[Enter `^Ec?' for help] coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_B:0.5.5/cr50_v1.9308_87_mp.479-d7921eab Initialized TPM device CR50 revision 0 tlcl_send_startup: Startup return code is 0 TPM: setup succeeded src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0 Chrome EC: UHEPI supported Phase 1 FMAP: Found \"FLASH\" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x0 / 0x0 Phase 2 Phase 3 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_report_dev_firmware() This is developer signed firmware FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) VB2:vb2_verify_keyblock() Checking key block signature... FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) VB2:vb2_verify_fw_preamble() Verifying preamble. Phase 4 FMAP: area FW_MAIN_B found @ 5f8000 (4030400 bytes) VB2:vb2api_init_hash() HW crypto for hash_alg 2 not supported, using SW VB2:vb2_rsa_verify_digest() Digest check failed! VB2:vb2_fail() Need recovery, reason: 0x1b / 0x7 Saving nvdata Reboot requested (10020007) board_reset() called! full_reset() called! coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_B:0.5.5/cr50_v1.9308_87_mp.479-d7921eab Initialized TPM device CR50 revision 0 tlcl_send_startup: Startup return code is 0 TPM: setup succeeded src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0 Chrome EC: UHEPI supported Phase 1 FMAP: Found \"FLASH\" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x1b / 0x7 VB2:vb2_check_recovery() We have a recovery request: 0x1b / 0x0 Recovery requested (1009000e) Saving nvdata tlcl_extend: response is 0 tlcl_extend: response is 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/romstage' CBFS: Found @ offset 80 size 10ffc coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 romstage starting... pm1_sts: 0100 pm1_en: 0000 pm1_cnt: 00001c00 gpe0_sts[0]: 00000000 gpe0_en[0]: 00000000 gpe0_sts[1]: 00000000 gpe0_en[1]: 00000000 gpe0_sts[2]: 00000001 gpe0_en[2]: 00000000 gpe0_sts[3]: 00000000 gpe0_en[3]: 00010000 TCO_STS: 0000 0000 GEN_PMCON: e0040200 0000523a GBLRST_CAUSE: 00000000 00000000 prev_sleep_state 5 Boot Count incremented to 30684 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fspm.bin' CBFS: Found @ offset 103fc0 size 63000 Chrome EC: UHEPI supported FMAP: Found \"FLASH\" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RECOVERY_MRC_CACHE found @ 9d0000 (65536 bytes) Probing TPM: done! Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_B:0.5.5/cr50_v1.9308_87_mp.479-d7921eab Initialized TPM device CR50 revision 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: Hash comparison successful. Using data from RECOVERY_MRC_CACHE MRC cache found, size 1868 bootmode is set to :2 SPD index 1 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'spd.bin' CBFS: Found @ offset 1a0240 size 800 SPD: module type is LPDDR3 SPD: module part is K4E8E324EB-EGCF SPD: banks 8, ranks 1, rows 15, columns 10, density 8192 Mb SPD: device width 32 bits, bus width 64 bits SPD: module size is 2048 MB (per channel) CBMEM: IMD: root @ 7afff000 254 entries. IMD: root @ 7affec00 62 entries. External stage cache: IMD: root @ 7b3ff000 254 entries. IMD: root @ 7b3fec00 62 entries. creating vboot_handoff structure Chrome EC: clear events_b mask to 0x0000000021004000 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 tlcl_write: response is 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: TPM MRC hash updated successfully. 2 DIMMs found top_of_ram = 0x7b000000 MTRR Range: Start=7a000000 End=7b000000 (Size 1000000) MTRR Range: Start=7b000000 End=7b800000 (Size 800000) MTRR Range: Start=ff000000 End=0 (Size 1000000) CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/postcar' CBFS: Found @ offset 197000 size 3f04 Decompressing stage fallback/postcar @ 0x7abd0fc0 (32720 bytes) Loading module at 7abd1000 with entry 7abd1000. filesize: 0x3cd0 memsize: 0x7f90 Processing 118 relocs. Offset value of 0x78bd1000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 postcar starting... CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/ramstage' CBFS: Found @ offset e8d80 size 1a462 Decompressing stage fallback/ramstage @ 0x7ab05fc0 (826808 bytes) Loading module at 7ab06000 with entry 7ab06000. filesize: 0x38d90 memsize: 0xc9d78 Processing 3657 relocs. Offset value of 0x79d06000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 ramstage starting... FMAP: Found \"FLASH\" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RO_VPD found @ c00000 (16384 bytes) WARNING: RO_VPD is uninitialized or empty. FMAP: area RW_VPD found @ 9f8000 (8192 bytes) WARNING: RW_VPD is uninitialized or empty. Normal boot. BS: BS_PRE_DEVICE times (us): entry 0 run 30 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'cpu_microcode_blob.bin' CBFS: Found @ offset 11100 size d7c00 microcode: sig=0x806e9 pf=0x10 revision=0x97 Skip microcode update CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fsps.bin' CBFS: Found @ offset 167fc0 size 2f000 Detected 2 core, 4 thread CPU. Setting up SMI for CPU IED base = 0x7b400000 IED size = 0x00400000 Will perform SMM setup. CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz. Loading module at 00030000 with entry 00030000. filesize: 0x170 memsize: 0x170 Processing 16 relocs. Offset value of 0x00030000 Attempting to start 3 APs Waiting for 10ms after sending INIT. Waiting for 1st SIPI to complete...done. AP: slot 3 apic_id 2. AP: slot 2 apic_id 3. AP: slot 1 apic_id 1. Waiting for 2nd SIPI to complete...done. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab21603(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010a19. filesize: 0x3b08 memsize: 0x8bc0 Processing 243 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd SMM Module: stub loaded at 7b008000. Will call 7b010a19(00000000) Clearing SMI status registers SMI_STS: PM1 PM1_STS: PWRBTN TCO_STS: BOOT SECOND_TO New SMBASE 0x7b000000 In relocation handler: CPU 0 New SMBASE=0x7b000000 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afffc00 In relocation handler: CPU 1 New SMBASE=0x7afffc00 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff400 In relocation handler: CPU 3 New SMBASE=0x7afff400 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff800 In relocation handler: CPU 2 New SMBASE=0x7afff800 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. Initializing CPU #0 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC... apic_id: 0x00 done. Turbo is available but hidden Turbo has been enabled SGX : param.enable = 0 Skip microcode update CPU #0 initialized Initializing CPU #1 Initializing CPU #3 Initializing CPU #2 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...Setting up local APIC... apic_id: 0x03 done. apic_id: 0x02 done. Skip microcode update Skip microcode update CPU #2 initialized CPU #3 initialized apic_id: 0x01 done. Skip microcode update CPU #1 initialized bsp_do_flight_plan done after 226 msecs. CPU: frequency set to 3400 MHz Enabling SMIs. Locking SMM. VMX : param.enable = 1 VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked VMX status: enabled, unlocked SGX: pre-conditions not met SGX: pre-conditions not met CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'vbt.bin' CBFS: Found @ offset 103a00 size 48e Found a VBT of 4608 bytes after decompression psys_pmax = 360 FMAP: area GBB found @ c11000 (978944 bytes) ITSS IRQ Polarities Before: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 ITSS IRQ Polarities After: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 Override DT after FSP-S, PCH is KBL/SKL PCH-LP SKU BS: BS_DEV_INIT_CHIPS times (us): entry 376235 run 167797 exit 0 Enumerating buses... Show all devs... Before device enumeration. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 00:5c: enabled 1 I2C: 00:15: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 APIC: 02: enabled 1 Compare with tree... Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 APIC: 00: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 APIC: 02: enabled 1 DOMAIN: 0000: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 USB0 port 0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 I2C: 00:5c: enabled 1 PCI: 00:15.1: enabled 1 I2C: 00:15: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 SPI: 00: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PNP: 0c09.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 Root Device scanning... root_dev_scan_bus for Root Device CPU_CLUSTER: 0 enabled DOMAIN: 0000 enabled DOMAIN: 0000 scanning... PCI: pci_scan_bus for bus 00 PCI: 00:00.0 [8086/0000] ops PCI: 00:00.0 [8086/590c] enabled PCI: 00:02.0 [8086/0000] ops PCI: 00:02.0 [8086/591c] enabled PCI: 00:04.0 [8086/1903] enabled PCI: 00:08.0 [8086/1911] enabled PCI: 00:14.0 [8086/0000] bus ops PCI: 00:14.0 [8086/9d2f] enabled PCI: 00:14.2 [8086/9d31] enabled PCI: 00:15.0 [8086/0000] bus ops PCI: 00:15.0 [8086/9d60] enabled PCI: 00:15.1 [8086/0000] bus ops PCI: 00:15.1 [8086/9d61] enabled PCI: 00:16.0 [8086/0000] ops PCI: 00:16.0 [8086/9d3a] enabled PCI: 00:19.0 [8086/0000] ops PCI: 00:19.0 [8086/9d66] enabled PCI: 00:19.1 [8086/0000] bus ops PCI: 00:19.1 [8086/9d65] enabled PCI: 00:1c.0 [8086/0000] bus ops PCI: 00:1c.0 [8086/9d10] enabled PCI: 00:1e.0 [8086/0000] ops PCI: 00:1e.0 [8086/9d27] enabled PCI: 00:1e.2 [8086/0000] bus ops PCI: 00:1e.2 [8086/9d29] enabled PCI: 00:1e.4 [8086/9d2b] enabled PCI: 00:1e.6 [8086/0000] ops PCI: 00:1e.6 [8086/9d2d] enabled PCI: 00:1f.0 [8086/0000] bus ops PCI: 00:1f.0 [8086/9d4b] enabled PCI: Static device PCI: 00:1f.1 not found, disabling it. PCI: 00:1f.2 [8086/0000] bus ops PCI: 00:1f.2 [8086/9d21] enabled PCI: 00:1f.3 [8086/0000] bus ops PCI: 00:1f.3 [8086/9d71] enabled PCI: 00:1f.4 [8086/0000] bus ops PCI: 00:1f.4 [8086/9d23] enabled PCI: 00:1f.5 [8086/0000] bus ops PCI: 00:1f.5 [8086/9d24] enabled PCI: 00:14.0 scanning... scan_usb_bus for PCI: 00:14.0 USB0 port 0 enabled USB0 port 0 scanning... scan_usb_bus for USB0 port 0 USB2 port 0 enabled USB2 port 1 enabled USB2 port 2 enabled USB2 port 4 enabled USB2 port 8 enabled USB2 port 0 scanning... scan_usb_bus for USB2 port 0 scan_usb_bus for USB2 port 0 done scan_bus: scanning of bus USB2 port 0 took 8963 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 8973 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 8974 usecs USB2 port 4 scanning... scan_usb_bus for USB2 port 4 scan_usb_bus for USB2 port 4 done scan_bus: scanning of bus USB2 port 4 took 8972 usecs USB2 port 8 scanning... scan_usb_bus for USB2 port 8 scan_usb_bus for USB2 port 8 done scan_bus: scanning of bus USB2 port 8 took 8964 usecs scan_usb_bus for USB0 port 0 done scan_bus: scanning of bus USB0 port 0 took 90943 usecs scan_usb_bus for PCI: 00:14.0 done scan_bus: scanning of bus PCI: 00:14.0 took 107723 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 14145 usecs PCI: 00:15.1 scanning... scan_generic_bus for PCI: 00:15.1 bus: PCI: 00:15.1[0]->I2C: 02:15 enabled scan_generic_bus for PCI: 00:15.1 done scan_bus: scanning of bus PCI: 00:15.1 took 14155 usecs PCI: 00:19.1 scanning... scan_generic_bus for PCI: 00:19.1 bus: PCI: 00:19.1[0]->I2C: 03:39 enabled bus: PCI: 00:19.1[0]->I2C: 03:3a enabled bus: PCI: 00:19.1[0]->I2C: 03:1a enabled scan_generic_bus for PCI: 00:19.1 done scan_bus: scanning of bus PCI: 00:19.1 took 22368 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 53529 usecs PCI: 00:1e.2 scanning... scan_generic_bus for PCI: 00:1e.2 bus: PCI: 00:1e.2[0]->SPI: 00 enabled scan_generic_bus for PCI: 00:1e.2 done scan_bus: scanning of bus PCI: 00:1e.2 took 13865 usecs PCI: 00:1f.0 scanning... scan_lpc_bus for PCI: 00:1f.0 PNP: 0c09.0 enabled scan_lpc_bus for PCI: 00:1f.0 done scan_bus: scanning of bus PCI: 00:1f.0 took 11313 usecs PCI: 00:1f.2 scanning... scan_lpc_bus for PCI: 00:1f.2 scan_lpc_bus for PCI: 00:1f.2 done scan_bus: scanning of bus PCI: 00:1f.2 took 9267 usecs PCI: 00:1f.3 scanning... scan_bus: scanning of bus PCI: 00:1f.3 took 2718 usecs PCI: 00:1f.4 scanning... scan_generic_bus for PCI: 00:1f.4 scan_generic_bus for PCI: 00:1f.4 done scan_bus: scanning of bus PCI: 00:1f.4 took 10048 usecs PCI: 00:1f.5 scanning... scan_generic_bus for PCI: 00:1f.5 scan_generic_bus for PCI: 00:1f.5 done scan_bus: scanning of bus PCI: 00:1f.5 took 10038 usecs scan_bus: scanning of bus DOMAIN: 0000 took 465999 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 486099 usecs done Chrome EC: UHEPI supported FMAP: area RECOVERY_MRC_CACHE found @ 9d0000 (65536 bytes) MRC: Checking cached data update for 'RECOVERY_MRC_CACHE'. SF: Detected FAST_SPI Hardware Sequencer with sector size 0x1000, total 0x1000000 FMAP: area UNIFIED_MRC_CACHE found @ 9d0000 (131072 bytes) SPI flash protection: WPSW=0 SRP0=1 MRC: NOT enabling PRR for 'UNIFIED_MRC_CACHE'. BS: BS_DEV_ENUMERATE times (us): entry 0 run 825839 exit 39265 found VGA at PCI: 00:02.0 Setting up VGA for PCI: 00:02.0 Setting PCI_BRIDGE_CTL_VGA for bridge DOMAIN: 0000 Setting PCI_BRIDGE_CTL_VGA for bridge Root Device Allocating resources... Reading resources... Root Device read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 PCI: 00:14.0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 done PCI: 00:14.0 read_resources bus 0 link: 0 done PCI: 00:15.0 read_resources bus 1 link: 0 PCI: 00:15.0 read_resources bus 1 link: 0 done PCI: 00:15.1 read_resources bus 2 link: 0 PCI: 00:15.1 read_resources bus 2 link: 0 done PCI: 00:19.1 read_resources bus 3 link: 0 PCI: 00:19.1 read_resources bus 3 link: 0 done PCI: 00:1c.0 read_resources bus 1 link: 0 PCI: 00:1c.0 read_resources bus 1 link: 0 done PCI: 00:1e.2 read_resources bus 4 link: 0 PCI: 00:1e.2 read_resources bus 4 link: 0 done PCI: 00:1f.0 read_resources bus 0 link: 0 PCI: 00:1f.0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 done Root Device read_resources bus 0 link: 0 done Done reading resources. Show resources in subtree (Root Device)...After reading. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 03 APIC: 02 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffff flags 40040100 index 10000000 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base 0 size 1000000 align 24 gran 24 limit ffffffffffffffff flags 201 index 10 PCI: 00:02.0 resource base 0 size 10000000 align 28 gran 28 limit ffffffffffffffff flags 1201 index 18 PCI: 00:02.0 resource base 0 size 40 align 6 gran 6 limit ffff flags 100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base 0 size 8000 align 15 gran 15 limit ffffffffffffffff flags 201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base 0 size 0 align 12 gran 12 limit ffff flags 80102 index 1c PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffffffffffff flags 81202 index 24 PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffff flags 80202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base 0 size 2000 align 13 gran 13 limit ffffffffffffffff flags 201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base 0 size 4000 align 14 gran 14 limit ffffffff flags 200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base 0 size 4000 align 14 gran 14 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.3 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base 0 size 100 align 12 gran 8 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base 0 size 1000 align 12 gran 12 limit ffffffff flags 200 index 10 PCI: 00:1f.6 DOMAIN: 0000 io: base: 0 size: 0 align: 0 gran: 0 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff done PCI: 00:02.0 20 * [0x0 - 0x3f] io DOMAIN: 0000 io: base: 40 size: 40 align: 6 gran: 0 limit: ffff done DOMAIN: 0000 mem: base: 0 size: 0 align: 0 gran: 0 limit: ffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff done PCI: 00:1c.0 mem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffff PCI: 01:00.0 10 * [0x0 - 0x1fff] mem PCI: 00:1c.0 mem: base: 2000 size: 100000 align: 20 gran: 20 limit: ffffffff done PCI: 00:02.0 18 * [0x0 - 0xfffffff] prefmem PCI: 00:02.0 10 * [0x10000000 - 0x10ffffff] mem PCI: 00:1c.0 20 * [0x11000000 - 0x110fffff] mem PCI: 00:14.0 10 * [0x11100000 - 0x1110ffff] mem PCI: 00:1f.3 20 * [0x11110000 - 0x1111ffff] mem PCI: 00:04.0 10 * [0x11120000 - 0x11127fff] mem PCI: 00:1f.2 10 * [0x11128000 - 0x1112bfff] mem PCI: 00:1f.3 10 * [0x1112c000 - 0x1112ffff] mem PCI: 00:08.0 10 * [0x11130000 - 0x11130fff] mem PCI: 00:14.2 10 * [0x11131000 - 0x11131fff] mem PCI: 00:15.0 10 * [0x11132000 - 0x11132fff] mem PCI: 00:15.1 10 * [0x11133000 - 0x11133fff] mem PCI: 00:16.0 10 * [0x11134000 - 0x11134fff] mem PCI: 00:19.0 18 * [0x11135000 - 0x11135fff] mem PCI: 00:19.1 10 * [0x11136000 - 0x11136fff] mem PCI: 00:1e.0 10 * [0x11137000 - 0x11137fff] mem PCI: 00:1e.2 10 * [0x11138000 - 0x11138fff] mem PCI: 00:1e.4 10 * [0x11139000 - 0x11139fff] mem PCI: 00:1e.6 10 * [0x1113a000 - 0x1113afff] mem PCI: 00:1f.5 10 * [0x1113b000 - 0x1113bfff] mem PCI: 00:1f.4 10 * [0x1113c000 - 0x1113c0ff] mem DOMAIN: 0000 mem: base: 1113c100 size: 1113c100 align: 28 gran: 0 limit: ffffffff done avoid_fixed_resources: DOMAIN: 0000 avoid_fixed_resources:@DOMAIN: 0000 10000000 limit 0000ffff avoid_fixed_resources:@DOMAIN: 0000 10000100 limit ffffffff constrain_resources: PCI: 00:00.0 00 base e0000000 limit e3ffffff mem (fixed) constrain_resources: PCI: 00:00.0 08 base 00000000 limit 0009ffff mem (fixed) constrain_resources: PCI: 00:00.0 09 base 000c0000 limit 7affffff mem (fixed) constrain_resources: PCI: 00:00.0 0b base 7b000000 limit 7b7fffff mem (fixed) constrain_resources: PCI: 00:00.0 0c base 7b800000 limit 7fffffff mem (fixed) constrain_resources: PCI: 00:1f.0 00 base 00000000 limit 00000fff io (fixed) constrain_resources: PCI: 00:1f.2 40 base 00001800 limit 000018ff io (fixed) constrain_resources: PCI: 00:1f.4 20 base 0000efa0 limit 0000efbf io (fixed) avoid_fixed_resources:@DOMAIN: 0000 10000000 base 00001900 limit 0000ef9f avoid_fixed_resources:@DOMAIN: 0000 10000100 base c0000000 limit dfffffff Setting resources... DOMAIN: 0000 io: base:1900 size:40 align:6 gran:0 limit:ef9f PCI: 00:02.0 20 * [0x1c00 - 0x1c3f] io DOMAIN: 0000 io: next_base: 1c40 size: 40 align: 6 gran: 0 done PCI: 00:1c.0 io: base:ef9f size:0 align:12 gran:12 limit:ef9f PCI: 00:1c.0 io: next_base: ef9f size: 0 align: 12 gran: 12 done DOMAIN: 0000 mem: base:c0000000 size:1113c100 align:28 gran:0 limit:dfffffff PCI: 00:02.0 18 * [0xc0000000 - 0xcfffffff] prefmem PCI: 00:02.0 10 * [0xd0000000 - 0xd0ffffff] mem PCI: 00:1c.0 20 * [0xd1000000 - 0xd10fffff] mem PCI: 00:14.0 10 * [0xd1100000 - 0xd110ffff] mem PCI: 00:1f.3 20 * [0xd1110000 - 0xd111ffff] mem PCI: 00:04.0 10 * [0xd1120000 - 0xd1127fff] mem PCI: 00:1f.2 10 * [0xd1128000 - 0xd112bfff] mem PCI: 00:1f.3 10 * [0xd112c000 - 0xd112ffff] mem PCI: 00:08.0 10 * [0xd1130000 - 0xd1130fff] mem PCI: 00:14.2 10 * [0xd1131000 - 0xd1131fff] mem PCI: 00:15.0 10 * [0xd1132000 - 0xd1132fff] mem PCI: 00:15.1 10 * [0xd1133000 - 0xd1133fff] mem PCI: 00:16.0 10 * [0xd1134000 - 0xd1134fff] mem PCI: 00:19.0 18 * [0xd1135000 - 0xd1135fff] mem PCI: 00:19.1 10 * [0xd1136000 - 0xd1136fff] mem PCI: 00:1e.0 10 * [0xd1137000 - 0xd1137fff] mem PCI: 00:1e.2 10 * [0xd1138000 - 0xd1138fff] mem PCI: 00:1e.4 10 * [0xd1139000 - 0xd1139fff] mem PCI: 00:1e.6 10 * [0xd113a000 - 0xd113afff] mem PCI: 00:1f.5 10 * [0xd113b000 - 0xd113bfff] mem PCI: 00:1f.4 10 * [0xd113c000 - 0xd113c0ff] mem DOMAIN: 0000 mem: next_base: d113c100 size: 1113c100 align: 28 gran: 0 done PCI: 00:1c.0 prefmem: base:dfffffff size:0 align:20 gran:20 limit:dfffffff PCI: 00:1c.0 prefmem: next_base: dfffffff size: 0 align: 20 gran: 20 done PCI: 00:1c.0 mem: base:d1000000 size:100000 align:20 gran:20 limit:d10fffff PCI: 01:00.0 10 * [0xd1000000 - 0xd1001fff] mem PCI: 00:1c.0 mem: next_base: d1002000 size: 100000 align: 20 gran: 20 done Root Device assign_resources, bus 0 link: 0 DOMAIN: 0000 assign_resources, bus 0 link: 0 PCI: 00:02.0 10 <- [0x00d0000000 - 0x00d0ffffff] size 0x01000000 gran 0x18 mem64 PCI: 00:02.0 18 <- [0x00c0000000 - 0x00cfffffff] size 0x10000000 gran 0x1c prefmem64 PCI: 00:02.0 20 <- [0x0000001c00 - 0x0000001c3f] size 0x00000040 gran 0x06 io PCI: 00:04.0 10 <- [0x00d1120000 - 0x00d1127fff] size 0x00008000 gran 0x0f mem64 PCI: 00:08.0 10 <- [0x00d1130000 - 0x00d1130fff] size 0x00001000 gran 0x0c mem64 PCI: 00:14.0 10 <- [0x00d1100000 - 0x00d110ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.2 10 <- [0x00d1131000 - 0x00d1131fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 10 <- [0x00d1132000 - 0x00d1132fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.1 10 <- [0x00d1133000 - 0x00d1133fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:16.0 10 <- [0x00d1134000 - 0x00d1134fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.0 18 <- [0x00d1135000 - 0x00d1135fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 10 <- [0x00d1136000 - 0x00d1136fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:1c.0 1c <- [0x000000ef9f - 0x000000ef9e] size 0x00000000 gran 0x0c bus 01 io PCI: 00:1c.0 24 <- [0x00dfffffff - 0x00dffffffe] size 0x00000000 gran 0x14 bus 01 prefmem PCI: 00:1c.0 20 <- [0x00d1000000 - 0x00d10fffff] size 0x00100000 gran 0x14 bus 01 mem PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 01:00.0 10 <- [0x00d1000000 - 0x00d1001fff] size 0x00002000 gran 0x0d mem64 PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 00:1e.0 10 <- [0x00d1137000 - 0x00d1137fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 10 <- [0x00d1138000 - 0x00d1138fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.4 10 <- [0x00d1139000 - 0x00d1139fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.6 10 <- [0x00d113a000 - 0x00d113afff] size 0x00001000 gran 0x0c mem64 PCI: 00:1f.0 assign_resources, bus 0 link: 0 PCI: 00:1f.0 assign_resources, bus 0 link: 0 LPC: Trying to open IO window from 800 size 1ff PCI: 00:1f.2 10 <- [0x00d1128000 - 0x00d112bfff] size 0x00004000 gran 0x0e mem PCI: 00:1f.3 10 <- [0x00d112c000 - 0x00d112ffff] size 0x00004000 gran 0x0e mem64 PCI: 00:1f.3 20 <- [0x00d1110000 - 0x00d111ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:1f.4 10 <- [0x00d113c000 - 0x00d113c0ff] size 0x00000100 gran 0x08 mem64 PCI: 00:1f.5 10 <- [0x00d113b000 - 0x00d113bfff] size 0x00001000 gran 0x0c mem DOMAIN: 0000 assign_resources, bus 0 link: 0 Root Device assign_resources, bus 0 link: 0 Done setting resources. Show resources in subtree (Root Device)...After assigning values. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 03 APIC: 02 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 1900 size 40 align 6 gran 0 limit ef9f flags 40040100 index 10000000 DOMAIN: 0000 resource base c0000000 size 1113c100 align 28 gran 0 limit dfffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base d0000000 size 1000000 align 24 gran 24 limit d0ffffff flags 60000201 index 10 PCI: 00:02.0 resource base c0000000 size 10000000 align 28 gran 28 limit cfffffff flags 60001201 index 18 PCI: 00:02.0 resource base 1c00 size 40 align 6 gran 6 limit 1c3f flags 60000100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base d1120000 size 8000 align 15 gran 15 limit d1127fff flags 60000201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base d1130000 size 1000 align 12 gran 12 limit d1130fff flags 60000201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base d1100000 size 10000 align 16 gran 16 limit d110ffff flags 60000201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base d1131000 size 1000 align 12 gran 12 limit d1131fff flags 60000201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base d1132000 size 1000 align 12 gran 12 limit d1132fff flags 60000201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base d1133000 size 1000 align 12 gran 12 limit d1133fff flags 60000201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base d1134000 size 1000 align 12 gran 12 limit d1134fff flags 60000201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base d1135000 size 1000 align 12 gran 12 limit d1135fff flags 60000201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base d1136000 size 1000 align 12 gran 12 limit d1136fff flags 60000201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base ef9f size 0 align 12 gran 12 limit ef9f flags 60080102 index 1c PCI: 00:1c.0 resource base dfffffff size 0 align 20 gran 20 limit dfffffff flags 60081202 index 24 PCI: 00:1c.0 resource base d1000000 size 100000 align 20 gran 20 limit d10fffff flags 60080202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base d1000000 size 2000 align 13 gran 13 limit d1001fff flags 60000201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base d1137000 size 1000 align 12 gran 12 limit d1137fff flags 60000201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base d1138000 size 1000 align 12 gran 12 limit d1138fff flags 60000201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base d1139000 size 1000 align 12 gran 12 limit d1139fff flags 60000201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base d113a000 size 1000 align 12 gran 12 limit d113afff flags 60000201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base d1128000 size 4000 align 14 gran 14 limit d112bfff flags 60000200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base d112c000 size 4000 align 14 gran 14 limit d112ffff flags 60000201 index 10 PCI: 00:1f.3 resource base d1110000 size 10000 align 16 gran 16 limit d111ffff flags 60000201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base d113c000 size 100 align 12 gran 8 limit d113c0ff flags 60000201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base d113b000 size 1000 align 12 gran 12 limit d113bfff flags 60000200 index 10 PCI: 00:1f.6 Done allocating resources. BS: BS_DEV_RESOURCES times (us): entry 0 run 2114156 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 139323 exit 21775 Initializing devices... Root Device init ... Chrome EC: Set SMI mask to 0x0000000000000001 Chrome EC: Set S5 LAZY WAKE mask to 0x0000000000000006 Chrome EC: Set S3 LAZY WAKE mask to 0x0000000010001006 Chrome EC: Set S0iX LAZY WAKE mask to 0x0000000010001006 Chrome EC: Set WAKE mask to 0x0000000000000000 Root Device init finished in 30853 usecs CPU_CLUSTER: 0 init ... CPU_CLUSTER: 0 init finished in 2443 usecs PCI: 00:00.0 init ... CPU TDP: 5 Watts CPU PL2 = 18 Watts PCI: 00:00.0 init finished in 6985 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2250 usecs PCI: 00:04.0 init ... PCI: 00:04.0 init finished in 2249 usecs PCI: 00:08.0 init ... PCI: 00:08.0 init finished in 2250 usecs PCI: 00:14.0 init ... PCI: 00:14.0 init finished in 2249 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 5968 usecs PCI: 00:15.1 init ... DW I2C bus 1 at 0xd1133000 (400 KHz) PCI: 00:15.1 init finished in 5968 usecs PCI: 00:16.0 init ... PCI: 00:16.0 init finished in 2248 usecs PCI: 00:19.1 init ... DW I2C bus 5 at 0xd1136000 (400 KHz) PCI: 00:19.1 init finished in 5968 usecs PCI: 00:1c.0 init ... Initializing PCH PCIe bridge. PCI: 00:1c.0 init finished in 5289 usecs PCI: 00:1e.4 init ... PCI: 00:1e.4 init finished in 2240 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 23484 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 23830 usecs PCI: 00:1f.4 init ... PCI: 00:1f.4 init finished in 2260 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2394 usecs PNP: 0c09.0 init ... Google Chrome EC: Hello got back 11223344 status (0) Google Chrome EC: version: ro: rammus_v2.0.387-f0df0fe2e rw: rammus_v2.0.425-6e0dd622e running image: 1 EC returned error result code 1 PNP: 0c09.0 init finished in 24842 usecs Devices initialized Show all devs... After init. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 0 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 01:5c: enabled 1 I2C: 02:15: enabled 1 I2C: 03:39: enabled 1 I2C: 03:3a: enabled 1 I2C: 03:1a: enabled 1 PCI: 01:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 APIC: 02: enabled 1 PCI: 00:04.0: enabled 1 PCI: 00:08.0: enabled 1 FMAP: area RW_ELOG found @ 9f0000 (16384 bytes) ELOG: NV offset 0x9f0000 size 0x4000 ELOG: area is 4096 bytes, full threshold 3842, shrink size 1024 ELOG: Event(17) added with size 13 at 2022-09-27 08:49:07 UTC POST: Unexpected post code in previous boot: 0x34 ELOG: Event(A3) added with size 11 at 2022-09-27 08:49:07 UTC ELOG: Event(A6) added with size 13 at 2022-09-27 08:49:07 UTC ELOG: Event(92) added with size 9 at 2022-09-27 08:49:07 UTC ELOG: Event(16) added with size 11 at 2022-09-27 08:49:07 UTC Erasing flash addr 9f0000 + 4 KiB ELOG: Event(9A) added with size 9 at 2022-09-27 08:49:07 UTC ELOG: Event(AD) added with size 10 at 2022-09-27 08:49:07 UTC ELOG: Event(9F) added with size 14 at 2022-09-27 08:49:07 UTC BS: BS_DEV_INIT times (us): entry 0 run 417486 exit 136181 ELOG: Event(A1) added with size 10 at 2022-09-27 08:49:07 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2022-09-27 08:49:07 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 25568 run 3970 exit 5203 BS: BS_OS_RESUME_CHECK times (us): entry 0 run 55 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/dsdt.aml' CBFS: Found @ offset 19af40 size 4691 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/slic' CBFS: 'fallback/slic' not found. ACPI: Writing ACPI tables at 7aa9a000. ACPI: * FACS ACPI: * DSDT Ramoops buffer: 0x100000@0x7a999000. SGX: not enabled or not supported. skip gnvs fill ACPI: * FADT SCI is IRQ9 ACPI: added table 1/32, length now 40 ACPI: * SSDT Found 1 CPU(s) with 4 core(s) each. \_SB.PCI0.I2C0.H05C: SISC Touchscreen at I2C: 01:5c \_SB.PCI0.I2C1.D015: ELAN Touchpad at I2C: 02:15 \_SB.PCI0.I2C5.MAXR: Maxim MAX98927 Codec address 039h \_SB.PCI0.I2C5.MAXL: Maxim MAX98927 Codec address 03ah \_SB.PCI0.I2C5.DLG7: Dialog Semiconductor DA7219 Audio Codec address 01ah irq 105 Error: Could not locate 'wifi_sar' in VPD. Error: failed from getting SAR limits! \_SB.PCI0.RP01.WIFI: Intel WiFi PCI: 01:00.0 \_SB.PCI0.SPI0.S001: SPI Device at SPI: 00 \_SB.PCI0.XHCI.RHUB.HS01: USB Type C Port 1 at USB2 port 0 \_SB.PCI0.XHCI.RHUB.HS02: USB Type A Port 1 at USB2 port 1 \_SB.PCI0.XHCI.RHUB.HS03: Bluetooth at USB2 port 2 \_SB.PCI0.XHCI.RHUB.HS05: USB Type C Port 2 at USB2 port 4 \_SB.PCI0.XHCI.RHUB.HS09: Camera at USB2 port 8 ACPI: added table 2/32, length now 44 ACPI: * MCFG ACPI: added table 3/32, length now 48 ACPI: * TPM2 ACPI: added table 4/32, length now 52 ACPI: * MADT SCI is IRQ9 ACPI: added table 5/32, length now 56 current = 7aa9fa60 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-16b.bin' CBFS: Found @ offset 167000 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-32b.bin' CBFS: Found @ offset 19f640 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-24b.bin' CBFS: Found @ offset 167c00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 ACPI: * NHLT ACPI: added table 6/32, length now 60 ACPI: * DMAR ACPI: added table 7/32, length now 64 ACPI: * IGD OpRegion GMA: Found VBT in CBFS GMA: Found valid VBT in CBFS current = 7aaa3610 ACPI: added table 8/32, length now 68 ACPI: * HPET ACPI: added table 9/32, length now 72 ACPI: done. ACPI tables: 38592 bytes. smbios_write_tables: 7a998000 Create SMBIOS type 17 PCI: 01:00.0 (Intel WiFi) SMBIOS tables: 662 bytes. Writing table forward entry at 0x00000500 Wrote coreboot table at: 00000500, 0x10 bytes, checksum a532 Writing coreboot table at 0x7aabe000 0. 0000000000000000-0000000000000fff: CONFIGURATION TABLES 1. 0000000000001000-000000000009ffff: RAM 2. 00000000000a0000-00000000000fffff: RESERVED 3. 0000000000100000-000000007a997fff: RAM 4. 000000007a998000-000000007ab05fff: CONFIGURATION TABLES 5. 000000007ab06000-000000007abcffff: RAMSTAGE 6. 000000007abd0000-000000007affffff: CONFIGURATION TABLES 7. 000000007b000000-000000007fffffff: RESERVED 8. 00000000e0000000-00000000e3ffffff: RESERVED 9. 00000000fe000000-00000000fe00ffff: RESERVED 10. 00000000fed10000-00000000fed19fff: RESERVED 11. 00000000fed80000-00000000fed84fff: RESERVED 12. 00000000fed90000-00000000fed91fff: RESERVED 13. 0000000100000000-000000017effffff: RAM Graphics framebuffer located at 0xc0000000 Passing 6 GPIOs to payload: NAME | PORT | POLARITY | VALUE write protect | undefined | high | low recovery | undefined | high | low lid | undefined | high | high power | undefined | high | low oprom | undefined | high | low EC in RW | 0x00000036 | high | low Board ID: 6 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) Wrote coreboot table at: 7aabe000, 0x57c bytes, checksum 3538 coreboot table: 1428 bytes. IMD ROOT 0. 7afff000 00001000 IMD SMALL 1. 7affe000 00001000 FSP MEMORY 2. 7abfe000 00400000 CONSOLE 3. 7abde000 00020000 TIME STAMP 4. 7abdd000 00000910 VBOOT 5. 7abdc000 00000c0c MRC DATA 6. 7abda000 00001878 ROMSTG STCK 7. 7abd9000 00000400 AFTER CAR 8. 7abd0000 00009000 RAMSTAGE 9. 7ab05000 000cb000 REFCODE 10. 7aad6000 0002f000 SMM BACKUP 11. 7aac6000 00010000 COREBOOT 12. 7aabe000 00008000 ACPI 13. 7aa9a000 00024000 ACPI GNVS 14. 7aa99000 00001000 RAMOOPS 15. 7a999000 00100000 SMBIOS 16. 7a998000 00000800 IMD small region: IMD ROOT 0. 7affec00 00000400 FSP RUNTIME 1. 7affebe0 00000004 VBOOT SEL 2. 7affebc0 00000008 EC HOSTEVENT 3. 7affeba0 00000008 POWER STATE 4. 7affeb60 00000040 ROMSTAGE 5. 7affeb40 00000004 MEM INFO 6. 7affe980 000001a9 COREBOOTFWD 7. 7affe940 00000028 MTRR: Physical address space: 0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6 0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0 0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6 0x000000007b800000 - 0x00000000c0000000 size 0x44800000 type 0 0x00000000c0000000 - 0x00000000d0000000 size 0x10000000 type 1 0x00000000d0000000 - 0x0000000100000000 size 0x30000000 type 0 0x0000000100000000 - 0x000000017f000000 size 0x7f000000 type 6 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 call enable_fixed_mtrr() CPU physical address size: 39 bits MTRR: default type WB/UC MTRR counts: 6/5. MTRR: UC selected as default type. MTRR: 0 base 0x0000000000000000 mask 0x0000007f80000000 type 6 MTRR: 1 base 0x000000007b800000 mask 0x0000007fff800000 type 0 MTRR: 2 base 0x000000007c000000 mask 0x0000007ffc000000 type 0 MTRR: 3 base 0x00000000c0000000 mask 0x0000007ff0000000 type 1 MTRR: 4 base 0x0000000100000000 mask 0x0000007f80000000 type 6 MTRR check Fixed MTRRs : Enabled Variable MTRRs: Enabled MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 BS: BS_WRITE_TABLES times (us): entry 0 run 533957 exit 146878 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 call enable_fixed_mtrr() MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 CPU physical address size: 39 bits call enable_fixed_mtrr() CBFS: Found @ offset 223040 size 360b4 CPU physical address size: 39 bits Checking segment from ROM address 0xfff23078 Checking segment from ROM address 0xfff23094 Loading segment from ROM address 0xfff23078 code (compression=0) New segment dstaddr 0x30104020 memsize 0x64d8b0 srcaddr 0xfff230b0 filesize 0x3607c Loading Segment: addr: 0x30104020 memsz: 0x000000000064d8b0 filesz: 0x000000000003607c it's not compressed! [ 0x30104020, 3013a09c, 0x307518d0) <- fff230b0 Clearing Segment: addr: 0x000000003013a09c memsz: 0x0000000000617834 Loading segment from ROM address 0xfff23094 Entry Point 0x30104020 Loaded segments Finalizing chipset. ME: Host Firmware Status Register 1 : 0x90000245 ME: Host Firmware Status Register 2 : 0x6B000306 ME: Host Firmware Status Register 3 : 0x00000020 ME: Host Firmware Status Register 4 : 0x00084000 ME: Host Firmware Status Register 5 : 0x00000000 ME: Host Firmware Status Register 6 : 0x40000002 ME: FW Partition Table : OK ME: Bringup Loader Failure : NO ME: Firmware Init Complete : YES ME: Manufacturing Mode : NO ME: Boot Options Present : NO ME: Update In Progress : NO ME: D3 Support : NO ME: D0i3 Support : YES ME: Low Power State Enabled : YES ME: CPU Replaced : NO ME: CPU Replacement Valid : YES ME: Current Working State : Normal ME: Current Operation State : M0 with UMA ME: Current Operation Mode : Normal ME: Error Code : No Error ME: Progress Phase : Host Communication ME: Power Management Event : Power cycle reset through Moff ME: Progress Phase State : Host communication established ME: Power Down Mitigation : NO ME: FPF status : fused Clearing MCA. Finalizing SMM. BS: BS_PAYLOAD_LOAD times (us): entry 608 run 261868 exit 135693 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 7418966/tftp-deploy-lyv_krnd/kernel/bzImage 7418966/tftp-deploy-lyv_krnd/kernel/cmdline 7418966/tftp-deploy-lyv_krnd/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 7418966/tftp-deploy-lyv_krnd/kernel/bzImoy-lyv_krnd/kernel/cmdline 7418966/tftp-deploy-lyv_krnd/ramdisk/ramdisk.cpio.gz Waiting for link R8152: Initializing Version 9 (ocp_data = 6010) R8152: Done initializing Adding net device done. MAC: 00:e0:4c:68:0a:98 Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.18 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 7418966/tftp-deploy-lyv_krnd/kernel/bzImage Sending tftp read request... done. Waiting for the transfer... 