[Enter `^Ec?' for help] 3797] #2 #3 [ 0.155579] smp: Brought up 1 node, 4 CPUs [ 0.156027] smpboot: Max logical packages: 1 [ 0.156395] smpboot: Total of 4 processors activated (12799.68 BogoMIPS) [ 0.157946] devtmpfs: initialized [ 0.158686] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.159537] futex hash table entries: 1024 (order: 4, 65536 bytes, linear) [ 0.159706] pinctrl core: initialized pinctrl subsystem [ 0.160280] PM: RTC time: 01:45:45, date: 2022-07-05 [ 0.160797] NET: Registered protocol family 16 [ 0.161306] audit: initia coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_B:0.5.5/cr50_v1.9308_87_mp.479-d7921eab Initialized TPM device CR50 revision 0 tlcl_send_startup: Startup return code is 0 TPM: setup succeeded src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0 Chrome EC: UHEPI supported Phase 1 FMAP: Found \"FLASH\" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x0 / 0x0 Phase 2 Phase 3 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_report_dev_firmware() This is developer signed firmware FMAP: area VBLOCK_A found @ 200000 (65536 bytes) FMAP: area VBLOCK_A found @ 200000 (65536 bytes) VB2:vb2_verify_keyblock() Checking key block signature... FMAP: area VBLOCK_A found @ 200000 (65536 bytes) FMAP: area VBLOCK_A found @ 200000 (65536 bytes) VB2:vb2_verify_fw_preamble() Verifying preamble. Phase 4 FMAP: area FW_MAIN_A found @ 210000 (4030400 bytes) VB2:vb2api_init_hash() HW crypto for hash_alg 2 not supported, using SW VB2:vb2_rsa_verify_digest() Digest check failed! VB2:vb2_fail() Need recovery, reason: 0x1b / 0x7 Saving nvdata Reboot requested (10020007) board_reset() called! full_reset() called! coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_B:0.5.5/cr50_v1.9308_87_mp.479-d7921eab Initialized TPM device CR50 revision 0 tlcl_send_startup: Startup return code is 0 TPM: setup succeeded src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0 Chrome EC: UHEPI supported Phase 1 FMAP: Found \"FLASH\" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x1b / 0x7 VB2:vb2_check_recovery() We have a recovery request: 0x1b / 0x0 Recovery requested (1009000e) Saving nvdata tlcl_extend: response is 0 tlcl_extend: response is 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/romstage' CBFS: Found @ offset 80 size 10ffc coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 romstage starting... pm1_sts: 0100 pm1_en: 0000 pm1_cnt: 00001c00 gpe0_sts[0]: 00000000 gpe0_en[0]: 00000000 gpe0_sts[1]: 00000000 gpe0_en[1]: 00000000 gpe0_sts[2]: 00000001 gpe0_en[2]: 00000000 gpe0_sts[3]: 00000000 gpe0_en[3]: 00010000 TCO_STS: 0000 0000 GEN_PMCON: e0040200 0000523a GBLRST_CAUSE: 00000000 00000000 prev_sleep_state 5 Boot Count incremented to 25501 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 29 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'cpu_microcode_blob.bin' CBFS: Found @ offset 11100 size d7c00 microcode: sig=0x806e9 pf=0x10 revision=0x97 Skip microcode update CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fsps.bin' CBFS: Found @ offset 167fc0 size 2f000 Detected 2 core, 4 thread CPU. Setting up SMI for CPU IED base = 0x7b400000 IED size = 0x00400000 Will perform SMM setup. CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz. Loading module at 00030000 with entry 00030000. filesize: 0x170 memsize: 0x170 Processing 16 relocs. Offset value of 0x00030000 Attempting to start 3 APs Waiting for 10ms after sending INIT. Waiting for 1st SIPI to complete...AP: slot 1 apic_id 1. done. AP: slot 3 apic_id 2. AP: slot 2 apic_id 3. Waiting for 2nd SIPI to complete...done. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab21603(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010a19. filesize: 0x3b08 memsize: 0x8bc0 Processing 243 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd SMM Module: stub loaded at 7b008000. Will call 7b010a19(00000000) Clearing SMI status registers SMI_STS: PM1 PM1_STS: PWRBTN TCO_STS: BOOT SECOND_TO New SMBASE 0x7b000000 In relocation handler: CPU 0 New SMBASE=0x7b000000 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afffc00 In relocation handler: CPU 1 New SMBASE=0x7afffc00 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff800 In relocation handler: CPU 2 New SMBASE=0x7afff800 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff400 In relocation handler: CPU 3 New SMBASE=0x7afff400 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. Initializing CPU #0 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC... apic_id: 0x00 done. Turbo is available but hidden Turbo has been enabled SGX : param.enable = 0 Skip microcode update CPU #0 initialized Initializing CPU #1 Initializing CPU #2 Initializing CPU #3 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...Setting up local APIC... apic_id: 0x02 done. apic_id: 0x03 done. Skip microcode update Skip microcode update CPU #3 initialized CPU #2 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 376032 run 167558 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 8974 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 8973 usecs USB2 port 4 scanning... scan_usb_bus for USB2 port 4 scan_usb_bus for USB2 port 4 done scan_bus: scanning of bus USB2 port 4 took 8973 usecs USB2 port 8 scanning... scan_usb_bus for USB2 port 8 scan_usb_bus for USB2 port 8 done scan_bus: scanning of bus USB2 port 8 took 8974 usecs scan_usb_bus for USB0 port 0 done scan_bus: scanning of bus USB0 port 0 took 90971 usecs scan_usb_bus for PCI: 00:14.0 done scan_bus: scanning of bus PCI: 00:14.0 took 107761 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 14156 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 14154 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 22373 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 53527 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 13863 usecs PCI: 00:1f.0 scanning... scan_lpc_bus for PCI: 00:1f.0 PNP: 0c09.0 enabled scan_lpc_bus for PCI: 00:1f.0 done scan_bus: scanning of bus PCI: 00:1f.0 took 11322 usecs PCI: 00:1f.2 scanning... scan_lpc_bus for PCI: 00:1f.2 scan_lpc_bus for PCI: 00:1f.2 done scan_bus: scanning of bus PCI: 00:1f.2 took 9259 usecs PCI: 00:1f.3 scanning... scan_bus: scanning of bus PCI: 00:1f.3 took 2717 usecs PCI: 00:1f.4 scanning... scan_generic_bus for PCI: 00:1f.4 scan_generic_bus for PCI: 00:1f.4 done scan_bus: scanning of bus PCI: 00:1f.4 took 10038 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 10046 usecs scan_bus: scanning of bus DOMAIN: 0000 took 466082 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 486197 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=1 SRP0=1 fast_spi_flash_protect: FPR 0 is enabled for range 0x009d0000-0x009effff MRC: Enabled Protected Range on 'UNIFIED_MRC_CACHE'. BS: BS_DEV_ENUMERATE times (us): entry 0 run 825998 exit 47096 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 2114059 exit 30 Enabling resources... PCI: 00:00.0 subsystem <- 8086/590c PCI: 00:00.0 cmd <- 06 PCI: 00:02.0 subsystem <- 8086/591c PCI: 00:02.0 cmd <- 03 PCI: 00:04.0 cmd <- 02 PCI: 00:08.0 cmd <- 06 PCI: 00:14.0 subsystem <- 8086/9d2f PCI: 00:14.0 cmd <- 02 PCI: 00:14.2 subsystem <- 8086/9d31 PCI: 00:14.2 cmd <- 02 PCI: 00:15.0 subsystem <- 8086/9d60 PCI: 00:15.0 cmd <- 06 PCI: 00:15.1 subsystem <- 8086/9d61 PCI: 00:15.1 cmd <- 06 PCI: 00:16.0 subsystem <- 8086/9d3a PCI: 00:16.0 cmd <- 02 PCI: 00:19.0 subsystem <- 8086/9d66 PCI: 00:19.0 cmd <- 06 PCI: 00:19.1 subsystem <- 8086/9d65 PCI: 00:19.1 cmd <- 06 PCI: 00:1c.0 bridge ctrl <- 0003 PCI: 00:1c.0 subsystem <- 8086/9d10 PCI: 00:1c.0 cmd <- 06 PCI: 00:1e.0 subsystem <- 8086/9d27 PCI: 00:1e.0 cmd <- 06 PCI: 00:1e.2 subsystem <- 8086/9d29 PCI: 00:1e.2 cmd <- 06 PCI: 00:1e.4 subsystem <- 8086/9d2b PCI: 00:1e.4 cmd <- 06 PCI: 00:1e.6 subsystem <- 8086/9d2d PCI: 00:1e.6 cmd <- 06 PCI: 00:1f.0 subsystem <- 8086/9d4b PCI: 00:1f.0 cmd <- 407 PCI: 00:1f.2 subsystem <- 8086/9d21 PCI: 00:1f.2 cmd <- 02 PCI: 00:1f.3 subsystem <- 8086/9d71 PCI: 00:1f.3 cmd <- 02 PCI: 00:1f.4 subsystem <- 8086/9d23 PCI: 00:1f.4 cmd <- 03 PCI: 00:1f.5 subsystem <- 8086/9d24 PCI: 00:1f.5 cmd <- 406 PCI: 01:00.0 subsystem <- 8086/095a PCI: 01:00.0 cmd <- 02 done. ME: Version : 11.8.50.3470 BS: BS_DEV_ENABLE times (us): entry 229 run 139304 exit 18157 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 30874 usecs CPU_CLUSTER: 0 init ... CPU_CLUSTER: 0 init finished in 2444 usecs PCI: 00:00.0 init ... CPU TDP: 5 Watts CPU PL2 = 18 Watts PCI: 00:00.0 init finished in 6985 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2249 usecs PCI: 00:04.0 init ... PCI: 00:04.0 init finished in 2248 usecs PCI: 00:08.0 init ... PCI: 00:08.0 init finished in 2249 usecs PCI: 00:14.0 init ... PCI: 00:14.0 init finished in 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 5966 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 5967 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 2248 usecs PCI: 00:1f.0 init ... IOAPIC: Initializing IOAPIC at 0xfec00000 IOAPIC: Bootstrap Processor Local APIC = 0x00 IOAPIC: ID = 0x02 IOAPIC: Dumping registers reg 0x0000: 0x02000000 reg 0x0001: 0x00770020 reg 0x0002: 0x00000000 PCI: 00:1f.0 init finished in 23490 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 23800 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 24464 usecs Devices initialized Show all devs... After init. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 0 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 01:5c: enabled 1 I2C: 02:15: enabled 1 I2C: 03:39: enabled 1 I2C: 03:3a: enabled 1 I2C: 03:1a: enabled 1 PCI: 01:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 APIC: 02: enabled 1 PCI: 00:04.0: enabled 1 PCI: 00:08.0: enabled 1 FMAP: area RW_ELOG found @ 9f0000 (16384 bytes) ELOG: NV offset 0x9f0000 size 0x4000 ELOG: area is 4096 bytes, full threshold 3842, shrink size 1024 ELOG: Event(17) added with size 13 at 2022-07-05 02:58:56 UTC POST: Unexpected post code in previous boot: 0x34 ELOG: Event(A3) added with size 11 at 2022-07-05 02:58:56 UTC ELOG: Event(A6) added with size 13 at 2022-07-05 02:58:56 UTC ELOG: Event(92) added with size 9 at 2022-07-05 02:58:56 UTC ELOG: Event(9A) added with size 9 at 2022-07-05 02:58:56 UTC ELOG: Event(AD) added with size 10 at 2022-07-05 02:58:56 UTC ELOG: Event(9F) added with size 14 at 2022-07-05 02:58:56 UTC BS: BS_DEV_INIT times (us): entry 0 run 417124 exit 66306 ELOG: Event(A1) added with size 10 at 2022-07-05 02:58:56 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2022-07-05 02:58:56 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 25554 run 3968 exit 5205 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 | high 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 820d 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 534019 exit 146845 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() CBFS: Found @ offset 223040 size 360b4 CPU physical address size: 39 bits 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 Checking segment from ROM address 0xfff23078 call enable_fixed_mtrr() Checking segment from ROM address 0xfff23094 CPU physical address size: 39 bits 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 612 run 261369 exit 135676 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 6750334/tftp-deploy-kht5sa4g/kernel/bzImage 6750334/tftp-deploy-kht5sa4g/kernel/cmdline 6750334/tftp-deploy-kht5sa4g/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 6750334/tftp-deploy-kht5sa4g/kernel/bzImoy-kht5sa4g/kernel/cmdline 6750334/tftp-deploy-kht5sa4g/ramdisk/ramdisk.cpio.gz Waiting for link R8152: Initializing Version 9 (ocp_data = 6010) R8152: Done initializing Adding net device done. MAC: 00:e0:4c:68:0a:98 Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.20 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 6750334/tftp-deploy-kht5sa4g/kernel/bzImage Sending tftp read request... done. Waiting for the transfer... 00000000 ################################################################ 00080000 ################################################################ 00100000 ################################################################ 00180000 ################################################################ 00200000 ################################################################ 00280000 ################################################################ 00300000 ################################################################ 00380000 ################################################################ 00400000 ################################################################ 00480000 ################################################################ 00500000 ################################################################ 00580000 ################################################################ 00600000 ################################################################ 00680000 ################################################################ 00700000 ################################################################ 00780000 ################################################################ 00800000 ################################################################ 00880000 ################################################################ 00900000 ################################################################ 00980000 ################################################################ 00a00000 ################################################################ 00a80000 ################################################################ 00b00000 ################################################################ 00b80000 ################################################################ 00c00000 ################################################################ done. The bootfile was 13099616 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: 6750334/tftp-deploy-kht5sa4g/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/6750334/extract-nfsrootfs-8t3zyqpr,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: 19041974 Starting kernel ... [ 0.000000] Linux version 5.10.128-cip10 (KernelCI@build-j309506-x86-64-gcc-10-x86-64-defconfig-x86-chromeboodvr6q) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Tue Jul 5 02:48:48 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/6750334/extract-nfsrootfs-8t3zyqpr,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.000000] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x008: 'MPX bounds registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x010: 'MPX CSR' [ 0.000000] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 0.000000] x86/fpu: xstate_offset[3]: 832, xstate_sizes[3]: 64 [ 0.000000] x86/fpu: xstate_offset[4]: 896, xstate_sizes[4]: 64 [ 0.000000] x86/fpu: Enabled xstate features 0x1f, context size is 960 bytes, using 'compacted' format. [ 0.000000] BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x0000000000000fff] type 16 [ 0.000000] BIOS-e820: [mem 0x0000000000001000-0x000000000009ffff] usable [ 0.000000] BIOS-e820: [mem 0x00000000000a0000-0x00000000000fffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000007a997fff] usable [ 0.000000] BIOS-e820: [mem 0x000000007a998000-0x000000007affffff] type 16 [ 0.000000] BIOS-e820: [mem 0x000000007b000000-0x000000007fffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000e0000000-0x00000000e3ffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fe000000-0x00000000fe00ffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fed10000-0x00000000fed19fff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fed80000-0x00000000fed84fff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fed90000-0x00000000fed91fff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000017effffff] usable [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] SMBIOS 2.7 present. [ 0.000000] DMI: Google Rammus/Rammus, BIOS 09/04/2020 [ 0.000000] tsc: Detected 1600.000 MHz processor [ 0.000000] tsc: Detected 1599.960 MHz TSC [ 0.000052] last_pfn = 0x17f000 max_arch_pfn = 0x400000000 [ 0.001321] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.006712] last_pfn = 0x7a998 max_arch_pfn = 0x400000000 [ 0.022883] check: Scanning 1 areas for low memory corruption [ 0.022896] Using GB pages for direct mapping [ 0.023662] RAMDISK: [mem 0x377e2000-0x37ffffff] [ 0.023669] ACPI: Early table checksum verification disabled [ 0.023677] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) [ 0.023691] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.023707] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.023722] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531) [ 0.023735] ACPI: FACS 0x000000007AA9A240 000040 [ 0.023746] ACPI: FACS 0x000000007AA9A240 000040 [ 0.023757] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE COREBOOT 0000002A CORE 0000002A) [ 0.023769] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.023781] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.023792] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE COREBOOT 00000000 CORE 00000000) [ 0.023804] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS 00000000 CORE 00000000) [ 0.023816] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.023828] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE COREBOOT 00000000 CORE 00000000) [ 0.023839] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.023851] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63] [ 0.023856] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962] [ 0.023861] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.023865] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.023870] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969] [ 0.023874] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab] [ 0.023879] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef] [ 0.023884] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b] [ 0.023888] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b] [ 0.023893] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607] [ 0.023898] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670] [ 0.023902] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7] [ 0.024041] No NUMA configuration found [ 0.024047] Faking a node at [mem 0x0000000000000000-0x000000017effffff] [ 0.024056] NODE_DATA(0) allocated [mem 0x17effa000-0x17effdfff] [ 0.024098] Zone ranges: [ 0.024103] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.024110] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.024118] Normal [mem 0x0000000100000000-0x000000017effffff] [ 0.024125] Movable zone start for each node [ 0.024129] Early memory node ranges [ 0.024134] node 0: [mem 0x0000000000001000-0x000000000009ffff] [ 0.024139] node 0: [mem 0x0000000000100000-0x000000007a997fff] [ 0.024144] node 0: [mem 0x0000000100000000-0x000000017effffff] [ 0.024150] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff] [ 0.024186] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.024231] On node 0, zone DMA: 96 pages in unavailable ranges [ 0.035159] On node 0, zone Normal: 22120 pages in unavailable ranges [ 0.035225] On node 0, zone Normal: 4096 pages in unavailable ranges [ 0.035250] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] [ 0.035603] ACPI: PM-Timer IO Port: 0x1808 [ 0.035656] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 [ 0.035668] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.035673] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.035687] Using ACPI (MADT) for SMP configuration information [ 0.035692] ACPI: HPET id: 0x8086a701 base: 0xfed00000 [ 0.035699] TSC deadline timer available [ 0.035704] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.035732] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.035737] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] [ 0.035743] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff] [ 0.035747] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] [ 0.035751] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff] [ 0.035755] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff] [ 0.035759] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff] [ 0.035763] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff] [ 0.035766] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff] [ 0.035770] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff] [ 0.035774] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff] [ 0.035778] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff] [ 0.035782] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff] [ 0.035786] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff] [ 0.035790] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff] [ 0.035798] [mem 0x80000000-0xdfffffff] available for PCI devices [ 0.035805] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.049130] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 [ 0.049397] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 [ 0.049466] Built 1 zonelists, mobility grouping on. Total pages: 1006266 [ 0.049471] Policy zone: Normal [ 0.049484] 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/6750334/extract-nfsrootfs-8t3zyqpr,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.049998] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.050240] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.050320] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.071274] Memory: 3892568K/4089052K available (18450K kernel code, 3458K rwdata, 5992K rodata, 1688K init, 11616K bss, 196224K reserved, 0K cma-reserved) [ 0.071426] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.071482] Kernel/User page tables isolation: enabled [ 0.071559] ftrace: allocating 52718 entries in 206 pages [ 0.108790] ftrace: allocated 206 pages with 5 groups [ 0.109070] Running RCU self tests [ 0.109085] rcu: Hierarchical RCU implementation. [ 0.109090] rcu: RCU event tracing is enabled. [ 0.109094] rcu: RCU lockdep checking is enabled. [ 0.109099] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. [ 0.109104] Rude variant of Tasks RCU enabled. [ 0.109108] Tracing variant of Tasks RCU enabled. [ 0.109113] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.109118] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.118683] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 [ 0.119154] random: crng init done [ 0.119260] Console: colour dummy device 80x25 [ 0.194418] printk: console [ttyS0] enabled [ 0.194787] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.195448] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.195808] ... MAX_LOCK_DEPTH: 48 [ 0.196176] ... MAX_LOCKDEP_KEYS: 8192 [ 0.196557] ... CLASSHASH_SIZE: 4096 [ 0.196937] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.197326] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.197714] ... CHAINHASH_SIZE: 32768 [ 0.198103] memory used by lock dependency info: 6365 kB [ 0.198569] memory used for stack traces: 4224 kB [ 0.198987] per task-struct memory footprint: 1920 bytes [ 0.199505] ACPI: Core revision 20200925 [ 0.200076] hpet: HPET dysfunctional in PC10. Force disabled. [ 0.200576] APIC: Switch to symmetric I/O mode setup [ 0.205077] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns [ 0.205993] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960) [ 0.206898] pid_max: default: 32768 minimum: 301 [ 0.206977] LSM: Security Framework initializing [ 0.206977] SELinux: Initializing. [ 0.206977] LSM support for eBPF active [ 0.206977] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.206977] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.206977] mce: CPU0: Thermal monitoring enabled (TM1) [ 0.206977] process: using mwait in idle threads [ 0.206977] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 0.206977] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 0.206977] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.206977] Spectre V2 : Mitigation: Retpolines [ 0.206977] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.206977] Spectre V2 : Enabling Restricted Speculation for firmware calls [ 0.206977] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 0.206977] Spectre V2 : User space: Mitigation: STIBP via seccomp and prctl [ 0.206977] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp [ 0.206977] MDS: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.206977] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.206977] SRBDS: Vulnerable: No microcode [ 0.206977] Freeing SMP alternatives memory: 44K [ 0.206977] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9) [ 0.207674] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver. [ 0.207993] ... version: 4 [ 0.208350] ... bit width: 48 [ 0.208711] ... generic registers: 4 [ 0.208985] ... value mask: 0000ffffffffffff [ 0.209449] ... max period: 00007fffffffffff [ 0.209911] ... fixed-purpose events: 3 [ 0.209984] ... event mask: 000000070000000f [ 0.210977] rcu: Hierarchical SRCU implementation. [ 0.213476] smp: Bringing up secondary CPUs ... [ 0.214658] x86: Booting SMP configuration: [ 0.215007] .... node #0, CPUs: #1 [ 0.216089] 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. [ 0.216997] 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. [ 0.218674] #2 #3 [ 0.221130] smp: Brought up 1 node, 4 CPUs [ 0.221600] smpboot: Max logical packages: 1 [ 0.221988] smpboot: Total of 4 processors activated (12799.68 BogoMIPS) [ 0.224355] devtmpfs: initialized [ 0.225315] x86/mm: Memory block size: 128MB [ 0.230038] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.230831] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) [ 0.231455] pinctrl core: initialized pinctrl subsystem [ 0.232288] PM: RTC time: 02:59:11, date: 2022-07-05 [ 0.233327] NET: Registered protocol family 16 [ 0.234548] audit: initializing netlink subsys (disabled) [ 0.235037] audit: type=2000 audit(1656989951.029:1): state=initialized audit_enabled=0 res=1 [ 0.235808] thermal_sys: Registered thermal governor 'step_wise' [ 0.235814] thermal_sys: Registered thermal governor 'user_space' [ 0.236074] cpuidle: using governor menu [ 0.237151] ACPI: bus type PCI registered [ 0.237912] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000) [ 0.237995] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820 [ 0.238618] PCI: Using configuration type 1 for base access [ 0.264069] Kprobes globally optimized [ 0.264442] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.264998] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.265765] cryptomgr_test (38) used greatest stack depth: 14880 bytes left [ 0.269050] ACPI: Added _OSI(Module Device) [ 0.269424] ACPI: Added _OSI(Processor Device) [ 0.269815] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.269985] ACPI: Added _OSI(Processor Aggregator Device) [ 0.270459] ACPI: Added _OSI(Linux-Dell-Video) [ 0.270852] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.270986] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 0.284664] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 0.293369] ACPI: EC: EC started [ 0.293681] ACPI: EC: interrupt blocked [ 0.294785] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.294989] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions [ 0.295626] ACPI: Interpreter enabled [ 0.296014] ACPI: (supports S0 S3 S4 S5) [ 0.296365] ACPI: Using IOAPIC for interrupt routing [ 0.296882] PCI: Using host bridge windows from ACPI; if necessary, use \"pci=nocrs\" and report a bug [ 0.314783] ACPI: Power Resource [PRIC] (on) [ 0.440428] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.440977] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 0.441311] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] [ 0.441992] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge [ 0.443624] PCI host bridge to bus 0000:00 [ 0.443990] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.444580] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 0.444986] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.445632] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window] [ 0.445985] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window] [ 0.446631] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window] [ 0.446985] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window] [ 0.447631] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window] [ 0.447985] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window] [ 0.448631] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window] [ 0.448985] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window] [ 0.449630] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window] [ 0.449985] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window] [ 0.450630] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window] [ 0.450985] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window] [ 0.451631] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window] [ 0.451985] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window] [ 0.452631] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window] [ 0.452985] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window] [ 0.453630] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window] [ 0.453986] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.454557] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000 [ 0.456143] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000 [ 0.456694] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit] [ 0.457001] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref] [ 0.457635] pci 0000:00:02.0: reg 0x20: [io 0x1c00-0x1c3f] [ 0.458736] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000 [ 0.459013] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit] [ 0.460482] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000 [ 0.461014] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit] [ 0.462375] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330 [ 0.462930] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit] [ 0.463146] pci 0000:00:14.0: PME# supported from D3hot D3cold [ 0.464539] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000 [ 0.465027] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit] [ 0.466407] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000 [ 0.466969] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit] [ 0.467922] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000 [ 0.468034] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit] [ 0.469599] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000 [ 0.470034] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit] [ 0.470647] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit] [ 0.471905] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000 [ 0.472033] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit] [ 0.473587] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400 [ 0.474205] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold [ 0.475621] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000 [ 0.476034] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit] [ 0.477557] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000 [ 0.478033] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit] [ 0.479556] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501 [ 0.480027] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit] [ 0.481666] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501 [ 0.482028] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit] [ 0.483521] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100 [ 0.484883] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000 [ 0.485019] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff] [ 0.486442] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100 [ 0.487010] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit] [ 0.487651] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit] [ 0.488103] pci 0000:00:1f.3: PME# supported from D3hot D3cold [ 0.489485] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500 [ 0.490052] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit] [ 0.490709] pci 0000:00:1f.4: reg 0x20: [io 0xefa0-0xefbf] [ 0.491826] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000 [ 0.492019] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff] [ 0.493866] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 [ 0.494558] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit] [ 0.497610] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold [ 0.500199] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 0.500653] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 0.502482] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.503297] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15) [ 0.504219] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.505160] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.506101] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.507037] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.507973] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.508910] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.515407] ACPI: EC: interrupt unblocked [ 0.515779] ACPI: EC: event unblocked [ 0.515984] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.516434] ACPI: EC: GPE=0x6e [ 0.516718] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete [ 0.516988] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events [ 0.518127] iommu: Default domain type: Translated [ 0.519077] pci 0000:00:02.0: vgaarb: setting as boot VGA device [ 0.519622] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.520013] pci 0000:00:02.0: vgaarb: bridge control possible [ 0.520514] vgaarb: loaded [ 0.521412] SCSI subsystem initialized [ 0.522314] ACPI: bus type USB registered [ 0.523051] usbcore: registered new interface driver usbfs [ 0.523602] usbcore: registered new interface driver hub [ 0.524036] usbcore: registered new device driver usb [ 0.524623] pps_core: LinuxPPS API ver. 1 registered [ 0.524985] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.525778] PTP clock support registered [ 0.526267] Advanced Linux Sound Architecture Driver Initialized. [ 0.528054] NetLabel: Initializing [ 0.528363] NetLabel: domain hash size = 128 [ 0.528747] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.529062] NetLabel: unlabeled traffic allowed by default [ 0.530124] PCI: Using ACPI for IRQ routing [ 0.538801] clocksource: Switched to clocksource tsc-early [ 0.958782] VFS: Disk quotas dquot_6.6.0 [ 0.959209] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 0.960256] pnp: PnP ACPI init [ 0.961486] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved [ 0.962089] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved [ 0.962667] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved [ 0.963265] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved [ 0.963843] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved [ 0.964435] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved [ 0.965054] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved [ 0.965660] system 00:00: [mem 0xff000000-0xffffffff] has been reserved [ 0.966250] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved [ 0.966825] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved [ 0.968466] system 00:01: [io 0x1800-0x18fe] has been reserved [ 0.969451] system 00:03: [io 0x0900-0x09fe] has been reserved [ 0.970279] system 00:04: [io 0x0200] has been reserved [ 0.970749] system 00:04: [io 0x0204] has been reserved [ 0.971235] system 00:04: [io 0x0800-0x087f] has been reserved [ 0.971754] system 00:04: [io 0x0880-0x08ff] has been reserved [ 0.974976] pnp: PnP ACPI: found 6 devices [ 0.992022] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 0.992915] NET: Registered protocol family 2 [ 0.993500] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 0.996058] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) [ 0.997052] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) [ 0.997968] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) [ 1.000890] TCP: Hash tables configured (established 32768 bind 32768) [ 1.001846] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) [ 1.002834] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.003756] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.004839] NET: Registered protocol family 1 [ 1.006011] RPC: Registered named UNIX socket transport module. [ 1.006554] RPC: Registered udp transport module. [ 1.006970] RPC: Registered tcp transport module. [ 1.007399] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 1.008589] NET: Registered protocol family 44 [ 1.009026] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 1.009480] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 1.010103] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 1.010639] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 1.011252] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 1.011848] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window] [ 1.012456] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window] [ 1.013064] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window] [ 1.013659] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window] [ 1.014271] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window] [ 1.014872] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window] [ 1.015485] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window] [ 1.016139] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window] [ 1.016741] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window] [ 1.017355] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window] [ 1.017957] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window] [ 1.018570] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window] [ 1.019185] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window] [ 1.019788] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window] [ 1.020401] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window] [ 1.021029] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window] [ 1.021631] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window] [ 1.022246] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff] [ 1.023343] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 1.026334] PCI: CLS 64 bytes, default 64 [ 1.027127] Unpacking initramfs... [ 1.379272] Freeing initrd memory: 8312K [ 1.379701] DMAR: Host address width 39 [ 1.380094] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 [ 1.380627] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e [ 1.381370] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff [ 1.381918] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 [ 1.382415] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da [ 1.383217] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.383780] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB) [ 1.384725] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer [ 1.385437] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules [ 1.385938] RAPL PMU: hw unit of domain package 2^-14 Joules [ 1.386520] RAPL PMU: hw unit of domain dram 2^-14 Joules [ 1.387004] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules [ 1.387498] RAPL PMU: hw unit of domain psys 2^-14 Joules [ 1.390010] kvm: already loaded the other module [ 1.421570] check: Scanning for low memory corruption every 60 seconds [ 1.425809] Initialise system trusted keyrings [ 1.426494] workingset: timestamp_bits=56 max_order=20 bucket_order=0 [ 1.449487] NFS: Registering the id_resolver key type [ 1.449971] Key type id_resolver registered [ 1.450389] Key type id_legacy registered [ 1.473144] Key type asymmetric registered [ 1.473544] Asymmetric key parser 'x509' registered [ 1.474044] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 1.474701] io scheduler mq-deadline registered [ 1.475121] io scheduler kyber registered [ 1.475739] test_firmware: interface ready [ 1.477874] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120 [ 1.479863] ACPI: AC Adapter [AC] (on-line) [ 1.480688] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0 [ 1.482442] ACPI: Lid Switch [LID0] [ 1.483074] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 [ 1.484003] ACPI: Power Button [PWRF] [ 1.484808] ACPI: \_PR_.CP00: Found 3 idle states [ 1.486210] ACPI: \_PR_.CP01: Found 3 idle states [ 1.487278] ACPI: \_PR_.CP02: Found 3 idle states [ 1.488411] ACPI: \_PR_.CP03: Found 3 idle states [ 1.490343] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.494357] hpet_acpi_add: no address or irqs in _CRS [ 1.495160] Non-volatile memory driver v1.3 [ 1.495739] Linux agpgart interface v0.103 [ 1.495805] battery: ACPI: Battery Slot [BAT0] (battery present) [ 1.499198] i915 0000:00:02.0: vgaarb: deactivate vga console [ 1.552422] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 1.553741] i915 0000:00:02.0: Direct firmware load for i915/kbl_dmc_ver1_04.bin failed with error -2 [ 1.554672] i915 0000:00:02.0: [drm] Failed to load DMC firmware i915/kbl_dmc_ver1_04.bin. Disabling runtime power management. [ 1.555881] i915 0000:00:02.0: [drm] DMC firmware homepage: https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915 [ 1.592452] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 [ 1.596462] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 [ 1.616111] loop: module loaded [ 1.617280] lkdtm: No crash points registered, enable through debugfs [ 1.642966] printk: console [ttyS0] disabled [ 1.643642] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A [ 2.478236] tsc: Refined TSC clocksource calibration: 1607.999 MHz [ 2.479577] printk: console [ttyS0] enabled [ 2.483079] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172da94f0e2, max_idle_ns: 440795278248 ns [ 2.521503] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A [ 4.876873] clocksource: Switched to clocksource tsc [ 4.877095] fbcon: i915drmfb (fb0) is primary device [ 4.879332] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO [ 4.888005] e100: Intel(R) PRO/100 Network Driver [ 4.888009] e100: Copyright(c) 1999-2006 Intel Corporation [ 4.888078] e1000: Intel(R) PRO/1000 Network Driver [ 4.888081] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 4.888168] e1000e: Intel(R) PRO/1000 Network Driver [ 4.888170] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 4.888263] sky2: driver version 1.30 [ 4.888609] usbcore: registered new interface driver r8152 [ 4.889068] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 4.889233] ehci-pci: EHCI PCI platform driver [ 4.889340] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 4.889379] ohci-pci: OHCI PCI platform driver [ 4.889518] uhci_hcd: USB Universal Host Controller Interface driver [ 4.889870] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2 [ 4.891537] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 4.892895] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 [ 4.894446] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 [ 4.894509] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported [ 4.897129] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 4.897146] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.897150] usb usb1: Product: xHCI Host Controller [ 4.897154] usb usb1: Manufacturer: Linux 5.10.128-cip10 xhci-hcd [ 4.897158] usb usb1: SerialNumber: 0000:00:14.0 [ 4.899200] hub 1-0:1.0: USB hub found [ 4.899388] hub 1-0:1.0: 12 ports detected [ 4.903651] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 4.904126] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 [ 4.904141] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed [ 4.904673] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 [ 4.904682] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.904686] usb usb2: Product: xHCI Host Controller [ 4.904689] usb usb2: Manufacturer: Linux 5.10.128-cip10 xhci-hcd [ 4.904693] usb usb2: SerialNumber: 0000:00:14.0 [ 4.906068] hub 2-0:1.0: USB hub found [ 4.906263] hub 2-0:1.0: 6 ports detected [ 4.908680] usbcore: registered new interface driver usblp [ 4.908763] usbcore: registered new interface driver usb-storage [ 4.909339] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers [ 4.909468] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 [ 4.909472] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp [ 4.910215] i8042: Warning: Keylock active [ 4.910465] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 4.912864] rtc_cmos 00:02: RTC can wake from S4 [ 4.913423] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0) [ 4.914412] Console: switching to colour frame buffer device 240x67 [ 4.915498] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 [ 4.915608] rtc_cmos 00:02: registered as rtc0 [ 4.915918] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram [ 4.917469] i801_smbus 0000:00:1f.4: SPD Write Disable is set [ 4.917514] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt [ 4.918638] i2c i2c-9: 2/2 memory slots populated (from DMI) [ 4.920596] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com [ 4.920648] intel_pstate: Intel P-state driver initializing [ 4.921515] intel_pstate: HWP enabled [ 4.921567] sdhci: Secure Digital Host Controller Interface driver [ 4.921569] sdhci: Copyright(c) Pierre Ossman [ 4.921604] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21) [ 4.922900] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit [ 4.923164] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 4.924996] hid: raw HID events driver (C) Jiri Kosina [ 4.930021] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device [ 4.936300] usbcore: registered new interface driver usbhid [ 5.148040] usb 1-3: new full-speed USB device number 2 using xhci_hcd [ 5.148575] usbhid: USB HID core driver [ 5.285196] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 [ 5.293246] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3 [ 5.298352] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 5.399071] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.405048] cros_ec_lpcs GOOG0004:00: Chrome EC device registered [ 5.415865] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100 [ 5.426667] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 [ 5.427335] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 5.435831] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6 [ 5.442285] gre: GRE over IPv4 demultiplexor driver [ 5.449952] usb 2-3: Product: USB 10/100/1000 LAN [ 5.449955] usb 2-3: Manufacturer: Realtek [ 5.449957] usb 2-3: SerialNumber: 001000001 [ 5.470137] ip_gre: GRE over IPv4 tunneling driver [ 5.477037] IPv4 over IPsec tunneling driver [ 5.482286] Initializing XFRM netlink socket [ 5.488129] NET: Registered protocol family 10 [ 5.494166] Segment Routing with IPv6 [ 5.498962] ip6_gre: GRE over IPv6 tunneling driver [ 5.504781] NET: Registered protocol family 17 [ 5.509855] Key type dns_resolver registered [ 5.515676] microcode: sig=0x806e9, pf=0x10, revision=0x98 [ 5.523127] microcode: Microcode Update Driver: v2.2. [ 5.523134] IPI shorthand broadcast: enabled [ 5.528001] 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 [ 5.528449] mmc0: new HS400 MMC card at address 0001 [ 5.528894] sched_clock: Marking stable (5441937790, 86861356)->(5557311740, -28512594) [ 5.529046] mmcblk0: mmc0:0001 DA4064 58.2 GiB [ 5.529142] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB [ 5.529231] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB [ 5.529362] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (246:0) [ 5.533409] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 [ 5.594022] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) [ 5.594193] registered taskstats version 1 [ 5.603751] usb 1-9: new high-speed USB device number 3 using xhci_hcd [ 5.608356] Loading compiled-in X.509 certificates [ 5.623112] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.630149] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up [ 5.633049] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.649314] PM: Magic number: 14:33:965 [ 5.654194] printk: console [netcon0] enabled [ 5.659076] netconsole: network logging started [ 5.770232] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07 [ 5.779431] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2 [ 5.787428] usb 1-9: Product: USB2.0 HD UVC WebCam [ 5.792805] usb 1-9: Manufacturer: Azurewave [ 5.797599] usb 1-9: SerialNumber: 0x0001 [ 5.807412] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.858250] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.883889] r8152 2-3:1.0: Direct firmware load for rtl_nic/rtl8153b-2.fw failed with error -2 [ 5.893663] r8152 2-3:1.0: unable to load firmware patch rtl_nic/rtl8153b-2.fw (-2) [ 5.933594] r8152 2-3:1.0 eth0: v1.11.11 [ 5.938819] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.939266] IP-Config: Failed to open gretap0 [ 5.952028] IP-Config: Failed to open erspan0 [ 5.973214] Sending DHCP requests . [ 7.588208] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 7.599957] r8152 2-3:1.0 eth0: carrier on [ 8.820136] ., OK [ 8.830378] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.20 [ 8.839368] IP-Config: Complete: [ 8.843008] device=eth0, hwaddr=00:e0:4c:68:0a:98, ipaddr=192.168.201.20, mask=255.255.255.0, gw=192.168.201.1 [ 8.854697] host=asus-C433TA-AJ0005-rammus-cbg-2, domain=lava-rack, nis-domain=(none) [ 8.863949] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= [ 8.863952] nameserver0=192.168.201.1 [ 8.876759] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 8.887966] modprobe (100) used greatest stack depth: 14208 bytes left [ 8.890729] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 8.895301] modprobe (101) used greatest stack depth: 14120 bytes left [ 8.902854] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 8.904066] ALSA device list: [ 8.904070] No soundcards found. [ 8.926783] cfg80211: failed to load regulatory.db [ 8.932510] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console [ 8.942092] Freeing unused kernel image (initmem) memory: 1688K [ 8.961273] Write protecting the kernel read-only data: 26624k [ 8.968770] Freeing unused kernel image (text/rodata gap) memory: 2028K [ 8.976474] Freeing unused kernel image (rodata/data gap) memory: 152K [ 8.983830] Run /init as init process Loading, please wait... Starting version 247.3-7 [ 9.003473] systemd-udevd (122) used greatest stack depth: 13800 bytes left [ 9.051438] udevadm (124) used greatest stack depth: 13576 bytes left [ 9.177421] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. [ 9.190703] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.217425] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.256507] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.267831] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.284530] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.299938] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.309751] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... done. IP-Config: eth0 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: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.20 broadcast: 192.168.201.255 netmask: 255.255.255.0 gateway: 192.168.201.1 dns0 : 192.168.201.1 dns1 : 0.0.0.0 host : asus-C433TA-AJ0005-rammus-cbg-2 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : [ 9.456106] nfsmount (162) used greatest stack depth: 12680 bytes left done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. SELinux: Could not open policy file <= /etc/selinux/targeted/policy/policy.33: No such file or directory [ 10.673084] systemd[1]: systemd 247.3-7 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified) [ 10.710320] systemd[1]: Detected architecture x86-64. Welcome to [1mDebian GNU/Linux 11 (bullseye)[0m! [ 10.741146] systemd[1]: Set hostname to . [ 11.148796] systemd[1]: Queued start job for default target Graphical Interface. [ 11.159861] systemd[1]: Created slice system-getty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-getty.slice[0m. [ 11.175598] systemd[1]: Created slice system-modprobe.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-modprobe.slice[0m. [ 11.191600] systemd[1]: Created slice system-serial\x2dgetty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-serial\x2dgetty.slice[0m. [ 11.208567] systemd[1]: Created slice User and Session Slice. [[0;32m OK [0m] Created slice [0;1;39mUser and Session Slice[0m. [ 11.224528] 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. [ 11.243410] 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. [ 11.265069] 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. [ 11.285360] systemd[1]: Reached target Local Encrypted Volumes. [[0;32m OK [0m] Reached target [0;1;39mLocal Encrypted Volumes[0m. [ 11.301264] systemd[1]: Reached target Paths. [[0;32m OK [0m] Reached target [0;1;39mPaths[0m. [ 11.312234] systemd[1]: Reached target Remote File Systems. [[0;32m OK [0m] Reached target [0;1;39mRemote File Systems[0m. [ 11.328277] systemd[1]: Reached target Slices. [[0;32m OK [0m] Reached target [0;1;39mSlices[0m. [ 11.339239] systemd[1]: Reached target Swap. [[0;32m OK [0m] Reached target [0;1;39mSwap[0m. [ 11.350537] systemd[1]: Listening on initctl Compatibility Named Pipe. [[0;32m OK [0m] Listening on [0;1;39minitctl Compatibility Named Pipe[0m. [ 11.368384] systemd[1]: Listening on Journal Audit Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Audit Socket[0m. [ 11.385202] systemd[1]: Listening on Journal Socket (/dev/log). [[0;32m OK [0m] Listening on [0;1;39mJournal Socket (/dev/log)[0m. [ 11.401740] systemd[1]: Listening on Journal Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Socket[0m. [ 11.417147] systemd[1]: Listening on Network Service Netlink Socket. [[0;32m OK [0m] Listening on [0;1;39mNetwork Service Netlink Socket[0m. [ 11.435585] systemd[1]: Listening on udev Control Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Control Socket[0m. [ 11.451625] systemd[1]: Listening on udev Kernel Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Kernel Socket[0m. [ 11.468961] systemd[1]: Mounting Huge Pages File System... Mounting [0;1;39mHuge Pages File System[0m... [ 11.483156] systemd[1]: Mounting POSIX Message Queue File System... Mounting [0;1;39mPOSIX Message Queue File System[0m... [ 11.500895] systemd[1]: Mounting Kernel Debug File System... Mounting [0;1;39mKernel Debug File System[0m... [ 11.517858] systemd[1]: Mounting Kernel Trace File System... Mounting [0;1;39mKernel Trace File System[0m... [ 11.541197] 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... [ 11.561888] systemd[1]: Starting Load Kernel Module configfs... Starting [0;1;39mLoad Kernel Module configfs[0m... [ 11.578555] systemd[1]: Starting Load Kernel Module drm... Starting [0;1;39mLoad Kernel Module drm[0m... [ 11.592749] systemd[1]: Starting Load Kernel Module fuse... Starting [0;1;39mLoad Kernel Module fuse[0m... [ 11.628719] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 11.639119] fuse: init (API version 7.32) [ 11.645036] systemd[1]: Starting Journal Service... Starting [0;1;39mJournal Service[0m... [ 11.661614] systemd[1]: Starting Load Kernel Modules... Starting [0;1;39mLoad Kernel Modules[0m... [ 11.675462] systemd[1]: Starting Remount Root and Kernel File Systems... Starting [0;1;39mRemount Root and Kernel File Systems[0m... [ 11.694562] systemd[1]: Starting Coldplug All udev Devices... Starting [0;1;39mColdplug All udev Devices[0m... [ 11.710990] systemd[1]: Mounted Huge Pages File System. [[0;32m OK [0m] Mounted [0;1;39mHuge Pages File System[0m. [ 11.727486] systemd[1]: Mounted POSIX Message Queue File System. [[0;32m OK [0m] Mounted [0;1;39mPOSIX Message Queue File System[0m. [ 11.743324] systemd[1]: Mounted Kernel Debug File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Debug File System[0m. [ 11.758283] systemd[1]: Mounted Kernel Trace File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Trace File System[0m. [ 11.774323] 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. [ 11.795874] systemd[1]: modprobe@configfs.service: Succeeded. [ 11.802805] systemd[1]: Finished Load Kernel Module configfs. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module configfs[0m. [ 11.818370] systemd[1]: Started Journal Service. [[0;32m OK [0m] Started [0;1;39mJournal Service[0m. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module drm[0m. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module fuse[0m. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Modules[0m. [[0;32m OK [0m] Finished [0;1;39mRemount Root and Kernel File Systems[0m. Mounting [0;1;39mFUSE Control File System[0m... Mounting [0;1;39mKernel Configuration File System[0m... Starting [0;1;39mFlush Journal to Persistent Storage[0m... Starting [0;1;39mLoad/Save Random Seed[0m... Starting [0;1;39mApply Kernel Variables[0m... Starting [0;1;39mCreate System Users[0m... [[0;32m OK [0m] Mounted [0;1;39mFUSE Control File System[0[ 11.936399] systemd-journald[198]: Received client request to flush runtime journal. m. [[0;32m OK [0m] Mounted [0;1;39mKernel Configuration File System[0m. [[0;32m OK [0m] Finished [0;1;39mLoad/Save Random Seed[0m. [[0;32m OK [0m] Finished [0;1;39mApply Kernel Variables[0m. [[0;32m OK [0m] Finished [0;1;39mColdplug All udev Devices[0m. [[0;32m OK [0m] Finished [0;1;39mCreate System Users[0m. Starting [0;1;39mCreate Static Device Nodes in /dev[0m... [[0;32m OK [0m] Finished [0;1;39mFlush Journal to Persistent Storage[0m. [ 13.440697] systemd-tmpfile (210) 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] Started [0;1;39mNetwork Service[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... 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 5.10.128-cip10 #1 SMP Tue Jul 5 02:48:48 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/6750334/extract-nfsrootfs-8t3zyqpr' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/6750334/extract-nfsrootfs-8t3zyqpr' / # 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-6750334/environment . /lava-6750334/environment / # /lava-6750334/bin/lava-test-runner /lava-6750334/0 /lava-6750334/bin/lava-test-runner /lava-6750334/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-6750334/0/tests/0_timesync-off ++ cat uuid + UUID=6750334_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-6750334/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=6750334_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-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.125-cip10-120-gf70f522cb972/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-gitlab -e '' -p /opt/kselftests/mainline/ INFO: Generating a skipfile based on /lava-6750334/0/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). 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. --2022-07-05 02:59:46-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.125-cip10-120-gf70f522cb972/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: 3500208 (3.3M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 50.15K 177KB/s kselftest.tar.xz 6%[> ] 218.91K 386KB/s kselftest.tar.xz 18%[==> ] 636.06K 618KB/s kselftest.tar.xz 63%[===========> ] 2.12M 1.66MB/s kselftest.tar.xz 82%[===============> ] 2.75M 1.82MB/s kselftest.tar.xz 92%[=================> ] 3.10M 1.81MB/s kselftest.tar.xz 100%[===================>] 3.34M 1.91MB/s in 1.7s 2022-07-05 02:59:49 (1.91 MB/s) - 'kselftest.tar.xz' saved [3500208/3500208] skiplist: ======================================== breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait ======================================== [ 48.039962] kselftest: Running tests in lkdtm TAP version 13 1..70 # selftests: lkdtm: PANIC.sh # Skipping PANIC: crashes entire system ok 1 selftests: lkdtm: PANIC.sh # SKIP # selftests: lkdtm: BUG.sh [ 48.280681] lkdtm: Performing direct entry BUG [ 48.285762] ------------[ cut here ]------------ [ 48.290965] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 48.296859] invalid opcode: 0000 [#1] SMP PTI [ 48.301729] CPU: 0 PID: 721 Comm: cat Not tainted 5.10.128-cip10 #1 [ 48.308726] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 48.315532] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 48.319905] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 [ 48.340885] RSP: 0018:ffff977481457e60 EFLAGS: 00010282 [ 48.346708] RAX: ffffffff8deb1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 48.354677] RDX: 0000000000000000 RSI: ffff928ffac1bf70 RDI: ffffffff8ead9a70 [ 48.362637] RBP: ffffffff8ef1b5a8 R08: 0000000000000001 R09: 0000000000000001 [ 48.370606] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 48.378566] R13: ffff977481457f10 R14: ffff977481457f10 R15: ffff928f82b0e000 [ 48.386526] FS: 00007f87504ee580(0000) GS:ffff928ffac00000(0000) knlGS:0000000000000000 [ 48.395561] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.401976] CR2: 00007f8750307000 CR3: 00000001034b8001 CR4: 00000000003706f0 [ 48.409945] Call Trace: [ 48.412672] direct_entry.cold+0x2c/0x38 [ 48.417055] full_proxy_write+0x56/0x80 [ 48.421343] vfs_write+0xea/0x390 [ 48.425041] ksys_write+0x68/0xe0 [ 48.428740] do_syscall_64+0x33/0x40 [ 48.432728] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.438366] RIP: 0033:0x7f8750416f33 [ 48.442354] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 48.463334] RSP: 002b:00007ffc4b8cb858 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.471788] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f8750416f33 [ 48.479746] RDX: 0000000000000004 RSI: 00007f8750307000 RDI: 0000000000000001 [ 48.487713] RBP: 00007f8750307000 R08: 00007f8750306010 R09: 0000000000000000 [ 48.495682] R10: 00007f87505111c0 R11: 0000000000000246 R12: 0000000000000001 [ 48.503650] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 48.511621] 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_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 48.538080] ---[ end trace 5d0f9ae5181b6128 ]--- [ 48.543313] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 48.547710] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 [ 48.568734] RSP: 0018:ffff977481457e60 EFLAGS: 00010282 [ 48.574590] RAX: ffffffff8deb1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 48.582588] RDX: 0000000000000000 RSI: ffff928ffac1bf70 RDI: ffffffff8ead9a70 [ 48.590576] RBP: ffffffff8ef1b5a8 R08: 0000000000000001 R09: 0000000000000001 [ 48.598574] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 48.606568] R13: ffff977481457f10 R14: ffff977481457f10 R15: ffff928f82b0e000 [ 48.614559] FS: 00007f87504ee580(0000) GS:ffff928ffac00000(0000) knlGS:0000000000000000 [ 48.623621] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.630086] CR2: 00007f8750307000 CR3: 00000001034b8001 CR4: 00000000003706f0 # Segmentation fault # [ 48.280681] lkdtm: Performing direct entry BUG # [ 48.285762] ------------[ cut here ]------------ # [ 48.290965] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 48.296859] invalid opcode: 0000 [#1] SMP PTI # [ 48.301729] CPU: 0 PID: 721 Comm: cat Not tainted 5.10.128-cip10 #1 # [ 48.308726] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.315532] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 48.319905] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 # [ 48.340885] RSP: 0018:ffff977481457e60 EFLAGS: 00010282 # [ 48.346[ 48.745779] lkdtm: Performing direct entry WARNING 708] RAX: ffffffff8deb1ae0 RBX: 0000000000000001 RCX: 0000000000[ 48.755101] ------------[ cut here ]------------ 000000 # [ 48.354677] RDX: 0000000000000000 RSI: ffff928ffac1[ 48.766464] WARNING: CPU: 1 PID: 757 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0xf/0x20 bf70 RDI: ffffffff8ead9a70 # [ 48.362637] RBP: ffffffff8ef1b5[ 48.782012] 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_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify a8 R08: 0000000000000001 R09: 0000000000000001 # [ 48.370606][ 48.814662] CPU: 1 PID: 757 Comm: cat Tainted: G D 5.10.128-cip10 #1 [ 48.829422] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000000000[ 48.836233] RIP: 0010:lkdtm_WARNING+0xf/0x20 [ 48.847208] Code: ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 01 75 01 c3 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 04 # [ 48.378566] R13: ffff977481457f10 R14: ffff977481457f10[ 48.868195] RSP: 0018:ffff9774814c7e60 EFLAGS: 00010202 [ 48.880241] RAX: ffffffff8deb1af0 RBX: 0000000000000002 RCX: 0000000000000000 R15: ffff928f82b0e000 # [ 48.386526] FS: 00007f87504ee580(0[ 48.888214] RDX: 0000000000000000 RSI: ffff928ffac9bf70 RDI: ffffffff8ead9a80 [ 48.902396] RBP: ffffffff8eec0177 R08: 0000000000000000 R09: 0000000000000000 [ 48.910369] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 [ 48.918341] R13: ffff9774814c7f10 R14: ffff9774814c7f10 R15: ffff928f838ad000 [ 48.926317] FS: 00007fe73c71e580(0000) GS:ffff928ffac80000(0000) knlGS:0000000000000000 000) GS:ffff928ffac00000(0000) knlGS:0000000000000000 # [ 48.[ 48.935357] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 395561] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ [ 48.948014] CR2: 00007fe73c537000 CR3: 0000000102a44001 CR4: 00000000003706e0 [ 48.962199] Call Trace: 48.401976] CR2: 00007f8750307000 CR3: 00000001034b8001 CR4: 000[ 48.964932] direct_entry.cold+0x2c/0x38 00000003706f0 # [ 48.409945] Call Trace: # [ 48.412672] d[ 48.975521] full_proxy_write+0x56/0x80 irect_entry.cold+0x2c/0x38 # [ 48.417055] full_proxy_write+0[ 48.986020] vfs_write+0xea/0x390 [ 48.995933] ksys_write+0x68/0xe0 x56/0x80 # [ 48.421343] vfs_write+0xea/0x390 # [ 48.42504[ 48.999636] do_syscall_64+0x33/0x40 1] ksys_write+0x68/0xe0 # [ 48.428740] do_syscall_64+0x33/0[ 49.009834] entry_SYSCALL_64_after_hwframe+0x44/0xa9 x40 # [ 48.432728] entry_SYSCALL_64_after_hwframe+0x44/0xa9[ 49.021693] RIP: 0033:0x7fe73c646f33 [ 49.031899] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 48.438366] RIP: 0033:0x7f8750416f33 # [ 48.442354] Cod[ 49.052909] RSP: 002b:00007ffcb681c3b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.067574] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007fe73c646f33 e: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0[ 49.075546] RDX: 0000000000000008 RSI: 00007fe73c537000 RDI: 0000000000000001 [ 49.089729] RBP: 00007fe73c537000 R08: 00007fe73c536010 R09: 0000000000000000 f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05[ 49.097702] R10: 00007fe73c7411c0 R11: 0000000000000246 R12: 0000000000000001 [ 49.111884] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 2[ 49.119860] irq event stamp: 0 [ 49.129483] hardirqs last enabled at (0): [<0000000000000000>] 0x0 4 18 # [ 48.463334] RSP: 002b:00007ffc4b8cb858 EFLAGS: 000002[ 49.136488] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 49.151835] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 46 ORIG_RAX: 0000000000000001 # [ 48.471788] RAX: fffffffffff[ 49.160976] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 49.174188] ---[ end trace 5d0f9ae5181b6129 ]--- fffda RBX: 0000000000000004 RCX: 00007f8750416f33 # [ 48.479746] RDX: 0000000000000004 RSI: 00007f8750307000 RDI: 0000000000000001 # [ 48.487713] RBP: 00007f8750307000 R08: 00007f8750306010 R09: 0000000000000000 # [ 48.495682] R10: 00007f87505111c0 R11: 0000000000000246 R12: 0000000000000001 # [ 48.503650] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.511621] 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_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 48.538080] ---[ end trace 5d0f9ae5181b6128 ]--- # [ 48.543313] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ [ 49.252909] lkdtm: Performing direct entry WARNING_MESSAGE [ 49.260063] ------------[ cut here ]------------ [ 49.265252] Warning message trigger count: 2 48.547710] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 e[ 49.270066] WARNING: CPU: 3 PID: 792 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 a ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc[ 49.286473] 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_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 49.319114] CPU: 3 PID: 792 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 49.327696] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 49.334529] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 0[ 49.340186] Code: 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 8b 05 11 1a 70 02 48 c7 c7 d8 06 ec 8e 8d 70 01 89 35 01 1a 70 02 e8 26 b9 61 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 c7 [ 49.367375] RSP: 0018:ffff97748148fe60 EFLAGS: 00010286 [ 49.373210] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 49.381182] RDX: ffff928ffadac660 RSI: ffff928ffad9bf70 RDI: ffff928ffad9bf70 [ 49.389154] RBP: ffffffff8eec017f R08: 0000000000000000 R09: 0000000000000000 [ 49.397127] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 [ 49.405099] R13: ffff97748148ff10 R14: ffff97748148ff10 R15: ffff928f84d47000 [ 49.413073] FS: 00007f95f4ba0580(0000) GS:ffff928ffad80000(0000) knlGS:0000000000000000 [ 49.422114] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.428533] CR2: 00007f95f49b9000 CR3: 0000000100b0e004 CR4: 00000000003706e0 [ 49.436506] Call Trace: [ 49.439237] direct_entry.cold+0x2c/0x38 [ 49.443651] full_proxy_write+0x56/0x80 [ 49.447965] vfs_write+0xea/0x390 [ 49.451667] ksys_write+0x68/0xe0 [ 49.455367] do_syscall_64+0x33/0x40 [ 49.459361] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.465017] RIP: 0033:0x7f95f4ac8f33 [ 49.469017] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 0 83 05 30 1a 70 02 # [ 48.568734] RSP: 0018:ffff977481457e60[ 49.490012] RSP: 002b:00007fffa5b2c6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.504683] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f95f4ac8f33 [ 49.512656] RDX: 0000000000000010 RSI: 00007f95f49b9000 RDI: 0000000000000001 [ 49.520628] RBP: 00007f95f49b9000 R08: 00007f95f49b8010 R09: 0000000000000000 [ 49.528601] R10: 00007f95f4bc31c0 R11: 0000000000000246 R12: 0000000000000001 [ 49.536574] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 49.544549] irq event stamp: 0 [ 49.547979] hardirqs last enabled at (0): [<0000000000000000>] 0x0 EFLAGS: 00010282 # [ 48.574590] RAX: ffffffff8deb1ae0 RBX: 0[ 49.554986] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 49.570339] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 000000000000001 RCX: 0000000000000000 # [ 48.582588] RDX: 000[ 49.579478] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 49.592692] ---[ end trace 5d0f9ae5181b612a ]--- 0000000000000 RSI: ffff928ffac1bf70 RDI: ffffffff8ead9a70 # [ 48.590576] RBP: ffffffff8ef1b5a8 R08: 0000000000000001 R09: 0000000000000001 # [ 48.598574] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 48.606568] R13: ffff977481457f10 R14: ffff977481457f10 R15: ffff928f82b0e000 # [ 48.614559] FS: 00007f87504ee580(0000) GS:ffff928ffac00000(0000) knlGS:0000000000000000 # [ 48.623621] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.630086] CR2: 00007f8750307000 CR3: 00000001034b8001 CR4: 00000000003706f0 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 48.745779] lkdtm: Performing direct entry WAR[ 49.665772] lkdtm: Performing direct entry EXCEPTION [ 49.671812] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 49.679592] #PF: supervisor write access in kernel mode [ 49.685423] #PF: error_code(0x0002) - not-present page [ 49.691158] PGD 0 P4D 0 [ 49.693973] Oops: 0002 [#2] SMP PTI [ 49.697855] CPU: 3 PID: 824 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 49.706406] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 49.713211] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 [ 49.718169] Code: 48 c7 c7 d8 06 ec 8e 8d 70 01 89 35 01 1a 70 02 e8 26 b9 61 00 0f 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 [ 49.739148] RSP: 0018:ffff977481597e60 EFLAGS: 00010282 [ 49.744981] RAX: ffffffff8deb1b40 RBX: 0000000000000004 RCX: 0000000000000000 [ 49.752948] RDX: 0000000000000000 RSI: ffff928ffad9bf70 RDI: ffffffff8ead9aa0 [ 49.760915] RBP: ffffffff8edf5d97 R08: 0000000000000000 R09: 0000000000000000 [ 49.768883] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 49.776851] R13: ffff977481597f10 R14: ffff977481597f10 R15: ffff928f859f9000 [ 49.784820] FS: 00007f14fab6c580(0000) GS:ffff928ffad80000(0000) knlGS:0000000000000000 [ 49.793848] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.800262] CR2: 0000000000000000 CR3: 000000010401a002 CR4: 00000000003706e0 [ 49.808230] Call Trace: [ 49.810959] direct_entry.cold+0x2c/0x38 [ 49.815338] full_proxy_write+0x56/0x80 [ 49.819618] vfs_write+0xea/0x390 [ 49.823306] ksys_write+0x68/0xe0 [ 49.827014] do_syscall_64+0x33/0x40 [ 49.831014] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.836653] RIP: 0033:0x7f14faa94f33 [ 49.840642] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 49.861625] RSP: 002b:00007ffc66e24b18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.870070] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f14faa94f33 [ 49.878039] RDX: 000000000000000a RSI: 00007f14fa985000 RDI: 0000000000000001 [ 49.886010] RBP: 00007f14fa985000 R08: 00007f14fa984010 R09: 0000000000000000 [ 49.893978] R10: 00007f14fab8f1c0 R11: 0000000000000246 R12: 0000000000000001 [ 49.901948] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 49.909920] 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_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify NING # [ 48.755101] ------------[ cut here ]------------ # [[ 49.936382] CR2: 0000000000000000 [ 49.946292] ---[ end trace 5d0f9ae5181b612b ]--- [ 49.951445] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 49.955821] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 [ 49.976805] RSP: 0018:ffff977481457e60 EFLAGS: 00010282 [ 49.982636] RAX: ffffffff8deb1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 49.990604] RDX: 0000000000000000 RSI: ffff928ffac1bf70 RDI: ffffffff8ead9a70 [ 49.998572] RBP: ffffffff8ef1b5a8 R08: 0000000000000001 R09: 0000000000000001 [ 50.006541] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 50.014511] R13: ffff977481457f10 R14: ffff977481457f10 R15: ffff928f82b0e000 [ 50.022480] FS: 00007f14fab6c580(0000) GS:ffff928ffad80000(0000) knlGS:0000000000000000 [ 50.031516] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.037929] CR2: 0000000000000000 CR3: 000000010401a002 CR4: 00000000003706e0 [ 50.045900] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 50.055811] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 824, name: cat [ 50.064169] INFO: lockdep is turned off. [ 50.068545] irq event stamp: 0 [ 50.071951] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 50.078952] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 50.088089] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 48.766464] WARNING: CPU: 1 PID: 757 at drivers/misc/lkdtm/bug[ 50.097228] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 50.110439] CPU: 3 PID: 824 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 50.119012] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 50.125816] Call Trace: [ 50.128543] dump_stack+0x77/0x97 [ 50.132241] ___might_sleep.cold+0xa6/0xb6 [ 50.136813] exit_signals+0x1c/0x2d0 [ 50.140792] do_exit+0xd5/0xb00 [ 50.144293] ? ksys_write+0x68/0xe0 [ 50.148185] rewind_stack_do_exit+0x17/0x20 [ 50.152853] RIP: 0033:0x7f14faa94f33 [ 50.156840] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 50.177824] RSP: 002b:00007ffc66e24b18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.186278] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f14faa94f33 [ 50.194247] RDX: 000000000000000a RSI: 00007f14fa985000 RDI: 0000000000000001 [ 50.202217] RBP: 00007f14fa985000 R08: 00007f14fa984010 R09: 0000000000000000 [ 50.210186] R10: 00007f14fab8f1c0 R11: 0000000000000246 R12: 0000000000000001 [ 50.218154] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 s.c:83 lkdtm_WARNING+0xf/0x20 # [ 48.782012] 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_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 48.814662] CPU: 1 PID: 757 Comm: cat Tainted: G D 5.10.128-cip10 #1 # [ 48.829422] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.836233] RIP: 0010:lkdtm_WARNING+0xf/0x20 # [ 48.847208] Code: ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 01 75 01 c3 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 # [ 48.868195] RSP: 0018:ffff9774814c7e60 EFLAGS: 00010202 # [ 48.880241] RAX: ffffffff8deb1af0 RBX: 0000000000000002 RCX: 0000000000000000 # [ 48.888214] RDX: 0000000000000000 RSI: ffff928ffac9bf70 RDI: ffffffff8ead9a80 # [ 48.902396] RBP: ffffffff8eec0177 R08: 0000000000000000 R09: 0000000000000000 # [ 48.910369] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ 48.918341] R13: ffff9774814c7f10 R14: ffff9774814c7f10 R15: ffff928f838ad000 # [ 48.926317] FS: 00007fe73c71e580(0000) GS:ffff928ffac80000(0000) knlGS:0000000000000000 # [ 48.935357] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.948014] CR2: 00007fe73c537000 CR3: 0000000102a44001 CR4: 00000000003706e0 # [ 48.962199] Call Trace: # [ 48.964932] direct_entry.cold+0x2c/0x38 # [ 48.975521] full_proxy_write+0x56/0x80 # [ 48.986020] vfs_write+0xea/0x390 # [ 48.995933] ksys_write+0x68/0xe0 # [ 48.999636] do_syscall_64+0x33/0x40 # [ 49.009834] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 49.021693] RIP: 0033:0x7fe73c646f33 # [ 49.031899] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 7[ 50.416000] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 50.425044] lkdtm: attempting good list addition [ 50.430203] lkdtm: attempting corrupted list addition [ 50.435880] lkdtm: list_add() corruption not detected! 