[Enter `^Ec?' for help] coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: .Timeout wait for TPM IRQ! .Timeout wait for TPM IRQ! . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2da4373 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_A:0.5.6/cr50_v1.9308_87_mp.510-d2da4373 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 46949 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_A:0.5.6/cr50_v1.9308_87_mp.510-d2da4373 Initialized TPM device CR50 revision 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: Hash comparison successful. Using data from RECOVERY_MRC_CACHE MRC cache found, size 1868 bootmode is set to :2 SPD index 1 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'spd.bin' CBFS: Found @ offset 1a0240 size 800 SPD: module type is LPDDR3 SPD: module part is K4E8E324EB-EGCF SPD: banks 8, ranks 1, rows 15, columns 10, density 8192 Mb SPD: device width 32 bits, bus width 64 bits SPD: module size is 2048 MB (per channel) CBMEM: IMD: root @ 7afff000 254 entries. IMD: root @ 7affec00 62 entries. External stage cache: IMD: root @ 7b3ff000 254 entries. IMD: root @ 7b3fec00 62 entries. creating vboot_handoff structure Chrome EC: clear events_b mask to 0x0000000021004000 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 tlcl_write: response is 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: TPM MRC hash updated successfully. 2 DIMMs found top_of_ram = 0x7b000000 MTRR Range: Start=7a000000 End=7b000000 (Size 1000000) MTRR Range: Start=7b000000 End=7b800000 (Size 800000) MTRR Range: Start=ff000000 End=0 (Size 1000000) CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/postcar' CBFS: Found @ offset 197000 size 3f04 Decompressing stage fallback/postcar @ 0x7abd0fc0 (32720 bytes) Loading module at 7abd1000 with entry 7abd1000. filesize: 0x3cd0 memsize: 0x7f90 Processing 118 relocs. Offset value of 0x78bd1000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 postcar starting... CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/ramstage' CBFS: Found @ offset e8d80 size 1a462 Decompressing stage fallback/ramstage @ 0x7ab05fc0 (826808 bytes) Loading module at 7ab06000 with entry 7ab06000. filesize: 0x38d90 memsize: 0xc9d78 Processing 3657 relocs. Offset value of 0x79d06000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 ramstage starting... FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RO_VPD found @ c00000 (16384 bytes) WARNING: RO_VPD is uninitialized or empty. FMAP: area RW_VPD found @ 9f8000 (8192 bytes) FMAP: area RW_VPD found @ 9f8000 (8192 bytes) Normal boot. BS: BS_PRE_DEVICE times (us): entry 0 run 30 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'cpu_microcode_blob.bin' CBFS: Found @ offset 11100 size d7c00 microcode: sig=0x806e9 pf=0x10 revision=0x97 Skip microcode update CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fsps.bin' CBFS: Found @ offset 167fc0 size 2f000 Detected 2 core, 4 thread CPU. Setting up SMI for CPU IED base = 0x7b400000 IED size = 0x00400000 Will perform SMM setup. CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz. Loading module at 00030000 with entry 00030000. filesize: 0x170 memsize: 0x170 Processing 16 relocs. Offset value of 0x00030000 Attempting to start 3 APs Waiting for 10ms after sending INIT. Waiting for 1st SIPI to complete...AP: slot 1 apic_id 1. done. AP: slot 3 apic_id 3. AP: slot 2 apic_id 2. Waiting for 2nd SIPI to complete...done. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab21603(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010a19. filesize: 0x3b08 memsize: 0x8bc0 Processing 243 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd SMM Module: stub loaded at 7b008000. Will call 7b010a19(00000000) Clearing SMI status registers SMI_STS: PM1 PM1_STS: PWRBTN TCO_STS: BOOT SECOND_TO New SMBASE 0x7b000000 In relocation handler: CPU 0 New SMBASE=0x7b000000 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afffc00 In relocation handler: CPU 1 New SMBASE=0x7afffc00 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff400 In relocation handler: CPU 3 New SMBASE=0x7afff400 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff800 In relocation handler: CPU 2 New SMBASE=0x7afff800 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. Initializing CPU #0 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC... apic_id: 0x00 done. Turbo is available but hidden Turbo has been enabled SGX : param.enable = 0 Skip microcode update CPU #0 initialized Initializing CPU #1 Initializing CPU #2 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Initializing CPU #3 Setting up local APIC...CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC... apic_id: 0x01 done. Setting up local APIC...Skip microcode update apic_id: 0x03 done. apic_id: 0x02 done. Skip microcode update Skip microcode update CPU #3 initialized CPU #2 initialized CPU #1 initialized bsp_do_flight_plan done after 226 msecs. CPU: frequency set to 3400 MHz Enabling SMIs. Locking SMM. VMX : param.enable = 1 VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked VMX status: enabled, unlocked SGX: pre-conditions not met SGX: pre-conditions not met CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'vbt.bin' CBFS: Found @ offset 103a00 size 48e Found a VBT of 4608 bytes after decompression psys_pmax = 360 FMAP: area GBB found @ c11000 (978944 bytes) ITSS IRQ Polarities Before: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 ITSS IRQ Polarities After: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 Override DT after FSP-S, PCH is KBL/SKL PCH-LP SKU BS: BS_DEV_INIT_CHIPS times (us): entry 376100 run 166489 exit 0 Enumerating buses... Show all devs... Before device enumeration. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 00:5c: enabled 1 I2C: 00:15: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 02: enabled 1 APIC: 03: enabled 1 Compare with tree... Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 APIC: 00: enabled 1 APIC: 01: enabled 1 APIC: 02: enabled 1 APIC: 03: enabled 1 DOMAIN: 0000: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 USB0 port 0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 I2C: 00:5c: enabled 1 PCI: 00:15.1: enabled 1 I2C: 00:15: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 SPI: 00: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PNP: 0c09.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 Root Device scanning... root_dev_scan_bus for Root Device CPU_CLUSTER: 0 enabled DOMAIN: 0000 enabled DOMAIN: 0000 scanning... PCI: pci_scan_bus for bus 00 PCI: 00:00.0 [8086/0000] ops PCI: 00:00.0 [8086/590c] enabled PCI: 00:02.0 [8086/0000] ops PCI: 00:02.0 [8086/591c] enabled PCI: 00:04.0 [8086/1903] enabled PCI: 00:08.0 [8086/1911] enabled PCI: 00:14.0 [8086/0000] bus ops PCI: 00:14.0 [8086/9d2f] enabled PCI: 00:14.2 [8086/9d31] enabled PCI: 00:15.0 [8086/0000] bus ops PCI: 00:15.0 [8086/9d60] enabled PCI: 00:15.1 [8086/0000] bus ops PCI: 00:15.1 [8086/9d61] enabled PCI: 00:16.0 [8086/0000] ops PCI: 00:16.0 [8086/9d3a] enabled PCI: 00:19.0 [8086/0000] ops PCI: 00:19.0 [8086/9d66] enabled PCI: 00:19.1 [8086/0000] bus ops PCI: 00:19.1 [8086/9d65] enabled PCI: 00:1c.0 [8086/0000] bus ops PCI: 00:1c.0 [8086/9d10] enabled PCI: 00:1e.0 [8086/0000] ops PCI: 00:1e.0 [8086/9d27] enabled PCI: 00:1e.2 [8086/0000] bus ops PCI: 00:1e.2 [8086/9d29] enabled PCI: 00:1e.4 [8086/9d2b] enabled PCI: 00:1e.6 [8086/0000] ops PCI: 00:1e.6 [8086/9d2d] enabled PCI: 00:1f.0 [8086/0000] bus ops PCI: 00:1f.0 [8086/9d4b] enabled PCI: Static device PCI: 00:1f.1 not found, disabling it. PCI: 00:1f.2 [8086/0000] bus ops PCI: 00:1f.2 [8086/9d21] enabled PCI: 00:1f.3 [8086/0000] bus ops PCI: 00:1f.3 [8086/9d71] enabled PCI: 00:1f.4 [8086/0000] bus ops PCI: 00:1f.4 [8086/9d23] enabled PCI: 00:1f.5 [8086/0000] bus ops PCI: 00:1f.5 [8086/9d24] enabled PCI: 00:14.0 scanning... scan_usb_bus for PCI: 00:14.0 USB0 port 0 enabled USB0 port 0 scanning... scan_usb_bus for USB0 port 0 USB2 port 0 enabled USB2 port 1 enabled USB2 port 2 enabled USB2 port 4 enabled USB2 port 8 enabled USB2 port 0 scanning... scan_usb_bus for USB2 port 0 scan_usb_bus for USB2 port 0 done scan_bus: scanning of bus USB2 port 0 took 8978 usecs USB2 port 1 scanning... scan_usb_bus for USB2 port 1 scan_usb_bus for USB2 port 1 done scan_bus: scanning of bus USB2 port 1 took 8972 usecs USB2 port 2 scanning... scan_usb_bus for USB2 port 2 scan_usb_bus for USB2 port 2 done scan_bus: scanning of bus USB2 port 2 took 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 8973 usecs scan_usb_bus for USB0 port 0 done scan_bus: scanning of bus USB0 port 0 took 90970 usecs scan_usb_bus for PCI: 00:14.0 done scan_bus: scanning of bus PCI: 00:14.0 took 107752 usecs PCI: 00:15.0 scanning... scan_generic_bus for PCI: 00:15.0 bus: PCI: 00:15.0[0]->I2C: 01:5c enabled scan_generic_bus for PCI: 00:15.0 done scan_bus: scanning of bus PCI: 00:15.0 took 14157 usecs PCI: 00:15.1 scanning... scan_generic_bus for PCI: 00:15.1 bus: PCI: 00:15.1[0]->I2C: 02:15 enabled scan_generic_bus for PCI: 00:15.1 done scan_bus: scanning of bus PCI: 00:15.1 took 14155 usecs PCI: 00:19.1 scanning... scan_generic_bus for PCI: 00:19.1 bus: PCI: 00:19.1[0]->I2C: 03:39 enabled bus: PCI: 00:19.1[0]->I2C: 03:3a enabled bus: PCI: 00:19.1[0]->I2C: 03:1a enabled scan_generic_bus for PCI: 00:19.1 done scan_bus: scanning of bus PCI: 00:19.1 took 22375 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 13860 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 11317 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 9263 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 10045 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 10045 usecs scan_bus: scanning of bus DOMAIN: 0000 took 466099 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 486213 usecs done Chrome EC: UHEPI supported FMAP: area RECOVERY_MRC_CACHE found @ 9d0000 (65536 bytes) MRC: Checking cached data update for 'RECOVERY_MRC_CACHE'. SF: Detected FAST_SPI Hardware Sequencer with sector size 0x1000, total 0x1000000 FMAP: area UNIFIED_MRC_CACHE found @ 9d0000 (131072 bytes) SPI flash protection: WPSW=0 SRP0=0 MRC: NOT enabling PRR for 'UNIFIED_MRC_CACHE'. BS: BS_DEV_ENUMERATE times (us): entry 0 run 826061 exit 39507 found VGA at PCI: 00:02.0 Setting up VGA for PCI: 00:02.0 Setting PCI_BRIDGE_CTL_VGA for bridge DOMAIN: 0000 Setting PCI_BRIDGE_CTL_VGA for bridge Root Device Allocating resources... Reading resources... Root Device read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 PCI: 00:14.0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 done PCI: 00:14.0 read_resources bus 0 link: 0 done PCI: 00:15.0 read_resources bus 1 link: 0 PCI: 00:15.0 read_resources bus 1 link: 0 done PCI: 00:15.1 read_resources bus 2 link: 0 PCI: 00:15.1 read_resources bus 2 link: 0 done PCI: 00:19.1 read_resources bus 3 link: 0 PCI: 00:19.1 read_resources bus 3 link: 0 done PCI: 00:1c.0 read_resources bus 1 link: 0 PCI: 00:1c.0 read_resources bus 1 link: 0 done PCI: 00:1e.2 read_resources bus 4 link: 0 PCI: 00:1e.2 read_resources bus 4 link: 0 done PCI: 00:1f.0 read_resources bus 0 link: 0 PCI: 00:1f.0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 done Root Device read_resources bus 0 link: 0 done Done reading resources. Show resources in subtree (Root Device)...After reading. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 02 APIC: 03 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffff flags 40040100 index 10000000 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base 0 size 1000000 align 24 gran 24 limit ffffffffffffffff flags 201 index 10 PCI: 00:02.0 resource base 0 size 10000000 align 28 gran 28 limit ffffffffffffffff flags 1201 index 18 PCI: 00:02.0 resource base 0 size 40 align 6 gran 6 limit ffff flags 100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base 0 size 8000 align 15 gran 15 limit ffffffffffffffff flags 201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base 0 size 0 align 12 gran 12 limit ffff flags 80102 index 1c PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffffffffffff flags 81202 index 24 PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffff flags 80202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base 0 size 2000 align 13 gran 13 limit ffffffffffffffff flags 201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base 0 size 4000 align 14 gran 14 limit ffffffff flags 200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base 0 size 4000 align 14 gran 14 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.3 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base 0 size 100 align 12 gran 8 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base 0 size 1000 align 12 gran 12 limit ffffffff flags 200 index 10 PCI: 00:1f.6 DOMAIN: 0000 io: base: 0 size: 0 align: 0 gran: 0 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff done PCI: 00:02.0 20 * [0x0 - 0x3f] io DOMAIN: 0000 io: base: 40 size: 40 align: 6 gran: 0 limit: ffff done DOMAIN: 0000 mem: base: 0 size: 0 align: 0 gran: 0 limit: ffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff done PCI: 00:1c.0 mem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffff PCI: 01:00.0 10 * [0x0 - 0x1fff] mem PCI: 00:1c.0 mem: base: 2000 size: 100000 align: 20 gran: 20 limit: ffffffff done PCI: 00:02.0 18 * [0x0 - 0xfffffff] prefmem PCI: 00:02.0 10 * [0x10000000 - 0x10ffffff] mem PCI: 00:1c.0 20 * [0x11000000 - 0x110fffff] mem PCI: 00:14.0 10 * [0x11100000 - 0x1110ffff] mem PCI: 00:1f.3 20 * [0x11110000 - 0x1111ffff] mem PCI: 00:04.0 10 * [0x11120000 - 0x11127fff] mem PCI: 00:1f.2 10 * [0x11128000 - 0x1112bfff] mem PCI: 00:1f.3 10 * [0x1112c000 - 0x1112ffff] mem PCI: 00:08.0 10 * [0x11130000 - 0x11130fff] mem PCI: 00:14.2 10 * [0x11131000 - 0x11131fff] mem PCI: 00:15.0 10 * [0x11132000 - 0x11132fff] mem PCI: 00:15.1 10 * [0x11133000 - 0x11133fff] mem PCI: 00:16.0 10 * [0x11134000 - 0x11134fff] mem PCI: 00:19.0 18 * [0x11135000 - 0x11135fff] mem PCI: 00:19.1 10 * [0x11136000 - 0x11136fff] mem PCI: 00:1e.0 10 * [0x11137000 - 0x11137fff] mem PCI: 00:1e.2 10 * [0x11138000 - 0x11138fff] mem PCI: 00:1e.4 10 * [0x11139000 - 0x11139fff] mem PCI: 00:1e.6 10 * [0x1113a000 - 0x1113afff] mem PCI: 00:1f.5 10 * [0x1113b000 - 0x1113bfff] mem PCI: 00:1f.4 10 * [0x1113c000 - 0x1113c0ff] mem DOMAIN: 0000 mem: base: 1113c100 size: 1113c100 align: 28 gran: 0 limit: ffffffff done avoid_fixed_resources: DOMAIN: 0000 avoid_fixed_resources:@DOMAIN: 0000 10000000 limit 0000ffff avoid_fixed_resources:@DOMAIN: 0000 10000100 limit ffffffff constrain_resources: PCI: 00:00.0 00 base e0000000 limit e3ffffff mem (fixed) constrain_resources: PCI: 00:00.0 08 base 00000000 limit 0009ffff mem (fixed) constrain_resources: PCI: 00:00.0 09 base 000c0000 limit 7affffff mem (fixed) constrain_resources: PCI: 00:00.0 0b base 7b000000 limit 7b7fffff mem (fixed) constrain_resources: PCI: 00:00.0 0c base 7b800000 limit 7fffffff mem (fixed) constrain_resources: PCI: 00:1f.0 00 base 00000000 limit 00000fff io (fixed) constrain_resources: PCI: 00:1f.2 40 base 00001800 limit 000018ff io (fixed) constrain_resources: PCI: 00:1f.4 20 base 0000efa0 limit 0000efbf io (fixed) avoid_fixed_resources:@DOMAIN: 0000 10000000 base 00001900 limit 0000ef9f avoid_fixed_resources:@DOMAIN: 0000 10000100 base c0000000 limit dfffffff Setting resources... DOMAIN: 0000 io: base:1900 size:40 align:6 gran:0 limit:ef9f PCI: 00:02.0 20 * [0x1c00 - 0x1c3f] io DOMAIN: 0000 io: next_base: 1c40 size: 40 align: 6 gran: 0 done PCI: 00:1c.0 io: base:ef9f size:0 align:12 gran:12 limit:ef9f PCI: 00:1c.0 io: next_base: ef9f size: 0 align: 12 gran: 12 done DOMAIN: 0000 mem: base:c0000000 size:1113c100 align:28 gran:0 limit:dfffffff PCI: 00:02.0 18 * [0xc0000000 - 0xcfffffff] prefmem PCI: 00:02.0 10 * [0xd0000000 - 0xd0ffffff] mem PCI: 00:1c.0 20 * [0xd1000000 - 0xd10fffff] mem PCI: 00:14.0 10 * [0xd1100000 - 0xd110ffff] mem PCI: 00:1f.3 20 * [0xd1110000 - 0xd111ffff] mem PCI: 00:04.0 10 * [0xd1120000 - 0xd1127fff] mem PCI: 00:1f.2 10 * [0xd1128000 - 0xd112bfff] mem PCI: 00:1f.3 10 * [0xd112c000 - 0xd112ffff] mem PCI: 00:08.0 10 * [0xd1130000 - 0xd1130fff] mem PCI: 00:14.2 10 * [0xd1131000 - 0xd1131fff] mem PCI: 00:15.0 10 * [0xd1132000 - 0xd1132fff] mem PCI: 00:15.1 10 * [0xd1133000 - 0xd1133fff] mem PCI: 00:16.0 10 * [0xd1134000 - 0xd1134fff] mem PCI: 00:19.0 18 * [0xd1135000 - 0xd1135fff] mem PCI: 00:19.1 10 * [0xd1136000 - 0xd1136fff] mem PCI: 00:1e.0 10 * [0xd1137000 - 0xd1137fff] mem PCI: 00:1e.2 10 * [0xd1138000 - 0xd1138fff] mem PCI: 00:1e.4 10 * [0xd1139000 - 0xd1139fff] mem PCI: 00:1e.6 10 * [0xd113a000 - 0xd113afff] mem PCI: 00:1f.5 10 * [0xd113b000 - 0xd113bfff] mem PCI: 00:1f.4 10 * [0xd113c000 - 0xd113c0ff] mem DOMAIN: 0000 mem: next_base: d113c100 size: 1113c100 align: 28 gran: 0 done PCI: 00:1c.0 prefmem: base:dfffffff size:0 align:20 gran:20 limit:dfffffff PCI: 00:1c.0 prefmem: next_base: dfffffff size: 0 align: 20 gran: 20 done PCI: 00:1c.0 mem: base:d1000000 size:100000 align:20 gran:20 limit:d10fffff PCI: 01:00.0 10 * [0xd1000000 - 0xd1001fff] mem PCI: 00:1c.0 mem: next_base: d1002000 size: 100000 align: 20 gran: 20 done Root Device assign_resources, bus 0 link: 0 DOMAIN: 0000 assign_resources, bus 0 link: 0 PCI: 00:02.0 10 <- [0x00d0000000 - 0x00d0ffffff] size 0x01000000 gran 0x18 mem64 PCI: 00:02.0 18 <- [0x00c0000000 - 0x00cfffffff] size 0x10000000 gran 0x1c prefmem64 PCI: 00:02.0 20 <- [0x0000001c00 - 0x0000001c3f] size 0x00000040 gran 0x06 io PCI: 00:04.0 10 <- [0x00d1120000 - 0x00d1127fff] size 0x00008000 gran 0x0f mem64 PCI: 00:08.0 10 <- [0x00d1130000 - 0x00d1130fff] size 0x00001000 gran 0x0c mem64 PCI: 00:14.0 10 <- [0x00d1100000 - 0x00d110ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.2 10 <- [0x00d1131000 - 0x00d1131fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 10 <- [0x00d1132000 - 0x00d1132fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.1 10 <- [0x00d1133000 - 0x00d1133fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:16.0 10 <- [0x00d1134000 - 0x00d1134fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.0 18 <- [0x00d1135000 - 0x00d1135fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 10 <- [0x00d1136000 - 0x00d1136fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:1c.0 1c <- [0x000000ef9f - 0x000000ef9e] size 0x00000000 gran 0x0c bus 01 io PCI: 00:1c.0 24 <- [0x00dfffffff - 0x00dffffffe] size 0x00000000 gran 0x14 bus 01 prefmem PCI: 00:1c.0 20 <- [0x00d1000000 - 0x00d10fffff] size 0x00100000 gran 0x14 bus 01 mem PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 01:00.0 10 <- [0x00d1000000 - 0x00d1001fff] size 0x00002000 gran 0x0d mem64 PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 00:1e.0 10 <- [0x00d1137000 - 0x00d1137fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 10 <- [0x00d1138000 - 0x00d1138fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.4 10 <- [0x00d1139000 - 0x00d1139fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.6 10 <- [0x00d113a000 - 0x00d113afff] size 0x00001000 gran 0x0c mem64 PCI: 00:1f.0 assign_resources, bus 0 link: 0 PCI: 00:1f.0 assign_resources, bus 0 link: 0 LPC: Trying to open IO window from 800 size 1ff PCI: 00:1f.2 10 <- [0x00d1128000 - 0x00d112bfff] size 0x00004000 gran 0x0e mem PCI: 00:1f.3 10 <- [0x00d112c000 - 0x00d112ffff] size 0x00004000 gran 0x0e mem64 PCI: 00:1f.3 20 <- [0x00d1110000 - 0x00d111ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:1f.4 10 <- [0x00d113c000 - 0x00d113c0ff] size 0x00000100 gran 0x08 mem64 PCI: 00:1f.5 10 <- [0x00d113b000 - 0x00d113bfff] size 0x00001000 gran 0x0c mem DOMAIN: 0000 assign_resources, bus 0 link: 0 Root Device assign_resources, bus 0 link: 0 Done setting resources. Show resources in subtree (Root Device)...After assigning values. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 02 APIC: 03 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 1900 size 40 align 6 gran 0 limit ef9f flags 40040100 index 10000000 DOMAIN: 0000 resource base c0000000 size 1113c100 align 28 gran 0 limit dfffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base d0000000 size 1000000 align 24 gran 24 limit d0ffffff flags 60000201 index 10 PCI: 00:02.0 resource base c0000000 size 10000000 align 28 gran 28 limit cfffffff flags 60001201 index 18 PCI: 00:02.0 resource base 1c00 size 40 align 6 gran 6 limit 1c3f flags 60000100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base d1120000 size 8000 align 15 gran 15 limit d1127fff flags 60000201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base d1130000 size 1000 align 12 gran 12 limit d1130fff flags 60000201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base d1100000 size 10000 align 16 gran 16 limit d110ffff flags 60000201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base d1131000 size 1000 align 12 gran 12 limit d1131fff flags 60000201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base d1132000 size 1000 align 12 gran 12 limit d1132fff flags 60000201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base d1133000 size 1000 align 12 gran 12 limit d1133fff flags 60000201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base d1134000 size 1000 align 12 gran 12 limit d1134fff flags 60000201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base d1135000 size 1000 align 12 gran 12 limit d1135fff flags 60000201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base d1136000 size 1000 align 12 gran 12 limit d1136fff flags 60000201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base ef9f size 0 align 12 gran 12 limit ef9f flags 60080102 index 1c PCI: 00:1c.0 resource base dfffffff size 0 align 20 gran 20 limit dfffffff flags 60081202 index 24 PCI: 00:1c.0 resource base d1000000 size 100000 align 20 gran 20 limit d10fffff flags 60080202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base d1000000 size 2000 align 13 gran 13 limit d1001fff flags 60000201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base d1137000 size 1000 align 12 gran 12 limit d1137fff flags 60000201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base d1138000 size 1000 align 12 gran 12 limit d1138fff flags 60000201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base d1139000 size 1000 align 12 gran 12 limit d1139fff flags 60000201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base d113a000 size 1000 align 12 gran 12 limit d113afff flags 60000201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base d1128000 size 4000 align 14 gran 14 limit d112bfff flags 60000200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base d112c000 size 4000 align 14 gran 14 limit d112ffff flags 60000201 index 10 PCI: 00:1f.3 resource base d1110000 size 10000 align 16 gran 16 limit d111ffff flags 60000201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base d113c000 size 100 align 12 gran 8 limit d113c0ff flags 60000201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base d113b000 size 1000 align 12 gran 12 limit d113bfff flags 60000200 index 10 PCI: 00:1f.6 Done allocating resources. BS: BS_DEV_RESOURCES times (us): entry 0 run 2113621 exit 30 Enabling resources... PCI: 00:00.0 subsystem <- 8086/590c PCI: 00:00.0 cmd <- 06 PCI: 00:02.0 subsystem <- 8086/591c PCI: 00:02.0 cmd <- 03 PCI: 00:04.0 cmd <- 02 PCI: 00:08.0 cmd <- 06 PCI: 00:14.0 subsystem <- 8086/9d2f PCI: 00:14.0 cmd <- 02 PCI: 00:14.2 subsystem <- 8086/9d31 PCI: 00:14.2 cmd <- 02 PCI: 00:15.0 subsystem <- 8086/9d60 PCI: 00:15.0 cmd <- 06 PCI: 00:15.1 subsystem <- 8086/9d61 PCI: 00:15.1 cmd <- 06 PCI: 00:16.0 subsystem <- 8086/9d3a PCI: 00:16.0 cmd <- 02 PCI: 00:19.0 subsystem <- 8086/9d66 PCI: 00:19.0 cmd <- 06 PCI: 00:19.1 subsystem <- 8086/9d65 PCI: 00:19.1 cmd <- 06 PCI: 00:1c.0 bridge ctrl <- 0003 PCI: 00:1c.0 subsystem <- 8086/9d10 PCI: 00:1c.0 cmd <- 06 PCI: 00:1e.0 subsystem <- 8086/9d27 PCI: 00:1e.0 cmd <- 06 PCI: 00:1e.2 subsystem <- 8086/9d29 PCI: 00:1e.2 cmd <- 06 PCI: 00:1e.4 subsystem <- 8086/9d2b PCI: 00:1e.4 cmd <- 06 PCI: 00:1e.6 subsystem <- 8086/9d2d PCI: 00:1e.6 cmd <- 06 PCI: 00:1f.0 subsystem <- 8086/9d4b PCI: 00:1f.0 cmd <- 407 PCI: 00:1f.2 subsystem <- 8086/9d21 PCI: 00:1f.2 cmd <- 02 PCI: 00:1f.3 subsystem <- 8086/9d71 PCI: 00:1f.3 cmd <- 02 PCI: 00:1f.4 subsystem <- 8086/9d23 PCI: 00:1f.4 cmd <- 03 PCI: 00:1f.5 subsystem <- 8086/9d24 PCI: 00:1f.5 cmd <- 406 PCI: 01:00.0 subsystem <- 8086/095a PCI: 01:00.0 cmd <- 02 done. ME: Version : 11.8.50.3470 BS: BS_DEV_ENABLE times (us): entry 230 run 139314 exit 20450 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 30904 usecs CPU_CLUSTER: 0 init ... CPU_CLUSTER: 0 init finished in 2443 usecs PCI: 00:00.0 init ... CPU TDP: 5 Watts CPU PL2 = 18 Watts PCI: 00:00.0 init finished in 6983 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2249 usecs PCI: 00:04.0 init ... PCI: 00:04.0 init finished in 2249 usecs PCI: 00:08.0 init ... PCI: 00:08.0 init finished in 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 5967 usecs PCI: 00:16.0 init ... PCI: 00:16.0 init finished in 2248 usecs PCI: 00:19.1 init ... DW I2C bus 5 at 0xd1136000 (400 KHz) PCI: 00:19.1 init finished in 5965 usecs PCI: 00:1c.0 init ... Initializing PCH PCIe bridge. PCI: 00:1c.0 init finished in 5288 usecs PCI: 00:1e.4 init ... PCI: 00:1e.4 init finished in 2248 usecs PCI: 00:1f.0 init ... IOAPIC: Initializing IOAPIC at 0xfec00000 IOAPIC: Bootstrap Processor Local APIC = 0x00 IOAPIC: ID = 0x02 IOAPIC: Dumping registers reg 0x0000: 0x02000000 reg 0x0001: 0x00770020 reg 0x0002: 0x00000000 PCI: 00:1f.0 init finished in 23494 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 23884 usecs PCI: 00:1f.4 init ... PCI: 00:1f.4 init finished in 2259 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2393 usecs PNP: 0c09.0 init ... Google Chrome EC: Hello got back 11223344 status (0) Google Chrome EC: version: ro: rammus_v2.0.387-f0df0fe2e rw: rammus_v2.0.425-6e0dd622e running image: 1 EC returned error result code 1 PNP: 0c09.0 init finished in 24462 usecs Devices initialized Show all devs... After init. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 0 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 01:5c: enabled 1 I2C: 02:15: enabled 1 I2C: 03:39: enabled 1 I2C: 03:3a: enabled 1 I2C: 03:1a: enabled 1 PCI: 01:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 02: enabled 1 APIC: 03: enabled 1 PCI: 00:04.0: enabled 1 PCI: 00:08.0: enabled 1 FMAP: area RW_ELOG found @ 9f0000 (16384 bytes) ELOG: NV offset 0x9f0000 size 0x4000 ELOG: area is 4096 bytes, full threshold 3842, shrink size 1024 ELOG: Event(17) added with size 13 at 2023-02-23 22:03:59 UTC POST: Unexpected post code in previous boot: 0x34 ELOG: Event(A3) added with size 11 at 2023-02-23 22:03:59 UTC ELOG: Event(92) added with size 9 at 2023-02-23 22:03:59 UTC ELOG: Event(9A) added with size 9 at 2023-02-23 22:03:59 UTC ELOG: Event(AD) added with size 10 at 2023-02-23 22:03:59 UTC ELOG: Event(9F) added with size 14 at 2023-02-23 22:03:59 UTC BS: BS_DEV_INIT times (us): entry 0 run 417178 exit 60030 ELOG: Event(A1) added with size 10 at 2023-02-23 22:03:59 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2023-02-23 22:03:59 UTC elog_add_boot_reason: Logged dev mode boot Finalize devices... Devices finalized FMAP: area RW_NVRAM found @ 9fa000 (24576 bytes) BS: BS_POST_DEVICE times (us): entry 25568 run 3969 exit 5201 BS: BS_OS_RESUME_CHECK times (us): entry 0 run 56 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/dsdt.aml' CBFS: Found @ offset 19af40 size 4691 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/slic' CBFS: 'fallback/slic' not found. ACPI: Writing ACPI tables at 7aa9a000. ACPI: * FACS ACPI: * DSDT Ramoops buffer: 0x100000@0x7a999000. SGX: not enabled or not supported. skip gnvs fill ACPI: * FADT SCI is IRQ9 ACPI: added table 1/32, length now 40 ACPI: * SSDT Found 1 CPU(s) with 4 core(s) each. \_SB.PCI0.I2C0.H05C: SISC Touchscreen at I2C: 01:5c \_SB.PCI0.I2C1.D015: ELAN Touchpad at I2C: 02:15 \_SB.PCI0.I2C5.MAXR: Maxim MAX98927 Codec address 039h \_SB.PCI0.I2C5.MAXL: Maxim MAX98927 Codec address 03ah \_SB.PCI0.I2C5.DLG7: Dialog Semiconductor DA7219 Audio Codec address 01ah irq 105 Error: Could not locate 'wifi_sar' in VPD. Error: failed from getting SAR limits! \_SB.PCI0.RP01.WIFI: Intel WiFi PCI: 01:00.0 \_SB.PCI0.SPI0.S001: SPI Device at SPI: 00 \_SB.PCI0.XHCI.RHUB.HS01: USB Type C Port 1 at USB2 port 0 \_SB.PCI0.XHCI.RHUB.HS02: USB Type A Port 1 at USB2 port 1 \_SB.PCI0.XHCI.RHUB.HS03: Bluetooth at USB2 port 2 \_SB.PCI0.XHCI.RHUB.HS05: USB Type C Port 2 at USB2 port 4 \_SB.PCI0.XHCI.RHUB.HS09: Camera at USB2 port 8 ACPI: added table 2/32, length now 44 ACPI: * MCFG ACPI: added table 3/32, length now 48 ACPI: * TPM2 ACPI: added table 4/32, length now 52 ACPI: * MADT SCI is IRQ9 ACPI: added table 5/32, length now 56 current = 7aa9fa60 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-16b.bin' CBFS: Found @ offset 167000 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-32b.bin' CBFS: Found @ offset 19f640 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-24b.bin' CBFS: Found @ offset 167c00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 ACPI: * NHLT ACPI: added table 6/32, length now 60 ACPI: * DMAR ACPI: added table 7/32, length now 64 ACPI: * IGD OpRegion GMA: Found VBT in CBFS GMA: Found valid VBT in CBFS current = 7aaa3610 ACPI: added table 8/32, length now 68 ACPI: * HPET ACPI: added table 9/32, length now 72 ACPI: done. ACPI tables: 38592 bytes. smbios_write_tables: 7a998000 Create SMBIOS type 17 PCI: 01:00.0 (Intel WiFi) SMBIOS tables: 662 bytes. Writing table forward entry at 0x00000500 Wrote coreboot table at: 00000500, 0x10 bytes, checksum a532 Writing coreboot table at 0x7aabe000 0. 0000000000000000-0000000000000fff: CONFIGURATION TABLES 1. 0000000000001000-000000000009ffff: RAM 2. 00000000000a0000-00000000000fffff: RESERVED 3. 0000000000100000-000000007a997fff: RAM 4. 000000007a998000-000000007ab05fff: CONFIGURATION TABLES 5. 000000007ab06000-000000007abcffff: RAMSTAGE 6. 000000007abd0000-000000007affffff: CONFIGURATION TABLES 7. 000000007b000000-000000007fffffff: RESERVED 8. 00000000e0000000-00000000e3ffffff: RESERVED 9. 00000000fe000000-00000000fe00ffff: RESERVED 10. 00000000fed10000-00000000fed19fff: RESERVED 11. 00000000fed80000-00000000fed84fff: RESERVED 12. 00000000fed90000-00000000fed91fff: RESERVED 13. 0000000100000000-000000017effffff: RAM Graphics framebuffer located at 0xc0000000 Passing 6 GPIOs to payload: NAME | PORT | POLARITY | VALUE write protect | undefined | high | low recovery | undefined | high | low lid | undefined | high | high power | undefined | high | low oprom | undefined | high | low EC in RW | 0x00000036 | high | low Board ID: 6 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) Wrote coreboot table at: 7aabe000, 0x5a4 bytes, checksum daa6 coreboot table: 1468 bytes. IMD ROOT 0. 7afff000 00001000 IMD SMALL 1. 7affe000 00001000 FSP MEMORY 2. 7abfe000 00400000 CONSOLE 3. 7abde000 00020000 TIME STAMP 4. 7abdd000 00000910 VBOOT 5. 7abdc000 00000c0c MRC DATA 6. 7abda000 00001878 ROMSTG STCK 7. 7abd9000 00000400 AFTER CAR 8. 7abd0000 00009000 RAMSTAGE 9. 7ab05000 000cb000 REFCODE 10. 7aad6000 0002f000 SMM BACKUP 11. 7aac6000 00010000 COREBOOT 12. 7aabe000 00008000 ACPI 13. 7aa9a000 00024000 ACPI GNVS 14. 7aa99000 00001000 RAMOOPS 15. 7a999000 00100000 SMBIOS 16. 7a998000 00000800 IMD small region: IMD ROOT 0. 7affec00 00000400 FSP RUNTIME 1. 7affebe0 00000004 VBOOT SEL 2. 7affebc0 00000008 EC HOSTEVENT 3. 7affeba0 00000008 POWER STATE 4. 7affeb60 00000040 ROMSTAGE 5. 7affeb40 00000004 MEM INFO 6. 7affe980 000001a9 VPD 7. 7affe900 0000006c COREBOOTFWD 8. 7affe8c0 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 537466 exit 146817 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 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 0x250 0x0606060606060606 call enable_fixed_mtrr() 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 CPU physical address size: 39 bits call enable_fixed_mtrr() CBFS: Found @ offset 223040 size 360b4 CPU physical address size: 39 bits Checking segment from ROM address 0xfff23078 Checking segment from ROM address 0xfff23094 Loading segment from ROM address 0xfff23078 code (compression=0) New segment dstaddr 0x30104020 memsize 0x64d8b0 srcaddr 0xfff230b0 filesize 0x3607c Loading Segment: addr: 0x30104020 memsz: 0x000000000064d8b0 filesz: 0x000000000003607c it's not compressed! [ 0x30104020, 3013a09c, 0x307518d0) <- fff230b0 Clearing Segment: addr: 0x000000003013a09c memsz: 0x0000000000617834 Loading segment from ROM address 0xfff23094 Entry Point 0x30104020 Loaded segments Finalizing chipset. ME: Host Firmware Status Register 1 : 0x90000245 ME: Host Firmware Status Register 2 : 0x6B000306 ME: Host Firmware Status Register 3 : 0x00000020 ME: Host Firmware Status Register 4 : 0x00084000 ME: Host Firmware Status Register 5 : 0x00000000 ME: Host Firmware Status Register 6 : 0x40000002 ME: FW Partition Table : OK ME: Bringup Loader Failure : NO ME: Firmware Init Complete : YES ME: Manufacturing Mode : NO ME: Boot Options Present : NO ME: Update In Progress : NO ME: D3 Support : NO ME: D0i3 Support : YES ME: Low Power State Enabled : YES ME: CPU Replaced : NO ME: CPU Replacement Valid : YES ME: Current Working State : Normal ME: Current Operation State : M0 with UMA ME: Current Operation Mode : Normal ME: Error Code : No Error ME: Progress Phase : Host Communication ME: Power Management Event : Power cycle reset through Moff ME: Progress Phase State : Host communication established ME: Power Down Mitigation : NO ME: FPF status : fused Clearing MCA. Finalizing SMM. BS: BS_PAYLOAD_LOAD times (us): entry 605 run 261863 exit 135646 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 9305601/tftp-deploy-spicdrg6/kernel/bzImage 9305601/tftp-deploy-spicdrg6/kernel/cmdline 9305601/tftp-deploy-spicdrg6/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 9305601/tftp-deploy-spicdrg6/kernel/bzImoy-spicdrg6/kernel/cmdline 9305601/tftp-deploy-spicdrg6/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:68:01:e7 Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.11 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 9305601/tftp-deploy-spicdrg6/kernel/bzImage Sending tftp read request... done. Waiting for the transfer... 00000000 ################################################################ 00080000 ################################################################ 00100000 ################################################################ 00180000 ################################################################ 00200000 ################################################################ 00280000 ################################################################ 00300000 ################################################################ 00380000 ################################################################ 00400000 ################################################################ 00480000 ################################################################ 00500000 ################################################################ 00580000 ################################################################ 00600000 ################################################################ 00680000 ################################################################ 00700000 ################################################################ 00780000 ################################################################ 00800000 ################################################################ 00880000 ################################################################ 00900000 ################################################################ 00980000 ################################################################ 00a00000 ################################################################ 00a80000 ################################################################ 00b00000 ################################################################ 00b80000 ################################################################ 00c00000 ################################################################ 00c80000 ################################################################ 00d00000 ################################################################ 00d80000 ################# done. The bootfile was 14287808 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: 9305601/tftp-deploy-spicdrg6/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/9305601/extract-nfsrootfs-nw1rwp7m,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: 18975009 Starting kernel ... [ 0.000000] Linux version 5.10.167-cip26 (KernelCI@build-j1096778-x86-64-gcc-10-x86-64-defconfig-x86-chromeboxqcpl) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Thu Feb 23 21:51:29 UTC 2023 [ 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/9305601/extract-nfsrootfs-nw1rwp7m,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 [ 0.000059] last_pfn = 0x17f000 max_arch_pfn = 0x400000000 [ 0.001404] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.007247] last_pfn = 0x7a998 max_arch_pfn = 0x400000000 [ 0.026643] check: Scanning 1 areas for low memory corruption [ 0.026656] Using GB pages for direct mapping [ 0.027517] RAMDISK: [mem 0x377b7000-0x37ffffff] [ 0.027525] ACPI: Early table checksum verification disabled [ 0.027534] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) [ 0.027550] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.027569] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.027588] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531) [ 0.027603] ACPI: FACS 0x000000007AA9A240 000040 [ 0.027616] ACPI: FACS 0x000000007AA9A240 000040 [ 0.027629] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE COREBOOT 0000002A CORE 0000002A) [ 0.027644] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.027658] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.027672] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE COREBOOT 00000000 CORE 00000000) [ 0.027686] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS 00000000 CORE 00000000) [ 0.027700] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.027714] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE COREBOOT 00000000 CORE 00000000) [ 0.027728] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.027742] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63] [ 0.027748] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962] [ 0.027753] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.027759] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.027764] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969] [ 0.027769] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab] [ 0.027775] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef] [ 0.027780] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b] [ 0.027786] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b] [ 0.027791] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607] [ 0.027797] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670] [ 0.027802] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7] [ 0.027946] No NUMA configuration found [ 0.027952] Faking a node at [mem 0x0000000000000000-0x000000017effffff] [ 0.027963] NODE_DATA(0) allocated [mem 0x17effa000-0x17effdfff] [ 0.028013] Zone ranges: [ 0.028019] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.028028] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.028036] Normal [mem 0x0000000100000000-0x000000017effffff] [ 0.028045] Movable zone start for each node [ 0.028050] Early memory node ranges [ 0.028071] node 0: [mem 0x0000000000001000-0x000000000009ffff] [ 0.028077] node 0: [mem 0x0000000000100000-0x000000007a997fff] [ 0.028082] node 0: [mem 0x0000000100000000-0x000000017effffff] [ 0.028088] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff] [ 0.028125] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.028171] On node 0, zone DMA: 96 pages in unavailable ranges [ 0.040183] On node 0, zone Normal: 22120 pages in unavailable ranges [ 0.040270] On node 0, zone Normal: 4096 pages in unavailable ranges [ 0.040296] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] [ 0.040659] ACPI: PM-Timer IO Port: 0x1808 [ 0.040716] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 [ 0.040730] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.040737] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.040752] Using ACPI (MADT) for SMP configuration information [ 0.040758] ACPI: HPET id: 0x8086a701 base: 0xfed00000 [ 0.040766] TSC deadline timer available [ 0.040772] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.040803] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.040809] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] [ 0.040816] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff] [ 0.040820] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] [ 0.040825] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff] [ 0.040830] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff] [ 0.040834] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff] [ 0.040839] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff] [ 0.040843] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff] [ 0.040848] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff] [ 0.040852] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff] [ 0.040857] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff] [ 0.040861] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff] [ 0.040866] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff] [ 0.040871] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff] [ 0.040880] [mem 0x80000000-0xdfffffff] available for PCI devices [ 0.040888] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.055777] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 [ 0.056070] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 [ 0.056154] Built 1 zonelists, mobility grouping on. Total pages: 1006266 [ 0.056159] Policy zone: Normal [ 0.056175] 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/9305601/extract-nfsrootfs-nw1rwp7m,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.056724] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.056998] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.057092] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.079540] Memory: 