00000000 ################################################################ 00080000 ################################################################ 00100000 ################################################################ 00180000 ################################################################ 00200000 ################################################################ 00280000 ################################################################ 00300000 ################################################################ 00380000 ################################################################ 00400000 ################################################################ 00480000 ################################################################ 00500000 ################################################################ 00580000 ################################################################ 00600000 ################################################################ 00680000 ################################################################ 00700000 ################################################################ 00780000 ################################################################ 00800000 ################################################################ 00880000 ################################################################ 00900000 ################################################################ 00980000 ################################################################ 00a00000 ################################################################ 00a80000 ################################################################ 00b00000 ################################################################ 00b80000 ################################################################ 00c00000 ################################################################ 00c80000 ################################################################ 00d00000 ################################################ done. The bootfile was 14017984 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: 7418966/tftp-deploy-lyv_krnd/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/7418966/extract-nfsrootfs-2pvgrsr5,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: 18029673 Starting kernel ... [ 0.000000] Linux version 5.10.145-cip17 (KernelCI@build-j216655-x86-64-gcc-10-x86-64-defconfig-x86-chromeboodssm2) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Tue Sep 27 07:56:56 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/7418966/extract-nfsrootfs-2pvgrsr5,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 [ 0.000054] last_pfn = 0x17f000 max_arch_pfn = 0x400000000 [ 0.001308] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.006774] last_pfn = 0x7a998 max_arch_pfn = 0x400000000 [ 0.024274] check: Scanning 1 areas for low memory corruption [ 0.024287] Using GB pages for direct mapping [ 0.024935] RAMDISK: [mem 0x377f8000-0x37ffffff] [ 0.024942] ACPI: Early table checksum verification disabled [ 0.024950] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) [ 0.024963] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.024979] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.024994] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531) [ 0.025007] ACPI: FACS 0x000000007AA9A240 000040 [ 0.025017] ACPI: FACS 0x000000007AA9A240 000040 [ 0.025028] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE COREBOOT 0000002A CORE 0000002A) [ 0.025040] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.025052] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.025064] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE COREBOOT 00000000 CORE 00000000) [ 0.025075] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS 00000000 CORE 00000000) [ 0.025087] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.025099] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE COREBOOT 00000000 CORE 00000000) [ 0.025110] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.025122] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63] [ 0.025127] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962] [ 0.025131] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.025136] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.025140] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969] [ 0.025145] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab] [ 0.025149] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef] [ 0.025154] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b] [ 0.025159] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b] [ 0.025163] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607] [ 0.025168] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670] [ 0.025172] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7] [ 0.025308] No NUMA configuration found [ 0.025313] Faking a node at [mem 0x0000000000000000-0x000000017effffff] [ 0.025323] NODE_DATA(0) allocated [mem 0x17effa000-0x17effdfff] [ 0.025365] Zone ranges: [ 0.025370] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.025377] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.025384] Normal [mem 0x0000000100000000-0x000000017effffff] [ 0.025391] Movable zone start for each node [ 0.025396] Early memory node ranges [ 0.025401] node 0: [mem 0x0000000000001000-0x000000000009ffff] [ 0.025405] node 0: [mem 0x0000000000100000-0x000000007a997fff] [ 0.025410] node 0: [mem 0x0000000100000000-0x000000017effffff] [ 0.025416] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff] [ 0.025450] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.025492] On node 0, zone DMA: 96 pages in unavailable ranges [ 0.036615] On node 0, zone Normal: 22120 pages in unavailable ranges [ 0.036688] On node 0, zone Normal: 4096 pages in unavailable ranges [ 0.036714] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] [ 0.037070] ACPI: PM-Timer IO Port: 0x1808 [ 0.037125] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 [ 0.037138] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.037144] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.037158] Using ACPI (MADT) for SMP configuration information [ 0.037181] ACPI: HPET id: 0x8086a701 base: 0xfed00000 [ 0.037189] TSC deadline timer available [ 0.037194] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.037223] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.037229] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] [ 0.037235] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff] [ 0.037239] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] [ 0.037244] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff] [ 0.037248] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff] [ 0.037252] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff] [ 0.037256] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff] [ 0.037260] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff] [ 0.037265] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff] [ 0.037269] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff] [ 0.037273] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff] [ 0.037277] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff] [ 0.037282] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff] [ 0.037286] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff] [ 0.037294] [mem 0x80000000-0xdfffffff] available for PCI devices [ 0.037302] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.050794] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 [ 0.051065] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 [ 0.051136] Built 1 zonelists, mobility grouping on. Total pages: 1006266 [ 0.051141] Policy zone: Normal [ 0.051156] 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/7418966/extract-nfsrootfs-2pvgrsr5,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.051692] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.051931] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.052018] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.073228] Memory: 3888560K/4089052K available (18450K kernel code, 3465K rwdata, 6808K rodata, 2036K init, 13236K bss, 200232K reserved, 0K cma-reserved) [ 0.073389] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.073452] Kernel/User page tables isolation: enabled [ 0.073538] ftrace: allocating 53397 entries in 209 pages [ 0.130491] ftrace: allocated 209 pages with 4 groups [ 0.130786] Running RCU self tests [ 0.130803] rcu: Hierarchical RCU implementation. [ 0.130808] rcu: RCU event tracing is enabled. [ 0.130812] rcu: RCU lockdep checking is enabled. [ 0.130817] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. [ 0.130822] Rude variant of Tasks RCU enabled. [ 0.130826] Tracing variant of Tasks RCU enabled. [ 0.130831] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.130836] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.141746] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 [ 0.142219] random: crng init done [ 0.142345] Console: colour dummy device 80x25 [ 0.217604] printk: console [ttyS0] enabled [ 0.217972] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.218635] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.218996] ... MAX_LOCK_DEPTH: 48 [ 0.219364] ... MAX_LOCKDEP_KEYS: 8192 [ 0.219746] ... CLASSHASH_SIZE: 4096 [ 0.220128] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.220518] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.220907] ... CHAINHASH_SIZE: 32768 [ 0.221296] memory used by lock dependency info: 6365 kB [ 0.221764] memory used for stack traces: 4224 kB [ 0.222182] per task-struct memory footprint: 1920 bytes [ 0.222706] ACPI: Core revision 20200925 [ 0.223302] hpet: HPET dysfunctional in PC10. Force disabled. [ 0.223801] APIC: Switch to symmetric I/O mode setup [ 0.228304] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns [ 0.229224] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960) [ 0.230130] pid_max: default: 32768 minimum: 301 [ 0.230206] LSM: Security Framework initializing [ 0.230206] SELinux: Initializing. [ 0.230206] LSM support for eBPF active [ 0.230206] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.230206] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.230206] mce: CPU0: Thermal monitoring enabled (TM1) [ 0.230206] process: using mwait in idle threads [ 0.230206] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 0.230206] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 0.230206] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.230206] Spectre V2 : Mitigation: IBRS [ 0.230206] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.230206] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT [ 0.230206] RETBleed: Mitigation: IBRS [ 0.230206] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 0.230206] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp [ 0.230206] MDS: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.230206] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.230206] SRBDS: Vulnerable: No microcode [ 0.230206] ------------[ cut here ]------------ [ 0.230206] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 [ 0.230206] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:712 apply_returns+0x1f5/0x220 [ 0.230206] Modules linked in: [ 0.230206] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.145-cip17 #1 [ 0.230206] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 0.230206] RIP: 0010:apply_returns+0x1f5/0x220 [ 0.230206] Code: e4 01 00 0f 85 e1 fe ff ff 49 89 e8 b9 05 00 00 00 4c 89 f2 48 89 ee 48 c7 c7 78 8e ec b9 c6 05 fb 5c e4 01 01 e8 a6 9a e8 00 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc [ 0.230206] RSP: 0000:ffffffffba203de0 EFLAGS: 00010282 [ 0.230206] RAX: 0000000000000000 RBX: ffffffffbace4058 RCX: 0000000000000000 [ 0.230206] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffb877a8a1 [ 0.230206] RBP: ffffffffb9b9b320 R08: 0000000000000001 R09: 0000000000000001 [ 0.230206] R10: ffffffffba28fbc0 R11: 3fffffffffffffff R12: ffffffffbacfbc50 [ 0.230206] R13: cccccccccccccccc R14: ffffffffb9b9b325 R15: 0000000000000004 [ 0.230206] FS: 0000000000000000(0000) GS:ffff983bbac00000(0000) knlGS:0000000000000000 [ 0.230206] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.230206] CR2: ffff983bbefff000 CR3: 0000000071626001 CR4: 00000000003706f0 [ 0.230206] Call Trace: [ 0.230206] alternative_instructions+0x7d/0x143 [ 0.230206] check_bugs+0xedd/0xf39 [ 0.230206] start_kernel+0x517/0x54d [ 0.230206] secondary_startup_64_no_verify+0xc2/0xcb [ 0.230206] irq event stamp: 162243 [ 0.230206] hardirqs last enabled at (162251): [] console_unlock+0x4d1/0x5f0 [ 0.230206] hardirqs last disabled at (162258): [] console_unlock+0x444/0x5f0 [ 0.230206] softirqs last enabled at (1840): [] cgroup_idr_alloc.constprop.0+0x5b/0xe0 [ 0.230206] softirqs last disabled at (1838): [] cgroup_idr_alloc.constprop.0+0x2e/0xe0 [ 0.230206] ---[ end trace f45534a0bbd3613c ]--- [ 0.# 230206] Freeing SMP alternatives memory: 44K [ 0.230206] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9) [ 0.231078] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver. [ 0.231224] ... version: 4 [ 0.231583] ... bit width: 48 [ 0.231944] ... generic registers: 4 [ 0.232215] ... value mask: 0000ffffffffffff [ 0.232680] ... max period: 00007fffffffffff [ 0.233143] ... fixed-purpose events: 3 [ 0.233213] ... event mask: 000000070000000f [ 0.234304] rcu: Hierarchical SRCU implementation. [ 0.237064] smp: Bringing up secondary CPUs ... [ 0.238135] x86: Booting SMP configuration: [ 0.238242] .... node #0, CPUs: #1 [ 0.239287] 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. [ 0.240242] 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. [ 0.242031] #2 #3 [ 0.244696] smp: Brought up 1 node, 4 CPUs [ 0.245234] smpboot: Max logical packages: 1 [ 0.245615] smpboot: Total of 4 processors activated (12799.68 BogoMIPS) [ 0.248642] devtmpfs: initialized [ 0.249635] x86/mm: Memory block size: 128MB [ 0.254699] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.255230] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) [ 0.256360] pinctrl core: initialized pinctrl subsystem [ 0.257215] PM: RTC time: 08:49:21, date: 2022-09-27 [ 0.258341] NET: Registered protocol family 16 [ 0.259705] audit: initializing netlink subsys (disabled) [ 0.260258] audit: type=2000 audit(1664268561.031:1): state=initialized audit_enabled=0 res=1 [ 0.261233] thermal_sys: Registered thermal governor 'step_wise' [ 0.261240] thermal_sys: Registered thermal governor 'user_space' [ 0.261863] cpuidle: using governor menu [ 0.262664] ACPI: bus type PCI registered [ 0.263673] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000) [ 0.264225] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820 [ 0.264855] PCI: Using configuration type 1 for base access [ 0.295301] Kprobes globally optimized [ 0.295681] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.296227] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.297024] cryptomgr_test (38) used greatest stack depth: 14880 bytes left [ 0.300398] ACPI: Added _OSI(Module Device) [ 0.300691] ACPI: Added _OSI(Processor Device) [ 0.301086] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.302219] ACPI: Added _OSI(Processor Aggregator Device) [ 0.302696] ACPI: Added _OSI(Linux-Dell-Video) [ 0.303094] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.303217] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 0.319404] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 0.330106] ACPI: EC: EC started [ 0.330213] ACPI: EC: interrupt blocked [ 0.331526] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.331976] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions [ 0.333216] ACPI: Interpreter enabled [ 0.333634] ACPI: (supports S0 S3 S4 S5) [ 0.333986] ACPI: Using IOAPIC for interrupt routing [ 0.334311] PCI: Using host bridge windows from ACPI; if necessary, use \"pci=nocrs\" and report a bug [ 0.356958] ACPI: Power Resource [PRIC] (on) [ 0.489956] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.490227] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 0.491392] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] [ 0.492075] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge [ 0.494021] PCI host bridge to bus 0000:00 [ 0.494221] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.494811] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 0.495216] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.495863] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window] [ 0.496216] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window] [ 0.496862] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window] [ 0.498217] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window] [ 0.498864] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window] [ 0.499216] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window] [ 0.499862] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window] [ 0.500216] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window] [ 0.500862] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window] [ 0.502217] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window] [ 0.502864] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window] [ 0.503216] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window] [ 0.503862] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window] [ 0.504216] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window] [ 0.504861] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window] [ 0.506217] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window] [ 0.506863] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window] [ 0.507217] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.507798] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000 [ 0.509491] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000 [ 0.510041] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit] [ 0.510232] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref] [ 0.510864] pci 0000:00:02.0: reg 0x20: [io 0x1c00-0x1c3f] [ 0.512046] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000 [ 0.513243] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit] [ 0.514828] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000 [ 0.515244] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit] [ 0.516685] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330 [ 0.517252] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit] [ 0.518003] pci 0000:00:14.0: PME# supported from D3hot D3cold [ 0.519201] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000 [ 0.520259] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit] [ 0.521719] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000 [ 0.522264] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit] [ 0.523893] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000 [ 0.524265] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit] [ 0.525922] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000 [ 0.526265] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit] [ 0.526878] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit] [ 0.529239] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000 [ 0.529810] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit] [ 0.531307] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400 [ 0.532052] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold [ 0.533206] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000 [ 0.534266] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit] [ 0.535901] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000 [ 0.536265] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit] [ 0.537889] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501 [ 0.538259] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit] [ 0.540023] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501 [ 0.540259] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit] [ 0.541852] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100 [ 0.543215] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000 [ 0.543772] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff] [ 0.546199] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100 [ 0.546266] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit] [ 0.546915] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit] [ 0.547337] pci 0000:00:1f.3: PME# supported from D3hot D3cold [ 0.548834] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500 [ 0.550283] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit] [ 0.550947] pci 0000:00:1f.4: reg 0x20: [io 0xefa0-0xefbf] [ 0.552158] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000 [ 0.552250] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff] [ 0.554435] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 [ 0.555915] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit] [ 0.560813] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold [ 0.563512] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 0.563966] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 0.565890] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.566581] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15) [ 0.567558] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.568558] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.569553] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.570554] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.571551] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.572548] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.580520] ACPI: EC: interrupt unblocked [ 0.580892] ACPI: EC: event unblocked [ 0.581216] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.581666] ACPI: EC: GPE=0x6e [ 0.581949] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete [ 0.583218] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events [ 0.584391] iommu: Default domain type: Translated [ 0.585439] pci 0000:00:02.0: vgaarb: setting as boot VGA device [ 0.585843] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.586242] pci 0000:00:02.0: vgaarb: bridge control possible [ 0.586743] vgaarb: loaded [ 0.587612] SCSI subsystem initialized [ 0.587985] ACPI: bus type USB registered [ 0.588362] usbcore: registered new interface driver usbfs [ 0.588911] usbcore: registered new interface driver hub [ 0.589270] usbcore: registered new device driver usb [ 0.589864] pps_core: LinuxPPS API ver. 1 registered [ 0.590215] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.591009] PTP clock support registered [ 0.592500] Advanced Linux Sound Architecture Driver Initialized. [ 0.594379] NetLabel: Initializing [ 0.594689] NetLabel: domain hash size = 128 [ 0.595074] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.595299] NetLabel: unlabeled traffic allowed by default [ 0.595889] PCI: Using ACPI for IRQ routing [ 0.604058] clocksource: Switched to clocksource tsc-early [ 1.079443] VFS: Disk quotas dquot_6.6.0 [ 1.079853] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 1.080945] pnp: PnP ACPI init [ 1.082274] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved [ 1.082855] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved [ 1.083456] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved [ 1.084035] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved [ 1.084634] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved [ 1.085234] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved [ 1.085842] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved [ 1.086471] system 00:00: [mem 0xff000000-0xffffffff] has been reserved [ 1.087050] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved [ 1.087648] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved [ 1.089407] system 00:01: [io 0x1800-0x18fe] has been reserved [ 1.090430] system 00:03: [io 0x0900-0x09fe] has been reserved [ 1.091294] system 00:04: [io 0x0200] has been reserved [ 1.091765] system 00:04: [io 0x0204] has been reserved [ 1.092257] system 00:04: [io 0x0800-0x087f] has been reserved [ 1.092778] system 00:04: [io 0x0880-0x08ff] has been reserved [ 1.096336] pnp: PnP ACPI: found 6 devices [ 1.114250] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 1.115152] NET: Registered protocol family 2 [ 1.115735] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 1.118250] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) [ 1.119243] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) [ 1.120162] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) [ 1.122904] TCP: Hash tables configured (established 32768 bind 32768) [ 1.123861] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) [ 1.124832] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.125732] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.126798] NET: Registered protocol family 1 [ 1.128021] RPC: Registered named UNIX socket transport module. [ 1.128599] RPC: Registered udp transport module. [ 1.129016] RPC: Registered tcp transport module. [ 1.129448] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 1.130679] NET: Registered protocol family 44 [ 1.131093] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 1.131572] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 1.132173] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 1.132726] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 1.133348] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 1.133944] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window] [ 1.134556] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window] [ 1.135153] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window] [ 1.135764] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window] [ 1.136385] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window] [ 1.136991] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window] [ 1.137608] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window] [ 1.138227] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window] [ 1.138831] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window] [ 1.139451] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window] [ 1.140057] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window] [ 1.140674] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window] [ 1.141296] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window] [ 1.141900] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window] [ 1.142518] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window] [ 1.143138] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window] [ 1.143756] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window] [ 1.144379] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff] [ 1.145513] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 1.148729] PCI: CLS 64 bytes, default 64 [ 1.149606] Unpacking initramfs... [ 1.484369] Freeing initrd memory: 8224K [ 1.484801] DMAR: Host address width 39 [ 1.485187] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 [ 1.485745] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e [ 1.486487] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff [ 1.487035] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 [ 1.487538] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da [ 1.488345] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.488906] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB) [ 1.489882] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer [ 1.490599] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules [ 1.491100] RAPL PMU: hw unit of domain package 2^-14 Joules [ 1.491641] RAPL PMU: hw unit of domain dram 2^-14 Joules [ 1.492113] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules [ 1.492619] RAPL PMU: hw unit of domain psys 2^-14 Joules [ 1.495198] kvm: already loaded the other module [ 1.522453] check: Scanning for low memory corruption every 60 seconds [ 1.526878] Initialise system trusted keyrings [ 1.527598] workingset: timestamp_bits=56 max_order=20 bucket_order=0 [ 1.552179] NFS: Registering the id_resolver key type [ 1.552693] Key type id_resolver registered [ 1.553094] Key type id_legacy registered [ 1.574281] Key type asymmetric registered [ 1.574679] Asymmetric key parser 'x509' registered [ 1.575165] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 1.575848] io scheduler mq-deadline registered [ 1.576264] io scheduler kyber registered [ 1.576872] test_firmware: interface ready [ 1.579140] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120 [ 1.581247] ACPI: AC Adapter [AC] (on-line) [ 1.582081] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0 [ 1.583909] ACPI: Lid Switch [LID0] [ 1.584565] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 [ 1.585509] ACPI: Power Button [PWRF] [ 1.586406] ACPI: \_PR_.CP00: Found 3 idle states [ 1.587690] ACPI: \_PR_.CP01: Found 3 idle states [ 1.588844] ACPI: \_PR_.CP02: Found 3 idle states [ 1.589979] ACPI: \_PR_.CP03: Found 3 idle states [ 1.591709] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.596096] hpet_acpi_add: no address or irqs in _CRS [ 1.596909] Non-volatile memory driver v1.3 [ 1.597515] Linux agpgart interface v0.103 [ 1.598128] battery: ACPI: Battery Slot [BAT0] (battery present) [ 1.601404] i915 0000:00:02.0: vgaarb: deactivate vga console [ 1.654787] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 1.656164] i915 0000:00:02.0: Direct firmware load for i915/kbl_dmc_ver1_04.bin failed with error -2 [ 1.657124] i915 0000:00:02.0: [drm] Failed to load DMC firmware i915/kbl_dmc_ver1_04.bin. Disabling runtime power management. [ 1.658347] i915 0000:00:02.0: [drm] DMC firmware homepage: https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915 [ 1.694282] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 [ 1.698856] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 [ 1.721513] loop: module loaded [ 1.722884] lkdtm: No crash points registered, enable through debugfs [ 1.754011] printk: console [ttyS0] disabled [ 1.755535] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A [ 2.569345] tsc: Refined TSC clocksource calibration: 1607.999 MHz [ 2.578001] printk: console [ttyS0] enabled [ 2.585298] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172da94f0e2, max_idle_ns: 440795278248 ns [ 2.625050] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A [ 5.199382] clocksource: Switched to clocksource tsc [ 5.199583] fbcon: i915drmfb (fb0) is primary device [ 5.203121] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO [ 5.213896] e100: Intel(R) PRO/100 Network Driver [ 5.213901] e100: Copyright(c) 1999-2006 Intel Corporation [ 5.213981] e1000: Intel(R) PRO/1000 Network Driver [ 5.213984] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 5.214083] e1000e: Intel(R) PRO/1000 Network Driver [ 5.214086] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 5.214190] sky2: driver version 1.30 [ 5.215049] usbcore: registered new interface driver r8152 [ 5.215181] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2 [ 5.215806] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 5.215830] ehci-pci: EHCI PCI platform driver [ 5.215911] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 5.215931] ohci-pci: OHCI PCI platform driver [ 5.216005] uhci_hcd: USB Universal Host Controller Interface driver [ 5.217918] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 5.219272] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 [ 5.220907] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 [ 5.221029] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported [ 5.225180] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 5.225257] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 5.225262] usb usb1: Product: xHCI Host Controller [ 5.225267] usb usb1: Manufacturer: Linux 5.10.145-cip17 xhci-hcd [ 5.225271] usb usb1: SerialNumber: 0000:00:14.0 [ 5.228569] hub 1-0:1.0: USB hub found [ 5.228845] hub 1-0:1.0: 12 ports detected [ 5.229411] Console: switching to colour frame buffer device 240x67 [ 5.235913] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 5.236768] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 [ 5.236782] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed [ 5.237444] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 [ 5.237474] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 5.237479] usb usb2: Product: xHCI Host Controller [ 5.237505] usb usb2: Manufacturer: Linux 5.10.145-cip17 xhci-hcd [ 5.237512] usb usb2: SerialNumber: 0000:00:14.0 [ 5.239910] hub 2-0:1.0: USB hub found [ 5.240087] hub 2-0:1.0: 6 ports detected [ 5.241524] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0) [ 5.244130] usbcore: registered new interface driver usblp [ 5.244292] usbcore: registered new interface driver usb-storage [ 5.245061] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers [ 5.245356] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 [ 5.245361] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp [ 5.246290] i8042: Warning: Keylock active [ 5.246617] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 5.252172] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device [ 5.569829] rtc_cmos 00:02: RTC can wake from S4 [ 5.577367] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 [ 5.577979] rtc_cmos 00:02: registered as rtc0 [ 5.592410] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram [ 5.600977] i801_smbus 0000:00:1f.4: SPD Write Disable is set [ 5.607519] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt [ 5.615364] i2c i2c-9: 2/2 memory slots populated (from DMI) [ 5.624628] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com [ 5.634181] intel_pstate: Intel P-state driver initializing [ 5.641624] intel_pstate: HWP enabled [ 5.645786] sdhci: Secure Digital Host Controller Interface driver [ 5.652718] sdhci: Copyright(c) Pierre Ossman [ 5.657657] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21) [ 5.667475] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit [ 5.675696] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.686044] hid: raw HID events driver (C) Jiri Kosina [ 5.692418] usbcore: registered new interface driver usbhid [ 5.698652] usbhid: USB HID core driver [ 5.703397] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3 [ 5.721573] cros_ec_lpcs GOOG0004:00: Chrome EC device registered [ 5.729492] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100 [ 5.740956] netem: version 1.3 [ 5.744533] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 5.751024] gre: GRE over IPv4 demultiplexor driver [ 5.756491] ip_gre: GRE over IPv4 tunneling driver [ 5.762832] IPv4 over IPsec tunneling driver [ 5.767982] Initializing XFRM netlink socket [ 5.773487] NET: Registered protocol family 10 [ 5.775879] tpm_tis_spi spi-PRP0001:00: Cr50 firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_B:0.5.5/cr50_v1.9308_87_mp.479-d7 [ 5.779490] Segment Routing with IPv6 [ 5.792238] usb 1-3: new full-speed USB device number 2 using xhci_hcd [ 5.796156] ip6_gre: GRE over IPv6 tunneling driver [ 5.805564] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) [ 5.808588] NET: Registered protocol family 17 [ 5.823126] 8021q: 802.1Q VLAN Support v1.8 [ 5.827879] Key type dns_resolver registered [ 5.832547] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up [ 5.840781] microcode: sig=0x806e9, pf=0x10, revision=0x98 [ 5.847007] microcode: Microcode Update Driver: v2.2. [ 5.847034] IPI shorthand broadcast: enabled [ 5.857542] sched_clock: Marking stable (5770461868, 87027840)->(5949019053, -91529345) [ 5.866818] registered taskstats version 1 [ 5.871421] Loading compiled-in X.509 certificates [ 5.879517] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.884560] mmc0: new HS400 MMC card at address 0001 [ 5.889612] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.894043] mmcblk0: mmc0:0001 DA4064 58.2 GiB [ 5.902985] PM: Magic number: 6:682:827 [ 5.906765] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB [ 5.911182] misc hw_random: hash matches [ 5.917922] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB [ 5.928996] printk: console [netcon0] enabled [ 5.929137] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (246:0) [ 5.933909] netconsole: network logging started [ 5.950549] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 [ 5.958667] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 [ 5.967876] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 5.980236] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.993494] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.993818] IP-Config: Failed to open gretap0 [ 6.006663] IP-Config: Failed to open erspan0 [ 6.011565] IP-Config: No network devices available [ 6.017067] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 6.028606] modprobe (100) used greatest stack depth: 14120 bytes left [ 6.031836] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 6.043487] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 6.044347] ALSA device list: [ 6.053171] cfg80211: failed to load regulatory.db [ 6.059275] No soundcards found. [ 6.066126] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console [ 6.073334] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 6.084596] Freeing unused kernel image (initmem) memory: 2036K [ 6.095844] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 [ 6.105128] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6 [ 6.105165] Write protecting the kernel read-only data: 28672k [ 6.113117] usb 2-3: Product: USB 10/100/1000 LAN [ 6.113122] usb 2-3: Manufacturer: Realtek [ 6.129510] usb 2-3: SerialNumber: 001000001 [ 6.134801] Freeing unused kernel image (text/rodata gap) memory: 2028K [ 6.136855] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.150764] Freeing unused kernel image (rodata/data gap) memory: 1384K [ 6.158336] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u1 [ 6.179787] systemd-udevd (122) used greatest stack depth: 13800 bytes left [ 6.209266] usb 1-9: new high-speed USB device number 3 using xhci_hcd [ 6.236482] udevadm (124) used greatest stack depth: 13576 bytes left [ 6.369490] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07 [ 6.378669] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2 [ 6.386678] usb 1-9: Product: USB2.0 HD UVC WebCam [ 6.392059] usb 1-9: Manufacturer: Azurewave [ 6.396859] usb 1-9: SerialNumber: 0x0001 [ 6.402307] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. [ 6.409722] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.421712] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.441190] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.460192] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 6.501620] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.512442] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.516053] r8152 2-3:1.0: load rtl8153b-2 v1 10/23/19 successfully [ 6.529028] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.544827] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.555600] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.588371] r8152 2-3:1.0 eth0: v1.11.11 [ 6.593233] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.601354] r8152 2-3:1.0 enx00e04c680a98: renamed from eth0 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: enx00e04c680a98 hardware address 00:e0:4c:68:0a:98 mtu 1500 DHCP 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: no response after 2 secs - giving up IP-Config: enx00e04c680a98 hardware address 00:e0:4c:68:0a:98 mtu 1500 DHCP 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 [ 8.350186] IPv6: ADDRCONF(NETDEV_CHANGE): enx00e04c680a98: link becomes ready [ 8.359161] r8152 2-3:1.0 enx00e04c680a98: carrier on IP-Config: enx00e04c680a98 complete (dhcp from 192.168.201.1): address: 192.168.201.18 broadcast: 192.168.201.255 netmask: 255.255.255.0 gateway: 192.168.201.1 dns0 : 192.168.201.1 dns1 : 0.0.0.0 host : asus-C433TA-AJ0005-rammus-cbg-2 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : [ 9.422292] nfsmount (164) used greatest stack depth: 12688 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 [ 10.553187] systemd[1]: systemd 247.3-7+deb11u1 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) [ 10.591497] systemd[1]: Detected architecture x86-64. Welcome to [1mDebian GNU/Linux 11 (bullseye)[0m! [ 10.618907] systemd[1]: Set hostname to . [ 11.054532] systemd[1]: Queued start job for default target Graphical Interface. [ 11.065801] systemd[1]: Created slice system-getty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-getty.slice[0m. [ 11.081884] systemd[1]: Created slice system-modprobe.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-modprobe.slice[0m. [ 11.097901] systemd[1]: Created slice system-serial\x2dgetty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-serial\x2dgetty.slice[0m. [ 11.114864] systemd[1]: Created slice User and Session Slice. [[0;32m OK [0m] Created slice [0;1;39mUser and Session Slice[0m. [ 11.130813] 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. [ 11.149652] 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. [ 11.171466] 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. [ 11.194622] systemd[1]: Reached target Local Encrypted Volumes. [[0;32m OK [0m] Reached target [0;1;39mLocal Encrypted Volumes[0m. [ 11.210508] systemd[1]: Reached target Paths. [[0;32m OK [0m] Reached target [0;1;39mPaths[0m. [ 11.221479] systemd[1]: Reached target Remote File Systems. [[0;32m OK [0m] Reached target [0;1;39mRemote File Systems[0m. [ 11.237526] systemd[1]: Reached target Slices. [[0;32m OK [0m] Reached target [0;1;39mSlices[0m. [ 11.248472] systemd[1]: Reached target Swap. [[0;32m OK [0m] Reached target [0;1;39mSwap[0m. [ 11.259787] systemd[1]: Listening on initctl Compatibility Named Pipe. [[0;32m OK [0m] Listening on [0;1;39minitctl Compatibility Named Pipe[0m. [ 11.277430] systemd[1]: Listening on Journal Audit Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Audit Socket[0m. [ 11.294416] systemd[1]: Listening on Journal Socket (/dev/log). [[0;32m OK [0m] Listening on [0;1;39mJournal Socket (/dev/log)[0m. [ 11.310983] systemd[1]: Listening on Journal Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Socket[0m. [ 11.326449] systemd[1]: Listening on Network Service Netlink Socket. [[0;32m OK [0m] Listening on [0;1;39mNetwork Service Netlink Socket[0m. [ 11.345551] systemd[1]: Listening on udev Control Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Control Socket[0m. [ 11.361886] systemd[1]: Listening on udev Kernel Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Kernel Socket[0m. [ 11.379388] systemd[1]: Mounting Huge Pages File System... Mounting [0;1;39mHuge Pages File System[0m... [ 11.395906] systemd[1]: Mounting POSIX Message Queue File System... Mounting [0;1;39mPOSIX Message Queue File System[0m... [ 11.414742] systemd[1]: Mounting Kernel Debug File System... Mounting [0;1;39mKernel Debug File System[0m... [ 11.431853] systemd[1]: Mounting Kernel Trace File System... Mounting [0;1;39mKernel Trace File System[0m... [ 11.447423] 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... [ 11.469365] systemd[1]: Starting Load Kernel Module configfs... Starting [0;1;39mLoad Kernel Module configfs[0m... [ 11.486183] systemd[1]: Starting Load Kernel Module drm... Starting [0;1;39mLoad Kernel Module drm[0m... [ 11.502205] systemd[1]: Starting Load Kernel Module fuse... Starting [0;1;39mLoad Kernel Module fuse[0m... [ 11.541256] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 11.551912] fuse: init (API version 7.32) [ 11.558317] systemd[1]: Starting Journal Service... Starting [0;1;39mJournal Service[0m... [ 11.573504] systemd[1]: Starting Load Kernel Modules... Starting [0;1;39mLoad Kernel Modules[0m... [ 11.587348] systemd[1]: Starting Remount Root and Kernel File Systems... Starting [0;1;39mRemount Root and Kernel File Systems[0m... [ 11.606866] systemd[1]: Starting Coldplug All udev Devices... Starting [0;1;39mColdplug All udev Devices[0m... [ 11.625881] systemd[1]: Mounted Huge Pages File System. [[0;32m OK [0m] Mounted [0;1;39mHuge Pages File System[0m. [ 11.641846] systemd[1]: Mounted POSIX Message Queue File System. [[0;32m OK [0m] Mounted [0;1;39mPOSIX Message Queue File System[0m. [ 11.658624] systemd[1]: Mounted Kernel Debug File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Debug File System[0m. [ 11.673568] systemd[1]: Mounted Kernel Trace File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Trace File System[0m. [ 11.690498] 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. [ 11.712317] systemd[1]: modprobe@configfs.service: Succeeded. [ 11.719348] systemd[1]: Finished Load Kernel Module configfs. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module configfs[0m. [ 11.735339] systemd[1]: modprobe@drm.service: Succeeded. [ 11.742179] systemd[1]: Finished Load Kernel Module drm. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module drm[0m. [ 11.758324] systemd[1]: modprobe@fuse.service: Succeeded. [ 11.765174] systemd[1]: Finished Load Kernel Module fuse. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module fuse[0m. [ 11.781508] systemd[1]: Finished Load Kernel Modules. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Modules[0m. [ 11.797153] systemd[1]: Finished Remount Root and Kernel File Systems. [[0;32m OK [0m] Finished [0;1;39mRemount Root and Kernel File Systems[0m. [ 11.814847] systemd[1]: Started Journal Service. [[0;32m OK [0m] Started [0;1;39mJournal Service[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... [ 11.890196] systemd-journald[201]: Received client request to flush runtime journal. Starting [0;1;39mCreate System Users[0m... [[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;39mColdplug All udev Devices[0m. [[0;32m OK [0m] Finished [0;1;39mApply Kernel Variables[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. [ 13.435211] systemd-tmpfile (213) 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] Finished [0;1;39mRemove Stale Onli…ext4 Metadata Check Snapshots[0m. [[0;32m OK [0m] Started [0;1;39mUser Login Management[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 5.10.145-cip17 #1 SMP Tue Sep 27 07:56:56 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/7418966/extract-nfsrootfs-2pvgrsr5' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/7418966/extract-nfsrootfs-2pvgrsr5' / # 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-7418966/environment . /lava-7418966/environment / # /lava-7418966/bin/lava-test-runner /lava-7418966/0 /lava-7418966/bin/lava-test-runner /lava-7418966/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-7418966/0/tests/0_timesync-off ++ cat uuid + UUID=7418966_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-7418966/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=7418966_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/v5.10.145-cip17/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-7418966/0/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. --2022-09-27 08:49:56-- http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.145-cip17/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: 3540940 (3.4M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 50.15K 172KB/s kselftest.tar.xz 6%[> ] 217.50K 368KB/s kselftest.tar.xz 25%[====> ] 897.66K 1013KB/s kselftest.tar.xz 39%[======> ] 1.34M 1.08MB/s kselftest.tar.xz 100%[===================>] 3.38M 2.46MB/s in 1.4s 2022-09-27 08:49:58 (2.46 MB/s) - 'kselftest.tar.xz' saved [3540940/3540940] 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 ======================================== [ 46.440918] 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 [ 46.607379] lkdtm: Performing direct entry BUG [ 46.612579] ------------[ cut here ]------------ [ 46.617786] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 46.623668] invalid opcode: 0000 [#1] SMP PTI [ 46.628541] CPU: 3 PID: 725 Comm: cat Tainted: G W 5.10.145-cip17 #1 [ 46.637100] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 46.643909] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 46.648293] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 [ 46.669269] RSP: 0018:ffffa7010147fe60 EFLAGS: 00010286 [ 46.675124] RAX: ffffffffb8ede890 RBX: 0000000000000001 RCX: 0000000000000000 [ 46.683092] RDX: 0000000000000000 RSI: ffff983bbad9bf70 RDI: ffffffffb9b9ae90 [ 46.691065] RBP: ffffffffb9fe60d0 R08: 0000000000000001 R09: 0000000000000001 [ 46.699036] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 46.707006] R13: ffffa7010147ff10 R14: ffffa7010147ff10 R15: ffff983b44f2b000 [ 46.714976] FS: 00007f06fead7580(0000) GS:ffff983bbad80000(0000) knlGS:0000000000000000 [ 46.724016] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.730425] CR2: 00007f06fe8e0000 CR3: 000000010298c004 CR4: 00000000003706e0 [ 46.738395] Call Trace: [ 46.741123] direct_entry.cold+0x2c/0x38 [ 46.745503] full_proxy_write+0x53/0x80 [ 46.749792] vfs_write+0xe7/0x3a0 [ 46.753490] ksys_write+0x68/0xf0 [ 46.757190] do_syscall_64+0x30/0x40 [ 46.761179] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 46.766818] RIP: 0033:0x7f06fe9ed8f3 [ 46.770805] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 46.791792] RSP: 002b:00007fff96c3e808 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 46.800251] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f06fe9ed8f3 [ 46.808240] RDX: 0000000000000004 RSI: 00007f06fe8e0000 RDI: 0000000000000001 [ 46.816211] RBP: 00007f06fe8e0000 R08: 00007f06fe8df010 R09: 0000000000000000 [ 46.824183] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 46.832153] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 46.840126] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 46.866578] ---[ end trace f45534a0bbd3613e ]--- [ 46.871769] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 46.876151] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 [ 46.897145] RSP: 0018:ffffa7010147fe60 EFLAGS: 00010286 [ 46.903012] RAX: ffffffffb8ede890 RBX: 0000000000000001 RCX: 0000000000000000 [ 46.911014] RDX: 0000000000000000 RSI: ffff983bbad9bf70 RDI: ffffffffb9b9ae90 [ 46.919017] RBP: ffffffffb9fe60d0 R08: 0000000000000001 R09: 0000000000000001 [ 46.927020] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 46.935025] R13: ffffa7010147ff10 R14: ffffa7010147ff10 R15: ffff983b44f2b000 [ 46.943052] FS: 00007f06fead7580(0000) GS:ffff983bbad80000(0000) knlGS:0000000000000000 [ 46.952104] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.958552] CR2: 00007f06fe8e0000 CR3: 000000010298c004 CR4: 00000000003706e0 # Segmentation fault # [ 46.607379] lkdtm: Performing direct entry BUG # [ 46.612579] ------------[ cut here ]------------ # [ 46.617786] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 46.623668] invalid opcode: 0000 [#1] SMP PTI # [ 46.628541] CPU: 3 PID: 725 Comm: cat Tainted: G W 5.10.145-cip17 #1 # [ 46.637100] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 46.643909] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 46.648293] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 # [ 46.669269] RSP: 0018:ffffa7010147fe60 EFLAGS: 00010286 # [ 46.675124] RAX: ffffffffb8ede890 RBX: 0000000000000001 RCX: 0000000000000000 # [ 46.683092] RDX: 0000000000000000 RSI: ffff983bbad9bf70 RDI: ffffffffb9b9ae90 # [ 46.691065] RBP: ffffffffb9fe60d0 R08: 0000000000000001 R09: 0000000000000001 # [ 46.699036] R10: 00000000ffffe000 R11: 3fffff[ 47.074563] lkdtm: Performing direct entry WARNING ffffffffff R12: 0000000000000004 # [ 46.707006] R13: ffffa701[ 47.084810] ------------[ cut here ]------------ 0147ff10 R14: ffffa7010147ff10 R15: ffff983b44f2b000 # [ 46.7[ 47.096190] WARNING: CPU: 0 PID: 761 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 14976] FS: 00007f06fead7580(0000) GS:ffff983bbad80000(0000) knl[ 47.111847] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify GS:0000000000000000 # [ 46.724016] CS: 0010 DS: 0000 ES: 000[ 47.144503] CPU: 0 PID: 761 Comm: cat Tainted: G D W 5.10.145-cip17 #1 0 CR0: 0000000080050033 # [ 46.730425] CR2: 00007f06fe8e0000 [ 47.159268] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 CR3: 000000010298c004 CR4: 00000000003706e0 # [ 46.738395] Ca[ 47.172306] RIP: 0010:lkdtm_WARNING+0x13/0x20 ll Trace: # [ 46.741123] direct_entry.cold+0x2c/0x38 # [ [ 47.183422] Code: c0 f4 ff ff ff eb c9 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 61 fc 46.745503] full_proxy_write+0x53/0x80 # [ 46.749792] vfs_wr[ 47.210600] RSP: 0018:ffffa701014ffe60 EFLAGS: 00010202 ite+0xe7/0x3a0 # [ 46.753490] ksys_write+0x68/0xf0 # [ 46[ 47.222716] RAX: ffffffffb8ede8a0 RBX: 0000000000000002 RCX: 0000000000000000 .757190] do_syscall_64+0x30/0x40 # [ 46.761179] entry_SYSCA[ 47.236919] RDX: 0000000000000000 RSI: ffff983bbac1bf70 RDI: ffffffffb9b9aea0 LL_64_after_hwframe+0x61/0xc6 # [ 46.766818] RIP: 0033:0x7f06[ 47.251092] RBP: ffffffffb9f8ab0f R08: 0000000000000000 R09: 0000000000000000 fe9ed8f3 # [ 46.770805] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 0[ 47.265358] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 2 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85[ 47.279528] R13: ffffa701014fff10 R14: ffffa701014fff10 R15: ffff983b45aec000 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1[ 47.293659] FS: 00007f05bf7d2580(0000) GS:ffff983bbac00000(0000) knlGS:0000000000000000 f 40 00 48 83 ec 28 48 89 54 24 18 # [ 46.791792] RSP: 002b:0[ 47.308911] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0007fff96c3e808 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [[ 47.321544] CR2: 00007f05bf5db000 CR3: 0000000104060006 CR4: 00000000003706f0 46.800251] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0[ 47.335723] Call Trace: 0007f06fe9ed8f3 # [ 46.808240] RDX: 0000000000000004 RSI: 000[ 47.344677] direct_entry.cold+0x2c/0x38 07f06fe8e0000 RDI: 0000000000000001 # [ 46.816211] RBP: 00007[ 47.355283] full_proxy_write+0x53/0x80 f06fe8e0000 R08: 00007f06fe8df010 R09: 0000000000000000 # [ 4[ 47.365788] vfs_write+0xe7/0x3a0 6.824183] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 00000[ 47.375705] ksys_write+0x68/0xf0 00000000001 # [ 46.832153] R13: 0000000000000001 R14: 0000000[ 47.385622] do_syscall_64+0x30/0x40 000020000 R15: 0000000000020000 # [ 46.840126] Modules linked[ 47.395842] entry_SYSCALL_64_after_hwframe+0x61/0xc6 in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industr[ 47.407698] RIP: 0033:0x7f05bf6e88f3 ialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros[ 47.417901] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 _ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x[ 47.445109] RSP: 002b:00007fff77cbc008 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 46.8665[ 47.459775] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f05bf6e88f3 78] ---[ end trace f45534a0bbd3613e ]--- # [ 46.871769] RIP: [ 47.474006] RDX: 0000000000000008 RSI: 00007f05bf5db000 RDI: 0000000000000001 0010:lkdtm_BUG+0x5/0x10 # [ 46.876151] Code: 89 ff e8 2e b6 a[ 47.488183] RBP: 00007f05bf5db000 R08: 00007f05bf5da010 R09: 0000000000000000 3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc[ 47.502387] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 8[ 47.516566] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 4 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 # [ 46.8971[ 47.530802] irq event stamp: 0 45] RSP: 0018:ffffa7010147fe60 EFLAGS: 00010286 # [ 46.903012[ 47.540420] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ] RAX: ffffffffb8ede890 RBX: 0000000000000001 RCX: 0000000000000[ 47.553606] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 000 # [ 46.911014] RDX: 0000000000000000 RSI: ffff983bbad9bf7[ 47.569026] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 0 RDI: ffffffffb9b9ae90 # [ 46.919017] RBP: ffffffffb9fe60d0 [ 47.584368] softirqs last disabled at (0): [<0000000000000000>] 0x0 R08: 0000000000000001 R09: 0000000000000001 # [ 46.927020] R1[ 47.597626] ---[ end trace f45534a0bbd3613f ]--- 0: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 46.935025] R13: ffffa7010147ff10 R14: ffffa7010147ff10 R15: ffff983b44f2b000 # [ 46.943052] FS: 00007f06fead7580(0000) GS:ffff983bbad80000(0000) knlGS:0000000000000000 # [ 46.952104] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.958552] CR2: 00007f06fe8e0000 CR3: 000000010298c004 CR4: 00000000003706e0 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 47.074563] lkdtm: Performing direct entry WARNING # [ 47.084810] ------------[ cut here ]------------ # [ 47.096190] WARNING: CPU: 0 PID: 761 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 # [ 47.111847] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 47.144503] CPU: 0 PID: 761 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 47.159268] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 47.172306] RIP: 0010:lkdtm_WARNING+0x13/0x20 # [ 47.183422] Code: c0 [ 47.723552] lkdtm: Performing direct entry WARNING_MESSAGE f4 ff ff ff eb c9 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 0[ 47.733199] ------------[ cut here ]------------ 0 0f 1f 44 00 00 83 05 80 fc 93 02 01 75 05 c3 cc cc cc cc <0f> [ 47.744576] Warning message trigger count: 2 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 61 fc [ 47.755591] WARNING: CPU: 1 PID: 796 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 47.210600] RSP: 0018:ffffa701014ffe60 EFLAGS: 00010202 # [ 47.771983] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 47.222716] RAX: ffffffffb8ede8a0 RBX: 0000000000000002 RCX: [ 47.804628] CPU: 1 PID: 796 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 47.819400] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 0000000000000000 # [ 47.236919] RDX: 0000000000000000 RSI: ff[ 47.826213] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 ff983bbac1bf70 RDI: ffffffffb9b9aea0 # [ 47.251092] RBP: ffff[ 47.838068] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 61 fc 93 02 48 c7 c7 70 b0 f8 b9 8d 70 01 89 35 51 fc 93 02 e8 2b 3f 66 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 ffffb9f8ab0f R08: 0000000000000000 R09: 0000000000000000 # [ [ 47.865293] RSP: 0018:ffffa7010157fe60 EFLAGS: 00010286 [ 47.877347] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 47.265358] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000[ 47.885347] RDX: ffff983bbacac660 RSI: ffff983bbac9bf70 RDI: ffff983bbac9bf70 [ 47.899529] RBP: ffffffffb9f8ab17 R08: 0000000000000000 R09: 0000000000000000 000000000008 # [ 47.279528] R13: ffffa701014fff10 R14: ffffa7[ 47.907504] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 [ 47.921687] R13: ffffa7010157ff10 R14: ffffa7010157ff10 R15: ffff983b44f2e000 01014fff10 R15: ffff983b45aec000 # [ 47.293659] FS: 00007f05[ 47.929664] FS: 00007f680bfad580(0000) GS:ffff983bbac80000(0000) knlGS:0000000000000000 bf7d2580(0000) GS:ffff983bbac00000(0000) knlGS:0000000000000000[ 47.944921] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.957554] CR2: 00007f680bdb6000 CR3: 0000000102c96003 CR4: 00000000003706e0 # [ 47.308911] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050[ 47.965528] Call Trace: 033 # [ 47.321544] CR2: 00007f05bf5db000 CR3: 000000010406000[ 47.974470] direct_entry.cold+0x2c/0x38 6 CR4: 00000000003706f0 # [ 47.335723] Call Trace: # [ 47.[ 47.985069] full_proxy_write+0x53/0x80 344677] direct_entry.cold+0x2c/0x38 # [ 47.355283] full_pro[ 47.995568] vfs_write+0xe7/0x3a0 xy_write+0x53/0x80 # [ 47.365788] vfs_write+0xe7/0x3a0 # [ [ 48.005508] ksys_write+0x68/0xf0 47.375705] ksys_write+0x68/0xf0 # [ 47.385622] do_syscall[ 48.015435] do_syscall_64+0x30/0x40 _64+0x30/0x40 # [ 47.395842] entry_SYSCALL_64_after_hwframe+[ 48.025642] entry_SYSCALL_64_after_hwframe+0x61/0xc6 0x61/0xc6 # [ 47.407698] RIP: 0033:0x7f05bf6e88f3 # [ 47.4[ 48.037501] RIP: 0033:0x7f680bec38f3 17901] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff [ 48.047709] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 0[ 48.074920] RSP: 002b:00007ffceb178028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 0 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 [ 48.089612] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f680bec38f3 [ 48.103780] RDX: 0000000000000010 RSI: 00007f680bdb6000 RDI: 0000000000000001 48 89 54 24 18 # [ 47.445109] RSP: 002b:00007fff77cbc008 EFLA[ 48.111753] RBP: 00007f680bdb6000 R08: 00007f680bdb5010 R09: 0000000000000000 [ 48.125938] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 GS: 00000246 ORIG_RAX: 0000000000000001 # [ 47.459775] RAX: f[ 48.133913] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 fffffffffffffda RBX: 0000000000000008 RCX: 00007f05bf6e88f3 # [[ 48.148120] irq event stamp: 0 [ 48.157725] hardirqs last enabled at (0): [<0000000000000000>] 0x0 47.474006] RDX: 0000000000000008 RSI: 00007f05bf5db000 RDI: 0[ 48.164732] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 48.180081] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 000000000000001 # [ 47.488183] RBP: 00007f05bf5db000 R08: 000[ 48.189245] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 48.202456] ---[ end trace f45534a0bbd36140 ]--- 07f05bf5da010 R09: 0000000000000000 # [ 47.502387] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 47.516566] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 47.530802] irq event stamp: 0 # [ 47.540420] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 47.553606] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 47.569026] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 47.584368] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 47.597626] ---[ end trace f45534a0bbd3613f ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 47.723552] lkdtm: P[ 48.281902] lkdtm: Performing direct entry EXCEPTION [ 48.287754] BUG: kernel NULL pointer dereference, address: 0000000000000000 erforming direct entry WARNING_MESSAGE # [ 47.733199] -------[ 48.295538] #PF: supervisor write access in kernel mode [ 48.307587] #PF: error_code(0x0002) - not-present page [ 48.313321] PGD 0 P4D 0 [ 48.316146] Oops: 0002 [#2] SMP PTI [ 48.320036] CPU: 3 PID: 828 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 48.328587] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 48.335394] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 [ 48.340352] Code: 48 c7 c7 70 b0 f8 b9 8d 70 01 89 35 51 fc 93 02 e8 2b 3f 66 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 [ 48.361331] RSP: 0018:ffffa701015bfe60 EFLAGS: 00010286 [ 48.367163] RAX: ffffffffb8ede8f0 RBX: 0000000000000004 RCX: 0000000000000000 [ 48.375132] RDX: 0000000000000000 RSI: ffff983bbad9bf70 RDI: ffffffffb9b9aec0 [ 48.383102] RBP: ffffffffb9ebffe7 R08: 0000000000000000 R09: 0000000000000000 [ 48.391070] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 48.399038] R13: ffffa701015bff10 R14: ffffa701015bff10 R15: ffff983b441ed000 [ 48.407006] FS: 00007f81936a5580(0000) GS:ffff983bbad80000(0000) knlGS:0000000000000000 [ 48.416042] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.422456] CR2: 0000000000000000 CR3: 0000000100dde001 CR4: 00000000003706e0 [ 48.430425] Call Trace: [ 48.433154] direct_entry.cold+0x2c/0x38 [ 48.437533] full_proxy_write+0x53/0x80 [ 48.441812] vfs_write+0xe7/0x3a0 [ 48.445500] ksys_write+0x68/0xf0 [ 48.449198] do_syscall_64+0x30/0x40 [ 48.453178] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 48.458820] RIP: 0033:0x7f81935bb8f3 [ 48.462807] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 48.483788] RSP: 002b:00007ffc14cc7ba8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.492244] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f81935bb8f3 [ 48.500204] RDX: 000000000000000a RSI: 00007f81934ae000 RDI: 0000000000000001 [ 48.508173] RBP: 00007f81934ae000 R08: 00007f81934ad010 R09: 0000000000000000 [ 48.516142] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 48.524111] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 -----[ cut here ]------------ # [ 47.744576] Warning message [ 48.532089] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 48.564724] CR2: 0000000000000000 [ 48.568421] ---[ end trace f45534a0bbd36141 ]--- [ 48.573575] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 48.577951] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 [ 48.598934] RSP: 0018:ffffa7010147fe60 EFLAGS: 00010286 [ 48.604769] RAX: ffffffffb8ede890 RBX: 0000000000000001 RCX: 0000000000000000 [ 48.612738] RDX: 0000000000000000 RSI: ffff983bbad9bf70 RDI: ffffffffb9b9ae90 [ 48.620707] RBP: ffffffffb9fe60d0 R08: 0000000000000001 R09: 0000000000000001 [ 48.628676] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 48.636645] R13: ffffa7010147ff10 R14: ffffa7010147ff10 R15: ffff983b44f2b000 [ 48.644615] FS: 00007f81936a5580(0000) GS:ffff983bbad80000(0000) knlGS:0000000000000000 [ 48.653650] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.660066] CR2: 0000000000000000 CR3: 0000000100dde001 CR4: 00000000003706e0 [ 48.668036] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 48.677946] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 828, name: cat [ 48.686302] INFO: lockdep is turned off. [ 48.690678] irq event stamp: 0 [ 48.694082] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 48.701080] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 48.710206] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 48.719339] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 48.726339] CPU: 3 PID: 828 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 48.734890] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 48.741694] Call Trace: [ 48.744420] dump_stack+0x77/0x9b [ 48.748109] ___might_sleep.cold+0xa6/0xb6 [ 48.752673] exit_signals+0x1c/0x2e0 [ 48.756660] do_exit+0xd5/0xb00 [ 48.760162] ? ksys_write+0x68/0xf0 [ 48.764046] rewind_stack_do_exit+0x17/0x20 [ 48.768714] RIP: 0033:0x7f81935bb8f3 [ 48.772693] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 48.793674] RSP: 002b:00007ffc14cc7ba8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.802128] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f81935bb8f3 [ 48.810098] RDX: 000000000000000a RSI: 00007f81934ae000 RDI: 0000000000000001 [ 48.818068] RBP: 00007f81934ae000 R08: 00007f81934ad010 R09: 0000000000000000 [ 48.826035] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 48.834003] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 trigger count: 2 # [ 47.755591] WARNING: CPU: 1 PID: 796 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 47.771983] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 47.804628] CPU: 1 PID: 796 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 47.819400] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 47.826213] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 47.838068] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 61 fc 93 02 48 c7 c7 70 b0 f8 b9 8d 70 01 89 35 51 fc 93 02 e8 2b 3f 66 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 47.865293] RSP: 0018:ffffa7010157fe60 EFLAGS: 00010286 # [ 47.877347] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 47.885347] RDX: ffff983bbacac660 RSI: ffff983bbac9bf70 RDI: ffff983bbac9bf70 # [ 47.899529] RBP: ffffffffb9f8ab17 R08: 0000000000000000 R09: 0000000000000000 # [ 47.907504] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 47.921687] R13: ffffa7010157ff10 R14: ffffa7010157ff10 R15: ffff983b44f2e000 # [ 47.929664] FS: 00007f680bfad580(0000) GS:ffff983bbac80000(0000) knlGS:0000000000000000 # [ 47.944921] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.957554] CR2: 00007f680bdb6000 CR3: 0000000102c96003 CR4: 00000000003706e0 # [ 47.965528] Call Trace: # [ 47.974470] direct_entry.cold+0x2c/0x38 # [ 47.985069] full_proxy_write+0x53/0x80 # [ 47.995568] vfs_write+0xe7/0x3a0 # [ 48.005508] ksys_write+0x68/0xf0 # [ 48.015435] do_syscall_64+0x30/0x40 # [ 48.025642] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 48.037501] RIP: 0033:0x7f680bec38f3 # [ 48.047709] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 48.074920] RSP: 002b:00007ffceb178028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.089612][ 49.054950] lkdtm: Performing direct entry CORRUPT_LIST_ADD RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f680bec38[ 49.065766] lkdtm: attempting good list addition f3 # [ 48.103780] RDX: 0000000000000010 RSI: 00007f680bdb6000[ 49.077139] lkdtm: attempting corrupted list addition RDI: 0000000000000001 # [ 48.111753] RBP: 00007f680bdb6000 R[ 49.089001] lkdtm: list_add() corruption not detected! 08: 00007f680bdb5010 R09: 0000000000000000 # [ 48.125938] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 48.133913] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.148120] irq event stamp: 0 # [ 48.157725] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.164732] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 48.180081] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 48.189245] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.202456] ---[ end trace f45534a0bbd36140 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh #[ 49.170657] lkdtm: Performing direct entry CORRUPT_LIST_DEL Killed # [ 48.281902] lkdtm: Performing direct entry EXCEPTI[ 49.181761] lkdtm: attempting good list removal ON # [ 48.287754] BUG: kernel NULL pointer dereference, addre[ 49.193040] lkdtm: attempting corrupted list removal ss: 0000000000000000 # [ 48.295538] #PF: supervisor write acc[ 49.204802] lkdtm: list_del() corruption not detected! ess in kernel mode # [ 48.307587] #PF: error_code(0x0002) - not-present page # [ 48.313321] PGD 0 P4D 0 # [ 48.316146] Oops: 0002 [#2] SMP PTI # [ 48.320036] CPU: 3 PID: 828 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 48.328587] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.335394] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 48.340352] Code: 48 c7 c7 70 b0 f8 b9 8d 70 01 89 35 51 fc 93 02 e8 2b 3f 66 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 # [ 48.361331] RSP: 0018:ffffa701015bfe60 EFLAGS: 00010286 # [ 48.367163] RAX: ffffffffb8ede8f0 RBX: 0000000000000004 RCX: 0000000000000000 # [ 48.375132] RDX: 0000000000000000 RSI: ffff983bbad9bf70 RDI: ffffffffb9b9aec0 # [ 48.383102] RBP: ffffffffb9ebffe7 R08: 0000000000000000 R09: 0000000000000000 # [ 48.391070] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 48.399038] R13: ffffa701015bff10 [ 49.313975] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 49.323204] lkdtm: attempting bad read from page below current stack [ 49.330314] BUG: stack guard page was hit at 00000000e081b6ba (stack is 00000000d92fc2aa..000000006e98d5f0) [ 49.341206] kernel stack overflow (page fault): 0000 [#3] SMP PTI R14: ffffa701015bff10 R15: ffff983b441ed000 # [ 48.407006] FS[ 49.348012] CPU: 2 PID: 1053 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 49.362874] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 49.369678] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a [ 49.376192] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 10 b4 f8 b9 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 cf a0 fd ff 48 c7 c7 50 b4 f8 b9 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 b5 a0 fd ff 0f 1f 44 [ 49.397173] RSP: 0018:ffffa70101937e50 EFLAGS: 00010246 [ 49.403006] RAX: 0000000000000038 RBX: ffffa70101934000 RCX: 0000000000000000 [ 49.410976] RDX: 0000000000000000 RSI: ffff983bbad1bf70 RDI: ffffffffb9f8b450 [ 49.418944] RBP: ffffffffb9f8ab7a R08: 0000000000000000 R09: 0000000000000000 [ 49.426912] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 [ 49.434882] R13: ffffa70101937f10 R14: ffffa70101937f10 R15: ffff983b45a05000 [ 49.442852] FS: 00007f48e1d05580(0000) GS:ffff983bbad00000(0000) knlGS:0000000000000000 [ 49.451887] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.458301] CR2: ffffa70101933fff CR3: 0000000104fc2006 CR4: 00000000003706e0 [ 49.466269] Call Trace: [ 49.469008] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 [ 49.474062] direct_entry.cold+0x2c/0x38 [ 49.478442] full_proxy_write+0x53/0x80 [ 49.482724] vfs_write+0xe7/0x3a0 [ 49.486420] ksys_write+0x68/0xf0 [ 49.490118] do_syscall_64+0x30/0x40 [ 49.494107] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 49.499745] RIP: 0033:0x7f48e1c1b8f3 [ 49.503733] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 49.524713] RSP: 002b:00007ffc73fbdfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.533166] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f48e1c1b8f3 [ 49.541134] RDX: 0000000000000019 RSI: 00007f48e1b0e000 RDI: 0000000000000001 [ 49.549103] RBP: 00007f48e1b0e000 R08: 00007f48e1b0d010 R09: 0000000000000000 [ 49.557073] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 49.565039] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 49.573011] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify : 00007f81936a5580(0000) GS:ffff983bbad80000(0000) knlGS:000000[ 49.599466] ---[ end trace f45534a0bbd36142 ]--- [ 49.610830] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 49.615204] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 [ 49.636187] RSP: 0018:ffffa7010147fe60 EFLAGS: 00010286 [ 49.642021] RAX: ffffffffb8ede890 RBX: 0000000000000001 RCX: 0000000000000000 [ 49.649990] RDX: 0000000000000000 RSI: ffff983bbad9bf70 RDI: ffffffffb9b9ae90 [ 49.657959] RBP: ffffffffb9fe60d0 R08: 0000000000000001 R09: 0000000000000001 [ 49.665927] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 49.673897] R13: ffffa7010147ff10 R14: ffffa7010147ff10 R15: ffff983b44f2b000 [ 49.681865] FS: 00007f48e1d05580(0000) GS:ffff983bbad00000(0000) knlGS:0000000000000000 [ 49.690900] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.697314] CR2: ffffa70101933fff CR3: 0000000104fc2006 CR4: 00000000003706e0 [ 49.705291] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 49.715202] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1053, name: cat [ 49.723653] INFO: lockdep is turned off. [ 49.728029] irq event stamp: 0 [ 49.731433] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 49.738431] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 49.747566] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 49.756700] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 49.763699] CPU: 2 PID: 1053 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 49.772338] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 49.779141] Call Trace: [ 49.781867] dump_stack+0x77/0x9b [ 49.785556] ___might_sleep.cold+0xa6/0xb6 [ 49.790125] exit_signals+0x1c/0x2e0 [ 49.794112] do_exit+0xd5/0xb00 [ 49.797614] ? ksys_write+0x68/0xf0 [ 49.801505] rewind_stack_do_exit+0x17/0x20 [ 49.806172] RIP: 0033:0x7f48e1c1b8f3 [ 49.810158] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 49.831139] RSP: 002b:00007ffc73fbdfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.839585] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f48e1c1b8f3 [ 49.847553] RDX: 0000000000000019 RSI: 00007f48e1b0e000 RDI: 0000000000000001 [ 49.855520] RBP: 00007f48e1b0e000 R08: 00007f48e1b0d010 R09: 0000000000000000 [ 49.863487] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 49.871454] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0000000000 # [ 48.416042] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.422456] CR2: 0000000000000000 CR3: 0000000100dde001 CR4: 00000000003706e0 # [ 48.430425] Call Trace: # [ 48.433154] direct_entry.cold+0x2c/0x38 # [ 48.437533] full_proxy_write+0x53/0x80 # [ 48.441812] vfs_write+0xe7/0x3a0 # [ 48.445500] ksys_write+0x68/0xf0 # [ 48.449198] do_syscall_64+0x30/0x40 # [ 48.453178] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 48.458820] RIP: 0033:0x7f81935bb8f3 # [ 48.462807] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 48.483788] RSP: 002b:00007ffc14cc7ba8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.492244] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f8193[ 49.961532] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING 5bb8f3 # [ 48.500204] RDX: 000000000000000a RSI: 00007f81934a[ 49.973578] lkdtm: attempting bad read from page above current stack e000 RDI: 0000000000000001 # [ 48.508173] RBP: 00007f81934ae0[ 49.986923] BUG: stack guard page was hit at 00000000063440db (stack is 0000000062b0cfbc..00000000a33c1376) [ 50.003978] kernel stack overflow (page fault): 0000 [#4] SMP PTI [ 50.010786] CPU: 0 PID: 1086 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 50.019435] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 50.026243] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d [ 50.032861] Code: a0 fd ff 0f 1f 44 00 00 53 48 c7 c7 88 b4 f8 b9 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 95 a0 fd ff 48 c7 c7 c8 b4 f8 b9 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 78 a0 fd ff [ 50.053845] RSP: 0018:ffffa7010199fe50 EFLAGS: 00010246 [ 50.059680] RAX: 0000000000000038 RBX: ffffa7010199c000 RCX: 0000000000000000 [ 50.067649] RDX: 0000000000000000 RSI: ffff983bbac1bf70 RDI: ffffffffb9f8b4c8 [ 50.075620] RBP: ffffffffb9f8ab93 R08: 0000000000000000 R09: 0000000000000000 [ 50.083582] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a [ 50.091552] R13: ffffa7010199ff10 R14: ffffa7010199ff10 R15: ffff983b458d5000 [ 50.099523] FS: 00007f3425054580(0000) GS:ffff983bbac00000(0000) knlGS:0000000000000000 [ 50.108561] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.114975] CR2: ffffa701019a0000 CR3: 0000000102d12004 CR4: 00000000003706f0 [ 50.122943] Call Trace: [ 50.125672] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a [ 50.131511] direct_entry.cold+0x2c/0x38 [ 50.135891] full_proxy_write+0x53/0x80 [ 50.140180] vfs_write+0xe7/0x3a0 [ 50.143882] ksys_write+0x68/0xf0 [ 50.147574] do_syscall_64+0x30/0x40 [ 50.151570] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 50.157201] RIP: 0033:0x7f3424f6a8f3 [ 50.161190] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 50.182166] RSP: 002b:00007ffcafbe0018 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.190612] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f3424f6a8f3 [ 50.198584] RDX: 000000000000001a RSI: 00007f3424e5d000 RDI: 0000000000000001 [ 50.206555] RBP: 00007f3424e5d000 R08: 00007f3424e5c010 R09: 0000000000000000 [ 50.214524] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 50.222495] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 50.230461] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 50.256906] ---[ end trace f45534a0bbd36143 ]--- [ 50.262061] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 50.266439] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 [ 50.287412] RSP: 0018:ffffa7010147fe60 EFLAGS: 00010286 [ 50.293238] RAX: ffffffffb8ede890 RBX: 0000000000000001 RCX: 0000000000000000 [ 50.301209] RDX: 0000000000000000 RSI: ffff983bbad9bf70 RDI: ffffffffb9b9ae90 [ 50.309180] RBP: ffffffffb9fe60d0 R08: 0000000000000001 R09: 0000000000000001 [ 50.317150] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 50.325119] R13: ffffa7010147ff10 R14: ffffa7010147ff10 R15: ffff983b44f2b000 [ 50.333089] FS: 00007f3425054580(0000) GS:ffff983bbac00000(0000) knlGS:0000000000000000 [ 50.342127] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.348544] CR2: ffffa701019a0000 CR3: 0000000102d12004 CR4: 00000000003706f0 00 R08: 00007f81934ad010 R09: 0000000000000000 # [ 48.516142] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 48.524111] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.532089] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 48.564724] CR2: 0000000000000000 # [ 48.568421] ---[ end trace f45534a0bbd36141 ]--- # [ 48.573575] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 48.577951] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 # [ 48.598934] RSP: 0018:ffffa7010147fe60 EFLAGS: 00010286 # [ 48.604769] RAX: ffffffffb8ede890 RBX: 0000000000000001 RCX: 0000000000000000 # [ 48.612738] RDX: 0000000000000000 RSI: ffff983bbad9bf70 RDI: ffffffffb9b9ae90 # [ 48.620707] RBP: ffffffffb9fe60d0 R08: 0000000000000001 R09: 0000000000000001 # [ 48.628676] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 48.636645] R13: ffffa7010147ff10 R14: ffffa7010147ff10 R15: ffff983b44f2b000 # [ 48.644615] FS: 00007f81936a5580(0000) GS:ffff983bbad80000(0000) knlGS:0000000000000000 # [ 48.653650] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.660066] CR2: 0000000000000000 CR3: 0000000100dde001 CR4: 00000000003706e0 # [ 48.668036] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 48.677946] in_atomic(): 0, irqs_disable[ 50.520109] lkdtm: Performing direct entry UNSET_SMEP [ 50.530058] lkdtm: trying to clear SMEP normally d(): 1, non_block: 0, pid: 828, name: cat # [ 48.686302] INFO[ 50.535234] ------------[ cut here ]------------ [ 50.546600] pinned CR4 bits changed: 0x100000!? [ 50.551712] WARNING: CPU: 3 PID: 1122 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 : lockdep is turned off. # [ 48.690678] irq event stamp: 0 #[ 50.561926] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 50.594562] CPU: 3 PID: 1122 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 50.603232] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 48.694082] hardirqs last enabled at (0): [<000000000000000[ 50.610047] RIP: 0010:native_write_cr4+0x45/0x60 [ 50.621413] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 43 a3 e3 01 00 75 f2 48 c7 c7 28 a0 ec b9 c6 05 33 a3 e3 01 01 e8 c6 e0 e7 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 [ 50.642397] RSP: 0018:ffffa70101a57e48 EFLAGS: 00010286 [ 50.648249] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 [ 50.656212] RDX: ffff983bbadac660 RSI: ffff983bbad9bf70 RDI: ffff983bbad9bf70 [ 50.664211] RBP: ffffffffb9f8abad R08: 0000000000000000 R09: 0000000000000000 [ 50.672182] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 50.680155] R13: ffffa70101a57f10 R14: ffffa70101a57f10 R15: ffff983b42728000 [ 50.688142] FS: 00007f7a7e9a0580(0000) GS:ffff983bbad80000(0000) knlGS:0000000000000000 [ 50.697215] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.703659] CR2: 00007f7a7e7a9000 CR3: 00000001029a6005 CR4: 00000000003706e0 [ 50.711631] Call Trace: [ 50.714360] lkdtm_UNSET_SMEP.cold+0x1d/0x103 [ 50.719250] direct_entry.cold+0x2c/0x38 0>] 0x0 # [ 48.701080] hardirqs last disabled at (0): [ 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 50.776174] RSP: 002b:00007fff4819f728 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.784633] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f7a7e8b68f3 [ 50.792607] RDX: 000000000000000b RSI: 00007f7a7e7a9000 RDI: 0000000000000001 fffb8700cf0>] copy_process+0x640/0x1c80 # [ 48.710206] softir[ 50.800582] RBP: 00007f7a7e7a9000 R08: 00007f7a7e7a8010 R09: 0000000000000000 qs last enabled at (0): [] copy_process+0x640[ 50.814768] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 50.828958] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 50.836967] irq event stamp: 0 [ 50.840408] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 50.847441] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 50.856582] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 50.865773] softirqs last disabled at (0): [<0000000000000000>] 0x0 /0x1c80 # [ 48.719339] softirqs last disabled at (0): [<00000[ 50.872787] ---[ end trace f45534a0bbd36144 ]--- [ 50.884146] lkdtm: ok: SMEP did not get cleared [ 50.889207] lkdtm: trying to clear SMEP with call gadget [ 50.895168] lkdtm: ok: SMEP removal was reverted 00000000000>] 0x0 # [ 48.726339] CPU: 3 PID: 828 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 48.734890] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.741694] Call Trace: # [ 48.744420] dump_stack+0x77/0x9b # [ 48.748109] ___might_sleep.cold+0xa6/0xb6 # [ 48.752673] exit_signals+0x1c/0x2e0 # [ 48.756660] do_exit+0xd5/0xb00 # [ 48.760162] ? ksys_write+0x68/0xf0 # [ 48.764046] rewind_stack_do_exit+0x17/0x20 # [ 48.768714] RIP: 0033:0x7f81935bb8f3 # [ 48.772693] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 48.793674] RSP: 002b:00007ffc14cc7ba8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.[ 50.979744] lkdtm: Performing direct entry DOUBLE_FAULT 802128] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f8[ 50.987021] lkdtm: XFAIL: this test is ia32-only 1935bb8f3 # [ 48.810098] RDX: 000000000000000a RSI: 00007f81934ae000 RDI: 0000000000000001 # [ 48.818068] RBP: 00007f81934ae000 R08: 00007f81934ad010 R09: 0000000000000000 # [ 48.826035] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 48.834003] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXCEPTION: saw 'call trace:': ok ok 5 selftests: lkdtm: EXCEPTION.sh # selftests: lkdtm: LOOP.sh # Skipping LOOP: Hangs the system ok 6 selftests: lkdtm: LOOP.sh # SKIP # selftests: lkdtm: EXHAUST_STACK.sh # Skipping EXHAUST_STACK: Corrupts memory on failure ok 7 selftests: lkdtm: EXHAUST_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK.sh # Skipping CORRUPT_STACK: Crashes entire system on success ok 8 selftests: lkdtm: CORRUPT_STACK.sh # SKIP # selftests: lkdtm: COR[ 51.076648] lkdtm: Performing direct entry CORRUPT_PAC RUPT_STACK_STRONG.sh # Skipping CORRUPT_STACK_STRONG: Crashes e[ 51.084910] lkdtm: XFAIL: this test is arm64-only ntire system on success ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP # selftests: lkdtm: CORRUPT_LIST_ADD.sh # [ 49.054950] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 49.065766] lkdtm: attempting good list addition # [ 49.077139] lkdtm: attempting corrupted list addition # [ 49.089001] 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 # [ 49.170657] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 49.181761] lkdtm: attempting good list removal # [ 49.193040] lkdtm: attempting corrupted list removal # [ 49.204802] lkdtm: list_del() corruption not detected! # CORRUPT_LIST_DEL: missing 'list_del corruption': [FAIL] not ok 11 selftests: lkdtm: CORRUPT_LIST_DEL.sh # exit=1 # selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # Segmentation fault # [ 49.31[ 51.187041] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE 3975] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING #[ 51.196805] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS [ 49.323204] lkdtm: attempting bad read from page below current stack # [ 49.330314] BUG: stack guard page was hit at 00000000e081b6ba (stack is 00000000d92fc2aa..000000006e98d5f0) # [ 49.341206] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 49.348012] CPU: 2 PID: 1053 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 49.362874] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.369678] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 49.376192] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 10 b4 f8 b9 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 cf a0 fd ff 48 c7 c7 50 b4 f8 b9 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 b5 a0 fd ff 0f 1f 44 # [ 49.397173] RSP: 0018:ffffa70101937e50 EFLAGS: 00010246 # [ 49.403006] RAX: 0000000000000038 RBX: ffffa70101934000 RCX: 0000000000000000 # [ 49.410976] RDX: 0000000000000000 RSI: ffff983bbad1bf70 RDI: ffffffffb9f8b450 # [ 49.418944] RBP: ffffffffb9f8ab7a R08: 0000000000000000 R09: 0000000000000000 # [ 49.426912] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 49.434882] R13: ffffa70101937f10 R14: ffffa70101937f10 R15: ffff983b45a05000 # [ 49.442852] FS: 00007f48e1d05580(0000) GS:ffff983bbad00000(0000) knlGS:0000000000000000 # [ 49.451887] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000[ 51.339009] lkdtm: Performing direct entry READ_AFTER_FREE [ 51.347251] lkdtm: Value in memory before free: 12345678 [ 51.353192] lkdtm: Attempting bad read from freed memory [ 51.359129] lkdtm: Memory was not poisoned 080050033 # [ 49.458301] CR2: ffffa70101933fff CR3: 0000000104fc2006 CR4: 00000000003706e0 # [ 49.466269] Call Trace: # [ 49.469008] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 # [ 49.474062] direct_entry.cold+0x2c/0x38 # [ 49.478442] full_proxy_write+0x53/0x80 # [ 49.482724] vfs_write+0xe7/0x3a0 # [ 49.486420] ksys_write+0x68/0xf0 # [ 49.490118] do_syscall_64+0x30/0x40 # [ 49.494107] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 49.499745] RIP: 0033:0x7f48e1c1b8f3 # [ 49.503733] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 49.524713] RSP: 002b:00007ffc73fbdfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.533166] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f48e1c1b8f3 # [ 49.541134] RDX: 0000000000000019 RSI: 00007f48e1b0e000 RDI: 0000000000000001 # [ 49.549103] RBP: 00007f48e1b0e000 R08: 00007f48e1b0d010 R09: 0000000000000000 # [ 49.557073] R10: fffffffff[ 51.464392] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE [ 51.476088] lkdtm: Value in memory before free: 12345678 [ 51.482029] lkdtm: Attempting to read from freed memory ffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 49.56[ 51.487874] lkdtm: Buddy page was not poisoned 5039] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.573011] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 49.599466] ---[ end trace f45534a0bbd36142 ]--- # [ 49.610830] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 49.615204] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 # [ 49.636187] RSP: 0018:ffffa7010147fe60 EFLAGS: 00010286 # [ 49.642021] RAX: ffffffffb8ede890 [ 51.571600] lkdtm: Performing direct entry SLAB_FREE_DOUBLE [ 51.579861] lkdtm: Attempting double slab free ... RBX: 0000000000000001 RCX: 0000000000000000 # [ 49.649990] RDX: 0000000000000000 RSI: ffff983bbad9bf70 RDI: ffffffffb9b9ae90 # [ 49.657959] RBP: ffffffffb9fe60d0 R08: 0000000000000001 R09: 0000000000000001 # [ 49.665927] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 49.673897] R13: ffffa7010147ff10 R14: ffffa7010147ff10 R15: ffff983b44f2b000 # [ 49.681865] FS: 00007f48e1d05580(0000) GS:ffff983bbad00000(0000) knlGS:0000000000000000 # [ 49.690900] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.697314] CR2: ffffa70101933fff CR3: 0000000104fc2006 CR4: 00000000003706e0 # [ 49.705291] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 49.715202] in_atomic(): 0, irq[ 51.657978] lkdtm: Performing direct entry SLAB_FREE_CROSS [ 51.665964] lkdtm: Attempting cross-cache slab free ... s_disabled(): 1, non_block: 0, pid: 1053, name: cat # [ 49.723653] INFO: lockdep is turned off. # [ 49.728029] irq event stamp: 0 # [ 49.731433] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.738431] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 49.747566] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 49.756700] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.763699] CPU: 2 PID: 1053 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 49.772338] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.779141] Call Trace: # [ 49.781867] dump_stack+0x77/0x9b # [ 49.785556] ___might_sleep.cold+0xa6/0xb6 # [ 49.790125] exit_signals+0x1c/0x2e0 # [ 49.794112] do_exit+0xd5[ 51.748630] lkdtm: Performing direct entry SLAB_FREE_PAGE /0xb00 # [ 49.797614] ? ksys_write+0x68/0xf0 # [ 49.80150[ 51.758737] lkdtm: Attempting non-Slab slab free ... 