.968221] Code: 59 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[ 102.744464] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED 00 00 00 0f 1f 44 00 00 83 05 e0 1b 70 02 # [ 92.989200] RSP[ 102.753268] lkdtm: attempting bad refcount_dec() from saturated : 0018:ffffa98a413f7e60 EFLAGS: 00010286 # [ 92.995031] RAX: [ 102.766093] ------------[ cut here ]------------ ffffffff99eb1930 RBX: 0000000000000001 RCX: 0000000000000000 # [ 102.777461] refcount_t: saturated; leaking memory. [ 93.002997] RDX: 0000000000000000 RSI: ffff8ff0bac1bf70 RDI: [ 102.789053] WARNING: CPU: 1 PID: 2449 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 ffffffff9aad9a70 # [ 93.010963] RBP: ffffffff9af1b680 R08: 00[ 102.804589] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 00000000000001 R09: 0000000000000001 # [ 93.018931] R10: 0000[ 102.837231] CPU: 1 PID: 2449 Comm: cat Tainted: G D W 5.10.131-cip13 #1 0000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ [ 102.852094] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 93.026899] R13: ffffa98a413f7f10 R14: ffffa98a413f7f10 R15: ffff[ 102.865112] RIP: 0010:refcount_warn_saturate+0x49/0xf0 8ff0465ad000 # [ 93.034866] FS: 00007f54f2072580(0000) GS:ff[ 102.877065] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 7a 21 76 01 00 75 f2 48 c7 c7 c0 be e5 9a c6 05 6a 21 76 01 01 e8 3d 0f 93 00 <0f> 0b c3 80 3d 5a 21 76 01 00 75 d3 48 c7 c7 e8 be e5 9a c6 05 4a [ 102.904260] RSP: 0018:ffffa98a42f37e48 EFLAGS: 00010286 ff8ff0bac00000(0000) knlGS:0000000000000000 # [ 93.043902] CS[ 102.910094] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 : 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 93.050314[ 102.924278] RDX: ffff8ff0bacac660 RSI: ffff8ff0bac9bf70 RDI: ffff8ff0bac9bf70 ] CR2: ffffffffffffffd6 CR3: 0000000106c4e006 CR4: 0000000000370[ 102.938463] RBP: ffffffff9aec054b R08: 0000000000000000 R09: 0000000000000000 6f0 # EXEC_NULL: saw 'call trace:': ok ok 36 selftests: lkdtm:[ 102.952649] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.sh # Killed[ 102.966834] R13: ffffa98a42f37f10 R14: ffffa98a42f37f10 R15: ffff8ff048bc4000 # [ 93.246848] lkdtm: Performing direct entry ACCESS_USERSPA[ 102.981033] FS: 00007f363a404580(0000) GS:ffff8ff0bac80000(0000) knlGS:0000000000000000 CE # [ 93.257217] lkdtm: attempting bad read at 00007ff8516a7[ 102.996286] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 000 # [ 93.269574] BUG: unable to handle page fault for addre[ 103.008919] CR2: 00007f363a21d000 CR3: 00000001027c2001 CR4: 00000000003706e0 ss: 00007ff8516a7000 # [ 93.283442] #PF: supervisor read acce[ 103.023106] Call Trace: ss in kernel mode # [ 93.289166] #PF: error_code(0x0001) - pe[ 103.032055] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x60 rmissions violation # [ 93.295386] PGD 8000000102648067 P4D 8[ 103.043715] direct_entry.cold+0x2c/0x38 000000102648067 PUD 106700067 PMD 1080ed067 PTE 1159a5067 # [ [ 103.054310] full_proxy_write+0x56/0x80 93.305105] Oops: 0001 [#12] SMP PTI # [ 93.315308] CPU: 1 PI[ 103.064803] vfs_write+0xea/0x390 D: 1872 Comm: cat Tainted: G D W 5.10.131-cip13 #1[ 103.074716] ksys_write+0x68/0xe0 # [ 93.323955] Hardware name: Google Rammus/Rammus, BIOS 09/[ 103.084630] do_syscall_64+0x33/0x40 04/2020 # [ 93.330760] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+[ 103.094837] entry_SYSCALL_64_after_hwframe+0x44/0xa9 0x3d/0x9f # [ 93.336980] Code: 2b 04 25 28 00 00 00 75 60 48 [ 103.106694] RIP: 0033:0x7f363a32cf33 83 c4 10 5d c3 48 89 ee 48 c7 c7 80 13 ec 9a e8 55 9d fd ff 48 c[ 103.116902] 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 7 c7 a8 13 ec 9a b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 3c [ 103.144102] RSP: 002b:00007ffe70241528 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 9d fd ff 48 89 ee 48 c7 c7 d0 13 ec # [ 93.364166] RSP: 0018:[ 103.158775] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f363a32cf33 ffffa98a4264fe48 EFLAGS: 00010246 # [ 93.369998] RAX: 0000000[ 103.172962] RDX: 0000000000000017 RSI: 00007f363a21d000 RDI: 0000000000000001 [ 103.187148] RBP: 00007f363a21d000 R08: 00007f363a21c010 R09: 0000000000000000 0c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 # [ 93.[ 103.195118] R10: 00007f363a4271c0 R11: 0000000000000246 R12: 0000000000000001 377964] RDX: 0000000000000000 RSI: ffff8ff0bac9bf70 RDI: fffffff[ 103.209301] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 f9aec13a8 # [ 93.385930] RBP: 00007ff8516a7000 R08: 000000000[ 103.223490] irq event stamp: 0 0000000 R09: 0000000000000000 # [ 93.393897] R10: 00000000fff[ 103.233111] hardirqs last enabled at (0): [<0000000000000000>] 0x0 fe000 R11: 3fffffffffffffff R12: 0000000000000011 # [ 93.4018[ 103.246329] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 64] R13: ffffa98a4264ff10 R14: ffffa98a4264ff10 R15: ffff8ff048b[ 103.261681] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 e9000 # [ 93.409830] FS: 00007ff851678580(0000) GS:ffff8ff0b[ 103.277035] softirqs last disabled at (0): [<0000000000000000>] 0x0 ac80000(0000) knlGS:0000000000000000 # [ 93.418866] CS: 0010[ 103.290251] ---[ end trace 3f56960d4fcd6e39 ]--- DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 93.425279] CR2: [ 103.301623] lkdtm: Saturation detected: still saturated 00007ff8516a7000 CR3: 0000000106978004 CR4: 00000000003706e0 # [ 93.433243] Call Trace: # [ 93.435969] direct_entry.cold+0x2c/0x38 # [ 93.440348] full_proxy_write+0x56/0x80 # [ 93.450834] vfs_write+0xea/0x390 # [ 93.454530] ksys_write+0x68/0xe0 # [ 93.458227] do_syscall_64+0x33/0x40 # [ 93.462215] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 93.467853] RIP: 0033:0x7ff8515a0f33 # [ 93.471838] 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 # [ 93.492815] RSP: 002b:00007ffda66d9168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 93.501266] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007ff8515a0f33 # [ 93.509233] RDX: 0000000000000011 RSI: 00007ff851491000 RDI: 0000000000000001 # [ 93.517199] RBP: 00007ff851491000 R08: 00007ff851490010 R09: 0000000000000000 # [ 93.525165] R10: 00007ff85169b1c0 R11: 0000000000[ 103.410981] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED 000246 R12: 0000000000000001 # [ 93.533132] R13: 000000000000[ 103.420879] lkdtm: attempting bad refcount_inc_not_zero() from saturated 0001 R14: 0000000000020000 R15: 0000000000020000 # [ 93.54110[ 103.434583] ------------[ cut here ]------------ 0] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sen[ 103.445941] refcount_t: saturated; leaking memory. sors_core industrialio_triggered_buffer kfifo_buf industrialio c[ 103.457548] WARNING: CPU: 0 PID: 2481 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 ros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs [ 103.473057] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_noti[ 103.505710] CPU: 0 PID: 2481 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 103.520560] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 fy # [ 93.573730] CR2: 00007ff8516a7000 # [ 93.577416] ---[ 103.527395] RIP: 0010:refcount_warn_saturate+0x87/0xf0 [ end trace 3f56960d4fcd6e28 ]--- # [ 93.582569] RIP: 0010:lk[ 103.539299] Code: 05 4a 21 76 01 01 e8 1e 0f 93 00 0f 0b c3 80 3d 3d 21 76 01 00 75 b4 48 c7 c7 c0 be e5 9a c6 05 2d 21 76 01 01 e8 ff 0e 93 00 <0f> 0b c3 80 3d 1b 21 76 01 00 75 95 48 c7 c7 18 bf e5 9a c6 05 0b dtm_BUG+0x5/0x10 # [ 93.586943] Code: 59 a5 ff 48 c7 c0 ea ff[ 103.566533] RSP: 0018:ffffa98a42fc7e38 EFLAGS: 00010282 [ 103.578545] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 [ 103.586544] RDX: ffff8ff0bac2c660 RSI: ffff8ff0bac1bf70 RDI: ffff8ff0bac1bf70 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00[ 103.600737] RBP: ffffffff9aec0178 R08: 0000000000000000 R09: 0000000000000000 [ 103.614910] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 00 00 00 0f 1f 44 00 00 83 05 e0 1b 70 02 # [ 93.607919] RSP[ 103.622918] R13: ffffa98a42fc7f10 R14: ffffa98a42fc7f10 R15: ffff8ff048d4c000 : 0018:ffffa98a413f7e60 EFLAGS: 00010286 # [ 93.613741] RAX: [ 103.637083] FS: 00007fce13bd4580(0000) GS:ffff8ff0bac00000(0000) knlGS:0000000000000000 [ 103.652339] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ffffffff99eb1930 RBX: 0000000000000001 RCX: 0000000000000000 # [ 103.658795] CR2: 00007fce139ed000 CR3: 0000000108c58002 CR4: 00000000003706f0 [ 103.672940] Call Trace: [ 93.621707] RDX: 0000000000000000 RSI: ffff8ff0bac1bf70 RDI: [ 103.675696] __refcount_add_not_zero.constprop.0+0x2a/0x31 ffffffff9aad9a70 # [ 93.629672] RBP: ffffffff9af1b680 R08: 00[ 103.688042] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x72 00000000000001 R09: 0000000000000001 # [ 93.637637] R10: 0000[ 103.700584] direct_entry.cold+0x2c/0x38 0000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ [ 103.711225] full_proxy_write+0x56/0x80 93.645602] R13: ffffa98a413f7f10 R14: ffffa98a413f7f10 R15: ffff[ 103.721681] vfs_write+0xea/0x390 8ff0465ad000 # [ 93.653569] FS: 00007ff851678580(0000) GS:ff[ 103.731625] ksys_write+0x68/0xe0 ff8ff0bac80000(0000) knlGS:0000000000000000 # [ 93.662604] CS[ 103.741545] do_syscall_64+0x33/0x40 : 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 93.669028[ 103.751780] entry_SYSCALL_64_after_hwframe+0x44/0xa9 ] CR2: 00007ff8516a7000 CR3: 0000000106978004 CR4: 0000000000370[ 103.763588] RIP: 0033:0x7fce13afcf33 6e0 # [ 93.676992] BUG: sleeping function called from invalid[ 103.773800] 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 context at include/linux/percpu-rwsem.h:49 # [ 93.686901] in[ 103.800996] RSP: 002b:00007fff8bbf1df8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 _atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1872, name:[ 103.815675] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fce13afcf33 cat # [ 93.695352] INFO: lockdep is turned off. # [ 93.69[ 103.829851] RDX: 0000000000000020 RSI: 00007fce139ed000 RDI: 0000000000000001 9726] irq event stamp: 0 # [ 93.703129] hardirqs last enable[ 103.844111] RBP: 00007fce139ed000 R08: 00007fce139ec010 R09: 0000000000000000 d at (0): [<0000000000000000>] 0x0 # [ 93.710118] hardirqs la[ 103.858240] R10: 00007fce13bf71c0 R11: 0000000000000246 R12: 0000000000000001 st disabled at (0): [] copy_process+0x63c/0x1c[ 103.872435] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 80 # [ 93.719250] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 93.728373] softirqs la[ 103.896255] hardirqs last enabled at (0): [<0000000000000000>] 0x0 st disabled at (0): [<0000000000000000>] 0x0 # [ 93.735370] C[ 103.909468] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 PU: 1 PID: 1872 Comm: cat Tainted: G D W 5.10.131-c[ 103.924819] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 ip13 #1 # [ 93.744030] Hardware name: Google Rammus/Rammus, B[ 103.940173] softirqs last disabled at (0): [<0000000000000000>] 0x0 IOS 09/04/2020 # [ 93.750832] Call Trace: # [ 93.753557] [ 103.953399] ---[ end trace 3f56960d4fcd6e3a ]--- dump_stack+0x77/0x97 # [ 93.757254] ___might_sleep.cold+0xa[ 103.964765] lkdtm: Saturation detected: still saturated 6/0xb6 # [ 93.761822] exit_signals+0x1c/0x2d0 # [ 93.765808] do_exit+0xd5/0xb00 # [ 93.769307] ? ksys_write+0x68/0xe0 # [ 93.773199] rewind_stack_do_exit+0x17/0x20 # [ 93.777864] RIP: 0033:0x7ff8515a0f33 # [ 93.781850] 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 # [ 93.802825] RSP: 002b:00007ffda66d9168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 93.811278] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007ff8515a0f33 # [ 93.819244] RDX: 0000000000000011 RSI: 00007ff851491000 RDI: 0000000000000001 # [ 93.827209] RBP: 00007ff851491000 R08: 00007ff851490010 R09: 0000000000000000 # [ 93.835175] R10: 00007ff85169b1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 93.843140] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # ACCESS_USERSPACE: saw 'call trace:': ok ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # selftests: lkdtm: ACCESS_NULL.sh # Killed # [ 93.923572] lkdtm: Performing direct entry ACCESS_NULL # [ 93.931463] lkdtm: attempting bad read at 0000000000000000 # [ 93.943813] BUG: kernel NULL pointer dereference, address: 00000[ 104.096531] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED 00000000000 # [ 93.957791] #PF: supervisor read access in ker[ 104.109179] lkdtm: attempting bad refcount_add_not_zero() from saturated nel mode # [ 93.963527] #PF: error_code(0x0000) - not-present[ 104.122894] ------------[ cut here ]------------ page # [ 93.975476] PGD 0 P4D 0 # [ 93.978301] Oops: 000[ 104.134266] refcount_t: saturated; leaking memory. 