[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_B found @ 5e8000 (65536 bytes) FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) VB2:vb2_verify_keyblock() Checking key block signature... FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) VB2:vb2_verify_fw_preamble() Verifying preamble. Phase 4 FMAP: area FW_MAIN_B found @ 5f8000 (4030400 bytes) VB2:vb2api_init_hash() HW crypto for hash_alg 2 not supported, using SW VB2:vb2_rsa_verify_digest() Digest check failed! VB2:vb2_fail() Need recovery, reason: 0x1b / 0x7 Saving nvdata Reboot requested (10020007) board_reset() called! full_reset() called! coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_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 44770 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...done. AP: slot 3 apic_id 2. AP: slot 2 apic_id 3. Waiting for 2nd SIPI to complete...done. AP: slot 1 apic_id 1. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab21603(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010a19. filesize: 0x3b08 memsize: 0x8bc0 Processing 243 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd SMM Module: stub loaded at 7b008000. Will call 7b010a19(00000000) Clearing SMI status registers SMI_STS: PM1 PM1_STS: PWRBTN TCO_STS: BOOT SECOND_TO New SMBASE 0x7b000000 In relocation handler: CPU 0 New SMBASE=0x7b000000 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afffc00 In relocation handler: CPU 1 New SMBASE=0x7afffc00 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff800 In relocation handler: CPU 2 New SMBASE=0x7afff800 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff400 In relocation handler: CPU 3 New SMBASE=0x7afff400 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. Initializing CPU #0 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC... apic_id: 0x00 done. Turbo is available but hidden Turbo has been enabled SGX : param.enable = 0 Skip microcode update CPU #0 initialized Initializing CPU #1 Initializing CPU #2 Initializing CPU #3 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 apic_id: 0x03 done. Setting up local APIC...Setting up local APIC...Skip microcode update apic_id: 0x02 done. CPU #2 initialized Skip microcode update apic_id: 0x01 done. CPU #3 initialized Skip microcode update CPU #1 initialized bsp_do_flight_plan done after 229 msecs. CPU: frequency set to 3400 MHz Enabling SMIs. Locking SMM. VMX : param.enable = 1 VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked VMX status: enabled, unlocked SGX: pre-conditions not met SGX: pre-conditions not met CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'vbt.bin' CBFS: Found @ offset 103a00 size 48e Found a VBT of 4608 bytes after decompression psys_pmax = 360 FMAP: area GBB found @ c11000 (978944 bytes) ITSS IRQ Polarities Before: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 ITSS IRQ Polarities After: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 Override DT after FSP-S, PCH is KBL/SKL PCH-LP SKU BS: BS_DEV_INIT_CHIPS times (us): entry 376167 run 166411 exit 0 Enumerating buses... Show all devs... Before device enumeration. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 00:5c: enabled 1 I2C: 00:15: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 APIC: 02: enabled 1 Compare with tree... Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 APIC: 00: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 APIC: 02: enabled 1 DOMAIN: 0000: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 USB0 port 0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 I2C: 00:5c: enabled 1 PCI: 00:15.1: enabled 1 I2C: 00:15: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 SPI: 00: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PNP: 0c09.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 Root Device scanning... root_dev_scan_bus for Root Device CPU_CLUSTER: 0 enabled DOMAIN: 0000 enabled DOMAIN: 0000 scanning... PCI: pci_scan_bus for bus 00 PCI: 00:00.0 [8086/0000] ops PCI: 00:00.0 [8086/590c] enabled PCI: 00:02.0 [8086/0000] ops PCI: 00:02.0 [8086/591c] enabled PCI: 00:04.0 [8086/1903] enabled PCI: 00:08.0 [8086/1911] enabled PCI: 00:14.0 [8086/0000] bus ops PCI: 00:14.0 [8086/9d2f] enabled PCI: 00:14.2 [8086/9d31] enabled PCI: 00:15.0 [8086/0000] bus ops PCI: 00:15.0 [8086/9d60] enabled PCI: 00:15.1 [8086/0000] bus ops PCI: 00:15.1 [8086/9d61] enabled PCI: 00:16.0 [8086/0000] ops PCI: 00:16.0 [8086/9d3a] enabled PCI: 00:19.0 [8086/0000] ops PCI: 00:19.0 [8086/9d66] enabled PCI: 00:19.1 [8086/0000] bus ops PCI: 00:19.1 [8086/9d65] enabled PCI: 00:1c.0 [8086/0000] bus ops PCI: 00:1c.0 [8086/9d10] enabled PCI: 00:1e.0 [8086/0000] ops PCI: 00:1e.0 [8086/9d27] enabled PCI: 00:1e.2 [8086/0000] bus ops PCI: 00:1e.2 [8086/9d29] enabled PCI: 00:1e.4 [8086/9d2b] enabled PCI: 00:1e.6 [8086/0000] ops PCI: 00:1e.6 [8086/9d2d] enabled PCI: 00:1f.0 [8086/0000] bus ops PCI: 00:1f.0 [8086/9d4b] enabled PCI: Static device PCI: 00:1f.1 not found, disabling it. PCI: 00:1f.2 [8086/0000] bus ops PCI: 00:1f.2 [8086/9d21] enabled PCI: 00:1f.3 [8086/0000] bus ops PCI: 00:1f.3 [8086/9d71] enabled PCI: 00:1f.4 [8086/0000] bus ops PCI: 00:1f.4 [8086/9d23] enabled PCI: 00:1f.5 [8086/0000] bus ops PCI: 00:1f.5 [8086/9d24] enabled PCI: 00:14.0 scanning... scan_usb_bus for PCI: 00:14.0 USB0 port 0 enabled USB0 port 0 scanning... scan_usb_bus for USB0 port 0 USB2 port 0 enabled USB2 port 1 enabled USB2 port 2 enabled USB2 port 4 enabled USB2 port 8 enabled USB2 port 0 scanning... scan_usb_bus for USB2 port 0 scan_usb_bus for USB2 port 0 done scan_bus: scanning of bus USB2 port 0 took 8972 usecs USB2 port 1 scanning... scan_usb_bus for USB2 port 1 scan_usb_bus for USB2 port 1 done scan_bus: scanning of bus USB2 port 1 took 8974 usecs USB2 port 2 scanning... scan_usb_bus for USB2 port 2 scan_usb_bus for USB2 port 2 done scan_bus: scanning of bus USB2 port 2 took 8970 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 8962 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 8971 usecs scan_usb_bus for USB0 port 0 done scan_bus: scanning of bus USB0 port 0 took 90934 usecs scan_usb_bus for PCI: 00:14.0 done scan_bus: scanning of bus PCI: 00:14.0 took 107718 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 14155 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 22366 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 53534 usecs PCI: 00:1e.2 scanning... scan_generic_bus for PCI: 00:1e.2 bus: PCI: 00:1e.2[0]->SPI: 00 enabled scan_generic_bus for PCI: 00:1e.2 done scan_bus: scanning of bus PCI: 00:1e.2 took 13863 usecs PCI: 00:1f.0 scanning... scan_lpc_bus for PCI: 00:1f.0 PNP: 0c09.0 enabled scan_lpc_bus for PCI: 00:1f.0 done scan_bus: scanning of bus PCI: 00:1f.0 took 11322 usecs PCI: 00:1f.2 scanning... scan_lpc_bus for PCI: 00:1f.2 scan_lpc_bus for PCI: 00:1f.2 done scan_bus: scanning of bus PCI: 00:1f.2 took 9311 usecs PCI: 00:1f.3 scanning... scan_bus: scanning of bus PCI: 