5] rewind_stack_do_exit+0x17/0x20 # [ 49.806172] RIP: 0033:0x7f48e1c1b8f3 # [ 49.810158] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 49.831139] RSP: 002b:00007ffc73fbdfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.839585] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f48e1c1b8f3 # [ 49.847553] RDX: 0000000000000019 RSI: 00007f48e1b0e000 RDI: 0000000000000001 # [ 49.855520] RBP: 00007f48e1b0e000 R08: 00007f48e1b0d010 R09: 0000000000000000 # [ 49.863487] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 49.871454] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACK_GUARD_PAGE_LEADING: saw 'call trace:': ok ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # Segmentation fault # [ 49.961532] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 49.973578] lkdtm: attempting bad read from page above current stack # [ 49.986923] BUG: stack guard page was hit at 00000000063440db (stack is 0000000062b0cfbc..00000000a33c1376) # [ 50.003978] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 50.010786] CPU: 0 PID: 1086 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 50.019435] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.026243] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 50.032861] Code: a0 fd ff 0f 1f 44 00 00 53 48 c7 c7 88 b4 f8 b9 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 95 a0 fd ff 48 c7 c7 c8 b4 f8 b9 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 78 a0 fd ff # [ 50.053845] RSP: 0018:ffffa7010199fe50 EFLAGS: 00010246 # [ 50.059680] RAX: 0000000000000038 RBX: ffffa7010199c000 RCX: 0000000000000000 # [ 50.067649] RDX: 0000000000000000 RSI: ffff983bbac1bf70 RDI: fff[ 51.960258] lkdtm: Performing direct entry EXEC_DATA fffffb9f8b4c8 # [ 50.075620] RBP: ffffffffb9f8ab93 R08: 00000[ 51.968680] lkdtm: attempting ok execution at ffffffffb8edec60 00000000000 R09: 0000000000000000 # [ 50.083582] R10: 0000000[ 51.981415] lkdtm: attempting bad execution at ffffffffbb81e560 0ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 50.[ 51.994262] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 52.008829] BUG: unable to handle page fault for address: ffffffffbb81e560 [ 52.016495] #PF: supervisor instruction fetch in kernel mode [ 52.022812] #PF: error_code(0x0011) - permissions violation [ 52.029033] PGD 71629067 P4D 71629067 PUD 7162a063 PMD 8000000072c000e3 091552] R13: ffffa7010199ff10 R14: ffffa7010199ff10 R15: ffff983[ 52.036520] Oops: 0011 [#5] SMP PTI [ 52.046624] CPU: 1 PID: 1629 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 52.055288] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 52.062094] RIP: 0010:data_area+0x0/0x40 b458d5000 # [ 50.099523] FS: 00007f3425054580(0000) GS:ffff9[ 52.066474] Code: ff ff 00 ed 2f 44 3b 98 ff ff 00 ec 2f 44 3b 98 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 52.093668] RSP: 0018:ffffa70102277e48 EFLAGS: 00010246 [ 52.099500] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 52.107469] RDX: 0000000000000000 RSI: ffff983bbac9bf70 RDI: ffff983bbac9bf70 [ 52.115437] RBP: ffffffffbb81e560 R08: 0000000000000000 R09: 0000000000000000 [ 52.123408] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 52.131378] R13: ffffa70102277f10 R14: ffffa70102277f10 R15: ffff983b44e6d000 [ 52.139348] FS: 00007f4aa2b15580(0000) GS:ffff983bbac80000(0000) knlGS:0000000000000000 [ 52.148387] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.154794] CR2: ffffffffbb81e560 CR3: 0000000102a56004 CR4: 00000000003706e0 [ 52.162764] Call Trace: [ 52.165494] ? execute_location+0x45/0x56 83bbac00000(0000) knlGS:0000000000000000 # [ 50.108561] CS: [ 52.169970] ? direct_entry.cold+0x2c/0x38 [ 52.180758] ? full_proxy_write+0x53/0x80 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.114975] C[ 52.185242] ? vfs_write+0xe7/0x3a0 [ 52.195344] ? ksys_write+0x68/0xf0 [ 52.199244] ? do_syscall_64+0x30/0x40 R2: ffffa701019a0000 CR3: 0000000102d12004 CR4: 00000000003706f0[ 52.203429] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 50.122943] Call Trace: # [ 50.125672] ? lkdtm_STACK_[ 52.215477] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 52.248110] CR2: ffffffffbb81e560 [ 52.251799] ---[ end trace f45534a0bbd36145 ]--- [ 52.256953] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 52.261330] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 [ 52.282302] RSP: 0018:ffffa7010147fe60 EFLAGS: 00010286 [ 52.288135] RAX: ffffffffb8ede890 RBX: 0000000000000001 RCX: 0000000000000000 [ 52.296104] RDX: 0000000000000000 RSI: ffff983bbad9bf70 RDI: ffffffffb9b9ae90 [ 52.304071] RBP: ffffffffb9fe60d0 R08: 0000000000000001 R09: 0000000000000001 [ 52.312039] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 52.320007] R13: ffffa7010147ff10 R14: ffffa7010147ff10 R15: ffff983b44f2b000 [ 52.327975] FS: 00007f4aa2b15580(0000) GS:ffff983bbac80000(0000) knlGS:0000000000000000 [ 52.337012] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.343427] CR2: ffffffffbb81e560 CR3: 0000000102a56004 CR4: 00000000003706e0 [ 52.351395] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 52.361306] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1629, name: cat [ 52.369761] INFO: lockdep is turned off. [ 52.374137] irq event stamp: 0 [ 52.377541] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 52.384539] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 52.393662] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 52.402797] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 52.409788] CPU: 1 PID: 1629 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 52.418439] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 52.425243] Call Trace: [ 52.427972] dump_stack+0x77/0x9b GUARD_PAGE_LEADING+0x3a/0x3a # [ 50.131511] direct_entry.col[ 52.431671] ___might_sleep.cold+0xa6/0xb6 [ 52.442456] exit_signals+0x1c/0x2e0 [ 52.446445] do_exit+0xd5/0xb00 [ 52.449949] ? ksys_write+0x68/0xf0 [ 52.453833] rewind_stack_do_exit+0x17/0x20 d+0x2c/0x38 # [ 50.135891] full_proxy_write+0x53/0x80 # [ [ 52.458503] RIP: 0033:0x7f4aa2a2b8f3 [ 52.468705] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 52.489678] RSP: 002b:00007ffd39ce0dc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.498133] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f4aa2a2b8f3 [ 52.506099] RDX: 000000000000000a RSI: 00007f4aa291e000 RDI: 0000000000000001 [ 52.514069] RBP: 00007f4aa291e000 R08: 00007f4aa291d010 R09: 0000000000000000 [ 52.522038] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 52.530007] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 50.140180] vfs_write+0xe7/0x3a0 # [ 50.143882] ksys_write+0x68/0xf0 # [ 50.147574] do_syscall_64+0x30/0x40 # [ 50.151570] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 50.157201] RIP: 0033:0x7f3424f6a8f3 # [ 50.161190] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 50.182166] RSP: 002b:00007ffcafbe0018 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.190612] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f3424f6a8f3 # [ 50.198584] RDX: 000000000000001a RSI: 00007f3424e5d000 RDI: 0000000000000001 # [ 50.206555] RBP: 00007f3424e5d000 R08: 00007f3424e5c010 R09: 0000000000000000 # [ 50.214524] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 50.222495] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 50.230461] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_s[ 52.636994] lkdtm: Performing direct entry EXEC_STACK ensors_core industrialio_triggered_buffer kfifo_buf industrialio[ 52.643067] lkdtm: attempting ok execution at ffffffffb8edec60 cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs [ 52.655801] lkdtm: attempting bad execution at ffffa701022d7e18 cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_no[ 52.668637] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 52.683200] BUG: unable to handle page fault for address: ffffa701022d7e18 [ 52.690872] #PF: supervisor instruction fetch in kernel mode [ 52.697182] #PF: error_code(0x0011) - permissions violation tify # [ 50.256906] ---[ end trace f45534a0bbd36143 ]--- # [[ 52.703404] PGD 100000067 P4D 100000067 PUD 100211067 PMD 1034d5067 PTE 80000001038c8063 [ 52.718658] Oops: 0011 [#6] SMP PTI [ 52.722549] CPU: 1 PID: 1665 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 52.731197] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 52.738003] RIP: 0010:0xffffa701022d7e18 [ 52.742378] Code: 00 00 18 7e 2d 02 01 a7 ff ff 59 e5 56 b9 ff ff ff ff 20 00 00 00 00 00 00 00 d6 ac f8 b9 ff ff ff ff 88 e6 56 b9 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 52.763357] RSP: 0018:ffffa701022d7df8 EFLAGS: 00010246 [ 52.769191] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 52.777158] RDX: 0000000000000000 RSI: ffff983bbac9bf70 RDI: ffff983bbac9bf70 [ 52.785124] RBP: ffffa701022d7e18 R08: 0000000000000000 R09: 0000000000000000 [ 52.793091] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 52.801057] R13: ffffa701022d7f10 R14: ffffa701022d7f10 R15: ffff983b43310000 [ 52.809025] FS: 00007fac0ed3d580(0000) GS:ffff983bbac80000(0000) knlGS:0000000000000000 [ 52.818059] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.824472] CR2: ffffa701022d7e18 CR3: 00000001032f0001 CR4: 00000000003706e0 [ 52.832440] Call Trace: [ 52.835169] ? execute_location+0x45/0x56 50.262061] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 50.266439] Cod[ 52.839641] ? lkdtm_EXEC_STACK+0x26/0x44 [ 52.850327] ? direct_entry.cold+0x2c/0x38 [ 52.854899] ? full_proxy_write+0x53/0x80 e: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea f[ 52.859375] ? vfs_write+0xe7/0x3a0 [ 52.869475] ? ksys_write+0x68/0xf0 [ 52.873367] ? do_syscall_64+0x30/0x40 [ 52.877549] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 f ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00[ 52.883385] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 52.916018] CR2: ffffa701022d7e18 [ 52.919715] ---[ end trace f45534a0bbd36146 ]--- <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 9[ 52.924869] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 52.935460] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 [ 52.956440] RSP: 0018:ffffa7010147fe60 EFLAGS: 00010286 [ 52.962286] RAX: ffffffffb8ede890 RBX: 0000000000000001 RCX: 0000000000000000 3 02 # [ 50.287412] RSP: 0018:ffffa7010147fe60 EFLAGS: 000102[ 52.970262] RDX: 0000000000000000 RSI: ffff983bbad9bf70 RDI: ffffffffb9b9ae90 [ 52.984443] RBP: ffffffffb9fe60d0 R08: 0000000000000001 R09: 0000000000000001 [ 52.992410] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 86 # [ 50.293238] RAX: ffffffffb8ede890 RBX: 0000000000000001[ 53.000378] R13: ffffa7010147ff10 R14: ffffa7010147ff10 R15: ffff983b44f2b000 [ 53.014560] FS: 00007fac0ed3d580(0000) GS:ffff983bbac80000(0000) knlGS:0000000000000000 [ 53.023596] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 RCX: 0000000000000000 # [ 50.301209] RDX: 0000000000000000 R[ 53.030002] CR2: ffffa701022d7e18 CR3: 00000001032f0001 CR4: 00000000003706e0 SI: ffff983bbad9bf70 RDI: ffffffffb9b9ae90 # [ 50.309180] RBP: ffffffffb9fe60d0 R08: 0000000000000001 R09: 0000000000000001 # [ 50.317150] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 50.325119] R13: ffffa7010147ff10 R14: ffffa7010147ff10 R15: ffff983b44f2b000 # [ 50.333089] FS: 00007f3425054580(0000) GS:ffff983bbac00000(0000) knlGS:0000000000000000 # [ 50.342127] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.348544] CR2: ffffa701019a0000 CR3: 0000000102d12004 CR4: 00000000003706f0 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 50.520109] lkdtm: Performing direct entry UNSET_SMEP # [ 50.530058] lkdtm: trying to clear SMEP normally # [ 50.535234] ------------[ cut here ]------------ # [ 50.546600] pinned CR4 bits changed: 0x100000!? # [ 50.551712] WARNING: CPU: 3 PID: 1122 at arch/x[ 53.135605] lkdtm: Performing direct entry EXEC_KMALLOC 86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 # [ 50.[ 53.143256] lkdtm: attempting ok execution at ffffffffb8edec60 561926] Modules linked in: fuse ip_tables cros_ec_sensors cros_e[ 53.155985] lkdtm: attempting bad execution at ffff983b435b2e40 c_sensors_core industrialio_triggered_buffer kfifo_buf industria[ 53.168837] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 53.183384] BUG: unable to handle page fault for address: ffff983b435b2e40 lio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debug[ 53.191063] #PF: supervisor instruction fetch in kernel mode [ 53.203594] #PF: error_code(0x0011) - permissions violation [ 53.209815] PGD 72e01067 P4D 72e01067 PUD 10084e063 PMD 1034c7063 PTE 80000001035b2063 fs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd[ 53.218661] Oops: 0011 [#7] SMP PTI [ 53.228765] CPU: 1 PID: 1701 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 53.237412] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 53.244232] RIP: 0010:0xffff983b435b2e40 _notify # [ 50.594562] CPU: 3 PID: 1122 Comm: cat Tainted: G [ 53.248615] Code: 00 00 02 00 00 00 00 00 00 00 80 2e 5b 43 3b 98 ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 1b 24 70 b8 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 53.275807] RSP: 0018:ffffa7010238fe38 EFLAGS: 00010246 [ 53.281631] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 53.289598] RDX: 0000000000000000 RSI: ffff983bbac9bf70 RDI: ffff983bbac9bf70 [ 53.297566] RBP: ffff983b435b2e40 R08: 0000000000000000 R09: 0000000000000000 [ 53.305533] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 53.313499] R13: ffffa7010238ff10 R14: ffffa7010238ff10 R15: ffff983b42a73000 [ 53.321466] FS: 00007fc733978580(0000) GS:ffff983bbac80000(0000) knlGS:0000000000000000 [ 53.330502] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.336915] CR2: ffff983b435b2e40 CR3: 0000000103b4a001 CR4: 00000000003706e0 [ 53.344883] Call Trace: [ 53.347612] ? execute_location+0x45/0x56 D W 5.10.145-cip17 #1 # [ 50.603232] Hardware na[ 53.352087] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 [ 53.362965] ? direct_entry.cold+0x2c/0x38 [ 53.367529] ? full_proxy_write+0x53/0x80 [ 53.372005] ? vfs_write+0xe7/0x3a0 [ 53.375898] ? ksys_write+0x68/0xf0 [ 53.379790] ? do_syscall_64+0x30/0x40 [ 53.383971] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 me: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.610047] RIP[ 53.389806] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 53.422437] CR2: ffff983b435b2e40 [ 53.426134] ---[ end trace f45534a0bbd36147 ]--- [ 53.431293] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 53.435670] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 [ 53.456639] RSP: 0018:ffffa7010147fe60 EFLAGS: 00010286 [ 53.462471] RAX: ffffffffb8ede890 RBX: 0000000000000001 RCX: 0000000000000000 [ 53.470439] RDX: 0000000000000000 RSI: ffff983bbad9bf70 RDI: ffffffffb9b9ae90 [ 53.478406] RBP: ffffffffb9fe60d0 R08: 0000000000000001 R09: 0000000000000001 [ 53.486374] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 53.494342] R13: ffffa7010147ff10 R14: ffffa7010147ff10 R15: ffff983b44f2b000 [ 53.502311] FS: 00007fc733978580(0000) GS:ffff983bbac80000(0000) knlGS:0000000000000000 [ 53.511339] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.517754] CR2: ffff983b435b2e40 CR3: 0000000103b4a001 CR4: 00000000003706e0 [ 53.525721] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 53.535629] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1701, name: cat [ 53.544082] INFO: lockdep is turned off. [ 53.548457] irq event stamp: 0 [ 53.551862] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 53.558860] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 53.567984] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 53.577115] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 53.584112] CPU: 1 PID: 1701 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 53.592760] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 53.599562] Call Trace: [ 53.602305] dump_stack+0x77/0x9b : 0010:native_write_cr4+0x45/0x60 # [ 50.621413] Code: 39 c2 [ 53.606003] ___might_sleep.cold+0xa6/0xb6 [ 53.616785] exit_signals+0x1c/0x2e0 [ 53.620774] do_exit+0xd5/0xb00 [ 53.624288] ? ksys_write+0x68/0xf0 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 43 a3 e3 01 00 75 f2 4[ 53.628188] rewind_stack_do_exit+0x17/0x20 [ 53.639066] RIP: 0033:0x7fc73388e8f3 [ 53.643046] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 53.664017] RSP: 002b:00007ffcfc7a21a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 53.672472] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007fc73388e8f3 [ 53.680440] RDX: 000000000000000d RSI: 00007fc733781000 RDI: 0000000000000001 [ 53.688408] RBP: 00007fc733781000 R08: 00007fc733780010 R09: 0000000000000000 [ 53.696374] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 53.704341] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 8 c7 c7 28 a0 ec b9 c6 05 33 a3 e3 01 01 e8 c6 e0 e7 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ 50.642397] RSP: 0018:ffffa70101a57e48 EFLAGS: 00010286 # [ 50.648249] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 # [ 50.656212] RDX: ffff983bbadac660 RSI: ffff983bbad9bf70 RDI: ffff983bbad9bf70 # [ 50.664211] RBP: ffffffffb9f8abad R08: 0000000000000000 R09: 0000000000000000 # [ 50.672182] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 50.680155] R13: ffffa70101a57f10 R14: ffffa70101a57f10 R15: ffff983b42728000 # [ 50.688142] FS: 00007f7a7e9a0580(0000) GS:ffff983bbad80000(0000) knlGS:0000000000000000 # [ 50.697215] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.703659] CR2: 00007f7a7e7a9000 CR3: 00000001029a6005 CR4: 00000000003706e0 # [ 50.711631] Call Trace: # [ 50.714360] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 50.719250] direct_entry.cold+0x2c/0x38 # [ 50.723639] full_proxy_write+0x53/0x80 # [ 50.734130] vfs_write+0xe7/0x3a0 # [ 50.737862] k[ 53.811758] lkdtm: Performing direct entry EXEC_VMALLOC sys_write+0x68/0xf0 # [ 50.741563] do_syscall_64+0x30/0x40 [ 53.823843] lkdtm: attempting ok execution at ffffffffb8edec60 # [ 50.745553] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ [ 53.836584] lkdtm: attempting bad execution at ffffa7010067f000 50.751196] RIP: 0033:0x7f7a7e8b68f3 # [ 50.755187] Code: 8b[ 53.849404] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 53.863937] BUG: unable to handle page fault for address: ffffa7010067f000 [ 53.871613] #PF: supervisor instruction fetch in kernel mode [ 53.877932] #PF: error_code(0x0011) - permissions violation [ 53.884152] PGD 100000067 P4D 100000067 PUD 100211067 PMD 104fe3067 PTE 8000000105a91063 [ 53.893197] Oops: 0011 [#8] SMP PTI [ 53.897089] CPU: 0 PID: 1737 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 53.905736] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 53.912539] RIP: 0010:0xffffa7010067f000 [ 53.916915] Code: Unable to access opcode bytes at RIP 0xffffa7010067efd6. [ 53.924583] RSP: 0018:ffffa7010240fe38 EFLAGS: 00010246 [ 53.930406] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 53.938375] RDX: 0000000000000000 RSI: ffff983bbac1bf70 RDI: ffff983bbac1bf70 [ 53.946342] RBP: ffffa7010067f000 R08: 0000000000000000 R09: 0000000000000000 [ 53.954310] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 53.962292] R13: ffffa7010240ff10 R14: ffffa7010240ff10 R15: ffff983b45a91000 [ 53.970262] FS: 00007fdcc4c95580(0000) GS:ffff983bbac00000(0000) knlGS:0000000000000000 [ 53.979292] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.985706] CR2: ffffa7010067efd6 CR3: 0000000104df8002 CR4: 00000000003706f0 [ 53.993674] Call Trace: [ 53.996402] ? execute_location+0x45/0x56 [ 54.000874] ? lkdtm_EXEC_VMALLOC+0x20/0x30 [ 54.005542] ? direct_entry.cold+0x2c/0x38 [ 54.010114] ? full_proxy_write+0x53/0x80 [ 54.014594] ? vfs_write+0xe7/0x3a0 [ 54.018486] ? ksys_write+0x68/0xf0 [ 54.022377] ? do_syscall_64+0x30/0x40 [ 54.026559] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 54.032394] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 54.058828] CR2: ffffa7010067f000 [ 54.062523] ---[ end trace f45534a0bbd36148 ]--- [ 54.067676] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 54.072041] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 [ 54.093020] RSP: 0018:ffffa7010147fe60 EFLAGS: 00010286 [ 54.098844] RAX: ffffffffb8ede890 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.106812] RDX: 0000000000000000 RSI: ffff983bbad9bf70 RDI: ffffffffb9b9ae90 [ 54.114778] RBP: ffffffffb9fe60d0 R08: 0000000000000001 R09: 0000000000000001 [ 54.122744] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 54.130710] R13: ffffa7010147ff10 R14: ffffa7010147ff10 R15: ffff983b44f2b000 [ 54.138679] FS: 00007fdcc4c95580(0000) GS:ffff983bbac00000(0000) knlGS:0000000000000000 [ 54.147705] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.154118] CR2: ffffa7010067efd6 CR3: 0000000104df8002 CR4: 00000000003706f0 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 50.776174] RSP: 002b:00007fff4819f728 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.784633] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f7a7e8b68f3 # [ 50.792607] RDX: 000000000000000b RSI: 00007f7a7e7a9000 RDI: 0000000000000001 # [ 50.800582] RBP: 00007f7a7e7a9000 R08: 00007f7a7e7a8010 R09: 0000000000000000 # [ 50.814768] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 50.828958] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 50.836967] irq event stamp: 0 # [ 50.840408] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 50.847441] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 50.856582] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 50.865773] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 50.872787] ---[ end trace f45534a0bbd36144 ]--- # [ 50.884146] lkdtm: ok: SMEP did not get cleared # [ 50.889207] lkdtm: trying to clear SMEP with call gadget # [ 50.895168] 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 # [ 50.979744] lkdtm: Performing direct entry DOUBLE_FAULT # [ 50.987021] 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 # [ 51.076648] lkdtm: Performing direct entry CORRUPT_PAC # [ 51.084910] lkdtm: XFAIL: this test is arm64-only # COR[ 54.331580] lkdtm: Performing direct entry EXEC_RODATA [ 54.341906] lkdtm: attempting ok execution at ffffffffb8edec60 [ 54.348442] lkdtm: attempting bad execution at ffffffffb9b9b320 [ 54.355079] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 54.363448] BUG: unable to handle page fault for address: ffffffffb9b9b320 [ 54.371131] #PF: supervisor instruction fetch in kernel mode [ 54.377450] #PF: error_code(0x0011) - permissions violation [ 54.383672] PGD 71629067 P4D 71629067 PUD 7162a063 PMD 8000000070e000e1 [ 54.391157] Oops: 0011 [#9] SMP PTI [ 54.395048] CPU: 3 PID: 1773 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 54.403688] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.410498] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 RUPT_PAC: saw 'XFAIL': [SKIP] ok 16 selftests: lkdtm: CORRUPT_P[ 54.416234] Code: ff ff f8 fa 56 b9 ff ff ff ff 22 af f8 b9 ff ff ff ff 3e e2 56 b9 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 [ 54.443423] RSP: 0018:ffffa7010248fe48 EFLAGS: 00010246 [ 54.449247] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 54.457230] RDX: 0000000000000000 RSI: ffff983bbad9bf70 RDI: ffff983bbad9bf70 [ 54.465207] RBP: ffffffffb9b9b320 R08: 0000000000000000 R09: 0000000000000000 [ 54.473165] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 54.481132] R13: ffffa7010248ff10 R14: ffffa7010248ff10 R15: ffff983b438f0000 [ 54.489101] FS: 00007fc5f0516580(0000) GS:ffff983bbad80000(0000) knlGS:0000000000000000 [ 54.498137] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.504550] CR2: ffffffffb9b9b320 CR3: 00000001034a0005 CR4: 00000000003706e0 [ 54.512518] Call Trace: [ 54.515245] ? execute_location+0x45/0x56 [ 54.519720] ? direct_entry.cold+0x2c/0x38 [ 54.524301] ? full_proxy_write+0x53/0x80 [ 54.528775] ? vfs_write+0xe7/0x3a0 [ 54.532667] ? ksys_write+0x68/0xf0 [ 54.536558] ? do_syscall_64+0x30/0x40 [ 54.540741] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 54.546568] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify AC.sh # SKIP # selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh[ 54.573020] CR2: ffffffffb9b9b320 [ 54.582929] ---[ end trace f45534a0bbd36149 ]--- [ 54.588084] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 54.592460] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 [ 54.613438] RSP: 0018:ffffa7010147fe60 EFLAGS: 00010286 [ 54.619282] RAX: ffffffffb8ede890 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.627298] RDX: 0000000000000000 RSI: ffff983bbad9bf70 RDI: ffffffffb9b9ae90 [ 54.635265] RBP: ffffffffb9fe60d0 R08: 0000000000000001 R09: 0000000000000001 [ 54.643239] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 54.651206] R13: ffffa7010147ff10 R14: ffffa7010147ff10 R15: ffff983b44f2b000 [ 54.659172] FS: 00007fc5f0516580(0000) GS:ffff983bbad80000(0000) knlGS:0000000000000000 [ 54.668208] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.674622] CR2: ffffffffb9b9b320 CR3: 00000001034a0005 CR4: 00000000003706e0 [ 54.682588] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 54.692498] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1773, name: cat [ 54.700951] INFO: lockdep is turned off. [ 54.705324] irq event stamp: 0 [ 54.708728] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 54.715726] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 54.724850] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 54.733983] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 54.740981] CPU: 3 PID: 1773 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 54.749628] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.756428] Call Trace: [ 54.759154] dump_stack+0x77/0x9b [ 54.762843] ___might_sleep.cold+0xa6/0xb6 [ 54.767413] exit_signals+0x1c/0x2e0 [ 54.771392] do_exit+0xd5/0xb00 [ 54.774894] ? ksys_write+0x68/0xf0 [ 54.778785] rewind_stack_do_exit+0x17/0x20 [ 54.783452] RIP: 0033:0x7fc5f042c8f3 [ 54.787439] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 54.808417] RSP: 002b:00007ffc9005f378 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 54.816869] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fc5f042c8f3 [ 54.824837] RDX: 000000000000000c RSI: 00007fc5f031f000 RDI: 0000000000000001 [ 54.832806] RBP: 00007fc5f031f000 R08: 00007fc5f031e010 R09: 0000000000000000 [ 54.840773] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 54.848740] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.187041] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 51.196805] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP] ok 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP # selftests: lkdtm: OVERWRITE_ALLOCATION.sh # Skipping OVERWRITE_ALLOCATION: Corrupts memory on failure ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP # selftests: lkdtm: WRITE_AFTER_FREE.sh # Skipping WRITE_AFTER_FREE: Corrupts memory on failure ok 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_AFTER_FREE.sh # [ 51.339009] lkdtm: Performing direct entry READ_AFTER_FREE # [ 51.347251] lkdtm: Value in memory before free: 12345678 # [ 51.353192] lkdtm: Attempting bad read from freed memory # [ 51.359129] lkdtm: Memory was not poisoned # READ_AFTER_FREE: missing 'call trace:': [FAIL] not ok 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1 # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on failure ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP # selftests: lk[ 54.964544] lkdtm: Performing direct entry EXEC_USERSPACE dtm: READ_BUDDY_AFTER_FREE.sh # [ 51.464392] lkdtm: Performin[ 54.974659] lkdtm: attempting ok execution at ffffffffb8edec60 g direct entry READ_BUDDY_AFTER_FREE # [ 51.476088] lkdtm: Va[ 54.987429] lkdtm: attempting bad execution at 00007fda373ef000 lue in memory before free: 12345678 # [ 51.482029] lkdtm: Att[ 55.000239] unable to execute userspace code (SMEP?) (uid: 0) [ 55.012841] BUG: unable to handle page fault for address: 00007fda373ef000 empting to read from freed memory # [ 51.487874] lkdtm: Buddy[ 55.020522] #PF: supervisor instruction fetch in kernel mode [ 55.033056] #PF: error_code(0x0011) - permissions violation [ 55.039283] PGD 8000000104ed2067 P4D 8000000104ed2067 PUD 104c31067 PMD 104cea067 PTE 1158a7067 page was not poisoned # READ_BUDDY_AFTER_FREE: missing 'call t[ 55.049006] Oops: 0011 [#10] SMP PTI [ 55.059209] CPU: 1 PID: 1809 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 55.067858] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.074663] RIP: 0010:0x7fda373ef000 [ 55.078651] Code: Unable to access opcode bytes at RIP 0x7fda373eefd6. [ 55.085937] RSP: 0018:ffffa7010250fe50 EFLAGS: 00010246 [ 55.091770] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 [ 55.099741] RDX: 0000000000000000 RSI: ffff983bbac9bf70 RDI: ffff983bbac9bf70 [ 55.107710] RBP: 00007fda373ef000 R08: 0000000000000000 R09: 0000000000000000 [ 55.115678] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f [ 55.123647] R13: ffffa7010250ff10 R14: ffffa7010250ff10 R15: ffff983b46442000 [ 55.131610] FS: 00007fda373c0580(0000) GS:ffff983bbac80000(0000) knlGS:0000000000000000 [ 55.140640] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.147055] CR2: 00007fda373ef000 CR3: 0000000104038001 CR4: 00000000003706e0 [ 55.155024] Call Trace: [ 55.157753] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae race:': [FAIL] not ok 22 selftests: lkdtm: READ_BUDDY_AFTER_FRE[ 55.163103] ? direct_entry.cold+0x2c/0x38 [ 55.173887] ? full_proxy_write+0x53/0x80 E.sh # exit=1 # selftests: lkdtm: SLAB_FREE_DOUBLE.sh # [ 51[ 55.178364] ? vfs_write+0xe7/0x3a0 [ 55.188466] ? ksys_write+0x68/0xf0 [ 55.192359] ? do_syscall_64+0x30/0x40 [ 55.196541] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 .571600] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ [ 55.202379] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 55.235018] CR2: 00007fda373ef000 [ 55.238715] ---[ end trace f45534a0bbd3614a ]--- [ 55.243868] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 55.248244] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 [ 55.269242] RSP: 0018:ffffa7010147fe60 EFLAGS: 00010286 [ 55.275075] RAX: ffffffffb8ede890 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.283044] RDX: 0000000000000000 RSI: ffff983bbad9bf70 RDI: ffffffffb9b9ae90 [ 55.291014] RBP: ffffffffb9fe60d0 R08: 0000000000000001 R09: 0000000000000001 [ 55.298982] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 55.306952] R13: ffffa7010147ff10 R14: ffffa7010147ff10 R15: ffff983b44f2b000 [ 55.314921] FS: 00007fda373c0580(0000) GS:ffff983bbac80000(0000) knlGS:0000000000000000 [ 55.323957] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.330372] CR2: 00007fda373ef000 CR3: 0000000104038001 CR4: 00000000003706e0 51.579861] 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 # [ 51.657978] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 51.665964] 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 # [ 51.748630] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 51.758737] lkdtm: Attempting non-Slab slab free ... # SLAB_FREE_PAGE: missing 'call trace:': [FAIL] not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1 # selftests: lkdtm: SOFTLOCKUP.sh # Skipping SOFTLOCKUP: Hangs the system ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP # selftests: lkdtm: HARDLOCKUP.sh # Skipping HARDLOCKUP: Hangs the system ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP # selftests: lkdtm: SPINLOCKUP.sh # Skipping SPINLOCKUP: Hangs the system ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP # selftests: lkdtm: HUNG_TASK.sh # Skipping HUNG_TASK: Hangs the system ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP # selftests: lkdtm: EXEC_DATA.sh # Killed # [ 51.960258] lkdtm: Performing direct entry EXEC_DATA # [ 51.968680] lkdtm: attempting ok execution at ffffffffb8edec60 # [ 51.981415] lkdtm: attempting bad execution at ffffffffbb81e560 # [ 51.994262] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 52.008829] BUG[ 55.482609] lkdtm: Performing direct entry EXEC_NULL : unable to handle page fault for address: ffffffffbb81e560 # [[ 55.493083] lkdtm: attempting ok execution at ffffffffb8edec60 52.016495] #PF: supervisor instruction fetch in kernel mode [ 55.505823] lkdtm: attempting bad execution at 0000000000000000 # [ 52.022812] #PF: error_code(0x0011) - permissions violation[ 55.518646] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 55.532596] #PF: supervisor instruction fetch in kernel mode [ 55.538915] #PF: error_code(0x0010) - not-present page [ 55.544648] PGD 0 P4D 0 [ 55.547473] Oops: 0010 [#11] SMP PTI [ 55.551462] CPU: 0 PID: 1845 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 55.560111] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.566915] RIP: 0010:0x0 [ 55.569827] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 55.577504] RSP: 0018:ffffa7010254fe48 EFLAGS: 00010246 [ 55.583337] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 55.591299] RDX: 0000000000000000 RSI: ffff983bbac1bf70 RDI: ffff983bbac1bf70 [ 55.599284] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 55.607254] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 55.615241] R13: ffffa7010254ff10 R14: ffffa7010254ff10 R15: ffff983b43346000 [ 55.623210] FS: 00007f956d28f580(0000) GS:ffff983bbac00000(0000) knlGS:0000000000000000 [ 55.632246] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.638662] CR2: ffffffffffffffd6 CR3: 000000010400c005 CR4: 00000000003706f0 [ 55.646627] Call Trace: [ 55.649355] execute_location+0x45/0x56 [ 55.653642] direct_entry.cold+0x2c/0x38 [ 55.658021] full_proxy_write+0x53/0x80 [ 55.662308] vfs_write+0xe7/0x3a0 [ 55.666011] ksys_write+0x68/0xf0 [ 55.669702] do_syscall_64+0x30/0x40 [ 55.673689] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 55.679326] RIP: 0033:0x7f956d1a58f3 [ 55.683314] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 55.704295] RSP: 002b:00007fffefcf3de8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.712749] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f956d1a58f3 [ 55.720717] RDX: 000000000000000a RSI: 00007f956d098000 RDI: 0000000000000001 [ 55.728684] RBP: 00007f956d098000 R08: 00007f956d097010 R09: 0000000000000000 [ 55.736654] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 55.744621] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 55.752594] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 55.779031] CR2: 0000000000000000 [ 55.782719] ---[ end trace f45534a0bbd3614b ]--- [ 55.787872] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 55.792249] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 [ 55.813221] RSP: 0018:ffffa7010147fe60 EFLAGS: 00010286 [ 55.819077] RAX: ffffffffb8ede890 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.827046] RDX: 0000000000000000 RSI: ffff983bbad9bf70 RDI: ffffffffb9b9ae90 [ 55.835016] RBP: ffffffffb9fe60d0 R08: 0000000000000001 R09: 0000000000000001 [ 55.842984] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 55.850951] R13: ffffa7010147ff10 R14: ffffa7010147ff10 R15: ffff983b44f2b000 [ 55.858919] FS: 00007f956d28f580(0000) GS:ffff983bbac00000(0000) knlGS:0000000000000000 [ 55.867958] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.874373] CR2: ffffffffffffffd6 CR3: 000000010400c005 CR4: 00000000003706f0 # [ 52.029033] PGD 71629067 P4D 71629067 PUD 7162a063 PMD 8000000072c000e3 # [ 52.036520] Oops: 0011 [#5] SMP PTI # [ 52.046624] CPU: 1 PID: 1629 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 52.055288] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.062094] RIP: 0010:data_area+0x0/0x40 # [ 52.066474] Code: ff ff 00 ed 2f 44 3b 98 ff ff 00 ec 2f 44 3b 98 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 52.093668] RSP: 0018:ffffa70102277e48 EFLAGS: 00010246 # [ 52.099500] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 52.107469] RDX: 0000000000000000 RSI: ffff983bbac9bf70 RDI: ffff983bbac9bf70 # [ 52.115437] RBP: ffffffffbb81e560 R08: 0000000000000000 R09: 0000000000000000 # [ 52.123408] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 52.131378] R13: ffffa70102277f10 R14: ffffa70102277f10 R15: ffff983b44e6d000 # [ 52.139348] FS: 00007f4aa2b15580(0000) GS:ffff983bbac80000(0000) knlGS:0000000000000000 # [ 52.148387] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.154794] CR2: ffffffffbb81e560 CR3: 0000000102a56004 CR4: 00000000003706e0 # [ 52.162764] Call Trace: # [ 52.165494] ? execute_location+0x45/0x56 # [ 52.169970] ? direct_entry.cold+0x2c/0x38 # [ 52.180758] ? full_proxy_write+0x53/0x80 # [ 52.185242] ? vfs_write+0xe7/0x3a0 # [ 52.195344] ? ksys_write+0x68/0xf0 # [ 52.199244] ? do_syscall_64+0x30/0x40 # [ 52.203429][ 56.037475] lkdtm: Performing direct entry ACCESS_USERSPACE ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 52.215477] M[ 56.043987] lkdtm: attempting bad read at 00007f30e691d000 odules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors[ 56.056322] BUG: unable to handle page fault for address: 00007f30e691d000 [ 56.070210] #PF: supervisor read access in kernel mode [ 56.075947] #PF: error_code(0x0001) - permissions violation [ 56.082167] PGD 8000000103c2c067 P4D 8000000103c2c067 PUD 102c31067 PMD 1026bd067 PTE 1154d3067 _core industrialio_triggered_buffer kfifo_buf industrialio cros_[ 56.091891] Oops: 0001 [#12] SMP PTI [ 56.102091] CPU: 1 PID: 1880 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 56.110738] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.117543] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_e[ 56.123768] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 40 bc f8 b9 e8 09 9a fd ff 48 c7 c7 68 bc f8 b9 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 f0 99 fd ff 48 89 ee 48 c7 c7 90 bc f8 [ 56.150958] RSP: 0018:ffffa7010265fe48 EFLAGS: 00010246 [ 56.156792] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 [ 56.164751] RDX: 0000000000000000 RSI: ffff983bbac9bf70 RDI: ffffffffb9f8bc68 [ 56.172718] RBP: 00007f30e691d000 R08: 0000000000000000 R09: 0000000000000000 [ 56.180688] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 [ 56.188655] R13: ffffa7010265ff10 R14: ffffa7010265ff10 R15: ffff983b45aed000 [ 56.196626] FS: 00007f30e68ee580(0000) GS:ffff983bbac80000(0000) knlGS:0000000000000000 [ 56.205652] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.212065] CR2: 00007f30e691d000 CR3: 0000000103c68006 CR4: 00000000003706e0 [ 56.220033] Call Trace: [ 56.222761] direct_entry.cold+0x2c/0x38 c_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 56.227141] full_proxy_write+0x53/0x80 [ 56.237630] vfs_write+0xe7/0x3a0 # [ 52.248110] CR2: ffffffffbb81e560 # [ 52.251799] ---[ en[ 56.241329] ksys_write+0x68/0xf0 [ 56.251243] do_syscall_64+0x30/0x40 [ 56.255246] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 56.260883] RIP: 0033:0x7f30e68048f3 [ 56.264869] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 56.285848] RSP: 002b:00007ffd41d3b4c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.294300] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f30e68048f3 [ 56.302268] RDX: 0000000000000011 RSI: 00007f30e66f7000 RDI: 0000000000000001 [ 56.310239] RBP: 00007f30e66f7000 R08: 00007f30e66f6010 R09: 0000000000000000 [ 56.318205] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 56.326174] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 d trace f45534a0bbd36145 ]--- # [ 52.256953] RIP: 0010:lkdtm_[ 56.334147] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 56.366780] CR2: 00007f30e691d000 [ 56.370468] ---[ end trace f45534a0bbd3614c ]--- [ 56.375613] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 56.379988] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 [ 56.400966] RSP: 0018:ffffa7010147fe60 EFLAGS: 00010286 [ 56.406789] RAX: ffffffffb8ede890 RBX: 0000000000000001 RCX: 0000000000000000 [ 56.414755] RDX: 0000000000000000 RSI: ffff983bbad9bf70 RDI: ffffffffb9b9ae90 [ 56.422723] RBP: ffffffffb9fe60d0 R08: 0000000000000001 R09: 0000000000000001 [ 56.430691] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 56.438660] R13: ffffa7010147ff10 R14: ffffa7010147ff10 R15: ffff983b44f2b000 [ 56.446627] FS: 00007f30e68ee580(0000) GS:ffff983bbac80000(0000) knlGS:0000000000000000 [ 56.455661] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.462074] CR2: 00007f30e691d000 CR3: 0000000103c68006 CR4: 00000000003706e0 [ 56.470043] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 56.479944] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1880, name: cat [ 56.488398] INFO: lockdep is turned off. [ 56.492772] irq event stamp: 0 [ 56.496178] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 56.503167] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 56.512291] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 56.521424] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 56.528421] CPU: 1 PID: 1880 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 56.537068] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.543870] Call Trace: [ 56.546596] dump_stack+0x77/0x9b [ 56.550300] ___might_sleep.cold+0xa6/0xb6 BUG+0x5/0x10 # [ 52.261330] Code: 89 ff e8 2e b6 a3 ff 48 c7 [ 56.554874] exit_signals+0x1c/0x2e0 [ 56.565075] do_exit+0xd5/0xb00 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c[ 56.568579] ? ksys_write+0x68/0xf0 [ 56.578680] rewind_stack_do_exit+0x17/0x20 [ 56.583348] RIP: 0033:0x7f30e68048f3 [ 56.587336] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 56.608305] RSP: 002b:00007ffd41d3b4c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.616759] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f30e68048f3 [ 56.624727] RDX: 0000000000000011 RSI: 00007f30e66f7000 RDI: 0000000000000001 [ 56.632694] RBP: 00007f30e66f7000 R08: 00007f30e66f6010 R09: 0000000000000000 [ 56.640662] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 56.648629] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 # [ 52.282302] RSP: 0018:ffffa7010147fe60 EFLAGS: 00010286 # [ 52.288135] RAX: ffffffffb8ede890 RBX: 0000000000000001 RCX: 0000000000000000 # [ 52.296104] RDX: 0000000000000000 RSI: ffff983bbad9bf70 RDI: ffffffffb9b9ae90 # [ 52.304071] RBP: ffffffffb9fe60d0 R08: 0000000000000001 R09: 0000000000000001 # [ 52.312039] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 52.320007] R13: ffffa7010147ff10 R14: ffffa7010147ff10 R15: ffff983b44f2b000 # [ 52.327975] FS: 00007f4aa2b15580(0000) GS:ffff983bbac80000(0000) knlGS:0000000000000000 # [ 52.337012] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.343427] CR2: ffffffffbb81e560 CR3: 0000000102a56004 CR4: 00000000003706e0 # [ 52.351395] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 52.361306] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1629, name: cat # [ 52.369761] INFO: lockdep is turned off. # [ 52.374137] irq event stamp: 0 # [ 52.377541] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 52.384539] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 56.776598] lkdtm: Performing direct entry ACCESS_NULL # [ 52.393662] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 52.402797] softirqs last d[ 56.799287] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 56.813226] #PF: supervisor read access in kernel mode [ 56.818953] #PF: error_code(0x0000) - not-present page [ 56.824690] PGD 0 P4D 0 [ 56.827515] Oops: 0000 [#13] SMP PTI [ 56.831505] CPU: 0 PID: 1915 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 56.840154] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.846953] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 [ 56.852211] Code: ad 99 fd ff be 00 10 00 00 48 89 ef e8 ad 89 39 ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 40 bc f8 b9 e8 87 99 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 68 bc f8 b9 48 01 [ 56.873196] RSP: 0018:ffffa701026cfe58 EFLAGS: 00010246 [ 56.879021] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 [ 56.886982] RDX: 0000000000000000 RSI: ffff983bbac1bf70 RDI: ffff983bbac1bf70 [ 56.894952] RBP: ffffffffb9f8ad31 R08: 0000000000000000 R09: 0000000000000000 [ 56.902924] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 56.910883] R13: ffffa701026cff10 R14: ffffa701026cff10 R15: ffff983b44e2c000 [ 56.918854] FS: 00007fb1a355d580(0000) GS:ffff983bbac00000(0000) knlGS:0000000000000000 [ 56.927893] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.934308] CR2: 0000000000000000 CR3: 0000000104e22004 CR4: 00000000003706f0 [ 56.942282] Call Trace: [ 56.945011] direct_entry.cold+0x2c/0x38 [ 56.949396] full_proxy_write+0x53/0x80 [ 56.953683] vfs_write+0xe7/0x3a0 [ 56.957386] ksys_write+0x68/0xf0 [ 56.961084] do_syscall_64+0x30/0x40 [ 56.965064] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 56.970704] RIP: 0033:0x7fb1a34738f3 [ 56.974684] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 56.995657] RSP: 002b:00007ffc4ea16198 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.004113] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fb1a34738f3 [ 57.012083] RDX: 000000000000000c RSI: 00007fb1a3366000 RDI: 0000000000000001 [ 57.020054] RBP: 00007fb1a3366000 R08: 00007fb1a3365010 R09: 0000000000000000 [ 57.028013] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 57.035984] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 57.043959] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 57.070403] CR2: 0000000000000000 [ 57.074101] ---[ end trace f45534a0bbd3614d ]--- [ 57.079248] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 57.083625] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 [ 57.104600] RSP: 0018:ffffa7010147fe60 EFLAGS: 00010286 [ 57.110425] RAX: ffffffffb8ede890 RBX: 0000000000000001 RCX: 0000000000000000 [ 57.118397] RDX: 0000000000000000 RSI: ffff983bbad9bf70 RDI: ffffffffb9b9ae90 [ 57.126365] RBP: ffffffffb9fe60d0 R08: 0000000000000001 R09: 0000000000000001 [ 57.134334] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 57.142300] R13: ffffa7010147ff10 R14: ffffa7010147ff10 R15: ffff983b44f2b000 [ 57.150269] FS: 00007fb1a355d580(0000) GS:ffff983bbac00000(0000) knlGS:0000000000000000 [ 57.159306] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.165721] CR2: 0000000000000000 CR3: 0000000104e22004 CR4: 00000000003706f0 isabled at (0): [<0000000000000000>] 0x0 # [ 52.409788] CPU: 1 PID: 1629 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 52.418439] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.425243] Call Trace: # [ 52.427972] dump_stack+0x77/0x9b # [ 52.431671] ___might_sleep.cold+0xa6/0xb6 # [ 52.442456] exit_signals+0x1c/0x2e0 # [ 52.446445] do_exit+0xd5/0xb00 # [ 52.449949] ? ksys_write+0x68/0xf0 # [ 52.453833] rewind_stack_do_exit+0x17/0x20 # [ 52.458503] RIP: 0033:0x7f4aa2a2b8f3 # [ 52.468705] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 52.489678] RSP: 002b:00007ffd39ce0dc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.498133] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f4aa2a2b8f3 # [ 52.506099] RDX: 000000000000000a RSI: 00007f4aa291e000 RDI: 0000000000000001 # [ 52.514069] RBP: 00007f4aa291e000 R08: 00007f4aa291d010 R09: 0000000000000000 # [ 52.522038] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 52.530007] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_DATA: saw 'call trace:': ok ok 30 selftests: lkdtm: EXEC_DATA.sh # selftests: lkdtm: EXEC_STACK.sh # Killed # [ 52.636994] lkdtm: Performing direct entry EXEC_STACK # [ 52.643067] lkdtm: attempting ok execution at ffffffffb8edec60 # [ 52.655801] lkdtm: attempting bad execution at ffffa701022d7e18 # [ 52.668637] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 52.683200] BUG: unable to handle page fault for a[ 57.336008] lkdtm: Performing direct entry WRITE_RO [ 57.346981] lkdtm: attempting bad rodata write at ffffffffb9b9b310 [ 57.353932] BUG: unable to handle page fault for address: ffffffffb9b9b310 ddr[ess: ffffa701022d7e18 # [ 52.690872] #PF: supervisor instr 57.361625] #PF: supervisor write access in kernel mode [ 57.373672] #PF: error_code(0x0003) - permissions violation uc[tion fetch in kernel mode # [ 52.697182] #PF: error_code(0x 57.379897] PGD 71629067 P4D 71629067 PUD 7162a063 PMD 8000000070e000e1 [ 57.393600] Oops: 0003 [#14] SMP PTI [ 57.397587] CPU: 2 PID: 1950 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 57.406239] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 57.413044] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a [ 57.418003] Code: 00 48 c7 c7 20 bb f8 b9 48 c7 c6 10 b3 b9 b9 e8 31 9c fd ff 48 8b 05 87 cd 62 00 ba 34 12 cd ab 48 c7 c7 50 bb f8 b9 48 31 d0 <48> 89 05 71 cd 62 00 e9 0f 9c fd ff 0f 1f 44 00 00 48 8b 05 80 9d [ 57.438983] RSP: 0018:ffffa7010275fe60 EFLAGS: 00010202 [ 57.444805] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 [ 57.452774] RDX: 00000000abcd1234 RSI: ffff983bbad1bf70 RDI: ffffffffb9f8bb50 [ 57.460744] RBP: ffffffffb9f8ad3d R08: 0000000000000000 R09: 0000000000000000 [ 57.468703] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 [ 57.476662] R13: ffffa7010275ff10 R14: ffffa7010275ff10 R15: ffff983b4581a000 [ 57.484629] FS: 00007feab1e7e580(0000) GS:ffff983bbad00000(0000) knlGS:0000000000000000 [ 57.493667] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.500074] CR2: ffffffffb9b9b310 CR3: 0000000102c96001 CR4: 00000000003706e0 [ 57.508043] Call Trace: [ 57.510771] direct_entry.cold+0x2c/0x38 [ 57.515151] full_proxy_write+0x53/0x80 [ 57.519433] vfs_write+0xe7/0x3a0 [ 57.523131] ksys_write+0x68/0xf0 [ 57.526829] do_syscall_64+0x30/0x40 [ 57.530818] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 57.536457] RIP: 0033:0x7feab1d948f3 [ 57.540445] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 57.561416] RSP: 002b:00007ffff1b2aa78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.569871] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007feab1d948f3 [ 57.577840] RDX: 0000000000000009 RSI: 00007feab1c87000 RDI: 0000000000000001 [ 57.585808] RBP: 00007feab1c87000 R08: 00007feab1c86010 R09: 0000000000000000 [ 57.593777] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 57.601746] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 57.609720] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0011) - permissions violation # [ 52.703404] PGD 100000067 P4[ 57.636170] CR2: ffffffffb9b9b310 [ 57.646078] ---[ end trace f45534a0bbd3614e ]--- [ 57.651241] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 57.655618] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 [ 57.676589] RSP: 0018:ffffa7010147fe60 EFLAGS: 00010286 [ 57.682421] RAX: ffffffffb8ede890 RBX: 0000000000000001 RCX: 0000000000000000 [ 57.690390] RDX: 0000000000000000 RSI: ffff983bbad9bf70 RDI: ffffffffb9b9ae90 [ 57.698359] RBP: ffffffffb9fe60d0 R08: 0000000000000001 R09: 0000000000000001 [ 57.706327] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 57.714293] R13: ffffa7010147ff10 R14: ffffa7010147ff10 R15: ffff983b44f2b000 [ 57.722261] FS: 00007feab1e7e580(0000) GS:ffff983bbad00000(0000) knlGS:0000000000000000 [ 57.731299] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.737704] CR2: ffffffffb9b9b310 CR3: 0000000102c96001 CR4: 00000000003706e0 [ 57.745673] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 57.755581] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1950, name: cat [ 57.764034] INFO: lockdep is turned off. [ 57.768409] irq event stamp: 0 [ 57.771815] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 57.778805] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 57.787938] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 57.797070] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 57.804067] CPU: 2 PID: 1950 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 57.812706] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 57.819509] Call Trace: [ 57.822243] dump_stack+0x77/0x9b [ 57.825940] ___might_sleep.cold+0xa6/0xb6 [ 57.830503] exit_signals+0x1c/0x2e0 [ 57.834481] do_exit+0xd5/0xb00 [ 57.837983] ? ksys_write+0x68/0xf0 [ 57.841874] rewind_stack_do_exit+0x17/0x20 [ 57.846532] RIP: 0033:0x7feab1d948f3 [ 57.850521] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 57.871500] RSP: 002b:00007ffff1b2aa78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.879953] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007feab1d948f3 [ 57.887923] RDX: 0000000000000009 RSI: 00007feab1c87000 RDI: 0000000000000001 [ 57.895891] RBP: 00007feab1c87000 R08: 00007feab1c86010 R09: 0000000000000000 [ 57.903859] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 57.911827] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 D 100000067 PUD 100211067 PMD 1034d5067 PTE 80000001038c8063 # [ 52.718658] Oops: 0011 [#6] SMP PTI # [ 52.722549] CPU: 1 PID: 1665 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 52.731197] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.738003] RIP: 0010:0xffffa701022d7e18 # [ 52.742378] Code: 00 00 18 7e 2d 02 01 a7 ff ff 59 e5 56 b9 ff ff ff ff 20 00 00 00 00 00 00 00 d6 ac f8 b9 ff ff ff ff 88 e6 56 b9 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 52.763357] RSP: 0018:ffffa701022d7df8 EFLAGS: 00010246 # [ 52.769191] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 52.777158] RDX: 0000000000000000 RSI: ffff983bbac9bf70 RDI: ffff983bbac9bf70 # [ 52.785124] RBP: ffffa701022d7e18 R08: 0000000000000000 R09: 0000000000000000 # [ 52.793091] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 52.801057] R13: ffffa701022d7f10 R14: ffffa701022d7f10 R15: ffff983b43310000 # [ 52.809025] FS: 00007fac0ed3d580(0000) GS:ffff983bbac80000(0000) knlGS:0000000000000000 # [ 52.818059] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.824472] CR2: ffffa701022d7e18 CR3: 00000001032f0001 CR4: 00000000003706e0 # [ 52.832440] Call Trace: # [ 52.835169] ? execute_location+0x45/0x56 # [ 52.839641] ? lkdtm_EXEC_STACK+0x26/0x44 # [ 52.850327] ? direct_entry.cold+0x2c/0x38 # [ 52.854899] ? full_proxy_write+0x53/0x80 # [ 52.859375] ? vfs_write+0xe7/0x3a0 # [ 52.869475] ? ksys_write+0x68/0xf0 # [ 52.873367] ? do_syscall_64+0x30/0x40 # [ 52.877549] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 52.883385] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer[ 58.091645] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_c[ 58.100384] lkdtm: attempting bad ro_after_init write at ffffffffba008330 hardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cr[ 58.114194] BUG: unable to handle page fault for address: ffffffffba008330 [ 58.128065] #PF: supervisor write access in kernel mode [ 58.133898] #PF: error_code(0x0003) - permissions violation [ 58.140120] PGD 71629067 P4D 71629067 PUD 7162a063 PMD 1048bf063 PTE 8000000071408061 [ 58.148869] Oops: 0003 [#15] SMP PTI [ 58.152849] CPU: 0 PID: 1985 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 58.161498] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.168305] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a [ 58.174338] Code: bb f8 b9 e9 e3 9b fd ff 48 c7 c7 a8 bb f8 b9 e8 d7 9b fd ff 48 8b 05 4d 9d a9 00 ba 34 12 cd ab 48 c7 c7 50 bb f8 b9 48 31 d0 <48> 89 05 37 9d a9 00 e9 b5 9b fd ff 0f 1f 44 00 00 41 54 48 c7 c7 [ 58.195320] RSP: 0018:ffffa701027e7e60 EFLAGS: 00010202 [ 58.201152] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 [ 58.209122] RDX: 00000000abcd1234 RSI: ffff983bbac1bf70 RDI: ffffffffb9f8bb50 [ 58.217091] RBP: ffffffffb9f8ad46 R08: 0000000000000000 R09: 0000000000000000 [ 58.225061] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 [ 58.233029] R13: ffffa701027e7f10 R14: ffffa701027e7f10 R15: ffff983b434c2000 [ 58.240998] FS: 00007f3323b1c580(0000) GS:ffff983bbac00000(0000) knlGS:0000000000000000 [ 58.250036] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.256444] CR2: ffffffffba008330 CR3: 0000000106442005 CR4: 00000000003706f0 [ 58.264413] Call Trace: [ 58.267132] direct_entry.cold+0x2c/0x38 [ 58.271517] full_proxy_write+0x53/0x80 [ 58.275795] vfs_write+0xe7/0x3a0 [ 58.279497] ksys_write+0x68/0xf0 [ 58.283187] do_syscall_64+0x30/0x40 [ 58.287175] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 58.292814] RIP: 0033:0x7f3323a328f3 [ 58.296802] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 58.317784] RSP: 002b:00007ffd84bd9b38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.326238] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f3323a328f3 [ 58.334208] RDX: 0000000000000014 RSI: 00007f3323925000 RDI: 0000000000000001 [ 58.342175] RBP: 00007f3323925000 R08: 00007f3323924010 R09: 0000000000000000 [ 58.350145] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 58.358115] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 58.366089] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 58.392530] CR2: ffffffffba008330 [ 58.396227] ---[ end trace f45534a0bbd3614f ]--- [ 58.401373] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 58.405751] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 [ 58.426734] RSP: 0018:ffffa7010147fe60 EFLAGS: 00010286 [ 58.432568] RAX: ffffffffb8ede890 RBX: 0000000000000001 RCX: 0000000000000000 [ 58.440539] RDX: 0000000000000000 RSI: ffff983bbad9bf70 RDI: ffffffffb9b9ae90 [ 58.448508] RBP: ffffffffb9fe60d0 R08: 0000000000000001 R09: 0000000000000001 [ 58.456476] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 58.464445] R13: ffffa7010147ff10 R14: ffffa7010147ff10 R15: ffff983b44f2b000 [ 58.472414] FS: 00007f3323b1c580(0000) GS:ffff983bbac00000(0000) knlGS:0000000000000000 [ 58.481452] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.487867] CR2: ffffffffba008330 CR3: 0000000106442005 CR4: 00000000003706f0 os_ec_dev cros_usbpd_notify # [ 52.916018] CR2: ffffa701022d7e18 # [ 52.919715] ---[ end trace f45534a0bbd36146 ]--- # [ 52.924869] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 52.935460] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 # [ 52.956440] RSP: 0018:ffffa7010147fe60 EFLAGS: 00010286 # [ 52.962286] RAX: ffffffffb8ede890 RBX: 0000000000000001 RCX: 0000000000000000 # [ 52.970262] RDX: 0000000000000000 RSI: ffff983bbad9bf70 RDI: ffffffffb9b9ae90 # [ 52.984443] RBP: ffffffffb9fe60d0 R08: 0000000000000001 R09: 0000000000000001 # [ 52.992410] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 53.000378] R13: ffffa7010147ff10 R14: ffffa7010147ff10 R15: ffff983b44f2b000 # [ 53.014560] FS: 00007fac0ed3d580(0000) GS:ffff983bbac80000(0000) knlGS:0000000000000000 # [ 53.023596] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.030002] CR2: ffffa701022d7e18 CR3: 00000001032f0001 CR4: 00000000003706e0 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 53.135605] lkdtm: Performing direct entry EXEC_KMALLOC # [ 53.143256] lkdtm: attempting ok execution at ffffffffb8edec60 # [ 53.155985] lkdtm: attempting b[ 58.630549] lkdtm: Performing direct entry WRITE_KERN [ 58.638247] lkdtm: attempting bad 6879395 byte write at ffffffffb956e503 [ 58.645766] BUG: unable to handle page fault for address: ffffffffb956e503 [ 58.653455] #PF: supervisor write access in kernel mode ad execution at ffff983b435b2e40 # [ 53.168837] kernel tried [ 58.659290] #PF: error_code(0x0003) - permissions violation [ 58.671724] PGD 71629067 P4D 71629067 PUD 7162a063 PMD 708000e1 [ 58.678432] Oops: 0003 [#16] SMP PTI [ 58.682420] CPU: 2 PID: 2020 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 58.691068] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.697871] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e [ 58.703015] Code: 53 48 c7 c3 03 e5 56 b9 49 89 dc 48 89 da 49 81 ec 60 ec ed b8 4c 89 e6 e8 8a 9b fd ff 48 89 df 4c 89 e1 48 c7 c6 60 ec ed b8 a4 48 c7 c7 50 bb f8 b9 e8 6f 9b fd ff 5b 41 5c e9 b7 fe ff ff [ 58.723984] RSP: 0018:ffffa70102837e50 EFLAGS: 00010246 [ 58.729816] RAX: 000000000000003c RBX: ffffffffb956e503 RCX: 000000000068f8a3 [ 58.737783] RDX: 0000000000000000 RSI: ffffffffb8edec60 RDI: ffffffffb956e503 [ 58.745749] RBP: ffffffffb9f8ad5a R08: 0000000000000000 R09: 0000000000000000 [ 58.753717] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000068f8a3 [ 58.761685] R13: ffffa70102837f10 R14: ffffa70102837f10 R15: ffff983b43bb3000 [ 58.769652] FS: 00007f7e40f1e580(0000) GS:ffff983bbad00000(0000) knlGS:0000000000000000 [ 58.778687] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.785101] CR2: ffffffffb956e503 CR3: 0000000102cf0004 CR4: 00000000003706e0 [ 58.793068] Call Trace: [ 58.795794] direct_entry.cold+0x2c/0x38 [ 58.800171] full_proxy_write+0x53/0x80 [ 58.804450] vfs_write+0xe7/0x3a0 [ 58.808138] ksys_write+0x68/0xf0 [ 58.811836] do_syscall_64+0x30/0x40 [ 58.815824] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 58.821452] RIP: 0033:0x7f7e40e348f3 [ 58.825439] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 58.846416] RSP: 002b:00007fff2f9e6e48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.854869] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f7e40e348f3 [ 58.862837] RDX: 000000000000000b RSI: 00007f7e40d27000 RDI: 0000000000000001 [ 58.870804] RBP: 00007f7e40d27000 R08: 00007f7e40d26010 R09: 0000000000000000 [ 58.878770] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 58.886737] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 58.894708] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify to execute NX-protected page - exploit attempt? (uid: 0) # [ [ 58.921160] CR2: ffffffffb956e503 [ 58.931068] ---[ end trace f45534a0bbd36150 ]--- [ 58.936242] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 58.940618] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 [ 58.961586] RSP: 0018:ffffa7010147fe60 EFLAGS: 00010286 [ 58.967419] RAX: ffffffffb8ede890 RBX: 0000000000000001 RCX: 0000000000000000 [ 58.975386] RDX: 0000000000000000 RSI: ffff983bbad9bf70 RDI: ffffffffb9b9ae90 [ 58.983353] RBP: ffffffffb9fe60d0 R08: 0000000000000001 R09: 0000000000000001 [ 58.991319] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 58.999289] R13: ffffa7010147ff10 R14: ffffa7010147ff10 R15: ffff983b44f2b000 [ 59.007257] FS: 00007f7e40f1e580(0000) GS:ffff983bbad00000(0000) knlGS:0000000000000000 [ 59.016295] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.022710] CR2: ffffffffb956e503 CR3: 0000000102cf0004 CR4: 00000000003706e0 53.183384] BUG: unable to handle page fault for address: ffff983b435b2e40 # [ 53.191063] #PF: supervisor instruction fetch in kernel mode # [ 53.203594] #PF: error_code(0x0011) - permissions violation # [ 53.209815] PGD 72e01067 P4D 72e01067 PUD 10084e063 PMD 1034c7063 PTE 80000001035b2063 # [ 53.218661] Oops: 0011 [#7] SMP PTI # [ 53.228765] CPU: 1 PID: 1701 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 53.237412] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.244232] RIP: 0010:0xffff983b435b2e40 # [ 53.248615] Code: 00 00 02 00 00 00 00 00 00 00 80 2e 5b 43 3b 98 ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 1b 24 70 b8 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 53.275807] RSP: 0018:ffffa7010238fe38 EFLAGS: 00010246 # [ 53.281631] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 53.289598] RDX: 0000000000000000 RSI: ffff983bbac9bf70 RDI: ffff983bbac9bf70 # [ 53.297566] RBP: ffff983b435b2e40 R08: 0000000000000000 R09: 0000000000000000 # [ 53.305533] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 53.313499] R13: ffffa7010238ff10 R14: ffffa7010238ff10 R15: ffff983b42a73000 # [ 53.321466] FS: 00007fc733978580(0000) GS:ffff983bbac80000(0000) knlGS:00000000000000[ 59.156879] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW [ 59.167941] lkdtm: attempting good refcount_inc() without overflow [ 59.174852] lkdtm: attempting bad refcount_inc() overflow [ 59.180883] ------------[ cut here ]------------ [ 59.186062] refcount_t: saturated; leaking memory. [ 59.191442] WARNING: CPU: 3 PID: 2055 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 00 # [ 53.330502] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080[ 59.200874] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 59.233506] CPU: 3 PID: 2055 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 59.242180] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 59.248988] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 59.254822] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d cf 49 94 01 00 75 ee 48 c7 c7 a0 67 f2 b9 c6 05 bf 49 94 01 01 e8 6a 86 98 00 <0f> 0b c3 cc cc cc cc 80 3d ab 49 94 01 00 75 cb 48 c7 c7 c8 67 f2 [ 59.275807] RSP: 0018:ffffa70102907e48 EFLAGS: 00010286 [ 59.281644] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 [ 59.289615] RDX: ffff983bbadac660 RSI: ffff983bbad9bf70 RDI: ffff983bbad9bf70 [ 59.297586] RBP: ffffffffb9f8ad65 R08: 0000000000000000 R09: 0000000000000000 [ 59.305557] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 59.313527] R13: ffffa70102907f10 R14: ffffa70102907f10 R15: ffff983b44ea8000 [ 59.321499] FS: 00007ff77d2ce580(0000) GS:ffff983bbad80000(0000) knlGS:0000000000000000 [ 59.330539] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.336957] CR2: 00007ff77d0d7000 CR3: 0000000102a4a004 CR4: 00000000003706e0 [ 59.344929] Call Trace: [ 59.347659] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 [ 59.353041] direct_entry.cold+0x2c/0x38 [ 59.357424] full_proxy_write+0x53/0x80 [ 59.361739] vfs_write+0xe7/0x3a0 [ 59.365470] ksys_write+0x68/0xf0 [ 59.369194] do_syscall_64+0x30/0x40 [ 59.373184] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 59.378825] RIP: 0033:0x7ff77d1e48f3 [ 59.382814] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 59.403796] RSP: 002b:00007fff540431c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.412254] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007ff77d1e48f3 [ 59.420245] RDX: 0000000000000016 RSI: 00007ff77d0d7000 RDI: 0000000000000001 [ 59.428234] RBP: 00007ff77d0d7000 R08: 00007ff77d0d6010 R09: 0000000000000000 050033 # [ 53.336915] CR2: ffff983b435b2e40 CR3: 0000000103b4[ 59.436214] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 a001 CR4: 00000000003706e0 # [ 53.344883] Call Trace: # [ [ 59.450397] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 53.347612] ? execute_location+0x45/0x56 # [ 53.352087] ? lk[ 59.464590] irq event stamp: 0 [ 59.474213] hardirqs last enabled at (0): [<0000000000000000>] 0x0 dtm_EXEC_KMALLOC+0x2c/0x40 # [ 53.362965] ? direct_entry.col[ 59.481238] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 59.496580] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 59.505742] softirqs last disabled at (0): [<0000000000000000>] 0x0 d+0x2c/0x38 # [ 53.367529] ? full_proxy_write+0x53/0x80 # [[ 59.512757] ---[ end trace f45534a0bbd36151 ]--- [ 59.524115] lkdtm: Overflow detected: saturated 53.372005] ? vfs_write+0xe7/0x3a0 # [ 53.375898] ? ksys_write+0x68/0xf0 # [ 53.379790] ? do_syscall_64+0x30/0x40 # [ 53.383971] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 53.389806] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 53.422437] CR2: ffff983b435b2e40 # [ 53.426134] ---[ end trace f45534a0bbd36147 ]--- # [ 53.431293] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 53.435670] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 # [ 53.456639] RSP: 0018:ffffa7010147fe60 EFLAGS: 00010286 # [ 53.462471] RAX: ffffffffb8ede890 RBX: 0000000000000001 RCX: 0000000000000000 # [ 53.470439] RDX: 0000000000000000 RSI: ffff983bbad9bf70 RDI: ffffffffb9b9ae90 # [ 53.478406] RBP: ffffffffb9fe60[ 59.629118] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW d0 R08: 0000000000000001 R09: 0000000000000001 # [ 53.486374][ 59.641651] lkdtm: attempting good refcount_add() without overflow R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000000000[ 59.654784] lkdtm: attempting bad refcount_add() overflow [ 59.667007] ------------[ cut here ]------------ 04 # [ 53.494342] R13: ffffa7010147ff10 R14: ffffa7010147ff10[ 59.672163] refcount_t: saturated; leaking memory. R15: ffff983b44f2b000 # [ 53.502311] FS: 00007fc733978580(0[ 59.683755] WARNING: CPU: 1 PID: 2087 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 000) GS:ffff983bbac80000(0000) knlGS:0000000000000000 # [ 53.[ 59.699366] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 59.732002] CPU: 1 PID: 2087 Comm: cat Tainted: G D W 5.10.145-cip17 #1 511339] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ [ 59.740655] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 53.517754] CR2: ffff983b435b2e40 CR3: 0000000103b4a001 CR4: 000[ 59.753679] RIP: 0010:refcount_warn_saturate+0x51/0x110 00000003706e0 # [ 53.525721] BUG: sleeping function called fr[ 59.765723] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d cf 49 94 01 00 75 ee 48 c7 c7 a0 67 f2 b9 c6 05 bf 49 94 01 01 e8 6a 86 98 00 <0f> 0b c3 cc cc cc cc 80 3d ab 49 94 01 00 75 cb 48 c7 c7 c8 67 f2 om invalid context at include/linux/percpu-rwsem.h:49 # [ 53.[ 59.792921] RSP: 0018:ffffa701029a7e48 EFLAGS: 00010286 535629] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1[ 59.804996] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 701, name: cat # [ 53.544082] INFO: lockdep is turned off. #[ 59.819180] RDX: ffff983bbacac660 RSI: ffff983bbac9bf70 RDI: ffff983bbac9bf70 [ 59.833342] RBP: ffffffffb9f8ad7b R08: 0000000000000000 R09: 0000000000000000 [ 53.548457] irq event stamp: 0 # [ 53.551862] hardirqs la[ 59.841313] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 59.855494] R13: ffffa701029a7f10 R14: ffffa701029a7f10 R15: ffff983b433e7000 st enabled at (0): [<0000000000000000>] 0x0 # [ 53.558860] h[ 59.863469] FS: 00007f43c395e580(0000) GS:ffff983bbac80000(0000) knlGS:0000000000000000 [ 59.878715] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ardirqs last disabled at (0): [] copy_process+[ 59.885133] CR2: 00007f43c3767000 CR3: 00000001026de003 CR4: 00000000003706e0 [ 59.899313] Call Trace: 0x640/0x1c80 # [ 53.567984] softirqs last enabled at (0): [<[ 59.902047] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 ffffffffb8700cf0>] copy_process+0x640/0x1c80 # [ 53.577115] s[ 59.913602] direct_entry.cold+0x2c/0x38 oftirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 53[ 59.924196] full_proxy_write+0x53/0x80 .584112] CPU: 1 PID: 1701 Comm: cat Tainted: G D W [ 59.934694] vfs_write+0xe7/0x3a0 5.10.145-cip17 #1 # [ 53.592760] Hardware name: Google Rammus[ 59.944607] ksys_write+0x68/0xf0 /Rammus, BIOS 09/04/2020 # [ 53.599562] Call Trace: # [ 5[ 59.954522] do_syscall_64+0x30/0x40 3.602305] dump_stack+0x77/0x9b # [ 53.606003] ___might_slee[ 59.964728] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 59.976584] RIP: 0033:0x7f43c38748f3 p.cold+0xa6/0xb6 # [ 53.616785] exit_signals+0x1c/0x2e0 # [[ 59.980577] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 60.007767] RSP: 002b:00007ffefc088a08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 53.620774] do_exit+0xd5/0xb00 # [ 53.624288] ? ksys_writ[ 60.016227] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f43c38748f3 e+0x68/0xf0 # [ 53.628188] rewind_stack_do_exit+0x17/0x20 #[ 60.030412] RDX: 0000000000000016 RSI: 00007f43c3767000 RDI: 0000000000000001 [ 53.639066] RIP: 0033:0x7fc73388e8f3 # [ 53.643046] Code:[ 60.044599] RBP: 00007f43c3767000 R08: 00007f43c3766010 R09: 0000000000000000 [ 60.058786] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f [ 60.066759] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <[ 60.080963] irq event stamp: 0 [ 60.090565] hardirqs last enabled at (0): [<0000000000000000>] 0x0 48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 [ 60.097568] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 60.112913] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 18 # [ 53.664017] RSP: 002b:00007ffcfc7a21a8 EFLAGS: 00000246[ 60.122051] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 60.135259] ---[ end trace f45534a0bbd36152 ]--- ORIG_RAX: 0000000000000001 # [ 53.672472] RAX: fffffffffffff[ 60.140416] lkdtm: Overflow detected: saturated fda RBX: 000000000000000d RCX: 00007fc73388e8f3 # [ 53.680440] RDX: 000000000000000d RSI: 00007fc733781000 RDI: 0000000000000001 # [ 53.688408] RBP: 00007fc733781000 R08: 00007fc733780010 R09: 0000000000000000 # [ 53.696374] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 53.704341] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_KMALLOC: saw 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # selftests: lkdtm: EXEC_VMALLOC.sh # Killed # [ 53.811758] lkdtm: Performing direct entry EXEC_VMALLOC # [ 53.823843] lkdtm: attempting ok execution at ffffffffb8edec60 # [ 53.836584] lkdtm: attempting bad execution at ffffa7010067f000 # [ 53.849404] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 53.863937] BUG: unable to handle page fault for address: ffffa7010067f000 # [ 53.871613] #PF: supervisor instruction fetch in kernel mode # [ 53.877932] #PF: error_code(0x0011) - permissions violation # [ 53.884152] PGD 100000067 P4D 100000067 PUD 100211067 PMD 104fe3067 [ 60.252414] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW PTE 8000000105a91063 # [ 53.893197] Oops: 0011 [#8] SMP PTI [ 60.264923] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 53.897089] CPU: 0 PID: 1737 Comm: cat Tainted: G D W [ 60.278046] ------------[ cut here ]------------ 5.10.145-cip17 #1 # [ 53.905736] Hardware name: Googl[ 60.289411] refcount_t: saturated; leaking memory. e Rammus/Rammus, BIOS 09/04/2020 # [ 53.912539] RIP: 0010:0x[ 60.300989] WARNING: CPU: 1 PID: 2119 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 ffffa7010067f000 # [ 53.916915] Code: Unable to access opcode[ 60.316623] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify bytes at RIP 0xffffa7010067efd6. # [ 53.924583] RSP: 0018:ff[ 60.349260] CPU: 1 PID: 2119 Comm: cat Tainted: G D W 5.10.145-cip17 #1 ffa7010240fe38 EFLAGS: 00010246 [ 60.364128] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 60.374138] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 60.379979] Code: 01 01 e8 47 86 98 00 0f 0b c3 cc cc cc cc 80 3d 8a 49 94 01 00 75 a8 48 c7 c7 a0 67 f2 b9 c6 05 7a 49 94 01 01 e8 24 86 98 00 <0f> 0b c3 cc cc cc cc 80 3d 64 49 94 01 00 75 85 48 c7 c7 f8 67 f2 [ 60.400973] RSP: 0018:ffffa70102a27e38 EFLAGS: 00010282 [ 60.406809] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 60.414783] RDX: ffff983bbacac660 RSI: ffff983bbac9bf70 RDI: ffff983bbac9bf70 # [ 53.930406] RAX: 0000000000000033 RBX: 0000000000000001 RCX[ 60.422755] RBP: ffffffffb9f8a9b8 R08: 0000000000000000 R09: 0000000000000000 : 0000000000000000 # [ 53.938375] RDX: 0000000000000000 RSI: [ 60.436938] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 60.451125] R13: ffffa70102a27f10 R14: ffffa70102a27f10 R15: ffff983b42c78000 ffff983bbac1bf70 RDI: ffff983bbac1bf70 # [ 53.946342] RBP: ff[ 60.459122] FS: 00007f60f1ea7580(0000) GS:ffff983bbac80000(0000) knlGS:0000000000000000 ffa7010067f000 R08: 0000000000000000 R09: 0000000000000000 [ 60.474373] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.486616] CR2: 00007f60f1cb0000 CR3: 0000000102a14001 CR4: 00000000003706e0 # [ 53.954310] R10: 00000000ffffe000 R11: 3fffffffffffffff R12[ 60.494589] Call Trace: : 000000000000000d # [ 53.962292] R13: ffffa7010240ff10 R14: [ 60.503535] __refcount_add_not_zero.constprop.0+0x2a/0x35 ffffa7010240ff10 R15: ffff983b45a91000 # [ 53.970262] FS: 00[ 60.515875] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 007fdcc4c95580(0000) GS:ffff983bbac00000(0000) knlGS:00000000000[ 60.528314] direct_entry.cold+0x2c/0x38 00000 [ 60.538909] full_proxy_write+0x53/0x80 # [ 53.979292] CS: 0010 DS: 0000 ES: 0000 CR0: 00000000800500[ 60.543896] vfs_write+0xe7/0x3a0 33 # [ 53.985706] CR2: ffffa7010067efd6 CR3: 0000000104df8002[ 60.553809] ksys_write+0x68/0xf0 CR4: 00000000003706f0 # [ 53.993674] Call Trace: [ 60.563724] do_syscall_64+0x30/0x40 # [ 53.996402] ? execute_location+0x45/0x56[ 60.572959] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 54.000874] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 54.005[ 60.583070] RIP: 0033:0x7f60f1dbd8f3 542] ? direct_entry.cold+0x2c/0x38 # [ 54.010114] ? full_pr[ 60.593295] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 60.620491] RSP: 002b:00007fff26001428 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 oxy_write+0x53/0x80 # [ 54.014594] ? vfs_write+0xe7/0x3a0[ 60.628952] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f60f1dbd8f3 [ 60.642840] RDX: 000000000000001f RSI: 00007f60f1cb0000 RDI: 0000000000000001 [ 60.651007] RBP: 00007f60f1cb0000 R08: 00007f60f1caf010 R09: 0000000000000000 [ 60.658983] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 54.018486] ? ksys_write+0x68/0xf0 # [ 54.022377] ? do[ 60.666956] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 _syscall_64+0x30/0x40 # [ 54.026559] ? entry_SYSCALL_64_afte[ 60.681146] irq event stamp: 0 r_hwframe+0x61/0xc6 # [ 54.032394] Modules linked in: fuse ip[ 60.690764] hardirqs last enabled at (0): [<0000000000000000>] 0x0 _tables cros_ec_sensors cros_ec_sensors_core industrialio_trigge[ 60.703985] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 red_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar[ 60.719336] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_[ 60.734694] softirqs last disabled at (0): [<0000000000000000>] 0x0 thermal cros_ec_dev cros_usbpd_notify # [ 54.058828] CR2: fff[ 60.747905] ---[ end trace f45534a0bbd36153 ]--- fa7010067f000 # [ 54.062523] ---[ end trace f45534a0bbd36148 [ 60.759271] lkdtm: Overflow detected: saturated ]--- # [ 54.067676] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 54.072041] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 # [ 54.093020] RSP: 0018:ffffa7010147fe60 EFLAGS: 00010286 # [ 54.098844] RAX: ffffffffb8ede890 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.106812] RDX: 0000000000000000 RSI: ffff983bbad9bf70 RDI: ffffffffb9b9ae90 # [ 54.114778] RBP: ffffffffb9fe60d0 R08: 0000000000000001 R09: 0000000000000001 # [ 54.122744] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 54.130710] R13: ffffa7010147ff10 R14: ffffa7010147ff10 R15: ffff983b44f2b000 # [ 54.138679] FS: 00007fdcc4c95580(0000) GS:ffff983bbac00000(0000) knlGS:0000000000000000 # [ 54.147705] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.154118] CR2: ffffa7010067efd6 CR3: 0000000104df8002 CR4: 00000000003706f0 # EXEC_VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selfte[ 60.875042] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW [ 60.883803] lkdtm: attempting bad refcount_add_not_zero() overflow [ 60.890725] ------------[ cut here ]------------ [ 60.895895] refcount_t: saturated; leaking memory. sts: lkdtm: EXEC_RODATA.sh # Killed # [ 54.331580] lkdtm: Pe[ 60.901267] WARNING: CPU: 2 PID: 2151 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 [ 60.916896] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify rforming direct entry EXEC_RODATA # [ 54.341906] lkdtm: attem[ 60.943356] CPU: 2 PID: 2151 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 60.958212] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 pting ok execution at ffffffffb8edec60 # [ 54.348442] lkdtm: [ 60.965027] RIP: 0010:refcount_warn_saturate+0x97/0x110 attempting bad execution at ffffffffb9b9b320 # [ 54.355079] k[ 60.977075] Code: 01 01 e8 47 86 98 00 0f 0b c3 cc cc cc cc 80 3d 8a 49 94 01 00 75 a8 48 c7 c7 a0 67 f2 b9 c6 05 7a 49 94 01 01 e8 24 86 98 00 <0f> 0b c3 cc cc cc cc 80 3d 64 49 94 01 00 75 85 48 c7 c7 f8 67 f2 [ 61.004272] RSP: 0018:ffffa70102a9fe38 EFLAGS: 00010282 [ 61.010113] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 61.018106] RDX: ffff983bbad2c660 RSI: ffff983bbad1bf70 RDI: ffff983bbad1bf70 ernel tried to execute NX-protected page - exploit attempt? (uid[ 61.026088] RBP: ffffffffb9f8a9d8 R08: 0000000000000000 R09: 0000000000000000 [ 61.040280] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 61.048288] R13: ffffa70102a9ff10 R14: ffffa70102a9ff10 R15: ffff983b42a74000 [ 61.056261] FS: 00007efeb22be580(0000) GS:ffff983bbad00000(0000) knlGS:0000000000000000 [ 61.065301] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.071719] CR2: 00007efeb20c7000 CR3: 00000001032fe002 CR4: 00000000003706e0 [ 61.079688] Call Trace: [ 61.082419] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 61.088578] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 [ 61.094824] direct_entry.cold+0x2c/0x38 [ 61.099204] full_proxy_write+0x53/0x80 : 0) # [ 54.363448] BUG: unable to handle page fault for addr[ 61.103515] vfs_write+0xe7/0x3a0 [ 61.113423] ksys_write+0x68/0xf0 [ 61.117123] do_syscall_64+0x30/0x40 [ 61.121116] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 61.126757] RIP: 0033:0x7efeb21d48f3 [ 61.130748] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 61.151730] RSP: 002b:00007ffe5cf35878 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 61.160187] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007efeb21d48f3 [ 61.168157] RDX: 000000000000001f RSI: 00007efeb20c7000 RDI: 0000000000000001 [ 61.176126] RBP: 00007efeb20c7000 R08: 00007efeb20c6010 R09: 0000000000000000 [ 61.184096] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 61.192069] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 61.200045] irq event stamp: 0 ess: ffffffffb9b9b320 # [ 54.371131] #PF: supervisor instruct[ 