0 [#13] SMP PTI # [ 93.988502] CPU: 1 PID: 1907 Comm: cat Tai[ 104.145871] WARNING: CPU: 0 PID: 2513 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 nted: G D W 5.10.131-cip13 #1 # [ 93.997150] Har[ 104.161403] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify dware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 94.010[ 104.194046] CPU: 0 PID: 2513 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 104.208896] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 170] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 94.015420] Cod[ 104.215742] RIP: 0010:refcount_warn_saturate+0x87/0xf0 e: f9 9c fd ff be 00 10 00 00 48 89 ef e8 d6 c7 3f ff e9 6d ff f[ 104.227648] Code: 05 4a 21 76 01 01 e8 1e 0f 93 00 0f 0b c3 80 3d 3d 21 76 01 00 75 b4 48 c7 c7 c0 be e5 9a c6 05 2d 21 76 01 01 e8 ff 0e 93 00 <0f> 0b c3 80 3d 1b 21 76 01 00 75 95 48 c7 c7 18 bf e5 9a c6 05 0b f ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 80 13 ec 9a e8 d3 9c fd ff[ 104.254890] RSP: 0018:ffffa98a43047e38 EFLAGS: 00010282 [ 104.266928] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 a8 13 ec 9a 4[ 104.274922] RDX: ffff8ff0bac2c660 RSI: ffff8ff0bac1bf70 RDI: ffff8ff0bac1bf70 8 01 # [ 94.042608] RSP: 0018:ffffa98a426efe58 EFLAGS: 000102[ 104.289138] RBP: ffffffff9aec0198 R08: 0000000000000000 R09: 0000000000000000 46 # [ 94.048438] RAX: 000000000000002e RBX: 0000000000000027[ 104.303303] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 RCX: 0000000000000000 # [ 94.056404] RDX: 0000000000000000 R[ 104.317517] R13: ffffa98a43047f10 R14: ffffa98a43047f10 R15: ffff8ff048341000 SI: ffff8ff0bac9bf70 RDI: ffff8ff0bac9bf70 # [ 94.064370] RBP[ 104.331689] FS: 00007ff10327b580(0000) GS:ffff8ff0bac00000(0000) knlGS:0000000000000000 : ffffffff9aec0471 R08: 0000000000000000 R09: 0000000000000000 [ 104.346985] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 94.072338] R10: 00000000ffffe000 R11: 3fffffffffffffff R12[ 104.359582] CR2: 00007ff103094000 CR3: 0000000108b36003 CR4: 00000000003706f0 : 000000000000000c # [ 94.080305] R13: ffffa98a426eff10 R14: [ 104.373778] Call Trace: ffffa98a426eff10 R15: ffff8ff048b36000 # [ 94.088273] FS: 00[ 104.382752] __refcount_add_not_zero.constprop.0+0x2a/0x31 007fab76a33580(0000) GS:ffff8ff0bac80000(0000) knlGS:00000000000[ 104.395098] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x72 00000 # [ 94.097299] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000[ 104.407622] direct_entry.cold+0x2c/0x38 080050033 # [ 94.103712] CR2: 0000000000000000 CR3: 000000010[ 104.418215] full_proxy_write+0x56/0x80 65a4006 CR4: 00000000003706e0 # [ 94.111678] Call Trace: # [[ 104.428715] vfs_write+0xea/0x390 94.114403] direct_entry.cold+0x2c/0x38 # [ 94.118781] fu[ 104.438630] ksys_write+0x68/0xe0 ll_proxy_write+0x56/0x80 # [ 94.129269] vfs_write+0xea/0x390[ 104.448571] do_syscall_64+0x33/0x40 # [ 94.132955] ksys_write+0x68/0xe0 # [ 94.136653] do_s[ 104.458778] entry_SYSCALL_64_after_hwframe+0x44/0xa9 yscall_64+0x33/0x40 # [ 94.140640] entry_SYSCALL_64_after_hw[ 104.470653] RIP: 0033:0x7ff1031a3f33 frame+0x44/0xa9 # [ 94.146278] RIP: 0033:0x7fab7695bf33 # [ [ 104.480861] 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 94.150264] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff [ 104.508079] RSP: 002b:00007fffdbdaf5f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 0[ 104.522778] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007ff1031a3f33 1 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 [ 104.536939] RDX: 0000000000000020 RSI: 00007ff103094000 RDI: 0000000000000001 ec 28 48 89 54 24 18 # [ 94.171242] RSP: 002b:00007fffb96cd42[ 104.551119] RBP: 00007ff103094000 R08: 00007ff103093010 R09: 0000000000000000 8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 94.179686] [ 104.565304] R10: 00007ff10329e1c0 R11: 0000000000000246 R12: 0000000000000001 RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fab7695bf3[ 104.579483] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 3 # [ 94.187652] RDX: 000000000000000c RSI: 00007fab7684c000 [ 104.593676] irq event stamp: 0 RDI: 0000000000000001 # [ 94.195619] RBP: 00007fab7684c000 R0[ 104.603295] hardirqs last enabled at (0): [<0000000000000000>] 0x0 8: 00007fab7684b010 R09: 0000000000000000 # [ 94.203585] R10:[ 104.616520] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 00007fab76a561c0 R11: 0000000000000246 R12: 0000000000000001 #[ 104.631863] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 94.211550] R13: 0000000000000001 R14: 0000000000020000 R15:[ 104.647223] softirqs last disabled at (0): [<0000000000000000>] 0x0 0000000000020000 # [ 94.219519] Modules linked in: fuse ip_t[ 104.660439] ---[ end trace 3f56960d4fcd6e3b ]--- ables cros_ec_sensors cros_ec_sensors_core industrialio_triggere[ 104.671820] lkdtm: Saturation detected: still saturated d_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 94.252152] CR2: 0000000000000000 # [ 94.255849] ---[ end trace 3f56960d4fcd6e29 ]--- # [ 94.261001] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 94.265401] Code: 59 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 1b 70 02 # [ 94.286370] RSP: 0018:ffffa98a413f7e60 EFLAGS: 00010286 # [ 94.292201] RAX: ffffffff99eb1930 RBX: 0000000000000001 RCX: 0000000000000000 # [ 94.300168] RDX: 0000000000000000 RSI: ffff8ff0bac1bf70 RDI: ffffffff9aad9a70 # [ 94.308133] RBP: ffffffff9af1b680 R08: 0000000000000001 R09: 0000000000000001 # [ 94.316099] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 94.324080] R13: ffffa98a413f7f10 R14: ffffa98a413f7f10 R15: ffff8ff0465ad000 # [ 94.332048] FS: 00007fab76a33580(0000) GS:ffff8ff0bac80000(0000) knlGS:0000[ 104.785101] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED 000000000000 # [ 94.341084] CS: 0010 DS: 0000 ES: 0000 CR0: [ 104.797226] lkdtm: attempting bad refcount_dec_and_test() from saturated 0000000080050033 # [ 94.347496] CR2: 0000000000000000 CR3: 00[ 104.810947] ------------[ cut here ]------------ 000001065a4006 CR4: 00000000003706e0 # ACCESS_NULL: saw 'call t[ 104.822319] refcount_t: underflow; use-after-free. race:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests:[ 104.833894] WARNING: CPU: 0 PID: 2548 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 lkdtm: WRITE_RO.sh # Killed # [ 94.460672] lkdtm: Performin[ 104.849396] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify g direct entry WRITE_RO # [ 94.466585] lkdtm: attempting bad [ 104.882074] CPU: 0 PID: 2548 Comm: cat Tainted: G D W 5.10.131-cip13 #1 rodata write at ffffffff9aad9ef0 # [ 94.479708] BUG: unable t[ 104.896948] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 o handle page fault for address: ffffffff9aad9ef0 # [ 94.4935[ 104.909978] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 95] #PF: supervisor write access in kernel mode # [ 94.499425[ 104.921918] Code: 05 2d 21 76 01 01 e8 ff 0e 93 00 0f 0b c3 80 3d 1b 21 76 01 00 75 95 48 c7 c7 18 bf e5 9a c6 05 0b 21 76 01 01 e8 e0 0e 93 00 <0f> 0b c3 80 3d fa 20 76 01 00 0f 85 72 ff ff ff 48 c7 c7 70 bf e5 ] #PF: error_code(0x0003) - permissions violation # [ 94.5056[ 104.949160] RSP: 0018:ffffa98a430efe40 EFLAGS: 00010286 42] PGD 104a29067 P4D 104a29067 PUD 104a2a063 PMD 80000001044000[ 104.961201] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 e1 # [ 94.513419] Oops: 0003 [#14] SMP PTI # [ 94.517406][ 104.975417] RDX: ffff8ff0bac2c660 RSI: ffff8ff0bac1bf70 RDI: ffff8ff0bac1bf70 CPU: 1 PID: 1942 Comm: cat Tainted: G D W 5.10.131[ 104.989638] RBP: ffffffff9aec01b8 R08: 0000000000000000 R09: 0000000000000000 -cip13 #1 # [ 94.526043] Hardware name: Google Rammus/Rammus,[ 105.003800] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 BIOS 09/04/2020 # [ 94.532848] RIP: 0010:lkdtm_WRITE_RO+0x2[ 105.018024] R13: ffffa98a430eff10 R14: ffffa98a430eff10 R15: ffff8ff048c45000 e/0x3a # [ 94.537806] Code: 00 48 c7 c7 60 12 ec 9a 48 c7 c6 [ 105.032193] FS: 00007feb62229580(0000) GS:ffff8ff0bac00000(0000) knlGS:0000000000000000 f0 9e ad 9a e8 75 9f fd ff 48 8b 05 f8 20 5e 00 ba 34 12 cd ab 4[ 105.047519] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 8 c7 c7 90 12 ec 9a 48 31 d0 <48> 89 05 e2 20 5e 00 e9 53 9f fd [ 105.060097] CR2: 00007feb62042000 CR3: 0000000108c34001 CR4: 00000000003706f0 ff 0f 1f 44 00 00 48 8b 05 09 45 # [ 94.564994] RSP: 0018:fff[ 105.074281] Call Trace: fa98a4274fe60 EFLAGS: 00010202 # [ 94.570825] RAX: 0000000001[ 105.083249] __refcount_sub_and_test.constprop.0+0x34/0x40 98b861 RBX: 0000000000000028 RCX: 0000000000000000 # [ 94.578[ 105.095578] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x72 791] RDX: 00000000abcd1234 RSI: ffff8ff0bac9bf70 RDI: ffffffff9a[ 105.108146] direct_entry.cold+0x2c/0x38 ec1290 # [ 94.586757] RBP: ffffffff9aec047d R08: 000000000000[ 105.118745] full_proxy_write+0x56/0x80 0000 R09: 0000000000000000 # [ 94.594723] R10: 00000000ffffe0[ 105.129235] vfs_write+0xea/0x390 00 R11: 3fffffffffffffff R12: 0000000000000009 # [ 94.602688][ 105.139153] ksys_write+0x68/0xe0 R13: ffffa98a4274ff10 R14: ffffa98a4274ff10 R15: ffff8ff0467610[ 105.149096] do_syscall_64+0x33/0x40 00 # [ 94.610654] FS: 00007f1ad3e6a580(0000) GS:ffff8ff0bac8[ 105.159278] entry_SYSCALL_64_after_hwframe+0x44/0xa9 0000(0000) knlGS:0000000000000000 # [ 94.619690] CS: 0010 DS[ 105.171143] RIP: 0033:0x7feb62151f33 : 0000 ES: 0000 CR0: 0000000080050033 # [ 94.626103] CR2: fff[ 105.181354] 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 fffff9aad9ef0 CR3: 000000010834a003 CR4: 00000000003706e0 # [ [ 105.208562] RSP: 002b:00007ffe25e76728 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 94.634080] Call Trace: # [ 94.636796] direct_entry.cold+0x2[ 105.223235] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007feb62151f33 c/0x38 # [ 94.641165] full_proxy_write+0x56/0x80 # [ 94.6[ 105.237426] RDX: 0000000000000020 RSI: 00007feb62042000 RDI: 0000000000000001 45447] vfs_write+0xea/0x390 # [ 94.655351] ksys_write+0x68/[ 105.251620] RBP: 00007feb62042000 R08: 00007feb62041010 R09: 0000000000000000 0xe0 # [ 94.659048] do_syscall_64+0x33/0x40 # [ 94.663036[ 105.265812] R10: 00007feb6224c1c0 R11: 0000000000000246 R12: 0000000000000001 ] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 94.668673] RI[ 105.280024] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 P: 0033:0x7f1ad3d92f33 # [ 94.672660] Code: 8b 15 61 ef 0c 00[ 105.294223] irq event stamp: 0 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 [ 105.303826] hardirqs last enabled at (0): [<0000000000000000>] 0x0 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff[ 105.317057] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 94.69363[ 105.332405] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 5] RSP: 002b:00007ffdaf2b7ce8 EFLAGS: 00000246 ORIG_RAX: 0000000[ 105.347749] softirqs last disabled at (0): [<0000000000000000>] 0x0 000000001 # [ 94.702087] RAX: ffffffffffffffda RBX: 000000000[ 105.360981] ---[ end trace 3f56960d4fcd6e3c ]--- 0000009 RCX: 00007f1ad3d92f33 # [ 94.710054] RDX: 00000000000[ 105.372349] lkdtm: Saturation detected: still saturated 00009 RSI: 00007f1ad3c83000 RDI: 0000000000000001 # [ 94.718028] RBP: 00007f1ad3c83000 R08: 00007f1ad3c82010 R09: 0000000000000000 # [ 94.725994] R10: 00007f1ad3e8d1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 94.733953] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 94.741921] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 94.774551] CR2: ffffffff9aad9ef0 # [ 94.778238] ---[ end trace 3f56960d4fcd6e2a ]--- # [ 94.783391] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 94.787766] Code: 59 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 1b 70 02 # [ 94.808741] RSP: 0[ 105.476207] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED [ 105.485288] lkdtm: attempting bad refcount_sub_and_test() from saturated [ 105.492781] ------------[ cut here ]------------ [ 105.497938] refcount_t: underflow; use-after-free. [ 105.503297] WARNING: CPU: 2 PID: 2583 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 [ 105.512635] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 105.539101] CPU: 2 PID: 2583 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 105.547752] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 105.554550] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 [ 105.560290] Code: 05 2d 21 76 01 01 e8 ff 0e 93 00 0f 0b c3 80 3d 1b 21 76 01 00 75 95 48 c7 c7 18 bf e5 9a c6 05 0b 21 76 01 01 e8 e0 0e 93 00 <0f> 0b c3 80 3d fa 20 76 01 00 0f 85 72 ff ff ff 48 c7 c7 70 bf e5 [ 105.581280] RSP: 0018:ffffa98a431a7e40 EFLAGS: 00010286 [ 105.587116] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 [ 105.595083] RDX: ffff8ff0bad2c660 RSI: ffff8ff0bad1bf70 RDI: ffff8ff0bad1bf70 [ 105.603056] RBP: ffffffff9aec01d8 R08: 0000000000000000 R09: 0000000000000000 [ 105.611050] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 105.619033] R13: ffffa98a431a7f10 R14: ffffa98a431a7f10 R15: ffff8ff048ced000 018:ffffa98a413f7e60 EFLAGS: 00010286 # [ 94.814573] RAX: fff[ 105.627006] FS: 00007fc7f4c67580(0000) GS:ffff8ff0bad00000(0000) knlGS:0000000000000000 [ 105.642259] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 fffff99eb1930 RBX: 0000000000000001 RCX: 0000000000000000 # [ [ 105.648679] CR2: 00007fc7f4a80000 CR3: 000000010680e006 CR4: 00000000003706e0 94.822540] RDX: 0000000000000000 RSI: ffff8ff0bac1bf70 RDI: fff[ 105.662868] Call Trace: fffff9aad9a70 # [ 94.830507] RBP: ffffffff9af1b680 R08: 00000[ 105.671816] __refcount_sub_and_test.constprop.0+0x34/0x40 00000000001 R09: 0000000000000001 # [ 94.838473] R10: 0000000[ 105.684157] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x72 [ 105.696696] direct_entry.cold+0x2c/0x38 [ 105.701101] full_proxy_write+0x56/0x80 [ 105.705384] vfs_write+0xea/0x390 [ 105.709084] ksys_write+0x68/0xe0 [ 105.712783] do_syscall_64+0x33/0x40 [ 105.716775] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 105.722417] RIP: 0033:0x7fc7f4b8ff33 [ 105.726414] 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 0ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 94.[ 105.747433] RSP: 002b:00007ffd9c7a73b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 105.762097] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fc7f4b8ff33 [ 105.770081] RDX: 0000000000000020 RSI: 00007fc7f4a80000 RDI: 0000000000000001 [ 105.778054] RBP: 00007fc7f4a80000 R08: 00007fc7f4a7f010 R09: 0000000000000000 [ 105.786046] R10: 00007fc7f4c8a1c0 R11: 0000000000000246 R12: 0000000000000001 [ 105.794031] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 846440] R13: ffffa98a413f7f10 R14: ffffa98a413f7f10 R15: ffff8ff[ 105.802006] irq event stamp: 0 [ 105.811624] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 105.818617] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 105.827756] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 105.836893] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 105.843884] ---[ end trace 3f56960d4fcd6e3d ]--- [ 105.849040] lkdtm: Saturation detected: still saturated 0465ad000 # [ 94.854406] FS: 00007f1ad3e6a580(0000) GS:ffff8ff0bac80000(0000) knlGS:0000000000000000 # [ 94.863440] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 94.869853] CR2: ffffffff9aad9ef0 CR3: 000000010834a003 CR4: 00000000003706e0 # WRITE_RO: saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # Killed # [ 94.953773] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 94.965155] lkdtm: attempting bad ro_after_init write at ffffffff9af3c328 # [ 94.978963] BUG: unable to handle page fault for address: ffffffff9af3c328 # [ 94.992832] #PF: supervisor write access in kernel mode # [ 94.998653] #PF: error_code(0x0003) - permissions violation # [ 95.004872] PGD 104a29067 P4D 104a29067 PUD 104a2a063 PMD 107ea3063 PTE 800000010493c061 # [ 95.013914] Oops: 0003 [#15] SMP PTI # [ 95.017902] CPU: 0 PID: 1977 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 95.026541] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 95.033347] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 95.039377] Code: 12 ec 9a e9 27 9f fd ff 48 c7 c7 e8 12 ec 9a e8 1b 9f fd ff 48 8b 05 d6 44 a4 00 ba 34 12 cd ab 48 c7 c7 90 12 ec 9a 48 31 d0 <48> 89 05 c0 44 a4 00 e9 f9 9e fd ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 95.060356] RSP: 0018:ffffa98a427d7e60 EFLAGS: 00010202 # [ 95.066189] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 # [ 95.074156] RDX: 00000000abcd1234 RSI: ffff8ff0bac1bf70 RDI: ffffffff9aec1290 # [ 95.082124] RBP: ffffffff9aec0486 R08: 0[ 106.006143] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO [ 106.017002] lkdtm: attempting good copy_to_user of correct size [ 106.023621] lkdtm: attempting bad copy_to_user of too large size 000000000000000 R09: 0000000000000000 # [ 95.090094] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 # [ 95.098063] R13: ffffa98a427d7f10 R14: ffffa98a427d7f10 R15: ffff8ff048a3a000 # [ 95.106030] FS: 00007fba569be580(0000) GS:ffff8ff0bac00000(0000) knlGS:0000000000000000 # [ 95.115065] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 95.121480] CR2: ffffffff9af3c328 CR3: 00000001028d4006 CR4: 00000000003706f0 # [ 95.129448] Call Trace: # [ 95.132174] direct_entry.cold+0x2c/0x38 # [ 95.136544] full_proxy_write+0x56/0x80 # [ 95.140830] vfs_write+0xea/0x390 # [ 95.144517] ksys_write+0x68/0xe0 # [ 95.148218] do_syscall_64+0x33/0x40 # [ 95.152207] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 95.157847] RIP: 0033:0x7fba568e6f33 # [ 95.161835] 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 # [[ 106.126134] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM [ 106.136683] lkdtm: attempting good copy_from_user of correct size 95.182803] RSP: 002b:00007ffea3fa4e38 EFLAGS: 00000246 ORIG_R[ 106.143529] lkdtm: attempting bad copy_from_user of too large size AX: 0000000000000001 # [ 95.191258] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fba568e6f33 # [ 95.199224] RDX: 0000000000000014 RSI: 00007fba567d7000 RDI: 0000000000000001 # [ 95.207191] RBP: 00007fba567d7000 R08: 00007fba567d6010 R09: 0000000000000000 # [ 95.215158] R10: 00007fba569e11c0 R11: 0000000000000246 R12: 0000000000000001 # [ 95.223124] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 95.231093] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 95.257527] CR2: ffffffff9af3c328 # [ 95.261216] ---[ end trace 3f56960d4fcd6e2b ]--- # [ 95.266371] RIP:[ 106.233260] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO 0010:lkdtm_BUG+0x5/0x10 # [ 95.270746] Code: 59 a5 ff 48 c7 [ 106.244678] lkdtm: attempting good copy_to_user inside whitelist c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff f[ 106.257642] lkdtm: attempting bad copy_to_user outside whitelist f 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 1b 70 02 # [ 95.291724] RSP: 0018:ffffa98a413f7e60 EFLAGS: 00010286 # [ 95.297556] RAX: ffffffff99eb1930 RBX: 0000000000000001 RCX: 0000000000000000 # [ 95.305523] RDX: 0000000000000000 RSI: ffff8ff0bac1bf70 RDI: ffffffff9aad9a70 # [ 95.313492] RBP: ffffffff9af1b680 R08: 0000000000000001 R09: 0000000000000001 # [ 95.321460] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 95.329427] R13: ffffa98a413f7f10 R14: ffffa98a413f7f10 R15: ffff8ff0465ad000 # [ 95.337394] FS: 00007fba569be580(0000) GS:ffff8ff0bac00000(0000) knlGS:0000000000000000 # [ 95.346431] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 95.352846] CR2: ffffffff9af3c328 CR3: 00000001028d4006 CR4: 00000[ 106.349395] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM 000003706f0 # [ 95.360814] BUG: sleeping function called from[ 106.358713] lkdtm: attempting good copy_from_user inside whitelist invalid context at include/linux/percpu-rwsem.h:49 # [ 95.37[ 106.371858] lkdtm: attempting bad copy_from_user outside whitelist 0726] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1977, name: cat # [ 95.379178] INFO: lockdep is turned off. # [ 95.383552] irq event stamp: 0 # [ 95.386958] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 95.393947] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 95.403079] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 95.412212] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 95.419210] CPU: 0 PID: 1977 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 95.427857] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 95.434661] Call Trace: # [ 95.437389] dump_stack+0x77/0x97 # [ 95.441094] ___might_sleep.cold+0xa6/0xb6 # [ 95.445665] exit_signals+0x1c/0x2d0 # [ [ 106.463423] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO [ 106.472695] lkdtm: good_stack: ffffa98a43557e20-ffffa98a43557e40 [ 106.479439] lkdtm: bad_stack : ffffa98a43557da8-ffffa98a43557dc8 95.449652] do_exit+0xd5/0xb00 # [ 95.453154] ? ksys_write+[ 106.486206] lkdtm: attempting good copy_to_user of local stack [ 106.498912] lkdtm: attempting bad copy_to_user of distant stack 0x68/0xe0 # [ 95.457044] rewind_stack_do_exit+0x17/0x20 # [ 95.461702] RIP: 0033:0x7fba568e6f33 # [ 95.465687] 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 # [ 95.486666] RSP: 002b:00007ffea3fa4e38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 95.495121] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fba568e6f33 # [ 95.503089] RDX: 0000000000000014 RSI: 00007fba567d7000 RDI: 0000000000000001 # [ 95.511054] RBP: 00007fba567d7000 R08: 00007fba567d6010 R09: 0000000000000000 # [ 95.519022] R10: 00007fba569e11c0 R11: 0000000000000246 R12: 0000000000000001 # [ 95.526988] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 #[ 106.581812] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM [ 106.593475] lkdtm: good_stack: ffffa98a43557e20-ffffa98a43557e40 [ 106.600192] lkdtm: bad_stack : ffffa98a43557da8-ffffa98a43557dc8 [ 106.606929] lkdtm: attempting good copy_from_user of local stack WRITE_RO_AFTER_INIT: saw 'call trace:': ok ok 40 selftests: lk[ 106.613653] lkdtm: attempting bad copy_from_user of distant stack dtm: WRITE_RO_AFTER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh # Killed # [ 95.649488] lkdtm: Performing direct entry WRITE_KERN # [ 95.658709] lkdtm: attempting bad 6578290 byte write at ffffffff9a4f7d72 # [ 95.672416] BUG: unable to handle page fault for address: ffffffff9a4f7d72 # [ 95.686301] #PF: supervisor write access in kernel mode # [ 95.692135] #PF: error_code(0x0003) - permissions violation # [ 95.698347] PGD 104a29067 P4D 104a29067 PUD 104a2a063 PMD 103e000e1 # [ 95.705445] Oops: 0003 [#16] SMP PTI # [ 95.715646] CPU: 1 PID: 2012 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 95.724296] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 95.731103] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 95.736255] Code: 53 48 c7 c3 72 7d 4f 9a 49 89 dc 48 89 da 49 81 ec [ 