3888300K/4089052K available (18450K kernel code, 3459K rwdata, 7984K rodata, 2016K init, 13324K bss, 200492K reserved, 0K cma-reserved) [ 0.079702] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.079766] Kernel/User page tables isolation: enabled [ 0.079853] ftrace: allocating 52722 entries in 206 pages [ 0.140806] ftrace: allocated 206 pages with 5 groups [ 0.141112] Running RCU self tests [ 0.141129] rcu: Hierarchical RCU implementation. [ 0.141134] rcu: RCU event tracing is enabled. [ 0.141138] rcu: RCU lockdep checking is enabled. [ 0.141143] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. [ 0.141149] Rude variant of Tasks RCU enabled. [ 0.141153] Tracing variant of Tasks RCU enabled. [ 0.141158] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.141163] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.152302] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 [ 0.152801] random: crng init done [ 0.152915] Console: colour dummy device 80x25 [ 0.228223] printk: console [ttyS0] enabled [ 0.228592] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.229255] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.229616] ... MAX_LOCK_DEPTH: 48 [ 0.229984] ... MAX_LOCKDEP_KEYS: 8192 [ 0.230367] ... CLASSHASH_SIZE: 4096 [ 0.230749] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.231138] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.231528] ... CHAINHASH_SIZE: 32768 [ 0.231917] memory used by lock dependency info: 6365 kB [ 0.232385] memory used for stack traces: 4224 kB [ 0.232804] per task-struct memory footprint: 1920 bytes [ 0.233333] ACPI: Core revision 20200925 [ 0.233950] hpet: HPET dysfunctional in PC10. Force disabled. [ 0.234448] APIC: Switch to symmetric I/O mode setup [ 0.238889] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns [ 0.239812] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960) [ 0.240718] pid_max: default: 32768 minimum: 301 [ 0.240792] LSM: Security Framework initializing [ 0.240792] SELinux: Initializing. [ 0.240792] LSM support for eBPF active [ 0.240792] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.240792] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.240792] mce: CPU0: Thermal monitoring enabled (TM1) [ 0.240792] process: using mwait in idle threads [ 0.240792] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 0.240792] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 0.240792] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.240792] Spectre V2 : Mitigation: IBRS [ 0.240792] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.240792] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT [ 0.240792] RETBleed: Mitigation: IBRS [ 0.240792] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 0.240792] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp [ 0.240792] MDS: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.240792] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.240792] SRBDS: Vulnerable: No microcode [ 0.240792] ------------[ cut here ]------------ [ 0.240792] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 [ 0.240792] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:712 apply_returns+0x1f5/0x220 [ 0.240792] Modules linked in: [ 0.240792] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.167-cip26 #1 [ 0.240792] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 0.240792] RIP: 0010:apply_returns+0x1f5/0x220 [ 0.240792] Code: e4 01 00 0f 85 e1 fe ff ff 49 89 e8 b9 05 00 00 00 4c 89 f2 48 89 ee 48 c7 c7 60 ff 3e 9f c6 05 91 4a e4 01 01 e8 9d 53 e5 00 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc [ 0.240792] RSP: 0000:ffffffff9f603de0 EFLAGS: 00010282 [ 0.240792] RAX: 0000000000000000 RBX: ffffffffa00cf0f0 RCX: 0000000000000000 [ 0.240792] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff9db7aba1 [ 0.240792] RBP: ffffffff9f0d15a0 R08: 0000000000000001 R09: 0000000000000001 [ 0.240792] R10: ffffffff9f68fec0 R11: 3fffffffffffffff R12: ffffffffa00e6110 [ 0.240792] R13: cccccccccccccccc R14: ffffffff9f0d15a5 R15: 0000000000000004 [ 0.240792] FS: 0000000000000000(0000) GS:ffff9c1cbac00000(0000) knlGS:0000000000000000 [ 0.240792] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.240792] CR2: ffff9c1cbefff000 CR3: 0000000049e26001 CR4: 00000000003706f0 [ 0.240792] Call Trace: [ 0.240792] alternative_instructions+0x7d/0x143 [ 0.240792] check_bugs+0xece/0xf2a [ 0.240792] start_kernel+0x517/0x54d [ 0.240792] secondary_startup_64_no_verify+0xc2/0xcb [ 0.240792] irq event stamp: 162527 [ 0.240792] hardirqs last enabled at (162535): [] console_unlock+0x4d1/0x5f0 [ 0.240792] hardirqs last disabled at (162542): [] console_unlock+0x444/0x5f0 [ 0.240792] softirqs last enabled at (1816): [] cgroup_idr_alloc.constprop.0+0x5b/0xe0 [ 0.240792] softirqs last disabled at (1814): [] cgroup_idr_alloc.constprop.0+0x2e/0xe0 [ 0.240792] ---[ end trace fe2f61b4f4498435 ]--- [ 0.240792] Freeing SMP alternatives memory: 44K [ 0.240792] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9) [ 0.241831] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver. [ 0.242784] ... version: 4 [ 0.242801] ... bit width: 48 [ 0.243167] ... generic registers: 4 [ 0.243545] ... value mask: 0000ffffffffffff [ 0.243801] ... max period: 00007fffffffffff [ 0.244267] ... fixed-purpose events: 3 [ 0.244624] ... event mask: 000000070000000f [ 0.245545] rcu: Hierarchical SRCU implementation. [ 0.248324] smp: Bringing up secondary CPUs ... [ 0.249753] x86: Booting SMP configuration: [ 0.249832] .... node #0, CPUs: #1 [ 0.251334] 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. [ 0.252807] 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. [ 0.254699] #2 #3 [ 0.257880] smp: Brought up 1 node, 4 CPUs [ 0.258441] smpboot: Max logical packages: 1 [ 0.258804] smpboot: Total of 4 processors activated (12799.68 BogoMIPS) [ 0.261803] devtmpfs: initialized [ 0.262552] x86/mm: Memory block size: 128MB [ 0.268058] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.268824] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) [ 0.270016] pinctrl core: initialized pinctrl subsystem [ 0.270980] PM: RTC time: 22:04:14, date: 2023-02-23 [ 0.272191] NET: Registered protocol family 16 [ 0.273644] audit: initializing netlink subsys (disabled) [ 0.273866] audit: type=2000 audit(1677189854.034:1): state=initialized audit_enabled=0 res=1 [ 0.274970] thermal_sys: Registered thermal governor 'step_wise' [ 0.274978] thermal_sys: Registered thermal governor 'user_space' [ 0.275611] cpuidle: using governor menu [ 0.276226] ACPI: bus type PCI registered [ 0.277303] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000) [ 0.277808] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820 [ 0.278440] PCI: Using configuration type 1 for base access [ 0.310325] Kprobes globally optimized [ 0.310982] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.311811] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.312909] cryptomgr_test (38) used greatest stack depth: 14880 bytes left [ 0.316005] ACPI: Added _OSI(Module Device) [ 0.316227] ACPI: Added _OSI(Processor Device) [ 0.316623] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.317829] ACPI: Added _OSI(Processor Aggregator Device) [ 0.318306] ACPI: Added _OSI(Linux-Dell-Video) [ 0.318704] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.318805] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 0.337616] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 0.348792] ACPI: EC: EC started [ 0.349801] ACPI: EC: interrupt blocked [ 0.351192] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.351643] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions [ 0.351801] ACPI: Interpreter enabled [ 0.352227] ACPI: (supports S0 S3 S4 S5) [ 0.352581] ACPI: Using IOAPIC for interrupt routing [ 0.352909] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 0.377636] ACPI: Power Resource [PRIC] (on) [ 0.510434] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.510815] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 0.512012] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] [ 0.512703] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge [ 0.514666] PCI host bridge to bus 0000:00 [ 0.514808] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.515399] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 0.515803] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.516451] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window] [ 0.516808] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window] [ 0.517456] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window] [ 0.518804] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window] [ 0.519452] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window] [ 0.519803] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window] [ 0.520451] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window] [ 0.520803] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window] [ 0.521451] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window] [ 0.521803] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window] [ 0.522451] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window] [ 0.523804] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window] [ 0.524452] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window] [ 0.524803] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window] [ 0.525451] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window] [ 0.525803] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window] [ 0.526450] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window] [ 0.527805] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.528395] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000 [ 0.530218] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000 [ 0.530773] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit] [ 0.530821] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref] [ 0.531457] pci 0000:00:02.0: reg 0x20: [io 0x1c00-0x1c3f] [ 0.533722] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000 [ 0.533833] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit] [ 0.535506] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000 [ 0.535833] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit] [ 0.537355] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330 [ 0.537848] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit] [ 0.538608] pci 0000:00:14.0: PME# supported from D3hot D3cold [ 0.540879] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000 [ 0.541447] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit] [ 0.542751] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000 [ 0.542856] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit] [ 0.544569] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000 [ 0.545855] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit] [ 0.547600] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000 [ 0.547853] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit] [ 0.548474] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit] [ 0.549900] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000 [ 0.550472] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit] [ 0.551967] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400 [ 0.552731] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold [ 0.554880] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000 [ 0.555453] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit] [ 0.556932] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000 [ 0.557505] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit] [ 0.558929] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501 [ 0.559495] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit] [ 0.562095] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501 [ 0.562664] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit] [ 0.563897] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100 [ 0.565515] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000 [ 0.565838] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff] [ 0.567448] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100 [ 0.568853] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit] [ 0.569505] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit] [ 0.569930] pci 0000:00:1f.3: PME# supported from D3hot D3cold [ 0.571512] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500 [ 0.571870] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit] [ 0.572536] pci 0000:00:1f.4: reg 0x20: [io 0xefa0-0xefbf] [ 0.573830] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000 [ 0.574390] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff] [ 0.576504] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 [ 0.578752] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit] [ 0.583048] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold [ 0.586243] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 0.586698] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 0.589647] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.590200] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15) [ 0.591190] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.593210] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.594220] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.595249] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.596212] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.597227] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.605501] ACPI: EC: interrupt unblocked [ 0.605800] ACPI: EC: event unblocked [ 0.606149] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.606601] ACPI: EC: GPE=0x6e [ 0.606807] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete [ 0.607420] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events [ 0.608867] iommu: Default domain type: Translated [ 0.610011] pci 0000:00:02.0: vgaarb: setting as boot VGA device [ 0.610438] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.610830] pci 0000:00:02.0: vgaarb: bridge control possible [ 0.611334] vgaarb: loaded [ 0.612277] SCSI subsystem initialized [ 0.613022] ACPI: bus type USB registered [ 0.613539] usbcore: registered new interface driver usbfs [ 0.613878] usbcore: registered new interface driver hub [ 0.614393] usbcore: registered new device driver usb [ 0.615968] pps_core: LinuxPPS API ver. 1 registered [ 0.616405] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.616815] PTP clock support registered [ 0.617859] Advanced Linux Sound Architecture Driver Initialized. [ 0.619667] NetLabel: Initializing [ 0.619807] NetLabel: domain hash size = 128 [ 0.620194] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.620782] NetLabel: unlabeled traffic allowed by default [ 0.621963] PCI: Using ACPI for IRQ routing [ 0.630266] clocksource: Switched to clocksource tsc-early [ 1.146628] VFS: Disk quotas dquot_6.6.0 [ 1.147066] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 1.148190] pnp: PnP ACPI init [ 1.149579] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved [ 1.150188] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved [ 1.150767] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved [ 1.151364] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved [ 1.151961] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved [ 1.152541] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved [ 1.153167] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved [ 1.153775] system 00:00: [mem 0xff000000-0xffffffff] has been reserved [ 1.154371] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved [ 1.154967] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved [ 1.156788] system 00:01: [io 0x1800-0x18fe] has been reserved [ 1.157878] system 00:03: [io 0x0900-0x09fe] has been reserved [ 1.158736] system 00:04: [io 0x0200] has been reserved [ 1.159230] system 00:04: [io 0x0204] has been reserved [ 1.159702] system 00:04: [io 0x0800-0x087f] has been reserved [ 1.160241] system 00:04: [io 0x0880-0x08ff] has been reserved [ 1.163971] pnp: PnP ACPI: found 6 devices [ 1.181843] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 1.182762] NET: Registered protocol family 2 [ 1.183365] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 1.186059] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) [ 1.187104] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) [ 1.188092] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) [ 1.191017] TCP: Hash tables configured (established 32768 bind 32768) [ 1.192000] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) [ 1.193019] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.193959] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.195068] NET: Registered protocol family 1 [ 1.196363] RPC: Registered named UNIX socket transport module. [ 1.196943] RPC: Registered udp transport module. [ 1.197361] RPC: Registered tcp transport module. [ 1.197779] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 1.199085] NET: Registered protocol family 44 [ 1.199504] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 1.199988] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 1.200598] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 1.201153] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 1.201692] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 1.202381] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window] [ 1.202996] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window] [ 1.203592] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window] [ 1.204205] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window] [ 1.204824] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window] [ 1.205428] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window] [ 1.206047] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window] [ 1.206649] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window] [ 1.207315] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window] [ 1.207937] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window] [ 1.208541] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window] [ 1.209161] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window] [ 1.209766] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window] [ 1.210386] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window] [ 1.211004] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window] [ 1.211623] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window] [ 1.212243] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window] [ 1.212863] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff] [ 1.214082] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 1.217473] PCI: CLS 64 bytes, default 64 [ 1.218341] Unpacking initramfs... [ 1.596585] Freeing initrd memory: 8484K [ 1.597090] DMAR: Host address width 39 [ 1.597470] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 [ 1.598052] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e [ 1.598779] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff [ 1.599347] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 [ 1.599852] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da [ 1.600651] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.601232] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB) [ 1.602191] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer [ 1.602912] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules [ 1.603415] RAPL PMU: hw unit of domain package 2^-14 Joules [ 1.603992] RAPL PMU: hw unit of domain dram 2^-14 Joules [ 1.604466] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules [ 1.604975] RAPL PMU: hw unit of domain psys 2^-14 Joules [ 1.607785] kvm: already loaded the other module [ 1.648712] check: Scanning for low memory corruption every 60 seconds [ 1.653462] Initialise system trusted keyrings [ 1.654215] workingset: timestamp_bits=56 max_order=20 bucket_order=0 [ 1.681882] NFS: Registering the id_resolver key type [ 1.682389] Key type id_resolver registered [ 1.682793] Key type id_legacy registered [ 1.705416] Key type asymmetric registered [ 1.705841] Asymmetric key parser 'x509' registered [ 1.706336] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 1.707016] io scheduler mq-deadline registered [ 1.707420] io scheduler kyber registered [ 1.708100] test_firmware: interface ready [ 1.710522] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120 [ 1.712721] ACPI: AC Adapter [AC] (on-line) [ 1.713619] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0 [ 1.715611] ACPI: Lid Switch [LID0] [ 1.716317] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 [ 1.717316] ACPI: Power Button [PWRF] [ 1.718232] ACPI: \_PR_.CP00: Found 3 idle states [ 1.719596] ACPI: \_PR_.CP01: Found 3 idle states [ 1.720866] ACPI: \_PR_.CP02: Found 3 idle states [ 1.722088] ACPI: \_PR_.CP03: Found 3 idle states [ 1.724266] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.727783] hpet_acpi_add: no address or irqs in _CRS [ 1.728566] Non-volatile memory driver v1.3 [ 1.729178] Linux agpgart interface v0.103 [ 1.729724] battery: ACPI: Battery Slot [BAT0] (battery present) [ 1.733248] i915 0000:00:02.0: vgaarb: deactivate vga console [ 1.786307] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 1.788128] i915 0000:00:02.0: [drm] Finished loading DMC firmware i915/kbl_dmc_ver1_04.bin (v1.4) [ 1.827914] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 [ 1.832863] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 [ 1.856780] loop: module loaded [ 1.858177] lkdtm: No crash points registered, enable through debugfs [ 1.890889] printk: console [ttyS0] disabled [ 1.892298] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A [ 2.704054] tsc: Refined TSC clocksource calibration: 1607.999 MHz [ 2.705342] printk: console [ttyS0] enabled [ 2.713841] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172da94f0e2, max_idle_ns: 440795278248 ns [ 2.737714] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A [ 5.308155] clocksource: Switched to clocksource tsc [ 5.308308] fbcon: i915drmfb (fb0) is primary device [ 5.311740] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO [ 5.321925] e100: Intel(R) PRO/100 Network Driver [ 5.321940] e100: Copyright(c) 1999-2006 Intel Corporation [ 5.322018] e1000: Intel(R) PRO/1000 Network Driver [ 5.322021] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 5.322125] e1000e: Intel(R) PRO/1000 Network Driver [ 5.322129] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 5.322268] sky2: driver version 1.30 [ 5.322715] usbcore: registered new interface driver r8152 [ 5.323027] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2 [ 5.323344] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 5.323379] ehci-pci: EHCI PCI platform driver [ 5.323484] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 5.323513] ohci-pci: OHCI PCI platform driver [ 5.323599] uhci_hcd: USB Universal Host Controller Interface driver [ 5.325169] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 5.326189] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 [ 5.327613] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 [ 5.327669] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported [ 5.330223] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 5.330753] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 [ 5.330768] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed [ 5.331437] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 5.331459] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 5.331464] usb usb1: Product: xHCI Host Controller [ 5.331469] usb usb1: Manufacturer: Linux 5.10.167-cip26 xhci-hcd [ 5.331473] usb usb1: SerialNumber: 0000:00:14.0 [ 5.333528] hub 1-0:1.0: USB hub found [ 5.333712] hub 1-0:1.0: 12 ports detected [ 5.338652] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 [ 5.338658] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 5.338662] usb usb2: Product: xHCI Host Controller [ 5.338666] usb usb2: Manufacturer: Linux 5.10.167-cip26 xhci-hcd [ 5.338670] usb usb2: SerialNumber: 0000:00:14.0 [ 5.339986] hub 2-0:1.0: USB hub found [ 5.340060] hub 2-0:1.0: 6 ports detected [ 5.342747] usbcore: registered new interface driver usblp [ 5.342885] usbcore: registered new interface driver usb-storage [ 5.343521] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers [ 5.343699] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 [ 5.343703] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp [ 5.344485] i8042: Warning: Keylock active [ 5.344747] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 5.347500] Console: switching to colour frame buffer device 240x67 [ 5.347613] rtc_cmos 00:02: RTC can wake from S4 [ 5.348044] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0) [ 5.350569] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 [ 5.351536] rtc_cmos 00:02: registered as rtc0 [ 5.351876] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram [ 5.353456] i801_smbus 0000:00:1f.4: SPD Write Disable is set [ 5.353528] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt [ 5.355008] i2c i2c-9: 2/2 memory slots populated (from DMI) [ 5.357028] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com [ 5.357083] intel_pstate: Intel P-state driver initializing [ 5.358197] intel_pstate: HWP enabled [ 5.358246] sdhci: Secure Digital Host Controller Interface driver [ 5.358247] sdhci: Copyright(c) Pierre Ossman [ 5.358292] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21) [ 5.360261] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit [ 5.360464] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.361901] hid: raw HID events driver (C) Jiri Kosina [ 5.366411] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device [ 5.372534] usbcore: registered new interface driver usbhid [ 5.440384] tpm_tis_spi spi-PRP0001:00: Cr50 firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2 [ 5.440436] usbhid: USB HID core driver [ 5.810033] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3 [ 5.828293] cros_ec_lpcs GOOG0004:00: Chrome EC device registered [ 5.836265] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100 [ 5.847286] netem: version 1.3 [ 5.850952] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 5.857515] IPv4 over IPsec tunneling driver [ 5.862714] Initializing XFRM netlink socket [ 5.868171] NET: Registered protocol family 10 [ 5.873996] Segment Routing with IPv6 [ 5.878701] NET: Registered protocol family 17 [ 5.884015] Key type dns_resolver registered [ 5.889618] microcode: sig=0x806e9, pf=0x10, revision=0x98 [ 5.895847] microcode: Microcode Update Driver: v2.2. [ 5.895854] IPI shorthand broadcast: enabled [ 5.906359] sched_clock: Marking stable (5819290532, 87034644)->(6005632159, -99306983) [ 5.915548] registered taskstats version 1 [ 5.920144] Loading compiled-in X.509 certificates [ 5.925860] usb 1-3: new full-speed USB device number 2 using xhci_hcd [ 5.927780] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.943181] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.952758] PM: Magic number: 11:551:98 [ 5.957474] printk: console [netcon0] enabled [ 5.962354] netconsole: network logging started [ 6.038391] mmc0: new HS400 MMC card at address 0001 [ 6.045433] mmcblk0: mmc0:0001 DA4064 58.2 GiB [ 6.050900] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB [ 6.051982] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) [ 6.057731] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB [ 6.074036] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (246:0) [ 6.082460] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up [ 6.083395] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 [ 6.099002] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 6.112373] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.123669] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 [ 6.135365] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.196082] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 6.217373] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 [ 6.226574] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6 [ 6.234566] usb 2-3: Product: USB 10/100/1000 LAN [ 6.239835] usb 2-3: Manufacturer: Realtek [ 6.244446] usb 2-3: SerialNumber: 001000001 [ 6.251416] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.331028] usb 1-9: new high-speed USB device number 3 using xhci_hcd [ 6.501383] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07 [ 6.510592] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2 [ 6.518608] usb 1-9: Product: USB2.0 HD UVC WebCam [ 6.524000] usb 1-9: Manufacturer: Azurewave [ 6.528837] usb 1-9: SerialNumber: 0x0001 [ 6.541712] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.587164] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 6.634236] r8152 2-3:1.0: load rtl8153b-2 v1 10/23/19 successfully [ 6.672030] r8152 2-3:1.0 eth0: v1.11.11 [ 6.677168] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.276978] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 8.277317] r8152 2-3:1.0 eth0: carrier on [ 8.288861] Sending DHCP requests . [ 8.502174] DHCP/BOOTP: Reply not for us on eth0, op[2] xid[6a83ab81] [ 8.513566] DHCP/BOOTP: Reply not for us on eth0, op[2] xid[6a83ab81] [ 10.821953] ., OK [ 10.830235] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.11 [ 10.839230] IP-Config: Complete: [ 10.842877] device=eth0, hwaddr=00:e0:4c:68:01:e7, ipaddr=192.168.201.11, mask=255.255.255.0, gw=192.168.201.1 [ 10.854574] host=asus-C433TA-AJ0005-rammus-cbg-1, domain=lava-rack, nis-domain=(none) [ 10.863840] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= [ 10.863844] nameserver0=192.168.201.1 [ 10.876792] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 10.888398] modprobe (103) used greatest stack depth: 14208 bytes left [ 10.891591] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 10.895732] modprobe (104) used greatest stack depth: 14120 bytes left [ 10.910650] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 10.911921] ALSA device list: [ 10.920431] cfg80211: failed to load regulatory.db [ 10.923699] No soundcards found. [ 10.933305] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console [ 10.943243] Freeing unused kernel image (initmem) memory: 2016K [ 10.959066] Write protecting the kernel read-only data: 28672k [ 10.966734] Freeing unused kernel image (text/rodata gap) memory: 2028K [ 10.974378] Freeing unused kernel image (rodata/data gap) memory: 208K [ 10.981725] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u1 [ 11.003614] systemd-udevd (125) used greatest stack depth: 13672 bytes left [ 11.058206] udevadm (127) used greatest stack depth: 13576 bytes left [ 11.215537] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. [ 11.224782] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 11.264635] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 11.315367] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 11.326135] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 11.336596] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 11.352518] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 11.363042] 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 ... Waiting up to 60 secs for any ethernet to become available Device /sys/class/net/eth0 found done. IP-Config: eth0 hardware address 00:e0:4c:68:01:e7 mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.11 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-1 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : [ 11.512104] nfsmount (167) used greatest stack depth: 12688 bytes left done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. SELinux: Could not open policy file <= /etc/selinux/targeted/policy/policy.33: No such file or directory [ 12.780292] systemd[1]: systemd 247.3-7+deb11u1 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified) [ 12.818112] systemd[1]: Detected architecture x86-64. Welcome to Debian GNU/Linux 11 (bullseye)! [ 12.846686] systemd[1]: Set hostname to . [ 13.342326] systemd[1]: Queued start job for default target Graphical Interface. [ 13.353514] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. [ 13.369480] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. [ 13.385530] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. [ 13.402450] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. [ 13.418368] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. [ 13.439303] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. [ 13.461047] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [ OK ] Set up automount Arbitrary…s File System Automount Point. [ 13.484192] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. [ 13.500185] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. [ 13.511063] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. [ 13.527139] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. [ 13.538074] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. [ 13.549376] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. [ 13.567050] systemd[1]: Listening on Journal Audit Socket. [ OK ] Listening on Journal Audit Socket. [ 13.583067] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). [ 13.599578] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. [ 13.614961] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. [ 13.633325] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. [ 13.649508] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. [ 13.666956] systemd[1]: Mounting Huge Pages File System... Mounting Huge Pages File System... [ 13.691076] systemd[1]: Mounting POSIX Message Queue File System... Mounting POSIX Message Queue File System... [ 13.710438] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... [ 13.726453] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... [ 13.749027] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... [ 13.769725] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... [ 13.786771] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... [ 13.803359] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... [ 13.819624] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 13.833906] systemd[1]: Starting Journal Service... Starting Journal Service... [ 13.849816] fuse: init (API version 7.32) [ 13.851593] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... [ 13.869341] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... [ 13.887939] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... [ 13.905093] systemd[1]: Mounted Huge Pages File System. [ OK ] Mounted Huge Pages File System. [ 13.921328] systemd[1]: Mounted POSIX Message Queue File System. [ OK ] Mounted POSIX Message Queue File System. [ 13.938230] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. [ 13.954109] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. [ 13.970047] systemd[1]: Finished Create list of static device nodes for the current kernel. [ OK ] Finished Create list of st… nodes for the current kernel. [ 13.993291] systemd[1]: modprobe@configfs.service: Succeeded. [ 14.000893] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. [ 14.017950] systemd[1]: modprobe@drm.service: Succeeded. [ 14.024696] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. [ 14.041922] systemd[1]: modprobe@fuse.service: Succeeded. [ 14.048770] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. [ 14.065986] systemd[1]: Finished Load Kernel Modules. [ OK ] Finished Load Kernel Modules. [ 14.081808] systemd[1]: Finished Remount Root and Kernel File Systems. [ OK ] Finished Remount Root and Kernel File Systems. [ 14.099447] systemd[1]: Started Journal Service. [ OK ] Started Journal Service. Mounting FUSE Control File System... Mounting Kernel Configuration File System... Starting Flush Journal to Persistent Storage... Starting Load/Save Random Seed... Starting Apply Kernel Variables... Starting Create System Users... [ OK ] Mounted FUSE Control File System[0[ 14.184651] systemd-journald[205]: Received client request to flush runtime journal. m. [ OK ] Mounted Kernel Configuration File System. [ OK ] Finished Load/Save Random Seed. [ OK ] Finished Apply Kernel Variables. [ OK ] Finished Coldplug All udev Devices. [ OK ] Finished Create System Users. Starting Create Static Device Nodes in /dev... [ OK ] Finished Flush Journal to Persistent Storage. [ OK ] Finished Create Static Device Nodes in /dev. [ OK ] Reached target Local File Systems (Pre). [ OK ] Reached target Local File Systems. Starting Create Volatile Files and Directories... Starting Rule-based Manage…for Device Events and Files... [ OK ] Started Rule-based Manager for Device Events and Files. Starting Network Service... [ OK ] Finished Create Volatile Files and Directories. Starting Network Time Synchronization... Starting Update UTMP about System Boot/Shutdown... [ OK ] Found device Sunrise Point-LP Serial IO UART Controller. [ OK ] Created slice system-systemd\x2dbacklight.slice. Starting Load/Save Screen …f backlight:intel_backlight... [ OK ] Finished Update UTMP about System Boot/Shutdown. [ OK ] Finished Load/Save Screen … of backlight:intel_backlight. [ OK ] Listening on Load/Save RF …itch Status /dev/rfkill Watch. [ OK ] Started Network Service. Starting Network Name Resolution... [ OK ] Started Network Time Synchronization. [ OK ] Reached target System Initialization. [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Reached target System Time Set. [ OK ] Reached target System Time Synchronized. [ OK ] Started Daily apt download activities. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Started Periodic ext4 Onli…ata Check for All Filesystems. [ OK ] Started Discard unused blocks once a week. [ OK ] Reached target Timers. [ OK ] Listening on D-Bus System Message Bus Socket. [ OK ] Reached target Sockets. [ OK ] Reached target Basic System. [ OK ] Started D-Bus System Message Bus. Starting Remove Stale Onli…t4 Metadata Check Snapshots... Starting User Login Management... [ OK ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots. [ OK ] Started User Login Management. [ OK ] Started Network Name Resolution. [ OK ] Reached target Network. [ OK ] Reached target Host and Network Name Lookups. Starting Permit User Sessions... [ OK ] Finished Permit User Sessions. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Finished Update UTMP about System Runlevel Changes. Debian GNU/Linux 11 debian-bullseye-amd64 ttyS0 debian-bullseye-amd64 login: root (automatic login) Linux debian-bullseye-amd64 5.10.167-cip26 #1 SMP Thu Feb 23 21:51:29 UTC 2023 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/9305601/extract-nfsrootfs-nw1rwp7m' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/9305601/extract-nfsrootfs-nw1rwp7m' / # 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-9305601/environment . /lava-9305601/environment / # /lava-9305601/bin/lava-test-runner /lava-9305601/0 /lava-9305601/bin/lava-test-runner /lava-9305601/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-9305601/0/tests/0_timesync-off ++ cat uuid + UUID=9305601_1.5.2.3.1 + set +x + systemctl stop systemd-timesyncd [ 20.031512] systemd-timesyn (245) used greatest stack depth: 12608 bytes left + set +x + export TESTRUN_ID=1_kselftest-lkdtm + TESTRUN_ID=1_kselftest-lkdtm + cd /lava-9305601/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=9305601_1.5.2.3.5 + set +x + cd ./automated/linux/kselftest/ + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s True -u http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.167-cip26-2-g1e87e7748b91/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz -L '' -S skipfile-lkft.yaml -b asus-C433TA-AJ0005-rammus -g cip -e '' -p /opt/kselftests/mainline/ -n 1 -i 1 INFO: Generating a skipfile based on /lava-9305601/0/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: install_deps skipped --2023-02-23 22:04:34-- http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.167-cip26-2-g1e87e7748b91/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: 3321396 (3.2M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 50.15K 178KB/s kselftest.tar.xz 6%[> ] 217.50K 385KB/s kselftest.tar.xz 12%[=> ] 412.15K 471KB/s kselftest.tar.xz 36%[======> ] 1.17M 1.03MB/s kselftest.tar.xz 44%[=======> ] 1.41M 1020KB/s kselftest.tar.xz 62%[===========> ] 1.97M 1.16MB/s kselftest.tar.xz 74%[=============> ] 2.35M 1.18MB/s kselftest.tar.xz 86%[================> ] 2.74M 1.22MB/s kselftest.tar.xz 92%[=================> ] 2.94M 1.20MB/s kselftest.tar.xz 100%[===================>] 3.17M 1.24MB/s in 2.6s 2023-02-23 22:04:37 (1.24 MB/s) - 'kselftest.tar.xz' saved [3321396/3321396] [ 23.551259] basename (334) used greatest stack depth: 12528 bytes left 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 ======================================== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ============== Tests to run =============== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ===========End Tests to run =============== [ 33.755029] 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 [ 34.032346] lkdtm: Performing direct entry BUG [ 34.037401] ------------[ cut here ]------------ [ 34.042574] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 34.048435] invalid opcode: 0000 [#1] SMP PTI [ 34.053306] CPU: 2 PID: 644 Comm: cat Tainted: G W 5.10.167-cip26 #1 [ 34.061882] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 34.068690] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 34.073073] Code: 89 ff e8 ce 62 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 40 3d 92 02 [ 34.094057] RSP: 0018:ffffb4378133fe60 EFLAGS: 00010282 [ 34.099893] RAX: ffffffff9e2e4910 RBX: 0000000000000001 RCX: 0000000000000000 [ 34.107887] RDX: 0000000000000000 RSI: ffff9c1cbad1bf70 RDI: ffffffff9f0d1110 [ 34.115872] RBP: ffffffff9f50db00 R08: 0000000000000001 R09: 0000000000000001 [ 34.123842] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 34.131825] R13: ffffb4378133ff10 R14: ffffb4378133ff10 R15: ffff9c1c43ce9000 [ 34.139795] FS: 00007efc0863f580(0000) GS:ffff9c1cbad00000(0000) knlGS:0000000000000000 [ 34.148835] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.155243] CR2: 00007efc08448000 CR3: 0000000104066004 CR4: 00000000003706e0 [ 34.163211] Call Trace: [ 34.165930] direct_entry.cold+0x2c/0x38 [ 34.170310] full_proxy_write+0x53/0x80 [ 34.174598] vfs_write+0xe7/0x3a0 [ 34.178298] ksys_write+0x68/0xf0 [ 34.181997] do_syscall_64+0x30/0x40 [ 34.185986] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 34.191625] RIP: 0033:0x7efc08555833 [ 34.195616] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 34.216587] RSP: 002b:00007ffd7cfbc4f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 34.225037] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007efc08555833 [ 34.233003] RDX: 0000000000000004 RSI: 00007efc08448000 RDI: 0000000000000001 [ 34.240973] RBP: 00007efc08448000 R08: 00007efc08447010 R09: 0000000000000000 [ 34.248947] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 34.256915] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 34.264893] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 34.291365] ---[ end trace fe2f61b4f4498437 ]--- [ 34.296530] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 34.300919] Code: 89 ff e8 ce 62 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 40 3d 92 02 [ 34.321938] RSP: 0018:ffffb4378133fe60 EFLAGS: 00010282 [ 34.327805] RAX: ffffffff9e2e4910 RBX: 0000000000000001 RCX: 0000000000000000 [ 34.335787] RDX: 0000000000000000 RSI: ffff9c1cbad1bf70 RDI: ffffffff9f0d1110 [ 34.343762] RBP: ffffffff9f50db00 R08: 0000000000000001 R09: 0000000000000001 [ 34.351738] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 34.359721] R13: ffffb4378133ff10 R14: ffffb4378133ff10 R15: ffff9c1c43ce9000 [ 34.367718] FS: 00007efc0863f580(0000) GS:ffff9c1cbad00000(0000) knlGS:0000000000000000 [ 34.376789] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.383241] CR2: 00007efc08448000 CR3: 0000000104066004 CR4: 00000000003706e0 # Segmentation fault # [ 34.032346] lkdtm: Performing direct entry BUG # [ 34.037401] ------------[ cut here ]------------ # [ 34.042574] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 34.048435] invalid opcode: 0000 [#1] SMP PTI # [ 34.053306] CPU: 2 PID: 644 Comm: cat Tainted: G W 5.10.167-cip26 #1 # [ 34.061882] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 34.068690] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 34.073073] Code: 89 ff e8 ce 62 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 40 3d 92 02 # [ 34.094057] RSP: 0018:ffffb4378133fe60 EFLAGS: 00010282 # [ 34.099893] RAX: ffffffff9e2e4910 RBX: 0000000000000001 RCX: 0000000000000000 # [ 34.107887] RDX: 0000000000000000 RSI: ffff9c1cbad1bf70 RDI: ffffffff9f0[ 34.486874] lkdtm: Performing direct entry WARNING d1110 # [ 34.115872] RBP: ffffffff9f50db00 R08: 0000000000000[ 34.497381] ------------[ cut here ]------------ 001 R09: 0000000000000001 # [ 34.123842] R10: 00000000ffffe00[ 34.508733] WARNING: CPU: 1 PID: 680 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 0 R11: 3fffffffffffffff R12: 0000000000000004 # [ 34.131825] [ 34.524376] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify R13: ffffb4378133ff10 R14: ffffb4378133ff10 R15: ffff9c1c43ce900[ 34.557024] CPU: 1 PID: 680 Comm: cat Tainted: G D W 5.10.167-cip26 #1 0 # [ 34.139795] FS: 00007efc0863f580(0000) GS:ffff9c1cbad00[ 34.571795] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 000(0000) knlGS:0000000000000000 # [ 34.148835] CS: 0010 DS:[ 34.584834] RIP: 0010:lkdtm_WARNING+0x13/0x20 0000 ES: 0000 CR0: 0000000080050033 # [ 34.155243] CR2: 0000[ 34.595916] Code: c0 f4 ff ff ff eb c9 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 40 3d 92 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 21 3d 7efc08448000 CR3: 0000000104066004 CR4: 00000000003706e0 # [ [ 34.623117] RSP: 0018:ffffb43781417e60 EFLAGS: 00010202 34.163211] Call Trace: # [ 34.165930] direct_entry.cold+0x2c[ 34.635168] RAX: ffffffff9e2e4920 RBX: 0000000000000002 RCX: 0000000000000000 /0x38 # [ 34.170310] full_proxy_write+0x53/0x80 # [ 34.17[ 34.649350] RDX: 0000000000000000 RSI: ffff9c1cbac9bf70 RDI: ffffffff9f0d1120 [ 34.663534] RBP: ffffffff9f4b234f R08: 0000000000000000 R09: 0000000000000000 4598] vfs_write+0xe7/0x3a0 # [ 34.178298] ksys_write+0x68/0[ 34.671512] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 xf0 # [ 34.181997] do_syscall_64+0x30/0x40 # [ 34.185986][ 34.685718] R13: ffffb43781417f10 R14: ffffb43781417f10 R15: ffff9c1c43b84000 entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 34.191625] RIP[ 34.699907] FS: 00007ff4b420b580(0000) GS:ffff9c1cbac80000(0000) knlGS:0000000000000000 [ 34.715140] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 : 0033:0x7efc08555833 # [ 34.195616] Code: 8b 15 61 26 0e 00 [ 34.721560] CR2: 00007ff4b4014000 CR3: 00000001040d2003 CR4: 00000000003706e0 [ 34.735739] Call Trace: f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 1[ 34.738474] direct_entry.cold+0x2c/0x38 8 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff [ 34.749064] full_proxy_write+0x53/0x80 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 34.216587[ 34.759560] vfs_write+0xe7/0x3a0 ] RSP: 002b:00007ffd7cfbc4f8 EFLAGS: 00000246 ORIG_RAX: 00000000[ 34.769476] ksys_write+0x68/0xf0 00000001 # [ 34.225037] RAX: ffffffffffffffda RBX: 0000000000[ 34.779390] do_syscall_64+0x30/0x40 000004 RCX: 00007efc08555833 # [ 34.233003] RDX: 000000000000[ 34.789597] entry_SYSCALL_64_after_hwframe+0x61/0xc6 0004 RSI: 00007efc08448000 RDI: 0000000000000001 # [ 34.24097[ 34.801454] RIP: 0033:0x7ff4b4121833 3] RBP: 00007efc08448000 R08: 00007efc08447010 R09: 000000000000[ 34.811658] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 0000 # [ 34.248947] R10: fffffffffffffbc5 R11: 00000000000002[ 34.838856] RSP: 002b:00007ffec495ab58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 34.853573] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007ff4b4121833 46 R12: 0000000000000001 # [ 34.256915] R13: 0000000000000001[ 34.861546] RDX: 0000000000000008 RSI: 00007ff4b4014000 RDI: 0000000000000001 [ 34.875725] RBP: 00007ff4b4014000 R08: 00007ff4b4013010 R09: 0000000000000000 R14: 0000000000020000 R15: 0000000000020000 # [ 34.264893] M[ 34.883700] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 34.897882] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 odules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors[ 34.905863] irq event stamp: 0 _core industrialio_triggered_buffer kfifo_buf industrialio cros_[ 34.915480] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_e[ 34.928698] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 c_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 34.944045] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 34.291365] ---[ end trace fe2f61b4f4498437 ]--- # [ 34.[ 34.959393] softirqs last disabled at (0): [<0000000000000000>] 0x0 296530] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 34.300919] Code: 89 [ 34.972606] ---[ end trace fe2f61b4f4498438 ]--- ff e8 ce 62 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 40 3d 92 02 # [ 34.321938] RSP: 0018:ffffb4378133fe60 EFLAGS: 00010282 # [ 34.327805] RAX: ffffffff9e2e4910 RBX: 0000000000000001 RCX: 0000000000000000 # [ 34.335787] RDX: 0000000000000000 RSI: ffff9c1cbad1bf70 RDI: ffffffff9f0d1110 # [ 34.343762] RBP: ffffffff9f50db00 R08: 0000000000000001 R09: 0000000000000001 # [ 34.351738] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 34.359721] R13: ffffb4378133ff10 R14: ffffb4378133ff10 R15: ffff9c1c43ce9000 # [ 34.367718] FS: 00007efc0863f580(0000) GS:ffff9c1cbad00000(0000) knlGS:0000000000000000 # [ 34.376789] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 34.383241] CR2: 00007efc08448000 CR3: 0000000104066004 CR4: 00000000003706e0 # BUG: saw 'kernel BUG at': ok ok 2 se[ 35.075962] lkdtm: Performing direct entry WARNING_MESSAGE [ 35.083340] ------------[ cut here ]------------ lftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 34[ 35.088505] Warning message trigger count: 2 [ 35.099515] WARNING: CPU: 3 PID: 715 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 .486874] lkdtm: Performing direct entry WARNING # [ 34.497381[ 35.109719] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 35.142353] CPU: 3 PID: 715 Comm: cat Tainted: G D W 5.10.167-cip26 #1 [ 35.150932] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 35.157737] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 [ 35.163378] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 21 3d 92 02 48 c7 c7 b0 28 4b 9f 8d 70 01 89 35 11 3d 92 02 e8 e2 9e 62 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 [ 35.184360] RSP: 0018:ffffb43781497e60 EFLAGS: 00010286 ] ------------[ cut here ]------------ # [ 34.508733] WARNING[ 35.190196] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 35.204383] RDX: ffff9c1cbadac660 RSI: ffff9c1cbad9bf70 RDI: ffff9c1cbad9bf70 [ 35.212355] RBP: ffffffff9f4b2357 R08: 0000000000000000 R09: 0000000000000000 [ 35.220326] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 [ 35.228300] R13: ffffb43781497f10 R14: ffffb43781497f10 R15: ffff9c1c4400f000 [ 35.236274] FS: 00007f2d80d49580(0000) GS:ffff9c1cbad80000(0000) knlGS:0000000000000000 [ 35.245338] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 : CPU: 1 PID: 680 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+[ 35.251772] CR2: 00007f2d80b52000 CR3: 00000001040e4004 CR4: 00000000003706e0 [ 35.265948] Call Trace: [ 35.268679] direct_entry.cold+0x2c/0x38 [ 35.273091] full_proxy_write+0x53/0x80 [ 35.277395] vfs_write+0xe7/0x3a0 0x13/0x20 # [ 34.524376] Modules linked in: fuse ip_tables cr[ 35.281135] ksys_write+0x68/0xf0 [ 35.291054] do_syscall_64+0x30/0x40 [ 35.295045] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 35.300688] RIP: 0033:0x7f2d80c5f833 [ 35.304679] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 35.325663] RSP: 002b:00007ffcfc3b9f78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 35.334123] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f2d80c5f833 [ 35.342096] RDX: 0000000000000010 RSI: 00007f2d80b52000 RDI: 0000000000000001 [ 35.350067] RBP: 00007f2d80b52000 R08: 00007f2d80b51010 R09: 0000000000000000 [ 35.358038] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 35.366008] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 35.373983] irq event stamp: 0 os_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer[ 35.377415] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 35.390627] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 35.399764] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 35.408902] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 35.415901] ---[ end trace fe2f61b4f4498439 ]--- kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 34.557024] CPU: 1 PID: 680 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # [ 34.571795] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 34.584834] RIP: 0010:lkdtm_WARNING+0x13/0x20 # [ 34.595916] Code: c0 f4 ff ff ff eb c9 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 40 3d 92 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 21 3d # [ 34.623117] RSP: 0018:ffffb43781417e60 EFLAGS: 00010202 # [ 34.635168] RAX: ffffffff9e2e4920 RBX: 0000000000000002 RCX: 0000000000000000 # [ 34.649350] RDX: 0000000000000000 RSI: ffff9c1cbac9bf70 RDI: ffffffff9f0d1120 # [ 34.663534] RBP: ffffffff9f4b234f R08: 0000000000000000 R09: 0000000000000000 # [ 34.671512] R10: 00000000ffffe000 R11: 3ffffffffffff[ 35.509774] lkdtm: Performing direct entry EXCEPTION [ 35.519901] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 35.527684] #PF: supervisor write access in kernel mode [ 35.533516] #PF: error_code(0x0002) - not-present page [ 35.539251] PGD 0 P4D 0 [ 35.542075] Oops: 0002 [#2] SMP PTI [ 35.545967] CPU: 3 PID: 747 Comm: cat Tainted: G D W 5.10.167-cip26 #1 [ 35.554515] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 35.561321] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 [ 35.566281] Code: 48 c7 c7 b0 28 4b 9f 8d 70 01 89 35 11 3d 92 02 e8 e2 9e 62 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 [ 35.587260] RSP: 0018:ffffb4378151fe60 EFLAGS: 00010282 [ 35.593084] RAX: ffffffff9e2e4970 RBX: 0000000000000004 RCX: 0000000000000000 [ 35.601051] RDX: 0000000000000000 RSI: ffff9c1cbad9bf70 RDI: ffffffff9f0d1140 [ 35.609018] RBP: ffffffff9f3e70f7 R08: 0000000000000000 R09: 0000000000000000 [ 35.616983] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 35.624951] R13: ffffb4378151ff10 R14: ffffb4378151ff10 R15: ffff9c1c440d9000 [ 35.632920] FS: 00007fc7d371c580(0000) GS:ffff9c1cbad80000(0000) knlGS:0000000000000000 [ 35.641955] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.648367] CR2: 0000000000000000 CR3: 0000000103156003 CR4: 00000000003706e0 [ 35.656333] Call Trace: [ 35.659062] direct_entry.cold+0x2c/0x38 [ 35.663441] full_proxy_write+0x53/0x80 [ 35.667722] vfs_write+0xe7/0x3a0 [ 35.671418] ksys_write+0x68/0xf0 [ 35.675105] do_syscall_64+0x30/0x40 [ 35.679094] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 35.684732] RIP: 0033:0x7fc7d3632833 [ 35.688719] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 35.709693] RSP: 002b:00007fffe245f5b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 fff R12: 0000000000000008 # [ 34.685718] R13: ffffb43781417f1[ 35.718150] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fc7d3632833 [ 35.732330] RDX: 000000000000000a RSI: 00007fc7d3525000 RDI: 0000000000000001 [ 35.740297] RBP: 00007fc7d3525000 R08: 00007fc7d3524010 R09: 0000000000000000 [ 35.748261] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 35.756230] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 35.764203] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0 R14: ffffb43781417f10 R15: ffff9c1c43b84000 # [ 34.699907] [ 35.790653] CR2: 0000000000000000 [ 35.800559] ---[ end trace fe2f61b4f449843a ]--- [ 35.805712] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 35.810078] Code: 89 ff e8 ce 62 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 40 3d 92 02 [ 35.831047] RSP: 0018:ffffb4378133fe60 EFLAGS: 00010282 [ 35.836880] RAX: ffffffff9e2e4910 RBX: 0000000000000001 RCX: 0000000000000000 [ 35.844836] RDX: 0000000000000000 RSI: ffff9c1cbad1bf70 RDI: ffffffff9f0d1110 [ 35.852826] RBP: ffffffff9f50db00 R08: 0000000000000001 R09: 0000000000000001 [ 35.860794] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 35.868762] R13: ffffb4378133ff10 R14: ffffb4378133ff10 R15: ffff9c1c43ce9000 [ 35.876728] FS: 00007fc7d371c580(0000) GS:ffff9c1cbad80000(0000) knlGS:0000000000000000 [ 35.885765] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.892178] CR2: 0000000000000000 CR3: 0000000103156003 CR4: 00000000003706e0 [ 35.900145] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 35.910051] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 747, name: cat [ 35.918407] INFO: lockdep is turned off. [ 35.922782] irq event stamp: 0 [ 35.926187] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 35.933185] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 35.942317] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 35.951451] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 35.958446] CPU: 3 PID: 747 Comm: cat Tainted: G D W 5.10.167-cip26 #1 [ 35.966996] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 35.973797] Call Trace: [ 35.976523] dump_stack+0x77/0x9b [ 35.980221] ___might_sleep.cold+0xa6/0xb6 [ 35.984790] exit_signals+0x1c/0x2e0 [ 35.988776] do_exit+0xc2/0xaf0 [ 35.992278] ? ksys_write+0x68/0xf0 [ 35.996169] make_task_dead+0x2f/0x30 [ 36.000254] rewind_stack_and_make_dead+0x17/0x20 [ 36.005502] RIP: 0033:0x7fc7d3632833 [ 36.009488] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 36.030462] RSP: 002b:00007fffe245f5b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 36.038915] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fc7d3632833 [ 36.046888] RDX: 000000000000000a RSI: 00007fc7d3525000 RDI: 0000000000000001 [ 36.054854] RBP: 00007fc7d3525000 R08: 00007fc7d3524010 R09: 0000000000000000 [ 36.062826] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 36.070791] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 FS: 00007ff4b420b580(0000) GS:ffff9c1cbac80000(0000) knlGS:0000000000000000 # [ 34.715140] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 34.721560] CR2: 00007ff4b4014000 CR3: 00000001040d2003 CR4: 00000000003706e0 # [ 34.735739] Call Trace: # [ 34.738474] direct_entry.cold+0x2c/0x38 # [ 34.749064] full_proxy_write+0x53/0x80 # [ 34.759560] vfs_write+0xe7/0x3a0 # [ 34.769476] ksys_write+0x68/0xf0 # [ 34.779390] do_syscall_64+0x30/0x40 # [ 34.789597] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 34.801454] RIP: 0033:0x7ff4b4121833 # [ 34.811658] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 34.838856] RSP: 002b:00007ffec495ab58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 34.853573] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007ff4b4121833 # [ 34.861546] RDX: 0000000000000008 RSI: 00007ff4b4014000 RDI: 0000000000000001 # [ 34.875725] RBP: 00007ff4b4014000 R08: 00007ff4b4013010 R09: 0000000000000000 # [ 34.883700] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 34.897882] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 34.905863] irq event stamp: 0 # [ 34.915480] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 34.928698] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 34.944045] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 34.959393] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 34.972606] ---[ end trace fe2f61b4f4498438 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 35.075962] lkdtm: Performing direct entry WARNING_MESSAGE # [ 35.083340] ------------[ cut here ]------------ # [ 35.088505] Warning message trigger count: 2 # [ 35.099515] WARNING: CPU: 3 PID: 715 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 35.109719] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 35.142353] CPU: 3 PID: 715 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # [ 35.150932] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 35.157737] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 35.163378] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 21 3d 92 02 48 c7 c7 b0 28 4b 9f 8d 70 01 89 35 11 3d 92 02 e8 e2 9e 62 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 35.184360] RSP: 0018:ffffb43781497e60 EFLAGS: 00010286 # [ 35.190196] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 35.204383] RDX: ffff[ 36.368005] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 36.377123] lkdtm: attempting good list addition [ 36.382289] lkdtm: attempting corrupted list addition 9c1cbadac660 RSI: ffff9c1cbad9bf70 RDI: ffff9c1cbad9bf70 # [ [ 36.387939] lkdtm: list_add() corruption not detected! 35.212355] RBP: ffffffff9f4b2357 R08: 0000000000000000 R09: 0000000000000000 # [ 35.220326] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 35.228300] R13: ffffb43781497f10 R14: ffffb43781497f10 R15: ffff9c1c4400f000 # [ 35.236274] FS: 00007f2d80d49580(0000) GS:ffff9c1cbad80000(0000) knlGS:0000000000000000 # [ 35.245338] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 35.251772] CR2: 00007f2d80b52000 CR3: 00000001040e4004 CR4: 00000000003706e0 # [ 35.265948] Call Trace: # [ 35.268679] direct_entry.cold+0x2c/0x38 # [ 35.273091] full_proxy_write+0x53/0x80 # [ 35.277395] vfs_write+0xe7/0x3a0 # [ 35.281135] ksys_write+0x68/0xf0 # [ 35.291054] do_syscall_64+0x30/0x40 # [ 35.295045] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 35.300688] RIP: 0033:0x7f2d80c5f833 # [ 35.304679] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 35.325663] RSP: 002b:00007ffcfc3b9f78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 35.334123] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f2d80c5f833 # [ 35.342096] RDX: 0000000000000010 RSI: 00007f2d80b52000 RDI: 0000000000000001 # [ 35.350067] RBP: 00007f2d80b52000 R08: 00007f2d80b51010 R09: 0000000000000000 # [ 35.358038] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 35.366008] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 35.373983] irq event stam[ 36.554167] lkdtm: Performing direct entry CORRUPT_LIST_DEL [ 36.561533] lkdtm: attempting good list removal [ 36.566631] lkdtm: attempting corrupted list removal [ 36.572205] lkdtm: list_del() corruption not detected! p: 0 # [ 35.377415] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 35.390627] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 35.399764] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 35.408902] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 35.415901] ---[ end trace fe2f61b4f4498439 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 35.509774] lkdtm: Performing direct entry EXCEPTION # [ 35.519901] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 35.527684] #PF: supervisor write access in kernel mode # [ 35.533516] #PF: error_code(0x0002) - not-present page # [ 35.539251] PGD 0 P4D 0 # [ 35.542075] Oops: 0002 [#2] SMP PTI # [ 35.545967] CPU: 3 PID: 747 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # [ 35.554515] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 35.561321] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 35.566281] Code: 48 c7 c7 b0 28 4b 9f 8d 70 01 89 35 11 3d 92 02 e8 e2 9e 62 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc c[ 36.701774] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 36.709338] lkdtm: attempting bad read from page below current stack [ 36.716449] BUG: stack guard page was hit at 00000000f0618d2c (stack is 0000000063d6120d..00000000c2d3aa17) c cc 66 66 2e 0f 1f 84 # [ 35.587260] RSP: 0018:ffffb4378151f[ 36.727357] kernel stack overflow (page fault): 0000 [#3] SMP PTI [ 36.740372] CPU: 3 PID: 972 Comm: cat Tainted: G D W 5.10.167-cip26 #1 e60 EFLAGS: 00010282 # [ 35.593084] RAX: ffffffff9e2e4970 RBX[ 36.748925] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 36.761943] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a [ 36.768455] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 50 2c 4b 9f 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 04 9d fd ff 48 c7 c7 90 2c 4b 9f <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 ea 9c fd ff 0f 1f 44 [ 36.789431] RSP: 0018:ffffb43781887e50 EFLAGS: 00010246 [ 36.795263] RAX: 0000000000000038 RBX: ffffb43781884000 RCX: 0000000000000000 [ 36.803229] RDX: 0000000000000000 RSI: ffff9c1cbad9bf70 RDI: ffffffff9f4b2c90 [ 36.811194] RBP: ffffffff9f4b23ba R08: 0000000000000000 R09: 0000000000000000 [ 36.819161] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 [ 36.827126] R13: ffffb43781887f10 R14: ffffb43781887f10 R15: ffff9c1c43d5f000 [ 36.835093] FS: 00007fc8d72f1580(0000) GS:ffff9c1cbad80000(0000) knlGS:0000000000000000 [ 36.844121] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.850534] CR2: ffffb43781883fff CR3: 0000000103c96006 CR4: 00000000003706e0 [ 36.858500] Call Trace: [ 36.861226] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 [ 36.866272] direct_entry.cold+0x2c/0x38 [ 36.870650] full_proxy_write+0x53/0x80 [ 36.874928] vfs_write+0xe7/0x3a0 [ 36.878616] ksys_write+0x68/0xf0 [ 36.882305] do_syscall_64+0x30/0x40 [ 36.886294] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 36.891934] RIP: 0033:0x7fc8d7207833 [ 36.895920] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 36.916896] RSP: 002b:00007ffdfae67238 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 36.925350] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fc8d7207833 [ 36.933317] RDX: 0000000000000019 RSI: 00007fc8d70fa000 RDI: 0000000000000001 [ 36.941284] RBP: 00007fc8d70fa000 R08: 00007fc8d70f9010 R09: 0000000000000000 [ 36.949250] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 36.957216] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 36.965186] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify : 0000000000000004 RCX: 0000000000000000 # [ 35.601051] RDX: [ 36.991635] ---[ end trace fe2f61b4f449843b ]--- [ 37.002999] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 37.007366] Code: 89 ff e8 ce 62 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 40 3d 92 02 [ 37.028341] RSP: 0018:ffffb4378133fe60 EFLAGS: 00010282 [ 37.034173] RAX: ffffffff9e2e4910 RBX: 0000000000000001 RCX: 0000000000000000 [ 37.042141] RDX: 0000000000000000 RSI: ffff9c1cbad1bf70 RDI: ffffffff9f0d1110 [ 37.050106] RBP: ffffffff9f50db00 R08: 0000000000000001 R09: 0000000000000001 [ 37.058073] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 37.066038] R13: ffffb4378133ff10 R14: ffffb4378133ff10 R15: ffff9c1c43ce9000 [ 37.074004] FS: 00007fc8d72f1580(0000) GS:ffff9c1cbad80000(0000) knlGS:0000000000000000 [ 37.083037] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.089451] CR2: ffffb43781883fff CR3: 0000000103c96006 CR4: 00000000003706e0 0000000000000000 RSI: ffff9c1cbad9bf70 RDI: ffffffff9f0d1140 # [ 35.609018] RBP: ffffffff9f3e70f7 R08: 0000000000000000 R09: 0000000000000000 # [ 35.616983] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 35.624951] R13: ffffb4378151ff10 R14: ffffb4378151ff10 R15: ffff9c1c440d9000 # [ 35.632920] FS: 00007fc7d371c580(0000) GS:ffff9c1cbad80000(0000) knlGS:0000000000000000 # [ 35.641955] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 35.648367] CR2: 0000000000000000 CR3: 0000000103156003 CR4: 00000000003706e0 # [ 35.656333] Call Trace: # [ 35.659062] direct_entry.cold+0x2c/0x38 # [ 35.663441] full_proxy_write+0x53/0x80 # [ 35.667722] vfs_write+0xe7/0x3a0 # [ 35.671418] ksys_write+0x68/0xf0 # [ 35.675105] do_syscall_64+0x30/0x40 # [ 35.679094] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 35.684732] RIP: 0033:0x7fc7d3632833 # [ 35.688719] Code: 8b 15 61 26 0e 00 f7 d8 64 [ 37.189640] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 0[ 37.197791] lkdtm: attempting bad read from page above current stack 0 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 [ 37.211108] BUG: stack guard page was hit at 0000000086124a23 (stack is 000000002680ebd7..0000000064bd8032) [ 37.228187] kernel stack overflow (page fault): 0000 [#4] SMP PTI [ 37.234988] CPU: 0 PID: 1005 Comm: cat Tainted: G D W 5.10.167-cip26 #1 [ 37.243635] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 37.250440] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d [ 37.257053] Code: 9c fd ff 0f 1f 44 00 00 53 48 c7 c7 c8 2c 4b 9f 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 ca 9c fd ff 48 c7 c7 08 2d 4b 9f <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 ad 9c fd ff [ 37.278031] RSP: 0018:ffffb437818dfe50 EFLAGS: 00010246 [ 37.283868] RAX: 0000000000000038 RBX: ffffb437818dc000 RCX: 0000000000000000 [ 37.291843] RDX: 0000000000000000 RSI: ffff9c1cbac1bf70 RDI: ffffffff9f4b2d08 [ 37.299826] RBP: ffffffff9f4b23d3 R08: 0000000000000000 R09: 0000000000000000 [ 37.307794] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a [ 37.315762] R13: ffffb437818dff10 R14: ffffb437818dff10 R15: ffff9c1c43064000 [ 37.323720] FS: 00007fa6f0f24580(0000) GS:ffff9c1cbac00000(0000) knlGS:0000000000000000 [ 37.332756] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.339170] CR2: ffffb437818e0000 CR3: 0000000103d52006 CR4: 00000000003706f0 [ 37.347139] Call Trace: [ 37.349876] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a [ 37.355708] direct_entry.cold+0x2c/0x38 [ 37.360085] full_proxy_write+0x53/0x80 [ 37.364371] vfs_write+0xe7/0x3a0 [ 37.368073] ksys_write+0x68/0xf0 [ 37.371771] do_syscall_64+0x30/0x40 [ 37.375762] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 37.381400] RIP: 0033:0x7fa6f0e3a833 [ 37.385387] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 37.406356] RSP: 002b:00007ffffd20a8e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 37.414828] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007fa6f0e3a833 [ 37.422793] RDX: 000000000000001a RSI: 00007fa6f0d2d000 RDI: 0000000000000001 [ 37.430759] RBP: 00007fa6f0d2d000 R08: 00007fa6f0d2c010 R09: 0000000000000000 [ 37.438726] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 37.446693] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 37.454664] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 37.481100] ---[ end trace fe2f61b4f449843c ]--- [ 37.486252] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 37.490618] Code: 89 ff e8 ce 62 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 40 3d 92 02 [ 37.511595] RSP: 0018:ffffb4378133fe60 EFLAGS: 00010282 [ 37.517427] RAX: ffffffff9e2e4910 RBX: 0000000000000001 RCX: 0000000000000000 [ 37.525394] RDX: 0000000000000000 RSI: ffff9c1cbad1bf70 RDI: ffffffff9f0d1110 [ 37.533362] RBP: ffffffff9f50db00 R08: 0000000000000001 R09: 0000000000000001 [ 37.541328] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 37.549295] R13: ffffb4378133ff10 R14: ffffb4378133ff10 R15: ffff9c1c43ce9000 [ 37.557262] FS: 00007fa6f0f24580(0000) GS:ffff9c1cbac00000(0000) knlGS:0000000000000000 [ 37.566296] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.572709] CR2: ffffb437818e0000 CR3: 0000000103d52006 CR4: 00000000003706f0 [ 37.580678] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 37.590588] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1005, name: cat [ 37.599042] INFO: lockdep is turned off. [ 37.603418] irq event stamp: 0 [ 37.606824] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 37.613816] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 37.622955] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 37.632089] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 37.639086] CPU: 0 PID: 1005 Comm: cat Tainted: G D W 5.10.167-cip26 #1 [ 37.647734] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 37.654534] Call Trace: [ 37.657261] dump_stack+0x77/0x9b [ 37.660965] ___might_sleep.cold+0xa6/0xb6 [ 37.665540] exit_signals+0x1c/0x2e0 [ 37.669521] do_exit+0xc2/0xaf0 [ 37.673022] ? ksys_write+0x68/0xf0 [ 37.676905] make_task_dead+0x2f/0x30 [ 37.680990] rewind_stack_and_make_dead+0x17/0x20 [ 37.686232] RIP: 0033:0x7fa6f0e3a833 [ 37.690222] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 37.711201] RSP: 002b:00007ffffd20a8e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 37.719649] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007fa6f0e3a833 [ 37.727612] RDX: 000000000000001a RSI: 00007fa6f0d2d000 RDI: 0000000000000001 [ 37.735583] RBP: 00007fa6f0d2d000 R08: 00007fa6f0d2c010 R09: 0000000000000000 [ 37.743543] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 37.751512] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 35.709693] RSP: 002b:00007fffe245f5b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 35.718150] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fc7d3632833 # [ 35.732330] RDX: 000000000000000a RSI: 00007fc7d3525000 RDI: 0000000000000001 # [ 35.740297] RBP: 00007fc7d3525000 R08: 00007fc7d3524010 R09: 0000000000000000 # [ 35.748261] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 35.756230] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 35.764203] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 35.790653] CR2: 0000000000000000 # [ 35.800559] ---[ end trace fe2f61b4f449843a ]--- # [ 35.805712] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 35.810078] Code: 89 ff e8 ce 62 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 40 3d 92 02 # [ 35.831047] RSP: 0018:ffffb4378133fe60 EFLAGS: 00010282 # [ 35.836880] RAX: ffffffff9e2e4910 RBX: 0000000000000001 RCX: 0000000000000000 # [ 35.844836] RDX: 0000000000000000 RSI: ffff9c1cbad1bf70 RDI: ffffffff9f0d1[ 37.891965] lkdtm: Performing direct entry UNSET_SMEP 110 # [ 35.852826] RBP: ffffffff9f50db00 R08: 000000000000000[ 37.901936] lkdtm: trying to clear SMEP normally 1 R09: 0000000000000001 # [ 35.860794] R10: 00000000ffffe000 [ 37.913324] ------------[ cut here ]------------ R11: 3fffffffffffffff R12: 0000000000000004 # [ 35.868762] R1[ 37.924684] pinned CR4 bits changed: 0x100000!? 3: ffffb4378133ff10 R14: ffffb4378133ff10 R15: ffff9c1c43ce9000 [ 37.935985] WARNING: CPU: 0 PID: 1041 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 # [ 35.876728] FS: 00007fc7d371c580(0000) GS:ffff9c1cbad8000[ 37.952399] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0(0000) knlGS:0000000000000000 # [ 35.885765] CS: 0010 DS: 0[ 37.985055] CPU: 0 PID: 1041 Comm: cat Tainted: G D W 5.10.167-cip26 #1 000 ES: 0000 CR0: 0000000080050033 # [ 35.892178] CR2: 000000[ 37.999921] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 0000000000 CR3: 0000000103156003 CR4: 00000000003706e0 # [ 35[ 38.012947] RIP: 0010:native_write_cr4+0x45/0x60 .900145] BUG: sleeping function called from invalid context at i[ 38.024343] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 99 90 e3 01 00 75 f2 48 c7 c7 10 11 3f 9f c6 05 89 90 e3 01 01 e8 7d 99 e4 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 nclude/linux/percpu-rwsem.h:49 # [ 35.910051] in_atomic(): 0,[ 38.051542] RSP: 0018:ffffb43781987e48 EFLAGS: 00010286 irqs_disabled(): 1, non_block: 0, pid: 747, name: cat # [ 35[ 38.063607] RAX: 0000000000000000 RBX: 00000000002706f0 RCX: 0000000000000000 .918407] INFO: lockdep is turned off. # [ 35.922782] irq even[ 38.077875] RDX: ffff9c1cbac2c660 RSI: ffff9c1cbac1bf70 RDI: ffff9c1cbac1bf70 t stamp: 0 # [ 35.926187] hardirqs last enabled at (0): [<00[ 38.092019] RBP: ffffffff9f4b23ed R08: 0000000000000000 R09: 0000000000000000 00000000000000>] 0x0 # [ 35.933185] hardirqs last disabled at[ 38.106299] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b (0): [] copy_process+0x664/0x1cb0 # [ 35.9[ 38.120489] R13: ffffb43781987f10 R14: ffffb43781987f10 R15: ffff9c1c44010000 42317] softirqs last enabled at (0): [] copy_[ 38.134653] FS: 00007f8b7a60a580(0000) GS:ffff9c1cbac00000(0000) knlGS:0000000000000000 process+0x664/0x1cb0 # [ 35.951451] softirqs last disabled at[ 38.149956] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 (0): [<0000000000000000>] 0x0 # [ 35.958446] CPU: 3 PID: 747[ 38.162619] CR2: 00007f8b7a413000 CR3: 00000001040a6006 CR4: 00000000003706f0 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # [ [ 38.176817] Call Trace: 35.966996] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020[ 38.185806] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 35.973797] Call Trace: # [ 35.976523] dump_stack+0x7[ 38.196879] direct_entry.cold+0x2c/0x38 7/0x9b # [ 35.980221] ___might_sleep.cold+0xa6/0xb6 # [ 3[ 38.207510] full_proxy_write+0x53/0x80 5.984790] exit_signals+0x1c/0x2e0 # [ 35.988776] do_exit+0x[ 38.218006] vfs_write+0xe7/0x3a0 c2/0xaf0 # [ 35.992278] ? ksys_write+0x68/0xf0 # [ 35.996[ 38.227993] ksys_write+0x68/0xf0 169] make_task_dead+0x2f/0x30 # [ 36.000254] rewind_stack_a[ 38.237885] do_syscall_64+0x30/0x40 nd_make_dead+0x17/0x20 # [ 36.005502] RIP: 0033:0x7fc7d363283[ 38.248126] entry_SYSCALL_64_after_hwframe+0x61/0xc6 3 # [ 36.009488] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7[ 38.259953] RIP: 0033:0x7f8b7a520833 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 [ 38.270219] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00[ 38.297380] RSP: 002b:00007fffe536c8c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 48 83 ec 28 48 89 54 24 18 # [ 36.030462] RSP: 002b:00007fff[ 38.312139] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f8b7a520833 e245f5b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 36.0[ 38.326268] RDX: 000000000000000b RSI: 00007f8b7a413000 RDI: 0000000000000001 38915] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fc7[ 38.340504] RBP: 00007f8b7a413000 R08: 00007f8b7a412010 R09: 0000000000000000 d3632833 # [ 36.046888] RDX: 000000000000000a RSI: 00007fc7d3[ 38.354684] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 525000 RDI: 0000000000000001 # [ 36.054854] RBP: 00007fc7d352[ 38.368877] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 5000 R08: 00007fc7d3524010 R09: 0000000000000000 # [ 36.06282[ 38.383045] irq event stamp: 0 6] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 000000000000[ 38.392679] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0001 # [ 36.070791] R13: 0000000000000001 R14: 00000000000200[ 38.405885] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 00 R15: 0000000000020000 # EXCEPTION: saw 'call trace:': ok ok[ 38.421249] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 5 selftests: lkdtm: EXCEPTION.sh # selftests: lkdtm: LOOP.sh [ 38.436588] softirqs last disabled at (0): [<0000000000000000>] 0x0 # Skipping LOOP: Hangs the system ok 6 selftests: lkdtm: LOOP.s[ 38.449832] ---[ end trace fe2f61b4f449843d ]--- h # SKIP # selftests: lkdtm: EXHAUST_STACK.sh # Skipping EXHAU[ 38.461181] lkdtm: ok: SMEP did not get cleared ST_STACK: Corrupts memory on failure ok 7 selftests: lkdtm: EXH[ 38.472473] lkdtm: trying to clear SMEP with call gadget AUST_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK.sh # Sk[ 38.484615] lkdtm: ok: SMEP removal was reverted ipping CORRUPT_STACK: Crashes entire system on success ok 8 selftests: lkdtm: CORRUPT_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK_STRONG.sh # Skipping CORRUPT_STACK_STRONG: Crashes entire system on success ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP # selftests: lkdtm: CORRUPT_LIST_ADD.sh # [ 36.368005] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 36.377123] lkdtm: attempting good list addition # [ 36.382289] lkdtm: attempting corrupted list addition # [ 36.387939] 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 # [ 36.554167] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 36.561533] lkdtm: attempting good list removal # [ 36.566631] lkdtm: attempting corrupted list removal # [ 36.572205] lkdtm: list_del() corruption not detected! # CORRUPT_LIST_DEL: missing 'list_del corruption': [FAIL] not ok 11 selftests: lkdtm: CORRUPT_LIST_DEL.sh # exit=1 # selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # Segmentation fault # [ 36.701774] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 36.709338] lkdtm: attempting bad read from page below curren[ 38.617935] lkdtm: Performing direct entry DOUBLE_FAULT [ 38.626104] lkdtm: XFAIL: this test is ia32-only t stack # [ 36.716449] BUG: stack guard page was hit at 00000000f0618d2c (stack is 0000000063d6120d..00000000c2d3aa17) # [ 36.727357] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 36.740372] CPU: 3 PID: 972 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # [ 36.748925] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 36.761943] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 36.768455] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 50 2c 4b 9f 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 04 9d fd ff 48 c7 c7 90 2c 4b 9f <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 ea 9c fd ff 0f 1f 44 # [ 36.789431] RSP: 0018:ffffb43781887e50 EFLAGS: 00010246 # [ 36.795263] RAX: 0000000000000038 RBX: ffffb43781884000 RCX: 0000000000000000 # [ 36.803229] RDX: 0000000000000000 RSI[ 38.706578] lkdtm: Performing direct entry CORRUPT_PAC [ 38.717843] lkdtm: XFAIL: this test is arm64-only : ffff9c1cbad9bf70 RDI: ffffffff9f4b2c90 # [ 36.811194] RBP: ffffffff9f4b23ba R08: 0000000000000000 R09: 0000000000000000 # [ 36.819161] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 36.827126] R13: ffffb43781887f10 R14: ffffb43781887f10 R15: ffff9c1c43d5f000 # [ 36.835093] FS: 00007fc8d72f1580(0000) GS:ffff9c1cbad80000(0000) knlGS:0000000000000000 # [ 36.844121] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 36.850534] CR2: ffffb43781883fff CR3: 0000000103c96006 CR4: 00000000003706e0 # [ 36.858500] Call Trace: # [ 36.861226] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 # [ 36.866272] direct_entry.cold+0x2c/0x38 # [ 36.870650] full_proxy_write+0x53/0x80 # [ 36.874928] vfs_write+0xe7/0x3a0 # [ 36.878616] ksys_write+0x68/0xf0 # [ 36.882305] do_syscall_64+0x[ 38.802018] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE [ 38.811085] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS 30/0x40 # [ 36.886294] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 36.891934] RIP: 0033:0x7fc8d7207833 # [ 36.895920] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 36.916896] RSP: 002b:00007ffdfae67238 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 36.925350] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fc8d7207833 # [ 36.933317] RDX: 0000000000000019 RSI: 00007fc8d70fa000 RDI: 0000000000000001 # [ 36.941284] RBP: 00007fc8d70fa000 R08: 00007fc8d70f9010 R09: 0000000000000000 # [ 36.949250] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 36.957216] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 36.965186] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 36.991635] ---[ end trace fe2f61b4f449843b ]--- # [ 37.002999] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 37.007366] Code: 89 ff e8 ce 62 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 40 3d 92 02 # [ 37.028341] RSP: 0018:ffffb4378133fe60 EFLAGS: 00010282 # [ 37.034173] RAX: ffffffff9e2e4910 RBX: 0000000000000001 RCX: 0000000000000000 # [ 37.042141] RDX: 0000000000000000 RSI: ffff9c1cbad1bf70 RDI: ffffffff9f0d1110 # [ 37.050106] RBP: ffffffff9f50db00 R08: 0000000000000001 R09: 0000000000000001 # [ 37.058073] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 37.066038] R13: ffffb4378133ff10 R14: ffffb4378133ff10 R15: ffff9c1c43ce9000 # [ 37.074004] FS: 00007fc8d72f1580(0000) GS:ffff9c1cbad80000(0000) knlGS:0000000000000000 # [ 37.083037] CS: 0010 DS: 0000 ES[ 39.015038] lkdtm: Performing direct entry READ_AFTER_FREE : 0000 CR0: 0000000080050033 # [ 37.089451] CR2: ffffb4378188[ 39.023756] lkdtm: Value in memory before free: 12345678 3fff CR3: 0000000103c96006 CR4: 00000000003706e0 # STACK_GUARD_[ 39.035932] lkdtm: Attempting bad read from freed memory PAGE_LEADING: saw 'call trace:': ok ok 12 selftests: lkdtm: STA[ 39.048094] lkdtm: Memory was not poisoned CK_GUARD_PAGE_LEADING.sh # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # Segmentation fault # [ 37.189640] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 37.197791] lkdtm: attempting bad read from page above current stack # [ 37.211108] BUG: stack guard page was hit at 0000000086124a23 (stack is 000000002680ebd7..0000000064bd8032) # [ 37.228187] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 37.234988] CPU: 0 PID: 1005 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # [ 37.243635] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 37.250440] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 37.257053] Code: 9c fd ff 0f 1f 44 00 00 53 48 c7 c7 c8 2c 4b 9f 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 ca 9c fd ff 48 c7 c7 08 2d 4b 9f <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 ad 9c fd ff # [ 37.278031] RSP: 0018:ffffb437818dfe50 EFLAGS: 00010246 # [ 37.283868] RAX: 0000000000000038 RBX: ffffb437818dc000 RCX: 0000000000000000 # [ 37.291843] RDX: 0000000000000000 RSI: ffff9c1cbac1bf70 RDI: ffffffff9f4b2d08 # [ 37.299826] RBP: ffffffff9f4b23d[ 39.165582] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE 3 R08: 0000000000000000 R09: 0000000000000000 # [ 37.307794] [ 39.177506] lkdtm: Value in memory before free: 12345678 [ 39.189661] lkdtm: Attempting to read from freed memory [ 39.195517] lkdtm: Buddy page was not poisoned R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 37.315762] R13: ffffb437818dff10 R14: ffffb437818dff10 R15: ffff9c1c43064000 # [ 37.323720] FS: 00007fa6f0f24580(0000) GS:ffff9c1cbac00000(0000) knlGS:0000000000000000 # [ 37.332756] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 37.339170] CR2: ffffb437818e0000 CR3: 0000000103d52006 CR4: 00000000003706f0 # [ 37.347139] Call Trace: # [ 37.349876] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a # [ 37.355708] direct_entry.cold+0x2c/0x38 # [ 37.360085] full_proxy_write+0x53/0x80 # [ 37.364371] vfs_write+0xe7/0x3a0 # [ 37.368073] ksys_write+0x68/0xf0 # [ 37.371771] do_syscall_64+0x30/0x40 # [ 37.375762] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 37.381400] RIP: 0033:0x7fa6f0e3a833 # [ 37.385387] Code: [ 39.279464] lkdtm: Performing direct entry SLAB_FREE_DOUBLE [ 39.287568] lkdtm: Attempting double slab free ... 