00:1f.3 took 2720 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 10039 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 10036 usecs scan_bus: scanning of bus DOMAIN: 0000 took 466042 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 486152 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 825873 exit 39302 found VGA at PCI: 00:02.0 Setting up VGA for PCI: 00:02.0 Setting PCI_BRIDGE_CTL_VGA for bridge DOMAIN: 0000 Setting PCI_BRIDGE_CTL_VGA for bridge Root Device Allocating resources... Reading resources... Root Device read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 PCI: 00:14.0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 done PCI: 00:14.0 read_resources bus 0 link: 0 done PCI: 00:15.0 read_resources bus 1 link: 0 PCI: 00:15.0 read_resources bus 1 link: 0 done PCI: 00:15.1 read_resources bus 2 link: 0 PCI: 00:15.1 read_resources bus 2 link: 0 done PCI: 00:19.1 read_resources bus 3 link: 0 PCI: 00:19.1 read_resources bus 3 link: 0 done PCI: 00:1c.0 read_resources bus 1 link: 0 PCI: 00:1c.0 read_resources bus 1 link: 0 done PCI: 00:1e.2 read_resources bus 4 link: 0 PCI: 00:1e.2 read_resources bus 4 link: 0 done PCI: 00:1f.0 read_resources bus 0 link: 0 PCI: 00:1f.0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 done Root Device read_resources bus 0 link: 0 done Done reading resources. Show resources in subtree (Root Device)...After reading. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 03 APIC: 02 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffff flags 40040100 index 10000000 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base 0 size 1000000 align 24 gran 24 limit ffffffffffffffff flags 201 index 10 PCI: 00:02.0 resource base 0 size 10000000 align 28 gran 28 limit ffffffffffffffff flags 1201 index 18 PCI: 00:02.0 resource base 0 size 40 align 6 gran 6 limit ffff flags 100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base 0 size 8000 align 15 gran 15 limit ffffffffffffffff flags 201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base 0 size 0 align 12 gran 12 limit ffff flags 80102 index 1c PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffffffffffff flags 81202 index 24 PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffff flags 80202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base 0 size 2000 align 13 gran 13 limit ffffffffffffffff flags 201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base 0 size 4000 align 14 gran 14 limit ffffffff flags 200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base 0 size 4000 align 14 gran 14 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.3 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base 0 size 100 align 12 gran 8 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base 0 size 1000 align 12 gran 12 limit ffffffff flags 200 index 10 PCI: 00:1f.6 DOMAIN: 0000 io: base: 0 size: 0 align: 0 gran: 0 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff done PCI: 00:02.0 20 * [0x0 - 0x3f] io DOMAIN: 0000 io: base: 40 size: 40 align: 6 gran: 0 limit: ffff done DOMAIN: 0000 mem: base: 0 size: 0 align: 0 gran: 0 limit: ffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff done PCI: 00:1c.0 mem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffff PCI: 01:00.0 10 * [0x0 - 0x1fff] mem PCI: 00:1c.0 mem: base: 2000 size: 100000 align: 20 gran: 20 limit: ffffffff done PCI: 00:02.0 18 * [0x0 - 0xfffffff] prefmem PCI: 00:02.0 10 * [0x10000000 - 0x10ffffff] mem PCI: 00:1c.0 20 * [0x11000000 - 0x110fffff] mem PCI: 00:14.0 10 * [0x11100000 - 0x1110ffff] mem PCI: 00:1f.3 20 * [0x11110000 - 0x1111ffff] mem PCI: 00:04.0 10 * [0x11120000 - 0x11127fff] mem PCI: 00:1f.2 10 * [0x11128000 - 0x1112bfff] mem PCI: 00:1f.3 10 * [0x1112c000 - 0x1112ffff] mem PCI: 00:08.0 10 * [0x11130000 - 0x11130fff] mem PCI: 00:14.2 10 * [0x11131000 - 0x11131fff] mem PCI: 00:15.0 10 * [0x11132000 - 0x11132fff] mem PCI: 00:15.1 10 * [0x11133000 - 0x11133fff] mem PCI: 00:16.0 10 * [0x11134000 - 0x11134fff] mem PCI: 00:19.0 18 * [0x11135000 - 0x11135fff] mem PCI: 00:19.1 10 * [0x11136000 - 0x11136fff] mem PCI: 00:1e.0 10 * [0x11137000 - 0x11137fff] mem PCI: 00:1e.2 10 * [0x11138000 - 0x11138fff] mem PCI: 00:1e.4 10 * [0x11139000 - 0x11139fff] mem PCI: 00:1e.6 10 * [0x1113a000 - 0x1113afff] mem PCI: 00:1f.5 10 * [0x1113b000 - 0x1113bfff] mem PCI: 00:1f.4 10 * [0x1113c000 - 0x1113c0ff] mem DOMAIN: 0000 mem: base: 1113c100 size: 1113c100 align: 28 gran: 0 limit: ffffffff done avoid_fixed_resources: DOMAIN: 0000 avoid_fixed_resources:@DOMAIN: 0000 10000000 limit 0000ffff avoid_fixed_resources:@DOMAIN: 0000 10000100 limit ffffffff constrain_resources: PCI: 00:00.0 00 base e0000000 limit e3ffffff mem (fixed) constrain_resources: PCI: 00:00.0 08 base 00000000 limit 0009ffff mem (fixed) constrain_resources: PCI: 00:00.0 09 base 000c0000 limit 7affffff mem (fixed) constrain_resources: PCI: 00:00.0 0b base 7b000000 limit 7b7fffff mem (fixed) constrain_resources: PCI: 00:00.0 0c base 7b800000 limit 7fffffff mem (fixed) constrain_resources: PCI: 00:1f.0 00 base 00000000 limit 00000fff io (fixed) constrain_resources: PCI: 00:1f.2 40 base 00001800 limit 000018ff io (fixed) constrain_resources: PCI: 00:1f.4 20 base 0000efa0 limit 0000efbf io (fixed) avoid_fixed_resources:@DOMAIN: 0000 10000000 base 00001900 limit 0000ef9f avoid_fixed_resources:@DOMAIN: 0000 10000100 base c0000000 limit dfffffff Setting resources... DOMAIN: 0000 io: base:1900 size:40 align:6 gran:0 limit:ef9f PCI: 00:02.0 20 * [0x1c00 - 0x1c3f] io DOMAIN: 0000 io: next_base: 1c40 size: 40 align: 6 gran: 0 done PCI: 00:1c.0 io: base:ef9f size:0 align:12 gran:12 limit:ef9f PCI: 00:1c.0 io: next_base: ef9f size: 0 align: 12 gran: 12 done DOMAIN: 0000 mem: base:c0000000 size:1113c100 align:28 gran:0 limit:dfffffff PCI: 00:02.0 18 * [0xc0000000 - 0xcfffffff] prefmem PCI: 00:02.0 10 * [0xd0000000 - 0xd0ffffff] mem PCI: 00:1c.0 20 * [0xd1000000 - 0xd10fffff] mem PCI: 00:14.0 10 * [0xd1100000 - 0xd110ffff] mem PCI: 00:1f.3 20 * [0xd1110000 - 0xd111ffff] mem PCI: 00:04.0 10 * [0xd1120000 - 0xd1127fff] mem PCI: 00:1f.2 10 * [0xd1128000 - 0xd112bfff] mem PCI: 00:1f.3 10 * [0xd112c000 - 0xd112ffff] mem PCI: 00:08.0 10 * [0xd1130000 - 0xd1130fff] mem PCI: 00:14.2 10 * [0xd1131000 - 0xd1131fff] mem PCI: 00:15.0 10 * [0xd1132000 - 0xd1132fff] mem PCI: 00:15.1 10 * [0xd1133000 - 0xd1133fff] mem PCI: 00:16.0 10 * [0xd1134000 - 0xd1134fff] mem PCI: 00:19.0 18 * [0xd1135000 - 0xd1135fff] mem PCI: 00:19.1 10 * [0xd1136000 - 0xd1136fff] mem PCI: 00:1e.0 10 * [0xd1137000 - 0xd1137fff] mem PCI: 00:1e.2 10 * [0xd1138000 - 0xd1138fff] mem PCI: 00:1e.4 10 * [0xd1139000 - 0xd1139fff] mem PCI: 00:1e.6 10 * [0xd113a000 - 0xd113afff] mem PCI: 00:1f.5 10 * [0xd113b000 - 0xd113bfff] mem PCI: 00:1f.4 10 * [0xd113c000 - 0xd113c0ff] mem DOMAIN: 0000 mem: next_base: d113c100 size: 1113c100 align: 28 gran: 0 done PCI: 00:1c.0 prefmem: base:dfffffff size:0 align:20 