61.203477] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 61.216687] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 61.225824] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 61.234959] softirqs last disabled at (0): [<0000000000000000>] 0x0 ion fetch in kernel mode # [ 54.377450] #PF: error_code(0x001[ 61.241960] ---[ end trace f45534a0bbd36154 ]--- [ 61.253332] lkdtm: Overflow detected: saturated 1) - permissions violation # [ 54.383672] PGD 71629067 P4D 71629067 PUD 7162a063 PMD 8000000070e000e1 # [ 54.391157] Oops: 0011 [#9] SMP PTI # [ 54.395048] CPU: 3 PID: 1773 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 54.403688] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.410498] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 54.416234] Code: ff ff f8 fa 56 b9 ff ff ff ff 22 af f8 b9 ff ff ff ff 3e e2 56 b9 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 # [ 54.443423] RSP: 0018:ffffa7010248fe48 EFLAGS: 00010246 # [ 54.449247] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 54.457230] RDX: 0000000000000000 RSI: ffff983bbad9bf70 RDI: ffff983bbad9bf70 # [ 54.465207] RBP: ffffffffb9b9b320 R08: 0000000000000000 R09: 0000000000000000 # [ 54.473165] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 54.481132] R13: ffffa7010248ff10 R14: ffffa7010248ff10 R15: ffff983b438f0000 # [ 54.489101] FS: 00007fc5f0516580(0000) GS:ffff983bbad80000(0000) knlGS:0000000000000000 # [ 54.498137] CS: 0010 DS: 0000 ES: 0000 CR0[ 61.374024] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO [ 61.382812] lkdtm: attempting good refcount_dec() [ 61.388074] lkdtm: attempting bad refcount_dec() to zero [ 61.394014] ------------[ cut here ]------------ [ 61.399174] refcount_t: decrement hit 0; leaking memory. [ 61.405158] WARNING: CPU: 3 PID: 2183 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 : 0000000080050033 # [ 54.504550] CR2: ffffffffb9b9b320 CR3: [ 61.414593] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 61.447240] CPU: 3 PID: 2183 Comm: cat Tainted: G D W 5.10.145-cip17 #1 00000001034a0005 CR4: 00000000003706e0 # [ 54.512518] Call Tr[ 61.455900] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 61.468917] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 61.474755] Code: 50 68 f2 b9 c6 05 2b 49 94 01 01 e8 da 85 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 20 68 f2 b9 c6 05 12 49 94 01 01 e8 c0 85 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 61.495742] RSP: 0018:ffffa70102affe48 EFLAGS: 00010286 [ 61.501602] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 [ 61.509575] RDX: ffff983bbadac660 RSI: ffff983bbad9bf70 RDI: ffff983bbad9bf70 [ 61.517546] RBP: ffffffffb9f8ad91 R08: 0000000000000000 R09: 0000000000000000 ace: # [ 54.515245] ? execute_location+0x45/0x56 # [ 54.5[ 61.525522] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 61.539713] R13: ffffa70102afff10 R14: ffffa70102afff10 R15: ffff983b44d72000 [ 61.547717] FS: 00007f7225c12580(0000) GS:ffff983bbad80000(0000) knlGS:0000000000000000 [ 61.556759] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.563177] CR2: 00007f7225a1b000 CR3: 0000000104da4003 CR4: 00000000003706e0 [ 61.571149] Call Trace: [ 61.573900] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd 19720] ? direct_entry.cold+0x2c/0x38 # [ 54.524301] ? full_[ 61.578871] direct_entry.cold+0x2c/0x38 [ 61.589485] full_proxy_write+0x53/0x80 proxy_write+0x53/0x80 # [ 54.528775] ? vfs_write+0xe7/0x3a0[ 61.593779] vfs_write+0xe7/0x3a0 [ 61.603685] ksys_write+0x68/0xf0 [ 61.607412] do_syscall_64+0x30/0x40 [ 61.611429] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 61.617096] RIP: 0033:0x7f7225b288f3 [ 61.621087] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 61.642073] RSP: 002b:00007ffe479b95a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 61.650532] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f7225b288f3 [ 61.658503] RDX: 0000000000000012 RSI: 00007f7225a1b000 RDI: 0000000000000001 # [ 54.532667] ? ksys_write+0x68/0xf0 # [ 54.536558] ? d[ 61.666475] RBP: 00007f7225a1b000 R08: 00007f7225a1a010 R09: 0000000000000000 [ 61.680665] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 61.688670] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 61.696666] irq event stamp: 0 o_syscall_64+0x30/0x40 # [ 54.540741] ? entry_SYSCALL_64_aft[ 61.700075] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 61.713304] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 61.722472] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 61.731610] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 61.738610] ---[ end trace f45534a0bbd36155 ]--- [ 61.743767] lkdtm: Zero detected: saturated er_hwframe+0x61/0xc6 # [ 54.546568] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 54.573020] CR2: ffffffffb9b9b320 # [ 54.582929] ---[ end trace f45534a0bbd36149 ]--- # [ 54.588084] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 54.592460] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 # [ 54.613438] RSP: 0018:ffffa7010147fe60 EFLAGS: 00010286 # [ 54.619282] RAX: ffffffffb8ede890 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.627298] RDX: 0000000000000000 RSI: ffff983bbad9bf70 RDI: ffffffffb9b9ae90 # [ 54.635265] RBP: ffffffffb9fe60d0 R08: 0000000000000001 R09: 0000000000000001 # [ 54.643239] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 54.651206] R13: ffffa7010147ff10 R14: ffffa7010147ff10 R15: ffff983b44f2b000 # [ 54.659172] FS: 00007fc5f0516580(0000) GS:ffff983bbad80000(0000) knlGS:0000000000000000 # [ 54.668208] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.674622] CR2: ffffffffb9b9b320 CR3: 00000001034a0005 CR4: 00000000003706e0 # [ 54.682588] BUG: sleeping function called from invalid context at include/linux/pe[ 61.888967] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE rcpu-rwsem.h:49 # [ 54.692498] in_atomic(): 0, irqs_disabled([ 61.898129] lkdtm: attempting bad refcount_dec() below zero ): 1, non_block: 0, pid: 1773, name: cat # [ 54.700951] INFO:[ 61.910569] ------------[ cut here ]------------ lockdep is turned off. # [ 54.705324] irq event stamp: 0 # [ 61.921938] refcount_t: decrement hit 0; leaking memory. [ 54.708728] hardirqs last enabled at (0): [<0000000000000000[ 61.934117] WARNING: CPU: 1 PID: 2218 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 >] 0x0 # [ 54.715726] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 54.724850] softirq[ 61.982401] CPU: 1 PID: 2218 Comm: cat Tainted: G D W 5.10.145-cip17 #1 s last enabled at (0): [] copy_process+0x640/[ 61.997252] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 0x1c80 # [ 54.733983] softirqs last disabled at (0): [<000000[ 62.010290] RIP: 0010:refcount_warn_saturate+0xfb/0x110 0000000000>] 0x0 # [ 54.740981] CPU: 3 PID: 1773 Comm: cat Ta[ 62.022366] Code: 50 68 f2 b9 c6 05 2b 49 94 01 01 e8 da 85 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 20 68 f2 b9 c6 05 12 49 94 01 01 e8 c0 85 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b inted: G D W 5.10.145-cip17 #1 # [ 54.749628] Ha[ 62.049563] RSP: 0018:ffffa70102bc7e48 EFLAGS: 00010286 rdware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.75[ 62.061612] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 6428] Call Trace: # [ 54.759154] dump_stack+0x77/0x9b # [ [ 62.075796] RDX: ffff983bbacac660 RSI: ffff983bbac9bf70 RDI: ffff983bbac9bf70 54.762843] ___might_sleep.cold+0xa6/0xb6 # [ 54.767413] ex[ 62.089982] RBP: ffffffffb9f8ada3 R08: 0000000000000000 R09: 0000000000000000 it_signals+0x1c/0x2e0 # [ 54.771392] do_exit+0xd5/0xb00 # [[ 62.104168] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 54.774894] ? ksys_write+0x68/0xf0 # [ 54.778785] rewind_[ 62.118353] R13: ffffa70102bc7f10 R14: ffffa70102bc7f10 R15: ffff983b4349c000 stack_do_exit+0x17/0x20 # [ 54.783452] RIP: 0033:0x7fc5f042c8[ 62.132540] FS: 00007f08c67cd580(0000) GS:ffff983bbac80000(0000) knlGS:0000000000000000 f3 # [ 54.787439] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c[ 62.147794] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75[ 62.160427] CR2: 00007f08c65d6000 CR3: 00000001032fe002 CR4: 00000000003706e0 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 0[ 62.174612] Call Trace: 0 48 83 ec 28 48 89 54 24 18 # [ 54.808417] RSP: 002b:00007ff[ 62.183560] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 c9005f378 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 54.[ 62.195126] direct_entry.cold+0x2c/0x38 816869] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fc[ 62.205719] full_proxy_write+0x53/0x80 5f042c8f3 # [ 54.824837] RDX: 000000000000000c RSI: 00007fc5f[ 62.216232] vfs_write+0xe7/0x3a0 031f000 RDI: 0000000000000001 # [ 54.832806] RBP: 00007fc5f03[ 62.226152] ksys_write+0x68/0xf0 1f000 R08: 00007fc5f031e010 R09: 0000000000000000 # [ 54.8407[ 62.236069] do_syscall_64+0x30/0x40 73] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 00000000000[ 62.246292] entry_SYSCALL_64_after_hwframe+0x61/0xc6 00001 # [ 54.848740] R13: 0000000000000001 R14: 0000000000020[ 62.258151] RIP: 0033:0x7f08c66e38f3 [ 62.268355] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 000 R15: 0000000000020000 # EXEC_RODATA: saw 'call trace:': ok[ 62.289339] RSP: 002b:00007fffe0eb2c48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 62.304004] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f08c66e38f3 ok 34 selftests: lkdtm: EXEC_RODATA.sh # selftests: lkdtm: EXE[ 62.311977] RDX: 0000000000000016 RSI: 00007f08c65d6000 RDI: 0000000000000001 [ 62.326157] RBP: 00007f08c65d6000 R08: 00007f08c65d5010 R09: 0000000000000000 C_USERSPACE.sh # Killed # [ 54.964544] lkdtm: Performing dir[ 62.334131] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 62.348307] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ect entry EXEC_USERSPACE # [ 54.974659] lkdtm: attempting ok [ 62.356316] irq event stamp: 0 [ 62.365910] hardirqs last enabled at (0): [<0000000000000000>] 0x0 execution at ffffffffb8edec60 # [ 54.987429] lkdtm: attemptin[ 62.372913] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 g bad execution at 00007fda373ef000 # [ 55.000239] unable to [ 62.388258] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 62.403608] softirqs last disabled at (0): [<0000000000000000>] 0x0 execute userspace code (SMEP?) (uid: 0) # [ 55.012841] BUG: u[ 62.410609] ---[ end trace f45534a0bbd36156 ]--- nable to handle page fault for address: 00007fda373ef000 # [ [ 62.421974] lkdtm: Negative detected: saturated 55.020522] #PF: supervisor instruction fetch in kernel mode # [ 55.033056] #PF: error_code(0x0011) - permissions violation # [ 55.039283] PGD 8000000104ed2067 P4D 8000000104ed2067 PUD 104c31067 PMD 104cea067 PTE 1158a7067 # [ 55.049006] Oops: 0011 [#10] SMP PTI # [ 55.059209] CPU: 1 PID: 1809 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 55.067858] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.074663] RIP: 0010:0x7fda373ef000 # [ 55.078651] Code: Unable to access opcode bytes at RIP 0x7fda373eefd6. # [ 55.085937] RSP: 0018:ffffa7010250fe50 EFLAGS: 00010246 # [ 55.091770] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 # [ 55.099741] RDX: 0000000000000000 RSI: ffff983bbac9bf70 RDI: ffff983bbac9bf70 # [ 55.107710] RBP: 00007fda373ef000 R08: 0000000000000000 R09: 0000000000000000 # [ 55.115678] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f # [ 55.123647] R13: ffffa7010250ff10 R14: ffffa7010250ff10 R15: ffff983b46442000 # [ 55.131610] FS: 00007fda373c0580(0000) GS:ffff983bbac80000(0000) knlGS:0000000000000000 # [ 55.140640] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.147055] CR2: 00007fda373ef000 CR3: 0000000104038001 CR4: 00000000003706e0 # [ 55.155024] Call Trace: # [ 55.157753] ? lkdtm_EXEC[ 62.559061] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE [ 62.571347] lkdtm: attempting bad refcount_dec_and_test() below zero [ 62.578452] ------------[ cut here ]------------ _USERSPACE.cold+0x66/0xae # [ 55.163103] ? direct_entry.cold[ 62.583620] refcount_t: underflow; use-after-free. +0x2c/0x38 # [ 55.173887] ? full_proxy_write+0x53/0x80 # [ [ 62.595194] WARNING: CPU: 3 PID: 2253 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 [ 62.610829] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 55.178364] ? vfs_write+0xe7/0x3a0 # [ 55.188466] ? ksys_w[ 62.637286] CPU: 3 PID: 2253 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 62.652168] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 rite+0x68/0xf0 # [ 55.192359] ? do_syscall_64+0x30/0x40 # [[ 62.658986] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 62.671025] Code: 01 01 e8 24 86 98 00 0f 0b c3 cc cc cc cc 80 3d 64 49 94 01 00 75 85 48 c7 c7 f8 67 f2 b9 c6 05 54 49 94 01 01 e8 01 86 98 00 <0f> 0b c3 cc cc cc cc 80 3d 3f 49 94 01 00 0f 85 5e ff ff ff 48 c7 [ 62.692006] RSP: 0018:ffffa70102c57e40 EFLAGS: 00010286 [ 62.697840] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 [ 62.705812] RDX: ffff983bbadac660 RSI: ffff983bbad9bf70 RDI: ffff983bbad9bf70 [ 62.713781] RBP: ffffffffb9f8a9f8 R08: 0000000000000000 R09: 0000000000000000 [ 62.721751] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 62.729723] R13: ffffa70102c57f10 R14: ffffa70102c57f10 R15: ffff983b44de1000 [ 62.737695] FS: 00007fa4ee393580(0000) GS:ffff983bbad80000(0000) knlGS:0000000000000000 [ 62.746735] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.753152] CR2: 00007fa4ee19c000 CR3: 00000001032a4004 CR4: 00000000003706e0 [ 62.761121] Call Trace: [ 62.763851] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 62.770008] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 55.196541] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ [ 62.776249] direct_entry.cold+0x2c/0x38 [ 62.786844] full_proxy_write+0x53/0x80 [ 62.791152] vfs_write+0xe7/0x3a0 [ 62.794853] ksys_write+0x68/0xf0 [ 62.798555] do_syscall_64+0x30/0x40 [ 62.802547] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 62.808190] RIP: 0033:0x7fa4ee2a98f3 [ 62.812180] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 62.833165] RSP: 002b:00007ffd14746d48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 62.841621] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fa4ee2a98f3 [ 62.849593] RDX: 000000000000001f RSI: 00007fa4ee19c000 RDI: 0000000000000001 [ 62.857562] RBP: 00007fa4ee19c000 R08: 00007fa4ee19b010 R09: 0000000000000000 55.202379] Modules linked in: fuse ip_tables cros_ec_sensors cr[ 62.865526] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 62.879714] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 os_ec_sensors_core industrialio_triggered_buffer kfifo_buf indus[ 62.887691] irq event stamp: 0 [ 62.897304] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 62.904306] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 62.913442] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 62.922577] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 62.929577] ---[ end trace f45534a0bbd36157 ]--- [ 62.934732] lkdtm: Negative detected: saturated trialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 55.235018] CR2: 00007fda373ef000 # [ 55.238715] ---[ end trace f45534a0bbd3614a ]--- # [ 55.243868] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 55.248244] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 # [ 55.269242] RSP: 0018:ffffa7010147fe60 EFLAGS: 00010286 # [ 55.275075] RAX: ffffffffb8ede890 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.283044] RDX: 0000000000000000 RSI: ffff983bbad9bf70 RDI: ffffffffb9b9ae90 # [ 55.291014] RBP: ffffffffb9fe60d0 R08: 0000000000000001 R09: 0000000000000001 # [ 55.298982] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 55.306952] R13: ffffa7010147ff10 R14: ffffa7010147ff10 R15: ffff983b44f2b000 # [ 55.314921] FS: 00007fda373c0580(0000) GS:ffff983bbac80000(0000) knlGS:0000000000000000 # [ 55.323957] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.330372] CR2: 00007fda373ef000 CR3: 0000000104038001 CR4: 00000000003706e0 # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.[ 63.065269] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE sh # Killed # [ 55.482609] lkdtm: Performing direct entry EX[ 63.077931] lkdtm: attempting bad refcount_sub_and_test() below zero EC_NULL # [ 55.493083] lkdtm: attempting ok execution at ffff[ 63.091261] ------------[ cut here ]------------ [ 63.102625] refcount_t: underflow; use-after-free. ffffb8edec60 # [ 55.505823] lkdtm: attempting bad execution a[ 63.108005] WARNING: CPU: 1 PID: 2288 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 t 0000000000000000 # [ 55.518646] BUG: kernel NULL pointer de[ 63.123613] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify reference, address: 0000000000000000 # [ 55.532596] #PF: supe[ 63.156255] CPU: 1 PID: 2288 Comm: cat Tainted: G D W 5.10.145-cip17 #1 rvisor instruction fetch in kernel mode # [ 55.538915] #PF: e[ 63.171123] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 rror_code(0x0010) - not-present page # [ 55.544648] PGD 0 P4D[ 63.184146] RIP: 0010:refcount_warn_saturate+0xba/0x110 0 # [ 55.547473] Oops: 0010 [#11] SMP PTI # [ 55.551462][ 63.196196] Code: 01 01 e8 24 86 98 00 0f 0b c3 cc cc cc cc 80 3d 64 49 94 01 00 75 85 48 c7 c7 f8 67 f2 b9 c6 05 54 49 94 01 01 e8 01 86 98 00 <0f> 0b c3 cc cc cc cc 80 3d 3f 49 94 01 00 0f 85 5e ff ff ff 48 c7 CPU: 0 PID: 1845 Comm: cat Tainted: G D W 5.10.145[ 63.223422] RSP: 0018:ffffa70102cefe40 EFLAGS: 00010286 -cip17 #1 # [ 55.560111] Hardware name: Google Rammus/Rammus,[ 63.235445] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 BIOS 09/04/2020 # [ 55.566915] RIP: 0010:0x0 # [ 55.5698[ 63.249627] RDX: ffff983bbacac660 RSI: ffff983bbac9bf70 RDI: ffff983bbac9bf70 27] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd[ 63.263813] RBP: ffffffffb9f8aa18 R08: 0000000000000000 R09: 0000000000000000 6. # [ 55.577504] RSP: 0018:ffffa7010254fe48 EFLAGS: 00010246[ 63.277999] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 55.583337] RAX: 0000000000000033 RBX: 0000000000000000 R[ 63.292183] R13: ffffa70102ceff10 R14: ffffa70102ceff10 R15: ffff983b441d8000 CX: 0000000000000000 # [ 55.591299] RDX: 0000000000000000 RSI[ 63.306367] FS: 00007fbfbfeef580(0000) GS:ffff983bbac80000(0000) knlGS:0000000000000000 : ffff983bbac1bf70 RDI: ffff983bbac1bf70 # [ 55.599284] RBP: [ 63.321619] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 # [ 63.334266] CR2: 00007fbfbfcf8000 CR3: 00000001058b0001 CR4: 00000000003706e0 [ 55.607254] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: [ 63.348451] Call Trace: 000000000000000a # [ 55.615241] R13: ffffa7010254ff10 R14: ff[ 63.357398] __refcount_sub_and_test.constprop.0+0x3c/0x50 ffa7010254ff10 R15: ffff983b43346000 # [ 55.623210] FS: 0000[ 63.369736] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b 7f956d28f580(0000) GS:ffff983bbac00000(0000) knlGS:0000000000000[ 63.382177] direct_entry.cold+0x2c/0x38 000 # [ 55.632246] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008[ 63.392772] full_proxy_write+0x53/0x80 0050033 # [ 55.638662] CR2: ffffffffffffffd6 CR3: 00000001040[ 63.403284] vfs_write+0xe7/0x3a0 0c005 CR4: 00000000003706f0 # [ 55.646627] Call Trace: # [ [ 63.413184] ksys_write+0x68/0xf0 55.649355] execute_location+0x45/0x56 # [ 55.653642] direc[ 63.423098] do_syscall_64+0x30/0x40 t_entry.cold+0x2c/0x38 # [ 55.658021] full_proxy_write+0x53/[ 63.433304] entry_SYSCALL_64_after_hwframe+0x61/0xc6 0x80 # [ 55.662308] vfs_write+0xe7/0x3a0 # [ 55.666011] [ 63.445162] RIP: 0033:0x7fbfbfe058f3 ksys_write+0x68/0xf0 # [ 55.669702] do_syscall_64+0x30/0x40[ 63.455367] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 55.673689] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [[ 63.482563] RSP: 002b:00007ffccf145c08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 55.679326] RIP: 0033:0x7f956d1a58f3 # [ 55.683314] Code: 8[ 63.497235] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fbfbfe058f3 b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f[ 63.511420] RDX: 000000000000001f RSI: 00007fbfbfcf8000 RDI: 0000000000000001 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48[ 63.525606] RBP: 00007fbfbfcf8000 R08: 00007fbfbfcf7010 R09: 0000000000000000 > 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18[ 63.539792] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 55.704295] RSP: 002b:00007fffefcf3de8 EFLAGS: 00000246 O[ 63.553979] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 RIG_RAX: 0000000000000001 # [ 55.712749] RAX: ffffffffffffffd[ 63.568172] irq event stamp: 0 a RBX: 000000000000000a RCX: 00007f956d1a58f3 # [ 55.720717] [ 63.577789] hardirqs last enabled at (0): [<0000000000000000>] 0x0 RDX: 000000000000000a RSI: 00007f956d098000 RDI: 000000000000000[ 63.591007] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 1 # [ 55.728684] RBP: 00007f956d098000 R08: 00007f956d097010 [ 63.606358] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 R09: 0000000000000000 # [ 55.736654] R10: fffffffffffffbc5 R1[ 63.621708] softirqs last disabled at (0): [<0000000000000000>] 0x0 1: 0000000000000246 R12: 0000000000000001 # [ 55.744621] R13:[ 63.634922] ---[ end trace f45534a0bbd36158 ]--- 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 #[ 63.646291] lkdtm: Negative detected: saturated [ 55.752594] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 55.779031] CR2: 0000000000000000 # [ 55.782719] ---[ end trace f45534a0bbd3614b ]--- # [ 55.787872] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 55.792249] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 # [ 55.813221] RSP: 0018:ffffa7010147fe60 EFLAGS: 00010286 # [ 55.819077] RAX: ffffffffb8ede890 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.827046] RDX: 0000000000000000 RSI: ffff983bbad9bf70 RDI: ffffffffb9b9ae90 # [ 55.835016] RBP: ffffffffb9fe60d0 R08: 0000000000000001 R09: 0000000000000001 # [ 55.842984] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 55.850951] R13: ffffa7010147ff10 R14: ffffa7010147ff10 R15: ffff983b44f2b000 # [ 55.858919] FS: 00007f956d28f580(0000) GS:ffff983bbac00000(0000) knlGS:0000000000000000 # [ [ 63.775723] lkdtm: Performing direct entry REFCOUNT_INC_ZERO [ 63.782148] lkdtm: attempting safe refcount_inc_not_zero() from zero [ 63.789277] lkdtm: Good: zero detected 55.867958] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.793494] lkdtm: Correctly stayed at zero [ 55.874373] CR2: ffffffffffffffd6 CR3: 000000010400c005 CR4: [ 63.804381] lkdtm: attempting bad refcount_inc() from zero [ 63.816734] ------------[ cut here ]------------ [ 63.821915] refcount_t: addition on 0; use-after-free. [ 63.827702] WARNING: CPU: 2 PID: 2320 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 [ 63.837153] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 00000000003706f0 # EXEC_NULL: saw 'call trace:': ok ok 36 self[ 63.863642] CPU: 2 PID: 2320 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 63.878500] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 63.885333] RIP: 0010:refcount_warn_saturate+0x74/0x110 [ 63.891170] Code: 01 01 e8 6a 86 98 00 0f 0b c3 cc cc cc cc 80 3d ab 49 94 01 00 75 cb 48 c7 c7 c8 67 f2 b9 c6 05 9b 49 94 01 01 e8 47 86 98 00 <0f> 0b c3 cc cc cc cc 80 3d 8a 49 94 01 00 75 a8 48 c7 c7 a0 67 f2 [ 63.912155] RSP: 0018:ffffa70102d67e48 EFLAGS: 00010286 [ 63.917991] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 [ 63.925962] RDX: ffff983bbad2c660 RSI: ffff983bbad1bf70 RDI: ffff983bbad1bf70 [ 63.933933] RBP: ffffffffb9f8adb9 R08: 0000000000000000 R09: 0000000000000000 [ 63.941905] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 63.949878] R13: ffffa70102d67f10 R14: ffffa70102d67f10 R15: ffff983b43358000 [ 63.957851] FS: 00007fa7ac897580(0000) GS:ffff983bbad00000(0000) knlGS:0000000000000000 [ 63.966892] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.973308] CR2: 00007fa7ac6a0000 CR3: 00000001026ca001 CR4: 00000000003706e0 [ 63.981294] Call Trace: [ 63.984025] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 [ 63.989016] direct_entry.cold+0x2c/0x38 [ 63.993399] full_proxy_write+0x53/0x80 [ 63.997713] vfs_write+0xe7/0x3a0 [ 64.001414] ksys_write+0x68/0xf0 [ 64.005115] do_syscall_64+0x30/0x40 [ 64.009106] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 64.014748] RIP: 0033:0x7fa7ac7ad8f3 [ 64.018739] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 64.039722] RSP: 002b:00007ffd7b62e258 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 64.048179] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fa7ac7ad8f3 [ 64.056151] RDX: 0000000000000012 RSI: 00007fa7ac6a0000 RDI: 0000000000000001 [ 64.064123] RBP: 00007fa7ac6a0000 R08: 00007fa7ac69f010 R09: 0000000000000000 [ 64.072094] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 tests: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE[ 64.080067] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 64.094270] irq event stamp: 0 .sh # Killed # [ 56.037475] lkdtm: Performing direct entry A[ 64.097704] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 64.110916] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 64.120074] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 64.129211] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 64.136212] ---[ end trace f45534a0bbd36159 ]--- [ 64.141390] lkdtm: Zero detected: saturated CCESS_USERSPACE # [ 56.043987] lkdtm: attempting bad read at 00007f30e691d000 # [ 56.056322] BUG: unable to handle page fault for address: 00007f30e691d000 # [ 56.070210] #PF: supervisor read access in kernel mode # [ 56.075947] #PF: error_code(0x0001) - permissions violation # [ 56.082167] PGD 8000000103c2c067 P4D 8000000103c2c067 PUD 102c31067 PMD 1026bd067 PTE 1154d3067 # [ 56.091891] Oops: 0001 [#12] SMP PTI # [ 56.102091] CPU: 1 PID: 1880 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 56.110738] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.117543] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 56.123768] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 40 bc f8 b9 e8 09 9a fd ff 48 c7 c7 68 bc f8 b9 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 f0 99 fd ff 48 89 ee 48 c7 c7 90 bc f8 # [ 56.150958] RSP: 0018:ffffa7010265fe48 EFLAGS: 00010246 # [ 56.156792] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 # [ 56.164751] RDX: 0000000000000000 RSI: ffff983bbac9bf70 RDI: ffffffffb9f8bc68 # [ 56.172718] RBP: 00007f30e691d000 R08: 0000000000000000 R09: 0000000000000000 # [ 56.180688] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 # [ 56.188655] R13: ffffa7010265ff10 R14: ffffa7010265ff10 R15[ 64.271424] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO : ffff983b45aed000 # [ 56.196626] FS: 00007f30e68ee580(0000)[ 64.282932] lkdtm: attempting safe refcount_add_not_zero() from zero GS:ffff983bbac80000(0000) knlGS:0000000000000000 # [ 56.2056[ 64.296249] lkdtm: Good: zero detected 52] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.[ 64.306649] lkdtm: Correctly stayed at zero 212065] CR2: 00007f30e691d000 CR3: 0000000103c68006 CR4: 0000000[ 64.317533] lkdtm: attempting bad refcount_add() from zero 0003706e0 # [ 56.220033] Call Trace: # [ 56.222761] direc[ 64.329875] ------------[ cut here ]------------ t_entry.cold+0x2c/0x38 # [ 56.227141] full_proxy_write+0x53/[ 64.341250] refcount_t: addition on 0; use-after-free. 0x80 # [ 56.237630] vfs_write+0xe7/0x3a0 # [ 56.241329] [ 64.353232] WARNING: CPU: 1 PID: 2352 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 ksys_write+0x68/0xf0 # [ 56.251243] do_syscall_64+0x30/0x40[ 64.368843] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 56.255246] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [[ 64.401481] CPU: 1 PID: 2352 Comm: cat Tainted: G D W 5.10.145-cip17 #1 56.260883] RIP: 0033:0x7f30e68048f3 # [ 56.264869] Code: 8[ 64.416370] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f[ 64.429390] RIP: 0010:refcount_warn_saturate+0x74/0x110 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48[ 64.441418] Code: 01 01 e8 6a 86 98 00 0f 0b c3 cc cc cc cc 80 3d ab 49 94 01 00 75 cb 48 c7 c7 c8 67 f2 b9 c6 05 9b 49 94 01 01 e8 47 86 98 00 <0f> 0b c3 cc cc cc cc 80 3d 8a 49 94 01 00 75 a8 48 c7 c7 a0 67 f2 [ 64.468615] RSP: 0018:ffffa70102defe48 EFLAGS: 00010286 > 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18[ 64.474454] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 [ 64.488635] RDX: ffff983bbacac660 RSI: ffff983bbac9bf70 RDI: ffff983bbac9bf70 # [ 56.285848] RSP: 002b:00007ffd41d3b4c8 EFLAGS: 00000246 O[ 64.496609] RBP: ffffffffb9f8adcb R08: 0000000000000000 R09: 0000000000000000 [ 64.510789] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 RIG_RAX: 0000000000000001 # [ 56.294300] RAX: ffffffffffffffd[ 64.518765] R13: ffffa70102deff10 R14: ffffa70102deff10 R15: ffff983b43491000 [ 64.532945] FS: 00007f9d6b292580(0000) GS:ffff983bbac80000(0000) knlGS:0000000000000000 a RBX: 0000000000000011 RCX: 00007f30e68048f3 # [ 56.302268] [ 64.541986] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 RDX: 0000000000000011 RSI: 00007f30e66f7000 RDI: 000000000000000[ 64.554615] CR2: 00007f9d6b09b000 CR3: 0000000103c2c002 CR4: 00000000003706e0 1 # [ 56.310239] RBP: 00007f30e66f7000 R08: 00007f30e66f6010 [ 64.568799] Call Trace: R09: 0000000000000000 # [ 56.318205] R10: fffffffffffffbc5 R1[ 64.577744] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 1: 0000000000000246 R12: 0000000000000001 # [ 56.326174] R13:[ 64.588918] direct_entry.cold+0x2c/0x38 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 #[ 64.599515] full_proxy_write+0x53/0x80 [ 56.334147] Modules linked in: fuse ip_tables cros_ec_sensor[ 64.610011] vfs_write+0xe7/0x3a0 [ 64.619926] ksys_write+0x68/0xf0 s cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf i[ 64.623651] do_syscall_64+0x30/0x40 ndustrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_[ 64.633848] entry_SYSCALL_64_after_hwframe+0x61/0xc6 ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cr[ 64.645703] RIP: 0033:0x7f9d6b1a88f3 [ 64.655907] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 os_usbpd_notify # [ 56.366780] CR2: 00007f30e691d000 # [ 5[ 64.676892] RSP: 002b:00007fff3ded8618 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 64.691559] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f9d6b1a88f3 [ 64.699532] RDX: 0000000000000012 RSI: 00007f9d6b09b000 RDI: 0000000000000001 [ 64.707504] RBP: 00007f9d6b09b000 R08: 00007f9d6b09a010 R09: 0000000000000000 [ 64.715479] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 6.370468] ---[ end trace f45534a0bbd3614c ]--- # [ 56.375613][ 64.723451] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 64.737644] irq event stamp: 0 [ 64.741051] hardirqs last enabled at (0): [<0000000000000000>] 0x0 RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 56.379988] Code: 89 ff e8 2[ 64.748054] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 64.763405] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 64.772542] softirqs last disabled at (0): [<0000000000000000>] 0x0 e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc[ 64.779545] ---[ end trace f45534a0bbd3615a ]--- cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0[ 64.790915] lkdtm: Zero detected: saturated f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 # [ 56.400966] RSP: 0018:ffffa7010147fe60 EFLAGS: 00010286 # [ 56.406789] RAX: ffffffffb8ede890 RBX: 0000000000000001 RCX: 0000000000000000 # [ 56.414755] RDX: 0000000000000000 RSI: ffff983bbad9bf70 RDI: ffffffffb9b9ae90 # [ 56.422723] RBP: ffffffffb9fe60d0 R08: 0000000000000001 R09: 0000000000000001 # [ 56.430691] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 56.438660] R13: ffffa7010147ff10 R14: ffffa7010147ff10 R15: ffff983b44f2b000 # [ 56.446627] FS: 00007f30e68ee580(0000) GS:ffff983bbac80000(0000) knlGS:0000000000000000 # [ 56.455661] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.462074] CR2: 00007f30e691d000 CR3: 0000000103c68006 CR4: 00000000003706e0 # [ 56.470043] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 56.479944] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1880, name: cat # [ 56.488398] INFO: lockdep is turned off. # [ 56.492772] irq event stamp: 0 # [ 56.496178] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 56.503167] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 56.512291] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 56.521424] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 56.528421] CPU: 1 PID: 1880 Comm: cat Tainted: G D W [ 64.941989] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED [ 64.951641] lkdtm: attempting bad refcount_inc() from saturated 5.10.145-cip17 #1 # [ 56.537068] Hardware name: Google Ram[ 64.958279] ------------[ cut here ]------------ [ 64.969677] refcount_t: saturated; leaking memory. [ 64.975063] WARNING: CPU: 2 PID: 2387 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 mus/Rammus, BIOS 09/04/2020 # [ 56.543870] Call Trace: # [ [ 64.984509] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 65.017139] CPU: 2 PID: 2387 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 65.025820] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 65.032628] RIP: 0010:refcount_warn_saturate+0x51/0x110 56.546596] dump_stack+0x77/0x9b # [ 56.550300] ___might_s[ 65.038467] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d cf 49 94 01 00 75 ee 48 c7 c7 a0 67 f2 b9 c6 05 bf 49 94 01 01 e8 6a 86 98 00 <0f> 0b c3 cc cc cc cc 80 3d ab 49 94 01 00 75 cb 48 c7 c7 c8 67 f2 [ 65.065668] RSP: 0018:ffffa70102e6fe48 EFLAGS: 00010286 [ 65.071537] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 [ 65.079516] RDX: ffff983bbad2c660 RSI: ffff983bbad1bf70 RDI: ffff983bbad1bf70 [ 65.087522] RBP: ffffffffb9f8addd R08: 0000000000000000 R09: 0000000000000000 [ 65.095519] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 65.103490] R13: ffffa70102e6ff10 R14: ffffa70102e6ff10 R15: ffff983b40e70000 [ 65.111465] FS: 00007f946316f580(0000) GS:ffff983bbad00000(0000) knlGS:0000000000000000 [ 65.120507] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.126926] CR2: 00007f9462f78000 CR3: 0000000104e4c001 CR4: 00000000003706e0 [ 65.134899] Call Trace: [ 65.137630] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 [ 65.143111] direct_entry.cold+0x2c/0x38 [ 65.147518] full_proxy_write+0x53/0x80 [ 65.151833] vfs_write+0xe7/0x3a0 [ 65.155565] ksys_write+0x68/0xf0 [ 65.159281] do_syscall_64+0x30/0x40 [ 65.163304] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 65.168946] RIP: 0033:0x7f94630858f3 [ 65.172939] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 65.193923] RSP: 002b:00007fff6cf2f4e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 65.202380] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f94630858f3 [ 65.210350] RDX: 0000000000000017 RSI: 00007f9462f78000 RDI: 0000000000000001 [ 65.218321] RBP: 00007f9462f78000 R08: 00007f9462f77010 R09: 0000000000000000 [ 65.226299] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 65.234270] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 leep.cold+0xa6/0xb6 # [ 56.554874] exit_signals+0x1c/0x2e0 [ 65.242249] irq event stamp: 0 [ 65.251870] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 65.258872] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 65.268010] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 65.277147] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 65.284149] ---[ end trace f45534a0bbd3615b ]--- [ 65.289306] lkdtm: Saturation detected: still saturated # [ 56.565075] do_exit+0xd5/0xb00 # [ 56.568579] ? ksys_write+0x68/0xf0 # [ 56.578680] rewind_stack_do_exit+0x17/0x20 # [ 56.583348] RIP: 0033:0x7f30e68048f3 # [ 56.587336] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 56.608305] RSP: 002b:00007ffd41d3b4c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.616759] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f30e68048f3 # [ 56.624727] RDX: 0000000000000011 RSI: 00007f30e66f7000 RDI: 0000000000000001 # [ 56.632694] RBP: 00007f30e66f7000 R08: 00007f30e66f6010 R09: 0000000000000000 # [ 56.640662] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 56.648629] 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 # [ 56.776598] lkdtm: Performing direct entry ACCESS_NULL # [ 56.786953] lkdtm: attempting bad read at 0000000000000000 # [ 56.799287] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 56.813226] #PF: supervisor read [ 65.416960] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED access in kernel mode # [ 56.818953] #PF: error_code(0x0000) [ 65.426290] lkdtm: attempting bad refcount_dec() from saturated - not-present page # [ 56.824690] PGD 0 P4D 0 # [ 56.8275[ 65.439117] ------------[ cut here ]------------ [ 65.450483] refcount_t: decrement hit 0; leaking memory. [ 65.456441] WARNING: CPU: 2 PID: 2422 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 15] Oops: 0000 [#13] SMP PTI # [ 56.831505] CPU: 0 PID: 1915 [ 65.465874] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 5[ 65.498516] CPU: 2 PID: 2422 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 65.513378] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 65.520188] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 65.526024] Code: 50 68 f2 b9 c6 05 2b 49 94 01 01 e8 da 85 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 20 68 f2 b9 c6 05 12 49 94 01 01 e8 c0 85 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 65.547006] RSP: 0018:ffffa70102effe48 EFLAGS: 00010286 [ 65.552842] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 [ 65.560813] RDX: ffff983bbad2c660 RSI: ffff983bbad1bf70 RDI: ffff983bbad1bf70 [ 65.568786] RBP: ffffffffb9f8adf4 R08: 0000000000000000 R09: 0000000000000000 [ 65.576756] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 65.584728] R13: ffffa70102efff10 R14: ffffa70102efff10 R15: ffff983b429b4000 [ 65.592700] FS: 00007fa6bd1a9580(0000) GS:ffff983bbad00000(0000) knlGS:0000000000000000 [ 65.601741] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.608157] CR2: 00007fa6bcfb2000 CR3: 00000001038bc005 CR4: 00000000003706e0 [ 65.616129] Call Trace: [ 65.618861] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f [ 65.624341] direct_entry.cold+0x2c/0x38 [ 65.628722] full_proxy_write+0x53/0x80 [ 65.633035] vfs_write+0xe7/0x3a0 [ 65.636760] ksys_write+0x68/0xf0 [ 65.640460] do_syscall_64+0x30/0x40 [ 65.644476] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 65.650118] RIP: 0033:0x7fa6bd0bf8f3 [ 65.654108] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 65.675090] RSP: 002b:00007ffc9872a158 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 65.683550] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fa6bd0bf8f3 [ 65.691522] RDX: 0000000000000017 RSI: 00007fa6bcfb2000 RDI: 0000000000000001 [ 65.699492] RBP: 00007fa6bcfb2000 R08: 00007fa6bcfb1010 R09: 0000000000000000 6.840154] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020[ 65.707465] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 56.846953] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 5[ 65.721651] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 65.735860] irq event stamp: 0 6.852211] Code: ad 99 fd ff be 00 10 00 00 48 89 ef e8 ad 89 39 [ 65.739277] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 65.752487] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 65.761649] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 65.770786] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 65.777786] ---[ end trace f45534a0bbd3615c ]--- [ 65.782941] lkdtm: Saturation detected: still saturated ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 40 bc f8 b9 e8 87 99 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 68 bc f8 b9 48 01 # [ 56.873196] RSP: 0018:ffffa701026cfe58 EFLAGS: 00010246 # [ 56.879021] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 # [ 56.886982] RDX: 0000000000000000 RSI: ffff983bbac1bf70 RDI: ffff983bbac1bf70 # [ 56.894952] RBP: ffffffffb9f8ad31 R08: 0000000000000000 R09: 0000000000000000 # [ 56.902924] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 56.910883] R13: ffffa701026cff10 R14: ffffa701026cff10 R15: ffff983b44e2c000 # [ 56.918854] FS: 00007fb1a355d580(0000) GS:ffff983bbac00000(0000) knlGS:0000000000000000 # [ 56.927893] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.934308] CR2: 0000000000000000 CR3: 0000000104e22004 CR4: 00000000003706f0 # [ 56.942282] Call Trace: # [ 56.945011] direct_entry.cold+0x2c/0x38 # [ 56.949396] full_proxy_write+0x53/0x80 # [ 56.953683] vfs_write+0xe7/0x3a0 # [ 56.957386] ksys_write+0x68/0xf0 # [ 56.961084] do_syscall_64+0x30/0x40 # [ 56.965064] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 56.970704] RIP: 0033:0x7fb1a34738f3 # [ 56.974684] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 [ 65.918030] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f[ 65.926160] lkdtm: attempting bad refcount_dec() from saturated 40 00 48 83 ec 28 48 89 54 24 18 # [ 56.995657] RSP: 002b:00[ 65.938968] ------------[ cut here ]------------ 007ffc4ea16198 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ [ 65.950336] refcount_t: saturated; leaking memory. 