106.704082] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND [ 106.714217] lkdtm: good_stack: ffffa98a43677e20-ffffa98a43677e40 [ 106.720928] lkdtm: bad_stack : ffffa98a43677ff8-ffffa98a43678018 [ 106.727663] lkdtm: attempting good copy_to_user of local stack 00 1d eb 99 4c 89 e6 e8 ce 9e fd ff 48 89 df 4c 89 e1 48 c7 c6 0[ 106.734194] lkdtm: attempting bad copy_to_user of distant stack [ 106.747042] lkdtm: copy_to_user failed, but lacked Oops 0 1d eb 99 a4 48 c7 c7 90 12 ec 9a e8 b3 9e fd ff 5b 41 5c e9 b7 fe ff ff # [ 95.763444] RSP: 0018:ffffa98a4280fe50 EFLAGS: 00010246 # [ 95.769266] RAX: 000000000000003c RBX: ffffffff9a4f7d72 RCX: 0000000000646072 # [ 95.777232] RDX: 0000000000000000 RSI: ffffffff99eb1d00 RDI: ffffffff9a4f7d72 # [ 95.785196] RBP: ffffffff9aec049a R08: 0000000000000000 R09: 0000000000000000 # [ 95.793161] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000646072 # [ 95.801127] R13: ffffa98a4280ff10 R14: ffffa98a4280ff10 R15: ffff8ff048996000 # [ 95.809093] FS: 00007f2532966580(0000) GS:ffff8ff0bac80000(0000) knlGS:0000000000000000 # [ 95.818127] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 95.824540] CR2: ffffffff9a4f7d72 CR3: 000000010677c006 CR4: 00000000003706e0 # [ 95.832506] Call Trace: # [ 95.835235] direct_entry.cold+0x2c/0x38 # [ 95.839613] full_proxy_write+0x56/0x80 # [ 95.850101] vfs_write+0xea/0x390 # [ 95.853788] ksys_write+0x68/0xe0 # [ 95.857[ 106.849043] lkdtm: Performing direct entry USERCOPY_KERNEL 485] do_syscall_64+0x33/0x40 # [ 95.861464] entry_SYSCALL_6[ 106.858536] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff9aad9f10 4_after_hwframe+0x44/0xa9 # [ 95.867101] RIP: 0033:0x7f253288[ 106.873427] lkdtm: attempting bad copy_to_user from kernel text: ffffffff998d10e0 ef33 # [ 95.871088] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48[ 106.887985] lkdtm: FAIL: survived bad copy_to_user() c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 95.892079] RSP: 002b:00007fff8fefc3d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 95.900536] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f253288ef33 # [ 95.908502] RDX: 000000000000000b RSI: 00007f253277f000 RDI: 0000000000000001 # [ 95.916469] RBP: 00007f253277f000 R08: 00007f253277e010 R09: 0000000000000000 # [ 95.924436] R10: 00007f25329891c0 R11: 0000000000000246 R12: 0000000000000001 # [ 95.932402] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 95.940370] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_[ 106.979550] lkdtm: Performing direct entry STACKLEAK_ERASING ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_p[ 106.986867] lkdtm: checking unused part of the thread stack (15928 bytes)... kg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 95.973028] [ 107.000961] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) [ 107.014946] lkdtm: FAIL: the thread stack is NOT properly erased CR2: ffffffff9a4f7d72 # [ 95.976724] ---[ end trace 3f56960d4[ 107.021659] CPU: 1 PID: 2948 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 107.036520] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 107.043326] Call Trace: fcd6e2c ]--- # [ 95.981878] RIP: 0010:lkdtm_BUG+0x5/0x10 # [[ 107.046071] dump_stack+0x77/0x97 [ 107.055992] lkdtm_STACKLEAK_ERASING+0x116/0x140 [ 107.061148] direct_entry.cold+0x2c/0x38 [ 107.065518] full_proxy_write+0x56/0x80 95.986253] Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0[ 107.069801] vfs_write+0xea/0x390 [ 107.079713] ksys_write+0x68/0xe0 [ 107.083412] do_syscall_64+0x33/0x40 [ 107.087401] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 107.093042] RIP: 0033:0x7fb4cd56df33 [ 107.097029] 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 [ 107.118028] RSP: 002b:00007fff4d3c7888 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 107.126485] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fb4cd56df33 [ 107.134454] RDX: 0000000000000012 RSI: 00007fb4cd45e000 RDI: 0000000000000001 [ 107.142424] RBP: 00007fb4cd45e000 R08: 00007fb4cd45d010 R09: 0000000000000000 [ 107.150393] R10: 00007fb4cd6681c0 R11: 0000000000000246 R12: 0000000000000001 [ 107.158364] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 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 1b 70 02 # [ 96.007229] RSP: 0018:ffffa98a413f7e60 EFLAGS: 00010286 # [ 96.013080] RAX: ffffffff99eb1930 RBX: 0000000000000001 RCX: 0000000000000000 # [ 96.021047] RDX: 0000000000000000 RSI: ffff8ff0bac1bf70 RDI: ffffffff9aad9a70 # [ 96.029028] RBP: ffffffff9af1b680 R08: 0000000000000001 R09: 0000000000000001 # [ 96.036995] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 96.044963] R13: ffffa98a413f7f10 R14: ffffa98a413f7f10 R15: ffff8ff0465ad000 # [ 96.052931] FS: 00007f2532966580(0000) GS:ffff8ff0bac80000(0000) knlGS:0000000000000000 # [ 96.061967] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 96.068380] CR2: ffffffff9a4f7d72 CR3: 000000010677c006 CR4: 00000000003706e0 # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # [ 96.156971] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 96.163894] lkdtm: attempting good refcount_inc() without overflow # [ 96.177017] lkdtm: attempting bad refcount_inc() overflow # [ 96.189256] ------------[ cut here ]------------ # [ 96.194411] refcount_t: saturated; leaking memory. # [ 96.206004] WARNING: CPU: 1 PID: 2047 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 96.221512] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 96.254141] CPU: 1 PID: 2047 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 96.262794] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 96.275809] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 96.281549] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 7a 21 76 01 00 75 f2 48 c7 c7 c0 be e5 9a c6 05 6a 21 76 01[ 107.365442] lkdtm: Performing direct entry CFI_FORWARD_PROTO [ 107.373307] lkdtm: Calling matched prototype ... [ 107.378472] lkdtm: Calling mismatched prototype ... [ 107.383930] lkdtm: Fail: survived mismatched prototype function call! 01 e8 3d 0f 93 00 <0f> 0b c3 80 3d 5a 21 76 01 00 75 d3 48 c7 c7 e8 be e5 9a c6 05 4a # [ 96.308737] RSP: 0018:ffffa98a428c7e48 EFLAGS: 00010286 # [ 96.314572] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 # [ 96.328752] RDX: ffff8ff0bacac660 RSI: ffff8ff0bac9bf70 RDI: ffff8ff0bac9bf70 # [ 96.336728] RBP: ffffffff9aec04a5 R08: 0000000000000000 R09: 0000000000000000 # [ 96.350915] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 96.365102] R13: ffffa98a428c7f10 R14: ffffa98a428c7f10 R15: ffff8ff04677e000 # [ 96.379294] FS: 00007f0bb80bb580(0000) GS:ffff8ff0bac80000(0000) knlGS:0000000000000000 # [ 96.394542] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 96.407174] CR2: 00007f0bb7ed4000 CR3: 0000000106a56005 CR4: 00000000003706e0 # [ 96.421359] Call Trace: # [ 96.430304] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x94 # [ 96.441867] direct_entry.cold+0x2c/0x38 # [ 96.452463] full_proxy_write+0x56/0x80 # [ 96.462958] vfs_write+0xea/0x390 # [ 96.472873] ksys_write+0x68/0xe0 # [ 96.482787] do_syscall_64+0x33/0x40 # [ 96.492992] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 96.504845] RIP: 0033:0x7f0bb7fe3f33 # [ 96.515053] 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 # [ 96.542252] RSP: 002b:00007ffe03019428 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 96.556926] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f0bb7fe3f33 # [ 96.571110] RDX: 0000000000000016 RSI: 00007f0bb7ed4000 RDI: 0000000000000001 # [ 96.585301] RBP: 00007f0bb7ed4000 R08: 00007f0bb7ed3010 R09: 0000000000000000 # [ 96.599487] R10: 00007f0bb80de1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 96.613675] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 96.627866] irq event stamp: 0 # [ 96.637487] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 96.650710] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 96.666055] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 96.681411] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 96.694623] ---[ end trace 3f56960d4fcd6e2d ]--- # [ 96.705989] lkdtm: Overflow detected: saturated # REFCOUNT_INC_OVERFLOW: saw 'call trace:': ok ok 42 selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # [ 96.788637] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 96.798555] lkdtm: attempting good refcount_add() without overflow # [ 96.805490] lkdtm: attempting bad refcount_add() overflow # [ 96.811519] ------------[ cut here ]------------ # [ 96.816673] refcount_t: saturated; leaking memory. # [ 96.822048] WARNING: CPU: 3 PID: 2079 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 96.837578] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 96.864032] CPU: 3 PID: 2079 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 96.878890] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 96.885696] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 96.891433] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 7a 21 76 01 00 75 f2 48 c7 c7 c0 be e5 9a c6 05 6a 21 76 01 01 e8 3d 0f 93 00 <0f> 0b c3 80 3d 5a 21 76 01 00 75 d3 48 c7 c7 e8 be e5 9a c6 05 4a # [ 96.912412] RSP: 0018:ffffa98a42947e48 EFLAGS: 00010286 # [ 96.918250] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 96.932436] RDX: ffff8ff0badac660 RSI: ffff8ff0bad9bf70 RDI: ffff8ff0bad9bf70 # [ 96.946618] RBP: ffffffff9aec04bb R08: 0000000000000000 R09: 0000000000000000 # [ 96.954589] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 96.962558] R13: ffffa98a42947f10 R14: ffffa98a42947f10 R15: ffff8ff048d4e000 # [ 96.970526] FS: 00007fbe885c6580(0000) GS:ffff8ff0bad80000(0000) knlGS:0000000000000000 # [ 96.979559] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 96.986026] CR2: 00007fbe883df000 CR3: 0000000106942004 CR4: 00000000003706e0 # [ 96.994001] Call Trace: # [ 97.002940] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa3 # [ 97.008289] direct_entry.cold+0x2c/0x38 # [ 97.012667] full_proxy_write+0x56/0x80 # [ 97.016949] vfs_write+0xea/0x390 # [ 97.020648] ksys_write+0x68/0xe0 # [ 97.024346] do_syscall_64+0x33/0x40 # [ 97.028336] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 97.033975] RIP: 0033:0x7fbe884eef33 # [ 97.037963] 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 # [ 97.058942] RSP: 002b:00007ffd36bfc388 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 97.067396] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fbe884eef33 # [ 97.075356] RDX: 0000000000000016 RSI: 00007fbe883df000 RDI: 0000000000000001 # [ 97.083314] RBP: 00007fbe883df000 R08: 00007fbe883de010 R09: 0000000000000000 # [ 97.091283] R10: 00007fbe885e91c0 R11: 0000000000000246 R12: 0000000000000001 # [ 97.099250] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 97.107212] irq event stamp: 0 # [ 97.110618] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 97.117618] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 97.126753] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 97.135887] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 97.142885] ---[ end trace 3f56960d4fcd6e2e ]--- # [ 97.148039] 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 # [ 97.285124] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 97.297571] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 97.304492] ------------[ cut here ]------------ # [ 97.309660] refcount_t: saturated; leaking memory. # [ 97.321236] WARNING: CPU: 3 PID: 2111 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 # [ 97.336771] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 97.363230] CPU: 3 PID: 2111 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 97.378088] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 97.384919] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 97.390655] Code: 05 4a 21 76 01 01 e8 1e 