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 37.406356] RSP: 002b:00007ffffd20a8e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 37.414828] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007fa6f0e3a833 # [ 37.422793] RDX: 000000000000001a RSI: 00007fa6f0d2d000 RDI: 0000000000000001 # [ 37.430759] RBP: 00007fa6f0d2d000 R08: 00007fa6f0d2c010 R09: 0000000000000000 # [ 37.438726] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 37.446693] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 37.454664] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 37.481100] ---[ end trace fe2f61b4f449843c ]--- # [ 37.486252] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 37[ 39.397015] lkdtm: Performing direct entry SLAB_FREE_CROSS .490618] Code: 89 ff e8 ce 62 a3 ff 48 c7 c0 ea ff ff ff eb de 4[ 39.404765] lkdtm: Attempting cross-cache slab free ... 8 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 40 3d 92 02 # [ 37.511595] RSP: 0018:ffffb4378133fe60 EFLAGS: 00010282 # [ 37.517427] RAX: ffffffff9e2e4910 RBX: 0000000000000001 RCX: 0000000000000000 # [ 37.525394] RDX: 0000000000000000 RSI: ffff9c1cbad1bf70 RDI: ffffffff9f0d1110 # [ 37.533362] RBP: ffffffff9f50db00 R08: 0000000000000001 R09: 0000000000000001 # [ 37.541328] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 37.549295] R13: ffffb4378133ff10 R14: ffffb4378133ff10 R15: ffff9c1c43ce9000 # [ 37.557262] FS: 00007fa6f0f24580(0000) GS:ffff9c1cbac00000(0000) knlGS:0000000000000000 # [ 37.566296] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 37.572709] CR2: ffffb437818e0000 CR[ 39.492156] lkdtm: Performing direct entry SLAB_FREE_PAGE 3: 0000000103d52006 CR4: 00000000003706f0 # [ 37.580678] BUG:[ 39.503667] lkdtm: Attempting non-Slab slab free ... sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 37.590588] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1005, name: cat # [ 37.599042] INFO: lockdep is turned off. # [ 37.603418] irq event stamp: 0 # [ 37.606824] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 37.613816] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 37.622955] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 37.632089] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 37.639086] CPU: 0 PID: 1005 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # [ 37.647734] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 37.654534] Call Trace: # [ 37.657261] dump_stack+0x77/0x9b # [ 37.660965] ___might_sleep.cold+0xa6/0xb6 # [ 37.665540] exit_signals+0x1c/0x2e0 # [ 37.669521] do_exit+0xc2/0xaf0 # [ 37.673022] ? ksys_write+0x68/0xf0 # [ 37.676905] make_task_dead+0x2f/0x30 # [ 37.680990] rewind_stack_and_make_dead+0x17/0x20 # [ 37.686232] RIP: 0033:0x7fa6f0e3a833 # [ 37.690222] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 37.711201] RSP: 002b:00007ffffd20a8e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 37.719649] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007fa6f0e3a833 # [ 37.727612] RDX: 000000000000001a RSI: 00007fa6f0d2d000 RDI: 0000000000000001 # [ 37.735583] RBP: 00007fa6f0d2d000 R08: 00007fa6f0d2c010 R09: 0000000000000000 # [ 37.743543] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 37.751512] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 37.891965] lkdtm: Performing d[ 39.710937] lkdtm: Performing direct entry EXEC_DATA irect entry UNSET_SMEP # [ 37.901936] lkdtm: trying to clear [ 39.719888] lkdtm: attempting ok execution at ffffffff9e2e4ce0 [ 39.732622] lkdtm: attempting bad execution at ffffffffa0c086a0 SMEP normally # [ 37.913324] ------------[ cut here ]--------[ 39.739251] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 39.753826] BUG: unable to handle page fault for address: ffffffffa0c086a0 [ 39.761503] #PF: supervisor instruction fetch in kernel mode [ 39.767827] #PF: error_code(0x0011) - permissions violation [ 39.774047] PGD 49e29067 P4D 49e29067 PUD 49e2a063 PMD 800000004b4000e3 [ 39.781532] Oops: 0011 [#5] SMP PTI [ 39.785423] CPU: 3 PID: 1548 Comm: cat Tainted: G D W 5.10.167-cip26 #1 [ 39.794069] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 39.800895] RIP: 0010:data_area+0x0/0x40 [ 39.805269] Code: ff ff 00 85 3b 40 1c 9c ff ff 00 84 3b 40 1c 9c ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 39.826245] RSP: 0018:ffffb4378211fe48 EFLAGS: 00010246 [ 39.832077] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 39.840044] RDX: 0000000000000000 RSI: ffff9c1cbad9bf70 RDI: ffff9c1cbad9bf70 [ 39.848010] RBP: ffffffffa0c086a0 R08: 0000000000000000 R09: 0000000000000000 [ 39.855977] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 39.863944] R13: ffffb4378211ff10 R14: ffffb4378211ff10 R15: ffff9c1c4576c000 [ 39.871911] FS: 00007f1662e41580(0000) GS:ffff9c1cbad80000(0000) knlGS:0000000000000000 [ 39.880945] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.887358] CR2: ffffffffa0c086a0 CR3: 0000000104008002 CR4: 00000000003706e0 [ 39.895325] Call Trace: [ 39.898054] ? execute_location+0x45/0x56 [ 39.902528] ? direct_entry.cold+0x2c/0x38 [ 39.907100] ? full_proxy_write+0x53/0x80 [ 39.911574] ? vfs_write+0xe7/0x3a0 [ 39.915465] ? ksys_write+0x68/0xf0 [ 39.919346] ? do_syscall_64+0x30/0x40 [ 39.923528] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 39.929363] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ---- # [ 37.924684] pinned CR4 bits changed: 0x100000!? # [ [ 39.955811] CR2: ffffffffa0c086a0 [ 39.965717] ---[ end trace fe2f61b4f449843e ]--- [ 39.970882] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 39.975256] Code: 89 ff e8 ce 62 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 40 3d 92 02 [ 39.996234] RSP: 0018:ffffb4378133fe60 EFLAGS: 00010282 [ 40.002064] RAX: ffffffff9e2e4910 RBX: 0000000000000001 RCX: 0000000000000000 [ 40.010030] RDX: 0000000000000000 RSI: ffff9c1cbad1bf70 RDI: ffffffff9f0d1110 [ 40.017997] RBP: ffffffff9f50db00 R08: 0000000000000001 R09: 0000000000000001 [ 40.025962] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 40.033929] R13: ffffb4378133ff10 R14: ffffb4378133ff10 R15: ffff9c1c43ce9000 [ 40.041895] FS: 00007f1662e41580(0000) GS:ffff9c1cbad80000(0000) knlGS:0000000000000000 [ 40.050930] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.057344] CR2: ffffffffa0c086a0 CR3: 0000000104008002 CR4: 00000000003706e0 [ 40.065311] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 40.075219] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1548, name: cat [ 40.083670] INFO: lockdep is turned off. [ 40.088044] irq event stamp: 0 [ 40.091449] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 40.098446] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 40.107576] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 40.116708] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 40.123704] CPU: 3 PID: 1548 Comm: cat Tainted: G D W 5.10.167-cip26 #1 [ 40.132350] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 40.139151] Call Trace: [ 40.141886] dump_stack+0x77/0x9b [ 40.145583] ___might_sleep.cold+0xa6/0xb6 [ 40.150145] exit_signals+0x1c/0x2e0 [ 40.154132] do_exit+0xc2/0xaf0 [ 40.157633] ? ksys_write+0x68/0xf0 [ 40.161523] make_task_dead+0x2f/0x30 [ 40.165606] rewind_stack_and_make_dead+0x17/0x20 [ 40.170869] RIP: 0033:0x7f1662d57833 [ 40.174886] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 40.195882] RSP: 002b:00007ffeb59f8f98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 40.204334] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f1662d57833 [ 40.212300] RDX: 000000000000000a RSI: 00007f1662c4a000 RDI: 0000000000000001 [ 40.220267] RBP: 00007f1662c4a000 R08: 00007f1662c49010 R09: 0000000000000000 [ 40.228235] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 40.236202] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 37.935985] WARNING: CPU: 0 PID: 1041 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 # [ 37.952399] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 37.985055] CPU: 0 PID: 1041 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # [ 37.999921] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 38.012947] RIP: 0010:native_write_cr4+0x45/0x60 # [ 38.024343] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 99 90 e3 01 00 75 f2 48 c7 c7 10 11 3f 9f c6 05 89 90 e3 01 01 e8 7d 99 e4 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ 38.051542] RSP: 0018:ffffb43781987e48 EFLAGS: 00010286 # [ 38.063607] RAX: 0000000000000000 RBX: 00000000002706f0 RCX: 0000000000000000 # [ 38.077875] RDX: ffff9c1cbac2c660 RSI: ffff9c1cbac1bf70 RDI: ffff9c1cbac1bf70 # [ 38.092019] RBP: ffffffff9f4b23ed R08: 0000000000000000 R09: 0000000000000000 # [ 38.106299] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 38.120489] R13: ffffb43781987f10 R14: ffffb43781987f10 R15: fff[ 40.364622] lkdtm: Performing direct entry EXEC_STACK f9c1c44010000 # [ 38.134653] FS: 00007f8b7a60a580(0000) GS:f[ 40.374385] lkdtm: attempting ok execution at ffffffff9e2e4ce0 fff9c1cbac00000(0000) knlGS:0000000000000000 # [ 38.149956] C[ 40.387122] lkdtm: attempting bad execution at ffffb437821cfe18 S: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 38.16261[ 40.399969] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 40.414501] BUG: unable to handle page fault for address: ffffb437821cfe18 [ 40.422177] #PF: supervisor instruction fetch in kernel mode [ 40.428493] #PF: error_code(0x0011) - permissions violation [ 40.434711] PGD 100000067 P4D 100000067 PUD 100210067 PMD 102715067 PTE 80000001061ad063 [ 40.443754] Oops: 0011 [#6] SMP PTI [ 40.447645] CPU: 0 PID: 1584 Comm: cat Tainted: G D W 5.10.167-cip26 #1 [ 40.456283] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 40.463087] RIP: 0010:0xffffb437821cfe18 [ 40.467464] Code: 00 00 18 fe 1c 82 37 b4 ff ff 9c a9 93 9e ff ff ff ff 20 00 00 00 00 00 00 00 16 25 4b 9f ff ff ff ff cb aa 93 9e ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 40.488441] RSP: 0018:ffffb437821cfdf8 EFLAGS: 00010246 [ 40.494273] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 40.502241] RDX: 0000000000000000 RSI: ffff9c1cbac1bf70 RDI: ffff9c1cbac1bf70 [ 40.510207] RBP: ffffb437821cfe18 R08: 0000000000000000 R09: 0000000000000000 [ 40.518173] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 40.526141] R13: ffffb437821cff10 R14: ffffb437821cff10 R15: ffff9c1c43bcf000 [ 40.534109] FS: 00007f4848022580(0000) GS:ffff9c1cbac00000(0000) knlGS:0000000000000000 [ 40.543145] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.549558] CR2: ffffb437821cfe18 CR3: 0000000104008003 CR4: 00000000003706f0 [ 40.557525] Call Trace: [ 40.560252] ? execute_location+0x45/0x56 [ 40.564729] ? lkdtm_EXEC_STACK+0x26/0x44 [ 40.569203] ? direct_entry.cold+0x2c/0x38 [ 40.573774] ? full_proxy_write+0x53/0x80 [ 40.578248] ? vfs_write+0xe7/0x3a0 [ 40.582138] ? ksys_write+0x68/0xf0 [ 40.586029] ? do_syscall_64+0x30/0x40 [ 40.590211] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 40.596045] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 40.622476] CR2: ffffb437821cfe18 [ 40.626172] ---[ end trace fe2f61b4f449843f ]--- [ 40.631317] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 40.635692] Code: 89 ff e8 ce 62 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 40 3d 92 02 [ 40.656667] RSP: 0018:ffffb4378133fe60 EFLAGS: 00010282 [ 40.662497] RAX: ffffffff9e2e4910 RBX: 0000000000000001 RCX: 0000000000000000 [ 40.670466] RDX: 0000000000000000 RSI: ffff9c1cbad1bf70 RDI: ffffffff9f0d1110 [ 40.678433] RBP: ffffffff9f50db00 R08: 0000000000000001 R09: 0000000000000001 [ 40.686401] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 40.694366] R13: ffffb4378133ff10 R14: ffffb4378133ff10 R15: ffff9c1c43ce9000 [ 40.702334] FS: 00007f4848022580(0000) GS:ffff9c1cbac00000(0000) knlGS:0000000000000000 [ 40.711368] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.717784] CR2: ffffb437821cfe18 CR3: 0000000104008003 CR4: 00000000003706f0 9] CR2: 00007f8b7a413000 CR3: 00000001040a6006 CR4: 00000000003706f0 # [ 38.176817] Call Trace: # [ 38.185806] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 38.196879] direct_entry.cold+0x2c/0x38 # [ 38.207510] full_proxy_write+0x53/0x80 # [ 38.218006] vfs_write+0xe7/0x3a0 # [ 38.227993] ksys_write+0x68/0xf0 # [ 38.237885] do_syscall_64+0x30/0x40 # [ 38.248126] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 38.259953] RIP: 0033:0x7f8b7a520833 # [ 38.270219] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 38.297380] RSP: 002b:00007fffe536c8c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 38.312139] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f8b7a520833 # [ 38.326268] RDX: 000000000000000b RSI: 00007f8b7a413000 RDI: 0000000000000001 # [ 38.340504] RBP: 00007f8b7a413000 R08: 00007f8b7a412010 R09: 0000000000000000 # [ 38.354684] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 38.368877] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 38.383045] irq event stamp: 0 # [ 38.392679] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 38.405885] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 38.421249] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 38.436588] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 38.449832] ---[ end trace fe2f61b4f449843d ]--- # [ 38.461181] lkdtm: ok: SMEP did not get cleared # [ 38.472473] lkdtm: trying to clear SMEP with call gadget # [ 38.484615] 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 # [ 38.617935] lkdtm: Performing direct entry DOUBLE_FAULT # [ 38.626104] lkdtm: XFAIL: this test is ia32-only # DOUBLE_FAULT: saw 'XFAIL': [SKIP] ok 15 selftests: lkdtm: DOUBLE[ 40.928249] lkdtm: Performing direct entry EXEC_KMALLOC _FAULT.sh # SKIP # selftests: lkdtm: CORRUPT_PAC.sh # [ 38.7[ 40.936733] lkdtm: attempting ok execution at ffffffff9e2e4ce0 06578] lkdtm: Performing direct entry CORRUPT_PAC # [ 38.7178[ 40.949458] lkdtm: attempting bad execution at ffff9c1c45584500 43] lkdtm: XFAIL: this test is arm64-only # CORRUPT_PAC: saw 'X[ 40.962300] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 40.976851] BUG: unable to handle page fault for address: ffff9c1c45584500 [ 40.984528] #PF: supervisor instruction fetch in kernel mode [ 40.990846] #PF: error_code(0x0011) - permissions violation [ 40.997056] PGD 4b601067 P4D 4b601067 PUD 10084b063 PMD 105158063 PTE 8000000105584063 FAIL': [SKIP] ok 16 selftests: lkdtm: CORRUPT_PAC.sh # SKIP # [ 41.005905] Oops: 0011 [#7] SMP PTI [ 41.016007] CPU: 1 PID: 1620 Comm: cat Tainted: G D W 5.10.167-cip26 #1 [ 41.024644] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 41.031446] RIP: 0010:0xffff9c1c45584500 [ 41.035828] Code: 00 00 02 00 00 00 00 00 00 00 40 45 58 45 1c 9c ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 bb 24 b0 9d ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 41.056803] RSP: 0018:ffffb4378222fe38 EFLAGS: 00010246 [ 41.062633] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 41.070601] RDX: 0000000000000000 RSI: ffff9c1cbac9bf70 RDI: ffff9c1cbac9bf70 [ 41.078566] RBP: ffff9c1c45584500 R08: 0000000000000000 R09: 0000000000000000 [ 41.086533] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 41.094500] R13: ffffb4378222ff10 R14: ffffb4378222ff10 R15: ffff9c1c4278f000 [ 41.102466] FS: 00007f8d2e70f580(0000) GS:ffff9c1cbac80000(0000) knlGS:0000000000000000 [ 41.111502] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.117915] CR2: ffff9c1c45584500 CR3: 0000000103cf6006 CR4: 00000000003706e0 [ 41.125886] Call Trace: [ 41.128615] ? execute_location+0x45/0x56 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # [ 38.802018[ 41.133090] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 [ 41.143968] ? direct_entry.cold+0x2c/0x38 [ 41.148541] ? full_proxy_write+0x53/0x80 ] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [[ 41.153016] ? vfs_write+0xe7/0x3a0 [ 41.163115] ? ksys_write+0x68/0xf0 [ 41.167007] ? do_syscall_64+0x30/0x40 [ 41.171190] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 38.811085] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALI[ 41.177026] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 41.209655] CR2: ffff9c1c45584500 [ 41.213351] ---[ end trace fe2f61b4f4498440 ]--- [ 41.218504] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 41.222883] Code: 89 ff e8 ce 62 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 40 3d 92 02 [ 41.243879] RSP: 0018:ffffb4378133fe60 EFLAGS: 00010282 [ 41.249712] RAX: ffffffff9e2e4910 RBX: 0000000000000001 RCX: 0000000000000000 [ 41.257677] RDX: 0000000000000000 RSI: ffff9c1cbad1bf70 RDI: ffffffff9f0d1110 [ 41.265646] RBP: ffffffff9f50db00 R08: 0000000000000001 R09: 0000000000000001 [ 41.273613] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 41.281580] R13: ffffb4378133ff10 R14: ffffb4378133ff10 R15: ffff9c1c43ce9000 [ 41.289547] FS: 00007f8d2e70f580(0000) GS:ffff9c1cbac80000(0000) knlGS:0000000000000000 [ 41.298583] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.304996] CR2: ffff9c1c45584500 CR3: 0000000103cf6006 CR4: 00000000003706e0 [ 41.312965] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 41.322878] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1620, name: cat [ 41.331331] INFO: lockdep is turned off. [ 41.335704] irq event stamp: 0 [ 41.339108] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 41.346106] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 41.355238] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 41.364370] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 41.371367] CPU: 1 PID: 1620 Comm: cat Tainted: G D W 5.10.167-cip26 #1 [ 41.380003] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 41.386827] Call Trace: [ 41.389556] dump_stack+0x77/0x9b GNED_ACCESS # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP] [ 41.393255] ___might_sleep.cold+0xa6/0xb6 [ 41.404035] exit_signals+0x1c/0x2e0 [ 41.408024] do_exit+0xc2/0xaf0 [ 41.411525] ? ksys_write+0x68/0xf0 [ 41.415417] make_task_dead+0x2f/0x30 [ 41.419502] rewind_stack_and_make_dead+0x17/0x20 [ 41.424752] RIP: 0033:0x7f8d2e625833 [ 41.428740] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 41.449707] RSP: 002b:00007ffeee998138 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 41.458161] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f8d2e625833 [ 41.466128] RDX: 000000000000000d RSI: 00007f8d2e518000 RDI: 0000000000000001 [ 41.474087] RBP: 00007f8d2e518000 R08: 00007f8d2e517010 R09: 0000000000000000 [ 41.482047] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 41.490012] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ok 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP # selftests: lkdtm: OVERWRITE_ALLOCATION.sh # Skipping OVERWRITE_ALLOCATION: Corrupts memory on failure ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP # selftests: lkdtm: WRITE_AFTER_FREE.sh # Skipping WRITE_AFTER_FREE: Corrupts memory on failure ok 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_AFTER_FREE.sh # [ 39.015038] lkdtm: Performing direct entry READ_AFTER_FREE # [ 39.023756] lkdtm: Value in memory before free: 12345678 # [ 39.035932] lkdtm: Attempting bad read from freed memory # [ 39.048094] 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 # [ 39.165582] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 39.177506] lkdtm: Value in memory before free: 12345678 # [ 39.189661] lkdtm: Attempting to read [ 41.604432] lkdtm: Performing direct entry EXEC_VMALLOC from freed memory # [ 39.195517] lkdtm: Buddy page was not po[ 41.615714] lkdtm: attempting ok execution at ffffffff9e2e4ce0 isoned # READ_BUDDY_AFTER_FREE: missing 'call trace:': [FAIL] [ 41.628420] lkdtm: attempting bad execution at ffffb43780379000 not ok 22 selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # exit=1 #[ 41.641248] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 41.655812] BUG: unable to handle page fault for address: ffffb43780379000 [ 41.663491] #PF: supervisor instruction fetch in kernel mode [ 41.669809] #PF: error_code(0x0011) - permissions violation selftests: lkdtm: SLAB_FREE_DOUBLE.sh # [ 39.279464] lkdtm: [ 41.676031] PGD 100000067 P4D 100000067 PUD 100210067 PMD 100943067 PTE 8000000102753063 [ 41.691284] Oops: 0011 [#8] SMP PTI [ 41.695174] CPU: 1 PID: 1656 Comm: cat Tainted: G D W 5.10.167-cip26 #1 [ 41.703830] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 41.710635] RIP: 0010:0xffffb43780379000 [ 41.715010] Code: Unable to access opcode bytes at RIP 0xffffb43780378fd6. [ 41.722685] RSP: 0018:ffffb437822bfe38 EFLAGS: 00010246 [ 41.728516] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 41.736484] RDX: 0000000000000000 RSI: ffff9c1cbac9bf70 RDI: ffff9c1cbac9bf70 [ 41.744451] RBP: ffffb43780379000 R08: 0000000000000000 R09: 0000000000000000 [ 41.752419] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 41.760385] R13: ffffb437822bff10 R14: ffffb437822bff10 R15: ffff9c1c42753000 [ 41.768353] FS: 00007f5c60648580(0000) GS:ffff9c1cbac80000(0000) knlGS:0000000000000000 [ 41.777388] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.783820] CR2: ffffb43780378fd6 CR3: 0000000103cd8003 CR4: 00000000003706e0 [ 41.791791] Call Trace: [ 41.794519] ? execute_location+0x45/0x56 Performing direct entry SLAB_FREE_DOUBLE # [ 39.287568] lkdtm[ 41.798995] ? lkdtm_EXEC_VMALLOC+0x20/0x30 [ 41.809880] ? direct_entry.cold+0x2c/0x38 [ 41.814451] ? full_proxy_write+0x53/0x80 [ 41.818926] ? vfs_write+0xe7/0x3a0 [ 41.822827] ? ksys_write+0x68/0xf0 [ 41.826718] ? do_syscall_64+0x30/0x40 [ 41.830890] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 : Attempting double slab free ... # SLAB_FREE_DOUBLE: missing '[ 41.836725] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 41.869357] CR2: ffffb43780379000 [ 41.873052] ---[ end trace fe2f61b4f4498441 ]--- [ 41.878203] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 41.882579] Code: 89 ff e8 ce 62 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 40 3d 92 02 [ 41.903556] RSP: 0018:ffffb4378133fe60 EFLAGS: 00010282 [ 41.909387] RAX: ffffffff9e2e4910 RBX: 0000000000000001 RCX: 0000000000000000 [ 41.917353] RDX: 0000000000000000 RSI: ffff9c1cbad1bf70 RDI: ffffffff9f0d1110 [ 41.925319] RBP: ffffffff9f50db00 R08: 0000000000000001 R09: 0000000000000001 [ 41.933285] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 41.941252] R13: ffffb4378133ff10 R14: ffffb4378133ff10 R15: ffff9c1c43ce9000 [ 41.949219] FS: 00007f5c60648580(0000) GS:ffff9c1cbac80000(0000) knlGS:0000000000000000 [ 41.958254] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.964667] CR2: ffffb43780378fd6 CR3: 0000000103cd8003 CR4: 00000000003706e0 call trace:': [FAIL] not ok 23 selftests: lkdtm: SLAB_FREE_DOUBLE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_CROSS.sh # [ 39.397015] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 39.404765] 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 # [ 39.492156] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 39.503667] lkdtm: Attempting non-Slab slab free ... # SLAB_FREE_PAGE: missing 'call trace:': [FAIL] not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1 # selftests: lkdtm: SOFTLOCKUP.sh # Skipping SOFTLOCKUP: Hangs the system ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP # selftests: lkdtm: HARDLOCKUP.sh # Skipping HARDLOCKUP: Hangs the system ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP # selftests: lkdtm: SPINLOCKUP.sh # Skipping SPINLOCKUP: Hangs the system ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP # selftests: lkdtm: HUNG_TASK.sh # Skipping HUNG_TASK: Hangs the system ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP # selftests: lkdtm: EXEC_DATA.sh # Killed # [ 39.710937] lkdtm: Performing direct entry EXEC_DATA # [ 39.719888] lkdtm: attempting ok execution at ffffffff9e2e4ce0 # [ 39.732622] lkdtm: attempting bad execution at ffffffffa0c086[ 42.098761] lkdtm: Performing direct entry EXEC_RODATA [ 42.108904] lkdtm: attempting ok execution at ffffffff9e2e4ce0 [ 42.115451] lkdtm: attempting bad execution at ffffffff9f0d15a0 a0 # [ 39.739251] kernel tried to execute NX-protected page -[ 42.122085] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 42.136638] BUG: unable to handle page fault for address: ffffffff9f0d15a0 [ 42.144314] #PF: supervisor instruction fetch in kernel mode [ 42.150631] #PF: error_code(0x0011) - permissions violation [ 42.156851] PGD 49e29067 P4D 49e29067 PUD 49e2a063 PMD 80000000498000e1 [ 42.164356] Oops: 0011 [#9] SMP PTI [ 42.168247] CPU: 2 PID: 1692 Comm: cat Tainted: G D W 5.10.167-cip26 #1 [ 42.176895] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 42.183700] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 [ 42.189435] Code: ff ff 3b bf 93 9e ff ff ff ff 62 27 4b 9f ff ff ff ff 81 a6 93 9e 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 [ 42.210413] RSP: 0018:ffffb4378234fe48 EFLAGS: 00010246 [ 42.216245] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 42.224211] RDX: 0000000000000000 RSI: ffff9c1cbad1bf70 RDI: ffff9c1cbad1bf70 [ 42.232176] RBP: ffffffff9f0d15a0 R08: 0000000000000000 R09: 0000000000000000 [ 42.240143] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 42.248110] R13: ffffb4378234ff10 R14: ffffb4378234ff10 R15: ffff9c1c41228000 [ 42.256078] FS: 00007f15f9cc6580(0000) GS:ffff9c1cbad00000(0000) knlGS:0000000000000000 [ 42.265103] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.271515] CR2: ffffffff9f0d15a0 CR3: 0000000103cde005 CR4: 00000000003706e0 [ 42.279482] Call Trace: [ 42.282209] ? execute_location+0x45/0x56 [ 42.286681] ? direct_entry.cold+0x2c/0x38 [ 42.291253] ? full_proxy_write+0x53/0x80 [ 42.295728] ? vfs_write+0xe7/0x3a0 [ 42.299619] ? ksys_write+0x68/0xf0 [ 42.303511] ? do_syscall_64+0x30/0x40 [ 42.307694] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 42.313530] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify exploit attempt? (uid: 0) # [ 39.753826] BUG: unable to hand[ 42.339985] CR2: ffffffff9f0d15a0 [ 42.349894] ---[ end trace fe2f61b4f4498442 ]--- [ 42.355049] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 42.359424] Code: 89 ff e8 ce 62 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 40 3d 92 02 [ 42.380404] RSP: 0018:ffffb4378133fe60 EFLAGS: 00010282 [ 42.386235] RAX: ffffffff9e2e4910 RBX: 0000000000000001 RCX: 0000000000000000 [ 42.394202] RDX: 0000000000000000 RSI: ffff9c1cbad1bf70 RDI: ffffffff9f0d1110 [ 42.402168] RBP: ffffffff9f50db00 R08: 0000000000000001 R09: 0000000000000001 [ 42.410136] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 42.418105] R13: ffffb4378133ff10 R14: ffffb4378133ff10 R15: ffff9c1c43ce9000 [ 42.426073] FS: 00007f15f9cc6580(0000) GS:ffff9c1cbad00000(0000) knlGS:0000000000000000 [ 42.435099] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.441513] CR2: ffffffff9f0d15a0 CR3: 0000000103cde005 CR4: 00000000003706e0 le page fault for address: ffffffffa0c086a0 # [ 39.761503] #PF: supervisor instruction fetch in kernel mode # [ 39.767827] #PF: error_code(0x0011) - permissions violation # [ 39.774047] PGD 49e29067 P4D 49e29067 PUD 49e2a063 PMD 800000004b4000e3 # [ 39.781532] Oops: 0011 [#5] SMP PTI # [ 39.785423] CPU: 3 PID: 1548 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # [ 39.794069] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 39.800895] RIP: 0010:data_area+0x0/0x40 # [ 39.805269] Code: ff ff 00 85 3b 40 1c 9c ff ff 00 84 3b 40 1c 9c ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 39.826245] RSP: 0018:ffffb4378211fe48 EFLAGS: 00010246 # [ 39.832077] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 39.840044] RDX: 0000000000000000 RSI: ffff9c1cbad9bf70 RDI: ffff9c1cbad9bf70 # [ 39.848010] RBP: ffffffffa0c086a0 R08: 0000000000000000 R09: 0000000000000000 # [ 39.855977] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 39.863944] R13: ffffb4378211ff10 R14: ffffb4378211ff10 R15: ffff9c1c4576c000 # [ 39.871911] FS: 00007f1662e41580(0000) GS:ffff9c1cbad80000(0000) knlGS:0000000000000000 # [ 39.880945] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 39.887358] CR2: ffffffffa0c086a0 CR3: 0000000104008002 CR4: 00000000003706e0 # [ 39.895325] Call Trace: # [ 39.898054] ? execute_location+0x45/0x56 # [ 39.902528] ? direct_entry.cold+0x2c/0x38 # [ 39.907100] ? full_proxy_write+0x53/0x80 # [ 39.911574] ? vfs_write+0xe7/0x3a0 # [ 39.915465] ? ksys_write+0x68/0xf0 # [ 39.919346] ? do_syscall_64+0x30/0x40 # [ 39.923528] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 39.929363] Modules linked in[ 42.627842] lkdtm: Performing direct entry EXEC_USERSPACE [ 42.635833] lkdtm: attempting ok execution at ffffffff9e2e4ce0 [ 42.642383] lkdtm: attempting bad execution at 00007f35f18e6000 [ 42.649021] unable to execute userspace code (SMEP?) (uid: 0) [ 42.655447] BUG: unable to handle page fault for address: 00007f35f18e6000 : fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrial[ 42.663126] #PF: supervisor instruction fetch in kernel mode [ 42.675654] #PF: error_code(0x0011) - permissions violation [ 42.681879] PGD 8000000103be4067 P4D 8000000103be4067 PUD 103b25067 PMD 103074067 PTE 10e9b4067 [ 42.691599] Oops: 0011 [#10] SMP PTI [ 42.695586] CPU: 2 PID: 1728 Comm: cat Tainted: G D W 5.10.167-cip26 #1 [ 42.704235] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 42.711040] RIP: 0010:0x7f35f18e6000 [ 42.715025] Code: Unable to access opcode bytes at RIP 0x7f35f18e5fd6. [ 42.722313] RSP: 0018:ffffb437823d7e50 EFLAGS: 00010246 [ 42.728145] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 [ 42.736113] RDX: 0000000000000000 RSI: ffff9c1cbad1bf70 RDI: ffff9c1cbad1bf70 [ 42.744080] RBP: 00007f35f18e6000 R08: 0000000000000000 R09: 0000000000000000 [ 42.752049] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f [ 42.760017] R13: ffffb437823d7f10 R14: ffffb437823d7f10 R15: ffff9c1c4576f000 [ 42.767985] FS: 00007f35f18b7580(0000) GS:ffff9c1cbad00000(0000) knlGS:0000000000000000 [ 42.777021] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.783434] CR2: 00007f35f18e6000 CR3: 0000000103e2c006 CR4: 00000000003706e0 [ 42.791401] Call Trace: [ 42.794130] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae [ 42.799477] ? direct_entry.cold+0x2c/0x38 [ 42.804050] ? full_proxy_write+0x53/0x80 [ 42.808525] ? vfs_write+0xe7/0x3a0 [ 42.812414] ? ksys_write+0x68/0xf0 [ 42.816305] ? do_syscall_64+0x30/0x40 [ 42.820478] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 42.826304] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify io_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros[ 42.852761] CR2: 00007f35f18e6000 [ 42.862669] ---[ end trace fe2f61b4f4498443 ]--- [ 42.867828] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 42.872204] Code: 89 ff e8 ce 62 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 40 3d 92 02 [ 42.893177] RSP: 0018:ffffb4378133fe60 EFLAGS: 00010282 [ 42.899011] RAX: ffffffff9e2e4910 RBX: 0000000000000001 RCX: 0000000000000000 [ 42.906978] RDX: 0000000000000000 RSI: ffff9c1cbad1bf70 RDI: ffffffff9f0d1110 [ 42.914947] RBP: ffffffff9f50db00 R08: 0000000000000001 R09: 0000000000000001 [ 42.922915] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 42.930884] R13: ffffb4378133ff10 R14: ffffb4378133ff10 R15: ffff9c1c43ce9000 [ 42.938853] FS: 00007f35f18b7580(0000) GS:ffff9c1cbad00000(0000) knlGS:0000000000000000 [ 42.947890] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.954305] CR2: 00007f35f18e6000 CR3: 0000000103e2c006 CR4: 00000000003706e0 [ 42.962274] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 42.972186] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1728, name: cat [ 42.980641] INFO: lockdep is turned off. [ 42.985015] irq event stamp: 0 [ 42.988421] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 42.995421] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 43.004556] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 43.013690] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 43.020688] CPU: 2 PID: 1728 Comm: cat Tainted: G D W 5.10.167-cip26 #1 [ 43.029337] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 43.036141] Call Trace: [ 43.038887] dump_stack+0x77/0x9b [ 43.042585] ___might_sleep.cold+0xa6/0xb6 [ 43.047155] exit_signals+0x1c/0x2e0 [ 43.051134] do_exit+0xc2/0xaf0 [ 43.054638] ? ksys_write+0x68/0xf0 [ 43.058530] make_task_dead+0x2f/0x30 [ 43.062606] rewind_stack_and_make_dead+0x17/0x20 [ 43.067857] RIP: 0033:0x7f35f17cd833 [ 43.071845] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 43.092829] RSP: 002b:00007ffe4baca338 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 43.101285] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007f35f17cd833 [ 43.109254] RDX: 000000000000000f RSI: 00007f35f16c0000 RDI: 0000000000000001 [ 43.117225] RBP: 00007f35f16c0000 R08: 00007f35f16bf010 R09: 0000000000000000 [ 43.125195] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 43.133164] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 _ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 39.955811] CR2: ffffffffa0c086a0 # [ 39.965717] ---[ end trace fe2f61b4f449843e ]--- # [ 39.970882] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 39.975256] Code: 89 ff e8 ce 62 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 40 3d 92 02 # [ 39.996234] RSP: 0018:ffffb4378133fe60 EFLAGS: 00010282 # [ 40.002064] RAX: ffffffff9e2e4910 RBX: 0000000000000001 RCX: 0000000000000000 # [ 40.010030] RDX: 0000000000000000 RSI: ffff9c1cbad1bf70 RDI: ffffffff9f0d1110 # [ 40.017997] RBP: ffffffff9f50db00 R08: 0000000000000001 R09: 0000000000000001 # [ 40.025962] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 40.033929] R13: ffffb4378133ff10 R14: ffffb4378133ff10 R15: ffff9c1c43ce9000 # [ 40.041895] FS: 00007f1662e41580(0000) GS:ffff9c1cbad80000(0000) knlGS:0000000000000000 # [ 40.050930] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 40.057344] CR2: ffffffffa0c086a0 CR3: 0000000104008002 CR4: 00000000003706e0 # [ 40.065311] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 40.075219] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1548, name: cat # [ 40.083670] INFO: lockdep is turned off. # [ 40.088044] irq event stamp: 0 # [ 40.091449] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 40.098446] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 40.107576] softirqs last enabled at (0): [] copy_proces[ 43.308573] lkdtm: Performing direct entry EXEC_NULL [ 43.314566] lkdtm: attempting ok execution at ffffffff9e2e4ce0 [ 43.321120] lkdtm: attempting bad execution at 0000000000000000 [ 43.327772] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 43.335562] #PF: supervisor instruction fetch in kernel mode s+0x664/0x1cb0 # [ 40.116708] softirqs last disabled at (0): [ 43.341883] #PF: error_code(0x0010) - not-present page [ 43.353832] PGD 0 P4D 0 [<0000000000000000>] 0x0 # [ 40.123704] CPU: 3 PID: 1548 Comm[ 43.356659] Oops: 0010 [#11] SMP PTI [ 43.366875] CPU: 3 PID: 1764 Comm: cat Tainted: G D W 5.10.167-cip26 #1 [ 43.375555] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 43.382360] RIP: 0010:0x0 [ 43.385281] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 43.392960] RSP: 0018:ffffb43782467e48 EFLAGS: 00010246 [ 43.398793] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 43.406763] RDX: 0000000000000000 RSI: ffff9c1cbad9bf70 RDI: ffff9c1cbad9bf70 [ 43.414734] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 43.422703] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 43.430671] R13: ffffb43782467f10 R14: ffffb43782467f10 R15: ffff9c1c430a9000 [ 43.438639] FS: 00007f61ec51a580(0000) GS:ffff9c1cbad80000(0000) knlGS:0000000000000000 [ 43.447677] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.454091] CR2: ffffffffffffffd6 CR3: 00000001040d8005 CR4: 00000000003706e0 [ 43.462059] Call Trace: [ 43.464787] execute_location+0x45/0x56 [ 43.469068] direct_entry.cold+0x2c/0x38 [ 43.473445] full_proxy_write+0x53/0x80 [ 43.477717] vfs_write+0xe7/0x3a0 [ 43.481415] ksys_write+0x68/0xf0 [ 43.485103] do_syscall_64+0x30/0x40 [ 43.489091] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 43.494729] RIP: 0033:0x7f61ec430833 [ 43.498718] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 43.519692] RSP: 002b:00007ffe65fb2498 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 43.528147] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f61ec430833 [ 43.536117] RDX: 000000000000000a RSI: 00007f61ec323000 RDI: 0000000000000001 [ 43.544087] RBP: 00007f61ec323000 R08: 00007f61ec322010 R09: 0000000000000000 [ 43.552056] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 43.560025] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 43.567997] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify : cat Tainted: G D W 5.10.167-cip26 #1 # [ 40.13[ 43.594455] CR2: 0000000000000000 [ 43.604366] ---[ end trace fe2f61b4f4498444 ]--- [ 43.609520] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 43.613897] Code: 89 ff e8 ce 62 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 40 3d 92 02 [ 43.634881] RSP: 0018:ffffb4378133fe60 EFLAGS: 00010282 [ 43.640711] RAX: ffffffff9e2e4910 RBX: 0000000000000001 RCX: 0000000000000000 [ 43.648679] RDX: 0000000000000000 RSI: ffff9c1cbad1bf70 RDI: ffffffff9f0d1110 [ 43.656646] RBP: ffffffff9f50db00 R08: 0000000000000001 R09: 0000000000000001 [ 43.664614] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 43.672583] R13: ffffb4378133ff10 R14: ffffb4378133ff10 R15: ffff9c1c43ce9000 [ 43.680553] FS: 00007f61ec51a580(0000) GS:ffff9c1cbad80000(0000) knlGS:0000000000000000 [ 43.689590] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.696005] CR2: ffffffffffffffd6 CR3: 00000001040d8005 CR4: 00000000003706e0 2350] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 40.139151] Call Trace: # [ 40.141886] dump_stack+0x77/0x9b # [ 40.145583] ___might_sleep.cold+0xa6/0xb6 # [ 40.150145] exit_signals+0x1c/0x2e0 # [ 40.154132] do_exit+0xc2/0xaf0 # [ 40.157633] ? ksys_write+0x68/0xf0 # [ 40.161523] make_task_dead+0x2f/0x30 # [ 40.165606] rewind_stack_and_make_dead+0x17/0x20 # [ 40.170869] RIP: 0033:0x7f1662d57833 # [ 40.174886] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 40.195882] RSP: 002b:00007ffeb59f8f98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 40.204334] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f1662d57833 # [ 40.212300] RDX: 000000000000000a RSI: 00007f1662c4a000 RDI: 0000000000000001 # [ 40.220267] RBP: 00007f1662c4a000 R08: 00007f1662c49010 R09: 0000000000000000 # [ 40.228235] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 40.236202] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_DATA: saw 'call trace:': ok ok 30 selftests: lkdtm: EXEC_DATA.sh # selftests: lkdtm: EXEC_STACK.sh # Killed # [ 40.364622] lkdtm: Performing direct entry EXEC_STACK # [ 40.374385] lkdtm: attempting ok execution at ffffffff9e2e4ce0 # [ 40.387122] lkdtm: attempting bad execution at[ 43.842070] lkdtm: Performing direct entry ACCESS_USERSPACE ffffb437821cfe18 # [ 40.399969] kernel tried to execute NX-p[ 43.853225] lkdtm: attempting bad read at 00007fa188801000 rotected page - exploit attempt? (uid: 0) # [ 40.414501] BUG:[ 43.865557] BUG: unable to handle page fault for address: 00007fa188801000 [ 43.879438] #PF: supervisor read access in kernel mode [ 43.885174] #PF: error_code(0x0001) - permissions violation [ 43.891394] PGD 8000000103bcf067 P4D 8000000103bcf067 PUD 103065067 PMD 104161067 PTE 10b202067 unable to handle page fault for address: ffffb437821cfe18 # [ [ 43.901114] Oops: 0001 [#12] SMP PTI [ 43.911313] CPU: 1 PID: 1799 Comm: cat Tainted: G D W 5.10.167-cip26 #1 [ 43.919959] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 43.926766] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 40.422177] #PF: supervisor instruction fetch in kernel mode #[ 43.932990] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 80 34 4b 9f e8 3e 96 fd ff 48 c7 c7 a8 34 4b 9f b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 25 96 fd ff 48 89 ee 48 c7 c7 d0 34 4b [ 43.960183] RSP: 0018:ffffb437824efe48 EFLAGS: 00010246 [ 43.966014] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 [ 43.973983] RDX: 0000000000000000 RSI: ffff9c1cbac9bf70 RDI: ffffffff9f4b34a8 [ 43.981951] RBP: 00007fa188801000 R08: 0000000000000000 R09: 0000000000000000 [ 43.989919] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 [ 43.997887] R13: ffffb437824eff10 R14: ffffb437824eff10 R15: ffff9c1c43ca6000 [ 44.005876] FS: 00007fa1887d2580(0000) GS:ffff9c1cbac80000(0000) knlGS:0000000000000000 [ 44.014910] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.021325] CR2: 00007fa188801000 CR3: 00000001040fa003 CR4: 00000000003706e0 [ 44.029291] Call Trace: [ 44.032019] direct_entry.cold+0x2c/0x38 [ 40.428493] #PF: error_code(0x0011) - permissions violation [ 44.036399] full_proxy_write+0x53/0x80 [ 44.046889] vfs_write+0xe7/0x3a0 # [ 40.434711] PGD 100000067 P4D 100000067 PUD 100210067 PMD [ 44.050587] ksys_write+0x68/0xf0 [ 44.060495] do_syscall_64+0x30/0x40 [ 