gran:20 limit:dfffffff PCI: 00:1c.0 prefmem: next_base: dfffffff size: 0 align: 20 gran: 20 done PCI: 00:1c.0 mem: base:d1000000 size:100000 align:20 gran:20 limit:d10fffff PCI: 01:00.0 10 * [0xd1000000 - 0xd1001fff] mem PCI: 00:1c.0 mem: next_base: d1002000 size: 100000 align: 20 gran: 20 done Root Device assign_resources, bus 0 link: 0 DOMAIN: 0000 assign_resources, bus 0 link: 0 PCI: 00:02.0 10 <- [0x00d0000000 - 0x00d0ffffff] size 0x01000000 gran 0x18 mem64 PCI: 00:02.0 18 <- [0x00c0000000 - 0x00cfffffff] size 0x10000000 gran 0x1c prefmem64 PCI: 00:02.0 20 <- [0x0000001c00 - 0x0000001c3f] size 0x00000040 gran 0x06 io PCI: 00:04.0 10 <- [0x00d1120000 - 0x00d1127fff] size 0x00008000 gran 0x0f mem64 PCI: 00:08.0 10 <- [0x00d1130000 - 0x00d1130fff] size 0x00001000 gran 0x0c mem64 PCI: 00:14.0 10 <- [0x00d1100000 - 0x00d110ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.2 10 <- [0x00d1131000 - 0x00d1131fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 10 <- [0x00d1132000 - 0x00d1132fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.1 10 <- [0x00d1133000 - 0x00d1133fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:16.0 10 <- [0x00d1134000 - 0x00d1134fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.0 18 <- [0x00d1135000 - 0x00d1135fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 10 <- [0x00d1136000 - 0x00d1136fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:1c.0 1c <- [0x000000ef9f - 0x000000ef9e] size 0x00000000 gran 0x0c bus 01 io PCI: 00:1c.0 24 <- [0x00dfffffff - 0x00dffffffe] size 0x00000000 gran 0x14 bus 01 prefmem PCI: 00:1c.0 20 <- [0x00d1000000 - 0x00d10fffff] size 0x00100000 gran 0x14 bus 01 mem PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 01:00.0 10 <- [0x00d1000000 - 0x00d1001fff] size 0x00002000 gran 0x0d mem64 PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 00:1e.0 10 <- [0x00d1137000 - 0x00d1137fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 10 <- [0x00d1138000 - 0x00d1138fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.4 10 <- [0x00d1139000 - 0x00d1139fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.6 10 <- [0x00d113a000 - 0x00d113afff] size 0x00001000 gran 0x0c mem64 PCI: 00:1f.0 assign_resources, bus 0 link: 0 PCI: 00:1f.0 assign_resources, bus 0 link: 0 LPC: Trying to open IO window from 800 size 1ff PCI: 00:1f.2 10 <- [0x00d1128000 - 0x00d112bfff] size 0x00004000 gran 0x0e mem PCI: 00:1f.3 10 <- [0x00d112c000 - 0x00d112ffff] size 0x00004000 gran 0x0e mem64 PCI: 00:1f.3 20 <- [0x00d1110000 - 0x00d111ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:1f.4 10 <- [0x00d113c000 - 0x00d113c0ff] size 0x00000100 gran 0x08 mem64 PCI: 00:1f.5 10 <- [0x00d113b000 - 0x00d113bfff] size 0x00001000 gran 0x0c mem DOMAIN: 0000 assign_resources, bus 0 link: 0 Root Device assign_resources, bus 0 link: 0 Done setting resources. Show resources in subtree (Root Device)...After assigning values. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 03 APIC: 02 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 1900 size 40 align 6 gran 0 limit ef9f flags 40040100 index 10000000 DOMAIN: 0000 resource base c0000000 size 1113c100 align 28 gran 0 limit dfffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base d0000000 size 1000000 align 24 gran 24 limit d0ffffff flags 60000201 index 10 PCI: 00:02.0 resource base c0000000 size 10000000 align 28 gran 28 limit cfffffff flags 60001201 index 18 PCI: 00:02.0 resource base 1c00 size 40 align 6 gran 6 limit 1c3f flags 60000100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base d1120000 size 8000 align 15 gran 15 limit d1127fff flags 60000201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base d1130000 size 1000 align 12 gran 12 limit d1130fff flags 60000201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base d1100000 size 10000 align 16 gran 16 limit d110ffff flags 60000201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base d1131000 size 1000 align 12 gran 12 limit d1131fff flags 60000201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base d1132000 size 1000 align 12 gran 12 limit d1132fff flags 60000201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base d1133000 size 1000 align 12 gran 12 limit d1133fff flags 60000201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base d1134000 size 1000 align 12 gran 12 limit d1134fff flags 60000201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base d1135000 size 1000 align 12 gran 12 limit d1135fff flags 60000201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base d1136000 size 1000 align 12 gran 12 limit d1136fff flags 60000201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base ef9f size 0 align 12 gran 12 limit ef9f flags 60080102 index 1c PCI: 00:1c.0 resource base dfffffff size 0 align 20 gran 20 limit dfffffff flags 60081202 index 24 PCI: 00:1c.0 resource base d1000000 size 100000 align 20 gran 20 limit d10fffff flags 60080202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base d1000000 size 2000 align 13 gran 13 limit d1001fff flags 60000201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base d1137000 size 1000 align 12 gran 12 limit d1137fff flags 60000201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base d1138000 size 1000 align 12 gran 12 limit d1138fff flags 60000201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base d1139000 size 1000 align 12 gran 12 limit d1139fff flags 60000201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base d113a000 size 1000 align 12 gran 12 limit d113afff flags 60000201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base d1128000 size 4000 align 14 gran 14 limit d112bfff flags 60000200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base d112c000 size 4000 align 14 gran 14 limit d112ffff flags 60000201 index 10 PCI: 00:1f.3 resource base d1110000 size 10000 align 16 gran 16 limit d111ffff flags 60000201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base d113c000 size 100 align 12 gran 8 limit d113c0ff flags 60000201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base d113b000 size 1000 align 12 gran 12 limit d113bfff flags 60000200 index 10 PCI: 00:1f.6 Done allocating resources. BS: BS_DEV_RESOURCES times (us): entry 0 run 2114381 exit 31 Enabling resources... PCI: 00:00.0 subsystem <- 8086/590c PCI: 00:00.0 cmd <- 06 PCI: 00:02.0 subsystem <- 8086/591c PCI: 00:02.0 cmd <- 03 PCI: 00:04.0 cmd <- 02 PCI: 00:08.0 cmd <- 06 PCI: 00:14.0 subsystem <- 8086/9d2f PCI: 00:14.0 cmd <- 02 PCI: 00:14.2 subsystem <- 8086/9d31 PCI: 00:14.2 cmd <- 02 PCI: 00:15.0 subsystem <- 8086/9d60 PCI: 00:15.0 cmd <- 06 PCI: 00:15.1 subsystem <- 8086/9d61 PCI: 00:15.1 cmd <- 06 PCI: 00:16.0 subsystem <- 8086/9d3a PCI: 00:16.0 cmd <- 02 PCI: 00:19.0 subsystem <- 8086/9d66 PCI: 00:19.0 cmd <- 06 PCI: 00:19.1 subsystem <- 8086/9d65 PCI: 00:19.1 cmd <- 06 PCI: 00:1c.0 bridge ctrl <- 0003 PCI: 00:1c.0 subsystem <- 8086/9d10 PCI: 00:1c.0 