0f 93 00 0f 0b c3 80 3d 3d 21 76 01 00 75 b4 48 c7 c7 c0 be e5 9a c6 05 2d 21 76 01 01 e8 ff 0e 93 00 <0f> 0b c3 80 3d 1b 21 76 01 00 75 95 48 c7 c7 18 bf e5 9a c6 05 0b # [ 97.411633] RSP: 0018:ffffa98a429b7e38 EFLAGS: 00010282 # [ 97.417466] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 97.425426] RDX: ffff8ff0badac660 RSI: ffff8ff0bad9bf70 RDI: ffff8ff0bad9bf70 # [ 97.433394] RBP: ffffffff9aec00f8 R08: 0000000000000000 R09: 0000000000000000 # [ 97.441354] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 97.449313] R13: ffffa98a429b7f10 R14: ffffa98a429b7f10 R15: ffff8ff0426bb000 # [ 97.457284] FS: 00007fcdd041f580(0000) GS:ffff8ff0bad80000(0000) knlGS:0000000000000000 # [ 97.466320] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 97.472728] CR2: 00007fcdd0238000 CR3: 0000000107c3e004 CR4: 00000000003706e0 # [ 97.480697] Call Trace: # [ 97.483425] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 97.489576] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x72 # [ 97.495817] direct_entry.cold+0x2c/0x38 # [ 97.500195] full_proxy_write+0x56/0x80 # [ 97.504477] vfs_write+0xea/0x390 # [ 97.508174] ksys_write+0x68/0xe0 # [ 97.511873] do_syscall_64+0x33/0x40 # [ 97.515863] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 97.521502] RIP: 0033:0x7fcdd0347f33 # [ 97.525490] 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 # [ 97.546469] RSP: 002b:00007ffe63071b08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 97.554924] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fcdd0347f33 # [ 97.562885] RDX: 000000000000001f RSI: 00007fcdd0238000 RDI: 0000000000000001 # [ 97.570854] RBP: 00007fcdd0238000 R08: 00007fcdd0237010 R09: 0000000000000000 # [ 97.578823] R10: 00007fcdd04421c0 R11: 0000000000000246 R12: 0000000000000001 # [ 97.586792] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 97.594765] irq event stamp: 0 # [ 97.604383] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 97.617602] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 97.632948] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 97.642083] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 97.649080] ---[ end trace 3f56960d4fcd6e2f ]--- # [ 97.654225] 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 # [ 97.734053] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 97.747700] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 97.754615] ------------[ cut here ]------------ # [ 97.759777] refcount_t: saturated; leaking memory. # [ 97.765153] WARNING: CPU: 3 PID: 2143 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 # [ 97.774491] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 97.807119] CPU: 3 PID: 2143 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 97.815769] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 97.822575] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 97.828311] Code: 05 4a 21 76 01 01 e8 1e 0f 93 00 0f 0b c3 80 3d 3d 21 76 01 00 75 b4 48 c7 c7 c0 be e5 9a c6 05 2d 21 76 01 01 e8 ff 0e 93 00 <0f> 0b c3 80 3d 1b 21 76 01 00 75 95 48 c7 c7 18 bf e5 9a c6 05 0b # [ 97.849290] RSP: 0018:ffffa98a42a1fe38 EFLAGS: 00010282 # [ 97.855125] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 97.863097] RDX: ffff8ff0badac660 RSI: ffff8ff0bad9bf70 RDI: ffff8ff0bad9bf70 # [ 97.871082] RBP: ffffffff9aec0118 R08: 0000000000000000 R09: 0000000000000000 # [ 97.879056] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 97.893241] R13: ffffa98a42a1ff10 R14: ffffa98a42a1ff10 R15: ffff8ff048b5f000 # [ 97.907423] FS: 00007f51093a5580(0000) GS:ffff8ff0bad80000(0000) knlGS:0000000000000000 # [ 97.916463] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 97.922878] CR2: 00007f51091be000 CR3: 0000000108892004 CR4: 00000000003706e0 # [ 97.930849] Call Trace: # [ 97.933579] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 97.939737] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x72 # [ 97.945983] direct_entry.cold+0x2c/0x38 # [ 97.950363] full_proxy_write+0x56/0x80 # [ 97.954643] vfs_write+0xea/0x390 # [ 97.958343] ksys_write+0x68/0xe0 # [ 97.962044] do_syscall_64+0x33/0x40 # [ 97.966036] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 97.971679] RIP: 0033:0x7f51092cdf33 # [ 97.981875] 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 # [ 98.002855] RSP: 002b:00007ffd482cae48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 98.011310] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f51092cdf33 # [ 98.019279] RDX: 000000000000001f RSI: 00007f51091be000 RDI: 0000000000000001 # [ 98.027249] RBP: 00007f51091be000 R08: 00007f51091bd010 R09: 0000000000000000 # [ 98.035218] R10: 00007f51093c81c0 R11: 0000000000000246 R12: 0000000000000001 # [ 98.043188] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 98.051159] irq event stamp: 0 # [ 98.054565] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 98.061566] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 98.070703] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 98.079837] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 98.086835] ---[ end trace 3f56960d4fcd6e30 ]--- # [ 98.091988] 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 # [ 98.182523] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 98.190450] lkdtm: attempting good refcount_dec() # [ 98.201913] lkdtm: attempting bad refcount_dec() to zero # [ 98.214061] ------------[ cut here ]------------ # [ 98.225428] refcount_t: decrement hit 0; leaking memory. # [ 98.237604] WARNING: CPU: 1 PID: 2175 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 # [ 98.253115] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 98.285771] CPU: 1 PID: 2175 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 98.300615] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 98.313635] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 # [ 98.319374] Code: ff 48 c7 c7 70 bf e5 9a c6 05 e6 20 76 01 01 e8 bd 0e 93 00 0f 0b c3 48 c7 c7 40 bf e5 9a c6 05 d1 20 76 01 01 e8 a7 0e 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 # [ 98.346561] RSP: 0018:ffffa98a42ad7e48 EFLAGS: 00010286 # [ 98.352399] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 98.366576] RDX: ffff8ff0bacac660 RSI: ffff8ff0bac9bf70 RDI: ffff8ff0bac9bf70 # [ 98.374547] RBP: ffffffff9aec04d1 R08: 0000000000000000 R09: 0000000000000000 # [ 98.388726] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 98.396695] R13: ffffa98a42ad7f10 R14: ffffa98a42ad7f10 R15: ffff8ff048893000 # [ 98.404666] FS: 00007f4dae0cf580(0000) GS:ffff8ff0bac80000(0000) knlGS:0000000000000000 # [ 98.413706] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 98.420125] CR2: 00007f4dadee8000 CR3: 0000000108b82003 CR4: 00000000003706e0 # [ 98.434303] Call Trace: # [ 98.437037] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xb9 # [ 98.448213] direct_entry.cold+0x2c/0x38 # [ 98.458809] full_proxy_write+0x56/0x80 # [ 98.469306] vfs_write+0xea/0x390 # [ 98.473032] ksys_write+0x68/0xe0 # [ 98.482939] do_syscall_64+0x33/0x40 # [ 98.486932] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 98.498781] RIP: 0033:0x7f4dadff7f33 # [ 98.508985] 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 # [ 98.536181] RSP: 002b:00007ffe5f19c938 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 98.550853] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f4dadff7f33 # [ 98.558824] RDX: 0000000000000012 RSI: 00007f4dadee8000 RDI: 0000000000000001 # [ 98.573020] RBP: 00007f4dadee8000 R08: 00007f4dadee7010 R09: 0000000000000000 # [ 98.580999] R10: 00007f4dae0f21c0 R11: 0000000000000246 R12: 0000000000000001 # [ 98.595179] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 98.603155] irq event stamp: 0 # [ 98.612769] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 98.619773] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 98.635119] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 98.644258] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 98.657468] ---[ end trace 3f56960d4fcd6e31 ]--- # [ 98.662625] 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 # [ 98.759987] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 98.767234] lkdtm: attempting bad refcount_dec() below zero # [ 98.773495] ------------[ cut here ]------------ # [ 98.784852] refcount_t: decrement hit 0; leaking memory. # [ 98.797026] WARNING: CPU: 3 PID: 2210 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 # [ 98.806367] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 98.839019] CPU: 3 PID: 2210 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 98.847683] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 98.860695] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 # [ 98.866433] Code: ff 48 c7 c7 70 bf e5 9a c6 05 e6 20 76 01 01 e8 bd 0e 93 00 0f 0b c3 48 c7 c7 40 bf e5 9a c6 05 d1 20 76 01 01 e8 a7 0e 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 # [ 98.887410] RSP: 0018:ffffa98a42b67e48 EFLAGS: 00010286 # [ 98.893234] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 98.901202] RDX: ffff8ff0badac660 RSI: ffff8ff0bad9bf70 RDI: ffff8ff0bad9bf70 # [ 98.909162] RBP: ffffffff9aec04e3 R08: 0000000000000000 R09: 0000000000000000 # [ 98.917130] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 98.925098] R13: ffffa98a42b67f10 R14: ffffa98a42b67f10 R15: ffff8ff048cd2000 # [ 98.933079] FS: 00007efc826d8580(0000) GS:ffff8ff0bad80000(0000) knlGS:0000000000000000 # [ 98.942115] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 98.948529] CR2: 00007efc824f1000 CR3: 0000000106704003 CR4: 00000000003706e0 # [ 98.956488] Call Trace: # [ 98.959208] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x5d # [ 98.964558] direct_entry.cold+0x2c/0x38 # [ 98.968936] full_proxy_write+0x56/0x80 # [ 98.973217] vfs_write+0xea/0x390 # [ 98.976915] ksys_write+0x68/0xe0 # [ 98.980613] do_syscall_64+0x33/0x40 # [ 98.984602] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 98.990242] RIP: 0033:0x7efc82600f33 # [ 98.994231] 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 # [ 99.015211] RSP: 002b:00007ffc4ffc14b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 99.023665] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007efc82600f33 # [ 99.031634] RDX: 0000000000000016 RSI: 00007efc824f1000 RDI: 0000000000000001 # [ 99.039603] RBP: 00007efc824f1000 R08: 00007efc824f0010 R09: 0000000000000000 # [ 99.047572] R10: 00007efc826fb1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 99.055545] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 99.069734] irq event stamp: 0 # [ 99.079353] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 99.086354] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 99.095489] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 99.104626] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 99.111629] ---[ end trace 3f56960d4fcd6e32 ]--- # [ 99.122992] 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 # [ 99.231300] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 99.241380] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 99.248509] ------------[ cut here ]------------ # [ 99.253687] refcount_t: underflow; use-after-free. # [ 99.259068] WARNING: CPU: 2 PID: 2245 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 99.268408] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 99.294848] CPU: 2 PID: 2245 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 99.303521] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 99.310328] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 99.316086] Code: 05 2d 21 76 01 01 e8 ff 0e 93 00 0f 0b c3 80 3d 1b 21 76 01 00 75 95 48 c7 c7 18 bf e5 9a c6 05 0b 21 76 01 01 e8 e0 0e 93 00 <0f> 0b c3 80 3d fa 20 76 01 00 0f 85 72 ff ff ff 48 c7 c7 70 bf e5 # [ 99.337070] RSP: 0018:ffffa98a42bc7e40 EFLAGS: 00010286 # [ 