7 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 49.052909] RSP: 002b:00007ffcb681c3b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.067574] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007fe73c646f33 # [ 49.075546] RDX: 0000000000000008 RSI: 00007fe73c537000 RDI: 0000000000000001 # [ 49.089729] RBP: 00007fe73c537000 R08: 00007fe73c536010 R09: 0000000000000000 # [ 49.097702] R10: 00007fe73c7411c0 R11: 0000000000000246 R12: 0000000000000001 # [ 49.111884] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.119860] irq event stamp: 0 # [ 49.129483] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.136488] hardirqs last disab[ 50.508719] lkdtm: Performing direct entry CORRUPT_LIST_DEL led at (0): [] copy_process+0x63c/0x1c80 # [ [ 50.516352] lkdtm: attempting good list removal 49.151835] softirqs last enabled at (0): [][ 50.527629] lkdtm: attempting corrupted list removal copy_process+0x63c/0x1c80 # [ 49.160976] softirqs last disab[ 50.539393] lkdtm: list_del() corruption not detected! led at (0): [<0000000000000000>] 0x0 # [ 49.174188] ---[ end trace 5d0f9ae5181b6129 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 49.252909] lkdtm: Performing direct entry WARNING_MESSAGE # [ 49.260063] ------------[ cut here ]------------ # [ 49.265252] Warning message trigger count: 2 # [ 49.270066] WARNING: CPU: 3 PID: 792 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 49.286473] 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_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 49.319114] CPU: 3 PID: 792 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 49.327696] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.334529] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 49.340186] Code: 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 8b 05 11 1a 70 02 48 c7 c7 d8 06 ec 8e 8d 70 01 89 35 01 1a 70 02 e8 26 b9 61 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 c7 # [ 49.367375] RSP: 0018:ffff97748148fe60 EFLAGS: 00010286 # [ 49.373210] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 49.381182] RDX: ffff928ffadac660 RSI: ffff928ffad9bf70 RDI: ffff928ffad9bf70 # [ 49.389154] RBP: ffffffff8eec017f R08: 0000000000000000 R09: 0000000000000000 # [ 49.397127] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 49.405099] R13: ffff97748148ff10 R14: ffff97748148ff10 R15: ffff928f8[ 50.709916] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING 4d47000 # [ 49.413073] FS: 00007f95f4ba0580(0000) GS:ffff928[ 50.719895] lkdtm: attempting bad read from page below current stack ffad80000(0000) knlGS:0000000000000000 # [ 49.422114] CS: 00[ 50.733206] BUG: stack guard page was hit at 00000000e1e50c8f (stack is 00000000338ade82..00000000c983ad86) [ 50.750305] kernel stack overflow (page fault): 0000 [#3] SMP PTI 10 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.428533] CR2[ 50.757111] CPU: 1 PID: 1049 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 50.771975] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 50.778774] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a : 00007f95f49b9000 CR3: 0000000100b0e004 CR4: 00000000003706e0 [ 50.785291] Code: 41 5c c3 0f 1f 44 00 00 53 48 c7 c7 78 0a ec 8e 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 31 a4 fd ff 48 c7 c7 b8 0a ec 8e <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 17 a4 fd ff 0f 1f 44 [ 50.812487] RSP: 0018:ffff9774818f7e50 EFLAGS: 00010246 [ 50.818321] RAX: 0000000000000038 RBX: ffff9774818f4000 RCX: 0000000000000000 [ 50.826290] RDX: 0000000000000000 RSI: ffff928ffac9bf70 RDI: ffffffff8eec0ab8 [ 50.834259] RBP: ffffffff8eec01e2 R08: 0000000000000000 R09: 0000000000000000 [ 50.842227] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 [ 50.850196] R13: ffff9774818f7f10 R14: ffff9774818f7f10 R15: ffff928f82744000 [ 50.858167] FS: 00007fb48815a580(0000) GS:ffff928ffac80000(0000) knlGS:0000000000000000 [ 50.867206] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.873621] CR2: ffff9774818f3fff CR3: 000000010470a002 CR4: 00000000003706e0 [ 50.881589] Call Trace: [ 50.884315] ? lkdtm_CORRUPT_LIST_DEL+0xdc/0xdc [ 50.889371] direct_entry.cold+0x2c/0x38 [ 50.893750] full_proxy_write+0x56/0x80 [ 50.898032] vfs_write+0xea/0x390 [ 50.901731] ksys_write+0x68/0xe0 [ 50.905419] do_syscall_64+0x33/0x40 [ 50.909407] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.915068] RIP: 0033:0x7fb488082f33 [ 50.919072] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 50.940065] RSP: 002b:00007ffd05eb3888 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.948521] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fb488082f33 [ 50.956490] RDX: 0000000000000019 RSI: 00007fb487f73000 RDI: 0000000000000001 [ 50.964462] RBP: 00007fb487f73000 R08: 00007fb487f72010 R09: 0000000000000000 [ 50.972430] R10: 00007fb48817d1c0 R11: 0000000000000246 R12: 0000000000000001 [ 50.980399] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.436506] Call Trace: # [ 49.439237] direct_entry.col[ 50.988371] 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_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 51.021015] ---[ end trace 5d0f9ae5181b612c ]--- [ 51.026172] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 51.030548] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 [ 51.051532] RSP: 0018:ffff977481457e60 EFLAGS: 00010282 [ 51.057365] RAX: ffffffff8deb1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 51.065334] RDX: 0000000000000000 RSI: ffff928ffac1bf70 RDI: ffffffff8ead9a70 [ 51.073304] RBP: ffffffff8ef1b5a8 R08: 0000000000000001 R09: 0000000000000001 [ 51.081275] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 51.089243] R13: ffff977481457f10 R14: ffff977481457f10 R15: ffff928f82b0e000 [ 51.097212] FS: 00007fb48815a580(0000) GS:ffff928ffac80000(0000) knlGS:0000000000000000 [ 51.106250] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.112665] CR2: ffff9774818f3fff CR3: 000000010470a002 CR4: 00000000003706e0 [ 51.120634] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 51.130546] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1049, name: cat [ 51.139012] INFO: lockdep is turned off. [ 51.143387] irq event stamp: 0 [ 51.146792] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 51.153792] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 51.162928] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 51.172070] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 51.179074] CPU: 1 PID: 1049 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 51.187722] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 51.194523] Call Trace: [ 51.197250] dump_stack+0x77/0x97 [ 51.200939] ___might_sleep.cold+0xa6/0xb6 [ 51.205510] exit_signals+0x1c/0x2d0 [ 51.209499] do_exit+0xd5/0xb00 [ 51.213022] ? ksys_write+0x68/0xe0 [ 51.216914] rewind_stack_do_exit+0x17/0x20 [ 51.221582] RIP: 0033:0x7fb488082f33 [ 51.225571] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 51.246553] RSP: 002b:00007ffd05eb3888 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.255012] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fb488082f33 [ 51.262982] RDX: 0000000000000019 RSI: 00007fb487f73000 RDI: 0000000000000001 [ 51.270974] RBP: 00007fb487f73000 R08: 00007fb487f72010 R09: 0000000000000000 [ 51.278943] R10: 00007fb48817d1c0 R11: 0000000000000246 R12: 0000000000000001 [ 51.286911] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 d+0x2c/0x38 # [ 49.443651] full_proxy_write+0x56/0x80 # [ 49.447965] vfs_write+0xea/0x390 # [ 49.451667] ksys_write+0x68/0xe0 # [ 49.455367] do_syscall_64+0x33/0x40 # [ 49.459361] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 49.465017] RIP: 0033:0x7f95f4ac8f33 # [ 49.469017] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 49.490012] RSP: 002b:00007fffa5b2c6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.504683] RAX: ffffffffffffffda RBX: 0000[ 51.356882] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING 000000000010 RCX: 00007f95f4ac8f33 # [ 49.512656] RDX: 000000[ 51.364147] lkdtm: attempting bad read from page above current stack 0000000010 RSI: 00007f95f49b9000 RDI: 0000000000000001 # [ 49[ 51.377494] BUG: stack guard page was hit at 000000009ee7bf67 (stack is 000000000b15fb4f..00000000605f357e) [ 51.394545] kernel stack overflow (page fault): 0000 [#4] SMP PTI [ 51.401349] CPU: 0 PID: 1082 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 51.409997] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 51.416805] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d [ 51.423419] Code: a4 fd ff 0f 1f 44 00 00 53 48 c7 c7 f0 0a ec 8e 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 f7 a3 fd ff 48 c7 c7 30 0b ec 8e <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 da a3 fd ff [ 51.444400] RSP: 0018:ffff97748197fe50 EFLAGS: 00010246 [ 51.450233] RAX: 0000000000000038 RBX: ffff97748197c000 RCX: 0000000000000000 [ 51.458202] RDX: 0000000000000000 RSI: ffff928ffac1bf70 RDI: ffffffff8eec0b30 [ 51.466171] RBP: ffffffff8eec01fb R08: 0000000000000000 R09: 0000000000000000 [ 51.474140] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a [ 51.482108] R13: ffff97748197ff10 R14: ffff97748197ff10 R15: ffff928f839df000 [ 51.490076] FS: 00007f0bc9b82580(0000) GS:ffff928ffac00000(0000) knlGS:0000000000000000 [ 51.499113] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.505527] CR2: ffff977481980000 CR3: 0000000103904003 CR4: 00000000003706f0 [ 51.513496] Call Trace: [ 51.516222] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a [ 51.522057] direct_entry.cold+0x2c/0x38 [ 51.526433] full_proxy_write+0x56/0x80 [ 51.530720] vfs_write+0xea/0x390 [ 51.534416] ksys_write+0x68/0xe0 [ 51.538113] do_syscall_64+0x33/0x40 [ 51.542102] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.547742] RIP: 0033:0x7f0bc9aaaf33 [ 51.551730] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 51.572709] RSP: 002b:00007ffd815f2638 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.581164] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f0bc9aaaf33 [ 51.589132] RDX: 000000000000001a RSI: 00007f0bc999b000 RDI: 0000000000000001 [ 51.597100] RBP: 00007f0bc999b000 R08: 00007f0bc999a010 R09: 0000000000000000 [ 51.605068] R10: 00007f0bc9ba51c0 R11: 0000000000000246 R12: 0000000000000001 [ 51.613036] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 51.621007] 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_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 51.647444] ---[ end trace 5d0f9ae5181b612d ]--- [ 51.652597] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 51.656972] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 [ 51.677951] RSP: 0018:ffff977481457e60 EFLAGS: 00010282 [ 51.683783] RAX: ffffffff8deb1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 51.691750] RDX: 0000000000000000 RSI: ffff928ffac1bf70 RDI: ffffffff8ead9a70 [ 51.699719] RBP: ffffffff8ef1b5a8 R08: 0000000000000001 R09: 0000000000000001 [ 51.707687] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 51.715655] R13: ffff977481457f10 R14: ffff977481457f10 R15: ffff928f82b0e000 [ 51.723623] FS: 00007f0bc9b82580(0000) GS:ffff928ffac00000(0000) knlGS:0000000000000000 [ 51.732657] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.739071] CR2: ffff977481980000 CR3: 0000000103904003 CR4: 00000000003706f0 .520628] RBP: 00007f95f49b9000 R08: 00007f95f49b8010 R09: 0000000000000000 # [ 49.528601] R10: 00007f95f4bc31c0 R11: 0000000000000246 R12: 0000000000000001 # [ 49.536574] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.544549] irq event stamp: 0 # [ 49.547979] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.554986] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 49.570339] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 49.579478] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.592692] ---[ end trace 5d0f9ae5181b612a ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 49.665772] lkdtm: Performing direct entry EXCEPTION # [ 49.671812] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 49.679592] #PF: supervisor write access in kernel mode # [ 49.685423] #PF: error_code(0x0002) - not-present page # [ 49.691158[ 51.851963] lkdtm: Performing direct entry UNSET_SMEP ] PGD 0 P4D 0 # [ 49.693973] Oops: 0002 [#2] SMP PTI # [ [ 51.858347] lkdtm: trying to clear SMEP normally 49.697855] CPU: 3 PID: 824 Comm: cat Tainted: G D W [ 51.869716] ------------[ cut here ]------------ 5.10.128-cip10 #1 # [ 49.706406] Hardware name: Google Rammu[ 51.881091] pinned CR4 bits changed: 0x100000!? s/Rammus, BIOS 09/04/2020 # [ 49.713211] RIP: 0010:lkdtm_EXC[ 51.892370] WARNING: CPU: 1 PID: 1118 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x41/0x60 EPTION+0x5/0x20 # [ 49.718169] Code: 48 c7 c7 d8 06 ec 8e 8d [ 51.908788] 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_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 70 01 89 35 01 1a 70 02 e8 26 b9 61 00 0f 0b c3 66 66 2e 0f 1f 8[ 51.941433] CPU: 1 PID: 1118 Comm: cat Tainted: G D W 5.10.128-cip10 #1 4 00 00 00 00 00 66 90 0f 1f 44 00 00 04 25 00 00 00 00 00 [ 51.956299] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 00 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 # [ 49.739148] RSP:[ 51.969324] RIP: 0010:native_write_cr4+0x41/0x60 0018:ffff977481597e60 EFLAGS: 00010282 # [ 49.744981] RAX: f[ 51.980697] Code: 08 31 00 48 39 c2 75 25 48 85 f6 75 01 c3 80 3d dc d8 c3 01 00 75 f6 48 c7 c7 f8 fc df 8e c6 05 cc d8 c3 01 01 e8 85 d7 e0 00 <0f> 0b c3 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 c7 eb ac 66 fffffff8deb1b40 RBX: 0000000000000004 RCX: 0000000000000000 # [[ 52.007898] RSP: 0018:ffff977481a47e48 EFLAGS: 00010286 49.752948] RDX: 0000000000000000 RSI: ffff928ffad9bf70 RDI: f[ 52.019948] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 fffffff8ead9aa0 # [ 49.760915] RBP: ffffffff8edf5d97 R08: 000[ 52.034137] RDX: ffff928ffacac660 RSI: ffff928ffac9bf70 RDI: ffff928ffac9bf70 0000000000000 R09: 0000000000000000 # [ 49.768883] R10: 00000[ 52.048326] RBP: ffffffff8eec0215 R08: 0000000000000000 R09: 0000000000000000 000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 4[ 52.062514] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b 9.776851] R13: ffff977481597f10 R14: ffff977481597f10 R15: ffff9[ 52.076705] R13: ffff977481a47f10 R14: ffff977481a47f10 R15: ffff928f858ba000 28f859f9000 # [ 49.784820] FS: 00007f14fab6c580(0000) GS:fff[ 52.090897] FS: 00007fcd2d2d1580(0000) GS:ffff928ffac80000(0000) knlGS:0000000000000000 f928ffad80000(0000) knlGS:0000000000000000 # [ 49.793848] CS:[ 52.106152] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.800262][ 52.118789] CR2: 00007fcd2d0ea000 CR3: 000000010384a001 CR4: 00000000003706e0 CR2: 0000000000000000 CR3: 000000010401a002 CR4: 00000000003706[ 52.133005] Call Trace: e0 # [ 49.808230] Call Trace: # [ 49.810959] direct_entry[ 52.141950] lkdtm_UNSET_SMEP.cold+0x1d/0x103 .cold+0x2c/0x38 # [ 49.815338] full_proxy_write+0x56/0x80 #[ 52.153019] direct_entry.cold+0x2c/0x38 [ 49.819618] vfs_write+0xea/0x390 # [ 49.823306] ksys_wr[ 52.163613] full_proxy_write+0x56/0x80 ite+0x68/0xe0 # [ 49.827014] do_syscall_64+0x33/0x40 # [ [ 52.174111] vfs_write+0xea/0x390 49.831014] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 49.8[ 52.184027] ksys_write+0x68/0xe0 36653] RIP: 0033:0x7f14faa94f33 # [ 49.840642] Code: 8b 15 61[ 52.193944] do_syscall_64+0x33/0x40 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 [ 52.204151] entry_SYSCALL_64_after_hwframe+0x44/0xa9 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00[ 52.216024] RIP: 0033:0x7fcd2d1f9f33 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ [ 52.226222] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 49.861625] RSP: 002b:00007ffc66e24b18 EFLAGS: 00000246 ORIG_RAX[ 52.253425] RSP: 002b:00007ffc91cb2b68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 : 0000000000000001 # [ 49.870070] RAX: ffffffffffffffda RBX: [ 52.268102] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fcd2d1f9f33 000000000000000a RCX: 00007f14faa94f33 # [ 49.878039] RDX: 00[ 52.282295] RDX: 000000000000000b RSI: 00007fcd2d0ea000 RDI: 0000000000000001 0000000000000a RSI: 00007f14fa985000 RDI: 0000000000000001 # [ [ 52.296484] RBP: 00007fcd2d0ea000 R08: 00007fcd2d0e9010 R09: 0000000000000000 49.886010] RBP: 00007f14fa985000 R08: 00007f14fa984010 R09: 00[ 52.310673] R10: 00007fcd2d2f41c0 R11: 0000000000000246 R12: 0000000000000001 00000000000000 # [ 49.893978] R10: 00007f14fab8f1c0 R11: 0000[ 52.324861] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000000000246 R12: 0000000000000001 # [ 49.901948] R13: 000000[ 52.339070] irq event stamp: 0 0000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49[ 52.348694] hardirqs last enabled at (0): [<0000000000000000>] 0x0 .909920] Modules linked in: fuse ip_tables cros_ec_sensors cros_[ 52.361917] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 ec_sensors_core industrialio_triggered_buffer kfifo_buf industri[ 52.377270] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 alio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sens[ 52.392622] softirqs last disabled at (0): [<0000000000000000>] 0x0 orhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbp[ 52.405840] ---[ end trace 5d0f9ae5181b612e ]--- d_notify # [ 49.936382] CR2: 0000000000000000 # [ 49.94629[ 52.417214] lkdtm: ok: SMEP did not get cleared 2] ---[ end trace 5d0f9ae5181b612b ]--- # [ 49.951445] RIP: 0[ 52.428492] lkdtm: trying to clear SMEP with call gadget 010:lkdtm_BUG+0x5/0x10 # [ 49.955821] Code: 5b a5 ff 48 c7 c0[ 52.440640] lkdtm: ok: SMEP removal was reverted ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 # [ 49.976805] RSP: 0018:ffff977481457e60 EFLAGS: 00010282 # [ 49.982636] RAX: ffffffff8deb1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 49.990604] RDX: 0000000000000000 RSI: ffff928ffac1bf70 RDI: ffffffff8ead9a70 # [ 49.998572] RBP: ffffffff8ef1b5a8 R08: 0000000000000001 R09: 0000000000000001 # [ 50.006541] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 52.507078] lkdtm: Performing direct entry DOUBLE_FAULT # [ 50.014511] R13: ffff977481457f10 R14: ffff977481457f10 R15[ 52.513789] lkdtm: XFAIL: this test is ia32-only : ffff928f82b0e000 # [ 50.022480] FS: 00007f14fab6c580(0000) GS:ffff928ffad80000(0000) knlGS:0000000000000000 # [ 50.031516] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.037929] CR2: 0000000000000000 CR3: 000000010401a002 CR4: 00000000003706e0 # [ 50.045900] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 50.055811] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 824, name: cat # [ 50.064169] INFO: lockdep is turned off. # [ 50.068545] irq event stamp: 0 # [ 50.071951] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 50.078952] hardir[ 52.581172] lkdtm: Performing direct entry CORRUPT_PAC [ 52.593066] lkdtm: XFAIL: this test is arm64-only qs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 50.088089] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 50.097228] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 50.110439] CPU: 3 PID: 824 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 50.119012] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.125816] Call Trace: # [ 50.128543] dump_stack+0x77/0x97 # [ 50.132241] ___might_sleep.cold+0xa6/0xb6 # [ 50.136813] exit_signals+0x1c/0x2d0 # [ 50.140792] do_exit+0xd5/0xb00 # [ 50.144293] ? ksys_write+0x68[ 52.654997] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE /0xe0 # [ 50.148185] rewind_stack_do_exit+0x17/0x20 # [ 5[ 52.667704] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS 0.152853] RIP: 0033:0x7f14faa94f33 # [ 50.156840] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 50.177824] RSP: 002b:00007ffc66e24b18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.186278] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f14faa94f33 # [ 50.194247] RDX: 000000000000000a RSI: 00007f14fa985000 RDI: 0000000000000001 # [ 50.202217] RBP: 00007f14fa985000 R08: 00007f14fa984010 R09: 0000000000000000 # [ 50.210186] R10: 00007f14fab8f1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 50.218154] 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 # selftes[ 52.785519] lkdtm: Performing direct entry READ_AFTER_FREE ts: lkdtm: CORRUPT_STACK.sh # Skipping CORRUPT_STACK: Crashes e[ 52.793301] lkdtm: Value in memory before free: 12345678 ntire system on success ok 8 selftests: lkdtm: CORRUPT_STACK.sh[ 52.805455] lkdtm: Attempting bad read from freed memory # SKIP # selftests: lkdtm: CORRUPT_STACK_STRONG.sh # Skipping[ 52.817601] lkdtm: Memory was not poisoned CORRUPT_STACK_STRONG: Crashes entire system on success ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP # selftests: lkdtm: CORRUPT_LIST_ADD.sh # [ 50.416000] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 50.425044] lkdtm: attempting good list addition # [ 50.430203] lkdtm: attempting corrupted list addition # [ 50.435880] 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 # [ 50.508719] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 50.516352] lkdtm: attempting good list removal # [ 50.527629] lkdtm: attempting corrupted list removal # [ 50.539393] lkdtm: list_del() corruption not detected! # CORRUPT_LIST_DEL: missing 'list_del c[ 52.907023] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE [ 52.915884] lkdtm: Value in memory before free: 12345678 [ 52.921840] lkdtm: Attempting to read from freed memory [ 52.927678] lkdtm: Buddy page was not poisoned orruption': [FAIL] not ok 11 selftests: lkdtm: CORRUPT_LIST_DEL.sh # exit=1 # selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # Segmentation fault # [ 50.709916] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 50.719895] lkdtm: attempting bad read from page below current stack # [ 50.733206] BUG: stack guard page was hit at 00000000e1e50c8f (stack is 00000000338ade82..00000000c983ad86) # [ 50.750305] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 50.757111] CPU: 1 PID: 1049 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 50.771975] Hardware name: Google Rammus/Rammus, BIOS 09/04[ 52.990644] lkdtm: Performing direct entry SLAB_FREE_DOUBLE /2020 # [ 50.778774] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING[ 53.001081] lkdtm: Attempting double slab free ... +0x27/0x3a # [ 50.785291] Code: 41 5c c3 0f 1f 44 00 00 53 48 c7 c7 78 0a ec 8e 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 31 a4 fd ff 48 c7 c7 b8 0a ec 8e <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 17 a4 fd ff 0f 1f 44 # [ 50.812487] RSP: 0018:ffff9774818f7e50 EFLAGS: 00010246 # [ 50.818321] RAX: 0000000000000038 RBX: ffff9774818f4000 RCX: 0000000000000000 # [ 50.826290] RDX: 0000000000000000 RSI: ffff928ffac9bf70 RDI: ffffffff8eec0ab8 # [ 50.834259] RBP: ffffffff8eec01e2 R08: 0000000000000000 R09: 0000000000000000 # [ 50.842227] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 50.850196] R13: ffff9774818f7f10 R14: ffff9774818f7f10 R15: ffff928f82744000 # [ 50.858167] FS: 00007fb48815a580(0000) GS:ffff928ffac80000(0000) knlGS:0000000000000000 # [ 50.867206] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.873621] CR2:[ 53.099406] lkdtm: Performing direct entry SLAB_FREE_CROSS ffff9774818f3fff CR3: 000000010470a002 CR4: 00000000003706e0 #[ 53.105845] lkdtm: Attempting cross-cache slab free ... [ 50.881589] Call Trace: # [ 50.884315] ? lkdtm_CORRUPT_LIST_DEL+0xdc/0xdc # [ 50.889371] direct_entry.cold+0x2c/0x38 # [ 50.893750] full_proxy_write+0x56/0x80 # [ 50.898032] vfs_write+0xea/0x390 # [ 50.901731] ksys_write+0x68/0xe0 # [ 50.905419] do_syscall_64+0x33/0x40 # [ 50.909407] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 50.915068] RIP: 0033:0x7fb488082f33 # [ 50.919072] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55[ 53.173363] lkdtm: Performing direct entry SLAB_FREE_PAGE c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 50.940065] RSP[ 53.179868] lkdtm: Attempting non-Slab slab free ... : 002b:00007ffd05eb3888 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.948521] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fb488082f33 # [ 50.956490] RDX: 0000000000000019 RSI: 00007fb487f73000 RDI: 0000000000000001 # [ 50.964462] RBP: 00007fb487f73000 R08: 00007fb487f72010 R09: 0000000000000000 # [ 50.972430] R10: 00007fb48817d1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 50.980399] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 50.988371] 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_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 51.021015] ---[ end trace 5d0f9ae5181b612c ]--- # [ 51.026172] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 51.030548] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 # [ 51.051532] RSP: 0018:ffff977481457e60 EFLAGS: 00010282 # [ 51.057365] RAX: ffffffff8deb1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 51.065334] RDX: 0000000000000000 RSI: ffff928ffac1bf70 RDI: ffffffff8ead9a70 # [ 51.073304] RBP: ffffffff8ef1b5a8 R08: 0000000000000001 R09: 0000000000000001 # [ 51.081275] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 51.089243] R13: ffff977481457f10 R14: ffff977481457f10 R15: ffff928f82b0e000 # [ 51.097212] FS: 00007fb48815a[ 53.346752] lkdtm: Performing direct entry EXEC_DATA 580(0000) GS:ffff928ffac80000(0000) knlGS:0000000000000000 # [ [ 53.352533] lkdtm: attempting ok execution at ffffffff8deb1eb0 51.106250] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.365260] lkdtm: attempting bad execution at ffffffff905b3560 # [ 51.112665] CR2: ffff9774818f3fff CR3: 000000010470a002 CR4[ 53.378111] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 53.392662] BUG: unable to handle page fault for address: ffffffff905b3560 [ 53.400341] #PF: supervisor instruction fetch in kernel mode [ 53.406660] #PF: error_code(0x0011) - permissions violation [ 53.412881] PGD 13429067 P4D 13429067 PUD 1342a063 PMD 80000000148000e3 [ 53.420369] Oops: 0011 [#5] SMP PTI [ 53.424259] CPU: 1 PID: 1625 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 53.432910] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 53.439718] RIP: 0010:data_area+0x0/0x40 [ 53.444096] Code: ff ff 00 52 87 82 8f 92 ff ff 00 51 87 82 8f 92 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 [ 53.465079] RSP: 0018:ffff977482217e48 EFLAGS: 00010246 [ 53.470912] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 53.478881] RDX: 0000000000000000 RSI: ffff928ffac9bf70 RDI: ffff928ffac9bf70 [ 53.486851] RBP: ffffffff905b3560 R08: 0000000000000000 R09: 0000000000000000 [ 53.494816] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 53.502783] R13: ffff977482217f10 R14: ffff977482217f10 R15: ffff928f86473000 [ 53.510753] FS: 00007f0cae58d580(0000) GS:ffff928ffac80000(0000) knlGS:0000000000000000 [ 53.519782] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.526197] CR2: ffffffff905b3560 CR3: 000000010655a001 CR4: 00000000003706e0 [ 53.534166] Call Trace: [ 53.536895] ? execute_location+0x48/0x56 : 00000000003706e0 # [ 51.120634] BUG: sleeping function call[ 53.541371] ? direct_entry.cold+0x2c/0x38 [ 53.552155] ? full_proxy_write+0x56/0x80 [ 53.556633] ? vfs_write+0xea/0x390 [ 53.560517] ? ksys_write+0x68/0xe0 [ 53.564400] ? do_syscall_64+0x33/0x40 [ 53.568585] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 ed from invalid context at include/linux/percpu-rwsem.h:49 # [ [ 53.574412] 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_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 53.607060] CR2: ffffffff905b3560 [ 53.610749] ---[ end trace 5d0f9ae5181b612f ]--- [ 53.615904] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 53.620272] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 [ 53.641257] RSP: 0018:ffff977481457e60 EFLAGS: 00010282 [ 53.647092] RAX: ffffffff8deb1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 53.655067] RDX: 0000000000000000 RSI: ffff928ffac1bf70 RDI: ffffffff8ead9a70 [ 53.663037] RBP: ffffffff8ef1b5a8 R08: 0000000000000001 R09: 0000000000000001 [ 53.671027] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 53.679009] R13: ffff977481457f10 R14: ffff977481457f10 R15: ffff928f82b0e000 [ 53.686979] FS: 00007f0cae58d580(0000) GS:ffff928ffac80000(0000) knlGS:0000000000000000 [ 53.696015] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.702431] CR2: ffffffff905b3560 CR3: 000000010655a001 CR4: 00000000003706e0 [ 53.710403] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 53.720315] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1625, name: cat [ 53.728770] INFO: lockdep is turned off. [ 53.733145] irq event stamp: 0 [ 53.736550] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 53.743551] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 53.752687] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 53.761822] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 53.768821] CPU: 1 PID: 1625 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 53.777471] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 53.784275] Call Trace: [ 53.787016] dump_stack+0x77/0x97 51.130546] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, p[ 53.790717] ___might_sleep.cold+0xa6/0xb6 [ 53.801500] exit_signals+0x1c/0x2d0 [ 53.805488] do_exit+0xd5/0xb00 [ 53.809009] ? ksys_write+0x68/0xe0 [ 53.812905] rewind_stack_do_exit+0x17/0x20 [ 53.817573] RIP: 0033:0x7f0cae4b5f33 [ 53.821562] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 53.842538] RSP: 002b:00007fff7c403098 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 53.851010] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f0cae4b5f33 [ 53.858980] RDX: 000000000000000a RSI: 00007f0cae3a6000 RDI: 0000000000000001 [ 53.866950] RBP: 00007f0cae3a6000 R08: 00007f0cae3a5010 R09: 0000000000000000 [ 53.874919] R10: 00007f0cae5b01c0 R11: 0000000000000246 R12: 0000000000000001 [ 53.882888] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 id: 1049, name: cat # [ 51.139012] INFO: lockdep is turned off. # [ 51.143387] irq event stamp: 0 # [ 51.146792] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 51.153792] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 51.162928] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 51.172070] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 51.179074] CPU: 1 PID: 1049 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 51.187722] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.194523] Call Trace: # [ 51.197250] dump_stack+0x77/0x97 # [ 51.200939] ___might_sleep.cold+0xa6/0xb6 # [ 51.205510] exit_signals+0x1c/0x2d0 # [ 51.209499] do_exit+0xd5/0xb00 # [ 51.213022] ? ksys_write+0x68/0xe0 # [ 51.216914] rewind_stack_do_exit+0x17/0x[ 53.975882] lkdtm: Performing direct entry EXEC_STACK [ 53.983510] lkdtm: attempting ok execution at ffffffff8deb1eb0 [ 53.990034] lkdtm: attempting bad execution at ffff9774822b7e18 [ 53.996652] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 54.005015] BUG: unable to handle page fault for address: ffff9774822b7e18 [ 54.012695] #PF: supervisor instruction fetch in kernel mode [ 54.019014] #PF: error_code(0x0011) - permissions violation [ 54.025235] PGD 100000067 P4D 100000067 PUD 100210067 PMD 10355f067 PTE 80000001029cb063 20 # [ 51.221582] RIP: 0033:0x7fb488082f33 # [ 51.225571] [ 54.034280] Oops: 0011 [#6] SMP PTI [ 54.044386] CPU: 3 PID: 1661 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 54.053035] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.059842] RIP: 0010:0xffff9774822b7e18 [ 54.064217] Code: 00 00 18 7e 2b 82 74 97 ff ff ad 8d 4f 8e ff ff ff ff 20 00 00 00 00 00 00 00 3e 03 ec 8e ff ff ff ff d9 8e 4f 8e ff ff ff ff <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 [ 54.085201] RSP: 0018:ffff9774822b7df8 EFLAGS: 00010246 [ 54.091035] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.099012] RDX: 0000000000000000 RSI: ffff928ffad9bf70 RDI: ffff928ffad9bf70 [ 54.106981] RBP: ffff9774822b7e18 R08: 0000000000000000 R09: 0000000000000000 [ 54.114950] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 54.122918] R13: ffff9774822b7f10 R14: ffff9774822b7f10 R15: ffff928f83515000 [ 54.130888] FS: 00007f39032db580(0000) GS:ffff928ffad80000(0000) knlGS:0000000000000000 [ 54.139926] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.146341] CR2: ffff9774822b7e18 CR3: 000000010444c001 CR4: 00000000003706e0 [ 54.154311] Call Trace: [ 54.157040] ? execute_location+0x48/0x56 [ 54.161514] ? lkdtm_EXEC_STACK+0x26/0x40 [ 54.166012] ? direct_entry.cold+0x2c/0x38 [ 54.170585] ? full_proxy_write+0x56/0x80 [ 54.175063] ? vfs_write+0xea/0x390 [ 54.178954] ? ksys_write+0x68/0xe0 [ 54.182842] ? do_syscall_64+0x33/0x40 [ 54.187026] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.192859] 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_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b[ 54.219316] CR2: ffff9774822b7e18 [ 54.229227] ---[ end trace 5d0f9ae5181b6130 ]--- [ 54.234382] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 54.238758] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 [ 54.259741] RSP: 0018:ffff977481457e60 EFLAGS: 00010282 [ 54.265574] RAX: ffffffff8deb1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.273544] RDX: 0000000000000000 RSI: ffff928ffac1bf70 RDI: ffffffff8ead9a70 [ 54.281513] RBP: ffffffff8ef1b5a8 R08: 0000000000000001 R09: 0000000000000001 [ 54.289482] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 54.297452] R13: ffff977481457f10 R14: ffff977481457f10 R15: ffff928f82b0e000 [ 54.305420] FS: 00007f39032db580(0000) GS:ffff928ffad80000(0000) knlGS:0000000000000000 [ 54.314459] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.320873] CR2: ffff9774822b7e18 CR3: 000000010444c001 CR4: 00000000003706e0 7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 51.246553] RSP: 002b:00007ffd05eb3888 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.255012] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fb488082f33 # [ 51.262982] RDX: 0000000000000019 RSI: 00007fb487f73000 RDI: 0000000000000001 # [ 51.270974] RBP: 00007fb487f73000 R08: 00007fb487f72010 R09: 0000000000000000 # [ 51.278943] R10: 00007fb48817d1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 51.286911] 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[ 54.398666] lkdtm: Performing direct entry EXEC_KMALLOC : STACK_GUARD_PAGE_TRAILING.sh # Segmentation fault # [ 51.3[ 54.409349] lkdtm: attempting ok execution at ffffffff8deb1eb0 56882] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING[ 54.422058] lkdtm: attempting bad execution at ffff928f83236a80 # [ 51.364147] lkdtm: attempting bad read from page above cur[ 54.434878] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 54.449448] BUG: unable to handle page fault for address: ffff928f83236a80 [ 54.457128] #PF: supervisor instruction fetch in kernel mode [ 54.463438] #PF: error_code(0x0011) - permissions violation [ 54.469660] PGD 14a01067 P4D 14a01067 PUD 10084b063 PMD 10324c063 PTE 8000000103236163 rent stack # [ 51.377494] BUG: stack guard page was hit at 00[ 54.478511] Oops: 0011 [#7] SMP PTI [ 54.488615] CPU: 1 PID: 1697 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 54.497265] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.504071] RIP: 0010:0xffff928f83236a80 [ 54.508449] Code: ff ff fc 64 b6 6b 0b 67 44 2d ba a5 c2 21 1a e8 35 55 00 10 00 00 00 00 00 00 40 44 1e 04 bf cc ff ff 00 10 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 [ 54.529432] RSP: 0018:ffff977482347e38 EFLAGS: 00010246 [ 54.535267] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.543237] RDX: 0000000000000000 RSI: ffff928ffac9bf70 RDI: ffff928ffac9bf70 [ 54.551206] RBP: ffff928f83236a80 R08: 0000000000000000 R09: 0000000000000000 [ 54.559176] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 54.567144] R13: ffff977482347f10 R14: ffff977482347f10 R15: ffff928f858e8000 [ 54.575113] FS: 00007ff1a813e580(0000) GS:ffff928ffac80000(0000) knlGS:0000000000000000 [ 54.584150] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.590565] CR2: ffff928f83236a80 CR3: 00000001058a8006 CR4: 00000000003706e0 [ 54.598534] Call Trace: [ 54.601262] ? execute_location+0x48/0x56 0000009ee7bf67 (stack is 000000000b15fb4f..00000000605f357e) # [ 54.605740] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 [ 54.616620] ? direct_entry.cold+0x2c/0x38 [ 54.621193] ? full_proxy_write+0x56/0x80 [ 54.625669] ? vfs_write+0xea/0x390 [ 54.629561] ? ksys_write+0x68/0xe0 [ 54.633444] ? do_syscall_64+0x33/0x40 [ 54.637626] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.394545] kernel stack overflow (page fault): 0000 [#4] SMP[ 54.643460] 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_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 54.676103] CR2: ffff928f83236a80 [ 54.679792] ---[ end trace 5d0f9ae5181b6131 ]--- [ 54.684947] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 54.689313] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 [ 54.710297] RSP: 0018:ffff977481457e60 EFLAGS: 00010282 [ 54.716130] RAX: ffffffff8deb1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.724099] RDX: 0000000000000000 RSI: ffff928ffac1bf70 RDI: ffffffff8ead9a70 [ 54.732070] RBP: ffffffff8ef1b5a8 R08: 0000000000000001 R09: 0000000000000001 [ 54.740038] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 54.748009] R13: ffff977481457f10 R14: ffff977481457f10 R15: ffff928f82b0e000 [ 54.755981] FS: 00007ff1a813e580(0000) GS:ffff928ffac80000(0000) knlGS:0000000000000000 [ 54.765019] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.771434] CR2: ffff928f83236a80 CR3: 00000001058a8006 CR4: 00000000003706e0 [ 54.779405] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 54.789318] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1697, name: cat [ 54.797774] INFO: lockdep is turned off. [ 54.802150] irq event stamp: 0 [ 54.805554] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 54.812555] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 54.821691] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 54.830825] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 54.837824] CPU: 1 PID: 1697 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 54.846473] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.853276] Call Trace: [ 54.856015] dump_stack+0x77/0x97 PTI # [ 51.401349] CPU: 0 PID: 1082 Comm: cat Tainted: G [ 54.859713] ___might_sleep.cold+0xa6/0xb6 [ 54.870499] exit_signals+0x1c/0x2d0 [ 54.874480] do_exit+0xd5/0xb00 [ 54.877982] ? ksys_write+0x68/0xe0 [ 54.881899] rewind_stack_do_exit+0x17/0x20 [ 54.886566] RIP: 0033:0x7ff1a8066f33 [ 54.890553] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 54.911537] RSP: 002b:00007ffdd7ef6ed8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 54.920010] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007ff1a8066f33 [ 54.927979] RDX: 000000000000000d RSI: 00007ff1a7f57000 RDI: 0000000000000001 [ 54.935948] RBP: 00007ff1a7f57000 R08: 00007ff1a7f56010 R09: 0000000000000000 [ 54.943918] R10: 00007ff1a81611c0 R11: 0000000000000246 R12: 0000000000000001 [ 54.951887] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 D W 5.10.128-cip10 #1 # [ 51.409997] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.416805] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 51.423419] Code: a4 fd ff 0f 1f 44 00 00 53 48 c7 c7 f0 0a ec 8e 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 f7 a3 fd ff 48 c7 c7 30 0b ec 8e <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 da a3 fd ff # [ 51.444400] RSP: 0018:ffff97748197fe50 EFLAGS: 00010246 # [ 51.450233] RAX: 0000000000000038 RBX: ffff97748197c000 RCX: 0000000000000000 # [ 51.458202] RDX: 0000000000000000 RSI: ffff928ffac1bf70 RDI: ffffffff8eec0b30 # [ 51.466171] RBP: ffffffff8eec01fb R08: 0000000000000000 R09: 0000000000000000 # [ 51.474140] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 51.482108] R13: ffff97748197ff10 R14: ffff97748197ff10 R15: ffff928f839df000 # [ 51.490076] FS: 