cmd <- 06 PCI: 00:1e.0 subsystem <- 8086/9d27 PCI: 00:1e.0 cmd <- 06 PCI: 00:1e.2 subsystem <- 8086/9d29 PCI: 00:1e.2 cmd <- 06 PCI: 00:1e.4 subsystem <- 8086/9d2b PCI: 00:1e.4 cmd <- 06 PCI: 00:1e.6 subsystem <- 8086/9d2d PCI: 00:1e.6 cmd <- 06 PCI: 00:1f.0 subsystem <- 8086/9d4b PCI: 00:1f.0 cmd <- 407 PCI: 00:1f.2 subsystem <- 8086/9d21 PCI: 00:1f.2 cmd <- 02 PCI: 00:1f.3 subsystem <- 8086/9d71 PCI: 00:1f.3 cmd <- 02 PCI: 00:1f.4 subsystem <- 8086/9d23 PCI: 00:1f.4 cmd <- 03 PCI: 00:1f.5 subsystem <- 8086/9d24 PCI: 00:1f.5 cmd <- 406 PCI: 01:00.0 subsystem <- 8086/095a PCI: 01:00.0 cmd <- 02 done. ME: Version : 11.8.50.3470 BS: BS_DEV_ENABLE times (us): entry 230 run 139361 exit 20568 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 31268 usecs CPU_CLUSTER: 0 init ... CPU_CLUSTER: 0 init finished in 2445 usecs PCI: 00:00.0 init ... CPU TDP: 5 Watts CPU PL2 = 18 Watts PCI: 00:00.0 init finished in 6985 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2250 usecs PCI: 00:04.0 init ... PCI: 00:04.0 init finished in 2249 usecs PCI: 00:08.0 init ... PCI: 00:08.0 init finished in 2250 usecs PCI: 00:14.0 init ... PCI: 00:14.0 init finished in 2250 usecs PCI: 00:14.2 init ... PCI: 00:14.2 init finished in 2250 usecs PCI: 00:15.0 init ... DW I2C bus 0 at 0xd1132000 (400 KHz) PCI: 00:15.0 init finished in 5970 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 5968 usecs PCI: 00:1c.0 init ... Initializing PCH PCIe bridge. PCI: 00:1c.0 init finished in 5289 usecs PCI: 00:1e.4 init ... PCI: 00:1e.4 init finished in 2249 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 23498 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 23833 usecs PCI: 00:1f.4 init ... PCI: 00:1f.4 init finished in 2261 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2394 usecs PNP: 0c09.0 init ... Google Chrome EC: Hello got back 11223344 status (0) Google Chrome EC: version: ro: rammus_v2.0.387-f0df0fe2e rw: rammus_v2.0.425-6e0dd622e running image: 1 EC returned error result code 1 PNP: 0c09.0 init finished in 24491 usecs Devices initialized Show all devs... After init. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 0 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 01:5c: enabled 1 I2C: 02:15: enabled 1 I2C: 03:39: enabled 1 I2C: 03:3a: enabled 1 I2C: 03:1a: enabled 1 PCI: 01:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 APIC: 02: enabled 1 PCI: 00:04.0: enabled 1 PCI: 00:08.0: enabled 1 FMAP: area RW_ELOG found @ 9f0000 (16384 bytes) ELOG: NV offset 0x9f0000 size 0x4000 ELOG: area is 4096 bytes, full threshold 3842, shrink size 1024 ELOG: Event(17) added with size 13 at 2023-02-01 09:53:10 UTC POST: Unexpected post code in previous boot: 0x34 ELOG: Event(A3) added with size 11 at 2023-02-01 09:53:10 UTC ELOG: Event(92) added with size 9 at 2023-02-01 09:53:10 UTC ELOG: Event(9A) added with size 9 at 2023-02-01 09:53:10 UTC ELOG: Event(AD) added with size 10 at 2023-02-01 09:53:10 UTC ELOG: Event(9F) added with size 14 at 2023-02-01 09:53:10 UTC BS: BS_DEV_INIT times (us): entry 0 run 417605 exit 60047 ELOG: Event(A1) added with size 10 at 2023-02-01 09:53:10 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2023-02-01 09:53:10 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 25680 run 3966 exit 5199 BS: BS_OS_RESUME_CHECK times (us): entry 0 run 55 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/dsdt.aml' CBFS: Found @ offset 19af40 size 4691 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/slic' CBFS: 'fallback/slic' not found. ACPI: Writing ACPI tables at 7aa9a000. ACPI: * FACS ACPI: * DSDT Ramoops buffer: 0x100000@0x7a999000. SGX: not enabled or not supported. skip gnvs fill ACPI: * FADT SCI is IRQ9 ACPI: added table 1/32, length now 40 ACPI: * SSDT Found 1 CPU(s) with 4 core(s) each. \_SB.PCI0.I2C0.H05C: SISC Touchscreen at I2C: 01:5c \_SB.PCI0.I2C1.D015: ELAN Touchpad at I2C: 02:15 \_SB.PCI0.I2C5.MAXR: Maxim MAX98927 Codec address 039h \_SB.PCI0.I2C5.MAXL: Maxim MAX98927 Codec address 03ah \_SB.PCI0.I2C5.DLG7: Dialog Semiconductor DA7219 Audio Codec address 01ah irq 105 Error: Could not locate 'wifi_sar' in VPD. Error: failed from getting SAR limits! \_SB.PCI0.RP01.WIFI: Intel WiFi PCI: 01:00.0 \_SB.PCI0.SPI0.S001: SPI Device at SPI: 00 \_SB.PCI0.XHCI.RHUB.HS01: USB Type C Port 1 at USB2 port 0 \_SB.PCI0.XHCI.RHUB.HS02: USB Type A Port 1 at USB2 port 1 \_SB.PCI0.XHCI.RHUB.HS03: Bluetooth at USB2 port 2 \_SB.PCI0.XHCI.RHUB.HS05: USB Type C Port 2 at USB2 port 4 \_SB.PCI0.XHCI.RHUB.HS09: Camera at USB2 port 8 ACPI: added table 2/32, length now 44 ACPI: * MCFG ACPI: added table 3/32, length now 48 ACPI: * TPM2 ACPI: added table 4/32, length now 52 ACPI: * MADT SCI is IRQ9 ACPI: added table 5/32, length now 56 current = 7aa9fa60 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-16b.bin' CBFS: Found @ offset 167000 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-32b.bin' CBFS: Found @ offset 19f640 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-24b.bin' CBFS: Found @ offset 167c00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 ACPI: * NHLT ACPI: added table 6/32, length now 60 ACPI: * DMAR ACPI: added table 7/32, length now 64 ACPI: * IGD OpRegion GMA: Found VBT in CBFS GMA: Found valid VBT in CBFS current = 7aaa3610 ACPI: added table 8/32, length now 68 ACPI: * HPET ACPI: added table 9/32, length now 72 ACPI: done. ACPI tables: 38592 bytes. smbios_write_tables: 7a998000 Create SMBIOS type 17 PCI: 01:00.0 (Intel WiFi) SMBIOS tables: 662 bytes. Writing table forward entry at 0x00000500 Wrote coreboot table at: 00000500, 0x10 bytes, checksum a532 Writing coreboot table at 0x7aabe000 0. 0000000000000000-0000000000000fff: CONFIGURATION TABLES 1. 0000000000001000-000000000009ffff: RAM 2. 00000000000a0000-00000000000fffff: RESERVED 3. 0000000000100000-000000007a997fff: RAM 4. 000000007a998000-000000007ab05fff: CONFIGURATION TABLES 5. 000000007ab06000-000000007abcffff: RAMSTAGE 6. 000000007abd0000-000000007affffff: CONFIGURATION TABLES 7. 000000007b000000-000000007fffffff: RESERVED 8. 00000000e0000000-00000000e3ffffff: RESERVED 9. 00000000fe000000-00000000fe00ffff: RESERVED 10. 00000000fed10000-00000000fed19fff: RESERVED 11. 00000000fed80000-00000000fed84fff: RESERVED 12. 00000000fed90000-00000000fed91fff: RESERVED 13. 