99.349121] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 99.357126] RDX: ffff8ff0bad2c660 RSI: ffff8ff0bad1bf70 RDI: ffff8ff0bad1bf70 # [ 99.365098] RBP: ffffffff9aec0138 R08: 0000000000000000 R09: 0000000000000000 # [ 99.373100] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 99.381085] R13: ffffa98a42bc7f10 R14: ffffa98a42bc7f10 R15: ffff8ff048234000 # [ 99.389071] FS: 00007f10d4a38580(0000) GS:ffff8ff0bad00000(0000) knlGS:0000000000000000 # [ 99.398143] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 99.404560] CR2: 00007f10d4851000 CR3: 0000000106760003 CR4: 00000000003706e0 # [ 99.412530] Call Trace: # [ 99.415263] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 99.421423] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x74 # [ 99.427680] direct_entry.cold+0x2c/0x38 # [ 99.432091] full_proxy_write+0x56/0x80 # [ 99.436401] vfs_write+0xea/0x390 # [ 99.440131] ksys_write+0x68/0xe0 # [ 99.443833] do_syscall_64+0x33/0x40 # [ 99.447846] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 99.453489] RIP: 0033:0x7f10d4960f33 # [ 99.457481] 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 # [ 99.478464] RSP: 002b:00007ffee4b79aa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 99.486925] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f10d4960f33 # [ 99.494896] RDX: 000000000000001f RSI: 00007f10d4851000 RDI: 0000000000000001 # [ 99.502868] RBP: 00007f10d4851000 R08: 00007f10d4850010 R09: 0000000000000000 # [ 99.510839] R10: 00007f10d4a5b1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 99.518810] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 99.526783] irq event stamp: 0 # [ 99.530216] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 99.537216] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 99.546356] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 99.555523] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 99.562524] ---[ end trace 3f56960d4fcd6e33 ]--- # [ 99.567679] 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 # [ 99.649784] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 99.661164] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 99.674480] ------------[ cut here ]------------ # [ 99.685848] refcount_t: underflow; use-after-free. # [ 99.697424] WARNING: CPU: 1 PID: 2280 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 99.712956] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 99.745614] CPU: 1 PID: 2280 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 99.760459] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 99.773479] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 99.785429] Code: 05 2d 21 76 01 01 e8 ff 0e 93 00 0f 0b c3 80 3d 1b 21 76 01 00 75 95 48 c7 c7 18 bf e5 9a c6 05 0b 21 76 01 01 e8 e0 0e 93 00 <0f> 0b c3 80 3d fa 20 76 01 00 0f 85 72 ff ff ff 48 c7 c7 70 bf e5 # [ 99.806411] RSP: 0018:ffffa98a42c6fe40 EFLAGS: 00010286 # [ 99.818453] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 99.826424] RDX: ffff8ff0bacac660 RSI: ffff8ff0bac9bf70 RDI: ffff8ff0bac9bf70 # [ 99.840600] RBP: ffffffff9aec0158 R08: 0000000000000000 R09: 0000000000000000 # [ 99.848570] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 99.856540] R13: ffffa98a42c6ff10 R14: ffffa98a42c6ff10 R15: ffff8ff0483ab000 # [ 99.864511] FS: 00007f4e4914c580(0000) GS:ffff8ff0bac80000(0000) knlGS:0000000000000000 # [ 99.873548] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 99.886174] CR2: 00007f4e48f65000 CR3: 0000000108bc4005 CR4: 00000000003706e0 # [ 99.894144] Call Trace: # [ 99.896876] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 99.909215] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x77 # [ 99.921653] direct_entry.cold+0x2c/0x38 # [ 99.932245] full_proxy_write+0x56/0x80 # [ 99.942741] vfs_write+0xea/0x390 # [ 99.952653] ksys_write+0x68/0xe0 # [ 99.956355] do_syscall_64+0x33/0x40 # [ 99.966556] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 99.978409] RIP: 0033:0x7f4e49074f33 # [ 99.988611] 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 # [ 100.015806] RSP: 002b:00007ffd3afc4208 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 100.024264] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f4e49074f33 # [ 100.038447] RDX: 000000000000001f RSI: 00007f4e48f65000 RDI: 0000000000000001 # [ 100.046422] RBP: 00007f4e48f65000 R08: 00007f4e48f64010 R09: 0000000000000000 # [ 100.060605] R10: 00007f4e4916f1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 100.068580] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 100.082763] irq event stamp: 0 # [ 100.092385] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 100.105605] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 100.120958] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 100.136309] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 100.143312] ---[ end trace 3f56960d4fcd6e34 ]--- # [ 100.154677] 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 # [ 100.253353] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 100.265579] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 100.278908] lkdtm: Good: zero detected # [ 100.289302] lkdtm: Correctly stayed at zero # [ 100.300191] lkdtm: attempting bad refcount_inc() from zero # [ 100.312579] ------------[ cut here ]------------ # [ 100.323923] refcount_t: addition on 0; use-after-free. # [ 100.335958] WARNING: CPU: 0 PID: 2312 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 # [ 100.351444] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 100.384084] CPU: 0 PID: 2312 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 100.398946] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 100.412008] RIP: 0010:refcount_warn_saturate+0x68/0xf0 # [ 100.423941] Code: 05 6a 21 76 01 01 e8 3d 0f 93 00 0f 0b c3 80 3d 5a 21 76 01 00 75 d3 48 c7 c7 e8 be e5 9a c6 05 4a 21 76 01 01 e8 1e 0f 93 00 <0f> 0b c3 80 3d 3d 21 76 01 00 75 b4 48 c7 c7 c0 be e5 9a c6 05 2d # [ 100.451196] RSP: 0018:ffffa98a42ce7e48 EFLAGS: 00010286 # [ 100.463205] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 100.477434] RDX: ffff8ff0bac2c660 RSI: ffff8ff0bac1bf70 RDI: ffff8ff0bac1bf70 # [ 100.491589] RBP: ffffffff9aec04f9 R08: 0000000000000000 R09: 0000000000000000 # [ 100.505818] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 100.519987] R13: ffffa98a42ce7f10 R14: ffffa98a42ce7f10 R15: ffff8ff0480f9000 # [ 100.534204] FS: 00007f03bb6ef580(0000) GS:ffff8ff0bac00000(0000) knlGS:0000000000000000 # [ 100.549448] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 100.562122] CR2: 00007f03bb508000 CR3: 00000001073d4006 CR4: 00000000003706f0 # [ 100.576330] Call Trace: # [ 100.585328] lkdtm_REFCOUNT_INC_ZERO+0x99/0xbd # [ 100.596477] direct_entry.cold+0x2c/0x38 # [ 100.607108] full_proxy_write+0x56/0x80 # [ 100.617591] vfs_write+0xea/0x390 # [ 100.627533] ksys_write+0x68/0xe0 # [ 100.637439] do_syscall_64+0x33/0x40 # [ 100.647670] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 100.659525] RIP: 0033:0x7f03bb617f33 # [ 100.669761] 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 # [ 100.696944] RSP: 002b:00007ffee6759428 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 100.711661] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f03bb617f33 # [ 100.725831] RDX: 0000000000000012 RSI: 00007f03bb508000 RDI: 0000000000000001 # [ 100.740080] RBP: 00007f03bb508000 R08: 00007f03bb507010 R09: 0000000000000000 # [ 100.754230] R10: 00007f03bb7121c0 R11: 0000000000000246 R12: 0000000000000001 # [ 100.768477] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 100.782623] irq event stamp: 0 # [ 100.792281] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 100.805489] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 100.820859] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 100.836220] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 100.849426] ---[ end trace 3f56960d4fcd6e35 ]--- # [ 100.860829] 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 # [ 100.992132] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 101.002331] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 101.009440] lkdtm: Good: zero detected # [ 101.013632] lkdtm: Correctly stayed at zero # [ 101.018301] lkdtm: attempting bad refcount_add() from zero # [ 101.024425] ------------[ cut here ]------------ # [ 101.029580] refcount_t: addition on 0; use-after-free. # [ 101.035343] WARNING: CPU: 3 PID: 2344 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 # [ 101.044682] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 101.077314] CPU: 3 PID: 2344 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 101.085965] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 101.092772] RIP: 0010:refcount_warn_saturate+0x68/0xf0 # [ 101.098510] Code: 05 6a 21 76 01 01 e8 3d 0f 93 00 0f 0b c3 80 3d 5a 21 76 01 00 75 d3 48 c7 c7 e8 be e5 9a c6 05 4a 21 76 01 01 e8 1e 0f 93 00 <0f> 0b c3 80 3d 3d 21 76 01 00 75 b4 48 c7 c7 c0 be e5 9a c6 05 2d # [ 101.119493] RSP: 0018:ffffa98a42d57e48 EFLAGS: 00010286 # [ 101.125331] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 101.139518] RDX: ffff8ff0badac660 RSI: ffff8ff0bad9bf70 RDI: ffff8ff0bad9bf70 # [ 101.153704] RBP: ffffffff9aec050b R08: 0000000000000000 R09: 0000000000000000 # [ 101.167892] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 101.175864] R13: ffffa98a42d57f10 R14: ffffa98a42d57f10 R15: ffff8ff04824c000 # [ 101.183837] FS: 00007f135a7c7580(0000) GS:ffff8ff0bad80000(0000) knlGS:0000000000000000 # [ 101.192878] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 101.199295] CR2: 00007f135a5e0000 CR3: 0000000108ae2006 CR4: 00000000003706e0 # [ 101.207271] Call Trace: # [ 101.210043] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xbd # [ 101.221207] direct_entry.cold+0x2c/0x38 # [ 101.225590] full_proxy_write+0x56/0x80 # [ 101.229897] vfs_write+0xea/0x390 # [ 101.233597] ksys_write+0x68/0xe0 # [ 101.237299] do_syscall_64+0x33/0x40 # [ 101.241290] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 101.246932] RIP: 0033:0x7f135a6eff33 # [ 101.250923] 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 # [ 101.271910] RSP: 002b:00007ffdf08841b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 101.280368] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f135a6eff33 # [ 101.288340] RDX: 0000000000000012 RSI: 00007f135a5e0000 RDI: 0000000000000001 # [ 101.296310] RBP: 00007f135a5e0000 R08: 00007f135a5df010 R09: 0000000000000000 # [ 101.304274] R10: 00007f135a7ea1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 101.312245] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 101.320219] irq event stamp: 0 # [ 101.323627] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 101.330629] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 101.339765] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 101.348902] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 101.355903] ---[ end trace 3f56960d4fcd6e36 ]--- # [ 101.361072] 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 # [ 101.483452] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 101.490786] lkdtm: attempting bad refcount_inc() from saturated # [ 101.503619] ------------[ cut here ]------------ # [ 101.514986] refcount_t: saturated; leaking memory. # [ 101.526587] WARNING: CPU: 0 PID: 2379 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 101.542221] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 101.574791] CPU: 0 PID: 2379 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 101.589708] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 101.602685] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 101.614654] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 7a 21 76 01 00 75 f2 48 c7 c7 c0 be e5 9a c6 05 6a 21 76 01 01 e8 3d 0f 93 00 <0f> 0b c3 