00007f0bc9b82580(0000) GS:ffff928ffac00000(0000) knlGS:00000000[ 55.048302] lkdtm: Performing direct entry EXEC_VMALLOC 00000000 # [ 51.499113] CS: 0010 DS: 0000 ES: 0000 CR0: 0000[ 55.059003] lkdtm: attempting ok execution at ffffffff8deb1eb0 000080050033 # [ 51.505527] CR2: ffff977481980000 CR3: 000000[ 55.071701] lkdtm: attempting bad execution at ffff9774806c5000 0103904003 CR4: 00000000003706f0 # [ 51.513496] Call Trace: [ 55.084523] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 55.099080] BUG: unable to handle page fault for address: ffff9774806c5000 [ 55.106758] #PF: supervisor instruction fetch in kernel mode [ 55.113077] #PF: error_code(0x0011) - permissions violation [ 55.119297] PGD 100000067 P4D 100000067 PUD 100210067 PMD 104fa2067 PTE 8000000102ac8063 [ 55.128345] Oops: 0011 [#8] SMP PTI [ 55.132236] CPU: 0 PID: 1733 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 55.140884] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.147690] RIP: 0010:0xffff9774806c5000 [ 55.152069] Code: Unable to access opcode bytes at RIP 0xffff9774806c4fd6. [ 55.159745] RSP: 0018:ffff9774823e7e38 EFLAGS: 00010246 [ 55.165578] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.173548] RDX: 0000000000000000 RSI: ffff928ffac1bf70 RDI: ffff928ffac1bf70 [ 55.181516] RBP: ffff9774806c5000 R08: 0000000000000000 R09: 0000000000000000 [ 55.189486] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 55.197455] R13: ffff9774823e7f10 R14: ffff9774823e7f10 R15: ffff928f82ac8000 [ 55.205424] FS: 00007ff335d45580(0000) GS:ffff928ffac00000(0000) knlGS:0000000000000000 [ 55.214462] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.220878] CR2: ffff9774806c4fd6 CR3: 0000000102a7a001 CR4: 00000000003706f0 [ 55.228846] Call Trace: [ 55.231576] ? execute_location+0x48/0x56 [ 55.236057] ? lkdtm_EXEC_VMALLOC+0x20/0x30 [ 55.240731] ? direct_entry.cold+0x2c/0x38 [ 55.245303] ? full_proxy_write+0x56/0x80 [ 55.249784] ? vfs_write+0xea/0x390 [ 55.253675] ? ksys_write+0x68/0xe0 [ 55.257567] ? do_syscall_64+0x33/0x40 [ 55.261742] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.267576] 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_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 55.294017] CR2: ffff9774806c5000 [ 55.297713] ---[ end trace 5d0f9ae5181b6132 ]--- [ 55.302868] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 55.307244] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 [ 55.328226] RSP: 0018:ffff977481457e60 EFLAGS: 00010282 [ 55.334058] RAX: ffffffff8deb1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.342029] RDX: 0000000000000000 RSI: ffff928ffac1bf70 RDI: ffffffff8ead9a70 [ 55.349997] RBP: ffffffff8ef1b5a8 R08: 0000000000000001 R09: 0000000000000001 [ 55.357966] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 55.365936] R13: ffff977481457f10 R14: ffff977481457f10 R15: ffff928f82b0e000 [ 55.373905] FS: 00007ff335d45580(0000) GS:ffff928ffac00000(0000) knlGS:0000000000000000 [ 55.382941] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.389356] CR2: ffff9774806c4fd6 CR3: 0000000102a7a001 CR4: 00000000003706f0 # [ 51.516222] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a # [ 51.522057] direct_entry.cold+0x2c/0x38 # [ 51.526433] full_proxy_write+0x56/0x80 # [ 51.530720] vfs_write+0xea/0x390 # [ 51.534416] ksys_write+0x68/0xe0 # [ 51.538113] do_syscall_64+0x33/0x40 # [ 51.542102] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 51.547742] RIP: 0033:0x7f0bc9aaaf33 # [ 51.551730] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 51.572709] RSP: 002b:00007ffd815f2638 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.581164] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f0bc9aaaf33 # [ 51.589132] RDX: 000000000000001a RSI: 00007f0bc999b000 RDI: 0000000000000001 # [ 51.597100] RBP: 00007f0bc999b000 R08: 00007f0bc999a010 R09: 0000000000000000 # [ 51.605068] R10: 00007f0bc9ba51c0 R11: 0000000000000246 R12: 0000000000000001 # [ 51.613036] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.621007] 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_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 51.647444] ---[ end trace 5d0f9ae5181b612d ]--- # [ 51.652597] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 51.656972] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 # [ 51.677951] RSP: 0018:ffff977481457e60 EFLAGS: 00010282 # [ 51.683783] RAX: ffffffff8deb1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 51[ 55.575151] lkdtm: Performing direct entry EXEC_RODATA [ 55.583304] lkdtm: attempting ok execution at ffffffff8deb1eb0 [ 55.589821] lkdtm: attempting bad execution at ffffffff8ead9f00 [ 55.596458] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) .691750] RDX: 0000000000000000 RSI: ffff928ffac1bf70 RDI: ffffff[ 55.604822] BUG: unable to handle page fault for address: ffffffff8ead9f00 [ 55.618715] #PF: supervisor instruction fetch in kernel mode [ 55.625036] #PF: error_code(0x0011) - permissions violation [ 55.631250] PGD 13429067 P4D 13429067 PUD 1342a063 PMD 8000000012e000e1 [ 55.638737] Oops: 0011 [#9] SMP PTI [ 55.642629] CPU: 3 PID: 1769 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 55.651279] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.658086] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 [ 55.663823] Code: ff ff d9 a2 4f 8e ff ff ff ff 8a 05 ec 8e ff ff ff ff 8f 8a 4f 8e 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 [ 55.684796] RSP: 0018:ffff97748244fe48 EFLAGS: 00010246 [ 55.690629] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 55.698597] RDX: 0000000000000000 RSI: ffff928ffad9bf70 RDI: ffff928ffad9bf70 [ 55.706565] RBP: ffffffff8ead9f00 R08: 0000000000000000 R09: 0000000000000000 [ 55.714534] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 55.722503] R13: ffff97748244ff10 R14: ffff97748244ff10 R15: ffff928f83467000 [ 55.730472] FS: 00007f7520742580(0000) GS:ffff928ffad80000(0000) knlGS:0000000000000000 [ 55.739510] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.745924] CR2: ffffffff8ead9f00 CR3: 00000001058f6003 CR4: 00000000003706e0 [ 55.753892] Call Trace: [ 55.756620] ? execute_location+0x48/0x56 [ 55.761093] ? direct_entry.cold+0x2c/0x38 [ 55.765664] ? full_proxy_write+0x56/0x80 [ 55.770129] ? vfs_write+0xea/0x390 [ 55.774012] ? ksys_write+0x68/0xe0 [ 55.777896] ? do_syscall_64+0x33/0x40 [ 55.782079] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.787905] 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_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 55.814366] CR2: ffffffff8ead9f00 [ 55.818063] ---[ end trace 5d0f9ae5181b6133 ]--- [ 55.823208] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 55.827582] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 [ 55.848565] RSP: 0018:ffff977481457e60 EFLAGS: 00010282 [ 55.854399] RAX: ffffffff8deb1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.862367] RDX: 0000000000000000 RSI: ffff928ffac1bf70 RDI: ffffffff8ead9a70 [ 55.870337] RBP: ffffffff8ef1b5a8 R08: 0000000000000001 R09: 0000000000000001 [ 55.878307] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 55.886277] R13: ffff977481457f10 R14: ffff977481457f10 R15: ffff928f82b0e000 [ 55.894246] FS: 00007f7520742580(0000) GS:ffff928ffad80000(0000) knlGS:0000000000000000 [ 55.903282] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.909698] CR2: ffffffff8ead9f00 CR3: 00000001058f6003 CR4: 00000000003706e0 ff8ead9a70 # [ 51.699719] RBP: ffffffff8ef1b5a8 R08: 0000000000000001 R09: 0000000000000001 # [ 51.707687] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 51.715655] R13: ffff977481457f10 R14: ffff977481457f10 R15: ffff928f82b0e000 # [ 51.723623] FS: 00007f0bc9b82580(0000) GS:ffff928ffac00000(0000) knlGS:0000000000000000 # [ 51.732657] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.739071] CR2: ffff977481980000 CR3: 0000000103904003 CR4: 00000000003706f0 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 51.851963] lkdtm: Performing direct entry UNSET_SMEP # [ 51.858347] lkdtm: trying to clear SMEP normally # [ 51.869716] ------------[ cut here ]------------ # [ 51.881091] pinned CR4 bits changed: 0x100000!? # [ 51.892370] WARNING: CPU: 1 PID: 1118 at arch/x86/kernel/cpu/common.c:392 nativ[ 56.010434] lkdtm: Performing direct entry EXEC_USERSPACE e_write_cr4+0x41/0x60 # [ 51.908788] Modules linked in: fuse [ 56.016972] lkdtm: attempting ok execution at ffffffff8deb1eb0 ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_trig[ 56.029702] lkdtm: attempting bad execution at 00007f1a72191000 gered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightb[ 56.042547] unable to execute userspace code (SMEP?) (uid: 0) [ 56.055158] BUG: unable to handle page fault for address: 00007f1a72191000 [ 56.062837] #PF: supervisor instruction fetch in kernel mode [ 56.069154] #PF: error_code(0x0011) - permissions violation ar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_tem[ 56.075377] PGD 80000001029e3067 P4D 80000001029e3067 PUD 100852067 PMD 103601067 PTE 106820067 [ 56.091315] Oops: 0011 [#10] SMP PTI [ 56.095295] CPU: 1 PID: 1805 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 56.103936] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.110742] RIP: 0010:0x7f1a72191000 [ 56.114721] Code: Unable to access opcode bytes at RIP 0x7f1a72190fd6. [ 56.122011] RSP: 0018:ffff97748250fe50 EFLAGS: 00010246 [ 56.127835] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 [ 56.135806] RDX: 0000000000000000 RSI: ffff928ffac9bf70 RDI: ffff928ffac9bf70 [ 56.143774] RBP: 00007f1a72191000 R08: 0000000000000000 R09: 0000000000000000 [ 56.151744] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f [ 56.159705] R13: ffff97748250ff10 R14: ffff97748250ff10 R15: ffff928f83516000 [ 56.167674] FS: 00007f1a72162580(0000) GS:ffff928ffac80000(0000) knlGS:0000000000000000 [ 56.176711] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.183126] CR2: 00007f1a72191000 CR3: 0000000104f34003 CR4: 00000000003706e0 [ 56.191096] Call Trace: [ 56.193824] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae p_thermal cros_ec_dev cros_usbpd_notify # [ 51.941433] CPU: 1[ 56.199172] ? direct_entry.cold+0x2c/0x38 [ 56.209959] ? full_proxy_write+0x56/0x80 [ 56.214435] ? vfs_write+0xea/0x390 [ 56.218318] ? ksys_write+0x68/0xe0 [ 56.222209] ? do_syscall_64+0x33/0x40 [ 56.226384] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 PID: 1118 Comm: cat Tainted: G D W 5.10.128-cip10 [ 56.232220] 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_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 56.264861] CR2: 00007f1a72191000 [ 56.268558] ---[ end trace 5d0f9ae5181b6134 ]--- [ 56.273712] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 56.278081] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 [ 56.299059] RSP: 0018:ffff977481457e60 EFLAGS: 00010282 [ 56.304894] RAX: ffffffff8deb1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 56.312862] RDX: 0000000000000000 RSI: ffff928ffac1bf70 RDI: ffffffff8ead9a70 [ 56.320831] RBP: ffffffff8ef1b5a8 R08: 0000000000000001 R09: 0000000000000001 [ 56.328801] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 56.336769] R13: ffff977481457f10 R14: ffff977481457f10 R15: ffff928f82b0e000 [ 56.344737] FS: 00007f1a72162580(0000) GS:ffff928ffac80000(0000) knlGS:0000000000000000 [ 56.353776] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.360191] CR2: 00007f1a72191000 CR3: 0000000104f34003 CR4: 00000000003706e0 [ 56.368162] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 56.378066] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1805, name: cat [ 56.386520] INFO: lockdep is turned off. [ 56.390897] irq event stamp: 0 [ 56.394303] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 56.401304] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 #1 # [ 51.956299] Hardware name: Google Rammus/Rammus, BIOS [ 56.410442] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 56.425791] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 56.432780] CPU: 1 PID: 1805 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 56.441430] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.448234] Call Trace: [ 56.450961] dump_stack+0x77/0x97 09/04/2020 # [ 51.969324] RIP: 0010:native_write_cr4+0x41/0x6[ 56.454662] ___might_sleep.cold+0xa6/0xb6 [ 56.465447] exit_signals+0x1c/0x2d0 [ 56.469437] do_exit+0xd5/0xb00 [ 56.472939] ? ksys_write+0x68/0xe0 [ 56.476831] rewind_stack_do_exit+0x17/0x20 [ 56.481492] RIP: 0033:0x7f1a7208af33 [ 56.485481] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 56.506456] RSP: 002b:00007fff8aeda2d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.514912] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007f1a7208af33 [ 56.522883] RDX: 000000000000000f RSI: 00007f1a71f7b000 RDI: 0000000000000001 [ 56.530852] RBP: 00007f1a71f7b000 R08: 00007f1a71f7a010 R09: 0000000000000000 [ 56.538822] R10: 00007f1a721851c0 R11: 0000000000000246 R12: 0000000000000001 [ 56.546792] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0 # [ 51.980697] Code: 08 31 00 48 39 c2 75 25 48 85 f6 75 01 c3 80 3d dc d8 c3 01 00 75 f6 48 c7 c7 f8 fc df 8e c6 05 cc d8 c3 01 01 e8 85 d7 e0 00 <0f> 0b c3 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 c7 eb ac 66 # [ 52.007898] RSP: 0018:ffff977481a47e48 EFLAGS: 00010286 # [ 52.019948] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 # [ 52.034137] RDX: ffff928ffacac660 RSI: ffff928ffac9bf70 RDI: ffff928ffac9bf70 # [ 52.048326] RBP: ffffffff8eec0215 R08: 0000000000000000 R09: 0000000000000000 # [ 52.062514] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 52.076705] R13: ffff977481a47f10 R14: ffff977481a47f10 R15: ffff928f858ba000 # [ 52.090897] FS: 00007fcd2d2d1580(0000) GS:ffff928ffac80000(0000) knlGS:0000000000000000 # [ 52.106152] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.118789] CR2: 00007fcd2d0ea000 CR3: 000000010384a001 CR4: 00000000003706e0 # [ 52.133005] Call Trace: # [ 52.141950] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 52.153019] direct_entry.cold+0x2c/0x38 # [ 52.163613] full_proxy_write+0x56/0x80 # [ 52.174111] vfs_write+0xea/0x390 # [ 52.184027] ksys_write+0x68/0xe0 # [ 52.193944] do_syscall_64+0x33/0x40 # [ 52.204151] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 52.216024] RIP: 0033:0x7fcd2d1[ 56.680923] lkdtm: Performing direct entry EXEC_NULL [ 56.690851] lkdtm: attempting ok execution at ffffffff8deb1eb0 [ 56.697401] lkdtm: attempting bad execution at 0000000000000000 [ 56.704041] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 56.711825] #PF: supervisor instruction fetch in kernel mode [ 56.718141] #PF: error_code(0x0010) - not-present page [ 56.723875] PGD 0 P4D 0 [ 56.726699] Oops: 0010 [#11] SMP PTI [ 56.730678] CPU: 3 PID: 1841 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 56.739326] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.746129] RIP: 0010:0x0 [ 56.749058] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 56.756736] RSP: 0018:ffff977482587e48 EFLAGS: 00010246 [ 56.762568] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 56.770537] RDX: 0000000000000000 RSI: ffff928ffad9bf70 RDI: ffff928ffad9bf70 [ 56.778506] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 56.786474] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 56.794443] R13: ffff977482587f10 R14: ffff977482587f10 R15: ffff928f8591e000 [ 56.802412] FS: 00007f3c418c4580(0000) GS:ffff928ffad80000(0000) knlGS:0000000000000000 [ 56.811450] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.817864] CR2: ffffffffffffffd6 CR3: 0000000104e34006 CR4: 00000000003706e0 [ 56.825833] Call Trace: [ 56.828562] execute_location+0x48/0x56 [ 56.832841] direct_entry.cold+0x2c/0x38 [ 56.837219] full_proxy_write+0x56/0x80 [ 56.841500] vfs_write+0xea/0x390 [ 56.845197] ksys_write+0x68/0xe0 [ 56.848895] do_syscall_64+0x33/0x40 [ 56.852884] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 56.858523] RIP: 0033:0x7f3c417ecf33 [ 56.862510] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 56.883492] RSP: 002b:00007ffc3365d868 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.891947] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f3c417ecf33 [ 56.899916] RDX: 000000000000000a RSI: 00007f3c416dd000 RDI: 0000000000000001 [ 56.907884] RBP: 00007f3c416dd000 R08: 00007f3c416dc010 R09: 0000000000000000 [ 56.915854] R10: 00007f3c418e71c0 R11: 0000000000000246 R12: 0000000000000001 [ 56.923824] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 56.931796] 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_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify f9f33 # [ 52.226222] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 4[ 56.958254] CR2: 0000000000000000 [ 56.968164] ---[ end trace 5d0f9ae5181b6135 ]--- [ 56.973319] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 56.977686] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 [ 56.998671] RSP: 0018:ffff977481457e60 EFLAGS: 00010282 [ 57.004503] RAX: ffffffff8deb1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 57.012471] RDX: 0000000000000000 RSI: ffff928ffac1bf70 RDI: ffffffff8ead9a70 [ 57.020441] RBP: ffffffff8ef1b5a8 R08: 0000000000000001 R09: 0000000000000001 [ 57.028411] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 57.036382] R13: ffff977481457f10 R14: ffff977481457f10 R15: ffff928f82b0e000 [ 57.044351] FS: 00007f3c418c4580(0000) GS:ffff928ffad80000(0000) knlGS:0000000000000000 [ 57.053390] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.059805] CR2: ffffffffffffffd6 CR3: 0000000104e34006 CR4: 00000000003706e0 8 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 52.253425] RSP: 002b:00007ffc91cb2b68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.268102] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fcd2d1f9f33 # [ 52.282295] RDX: 000000000000000b RSI: 00007fcd2d0ea000 RDI: 0000000000000001 # [ 52.296484] RBP: 00007fcd2d0ea000 R08: 00007fcd2d0e9010 R09: 0000000000000000 # [ 52.310673] R10: 00007fcd2d2f41c0 R11: 0000000000000246 R12: 0000000000000001 # [ 52.324861] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 52.339070] irq event stamp: 0 # [ 52.348694] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 52.361917] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 52.377270] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 52.392622] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 52.405840] ---[ end trace 5d0f9ae5181b612e ]--- # [ 52.417214] lkdtm: ok: SMEP did not get cleared # [ 52.428492] lkdtm: trying to clear SMEP with call gadget # [ 52.440640] 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 # [ 52.507078] lkdtm: Performing direct entry DOUBLE_FAULT # [ 52.513789] 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 # [ 52.581172] lkdtm: Performing direct entry CORRUPT_PAC # [ 52.593066] lkdtm: XFAIL: this test is arm64-only # CORRUPT_PAC: saw 'XFAIL': [SKIP] ok 16 selftests: lkdtm: CORRUPT_PAC.sh # SKIP # selftests: lkdtm[ 57.244612] lkdtm: Performing direct entry ACCESS_USERSPACE : UNALIGNED_LOAD_STORE_WRITE.sh # [ 52.654997] lkdtm: Perform[ 57.254277] lkdtm: attempting bad read at 00007fc0ffaca000 ing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 52.667704] lk[ 57.266632] BUG: unable to handle page fault for address: 00007fc0ffaca000 [ 57.280502] #PF: supervisor read access in kernel mode [ 57.286238] #PF: error_code(0x0001) - permissions violation [ 57.292460] PGD 8000000102a51067 P4D 8000000102a51067 PUD 1058f5067 PMD 103476067 PTE 106cbe067 dtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # U[ 57.302183] Oops: 0001 [#12] SMP PTI [ 57.312386] CPU: 1 PID: 1877 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 57.321028] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 57.327834] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x3d/0x9f NALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP] ok 17 selftests:[ 57.334068] Code: 2b 04 25 28 00 00 00 75 60 48 83 c4 10 5d c3 48 89 ee 48 c7 c7 a8 12 ec 8e e8 73 9d fd ff 48 c7 c7 d0 12 ec 8e b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 5a 9d fd ff 48 89 ee 48 c7 c7 f8 12 ec [ 57.361266] RSP: 0018:ffff97748260fe48 EFLAGS: 00010246 [ 57.367100] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 [ 57.375071] RDX: 0000000000000000 RSI: ffff928ffac9bf70 RDI: ffffffff8eec12d0 [ 57.383058] RBP: 00007fc0ffaca000 R08: 0000000000000000 R09: 0000000000000000 [ 57.391028] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 [ 57.399013] R13: ffff97748260ff10 R14: ffff97748260ff10 R15: ffff928f8298f000 [ 57.406984] FS: 00007fc0ffa9b580(0000) GS:ffff928ffac80000(0000) knlGS:0000000000000000 [ 57.416021] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.422435] CR2: 00007fc0ffaca000 CR3: 0000000104fe0005 CR4: 00000000003706e0 [ 57.430404] Call Trace: [ 57.433131] direct_entry.cold+0x2c/0x38 lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP # selftests: lkdtm[ 57.437513] full_proxy_write+0x56/0x80 [ 57.448014] vfs_write+0xea/0x390 [ 57.451713] ksys_write+0x68/0xe0 [ 57.455403] do_syscall_64+0x33/0x40 [ 57.459394] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 57.465034] RIP: 0033:0x7fc0ff9c3f33 [ 57.469024] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 57.490010] RSP: 002b:00007ffcad8db358 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.498468] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fc0ff9c3f33 [ 57.506438] RDX: 0000000000000011 RSI: 00007fc0ff8b4000 RDI: 0000000000000001 [ 57.514406] RBP: 00007fc0ff8b4000 R08: 00007fc0ff8b3010 R09: 0000000000000000 [ 57.522375] R10: 00007fc0ffabe1c0 R11: 0000000000000246 R12: 0000000000000001 [ 57.530344] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 : OVERWRITE_ALLOCATION.sh # Skipping OVERWRITE_ALLOCATION: Corr[ 57.538315] 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_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 57.570956] CR2: 00007fc0ffaca000 [ 57.574653] ---[ end trace 5d0f9ae5181b6136 ]--- [ 57.579808] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 57.584186] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 [ 57.605160] RSP: 0018:ffff977481457e60 EFLAGS: 00010282 [ 57.611010] RAX: ffffffff8deb1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 57.618971] RDX: 0000000000000000 RSI: ffff928ffac1bf70 RDI: ffffffff8ead9a70 [ 57.626941] RBP: ffffffff8ef1b5a8 R08: 0000000000000001 R09: 0000000000000001 [ 57.634910] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 57.642879] R13: ffff977481457f10 R14: ffff977481457f10 R15: ffff928f82b0e000 [ 57.650849] FS: 00007fc0ffa9b580(0000) GS:ffff928ffac80000(0000) knlGS:0000000000000000 [ 57.659879] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.666286] CR2: 00007fc0ffaca000 CR3: 0000000104fe0005 CR4: 00000000003706e0 [ 57.674254] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 57.684164] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1877, name: cat [ 57.692618] INFO: lockdep is turned off. [ 57.697013] irq event stamp: 0 [ 57.700417] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 57.707418] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 57.716555] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 57.725689] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 57.732689] CPU: 1 PID: 1877 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 57.741339] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 57.748143] Call Trace: [ 57.750871] dump_stack+0x77/0x97 [ 57.754571] ___might_sleep.cold+0xa6/0xb6 [ 57.759144] exit_signals+0x1c/0x2d0 [ 57.763134] do_exit+0xd5/0xb00 [ 57.766638] ? ksys_write+0x68/0xe0 [ 57.770531] rewind_stack_do_exit+0x17/0x20 [ 57.775198] RIP: 0033:0x7fc0ff9c3f33 [ 57.779185] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 57.800168] RSP: 002b:00007ffcad8db358 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.808625] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fc0ff9c3f33 [ 57.816595] RDX: 0000000000000011 RSI: 00007fc0ff8b4000 RDI: 0000000000000001 [ 57.824562] RBP: 00007fc0ff8b4000 R08: 00007fc0ff8b3010 R09: 0000000000000000 [ 57.832531] R10: 00007fc0ffabe1c0 R11: 0000000000000246 R12: 0000000000000001 [ 57.840501] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 upts 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 # [ 52.785519] lkdtm: Performing direct entry READ_AFTER_FREE # [ 52.793301] lkdtm: Value in memory before free: 12345678 # [ 52.805455] lkdtm: Attempting bad read from freed memory # [ 52.817601] lkdtm: Memory was not poisoned # READ_AFTER_FREE: missing 'call trace:': [FAIL] not ok 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1 # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on failure ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # [ 52.907023] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 52.915884] lkdtm: Value in memory before free: 12345[ 57.937663] lkdtm: Performing direct entry ACCESS_NULL [ 57.947434] lkdtm: attempting bad read at 0000000000000000 [ 57.953579] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 57.961365] #PF: supervisor read access in kernel mode 678 # [ 52.921840] lkdtm: Attempting to read from freed memor[ 57.967103] #PF: error_code(0x0000) - not-present page [ 57.979058] PGD 0 P4D 0 y # [ 52.927678] lkdtm: Buddy page was not poisoned # READ_B[ 57.981884] Oops: 0000 [#13] SMP PTI [ 57.992088] CPU: 3 PID: 1912 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 58.000736] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.007544] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 [ 58.012793] Code: 17 9d fd ff be 00 10 00 00 48 89 ef e8 74 bb 3f ff e9 6d ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 a8 12 ec 8e e8 f1 9c fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 d0 12 ec 8e 48 01 [ 58.033775] RSP: 0018:ffff977482497e58 EFLAGS: 00010246 [ 58.039608] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 [ 58.047575] RDX: 0000000000000000 RSI: ffff928ffad9bf70 RDI: ffff928ffad9bf70 [ 58.055547] RBP: ffffffff8eec0399 R08: 0000000000000000 R09: 0000000000000000 [ 58.063516] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 58.071483] R13: ffff977482497f10 R14: ffff977482497f10 R15: ffff928f82bd3000 [ 58.079454] FS: 00007f8fb3880580(0000) GS:ffff928ffad80000(0000) knlGS:0000000000000000 [ 58.088490] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.094905] CR2: 0000000000000000 CR3: 0000000100b0e002 CR4: 00000000003706e0 [ 58.102875] Call Trace: [ 58.105603] direct_entry.cold+0x2c/0x38 [ 58.109980] full_proxy_write+0x56/0x80 [ 58.114261] vfs_write+0xea/0x390 [ 58.117949] ksys_write+0x68/0xe0 [ 58.121647] do_syscall_64+0x33/0x40 [ 58.125634] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.131266] RIP: 0033:0x7f8fb37a8f33 [ 58.135245] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 58.156225] RSP: 002b:00007ffc1c15c908 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.164681] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f8fb37a8f33 [ 58.172650] RDX: 000000000000000c RSI: 00007f8fb3699000 RDI: 0000000000000001 [ 58.180618] RBP: 00007f8fb3699000 R08: 00007f8fb3698010 R09: 0000000000000000 [ 58.188589] R10: 00007f8fb38a31c0 R11: 0000000000000246 R12: 0000000000000001 [ 58.196556] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 58.204527] 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_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify UDDY_AFTER_FREE: missing 'call trace:': [FAIL] not ok 22 selfte[ 58.230980] CR2: 0000000000000000 [ 58.240890] ---[ end trace 5d0f9ae5181b6137 ]--- [ 58.246065] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 58.250441] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 [ 58.271427] RSP: 0018:ffff977481457e60 EFLAGS: 00010282 [ 58.277258] RAX: ffffffff8deb1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 58.285228] RDX: 0000000000000000 RSI: ffff928ffac1bf70 RDI: ffffffff8ead9a70 [ 58.293196] RBP: ffffffff8ef1b5a8 R08: 0000000000000001 R09: 0000000000000001 [ 58.301165] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 58.309136] R13: ffff977481457f10 R14: ffff977481457f10 R15: ffff928f82b0e000 [ 58.317105] FS: 00007f8fb3880580(0000) GS:ffff928ffad80000(0000) knlGS:0000000000000000 [ 58.326143] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.332558] CR2: 0000000000000000 CR3: 0000000100b0e002 CR4: 00000000003706e0 sts: lkdtm: READ_BUDDY_AFTER_FREE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_DOUBLE.sh # [ 52.990644] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 53.001081] 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 # [ 53.099406] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 53.105845] 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 # [ 53.173363] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 53.179868] lkdtm: Attempting non-Slab slab free ... # SLAB_FREE_PAGE: missing 'call trace:': [FAIL] not ok 25 selftests: lkdtm:[ 58.420697] lkdtm: Performing direct entry WRITE_RO [ 58.426901] lkdtm: attempting bad rodata write at ffffffff8ead9ef0 [ 58.433836] BUG: unable to handle page fault for address: ffffffff8ead9ef0 [ 58.441527] #PF: supervisor write access in kernel mode SLAB_FREE_PAGE.sh # exit=1 # selftests: lkdtm: SOFTLOCKUP.sh [ 58.447369] #PF: error_code(0x0003) - permissions violation [ 58.459804] PGD 13429067 P4D 13429067 PUD 1342a063 PMD 8000000012e000e1 # Skipping SOFTLOCKUP: Hangs the system ok 26 selftests: lkdtm:[ 58.467292] Oops: 0003 [#14] SMP PTI [ 58.477494] CPU: 3 PID: 1947 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 58.486144] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.492951] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a [ 58.497908] Code: 00 48 c7 c7 88 11 ec 8e 48 c7 c6 f0 9e ad 8e e8 93 9f fd ff 48 8b 05 16 11 5e 00 ba 34 12 cd ab 48 c7 c7 b8 11 ec 8e 48 31 d0 <48> 89 05 00 11 5e 00 e9 71 9f fd ff 0f 1f 44 00 00 48 8b 05 27 35 [ 58.518891] RSP: 0018:ffff97748271fe60 EFLAGS: 00010202 [ 58.524724] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 [ 58.532694] RDX: 00000000abcd1234 RSI: ffff928ffad9bf70 RDI: ffffffff8eec11b8 [ 58.540664] RBP: ffffffff8eec03a5 R08: 0000000000000000 R09: 0000000000000000 [ 58.548633] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 [ 58.556601] R13: ffff97748271ff10 R14: ffff97748271ff10 R15: ffff928f83458000 [ 58.564571] FS: 00007f1ebff50580(0000) GS:ffff928ffad80000(0000) knlGS:0000000000000000 [ 58.573609] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.580024] CR2: ffffffff8ead9ef0 CR3: 000000010123a006 CR4: 00000000003706e0 [ 58.588009] Call Trace: [ 58.590737] direct_entry.cold+0x2c/0x38 [ 58.595115] full_proxy_write+0x56/0x80 [ 58.599395] vfs_write+0xea/0x390 [ 58.603083] ksys_write+0x68/0xe0 [ 58.606780] do_syscall_64+0x33/0x40 [ 58.610768] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.616407] RIP: 0033:0x7f1ebfe78f33 [ 58.620394] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 58.641375] RSP: 002b:00007fff50e6dd18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.649831] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f1ebfe78f33 [ 58.657800] RDX: 0000000000000009 RSI: 00007f1ebfd69000 RDI: 0000000000000001 [ 58.665769] RBP: 00007f1ebfd69000 R08: 00007f1ebfd68010 R09: 0000000000000000 [ 58.673736] R10: 00007f1ebff731c0 R11: 0000000000000246 R12: 0000000000000001 [ 58.681705] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 58.689677] 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_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify SOFTLOCKUP.sh # SKIP # selftests: lkdtm: HARDLOCKUP.sh # Skip[ 58.716127] CR2: ffffffff8ead9ef0 [ 58.726038] ---[ end trace 5d0f9ae5181b6138 ]--- [ 58.731184] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 58.735560] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 [ 58.756544] RSP: 0018:ffff977481457e60 EFLAGS: 00010282 [ 58.762377] RAX: ffffffff8deb1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 58.770345] RDX: 0000000000000000 RSI: ffff928ffac1bf70 RDI: ffffffff8ead9a70 [ 58.778313] RBP: ffffffff8ef1b5a8 R08: 0000000000000001 R09: 0000000000000001 [ 58.786283] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 58.794252] R13: ffff977481457f10 R14: ffff977481457f10 R15: ffff928f82b0e000 [ 58.802224] FS: 00007f1ebff50580(0000) GS:ffff928ffad80000(0000) knlGS:0000000000000000 [ 58.811260] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.817676] CR2: ffffffff8ead9ef0 CR3: 000000010123a006 CR4: 00000000003706e0 ping 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 # [ 53.346752] lkdtm: Performing direct entry EXEC_DATA # [ 53.352533] lkdtm: attempting ok execution at ffffffff8deb1eb0 # [ 53.365260] lkdtm: attempting bad execution at ffffffff905b3560 # [ 53.378111] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 53.392662] BUG: unable to handle page fault for address: ffffffff905b3560 # [ 53.400341] #PF: supervisor instruction fetch in kernel mode # [ 53.406660] #PF: error_code[ 58.905567] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT [ 58.912991] lkdtm: attempting bad ro_after_init write at ffffffff8ef3c328 [ 58.920585] BUG: unable to handle page fault for address: ffffffff8ef3c328 [ 58.928269] #PF: supervisor write access in kernel mode [ 58.934104] #PF: error_code(0x0003) - permissions violation [ 58.940326] PGD 13429067 P4D 13429067 PUD 1342a063 PMD 104cda063 PTE 800000001333c061 (0x0011) - permissions violation # [ 53.412881] PGD 13429067 [ 58.949079] Oops: 0003 [#15] SMP PTI [ 58.959279] CPU: 3 PID: 1982 Comm: cat Tainted: G D W 5.10.128-cip10 #1 P4D 13429067 PUD 1342a063 PMD 80000000148000e3 # [ 53.420369[ 58.967929] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.980950] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a [ 58.986978] Code: 11 ec 8e e9 45 9f fd ff 48 c7 c7 10 12 ec 8e e8 39 9f fd ff 48 8b 05 f4 34 a4 00 ba 34 12 cd ab 48 c7 c7 b8 11 ec 8e 48 31 d0 <48> 89 05 de 34 a4 00 e9 17 9f fd ff 0f 1f 44 00 00 41 54 48 c7 c7 [ 59.007960] RSP: 0018:ffff9774827a7e60 EFLAGS: 00010202 [ 59.013793] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 [ 59.021763] RDX: 00000000abcd1234 RSI: ffff928ffad9bf70 RDI: ffffffff8eec11b8 [ 59.029731] RBP: ffffffff8eec03ae R08: 0000000000000000 R09: 0000000000000000 [ 59.037699] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 [ 59.045669] R13: ffff9774827a7f10 R14: ffff9774827a7f10 R15: ffff928f83258000 [ 59.053639] FS: 00007efdd48fe580(0000) GS:ffff928ffad80000(0000) knlGS:0000000000000000 [ 59.062676] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.069091] CR2: ffffffff8ef3c328 CR3: 00000001013ca005 CR4: 00000000003706e0 [ 59.077071] Call Trace: [ 59.079798] direct_entry.cold+0x2c/0x38 [ 59.084177] full_proxy_write+0x56/0x80 [ 59.088457] vfs_write+0xea/0x390 [ 59.092153] ksys_write+0x68/0xe0 [ 59.095851] do_syscall_64+0x33/0x40 [ 59.099839] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 59.105470] RIP: 0033:0x7efdd4826f33 [ 59.109458] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 59.130442] RSP: 002b:00007ffc355c8eb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.138896] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007efdd4826f33 [ 59.146863] RDX: 0000000000000014 RSI: 00007efdd4717000 RDI: 0000000000000001 [ 59.154833] RBP: 00007efdd4717000 R08: 00007efdd4716010 R09: 0000000000000000 [ 59.162804] R10: 00007efdd49211c0 R11: 0000000000000246 R12: 0000000000000001 [ 59.170773] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 59.178744] 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_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ] Oops: 0011 [#5] SMP PTI # [ 53.424259] CPU: 1 PID: 1625 Com[ 59.205200] CR2: ffffffff8ef3c328 [ 59.215110] ---[ end trace 5d0f9ae5181b6139 ]--- [ 59.220265] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 59.224632] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 [ 59.245616] RSP: 0018:ffff977481457e60 EFLAGS: 00010282 [ 59.251446] RAX: ffffffff8deb1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 59.259416] RDX: 0000000000000000 RSI: ffff928ffac1bf70 RDI: ffffffff8ead9a70 [ 59.267385] RBP: ffffffff8ef1b5a8 R08: 0000000000000001 R09: 0000000000000001 [ 59.275354] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 59.283323] R13: ffff977481457f10 R14: ffff977481457f10 R15: ffff928f82b0e000 [ 59.291292] FS: 00007efdd48fe580(0000) GS:ffff928ffad80000(0000) knlGS:0000000000000000 [ 59.300329] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.306744] CR2: ffffffff8ef3c328 CR3: 00000001013ca005 CR4: 00000000003706e0 [ 59.314713] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 59.324624] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1982, name: cat [ 59.333079] INFO: lockdep is turned off. [ 59.337454] irq event stamp: 0 [ 59.340858] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 59.347857] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 59.357012] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 59.366143] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 59.373142] CPU: 3 PID: 1982 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 59.381792] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 59.388595] Call Trace: [ 59.391322] dump_stack+0x77/0x97 [ 59.395019] ___might_sleep.cold+0xa6/0xb6 [ 59.399589] exit_signals+0x1c/0x2d0 [ 59.403578] do_exit+0xd5/0xb00 [ 59.407079] ? ksys_write+0x68/0xe0 [ 59.410971] rewind_stack_do_exit+0x17/0x20 [ 59.415628] RIP: 0033:0x7efdd4826f33 [ 59.419609] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 59.440583] RSP: 002b:00007ffc355c8eb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.449038] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007efdd4826f33 [ 59.457011] RDX: 0000000000000014 RSI: 00007efdd4717000 RDI: 0000000000000001 [ 59.464979] RBP: 00007efdd4717000 R08: 00007efdd4716010 R09: 0000000000000000 [ 59.472949] R10: 00007efdd49211c0 R11: 0000000000000246 R12: 0000000000000001 [ 59.480916] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 m: cat Tainted: G D W 5.10.128-cip10 #1 # [ 53.432910] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.439718] RIP: 0010:data_area+0x0/0x40 # [ 53.444096] Code: ff ff 00 52 87 82 8f 92 ff ff 00 51 87 82 8f 92 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 # [ 53.465079] RSP: 0018:ffff977482217e48 EFLAGS: 00010246 # [ 53.470912] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 53.478881] RDX: 0000000000000000 RSI: ffff928ffac9bf70 RDI: ffff928ffac9bf70 # [ 53.486851] RBP: ffffffff905b3560 R08: 0000000000000000 R09: 0000000000000000 # [ 53.494816] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 53.502783] R13: ffff977482217f10 R14: ffff977482217f10 R15: ffff928f86473000 # [ 53.510753] FS: 00007f0cae58d580(0000) GS:ffff928ffac80000(0000) knlGS:0000000000[ 59.576770] lkdtm: Performing direct entry WRITE_KERN 000000 # [ 53.519782] CS: 0010 DS: 0000 ES: 0000 CR0: 000000[ 59.587794] lkdtm: attempting bad 6581924 byte write at ffffffff8e4f8d54 0080050033 # [ 53.526197] CR2: ffffffff905b3560 CR3: 00000001[ 59.601520] BUG: unable to handle page fault for address: ffffffff8e4f8d54 [ 59.615391] #PF: supervisor write access in kernel mode [ 59.621222] #PF: error_code(0x0003) - permissions violation [ 59.627436] PGD 13429067 P4D 13429067 PUD 1342a063 PMD 128000e1 0655a001 