44.064484] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 44.070114] RIP: 0033:0x7fa1886e8833 [ 44.074101] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 44.095080] RSP: 002b:00007ffca7063538 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 44.103526] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fa1886e8833 [ 44.111484] RDX: 0000000000000011 RSI: 00007fa1885db000 RDI: 0000000000000001 [ 44.119453] RBP: 00007fa1885db000 R08: 00007fa1885da010 R09: 0000000000000000 [ 44.127421] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 44.135388] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 102715067 PTE 80000001061ad063 # [ 40.443754] Oops: 0011 [#6][ 44.143362] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 44.175994] CR2: 00007fa188801000 [ 44.179690] ---[ end trace fe2f61b4f4498445 ]--- [ 44.184836] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 44.189213] Code: 89 ff e8 ce 62 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 40 3d 92 02 [ 44.210182] RSP: 0018:ffffb4378133fe60 EFLAGS: 00010282 [ 44.216005] RAX: ffffffff9e2e4910 RBX: 0000000000000001 RCX: 0000000000000000 [ 44.223973] RDX: 0000000000000000 RSI: ffff9c1cbad1bf70 RDI: ffffffff9f0d1110 [ 44.231941] RBP: ffffffff9f50db00 R08: 0000000000000001 R09: 0000000000000001 [ 44.239907] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 44.247877] R13: ffffb4378133ff10 R14: ffffb4378133ff10 R15: ffff9c1c43ce9000 [ 44.255844] FS: 00007fa1887d2580(0000) GS:ffff9c1cbac80000(0000) knlGS:0000000000000000 [ 44.264879] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.271293] CR2: 00007fa188801000 CR3: 00000001040fa003 CR4: 00000000003706e0 [ 44.279260] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 44.289168] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1799, name: cat [ 44.297622] INFO: lockdep is turned off. [ 44.301997] irq event stamp: 0 [ 44.305401] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 44.312399] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 44.321531] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 44.330663] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 44.337661] CPU: 1 PID: 1799 Comm: cat Tainted: G D W 5.10.167-cip26 #1 [ 44.346310] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 44.353112] Call Trace: [ 44.355840] dump_stack+0x77/0x9b SMP PTI # [ 40.447645] CPU: 0 PID: 1584 Comm: cat Tainted: G[ 44.359540] ___might_sleep.cold+0xa6/0xb6 [ 44.370320] exit_signals+0x1c/0x2e0 D W 5.10.167-cip26 #1 # [ 40.456283] Hardware n[ 44.374310] do_exit+0xc2/0xaf0 [ 44.384023] ? ksys_write+0x68/0xf0 [ 44.387906] make_task_dead+0x2f/0x30 [ 44.391992] rewind_stack_and_make_dead+0x17/0x20 [ 44.397242] RIP: 0033:0x7fa1886e8833 [ 44.401222] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 44.422202] RSP: 002b:00007ffca7063538 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 44.430647] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fa1886e8833 [ 44.438614] RDX: 0000000000000011 RSI: 00007fa1885db000 RDI: 0000000000000001 [ 44.446582] RBP: 00007fa1885db000 R08: 00007fa1885da010 R09: 0000000000000000 [ 44.454549] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 44.462517] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ame: Google Rammus/Rammus, BIOS 09/04/2020 # [ 40.463087] RIP: 0010:0xffffb437821cfe18 # [ 40.467464] Code: 00 00 18 fe 1c 82 37 b4 ff ff 9c a9 93 9e ff ff ff ff 20 00 00 00 00 00 00 00 16 25 4b 9f ff ff ff ff cb aa 93 9e ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 40.488441] RSP: 0018:ffffb437821cfdf8 EFLAGS: 00010246 # [ 40.494273] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 40.502241] RDX: 0000000000000000 RSI: ffff9c1cbac1bf70 RDI: ffff9c1cbac1bf70 # [ 40.510207] RBP: ffffb437821cfe18 R08: 0000000000000000 R09: 0000000000000000 # [ 40.518173] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 40.526141] R13: ffffb437821cff10 R14: ffffb437821cff10 R15: ffff9c1c43bcf000 # [ 40.534109] FS: 00007f4848022580(0000) GS:ffff9c1cbac00000(0000) knlGS:0000000000000000 # [ 40.543145] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 40.549558] CR2: ffffb437821cfe18 CR3: 0000000104008003 CR4: 00000000003706f0 # [ 40.557525] Call Trace: # [ 40.560252] ? execute_location+0x45/0x56 # [ 40.564729] ? lkdtm_EXEC_STACK+0x26/0x44 # [ 40.569203] ? direct_entry.cold+0x2c/0x38 # [ 40.573774] ? full_proxy_write+0x53/0x80 # [ 40.578248] [ 44.589848] lkdtm: Performing direct entry ACCESS_NULL ? vfs_write+0xe7/0x3a0 # [ 40.582138] ? ksys_write+0x68/0xf0[ 44.600561] lkdtm: attempting bad read at 0000000000000000 # [ 40.586029] ? do_syscall_64+0x30/0x40 # [ 40.590211] [ 44.612910] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 44.626900] #PF: supervisor read access in kernel mode [ 44.632638] #PF: error_code(0x0000) - not-present page [ 44.638373] PGD 0 P4D 0 ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 40.596045] Mo[ 44.641200] Oops: 0000 [#13] SMP PTI [ 44.651399] CPU: 1 PID: 1834 Comm: cat Tainted: G D W 5.10.167-cip26 #1 dules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_[ 44.660047] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 44.673070] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 core industrialio_triggered_buffer kfifo_buf industrialio cros_e[ 44.678322] Code: e2 95 fd ff be 00 10 00 00 48 89 ef e8 2a d2 3c ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 80 34 4b 9f e8 bc 95 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 a8 34 4b 9f 48 01 [ 44.705517] RSP: 0018:ffffb43782597e58 EFLAGS: 00010246 [ 44.711352] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 [ 44.719322] RDX: 0000000000000000 RSI: ffff9c1cbac9bf70 RDI: ffff9c1cbac9bf70 [ 44.727289] RBP: ffffffff9f4b2571 R08: 0000000000000000 R09: 0000000000000000 [ 44.735257] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 44.743226] R13: ffffb43782597f10 R14: ffffb43782597f10 R15: ffff9c1c43fc4000 [ 44.751195] FS: 00007fea07a90580(0000) GS:ffff9c1cbac80000(0000) knlGS:0000000000000000 [ 44.760233] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.766647] CR2: 0000000000000000 CR3: 00000001026ea003 CR4: 00000000003706e0 [ 44.774617] Call Trace: [ 44.777344] direct_entry.cold+0x2c/0x38 c_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec[ 44.781723] full_proxy_write+0x53/0x80 [ 44.792217] vfs_write+0xe7/0x3a0 _sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify #[ 44.795915] ksys_write+0x68/0xf0 [ 44.805831] do_syscall_64+0x30/0x40 [ 40.622476] CR2: ffffb437821cfe18 # [ 40.626172] ---[ end[ 44.809828] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 44.821680] RIP: 0033:0x7fea079a6833 [ 44.825660] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 44.846636] RSP: 002b:00007ffd1da62378 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 44.855093] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fea079a6833 [ 44.863064] RDX: 000000000000000c RSI: 00007fea07899000 RDI: 0000000000000001 [ 44.871034] RBP: 00007fea07899000 R08: 00007fea07898010 R09: 0000000000000000 [ 44.879004] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 44.886974] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 trace fe2f61b4f449843f ]--- # [ 40.631317] RIP: 0010:lkdtm_B[ 44.894947] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 44.927588] CR2: 0000000000000000 [ 44.931278] ---[ end trace fe2f61b4f4498446 ]--- [ 44.936434] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 44.940829] Code: 89 ff e8 ce 62 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 40 3d 92 02 [ 44.961830] RSP: 0018:ffffb4378133fe60 EFLAGS: 00010282 [ 44.967663] RAX: ffffffff9e2e4910 RBX: 0000000000000001 RCX: 0000000000000000 [ 44.975634] RDX: 0000000000000000 RSI: ffff9c1cbad1bf70 RDI: ffffffff9f0d1110 [ 44.983604] RBP: ffffffff9f50db00 R08: 0000000000000001 R09: 0000000000000001 [ 44.991573] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 44.999543] R13: ffffb4378133ff10 R14: ffffb4378133ff10 R15: ffff9c1c43ce9000 [ 45.007512] FS: 00007fea07a90580(0000) GS:ffff9c1cbac80000(0000) knlGS:0000000000000000 [ 45.016549] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.022965] CR2: 0000000000000000 CR3: 00000001026ea003 CR4: 00000000003706e0 UG+0x5/0x10 # [ 40.635692] Code: 89 ff e8 ce 62 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 40 3d 92 02 # [ 40.656667] RSP: 0018:ffffb4378133fe60 EFLAGS: 00010282 # [ 40.662497] RAX: ffffffff9e2e4910 RBX: 0000000000000001 RCX: 0000000000000000 # [ 40.670466] RDX: 0000000000000000 RSI: ffff9c1cbad1bf70 RDI: ffffffff9f0d1110 # [ 40.678433] RBP: ffffffff9f50db00 R08: 0000000000000001 R09: 0000000000000001 # [ 40.686401] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 40.694366] R13: ffffb4378133ff10 R14: ffffb4378133ff10 R15: ffff9c1c43ce9000 # [ 40.702334] FS: 00007f4848022580(0000) GS:ffff9c1cbac00000(0000) knlGS:0000000000000000 # [ 40.711368] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 40.717784] CR2: ffffb437821cfe18 CR3: 0000000104008003 CR4: 00000000003706f0 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 40.928249] lkdtm: Performing direct entry EXEC_KMALLOC # [ 40.936733] lkdtm: attempting ok execution at ffffffff9e2e4ce0 # [ 40.949458] lkdtm: attempting bad execution at ffff9c1c45584500 # [ 40.962300] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 40.976851] BUG: unable to hand[ 45.164059] lkdtm: Performing direct entry WRITE_RO [ 45.173151] lkdtm: attempting bad rodata write at ffffffff9f0d1590 [ 45.180091] BUG: unable to handle page fault for address: ffffffff9f0d1590 [ 45.187777] #PF: supervisor write access in kernel mode [ 45.193613] #PF: error_code(0x0003) - permissions violation [ 45.199833] PGD 49e29067 P4D 49e29067 PUD 49e2a063 PMD 80000000498000e1 [ 45.207320] Oops: 0003 [#14] SMP PTI [ 45.211308] CPU: 2 PID: 1869 Comm: cat Tainted: G D W 5.10.167-cip26 #1 [ 45.219958] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 45.226763] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a [ 45.231723] Code: 00 48 c7 c7 60 33 4b 9f 48 c7 c6 90 15 0d 9f e8 66 98 fd ff 48 8b 05 c4 6b 79 00 ba 34 12 cd ab 48 c7 c7 90 33 4b 9f 48 31 d0 <48> 89 05 ae 6b 79 00 e9 44 98 fd ff 0f 1f 44 00 00 48 8b 05 3d 39 [ 45.252696] RSP: 0018:ffffb43782617e60 EFLAGS: 00010202 [ 45.258528] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 [ 45.266495] RDX: 00000000abcd1234 RSI: ffff9c1cbad1bf70 RDI: ffffffff9f4b3390 [ 45.274464] RBP: ffffffff9f4b257d R08: 0000000000000000 R09: 0000000000000000 [ 45.282432] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 [ 45.290400] R13: ffffb43782617f10 R14: ffffb43782617f10 R15: ffff9c1c43d59000 [ 45.298369] FS: 00007efc62ddd580(0000) GS:ffff9c1cbad00000(0000) knlGS:0000000000000000 [ 45.307404] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.313826] CR2: ffffffff9f0d1590 CR3: 0000000103102003 CR4: 00000000003706e0 [ 45.321794] Call Trace: [ 45.324521] direct_entry.cold+0x2c/0x38 [ 45.328898] full_proxy_write+0x53/0x80 [ 45.333180] vfs_write+0xe7/0x3a0 [ 45.336881] ksys_write+0x68/0xf0 [ 45.340579] do_syscall_64+0x30/0x40 [ 45.344568] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 45.350207] RIP: 0033:0x7efc62cf3833 [ 45.354195] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 45.375174] RSP: 002b:00007ffdedcbb9f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 45.383627] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007efc62cf3833 [ 45.391595] RDX: 0000000000000009 RSI: 00007efc62be6000 RDI: 0000000000000001 [ 45.399564] RBP: 00007efc62be6000 R08: 00007efc62be5010 R09: 0000000000000000 [ 45.407532] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 45.415500] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 45.423471] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify le page fault for address: ffff9c1c45584500 # [ 40.984528] #P[ 45.449923] CR2: ffffffff9f0d1590 [ 45.459832] ---[ end trace fe2f61b4f4498447 ]--- [ 45.464987] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 45.469363] Code: 89 ff e8 ce 62 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 40 3d 92 02 [ 45.490344] RSP: 0018:ffffb4378133fe60 EFLAGS: 00010282 [ 45.496177] RAX: ffffffff9e2e4910 RBX: 0000000000000001 RCX: 0000000000000000 [ 45.504146] RDX: 0000000000000000 RSI: ffff9c1cbad1bf70 RDI: ffffffff9f0d1110 [ 45.512114] RBP: ffffffff9f50db00 R08: 0000000000000001 R09: 0000000000000001 [ 45.520084] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 45.528053] R13: ffffb4378133ff10 R14: ffffb4378133ff10 R15: ffff9c1c43ce9000 [ 45.536022] FS: 00007efc62ddd580(0000) GS:ffff9c1cbad00000(0000) knlGS:0000000000000000 [ 45.545059] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.551472] CR2: ffffffff9f0d1590 CR3: 0000000103102003 CR4: 00000000003706e0 F: supervisor instruction fetch in kernel mode # [ 40.990846] #PF: error_code(0x0011) - permissions violation # [ 40.997056] PGD 4b601067 P4D 4b601067 PUD 10084b063 PMD 105158063 PTE 8000000105584063 # [ 41.005905] Oops: 0011 [#7] SMP PTI # [ 41.016007] CPU: 1 PID: 1620 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # [ 41.024644] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 41.031446] RIP: 0010:0xffff9c1c45584500 # [ 41.035828] Code: 00 00 02 00 00 00 00 00 00 00 40 45 58 45 1c 9c ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 bb 24 b0 9d ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 41.056803] RSP: 0018:ffffb4378222fe38 EFLAGS: 00010246 # [ 41.062633] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 41.070601] RDX: 0000000000000000 RSI: ffff9c1cbac9bf70 RDI: ffff9c1cbac9bf70 # [ 41.078566] RBP: ffff9c1c45584500 R08: 0000000000000000 R09: 0000000000000000 # [ 41.086533] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 41.094500] R13: ffffb4378222ff10 R14: ffffb4378222ff10 R15: ffff9c1c4278f000 # [ 41.102466] FS: 00007f8d2e70f580(0000) GS:ffff9c1cbac80000(0000) knlGS:0000000000000000 # [ 41.111502] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 41.117915] CR2: ffff9c1c45584500 CR3: 0000000103cf6006 CR4: 00000000003706e0 # [ 41.125886] Call Trace: # [ 41.128615] ? execute_location+0x45/0x56 # [ 41.133090] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 41.143968] ? direct_entry.cold+0x2c/0x38 # [ 41.148541] [ 45.711936] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT [ 45.721473] lkdtm: attempting bad ro_after_init write at ffffffff9f52e330 [ 45.729069] BUG: unable to handle page fault for address: ffffffff9f52e330 [ 45.736750] #PF: supervisor write access in kernel mode [ 45.742583] #PF: error_code(0x0003) - permissions violation [ 45.748821] PGD 49e29067 P4D 49e29067 PUD 49e2a063 PMD 1049e7063 PTE 8000000049d2e061 [ 45.757571] Oops: 0003 [#15] SMP PTI [ 45.761558] CPU: 3 PID: 1904 Comm: cat Tainted: G D W 5.10.167-cip26 #1 [ 45.770207] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 45.777015] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a [ 45.783043] Code: 33 4b 9f e9 18 98 fd ff 48 c7 c7 e8 33 4b 9f e8 0c 98 fd ff 48 8b 05 0a 39 bf 00 ba 34 12 cd ab 48 c7 c7 90 33 4b 9f 48 31 d0 <48> 89 05 f4 38 bf 00 e9 ea 97 fd ff 0f 1f 44 00 00 41 54 48 c7 c7 [ 45.804027] RSP: 0018:ffffb43782697e60 EFLAGS: 00010202 [ 45.809860] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 [ 45.817829] RDX: 00000000abcd1234 RSI: ffff9c1cbad9bf70 RDI: ffffffff9f4b3390 [ 45.825816] RBP: ffffffff9f4b2586 R08: 0000000000000000 R09: 0000000000000000 ? full_proxy_write+0x53/0x80 # [ 41.153016] ? vfs_write+0xe[ 45.833796] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 [ 45.847980] R13: ffffb43782697f10 R14: ffffb43782697f10 R15: ffff9c1c43251000 [ 45.855950] FS: 00007f9d83731580(0000) GS:ffff9c1cbad80000(0000) knlGS:0000000000000000 [ 45.864988] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.871404] CR2: ffffffff9f52e330 CR3: 0000000103b4c006 CR4: 00000000003706e0 [ 45.879372] Call Trace: [ 45.882098] direct_entry.cold+0x2c/0x38 [ 45.886477] full_proxy_write+0x53/0x80 [ 45.890756] vfs_write+0xe7/0x3a0 [ 45.894455] ksys_write+0x68/0xf0 [ 45.898153] do_syscall_64+0x30/0x40 [ 45.902141] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 45.907772] RIP: 0033:0x7f9d83647833 [ 45.911752] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 45.932735] RSP: 002b:00007ffe796339f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 45.941183] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f9d83647833 [ 45.949152] RDX: 0000000000000014 RSI: 00007f9d8353a000 RDI: 0000000000000001 [ 45.957121] RBP: 00007f9d8353a000 R08: 00007f9d83539010 R09: 0000000000000000 [ 45.965091] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 45.973061] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 45.981036] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 7/0x3a0 # [ 41.163115] ? ksys_write+0x68/0xf0 # [ 41.1670[ 46.007498] CR2: ffffffff9f52e330 [ 46.017409] ---[ end trace fe2f61b4f4498448 ]--- [ 46.022565] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 46.026941] Code: 89 ff e8 ce 62 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 40 3d 92 02 [ 46.047923] RSP: 0018:ffffb4378133fe60 EFLAGS: 00010282 [ 46.053755] RAX: ffffffff9e2e4910 RBX: 0000000000000001 RCX: 0000000000000000 [ 46.061724] RDX: 0000000000000000 RSI: ffff9c1cbad1bf70 RDI: ffffffff9f0d1110 [ 46.069693] RBP: ffffffff9f50db00 R08: 0000000000000001 R09: 0000000000000001 [ 46.077662] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 46.085631] R13: ffffb4378133ff10 R14: ffffb4378133ff10 R15: ffff9c1c43ce9000 [ 46.093600] FS: 00007f9d83731580(0000) GS:ffff9c1cbad80000(0000) knlGS:0000000000000000 [ 46.102638] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.109052] CR2: ffffffff9f52e330 CR3: 0000000103b4c006 CR4: 00000000003706e0 [ 46.117022] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 46.126933] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1904, name: cat [ 46.135388] INFO: lockdep is turned off. [ 46.139765] irq event stamp: 0 [ 46.143170] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 46.150168] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 46.159301] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 46.168435] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 46.175433] CPU: 3 PID: 1904 Comm: cat Tainted: G D W 5.10.167-cip26 #1 [ 46.184083] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 46.190885] Call Trace: [ 46.193612] dump_stack+0x77/0x9b [ 46.197302] ___might_sleep.cold+0xa6/0xb6 [ 46.201880] exit_signals+0x1c/0x2e0 [ 46.205880] do_exit+0xc2/0xaf0 [ 46.209383] ? ksys_write+0x68/0xf0 [ 46.213266] make_task_dead+0x2f/0x30 [ 46.217352] rewind_stack_and_make_dead+0x17/0x20 [ 46.222603] RIP: 0033:0x7f9d83647833 [ 46.226591] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 46.247574] RSP: 002b:00007ffe796339f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 46.256020] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f9d83647833 [ 46.263987] RDX: 0000000000000014 RSI: 00007f9d8353a000 RDI: 0000000000000001 [ 46.271956] RBP: 00007f9d8353a000 R08: 00007f9d83539010 R09: 0000000000000000 [ 46.279926] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 46.287896] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 07] ? do_syscall_64+0x30/0x40 # [ 41.171190] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 41.177026] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 41.209655] CR2: ffff9c1c45584500 # [ 41.213351] ---[ end trace fe2f61b4f4498440 ]--- # [ 41.218504] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 41.222883] Code: 89 ff e8 ce 62 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 40 3d 92 02 # [ 41.243879] RSP: 0018:ffffb4378133fe60 EFLAGS: 00010282 # [ 41.249712] RAX: ffffffff9e2e4910 RBX: 0000000000000001 RCX: 0000000000000000 # [ 41.257677] RDX: 0000000000000000 RSI: ffff9c1cbad1bf70 RDI: ffffffff9f0d1110 # [ 41.265646] RBP: ffffffff9f50db00 R08: 0000000000000001 R09: 0000000000000001 # [ 41.273613] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 41.281580] R13: ffffb4378133ff10 R14: ffffb4378133ff10 R15: ffff9c1c43ce9000 # [ 41.289547] FS: 00007f8d2e70f580(0000) GS:ffff9c1cbac80000(0000)[ 46.414157] lkdtm: Performing direct entry WRITE_KERN [ 46.425904] lkdtm: attempting bad 6642790 byte write at ffffffff9e93a946 knlGS:0000000000000000 # [ 41.298583] CS: 0010 DS: 0000 ES:[ 46.433411] BUG: unable to handle page fault for address: ffffffff9e93a946 [ 46.447292] #PF: supervisor write access in kernel mode 0000 CR0: 0000000080050033 # [ 41.304996] CR2: ffff9c1c45584[ 46.453127] #PF: error_code(0x0003) - permissions violation 50[0 CR3: 0000000103cf6006 CR4: 00000000003706e0 # [ 41.312965 46.465563] PGD 49e29067 P4D 49e29067 PUD 49e2a063 PMD 490000e1 [ 46.478490] Oops: 0003 [#16] SMP PTI [ 46.482482] CPU: 2 PID: 1939 Comm: cat Tainted: G D W 5.10.167-cip26 #1 [ 46.491131] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 46.497938] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e [ 46.503091] Code: 53 48 c7 c3 46 a9 93 9e 49 89 dc 48 89 da 49 81 ec e0 4c 2e 9e 4c 89 e6 e8 bf 97 fd ff 48 89 df 4c 89 e1 48 c7 c6 e0 4c 2e 9e a4 48 c7 c7 90 33 4b 9f e8 a4 97 fd ff 5b 41 5c e9 b7 fe ff ff [ 46.524076] RSP: 0018:ffffb4378272fe50 EFLAGS: 00010246 [ 46.529911] RAX: 000000000000003c RBX: ffffffff9e93a946 RCX: 0000000000655c66 [ 46.537881] RDX: 0000000000000000 RSI: ffffffff9e2e4ce0 RDI: ffffffff9e93a946 [ 46.545849] RBP: ffffffff9f4b259a R08: 0000000000000000 R09: 0000000000000000 [ 46.553826] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000655c66 [ 46.561797] R13: ffffb4378272ff10 R14: ffffb4378272ff10 R15: ffff9c1c432f8000 [ 46.569767] FS: 00007f8b46cbc580(0000) GS:ffff9c1cbad00000(0000) knlGS:0000000000000000 [ 46.578826] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.585241] CR2: ffffffff9e93a946 CR3: 000000010323e005 CR4: 00000000003706e0 [ 46.593209] Call Trace: [ 46.595938] direct_entry.cold+0x2c/0x38 [ 46.600317] full_proxy_write+0x53/0x80 [ 46.604598] vfs_write+0xe7/0x3a0 [ 46.608287] ksys_write+0x68/0xf0 [ 46.611985] do_syscall_64+0x30/0x40 [ 46.615966] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 46.621597] RIP: 0033:0x7f8b46bd2833 [ 46.625584] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 46.646568] RSP: 002b:00007ffea1edbf08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 46.655017] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f8b46bd2833 [ 46.662986] RDX: 000000000000000b RSI: 00007f8b46ac5000 RDI: 0000000000000001 [ 46.670956] RBP: 00007f8b46ac5000 R08: 00007f8b46ac4010 R09: 0000000000000000 [ 46.678925] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 46.686895] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 46.694882] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ] BUG: sleeping function called from invalid context at include/[ 46.721335] CR2: ffffffff9e93a946 [ 46.731244] ---[ end trace fe2f61b4f4498449 ]--- [ 46.736399] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 46.740774] Code: 89 ff e8 ce 62 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 40 3d 92 02 [ 46.761757] RSP: 0018:ffffb4378133fe60 EFLAGS: 00010282 [ 46.767591] RAX: ffffffff9e2e4910 RBX: 0000000000000001 RCX: 0000000000000000 [ 46.775560] RDX: 0000000000000000 RSI: ffff9c1cbad1bf70 RDI: ffffffff9f0d1110 [ 46.783530] RBP: ffffffff9f50db00 R08: 0000000000000001 R09: 0000000000000001 [ 46.791499] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 46.799469] R13: ffffb4378133ff10 R14: ffffb4378133ff10 R15: ffff9c1c43ce9000 [ 46.807439] FS: 00007f8b46cbc580(0000) GS:ffff9c1cbad00000(0000) knlGS:0000000000000000 [ 46.816477] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.822892] CR2: ffffffff9e93a946 CR3: 000000010323e005 CR4: 00000000003706e0 linux/percpu-rwsem.h:49 # [ 41.322878] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1620, name: cat # [ 41.331331] INFO: lockdep is turned off. # [ 41.335704] irq event stamp: 0 # [ 41.339108] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 41.346106] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 41.355238] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 41.364370] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 41.371367] CPU: 1 PID: 1620 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # [ 41.380003] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 41.386827] Call Trace: # [ 41.389556] dump_stack+0x77/0x9b # [ 41.393255] ___might_sleep.cold+0xa6/0xb6 # [ 41.404035] exit_signals+0x1c/0x2e0 # [ 41.408024] do_exit+0xc2/0xaf0 # [ 41.411525] ? ksys_write+0x68/0xf0 # [ 41.415417] make_task_dead+0x2f/0x30 # [ 41.419502] rewind_stack_and_make_dead+0x17/0x20 # [ 41.424752] RIP: 0033:0x7f8d2e625833 # [ 41.428740] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 f[ 46.939764] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW [ 46.949514] lkdtm: attempting good refcount_inc() without overflow [ 46.956454] lkdtm: attempting bad refcount_inc() overflow [ 46.962515] ------------[ cut here ]------------ [ 46.967671] refcount_t: saturated; leaking memory. [ 46.973052] WARNING: CPU: 3 PID: 1974 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 f ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8[ 46.982488] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 47.015127] CPU: 3 PID: 1974 Comm: cat Tainted: G D W 5.10.167-cip26 #1 [ 47.023819] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 8[ 47.030638] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 47.042685] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 86 ec 93 01 00 75 ee 48 c7 c7 30 dc 44 9f c6 05 76 ec 93 01 01 e8 81 f4 94 00 <0f> 0b c3 cc cc cc cc 80 3d 62 ec 93 01 00 75 cb 48 c7 c7 58 dc 44 [ 47.063670] RSP: 0018:ffffb437827a7e48 EFLAGS: 00010286 [ 47.069507] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 [ 47.077480] RDX: ffff9c1cbadac660 RSI: ffff9c1cbad9bf70 RDI: ffff9c1cbad9bf70 [ 47.085452] RBP: ffffffff9f4b25a5 R08: 0000000000000000 R09: 0000000000000000 3 ec 28 48 89 54 24 18 # [ 41.449707] RSP: 002b:00007ffeee998[ 47.093429] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 138 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 41.458161[ 47.107617] R13: ffffb437827a7f10 R14: ffffb437827a7f10 R15: ffff9c1c42752000 ] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f8d2e625[ 47.121807] FS: 00007f4b50d4e580(0000) GS:ffff9c1cbad80000(0000) knlGS:0000000000000000 [ 47.137065] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 833 # [ 41.466128] RDX: 000000000000000d RSI: 00007f8d2e51800[ 47.143517] CR2: 00007f4b50b57000 CR3: 0000000103b4c006 CR4: 00000000003706e0 [ 47.157723] Call Trace: 0 RDI: 0000000000000001 # [ 41.474087] RBP: 00007f8d2e518000 [ 47.160467] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 [ 47.172025] direct_entry.cold+0x2c/0x38 R08: 00007f8d2e517010 R09: 0000000000000000 # [ 41.482047] R1[ 47.176463] full_proxy_write+0x53/0x80 [ 47.186984] vfs_write+0xe7/0x3a0 0: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 47.190687] ksys_write+0x68/0xf0 [ 47.200597] do_syscall_64+0x30/0x40 [ 47.204590] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 47.210231] RIP: 0033:0x7f4b50c64833 [ 47.214223] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 47.235206] RSP: 002b:00007fff2ad28af8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 47.243664] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f4b50c64833 [ 47.251637] RDX: 0000000000000016 RSI: 00007f4b50b57000 RDI: 0000000000000001 [ 47.259607] RBP: 00007f4b50b57000 R08: 00007f4b50b56010 R09: 0000000000000000 [ 47.267579] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 47.275550] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 47.283527] irq event stamp: 0 [ 47.286965] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 47.293968] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 47.303105] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 47.312242] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 47.319243] ---[ end trace fe2f61b4f449844a ]--- [ 47.324399] lkdtm: Overflow detected: saturated # [ 41.490012] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_KMALLOC: saw 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # selftests: lkdtm: EXEC_VMALLOC.sh # Killed # [ 41.604432] lkdtm: Performing direct entry EXEC_VMALLOC # [ 41.615714] lkdtm: attempting ok execution at ffffffff9e2e4ce0 # [ 41.628420] lkdtm: attempting bad execution at ffffb43780379000 # [ 41.641248] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 41.655812] BUG: unable to handle page fault for address: ffffb43780379000 # [ 41.663491] #PF: supervisor instruction fetch in kernel mode # [ 41.669809] #PF: error_code(0x0011) - permissions violation # [ 41.676031] PGD 100000067 P4D 100000067 PUD 100210067 PMD 100943067 PTE 8000000102753063 # [ 41.691284] Oops: 0011 [#8] SMP PTI # [ 41.695174] CPU: 1 PID: 1656 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # [ 41.703830] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 41.710635] RIP: 0010:0xffffb43780379000 # [ 41.715010] Code: Una[ 47.429419] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW ble to access opcode bytes at RIP 0xffffb43780378fd6. # [ 41.[ 47.441876] lkdtm: attempting good refcount_add() without overflow 722685] RSP: 0018:ffffb437822bfe38 EFLAGS: 00010246 # [ 41.72[ 47.455024] lkdtm: attempting bad refcount_add() overflow 8516] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 000000000[ 47.467244] ------------[ cut here ]------------ [ 47.478617] refcount_t: saturated; leaking memory. 0000000 # [ 41.736484] RDX: 0000000000000000 RSI: ffff9c1cbac[ 47.484000] WARNING: CPU: 1 PID: 2006 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 9bf70 RDI: ffff9c1cbac9bf70 # [ 41.744451] RBP: ffffb43780379[ 47.499619] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 000 R08: 0000000000000000 R09: 0000000000000000 # [ 41.752419[ 47.532262] CPU: 1 PID: 2006 Comm: cat Tainted: G D W 5.10.167-cip26 #1 ] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000[ 47.547133] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 00d # [ 41.760385] R13: ffffb437822bff10 R14: ffffb437822bff1[ 47.560161] RIP: 0010:refcount_warn_saturate+0x51/0x110 0 R15: ffff9c1c42753000 # [ 41.768353] FS: 00007f5c60648580([ 47.572214] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 86 ec 93 01 00 75 ee 48 c7 c7 30 dc 44 9f c6 05 76 ec 93 01 01 e8 81 f4 94 00 <0f> 0b c3 cc cc cc cc 80 3d 62 ec 93 01 00 75 cb 48 c7 c7 58 dc 44 0000) GS:ffff9c1cbac80000(0000) knlGS:0000000000000000 # [ 41[ 47.599423] RSP: 0018:ffffb4378283fe48 EFLAGS: 00010286 .777388] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ [ 47.611478] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 41.783820] CR2: ffffb43780378fd6 CR3: 0000000103cd8003 CR4: 00[ 47.625669] RDX: ffff9c1cbacac660 RSI: ffff9c1cbac9bf70 RDI: ffff9c1cbac9bf70 000000003706e0 # [ 41.791791] Call Trace: # [ 41.794519] [ 47.639906] RBP: ffffffff9f4b25bb R08: 0000000000000000 R09: 0000000000000000 ? execute_location+0x45/0x56 # [ 41.798995] ? lkdtm_EXEC_VMA[ 47.654094] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 LLOC+0x20/0x30 # [ 41.809880] ? direct_entry.cold+0x2c/0x38 [ 47.668285] R13: ffffb4378283ff10 R14: ffffb4378283ff10 R15: ffff9c1c440c5000 # [ 41.814451] ? full_proxy_write+0x53/0x80 # [ 41.818926[ 47.682477] FS: 00007fa8e50d5580(0000) GS:ffff9c1cbac80000(0000) knlGS:0000000000000000 ] ? vfs_write+0xe7/0x3a0 # [ 41.822827] ? ksys_write+0x68/0[ 47.697737] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 xf0 # [ 41.826718] ? do_syscall_64+0x30/0x40 # [ 41.83089[ 47.710373] CR2: 00007fa8e4ede000 CR3: 0000000103d48005 CR4: 00000000003706e0 0] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 41.836725][ 47.724563] Call Trace: Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_senso[ 47.733513] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 rs_core industrialio_triggered_buffer kfifo_buf industrialio cro[ 47.745082] direct_entry.cold+0x2c/0x38 s_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros[ 47.755683] full_proxy_write+0x53/0x80 _ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify[ 47.766200] vfs_write+0xe7/0x3a0 # [ 41.869357] CR2: ffffb43780379000 # [ 41.873052] ---[ [ 47.776099] ksys_write+0x68/0xf0 end trace fe2f61b4f4498441 ]--- # [ 41.878203] RIP: 0010:lkdt[ 47.786015] do_syscall_64+0x30/0x40 m_BUG+0x5/0x10 # [ 41.882579] Code: 89 ff e8 ce 62 a3 ff 48 c[ 47.796252] entry_SYSCALL_64_after_hwframe+0x61/0xc6 7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7[ 47.808111] RIP: 0033:0x7fa8e4feb833 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 0[ 47.818289] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 0 00 00 0f 1f 44 00 00 83 05 40 3d 92 02 # [ 41.903556] RSP: [ 47.845493] RSP: 002b:00007fffe8b2abb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 47.860168] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fa8e4feb833 0018:ffffb4378133fe60 EFLAGS: 00010282 # [ 41.909387] RAX: ff[ 47.868144] RDX: 0000000000000016 RSI: 00007fa8e4ede000 RDI: 0000000000000001 [ 47.882327] RBP: 00007fa8e4ede000 R08: 00007fa8e4edd010 R09: 0000000000000000 ffffff9e2e4910 RBX: 0000000000000001 RCX: 0000000000000000 # [ [ 47.890304] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 47.904486] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 41.917353] RDX: 0000000000000000 RSI: ffff9c1cbad1bf70 RDI: ff[ 47.912482] irq event stamp: 0 [ 47.922079] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ffffff9f0d1110 # [ 41.925319] RBP: ffffffff9f50db00 R08: 0000[ 47.929084] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 47.944430] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 000000000001 R09: 0000000000000001 # [ 41.933285] R10: 000000[ 47.953570] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 47.966781] ---[ end trace fe2f61b4f449844b ]--- 00ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 41[ 47.971940] lkdtm: Overflow detected: saturated .941252] R13: ffffb4378133ff10 R14: ffffb4378133ff10 R15: ffff9c1c43ce9000 # [ 41.949219] FS: 00007f5c60648580(0000) GS:ffff9c1cbac80000(0000) knlGS:0000000000000000 # [ 41.958254] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 41.964667] CR2: ffffb43780378fd6 CR3: 0000000103cd8003 CR4: 00000000003706e0 # EXEC_VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh # Killed # [ 42.098761] lkdtm: Performing direct entry EXEC_RODATA # [ 42.108904] lkdtm: attempting ok execution at ffffffff9e2e4ce0 # [ 42.115451] lkdtm: attempting bad execution at ffffffff9f0d15a0 # [ 42.122085] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 42.136638] BUG: unable to handle page fault for address: ffffffff9f0d15a0 # [ 42.144314] #PF: supervisor instruction fetch in kernel mode # [ 42.150631] #PF: error_code(0x0011) - permissions violation # [ 42.156851] PGD 49e29067 P4D 49e29067 PUD 49e2a063 PMD 80000000498000e1 # [ 42.164356] Oops: 0011 [#9] SMP PTI # [ 42.168247] CPU: 2 PID: 1692 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # [ 42.176895] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 42.183700] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 42.189435] Code: ff ff 3b bf 93 9e ff ff f[ 48.109045] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW f ff 62 27 4b 9f ff ff ff ff 81 a6 93 9e ff ff ff ff 55 aa 55 aa[ 48.121374] lkdtm: attempting bad refcount_inc_not_zero() overflow 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0[ 48.134517] ------------[ cut here ]------------ 0 00 00 00 00 00 00 00 54 68 69 73 20 69 # [ 42.210413] RSP: [ 48.145876] refcount_t: saturated; leaking memory. 0018:ffffb4378234fe48 EFLAGS: 00010246 # [ 42.216245] RAX: 00[ 48.157468] WARNING: CPU: 0 PID: 2038 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 00000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ [ 48.173151] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 42.224211] RDX: 0000000000000000 RSI: ffff9c1cbad1bf70 RDI: ff[ 48.205778] CPU: 0 PID: 2038 Comm: cat Tainted: G D W 5.10.167-cip26 #1 ff9c1cbad1bf70 # [ 42.232176] RBP: ffffffff9f0d15a0 R08: 0000[ 48.220729] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 000000000000 R09: 0000000000000000 # [ 42.240143] R10: 000000[ 48.233760] RIP: 0010:refcount_warn_saturate+0x97/0x110 00ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 42[ 48.245826] Code: 01 01 e8 5e f4 94 00 0f 0b c3 cc cc cc cc 80 3d 41 ec 93 01 00 75 a8 48 c7 c7 30 dc 44 9f c6 05 31 ec 93 01 01 e8 3b f4 94 00 <0f> 0b c3 cc cc cc cc 80 3d 1b ec 93 01 00 75 85 48 c7 c7 88 dc 44 .248110] R13: ffffb4378234ff10 R14: ffffb4378234ff10 R15: ffff9c[ 48.273000] RSP: 0018:ffffb4378280fe38 EFLAGS: 00010282 1c41228000 # [ 42.256078] FS: 00007f15f9cc6580(0000) GS:ffff[ 48.285055] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 9c1cbad00000(0000) knlGS:0000000000000000 # [ 42.265103] CS: [ 48.299226] RDX: ffff9c1cbac2c660 RSI: ffff9c1cbac1bf70 RDI: ffff9c1cbac1bf70 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 42.271515] [ 48.313439] RBP: ffffffff9f4b21f8 R08: 0000000000000000 R09: 0000000000000000 CR2: ffffffff9f0d15a0 CR3: 0000000103cde005 CR4: 00000000003706e[ 48.327606] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f 0 # [ 42.279482] Call Trace: # [ 42.282209] ? execute_loc[ 48.341827] R13: ffffb4378280ff10 R14: ffffb4378280ff10 R15: ffff9c1c428f1000 ation+0x45/0x56 # [ 42.286681] ? direct_entry.cold+0x2c/0x38[ 48.355985] FS: 00007f8037bae580(0000) GS:ffff9c1cbac00000(0000) knlGS:0000000000000000 # [ 42.291253] ? full_proxy_write+0x53/0x80 # [ 42.29572[ 48.371251] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 8] ? vfs_write+0xe7/0x3a0 # [ 42.299619] ? ksys_write+0x68/[ 48.383875] CR2: 00007f80379b7000 CR3: 000000010619e006 CR4: 00000000003706f0 0xf0 # [ 42.303511] ? do_syscall_64+0x30/0x40 # [ 42.3076[ 48.398075] Call Trace: 94] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 42.313530[ 48.407009] __refcount_add_not_zero.constprop.0+0x2a/0x35 ] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sens[ 48.419368] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 ors_core industrialio_triggered_buffer kfifo_buf industrialio cr[ 48.431790] direct_entry.cold+0x2c/0x38 os_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cro[ 48.442388] full_proxy_write+0x53/0x80 s_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notif[ 48.452923] vfs_write+0xe7/0x3a0 y # [ 42.339985] CR2: ffffffff9f0d15a0 # [ 42.349894] ---[[ 48.462824] ksys_write+0x68/0xf0 end trace fe2f61b4f4498442 ]--- # [ 42.355049] RIP: 0010:lkd[ 48.472740] do_syscall_64+0x30/0x40 tm_BUG+0x5/0x10 # [ 42.359424] Code: 89 ff e8 ce 62 a3 ff 48 [ 48.482938] entry_SYSCALL_64_after_hwframe+0x61/0xc6 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c[ 48.494838] RIP: 0033:0x7f8037ac4833 7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 [ 48.505014] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 00 00 00 0f 1f 44 00 00 83 05 40 3d 92 02 # [ 42.380404] RSP:[ 48.532216] RSP: 002b:00007ffc619eb5f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 0018:ffffb4378133fe60 EFLAGS: 00010282 # [ 42.386235] RAX: f[ 48.546889] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f8037ac4833 fffffff9e2e4910 RBX: 0000000000000001 RCX: 0000000000000000 # [[ 48.561069] RDX: 000000000000001f RSI: 00007f80379b7000 RDI: 0000000000000001 42.394202] RDX: 0000000000000000 RSI: ffff9c1cbad1bf70 RDI: f[ 48.575254] RBP: 00007f80379b7000 R08: 00007f80379b6010 R09: 0000000000000000 fffffff9f0d1110 # [ 42.402168] RBP: ffffffff9f50db00 R08: 000[ 48.589447] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 0000000000001 R09: 0000000000000001 # [ 42.410136] R10: 00000[ 48.603669] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 4[ 48.617846] irq event stamp: 0 2.418105] R13: ffffb4378133ff10 R14: ffffb4378133ff10 R15: ffff9[ 48.627495] hardirqs last enabled at (0): [<0000000000000000>] 0x0 c1c43ce9000 # [ 42.426073] FS: 00007f15f9cc6580(0000) GS:fff[ 48.640737] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 f9c1cbad00000(0000) knlGS:0000000000000000 # [ 42.435099] CS:[ 48.656092] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 42.441513][ 48.671460] softirqs last disabled at (0): [<0000000000000000>] 0x0 CR2: ffffffff9f0d15a0 CR3: 0000000103cde005 CR4: 00000000003706[ 48.684695] ---[ end trace fe2f61b4f449844c ]--- e0 # EXEC_RODATA: saw 'call trace:': ok ok 34 selftests: lkdtm[ 48.696072] lkdtm: Overflow detected: saturated : EXEC_RODATA.sh # selftests: lkdtm: EXEC_USERSPACE.sh # Killed # [ 42.627842] lkdtm: Performing direct entry EXEC_USERSPACE # [ 42.635833] lkdtm: attempting ok execution at ffffffff9e2e4ce0 # [ 42.642383] lkdtm: attempting bad execution at 00007f35f18e6000 # [ 42.649021] unable to execute userspace code (SMEP?) (uid: 0) # [ 42.655447] BUG: unable to handle page fault for address: 00007f35f18e6000 # [ 42.663126] #PF: supervisor instruction fetch in kernel mode # [ 42.675654] #PF: error_code(0x0011) - permissions violation # [ 42.681879] PGD 8000000103be4067 P4D 8000000103be4067 PUD 103b25067 PMD 103074067 PTE 10e9b4067 # [ 42.691599] Oops: 0011 [#10] SMP PTI # [ 42.695586] CPU: 2 PID: 1728 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # [ 42.704235] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 42.711040] RIP: 0010:0x7f35f18e6000 # [ 42.715025] Code: Unable to access opcode bytes at RIP 0x7f35f18e5fd6. # [ 42.722313] RSP: 0018:ffffb437823d7e50 EFLAGS: 00010246 # [ 42.728145] RAX: 0000000000000033 RBX: 00[ 48.812359] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW [ 48.820583] lkdtm: attempting bad refcount_add_not_zero() overflow [ 48.827498] ------------[ cut here ]------------ [ 48.832688] refcount_t: saturated; leaking memory. [ 48.838103] WARNING: CPU: 3 PID: 2070 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 00000000000024 RCX: 0000000000000000 # [ 42.736113] RDX: 0000[ 48.847540] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 48.880178] CPU: 3 PID: 2070 Comm: cat Tainted: G D W 5.10.167-cip26 #1 000000000000 RSI: ffff9c1cbad1bf70 RDI: ffff9c1cbad1bf70 # [ [ 48.888862] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 42.744080] RBP: 00007f35f18e6000 R08: 0000000000000000 R09: 0000[ 48.901883] RIP: 0010:refcount_warn_saturate+0x97/0x110 000000000000 # [ 42.752049] R10: 00000000ffffe000 R11: 3fffff[ 48.913935] Code: 01 01 e8 5e f4 94 00 0f 0b c3 cc cc cc cc 80 3d 41 ec 93 01 00 75 a8 48 c7 c7 30 dc 44 9f c6 05 31 ec 93 01 01 e8 3b f4 94 00 <0f> 0b c3 cc cc cc cc 80 3d 1b ec 93 01 00 75 85 48 c7 c7 88 dc 