80 3d 5a 21 76 01 00 75 d3 48 c7 c7 e8 be e5 9a c6 05 4a # [ 101.641826] RSP: 0018:ffffa98a42e07e48 EFLAGS: 00010286 # [ 101.653893] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 101.668061] RDX: ffff8ff0bac2c660 RSI: ffff8ff0bac1bf70 RDI: ffff8ff0bac1bf70 # [ 101.682261] RBP: ffffffff9aec051d R08: 0000000000000000 R09: 0000000000000000 # [ 101.696430] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 101.710635] R13: ffffa98a42e07f10 R14: ffffa98a42e07f10 R15: ffff8ff048afb000 # [ 101.724806] FS: 00007f5fbace3580(0000) GS:ffff8ff0bac00000(0000) knlGS:0000000000000000 # [ 101.740063] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 101.752689] CR2: 00007f5fbaafc000 CR3: 00000001073d4005 CR4: 00000000003706f0 # [ 101.766896] Call Trace: # [ 101.775835] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x60 # [ 101.787511] direct_entry.cold+0x2c/0x38 # [ 101.798091] full_proxy_write+0x56/0x80 # [ 101.808608] vfs_write+0xea/0x390 # [ 101.818505] ksys_write+0x68/0xe0 # [ 101.828432] do_syscall_64+0x33/0x40 # [ 101.838625] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 101.850492] RIP: 0033:0x7f5fbac0bf33 # [ 101.860682] 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 # [ 101.887899] RSP: 002b:00007ffd594207a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 101.902548] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f5fbac0bf33 # [ 101.916743] RDX: 0000000000000017 RSI: 00007f5fbaafc000 RDI: 0000000000000001 # [ 101.930914] RBP: 00007f5fbaafc000 R08: 00007f5fbaafb010 R09: 0000000000000000 # [ 101.945119] R10: 00007f5fbad061c0 R11: 0000000000000246 R12: 0000000000000001 # [ 101.959287] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 101.973495] irq event stamp: 0 # [ 101.983100] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 101.996325] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 102.011686] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 102.027062] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 102.040291] ---[ end trace 3f56960d4fcd6e37 ]--- # [ 102.051668] 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 # [ 102.154268] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 102.163734] lkdtm: attempting bad refcount_dec() from saturated # [ 102.170372] ------------[ cut here ]------------ # [ 102.175559] refcount_t: decrement hit 0; leaking memory. # [ 102.181533] WARNING: CPU: 2 PID: 2414 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 # [ 102.190876] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 102.223510] CPU: 2 PID: 2414 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 102.232190] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 102.238998] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 # [ 102.244735] Code: ff 48 c7 c7 70 bf e5 9a c6 05 e6 20 76 01 01 e8 bd 0e 93 00 0f 0b c3 48 c7 c7 40 bf e5 9a c6 05 d1 20 76 01 01 e8 a7 0e 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 # [ 102.265718] RSP: 0018:ffffa98a42ea7e48 EFLAGS: 00010286 # [ 102.271551] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 102.279521] RDX: ffff8ff0bad2c660 RSI: ffff8ff0bad1bf70 RDI: ffff8ff0bad1bf70 # [ 102.287491] RBP: ffffffff9aec0534 R08: 0000000000000000 R09: 0000000000000000 # [ 102.295460] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 102.303431] R13: ffffa98a42ea7f10 R14: ffffa98a42ea7f10 R15: ffff8ff048beb000 # [ 102.311400] FS: 00007f91cba77580(0000) GS:ffff8ff0bad00000(0000) knlGS:0000000000000000 # [ 102.320437] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 102.326859] CR2: 00007f91cb890000 CR3: 00000001029e8006 CR4: 00000000003706e0 # [ 102.341050] Call Trace: # [ 102.343783] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5b # [ 102.355449] direct_entry.cold+0x2c/0x38 # [ 102.366040] full_proxy_write+0x56/0x80 # [ 102.376534] vfs_write+0xea/0x390 # [ 102.380255] ksys_write+0x68/0xe0 # [ 102.383956] do_syscall_64+0x33/0x40 # [ 102.387972] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 102.393614] RIP: 0033:0x7f91cb99ff33 # [ 102.397604] 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 # [ 102.418591] RSP: 002b:00007ffe25e0f0b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 102.427094] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f91cb99ff33 # [ 102.435090] RDX: 0000000000000017 RSI: 00007f91cb890000 RDI: 0000000000000001 # [ 102.443062] RBP: 00007f91cb890000 R08: 00007f91cb88f010 R09: 0000000000000000 # [ 102.451089] R10: 00007f91cba9a1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 102.459059] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 102.467054] irq event stamp: 0 # [ 102.470467] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 102.477467] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 102.486628] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 102.495764] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 102.502762] ---[ end trace 3f56960d4fcd6e38 ]--- # [ 102.507917] 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 # [ 102.744464] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 102.753268] lkdtm: attempting bad refcount_dec() from saturated # [ 102.766093] ------------[ cut here ]------------ # [ 102.777461] refcount_t: saturated; leaking memory. # [ 102.789053] WARNING: CPU: 1 PID: 2449 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 102.804589] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 102.837231] CPU: 1 PID: 2449 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 102.852094] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 102.865112] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 102.877065] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 7a 21 76 01 00 75 f2 48 c7 c7 c0 be e5 9a c6 05 6a 21 76 01 01 e8 3d 0f 93 00 <0f> 0b c3 80 3d 5a 21 76 01 00 75 d3 48 c7 c7 e8 be e5 9a c6 05 4a # [ 102.904260] RSP: 0018:ffffa98a42f37e48 EFLAGS: 00010286 # [ 102.910094] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 102.924278] RDX: ffff8ff0bacac660 RSI: ffff8ff0bac9bf70 RDI: ffff8ff0bac9bf70 # [ 102.938463] RBP: ffffffff9aec054b R08: 0000000000000000 R09: 0000000000000000 # [ 102.952649] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 102.966834] R13: ffffa98a42f37f10 R14: ffffa98a42f37f10 R15: ffff8ff048bc4000 # [ 102.981033] FS: 00007f363a404580(0000) GS:ffff8ff0bac80000(0000) knlGS:0000000000000000 # [ 102.996286] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 103.008919] CR2: 00007f363a21d000 CR3: 00000001027c2001 CR4: 00000000003706e0 # [ 103.023106] Call Trace: # [ 103.032055] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x60 # [ 103.043715] direct_entry.cold+0x2c/0x38 # [ 103.054310] full_proxy_write+0x56/0x80 # [ 103.064803] vfs_write+0xea/0x390 # [ 103.074716] ksys_write+0x68/0xe0 # [ 103.084630] do_syscall_64+0x33/0x40 # [ 103.094837] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 103.106694] RIP: 0033:0x7f363a32cf33 # [ 103.116902] 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 # [ 103.144102] RSP: 002b:00007ffe70241528 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 103.158775] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f363a32cf33 # [ 103.172962] RDX: 0000000000000017 RSI: 00007f363a21d000 RDI: 0000000000000001 # [ 103.187148] RBP: 00007f363a21d000 R08: 00007f363a21c010 R09: 0000000000000000 # [ 103.195118] R10: 00007f363a4271c0 R11: 0000000000000246 R12: 0000000000000001 # [ 103.209301] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 103.223490] irq event stamp: 0 # [ 103.233111] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 103.246329] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 103.261681] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 103.277035] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 103.290251] ---[ end trace 3f56960d4fcd6e39 ]--- # [ 103.301623] 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 # [ 103.410981] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 103.420879] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 103.434583] ------------[ cut here ]------------ # [ 103.445941] refcount_t: saturated; leaking memory. # [ 103.457548] WARNING: CPU: 0 PID: 2481 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 # [ 103.473057] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 103.505710] CPU: 0 PID: 2481 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 103.520560] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 103.527395] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 103.539299] Code: 05 4a 21 76 01 01 e8 1e 0f 93 00 0f 0b c3 80 3d 3d 21 76 01 00 75 b4 48 c7 c7 c0 be e5 9a c6 05 2d 21 76 01 01 e8 ff 0e 93 00 <0f> 0b c3 80 3d 1b 21 76 01 00 75 95 48 c7 c7 18 bf e5 9a c6 05 0b # [ 103.566533] RSP: 0018:ffffa98a42fc7e38 EFLAGS: 00010282 # [ 103.578545] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 103.586544] RDX: ffff8ff0bac2c660 RSI: ffff8ff0bac1bf70 RDI: ffff8ff0bac1bf70 # [ 103.600737] RBP: ffffffff9aec0178 R08: 0000000000000000 R09: 0000000000000000 # [ 103.614910] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 103.622918] R13: ffffa98a42fc7f10 R14: ffffa98a42fc7f10 R15: ffff8ff048d4c000 # [ 103.637083] FS: 00007fce13bd4580(0000) GS:ffff8ff0bac00000(0000) knlGS:0000000000000000 # [ 103.652339] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 103.658795] CR2: 00007fce139ed000 CR3: 0000000108c58002 CR4: 00000000003706f0 # [ 103.672940] Call Trace: # [ 103.675696] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 103.688042] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x72 # [ 103.700584] direct_entry.cold+0x2c/0x38 # [ 103.711225] full_proxy_write+0x56/0x80 # [ 103.721681] vfs_write+0xea/0x390 # [ 103.731625] ksys_write+0x68/0xe0 # [ 103.741545] do_syscall_64+0x33/0x40 # [ 103.751780] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 103.763588] RIP: 0033:0x7fce13afcf33 # [ 103.773800] 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 # [ 103.800996] RSP: 002b:00007fff8bbf1df8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 103.815675] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fce13afcf33 # [ 103.829851] RDX: 0000000000000020 RSI: 00007fce139ed000 RDI: 0000000000000001 # [ 103.844111] RBP: 00007fce139ed000 R08: 00007fce139ec010 R09: 0000000000000000 # [ 103.858240] R10: 00007fce13bf71c0 R11: 0000000000000246 R12: 0000000000000001 # [ 103.872435] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 103.886622] irq event stamp: 0 # [ 103.896255] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 103.909468] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 103.924819] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 103.940173] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 103.953399] ---[ end trace 3f56960d4fcd6e3a ]--- # [ 103.964765] 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 # [ 104.096531] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 104.109179] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 104.122894] ------------[ cut here ]------------ # [ 104.134266] refcount_t: saturated; leaking memory. # [ 104.145871] WARNING: CPU: 0 PID: 2513 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 # [ 104.161403] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 104.194046] CPU: 0 PID: 2513 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 104.208896] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 104.215742] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 104.227648] Code: 05 4a 21 76 01 01 e8 1e 0f 93 00 0f 0b c3 80 3d 3d 21 76 01 00 75 b4 48 c7 c7 c0 be e5 9a c6 05 2d 21 76 01 01 e8 ff 0e 93 00 <0f> 0b c3 80 3d 1b 21 76 01 00 75 95 48 c7 c7 18 bf e5 9a c6 05 0b # [ 104.254890] RSP: 0018:ffffa98a43047e38 EFLAGS: 00010282 # [ 104.266928] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 