57.004113] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00[ 65.961931] WARNING: CPU: 1 PID: 2457 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 007fb1a34738f3 # [ 57.012083] RDX: 000000000000000c RSI: 0000[ 65.977541] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 7fb1a3366000 RDI: 0000000000000001 # [ 57.020054] RBP: 00007f[ 66.010180] CPU: 1 PID: 2457 Comm: cat Tainted: G D W 5.10.145-cip17 #1 b1a3366000 R08: 00007fb1a3365010 R09: 0000000000000000 # [ 57[ 66.025044] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 .028013] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 000000[ 66.038067] RIP: 0010:refcount_warn_saturate+0x51/0x110 0000000001 # [ 57.035984] R13: 0000000000000001 R14: 00000000[ 66.050117] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d cf 49 94 01 00 75 ee 48 c7 c7 a0 67 f2 b9 c6 05 bf 49 94 01 01 e8 6a 86 98 00 <0f> 0b c3 cc cc cc cc 80 3d ab 49 94 01 00 75 cb 48 c7 c7 c8 67 f2 00020000 R15: 0000000000020000 # [ 57.043959] Modules linked [ 66.077344] RSP: 0018:ffffa70102f8fe48 EFLAGS: 00010286 in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industri[ 66.089368] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 [ 66.103553] RDX: ffff983bbacac660 RSI: ffff983bbac9bf70 RDI: ffff983bbac9bf70 alio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_[ 66.111527] RBP: ffffffffb9f8ae0b R08: 0000000000000000 R09: 0000000000000000 [ 66.125706] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x8[ 66.133681] R13: ffffa70102f8ff10 R14: ffffa70102f8ff10 R15: ffff983b438c8000 [ 66.147862] FS: 00007f9a747bb580(0000) GS:ffff983bbac80000(0000) knlGS:0000000000000000 6_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 57.07040[ 66.156905] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.169532] CR2: 00007f9a745c4000 CR3: 00000001038bc002 CR4: 00000000003706e0 3] CR2: 0000000000000000 # [ 57.074101] ---[ end trace f45534[ 66.177504] Call Trace: a0bbd3614d ]--- # [ 57.079248] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 66.186446] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 57.083625] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff[ 66.198105] direct_entry.cold+0x2c/0x38 eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff [ 66.208701] full_proxy_write+0x53/0x80 eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44[ 66.219201] vfs_write+0xe7/0x3a0 00 00 83 05 80 fc 93 02 # [ 57.104600] RSP: 0018:ffffa701014[ 66.229114] ksys_write+0x68/0xf0 7fe60 EFLAGS: 00010286 # [ 57.110425] RAX: ffffffffb8ede890 R[ 66.239029] do_syscall_64+0x30/0x40 BX: 0000000000000001 RCX: 0000000000000000 # [ 57.118397] RDX[ 66.249246] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 66.261101] RIP: 0033:0x7f9a746d18f3 : 0000000000000000 RSI: ffff983bbad9bf70 RDI: ffffffffb9b9ae90 [ 66.265096] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 66.292297] RSP: 002b:00007ffe81d61d58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 57.126365] RBP: ffffffffb9fe60d0 R08: 0000000000000001 R09[ 66.300749] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f9a746d18f3 : 0000000000000001 # [ 57.134334] R10: 00000000ffffe000 R11: [ 66.314931] RDX: 0000000000000017 RSI: 00007f9a745c4000 RDI: 0000000000000001 3fffffffffffffff R12: 0000000000000004 # [ 57.142300] R13: ff[ 66.329116] RBP: 00007f9a745c4000 R08: 00007f9a745c3010 R09: 0000000000000000 [ 66.343303] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 ffa7010147ff10 R14: ffffa7010147ff10 R15: ffff983b44f2b000 # [ [ 66.351291] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 57.150269] FS: 00007fb1a355d580(0000) GS:ffff983bbac00000(000[ 66.365477] irq event stamp: 0 [ 66.375097] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0) knlGS:0000000000000000 # [ 57.159306] CS: 0010 DS: 0000 E[ 66.382098] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 66.397440] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 S: 0000 CR0: 0000000080050033 # [ 57.165721] CR2: 00000000000[ 66.406579] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 66.419787] ---[ end trace f45534a0bbd3615d ]--- 00000 CR3: 0000000104e22004 CR4: 00000000003706f0 # ACCESS_NULL[ 66.424944] lkdtm: Saturation detected: still saturated : saw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh # Killed # [ 57.336008] lkdtm: Performing direct entry WRITE_RO # [ 57.346981] lkdtm: attempting bad rodata write at ffffffffb9b9b310 # [ 57.353932] BUG: unable to handle page fault for address: ffffffffb9b9b310 # [ 57.361625] #PF: supervisor write access in kernel mode # [ 57.373672] #PF: error_code(0x0003) - permissions violation # [ 57.379897] PGD 71629067 P4D 71629067 PUD 7162a063 PMD 8000000070e000e1 # [ 57.393600] Oops: 0003 [#14] SMP PTI # [ 57.397587] CPU: 2 PID: 1950 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 57.406239] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 57.413044] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 57.418003] Code: 00 48 c7 c7 20 bb f8 b9 48 c7 c6 10 b3 b9 b9 e8 31 9c fd ff 48 8b 05 87 cd 62 00 ba 34 12 cd ab 48 c7 c7 50 bb f8 b9 48 31 d0 <48> 89 05 71 cd 62 00 e9 0f 9c fd ff 0f 1f 44 00 00 48 8b 05 80 9d # [ 57.438983] RSP: 0018:ffffa7010275fe60 EFLAGS: 00010202 # [ 57.444805] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 # [ 57.452774] RDX: 00000000abcd1234 RSI: ffff983bbad1bf70 RDI: [ 66.550378] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED [ 66.562768] lkdtm: attempting bad refcount_inc_not_zero() from saturated [ 66.570262] ------------[ cut here ]------------ ffffffffb9f8bb50 # [ 57.460744] RBP: ffffffffb9f8ad3d R08: 00[ 66.575427] refcount_t: saturated; leaking memory. [ 66.587015] WARNING: CPU: 3 PID: 2489 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 00000000000000 R09: 0000000000000000 # [ 57.468703] R10: 0000[ 66.596446] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 66.629079] CPU: 3 PID: 2489 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 66.637760] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 66.644567] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 66.650401] Code: 01 01 e8 47 86 98 00 0f 0b c3 cc cc cc cc 80 3d 8a 49 94 01 00 75 a8 48 c7 c7 a0 67 f2 b9 c6 05 7a 49 94 01 01 e8 24 86 98 00 <0f> 0b c3 cc cc cc cc 80 3d 64 49 94 01 00 75 85 48 c7 c7 f8 67 f2 [ 66.671387] RSP: 0018:ffffa70103027e38 EFLAGS: 00010282 [ 66.677257] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 0000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 # [ [ 66.685230] RDX: ffff983bbadac660 RSI: ffff983bbad9bf70 RDI: ffff983bbad9bf70 [ 66.699414] RBP: ffffffffb9f8aa38 R08: 0000000000000000 R09: 0000000000000000 [ 66.707385] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 66.715354] R13: ffffa70103027f10 R14: ffffa70103027f10 R15: ffff983b44f2a000 [ 66.723323] FS: 00007ff6f42f5580(0000) GS:ffff983bbad80000(0000) knlGS:0000000000000000 [ 66.732361] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.738778] CR2: 00007ff6f40fe000 CR3: 00000001058bc005 CR4: 00000000003706e0 [ 66.746749] Call Trace: [ 66.749479] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 66.755638] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 [ 66.761982] direct_entry.cold+0x2c/0x38 [ 66.766363] full_proxy_write+0x53/0x80 [ 66.770670] vfs_write+0xe7/0x3a0 [ 66.774369] ksys_write+0x68/0xf0 [ 66.778069] do_syscall_64+0x30/0x40 [ 66.782060] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 66.787703] RIP: 0033:0x7ff6f420b8f3 [ 66.791694] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 66.812676] RSP: 002b:00007ffe586c3438 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.821132] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007ff6f420b8f3 [ 66.829102] RDX: 0000000000000020 RSI: 00007ff6f40fe000 RDI: 0000000000000001 [ 66.837073] RBP: 00007ff6f40fe000 R08: 00007ff6f40fd010 R09: 0000000000000000 [ 66.845044] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 66.853016] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 66.860990] irq event stamp: 0 [ 66.864428] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 66.871429] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 57.476662] R13: ffffa7010275ff10 R14: ffffa7010275ff10 R15: ffff[ 66.880568] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 66.895921] softirqs last disabled at (0): [<0000000000000000>] 0x0 983b4581a000 # [ 57.484629] FS: 00007feab1e7e580(0000) GS:ff[ 66.902919] ---[ end trace f45534a0bbd3615e ]--- [ 66.914297] lkdtm: Saturation detected: still saturated ff983bbad00000(0000) knlGS:0000000000000000 # [ 57.493667] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.500074] CR2: ffffffffb9b9b310 CR3: 0000000102c96001 CR4: 00000000003706e0 # [ 57.508043] Call Trace: # [ 57.510771] direct_entry.cold+0x2c/0x38 # [ 57.515151] full_proxy_write+0x53/0x80 # [ 57.519433] vfs_write+0xe7/0x3a0 # [ 57.523131] ksys_write+0x68/0xf0 # [ 57.526829] do_syscall_64+0x30/0x40 # [ 57.530818] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 57.536457] RIP: 0033:0x7feab1d948f3 # [ 57.540445] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 57.561416] RSP: 002b:00007ffff1b2aa78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 57.569871] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007feab1d948f3 # [ 57.577840] RDX: 0000000000000009 RSI: 00007feab1c87000 RDI: 0000000000000001 # [ 57.585808] RBP: 00007feab1c87000 R08: 00007feab1c86010 R09: 0000000000000000 # [ 57.593777] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 57.601746] R13: 00000[ 67.032482] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED [ 67.045948] lkdtm: attempting bad refcount_add_not_zero() from saturated [ 67.053451] ------------[ cut here ]------------ [ 67.058616] refcount_t: saturated; leaking memory. [ 67.063994] WARNING: CPU: 3 PID: 2521 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 00000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 5[ 67.073431] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 67.106063] CPU: 3 PID: 2521 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 67.114715] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 67.121520] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 67.127355] Code: 01 01 e8 47 86 98 00 0f 0b c3 cc cc cc cc 80 3d 8a 49 94 01 00 75 a8 48 c7 c7 a0 67 f2 b9 c6 05 7a 49 94 01 01 e8 24 86 98 00 <0f> 0b c3 cc cc cc cc 80 3d 64 49 94 01 00 75 85 48 c7 c7 f8 67 f2 [ 67.148337] RSP: 0018:ffffa7010309fe38 EFLAGS: 00010282 [ 67.154173] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 7.609720] Modules linked in: fuse ip_tables cros_ec_sensors cros[ 67.162148] RDX: ffff983bbadac660 RSI: ffff983bbad9bf70 RDI: ffff983bbad9bf70 [ 67.176337] RBP: ffffffffb9f8aa58 R08: 0000000000000000 R09: 0000000000000000 _ec_sensors_core industrialio_triggered_buffer kfifo_buf industr[ 67.184336] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 67.198515] R13: ffffa7010309ff10 R14: ffffa7010309ff10 R15: ffff983b438ab000 [ 67.206485] FS: 00007fd9adf53580(0000) GS:ffff983bbad80000(0000) knlGS:0000000000000000 [ 67.215548] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_deb[ 67.221970] CR2: 00007fd9add5c000 CR3: 0000000102c96006 CR4: 00000000003706e0 [ 67.236144] Call Trace: [ 67.238877] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 67.245038] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 [ 67.251389] direct_entry.cold+0x2c/0x38 [ 67.255774] full_proxy_write+0x53/0x80 [ 67.260087] vfs_write+0xe7/0x3a0 [ 67.263810] ksys_write+0x68/0xf0 [ 67.267534] do_syscall_64+0x30/0x40 [ 67.271558] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 67.277246] RIP: 0033:0x7fd9ade698f3 ugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usb[ 67.281246] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 67.308433] RSP: 002b:00007ffe369619f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 67.316891] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fd9ade698f3 [ 67.324863] RDX: 0000000000000020 RSI: 00007fd9add5c000 RDI: 0000000000000001 [ 67.332834] RBP: 00007fd9add5c000 R08: 00007fd9add5b010 R09: 0000000000000000 [ 67.340805] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 67.348778] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 67.356756] irq event stamp: 0 [ 67.360196] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 67.367198] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 67.376337] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 67.385473] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 67.392475] ---[ end trace f45534a0bbd3615f ]--- [ 67.397631] lkdtm: Saturation detected: still saturated pd_notify # [ 57.636170] CR2: ffffffffb9b9b310 # [ 57.646078] ---[ end trace f45534a0bbd3614e ]--- # [ 57.651241] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 57.655618] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 # [ 57.676589] RSP: 0018:ffffa7010147fe60 EFLAGS: 00010286 # [ 57.682421] RAX: ffffffffb8ede890 RBX: 0000000000000001 RCX: 0000000000000000 # [ 57.690390] RDX: 0000000000000000 RSI: ffff983bbad9bf70 RDI: ffffffffb9b9ae90 # [ 57.698359] RBP: ffffffffb9fe60d0 R08: 0000000000000001 R09: 0000000000000001 # [ 57.706327] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 57.714293] R13: ffffa7010147ff10 R14: ffffa7010147ff10 R15: ffff983b44f2b000 # [ 57.722261] FS: 00007feab1e7e580(0000) GS:ffff983bbad00000(0000) knlGS:0000000000000000 # [ 57.731299] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.737704] CR2: ffffffffb9b9b310 CR3: 0000000102c96001 CR4: 00000000003706e0 # [ 57.745673] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 57.755581] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1950[ 67.522660] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED , name: cat # [ 57.764034] INFO: lockdep is turned off. # [ [ 67.535511] lkdtm: attempting bad refcount_dec_and_test() from saturated 57.768409] irq event stamp: 0 # [ 57.771815] hardirqs last [ 67.549216] ------------[ cut here ]------------ enabled at (0): [<0000000000000000>] 0x0 # [ 57.778805] hard[ 67.560575] refcount_t: underflow; use-after-free. irqs last disabled at (0): [] copy_process+0x6[ 67.572156] WARNING: CPU: 1 PID: 2556 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 40/0x1c80 # [ 57.787938] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 57.797070] soft[ 67.620418] CPU: 1 PID: 2556 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 67.635292] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 irqs last disabled at (0): [<0000000000000000>] 0x0 # [ 57.80[ 67.642103] RIP: 0010:refcount_warn_saturate+0xba/0x110 4067] CPU: 2 PID: 1950 Comm: cat Tainted: G D W 5.1[ 67.654145] Code: 01 01 e8 24 86 98 00 0f 0b c3 cc cc cc cc 80 3d 64 49 94 01 00 75 85 48 c7 c7 f8 67 f2 b9 c6 05 54 49 94 01 01 e8 01 86 98 00 <0f> 0b c3 cc cc cc cc 80 3d 3f 49 94 01 00 0f 85 5e ff ff ff 48 c7 0.145-cip17 #1 # [ 57.812706] Hardware name: Google Rammus/Ra[ 67.681343] RSP: 0018:ffffa7010311fe40 EFLAGS: 00010286 [ 67.693394] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 mmus, BIOS 09/04/2020 # [ 57.819509] Call Trace: # [ 57.8[ 67.701367] RDX: ffff983bbacac660 RSI: ffff983bbac9bf70 RDI: ffff983bbac9bf70 [ 67.715545] RBP: ffffffffb9f8aa78 R08: 0000000000000000 R09: 0000000000000000 22243] dump_stack+0x77/0x9b # [ 57.825940] ___might_sleep.c[ 67.723519] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 67.737700] R13: ffffa7010311ff10 R14: ffffa7010311ff10 R15: ffff983b434a3000 old+0xa6/0xb6 # [ 57.830503] exit_signals+0x1c/0x2e0 # [ [ 67.745674] FS: 00007faa888ca580(0000) GS:ffff983bbac80000(0000) knlGS:0000000000000000 [ 67.760922] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 57.834481] do_exit+0xd5/0xb00 # [ 57.837983] ? ksys_write+0[ 67.767341] CR2: 00007faa886d3000 CR3: 00000001038f0004 CR4: 00000000003706e0 [ 67.781521] Call Trace: x68/0xf0 # [ 57.841874] rewind_stack_do_exit+0x17/0x20 # [ [ 67.784255] __refcount_sub_and_test.constprop.0+0x3c/0x50 57.846532] RIP: 0033:0x7feab1d948f3 # [ 57.850521] Code: 8b[ 67.796588] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f [ 67.809125] direct_entry.cold+0x2c/0x38 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48>[ 67.819721] full_proxy_write+0x53/0x80 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18[ 67.830219] vfs_write+0xe7/0x3a0 # [ 57.871500] RSP: 002b:00007ffff1b2aa78 EFLAGS: 00000246 OR[ 67.840134] ksys_write+0x68/0xf0 IG_RAX: 0000000000000001 # [ 57.879953] RAX: ffffffffffffffda[ 67.850054] do_syscall_64+0x30/0x40 RBX: 0000000000000009 RCX: 00007feab1d948f3 # [ 57.887923] R[ 67.860259] entry_SYSCALL_64_after_hwframe+0x61/0xc6 DX: 0000000000000009 RSI: 00007feab1c87000 RDI: 0000000000000001[ 67.872117] RIP: 0033:0x7faa887e08f3 # [ 57.895891] RBP: 00007feab1c87000 R08: 00007feab1c86010 R[ 67.882320] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 09: 0000000000000000 # [ 57.903859] R10: fffffffffffffbc5 R11[ 67.909519] RSP: 002b:00007ffd5bb9c808 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 : 0000000000000246 R12: 0000000000000001 # [ 57.911827] R13: [ 67.924191] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007faa887e08f3 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.938378] RDX: 0000000000000020 RSI: 00007faa886d3000 RDI: 0000000000000001 WRITE_RO: saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_R[ 67.952564] RBP: 00007faa886d3000 R08: 00007faa886d2010 R09: 0000000000000000 O.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # Killed # [ [ 67.966750] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 58.091645] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT[ 67.980939] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 58.100384] lkdtm: attempting bad ro_after_init write at f[ 67.995132] irq event stamp: 0 fffffffba008330 # [ 58.114194] BUG: unable to handle page fau[ 68.004749] hardirqs last enabled at (0): [<0000000000000000>] 0x0 lt for address: ffffffffba008330 # [ 58.128065] #PF: supervis[ 68.017966] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 or write access in kernel mode # [ 58.133898] #PF: error_code[ 68.033316] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 (0x0003) - permissions violation # [ 58.140120] PGD 71629067 [ 68.048668] softirqs last disabled at (0): [<0000000000000000>] 0x0 P4D 71629067 PUD 7162a063 PMD 1048bf063 PTE 8000000071408061 # [ 68.061885] ---[ end trace f45534a0bbd36160 ]--- [ 58.148869] Oops: 0003 [#15] SMP PTI # [ 58.152849] CPU: 0[ 68.073255] lkdtm: Saturation detected: still saturated PID: 1985 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 58.161498] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.168305] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 58.174338] Code: bb f8 b9 e9 e3 9b fd ff 48 c7 c7 a8 bb f8 b9 e8 d7 9b fd ff 48 8b 05 4d 9d a9 00 ba 34 12 cd ab 48 c7 c7 50 bb f8 b9 48 31 d0 <48> 89 05 37 9d a9 00 e9 b5 9b fd ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 58.195320] RSP: 0018:ffffa701027e7e60 EFLAGS: 00010202 # [ 58.201152] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 # [ 58.209122] RDX: 00000000abcd1234 RSI: ffff983bbac1bf70 RDI: ffffffffb9f8bb50 # [ 58.217091] RBP: ffffffffb9f8ad46 R08: 0000000000000000 R09: 0000000000000000 # [ 58.225061] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 # [ 58.233029] R13: ffffa701027e7f10 R14: ffffa701027e7f10 R15: ffff983b434c2000 # [ 58.240998] FS: 00007f3323b1c580(0000) GS:ffff983bbac00000(0000) knlGS:0000000000000000 # [ 58.250036] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.256444] CR2: ffffffffba008330 CR3: 0000000106442005 CR4: 00000000003706f0 # [ 58.264413] Call Trace: # [ 58.267132] direct_entry.cold+0x2c/0x38 # [ 58.271517] full_proxy_write+0x53/0x80 # [ 58.275795] vfs_write+0xe7/0x3a0 # [ 58.279497] ksys_write+0[ 68.213761] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED [ 68.223704] lkdtm: attempting bad refcount_sub_and_test() from saturated [ 68.231207] ------------[ cut here ]------------ [ 68.236374] refcount_t: underflow; use-after-free. [ 68.241733] WARNING: CPU: 2 PID: 2591 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 [ 68.251168] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 68.277611] CPU: 2 PID: 2591 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 68.286260] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 x68/0xf0 # [ 58.283187] do_syscall_64+0x30/0x40 # [ 58.28[ 68.293072] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 68.305119] Code: 01 01 e8 24 86 98 00 0f 0b c3 cc cc cc cc 80 3d 64 49 94 01 00 75 85 48 c7 c7 f8 67 f2 b9 c6 05 54 49 94 01 01 e8 01 86 98 00 <0f> 0b c3 cc cc cc cc 80 3d 3f 49 94 01 00 0f 85 5e ff ff ff 48 c7 [ 68.326100] RSP: 0018:ffffa7010318fe40 EFLAGS: 00010286 [ 68.331935] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 [ 68.339908] RDX: ffff983bbad2c660 RSI: ffff983bbad1bf70 RDI: ffff983bbad1bf70 [ 68.347878] RBP: ffffffffb9f8aa98 R08: 0000000000000000 R09: 0000000000000000 [ 68.355849] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 68.363821] R13: ffffa7010318ff10 R14: ffffa7010318ff10 R15: ffff983b43366000 [ 68.371791] FS: 00007f7fe4815580(0000) GS:ffff983bbad00000(0000) knlGS:0000000000000000 [ 68.380829] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.387247] CR2: 00007f7fe461e000 CR3: 000000010349c005 CR4: 00000000003706e0 [ 68.395237] Call Trace: [ 68.397968] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 68.404119] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 [ 68.410441] direct_entry.cold+0x2c/0x38 [ 68.414845] full_proxy_write+0x53/0x80 [ 68.419152] vfs_write+0xe7/0x3a0 [ 68.422852] ksys_write+0x68/0xf0 [ 68.426553] do_syscall_64+0x30/0x40 [ 68.430543] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 68.436183] RIP: 0033:0x7f7fe472b8f3 [ 68.440173] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 68.461155] RSP: 002b:00007ffd300bdbb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 68.469612] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f7fe472b8f3 [ 68.477583] RDX: 0000000000000020 RSI: 00007f7fe461e000 RDI: 0000000000000001 [ 68.485553] RBP: 00007f7fe461e000 R08: 00007f7fe461d010 R09: 0000000000000000 7175] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 58.292814[ 68.493523] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 68.507710] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ] RIP: 0033:0x7f3323a328f3 # [ 58.296802] Code: 8b 15 a1 25 0[ 68.515687] irq event stamp: 0 [ 68.525305] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 68.532308] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 68.541470] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 68.550630] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 68.557630] ---[ end trace f45534a0bbd36161 ]--- [ 68.562786] lkdtm: Saturation detected: still saturated e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 58.317784] RSP: 002b:00007ffd84bd9b38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.326238] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f3323a328f3 # [ 58.334208] RDX: 0000000000000014 RSI: 00007f3323925000 RDI: 0000000000000001 # [ 58.342175] RBP: 00007f3323925000 R08: 00007f3323924010 R09: 0000000000000000 # [ 58.350145] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 58.358115] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 58.366089] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 58.392530] CR2: ffffffffba008330 # [ 58.396227] ---[ end trace f45534a0bbd3614f ]--- # [ 58.401373] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 58.405751] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 # [ 58.426734] RSP: 0018:ffffa7010147fe60 EFLAGS: 00010286 # [ 58.432568] RAX: ffffffffb8ede890 RBX: 0000000000000001 RCX: 0000000000000000 # [ 58.440539] RDX: 0000000000000000 RSI: ffff983bbad9bf70 RDI: ffffffffb9b9ae90 # [ 58.448508] RBP: ffffffffb9fe60d0 R08: 0000000000000001 R09: 0000000000000001 # [ 58.456476] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 58.464445] R13: ffffa7010147ff10 R14: ffffa7010147ff10 R15: ffff983b44f2b000 # [ 58.472414] FS: 00007f3323b1c580(0000) GS:f[ 68.742987] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO [ 68.755708] lkdtm: attempting good copy_to_user of correct size [ 68.762353] lkdtm: attempting bad copy_to_user of too large size fff983bbac00000(0000) knlGS:0000000000000000 # [ 58.481452] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.487867] CR2: ffffffffba008330 CR3: 0000000106442005 CR4: 00000000003706f0 # WRITE_RO_AFTER_INIT: saw 'call trace:': ok ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh # Killed # [ 58.630549] lkdtm: Performing direct entry WRITE_KERN # [ 58.638247] lkdtm: attempting bad 6879395 byte write at ffffffffb956e503 # [ 58.645766] BUG: unable to handle page fault for address: ffffffffb956e503 # [ 58.653455] #PF: supervisor write access in kernel mode # [ 58.659290] #PF: error_code(0x0003) - permissions violation # [ 58.671724] PGD 71629067 P4D 71629067 PUD 7162a063 PMD 708000e1 # [ 58.678432] Oops: 0003 [#16] SMP PTI # [ 58.682420] CPU: 2 PID: 2020 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 58.691068] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.697871] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 58.703015] Code: 53 48 c7 c3 03 e5 56 b9 49 89 dc 48 89 da 49 81 ec 60 ec ed b8 4c 89 e6 e8 8a 9b fd ff 48 89 df 4c 89 e1 48 c7 c6 60 ec ed b8 a4 48 c7 c7 50 bb f8 b9 e8 6f 9b fd ff 5b 41 [ 68.881484] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM 5c e9 b7 fe ff ff # [ 58.723984] RSP: 0018:ffffa70102837e50 E[ 68.894071] lkdtm: attempting good copy_from_user of correct size FLAGS: 00010246 # [ 58.729816] RAX: 000000000000003c RBX: fff[ 68.907127] lkdtm: attempting bad copy_from_user of too large size fffffb956e503 RCX: 000000000068f8a3 # [ 58.737783] RDX: 0000000000000000 RSI: ffffffffb8edec60 RDI: ffffffffb956e503 # [ 58.745749] RBP: ffffffffb9f8ad5a R08: 0000000000000000 R09: 0000000000000000 # [ 58.753717] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000068f8a3 # [ 58.761685] R13: ffffa70102837f10 R14: ffffa70102837f10 R15: ffff983b43bb3000 # [ 58.769652] FS: 00007f7e40f1e580(0000) GS:ffff983bbad00000(0000) knlGS:0000000000000000 # [ 58.778687] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.785101] CR2: ffffffffb956e503 CR3: 0000000102cf0004 CR4: 00000000003706e0 # [ 58.793068] Call Trace: # [ 58.795794] direct_entry.cold+0x2c/0x38 # [ 58.800171] full_proxy_write+0x53/0x80 # [ 58.804450] vfs_write+0xe7/0x3a0 # [ 58.808138] ksys_write+0x68/0xf0 # [ 58.811836] do_syscall_64+0x30/0x40 # [ 58.815824] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 58.821452] RIP: 0033:0x7f7e40e348f3 # [ 58.825439] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 58.846416] RSP: 002b:00007fff2f9e6e48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.854869] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00[ 69.045854] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO [ 69.057959] lkdtm: attempting good copy_to_user inside whitelist 007f7e40e348f3 # [ 58.862837] RDX: 000000000000000b RSI: 0000[ 69.064698] lkdtm: attempting bad copy_to_user outside whitelist 7f7e40d27000 RDI: 0000000000000001 # [ 58.870804] RBP: 00007f7e40d27000 R08: 00007f7e40d26010 R09: 0000000000000000 # [ 58.878770] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 58.886737] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 58.894708] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 58.921160] CR2: ffffffffb956e503 # [ 58.931068] ---[ end trace f45534a0bbd36150 ]--- # [ 58.936242] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 58.940618] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 # [ 58.961586] RSP: 0018:ffffa7010147fe60 EFLAGS: 00010286 # [ 58.967419] RAX: ffffffffb8ede890 RBX: 0000000000000001 RCX: 0000000000000000 # [ 58.975386] RDX: 0000000000000000 RSI: ffff983bbad9bf70 RDI: ffffffffb9b9ae90 [ 69.186998] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM [ 69.196983] lkdtm: attempting good copy_from_user inside whitelist [ 69.203904] lkdtm: attempting bad copy_from_user outside whitelist # [ 58.983353] RBP: ffffffffb9fe60d0 R08: 0000000000000001 R09: 0000000000000001 # [ 58.991319] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 58.999289] R13: ffffa7010147ff10 R14: ffffa7010147ff10 R15: ffff983b44f2b000 # [ 59.007257] FS: 00007f7e40f1e580(0000) GS:ffff983bbad00000(0000) knlGS:0000000000000000 # [ 59.016295] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.022710] CR2: ffffffffb956e503 CR3: 0000000102cf0004 CR4: 00000000003706e0 # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # [ 59.156879] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 59.167941] lkdtm: attempting good refcount_inc() without overflow # [ 59.174852] lkdtm: attempting bad refcount_inc() overflow # [ 59.180883] ------------[ cut here ]------------ # [ 59.186062] refcount_t: saturated; leaking memory. # [ 59.191442] WARNING: CPU: 3 PID: 2055 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 59.200874] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros[ 69.323450] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO _ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_therm[ 69.336046] lkdtm: good_stack: ffffa7010352fe20-ffffa7010352fe40 al cros_ec_dev cros_usbpd_notify # [ 59.233506] CPU: 3 PID: 2[ 69.348970] lkdtm: bad_stack : ffffa7010352fda8-ffffa7010352fdc8 055 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [[ 69.361910] lkdtm: attempting good copy_to_user of local stack 59.242180] Hardware name: Google Rammus/Rammus, BIOS 09/04/2[ 69.374700] lkdtm: attempting bad copy_to_user of distant stack 020 # [ 59.248988] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 59.254822] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d cf 49 94 01 00 75 ee 48 c7 c7 a0 67 f2 b9 c6 05 bf 49 94 01 01 e8 6a 86 98 00 <0f> 0b c3 cc cc cc cc 80 3d ab 49 94 01 00 75 cb 48 c7 c7 c8 67 f2 # [ 59.275807] RSP: 0018:ffffa70102907e48 EFLAGS: 00010286 # [ 59.281644] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 # [ 59.289615] RDX: ffff983bbadac660 RSI: ffff983bbad9bf70 RDI: ffff983bbad9bf70 # [ 59.297586] RBP: ffffffffb9f8ad65 R08: 0000000000000000 R09: 0000000000000000 # [ 59.305557] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 59.313527] R13: ffffa70102907f10 R14: ffffa70102907f10 R15: ffff983b44ea8000 # [ 59.321499] FS: 00007ff77d2ce580(0000) GS:ffff983bbad80000(0000) knlGS:0000000000000000 # [ 59.330539] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.336957] CR2: 00007ff77d0d7000 CR3: 0000000102a4a004 CR4: 00000000003706e0 # [ 59.344929] Call Trace: # [ 59.347659] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 # [ 59.353041] direct_entry.cold+0x2c/0x38 # [ 59.357424] full_proxy_write+0x53/0x80 # [ 59.361739] vfs_[ 69.499709] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM [ 69.512806] lkdtm: good_stack: ffffa701035cfe20-ffffa701035cfe40 [ 69.519531] lkdtm: bad_stack : ffffa701035cfda8-ffffa701035cfdc8 write+0xe7/0x3a0 # [ 59.365470] ksys_write+0x68/0xf0 # [ [ 69.526255] lkdtm: attempting good copy_from_user of local stack [ 69.539173] lkdtm: attempting bad copy_from_user of distant stack 59.369194] do_syscall_64+0x30/0x40 # [ 59.373184] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 59.378825] RIP: 0033:0x7ff77d1e48f3 # [ 59.382814] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 59.403796] RSP: 002b:00007fff540431c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.412254] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007ff77d1e48f3 # [ 59.420245] RDX: 0000000000000016 RSI: 00007ff77d0d7000 RDI: 0000000000000001 # [ 59.428234] RBP: 00007ff77d0d7000 R08: 00007ff77d0d6010 R09: 0000000000000000 # [ 59.436214] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 59.450397] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 59.464590] irq event stamp: 0 # [ 59.474213] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 59.481238] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 59.496580] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 59.505742] softirqs last disabled at (0)[ 69.657993] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND : [<0000000000000000>] 0x0 # [ 59.512757] ---[ end trace f455[ 69.670970] lkdtm: good_stack: ffffa7010356fe20-ffffa7010356fe40 [ 69.683889] lkdtm: bad_stack : ffffa7010356fff8-ffffa70103570018 [ 69.690627] lkdtm: attempting good copy_to_user of local stack 34a0bbd36151 ]--- # [ 59.524115] lkdtm: Overflow detected: sa[ 69.697149] lkdtm: attempting bad copy_to_user of distant stack [ 69.709986] lkdtm: copy_to_user failed, but lacked Oops turated # REFCOUNT_INC_OVERFLOW: saw 'call trace:': ok ok 42 selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # [ 59.629118] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 59.641651] lkdtm: attempting good refcount_add() without overflow # [ 59.654784] lkdtm: attempting bad refcount_add() overflow # [ 59.667007] ------------[ cut here ]------------ # [ 59.672163] refcount_t: saturated; leaking memory. # [ 59.683755] WARNING: CPU: 1 PID: 2087 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 59.699366] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 59.732002] CPU: 1 PID: 2087 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 59.740655] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 59.753679] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 59.765723] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d cf 49 94 01 00 75 ee 48 c7 c7 a0 67 f2 b9 c6 05 bf 49 94 01 01 e8 6a 86 98[ 69.830539] lkdtm: Performing direct entry USERCOPY_KERNEL 00 <0f> 0b c3 cc cc cc cc 80 3d ab 49 94 01 00 75 cb 48 c7 c7 c[ 69.840091] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffb9b9b330 8 67 f2 # [ 59.792921] RSP: 0018:ffffa701029a7e48 EFLAGS: 000[ 69.855001] lkdtm: attempting bad copy_to_user from kernel text: ffffffffb88e2e20 10286 # [ 59.804996] RAX: 0000000000000000 RBX: 0000000000000[ 69.869555] lkdtm: FAIL: survived bad copy_to_user() 02c RCX: 0000000000000000 # [ 59.819180] RDX: ffff983bbacac660 RSI: ffff983bbac9bf70 RDI: ffff983bbac9bf70 # [ 59.833342] RBP: ffffffffb9f8ad7b R08: 0000000000000000 R09: 0000000000000000 # [ 59.841313] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 59.855494] R13: ffffa701029a7f10 R14: ffffa701029a7f10 R15: ffff983b433e7000 # [ 59.863469] FS: 00007f43c395e580(0000) GS:ffff983bbac80000(0000) knlGS:0000000000000000 # [ 59.878715] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.885133] CR2: 00007f43c3767000 CR3: 00000001026de003 CR4: 00000000003706e0 # [ 59.899313] Call Trace: # [ 59.902047] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 59.913602] direct_entry.cold+0x2c/0x38 # [ 59.924196] full_proxy_write+0x53/0x80 # [ 59.934694] vfs_write+0xe7/0x3a0 # [ 59.944607] ksys_write+0x68/0xf0 # [ 59.954522] do_syscall_64+0x30/0x40 # [ 59.964728] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 59.976584] RIP: 0033:0x7f43c38748f3 # [ 59.980577] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 2[ 69.995726] lkdtm: Performing direct entry STACKLEAK_ERASING [ 70.005720] lkdtm: checking unused part of the thread stack (15928 bytes)... [ 70.013631] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) 8 48 89 54 24 18 # [ 60.007767] RSP: 002b:00007ffefc088a08 EF[ 70.021422] lkdtm: FAIL: the thread stack is NOT properly erased LAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.016227] RAX:[ 70.034340] CPU: 2 PID: 2956 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 70.049199] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 70.056001] Call Trace: [ 70.058733] dump_stack+0x77/0x9b [ 70.062430] lkdtm_STACKLEAK_ERASING+0x116/0x144 [ 70.067582] direct_entry.cold+0x2c/0x38 [ 70.071961] full_proxy_write+0x53/0x80 [ 70.076241] vfs_write+0xe7/0x3a0 [ 70.079939] ksys_write+0x68/0xf0 [ 70.083637] do_syscall_64+0x30/0x40 [ 70.087626] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 70.093265] RIP: 0033:0x7fd54b4828f3 [ 70.097253] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 70.118249] RSP: 002b:00007ffe8735f138 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 70.126695] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fd54b4828f3 [ 70.134663] RDX: 0000000000000012 RSI: 00007fd54b375000 RDI: 0000000000000001 [ 70.142629] RBP: 00007fd54b375000 R08: 00007fd54b374010 R09: 0000000000000000 [ 70.150596] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 70.158563] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ffffffffffffffda RBX: 0000000000000016 RCX: 00007f43c38748f3 # [ 60.030412] RDX: 0000000000000016 RSI: 00007f43c3767000 RDI: 0000000000000001 # [ 60.044599] RBP: 00007f43c3767000 R08: 00007f43c3766010 R09: 0000000000000000 # [ 60.058786] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 60.066759] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 60.080963] irq event stamp: 0 # [ 60.090565] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 60.097568] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 60.112913] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 60.122051] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 60.135259] ---[ end trace f45534a0bbd36152 ]--- # [ 60.140416] 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 # [ 60.252414] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 60.264923] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 60.278046] --------[ 70.281780] lkdtm: Performing direct entry CFI_FORWARD_PROTO [ 70.291004] lkdtm: Calling matched prototype ... [ 70.296166] lkdtm: Calling mismatched prototype ... ----[ cut here ]------------ # [ 60.289411] refcount_t: satur[ 70.301620] lkdtm: Fail: survived mismatched prototype function call! ated; leaking memory. # [ 60.300989] WARNING: CPU: 1 PID: 2119 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 60.316623] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 60.349260] CPU: 1 PID: 2119 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 60.364128] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 60.374138] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 60.379979] Code: 01 01 e8 47 86 98 00 0f 0b c3 cc cc cc cc 80 3d 8a 49 94 01 00 75 a8 48 c7 c7 a0 67 f2 b9 c6 05 7a 49 94 01 01 e8 24 86 98 00 <0f> 0b c3 cc cc cc cc 80 3d 64 49 94 01 00 75 85 48 c7 c7 f8 67 f2 # [ 60.400973] RSP: 0018:ffffa70102a27e38 EFLAGS: 00010282 # [ 60.406809] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 60.414783] RDX: ffff983bbacac660 RSI: ffff983bbac9bf70 RDI: ffff983bbac9bf70 # [ 60.422755] RBP: ffffffffb9f8a9b8 R08: 0000000000000000 R09: 0000000000000000 # [ 60.436938] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 60.451125] R13: ffffa70102a27f10 R14: ffffa70102a27f10 R15: ffff983b42c78000 # [ 60.459122] FS: 00007f60f1ea7580(0000) GS:ffff983bbac80000(0000) knlGS:0000000000000000 # [ 60.474373] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.486616] CR2: 00007f60f1cb0000 CR3: 0000000102a14001 CR4: 00000000003706e0 # [ 60.494589] Call Trace: # [ 60.503535] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 60.515875] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 60.528314] direct_entry.cold+0x2c/0x38 # [ 60.538909] full_proxy_write+0x53/0x80 # [ 60.543896] vfs_write+0xe7/0x3a0 # [ 60.553809] ksys_write+0x68/0xf0 # [ 60.563724] do_syscall_64+0x30/0x40 # [ 60.572959] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 60.583070] RIP: 0033:0x7f60f1dbd8f3 # [ 60.593295] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 60.620491] RSP: 002b:00007fff26001428 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.628952] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f60f1dbd8f3 # [ 60.642840] RDX: 000000000000001f RSI: 00007f60f1cb0000 RDI: 0000000000000001 # [ 60.651007] RBP: 00007f60f1cb0000 R08: 00007f60f1caf010 R09: 0000000000000000 # [ 60.658983] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 60.666956] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 60.681146] irq event stamp: 0 # [ 60.690764] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 60.703985] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 60.719336] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 60.734694] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 60.747905] ---[ end trace f45534a0bbd36153 ]--- # [ 60.759271] 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 # [ 60.875042] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 60.883803] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 60.890725] ------------[ cut here ]------------ # [ 60.895895] refcount_t: saturated; leaking memory. # [ 60.901267] WARNING: CPU: 2 PID: 2151 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 60.916896] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 60.943356] CPU: 2 PID: 2151 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 60.958212] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 60.965027] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 60.977075] Code: 01 01 e8 47 86 98 00 0f 0b c3 cc cc cc cc 80 3d 8a 49 94 01 00 75 a8 48 c7 c7 a0 67 f2 b9 c6 05 7a 49 94 01 01 e8 24 86 98 00 <0f> 0b c3 cc cc cc cc 80 3d 64 49 94 01 00 75 85 48 c7 c7 f8 67 f2 # [ 61.004272] RSP: 0018:ffffa70102a9fe38 EFLAGS: 00010282 # [ 61.010113] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 61.018106] RDX: ffff983bbad2c660 RSI: ffff983bbad1bf70 RDI: ffff983bbad1bf70 # [ 61.026088] RBP: ffffffffb9f8a9d8 R08: 0000000000000000 R09: 0000000000000000 # [ 61.040280] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 61.048288] R13: ffffa70102a9ff10 R14: ffffa70102a9ff10 R15: ffff983b42a74000 # [ 61.056261] FS: 00007efeb22be580(0000) GS:ffff983bbad00000(0000) knlGS:0000000000000000 # [ 61.065301] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.071719] CR2: 00007efeb20c7000 CR3: 00000001032fe002 CR4: 00000000003706e0 # [ 61.079688] Call Trace: # [ 61.082419] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 61.088578] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 61.094824] direct_entry.cold+0x2c/0x38 # [ 61.099204] full_proxy_write+0x53/0x80 # [ 61.103515] vfs_write+0xe7/0x3a0 # [ 61.113423] ksys_write+0x68/0xf0 # [ 61.117123] do_syscall_64+0x30/0x40 # [ 61.121116] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 61.126757] RIP: 0033:0x7efeb21d48f3 # [ 61.130748] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 61.151730] RSP: 002b:00007ffe5cf35878 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 61.160187] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007efeb21d48f3 # [ 61.168157] RDX: 000000000000001f RSI: 00007efeb20c7000 RDI: 0000000000000001 # [ 61.176126] RBP: 00007efeb20c7000 R08: 00007efeb20c6010 R09: 0000000000000000 # [ 61.184096] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 61.192069] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 61.200045] irq event stamp: 0 # [ 61.203477] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 61.216687] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 61.225824] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 61.234959] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 61.241960] ---[ end trace f45534a0bbd36154 ]--- # [ 61.253332] 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 # [ 61.374024] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 61.382812] lkdtm: attempting good refcount_dec() # [ 61.388074] lkdtm: attempting bad refcount_dec() to zero # [ 61.394014] ------------[ cut here ]------------ # [ 61.399174] refcount_t: decrement hit 0; leaking memory. # [ 61.405158] WARNING: CPU: 3 PID: 2183 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 61.414593] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 61.447240] CPU: 3 PID: 2183 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 61.455900] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 61.468917] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 61.474755] Code: 50 68 f2 b9 c6 05 2b 49 94 01 01 e8 da 85 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 20 68 f2 b9 c6 05 12 49 94 01 01 e8 c0 85 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 61.495742] RSP: 0018:ffffa70102affe48 EFLAGS: 00010286 # [ 61.501602] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 61.509575] RDX: ffff983bbadac660 RSI: ffff983bbad9bf70 RDI: ffff983bbad9bf70 # [ 61.517546] RBP: ffffffffb9f8ad91 R08: 0000000000000000 R09: 0000000000000000 # [ 61.525522] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 61.539713] R13: ffffa70102afff10 R14: ffffa70102afff10 R15: ffff983b44d72000 # [ 61.547717] FS: 00007f7225c12580(0000) GS:ffff983bbad80000(0000) knlGS:0000000000000000 # [ 61.556759] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.563177] CR2: 00007f7225a1b000 CR3: 0000000104da4003 CR4: 00000000003706e0 # [ 61.571149] Call Trace: # [ 61.573900] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 61.578871] direct_entry.cold+0x2c/0x38 # [ 61.589485] full_proxy_write+0x53/0x80 # [ 61.593779] vfs_write+0xe7/0x3a0 # [ 61.603685] ksys_write+0x68/0xf0 # [ 61.607412] do_syscall_64+0x30/0x40 # [ 61.611429] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 61.617096] RIP: 0033:0x7f7225b288f3 # [ 61.621087] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 61.642073] RSP: 002b:00007ffe479b95a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 61.650532] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f7225b288f3 # [ 61.658503] RDX: 0000000000000012 RSI: 00007f7225a1b000 RDI: 0000000000000001 # [ 61.666475] RBP: 00007f7225a1b000 R08: 00007f7225a1a010 R09: 0000000000000000 # [ 61.680665] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 61.688670] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 61.696666] irq event stamp: 0 # [ 61.700075] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 61.713304] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 61.722472] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 61.731610] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 61.738610] ---[ end trace f45534a0bbd36155 ]--- # [ 61.743767] 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 # [ 61.888967] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 61.898129] lkdtm: attempting bad refcount_dec() below zero # [ 61.910569] ------------[ cut here ]------------ # [ 61.921938] refcount_t: decrement hit 0; leaking memory. # [ 61.934117] WARNING: CPU: 1 PID: 2218 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 61.949729] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 61.982401] CPU: 1 PID: 2218 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 61.997252] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 62.010290] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 62.022366] Code: 50 68 f2 b9 c6 05 2b 49 94 01 01 e8 da 85 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 20 68 f2 b9 c6 05 12 49 94 01 01 e8 c0 85 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 62.049563] RSP: 0018:ffffa70102bc7e48 EFLAGS: 00010286 # [ 62.061612] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 62.075796] RDX: ffff983bbacac660 RSI: ffff983bbac9bf70 RDI: ffff983bbac9bf70 # [ 62.089982] RBP: ffffffffb9f8ada3 R08: 0000000000000000 R09: 0000000000000000 # [ 62.104168] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 62.118353] R13: ffffa70102bc7f10 R14: ffffa70102bc7f10 R15: ffff983b4349c000 # [ 62.132540] FS: 00007f08c67cd580(0000) GS:ffff983bbac80000(0000) knlGS:0000000000000000 # [ 62.147794] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.160427] CR2: 00007f08c65d6000 CR3: 00000001032fe002 CR4: 00000000003706e0 # [ 62.174612] Call Trace: # [ 62.183560] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 62.195126] direct_entry.cold+0x2c/0x38 # [ 62.205719] full_proxy_write+0x53/0x80 # [ 62.216232] vfs_write+0xe7/0x3a0 # [ 62.226152] ksys_write+0x68/0xf0 # [ 62.236069] do_syscall_64+0x30/0x40 # [ 62.246292] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 62.258151] RIP: 0033:0x7f08c66e38f3 # [ 62.268355] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 62.289339] RSP: 002b:00007fffe0eb2c48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.304004] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f08c66e38f3 # [ 62.311977] RDX: 0000000000000016 RSI: 00007f08c65d6000 RDI: 0000000000000001 # [ 62.326157] RBP: 00007f08c65d6000 R08: 00007f08c65d5010 R09: 0000000000000000 # [ 62.334131] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 62.348307] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 62.356316] irq event stamp: 0 # [ 62.365910] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 62.372913] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 62.388258] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 62.403608] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 62.410609] ---[ end trace f45534a0bbd36156 ]--- # [ 62.421974] 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 # [ 62.559061] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 62.571347] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 62.578452] ------------[ cut here ]------------ # [ 62.583620] refcount_t: underflow; use-after-free. # [ 62.595194] WARNING: CPU: 3 PID: 2253 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 62.610829] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 62.637286] CPU: 3 PID: 2253 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 62.652168] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 62.658986] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 62.671025] Code: 01 01 e8 24 86 98 00 0f 0b c3 cc cc cc cc 80 3d 64 49 94 01 00 75 85 48 c7 c7 f8 67 f2 b9 c6 05 54 49 94 01 01 e8 01 86 98 00 <0f> 0b c3 cc cc cc cc 80 3d 3f 49 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 62.692006] RSP: 0018:ffffa70102c57e40 EFLAGS: 00010286 # [ 62.697840] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 62.705812] RDX: ffff983bbadac660 RSI: ffff983bbad9bf70 RDI: ffff983bbad9bf70 # [ 62.713781] RBP: ffffffffb9f8a9f8 R08: 0000000000000000 R09: 0000000000000000 # [ 62.721751] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 62.729723] R13: ffffa70102c57f10 R14: ffffa70102c57f10 R15: ffff983b44de1000 # [ 62.737695] FS: 00007fa4ee393580(0000) GS:ffff983bbad80000(0000) knlGS:0000000000000000 # [ 62.746735] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.753152] CR2: 00007fa4ee19c000 CR3: 00000001032a4004 CR4: 00000000003706e0 # [ 62.761121] Call Trace: # [ 62.763851] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 62.770008] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 62.776249] direct_entry.cold+0x2c/0x38 # [ 62.786844] full_proxy_write+0x53/0x80 # [ 62.791152] vfs_write+0xe7/0x3a0 # [ 62.794853] ksys_write+0x68/0xf0 # [ 62.798555] do_syscall_64+0x30/0x40 # [ 62.802547] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 62.808190] RIP: 0033:0x7fa4ee2a98f3 # [ 62.812180] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 62.833165] RSP: 002b:00007ffd14746d48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.841621] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fa4ee2a98f3 # [ 62.849593] RDX: 000000000000001f RSI: 00007fa4ee19c000 RDI: 0000000000000001 # [ 62.857562] RBP: 00007fa4ee19c000 R08: 00007fa4ee19b010 R09: 0000000000000000 # [ 62.865526] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 62.879714] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 62.887691] irq event stamp: 0 # [ 62.897304] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 62.904306] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 62.913442] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 62.922577] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 62.929577] ---[ end trace f45534a0bbd36157 ]--- # [ 62.934732] 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 # [ 63.065269] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 63.077931] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 63.091261] ------------[ cut here ]------------ # [ 63.102625] refcount_t: underflow; use-after-free. # [ 63.108005] WARNING: CPU: 1 PID: 2288 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 63.123613] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 63.156255] CPU: 1 PID: 2288 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 63.171123] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 63.184146] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 63.196196] Code: 01 01 e8 24 86 98 00 0f 0b c3 cc cc cc cc 80 3d 64 49 94 01 00 75 85 48 c7 c7 f8 67 f2 b9 c6 05 54 49 94 01 01 e8 01 86 98 00 <0f> 0b c3 cc cc cc cc 80 3d 3f 49 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 63.223422] RSP: 0018:ffffa70102cefe40 EFLAGS: 00010286 # [ 63.235445] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 63.249627] RDX: ffff983bbacac660 RSI: ffff983bbac9bf70 RDI: ffff983bbac9bf70 # [ 63.263813] RBP: ffffffffb9f8aa18 R08: 0000000000000000 R09: 0000000000000000 # [ 63.277999] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 63.292183] R13: ffffa70102ceff10 R14: ffffa70102ceff10 R15: ffff983b441d8000 # [ 63.306367] FS: 00007fbfbfeef580(0000) GS:ffff983bbac80000(0000) knlGS:0000000000000000 # [ 63.321619] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.334266] CR2: 00007fbfbfcf8000 CR3: 00000001058b0001 CR4: 00000000003706e0 # [ 63.348451] Call Trace: # [ 63.357398] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 63.369736] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b # [ 63.382177] direct_entry.cold+0x2c/0x38 # [ 63.392772] full_proxy_write+0x53/0x80 # [ 63.403284] vfs_write+0xe7/0x3a0 # [ 63.413184] ksys_write+0x68/0xf0 # [ 63.423098] do_syscall_64+0x30/0x40 # [ 63.433304] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 63.445162] RIP: 0033:0x7fbfbfe058f3 # [ 63.455367] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 63.482563] RSP: 002b:00007ffccf145c08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.497235] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fbfbfe058f3 # [ 63.511420] RDX: 000000000000001f RSI: 00007fbfbfcf8000 RDI: 0000000000000001 # [ 63.525606] RBP: 00007fbfbfcf8000 R08: 00007fbfbfcf7010 R09: 0000000000000000 # [ 63.539792] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 63.553979] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 63.568172] irq event stamp: 0 # [ 63.577789] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 63.591007] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 63.606358] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 63.621708] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 63.634922] ---[ end trace f45534a0bbd36158 ]--- # [ 63.646291] 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 # [ 63.775723] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 63.782148] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 63.789277] lkdtm: Good: zero detected # [ 63.793494] lkdtm: Correctly stayed at zero # [ 63.804381] lkdtm: attempting bad refcount_inc() from zero # [ 63.816734] ------------[ cut here ]------------ # [ 63.821915] refcount_t: addition on 0; use-after-free. # [ 63.827702] WARNING: CPU: 2 PID: 2320 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 63.837153] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 63.863642] CPU: 2 PID: 2320 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 63.878500] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 63.885333] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 63.891170] Code: 01 01 e8 6a 86 98 00 0f 0b c3 cc cc cc cc 80 3d ab 49 94 01 00 75 cb 48 c7 c7 c8 67 f2 b9 c6 05 9b 49 94 01 01 e8 47 86 98 00 <0f> 0b c3 cc cc cc cc 80 3d 8a 49 94 01 00 75 a8 48 c7 c7 a0 67 f2 # [ 63.912155] RSP: 0018:ffffa70102d67e48 EFLAGS: 00010286 # [ 63.917991] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 63.925962] RDX: ffff983bbad2c660 RSI: ffff983bbad1bf70 RDI: ffff983bbad1bf70 # [ 63.933933] RBP: ffffffffb9f8adb9 R08: 0000000000000000 R09: 0000000000000000 # [ 63.941905] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 63.949878] R13: ffffa70102d67f10 R14: ffffa70102d67f10 R15: ffff983b43358000 # [ 63.957851] FS: 00007fa7ac897580(0000) GS:ffff983bbad00000(0000) knlGS:0000000000000000 # [ 63.966892] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.973308] CR2: 00007fa7ac6a0000 CR3: 00000001026ca001 CR4: 00000000003706e0 # [ 63.981294] Call Trace: # [ 63.984025] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 63.989016] direct_entry.cold+0x2c/0x38 # [ 63.993399] full_proxy_write+0x53/0x80 # [ 63.997713] vfs_write+0xe7/0x3a0 # [ 64.001414] ksys_write+0x68/0xf0 # [ 64.005115] do_syscall_64+0x30/0x40 # [ 64.009106] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 64.014748] RIP: 0033:0x7fa7ac7ad8f3 # [ 64.018739] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 64.039722] RSP: 002b:00007ffd7b62e258 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 64.048179] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fa7ac7ad8f3 # [ 64.056151] RDX: 0000000000000012 RSI: 00007fa7ac6a0000 RDI: 0000000000000001 # [ 64.064123] RBP: 00007fa7ac6a0000 R08: 00007fa7ac69f010 R09: 0000000000000000 # [ 64.072094] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 64.080067] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 64.094270] irq event stamp: 0 # [ 64.097704] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.110916] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 64.120074] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 64.129211] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.136212] ---[ end trace f45534a0bbd36159 ]--- # [ 64.141390] 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 # [ 64.271424] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 64.282932] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 64.296249] lkdtm: Good: zero detected # [ 64.306649] lkdtm: Correctly stayed at zero # [ 64.317533] lkdtm: attempting bad refcount_add() from zero # [ 64.329875] ------------[ cut here ]------------ # [ 64.341250] refcount_t: addition on 0; use-after-free. # [ 64.353232] WARNING: CPU: 1 PID: 2352 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 64.368843] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 64.401481] CPU: 1 PID: 2352 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 64.416370] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 64.429390] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 64.441418] Code: 01 01 e8 6a 86 98 00 0f 0b c3 cc cc cc cc 80 3d ab 49 94 01 00 75 cb 48 c7 c7 c8 67 f2 b9 c6 05 9b 49 94 01 01 e8 47 86 98 00 <0f> 0b c3 cc cc cc cc 80 3d 8a 49 94 01 00 75 a8 48 c7 c7 a0 67 f2 # [ 64.468615] RSP: 0018:ffffa70102defe48 EFLAGS: 00010286 # [ 64.474454] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 64.488635] RDX: ffff983bbacac660 RSI: ffff983bbac9bf70 RDI: ffff983bbac9bf70 # [ 64.496609] RBP: ffffffffb9f8adcb R08: 0000000000000000 R09: 0000000000000000 # [ 64.510789] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 64.518765] R13: ffffa70102deff10 R14: ffffa70102deff10 R15: ffff983b43491000 # [ 64.532945] FS: 00007f9d6b292580(0000) GS:ffff983bbac80000(0000) knlGS:0000000000000000 # [ 64.541986] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.554615] CR2: 00007f9d6b09b000 CR3: 0000000103c2c002 CR4: 00000000003706e0 # [ 64.568799] Call Trace: # [ 64.577744] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 64.588918] direct_entry.cold+0x2c/0x38 # [ 64.599515] full_proxy_write+0x53/0x80 # [ 64.610011] vfs_write+0xe7/0x3a0 # [ 64.619926] ksys_write+0x68/0xf0 # [ 64.623651] do_syscall_64+0x30/0x40 # [ 64.633848] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 64.645703] RIP: 0033:0x7f9d6b1a88f3 # [ 64.655907] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 64.676892] RSP: 002b:00007fff3ded8618 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 64.691559] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f9d6b1a88f3 # [ 64.699532] RDX: 0000000000000012 RSI: 00007f9d6b09b000 RDI: 0000000000000001 # [ 64.707504] RBP: 00007f9d6b09b000 R08: 00007f9d6b09a010 R09: 0000000000000000 # [ 64.715479] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 64.723451] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 64.737644] irq event stamp: 0 # [ 64.741051] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.748054] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 64.763405] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 64.772542] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.779545] ---[ end trace f45534a0bbd3615a ]--- # [ 64.790915] 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 # [ 64.941989] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 64.951641] lkdtm: attempting bad refcount_inc() from saturated # [ 64.958279] ------------[ cut here ]------------ # [ 64.969677] refcount_t: saturated; leaking memory. # [ 64.975063] WARNING: CPU: 2 PID: 2387 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 64.984509] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 65.017139] CPU: 2 PID: 2387 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 65.025820] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 65.032628] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 65.038467] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d cf 49 94 01 00 75 ee 48 c7 c7 a0 67 f2 b9 c6 05 bf 49 94 01 01 e8 6a 86 98 00 <0f> 0b c3 cc cc cc cc 80 3d ab 49 94 01 00 75 cb 48 c7 c7 c8 67 f2 # [ 65.065668] RSP: 0018:ffffa70102e6fe48 EFLAGS: 00010286 # [ 65.071537] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 65.079516] RDX: ffff983bbad2c660 RSI: ffff983bbad1bf70 RDI: ffff983bbad1bf70 # [ 65.087522] RBP: ffffffffb9f8addd R08: 0000000000000000 R09: 0000000000000000 # [ 65.095519] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 65.103490] R13: ffffa70102e6ff10 R14: ffffa70102e6ff10 R15: ffff983b40e70000 # [ 65.111465] FS: 00007f946316f580(0000) GS:ffff983bbad00000(0000) knlGS:0000000000000000 # [ 65.120507] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.126926] CR2: 00007f9462f78000 CR3: 0000000104e4c001 CR4: 00000000003706e0 # [ 65.134899] Call Trace: # [ 65.137630] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 65.143111] direct_entry.cold+0x2c/0x38 # [ 65.147518] full_proxy_write+0x53/0x80 # [ 65.151833] vfs_write+0xe7/0x3a0 # [ 65.155565] ksys_write+0x68/0xf0 # [ 65.159281] do_syscall_64+0x30/0x40 # [ 65.163304] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 65.168946] RIP: 0033:0x7f94630858f3 # [ 65.172939] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 65.193923] RSP: 002b:00007fff6cf2f4e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.202380] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f94630858f3 # [ 65.210350] RDX: 0000000000000017 RSI: 00007f9462f78000 RDI: 0000000000000001 # [ 65.218321] RBP: 00007f9462f78000 R08: 00007f9462f77010 R09: 0000000000000000 # [ 65.226299] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 65.234270] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.242249] irq event stamp: 0 # [ 65.251870] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.258872] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 65.268010] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 65.277147] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.284149] ---[ end trace f45534a0bbd3615b ]--- # [ 65.289306] 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 # [ 65.416960] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 65.426290] lkdtm: attempting bad refcount_dec() from saturated # [ 65.439117] ------------[ cut here ]------------ # [ 65.450483] refcount_t: decrement hit 0; leaking memory. # [ 65.456441] WARNING: CPU: 2 PID: 2422 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 65.465874] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 65.498516] CPU: 2 PID: 2422 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 65.513378] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 65.520188] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 65.526024] Code: 50 68 f2 b9 c6 05 2b 49 94 01 01 e8 da 85 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 20 68 f2 b9 c6 05 12 49 94 01 01 e8 c0 85 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 65.547006] RSP: 0018:ffffa70102effe48 EFLAGS: 00010286 # [ 65.552842] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 65.560813] RDX: ffff983bbad2c660 RSI: ffff983bbad1bf70 RDI: ffff983bbad1bf70 # [ 65.568786] RBP: ffffffffb9f8adf4 R08: 0000000000000000 R09: 0000000000000000 # [ 65.576756] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 65.584728] R13: ffffa70102efff10 R14: ffffa70102efff10 R15: ffff983b429b4000 # [ 65.592700] FS: 00007fa6bd1a9580(0000) GS:ffff983bbad00000(0000) knlGS:0000000000000000 # [ 65.601741] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.608157] CR2: 00007fa6bcfb2000 CR3: 00000001038bc005 CR4: 00000000003706e0 # [ 65.616129] Call Trace: # [ 65.618861] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 65.624341] direct_entry.cold+0x2c/0x38 # [ 65.628722] full_proxy_write+0x53/0x80 # [ 65.633035] vfs_write+0xe7/0x3a0 # [ 65.636760] ksys_write+0x68/0xf0 # [ 65.640460] do_syscall_64+0x30/0x40 # [ 65.644476] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 65.650118] RIP: 0033:0x7fa6bd0bf8f3 # [ 65.654108] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 65.675090] RSP: 002b:00007ffc9872a158 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.683550] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fa6bd0bf8f3 # [ 65.691522] RDX: 0000000000000017 RSI: 00007fa6bcfb2000 RDI: 0000000000000001 # [ 65.699492] RBP: 00007fa6bcfb2000 R08: 00007fa6bcfb1010 R09: 0000000000000000 # [ 65.707465] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 65.721651] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.735860] irq event stamp: 0 # [ 65.739277] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.752487] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 65.761649] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 65.770786] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.777786] ---[ end trace f45534a0bbd3615c ]--- # [ 65.782941] 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 # [ 65.918030] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 65.926160] lkdtm: attempting bad refcount_dec() from saturated # [ 65.938968] ------------[ cut here ]------------ # [ 65.950336] refcount_t: saturated; leaking memory. # [ 65.961931] WARNING: CPU: 1 PID: 2457 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 65.977541] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.010180] CPU: 1 PID: 2457 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 66.025044] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 66.038067] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 66.050117] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d cf 49 94 01 00 75 ee 48 c7 c7 a0 67 f2 b9 c6 05 bf 49 94 01 01 e8 6a 86 98 00 <0f> 0b c3 cc cc cc cc 80 3d ab 49 94 01 00 75 cb 48 c7 c7 c8 67 f2 # [ 66.077344] RSP: 0018:ffffa70102f8fe48 EFLAGS: 00010286 # [ 66.089368] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 66.103553] RDX: ffff983bbacac660 RSI: ffff983bbac9bf70 RDI: ffff983bbac9bf70 # [ 66.111527] RBP: ffffffffb9f8ae0b R08: 0000000000000000 R09: 0000000000000000 # [ 66.125706] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 66.133681] R13: ffffa70102f8ff10 R14: ffffa70102f8ff10 R15: ffff983b438c8000 # [ 66.147862] FS: 00007f9a747bb580(0000) GS:ffff983bbac80000(0000) knlGS:0000000000000000 # [ 66.156905] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.169532] CR2: 00007f9a745c4000 CR3: 00000001038bc002 CR4: 00000000003706e0 # [ 66.177504] Call Trace: # [ 66.186446] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 66.198105] direct_entry.cold+0x2c/0x38 # [ 66.208701] full_proxy_write+0x53/0x80 # [ 66.219201] vfs_write+0xe7/0x3a0 # [ 66.229114] ksys_write+0x68/0xf0 # [ 66.239029] do_syscall_64+0x30/0x40 # [ 66.249246] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 66.261101] RIP: 0033:0x7f9a746d18f3 # [ 66.265096] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 66.292297] RSP: 002b:00007ffe81d61d58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.300749] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f9a746d18f3 # [ 66.314931] RDX: 0000000000000017 RSI: 00007f9a745c4000 RDI: 0000000000000001 # [ 66.329116] RBP: 00007f9a745c4000 R08: 00007f9a745c3010 R09: 0000000000000000 # [ 66.343303] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 66.351291] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.365477] irq event stamp: 0 # [ 66.375097] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.382098] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 66.397440] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 66.406579] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.419787] ---[ end trace f45534a0bbd3615d ]--- # [ 66.424944] 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 # [ 66.550378] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 66.562768] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 66.570262] ------------[ cut here ]------------ # [ 66.575427] refcount_t: saturated; leaking memory. # [ 66.587015] WARNING: CPU: 3 PID: 2489 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 66.596446] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.629079] CPU: 3 PID: 2489 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 66.637760] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 66.644567] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 66.650401] Code: 01 01 e8 47 86 98 00 0f 0b c3 cc cc cc cc 80 3d 8a 49 94 01 00 75 a8 48 c7 c7 a0 67 f2 b9 c6 05 7a 49 94 01 01 e8 24 86 98 00 <0f> 0b c3 cc cc cc cc 80 3d 64 49 94 01 00 75 85 48 c7 c7 f8 67 f2 # [ 66.671387] RSP: 0018:ffffa70103027e38 EFLAGS: 00010282 # [ 66.677257] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 66.685230] RDX: ffff983bbadac660 RSI: ffff983bbad9bf70 RDI: ffff983bbad9bf70 # [ 66.699414] RBP: ffffffffb9f8aa38 R08: 0000000000000000 R09: 0000000000000000 # [ 66.707385] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 66.715354] R13: ffffa70103027f10 R14: ffffa70103027f10 R15: ffff983b44f2a000 # [ 66.723323] FS: 00007ff6f42f5580(0000) GS:ffff983bbad80000(0000) knlGS:0000000000000000 # [ 66.732361] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.738778] CR2: 00007ff6f40fe000 CR3: 00000001058bc005 CR4: 00000000003706e0 # [ 66.746749] Call Trace: # [ 66.749479] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 66.755638] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 66.761982] direct_entry.cold+0x2c/0x38 # [ 66.766363] full_proxy_write+0x53/0x80 # [ 66.770670] vfs_write+0xe7/0x3a0 # [ 66.774369] ksys_write+0x68/0xf0 # [ 66.778069] do_syscall_64+0x30/0x40 # [ 66.782060] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 66.787703] RIP: 0033:0x7ff6f420b8f3 # [ 66.791694] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 66.812676] RSP: 002b:00007ffe586c3438 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.821132] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007ff6f420b8f3 # [ 66.829102] RDX: 0000000000000020 RSI: 00007ff6f40fe000 RDI: 0000000000000001 # [ 66.837073] RBP: 00007ff6f40fe000 R08: 00007ff6f40fd010 R09: 0000000000000000 # [ 66.845044] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 66.853016] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.860990] irq event stamp: 0 # [ 66.864428] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.871429] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 66.880568] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 66.895921] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.902919] ---[ end trace f45534a0bbd3615e ]--- # [ 66.914297] 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 # [ 67.032482] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 67.045948] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 67.053451] ------------[ cut here ]------------ # [ 67.058616] refcount_t: saturated; leaking memory. # [ 67.063994] WARNING: CPU: 3 PID: 2521 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 67.073431] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 67.106063] CPU: 3 PID: 2521 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 67.114715] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 67.121520] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 67.127355] Code: 01 01 e8 47 86 98 00 0f 0b c3 cc cc cc cc 80 3d 8a 49 94 01 00 75 a8 48 c7 c7 a0 67 f2 b9 c6 05 7a 49 94 01 01 e8 24 86 98 00 <0f> 0b c3 cc cc cc cc 80 3d 64 49 94 01 00 75 85 48 c7 c7 f8 67 f2 # [ 67.148337] RSP: 0018:ffffa7010309fe38 EFLAGS: 00010282 # [ 67.154173] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 67.162148] RDX: ffff983bbadac660 RSI: ffff983bbad9bf70 RDI: ffff983bbad9bf70 # [ 67.176337] RBP: ffffffffb9f8aa58 R08: 0000000000000000 R09: 0000000000000000 # [ 67.184336] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 67.198515] R13: ffffa7010309ff10 R14: ffffa7010309ff10 R15: ffff983b438ab000 # [ 67.206485] FS: 00007fd9adf53580(0000) GS:ffff983bbad80000(0000) knlGS:0000000000000000 # [ 67.215548] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.221970] CR2: 00007fd9add5c000 CR3: 0000000102c96006 CR4: 00000000003706e0 # [ 67.236144] Call Trace: # [ 67.238877] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 67.245038] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 67.251389] direct_entry.cold+0x2c/0x38 # [ 67.255774] full_proxy_write+0x53/0x80 # [ 67.260087] vfs_write+0xe7/0x3a0 # [ 67.263810] ksys_write+0x68/0xf0 # [ 67.267534] do_syscall_64+0x30/0x40 # [ 67.271558] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 67.277246] RIP: 0033:0x7fd9ade698f3 # [ 67.281246] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 67.308433] RSP: 002b:00007ffe369619f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.316891] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fd9ade698f3 # [ 67.324863] RDX: 0000000000000020 RSI: 00007fd9add5c000 RDI: 0000000000000001 # [ 67.332834] RBP: 00007fd9add5c000 R08: 00007fd9add5b010 R09: 0000000000000000 # [ 67.340805] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 67.348778] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.356756] irq event stamp: 0 # [ 67.360196] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.367198] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 67.376337] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 67.385473] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.392475] ---[ end trace f45534a0bbd3615f ]--- # [ 67.397631] 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 # [ 67.522660] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 67.535511] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 67.549216] ------------[ cut here ]------------ # [ 67.560575] refcount_t: underflow; use-after-free. # [ 67.572156] WARNING: CPU: 1 PID: 2556 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 67.587783] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 67.620418] CPU: 1 PID: 2556 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 67.635292] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 67.642103] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 67.654145] Code: 01 01 e8 24 86 98 00 0f 0b c3 cc cc cc cc 80 3d 64 49 94 01 00 75 85 48 c7 c7 f8 67 f2 b9 c6 05 54 49 94 01 01 e8 01 86 98 00 <0f> 0b c3 cc cc cc cc 80 3d 3f 49 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 67.681343] RSP: 0018:ffffa7010311fe40 EFLAGS: 00010286 # [ 67.693394] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 67.701367] RDX: ffff983bbacac660 RSI: ffff983bbac9bf70 RDI: ffff983bbac9bf70 # [ 67.715545] RBP: ffffffffb9f8aa78 R08: 0000000000000000 R09: 0000000000000000 # [ 67.723519] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 67.737700] R13: ffffa7010311ff10 R14: ffffa7010311ff10 R15: ffff983b434a3000 # [ 67.745674] FS: 00007faa888ca580(0000) GS:ffff983bbac80000(0000) knlGS:0000000000000000 # [ 67.760922] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.767341] CR2: 00007faa886d3000 CR3: 00000001038f0004 CR4: 00000000003706e0 # [ 67.781521] Call Trace: # [ 67.784255] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 67.796588] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 67.809125] direct_entry.cold+0x2c/0x38 # [ 67.819721] full_proxy_write+0x53/0x80 # [ 67.830219] vfs_write+0xe7/0x3a0 # [ 67.840134] ksys_write+0x68/0xf0 # [ 67.850054] do_syscall_64+0x30/0x40 # [ 67.860259] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 67.872117] RIP: 0033:0x7faa887e08f3 # [ 67.882320] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 67.909519] RSP: 002b:00007ffd5bb9c808 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.924191] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007faa887e08f3 # [ 67.938378] RDX: 0000000000000020 RSI: 00007faa886d3000 RDI: 0000000000000001 # [ 67.952564] RBP: 00007faa886d3000 R08: 00007faa886d2010 R09: 0000000000000000 # [ 67.966750] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 67.980939] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.995132] irq event stamp: 0 # [ 68.004749] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 68.017966] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 68.033316] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 68.048668] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 68.061885] ---[ end trace f45534a0bbd36160 ]--- # [ 68.073255] 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 # [ 68.213761] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 68.223704] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 68.231207] ------------[ cut here ]------------ # [ 68.236374] refcount_t: underflow; use-after-free. # [ 68.241733] WARNING: CPU: 2 PID: 2591 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 68.251168] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 68.277611] CPU: 2 PID: 2591 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 68.286260] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 68.293072] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 68.305119] Code: 01 01 e8 24 86 98 00 0f 0b c3 cc cc cc cc 80 3d 64 49 94 01 00 75 85 48 c7 c7 f8 67 f2 b9 c6 05 54 49 94 01 01 e8 01 86 98 00 <0f> 0b c3 cc cc cc cc 80 3d 3f 49 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 68.326100] RSP: 0018:ffffa7010318fe40 EFLAGS: 00010286 # [ 68.331935] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 68.339908] RDX: ffff983bbad2c660 RSI: ffff983bbad1bf70 RDI: ffff983bbad1bf70 # [ 68.347878] RBP: ffffffffb9f8aa98 R08: 0000000000000000 R09: 0000000000000000 # [ 68.355849] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 68.363821] R13: ffffa7010318ff10 R14: ffffa7010318ff10 R15: ffff983b43366000 # [ 68.371791] FS: 00007f7fe4815580(0000) GS:ffff983bbad00000(0000) knlGS:0000000000000000 # [ 68.380829] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.387247] CR2: 00007f7fe461e000 CR3: 000000010349c005 CR4: 00000000003706e0 # [ 68.395237] Call Trace: # [ 68.397968] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 68.404119] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 68.410441] direct_entry.cold+0x2c/0x38 # [ 68.414845] full_proxy_write+0x53/0x80 # [ 68.419152] vfs_write+0xe7/0x3a0 # [ 68.422852] ksys_write+0x68/0xf0 # [ 68.426553] do_syscall_64+0x30/0x40 # [ 68.430543] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 68.436183] RIP: 0033:0x7f7fe472b8f3 # [ 68.440173] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 68.461155] RSP: 002b:00007ffd300bdbb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.469612] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f7fe472b8f3 # [ 68.477583] RDX: 0000000000000020 RSI: 00007f7fe461e000 RDI: 0000000000000001 # [ 68.485553] RBP: 00007f7fe461e000 R08: 00007f7fe461d010 R09: 0000000000000000 # [ 68.493523] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 68.507710] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.515687] irq event stamp: 0 # [ 68.525305] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 68.532308] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 68.541470] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 68.550630] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 68.557630] ---[ end trace f45534a0bbd36161 ]--- # [ 68.562786] 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 # [ 68.742987] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 68.755708] lkdtm: attempting good copy_to_user of correct size # [ 68.762353] 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 # [ 68.881484] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 68.894071] lkdtm: attempting good copy_from_user of correct size # [ 68.907127] 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 # [ 69.045854] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 69.057959] lkdtm: attempting good copy_to_user inside whitelist # [ 69.064698] 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 # [ 69.186998] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 69.196983] lkdtm: attempting good copy_from_user inside whitelist # [ 69.203904] 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 # [ 69.323450] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 69.336046] lkdtm: good_stack: ffffa7010352fe20-ffffa7010352fe40 # [ 69.348970] lkdtm: bad_stack : ffffa7010352fda8-ffffa7010352fdc8 # [ 69.361910] lkdtm: attempting good copy_to_user of local stack # [ 69.374700] 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 # [ 69.499709] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 69.512806] lkdtm: good_stack: ffffa701035cfe20-ffffa701035cfe40 # [ 69.519531] lkdtm: bad_stack : ffffa701035cfda8-ffffa701035cfdc8 # [ 69.526255] lkdtm: attempting good copy_from_user of local stack # [ 69.539173] 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 # [ 69.657993] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 69.670970] lkdtm: good_stack: ffffa7010356fe20-ffffa7010356fe40 # [ 69.683889] lkdtm: bad_stack : ffffa7010356fff8-ffffa70103570018 # [ 69.690627] lkdtm: attempting good copy_to_user of local stack # [ 69.697149] lkdtm: attempting bad copy_to_user of distant stack # [ 69.709986] 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 # [ 69.830539] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 69.840091] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffb9b9b330 # [ 69.855001] lkdtm: attempting bad copy_to_user from kernel text: ffffffffb88e2e20 # [ 69.869555] 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 # [ 69.995726] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 70.005720] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 70.013631] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 70.021422] lkdtm: FAIL: the thread stack is NOT properly erased # [ 70.034340] CPU: 2 PID: 2956 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 70.049199] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 70.056001] Call Trace: # [ 70.058733] dump_stack+0x77/0x9b # [ 70.062430] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 70.067582] direct_entry.cold+0x2c/0x38 # [ 70.071961] full_proxy_write+0x53/0x80 # [ 70.076241] vfs_write+0xe7/0x3a0 # [ 70.079939] ksys_write+0x68/0xf0 # [ 70.083637] do_syscall_64+0x30/0x40 # [ 70.087626] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 70.093265] RIP: 0033:0x7fd54b4828f3 # [ 70.097253] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 70.118249] RSP: 002b:00007ffe8735f138 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 70.126695] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fd54b4828f3 # [ 70.134663] RDX: 0000000000000012 RSI: 00007fd54b375000 RDI: 0000000000000001 # [ 70.142629] RBP: 00007fd54b375000 R08: 00007fd54b374010 R09: 0000000000000000 # [ 70.150596] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 70.158563] 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 # [ 70.281780] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 70.291004] lkdtm: Calling matched prototype ... # [ 70.296166] lkdtm: Calling mismatched prototype ... # [ 70.301620] 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 / #