0000000100000000-000000017effffff: RAM Graphics framebuffer located at 0xc0000000 Passing 6 GPIOs to payload: NAME | PORT | POLARITY | VALUE write protect | undefined | high | low recovery | undefined | high | low lid | undefined | high | high power | undefined | high | low oprom | undefined | high | low EC in RW | 0x00000036 | high | low Board ID: 6 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) Wrote coreboot table at: 7aabe000, 0x5a4 bytes, checksum d226 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 537755 exit 146869 call enable_fixed_mtrr() MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 call enable_fixed_mtrr() call enable_fixed_mtrr() CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CPU physical address size: 39 bits CBFS: Locating 'fallback/payload' CPU physical address size: 39 bits CPU physical address size: 39 bits CBFS: Found @ offset 223040 size 360b4 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 610 run 261855 exit 135677 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 8967664/tftp-deploy-zuh4p8lu/kernel/bzImage 8967664/tftp-deploy-zuh4p8lu/kernel/cmdline 8967664/tftp-deploy-zuh4p8lu/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 8967664/tftp-deploy-zuh4p8lu/kernel/bzImaoy-zuh4p8lu/kernel/cmdline 8967664/tftp-deploy-zuh4p8lu/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: 8967664/tftp-deploy-zuh4p8lu/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 14330432 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: 8967664/tftp-deploy-zuh4p8lu/kernel/cmdline The command line is: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console_msg_format=syslog earlycon console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/8967664/extract-nfsrootfs-xjy3czv9,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: 18257516 Starting kernel ... <5>[ 0.000000] Linux version 5.10.166-cip25 (KernelCI@build-j960184-x86-64-gcc-10-x86-64-defconfig-x86-chromeboowvvvg) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Wed Feb 1 09:43:33 UTC 2023 <6>[ 0.000000] Command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console_msg_format=syslog earlycon console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/8967664/extract-nfsrootfs-xjy3czv9,tcp,hard ip=dhcp tftpserverip=192.168.201.1 <6>[ 0.000000] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' <6>[ 0.000000] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' <6>[ 0.000000] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' <6>[ 0.000000] x86/fpu: Supporting XSAVE feature 0x008: 'MPX bounds registers' <6>[ 0.000000] x86/fpu: Supporting XSAVE feature 0x010: 'MPX CSR' <6>[ 0.000000] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 <6>[ 0.000000] x86/fpu: xstate_offset[3]: 832, xstate_sizes[3]: 64 <6>[ 0.000000] x86/fpu: xstate_offset[4]: 896, xstate_sizes[4]: 64 <6>[ 0.000000] x86/fpu: Enabled xstate features 0x1f, context size is 960 bytes, using 'compacted' format. <6>[ 0.000000] BIOS-provided physical RAM map: <6>[ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x0000000000000fff] type 16 <6>[ 0.000000] BIOS-e820: [mem 0x0000000000001000-0x000000000009ffff] usable <6>[ 0.000000] BIOS-e820: [mem 0x00000000000a0000-0x00000000000fffff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000007a997fff] usable <6>[ 0.000000] BIOS-e820: [mem 0x000000007a998000-0x000000007affffff] type 16 <6>[ 0.000000] BIOS-e820: [mem 0x000000007b000000-0x000000007fffffff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x00000000e0000000-0x00000000e3ffffff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x00000000fe000000-0x00000000fe00ffff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x00000000fed10000-0x00000000fed19fff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x00000000fed80000-0x00000000fed84fff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x00000000fed90000-0x00000000fed91fff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000017effffff] usable <6>[ 0.000000] NX (Execute Disable) protection: active <6>[ 0.000000] SMBIOS 2.7 present. <6>[ 0.000000] DMI: Google Rammus/Rammus, BIOS 09/04/2020 <6>[ 0.000000] tsc: Detected 1600.000 MHz processor <6>[ 0.000000] tsc: Detected 1599.960 MHz TSC <6>[ 0.000057] last_pfn = 0x17f000 max_arch_pfn = 0x400000000 <6>[ 0.001401] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT <6>[ 0.007263] last_pfn = 0x7a998 max_arch_pfn = 0x400000000 <6>[ 0.026902] check: Scanning 1 areas for low memory corruption <6>[ 0.026917] Using GB pages for direct mapping <6>[ 0.027762] RAMDISK: [mem 0x377c5000-0x37ffffff] <6>[ 0.027770] ACPI: Early table checksum verification disabled <6>[ 0.027779] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) <6>[ 0.027793] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.027811] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.027827] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531) <6>[ 0.027840] ACPI: FACS 0x000000007AA9A240 000040 <6>[ 0.027852] ACPI: FACS 0x000000007AA9A240 000040 <6>[ 0.027864] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE COREBOOT 0000002A CORE 0000002A) <6>[ 0.027877] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.027890] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.027902] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.027915] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS 00000000 CORE 00000000) <6>[ 0.027928] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.027940] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.027953] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.027965] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63] <6>[ 0.027971] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962] <6>[ 0.027976] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] <6>[ 0.027981] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] <6>[ 0.027985] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969] <6>[ 0.027990] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab] <6>[ 0.027995] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef] <6>[ 0.028000] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b] <6>[ 0.028005] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b] <6>[ 0.028010] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607] <6>[ 0.028015] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670] <6>[ 0.028020] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7] <6>[ 0.028159] No NUMA configuration found <6>[ 0.028165] Faking a node at [mem 0x0000000000000000-0x000000017effffff] <6>[ 0.028174] NODE_DATA(0) allocated [mem 0x17effa000-0x17effdfff] <6>[ 0.028221] Zone ranges: <6>[ 0.028226] DMA [mem 0x0000000000001000-0x0000000000ffffff] <6>[ 0.028234] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] <6>[ 0.028242] Normal [mem 0x0000000100000000-0x000000017effffff] <6>[ 0.028249] Movable zone start for each node <6>[ 0.028254] Early memory node ranges <6>[ 0.028259] node 0: [mem 0x0000000000001000-0x000000000009ffff] <6>[ 0.028264] node 0: [mem 0x0000000000100000-0x000000007a997fff] <6>[ 0.028270] node 0: [mem 0x0000000100000000-0x000000017effffff] <6>[ 0.028276] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff] <6>[ 0.028313] On node 0, zone DMA: 1 pages in unavailable ranges <6>[ 0.028359] On node 0, zone DMA: 96 pages in unavailable ranges <6>[ 0.040120] On node 0, zone Normal: 22120 pages in unavailable ranges <6>[ 0.040192] On node 0, zone Normal: 4096 pages in unavailable ranges <6>[ 0.040219] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] <6>[ 0.040582] ACPI: PM-Timer IO Port: 