104.274922] RDX: ffff8ff0bac2c660 RSI: ffff8ff0bac1bf70 RDI: ffff8ff0bac1bf70 # [ 104.289138] RBP: ffffffff9aec0198 R08: 0000000000000000 R09: 0000000000000000 # [ 104.303303] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 104.317517] R13: ffffa98a43047f10 R14: ffffa98a43047f10 R15: ffff8ff048341000 # [ 104.331689] FS: 00007ff10327b580(0000) GS:ffff8ff0bac00000(0000) knlGS:0000000000000000 # [ 104.346985] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 104.359582] CR2: 00007ff103094000 CR3: 0000000108b36003 CR4: 00000000003706f0 # [ 104.373778] Call Trace: # [ 104.382752] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 104.395098] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x72 # [ 104.407622] direct_entry.cold+0x2c/0x38 # [ 104.418215] full_proxy_write+0x56/0x80 # [ 104.428715] vfs_write+0xea/0x390 # [ 104.438630] ksys_write+0x68/0xe0 # [ 104.448571] do_syscall_64+0x33/0x40 # [ 104.458778] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 104.470653] RIP: 0033:0x7ff1031a3f33 # [ 104.480861] 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 # [ 104.508079] RSP: 002b:00007fffdbdaf5f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 104.522778] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007ff1031a3f33 # [ 104.536939] RDX: 0000000000000020 RSI: 00007ff103094000 RDI: 0000000000000001 # [ 104.551119] RBP: 00007ff103094000 R08: 00007ff103093010 R09: 0000000000000000 # [ 104.565304] R10: 00007ff10329e1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 104.579483] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 104.593676] irq event stamp: 0 # [ 104.603295] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 104.616520] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 104.631863] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 104.647223] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 104.660439] ---[ end trace 3f56960d4fcd6e3b ]--- # [ 104.671820] 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 # [ 104.785101] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 104.797226] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 104.810947] ------------[ cut here ]------------ # [ 104.822319] refcount_t: underflow; use-after-free. # [ 104.833894] WARNING: CPU: 0 PID: 2548 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 104.849396] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 104.882074] CPU: 0 PID: 2548 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 104.896948] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 104.909978] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 104.921918] Code: 05 2d 21 76 01 01 e8 ff 0e 93 00 0f 0b c3 80 3d 1b 21 76 01 00 75 95 48 c7 c7 18 bf e5 9a c6 05 0b 21 76 01 01 e8 e0 0e 93 00 <0f> 0b c3 80 3d fa 20 76 01 00 0f 85 72 ff ff ff 48 c7 c7 70 bf e5 # [ 104.949160] RSP: 0018:ffffa98a430efe40 EFLAGS: 00010286 # [ 104.961201] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 104.975417] RDX: ffff8ff0bac2c660 RSI: ffff8ff0bac1bf70 RDI: ffff8ff0bac1bf70 # [ 104.989638] RBP: ffffffff9aec01b8 R08: 0000000000000000 R09: 0000000000000000 # [ 105.003800] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 105.018024] R13: ffffa98a430eff10 R14: ffffa98a430eff10 R15: ffff8ff048c45000 # [ 105.032193] FS: 00007feb62229580(0000) GS:ffff8ff0bac00000(0000) knlGS:0000000000000000 # [ 105.047519] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 105.060097] CR2: 00007feb62042000 CR3: 0000000108c34001 CR4: 00000000003706f0 # [ 105.074281] Call Trace: # [ 105.083249] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 105.095578] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x72 # [ 105.108146] direct_entry.cold+0x2c/0x38 # [ 105.118745] full_proxy_write+0x56/0x80 # [ 105.129235] vfs_write+0xea/0x390 # [ 105.139153] ksys_write+0x68/0xe0 # [ 105.149096] do_syscall_64+0x33/0x40 # [ 105.159278] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 105.171143] RIP: 0033:0x7feb62151f33 # [ 105.181354] 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 # [ 105.208562] RSP: 002b:00007ffe25e76728 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 105.223235] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007feb62151f33 # [ 105.237426] RDX: 0000000000000020 RSI: 00007feb62042000 RDI: 0000000000000001 # [ 105.251620] RBP: 00007feb62042000 R08: 00007feb62041010 R09: 0000000000000000 # [ 105.265812] R10: 00007feb6224c1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 105.280024] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 105.294223] irq event stamp: 0 # [ 105.303826] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 105.317057] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 105.332405] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 105.347749] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 105.360981] ---[ end trace 3f56960d4fcd6e3c ]--- # [ 105.372349] 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 # [ 105.476207] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 105.485288] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 105.492781] ------------[ cut here ]------------ # [ 105.497938] refcount_t: underflow; use-after-free. # [ 105.503297] WARNING: CPU: 2 PID: 2583 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 105.512635] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 105.539101] CPU: 2 PID: 2583 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 105.547752] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 105.554550] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 105.560290] Code: 05 2d 21 76 01 01 e8 ff 0e 93 00 0f 0b c3 80 3d 1b 21 76 01 00 75 95 48 c7 c7 18 bf e5 9a c6 05 0b 21 76 01 01 e8 e0 0e 93 00 <0f> 0b c3 80 3d fa 20 76 01 00 0f 85 72 ff ff ff 48 c7 c7 70 bf e5 # [ 105.581280] RSP: 0018:ffffa98a431a7e40 EFLAGS: 00010286 # [ 105.587116] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 105.595083] RDX: ffff8ff0bad2c660 RSI: ffff8ff0bad1bf70 RDI: ffff8ff0bad1bf70 # [ 105.603056] RBP: ffffffff9aec01d8 R08: 0000000000000000 R09: 0000000000000000 # [ 105.611050] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 105.619033] R13: ffffa98a431a7f10 R14: ffffa98a431a7f10 R15: ffff8ff048ced000 # [ 105.627006] FS: 00007fc7f4c67580(0000) GS:ffff8ff0bad00000(0000) knlGS:0000000000000000 # [ 105.642259] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 105.648679] CR2: 00007fc7f4a80000 CR3: 000000010680e006 CR4: 00000000003706e0 # [ 105.662868] Call Trace: # [ 105.671816] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 105.684157] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x72 # [ 105.696696] direct_entry.cold+0x2c/0x38 # [ 105.701101] full_proxy_write+0x56/0x80 # [ 105.705384] vfs_write+0xea/0x390 # [ 105.709084] ksys_write+0x68/0xe0 # [ 105.712783] do_syscall_64+0x33/0x40 # [ 105.716775] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 105.722417] RIP: 0033:0x7fc7f4b8ff33 # [ 105.726414] 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 # [ 105.747433] RSP: 002b:00007ffd9c7a73b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 105.762097] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fc7f4b8ff33 # [ 105.770081] RDX: 0000000000000020 RSI: 00007fc7f4a80000 RDI: 0000000000000001 # [ 105.778054] RBP: 00007fc7f4a80000 R08: 00007fc7f4a7f010 R09: 0000000000000000 # [ 105.786046] R10: 00007fc7f4c8a1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 105.794031] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 105.802006] irq event stamp: 0 # [ 105.811624] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 105.818617] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 105.827756] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 105.836893] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 105.843884] ---[ end trace 3f56960d4fcd6e3d ]--- # [ 105.849040] 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 # [ 106.006143] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 106.017002] lkdtm: attempting good copy_to_user of correct size # [ 106.023621] 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 # [ 106.126134] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 106.136683] lkdtm: attempting good copy_from_user of correct size # [ 106.143529] 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 # [ 106.233260] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 106.244678] lkdtm: attempting good copy_to_user inside whitelist # [ 106.257642] 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 # [ 106.349395] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 106.358713] lkdtm: attempting good copy_from_user inside whitelist # [ 106.371858] 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 # [ 106.463423] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 106.472695] lkdtm: good_stack: ffffa98a43557e20-ffffa98a43557e40 # [ 106.479439] lkdtm: bad_stack : ffffa98a43557da8-ffffa98a43557dc8 # [ 106.486206] lkdtm: attempting good copy_to_user of local stack # [ 106.498912] 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 # [ 106.581812] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 106.593475] lkdtm: good_stack: ffffa98a43557e20-ffffa98a43557e40 # [ 106.600192] lkdtm: bad_stack : ffffa98a43557da8-ffffa98a43557dc8 # [ 106.606929] lkdtm: attempting good copy_from_user of local stack # [ 106.613653] 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 # [ 106.704082] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 106.714217] lkdtm: good_stack: ffffa98a43677e20-ffffa98a43677e40 # [ 106.720928] lkdtm: bad_stack : ffffa98a43677ff8-ffffa98a43678018 # [ 106.727663] lkdtm: attempting good copy_to_user of local stack # [ 106.734194] lkdtm: attempting bad copy_to_user of distant stack # [ 106.747042] 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 # [ 106.849043] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 106.858536] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff9aad9f10 # [ 106.873427] lkdtm: attempting bad copy_to_user from kernel text: ffffffff998d10e0 # [ 106.887985] 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 # [ 106.979550] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 106.986867] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 107.000961] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 107.014946] lkdtm: FAIL: the thread stack is NOT properly erased # [ 107.021659] CPU: 1 PID: 2948 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 107.036520] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 107.043326] Call Trace: # [ 107.046071] dump_stack+0x77/0x97 # [ 107.055992] lkdtm_STACKLEAK_ERASING+0x116/0x140 # [ 107.061148] direct_entry.cold+0x2c/0x38 # [ 107.065518] full_proxy_write+0x56/0x80 # [ 107.069801] vfs_write+0xea/0x390 # [ 107.079713] ksys_write+0x68/0xe0 # [ 107.083412] do_syscall_64+0x33/0x40 # [ 107.087401] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 107.093042] RIP: 0033:0x7fb4cd56df33 # [ 107.097029] 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 # [ 107.118028] RSP: 002b:00007fff4d3c7888 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 107.126485] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fb4cd56df33 # [ 107.134454] RDX: 0000000000000012 RSI: 00007fb4cd45e000 RDI: 0000000000000001 # [ 107.142424] RBP: 00007fb4cd45e000 R08: 00007fb4cd45d010 R09: 0000000000000000 # [ 107.150393] R10: 00007fb4cd6681c0 R11: 0000000000000246 R12: 0000000000000001 # [ 107.158364] 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 # [ 107.365442] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 107.373307] lkdtm: Calling matched prototype ... # [ 107.378472] lkdtm: Calling mismatched prototype ... # [ 107.383930] 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 / #