CR4: 00000000003706e0 # [ 53.534166] Call Trace: # [ 59.634145] Oops: 0003 [#16] SMP PTI [ 59.644348] CPU: 1 PID: 2017 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 59.653010] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 59.659818] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e [ 53.536895] ? execute_location+0x48/0x56 # [ 53.541371] [ 59.664972] Code: 53 48 c7 c3 54 8d 4f 8e 49 89 dc 48 89 da 49 81 ec b0 1e eb 8d 4c 89 e6 e8 ec 9e fd ff 48 89 df 4c 89 e1 48 c7 c6 b0 1e eb 8d a4 48 c7 c7 b8 11 ec 8e e8 d1 9e fd ff 5b 41 5c e9 b7 fe ff ff [ 59.692169] RSP: 0018:ffff97748282fe50 EFLAGS: 00010246 [ 59.698013] RAX: 000000000000003c RBX: ffffffff8e4f8d54 RCX: 0000000000646ea4 [ 59.705982] RDX: 0000000000000000 RSI: ffffffff8deb1eb0 RDI: ffffffff8e4f8d54 [ 59.713974] RBP: ffffffff8eec03c2 R08: 0000000000000000 R09: 0000000000000000 [ 59.721941] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000646ea4 [ 59.729907] R13: ffff97748282ff10 R14: ffff97748282ff10 R15: ffff928f84de7000 [ 59.737876] FS: 00007faf24325580(0000) GS:ffff928ffac80000(0000) knlGS:0000000000000000 [ 59.746914] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.753329] CR2: ffffffff8e4f8d54 CR3: 0000000100b0e003 CR4: 00000000003706e0 [ 59.761296] Call Trace: [ 59.764022] direct_entry.cold+0x2c/0x38 ? direct_entry.cold+0x2c/0x38 # [ 53.552155] ? full_proxy_wr[ 59.768404] full_proxy_write+0x56/0x80 [ 59.778894] vfs_write+0xea/0x390 [ 59.782590] ksys_write+0x68/0xe0 [ 59.786286] do_syscall_64+0x33/0x40 [ 59.790276] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 59.795905] RIP: 0033:0x7faf2424df33 [ 59.799883] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 59.820862] RSP: 002b:00007ffcc20b3248 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.829318] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007faf2424df33 [ 59.837285] RDX: 000000000000000b RSI: 00007faf2413e000 RDI: 0000000000000001 [ 59.845254] RBP: 00007faf2413e000 R08: 00007faf2413d010 R09: 0000000000000000 [ 59.853223] R10: 00007faf243481c0 R11: 0000000000000246 R12: 0000000000000001 [ 59.861191] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ite+0x56/0x80 # [ 53.556633] ? vfs_write+0xea/0x390 # [ 5[ 59.869160] 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_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 59.901803] CR2: ffffffff8e4f8d54 [ 59.905499] ---[ end trace 5d0f9ae5181b613a ]--- [ 59.910653] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 59.915030] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 [ 59.936013] RSP: 0018:ffff977481457e60 EFLAGS: 00010282 [ 59.941845] RAX: ffffffff8deb1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 59.949814] RDX: 0000000000000000 RSI: ffff928ffac1bf70 RDI: ffffffff8ead9a70 [ 59.957782] RBP: ffffffff8ef1b5a8 R08: 0000000000000001 R09: 0000000000000001 [ 59.965750] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 59.973718] R13: ffff977481457f10 R14: ffff977481457f10 R15: ffff928f82b0e000 [ 59.981688] FS: 00007faf24325580(0000) GS:ffff928ffac80000(0000) knlGS:0000000000000000 [ 59.990725] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.997139] CR2: ffffffff8e4f8d54 CR3: 0000000100b0e003 CR4: 00000000003706e0 3.560517] ? ksys_write+0x68/0xe0 # [ 53.564400] ? do_syscall_64+0x33/0x40 # [ 53.568585] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 53.574412] 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_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 53.607060] CR2: ffffffff905b3560 # [ 53.610749] ---[ end trace 5d0f9ae5181b612f ]--- # [ 53.615904] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 53.620272] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 # [ 53.641257] RSP: 0018:ffff977481457e60 EFLAGS: 00010282 # [ 53.647092] RAX: ffffffff8deb1ae0 RBX: 00000000000000[ 60.086184] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW 01 RCX: 0000000000000000 # [ 53.655067] RDX: 0000000000000000[ 60.098831] lkdtm: attempting good refcount_inc() without overflow RSI: ffff928ffac1bf70 RDI: ffffffff8ead9a70 # [ 53.663037] R[ 60.111953] lkdtm: attempting bad refcount_inc() overflow [ 60.124198] ------------[ cut here ]------------ BP: ffffffff8ef1b5a8 R08: 0000000000000001 R09: 0000000000000001[ 60.129356] refcount_t: saturated; leaking memory. # [ 53.671027] R10: 00000000ffffe000 R11: 3fffffffffffffff R[ 60.140953] WARNING: CPU: 1 PID: 2052 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 12: 0000000000000004 # [ 53.679009] R13: ffff977481457f10 R14[ 60.156472] 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_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 60.189110] CPU: 1 PID: 2052 Comm: cat Tainted: G D W 5.10.128-cip10 #1 : ffff977481457f10 R15: ffff928f82b0e000 # [ 53.686979] FS: [ 60.197787] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 00007f0cae58d580(0000) GS:ffff928ffac80000(0000) knlGS:000000000[ 60.210807] RIP: 0010:refcount_warn_saturate+0x49/0xf0 0000000 # [ 53.696015] CS: 0010 DS: 0000 ES: 0000 CR0: 00000[ 60.222764] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 6a 1e 76 01 00 75 f2 48 c7 c7 40 be e5 8e c6 05 5a 1e 76 01 01 e8 2d 1c 93 00 <0f> 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 be e5 8e c6 05 3a [ 60.249966] RSP: 0018:ffff9774828b7e48 EFLAGS: 00010286 00080050033 # [ 53.702431] CR2: ffffffff905b3560 CR3: 0000000[ 60.255829] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 10655a001 CR4: 00000000003706e0 # [ 53.710403] BUG: sleeping [ 60.270059] RDX: ffff928ffacac660 RSI: ffff928ffac9bf70 RDI: ffff928ffac9bf70 [ 60.284245] RBP: ffffffff8eec03cd R08: 0000000000000000 R09: 0000000000000000 function called from invalid context at include/linux/percpu-rws[ 60.292219] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 em.h:49 # [ 53.720315] in_atomic(): 0, irqs_disabled(): 1, no[ 60.306404] R13: ffff9774828b7f10 R14: ffff9774828b7f10 R15: ffff928f8597d000 [ 60.320593] FS: 00007fc1c705d580(0000) GS:ffff928ffac80000(0000) knlGS:0000000000000000 n_block: 0, pid: 1625, name: cat # [ 53.728770] INFO: lockdep[ 60.329636] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.342266] CR2: 00007fc1c6e76000 CR3: 0000000102b2a003 CR4: 00000000003706e0 is turned off. # [ 53.733145] irq event stamp: 0 # [ 53.7[ 60.350264] Call Trace: 36550] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 60.359205] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x94 # [ 53.743551] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 53.752687] softirqs last [ 60.381345] full_proxy_write+0x56/0x80 enabled at (0): [] copy_process+0x63c/0x1c80 [ 60.391846] vfs_write+0xea/0x390 [ 60.401761] ksys_write+0x68/0xe0 # [ 53.761822] softirqs last disabled at (0): [<00000000000000[ 60.405464] do_syscall_64+0x33/0x40 [ 60.415664] entry_SYSCALL_64_after_hwframe+0x44/0xa9 00>] 0x0 # [ 53.768821] CPU: 1 PID: 1625 Comm: cat Tainted: G[ 60.421308] RIP: 0033:0x7fc1c6f85f33 [ 60.431506] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 D W 5.10.128-cip10 #1 # [ 53.777471] Hardware n[ 60.452493] RSP: 002b:00007ffe77d60df8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.467162] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fc1c6f85f33 [ 60.475131] RDX: 0000000000000016 RSI: 00007fc1c6e76000 RDI: 0000000000000001 [ 60.483103] RBP: 00007fc1c6e76000 R08: 00007fc1c6e75010 R09: 0000000000000000 [ 60.491075] R10: 00007fc1c70801c0 R11: 0000000000000246 R12: 0000000000000001 [ 60.499059] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ame: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.784275] Ca[ 60.507075] irq event stamp: 0 [ 60.516690] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ll Trace: # [ 53.787016] dump_stack+0x77/0x97 # [ 53.7907[ 60.523695] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 60.539052] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 17] ___might_sleep.cold+0xa6/0xb6 # [ 53.801500] exit_signa[ 60.548222] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 60.561432] ---[ end trace 5d0f9ae5181b613b ]--- ls+0x1c/0x2d0 # [ 53.805488] do_exit+0xd5/0xb00 # [ 53.80[ 60.566589] lkdtm: Overflow detected: saturated 9009] ? ksys_write+0x68/0xe0 # [ 53.812905] rewind_stack_do_exit+0x17/0x20 # [ 53.817573] RIP: 0033:0x7f0cae4b5f33 # [ 53.821562] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 53.842538] RSP: 002b:00007fff7c403098 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 53.851010] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f0cae4b5f33 # [ 53.858980] RDX: 000000000000000a RSI: 00007f0cae3a6000 RDI: 0000000000000001 # [ 53.866950] RBP: 00007f0cae3a6000 R08: 00007f0cae3a5010 R09: 0000000000000000 # [ 53.874919] R10: 00007f0cae5b01c0 R11: 0000000000000246 R12: 0000000000000001 # [ 53.882888] R13: 0000000000000001 R14: 0000000000020000 R15:[ 60.655957] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW 0000000000020000 # EXEC_DATA: saw 'call trace:': ok ok 30 sel[ 60.665374] lkdtm: attempting good refcount_add() without overflow ftests: lkdtm: EXEC_DATA.sh # selftests: lkdtm: EXEC_STACK.sh [ 60.678494] lkdtm: attempting bad refcount_add() overflow [ 60.690739] ------------[ cut here ]------------ # Killed # [ 53.975882] lkdtm: Performing direct entry EXEC_S[ 60.695897] refcount_t: saturated; leaking memory. TACK # [ 53.983510] lkdtm: attempting ok execution at fffffff[ 60.707488] WARNING: CPU: 1 PID: 2084 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 f8deb1eb0 # [ 53.990034] lkdtm: attempting bad execution at f[ 60.723018] 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_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 60.755664] CPU: 1 PID: 2084 Comm: cat Tainted: G D W 5.10.128-cip10 #1 fff9774822b7e18 # [ 53.996652] kernel tried to execute NX-pro[ 60.764343] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 60.777364] RIP: 0010:refcount_warn_saturate+0x49/0xf0 tected page - exploit attempt? (uid: 0) # [ 54.005015] BUG: u[ 60.783106] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 6a 1e 76 01 00 75 f2 48 c7 c7 40 be e5 8e c6 05 5a 1e 76 01 01 e8 2d 1c 93 00 <0f> 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 be e5 8e c6 05 3a nable to handle page fault for address: ffff9774822b7e18 # [ [ 60.810296] RSP: 0018:ffff97748292fe48 EFLAGS: 00010286 54.012695] #PF: supervisor instruction fetch in kernel mode # [[ 60.822347] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 54.019014] #PF: error_code(0x0011) - permissions violation #[ 60.836534] RDX: ffff928ffacac660 RSI: ffff928ffac9bf70 RDI: ffff928ffac9bf70 [ 54.025235] PGD 100000067 P4D 100000067 PUD 100210067 PMD 10[ 60.850721] RBP: ffffffff8eec03e3 R08: 0000000000000000 R09: 0000000000000000 355f067 PTE 80000001029cb063 # [ 54.034280] Oops: 0011 [#6] S[ 60.864908] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 MP PTI # [ 54.044386] CPU: 3 PID: 1661 Comm: cat Tainted: G [ 60.879097] R13: ffff97748292ff10 R14: ffff97748292ff10 R15: ffff928f84029000 D W 5.10.128-cip10 #1 # [ 54.053035] Hardware nam[ 60.893286] FS: 00007f105da44580(0000) GS:ffff928ffac80000(0000) knlGS:0000000000000000 e: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.059842] RIP:[ 60.908549] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0010:0xffff9774822b7e18 # [ 54.064217] Code: 00 00 18 7e 2b [ 60.921181] CR2: 00007f105d85d000 CR3: 0000000104e62002 CR4: 00000000003706e0 82 74 97 ff ff ad 8d 4f 8e ff ff ff ff 20 00 00 00 00 00 00 00 3[ 60.935362] Call Trace: e 03 ec 8e ff ff ff ff d9 8e 4f 8e ff ff ff ff <0f> 1f 44 00 00 [ 60.944310] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa3 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 # [ 54.085[ 60.955874] direct_entry.cold+0x2c/0x38 201] RSP: 0018:ffff9774822b7df8 EFLAGS: 00010246 # [ 54.09103[ 60.966470] full_proxy_write+0x56/0x80 5] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 000000000000[ 60.976968] vfs_write+0xea/0x390 0000 # [ 54.099012] RDX: 0000000000000000 RSI: ffff928ffad9bf[ 60.986884] ksys_write+0x68/0xe0 70 RDI: ffff928ffad9bf70 # [ 54.106981] RBP: ffff9774822b7e18[ 60.996799] do_syscall_64+0x33/0x40 R08: 0000000000000000 R09: 0000000000000000 # [ 54.114950] R[ 61.007005] entry_SYSCALL_64_after_hwframe+0x44/0xa9 10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b[ 61.018863] RIP: 0033:0x7f105d96cf33 # [ 54.122918] R13: ffff9774822b7f10 R14: ffff9774822b7f10 R[ 61.029069] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 15: ffff928f83515000 # [ 54.130888] FS: 00007f39032db580(000[ 61.056268] RSP: 002b:00007ffd09a6f478 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 61.070942] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f105d96cf33 0) GS:ffff928ffad80000(0000) knlGS:0000000000000000 # [ 54.13[ 61.078918] RDX: 0000000000000016 RSI: 00007f105d85d000 RDI: 0000000000000001 [ 61.093100] RBP: 00007f105d85d000 R08: 00007f105d85c010 R09: 0000000000000000 9926] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 5[ 61.101077] R10: 00007f105da671c0 R11: 0000000000000246 R12: 0000000000000001 [ 61.115258] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 4.146341] CR2: ffff9774822b7e18 CR3: 000000010444c001 CR4: 00000[ 61.123235] irq event stamp: 0 000003706e0 # [ 54.154311] Call Trace: # [ 54.157040] ? e[ 61.132852] hardirqs last enabled at (0): [<0000000000000000>] 0x0 xecute_location+0x48/0x56 # [ 54.161514] ? lkdtm_EXEC_STACK+[ 61.146071] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 0x26/0x40 # [ 54.166012] ? direct_entry.cold+0x2c/0x38 # [ [ 61.161420] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 61.176774] softirqs last disabled at (0): [<0000000000000000>] 0x0 54.170585] ? full_proxy_write+0x56/0x80 # [ 54.175063] ? [ 61.183778] ---[ end trace 5d0f9ae5181b613c ]--- [ 61.195144] lkdtm: Overflow detected: saturated vfs_write+0xea/0x390 # [ 54.178954] ? ksys_write+0x68/0xe0 # [ 54.182842] ? do_syscall_64+0x33/0x40 # [ 54.187026] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 54.192859] 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_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 54.219316] CR2: ffff9774822b7e18 # [ 54.229227] ---[ end trace 5d0f9ae5181b6130 ]--- # [ 54.234382] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 54.238758] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 # [ 54.259741] RSP: 0018:[ 61.279857] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW ffff977481457e60 EFLAGS: 00010282 # [ 54.265574] RAX: fffffff[ 61.288579] lkdtm: attempting bad refcount_inc_not_zero() overflow f8deb1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.[ 61.301703] ------------[ cut here ]------------ [ 61.313072] refcount_t: saturated; leaking memory. 273544] RDX: 0000000000000000 RSI: ffff928ffac1bf70 RDI: fffffff[ 61.318438] WARNING: CPU: 1 PID: 2116 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 f8ead9a70 # [ 54.281513] RBP: ffffffff8ef1b5a8 R08: 000000000[ 61.333969] 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_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0000001 R09: 0000000000000001 # [ 54.289482] R10: 00000000fff[ 61.366611] CPU: 1 PID: 2116 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 61.381481] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 61.388291] RIP: 0010:refcount_warn_saturate+0x87/0xf0 fe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 54.2974[ 61.394032] Code: 05 3a 1e 76 01 01 e8 0e 1c 93 00 0f 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 be e5 8e c6 05 1d 1e 76 01 01 e8 ef 1b 93 00 <0f> 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 be e5 8e c6 05 fb 52] R13: ffff977481457f10 R14: ffff977481457f10 R15: ffff928f82b[ 61.421242] RSP: 0018:ffff97748297fe38 EFLAGS: 00010282 0e000 # [ 54.305420] FS: 00007f39032db580(0000) GS:ffff928ff[ 61.433295] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 61.447482] RDX: ffff928ffacac660 RSI: ffff928ffac9bf70 RDI: ffff928ffac9bf70 ad80000(0000) knlGS:0000000000000000 # [ 54.314459] CS: 0010[ 61.455454] RBP: ffffffff8eec0020 R08: 0000000000000000 R09: 0000000000000000 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.320873] CR2: [ 61.469658] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f ffff9774822b7e18 CR3: 000000010444c001 CR4: 00000000003706e0 # [ 61.483828] R13: ffff97748297ff10 R14: ffff97748297ff10 R15: ffff928f82744000 [ 61.498017] FS: 00007f696b2e0580(0000) GS:ffff928ffac80000(0000) knlGS:0000000000000000 EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_[ 61.507070] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.519700] CR2: 00007f696b0f9000 CR3: 00000001058a8002 CR4: 00000000003706e0 [ 61.527673] Call Trace: STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 5[ 61.530403] __refcount_add_not_zero.constprop.0+0x2a/0x31 4.398666] lkdtm: Performing direct entry EXEC_KMALLOC # [ 54.[ 61.542744] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x72 [ 61.555184] direct_entry.cold+0x2c/0x38 409349] lkdtm: attempting ok execution at ffffffff8deb1eb0 # [ [ 61.559566] full_proxy_write+0x56/0x80 54.422058] lkdtm: attempting bad execution at ffff928f83236a80[ 61.570061] vfs_write+0xea/0x390 # [ 54.434878] kernel tried to execute NX-protected page - e[ 61.579979] ksys_write+0x68/0xe0 [ 61.589895] do_syscall_64+0x33/0x40 xploit attempt? (uid: 0) # [ 54.449448] BUG: unable to handle[ 61.593886] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 61.605737] RIP: 0033:0x7f696b208f33 page fault for address: ffff928f83236a80 # [ 54.457128] #PF:[ 61.609729] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 61.636921] RSP: 002b:00007ffd07fb9208 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 supervisor instruction fetch in kernel mode # [ 54.463438] #[ 61.645383] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f696b208f33 [ 61.659564] RDX: 000000000000001f RSI: 00007f696b0f9000 RDI: 0000000000000001 [ 61.667537] RBP: 00007f696b0f9000 R08: 00007f696b0f8010 R09: 0000000000000000 [ 61.675506] R10: 00007f696b3031c0 R11: 0000000000000246 R12: 0000000000000001 [ 61.683478] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 PF: error_code(0x0011) - permissions violation # [ 54.469660][ 61.691454] irq event stamp: 0 [ 61.701075] hardirqs last enabled at (0): [<0000000000000000>] 0x0 PGD 14a01067 P4D 14a01067 PUD 10084b063 PMD 10324c063 PTE 80000[ 61.708079] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 00103236163 # [ 54.478511] Oops: 0011 [#7] SMP PTI # [ 54.[ 61.723430] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 61.738784] softirqs last disabled at (0): [<0000000000000000>] 0x0 488615] CPU: 1 PID: 1697 Comm: cat Tainted: G D W 5[ 61.745785] ---[ end trace 5d0f9ae5181b613d ]--- [ 61.757151] lkdtm: Overflow detected: saturated .10.128-cip10 #1 # [ 54.497265] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.504071] RIP: 0010:0xffff928f83236a80 # [ 54.508449] Code: ff ff fc 64 b6 6b 0b 67 44 2d ba a5 c2 21 1a e8 35 55 00 10 00 00 00 00 00 00 40 44 1e 04 bf cc ff ff 00 10 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 # [ 54.529432] RSP: 0018:ffff977482347e38 EFLAGS: 00010246 # [ 54.535267] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.543237] RDX: 0000000000000000 RSI: ffff928ffac9bf70 RDI: ffff928ffac9bf70 # [ 54.551206] RBP: ffff928f83236a80 R08: 0000000000000000 R09: 0000000000000000 # [ 54.559176] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 54.567144] R13: ffff977482347f10 R14: ffff977482347f10 R15: ffff928f858e8[ 61.839647] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW [ 61.850594] lkdtm: attempting bad refcount_add_not_zero() overflow [ 61.857530] ------------[ cut here ]------------ [ 61.862723] refcount_t: saturated; leaking memory. [ 61.868134] WARNING: CPU: 2 PID: 2148 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 000 # [ 54.575113] FS: 00007ff1a813e580(0000) GS:ffff928ffac[ 61.877473] 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_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 61.910108] CPU: 2 PID: 2148 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 61.918758] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 61.925566] RIP: 0010:refcount_warn_saturate+0x87/0xf0 [ 61.931307] Code: 05 3a 1e 76 01 01 e8 0e 1c 93 00 0f 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 be e5 8e c6 05 1d 1e 76 01 01 e8 ef 1b 93 00 <0f> 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 be e5 8e c6 05 fb [ 61.952297] RSP: 0018:ffff977482a07e38 EFLAGS: 00010282 [ 61.958136] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 61.966109] RDX: ffff928ffad2c660 RSI: ffff928ffad1bf70 RDI: ffff928ffad1bf70 80000(0000) knlGS:0000000000000000 # [ 54.584150] CS: 0010 D[ 61.974083] RBP: ffffffff8eec0040 R08: 0000000000000000 R09: 0000000000000000 [ 61.988271] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 61.996243] R13: ffff977482a07f10 R14: ffff977482a07f10 R15: ffff928f832e7000 [ 62.004216] FS: 00007f6cf8770580(0000) GS:ffff928ffad00000(0000) knlGS:0000000000000000 [ 62.013257] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.019673] CR2: 00007f6cf8589000 CR3: 0000000104102006 CR4: 00000000003706e0 [ 62.027665] Call Trace: S: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.590565] CR2: ff[ 62.030407] __refcount_add_not_zero.constprop.0+0x2a/0x31 [ 62.042741] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x72 [ 62.048966] direct_entry.cold+0x2c/0x38 [ 62.053347] full_proxy_write+0x56/0x80 [ 62.057630] vfs_write+0xea/0x390 [ 62.061330] ksys_write+0x68/0xe0 [ 62.065033] do_syscall_64+0x33/0x40 [ 62.069025] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 62.074667] RIP: 0033:0x7f6cf8698f33 [ 62.078657] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 62.099645] RSP: 002b:00007ffd64b646b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 62.108103] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f6cf8698f33 [ 62.116075] RDX: 000000000000001f RSI: 00007f6cf8589000 RDI: 0000000000000001 [ 62.124058] RBP: 00007f6cf8589000 R08: 00007f6cf8588010 R09: 0000000000000000 [ 62.132030] R10: 00007f6cf87931c0 R11: 0000000000000246 R12: 0000000000000001 [ 62.140015] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ff928f83236a80 CR3: 00000001058a8006 CR4: 00000000003706e0 # [ [ 62.147989] irq event stamp: 0 [ 62.157607] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 62.164611] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 62.173751] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 62.182888] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 62.189879] ---[ end trace 5d0f9ae5181b613e ]--- [ 62.195028] lkdtm: Overflow detected: saturated 54.598534] Call Trace: # [ 54.601262] ? execute_location+0x48/0x56 # [ 54.605740] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 54.616620] ? direct_entry.cold+0x2c/0x38 # [ 54.621193] ? full_proxy_write+0x56/0x80 # [ 54.625669] ? vfs_write+0xea/0x390 # [ 54.629561] ? ksys_write+0x68/0xe0 # [ 54.633444] ? do_syscall_64+0x33/0x40 # [ 54.637626] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 54.643460] 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_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 54.676103] CR2: ffff928f83236a80 # [ 54.679792] ---[ end trace 5d0f9ae5181b6131 ]--- # [ 54.684947] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ [ 62.276374] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO 54.689313] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 [ 62.287256] lkdtm: attempting good refcount_dec() ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc c[ 62.298728] lkdtm: attempting bad refcount_dec() to zero c 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 62.310871] ------------[ cut here ]------------ 00 83 05 30 1a 70 02 # [ 54.710297] RSP: 0018:ffff977481457e6[ 62.322246] refcount_t: decrement hit 0; leaking memory. 0 EFLAGS: 00010282 # [ 54.716130] RAX: ffffffff8deb1ae0 RBX: [ 62.334418] WARNING: CPU: 1 PID: 2180 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 0000000000000001 RCX: 0000000000000000 # [ 54.724099] RDX: 00[ 62.349934] 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_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 00000000000000 RSI: ffff928ffac1bf70 RDI: ffffffff8ead9a70 # [ [ 62.382599] CPU: 1 PID: 2180 Comm: cat Tainted: G D W 5.10.128-cip10 #1 54.732070] RBP: ffffffff8ef1b5a8 R08: 0000000000000001 R09: 00[ 62.397446] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 00000000000001 # [ 54.740038] R10: 00000000ffffe000 R11: 3fff[ 62.410469] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 [ 62.422425] Code: ff 48 c7 c7 f0 be e5 8e c6 05 d6 1d 76 01 01 e8 ad 1b 93 00 0f 0b c3 48 c7 c7 c0 be e5 8e c6 05 c1 1d 76 01 01 e8 97 1b 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 ffffffffffff R12: 0000000000000004 # [ 54.748009] R13: ffff97[ 62.443408] RSP: 0018:ffff977482aa7e48 EFLAGS: 00010286 [ 62.455452] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 [ 62.463424] RDX: ffff928ffacac660 RSI: ffff928ffac9bf70 RDI: ffff928ffac9bf70 [ 62.471397] RBP: ffffffff8eec03f9 R08: 0000000000000000 R09: 0000000000000000 [ 62.479372] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 62.487343] R13: ffff977482aa7f10 R14: ffff977482aa7f10 R15: ffff928f85bc9000 [ 62.495315] FS: 00007f492abb8580(0000) GS:ffff928ffac80000(0000) knlGS:0000000000000000 7481457f10 R14: ffff977481457f10 R15: ffff928f82b0e000 # [ 54[ 62.504353] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 .755981] FS: 00007ff1a813e580(0000) GS:ffff928ffac80000(0000) k[ 62.517001] CR2: 00007f492a9d1000 CR3: 00000001032ae001 CR4: 00000000003706e0 [ 62.531198] Call Trace: nlGS:0000000000000000 # [ 54.765019] CS: 0010 DS: 0000 ES: 0[ 62.533931] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xb9 000 CR0: 0000000080050033 # [ 54.771434] CR2: ffff928f83236a8[ 62.545110] direct_entry.cold+0x2c/0x38 0 CR3: 00000001058a8006 CR4: 00000000003706e0 # [ 54.779405] [ 62.555731] full_proxy_write+0x56/0x80 [ 62.566231] vfs_write+0xea/0x390 BUG: sleeping function called from invalid context at include/li[ 62.569931] ksys_write+0x68/0xe0 [ 62.579842] do_syscall_64+0x33/0x40 nux/percpu-rwsem.h:49 # [ 54.789318] in_atomic(): 0, irqs_dis[ 62.583835] entry_SYSCALL_64_after_hwframe+0x44/0xa9 abled(): 1, non_block: 0, pid: 1697, name: cat # [ 54.797774][ 62.595689] RIP: 0033:0x7f492aae0f33 INFO: lockdep is turned off. # [ 54.802150] irq event stamp:[ 62.605898] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 0 # [ 54.805554] hardirqs last enabled at (0): [<0000000000[ 62.633095] RSP: 002b:00007ffe60c0dba8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 000000>] 0x0 # [ 54.812555] hardirqs last disabled at (0): [<[ 62.647769] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f492aae0f33 ffffffff8d6f9f9c>] copy_process+0x63c/0x1c80 # [ 54.821691] s[ 62.661954] RDX: 0000000000000012 RSI: 00007f492a9d1000 RDI: 0000000000000001 oftirqs last enabled at (0): [] copy_process+[ 62.676138] RBP: 00007f492a9d1000 R08: 00007f492a9d0010 R09: 0000000000000000 0x63c/0x1c80 # [ 54.830825] softirqs last disabled at (0): [<[ 62.690323] R10: 00007f492abdb1c0 R11: 0000000000000246 R12: 0000000000000001 0000000000000000>] 0x0 # [ 54.837824] CPU: 1 PID: 1697 Comm: [ 62.704507] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 cat Tainted: G D W 5.10.128-cip10 #1 # [ 54.8464[ 62.718694] irq event stamp: 0 73] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ [ 62.728312] hardirqs last enabled at (0): [<0000000000000000>] 0x0 54.853276] Call Trace: # [ 54.856015] dump_stack+0x77/0x97[ 62.741526] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 54.859713] ___might_sleep.cold+0xa6/0xb6 # [ 54.87049[ 62.756875] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 9] exit_signals+0x1c/0x2d0 # [ 54.874480] do_exit+0xd5/0xb0[ 62.772224] softirqs last disabled at (0): [<0000000000000000>] 0x0 0 # [ 54.877982] ? ksys_write+0x68/0xe0 # [ 54.881899] r[ 62.785441] ---[ end trace 5d0f9ae5181b613f ]--- ewind_stack_do_exit+0x17/0x20 # [ 54.886566] RIP: 0033:0x7ff1[ 62.796814] lkdtm: Zero detected: saturated a8066f33 # [ 54.890553] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 54.911537] RSP: 002b:00007ffdd7ef6ed8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 54.920010] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007ff1a8066f33 # [ 54.927979] RDX: 000000000000000d RSI: 00007ff1a7f57000 RDI: 0000000000000001 # [ 54.935948] RBP: 00007ff1a7f57000 R08: 00007ff1a7f56010 R09: 0000000000000000 # [ 54.943918] R10: 00007ff1a81611c0 R11: 0000000000000246 R12: 0000000000000001 # [ 54.951887] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_KMALLOC: saw 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # selftests: lk[ 62.882452] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE dtm: EXEC_VMALLOC.sh # Killed # [ 55.048302] lkdtm: Performi[ 62.895221] lkdtm: attempting bad refcount_dec() below zero ng direct entry EXEC_VMALLOC # [ 55.059003] lkdtm: attempting[ 62.907660] ------------[ cut here ]------------ ok execution at ffffffff8deb1eb0 # [ 55.071701] lkdtm: attem[ 62.919028] refcount_t: decrement hit 0; leaking memory. pting bad execution at ffff9774806c5000 # [ 55.084523] kernel[ 62.931208] WARNING: CPU: 1 PID: 2215 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 tried to execute NX-protected page - exploit attempt? (uid: 0)[ 62.946725] 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_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 55.099080] BUG: unable to handle page fault for address: [ 62.979395] CPU: 1 PID: 2215 Comm: cat Tainted: G D W 5.10.128-cip10 #1 ffff9774806c5000 # [ 55.106758] #PF: supervisor instruction f[ 62.994266] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 63.007288] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 etch in kernel mode # [ 55.113077] #PF: error_code(0x0011) - [ 63.013029] Code: ff 48 c7 c7 f0 be e5 8e c6 05 d6 1d 76 01 01 e8 ad 1b 93 00 0f 0b c3 48 c7 c7 c0 be e5 8e c6 05 c1 1d 76 01 01 e8 97 1b 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 [ 63.040225] RSP: 0018:ffff977482b3fe48 EFLAGS: 00010286 permissions violation # [ 55.119297] PGD 100000067 P4D 100000[ 63.046063] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 [ 63.060248] RDX: ffff928ffacac660 RSI: ffff928ffac9bf70 RDI: ffff928ffac9bf70 067 PUD 100210067 PMD 104fa2067 PTE 8000000102ac8063 # [ 55.1[ 63.068221] RBP: ffffffff8eec040b R08: 0000000000000000 R09: 0000000000000000 [ 63.082407] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 63.090381] R13: ffff977482b3ff10 R14: ffff977482b3ff10 R15: ffff928f8348a000 28345] Oops: 0011 [#8] SMP PTI # [ 55.132236] CPU: 0 PID: 173[ 63.098355] FS: 00007f178007c580(0000) GS:ffff928ffac80000(0000) knlGS:0000000000000000 [ 63.113604] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 3 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ [ 63.120025] CR2: 00007f177fe95000 CR3: 000000010325c004 CR4: 00000000003706e0 [ 63.134209] Call Trace: 55.140884] Hardware name: Google Rammus/Rammus, BIOS 09/04/202[ 63.136943] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x5d 0 # [ 55.147690] RIP: 0010:0xffff9774806c5000 # [ 55.15206[ 63.148507] direct_entry.cold+0x2c/0x38 9] Code: Unable to access opcode bytes at RIP 0xffff9774806c4fd6[ 63.159103] full_proxy_write+0x56/0x80 . # [ 55.159745] RSP: 0018:ffff9774823e7e38 EFLAGS: 00010246[ 63.169624] vfs_write+0xea/0x390 # [ 55.165578] RAX: 0000000000000033 RBX: 0000000000000001 RC[ 63.179536] ksys_write+0x68/0xe0 [ 63.189452] do_syscall_64+0x33/0x40 [ 63.193445] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 63.199092] RIP: 0033:0x7f177ffa4f33 [ 63.203084] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 63.224076] RSP: 002b:00007ffc665be568 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 63.232537] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f177ffa4f33 [ 63.240511] RDX: 0000000000000016 RSI: 00007f177fe95000 RDI: 0000000000000001 [ 63.248485] RBP: 00007f177fe95000 R08: 00007f177fe94010 R09: 0000000000000000 [ 63.256456] R10: 00007f178009f1c0 R11: 0000000000000246 R12: 0000000000000001 X: 0000000000000000 # [ 55.173548] RDX: 0000000000000000 RSI:[ 63.264428] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ffff928ffac1bf70 RDI: ffff928ffac1bf70 # [ 55.181516] RBP: f[ 63.278618] irq event stamp: 0 [ 63.288239] hardirqs last enabled at (0): [<0000000000000000>] 0x0 fff9774806c5000 R08: 0000000000000000 R09: 0000000000000000 # [[ 63.295245] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 55.189486] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0[ 63.310594] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 63.325946] softirqs last disabled at (0): [<0000000000000000>] 0x0 00000000000000d # [ 55.197455] R13: ffff9774823e7f10 R14: fff[ 63.332948] ---[ end trace 5d0f9ae5181b6140 ]--- [ 63.344314] lkdtm: Negative detected: saturated f9774823e7f10 R15: ffff928f82ac8000 # [ 55.205424] FS: 00007ff335d45580(0000) GS:ffff928ffac00000(0000) knlGS:0000000000000000 # [ 55.214462] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.220878] CR2: ffff9774806c4fd6 CR3: 0000000102a7a001 CR4: 00000000003706f0 # [ 55.228846] Call Trace: # [ 55.231576] ? execute_location+0x48/0x56 # [ 55.236057] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 55.240731] ? direct_entry.cold+0x2c/0x38 # [ 55.245303] ? full_proxy_write+0x56/0x80 # [ 55.249784] ? vfs_write+0xea/0x390 # [ 55.253675] ? ksys_write+0x68/0xe0 # [ 55.257567] ? do_syscall_64+0x33/0x40 # [ 55.261742] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 55.267576] 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_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 55.294017] CR2: ffff9774806c5000 # [ 55.297713] ---[ end trace 5d0f9ae5181b6132 ]--- # [ 55.302868] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 55.307244] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff[ 63.465239] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1[ 63.475067] lkdtm: attempting bad refcount_dec_and_test() below zero [ 63.488413] ------------[ cut here ]------------ [ 63.493594] refcount_t: underflow; use-after-free. [ 63.498976] WARNING: CPU: 3 PID: 2250 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 [ 63.508323] 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_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 63.534770] CPU: 3 PID: 2250 Comm: cat Tainted: G D W 5.10.128-cip10 #1 f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 # [ 55.3[ 63.543424] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 63.556448] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 [ 63.562218] Code: 05 1d 1e 76 01 01 e8 ef 1b 93 00 0f 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 be e5 8e c6 05 fb 1d 76 01 01 e8 d0 1b 93 00 <0f> 0b c3 80 3d ea 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 f0 be e5 [ 63.583202] RSP: 0018:ffff977482bd7e40 EFLAGS: 00010286 [ 63.589052] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 [ 63.597061] RDX: ffff928ffadac660 RSI: ffff928ffad9bf70 RDI: ffff928ffad9bf70 [ 63.605034] RBP: ffffffff8eec0060 R08: 0000000000000000 R09: 0000000000000000 [ 63.613013] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f 28226] RSP: 0018:ffff977481457e60 EFLAGS: 00010282 # [ 55.334[ 63.620986] R13: ffff977482bd7f10 R14: ffff977482bd7f10 R15: ffff928f8396d000 [ 63.635169] FS: 00007efcd58b9580(0000) GS:ffff928ffad80000(0000) knlGS:0000000000000000 [ 63.644208] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.650625] CR2: 00007efcd56d2000 CR3: 0000000100b0e006 CR4: 00000000003706e0 [ 63.658595] Call Trace: [ 63.661328] __refcount_sub_and_test.constprop.0+0x34/0x40 [ 63.667488] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x74 [ 63.673713] direct_entry.cold+0x2c/0x38 [ 63.678093] full_proxy_write+0x56/0x80 [ 63.682375] vfs_write+0xea/0x390 [ 63.686075] ksys_write+0x68/0xe0 [ 63.689776] do_syscall_64+0x33/0x40 [ 63.693768] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 63.699409] RIP: 0033:0x7efcd57e1f33 [ 63.703400] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 63.724388] RSP: 002b:00007fff384bd278 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 63.732846] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007efcd57e1f33 [ 63.740817] RDX: 000000000000001f RSI: 00007efcd56d2000 RDI: 0000000000000001 [ 63.748780] RBP: 00007efcd56d2000 R08: 00007efcd56d1010 R09: 0000000000000000 [ 63.756742] R10: 00007efcd58dc1c0 R11: 0000000000000246 R12: 0000000000000001 [ 63.764713] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 63.772675] irq event stamp: 0 [ 63.776082] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 63.783086] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 63.792225] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 63.801363] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 63.808357] ---[ end trace 5d0f9ae5181b6141 ]--- 058] RAX: ffffffff8deb1ae0 RBX: 0000000000000001 RCX: 0000000000[ 63.813514] lkdtm: Negative detected: saturated 000000 # [ 55.342029] RDX: 0000000000000000 RSI: ffff928ffac1bf70 RDI: ffffffff8ead9a70 # [ 55.349997] RBP: ffffffff8ef1b5a8 R08: 0000000000000001 R09: 0000000000000001 # [ 55.357966] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 55.365936] R13: ffff977481457f10 R14: ffff977481457f10 R15: ffff928f82b0e000 # [ 55.373905] FS: 00007ff335d45580(0000) GS:ffff928ffac00000(0000) knlGS:0000000000000000 # [ 55.382941] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.389356] CR2: ffff9774806c4fd6 CR3: 0000000102a7a001 CR4: 00000000003706f0 # EXEC_VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh # Killed # [ 55.575151] lkdtm: Performing direct entry EXEC_RODATA # [ 55.583304] lkdtm: attempting ok execution at ffffffff8deb1eb0 # [ 55.589821] lkdtm: attempting bad execution at ffffffff8ead9f00 # [ 55.596458] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 55.604822] BUG: unable to handle page fault for address: ffffffff8ead9f00 # [ 55.618715] #PF: supervisor instruction fetch in kernel mode[ 63.934750] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE [ 63.944425] lkdtm: attempting bad refcount_sub_and_test() below zero [ 63.951554] ------------[ cut here ]------------ [ 63.956732] refcount_t: underflow; use-after-free. [ 63.962116] WARNING: CPU: 3 PID: 2285 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 [ 63.971448] 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_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 63.997895] CPU: 3 PID: 2285 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 64.006546] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 64.013353] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 [ 64.019091] Code: 05 1d 1e 76 01 01 e8 ef 1b 93 00 0f 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 be e5 8e c6 05 fb 1d 76 01 01 e8 d0 1b 93 00 <0f> 0b c3 80 3d ea 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 f0 be e5 [ 64.040077] RSP: 0018:ffff977482c2fe40 EFLAGS: 00010286 [ 64.045913] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 [ 64.053885] RDX: ffff928ffadac660 RSI: ffff928ffad9bf70 RDI: ffff928ffad9bf70 [ 64.061848] RBP: ffffffff8eec0080 R08: 0000000000000000 R09: 0000000000000000 [ 64.069820] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 64.077793] R13: ffff977482c2ff10 R14: ffff977482c2ff10 R15: ffff928f83094000 [ 64.085767] FS: 00007f3e4a0c8580(0000) GS:ffff928ffad80000(0000) knlGS:0000000000000000 # [ 55.625036] #PF: error_code(0x0011) - permissions violatio[ 64.094810] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.107445] CR2: 00007f3e49ee1000 CR3: 0000000103964002 CR4: 00000000003706e0 [ 64.115420] Call Trace: [ 64.118154] __refcount_sub_and_test.constprop.0+0x34/0x40 [ 64.124315] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x77 [ 64.130572] direct_entry.cold+0x2c/0x38 [ 64.134981] full_proxy_write+0x56/0x80 [ 64.139295] vfs_write+0xea/0x390 n # [ 55.631250] PGD 13429067 P4D 13429067 PUD 1342a063 PMD 8[ 64.143015] ksys_write+0x68/0xe0 [ 64.152957] do_syscall_64+0x33/0x40 000000012e000e1 # [ 55.638737] Oops: 0011 [#9] SMP PTI # [ [ 64.156961] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 64.168807] RIP: 0033:0x7f3e49ff0f33 [ 64.172799] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 64.193786] RSP: 002b:00007ffee21ab4e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 64.202247] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f3e49ff0f33 [ 64.210219] RDX: 000000000000001f RSI: 00007f3e49ee1000 RDI: 0000000000000001 [ 64.218193] RBP: 00007f3e49ee1000 R08: 00007f3e49ee0010 R09: 0000000000000000 [ 64.226165] R10: 00007f3e4a0eb1c0 R11: 0000000000000246 R12: 0000000000000001 [ 64.234139] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 64.242115] irq event stamp: 0 [ 64.245554] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 64.252557] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 64.261721] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 64.270860] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 64.277862] ---[ end trace 5d0f9ae5181b6142 ]--- [ 64.283019] lkdtm: Negative detected: saturated 55.642629] CPU: 3 PID: 1769 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 55.651279] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.658086] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 55.663823] Code: ff ff d9 a2 4f 8e ff ff ff ff 8a 05 ec 8e ff ff ff ff 8f 8a 4f 8e 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 # [ 55.684796] RSP: 0018:ffff97748244fe48 EFLAGS: 00010246 # [ 55.690629] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 55.698597] RDX: 0000000000000000 RSI: ffff928ffad9bf70 RDI: ffff928ffad9bf70 # [ 55.706565] RBP: ffffffff8ead9f00 R08: 0000000000000000 R09: 0000000000000000 # [ 55.714534] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 55.722503] R13: ffff97748244ff10 R14: ffff97748244ff10[ 64.371915] lkdtm: Performing direct entry REFCOUNT_INC_ZERO [ 64.381447] lkdtm: attempting safe refcount_inc_not_zero() from zero [ 64.388556] lkdtm: Good: zero detected R15: ffff928f83467000 # [ 55.730472] FS: 00007f7520742580(0[ 64.392751] lkdtm: Correctly stayed at zero 000) GS:ffff928ffad80000(0000) knlGS:0000000000000000 # [ 55.