44 [ 48.941139] RSP: 0018:ffffb43782917e38 EFLAGS: 00010282 [ 48.947009] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 48.954984] RDX: ffff9c1cbadac660 RSI: ffff9c1cbad9bf70 RDI: ffff9c1cbad9bf70 [ 48.962980] RBP: ffffffff9f4b2218 R08: 0000000000000000 R09: 0000000000000000 ffffffffff R12: 000000000000000f # [ 42.760017] R13: ffffb437[ 48.970970] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 48.985146] R13: ffffb43782917f10 R14: ffffb43782917f10 R15: ffff9c1c453ad000 [ 48.993121] FS: 00007f7f80c98580(0000) GS:ffff9c1cbad80000(0000) knlGS:0000000000000000 [ 49.002162] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.008582] CR2: 00007f7f80aa1000 CR3: 0000000103bc2003 CR4: 00000000003706e0 [ 49.016556] Call Trace: [ 49.019292] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 49.025453] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 [ 49.031710] direct_entry.cold+0x2c/0x38 [ 49.036124] full_proxy_write+0x53/0x80 [ 49.040441] vfs_write+0xe7/0x3a0 [ 49.044173] ksys_write+0x68/0xf0 [ 49.047887] do_syscall_64+0x30/0x40 [ 49.051911] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 49.057556] RIP: 0033:0x7f7f80bae833 [ 49.061579] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 49.082568] RSP: 002b:00007fff9bd70618 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.091049] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f7f80bae833 [ 49.099023] RDX: 000000000000001f RSI: 00007f7f80aa1000 RDI: 0000000000000001 [ 49.106997] RBP: 00007f7f80aa1000 R08: 00007f7f80aa0010 R09: 0000000000000000 [ 49.114971] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 49.122945] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 49.130926] irq event stamp: 0 823d7f10 R14: ffffb437823d7f10 R15: ffff9c1c4576f000 # [ 42.7[ 49.134363] hardirqs last enabled at (0): [<0000000000000000>] 0x0 67985] FS: 00007f35f18b7580(0000) GS:ffff9c1cbad00000(0000) knl[ 49.147580] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 GS:0000000000000000 # [ 42.777021] CS: 0010 DS: 0000 ES: 000[ 49.162934] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 0 CR0: 0000000080050033 # [ 42.783434] CR2: 00007f35f18e6000 [ 49.178292] softirqs last disabled at (0): [<0000000000000000>] 0x0 CR3: 0000000103e2c006 CR4: 00000000003706e0 # [ 42.791401] Ca[ 49.191513] ---[ end trace fe2f61b4f449844d ]--- ll Trace: # [ 42.794130] ? lkdtm_EXEC_USERSPACE.cold+0x66/0x[ 49.202889] lkdtm: Overflow detected: saturated ae # [ 42.799477] ? direct_entry.cold+0x2c/0x38 # [ 42.804050] ? full_proxy_write+0x53/0x80 # [ 42.808525] ? vfs_write+0xe7/0x3a0 # [ 42.812414] ? ksys_write+0x68/0xf0 # [ 42.816305] ? do_syscall_64+0x30/0x40 # [ 42.820478] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 42.826304] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 42.852761] CR2: 00007f35f18e6000 # [ 42.862669] ---[ end trace fe2f61b4f4498443 ]--- # [ 42.867828] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 42.872204] Code: 89 ff e8 ce 62 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 40 3d 92 02 # [ 42.893177] RSP: 0018:ffffb4378133fe60 EFLAGS: 00010282 # [ 42.899011] RAX: ffffffff9e2e4910 RBX: 0000000000000001 RCX: 0000000000000000 # [ 42.906978] RDX: 0000000000000000 RSI: ffff9c1cbad1bf70 RDI: ffffffff9f0d1110 # [ 42.914947] RBP: ffffffff9f50db00 R08: 0000000000000001 R09: 0000000000000001 # [ 42.922915] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 42.930884] R13: ffffb4378133ff10 R14: ffffb4378133ff10 R15: ffff9c1c43ce9000 # [ 42.938853] FS: 00007f35f18b7580(0000) GS:ffff9c1cbad00000(0000) knlGS:0000000000000000 # [ 42.947890] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 42.954305] CR2: 00007f35f18e6000 CR3: 0000000103e2c006 CR4: 00000000003706[ 49.370639] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO [ 49.380863] lkdtm: attempting good refcount_dec() e0 # [ 42.962274] BUG: sleeping function called from invalid [ 49.386145] lkdtm: attempting bad refcount_dec() to zero [ 49.398292] ------------[ cut here ]------------ [ 49.403461] refcount_t: decrement hit 0; leaking memory. [ 49.409419] WARNING: CPU: 3 PID: 2102 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 context at include/linux/percpu-rwsem.h:49 # [ 42.972186] in_[ 49.418854] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 49.451501] CPU: 3 PID: 2102 Comm: cat Tainted: G D W 5.10.167-cip26 #1 [ 49.460173] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 49.466980] RIP: 0010:refcount_warn_saturate+0xfb/0x110 atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1728, name: [ 49.472830] Code: e0 dc 44 9f c6 05 e2 eb 93 01 01 e8 f1 f3 94 00 0f 0b c3 cc cc cc cc 48 c7 c7 b0 dc 44 9f c6 05 c9 eb 93 01 01 e8 d7 f3 94 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 49.500028] RSP: 0018:ffffb4378297fe48 EFLAGS: 00010286 [ 49.505889] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 [ 49.513863] RDX: ffff9c1cbadac660 RSI: ffff9c1cbad9bf70 RDI: ffff9c1cbad9bf70 [ 49.521839] RBP: ffffffff9f4b25d1 R08: 0000000000000000 R09: 0000000000000000 cat # [ 42.980641] INFO: lockdep is turned off. # [ 42.985[ 49.529832] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 49.544020] R13: ffffb4378297ff10 R14: ffffb4378297ff10 R15: ffff9c1c4528e000 [ 49.551995] FS: 00007fb73614a580(0000) GS:ffff9c1cbad80000(0000) knlGS:0000000000000000 [ 49.561036] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.567456] CR2: 00007fb735f53000 CR3: 00000001030b0004 CR4: 00000000003706e0 [ 49.575428] Call Trace: [ 49.578177] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd 015] irq event stamp: 0 # [ 42.988421] hardirqs last enabled[ 49.583150] direct_entry.cold+0x2c/0x38 [ 49.593744] full_proxy_write+0x53/0x80 at (0): [<0000000000000000>] 0x0 # [ 42.995421] hardirqs las[ 49.598054] vfs_write+0xe7/0x3a0 [ 49.607965] ksys_write+0x68/0xf0 [ 49.611693] do_syscall_64+0x30/0x40 [ 49.615717] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 49.621385] RIP: 0033:0x7fb736060833 [ 49.625376] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 49.646364] RSP: 002b:00007fff890d9d48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 t disabled at (0): [] copy_process+0x664/0x1cb[ 49.654852] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fb736060833 0 # [ 43.004556] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 43.013690] softirqs las[ 49.710597] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 49.723837] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 t disabled at (0): [<0000000000000000>] 0x0 # [ 43.020688] CP[ 49.732983] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 49.748327] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 49.755327] ---[ end trace fe2f61b4f449844e ]--- [ 49.760482] lkdtm: Zero detected: saturated U: 2 PID: 1728 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # [ 43.029337] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 43.036141] Call Trace: # [ 43.038887] dump_stack+0x77/0x9b # [ 43.042585] ___might_sleep.cold+0xa6/0xb6 # [ 43.047155] exit_signals+0x1c/0x2e0 # [ 43.051134] do_exit+0xc2/0xaf0 # [ 43.054638] ? ksys_write+0x68/0xf0 # [ 43.058530] make_task_dead+0x2f/0x30 # [ 43.062606] rewind_stack_and_make_dead+0x17/0x20 # [ 43.067857] RIP: 0033:0x7f35f17cd833 # [ 43.071845] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 43.092829] RSP: 002b:00007ffe4baca338 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 43.101285] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007f35f17cd833 # [ 43.109254] RDX: 000000000000000f RSI: 00007f35f16c0000 RDI: 0000000000000001 # [ 43.117225] RBP: 00007f35f16c0000 R08: 00007f35f16bf010 R09: 0000000000000000 # [ 43.125195] R10: fffffffffffffbc5 R11: 0000000000000246 R12[ 49.875705] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE : 0000000000000001 # [ 43.133164] R13: 0000000000000001 R14: [ 49.883812] lkdtm: attempting bad refcount_dec() below zero 0000000000020000 R15: 0000000000020000 # EXEC_USERSPACE: saw 'c[ 49.896267] ------------[ cut here ]------------ all trace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # se[ 49.907621] refcount_t: decrement hit 0; leaking memory. lftests: lkdtm: EXEC_NULL.sh # Killed # [ 43.308573] lkdtm: [ 49.919780] WARNING: CPU: 1 PID: 2137 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 Performing direct entry EXEC_NULL # [ 43.314566] lkdtm: attem[ 49.935412] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify pting ok execution at ffffffff9e2e4ce0 # [ 43.321120] lkdtm: [ 49.968053] CPU: 1 PID: 2137 Comm: cat Tainted: G D W 5.10.167-cip26 #1 attempting bad execution at 0000000000000000 # [ 43.327772] B[ 49.982924] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 UG: kernel NULL pointer dereference, address: 0000000000000000 [ 49.995947] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 43.335562] #PF: supervisor instruction fetch in kernel mod[ 50.007999] Code: e0 dc 44 9f c6 05 e2 eb 93 01 01 e8 f1 f3 94 00 0f 0b c3 cc cc cc cc 48 c7 c7 b0 dc 44 9f c6 05 c9 eb 93 01 01 e8 d7 f3 94 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b e # [ 43.341883] #PF: error_code(0x0010) - not-present page [ 50.035208] RSP: 0018:ffffb43782a07e48 EFLAGS: 00010286 # [ 43.353832] PGD 0 P4D 0 # [ 43.356659] Oops: 0010 [#11][ 50.047262] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 SMP PTI # [ 43.366875] CPU: 3 PID: 1764 Comm: cat Tainted: G[ 50.061456] RDX: ffff9c1cbacac660 RSI: ffff9c1cbac9bf70 RDI: ffff9c1cbac9bf70 D W 5.10.167-cip26 #1 # [ 43.375555] Hardware n[ 50.075652] RBP: ffffffff9f4b25e3 R08: 0000000000000000 R09: 0000000000000000 ame: Google Rammus/Rammus, BIOS 09/04/2020 # [ 43.382360] RI[ 50.089839] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 P: 0010:0x0 # [ 43.385281] Code: Unable to access opcode byte[ 50.104030] R13: ffffb43782a07f10 R14: ffffb43782a07f10 R15: ffff9c1c4274f000 s at RIP 0xffffffffffffffd6. # [ 43.392960] RSP: 0018:ffffb43[ 50.118223] FS: 00007fdd63adf580(0000) GS:ffff9c1cbac80000(0000) knlGS:0000000000000000 782467e48 EFLAGS: 00010246 # [ 43.398793] RAX: 00000000000000[ 50.133482] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 33 RBX: 0000000000000000 RCX: 0000000000000000 # [ 43.406763][ 50.146123] CR2: 00007fdd638e8000 CR3: 000000010277a002 CR4: 00000000003706e0 RDX: 0000000000000000 RSI: ffff9c1cbad9bf70 RDI: ffff9c1cbad9bf[ 50.160312] Call Trace: 70 # [ 43.414734] RBP: 0000000000000000 R08: 0000000000000000[ 50.169264] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 R09: 0000000000000000 # [ 43.422703] R10: 00000000ffffe000 R[ 50.180833] direct_entry.cold+0x2c/0x38 11: 3fffffffffffffff R12: 000000000000000a # [ 43.430671] R13[ 50.191432] full_proxy_write+0x53/0x80 : ffffb43782467f10 R14: ffffb43782467f10 R15: ffff9c1c430a9000 [ 50.201933] vfs_write+0xe7/0x3a0 # [ 43.438639] FS: 00007f61ec51a580(0000) GS:ffff9c1cbad80000[ 50.211852] ksys_write+0x68/0xf0 (0000) knlGS:0000000000000000 # [ 43.447677] CS: 0010 DS: 00[ 50.221769] do_syscall_64+0x30/0x40 00 ES: 0000 CR0: 0000000080050033 # [ 43.454091] CR2: fffffff[ 50.231983] entry_SYSCALL_64_after_hwframe+0x61/0xc6 fffffffd6 CR3: 00000001040d8005 CR4: 00000000003706e0 # [ 43.[ 50.243844] RIP: 0033:0x7fdd639f5833 462059] Call Trace: # [ 43.464787] execute_location+0x45/0x5[ 50.254053] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 6 # [ 43.469068] direct_entry.cold+0x2c/0x38 # [ 43.47344[ 50.281264] RSP: 002b:00007ffe7a470658 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 5] full_proxy_write+0x53/0x80 # [ 43.477717] vfs_write+0xe7[ 50.295938] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fdd639f5833 /0x3a0 # [ 43.481415] ksys_write+0x68/0xf0 # [ 43.485103][ 50.310133] RDX: 0000000000000016 RSI: 00007fdd638e8000 RDI: 0000000000000001 do_syscall_64+0x30/0x40 # [ 43.489091] entry_SYSCALL_64_af[ 50.324320] RBP: 00007fdd638e8000 R08: 00007fdd638e7010 R09: 0000000000000000 ter_hwframe+0x61/0xc6 # [ 43.494729] RIP: 0033:0x7f61ec430833[ 50.338511] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 43.498718] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 [ 50.352710] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 1[ 50.366903] irq event stamp: 0 4 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 [ 50.376521] hardirqs last enabled at (0): [<0000000000000000>] 0x0 48 83 ec 28 48 89 54 24 18 # [ 43.519692] RSP: 002b:00007ffe6[ 50.389741] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 5fb2498 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 43.52[ 50.405096] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 8147] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f61e[ 50.420451] softirqs last disabled at (0): [<0000000000000000>] 0x0 c430833 # [ 43.536117] RDX: 000000000000000a RSI: 00007f61ec3[ 50.433670] ---[ end trace fe2f61b4f449844f ]--- 23000 RDI: 0000000000000001 # [ 43.544087] RBP: 00007f61ec323[ 50.445044] lkdtm: Negative detected: saturated 000 R08: 00007f61ec322010 R09: 0000000000000000 # [ 43.552056] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 43.560025] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 43.567997] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 43.594455] CR2: 0000000000000000 # [ 43.604366] ---[ end trace fe2f61b4f4498444 ]--- # [ 43.609520] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 43.613897] Code: 89 ff e8 ce 62 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 40 3d 92 02 # [ 43.634881] RSP: 0018:ffffb4378133fe60 EFLAGS: 00010282 # [ 43.640711] RAX: ffffffff9e2e4910 RBX: 0000000000000001 RCX: 0000000000000000 # [ 43.648679] RDX: 0000000000000000 RSI: ffff9c1cbad1bf70 RDI: ffffffff9f0d1110 # [ 43.656646] RBP: ffffffff9f50db00 R08: 0000000000000001 R09: 0000000000000001 # [ 43.664614] R10: 00000000ffffe000 R11: 3ffffff[ 50.570660] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE fffffffff R12: 0000000000000004 # [ 43.672583] R13: ffffb4378[ 50.582024] lkdtm: attempting bad refcount_dec_and_test() below zero 133ff10 R14: ffffb4378133ff10 R15: ffff9c1c43ce9000 # [ 43.68[ 50.595352] ------------[ cut here ]------------ 0553] FS: 00007f61ec51a580(0000) GS:ffff9c1cbad80000(0000) knlG[ 50.606717] refcount_t: underflow; use-after-free. S:0000000000000000 # [ 43.689590] CS: 0010 DS: 0000 ES: 0000[ 50.618308] WARNING: CPU: 1 PID: 2172 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 CR0: 0000000080050033 # [ 43.696005] CR2: ffffffffffffffd6 C[ 50.633921] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify R3: 00000001040d8005 CR4: 00000000003706e0 # EXEC_NULL: saw 'ca[ 50.666585] CPU: 1 PID: 2172 Comm: cat Tainted: G D W 5.10.167-cip26 #1 ll trace:': ok ok 36 selftests: lkdtm: EXEC_NULL.sh # selftest[ 50.681432] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 s: lkdtm: ACCESS_USERSPACE.sh # Killed # [ 43.842070] lkdtm:[ 50.694453] RIP: 0010:refcount_warn_saturate+0xba/0x110 Performing direct entry ACCESS_USERSPACE # [ 43.853225] lkdt[ 50.706504] Code: 01 01 e8 3b f4 94 00 0f 0b c3 cc cc cc cc 80 3d 1b ec 93 01 00 75 85 48 c7 c7 88 dc 44 9f c6 05 0b ec 93 01 01 e8 18 f4 94 00 <0f> 0b c3 cc cc cc cc 80 3d f6 eb 93 01 00 0f 85 5e ff ff ff 48 c7 m: attempting bad read at 00007fa188801000 # [ 43.865557] BUG[ 50.733704] RSP: 0018:ffffb43782a67e40 EFLAGS: 00010286 [ 50.745758] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 : unable to handle page fault for address: 00007fa188801000 # [[ 50.753733] RDX: ffff9c1cbacac660 RSI: ffff9c1cbac9bf70 RDI: ffff9c1cbac9bf70 [ 50.767916] RBP: ffffffff9f4b2238 R08: 0000000000000000 R09: 0000000000000000 43.879438] #PF: supervisor read access in kernel mode # [ [ 50.775892] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 50.790075] R13: ffffb43782a67f10 R14: ffffb43782a67f10 R15: ffff9c1c45769000 43.885174] #PF: error_code(0x0001) - permissions violation # [ [ 50.798050] FS: 00007f02ad8e6580(0000) GS:ffff9c1cbac80000(0000) knlGS:0000000000000000 [ 50.813298] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 43.891394] PGD 8000000103bcf067 P4D 8000000103bcf067 PUD 10306[ 50.819717] CR2: 00007f02ad6ef000 CR3: 0000000102646003 CR4: 00000000003706e0 [ 50.833901] Call Trace: 5067 PMD 104161067 PTE 10b202067 # [ 43.901114] Oops: 0001 [#[ 50.836634] __refcount_sub_and_test.constprop.0+0x3c/0x50 12] SMP PTI # [ 43.911313] CPU: 1 PID: 1799 Comm: cat Tainted[ 50.848971] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 : G D W 5.10.167-cip26 #1 # [ 43.919959] Hardwar[ 50.861414] direct_entry.cold+0x2c/0x38 e name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 43.926766][ 50.872011] full_proxy_write+0x53/0x80 RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 43.93299[ 50.882514] vfs_write+0xe7/0x3a0 0] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 4[ 50.892430] ksys_write+0x68/0xf0 8 c7 c7 80 34 4b 9f e8 3e 96 fd ff 48 c7 c7 a8 34 4b 9f b8 de c0[ 50.902350] do_syscall_64+0x30/0x40 de c0 <48> 03 45 00 48 89 04 24 e8 25 96 fd ff 48 89 ee 48 c7 c[ 50.912557] entry_SYSCALL_64_after_hwframe+0x61/0xc6 7 d0 34 4b # [ 43.960183] RSP: 0018:ffffb437824efe48 EFLAGS: [ 50.924416] RIP: 0033:0x7f02ad7fc833 00010246 # [ 43.966014] RAX: 00000000c0dec0de RBX: 0000000000[ 50.934626] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 000026 RCX: 0000000000000000 # [ 43.973983] RDX: 000000000000[ 50.961833] RSP: 002b:00007ffce44df5a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.976509] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f02ad7fc833 0000 RSI: ffff9c1cbac9bf70 RDI: ffffffff9f4b34a8 # [ 43.98195[ 50.984485] RDX: 000000000000001f RSI: 00007f02ad6ef000 RDI: 0000000000000001 [ 50.998667] RBP: 00007f02ad6ef000 R08: 00007f02ad6ee010 R09: 0000000000000000 1] RBP: 00007fa188801000 R08: 0000000000000000 R09: 000000000000[ 51.006643] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 0000 # [ 43.989919] R10: 00000000ffffe000 R11: 3fffffffffffff[ 51.020831] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ff R12: 0000000000000011 # [ 43.997887] R13: ffffb437824eff10[ 51.035043] irq event stamp: 0 [ 51.044647] hardirqs last enabled at (0): [<0000000000000000>] 0x0 R14: ffffb437824eff10 R15: ffff9c1c43ca6000 # [ 44.005876] F[ 51.051653] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 S: 00007fa1887d2580(0000) GS:ffff9c1cbac80000(0000) knlGS:00000[ 51.067004] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 00000000000 # [ 44.014910] CS: 0010 DS: 0000 ES: 0000 CR0: 0[ 51.082364] softirqs last disabled at (0): [<0000000000000000>] 0x0 000000080050033 # [ 44.021325] CR2: 00007fa188801000 CR3: 000[ 51.095585] ---[ end trace fe2f61b4f4498450 ]--- 00001040fa003 CR4: 00000000003706e0 # [ 44.029291] Call Trace[ 51.106961] lkdtm: Negative detected: saturated : # [ 44.032019] direct_entry.cold+0x2c/0x38 # [ 44.036399] full_proxy_write+0x53/0x80 # [ 44.046889] vfs_write+0xe7/0x3a0 # [ 44.050587] ksys_write+0x68/0xf0 # [ 44.060495] do_syscall_64+0x30/0x40 # [ 44.064484] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 44.070114] RIP: 0033:0x7fa1886e8833 # [ 44.074101] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 44.095080] RSP: 002b:00007ffca7063538 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 44.103526] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fa1886e8833 # [ 44.111484] RDX: 0000000000000011 RSI: 00007fa1885db000 RDI: 0000000000000001 # [ 44.119453] RBP: 00007fa1885db000 R08: 00007fa1885da010 R09: 0000000000000000 # [ 44.127421] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 44.135388] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 44.143362] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_s[ 51.234205] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE [ 51.243942] lkdtm: attempting bad refcount_sub_and_test() below zero [ 51.251076] ------------[ cut here ]------------ ysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_t[ 51.256259] refcount_t: underflow; use-after-free. emp_thermal cros_ec_dev cros_usbpd_notify # [ 44.175994] CR2:[ 51.267825] WARNING: CPU: 3 PID: 2207 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 [ 51.283453] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 00007fa188801000 # [ 44.179690] ---[ end trace fe2f61b4f4498[ 51.309920] CPU: 3 PID: 2207 Comm: cat Tainted: G D W 5.10.167-cip26 #1 [ 51.324783] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 51.331592] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 51.337431] Code: 01 01 e8 3b f4 94 00 0f 0b c3 cc cc cc cc 80 3d 1b ec 93 01 00 75 85 48 c7 c7 88 dc 44 9f c6 05 0b ec 93 01 01 e8 18 f4 94 00 <0f> 0b c3 cc cc cc cc 80 3d f6 eb 93 01 00 0f 85 5e ff ff ff 48 c7 [ 51.358442] RSP: 0018:ffffb43782affe40 EFLAGS: 00010286 [ 51.364280] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 [ 51.372255] RDX: ffff9c1cbadac660 RSI: ffff9c1cbad9bf70 RDI: ffff9c1cbad9bf70 [ 51.380229] RBP: ffffffff9f4b2258 R08: 0000000000000000 R09: 0000000000000000 [ 51.388203] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 51.396177] R13: ffffb43782afff10 R14: ffffb43782afff10 R15: ffff9c1c4121f000 [ 51.404152] FS: 00007f88642a3580(0000) GS:ffff9c1cbad80000(0000) knlGS:0000000000000000 [ 51.413194] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.419613] CR2: 00007f88640ac000 CR3: 0000000103104001 CR4: 00000000003706e0 [ 51.427586] Call Trace: [ 51.430318] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 51.436478] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b [ 51.442732] direct_entry.cold+0x2c/0x38 [ 51.447138] full_proxy_write+0x53/0x80 [ 51.451452] vfs_write+0xe7/0x3a0 [ 51.455177] ksys_write+0x68/0xf0 [ 51.458880] do_syscall_64+0x30/0x40 [ 51.462881] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 51.468525] RIP: 0033:0x7f88641b9833 [ 51.472516] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 51.493503] RSP: 002b:00007ffd7ef5ae58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.501960] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f88641b9833 [ 51.509935] RDX: 000000000000001f RSI: 00007f88640ac000 RDI: 0000000000000001 [ 51.517907] RBP: 00007f88640ac000 R08: 00007f88640ab010 R09: 0000000000000000 [ 51.525879] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 445 ]--- # [ 44.184836] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 4[ 51.533853] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 4.189213] Code: 89 ff e8 ce 62 a3 ff 48 c7 c0 ea ff ff ff eb de [ 51.548048] irq event stamp: 0 [ 51.557668] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 51.564694] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 51.573835] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0[ 51.582978] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 51.596189] ---[ end trace fe2f61b4f4498451 ]--- [ 51.601346] lkdtm: Negative detected: saturated f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 40 3d 92 02 # [ 44.210182] RSP: 0018:ffffb4378133fe60 EFLAGS: 00010282 # [ 44.216005] RAX: ffffffff9e2e4910 RBX: 0000000000000001 RCX: 0000000000000000 # [ 44.223973] RDX: 0000000000000000 RSI: ffff9c1cbad1bf70 RDI: ffffffff9f0d1110 # [ 44.231941] RBP: ffffffff9f50db00 R08: 0000000000000001 R09: 0000000000000001 # [ 44.239907] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 44.247877] R13: ffffb4378133ff10 R14: ffffb4378133ff10 R15: ffff9c1c43ce9000 # [ 44.255844] FS: 00007fa1887d2580(0000) GS:ffff9c1cbac80000(0000) knlGS:0000000000000000 # [ 44.264879] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.271293] CR2: 00007fa188801000 CR3: 00000001040fa003 CR4: 00000000003706e0 # [ 44.279260] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 44.289168] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1799, name: cat # [ 44.297622] INFO: lockdep is turned off. # [ 44.301997] irq event stamp: 0 # [ 44.305401] hardirqs last enabled at (0): [<0000000000000[ 51.715955] lkdtm: Performing direct entry REFCOUNT_INC_ZERO 000>] 0x0 # [ 44.312399] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 44.321531] soft[ 51.737961] lkdtm: Good: zero detected [ 51.748360] lkdtm: Correctly stayed at zero irqs last enabled at (0): [] copy_process+0x6[ 51.753033] lkdtm: attempting bad refcount_inc() from zero 64/0x1cb0 # [ 44.330663] softirqs last disabled at (0): [<000[ 51.765372] ------------[ cut here ]------------ 0000000000000>] 0x0 # [ 44.337661] CPU: 1 PID: 1799 Comm: cat[ 51.776746] refcount_t: addition on 0; use-after-free. Tainted: G D W 5.10.167-cip26 #1 # [ 44.346310][ 51.788732] WARNING: CPU: 1 PID: 2239 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 44[ 51.804350] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify .353112] Call Trace: # [ 44.355840] dump_stack+0x77/0x9b # [ 51.836999] CPU: 1 PID: 2239 Comm: cat Tainted: G D W 5.10.167-cip26 #1 [ 44.359540] ___might_sleep.cold+0xa6/0xb6 # [ 44.370320] [ 51.851872] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 exit_signals+0x1c/0x2e0 # [ 44.374310] do_exit+0xc2/0xaf0 [ 51.864897] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 44.384023] ? ksys_write+0x68/0xf0 # [ 44.387906] make[ 51.876950] Code: 01 01 e8 81 f4 94 00 0f 0b c3 cc cc cc cc 80 3d 62 ec 93 01 00 75 cb 48 c7 c7 58 dc 44 9f c6 05 52 ec 93 01 01 e8 5e f4 94 00 <0f> 0b c3 cc cc cc cc 80 3d 41 ec 93 01 00 75 a8 48 c7 c7 30 dc 44 _task_dead+0x2f/0x30 # [ 44.391992] rewind_stack_and_make_de[ 51.904178] RSP: 0018:ffffb43782b5fe48 EFLAGS: 00010286 ad+0x17/0x20 # [ 44.397242] RIP: 0033:0x7fa1886e8833 # [ 4[ 51.916228] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 4.401222] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff [ 51.930393] RDX: ffff9c1cbacac660 RSI: ffff9c1cbac9bf70 RDI: ffff9c1cbac9bf70 ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 0[ 51.944581] RBP: ffffffff9f4b25f9 R08: 0000000000000000 R09: 0000000000000000 0 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec [ 51.958770] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 51.972958] R13: ffffb43782b5ff10 R14: ffffb43782b5ff10 R15: ffff9c1c45534000 28 48 89 54 24 18 # [ 44.422202] RSP: 002b:00007ffca7063538 E[ 51.980934] FS: 00007f24b4ee2580(0000) GS:ffff9c1cbac80000(0000) knlGS:0000000000000000 [ 51.996185] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 FLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 44.430647] RAX[ 52.002606] CR2: 00007f24b4ceb000 CR3: 00000001040c0002 CR4: 00000000003706e0 : ffffffffffffffda RBX: 0000000000000011 RCX: 00007fa1886e8833 [ 52.016794] Call Trace: # [ 44.438614] RDX: 0000000000000011 RSI: 00007fa1885db000 RDI[ 52.025740] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 : 0000000000000001 # [ 44.446582] RBP: 00007fa1885db000 R08: [ 52.036923] direct_entry.cold+0x2c/0x38 00007fa1885da010 R09: 0000000000000000 # [ 44.454549] R10: ff[ 52.047518] full_proxy_write+0x53/0x80 fffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ [ 52.058018] vfs_write+0xe7/0x3a0 44.462517] R13: 0000000000000001 R14: 0000000000020000 R15: 00[ 52.067938] ksys_write+0x68/0xf0 00000000020000 # ACCESS_USERSPACE: saw 'call trace:': ok ok 37[ 52.077890] do_syscall_64+0x30/0x40 selftests: lkdtm: ACCESS_USERSPACE.sh # selftests: lkdtm: ACCE[ 52.088106] entry_SYSCALL_64_after_hwframe+0x61/0xc6 SS_NULL.sh [ 52.099966] RIP: 0033:0x7f24b4df8833 [ 52.105123] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # Killed # [ 44.589848] lkdtm: Performing direct entry ACCESS[ 52.126112] RSP: 002b:00007ffdd5fd6458 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.140780] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f24b4df8833 [ 52.148754] RDX: 0000000000000012 RSI: 00007f24b4ceb000 RDI: 0000000000000001 [ 52.156730] RBP: 00007f24b4ceb000 R08: 00007f24b4cea010 R09: 0000000000000000 [ 52.164704] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 52.172678] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 52.180664] irq event stamp: 0 _NULL # [ 44.600561] lkdtm: attempting bad read at 0000000000[ 52.184076] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 52.197291] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 52.206437] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 52.215577] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 52.222583] ---[ end trace fe2f61b4f4498452 ]--- 000000 # [ 44.612910] BUG: kernel NULL pointer dereference, a[ 52.227741] lkdtm: Zero detected: saturated ddress: 0000000000000000 # [ 44.626900] #PF: supervisor read access in kernel mode # [ 44.632638] #PF: error_code(0x0000) - not-present page # [ 44.638373] PGD 0 P4D 0 # [ 44.641200] Oops: 0000 [#13] SMP PTI # [ 44.651399] CPU: 1 PID: 1834 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # [ 44.660047] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 44.673070] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 44.678322] Code: e2 95 fd ff be 00 10 00 00 48 89 ef e8 2a d2 3c ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 80 34 4b 9f e8 bc 95 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 a8 34 4b 9f 48 01 # [ 44.705517] RSP: 0018:ffffb43782597e58 EFLAGS: 00010246 # [ 44.711352] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 # [ 44.719322] RDX: 0000000000000000 RSI: ffff9c1cbac9bf70 RDI: ffff9c1cbac9bf70 # [ 44.727289] RBP: ffffffff9f4b2571 R08: 0000000000000000 R09: 0000000000000000 # [ 44.735257] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 44.743226] R13: ffffb43782597f10 R14: ffffb43782597f10 R15: ffff9c1c43fc4000 # [ 44.751195] FS: 00007fea07a90580(0000) GS:ffff9c1cbac80000(0000) knlG[ 52.350685] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO S:0000000000000000 # [ 44.760233] CS: 0010 DS: 0000 ES: 0000[ 52.363046] lkdtm: attempting safe refcount_add_not_zero() from zero CR0: 0000000080050033 # [ 44.766647] CR2: 0000000000000000 C[ 52.376363] lkdtm: Good: zero detected [ 52.386759] lkdtm: Correctly stayed at zero R3: 00000001026ea003 CR4: 00000000003706e0 # [ 44.774617] Cal[ 52.391432] lkdtm: attempting bad refcount_add() from zero l Trace: # [ 44.777344] direct_entry.cold+0x2c/0x38 # [ 4[ 52.403773] ------------[ cut here ]------------ [ 52.415145] refcount_t: addition on 0; use-after-free. 4.781723] full_proxy_write+0x53/0x80 # [ 44.792217] vfs_wri[ 52.420916] WARNING: CPU: 1 PID: 2271 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 te+0xe7/0x3a0 # [ 44.795915] ksys_write+0x68/0xf0 # [ 44.[ 52.436528] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 805831] do_syscall_64+0x30/0x40 # [ 44.809828] entry_SYSCAL[ 52.469174] CPU: 1 PID: 2271 Comm: cat Tainted: G D W 5.10.167-cip26 #1 L_64_after_hwframe+0x61/0xc6 # [ 44.821680] RIP: 0033:0x7fea0[ 52.484043] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 79a6833 # [ 44.825660] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02[ 52.497073] RIP: 0010:refcount_warn_saturate+0x74/0x110 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 [ 52.509122] Code: 01 01 e8 81 f4 94 00 0f 0b c3 cc cc cc cc 80 3d 62 ec 93 01 00 75 cb 48 c7 c7 58 dc 44 9f c6 05 52 ec 93 01 01 e8 5e f4 94 00 <0f> 0b c3 cc cc cc cc 80 3d 41 ec 93 01 00 75 a8 48 c7 c7 30 dc 44 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f[ 52.536328] RSP: 0018:ffffb43782bd7e48 EFLAGS: 00010286 40 00 48 83 ec 28 48 89 54 24 18 # [ 44.846636] RSP: 002b:00[ 52.548405] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 007ffd1da62378 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ [ 52.562577] RDX: ffff9c1cbacac660 RSI: ffff9c1cbac9bf70 RDI: ffff9c1cbac9bf70 44.855093] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00[ 52.576764] RBP: ffffffff9f4b260b R08: 0000000000000000 R09: 0000000000000000 007fea079a6833 # [ 44.863064] RDX: 000000000000000c RSI: 0000[ 52.590955] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 7fea07899000 RDI: 0000000000000001 # [ 44.871034] RBP: 00007f[ 52.605145] R13: ffffb43782bd7f10 R14: ffffb43782bd7f10 R15: ffff9c1c43d4f000 ea07899000 R08: 00007fea07898010 R09: 0000000000000000 # [ 44[ 52.619337] FS: 00007f321b15e580(0000) GS:ffff9c1cbac80000(0000) knlGS:0000000000000000 .879004] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 000000[ 52.634595] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0000000001 # [ 44.886974] R13: 0000000000000001 R14: 00000000[ 52.647231] CR2: 00007f321af67000 CR3: 0000000103124002 CR4: 00000000003706e0 [ 52.661421] Call Trace: 00020000 R15: 0000000000020000 # [ 44.894947] Modules linked [ 52.664155] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industri[ 52.675325] direct_entry.cold+0x2c/0x38 alio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cr[ 52.685922] full_proxy_write+0x53/0x80 os_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x8[ 52.696421] vfs_write+0xe7/0x3a0 6_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 44.92758[ 52.706336] ksys_write+0x68/0xf0 8] CR2: 0000000000000000 # [ 44.931278] ---[ end trace fe2f61[ 52.716254] do_syscall_64+0x30/0x40 b4f4498446 ]--- # [ 44.936434] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 52.726461] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 44.940829] Code: 89 ff e8 ce 62 a3 ff 48 c7 c0 ea ff ff ff[ 52.738320] RIP: 0033:0x7f321b074833 eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff [ 52.748528] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44[ 52.775732] RSP: 002b:00007ffe0e0db828 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 00 00 83 05 40 3d 92 02 # [ 44.961830] RSP: 0018:ffffb437813[ 52.790412] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f321b074833 3fe60 EFLAGS: 00010282 # [ 44.967663] RAX: ffffffff9e2e4910 R[ 52.804603] RDX: 0000000000000012 RSI: 00007f321af67000 RDI: 0000000000000001 BX: 0000000000000001 RCX: 0000000000000000 # [ 44.975634] RDX[ 52.818795] RBP: 00007f321af67000 R08: 00007f321af66010 R09: 0000000000000000 : 0000000000000000 RSI: ffff9c1cbad1bf70 RDI: ffffffff9f0d1110 [ 52.833010] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 44.983604] RBP: ffffffff9f50db00 R08: 0000000000000001 R09[ 52.847202] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 : 0000000000000001 # [ 44.991573] R10: 00000000ffffe000 R11: [ 52.861400] irq event stamp: 0 3fffffffffffffff R12: 0000000000000004 # [ 44.999543] R13: ff[ 52.871020] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ffb4378133ff10 R14: ffffb4378133ff10 R15: ffff9c1c43ce9000 # [ [ 52.884242] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 45.007512] FS: 00007fea07a90580(0000) GS:ffff9c1cbac80000(000[ 52.899596] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 0) knlGS:0000000000000000 # [ 45.016549] CS: 0010 DS: 0000 E[ 52.914950] softirqs last disabled at (0): [<0000000000000000>] 0x0 S: 0000 CR0: 0000000080050033 # [ 45.022965] CR2: 00000000000[ 52.928167] ---[ end trace fe2f61b4f4498453 ]--- 00000 CR3: 00000001026ea003 CR4: 00000000003706e0 # ACCESS_NULL[ 52.939540] lkdtm: Zero detected: saturated : saw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh # Killed # [ 45.164059] lkdtm: Performing direct entry WRITE_RO # [ 45.173151] lkdtm: attempting bad rodata write at ffffffff9f0d1590 # [ 45.180091] BUG: unable to handle page fault for address: ffffffff9f0d1590 # [ 45.187777] #PF: supervisor write access in kernel mode # [ 45.193613] #PF: error_code(0x0003) - permissions violation # [ 45.199833] PGD 49e29067 P4D 49e29067 PUD 49e2a063 PMD 80000000498000e1 # [ 45.207320] Oops: 0003 [#14] SMP PTI # [ 45.211308] CPU: 2 PID: 1869 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # [ 45.219958] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 45.226763] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 45.231723] Code: 00 48 c7 c7 60 33 4b 9f 48 c7 c6 90 15 0d 9f e8 66 98 fd ff 48 8b 05 c4 6b 79 00 ba 34 12 cd ab 48 c7 c7 90 33 4b 9f 48 31 d0 <48> 89 05 ae 6b 79 00 e9 44 98 fd ff 0f 1f 44 00 00 48 8b 05 3d 39 # [ 45.252696] RSP: 0018:ffffb43782617e60 EFLAGS: 00010202 # [ 45.258528] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 # [ 45.266495] RDX: 00000000abcd1234 RSI: ffff9c1cbad1bf70 RDI: [ 53.063930] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED [ 53.075509] lkdtm: attempting bad refcount_inc() from saturated [ 53.082157] ------------[ cut here ]------------ ffffffff9f4b3390 # [ 45.274464] RBP: ffffffff9f4b257d R08: 00[ 53.087348] refcount_t: saturated; leaking memory. 00000000000000 R09: 0000000000000000 # [ 45.282432] R10: 0000[ 53.098925] WARNING: CPU: 3 PID: 2306 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 [ 53.114563] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 # [ [ 53.141038] CPU: 3 PID: 2306 Comm: cat Tainted: G D W 5.10.167-cip26 #1 [ 53.155895] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 53.162728] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 53.168565] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 86 ec 93 01 00 75 ee 48 c7 c7 30 dc 44 9f c6 05 76 ec 93 01 01 e8 81 f4 94 00 <0f> 0b c3 cc cc cc cc 80 3d 62 ec 93 01 00 75 cb 48 c7 c7 58 dc 44 [ 53.189552] RSP: 0018:ffffb43782c6fe48 EFLAGS: 00010286 [ 53.195389] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 [ 53.203362] RDX: ffff9c1cbadac660 RSI: ffff9c1cbad9bf70 RDI: ffff9c1cbad9bf70 [ 53.211336] RBP: ffffffff9f4b261d R08: 0000000000000000 R09: 0000000000000000 [ 53.219308] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 53.227278] R13: ffffb43782c6ff10 R14: ffffb43782c6ff10 R15: ffff9c1c461a3000 [ 53.235252] FS: 00007fccfa740580(0000) GS:ffff9c1cbad80000(0000) knlGS:0000000000000000 [ 53.244293] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.250713] CR2: 00007fccfa549000 CR3: 0000000103120002 CR4: 00000000003706e0 [ 53.258684] Call Trace: [ 53.261415] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 [ 53.266884] direct_entry.cold+0x2c/0x38 [ 53.271289] full_proxy_write+0x53/0x80 [ 53.275595] vfs_write+0xe7/0x3a0 [ 53.279319] ksys_write+0x68/0xf0 [ 53.283020] do_syscall_64+0x30/0x40 [ 53.287012] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 53.292655] RIP: 0033:0x7fccfa656833 [ 53.296645] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 53.317633] RSP: 002b:00007ffeef2c0c98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 53.326092] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fccfa656833 [ 53.334064] RDX: 0000000000000017 RSI: 00007fccfa549000 RDI: 0000000000000001 [ 53.342035] RBP: 00007fccfa549000 R08: 00007fccfa548010 R09: 0000000000000000 [ 53.350007] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 45.290400] R13: ffffb43782617f10 R14: ffffb43782617f10 R15: ffff[ 53.357981] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 9c1c43d59000 # [ 45.298369] FS: 00007efc62ddd580(0000) GS:ff[ 53.372176] irq event stamp: 0 [ 53.381796] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 53.388833] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 ff9c1cbad00000(0000) knlGS:0000000000000000 # [ 45.307404] CS[ 53.397980] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 53.413329] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 53.420332] ---[ end trace fe2f61b4f4498454 ]--- [ 53.425487] lkdtm: Saturation detected: still saturated : 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 45.313826] CR2: ffffffff9f0d1590 CR3: 0000000103102003 CR4: 00000000003706e0 # [ 45.321794] Call Trace: # [ 45.324521] direct_entry.cold+0x2c/0x38 # [ 45.328898] full_proxy_write+0x53/0x80 # [ 45.333180] vfs_write+0xe7/0x3a0 # [ 45.336881] ksys_write+0x68/0xf0 # [ 45.340579] do_syscall_64+0x30/0x40 # [ 45.344568] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 45.350207] RIP: 0033:0x7efc62cf3833 # [ 45.354195] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 45.375174] RSP: 002b:00007ffdedcbb9f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 45.383627] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007efc62cf3833 # [ 45.391595] RDX: 0000000000000009 RSI: 00007efc62be6000 RDI: 0000000000000001 # [ 45.399564] RBP: 00007efc62be6000 R08: 00007efc62be5010 R09: 0000000000000000 # [ 45.407532] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 45.415500] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 4[ 53.545546] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED 5.423471] Modules linked in: fuse ip_tables cros_ec_sensors cros[ 53.556437] lkdtm: attempting bad refcount_dec() from saturated _ec_sensors_core industrialio_triggered_buffer kfifo_buf industr[ 53.569287] ------------[ cut here ]------------ [ 53.580639] refcount_t: decrement hit 0; leaking memory. ialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_cha[ 53.586604] WARNING: CPU: 1 PID: 2341 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 rdev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usb[ 53.602216] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify pd_notify # [ 45.449923] CR2: ffffffff9f0d1590 # [ 45.4598[ 53.634862] CPU: 1 PID: 2341 Comm: cat Tainted: G D W 5.10.167-cip26 #1 32] ---[ end trace fe2f61b4f4498447 ]--- # [ 45.464987] RIP: [ 53.649753] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 0010:lkdtm_BUG+0x5/0x10 # [ 45.469363] Code: 89 ff e8 ce 62 a[ 53.662781] RIP: 0010:refcount_warn_saturate+0xfb/0x110 3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc[ 53.674837] Code: e0 dc 44 9f c6 05 e2 eb 93 01 01 e8 f1 f3 94 00 0f 0b c3 cc cc cc cc 48 c7 c7 b0 dc 44 9f c6 05 c9 eb 93 01 01 e8 d7 f3 94 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 8[ 53.702068] RSP: 0018:ffffb43782cd7e48 EFLAGS: 00010286 4 00 00 00 00 00 0f 1f 44 00 00 83 05 40 3d 92 02 # [ 45.4903[ 53.714100] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 [ 53.728287] RDX: ffff9c1cbacac660 RSI: ffff9c1cbac9bf70 RDI: ffff9c1cbac9bf70 44] RSP: 0018:ffffb4378133fe60 EFLAGS: 00010282 # [ 45.496177[ 53.736263] RBP: ffffffff9f4b2634 R08: 0000000000000000 R09: 0000000000000000 [ 53.750445] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 ] RAX: ffffffff9e2e4910 RBX: 0000000000000001 RCX: 0000000000000[ 53.758421] R13: ffffb43782cd7f10 R14: ffffb43782cd7f10 R15: ffff9c1c45527000 [ 53.772604] FS: 00007f23ec852580(0000) GS:ffff9c1cbac80000(0000) knlGS:0000000000000000 000 # [ 45.504146] RDX: 0000000000000000 RSI: ffff9c1cbad1bf7[ 53.781648] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.794277] CR2: 00007f23ec65b000 CR3: 000000010507a003 CR4: 00000000003706e0 0 RDI: ffffffff9f0d1110 # [ 45.512114] RBP: ffffffff9f50db00 [ 53.802252] Call Trace: R08: 0000000000000001 R09: 0000000000000001 # [ 45.520084] R1[ 53.811194] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f 0: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 53.822874] direct_entry.cold+0x2c/0x38 # [ 45.528053] R13: ffffb4378133ff10 R14: ffffb4378133ff10 R1[ 53.833502] full_proxy_write+0x53/0x80 5: ffff9c1c43ce9000 # [ 45.536022] FS: 00007efc62ddd580(0000[ 53.844004] vfs_write+0xe7/0x3a0 ) GS:ffff9c1cbad00000(0000) knlGS:0000000000000000 # [ 45.545[ 53.853922] ksys_write+0x68/0xf0 059] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 45[ 53.863840] do_syscall_64+0x30/0x40 .551472] CR2: ffffffff9f0d1590 CR3: 0000000103102003 CR4: 000000[ 53.874050] entry_SYSCALL_64_after_hwframe+0x61/0xc6 00003706e0 # WRITE_RO: saw 'call trace:': ok ok 39 selftests: [ 53.885911] RIP: 0033:0x7f23ec768833 lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh [ 53.896120] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # Killed # [ 45.711936] lkdtm: Performing direct entry WRITE_[ 53.923328] RSP: 002b:00007ffd21c71398 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 53.938006] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f23ec768833 RO_AFTER_INIT # [ 45.721473] lkdtm: attempting bad ro_after_i[ 53.945983] RDX: 0000000000000017 RSI: 00007f23ec65b000 RDI: 0000000000000001 nit write at ffffffff9f52e330 # [ 45.729069] BUG: unable to h[ 53.960171] RBP: 00007f23ec65b000 R08: 00007f23ec65a010 R09: 0000000000000000 andle page fault for address: ffffffff9f52e330 # [ 45.736750][ 53.974363] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 #PF: supervisor write access in kernel mode # [ 45.742583] #[ 53.988556] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 PF: error_code(0x0003) - permissions violation # [ 45.748821][ 54.002753] irq event stamp: 0 PGD 49e29067 P4D 49e29067 PUD 49e2a063 PMD 1049e7063 PTE 800000[ 54.012374] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0049d2e061 # [ 45.757571] Oops: 0003 [#15] SMP PTI # [ 45.[ 54.025596] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 761558] CPU: 3 PID: 1904 Comm: cat Tainted: G D W 5[ 54.040952] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 .10.167-cip26 #1 # [ 45.770207] Hardware name: Google Rammus/[ 54.056308] softirqs last disabled at (0): [<0000000000000000>] 0x0 Rammus, BIOS 09/04/2020 # [ 45.777015] RIP: 0010:lkdtm_WRITE[ 54.069529] ---[ end trace fe2f61b4f4498455 ]--- _RO_AFTER_INIT+0x4e/0x5a # [ 45.783043] Code: 33 4b 9f e9 18 [ 54.080904] lkdtm: Saturation detected: still saturated 98 fd ff 48 c7 c7 e8 33 4b 9f e8 0c 98 fd ff 48 8b 05 0a 39 bf 00 ba 34 12 cd ab 48 c7 c7 90 33 4b 9f 48 31 d0 <48> 89 05 f4 38 bf 00 e9 ea 97 fd ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 45.804027] RSP: 0018:ffffb43782697e60 EFLAGS: 00010202 # [ 45.809860] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 # [ 45.817829] RDX: 00000000abcd1234 RSI: ffff9c1cbad9bf70 RDI: ffffffff9f4b3390 # [ 45.825816] RBP: ffffffff9f4b2586 R08: 0000000000000000 R09: 0000000000000000 # [ 45.833796] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 # [ 45.847980] R13: ffffb43782697f10 R14: ffffb43782697f10 R15: ffff9c1c43251000 # [ 45.855950] FS: 00007f9d83731580(0000) GS:ffff9c1cbad80000(0000) knlGS:0000000000000000 # [ 45.864988] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 45.871404] CR2: ffffffff9f52e330 CR3: 0000000103b4c006 CR4: 00000000003706e0 # [ 45.879372] Call Trace: # [ 45.882098] direct_entry.cold+0x2c/0x38 # [ 45.886477] full_proxy_write+0x53/0x80 # [ 45.890756] vfs_write+0xe7/0x3a0 # [ 45.894455] ksys_write+0x68/0xf0 # [ 45.898153] do_syscall_64+0x30/0x40 # [ 45.902141] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 45.907772] RIP: 0033:0x7f9d83647833 # [ 45.911752] Code:[ 54.212015] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED [ 54.224200] lkdtm: attempting bad refcount_dec() from saturated [ 54.230826] ------------[ cut here ]------------ 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f [ 54.235992] refcount_t: saturated; leaking memory. 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <[ 54.247566] WARNING: CPU: 2 PID: 2376 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 [ 54.263202] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 [ 54.289678] CPU: 2 PID: 2376 Comm: cat Tainted: G D W 5.10.167-cip26 #1 [ 54.304533] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.311367] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 54.317230] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 86 ec 93 01 00 75 ee 48 c7 c7 30 dc 44 9f c6 05 76 ec 93 01 01 e8 81 f4 94 00 <0f> 0b c3 cc cc cc cc 80 3d 62 ec 93 01 00 75 cb 48 c7 c7 58 dc 44 [ 54.338221] RSP: 0018:ffffb43782d57e48 EFLAGS: 00010286 [ 54.344059] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 [ 54.352033] RDX: ffff9c1cbad2c660 RSI: ffff9c1cbad1bf70 RDI: ffff9c1cbad1bf70 [ 54.360007] RBP: ffffffff9f4b264b R08: 0000000000000000 R09: 0000000000000000 [ 54.367981] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 54.375957] R13: ffffb43782d57f10 R14: ffffb43782d57f10 R15: ffff9c1c451cb000 [ 54.383930] FS: 00007f920fd46580(0000) GS:ffff9c1cbad00000(0000) knlGS:0000000000000000 [ 54.392973] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.399393] CR2: 00007f920fb4f000 CR3: 00000001032f8005 CR4: 00000000003706e0 [ 54.407366] Call Trace: [ 54.410100] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 18 # [ 45.932735] RSP: 002b:00007ffe796339f8 EFLAGS: 00000246[ 54.415579] direct_entry.cold+0x2c/0x38 [ 54.426169] full_proxy_write+0x53/0x80 [ 54.430487] vfs_write+0xe7/0x3a0 [ 54.434194] ksys_write+0x68/0xf0 [ 54.437928] do_syscall_64+0x30/0x40 [ 54.441952] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 54.447620] RIP: 0033:0x7f920fc5c833 [ 54.451611] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 54.472600] RSP: 002b:00007fff6ca1a9e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 54.481085] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f920fc5c833 [ 54.489059] RDX: 0000000000000017 RSI: 00007f920fb4f000 RDI: 0000000000000001 [ 54.497031] RBP: 00007f920fb4f000 R08: 00007f920fb4e010 R09: 0000000000000000 [ 54.505003] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 ORIG_RAX: 0000000000000001 # [ 45.941183] RAX: fffffffffffff[ 54.512979] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 fda RBX: 0000000000000014 RCX: 00007f9d83647833 # [ 45.949152[ 54.527172] irq event stamp: 0 [ 54.536792] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 54.543835] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 54.552974] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 54.562112] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 54.569114] ---[ end trace fe2f61b4f4498456 ]--- [ 54.574270] lkdtm: Saturation detected: still saturated ] RDX: 0000000000000014 RSI: 00007f9d8353a000 RDI: 0000000000000001 # [ 45.957121] RBP: 00007f9d8353a000 R08: 00007f9d83539010 R09: 0000000000000000 # [ 45.965091] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 45.973061] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 45.981036] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 46.007498] CR2: ffffffff9f52e330 # [ 46.017409] ---[ end trace fe2f61b4f4498448 ]--- # [ 46.022565] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 46.026941] Code: 89 ff e8 ce 62 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 40 3d 92 02 # [ 46.047923] RSP: 0018:ffffb4378133fe60 EFLAGS: 00010282 # [ 46.053755] RAX: ffffffff9e2e4910 RBX: 0000000000000001 RCX: 0000000000000000 # [ 46.061724] RDX: 0000000000000000 RSI: ffff9c1cbad1bf70 RDI: ffffffff9f0d1110 # [ 46.069693] RBP: ffffffff9[ 54.693044] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED f50db00 R08: 0000000000000001 R09: 0000000000000001 # [ 46.07[ 54.705919] lkdtm: attempting bad refcount_inc_not_zero() from saturated 7662] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000[ 54.719629] ------------[ cut here ]------------ [ 54.730997] refcount_t: saturated; leaking memory. 0000004 # [ 46.085631] R13: ffffb4378133ff10 R14: ffffb437813[ 54.736378] WARNING: CPU: 1 PID: 2408 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 3ff10 R15: ffff9c1c43ce9000 # [ 46.093600] FS: 00007f9d83731[ 54.751991] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 580(0000) GS:ffff9c1cbad80000(0000) knlGS:0000000000000000 # [ [ 54.784638] CPU: 1 PID: 2408 Comm: cat Tainted: G D W 5.10.167-cip26 #1 46.102638] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.799510] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 46.109052] CR2: ffffffff9f52e330 CR3: 0000000103b4c006 CR4[ 54.812537] RIP: 0010:refcount_warn_saturate+0x97/0x110 : 00000000003706e0 # [ 46.117022] BUG: sleeping function call[ 54.824590] Code: 01 01 e8 5e f4 94 00 0f 0b c3 cc cc cc cc 80 3d 41 ec 93 01 00 75 a8 48 c7 c7 30 dc 44 9f c6 05 31 ec 93 01 01 e8 3b f4 94 00 <0f> 0b c3 cc cc cc cc 80 3d 1b ec 93 01 00 75 85 48 c7 c7 88 dc 44 ed from invalid context at include/linux/percpu-rwsem.h:49 # [ [ 54.851826] RSP: 0018:ffffb43782de7e38 EFLAGS: 00010282 46.126933] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, p[ 54.863912] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 54.878097] RDX: ffff9c1cbacac660 RSI: ffff9c1cbac9bf70 RDI: ffff9c1cbac9bf70 id: 1904, name: cat # [ 46.135388] INFO: lockdep is turned of[ 54.886074] RBP: ffffffff9f4b2278 R08: 0000000000000000 R09: 0000000000000000 [ 54.900258] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 f. # [ 46.139765] irq event stamp: 0 # [ 46.143170] hardir[ 54.908233] R13: ffffb43782de7f10 R14: ffffb43782de7f10 R15: ffff9c1c43e1b000 [ 54.922417] FS: 00007fdca4aea580(0000) GS:ffff9c1cbac80000(0000) knlGS:0000000000000000 qs last enabled at (0): [<0000000000000000>] 0x0 # [ 46.1501[ 54.931461] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.944092] CR2: 00007fdca48f3000 CR3: 0000000105578005 CR4: 00000000003706e0 68] hardirqs last disabled at (0): [] copy_pro[ 54.952069] Call Trace: cess+0x664/0x1cb0 # [ 46.159301] softirqs last enabled at (0[ 54.961011] __refcount_add_not_zero.constprop.0+0x2a/0x35 ): [] copy_process+0x664/0x1cb0 # [ 46.1684[ 54.973357] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 35] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [[ 54.985898] direct_entry.cold+0x2c/0x38 46.175433] CPU: 3 PID: 1904 Comm: cat Tainted: G D W [ 54.996494] full_proxy_write+0x53/0x80 5.10.167-cip26 #1 # [ 46.184083] Hardware name: Google R[ 55.007021] vfs_write+0xe7/0x3a0 ammus/Rammus, BIOS 09/04/2020 # [ 46.190885] Call Trace: # [ 55.016935] ksys_write+0x68/0xf0 [ 55.026866] do_syscall_64+0x30/0x40 [ 46.193612] dump_stack+0x77/0x9b # [ 46.197302] ___might[ 55.030889] entry_SYSCALL_64_after_hwframe+0x61/0xc6 _sleep.cold+0xa6/0xb6 # [ 46.201880] exit_signals+0x1c/0x2e0[ 55.042748] RIP: 0033:0x7fdca4a00833 # [ 46.205880] do_exit+0xc2/0xaf0 [ 55.052956] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 55.077825] RSP: 002b:00007ffc626b0848 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.086286] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fdca4a00833 [ 55.094258] RDX: 0000000000000020 RSI: 00007fdca48f3000 RDI: 0000000000000001 [ 55.102230] RBP: 00007fdca48f3000 R08: 00007fdca48f2010 R09: 0000000000000000 [ 55.110202] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 55.118175] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 55.126161] irq event stamp: 0 # [ 46.209383] ? ksys_write+0x68/0xf0 # [ 46.213266] make[ 55.129562] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 55.142773] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 _task_dead+0x2f/0x30 [ 55.151914] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 55.163185] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 55.170188] ---[ end trace fe2f61b4f4498457 ]--- [ 55.175344] lkdtm: Saturation detected: still saturated # [ 46.217352] rewind_stack_and_make_dead+0x17/0x20 # [ 46.222603] RIP: 0033:0x7f9d83647833 # [ 46.226591] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 46.247574] RSP: 002b:00007ffe796339f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 46.256020] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f9d83647833 # [ 46.263987] RDX: 0000000000000014 RSI: 00007f9d8353a000 RDI: 0000000000000001 # [ 46.271956] RBP: 00007f9d8353a000 R08: 00007f9d83539010 R09: 0000000000000000 # [ 46.279926] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 46.287896] 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 # [ 46.414157] lkdtm: Performing direct entry WRITE_KERN # [ 46.425904] lkdtm: attempting bad 6642790 byte write at ffffffff9e93a946 # [ 46.433411] BUG: unable to handle page fault for address: ffffffff9e93a946 # [ 46.447292] #PF: superviso[ 55.298925] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED r write access in kernel mode # [ 46.453127] #PF: error_code([ 55.306964] lkdtm: attempting bad refcount_add_not_zero() from saturated 0x0003) - permissions violation # [ 46.465563] PGD 49e29067 P[ 55.320705] ------------[ cut here ]------------ 4D 49e29067 PUD 49e2a063 PMD 490000e1 # [ 46.478490] Oops: 0[ 55.332107] refcount_t: saturated; leaking memory. 003 [#16] SMP PTI # [ 46.482482] CPU: 2 PID: 1939 Comm: cat T[ 55.343693] WARNING: CPU: 0 PID: 2440 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 ainted: G D W 5.10.167-cip26 #1 # [ 46.491131] H[ 55.359321] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 46.4[ 55.391976] CPU: 0 PID: 2440 Comm: cat Tainted: G D W 5.10.167-cip26 #1 97938] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 46.503091] Co[ 55.406838] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 de: 53 48 c7 c3 46 a9 93 9e 49 89 dc 48 89 da 49 81 ec e0 4c 2e [ 55.419917] RIP: 0010:refcount_warn_saturate+0x97/0x110 9e 4c 89 e6 e8 bf 97 fd ff 48 89 df 4c 89 e1 48 c7 c6 e0 4c 2e 9[ 55.431985] Code: 01 01 e8 5e f4 94 00 0f 0b c3 cc cc cc cc 80 3d 41 ec 93 01 00 75 a8 48 c7 c7 30 dc 44 9f c6 05 31 ec 93 01 01 e8 3b f4 94 00 <0f> 0b c3 cc cc cc cc 80 3d 1b ec 93 01 00 75 85 48 c7 c7 88 dc 44 e a4 48 c7 c7 90 33 4b 9f e8 a4 97 fd ff 5b 41 5c e9 b7 fe [ 55.459199] RSP: 0018:ffffb43782e7fe38 EFLAGS: 00010282 ff ff # [ 46.524076] RSP: 0018:ffffb4378272fe50 EFLAGS: 00010[ 55.471262] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 246 # [ 46.529911] RAX: 000000000000003c RBX: ffffffff9e93a94[ 55.485484] RDX: ffff9c1cbac2c660 RSI: ffff9c1cbac1bf70 RDI: ffff9c1cbac1bf70 6 RCX: 0000000000655c66 # [ 46.537881] RDX: 0000000000000000 [ 55.499652] RBP: ffffffff9f4b2298 R08: 0000000000000000 R09: 0000000000000000 RSI: ffffffff9e2e4ce0 RDI: ffffffff9e93a946 # [ 46.545849] RB[ 55.513928] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 P: ffffffff9f4b259a R08: 0000000000000000 R09: 0000000000000000 [ 55.528147] R13: ffffb43782e7ff10 R14: ffffb43782e7ff10 R15: ffff9c1c46110000 # [ 46.553826] R10: 00000000ffffe000 R11: 3fffffffffffffff R1[ 55.542332] FS: 00007fd31c12e580(0000) GS:ffff9c1cbac00000(0000) knlGS:0000000000000000 2: 0000000000655c66 # [ 46.561797] R13: ffffb4378272ff10 R14:[ 55.557608] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ffffb4378272ff10 R15: ffff9c1c432f8000 # [ 46.569767] FS: 0[ 55.570277] CR2: 00007fd31bf37000 CR3: 0000000103120002 CR4: 00000000003706f0 0007f8b46cbc580(0000) GS:ffff9c1cbad00000(0000) knlGS:0000000000[ 55.584491] Call Trace: 000000 # [ 46.578826] CS: 0010 DS: 0000 ES: 0000 CR0: 000000[ 55.593469] __refcount_add_not_zero.constprop.0+0x2a/0x35 0080050033 # [ 46.585241] CR2: ffffffff9e93a946 CR3: 00000001[ 55.605872] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 0323e005 CR4: 00000000003706e0 # [ 46.593209] Call Trace: # [ 55.618440] direct_entry.cold+0x2c/0x38 [ 46.595938] direct_entry.cold+0x2c/0x38 # [ 46.600317] f[ 55.629053] full_proxy_write+0x53/0x80 ull_proxy_write+0x53/0x80 # [ 46.604598] vfs_write+0xe7/0x3a[ 55.639624] vfs_write+0xe7/0x3a0 0 # [ 46.608287] ksys_write+0x68/0xf0 # [ 46.611985] do_[ 55.649496] ksys_write+0x68/0xf0 syscall_64+0x30/0x40 # [ 46.615966] entry_SYSCALL_64_after_h[ 55.659403] do_syscall_64+0x30/0x40 wframe+0x61/0xc6 # [ 46.621597] RIP: 0033:0x7f8b46bd2833 # [[ 55.669594] entry_SYSCALL_64_after_hwframe+0x61/0xc6 46.625584] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff[ 55.681495] RIP: 0033:0x7fd31c044833 ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 [ 55.691669] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83[ 55.718863] RSP: 002b:00007fff37866198 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ec 28 48 89 54 24 18 # [ 46.646568] RSP: 002b:00007ffea1edbf[ 55.733524] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fd31c044833 08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 46.655017][ 55.747702] RDX: 0000000000000020 RSI: 00007fd31bf37000 RDI: 0000000000000001 RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f8b46bd28[ 55.761926] RBP: 00007fd31bf37000 R08: 00007fd31bf36010 R09: 0000000000000000 [ 55.776102] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 33 # [ 46.662986] RDX: 000000000000000b RSI: 00007f8b46ac5000[ 55.784084] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 RDI: 0000000000000001 # [ 46.670956] RBP: 00007f8b46ac5000 R[ 55.798317] irq event stamp: 0 08: 00007f8b46ac4010 R09: 0000000000000000 # [ 46.678925] R10[ 55.807929] hardirqs last enabled at (0): [<0000000000000000>] 0x0 : fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 55.821149] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 46.686895] R13: 0000000000000001 R14: 0000000000020000 R15[ 55.836507] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 : 0000000000020000 # [ 46.694882] Modules linked in: fuse ip_[ 55.851907] softirqs last disabled at (0): [<0000000000000000>] 0x0 tables cros_ec_sensors cros_ec_sensors_core industrialio_trigger[ 55.865161] ---[ end trace fe2f61b4f4498458 ]--- ed_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs [ 55.876554] lkdtm: Saturation detected: still saturated cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 46.721335] CR2: ffffffff9e93a946 # [ 46.731244] ---[ end trace fe2f61b4f4498449 ]--- # [ 46.736399] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 46.740774] Code: 89 ff e8 ce 62 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 40 3d 92 02 # [ 46.761757] RSP: 0018:ffffb4378133fe60 EFLAGS: 00010282 # [ 46.767591] RAX: ffffffff9e2e4910 RBX: 0000000000000001 RCX: 0000000000000000 # [ 46.775560] RDX: 0000000000000000 RSI: ffff9c1cbad1bf70 RDI: ffffffff9f0d1110 # [ 46.783530] RBP: ffffffff9f50db00 R08: 0000000000000001 R09: 0000000000000001 # [ 46.791499] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 46.799469] R13: ffffb4378133ff10 R14: ffffb4378133ff10 R15: ffff9c1c43ce9000 # [ 46.807439] FS: 00007f8b46cbc580(0000) GS:ffff9c1cbad00000(0000) knlGS:0000000000000000 # [ 46.816477] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.822892] CR2: ffffffff9e93a946 CR3: 000000010323e005 CR4: 00000000003706e0 # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # [ 46.939764] lkdtm: Perform[ 56.015290] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED [ 56.026847] lkdtm: attempting bad refcount_dec_and_test() from saturated [ 56.034362] ------------[ cut here ]------------ [ 56.039530] refcount_t: underflow; use-after-free. [ 56.044912] WARNING: CPU: 2 PID: 2475 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 ing direct entry REFCOUNT_INC_OVERFLOW # [ 46.949514] lkdtm: [ 56.054353] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 56.086993] CPU: 2 PID: 2475 Comm: cat Tainted: G D W 5.10.167-cip26 #1 attempting good refcount_inc() without overflow # [ 46.956454[ 56.095677] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 ] lkdtm: attempting bad refcount_inc() overflow # [ 46.962515[ 56.108702] RIP: 0010:refcount_warn_saturate+0xba/0x110 ] ------------[ cut here ]------------ # [ 46.967671] refcoun[ 56.120756] Code: 01 01 e8 3b f4 94 00 0f 0b c3 cc cc cc cc 80 3d 1b ec 93 01 00 75 85 48 c7 c7 88 dc 44 9f c6 05 0b ec 93 01 01 e8 18 f4 94 00 <0f> 0b c3 cc cc cc cc 80 3d f6 eb 93 01 00 0f 85 5e ff ff ff 48 c7 [ 56.147965] RSP: 0018:ffffb43782effe40 EFLAGS: 00010286 [ 56.153837] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 t_t: saturated; leaking memory. # [ 46.973052] WARNING: CPU: [ 56.161821] RDX: ffff9c1cbad2c660 RSI: ffff9c1cbad1bf70 RDI: ffff9c1cbad1bf70 [ 56.176030] RBP: ffffffff9f4b22b8 R08: 0000000000000000 R09: 0000000000000000 3 PID: 1974 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x1[ 56.184022] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 56.198200] R13: ffffb43782efff10 R14: ffffb43782efff10 R15: ffff9c1c43c46000 [ 56.206178] FS: 00007fb3bb3ea580(0000) GS:ffff9c1cbad00000(0000) knlGS:0000000000000000 [ 56.215221] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.221642] CR2: 00007fb3bb1f3000 CR3: 0000000103bb8003 CR4: 00000000003706e0 [ 56.229616] Call Trace: [ 56.232350] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 56.238511] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 [ 56.244881] direct_entry.cold+0x2c/0x38 [ 56.249264] full_proxy_write+0x53/0x80 [ 56.253583] vfs_write+0xe7/0x3a0 [ 56.257290] ksys_write+0x68/0xf0 [ 56.260996] do_syscall_64+0x30/0x40 [ 56.265020] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 56.270665] RIP: 0033:0x7fb3bb300833 [ 56.274658] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 56.295651] RSP: 002b:00007ffe3e371a58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.304118] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fb3bb300833 [ 56.312094] RDX: 0000000000000020 RSI: 00007fb3bb1f3000 RDI: 0000000000000001 [ 56.320067] RBP: 00007fb3bb1f3000 R08: 00007fb3bb1f2010 R09: 0000000000000000 [ 56.328042] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 56.336016] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 56.344013] irq event stamp: 0 10 # [ 46.982488] Modules linked in: fuse ip_tables cros_ec_s[ 56.347430] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 56.360647] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 ensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_[ 56.369833] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 56.385192] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 56.392194] ---[ end trace fe2f61b4f4498459 ]--- buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs [ 56.397352] lkdtm: Saturation detected: still saturated cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 47.015127] CPU: 3 PID: 1974 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # [ 47.023819] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 47.030638] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 47.042685] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 86 ec 93 01 00 75 ee 48 c7 c7 30 dc 44 9f c6 05 76 ec 93 01 01 e8 81 f4 94 00 <0f> 0b c3 cc cc cc cc 80 3d 62 ec 93 01 00 75 cb 48 c7 c7 58 dc 44 # [ 47.063670] RSP: 0018:ffffb437827a7e48 EFLAGS: 00010286 # [ 47.069507] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 # [ 47.077480] RDX: ffff9c1cbadac660 RSI: ffff9c1cbad9bf70 RDI: ffff9c1cbad9bf70 # [ 47.085452] RBP: ffffffff9f4b25a5 R08: 0000000000000000 R09: 0000000000000000 # [ 47.093429] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 47.107617] R13: ffffb437827a7f10 R14: ffffb437827a7f10 R15: ffff9c1c42752000 # [ 47.121807] FS: 00007f4b50d4e580(0000) GS:ffff9c1cbad80000(0000) knlGS:0000000000000000 # [ 47.137065] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.143517] CR2: 00007f4b50b57000 CR3: 0000000103b4c006 CR4: 00000000003706e0 # [ 47.157723] Call Trace: # [ 47.160467] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 # [ 47.172025] direct_entry.cold+0x2c/0x38 # [ 47.176463][ 56.542667] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED full_proxy_write+0x53/0x80 # [ 47.186984] vfs_write+0xe7/0[ 56.553953] lkdtm: attempting bad refcount_sub_and_test() from saturated x3a0 # [ 47.190687] ksys_write+0x68/0xf0 # [ 47.200597] [ 56.567692] ------------[ cut here ]------------ do_syscall_64+0x30/0x40 # [ 47.204590] entry_SYSCALL_64_afte[ 56.579059] refcount_t: underflow; use-after-free. r_hwframe+0x61/0xc6 # [ 47.210231] RIP: 0033:0x7f4b50c64833 [ 56.590637] WARNING: CPU: 0 PID: 2510 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 47.214223] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0[ 56.606251] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 [ 56.638935] CPU: 0 PID: 2510 Comm: cat Tainted: G D W 5.10.167-cip26 #1 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48[ 56.653800] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 83 ec 28 48 89 54 24 18 # [ 47.235206] RSP: 002b:00007fff2ad[ 56.666831] RIP: 0010:refcount_warn_saturate+0xba/0x110 28af8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 47.2436[ 56.678852] Code: 01 01 e8 3b f4 94 00 0f 0b c3 cc cc cc cc 80 3d 1b ec 93 01 00 75 85 48 c7 c7 88 dc 44 9f c6 05 0b ec 93 01 01 e8 18 f4 94 00 <0f> 0b c3 cc cc cc cc 80 3d f6 eb 93 01 00 0f 85 5e ff ff ff 48 c7 64] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f4b50c[ 56.706077] RSP: 0018:ffffb43782f6fe40 EFLAGS: 00010286 64833 # [ 47.251637] RDX: 0000000000000016 RSI: 00007f4b50b57[ 56.718162] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 000 RDI: 0000000000000001 # [ 47.259607] RBP: 00007f4b50b5700[ 56.732318] RDX: ffff9c1cbac2c660 RSI: ffff9c1cbac1bf70 RDI: ffff9c1cbac1bf70 0 R08: 00007f4b50b56010 R09: 0000000000000000 # [ 47.267579] [ 56.746533] RBP: ffffffff9f4b22d8 R08: 0000000000000000 R09: 0000000000000000 R10: fffffffffffffbc5 R11: 0000000000000246 R12: 000000000000000[ 56.760713] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 1 # [ 47.275550] R13: 0000000000000001 R14: 0000000000020000 [ 56.774921] R13: ffffb43782f6ff10 R14: ffffb43782f6ff10 R15: ffff9c1c454c1000 R15: 0000000000020000 # [ 47.283527] irq event stamp: 0 # [ [ 56.789097] FS: 00007f4004cb3580(0000) GS:ffff9c1cbac00000(0000) knlGS:0000000000000000 47.286965] hardirqs last enabled at (0): [<0000000000000000>][ 56.804358] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0x0 # [ 47.293968] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 47.303105] softirqs [ 56.831187] Call Trace: last enabled at (0): [] copy_process+0x664/0x[ 56.840141] __refcount_sub_and_test.constprop.0+0x3c/0x50 1cb0 # [ 47.312242] softirqs last disabled at (0): [<00000000[ 56.852486] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 00000000>] 0x0 # [ 47.319243] ---[ end trace fe2f61b4f449844a[ 56.865028] direct_entry.cold+0x2c/0x38 ]--- # [ 47.324399] lkdtm: Overflow detected: saturated # R[ 56.875622] full_proxy_write+0x53/0x80 EFCOUNT_INC_OVERFLOW: saw 'call trace:': ok ok 42 selftests: lk[ 56.886121] vfs_write+0xe7/0x3a0 dtm: REFCOUNT_INC_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_[ 56.896034] ksys_write+0x68/0xf0 OVERFLOW.sh # [ 47.429419] lkdtm: Performing direct entry REF[ 56.905937] do_syscall_64+0x30/0x40 COUNT_ADD_OVERFLOW # [ 47.441876] lkdtm: attempting good refc[ 56.916136] entry_SYSCALL_64_after_hwframe+0x61/0xc6 ount_add() without overflow # [ 47.455024] lkdtm: attempting [ 56.928004] RIP: 0033:0x7f4004bc9833 bad refcount_add() overflow # [ 47.467244] ------------[ cut [ 56.938239] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 here ]------------ # [ 47.478617] refcount_t: saturated; leak[ 56.965441] RSP: 002b:00007fffd6e5c2c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ing memory. # [ 47.484000] WARNING: CPU: 1 PID: 2006 at lib/r[ 56.980111] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f4004bc9833 efcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 47.499619][ 56.994313] RDX: 0000000000000020 RSI: 00007f4004abc000 RDI: 0000000000000001 Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_senso[ 57.008524] RBP: 00007f4004abc000 R08: 00007f4004abb010 R09: 0000000000000000 rs_core industrialio_triggered_buffer kfifo_buf industrialio cro[ 57.022717] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 s_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros[ 57.036936] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 _ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify[ 57.051152] irq event stamp: 0 # [ 47.532262] CPU: 1 PID: 2006 Comm: cat Tainted: G D [ 57.060779] hardirqs last enabled at (0): [<0000000000000000>] 0x0 W 5.10.167-cip26 #1 # [ 47.547133] Hardware name: Goo[ 57.074020] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 gle Rammus/Rammus, BIOS 09/04/2020 # [ 47.560161] RIP: 0010:[ 57.089381] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 refcount_warn_saturate+0x51/0x110 # [ 47.572214] Code: 84 bc [ 57.104724] softirqs last disabled at (0): [<0000000000000000>] 0x0 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 86 ec 93 01 00 75 ee 4[ 57.117944] ---[ end trace fe2f61b4f449845a ]--- 8 c7 c7 30 dc 44 9f c6 05 76 ec 93 01 01 e8 81 f4 94 00 <0f> 0b [ 57.129359] lkdtm: Saturation detected: still saturated c3 cc cc cc cc 80 3d 62 ec 93 01 00 75 cb 48 c7 c7 58 dc 44 # [ 47.599423] RSP: 0018:ffffb4378283fe48 EFLAGS: 00010286 # [ 47.611478] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 47.625669] RDX: ffff9c1cbacac660 RSI: ffff9c1cbac9bf70 RDI: ffff9c1cbac9bf70 # [ 47.639906] RBP: ffffffff9f4b25bb R08: 0000000000000000 R09: 0000000000000000 # [ 47.654094] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 47.668285] R13: ffffb4378283ff10 R14: ffffb4378283ff10 R15: ffff9c1c440c5000 # [ 47.682477] FS: 00007fa8e50d5580(0000) GS:ffff9c1cbac80000(0000) knlGS:0000000000000000 # [ 47.697737] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.710373] CR2: 00007fa8e4ede000 CR3: 0000000103d48005 CR4: 00000000003706e0 # [ 47.724563] Call Trace: # [ 47.733513] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 47.745082] direct_entry.cold+0x2c/0x38 # [ 47.755683] full_proxy_write+0x53/0x80 # [ 47.766200] vfs_write+0xe7/0x3a0 # [ 47.776099] ksys_write+0x68/0xf0 # [ 47.786015] do_syscall_64+0x30/0x40 # [ 47.796252] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 47.808111] RIP: 0033:0x7fa8e4feb833 # [ 47.818289] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 47.845493] RSP: 002b:00007fffe8b2abb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 47.860168] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fa8e4feb833 # [ 47.868144] RDX: 0000000000000016 RSI: 00007fa8e4ede000 RDI: 0000000000000001 # [ 47.882327] RBP: 00007fa8e4ede000 R08: 00007fa8e4edd010 R09: 0000000000000000 # [ 47.890304] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 47.904486] R13: 0000000000000001 R14: 0000000000020000 R15: 000000000002000[ 57.323123] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO [ 57.334590] lkdtm: attempting good copy_to_user of correct size 0 # [ 47.912482] irq event stamp: 0 # [ 47.922079] hardirq[ 57.341227] lkdtm: attempting bad copy_to_user of too large size s last enabled at (0): [<0000000000000000>] 0x0 # [ 47.929084] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 47.944430] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 47.953570] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 47.966781] ---[ end trace fe2f61b4f449844b ]--- # [ 47.971940] 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 # [ 48.109045] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 48.121374] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 48.134517] ------------[ cut here ]------------ # [ 48.145876] refcount_t: saturated; leaking memory. # [ 48.157468] WARNING: CPU: 0 PID: 2038 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 48.173151] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 48.205778] CPU: 0 PID: 2038 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # [ 48.220729] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.233760] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 48.245826] Code: 01 01 e8 5e f4 94 00 0f 0b c3 cc cc cc cc 80 3d 41 ec 93 01 00 75 a8 48 c7 c7 30 dc 44 9f c6 05 31 ec 93 01 01 e8 3b f4 94 00 <0f> 0b c3 cc cc cc cc 80 3d 1b ec 93 01 00 75 85 48 c7 c7 88 dc 44 # [ [ 57.515367] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM [ 57.522896] lkdtm: attempting good copy_from_user of correct size 48.273000] RSP: 0018:ffffb4378280fe38 EFLAGS: 00010282 # [ 4[ 57.529719] lkdtm: attempting bad copy_from_user of too large size 8.285055] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 48.299226] RDX: ffff9c1cbac2c660 RSI: ffff9c1cbac1bf70 RDI: ffff9c1cbac1bf70 # [ 48.313439] RBP: ffffffff9f4b21f8 R08: 0000000000000000 R09: 0000000000000000 # [ 48.327606] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 48.341827] R13: ffffb4378280ff10 R14: ffffb4378280ff10 R15: ffff9c1c428f1000 # [ 48.355985] FS: 00007f8037bae580(0000) GS:ffff9c1cbac00000(0000) knlGS:0000000000000000 # [ 48.371251] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.383875] CR2: 00007f80379b7000 CR3: 000000010619e006 CR4: 00000000003706f0 # [ 48.398075] Call Trace: # [ 48.407009] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 48.419368] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 48.431790] direct_entry.cold+0x2c/0x38 # [ 48.442388] full_proxy_write+0x53/0x80 # [ 48.452923] vfs_write+0xe7/0x3a0 # [ 48.462824] ksys_write+0x68/0xf0 # [ 48.472740] do_syscall_64+0x30/0x40 # [ 48.482938] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 48.494838] RIP: 0033:0x7f8037ac4833 # [ 48.505014] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 [ 57.664189] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48[ 57.674348] lkdtm: attempting good copy_to_user inside whitelist 89 54 24 18 # [ 48.532216] RSP: 002b:00007ffc619eb5f8 EFLAGS[ 57.687290] lkdtm: attempting bad copy_to_user outside whitelist : 00000246 ORIG_RAX: 0000000000000001 # [ 48.546889] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f8037ac4833 # [ 48.561069] RDX: 000000000000001f RSI: 00007f80379b7000 RDI: 0000000000000001 # [ 48.575254] RBP: 00007f80379b7000 R08: 00007f80379b6010 R09: 0000000000000000 # [ 48.589447] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 48.603669] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.617846] irq event stamp: 0 # [ 48.627495] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.640737] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 48.656092] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 48.671460] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.684695] ---[ end trace fe2f61b4f449844c ]--- # [ 48.696072] 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 # [ 48.812359] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 48.820583] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 48.82[ 57.822204] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM 7498] ------------[ cut here ]------------ # [ 48.832688] ref[ 57.831918] lkdtm: attempting good copy_from_user inside whitelist count_t: saturated; leaking memory. # [ 48.838103] WARNING: C[ 57.845056] lkdtm: attempting bad copy_from_user outside whitelist PU: 3 PID: 2070 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 48.847540] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 48.880178] CPU: 3 PID: 2070 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # [ 48.888862] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.901883] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 48.913935] Code: 01 01 e8 5e f4 94 00 0f 0b c3 cc cc cc cc 80 3d 41 ec 93 01 00 75 a8 48 c7 c7 30 dc 44 9f c6 05 31 ec 93 01 01 e8 3b f4 94 00 <0f> 0b c3 cc cc cc cc 80 3d 1b ec 93 01 00 75 85 48 c7 c7 88 dc 44 # [ 48.941139] RSP: 0018:ffffb43782917e38 EFLAGS: 00010282 # [ 48.947009] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 48.954984] RDX: ffff9c1cbadac660 RSI: ffff9c1cbad9bf70 RDI: ffff9c1cbad9bf70 # [ 48.962980] RBP: ffffffff9f4b2218 R08: 0000000000000000 R09: 0000000000000000 # [ 48.970970] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 48.985146] R13: ffffb43[ 57.973159] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO [ 57.983157] lkdtm: good_stack: ffffb4378323fe20-ffffb4378323fe40 [ 57.989921] lkdtm: bad_stack : ffffb4378323fda8-ffffb4378323fdc8 782917f10 R14: ffffb43782917f10 R15: ffff9c1c453ad000 # [ 48.[ 57.996640] lkdtm: attempting good copy_to_user of local stack [ 58.009397] lkdtm: attempting bad copy_to_user of distant stack 993121] FS: 00007f7f80c98580(0000) GS:ffff9c1cbad80000(0000) knlGS:0000000000000000 # [ 49.002162] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.008582] CR2: 00007f7f80aa1000 CR3: 0000000103bc2003 CR4: 00000000003706e0 # [ 49.016556] Call Trace: # [ 49.019292] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 49.025453] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 49.031710] direct_entry.cold+0x2c/0x38 # [ 49.036124] full_proxy_write+0x53/0x80 # [ 49.040441] vfs_write+0xe7/0x3a0 # [ 49.044173] ksys_write+0x68/0xf0 # [ 49.047887] do_syscall_64+0x30/0x40 # [ 49.051911] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 49.057556] RIP: 0033:0x7f7f80bae833 # [ 49.061579] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 49.082568] RSP: 002b:00007fff9bd70618 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.091049] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f7f80bae833 # [ 49.099023] RDX: 000000000000001f RSI: 00007f7f80aa1000 RDI: 0000000000000001 # [ 49.106997] RBP: 0[ 58.132733] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM 0007f7f80aa1000 R08: 00007f7f80aa0010 R09: 0000000000000000 # [[ 58.141210] lkdtm: good_stack: ffffb4378334fe20-ffffb4378334fe40 49.114971] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0[ 58.154153] lkdtm: bad_stack : ffffb4378334fda8-ffffb4378334fdc8 000000000000001 # [ 49.122945] R13: 0000000000000001 R14: 000[ 58.167107] lkdtm: attempting good copy_from_user of local stack 0000000020000 R15: 0000000000020000 # [ 49.130926] irq event [ 58.179989] lkdtm: attempting bad copy_from_user of distant stack stamp: 0 # [ 49.134363] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.147580] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 49.162934] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 49.178292] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.191513] ---[ end trace fe2f61b4f449844d ]--- # [ 49.202889] 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 # [ 49.370639] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 49.380863] lkdtm: attempting good refcount_dec() # [ 49.386145] lkdtm: attempting bad refcount_dec() to zero # [ 49.398292] ------------[ cut here ]------------ # [ 49.403461] refcount_t: decrement hit 0; leaking memory. # [ 49.409419] WARNING: CPU: 3 PID: 2102 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 49.418854] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_[ 58.311878] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND [ 58.324038] lkdtm: good_stack: ffffb437833afe20-ffffb437833afe40 [ 58.330764] lkdtm: bad_stack : ffffb437833afff8-ffffb437833b0018 usbpd_notify # [ 49.451501] CPU: 3 PID: 2102 Comm: cat Tainte[ 58.337496] lkdtm: attempting good copy_to_user of local stack [ 58.350239] lkdtm: attempting bad copy_to_user of distant stack d: G D W 5.10.167-cip26 #1 # [ 49.460173] Hardwa[ 58.356858] lkdtm: copy_to_user failed, but lacked Oops re name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.466980] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 49.472830] Code: e0 dc 44 9f c6 05 e2 eb 93 01 01 e8 f1 f3 94 00 0f 0b c3 cc cc cc cc 48 c7 c7 b0 dc 44 9f c6 05 c9 eb 93 01 01 e8 d7 f3 94 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 49.500028] RSP: 0018:ffffb4378297fe48 EFLAGS: 00010286 # [ 49.505889] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 49.513863] RDX: ffff9c1cbadac660 RSI: ffff9c1cbad9bf70 RDI: ffff9c1cbad9bf70 # [ 49.521839] RBP: ffffffff9f4b25d1 R08: 0000000000000000 R09: 0000000000000000 # [ 49.529832] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 49.544020] R13: ffffb4378297ff10 R14: ffffb4378297ff10 R15: ffff9c1c4528e000 # [ 49.551995] FS: 00007fb73614a580(0000) GS:ffff9c1cbad80000(0000) knlGS:0000000000000000 # [ 49.561036] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.567456] CR2: 00007fb735f53000 CR3: 00000001030b0004 CR4: 00000000003706e0 # [ 49.575428] Call Trace: # [ 49.578177] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 49.583150] direct_entry.cold+0x2c/0x38 # [ 49.593744] full_proxy[ 58.486881] lkdtm: Performing direct entry USERCOPY_KERNEL _write+0x53/0x80 # [ 49.598054] vfs_write+0xe7/0x3a0 # [ [ 58.493157] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff9f0d15b0 49.607965] ksys_write+0x68/0xf0 # [ 49.611693] do_syscall_6[ 58.508060] lkdtm: attempting bad copy_to_user from kernel text: ffffffff9dce3b20 4+0x30/0x40 # [ 49.615717] entry_SYSCALL_64_after_hwframe+0x[ 58.522611] lkdtm: FAIL: survived bad copy_to_user() 61/0xc6 # [ 49.621385] RIP: 0033:0x7fb736060833 # [ 49.625376] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 49.646364] RSP: 002b:00007fff890d9d48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.654852] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fb736060833 # [ 49.669043] RDX: 0000000000000012 RSI: 00007fb735f53000 RDI: 0000000000000001 # [ 49.683233] RBP: 00007fb735f53000 R08: 00007fb735f52010 R09: 0000000000000000 # [ 49.691207] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 49.699181] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.707177] irq event stamp: 0 # [ 49.710597] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.723837] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 49.732983] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 49.748327] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.755327] ---[ end trace fe2f61b4f449844e ]--- # [ 49.760482] lkdtm: Zero detected: saturated # REFCOUNT_DEC_ZERO[ 58.655040] lkdtm: Performing direct entry STACKLEAK_ERASING : saw 'call trace:': ok ok 46 selftests: lkdtm: REFCOUNT_DEC_ZE[ 58.665015] lkdtm: checking unused part of the thread stack (15928 bytes)... RO.sh # selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # [ 49.87[ 58.679145] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) 5705] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ [ 58.693121] lkdtm: FAIL: the thread stack is NOT properly erased 49.883812] lkdtm: attempting bad refcount_dec() below zero # [ 58.706043] CPU: 0 PID: 2875 Comm: cat Tainted: G D W 5.10.167-cip26 #1 [ 58.720887] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.727683] Call Trace: [ 58.730414] dump_stack+0x77/0x9b [ 58.734120] lkdtm_STACKLEAK_ERASING+0x116/0x144 [ 58.739281] direct_entry.cold+0x2c/0x38 [ 58.743661] full_proxy_write+0x53/0x80 [ 58.747949] vfs_write+0xe7/0x3a0 [ 58.751652] ksys_write+0x68/0xf0 [ 