[ 64.403637] lkdtm: attempting bad refcount_inc() from zero 739510] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ [ 64.415982] ------------[ cut here ]------------ 55.745924] CR2: ffffffff8ead9f00 CR3: 00000001058f6003 CR4: 000[ 64.427353] refcount_t: addition on 0; use-after-free. 00000003706e0 # [ 55.753892] Call Trace: # [ 55.756620] ?[ 64.439318] WARNING: CPU: 2 PID: 2317 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 execute_location+0x48/0x56 # [ 55.761093] ? direct_entry.co[ 64.454851] 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_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ld+0x2c/0x38 # [ 55.765664] ? full_proxy_write+0x56/0x80 # [ 64.487499] CPU: 2 PID: 2317 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 55.770129] ? vfs_write+0xea/0x390 # [ 55.774012] ? ksys[ 64.502364] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 _write+0x68/0xe0 # [ 55.777896] ? do_syscall_64+0x33/0x40 #[ 64.515383] RIP: 0010:refcount_warn_saturate+0x68/0xf0 [ 55.782079] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [[ 64.527334] Code: 05 5a 1e 76 01 01 e8 2d 1c 93 00 0f 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 be e5 8e c6 05 3a 1e 76 01 01 e8 0e 1c 93 00 <0f> 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 be e5 8e c6 05 1d 55.787905] Modules linked in: fuse ip_tables cros_ec_sensors [ 64.554530] RSP: 0018:ffff977482cafe48 EFLAGS: 00010286 cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf ind[ 64.566582] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 ustrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec[ 64.580770] RDX: ffff928ffad2c660 RSI: ffff928ffad1bf70 RDI: ffff928ffad1bf70 [ 64.594958] RBP: ffffffff8eec0421 R08: 0000000000000000 R09: 0000000000000000 _sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros[ 64.602931] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 _usbpd_notify # [ 55.814366] CR2: ffffffff8ead9f00 # [ 55.[ 64.617116] R13: ffff977482caff10 R14: ffff977482caff10 R15: ffff928f83484000 818063] ---[ end trace 5d0f9ae5181b6133 ]--- # [ 55.823208] R[ 64.631302] FS: 00007fbe205b7580(0000) GS:ffff928ffad00000(0000) knlGS:0000000000000000 IP: 0010:lkdtm_BUG+0x5/0x10 # [ 55.827582] Code: 5b a5 ff 48 [ 64.646554] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.659187] CR2: 00007fbe203d0000 CR3: 0000000104eb0003 CR4: 00000000003706e0 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff f[ 64.667158] Call Trace: f ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f [ 64.676104] lkdtm_REFCOUNT_INC_ZERO+0x99/0xbd 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 # [ 55.[ 64.687278] direct_entry.cold+0x2c/0x38 848565] RSP: 0018:ffff977481457e60 EFLAGS: 00010282 # [ 55.85[ 64.697873] full_proxy_write+0x56/0x80 4399] RAX: ffffffff8deb1ae0 RBX: 0000000000000001 RCX: 000000000[ 64.708370] vfs_write+0xea/0x390 0000000 # [ 55.862367] RDX: 0000000000000000 RSI: ffff928ffac[ 64.718285] ksys_write+0x68/0xe0 1bf70 RDI: ffffffff8ead9a70 # [ 55.870337] RBP: ffffffff8ef1b[ 64.728203] do_syscall_64+0x33/0x40 5a8 R08: 0000000000000001 R09: 0000000000000001 # [ 55.878307[ 64.738406] entry_SYSCALL_64_after_hwframe+0x44/0xa9 ] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000[ 64.750263] RIP: 0033:0x7fbe204dff33 004 # [ 55.886277] R13: ffff977481457f10 R14: ffff977481457f1[ 64.760468] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 0 R15: ffff928f82b0e000 # [ 55.894246] FS: 00007f7520742580([ 64.787666] RSP: 002b:00007fff41dbddf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 0000) GS:ffff928ffad80000(0000) knlGS:0000000000000000 # [ 55[ 64.802342] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fbe204dff33 [ 64.816529] RDX: 0000000000000012 RSI: 00007fbe203d0000 RDI: 0000000000000001 .903282] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ [ 64.824500] RBP: 00007fbe203d0000 R08: 00007fbe203cf010 R09: 0000000000000000 [ 64.838683] R10: 00007fbe205da1c0 R11: 0000000000000246 R12: 0000000000000001 55.909698] CR2: ffffffff8ead9f00 CR3: 00000001058f6003 CR4: 00[ 64.846652] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000000003706e0 # EXEC_RODATA: saw 'call trace:': ok ok 34 self[ 64.860840] irq event stamp: 0 tests: lkdtm: EXEC_RODATA.sh # selftests: lkdtm: EXEC_USERSPACE[ 64.870458] hardirqs last enabled at (0): [<0000000000000000>] 0x0 .sh # Killed # [ 56.010434] lkdtm: Performing direct entry E[ 64.883678] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 64.899031] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 64.908170] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 64.915173] ---[ end trace 5d0f9ae5181b6143 ]--- [ 64.920328] lkdtm: Zero detected: saturated XEC_USERSPACE # [ 56.016972] lkdtm: attempting ok execution at ffffffff8deb1eb0 # [ 56.029702] lkdtm: attempting bad execution at 00007f1a72191000 # [ 56.042547] unable to execute userspace code (SMEP?) (uid: 0) # [ 56.055158] BUG: unable to handle page fault for address: 00007f1a72191000 # [ 56.062837] #PF: supervisor instruction fetch in kernel mode # [ 56.069154] #PF: error_code(0x0011) - permissions violation # [ 56.075377] PGD 80000001029e3067 P4D 80000001029e3067 PUD 100852067 PMD 103601067 PTE 106820067 # [ 56.091315] Oops: 0011 [#10] SMP PTI # [ 56.095295] CPU: 1 PID: 1805 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 56.103936] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.110742] RIP: 0010:0x7f1a72191000 # [ 56.114721] Code: Unable to access opcode bytes at RIP 0x7f1a72190fd6. # [ 56.122011] RSP: 0018:ffff97748250fe50 EFLAGS: 00010246 # [ 56.127835] RAX: 000000000000[ 65.016151] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO [ 65.024587] lkdtm: attempting safe refcount_add_not_zero() from zero [ 65.031722] lkdtm: Good: zero detected 0033 RBX: 0000000000000024 RCX: 0000000000000000 # [ 56.13580[ 65.035933] lkdtm: Correctly stayed at zero 6] RDX: 0000000000000000 RSI: ffff928ffac9bf70 RDI: ffff928ffac9[ 65.046815] lkdtm: attempting bad refcount_add() from zero [ 65.059168] ------------[ cut here ]------------ [ 65.064350] refcount_t: addition on 0; use-after-free. [ 65.070130] WARNING: CPU: 2 PID: 2349 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 [ 65.079475] 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_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify bf70 # [ 56.143774] RBP: 00007f1a72191000 R08: 00000000000000[ 65.105939] CPU: 2 PID: 2349 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 65.120804] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 00 R09: 0000000000000000 # [ 56.151744] R10: 00000000ffffe000[ 65.127643] RIP: 0010:refcount_warn_saturate+0x68/0xf0 [ 65.139586] Code: 05 5a 1e 76 01 01 e8 2d 1c 93 00 0f 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 be e5 8e c6 05 3a 1e 76 01 01 e8 0e 1c 93 00 <0f> 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 be e5 8e c6 05 1d [ 65.160572] RSP: 0018:ffff977482d3fe48 EFLAGS: 00010286 [ 65.166408] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 [ 65.174379] RDX: ffff928ffad2c660 RSI: ffff928ffad1bf70 RDI: ffff928ffad1bf70 [ 65.182349] RBP: ffffffff8eec0433 R08: 0000000000000000 R09: 0000000000000000 [ 65.190321] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 65.198292] R13: ffff977482d3ff10 R14: ffff977482d3ff10 R15: ffff928f8274c000 [ 65.206263] FS: 00007f54e7e61580(0000) GS:ffff928ffad00000(0000) knlGS:0000000000000000 [ 65.215305] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.221722] CR2: 00007f54e7c7a000 CR3: 00000001065ce006 CR4: 00000000003706e0 [ 65.229693] Call Trace: [ 65.232427] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xbd [ 65.237424] direct_entry.cold+0x2c/0x38 [ 65.241837] full_proxy_write+0x56/0x80 [ 65.246123] vfs_write+0xea/0x390 [ 65.249854] ksys_write+0x68/0xe0 [ 65.253558] do_syscall_64+0x33/0x40 [ 65.257581] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 65.263225] RIP: 0033:0x7f54e7d89f33 [ 65.267219] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 65.288202] RSP: 002b:00007ffe41249c38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 65.296660] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f54e7d89f33 [ 65.304635] RDX: 0000000000000012 RSI: 00007f54e7c7a000 RDI: 0000000000000001 [ 65.312605] RBP: 00007f54e7c7a000 R08: 00007f54e7c79010 R09: 0000000000000000 R11: 3fffffffffffffff R12: 000000000000000f # [ 56.159705] R[ 65.320581] R10: 00007f54e7e841c0 R11: 0000000000000246 R12: 0000000000000001 [ 65.334769] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 65.342750] irq event stamp: 0 [ 65.346190] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 65.353194] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 65.362357] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 65.371497] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 65.378499] ---[ end trace 5d0f9ae5181b6144 ]--- [ 65.383656] lkdtm: Zero detected: saturated 13: ffff97748250ff10 R14: ffff97748250ff10 R15: ffff928f83516000 # [ 56.167674] FS: 00007f1a72162580(0000) GS:ffff928ffac80000(0000) knlGS:0000000000000000 # [ 56.176711] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.183126] CR2: 00007f1a72191000 CR3: 0000000104f34003 CR4: 00000000003706e0 # [ 56.191096] Call Trace: # [ 56.193824] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae # [ 56.199172] ? direct_entry.cold+0x2c/0x38 # [ 56.209959] ? full_proxy_write+0x56/0x80 # [ 56.214435] ? vfs_write+0xea/0x390 # [ 56.218318] ? ksys_write+0x68/0xe0 # [ 56.222209] ? do_syscall_64+0x33/0x40 # [ 56.226384] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 56.232220] 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_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify[ 65.479802] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 56.264861] CR2: 00007f1a72191000 # [ 56.268558] ---[ [ 65.488418] lkdtm: attempting bad refcount_inc() from saturated end trace 5d0f9ae5181b6134 ]--- # [ 56.273712] RIP: 0010:lkdt[ 65.501249] ------------[ cut here ]------------ [ 65.512621] refcount_t: saturated; leaking memory. m_BUG+0x5/0x10 # [ 56.278081] Code: 5b a5 ff 48 c7 c0 ea ff f[ 65.518003] WARNING: CPU: 1 PID: 2384 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 f ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc[ 65.533514] 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_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 0[ 65.566159] CPU: 1 PID: 2384 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 65.581023] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 0 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 # [ 56.299059] RSP: [ 65.587832] RIP: 0010:refcount_warn_saturate+0x49/0xf0 [ 65.599780] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 6a 1e 76 01 00 75 f2 48 c7 c7 40 be e5 8e c6 05 5a 1e 76 01 01 e8 2d 1c 93 00 <0f> 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 be e5 8e c6 05 3a 0018:ffff977481457e60 EFLAGS: 00010282 # [ 56.304894] RAX: ff[ 65.620773] RSP: 0018:ffff977482dc7e48 EFLAGS: 00010286 ffffff8deb1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ [ 65.632822] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 56.312862] RDX: 0000000000000000 RSI: ffff928ffac1bf70 RDI: ff[ 65.647015] RDX: ffff928ffacac660 RSI: ffff928ffac9bf70 RDI: ffff928ffac9bf70 [ 65.661202] RBP: ffffffff8eec0445 R08: 0000000000000000 R09: 0000000000000000 ffffff8ead9a70 # [ 56.320831] RBP: ffffffff8ef1b5a8 R08: 0000[ 65.669174] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 000000000001 R09: 0000000000000001 # [ 56.328801] R10: 000000[ 65.683381] R13: ffff977482dc7f10 R14: ffff977482dc7f10 R15: ffff928f85a61000 00ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 56[ 65.697550] FS: 00007f25c3e93580(0000) GS:ffff928ffac80000(0000) knlGS:0000000000000000 [ 65.712801] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 .336769] R13: ffff977481457f10 R14: ffff977481457f10 R15: ffff92[ 65.719219] CR2: 00007f25c3cac000 CR3: 0000000105a52002 CR4: 00000000003706e0 [ 65.733401] Call Trace: 8f82b0e000 # [ 56.344737] FS: 00007f1a72162580(0000) GS:ffff[ 65.736133] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x60 928ffac80000(0000) knlGS:0000000000000000 # [ 56.353776] CS: [ 65.747798] direct_entry.cold+0x2c/0x38 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.360191] [ 65.758394] full_proxy_write+0x56/0x80 [ 65.768889] vfs_write+0xea/0x390 CR2: 00007f1a72191000 CR3: 0000000104f34003 CR4: 00000000003706e[ 65.772589] ksys_write+0x68/0xe0 [ 65.782501] do_syscall_64+0x33/0x40 0 # [ 56.368162] BUG: sleeping function called from invalid c[ 65.786492] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 65.798344] RIP: 0033:0x7f25c3dbbf33 ontext at include/linux/percpu-rwsem.h:49 # [ 56.378066] in_a[ 65.802336] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 65.829529] RSP: 002b:00007ffd57381908 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 tomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1805, name: c[ 65.838014] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f25c3dbbf33 [ 65.852192] RDX: 0000000000000017 RSI: 00007f25c3cac000 RDI: 0000000000000001 [ 65.860164] RBP: 00007f25c3cac000 R08: 00007f25c3cab010 R09: 0000000000000000 [ 65.868135] R10: 00007f25c3eb61c0 R11: 0000000000000246 R12: 0000000000000001 [ 65.876108] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 at # [ 56.386520] INFO: lockdep is turned off. # [ 56.3908[ 65.884083] irq event stamp: 0 [ 65.893704] hardirqs last enabled at (0): [<0000000000000000>] 0x0 97] irq event stamp: 0 # [ 56.394303] hardirqs last enabled [ 65.900707] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 at (0): [<0000000000000000>] 0x0 # [ 56.401304] hardirqs last[ 65.916053] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 disabled at (0): [] copy_process+0x63c/0x1c80[ 65.931400] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 65.944614] ---[ end trace 5d0f9ae5181b6145 ]--- [ 65.949770] lkdtm: Saturation detected: still saturated # [ 56.410442] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 56.425791] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 56.432780] CPU: 1 PID: 1805 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 56.441430] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.448234] Call Trace: # [ 56.450961] dump_stack+0x77/0x97 # [ 56.454662] ___might_sleep.cold+0xa6/0xb6 # [ 56.465447] exit_signals+0x1c/0x2d0 # [ 56.469437] do_exit+0xd5/0xb00 # [ 56.472939] ? ksys_write+0x68/0xe0 # [ 56.476831] rewind_stack_do_exit+0x17/0x20 # [ 56.481492] RIP: 0033:0x7f1a7208af33 # [ 56.485481] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 56.506456] RSP: 002b:00007fff8aeda2d8 EFLAGS: 00000246 ORIG_RAX: 0[ 66.047520] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED [ 66.055649] lkdtm: attempting bad refcount_dec() from saturated [ 66.062291] ------------[ cut here ]------------ [ 66.067468] refcount_t: decrement hit 0; leaking memory. [ 66.073435] WARNING: CPU: 2 PID: 2419 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 [ 66.082765] 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_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 66.109215] CPU: 2 PID: 2419 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 66.117867] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 66.124677] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 [ 66.130440] Code: ff 48 c7 c7 f0 be e5 8e c6 05 d6 1d 76 01 01 e8 ad 1b 93 00 0f 0b c3 48 c7 c7 c0 be e5 8e c6 05 c1 1d 76 01 01 e8 97 1b 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 [ 66.151426] RSP: 0018:ffff977482e47e48 EFLAGS: 00010286 [ 66.157262] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 [ 66.165234] RDX: ffff928ffad2c660 RSI: ffff928ffad1bf70 RDI: ffff928ffad1bf70 [ 66.173206] RBP: ffffffff8eec045c R08: 0000000000000000 R09: 0000000000000000 [ 66.181176] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 000000000000001 # [ 56.514912] RAX: ffffffffffffffda RBX: 000[ 66.189140] R13: ffff977482e47f10 R14: ffff977482e47f10 R15: ffff928f834ae000 [ 66.203331] FS: 00007f245d0a0580(0000) GS:ffff928ffad00000(0000) knlGS:0000000000000000 [ 66.212367] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.218787] CR2: 00007f245ceb9000 CR3: 0000000104200005 CR4: 00000000003706e0 [ 66.226758] Call Trace: [ 66.229482] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5b [ 66.234960] direct_entry.cold+0x2c/0x38 [ 66.239343] full_proxy_write+0x56/0x80 [ 66.243649] vfs_write+0xea/0x390 [ 66.247349] ksys_write+0x68/0xe0 [ 66.251062] do_syscall_64+0x33/0x40 [ 66.255064] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 66.260707] RIP: 0033:0x7f245cfc8f33 [ 66.264697] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 66.285684] RSP: 002b:00007ffedc452338 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.294143] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f245cfc8f33 [ 66.302114] RDX: 0000000000000017 RSI: 00007f245ceb9000 RDI: 0000000000000001 [ 66.310084] RBP: 00007f245ceb9000 R08: 00007f245ceb8010 R09: 0000000000000000 [ 66.318063] R10: 00007f245d0c31c0 R11: 0000000000000246 R12: 0000000000000001 [ 66.326035] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 66.334029] irq event stamp: 0 [ 66.337437] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 66.344440] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 66.353599] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 66.362736] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 66.369738] ---[ end trace 5d0f9ae5181b6146 ]--- [ 66.374894] lkdtm: Saturation detected: still saturated 000000000000f RCX: 00007f1a7208af33 # [ 56.522883] RDX: 000000000000000f RSI: 00007f1a71f7b000 RDI: 0000000000000001 # [ 56.530852] RBP: 00007f1a71f7b000 R08: 00007f1a71f7a010 R09: 0000000000000000 # [ 56.538822] R10: 00007f1a721851c0 R11: 0000000000000246 R12: 0000000000000001 # [ 56.546792] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh # Killed # [ 56.680923] lkdtm: Performing direct entry EXEC_NULL # [ 56.690851] lkdtm: attempting ok execution at ffffffff8deb1eb0 # [ 56.697401] lkdtm: attempting bad execution at 0000000000000000 # [ 56.704041] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 56.711825] #PF: supervisor instruction fetch in kernel mode # [ 56.718141] #PF: error_code(0x0010) - not-present page # [ 56.723875] PGD 0 P4D 0 # [ 56.726699] Oops: 0010 [#11] SMP PTI # [ 56.730678] CPU: 3 PID: 1841 Comm: c[ 66.476090] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED [ 66.487018] lkdtm: attempting bad refcount_dec() from saturated [ 66.493673] ------------[ cut here ]------------ at Tainted: G D W 5.10.128-cip10 #1 # [ 56.73932[ 66.498857] refcount_t: saturated; leaking memory. 6] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ [ 66.510430] WARNING: CPU: 3 PID: 2454 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 [ 66.525963] 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_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 56.746129] RIP: 0010:0x0 # [ 56.749058] Code: Unable to acces[ 66.552426] CPU: 3 PID: 2454 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 66.567290] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 s opcode bytes at RIP 0xffffffffffffffd6. # [ 56.756736] RSP:[ 66.574133] RIP: 0010:refcount_warn_saturate+0x49/0xf0 [ 66.586076] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 6a 1e 76 01 00 75 f2 48 c7 c7 40 be e5 8e c6 05 5a 1e 76 01 01 e8 2d 1c 93 00 <0f> 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 be e5 8e c6 05 3a [ 66.607076] RSP: 0018:ffff977482ec7e48 EFLAGS: 00010286 [ 66.612914] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 [ 66.620884] RDX: ffff928ffadac660 RSI: ffff928ffad9bf70 RDI: ffff928ffad9bf70 [ 66.628858] RBP: ffffffff8eec0473 R08: 0000000000000000 R09: 0000000000000000 [ 66.636829] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 66.644802] R13: ffff977482ec7f10 R14: ffff977482ec7f10 R15: ffff928f841be000 [ 66.652777] FS: 00007efecaa3d580(0000) GS:ffff928ffad80000(0000) knlGS:0000000000000000 [ 66.661817] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.668233] CR2: 00007efeca856000 CR3: 0000000101260004 CR4: 00000000003706e0 [ 66.676205] Call Trace: [ 66.678938] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x60 [ 66.684417] direct_entry.cold+0x2c/0x38 [ 66.688830] full_proxy_write+0x56/0x80 [ 66.693116] vfs_write+0xea/0x390 [ 66.696847] ksys_write+0x68/0xe0 [ 66.700548] do_syscall_64+0x33/0x40 [ 66.704571] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 66.710215] RIP: 0033:0x7efeca965f33 [ 66.714208] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 66.735192] RSP: 002b:00007ffe9bf7b3c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.743652] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007efeca965f33 [ 66.751626] RDX: 0000000000000017 RSI: 00007efeca856000 RDI: 0000000000000001 [ 66.759599] RBP: 00007efeca856000 R08: 00007efeca855010 R09: 0000000000000000 [ 66.767572] R10: 00007efecaa601c0 R11: 0000000000000246 R12: 0000000000000001 [ 66.775545] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0018:ffff977482587e48 EFLAGS: 00010246 # [ 56.762568] RAX: 0[ 66.783522] irq event stamp: 0 [ 66.793142] hardirqs last enabled at (0): [<0000000000000000>] 0x0 000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [[ 66.800147] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 66.815497] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 66.824634] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 66.831637] ---[ end trace 5d0f9ae5181b6147 ]--- [ 66.836792] lkdtm: Saturation detected: still saturated 56.770537] RDX: 0000000000000000 RSI: ffff928ffad9bf70 RDI: ffff928ffad9bf70 # [ 56.778506] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 # [ 56.786474] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 56.794443] R13: ffff977482587f10 R14: ffff977482587f10 R15: ffff928f8591e000 # [ 56.802412] FS: 00007f3c418c4580(0000) GS:ffff928ffad80000(0000) knlGS:0000000000000000 # [ 56.811450] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.817864] CR2: ffffffffffffffd6 CR3: 0000000104e34006 CR4: 00000000003706e0 # [ 56.825833] Call Trace: # [ 56.828562] execute_location+0x48/0x56 # [ 56.832841] direct_entry.cold+0x2c/0x38 # [ 56.837219] full_proxy_write+0x56/0x80 # [ 56.841500] vfs_write+0xea/0x390 # [ 56.845197] ksys_write+0x68/0xe0 # [ 56.848895] do_syscall_64+0x33/0x40 # [ 56.852884] entry_[ 66.926781] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED [ 66.937363] lkdtm: attempting bad refcount_inc_not_zero() from saturated [ 66.944906] ------------[ cut here ]------------ SYSCALL_64_after_hwframe+0x44/0xa9 # [ 56.858523] RIP: 0033:0[ 66.950098] refcount_t: saturated; leaking memory. [ 66.961646] WARNING: CPU: 3 PID: 2486 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 [ 66.970990] 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_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 66.997433] CPU: 3 PID: 2486 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 67.006085] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 67.012895] RIP: 0010:refcount_warn_saturate+0x87/0xf0 [ 67.018633] Code: 05 3a 1e 76 01 01 e8 0e 1c 93 00 0f 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 be e5 8e c6 05 1d 1e 76 01 01 e8 ef 1b 93 00 <0f> 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 be e5 8e c6 05 fb [ 67.039619] RSP: 0018:ffff977482e4fe38 EFLAGS: 00010282 [ 67.045457] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 67.053432] RDX: ffff928ffadac660 RSI: ffff928ffad9bf70 RDI: ffff928ffad9bf70 [ 67.061405] RBP: ffffffff8eec00a0 R08: 0000000000000000 R09: 0000000000000000 x7f3c417ecf33 # [ 56.862510] Code: 8b 15 61 ef 0c 00 f7 d8 64[ 67.069379] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 [ 67.083570] R13: ffff977482e4ff10 R14: ffff977482e4ff10 R15: ffff928f84028000 [ 67.097761] FS: 00007f184aabc580(0000) GS:ffff928ffad80000(0000) knlGS:0000000000000000 [ 67.106801] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.113216] CR2: 00007f184a8d5000 CR3: 000000010356c004 CR4: 00000000003706e0 [ 67.121188] Call Trace: [ 67.123918] __refcount_add_not_zero.constprop.0+0x2a/0x31 [ 67.130071] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x72 [ 67.136396] direct_entry.cold+0x2c/0x38 [ 67.140775] full_proxy_write+0x56/0x80 [ 67.145073] vfs_write+0xea/0x390 [ 67.148771] ksys_write+0x68/0xe0 [ 67.152473] do_syscall_64+0x33/0x40 [ 67.156465] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 67.162104] RIP: 0033:0x7f184a9e4f33 [ 67.166096] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 67.187084] RSP: 002b:00007fffe3dfdae8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 67.195539] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f184a9e4f33 [ 67.203506] RDX: 0000000000000020 RSI: 00007f184a8d5000 RDI: 0000000000000001 [ 67.211478] RBP: 00007f184a8d5000 R08: 00007f184a8d4010 R09: 0000000000000000 [ 67.219450] R10: 00007f184aadf1c0 R11: 0000000000000246 R12: 0000000000000001 [ 67.227421] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 67.235385] irq event stamp: 0 [ 67.238792] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 67.245795] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 67.254934] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 67.264075] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 67.271074] ---[ end trace 5d0f9ae5181b6148 ]--- [ 67.276230] lkdtm: Saturation detected: still saturated 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 56.883492] RSP: 002b:00007ffc3365d868 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.891947] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f3c417ecf33 # [ 56.899916] RDX: 000000000000000a RSI: 00007f3c416dd000 RDI: 0000000000000001 # [ 56.907884] RBP: 00007f3c416dd000 R08: 00007f3c416dc010 R09: 0000000000000000 # [ 56.915854] R10: 00007f3c418e71c0 R11: 0000000000000246 R12: 0000000000000001 # [ 56.923824] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 56.931796] 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_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 56.958254] CR2: 0000000000000000 # [ 56.968164] ---[ end trace 5d0f9ae5181b6135 ]--- # [ 56.973319] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 56.977686] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 # [ 56.998671] RSP: 0018:ffff977481457e60 EFLAGS: 00010282 # [ 57.004503] RAX: ffffffff8deb1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 57.012471] RDX: 0000000000000000 RSI: ffff928ffac1bf70 RDI: ffffffff8ead9a70 # [ 57.020441] RBP: ffffffff8ef1b5a8 R08: 0000000000000001 R09: 0000000000000001 # [ 57.028411] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 57.036382] R13: ffff977481457f10 R14: ffff977481457f10 R15: ffff928f82b0e000 # [ 57.044351] FS: 00007f3c418c4580(0000) GS:ffff928ffad80000(0000) knlGS:0000000000000000 # [ 57.053390] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.059805] CR2: ffffffffffffffd6 CR3: 0000000104e34006 CR4: 00000000003706e0 # EXEC_NULL: saw 'call trace:': ok ok 36 selftests: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.sh # Killed # [ 57.244612] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 57.254277] lkdtm: attempting bad read at 00007fc0ffaca000 # [ 57.266632] BUG: unable to handle page fault for address: 00007fc0ffaca000 # [ 57.280502] #PF: supervisor read access in kernel mode # [ 57.286238] #PF: error_code(0x0001) - permissions violation # [ 57.292460] PGD 8000000102a51067 P4D 8000000102a51067 PUD 1058f5067 PMD 103476067 PTE 106cbe067 # [ 57.302183] Oops: 0001 [#12] SMP PTI # [ 57.312386] CPU: 1 PID: 1877 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 57.321028] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 57.327834] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x3d/0x9f # [ 57.334068] Code: 2b 04 25 28 00 00 00 75 60 48 83 c4 10 5d c3 48 89 ee 48 c7 c7 a8 12 ec 8e e8 73 9d fd ff 48 c7 c7 d0 12 ec 8e b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 5a 9d fd ff 48 89 ee 48 c7 c7 f8 12 ec # [ 57.361266] RSP: 0018:ffff97748260fe48 EFLAGS: 00010246 # [ 57.367100] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 # [ 57.375071] RDX: 0000000000000000 RSI: ffff928ffac9bf70 RDI: ffffffff8eec12d0 # [ 57.383058] RBP: 00007fc0ffaca000 R08: 0000000000000000 R09: 0000000000000000 # [ 57.391028] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 # [ 57.399013] R13: ffff97748260ff10 R14: ffff97748260ff10 R15: ffff928f8298f000 # [ 57.406984] FS: 00007fc0ffa9b580(0000) GS:ffff928ffac80000(0000) knlGS:0000000000000000 # [ 57.416021] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.422435] CR2: 00007fc0ffaca000 CR3: 0000000104fe0005 CR4: 00000000003706e0 # [ 57.430404] Call Trace: # [ 57.433131] direct_entry.cold+0x2c/0x38 # [ 57.437513] full_proxy_write+0x56/0x80 # [ 57.448014] vfs_write+0xea/0x390 # [ 57.451713] ksys_write+0x68/0xe0 # [ 57.455403] do_syscall_64+0x33/0x40 # [ 57.459394] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 57.465034] RIP: 0033:0x7fc0ff9c3f33 # [ 57.469024] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 57.490010] RSP: 002b:00007ffcad8db358 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 57.498468] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fc0ff9c3f33 # [ 57.506438] RDX: 0000000000000011 RSI: 00007fc0ff8b4000 RDI: 0000000000000001 # [ 57.514406] RBP: 00007fc0ff8b4000 R08: 00007fc0ff8b3010 R09: 0000000000000000 # [ 57.522375] R10: 00007fc0ffabe1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 57.530344] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 57.538315] 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_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 57.570956] CR2: 00007fc0ffaca000 # [ 57.574653] ---[ end trace 5d0f9ae5181b6136 ]--- # [ 57.579808] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 57.584186] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 # [ 57.605160] RSP: 0018:ffff977481457e60 EFLAGS: 00010282 # [ 57.611010] RAX: ffffffff8deb1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 57.618971] RDX: 0000000000000000 RSI: ffff928ffac1bf70 RDI: ffffffff8ead9a70 # [ 57.626941] RBP: ffffffff8ef1b5a8 R08: 0000000000000001 R09: 0000000000000001 # [ 57.634910] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 57.642879] R13: ffff977481457f10 R14: ffff977481457f10 R15: ffff928f82b0e000 # [ 57.650849] FS: 00007fc0ffa9b580(0000) GS:ffff928ffac80000(0000) knlGS:0000000000000000 # [ 57.659879] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.666286] CR2: 00007fc0ffaca000 CR3: 0000000104fe0005 CR4: 00000000003706e0 # [ 57.674254] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 57.684164] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1877, name: cat # [ 57.692618] INFO: lockdep is turned off. # [ 57.697013] irq event stamp: 0 # [ 57.700417] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 57.707418] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 57.716555] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 57.725689] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 57.732689] CPU: 1 PID: 1877 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 57.741339] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 57.748143] Call Trace: # [ 57.750871] dump_stack+0x77/0x97 # [ 57.754571] ___might_sleep.cold+0xa6/0xb6 # [ 57.759144] exit_signals+0x1c/0x2d0 # [ 57.763134] do_exit+0xd5/0xb00 # [ 57.766638] ? ksys_write+0x68/0xe0 # [ 57.770531] rewind_stack_do_exit+0x17/0x20 # [ 57.775198] RIP: 0033:0x7fc0ff9c3f33 # [ 57.779185] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 57.800168] RSP: 002b:00007ffcad8db358 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 57.808625] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fc0ff9c3f33 # [ 57.816595] RDX: 0000000000000011 RSI: 00007fc0ff8b4000 RDI: 0000000000000001 # [ 57.824562] RBP: 00007fc0ff8b4000 R08: 00007fc0ff8b3010 R09: 0000000000000000 # [ 57.832531] R10: 00007fc0ffabe1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 57.840501] 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 # [ 57.937663] lkdtm: Performing direct entry ACCESS_NULL # [ 57.947434] lkdtm: attempting bad read at 0000000000000000 # [ 57.953579] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 57.961365] #PF: supervisor read access in kernel mode # [ 57.967103] #PF: error_code(0x0000) - not-present page # [ 57.979058] PGD 0 P4D 0 # [ 57.981884] Oops: 0000 [#13] SMP PTI # [ 57.992088] CPU: 3 PID: 1912 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 58.000736] Hardware name: [ 68.152256] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.007544] RIP: 00[ 68.160615] lkdtm: attempting bad refcount_add_not_zero() from saturated 10:lkdtm_ACCESS_NULL+0x14/0x53 # [ 58.012793] Code: 17 9d fd [ 68.174334] ------------[ cut here ]------------ ff be 00 10 00 00 48 89 ef e8 74 bb 3f ff e9 6d ff ff ff 0f 1f 4[ 68.185693] refcount_t: saturated; leaking memory. 4 00 00 53 31 f6 48 c7 c7 a8 12 ec 8e e8 f1 9c fd ff <48> 8b 1c [ 68.197282] WARNING: CPU: 0 PID: 2518 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 d0 12 ec 8e 48 01 # [ [ 68.212827] 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_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 58.033775] RSP: 0018:ffff977482497e58 EFLAGS: 00010246 # [ 58[ 68.245466] CPU: 0 PID: 2518 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 68.260323] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 .039608] RAX: 000000000000002e RBX: 0000000000000027 RCX: 000000[ 68.267165] RIP: 0010:refcount_warn_saturate+0x87/0xf0 0000000000 # [ 58.047575] RDX: 0000000000000000 RSI: ffff928f[ 68.279124] Code: 05 3a 1e 76 01 01 e8 0e 1c 93 00 0f 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 be e5 8e c6 05 1d 1e 76 01 01 e8 ef 1b 93 00 <0f> 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 be e5 8e c6 05 fb fad9bf70 RDI: ffff928ffad9bf70 # [ 58.055547] RBP: ffffffff8e[ 68.306350] RSP: 0018:ffff977482fa7e38 EFLAGS: 00010282 [ 68.318392] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 ec0399 R08: 0000000000000000 R09: 0000000000000000 # [ 58.063[ 68.326397] RDX: ffff928ffac2c660 RSI: ffff928ffac1bf70 RDI: ffff928ffac1bf70 516] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000[ 68.340580] RBP: ffffffff8eec00c0 R08: 0000000000000000 R09: 0000000000000000 [ 68.354758] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 00000c # [ 58.071483] R13: ffff977482497f10 R14: ffff97748249[ 68.362762] R13: ffff977482fa7f10 R14: ffff977482fa7f10 R15: ffff928f84d7b000 7f10 R15: ffff928f82bd3000 # [ 58.079454] FS: 00007f8fb38805[ 68.376958] FS: 00007f2ca056a580(0000) GS:ffff928ffac00000(0000) knlGS:0000000000000000 80(0000) GS:ffff928ffad80000(0000) knlGS:0000000000000000 # [ [ 68.392200] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 58.088490] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 #[ 68.404883] CR2: 00007f2ca0383000 CR3: 0000000104c10006 CR4: 00000000003706f0 [ 58.094905] CR2: 0000000000000000 CR3: 0000000100b0e002 CR4:[ 68.419041] Call Trace: 00000000003706e0 # [ 58.102875] Call Trace: # [ 58.105603[ 68.428085] __refcount_add_not_zero.constprop.0+0x2a/0x31 ] direct_entry.cold+0x2c/0x38 # [ 58.109980] full_proxy_wri[ 68.440389] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x72 te+0x56/0x80 # [ 58.114261] vfs_write+0xea/0x390 # [ 58.1[ 68.452937] direct_entry.cold+0x2c/0x38 17949] ksys_write+0x68/0xe0 # [ 58.121647] do_syscall_64+0x[ 68.463569] full_proxy_write+0x56/0x80 33/0x40 # [ 58.125634] entry_SYSCALL_64_after_hwframe+0x44/0[ 68.474072] vfs_write+0xea/0x390 xa9 # [ 58.131266] RIP: 0033:0x7f8fb37a8f33 # [ 58.135245][ 68.484004] ksys_write+0x68/0xe0 Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb [ 68.493946] do_syscall_64+0x33/0x40 b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0[ 68.504190] entry_SYSCALL_64_after_hwframe+0x44/0xa9 f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 [ 68.516069] RIP: 0033:0x7f2ca0492f33 54 24 18 # [ 58.156225] RSP: 002b:00007ffc1c15c908 EFLAGS: 00[ 68.526317] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 000246 ORIG_RAX: 0000000000000001 # [ 58.164681] RAX: fffffff[ 68.553523] RSP: 002b:00007ffc5d5c6068 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 fffffffda RBX: 000000000000000c RCX: 00007f8fb37a8f33 # [ 58.