58.755351] do_syscall_64+0x30/0x40 [ 58.759346] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 58.764985] RIP: 0033:0x7f44944f1833 [ 58.768974] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 58.789959] RSP: 002b:00007ffdd36316d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.798417] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f44944f1833 [ 58.806379] RDX: 0000000000000012 RSI: 00007f44943e4000 RDI: 0000000000000001 [ 58.814348] RBP: 00007f44943e4000 R08: 00007f44943e3010 R09: 0000000000000000 [ 58.822318] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 58.830288] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 49.896267] ------------[ cut here ]------------ # [ 49.907621] refcount_t: decrement hit 0; leaking memory. # [ 49.919780] WARNING: CPU: 1 PID: 2137 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 49.935412] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 49.968053] CPU: 1 PID: 2137 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # [ 49.982924] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.995947] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 50.007999] Code: e0 dc 44 9f c6 05 e2 eb 93 01 01 e8 f1 f3 94 00 0f 0b c3 cc cc cc cc 48 c7 c7 b0 dc 44 9f c6 05 c9 eb 93 01 01 e8 d7 f3 94 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 50.035208] RSP: 0018:ffffb43782a07e48 EFLAGS: 00010286 # [ 50.047262] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 50.061456] RDX: ffff9c1cbacac660 RSI: ffff9c1cbac9bf70 RDI: ffff9c1cbac9bf70 # [ 50.075652] RBP: ffffffff9f4b25e3 R08: 0000000000000000 R09: 0000000000000000 # [ 50.089839] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 50.104030] R13: ffffb43782a07f10 R14: ffffb43782a07f10 R15: ffff9c1c4274[ 58.971577] lkdtm: Performing direct entry CFI_FORWARD_PROTO f000 # [ 50.118223] FS: 00007fdd63adf580(0000) GS:ffff9c1cba[ 58.981324] lkdtm: Calling matched prototype ... c80000(0000) knlGS:0000000000000000 # [ 50.133482] CS: 0010 [ 58.992701] lkdtm: Calling mismatched prototype ... DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.146123] CR2: 0[ 59.004361] lkdtm: Fail: survived mismatched prototype function call! 0007fdd638e8000 CR3: 000000010277a002 CR4: 00000000003706e0 # [ 50.160312] Call Trace: # [ 50.169264] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 50.180833] direct_entry.cold+0x2c/0x38 # [ 50.191432] full_proxy_write+0x53/0x80 # [ 50.201933] vfs_write+0xe7/0x3a0 # [ 50.211852] ksys_write+0x68/0xf0 # [ 50.221769] do_syscall_64+0x30/0x40 # [ 50.231983] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 50.243844] RIP: 0033:0x7fdd639f5833 # [ 50.254053] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 50.281264] RSP: 002b:00007ffe7a470658 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.295938] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fdd639f5833 # [ 50.310133] RDX: 0000000000000016 RSI: 00007fdd638e8000 RDI: 0000000000000001 # [ 50.324320] RBP: 00007fdd638e8000 R08: 00007fdd638e7010 R09: 0000000000000000 # [ 50.338511] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 50.352710] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 50.366903] irq event stamp: 0 # [ 50.376521] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 50.389741] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 50.405096] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 50.420451] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 50.433670] ---[ end trace fe2f61b4f449844f ]--- # [ 50.445044] 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 # [ 50.570660] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 50.582024] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 50.595352] ------------[ cut here ]------------ # [ 50.606717] refcount_t: underflow; use-after-free. # [ 50.618308] WARNING: CPU: 1 PID: 2172 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 50.633921] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 50.666585] CPU: 1 PID: 2172 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # [ 50.681432] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.694453] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 50.706504] Code: 01 01 e8 3b f4 94 00 0f 0b c3 cc cc cc cc 80 3d 1b ec 93 01 00 75 85 48 c7 c7 88 dc 44 9f c6 05 0b ec 93 01 01 e8 18 f4 94 00 <0f> 0b c3 cc cc cc cc 80 3d f6 eb 93 01 00 0f 85 5e ff ff ff 48 c7 # [ 50.733704] RSP: 0018:ffffb43782a67e40 EFLAGS: 00010286 # [ 50.745758] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 50.753733] RDX: ffff9c1cbacac660 RSI: ffff9c1cbac9bf70 RDI: ffff9c1cbac9bf70 # [ 50.767916] RBP: ffffffff9f4b2238 R08: 0000000000000000 R09: 0000000000000000 # [ 50.775892] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 50.790075] R13: ffffb43782a67f10 R14: ffffb43782a67f10 R15: ffff9c1c45769000 # [ 50.798050] FS: 00007f02ad8e6580(0000) GS:ffff9c1cbac80000(0000) knlGS:0000000000000000 # [ 50.813298] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.819717] CR2: 00007f02ad6ef000 CR3: 0000000102646003 CR4: 00000000003706e0 # [ 50.833901] Call Trace: # [ 50.836634] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 50.848971] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 50.861414] direct_entry.cold+0x2c/0x38 # [ 50.872011] full_proxy_write+0x53/0x80 # [ 50.882514] vfs_write+0xe7/0x3a0 # [ 50.892430] ksys_write+0x68/0xf0 # [ 50.902350] do_syscall_64+0x30/0x40 # [ 50.912557] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 50.924416] RIP: 0033:0x7f02ad7fc833 # [ 50.934626] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 50.961833] RSP: 002b:00007ffce44df5a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.976509] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f02ad7fc833 # [ 50.984485] RDX: 000000000000001f RSI: 00007f02ad6ef000 RDI: 0000000000000001 # [ 50.998667] RBP: 00007f02ad6ef000 R08: 00007f02ad6ee010 R09: 0000000000000000 # [ 51.006643] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.020831] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.035043] irq event stamp: 0 # [ 51.044647] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 51.051653] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 51.067004] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 51.082364] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 51.095585] ---[ end trace fe2f61b4f4498450 ]--- # [ 51.106961] 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 # [ 51.234205] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 51.243942] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 51.251076] ------------[ cut here ]------------ # [ 51.256259] refcount_t: underflow; use-after-free. # [ 51.267825] WARNING: CPU: 3 PID: 2207 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 51.283453] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 51.309920] CPU: 3 PID: 2207 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # [ 51.324783] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.331592] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 51.337431] Code: 01 01 e8 3b f4 94 00 0f 0b c3 cc cc cc cc 80 3d 1b ec 93 01 00 75 85 48 c7 c7 88 dc 44 9f c6 05 0b ec 93 01 01 e8 18 f4 94 00 <0f> 0b c3 cc cc cc cc 80 3d f6 eb 93 01 00 0f 85 5e ff ff ff 48 c7 # [ 51.358442] RSP: 0018:ffffb43782affe40 EFLAGS: 00010286 # [ 51.364280] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 51.372255] RDX: ffff9c1cbadac660 RSI: ffff9c1cbad9bf70 RDI: ffff9c1cbad9bf70 # [ 51.380229] RBP: ffffffff9f4b2258 R08: 0000000000000000 R09: 0000000000000000 # [ 51.388203] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 51.396177] R13: ffffb43782afff10 R14: ffffb43782afff10 R15: ffff9c1c4121f000 # [ 51.404152] FS: 00007f88642a3580(0000) GS:ffff9c1cbad80000(0000) knlGS:0000000000000000 # [ 51.413194] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.419613] CR2: 00007f88640ac000 CR3: 0000000103104001 CR4: 00000000003706e0 # [ 51.427586] Call Trace: # [ 51.430318] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 51.436478] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b # [ 51.442732] direct_entry.cold+0x2c/0x38 # [ 51.447138] full_proxy_write+0x53/0x80 # [ 51.451452] vfs_write+0xe7/0x3a0 # [ 51.455177] ksys_write+0x68/0xf0 # [ 51.458880] do_syscall_64+0x30/0x40 # [ 51.462881] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 51.468525] RIP: 0033:0x7f88641b9833 # [ 51.472516] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 51.493503] RSP: 002b:00007ffd7ef5ae58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.501960] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f88641b9833 # [ 51.509935] RDX: 000000000000001f RSI: 00007f88640ac000 RDI: 0000000000000001 # [ 51.517907] RBP: 00007f88640ac000 R08: 00007f88640ab010 R09: 0000000000000000 # [ 51.525879] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.533853] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.548048] irq event stamp: 0 # [ 51.557668] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 51.564694] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 51.573835] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 51.582978] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 51.596189] ---[ end trace fe2f61b4f4498451 ]--- # [ 51.601346] 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 # [ 51.715955] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 51.724641] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 51.737961] lkdtm: Good: zero detected # [ 51.748360] lkdtm: Correctly stayed at zero # [ 51.753033] lkdtm: attempting bad refcount_inc() from zero # [ 51.765372] ------------[ cut here ]------------ # [ 51.776746] refcount_t: addition on 0; use-after-free. # [ 51.788732] WARNING: CPU: 1 PID: 2239 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 51.804350] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 51.836999] CPU: 1 PID: 2239 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # [ 51.851872] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.864897] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 51.876950] Code: 01 01 e8 81 f4 94 00 0f 0b c3 cc cc cc cc 80 3d 62 ec 93 01 00 75 cb 48 c7 c7 58 dc 44 9f c6 05 52 ec 93 01 01 e8 5e f4 94 00 <0f> 0b c3 cc cc cc cc 80 3d 41 ec 93 01 00 75 a8 48 c7 c7 30 dc 44 # [ 51.904178] RSP: 0018:ffffb43782b5fe48 EFLAGS: 00010286 # [ 51.916228] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 51.930393] RDX: ffff9c1cbacac660 RSI: ffff9c1cbac9bf70 RDI: ffff9c1cbac9bf70 # [ 51.944581] RBP: ffffffff9f4b25f9 R08: 0000000000000000 R09: 0000000000000000 # [ 51.958770] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 51.972958] R13: ffffb43782b5ff10 R14: ffffb43782b5ff10 R15: ffff9c1c45534000 # [ 51.980934] FS: 00007f24b4ee2580(0000) GS:ffff9c1cbac80000(0000) knlGS:0000000000000000 # [ 51.996185] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.002606] CR2: 00007f24b4ceb000 CR3: 00000001040c0002 CR4: 00000000003706e0 # [ 52.016794] Call Trace: # [ 52.025740] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 52.036923] direct_entry.cold+0x2c/0x38 # [ 52.047518] full_proxy_write+0x53/0x80 # [ 52.058018] vfs_write+0xe7/0x3a0 # [ 52.067938] ksys_write+0x68/0xf0 # [ 52.077890] do_syscall_64+0x30/0x40 # [ 52.088106] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 52.099966] RIP: 0033:0x7f24b4df8833 # [ 52.105123] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 52.126112] RSP: 002b:00007ffdd5fd6458 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.140780] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f24b4df8833 # [ 52.148754] RDX: 0000000000000012 RSI: 00007f24b4ceb000 RDI: 0000000000000001 # [ 52.156730] RBP: 00007f24b4ceb000 R08: 00007f24b4cea010 R09: 0000000000000000 # [ 52.164704] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 52.172678] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 52.180664] irq event stamp: 0 # [ 52.184076] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 52.197291] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 52.206437] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 52.215577] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 52.222583] ---[ end trace fe2f61b4f4498452 ]--- # [ 52.227741] 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 # [ 52.350685] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 52.363046] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 52.376363] lkdtm: Good: zero detected # [ 52.386759] lkdtm: Correctly stayed at zero # [ 52.391432] lkdtm: attempting bad refcount_add() from zero # [ 52.403773] ------------[ cut here ]------------ # [ 52.415145] refcount_t: addition on 0; use-after-free. # [ 52.420916] WARNING: CPU: 1 PID: 2271 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 52.436528] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 52.469174] CPU: 1 PID: 2271 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # [ 52.484043] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.497073] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 52.509122] Code: 01 01 e8 81 f4 94 00 0f 0b c3 cc cc cc cc 80 3d 62 ec 93 01 00 75 cb 48 c7 c7 58 dc 44 9f c6 05 52 ec 93 01 01 e8 5e f4 94 00 <0f> 0b c3 cc cc cc cc 80 3d 41 ec 93 01 00 75 a8 48 c7 c7 30 dc 44 # [ 52.536328] RSP: 0018:ffffb43782bd7e48 EFLAGS: 00010286 # [ 52.548405] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 52.562577] RDX: ffff9c1cbacac660 RSI: ffff9c1cbac9bf70 RDI: ffff9c1cbac9bf70 # [ 52.576764] RBP: ffffffff9f4b260b R08: 0000000000000000 R09: 0000000000000000 # [ 52.590955] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 52.605145] R13: ffffb43782bd7f10 R14: ffffb43782bd7f10 R15: ffff9c1c43d4f000 # [ 52.619337] FS: 00007f321b15e580(0000) GS:ffff9c1cbac80000(0000) knlGS:0000000000000000 # [ 52.634595] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.647231] CR2: 00007f321af67000 CR3: 0000000103124002 CR4: 00000000003706e0 # [ 52.661421] Call Trace: # [ 52.664155] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 52.675325] direct_entry.cold+0x2c/0x38 # [ 52.685922] full_proxy_write+0x53/0x80 # [ 52.696421] vfs_write+0xe7/0x3a0 # [ 52.706336] ksys_write+0x68/0xf0 # [ 52.716254] do_syscall_64+0x30/0x40 # [ 52.726461] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 52.738320] RIP: 0033:0x7f321b074833 # [ 52.748528] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 52.775732] RSP: 002b:00007ffe0e0db828 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.790412] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f321b074833 # [ 52.804603] RDX: 0000000000000012 RSI: 00007f321af67000 RDI: 0000000000000001 # [ 52.818795] RBP: 00007f321af67000 R08: 00007f321af66010 R09: 0000000000000000 # [ 52.833010] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 52.847202] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 52.861400] irq event stamp: 0 # [ 52.871020] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 52.884242] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 52.899596] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 52.914950] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 52.928167] ---[ end trace fe2f61b4f4498453 ]--- # [ 52.939540] 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 # [ 53.063930] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 53.075509] lkdtm: attempting bad refcount_inc() from saturated # [ 53.082157] ------------[ cut here ]------------ # [ 53.087348] refcount_t: saturated; leaking memory. # [ 53.098925] WARNING: CPU: 3 PID: 2306 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 53.114563] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 53.141038] CPU: 3 PID: 2306 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # [ 53.155895] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.162728] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 53.168565] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 86 ec 93 01 00 75 ee 48 c7 c7 30 dc 44 9f c6 05 76 ec 93 01 01 e8 81 f4 94 00 <0f> 0b c3 cc cc cc cc 80 3d 62 ec 93 01 00 75 cb 48 c7 c7 58 dc 44 # [ 53.189552] RSP: 0018:ffffb43782c6fe48 EFLAGS: 00010286 # [ 53.195389] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 53.203362] RDX: ffff9c1cbadac660 RSI: ffff9c1cbad9bf70 RDI: ffff9c1cbad9bf70 # [ 53.211336] RBP: ffffffff9f4b261d R08: 0000000000000000 R09: 0000000000000000 # [ 53.219308] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 53.227278] R13: ffffb43782c6ff10 R14: ffffb43782c6ff10 R15: ffff9c1c461a3000 # [ 53.235252] FS: 00007fccfa740580(0000) GS:ffff9c1cbad80000(0000) knlGS:0000000000000000 # [ 53.244293] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.250713] CR2: 00007fccfa549000 CR3: 0000000103120002 CR4: 00000000003706e0 # [ 53.258684] Call Trace: # [ 53.261415] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 53.266884] direct_entry.cold+0x2c/0x38 # [ 53.271289] full_proxy_write+0x53/0x80 # [ 53.275595] vfs_write+0xe7/0x3a0 # [ 53.279319] ksys_write+0x68/0xf0 # [ 53.283020] do_syscall_64+0x30/0x40 # [ 53.287012] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 53.292655] RIP: 0033:0x7fccfa656833 # [ 53.296645] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 53.317633] RSP: 002b:00007ffeef2c0c98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 53.326092] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fccfa656833 # [ 53.334064] RDX: 0000000000000017 RSI: 00007fccfa549000 RDI: 0000000000000001 # [ 53.342035] RBP: 00007fccfa549000 R08: 00007fccfa548010 R09: 0000000000000000 # [ 53.350007] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 53.357981] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 53.372176] irq event stamp: 0 # [ 53.381796] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 53.388833] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 53.397980] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 53.413329] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 53.420332] ---[ end trace fe2f61b4f4498454 ]--- # [ 53.425487] 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 # [ 53.545546] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 53.556437] lkdtm: attempting bad refcount_dec() from saturated # [ 53.569287] ------------[ cut here ]------------ # [ 53.580639] refcount_t: decrement hit 0; leaking memory. # [ 53.586604] WARNING: CPU: 1 PID: 2341 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 53.602216] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 53.634862] CPU: 1 PID: 2341 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # [ 53.649753] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.662781] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 53.674837] Code: e0 dc 44 9f c6 05 e2 eb 93 01 01 e8 f1 f3 94 00 0f 0b c3 cc cc cc cc 48 c7 c7 b0 dc 44 9f c6 05 c9 eb 93 01 01 e8 d7 f3 94 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 53.702068] RSP: 0018:ffffb43782cd7e48 EFLAGS: 00010286 # [ 53.714100] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 53.728287] RDX: ffff9c1cbacac660 RSI: ffff9c1cbac9bf70 RDI: ffff9c1cbac9bf70 # [ 53.736263] RBP: ffffffff9f4b2634 R08: 0000000000000000 R09: 0000000000000000 # [ 53.750445] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 53.758421] R13: ffffb43782cd7f10 R14: ffffb43782cd7f10 R15: ffff9c1c45527000 # [ 53.772604] FS: 00007f23ec852580(0000) GS:ffff9c1cbac80000(0000) knlGS:0000000000000000 # [ 53.781648] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.794277] CR2: 00007f23ec65b000 CR3: 000000010507a003 CR4: 00000000003706e0 # [ 53.802252] Call Trace: # [ 53.811194] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 53.822874] direct_entry.cold+0x2c/0x38 # [ 53.833502] full_proxy_write+0x53/0x80 # [ 53.844004] vfs_write+0xe7/0x3a0 # [ 53.853922] ksys_write+0x68/0xf0 # [ 53.863840] do_syscall_64+0x30/0x40 # [ 53.874050] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 53.885911] RIP: 0033:0x7f23ec768833 # [ 53.896120] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 53.923328] RSP: 002b:00007ffd21c71398 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 53.938006] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f23ec768833 # [ 53.945983] RDX: 0000000000000017 RSI: 00007f23ec65b000 RDI: 0000000000000001 # [ 53.960171] RBP: 00007f23ec65b000 R08: 00007f23ec65a010 R09: 0000000000000000 # [ 53.974363] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 53.988556] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 54.002753] irq event stamp: 0 # [ 54.012374] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 54.025596] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 54.040952] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 54.056308] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 54.069529] ---[ end trace fe2f61b4f4498455 ]--- # [ 54.080904] 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 # [ 54.212015] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 54.224200] lkdtm: attempting bad refcount_dec() from saturated # [ 54.230826] ------------[ cut here ]------------ # [ 54.235992] refcount_t: saturated; leaking memory. # [ 54.247566] WARNING: CPU: 2 PID: 2376 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 54.263202] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 54.289678] CPU: 2 PID: 2376 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # [ 54.304533] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.311367] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 54.317230] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 86 ec 93 01 00 75 ee 48 c7 c7 30 dc 44 9f c6 05 76 ec 93 01 01 e8 81 f4 94 00 <0f> 0b c3 cc cc cc cc 80 3d 62 ec 93 01 00 75 cb 48 c7 c7 58 dc 44 # [ 54.338221] RSP: 0018:ffffb43782d57e48 EFLAGS: 00010286 # [ 54.344059] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 54.352033] RDX: ffff9c1cbad2c660 RSI: ffff9c1cbad1bf70 RDI: ffff9c1cbad1bf70 # [ 54.360007] RBP: ffffffff9f4b264b R08: 0000000000000000 R09: 0000000000000000 # [ 54.367981] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 54.375957] R13: ffffb43782d57f10 R14: ffffb43782d57f10 R15: ffff9c1c451cb000 # [ 54.383930] FS: 00007f920fd46580(0000) GS:ffff9c1cbad00000(0000) knlGS:0000000000000000 # [ 54.392973] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.399393] CR2: 00007f920fb4f000 CR3: 00000001032f8005 CR4: 00000000003706e0 # [ 54.407366] Call Trace: # [ 54.410100] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 54.415579] direct_entry.cold+0x2c/0x38 # [ 54.426169] full_proxy_write+0x53/0x80 # [ 54.430487] vfs_write+0xe7/0x3a0 # [ 54.434194] ksys_write+0x68/0xf0 # [ 54.437928] do_syscall_64+0x30/0x40 # [ 54.441952] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 54.447620] RIP: 0033:0x7f920fc5c833 # [ 54.451611] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 54.472600] RSP: 002b:00007fff6ca1a9e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 54.481085] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f920fc5c833 # [ 54.489059] RDX: 0000000000000017 RSI: 00007f920fb4f000 RDI: 0000000000000001 # [ 54.497031] RBP: 00007f920fb4f000 R08: 00007f920fb4e010 R09: 0000000000000000 # [ 54.505003] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 54.512979] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 54.527172] irq event stamp: 0 # [ 54.536792] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 54.543835] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 54.552974] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 54.562112] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 54.569114] ---[ end trace fe2f61b4f4498456 ]--- # [ 54.574270] 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 # [ 54.693044] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 54.705919] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 54.719629] ------------[ cut here ]------------ # [ 54.730997] refcount_t: saturated; leaking memory. # [ 54.736378] WARNING: CPU: 1 PID: 2408 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 54.751991] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 54.784638] CPU: 1 PID: 2408 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # [ 54.799510] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.812537] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 54.824590] Code: 01 01 e8 5e f4 94 00 0f 0b c3 cc cc cc cc 80 3d 41 ec 93 01 00 75 a8 48 c7 c7 30 dc 44 9f c6 05 31 ec 93 01 01 e8 3b f4 94 00 <0f> 0b c3 cc cc cc cc 80 3d 1b ec 93 01 00 75 85 48 c7 c7 88 dc 44 # [ 54.851826] RSP: 0018:ffffb43782de7e38 EFLAGS: 00010282 # [ 54.863912] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 54.878097] RDX: ffff9c1cbacac660 RSI: ffff9c1cbac9bf70 RDI: ffff9c1cbac9bf70 # [ 54.886074] RBP: ffffffff9f4b2278 R08: 0000000000000000 R09: 0000000000000000 # [ 54.900258] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 54.908233] R13: ffffb43782de7f10 R14: ffffb43782de7f10 R15: ffff9c1c43e1b000 # [ 54.922417] FS: 00007fdca4aea580(0000) GS:ffff9c1cbac80000(0000) knlGS:0000000000000000 # [ 54.931461] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.944092] CR2: 00007fdca48f3000 CR3: 0000000105578005 CR4: 00000000003706e0 # [ 54.952069] Call Trace: # [ 54.961011] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 54.973357] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 54.985898] direct_entry.cold+0x2c/0x38 # [ 54.996494] full_proxy_write+0x53/0x80 # [ 55.007021] vfs_write+0xe7/0x3a0 # [ 55.016935] ksys_write+0x68/0xf0 # [ 55.026866] do_syscall_64+0x30/0x40 # [ 55.030889] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 55.042748] RIP: 0033:0x7fdca4a00833 # [ 55.052956] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 55.077825] RSP: 002b:00007ffc626b0848 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 55.086286] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fdca4a00833 # [ 55.094258] RDX: 0000000000000020 RSI: 00007fdca48f3000 RDI: 0000000000000001 # [ 55.102230] RBP: 00007fdca48f3000 R08: 00007fdca48f2010 R09: 0000000000000000 # [ 55.110202] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 55.118175] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 55.126161] irq event stamp: 0 # [ 55.129562] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 55.142773] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 55.151914] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 55.163185] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 55.170188] ---[ end trace fe2f61b4f4498457 ]--- # [ 55.175344] 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 # [ 55.298925] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 55.306964] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 55.320705] ------------[ cut here ]------------ # [ 55.332107] refcount_t: saturated; leaking memory. # [ 55.343693] WARNING: CPU: 0 PID: 2440 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 55.359321] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 55.391976] CPU: 0 PID: 2440 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # [ 55.406838] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.419917] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 55.431985] Code: 01 01 e8 5e f4 94 00 0f 0b c3 cc cc cc cc 80 3d 41 ec 93 01 00 75 a8 48 c7 c7 30 dc 44 9f c6 05 31 ec 93 01 01 e8 3b f4 94 00 <0f> 0b c3 cc cc cc cc 80 3d 1b ec 93 01 00 75 85 48 c7 c7 88 dc 44 # [ 55.459199] RSP: 0018:ffffb43782e7fe38 EFLAGS: 00010282 # [ 55.471262] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 55.485484] RDX: ffff9c1cbac2c660 RSI: ffff9c1cbac1bf70 RDI: ffff9c1cbac1bf70 # [ 55.499652] RBP: ffffffff9f4b2298 R08: 0000000000000000 R09: 0000000000000000 # [ 55.513928] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 55.528147] R13: ffffb43782e7ff10 R14: ffffb43782e7ff10 R15: ffff9c1c46110000 # [ 55.542332] FS: 00007fd31c12e580(0000) GS:ffff9c1cbac00000(0000) knlGS:0000000000000000 # [ 55.557608] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.570277] CR2: 00007fd31bf37000 CR3: 0000000103120002 CR4: 00000000003706f0 # [ 55.584491] Call Trace: # [ 55.593469] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 55.605872] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 55.618440] direct_entry.cold+0x2c/0x38 # [ 55.629053] full_proxy_write+0x53/0x80 # [ 55.639624] vfs_write+0xe7/0x3a0 # [ 55.649496] ksys_write+0x68/0xf0 # [ 55.659403] do_syscall_64+0x30/0x40 # [ 55.669594] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 55.681495] RIP: 0033:0x7fd31c044833 # [ 55.691669] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 55.718863] RSP: 002b:00007fff37866198 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 55.733524] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fd31c044833 # [ 55.747702] RDX: 0000000000000020 RSI: 00007fd31bf37000 RDI: 0000000000000001 # [ 55.761926] RBP: 00007fd31bf37000 R08: 00007fd31bf36010 R09: 0000000000000000 # [ 55.776102] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 55.784084] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 55.798317] irq event stamp: 0 # [ 55.807929] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 55.821149] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 55.836507] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 55.851907] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 55.865161] ---[ end trace fe2f61b4f4498458 ]--- # [ 55.876554] 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 # [ 56.015290] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 56.026847] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 56.034362] ------------[ cut here ]------------ # [ 56.039530] refcount_t: underflow; use-after-free. # [ 56.044912] WARNING: CPU: 2 PID: 2475 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 56.054353] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 56.086993] CPU: 2 PID: 2475 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # [ 56.095677] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.108702] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 56.120756] Code: 01 01 e8 3b f4 94 00 0f 0b c3 cc cc cc cc 80 3d 1b ec 93 01 00 75 85 48 c7 c7 88 dc 44 9f c6 05 0b ec 93 01 01 e8 18 f4 94 00 <0f> 0b c3 cc cc cc cc 80 3d f6 eb 93 01 00 0f 85 5e ff ff ff 48 c7 # [ 56.147965] RSP: 0018:ffffb43782effe40 EFLAGS: 00010286 # [ 56.153837] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 56.161821] RDX: ffff9c1cbad2c660 RSI: ffff9c1cbad1bf70 RDI: ffff9c1cbad1bf70 # [ 56.176030] RBP: ffffffff9f4b22b8 R08: 0000000000000000 R09: 0000000000000000 # [ 56.184022] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 56.198200] R13: ffffb43782efff10 R14: ffffb43782efff10 R15: ffff9c1c43c46000 # [ 56.206178] FS: 00007fb3bb3ea580(0000) GS:ffff9c1cbad00000(0000) knlGS:0000000000000000 # [ 56.215221] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.221642] CR2: 00007fb3bb1f3000 CR3: 0000000103bb8003 CR4: 00000000003706e0 # [ 56.229616] Call Trace: # [ 56.232350] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 56.238511] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 56.244881] direct_entry.cold+0x2c/0x38 # [ 56.249264] full_proxy_write+0x53/0x80 # [ 56.253583] vfs_write+0xe7/0x3a0 # [ 56.257290] ksys_write+0x68/0xf0 # [ 56.260996] do_syscall_64+0x30/0x40 # [ 56.265020] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 56.270665] RIP: 0033:0x7fb3bb300833 # [ 56.274658] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 56.295651] RSP: 002b:00007ffe3e371a58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.304118] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fb3bb300833 # [ 56.312094] RDX: 0000000000000020 RSI: 00007fb3bb1f3000 RDI: 0000000000000001 # [ 56.320067] RBP: 00007fb3bb1f3000 R08: 00007fb3bb1f2010 R09: 0000000000000000 # [ 56.328042] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 56.336016] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 56.344013] irq event stamp: 0 # [ 56.347430] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 56.360647] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 56.369833] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 56.385192] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 56.392194] ---[ end trace fe2f61b4f4498459 ]--- # [ 56.397352] 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 # [ 56.542667] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 56.553953] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 56.567692] ------------[ cut here ]------------ # [ 56.579059] refcount_t: underflow; use-after-free. # [ 56.590637] WARNING: CPU: 0 PID: 2510 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 56.606251] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 56.638935] CPU: 0 PID: 2510 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # [ 56.653800] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.666831] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 56.678852] Code: 01 01 e8 3b f4 94 00 0f 0b c3 cc cc cc cc 80 3d 1b ec 93 01 00 75 85 48 c7 c7 88 dc 44 9f c6 05 0b ec 93 01 01 e8 18 f4 94 00 <0f> 0b c3 cc cc cc cc 80 3d f6 eb 93 01 00 0f 85 5e ff ff ff 48 c7 # [ 56.706077] RSP: 0018:ffffb43782f6fe40 EFLAGS: 00010286 # [ 56.718162] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 56.732318] RDX: ffff9c1cbac2c660 RSI: ffff9c1cbac1bf70 RDI: ffff9c1cbac1bf70 # [ 56.746533] RBP: ffffffff9f4b22d8 R08: 0000000000000000 R09: 0000000000000000 # [ 56.760713] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 56.774921] R13: ffffb43782f6ff10 R14: ffffb43782f6ff10 R15: ffff9c1c454c1000 # [ 56.789097] FS: 00007f4004cb3580(0000) GS:ffff9c1cbac00000(0000) knlGS:0000000000000000 # [ 56.804358] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.816997] CR2: 00007f4004abc000 CR3: 0000000103cf2006 CR4: 00000000003706f0 # [ 56.831187] Call Trace: # [ 56.840141] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 56.852486] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 56.865028] direct_entry.cold+0x2c/0x38 # [ 56.875622] full_proxy_write+0x53/0x80 # [ 56.886121] vfs_write+0xe7/0x3a0 # [ 56.896034] ksys_write+0x68/0xf0 # [ 56.905937] do_syscall_64+0x30/0x40 # [ 56.916136] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 56.928004] RIP: 0033:0x7f4004bc9833 # [ 56.938239] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 56.965441] RSP: 002b:00007fffd6e5c2c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.980111] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f4004bc9833 # [ 56.994313] RDX: 0000000000000020 RSI: 00007f4004abc000 RDI: 0000000000000001 # [ 57.008524] RBP: 00007f4004abc000 R08: 00007f4004abb010 R09: 0000000000000000 # [ 57.022717] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 57.036936] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 57.051152] irq event stamp: 0 # [ 57.060779] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 57.074020] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 57.089381] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 57.104724] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 57.117944] ---[ end trace fe2f61b4f449845a ]--- # [ 57.129359] 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 # [ 57.323123] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 57.334590] lkdtm: attempting good copy_to_user of correct size # [ 57.341227] lkdtm: attempting bad copy_to_user of too large size # USERCOPY_HEAP_SIZE_TO: missing 'call trace:': [FAIL] not ok 61 selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # [ 57.515367] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 57.522896] lkdtm: attempting good copy_from_user of correct size # [ 57.529719] lkdtm: attempting bad copy_from_user of too large size # USERCOPY_HEAP_SIZE_FROM: missing 'call trace:': [FAIL] not ok 62 selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh # [ 57.664189] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 57.674348] lkdtm: attempting good copy_to_user inside whitelist # [ 57.687290] lkdtm: attempting bad copy_to_user outside whitelist # USERCOPY_HEAP_WHITELIST_TO: missing 'call trace:': [FAIL] not ok 63 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh # [ 57.822204] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 57.831918] lkdtm: attempting good copy_from_user inside whitelist # [ 57.845056] lkdtm: attempting bad copy_from_user outside whitelist # USERCOPY_HEAP_WHITELIST_FROM: missing 'call trace:': [FAIL] not ok 64 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh # [ 57.973159] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 57.983157] lkdtm: good_stack: ffffb4378323fe20-ffffb4378323fe40 # [ 57.989921] lkdtm: bad_stack : ffffb4378323fda8-ffffb4378323fdc8 # [ 57.996640] lkdtm: attempting good copy_to_user of local stack # [ 58.009397] 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 # [ 58.132733] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 58.141210] lkdtm: good_stack: ffffb4378334fe20-ffffb4378334fe40 # [ 58.154153] lkdtm: bad_stack : ffffb4378334fda8-ffffb4378334fdc8 # [ 58.167107] lkdtm: attempting good copy_from_user of local stack # [ 58.179989] 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 # [ 58.311878] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 58.324038] lkdtm: good_stack: ffffb437833afe20-ffffb437833afe40 # [ 58.330764] lkdtm: bad_stack : ffffb437833afff8-ffffb437833b0018 # [ 58.337496] lkdtm: attempting good copy_to_user of local stack # [ 58.350239] lkdtm: attempting bad copy_to_user of distant stack # [ 58.356858] lkdtm: copy_to_user failed, but lacked Oops # USERCOPY_STACK_BEYOND: missing 'call trace:': [FAIL] not ok 67 selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # exit=1 # selftests: lkdtm: USERCOPY_KERNEL.sh # [ 58.486881] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 58.493157] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff9f0d15b0 # [ 58.508060] lkdtm: attempting bad copy_to_user from kernel text: ffffffff9dce3b20 # [ 58.522611] lkdtm: FAIL: survived bad copy_to_user() # USERCOPY_KERNEL: missing 'call trace:': [FAIL] not ok 68 selftests: lkdtm: USERCOPY_KERNEL.sh # exit=1 # selftests: lkdtm: STACKLEAK_ERASING.sh # [ 58.655040] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 58.665015] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 58.679145] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 58.693121] lkdtm: FAIL: the thread stack is NOT properly erased # [ 58.706043] CPU: 0 PID: 2875 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # [ 58.720887] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.727683] Call Trace: # [ 58.730414] dump_stack+0x77/0x9b # [ 58.734120] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 58.739281] direct_entry.cold+0x2c/0x38 # [ 58.743661] full_proxy_write+0x53/0x80 # [ 58.747949] vfs_write+0xe7/0x3a0 # [ 58.751652] ksys_write+0x68/0xf0 # [ 58.755351] do_syscall_64+0x30/0x40 # [ 58.759346] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 58.764985] RIP: 0033:0x7f44944f1833 # [ 58.768974] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 58.789959] RSP: 002b:00007ffdd36316d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.798417] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f44944f1833 # [ 58.806379] RDX: 0000000000000012 RSI: 00007f44943e4000 RDI: 0000000000000001 # [ 58.814348] RBP: 00007f44943e4000 R08: 00007f44943e3010 R09: 0000000000000000 # [ 58.822318] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 58.830288] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACKLEAK_ERASING: missing 'OK: the rest of the thread stack is properly erased': [FAIL] not ok 69 selftests: lkdtm: STACKLEAK_ERASING.sh # exit=1 # selftests: lkdtm: CFI_FORWARD_PROTO.sh # [ 58.971577] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 58.981324] lkdtm: Calling matched prototype ... # [ 58.992701] lkdtm: Calling mismatched prototype ... # [ 59.004361] 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 lkdtm_PANIC_sh skip lkdtm_BUG_sh pass lkdtm_WARNING_sh pass lkdtm_WARNING_MESSAGE_sh pass lkdtm_EXCEPTION_sh pass lkdtm_LOOP_sh skip lkdtm_EXHAUST_STACK_sh skip lkdtm_CORRUPT_STACK_sh skip lkdtm_CORRUPT_STACK_STRONG_sh skip lkdtm_CORRUPT_LIST_ADD_sh fail lkdtm_CORRUPT_LIST_DEL_sh fail lkdtm_STACK_GUARD_PAGE_LEADING_sh pass lkdtm_STACK_GUARD_PAGE_TRAILING_sh pass lkdtm_UNSET_SMEP_sh pass lkdtm_DOUBLE_FAULT_sh skip lkdtm_CORRUPT_PAC_sh skip lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh skip lkdtm_OVERWRITE_ALLOCATION_sh skip lkdtm_WRITE_AFTER_FREE_sh skip lkdtm_READ_AFTER_FREE_sh fail lkdtm_WRITE_BUDDY_AFTER_FREE_sh skip lkdtm_READ_BUDDY_AFTER_FREE_sh fail lkdtm_SLAB_FREE_DOUBLE_sh fail lkdtm_SLAB_FREE_CROSS_sh fail lkdtm_SLAB_FREE_PAGE_sh fail lkdtm_SOFTLOCKUP_sh skip lkdtm_HARDLOCKUP_sh skip lkdtm_SPINLOCKUP_sh skip lkdtm_HUNG_TASK_sh skip lkdtm_EXEC_DATA_sh pass lkdtm_EXEC_STACK_sh pass lkdtm_EXEC_KMALLOC_sh pass lkdtm_EXEC_VMALLOC_sh pass lkdtm_EXEC_RODATA_sh pass lkdtm_EXEC_USERSPACE_sh pass lkdtm_EXEC_NULL_sh pass lkdtm_ACCESS_USERSPACE_sh pass lkdtm_ACCESS_NULL_sh pass lkdtm_WRITE_RO_sh pass lkdtm_WRITE_RO_AFTER_INIT_sh pass lkdtm_WRITE_KERN_sh pass lkdtm_REFCOUNT_INC_OVERFLOW_sh pass lkdtm_REFCOUNT_ADD_OVERFLOW_sh pass lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh pass lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh pass lkdtm_REFCOUNT_DEC_ZERO_sh pass lkdtm_REFCOUNT_DEC_NEGATIVE_sh pass lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh pass lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh pass lkdtm_REFCOUNT_INC_ZERO_sh pass lkdtm_REFCOUNT_ADD_ZERO_sh pass lkdtm_REFCOUNT_INC_SATURATED_sh pass lkdtm_REFCOUNT_DEC_SATURATED_sh pass lkdtm_REFCOUNT_ADD_SATURATED_sh pass lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh pass lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh pass lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh pass lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh pass lkdtm_REFCOUNT_TIMING_sh skip lkdtm_ATOMIC_TIMING_sh skip lkdtm_USERCOPY_HEAP_SIZE_TO_sh fail lkdtm_USERCOPY_HEAP_SIZE_FROM_sh fail lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh fail lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh fail lkdtm_USERCOPY_STACK_FRAME_TO_sh fail lkdtm_USERCOPY_STACK_FRAME_FROM_sh fail lkdtm_USERCOPY_STACK_BEYOND_sh fail lkdtm_USERCOPY_KERNEL_sh fail lkdtm_STACKLEAK_ERASING_sh fail lkdtm_CFI_FORWARD_PROTO_sh fail + ../../utils/send-to-lava.sh ./output/result.txt + set +x / #