[ 68.568228] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f2ca0492f33 172650] RDX: 000000000000000c RSI: 00007f8fb3699000 RDI: 0000000[ 68.582435] RDX: 0000000000000020 RSI: 00007f2ca0383000 RDI: 0000000000000001 000000001 # [ 58.180618] RBP: 00007f8fb3699000 R08: 00007f8fb[ 68.596638] RBP: 00007f2ca0383000 R08: 00007f2ca0382010 R09: 0000000000000000 3698010 R09: 0000000000000000 # [ 58.188589] R10: 00007f8fb38[ 68.610829] R10: 00007f2ca058d1c0 R11: 0000000000000246 R12: 0000000000000001 a31c0 R11: 0000000000000246 R12: 0000000000000001 # [ 58.1965[ 68.625060] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 56] R13: 0000000000000001 R14: 0000000000020000 R15: 00000000000[ 68.639236] irq event stamp: 0 20000 # [ 58.204527] Modules linked in: fuse ip_tables cros_e[ 68.648891] hardirqs last enabled at (0): [<0000000000000000>] 0x0 c_sensors cros_ec_sensors_core industrialio_triggered_buffer kfi[ 68.662117] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 fo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debug[ 68.677501] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 fs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_e[ 68.692831] softirqs last disabled at (0): [<0000000000000000>] 0x0 c_dev cros_usbpd_notify # [ 58.230980] CR2: 0000000000000000[ 68.706068] ---[ end trace 5d0f9ae5181b6149 ]--- # [ 58.240890] ---[ end trace 5d0f9ae5181b6137 ]--- # [ 58[ 68.717425] lkdtm: Saturation detected: still saturated .246065] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 58.250441] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 # [ 58.271427] RSP: 0018:ffff977481457e60 EFLAGS: 00010282 # [ 58.277258] RAX: ffffffff8deb1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 58.285228] RDX: 0000000000000000 RSI: ffff928ffac1bf70 RDI: ffffffff8ead9a70 # [ 58.293196] RBP: ffffffff8ef1b5a8 R08: 0000000000000001 R09: 0000000000000001 # [ 58.301165] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 58.309136] R13: ffff977481457f10 R14: ffff977481457f10 R15: ffff928f82b0e000 # [ 58.317105] FS: 00007f8fb3880580(0000) GS:ffff928ffad80000(0000) knlGS:0000000000000000 # [ 58.326143] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.332558] CR2: 0000000000000000 CR3: 0000000100b0e002 CR4: 00000000003706e0 # ACCESS_NULL: saw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRIT[ 68.829473] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED E_RO.sh # Killed # [ 58.420697] lkdtm: Performing direct ent[ 68.842815] lkdtm: attempting bad refcount_dec_and_test() from saturated ry WRITE_RO # [ 58.426901] lkdtm: attempting bad rodata write[ 68.856554] ------------[ cut here ]------------ at ffffffff8ead9ef0 # [ 58.433836] BUG: unable to handle pag[ 68.867919] refcount_t: underflow; use-after-free. e fault for address: ffffffff8ead9ef0 # [ 58.441527] #PF: sup[ 68.879500] WARNING: CPU: 0 PID: 2553 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 ervisor write access in kernel mode # [ 58.447369] #PF: error[ 68.895031] 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_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify _code(0x0003) - permissions violation # [ 58.459804] PGD 1342[ 68.927711] CPU: 0 PID: 2553 Comm: cat Tainted: G D W 5.10.128-cip10 #1 9067 P4D 13429067 PUD 1342a063 PMD 8000000012e000e1 # [ 58.4[ 68.942594] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 67292] Oops: 0003 [#14] SMP PTI # [ 58.477494] CPU: 3 PID: 19[ 68.955627] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 47 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ [ 68.967598] Code: 05 1d 1e 76 01 01 e8 ef 1b 93 00 0f 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 be e5 8e c6 05 fb 1d 76 01 01 e8 d0 1b 93 00 <0f> 0b c3 80 3d ea 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 f0 be e5 58.486144] Hardware name: Google Rammus/Rammus, BIOS 09/04/20[ 68.994809] RSP: 0018:ffff97748304fe40 EFLAGS: 00010286 20 # [ 58.492951] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 5[ 69.006851] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 8.497908] Code: 00 48 c7 c7 88 11 ec 8e 48 c7 c6 f0 9e ad 8e e8 [ 69.021026] RDX: ffff928ffac2c660 RSI: ffff928ffac1bf70 RDI: ffff928ffac1bf70 93 9f fd ff 48 8b 05 16 11 5e 00 ba 34 12 cd ab 48 c7 c7 b8 11 e[ 69.035225] RBP: ffffffff8eec00e0 R08: 0000000000000000 R09: 0000000000000000 c 8e 48 31 d0 <48> 89 05 00 11 5e 00 e9 71 9f fd ff 0f 1f 44 00 [ 69.049439] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 00 48 8b 05 27 35 # [ 58.518891] RSP: 0018:ffff97748271fe60 E[ 69.063603] R13: ffff97748304ff10 R14: ffff97748304ff10 R15: ffff928f8588f000 FLAGS: 00010202 # [ 58.524724] RAX: 000000000198b861 RBX: 000[ 69.077817] FS: 00007fc682bc0580(0000) GS:ffff928ffac00000(0000) knlGS:0000000000000000 0000000000028 RCX: 0000000000000000 # [ 58.532694] RDX: 00000[ 69.093074] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 000abcd1234 RSI: ffff928ffad9bf70 RDI: ffffffff8eec11b8 # [ 5[ 69.105721] CR2: 00007fc6829d9000 CR3: 0000000102ae6003 CR4: 00000000003706f0 8.540664] RBP: ffffffff8eec03a5 R08: 0000000000000000 R09: 00000[ 69.119871] Call Trace: 00000000000 # [ 58.548633] R10: 00000000ffffe000 R11: 3ffffff[ 69.128835] __refcount_sub_and_test.constprop.0+0x34/0x40 fffffffff R12: 0000000000000009 # [ 58.556601] R13: ffff97748[ 69.141161] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x72 271ff10 R14: ffff97748271ff10 R15: ffff928f83458000 # [ 58.56[ 69.153712] direct_entry.cold+0x2c/0x38 4571] FS: 00007f1ebff50580(0000) GS:ffff928ffad80000(0000) knlG[ 69.164294] full_proxy_write+0x56/0x80 S:0000000000000000 # [ 58.573609] CS: 0010 DS: 0000 ES: 0000[ 69.174834] vfs_write+0xea/0x390 CR0: 0000000080050033 # [ 58.580024] CR2: ffffffff8ead9ef0 C[ 69.184716] ksys_write+0x68/0xe0 R3: 000000010123a006 CR4: 00000000003706e0 # [ 58.588009] Cal[ 69.194643] do_syscall_64+0x33/0x40 l Trace: # [ 58.590737] direct_entry.cold+0x2c/0x38 # [ 5[ 69.204840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 8.595115] full_proxy_write+0x56/0x80 # [ 58.599395] vfs_wri[ 69.216748] RIP: 0033:0x7fc682ae8f33 te+0xea/0x390 # [ 58.603083] ksys_write+0x68/0xe0 # [ 58.[ 69.226910] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 606780] do_syscall_64+0x33/0x40 # [ 58.610768] entry_SYSCAL[ 69.254118] RSP: 002b:00007ffd7c814bf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 L_64_after_hwframe+0x44/0xa9 # [ 58.616407] RIP: 0033:0x7f1eb[ 69.268795] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fc682ae8f33 fe78f33 # [ 58.620394] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02[ 69.282979] RDX: 0000000000000020 RSI: 00007fc6829d9000 RDI: 0000000000000001 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 [ 69.297188] RBP: 00007fc6829d9000 R08: 00007fc6829d8010 R09: 0000000000000000 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f[ 69.311372] R10: 00007fc682be31c0 R11: 0000000000000246 R12: 0000000000000001 40 00 48 83 ec 28 48 89 54 24 18 # [ 58.641375] RSP: 002b:00[ 69.325565] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 007fff50e6dd18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ [ 69.339780] irq event stamp: 0 58.649831] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00[ 69.349391] hardirqs last enabled at (0): [<0000000000000000>] 0x0 007f1ebfe78f33 # [ 58.657800] RDX: 0000000000000009 RSI: 0000[ 69.362611] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 7f1ebfd69000 RDI: 0000000000000001 # [ 58.665769] RBP: 00007f[ 69.377961] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 1ebfd69000 R08: 00007f1ebfd68010 R09: 0000000000000000 # [ 58[ 69.393296] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 69.406513] ---[ end trace 5d0f9ae5181b614a ]--- .673736] R10: 00007f1ebff731c0 R11: 0000000000000246 R12: 000000[ 69.411703] lkdtm: Saturation detected: still saturated 0000000001 # [ 58.681705] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 58.689677] 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_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 58.716127] CR2: ffffffff8ead9ef0 # [ 58.726038] ---[ end trace 5d0f9ae5181b6138 ]--- # [ 58.731184] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 58.735560] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 # [ 58.756544] RSP: 0018:ffff977481457e60 EFLAGS: 00010282 # [ 58.762377] RAX: ffffffff8deb1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 58.770345] RDX: 0000000000000000 RSI: ffff928ffac1bf70 RDI: ffffffff8ead9a70 # [ 58.778313] RBP: ffffffff8ef1b5a8 R08: 0000000000000001 R09: 0000000000000001 # [ 58.786283] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 58.794252] R13: ffff977481457f10 R14: ffff977481457f10 R15: ffff928f82b0e000 # [ 58.802224] FS: 00007f1ebff50580(0000) GS:ffff928ffad80000(0000) knlGS:0000000000000000 # [ 58.811260] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.817676] CR2: ffffffff8ead9ef0 CR3: 000000010123a006 CR4: 00000000003706e0 # WRITE_RO: saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # Killed # [ 58.905567] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 58.912991] lkdtm: attempting bad ro_after_init write at ffffffff8ef3[ 69.590639] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED [ 69.601237] lkdtm: attempting bad refcount_sub_and_test() from saturated [ 69.608731] ------------[ cut here ]------------ [ 69.613889] refcount_t: underflow; use-after-free. c328 # [ 58.920585] BUG: unable to handle page fault for addr[ 69.619253] WARNING: CPU: 3 PID: 2588 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 ess: ffffffff8ef3c328 # [ 58.928269] #PF: supervisor write ac[ 69.634789] 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_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 69.667433] CPU: 3 PID: 2588 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 69.676085] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 69.682892] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 [ 69.688653] Code: 05 1d 1e 76 01 01 e8 ef 1b 93 00 0f 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 be e5 8e c6 05 fb 1d 76 01 01 e8 d0 1b 93 00 <0f> 0b c3 80 3d ea 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 f0 be e5 cess in kernel mode # [ 58.934104] #PF: error_code(0x0003) - [ 69.709647] RSP: 0018:ffff9774830ffe40 EFLAGS: 00010286 [ 69.721692] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 [ 69.729663] RDX: ffff928ffadac660 RSI: ffff928ffad9bf70 RDI: ffff928ffad9bf70 [ 69.737635] RBP: ffffffff8eec0100 R08: 0000000000000000 R09: 0000000000000000 [ 69.745607] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 69.753578] R13: ffff9774830fff10 R14: ffff9774830fff10 R15: ffff928f84dca000 [ 69.761539] FS: 00007fa517208580(0000) GS:ffff928ffad80000(0000) knlGS:0000000000000000 [ 69.770571] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.776988] CR2: 00007fa517021000 CR3: 0000000102b68001 CR4: 00000000003706e0 [ 69.784984] Call Trace: [ 69.787736] __refcount_sub_and_test.constprop.0+0x34/0x40 [ 69.793891] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x72 [ 69.800213] direct_entry.cold+0x2c/0x38 [ 69.804593] full_proxy_write+0x56/0x80 [ 69.808875] vfs_write+0xea/0x390 [ 69.812574] ksys_write+0x68/0xe0 [ 69.816272] do_syscall_64+0x33/0x40 [ 69.820261] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 69.825902] RIP: 0033:0x7fa517130f33 [ 69.829891] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 69.850874] RSP: 002b:00007ffd1955a4f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 69.859330] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fa517130f33 [ 69.867299] RDX: 0000000000000020 RSI: 00007fa517021000 RDI: 0000000000000001 [ 69.875262] RBP: 00007fa517021000 R08: 00007fa517020010 R09: 0000000000000000 [ 69.883223] R10: 00007fa51722b1c0 R11: 0000000000000246 R12: 0000000000000001 [ 69.891193] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 69.899167] irq event stamp: 0 permissions violation # [ 58.940326] PGD 13429067 P4D 1342906[ 69.902576] hardirqs last enabled at (0): [<0000000000000000>] 0x0 7 PUD 1342a063 PMD 104cda063 PTE 800000001333c061 # [ 58.9490[ 69.915796] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 69.931151] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 69.940320] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 69.947319] ---[ end trace 5d0f9ae5181b614b ]--- [ 69.952477] lkdtm: Saturation detected: still saturated 79] Oops: 0003 [#15] SMP PTI # [ 58.959279] CPU: 3 PID: 1982 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 58.967929] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.980950] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 58.986978] Code: 11 ec 8e e9 45 9f fd ff 48 c7 c7 10 12 ec 8e e8 39 9f fd ff 48 8b 05 f4 34 a4 00 ba 34 12 cd ab 48 c7 c7 b8 11 ec 8e 48 31 d0 <48> 89 05 de 34 a4 00 e9 17 9f fd ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 59.007960] RSP: 0018:ffff9774827a7e60 EFLAGS: 00010202 # [ 59.013793] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 # [ 59.021763] RDX: 00000000abcd1234 RSI: ffff928ffad9bf70 RDI: ffffffff8eec11b8 # [ 59.029731] RBP: ffffffff8eec03ae R08: 0000000000000000 R09: 0000000000000000 # [ 59.037699] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 # [ 59.045669] R13: ffff9774827a7f10 R14: ffff9774827a7f10 R15: ffff928f83258000 # [ 59.053639] FS: 00007efdd48fe580(0000) GS:ffff928ffad80000(0000) knlGS:0000000000000000 # [ 59.062676] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.069091] CR2: ffffffff8ef3c328 CR3: 00000001013ca005 CR4: 00000000003706e0 # [ 59.077071] Call Trace: # [ 59.079798] direct_entry.cold+0x2c/0x38 # [ 59.084177] full_proxy_write+0x56/0x80 # [ 59.088457] vfs_write+0xea/0x390 # [ 59.092153] ksys_write+0x68/0xe0 #[ 70.089065] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO [ 59.095851] do_syscall_64+0x33/0x40 # [ 59.099839] entr[ 70.101858] lkdtm: attempting good copy_to_user of correct size y_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 59.105470] RIP: 0033[ 70.114695] lkdtm: attempting bad copy_to_user of too large size :0x7efdd4826f33 # [ 59.109458] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 59.130442] RSP: 002b:00007ffc355c8eb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.138896] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007efdd4826f33 # [ 59.146863] RDX: 0000000000000014 RSI: 00007efdd4717000 RDI: 0000000000000001 # [ 59.154833] RBP: 00007efdd4717000 R08: 00007efdd4716010 R09: 0000000000000000 # [ 59.162804] R10: 00007efdd49211c0 R11: 0000000000000246 R12: 0000000000000001 # [ 59.170773] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 59.178744] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core [ 70.205934] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM [ 70.215290] lkdtm: attempting good copy_from_user of correct size [ 70.222134] lkdtm: attempting bad copy_from_user of too large size industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 59.205200] CR2: ffffffff8ef3c328 # [ 59.215110] ---[ end trace 5d0f9ae5181b6139 ]--- # [ 59.220265] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 59.224632] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 # [ 59.245616] RSP: 0018:ffff977481457e60 EFLAGS: 00010282 # [ 59.251446] RAX: ffffffff8deb1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 59.259416] RDX: 0000000000000000 RSI: ffff928ffac1bf70 RDI: ffffffff8ead9a70 # [ 59.267385] RBP: ffffffff8ef1b5a8 R08: 0000000000000001 R09: 0000000000000001 # [ 59.275354] R10: 00000000ffffe0[ 70.315149] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO 00 R11: 3fffffffffffffff R12: 0000000000000004 # [ 59.283323][ 70.323268] lkdtm: attempting good copy_to_user inside whitelist R13: ffff977481457f10 R14: ffff977481457f10 R15: ffff928f82b0e0[ 70.336199] lkdtm: attempting bad copy_to_user outside whitelist 00 # [ 59.291292] FS: 00007efdd48fe580(0000) GS:ffff928ffad80000(0000) knlGS:0000000000000000 # [ 59.300329] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.306744] CR2: ffffffff8ef3c328 CR3: 00000001013ca005 CR4: 00000000003706e0 # [ 59.314713] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 59.324624] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1982, name: cat # [ 59.333079] INFO: lockdep is turned off. # [ 59.337454] irq event stamp: 0 # [ 59.340858] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 59.347857] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 59.357012] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 59.366143] softirqs last disable[ 70.429165] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM d at (0): [<0000000000000000>] 0x0 # [ 59.373142] CPU: 3 PID:[ 70.437310] lkdtm: attempting good copy_from_user inside whitelist 1982 Comm: cat Tainted: G D W 5.10.128-cip10 #1 #[ 70.450457] lkdtm: attempting bad copy_from_user outside whitelist [ 59.381792] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 59.388595] Call Trace: # [ 59.391322] dump_stack+0x77/0x97 # [ 59.395019] ___might_sleep.cold+0xa6/0xb6 # [ 59.399589] exit_signals+0x1c/0x2d0 # [ 59.403578] do_exit+0xd5/0xb00 # [ 59.407079] ? ksys_write+0x68/0xe0 # [ 59.410971] rewind_stack_do_exit+0x17/0x20 # [ 59.415628] RIP: 0033:0x7efdd4826f33 # [ 59.419609] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 59.440583] RSP: 002b:00007ffc355c8eb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.449038] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007efdd4826f33 # [ 59.457011] RDX: 0000000000000[ 70.543787] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO [ 70.551245] lkdtm: good_stack: ffff97748344fe20-ffff97748344fe40 [ 70.558005] lkdtm: bad_stack : ffff97748344fda8-ffff97748344fdc8 014 RSI: 00007efdd4717000 RDI: 0000000000000001 # [ 59.464979[ 70.564732] lkdtm: attempting good copy_to_user of local stack [ 70.577456] lkdtm: attempting bad copy_to_user of distant stack ] RBP: 00007efdd4717000 R08: 00007efdd4716010 R09: 0000000000000000 # [ 59.472949] R10: 00007efdd49211c0 R11: 0000000000000246 R12: 0000000000000001 # [ 59.480916] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # WRITE_RO_AFTER_INIT: saw 'call trace:': ok ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh # Killed # [ 59.576770] lkdtm: Performing direct entry WRITE_KERN # [ 59.587794] lkdtm: attempting bad 6581924 byte write at ffffffff8e4f8d54 # [ 59.601520] BUG: unable to handle page fault for address: ffffffff8e4f8d54 # [ 59.615391] #PF: supervisor write access in kernel mode # [ 59.621222] #PF: error_code(0x0003) - permissions violation # [ 59.627436] PGD 13429067 P4D 13429067 PUD 1342a063 PMD 128000e1 # [ 59.634145] Oops: 0003 [#16] SMP PTI # [ 59.644348] CPU: 1 PID: 2017 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 59.653010] Hardware name:[ 70.675115] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM Google Rammus/Rammus, BIOS 09/04/2020 # [ 59.659818] RIP: 0[ 70.684488] lkdtm: good_stack: ffff9774834dfe20-ffff9774834dfe40 010:lkdtm_WRITE_KERN+0x38/0x4e # [ 59.664972] Code: 53 48 c7 [ 70.697414] lkdtm: bad_stack : ffff9774834dfda8-ffff9774834dfdc8 c3 54 8d 4f 8e 49 89 dc 48 89 da 49 81 ec b0 1e eb 8d 4c 89 e6 e[ 70.710341] lkdtm: attempting good copy_from_user of local stack 8 ec 9e fd ff 48 89 df 4c 89 e1 48 c7 c6 b0 1e eb 8d a4 48 [ 70.723243] lkdtm: attempting bad copy_from_user of distant stack c7 c7 b8 11 ec 8e e8 d1 9e fd ff 5b 41 5c e9 b7 fe ff ff # [ 59.692169] RSP: 0018:ffff97748282fe50 EFLAGS: 00010246 # [ 59.698013] RAX: 000000000000003c RBX: ffffffff8e4f8d54 RCX: 0000000000646ea4 # [ 59.705982] RDX: 0000000000000000 RSI: ffffffff8deb1eb0 RDI: ffffffff8e4f8d54 # [ 59.713974] RBP: ffffffff8eec03c2 R08: 0000000000000000 R09: 0000000000000000 # [ 59.721941] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000646ea4 # [ 59.729907] R13: ffff97748282ff10 R14: ffff97748282ff10 R15: ffff928f84de7000 # [ 59.737876] FS: 00007faf24325580(0000) GS:ffff928ffac80000(0000) knlGS:0000000000000000 # [ 59.746914] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.753329] CR2: ffffffff8e4f8d54 CR3: 0000000100b0e003 CR4: 00000000003706e0 # [ 59.761296] Call Trace: # [ 59.764022[ 70.814162] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND [ 70.823805] lkdtm: good_stack: ffff97748352fe20-ffff97748352fe40 ] direct_entry.cold+0x2c/0x38 # [ 59.768404] full_proxy_wri[ 70.830555] lkdtm: bad_stack : ffff97748352fff8-ffff977483530018 te+0x56/0x80 # [ 59.778894] vfs_write+0xea/0x390 # [ 59.7[ 70.843504] lkdtm: attempting good copy_to_user of local stack [ 70.856247] lkdtm: attempting bad copy_to_user of distant stack [ 70.862867] lkdtm: copy_to_user failed, but lacked Oops 82590] ksys_write+0x68/0xe0 # [ 59.786286] do_syscall_64+0x33/0x40 # [ 59.790276] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 59.795905] RIP: 0033:0x7faf2424df33 # [ 59.799883] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 59.820862] RSP: 002b:00007ffcc20b3248 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.829318] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007faf2424df33 # [ 59.837285] RDX: 000000000000000b RSI: 00007faf2413e000 RDI: 0000000000000001 # [ 59.845254] RBP: 00007faf2413e000 R08: 00007faf2413d010 R09: 0000000000000000 # [ 59.853223] R10: 00007faf243481c0 R11: 0000000000000246 R12: 0000000000000001 # [ 59.8611[ 70.948798] lkdtm: Performing direct entry USERCOPY_KERNEL [ 70.955682] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff8ead9f10 [ 70.964386] lkdtm: attempting bad copy_to_user from kernel text: ffffffff8d8d1460 91] R13: 0000000000000001 R14: 0000000000020000 R15: 00000000000[ 70.972771] lkdtm: FAIL: survived bad copy_to_user() 20000 # [ 59.869160] 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_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 59.901803] CR2: ffffffff8e4f8d54 # [ 59.905499] ---[ end trace 5d0f9ae5181b613a ]--- # [ 59.910653] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 59.915030] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 # [ 59.936013] RSP: 0018:ffff977481457e60 EFLAGS: 00010282 # [ 59.941845] RAX: ffffffff8deb1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 59.949814] RDX: 0000000000000000 RSI: f[ 71.061636] lkdtm: Performing direct entry STACKLEAK_ERASING fff928ffac1bf70 RDI: ffffffff8ead9a70 # [ 59.957782] RBP: fff[ 71.071688] lkdtm: checking unused part of the thread stack (15928 bytes)... fffff8ef1b5a8 R08: 0000000000000001 R09: 0000000000000001 # [ [ 71.085805] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) [ 71.099781] lkdtm: FAIL: the thread stack is NOT properly erased 59.965750] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000[ 71.106494] CPU: 1 PID: 2953 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 71.121355] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 71.128149] Call Trace: 0000000000004 # [ 59.973718] R13: ffff977481457f10 R14: ffff9[ 71.130879] dump_stack+0x77/0x97 [ 71.140785] lkdtm_STACKLEAK_ERASING+0x116/0x140 [ 71.145940] direct_entry.cold+0x2c/0x38 [ 71.150321] full_proxy_write+0x56/0x80 77481457f10 R15: ffff928f82b0e000 # [ 59.981688] FS: 00007fa[ 71.154601] vfs_write+0xea/0x390 [ 71.164509] ksys_write+0x68/0xe0 [ 71.168197] do_syscall_64+0x33/0x40 [ 71.172188] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 71.177829] RIP: 0033:0x7ffb1e8bdf33 [ 71.181817] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 71.202807] RSP: 002b:00007ffe56007c58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 71.211265] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007ffb1e8bdf33 [ 71.219238] RDX: 0000000000000012 RSI: 00007ffb1e7ae000 RDI: 0000000000000001 [ 71.227210] RBP: 00007ffb1e7ae000 R08: 00007ffb1e7ad010 R09: 0000000000000000 [ 71.235178] R10: 00007ffb1e9b81c0 R11: 0000000000000246 R12: 0000000000000001 [ 71.243145] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 f24325580(0000) GS:ffff928ffac80000(0000) knlGS:0000000000000000 # [ 59.990725] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.997139] CR2: ffffffff8e4f8d54 CR3: 0000000100b0e003 CR4: 00000000003706e0 # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # [ 60.086184] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 60.098831] lkdtm: attempting good refcount_inc() without overflow # [ 60.111953] lkdtm: attempting bad refcount_inc() overflow # [ 60.124198] ------------[ cut here ]------------ # [ 60.129356] refcount_t: saturated; leaking memory. # [ 60.140953] WARNING: CPU: 1 PID: 2052 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 60.156472] 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_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 60.189110] CPU: 1 PID: 2052 Comm: cat Tainted: G [ 71.354418] lkdtm: Performing direct entry CFI_FORWARD_PROTO [ 71.363093] lkdtm: Calling matched prototype ... [ 71.368281] lkdtm: Calling mismatched prototype ... [ 71.373737] lkdtm: Fail: survived mismatched prototype function call! D W 5.10.128-cip10 #1 # [ 60.197787] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 60.210807] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 60.222764] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 6a 1e 76 01 00 75 f2 48 c7 c7 40 be e5 8e c6 05 5a 1e 76 01 01 e8 2d 1c 93 00 <0f> 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 be e5 8e c6 05 3a # [ 60.249966] RSP: 0018:ffff9774828b7e48 EFLAGS: 00010286 # [ 60.255829] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 # [ 60.270059] RDX: ffff928ffacac660 RSI: ffff928ffac9bf70 RDI: ffff928ffac9bf70 # [ 60.284245] RBP: ffffffff8eec03cd R08: 0000000000000000 R09: 0000000000000000 # [ 60.292219] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 60.306404] R13: ffff9774828b7f10 R14: ffff9774828b7f10 R15: ffff928f8597d000 # [ 60.320593] FS: 00007fc1c705d580(0000) GS:ffff928ffac80000(0000) knlGS:0000000000000000 # [ 60.329636] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.342266] CR2: 00007fc1c6e76000 CR3: 0000000102b2a003 CR4: 00000000003706e0 # [ 60.350264] Call Trace: # [ 60.359205] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x94 # [ 60.370749] direct_entry.cold+0x2c/0x38 # [ 60.381345] full_proxy_write+0x56/0x80 # [ 60.391846] vfs_write+0xea/0x390 # [ 60.401761] ksys_write+0x68/0xe0 # [ 60.405464] do_syscall_64+0x33/0x40 # [ 60.415664] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 60.421308] RIP: 0033:0x7fc1c6f85f33 # [ 60.431506] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 60.452493] RSP: 002b:00007ffe77d60df8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.467162] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fc1c6f85f33 # [ 60.475131] RDX: 0000000000000016 RSI: 00007fc1c6e76000 RDI: 0000000000000001 # [ 60.483103] RBP: 00007fc1c6e76000 R08: 00007fc1c6e75010 R09: 0000000000000000 # [ 60.491075] R10: 00007fc1c70801c0 R11: 0000000000000246 R12: 0000000000000001 # [ 60.499059] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 60.507075] irq event stamp: 0 # [ 60.516690] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 60.523695] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 60.539052] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 60.548222] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 60.561432] ---[ end trace 5d0f9ae5181b613b ]--- # [ 60.566589] lkdtm: Overflow detected: saturated # REFCOUNT_INC_OVERFLOW: saw 'call trace:': ok ok 42 selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # [ 60.655957] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 60.665374] lkdtm: attempting good refcount_add() without overflow # [ 60.678494] lkdtm: attempting bad refcount_add() overflow # [ 60.690739] ------------[ cut here ]------------ # [ 60.695897] refcount_t: saturated; leaking memory. # [ 60.707488] WARNING: CPU: 1 PID: 2084 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 60.723018] 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_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 60.755664] CPU: 1 PID: 2084 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 60.764343] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 60.777364] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 60.783106] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 6a 1e 76 01 00 75 f2 48 c7 c7 40 be e5 8e c6 05 5a 1e 76 01 01 e8 2d 1c 93 00 <0f> 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 be e5 8e c6 05 3a # [ 60.810296] RSP: 0018:ffff97748292fe48 EFLAGS: 00010286 # [ 60.822347] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 60.836534] RDX: ffff928ffacac660 RSI: ffff928ffac9bf70 RDI: ffff928ffac9bf70 # [ 60.850721] RBP: ffffffff8eec03e3 R08: 0000000000000000 R09: 0000000000000000 # [ 60.864908] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 60.879097] R13: ffff97748292ff10 R14: ffff97748292ff10 R15: ffff928f84029000 # [ 60.893286] FS: 00007f105da44580(0000) GS:ffff928ffac80000(0000) knlGS:0000000000000000 # [ 60.908549] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.921181] CR2: 00007f105d85d000 CR3: 0000000104e62002 CR4: 00000000003706e0 # [ 60.935362] Call Trace: # [ 60.944310] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa3 # [ 60.955874] direct_entry.cold+0x2c/0x38 # [ 60.966470] full_proxy_write+0x56/0x80 # [ 60.976968] vfs_write+0xea/0x390 # [ 60.986884] ksys_write+0x68/0xe0 # [ 60.996799] do_syscall_64+0x33/0x40 # [ 61.007005] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 61.018863] RIP: 0033:0x7f105d96cf33 # [ 61.029069] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 61.056268] RSP: 002b:00007ffd09a6f478 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 61.070942] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f105d96cf33 # [ 61.078918] RDX: 0000000000000016 RSI: 00007f105d85d000 RDI: 0000000000000001 # [ 61.093100] RBP: 00007f105d85d000 R08: 00007f105d85c010 R09: 0000000000000000 # [ 61.101077] R10: 00007f105da671c0 R11: 0000000000000246 R12: 0000000000000001 # [ 61.115258] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 61.123235] irq event stamp: 0 # [ 61.132852] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 61.146071] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 61.161420] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 61.176774] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 61.183778] ---[ end trace 5d0f9ae5181b613c ]--- # [ 61.195144] 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 # [ 61.279857] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 61.288579] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 61.301703] ------------[ cut here ]------------ # [ 61.313072] refcount_t: saturated; leaking memory. # [ 61.318438] WARNING: CPU: 1 PID: 2116 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 # [ 61.333969] 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_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 61.366611] CPU: 1 PID: 2116 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 61.381481] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 61.388291] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 61.394032] Code: 05 3a 1e 76 01 01 e8 0e 1c 93 00 0f 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 be e5 8e c6 05 1d 1e 76 01 01 e8 ef 1b 93 00 <0f> 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 be e5 8e c6 05 fb # [ 61.421242] RSP: 0018:ffff97748297fe38 EFLAGS: 00010282 # [ 61.433295] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 61.447482] RDX: ffff928ffacac660 RSI: ffff928ffac9bf70 RDI: ffff928ffac9bf70 # [ 61.455454] RBP: ffffffff8eec0020 R08: 0000000000000000 R09: 0000000000000000 # [ 61.469658] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 61.483828] R13: ffff97748297ff10 R14: ffff97748297ff10 R15: ffff928f82744000 # [ 61.498017] FS: 00007f696b2e0580(0000) GS:ffff928ffac80000(0000) knlGS:0000000000000000 # [ 61.507070] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.519700] CR2: 00007f696b0f9000 CR3: 00000001058a8002 CR4: 00000000003706e0 # [ 61.527673] Call Trace: # [ 61.530403] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 61.542744] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x72 # [ 61.555184] direct_entry.cold+0x2c/0x38 # [ 61.559566] full_proxy_write+0x56/0x80 # [ 61.570061] vfs_write+0xea/0x390 # [ 61.579979] ksys_write+0x68/0xe0 # [ 61.589895] do_syscall_64+0x33/0x40 # [ 61.593886] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 61.605737] RIP: 0033:0x7f696b208f33 # [ 61.609729] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 61.636921] RSP: 002b:00007ffd07fb9208 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 61.645383] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f696b208f33 # [ 61.659564] RDX: 000000000000001f RSI: 00007f696b0f9000 RDI: 0000000000000001 # [ 61.667537] RBP: 00007f696b0f9000 R08: 00007f696b0f8010 R09: 0000000000000000 # [ 61.675506] R10: 00007f696b3031c0 R11: 0000000000000246 R12: 0000000000000001 # [ 61.683478] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 61.691454] irq event stamp: 0 # [ 61.701075] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 61.708079] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 61.723430] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 61.738784] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 61.745785] ---[ end trace 5d0f9ae5181b613d ]--- # [ 61.757151] 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 # [ 61.839647] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 61.850594] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 61.857530] ------------[ cut here ]------------ # [ 61.862723] refcount_t: saturated; leaking memory. # [ 61.868134] WARNING: CPU: 2 PID: 2148 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 # [ 61.877473] 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_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 61.910108] CPU: 2 PID: 2148 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 61.918758] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 61.925566] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 61.931307] Code: 05 3a 1e 76 01 01 e8 0e 1c 93 00 0f 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 be e5 8e c6 05 1d 1e 76 01 01 e8 ef 1b 93 00 <0f> 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 be e5 8e c6 05 fb # [ 61.952297] RSP: 0018:ffff977482a07e38 EFLAGS: 00010282 # [ 61.958136] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 61.966109] RDX: ffff928ffad2c660 RSI: ffff928ffad1bf70 RDI: ffff928ffad1bf70 # [ 61.974083] RBP: ffffffff8eec0040 R08: 0000000000000000 R09: 0000000000000000 # [ 61.988271] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 61.996243] R13: ffff977482a07f10 R14: ffff977482a07f10 R15: ffff928f832e7000 # [ 62.004216] FS: 00007f6cf8770580(0000) GS:ffff928ffad00000(0000) knlGS:0000000000000000 # [ 62.013257] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.019673] CR2: 00007f6cf8589000 CR3: 0000000104102006 CR4: 00000000003706e0 # [ 62.027665] Call Trace: # [ 62.030407] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 62.042741] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x72 # [ 62.048966] direct_entry.cold+0x2c/0x38 # [ 62.053347] full_proxy_write+0x56/0x80 # [ 62.057630] vfs_write+0xea/0x390 # [ 62.061330] ksys_write+0x68/0xe0 # [ 62.065033] do_syscall_64+0x33/0x40 # [ 62.069025] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 62.074667] RIP: 0033:0x7f6cf8698f33 # [ 62.078657] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 62.099645] RSP: 002b:00007ffd64b646b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.108103] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f6cf8698f33 # [ 62.116075] RDX: 000000000000001f RSI: 00007f6cf8589000 RDI: 0000000000000001 # [ 62.124058] RBP: 00007f6cf8589000 R08: 00007f6cf8588010 R09: 0000000000000000 # [ 62.132030] R10: 00007f6cf87931c0 R11: 0000000000000246 R12: 0000000000000001 # [ 62.140015] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 62.147989] irq event stamp: 0 # [ 62.157607] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 62.164611] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 62.173751] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 62.182888] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 62.189879] ---[ end trace 5d0f9ae5181b613e ]--- # [ 62.195028] 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 # [ 62.276374] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 62.287256] lkdtm: attempting good refcount_dec() # [ 62.298728] lkdtm: attempting bad refcount_dec() to zero # [ 62.310871] ------------[ cut here ]------------ # [ 62.322246] refcount_t: decrement hit 0; leaking memory. # [ 62.334418] WARNING: CPU: 1 PID: 2180 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 # [ 62.349934] 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_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 62.382599] CPU: 1 PID: 2180 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 62.397446] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 62.410469] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 # [ 62.422425] Code: ff 48 c7 c7 f0 be e5 8e c6 05 d6 1d 76 01 01 e8 ad 1b 93 00 0f 0b c3 48 c7 c7 c0 be e5 8e c6 05 c1 1d 76 01 01 e8 97 1b 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 # [ 62.443408] RSP: 0018:ffff977482aa7e48 EFLAGS: 00010286 # [ 62.455452] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 62.463424] RDX: ffff928ffacac660 RSI: ffff928ffac9bf70 RDI: ffff928ffac9bf70 # [ 62.471397] RBP: ffffffff8eec03f9 R08: 0000000000000000 R09: 0000000000000000 # [ 62.479372] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 62.487343] R13: ffff977482aa7f10 R14: ffff977482aa7f10 R15: ffff928f85bc9000 # [ 62.495315] FS: 00007f492abb8580(0000) GS:ffff928ffac80000(0000) knlGS:0000000000000000 # [ 62.504353] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.517001] CR2: 00007f492a9d1000 CR3: 00000001032ae001 CR4: 00000000003706e0 # [ 62.531198] Call Trace: # [ 62.533931] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xb9 # [ 62.545110] direct_entry.cold+0x2c/0x38 # [ 62.555731] full_proxy_write+0x56/0x80 # [ 62.566231] vfs_write+0xea/0x390 # [ 62.569931] ksys_write+0x68/0xe0 # [ 62.579842] do_syscall_64+0x33/0x40 # [ 62.583835] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 62.595689] RIP: 0033:0x7f492aae0f33 # [ 62.605898] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 62.633095] RSP: 002b:00007ffe60c0dba8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.647769] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f492aae0f33 # [ 62.661954] RDX: 0000000000000012 RSI: 00007f492a9d1000 RDI: 0000000000000001 # [ 62.676138] RBP: 00007f492a9d1000 R08: 00007f492a9d0010 R09: 0000000000000000 # [ 62.690323] R10: 00007f492abdb1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 62.704507] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 62.718694] irq event stamp: 0 # [ 62.728312] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 62.741526] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 62.756875] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 62.772224] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 62.785441] ---[ end trace 5d0f9ae5181b613f ]--- # [ 62.796814] 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 # [ 62.882452] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 62.895221] lkdtm: attempting bad refcount_dec() below zero # [ 62.907660] ------------[ cut here ]------------ # [ 62.919028] refcount_t: decrement hit 0; leaking memory. # [ 62.931208] WARNING: CPU: 1 PID: 2215 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 # [ 62.946725] 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_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 62.979395] CPU: 1 PID: 2215 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 62.994266] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 63.007288] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 # [ 63.013029] Code: ff 48 c7 c7 f0 be e5 8e c6 05 d6 1d 76 01 01 e8 ad 1b 93 00 0f 0b c3 48 c7 c7 c0 be e5 8e c6 05 c1 1d 76 01 01 e8 97 1b 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 # [ 63.040225] RSP: 0018:ffff977482b3fe48 EFLAGS: 00010286 # [ 63.046063] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 63.060248] RDX: ffff928ffacac660 RSI: ffff928ffac9bf70 RDI: ffff928ffac9bf70 # [ 63.068221] RBP: ffffffff8eec040b R08: 0000000000000000 R09: 0000000000000000 # [ 63.082407] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 63.090381] R13: ffff977482b3ff10 R14: ffff977482b3ff10 R15: ffff928f8348a000 # [ 63.098355] FS: 00007f178007c580(0000) GS:ffff928ffac80000(0000) knlGS:0000000000000000 # [ 63.113604] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.120025] CR2: 00007f177fe95000 CR3: 000000010325c004 CR4: 00000000003706e0 # [ 63.134209] Call Trace: # [ 63.136943] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x5d # [ 63.148507] direct_entry.cold+0x2c/0x38 # [ 63.159103] full_proxy_write+0x56/0x80 # [ 63.169624] vfs_write+0xea/0x390 # [ 63.179536] ksys_write+0x68/0xe0 # [ 63.189452] do_syscall_64+0x33/0x40 # [ 63.193445] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 63.199092] RIP: 0033:0x7f177ffa4f33 # [ 63.203084] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 63.224076] RSP: 002b:00007ffc665be568 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.232537] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f177ffa4f33 # [ 63.240511] RDX: 0000000000000016 RSI: 00007f177fe95000 RDI: 0000000000000001 # [ 63.248485] RBP: 00007f177fe95000 R08: 00007f177fe94010 R09: 0000000000000000 # [ 63.256456] R10: 00007f178009f1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 63.264428] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 63.278618] irq event stamp: 0 # [ 63.288239] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 63.295245] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 63.310594] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 63.325946] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 63.332948] ---[ end trace 5d0f9ae5181b6140 ]--- # [ 63.344314] 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 # [ 63.465239] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 63.475067] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 63.488413] ------------[ cut here ]------------ # [ 63.493594] refcount_t: underflow; use-after-free. # [ 63.498976] WARNING: CPU: 3 PID: 2250 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 63.508323] 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_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 63.534770] CPU: 3 PID: 2250 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 63.543424] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 63.556448] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 63.562218] Code: 05 1d 1e 76 01 01 e8 ef 1b 93 00 0f 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 be e5 8e c6 05 fb 1d 76 01 01 e8 d0 1b 93 00 <0f> 0b c3 80 3d ea 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 f0 be e5 # [ 63.583202] RSP: 0018:ffff977482bd7e40 EFLAGS: 00010286 # [ 63.589052] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 63.597061] RDX: ffff928ffadac660 RSI: ffff928ffad9bf70 RDI: ffff928ffad9bf70 # [ 63.605034] RBP: ffffffff8eec0060 R08: 0000000000000000 R09: 0000000000000000 # [ 63.613013] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 63.620986] R13: ffff977482bd7f10 R14: ffff977482bd7f10 R15: ffff928f8396d000 # [ 63.635169] FS: 00007efcd58b9580(0000) GS:ffff928ffad80000(0000) knlGS:0000000000000000 # [ 63.644208] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.650625] CR2: 00007efcd56d2000 CR3: 0000000100b0e006 CR4: 00000000003706e0 # [ 63.658595] Call Trace: # [ 63.661328] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 63.667488] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x74 # [ 63.673713] direct_entry.cold+0x2c/0x38 # [ 63.678093] full_proxy_write+0x56/0x80 # [ 63.682375] vfs_write+0xea/0x390 # [ 63.686075] ksys_write+0x68/0xe0 # [ 63.689776] do_syscall_64+0x33/0x40 # [ 63.693768] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 63.699409] RIP: 0033:0x7efcd57e1f33 # [ 63.703400] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 63.724388] RSP: 002b:00007fff384bd278 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.732846] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007efcd57e1f33 # [ 63.740817] RDX: 000000000000001f RSI: 00007efcd56d2000 RDI: 0000000000000001 # [ 63.748780] RBP: 00007efcd56d2000 R08: 00007efcd56d1010 R09: 0000000000000000 # [ 63.756742] R10: 00007efcd58dc1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 63.764713] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 63.772675] irq event stamp: 0 # [ 63.776082] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 63.783086] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 63.792225] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 63.801363] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 63.808357] ---[ end trace 5d0f9ae5181b6141 ]--- # [ 63.813514] 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 # [ 63.934750] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 63.944425] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 63.951554] ------------[ cut here ]------------ # [ 63.956732] refcount_t: underflow; use-after-free. # [ 63.962116] WARNING: CPU: 3 PID: 2285 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 63.971448] 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_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 63.997895] CPU: 3 PID: 2285 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 64.006546] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 64.013353] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 64.019091] Code: 05 1d 1e 76 01 01 e8 ef 1b 93 00 0f 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 be e5 8e c6 05 fb 1d 76 01 01 e8 d0 1b 93 00 <0f> 0b c3 80 3d ea 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 f0 be e5 # [ 64.040077] RSP: 0018:ffff977482c2fe40 EFLAGS: 00010286 # [ 64.045913] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 64.053885] RDX: ffff928ffadac660 RSI: ffff928ffad9bf70 RDI: ffff928ffad9bf70 # [ 64.061848] RBP: ffffffff8eec0080 R08: 0000000000000000 R09: 0000000000000000 # [ 64.069820] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 64.077793] R13: ffff977482c2ff10 R14: ffff977482c2ff10 R15: ffff928f83094000 # [ 64.085767] FS: 00007f3e4a0c8580(0000) GS:ffff928ffad80000(0000) knlGS:0000000000000000 # [ 64.094810] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.107445] CR2: 00007f3e49ee1000 CR3: 0000000103964002 CR4: 00000000003706e0 # [ 64.115420] Call Trace: # [ 64.118154] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 64.124315] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x77 # [ 64.130572] direct_entry.cold+0x2c/0x38 # [ 64.134981] full_proxy_write+0x56/0x80 # [ 64.139295] vfs_write+0xea/0x390 # [ 64.143015] ksys_write+0x68/0xe0 # [ 64.152957] do_syscall_64+0x33/0x40 # [ 64.156961] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 64.168807] RIP: 0033:0x7f3e49ff0f33 # [ 64.172799] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 64.193786] RSP: 002b:00007ffee21ab4e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 64.202247] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f3e49ff0f33 # [ 64.210219] RDX: 000000000000001f RSI: 00007f3e49ee1000 RDI: 0000000000000001 # [ 64.218193] RBP: 00007f3e49ee1000 R08: 00007f3e49ee0010 R09: 0000000000000000 # [ 64.226165] R10: 00007f3e4a0eb1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 64.234139] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 64.242115] irq event stamp: 0 # [ 64.245554] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.252557] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 64.261721] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 64.270860] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.277862] ---[ end trace 5d0f9ae5181b6142 ]--- # [ 64.283019] 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 # [ 64.371915] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 64.381447] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 64.388556] lkdtm: Good: zero detected # [ 64.392751] lkdtm: Correctly stayed at zero # [ 64.403637] lkdtm: attempting bad refcount_inc() from zero # [ 64.415982] ------------[ cut here ]------------ # [ 64.427353] refcount_t: addition on 0; use-after-free. # [ 64.439318] WARNING: CPU: 2 PID: 2317 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 # [ 64.454851] 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_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 64.487499] CPU: 2 PID: 2317 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 64.502364] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 64.515383] RIP: 0010:refcount_warn_saturate+0x68/0xf0 # [ 64.527334] Code: 05 5a 1e 76 01 01 e8 2d 1c 93 00 0f 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 be e5 8e c6 05 3a 1e 76 01 01 e8 0e 1c 93 00 <0f> 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 be e5 8e c6 05 1d # [ 64.554530] RSP: 0018:ffff977482cafe48 EFLAGS: 00010286 # [ 64.566582] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 64.580770] RDX: ffff928ffad2c660 RSI: ffff928ffad1bf70 RDI: ffff928ffad1bf70 # [ 64.594958] RBP: ffffffff8eec0421 R08: 0000000000000000 R09: 0000000000000000 # [ 64.602931] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 64.617116] R13: ffff977482caff10 R14: ffff977482caff10 R15: ffff928f83484000 # [ 64.631302] FS: 00007fbe205b7580(0000) GS:ffff928ffad00000(0000) knlGS:0000000000000000 # [ 64.646554] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.659187] CR2: 00007fbe203d0000 CR3: 0000000104eb0003 CR4: 00000000003706e0 # [ 64.667158] Call Trace: # [ 64.676104] lkdtm_REFCOUNT_INC_ZERO+0x99/0xbd # [ 64.687278] direct_entry.cold+0x2c/0x38 # [ 64.697873] full_proxy_write+0x56/0x80 # [ 64.708370] vfs_write+0xea/0x390 # [ 64.718285] ksys_write+0x68/0xe0 # [ 64.728203] do_syscall_64+0x33/0x40 # [ 64.738406] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 64.750263] RIP: 0033:0x7fbe204dff33 # [ 64.760468] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 64.787666] RSP: 002b:00007fff41dbddf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 64.802342] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fbe204dff33 # [ 64.816529] RDX: 0000000000000012 RSI: 00007fbe203d0000 RDI: 0000000000000001 # [ 64.824500] RBP: 00007fbe203d0000 R08: 00007fbe203cf010 R09: 0000000000000000 # [ 64.838683] R10: 00007fbe205da1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 64.846652] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 64.860840] irq event stamp: 0 # [ 64.870458] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.883678] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 64.899031] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 64.908170] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.915173] ---[ end trace 5d0f9ae5181b6143 ]--- # [ 64.920328] 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 # [ 65.016151] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 65.024587] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 65.031722] lkdtm: Good: zero detected # [ 65.035933] lkdtm: Correctly stayed at zero # [ 65.046815] lkdtm: attempting bad refcount_add() from zero # [ 65.059168] ------------[ cut here ]------------ # [ 65.064350] refcount_t: addition on 0; use-after-free. # [ 65.070130] WARNING: CPU: 2 PID: 2349 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 # [ 65.079475] 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_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 65.105939] CPU: 2 PID: 2349 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 65.120804] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 65.127643] RIP: 0010:refcount_warn_saturate+0x68/0xf0 # [ 65.139586] Code: 05 5a 1e 76 01 01 e8 2d 1c 93 00 0f 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 be e5 8e c6 05 3a 1e 76 01 01 e8 0e 1c 93 00 <0f> 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 be e5 8e c6 05 1d # [ 65.160572] RSP: 0018:ffff977482d3fe48 EFLAGS: 00010286 # [ 65.166408] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 65.174379] RDX: ffff928ffad2c660 RSI: ffff928ffad1bf70 RDI: ffff928ffad1bf70 # [ 65.182349] RBP: ffffffff8eec0433 R08: 0000000000000000 R09: 0000000000000000 # [ 65.190321] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 65.198292] R13: ffff977482d3ff10 R14: ffff977482d3ff10 R15: ffff928f8274c000 # [ 65.206263] FS: 00007f54e7e61580(0000) GS:ffff928ffad00000(0000) knlGS:0000000000000000 # [ 65.215305] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.221722] CR2: 00007f54e7c7a000 CR3: 00000001065ce006 CR4: 00000000003706e0 # [ 65.229693] Call Trace: # [ 65.232427] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xbd # [ 65.237424] direct_entry.cold+0x2c/0x38 # [ 65.241837] full_proxy_write+0x56/0x80 # [ 65.246123] vfs_write+0xea/0x390 # [ 65.249854] ksys_write+0x68/0xe0 # [ 65.253558] do_syscall_64+0x33/0x40 # [ 65.257581] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 65.263225] RIP: 0033:0x7f54e7d89f33 # [ 65.267219] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 65.288202] RSP: 002b:00007ffe41249c38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.296660] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f54e7d89f33 # [ 65.304635] RDX: 0000000000000012 RSI: 00007f54e7c7a000 RDI: 0000000000000001 # [ 65.312605] RBP: 00007f54e7c7a000 R08: 00007f54e7c79010 R09: 0000000000000000 # [ 65.320581] R10: 00007f54e7e841c0 R11: 0000000000000246 R12: 0000000000000001 # [ 65.334769] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.342750] irq event stamp: 0 # [ 65.346190] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.353194] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 65.362357] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 65.371497] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.378499] ---[ end trace 5d0f9ae5181b6144 ]--- # [ 65.383656] 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 # [ 65.479802] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 65.488418] lkdtm: attempting bad refcount_inc() from saturated # [ 65.501249] ------------[ cut here ]------------ # [ 65.512621] refcount_t: saturated; leaking memory. # [ 65.518003] WARNING: CPU: 1 PID: 2384 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 65.533514] 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_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 65.566159] CPU: 1 PID: 2384 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 65.581023] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 65.587832] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 65.599780] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 6a 1e 76 01 00 75 f2 48 c7 c7 40 be e5 8e c6 05 5a 1e 76 01 01 e8 2d 1c 93 00 <0f> 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 be e5 8e c6 05 3a # [ 65.620773] RSP: 0018:ffff977482dc7e48 EFLAGS: 00010286 # [ 65.632822] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 65.647015] RDX: ffff928ffacac660 RSI: ffff928ffac9bf70 RDI: ffff928ffac9bf70 # [ 65.661202] RBP: ffffffff8eec0445 R08: 0000000000000000 R09: 0000000000000000 # [ 65.669174] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 65.683381] R13: ffff977482dc7f10 R14: ffff977482dc7f10 R15: ffff928f85a61000 # [ 65.697550] FS: 00007f25c3e93580(0000) GS:ffff928ffac80000(0000) knlGS:0000000000000000 # [ 65.712801] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.719219] CR2: 00007f25c3cac000 CR3: 0000000105a52002 CR4: 00000000003706e0 # [ 65.733401] Call Trace: # [ 65.736133] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x60 # [ 65.747798] direct_entry.cold+0x2c/0x38 # [ 65.758394] full_proxy_write+0x56/0x80 # [ 65.768889] vfs_write+0xea/0x390 # [ 65.772589] ksys_write+0x68/0xe0 # [ 65.782501] do_syscall_64+0x33/0x40 # [ 65.786492] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 65.798344] RIP: 0033:0x7f25c3dbbf33 # [ 65.802336] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 65.829529] RSP: 002b:00007ffd57381908 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.838014] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f25c3dbbf33 # [ 65.852192] RDX: 0000000000000017 RSI: 00007f25c3cac000 RDI: 0000000000000001 # [ 65.860164] RBP: 00007f25c3cac000 R08: 00007f25c3cab010 R09: 0000000000000000 # [ 65.868135] R10: 00007f25c3eb61c0 R11: 0000000000000246 R12: 0000000000000001 # [ 65.876108] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.884083] irq event stamp: 0 # [ 65.893704] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.900707] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 65.916053] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 65.931400] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.944614] ---[ end trace 5d0f9ae5181b6145 ]--- # [ 65.949770] 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 # [ 66.047520] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 66.055649] lkdtm: attempting bad refcount_dec() from saturated # [ 66.062291] ------------[ cut here ]------------ # [ 66.067468] refcount_t: decrement hit 0; leaking memory. # [ 66.073435] WARNING: CPU: 2 PID: 2419 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 # [ 66.082765] 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_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.109215] CPU: 2 PID: 2419 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 66.117867] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 66.124677] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 # [ 66.130440] Code: ff 48 c7 c7 f0 be e5 8e c6 05 d6 1d 76 01 01 e8 ad 1b 93 00 0f 0b c3 48 c7 c7 c0 be e5 8e c6 05 c1 1d 76 01 01 e8 97 1b 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 # [ 66.151426] RSP: 0018:ffff977482e47e48 EFLAGS: 00010286 # [ 66.157262] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 66.165234] RDX: ffff928ffad2c660 RSI: ffff928ffad1bf70 RDI: ffff928ffad1bf70 # [ 66.173206] RBP: ffffffff8eec045c R08: 0000000000000000 R09: 0000000000000000 # [ 66.181176] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 66.189140] R13: ffff977482e47f10 R14: ffff977482e47f10 R15: ffff928f834ae000 # [ 66.203331] FS: 00007f245d0a0580(0000) GS:ffff928ffad00000(0000) knlGS:0000000000000000 # [ 66.212367] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.218787] CR2: 00007f245ceb9000 CR3: 0000000104200005 CR4: 00000000003706e0 # [ 66.226758] Call Trace: # [ 66.229482] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5b # [ 66.234960] direct_entry.cold+0x2c/0x38 # [ 66.239343] full_proxy_write+0x56/0x80 # [ 66.243649] vfs_write+0xea/0x390 # [ 66.247349] ksys_write+0x68/0xe0 # [ 66.251062] do_syscall_64+0x33/0x40 # [ 66.255064] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 66.260707] RIP: 0033:0x7f245cfc8f33 # [ 66.264697] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 66.285684] RSP: 002b:00007ffedc452338 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.294143] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f245cfc8f33 # [ 66.302114] RDX: 0000000000000017 RSI: 00007f245ceb9000 RDI: 0000000000000001 # [ 66.310084] RBP: 00007f245ceb9000 R08: 00007f245ceb8010 R09: 0000000000000000 # [ 66.318063] R10: 00007f245d0c31c0 R11: 0000000000000246 R12: 0000000000000001 # [ 66.326035] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.334029] irq event stamp: 0 # [ 66.337437] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.344440] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 66.353599] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 66.362736] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.369738] ---[ end trace 5d0f9ae5181b6146 ]--- # [ 66.374894] 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 # [ 66.476090] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 66.487018] lkdtm: attempting bad refcount_dec() from saturated # [ 66.493673] ------------[ cut here ]------------ # [ 66.498857] refcount_t: saturated; leaking memory. # [ 66.510430] WARNING: CPU: 3 PID: 2454 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 66.525963] 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_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.552426] CPU: 3 PID: 2454 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 66.567290] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 66.574133] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 66.586076] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 6a 1e 76 01 00 75 f2 48 c7 c7 40 be e5 8e c6 05 5a 1e 76 01 01 e8 2d 1c 93 00 <0f> 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 be e5 8e c6 05 3a # [ 66.607076] RSP: 0018:ffff977482ec7e48 EFLAGS: 00010286 # [ 66.612914] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 66.620884] RDX: ffff928ffadac660 RSI: ffff928ffad9bf70 RDI: ffff928ffad9bf70 # [ 66.628858] RBP: ffffffff8eec0473 R08: 0000000000000000 R09: 0000000000000000 # [ 66.636829] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 66.644802] R13: ffff977482ec7f10 R14: ffff977482ec7f10 R15: ffff928f841be000 # [ 66.652777] FS: 00007efecaa3d580(0000) GS:ffff928ffad80000(0000) knlGS:0000000000000000 # [ 66.661817] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.668233] CR2: 00007efeca856000 CR3: 0000000101260004 CR4: 00000000003706e0 # [ 66.676205] Call Trace: # [ 66.678938] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x60 # [ 66.684417] direct_entry.cold+0x2c/0x38 # [ 66.688830] full_proxy_write+0x56/0x80 # [ 66.693116] vfs_write+0xea/0x390 # [ 66.696847] ksys_write+0x68/0xe0 # [ 66.700548] do_syscall_64+0x33/0x40 # [ 66.704571] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 66.710215] RIP: 0033:0x7efeca965f33 # [ 66.714208] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 66.735192] RSP: 002b:00007ffe9bf7b3c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.743652] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007efeca965f33 # [ 66.751626] RDX: 0000000000000017 RSI: 00007efeca856000 RDI: 0000000000000001 # [ 66.759599] RBP: 00007efeca856000 R08: 00007efeca855010 R09: 0000000000000000 # [ 66.767572] R10: 00007efecaa601c0 R11: 0000000000000246 R12: 0000000000000001 # [ 66.775545] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.783522] irq event stamp: 0 # [ 66.793142] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.800147] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 66.815497] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 66.824634] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.831637] ---[ end trace 5d0f9ae5181b6147 ]--- # [ 66.836792] 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 # [ 66.926781] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 66.937363] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 66.944906] ------------[ cut here ]------------ # [ 66.950098] refcount_t: saturated; leaking memory. # [ 66.961646] WARNING: CPU: 3 PID: 2486 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 # [ 66.970990] 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_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.997433] CPU: 3 PID: 2486 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 67.006085] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 67.012895] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 67.018633] Code: 05 3a 1e 76 01 01 e8 0e 1c 93 00 0f 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 be e5 8e c6 05 1d 1e 76 01 01 e8 ef 1b 93 00 <0f> 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 be e5 8e c6 05 fb # [ 67.039619] RSP: 0018:ffff977482e4fe38 EFLAGS: 00010282 # [ 67.045457] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 67.053432] RDX: ffff928ffadac660 RSI: ffff928ffad9bf70 RDI: ffff928ffad9bf70 # [ 67.061405] RBP: ffffffff8eec00a0 R08: 0000000000000000 R09: 0000000000000000 # [ 67.069379] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 67.083570] R13: ffff977482e4ff10 R14: ffff977482e4ff10 R15: ffff928f84028000 # [ 67.097761] FS: 00007f184aabc580(0000) GS:ffff928ffad80000(0000) knlGS:0000000000000000 # [ 67.106801] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.113216] CR2: 00007f184a8d5000 CR3: 000000010356c004 CR4: 00000000003706e0 # [ 67.121188] Call Trace: # [ 67.123918] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 67.130071] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x72 # [ 67.136396] direct_entry.cold+0x2c/0x38 # [ 67.140775] full_proxy_write+0x56/0x80 # [ 67.145073] vfs_write+0xea/0x390 # [ 67.148771] ksys_write+0x68/0xe0 # [ 67.152473] do_syscall_64+0x33/0x40 # [ 67.156465] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 67.162104] RIP: 0033:0x7f184a9e4f33 # [ 67.166096] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 67.187084] RSP: 002b:00007fffe3dfdae8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.195539] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f184a9e4f33 # [ 67.203506] RDX: 0000000000000020 RSI: 00007f184a8d5000 RDI: 0000000000000001 # [ 67.211478] RBP: 00007f184a8d5000 R08: 00007f184a8d4010 R09: 0000000000000000 # [ 67.219450] R10: 00007f184aadf1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 67.227421] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.235385] irq event stamp: 0 # [ 67.238792] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.245795] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 67.254934] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 67.264075] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.271074] ---[ end trace 5d0f9ae5181b6148 ]--- # [ 67.276230] 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 # [ 68.152256] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 68.160615] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 68.174334] ------------[ cut here ]------------ # [ 68.185693] refcount_t: saturated; leaking memory. # [ 68.197282] WARNING: CPU: 0 PID: 2518 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 # [ 68.212827] 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_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 68.245466] CPU: 0 PID: 2518 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 68.260323] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 68.267165] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 68.279124] Code: 05 3a 1e 76 01 01 e8 0e 1c 93 00 0f 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 be e5 8e c6 05 1d 1e 76 01 01 e8 ef 1b 93 00 <0f> 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 be e5 8e c6 05 fb # [ 68.306350] RSP: 0018:ffff977482fa7e38 EFLAGS: 00010282 # [ 68.318392] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 68.326397] RDX: ffff928ffac2c660 RSI: ffff928ffac1bf70 RDI: ffff928ffac1bf70 # [ 68.340580] RBP: ffffffff8eec00c0 R08: 0000000000000000 R09: 0000000000000000 # [ 68.354758] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 68.362762] R13: ffff977482fa7f10 R14: ffff977482fa7f10 R15: ffff928f84d7b000 # [ 68.376958] FS: 00007f2ca056a580(0000) GS:ffff928ffac00000(0000) knlGS:0000000000000000 # [ 68.392200] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.404883] CR2: 00007f2ca0383000 CR3: 0000000104c10006 CR4: 00000000003706f0 # [ 68.419041] Call Trace: # [ 68.428085] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 68.440389] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x72 # [ 68.452937] direct_entry.cold+0x2c/0x38 # [ 68.463569] full_proxy_write+0x56/0x80 # [ 68.474072] vfs_write+0xea/0x390 # [ 68.484004] ksys_write+0x68/0xe0 # [ 68.493946] do_syscall_64+0x33/0x40 # [ 68.504190] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 68.516069] RIP: 0033:0x7f2ca0492f33 # [ 68.526317] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 68.553523] RSP: 002b:00007ffc5d5c6068 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.568228] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f2ca0492f33 # [ 68.582435] RDX: 0000000000000020 RSI: 00007f2ca0383000 RDI: 0000000000000001 # [ 68.596638] RBP: 00007f2ca0383000 R08: 00007f2ca0382010 R09: 0000000000000000 # [ 68.610829] R10: 00007f2ca058d1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 68.625060] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.639236] irq event stamp: 0 # [ 68.648891] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 68.662117] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 68.677501] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 68.692831] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 68.706068] ---[ end trace 5d0f9ae5181b6149 ]--- # [ 68.717425] 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 # [ 68.829473] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 68.842815] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 68.856554] ------------[ cut here ]------------ # [ 68.867919] refcount_t: underflow; use-after-free. # [ 68.879500] WARNING: CPU: 0 PID: 2553 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 68.895031] 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_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 68.927711] CPU: 0 PID: 2553 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 68.942594] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 68.955627] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 68.967598] Code: 05 1d 1e 76 01 01 e8 ef 1b 93 00 0f 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 be e5 8e c6 05 fb 1d 76 01 01 e8 d0 1b 93 00 <0f> 0b c3 80 3d ea 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 f0 be e5 # [ 68.994809] RSP: 0018:ffff97748304fe40 EFLAGS: 00010286 # [ 69.006851] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 69.021026] RDX: ffff928ffac2c660 RSI: ffff928ffac1bf70 RDI: ffff928ffac1bf70 # [ 69.035225] RBP: ffffffff8eec00e0 R08: 0000000000000000 R09: 0000000000000000 # [ 69.049439] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 69.063603] R13: ffff97748304ff10 R14: ffff97748304ff10 R15: ffff928f8588f000 # [ 69.077817] FS: 00007fc682bc0580(0000) GS:ffff928ffac00000(0000) knlGS:0000000000000000 # [ 69.093074] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.105721] CR2: 00007fc6829d9000 CR3: 0000000102ae6003 CR4: 00000000003706f0 # [ 69.119871] Call Trace: # [ 69.128835] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 69.141161] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x72 # [ 69.153712] direct_entry.cold+0x2c/0x38 # [ 69.164294] full_proxy_write+0x56/0x80 # [ 69.174834] vfs_write+0xea/0x390 # [ 69.184716] ksys_write+0x68/0xe0 # [ 69.194643] do_syscall_64+0x33/0x40 # [ 69.204840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 69.216748] RIP: 0033:0x7fc682ae8f33 # [ 69.226910] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 69.254118] RSP: 002b:00007ffd7c814bf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 69.268795] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fc682ae8f33 # [ 69.282979] RDX: 0000000000000020 RSI: 00007fc6829d9000 RDI: 0000000000000001 # [ 69.297188] RBP: 00007fc6829d9000 R08: 00007fc6829d8010 R09: 0000000000000000 # [ 69.311372] R10: 00007fc682be31c0 R11: 0000000000000246 R12: 0000000000000001 # [ 69.325565] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 69.339780] irq event stamp: 0 # [ 69.349391] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 69.362611] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 69.377961] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 69.393296] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 69.406513] ---[ end trace 5d0f9ae5181b614a ]--- # [ 69.411703] 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 # [ 69.590639] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 69.601237] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 69.608731] ------------[ cut here ]------------ # [ 69.613889] refcount_t: underflow; use-after-free. # [ 69.619253] WARNING: CPU: 3 PID: 2588 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 69.634789] 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_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 69.667433] CPU: 3 PID: 2588 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 69.676085] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 69.682892] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 69.688653] Code: 05 1d 1e 76 01 01 e8 ef 1b 93 00 0f 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 be e5 8e c6 05 fb 1d 76 01 01 e8 d0 1b 93 00 <0f> 0b c3 80 3d ea 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 f0 be e5 # [ 69.709647] RSP: 0018:ffff9774830ffe40 EFLAGS: 00010286 # [ 69.721692] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 69.729663] RDX: ffff928ffadac660 RSI: ffff928ffad9bf70 RDI: ffff928ffad9bf70 # [ 69.737635] RBP: ffffffff8eec0100 R08: 0000000000000000 R09: 0000000000000000 # [ 69.745607] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 69.753578] R13: ffff9774830fff10 R14: ffff9774830fff10 R15: ffff928f84dca000 # [ 69.761539] FS: 00007fa517208580(0000) GS:ffff928ffad80000(0000) knlGS:0000000000000000 # [ 69.770571] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.776988] CR2: 00007fa517021000 CR3: 0000000102b68001 CR4: 00000000003706e0 # [ 69.784984] Call Trace: # [ 69.787736] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 69.793891] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x72 # [ 69.800213] direct_entry.cold+0x2c/0x38 # [ 69.804593] full_proxy_write+0x56/0x80 # [ 69.808875] vfs_write+0xea/0x390 # [ 69.812574] ksys_write+0x68/0xe0 # [ 69.816272] do_syscall_64+0x33/0x40 # [ 69.820261] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 69.825902] RIP: 0033:0x7fa517130f33 # [ 69.829891] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 69.850874] RSP: 002b:00007ffd1955a4f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 69.859330] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fa517130f33 # [ 69.867299] RDX: 0000000000000020 RSI: 00007fa517021000 RDI: 0000000000000001 # [ 69.875262] RBP: 00007fa517021000 R08: 00007fa517020010 R09: 0000000000000000 # [ 69.883223] R10: 00007fa51722b1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 69.891193] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 69.899167] irq event stamp: 0 # [ 69.902576] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 69.915796] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 69.931151] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 69.940320] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 69.947319] ---[ end trace 5d0f9ae5181b614b ]--- # [ 69.952477] 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 # [ 70.089065] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 70.101858] lkdtm: attempting good copy_to_user of correct size # [ 70.114695] 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 # [ 70.205934] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 70.215290] lkdtm: attempting good copy_from_user of correct size # [ 70.222134] 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 # [ 70.315149] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 70.323268] lkdtm: attempting good copy_to_user inside whitelist # [ 70.336199] 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 # [ 70.429165] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 70.437310] lkdtm: attempting good copy_from_user inside whitelist # [ 70.450457] 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 # [ 70.543787] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 70.551245] lkdtm: good_stack: ffff97748344fe20-ffff97748344fe40 # [ 70.558005] lkdtm: bad_stack : ffff97748344fda8-ffff97748344fdc8 # [ 70.564732] lkdtm: attempting good copy_to_user of local stack # [ 70.577456] 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 # [ 70.675115] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 70.684488] lkdtm: good_stack: ffff9774834dfe20-ffff9774834dfe40 # [ 70.697414] lkdtm: bad_stack : ffff9774834dfda8-ffff9774834dfdc8 # [ 70.710341] lkdtm: attempting good copy_from_user of local stack # [ 70.723243] 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 # [ 70.814162] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 70.823805] lkdtm: good_stack: ffff97748352fe20-ffff97748352fe40 # [ 70.830555] lkdtm: bad_stack : ffff97748352fff8-ffff977483530018 # [ 70.843504] lkdtm: attempting good copy_to_user of local stack # [ 70.856247] lkdtm: attempting bad copy_to_user of distant stack # [ 70.862867] 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 # [ 70.948798] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 70.955682] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff8ead9f10 # [ 70.964386] lkdtm: attempting bad copy_to_user from kernel text: ffffffff8d8d1460 # [ 70.972771] 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 # [ 71.061636] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 71.071688] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 71.085805] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 71.099781] lkdtm: FAIL: the thread stack is NOT properly erased # [ 71.106494] CPU: 1 PID: 2953 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 71.121355] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 71.128149] Call Trace: # [ 71.130879] dump_stack+0x77/0x97 # [ 71.140785] lkdtm_STACKLEAK_ERASING+0x116/0x140 # [ 71.145940] direct_entry.cold+0x2c/0x38 # [ 71.150321] full_proxy_write+0x56/0x80 # [ 71.154601] vfs_write+0xea/0x390 # [ 71.164509] ksys_write+0x68/0xe0 # [ 71.168197] do_syscall_64+0x33/0x40 # [ 71.172188] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 71.177829] RIP: 0033:0x7ffb1e8bdf33 # [ 71.181817] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 71.202807] RSP: 002b:00007ffe56007c58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 71.211265] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007ffb1e8bdf33 # [ 71.219238] RDX: 0000000000000012 RSI: 00007ffb1e7ae000 RDI: 0000000000000001 # [ 71.227210] RBP: 00007ffb1e7ae000 R08: 00007ffb1e7ad010 R09: 0000000000000000 # [ 71.235178] R10: 00007ffb1e9b81c0 R11: 0000000000000246 R12: 0000000000000001 # [ 71.243145] 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 # [ 71.354418] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 71.363093] lkdtm: Calling matched prototype ... # [ 71.368281] lkdtm: Calling mismatched prototype ... # [ 71.373737] 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 / #