0x1808 <6>[ 0.040638] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 <6>[ 0.040652] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) <6>[ 0.040659] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) <6>[ 0.040674] Using ACPI (MADT) for SMP configuration information <6>[ 0.040681] ACPI: HPET id: 0x8086a701 base: 0xfed00000 <6>[ 0.040689] TSC deadline timer available <6>[ 0.040694] smpboot: Allowing 4 CPUs, 0 hotplug CPUs <6>[ 0.040726] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] <6>[ 0.040733] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] <6>[ 0.040739] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff] <6>[ 0.040743] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] <6>[ 0.040748] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff] <6>[ 0.040753] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff] <6>[ 0.040757] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff] <6>[ 0.040762] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff] <6>[ 0.040766] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff] <6>[ 0.040771] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff] <6>[ 0.040775] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff] <6>[ 0.040780] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff] <6>[ 0.040785] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff] <6>[ 0.040789] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff] <6>[ 0.040794] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff] <6>[ 0.040803] [mem 0x80000000-0xdfffffff] available for PCI devices <6>[ 0.040811] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns <6>[ 0.055746] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 <6>[ 0.056044] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 <6>[ 0.056129] Built 1 zonelists, mobility grouping on. Total pages: 1006266 <6>[ 0.056135] Policy zone: Normal <5>[ 0.056150] Kernel command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console_msg_format=syslog earlycon console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/8967664/extract-nfsrootfs-xjy3czv9,tcp,hard ip=dhcp tftpserverip=192.168.201.1 <6>[ 0.056724] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) <6>[ 0.056985] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) <6>[ 0.057079] mem auto-init: stack:off, heap alloc:off, heap free:off <6>[ 0.079229] Memory: 3888356K/4089052K available (18450K kernel code, 3461K rwdata, 7996K rodata, 2016K init, 13308K bss, 200436K reserved, 0K cma-reserved) <6>[ 0.079391] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 <6>[ 0.079456] Kernel/User page tables isolation: enabled <6>[ 0.079558] ftrace: allocating 52837 entries in 207 pages <6>[ 0.141609] ftrace: allocated 207 pages with 6 groups <6>[ 0.141914] Running RCU self tests <6>[ 0.141946] rcu: Hierarchical RCU implementation. <6>[ 0.141952] rcu: RCU event tracing is enabled. <6>[ 0.141956] rcu: RCU lockdep checking is enabled. <6>[ 0.141962] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. <6>[ 0.141968] Rude variant of Tasks RCU enabled. <6>[ 0.141973] Tracing variant of Tasks RCU enabled. <6>[ 0.141979] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. <6>[ 0.141984] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 <6>[ 0.153198] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 <5>[ 0.153688] random: crng init done <6>[ 0.153801] Console: colour dummy device 80x25 <6>[ 0.232386] printk: console [ttyS0] enabled <4>[ 0.232777] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar <4>[ 0.233461] ... MAX_LOCKDEP_SUBCLASSES: 8 <4>[ 0.233843] ... MAX_LOCK_DEPTH: 48 <4>[ 0.234233] ... MAX_LOCKDEP_KEYS: 8192 <4>[ 0.234637] ... CLASSHASH_SIZE: 4096 <4>[ 0.235040] ... MAX_LOCKDEP_ENTRIES: 32768 <4>[ 0.235451] ... MAX_LOCKDEP_CHAINS: 65536 <4>[ 0.235862] ... CHAINHASH_SIZE: 32768 <4>[ 0.236273] memory used by lock dependency info: 6365 kB <4>[ 0.236763] memory used for stack traces: 4224 kB <4>[ 0.237203] per task-struct memory footprint: 1920 bytes <6>[ 0.237765] ACPI: Core revision 20200925 <6>[ 0.238395] hpet: HPET dysfunctional in PC10. Force disabled. <6>[ 0.238916] APIC: Switch to symmetric I/O mode setup <6>[ 0.243340] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns <6>[ 0.244285] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960) <6>[ 0.245214] pid_max: default: 32768 minimum: 301 <6>[ 0.245266] LSM: Security Framework initializing <6>[ 0.245266] SELinux: Initializing. <6>[ 0.245266] LSM support for eBPF active <6>[ 0.245266] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) <6>[ 0.245266] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) <6>[ 0.245266] mce: CPU0: Thermal monitoring enabled (TM1) <6>[ 0.245266] process: using mwait in idle threads <6>[ 0.245266] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 <6>[ 0.245266] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 <6>[ 0.245266] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization <6>[ 0.245266] Spectre V2 : Mitigation: IBRS <6>[ 0.245266] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch <6>[ 0.245266] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT <6>[ 0.245266] RETBleed: Mitigation: IBRS <6>[ 0.245266] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier <6>[ 0.245266] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp <6>[ 0.245266] MDS: Vulnerable: Clear CPU buffers attempted, no microcode <6>[ 0.245266] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode <6>[ 0.245266] SRBDS: Vulnerable: No microcode <4>[ 0.245266] ------------[ cut here ]------------ <4>[ 0.245266] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 <4>[ 0.245266] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:712 apply_returns+0x1f5/0x220 <4>[ 0.245266] Modules linked in: <4>[ 0.245266] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.166-cip25 #1 <4>[ 0.245266] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 0.245266] RIP: 0010:apply_returns+0x1f5/0x220 <4>[ 0.245266] 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 d8 24 1f 8a c6 05 9e 4c e4 01 01 e8 9d 13 e6 00 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc <4>[ 0.245266] RSP: 0000:ffffffff8a403de0 EFLAGS: 00010282 <4>[ 0.245266] RAX: 0000000000000000 RBX: ffffffff8aed3490 RCX: 0000000000000000 <4>[ 0.245266] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8897aba1 <4>[ 0.245266] RBP: ffffffff89ed15a0 R08: 0000000000000001 R09: 0000000000000001 <4>[ 0.245266] R10: ffffffff8a48fec0 R11: 3fffffffffffffff R12: ffffffff8aeea6e8 <4>[ 0.245266] R13: cccccccccccccccc R14: ffffffff89ed15a5 R15: 0000000000000004 <4>[ 0.245266] FS: 0000000000000000(0000) GS:ffff91233ac00000(0000) knlGS:0000000000000000 <4>[ 0.245266] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 0.245266] CR2: ffff91233efff000 CR3: 000000003b226001 CR4: 00000000003706f0 <4>[ 0.245266] Call Trace: <4>[ 0.245266] alternative_instructions+0x7d/0x143 <4>[ 0.245266] check_bugs+0xece/0xf2a <4>[ 0.245266] start_kernel+0x517/0x54d <4>[ 0.245266] secondary_startup_64_no_verify+0xc2/0xcb <4>[ 0.245266] irq event stamp: 162507 <4>[ 0.245266] hardirqs last enabled at (162515): [] console_unlock+0x4d1/0x5f0 <4>[ 0.245266] hardirqs last disabled at (162522): [] console_unlock+0x444/0x5f0 <4>[ 0.245266] softirqs last enabled at (1804): [] cgroup_idr_alloc.constprop.0+0x5b/0xe0 <4>[ 0.245266] softirqs last disabled at (1802): [] cgroup_idr_alloc.constprop.0+0x2e/0xe0 <4>[ 0.245266] ---[ end trace 87e3e0b4378e085c ]--- <6>[ 0.245266] Freeing SMP alternatives memory: 44K <6>[ 0.245266] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9) <6>[ 0.246313] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver. <6>[ 0.247266] ... version: 4 <6>[ 0.247275] ... bit width: 48 <6>[ 0.247663] ... generic registers: 4 <6>[ 0.248042] ... value mask: 0000ffffffffffff <6>[ 0.248275] ... max period: 00007fffffffffff <6>[ 0.248763] ... fixed-purpose events: 3 <6>[ 0.249141] ... event mask: 000000070000000f <6>[ 0.250022] rcu: Hierarchical SRCU implementation. <6>[ 0.252805] smp: Bringing up secondary CPUs ... <6>[ 0.254232] x86: Booting SMP configuration: <6>[ 0.254304] .... node #0, CPUs: #1 <4>[ 0.255797] 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. <4>[ 0.257278] 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. <4>[ 0.259119] #2 #3 <6>[ 0.262351] smp: Brought up 1 node, 4 CPUs <6>[ 0.262976] smpboot: Max logical packages: 1 <6>[ 0.263276] smpboot: Total of 4 processors activated (12799.68 BogoMIPS) <6>[ 0.266282] devtmpfs: initialized <6>[ 0.267058] x86/mm: Memory block size: 128MB <6>[ 0.272554] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns <6>[ 0.273298] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) <6>[ 0.274506] pinctrl core: initialized pinctrl subsystem <6>[ 0.275494] PM: RTC time: 09:53:24, date: 2023-02-01 <6>[ 0.276720] NET: Registered protocol family 16 <6>[ 0.278194] audit: initializing netlink subsys (disabled) <5>[ 0.278340] audit: type=2000 audit(1675245204.034:1): state=initialized audit_enabled=0 res=1 <6>[ 0.279462] thermal_sys: Registered thermal governor 'step_wise' <6>[ 0.279470] thermal_sys: Registered thermal governor 'user_space' <6>[ 0.280072] cpuidle: using governor menu <6>[ 0.280500] ACPI: bus type PCI registered <6>[ 0.281505] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000) <6>[ 0.282282] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820 <6>[ 0.282936] PCI: Using configuration type 1 for base access <6>[ 0.315759] Kprobes globally optimized <6>[ 0.316455] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages <6>[ 0.317280] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages <6>[ 0.318118] cryptomgr_test (39) used greatest stack depth: 14880 bytes left <6>[ 0.321679] ACPI: Added _OSI(Module Device) <6>[ 0.322282] ACPI: Added _OSI(Processor Device) <6>[ 0.322700] ACPI: Added _OSI(3.0 _SCP Extensions) <6>[ 0.323139] ACPI: Added _OSI(Processor Aggregator Device) <6>[ 0.323308] ACPI: Added _OSI(Linux-Dell-Video) <6>[ 0.323727] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) <6>[ 0.324218] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) <6>[ 0.341367] ACPI: 2 ACPI AML tables successfully acquired and loaded <6>[ 0.352984] ACPI: EC: EC started <6>[ 0.353273] ACPI: EC: interrupt blocked <6>[ 0.354699] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 <6>[ 0.355172] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions <6>[ 0.355277] ACPI: Interpreter enabled <6>[ 0.355727] ACPI: (supports S0 S3 S4 S5) <6>[ 0.356102] ACPI: Using IOAPIC for interrupt routing <6>[ 0.356381] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug <6>[ 0.381219] ACPI: Power Resource [PRIC] (on) <6>[ 0.514884] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) <6>[ 0.515289] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] <6>[ 0.516506] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] <6>[ 0.517218] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge <6>[ 0.518133] PCI host bridge to bus 0000:00 <6>[ 0.518280] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] <6>[ 0.518894] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] <6>[ 0.519279] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] <6>[ 0.519950] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window] <6>[ 0.520277] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window] <6>[ 0.520948] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window] <6>[ 0.521277] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window] <6>[ 0.521947] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window] <6>[ 0.522277] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window] <6>[ 0.522947] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window] <6>[ 0.523277] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window] <6>[ 0.523947] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window] <6>[ 0.524277] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window] <6>[ 0.524948] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window] <6>[ 0.525277] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window] <6>[ 0.525947] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window] <6>[ 0.526277] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window] <6>[ 0.526948] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window] <6>[ 0.527277] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window] <6>[ 0.527948] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window] <6>[ 0.528278] pci_bus 0000:00: root bus resource [bus 00-ff] <6>[ 0.528900] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000 <6>[ 0.530808] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000 <6>[ 0.531308] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit] <6>[ 0.531938] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref] <6>[ 0.532289] pci 0000:00:02.0: reg 0x20: [io 0x1c00-0x1c3f] <6>[ 0.533796] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000 <6>[ 0.534309] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit] <6>[ 0.536086] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000 <6>[ 0.536309] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit] <6>[ 0.537929] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330 <6>[ 0.538322] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit] <6>[ 0.539113] pci 0000:00:14.0: PME# supported from D3hot D3cold <6>[ 0.540442] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000 <6>[ 0.541035] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit] <6>[ 0.542312] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000 <6>[ 0.542911] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit] <6>[ 0.544527] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000 <6>[ 0.545128] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit] <6>[ 0.546556] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000 <6>[ 0.547157] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit] <6>[ 0.547315] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit] <6>[ 0.549121] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000 <6>[ 0.549330] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit] <6>[ 0.551200] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400 <6>[ 0.551525] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold <6>[ 0.553277] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000 <6>[ 0.553877] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit] <6>[ 0.555500] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000 <6>[ 0.556099] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit] <6>[ 0.557521] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501 <6>[ 0.558114] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit] <6>[ 0.559660] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501 <6>[ 0.560258] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit] <6>[ 0.561486] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100 <6>[ 0.563208] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000 <6>[ 0.563315] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff] <6>[ 0.565024] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100 <6>[ 0.565329] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit] <6>[ 0.566007] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit] <6>[ 0.566412] pci 0000:00:1f.3: PME# supported from D3hot D3cold <6>[ 0.568114] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500 <6>[ 0.568348] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit] <6>[ 0.569039] pci 0000:00:1f.4: reg 0x20: [io 0xefa0-0xefbf] <6>[ 0.570403] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000 <6>[ 0.570988] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff] <6>[ 0.573077] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 <6>[ 0.574222] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit] <6>[ 0.578869] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold <6>[ 0.581820] pci 0000:00:1c.0: PCI bridge to [bus 01] <6>[ 0.582295] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] <6>[ 0.584902] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.585709] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15) <6>[ 0.586716] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.587693] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.588688] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.589689] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.590695] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.591693] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.600699] ACPI: EC: interrupt unblocked <6>[ 0.601097] ACPI: EC: event unblocked <6>[ 0.601274] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 <6>[ 0.601749] ACPI: EC: GPE=0x6e <6>[ 0.602058] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete <6>[ 0.602281] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events <6>[ 0.603558] iommu: Default domain type: Translated <6>[ 0.604534] pci 0000:00:02.0: vgaarb: setting as boot VGA device <6>[ 0.604944] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none <6>[ 0.605306] pci 0000:00:02.0: vgaarb: bridge control possible <6>[ 0.605832] vgaarb: loaded <5>[ 0.606861] SCSI subsystem initialized <6>[ 0.607604] ACPI: bus type USB registered <6>[ 0.608154] usbcore: registered new interface driver usbfs <6>[ 0.608360] usbcore: registered new interface driver hub <6>[ 0.608905] usbcore: registered new device driver usb <6>[ 0.609453] pps_core: LinuxPPS API ver. 1 registered <6>[ 0.609913] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <6>[ 0.610291] PTP clock support registered <6>[ 0.611433] Advanced Linux Sound Architecture Driver Initialized. <6>[ 0.613400] NetLabel: Initializing <6>[ 0.613734] NetLabel: domain hash size = 128 <6>[ 0.614143] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO <6>[ 0.614374] NetLabel: unlabeled traffic allowed by default <6>[ 0.615005] PCI: Using ACPI for IRQ routing <6>[ 0.623209] clocksource: Switched to clocksource tsc-early <5>[ 1.157611] VFS: Disk quotas dquot_6.6.0 <6>[ 1.158049] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) <6>[ 1.159205] pnp: PnP ACPI init <6>[ 1.160625] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved <6>[ 1.161230] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved <6>[ 1.161861] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved <6>[ 1.162487] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved <6>[ 1.163088] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved <6>[ 1.163713] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved <6>[ 1.164368] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved <6>[ 1.164999] system 00:00: [mem 0xff000000-0xffffffff] has been reserved <6>[ 1.165622] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved <6>[ 1.166225] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved <6>[ 1.168101] system 00:01: [io 0x1800-0x18fe] has been reserved <6>[ 1.169208] system 00:03: [io 0x0900-0x09fe] has been reserved <6>[ 1.170122] system 00:04: [io 0x0200] has been reserved <6>[ 1.170643] system 00:04: [io 0x0204] has been reserved <6>[ 1.171139] system 00:04: [io 0x0800-0x087f] has been reserved <6>[ 1.171705] system 00:04: [io 0x0880-0x08ff] has been reserved <6>[ 1.175796] pnp: PnP ACPI: found 6 devices <6>[ 1.193604] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns <6>[ 1.194569] NET: Registered protocol family 2 <6>[ 1.195166] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) <6>[ 1.197925] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) <6>[ 1.199001] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) <6>[ 1.199988] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) <6>[ 1.202947] TCP: Hash tables configured (established 32768 bind 32768) <6>[ 1.203963] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) <6>[ 1.205004] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) <6>[ 1.205942] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) <6>[ 1.207079] NET: Registered protocol family 1 <6>[ 1.208419] RPC: Registered named UNIX socket transport module. <6>[ 1.208989] RPC: Registered udp transport module. <6>[ 1.209450] RPC: Registered tcp transport module. <6>[ 1.209890] RPC: Registered tcp NFSv4.1 backchannel transport module. <6>[ 1.211224] NET: Registered protocol family 44 <6>[ 1.211691] pci 0000:00:1c.0: PCI bridge to [bus 01] <6>[ 1.212167] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] <6>[ 1.212815] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] <6>[ 1.213468] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] <6>[ 1.214031] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] <6>[ 1.214669] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window] <6>[ 1.215309] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window] <6>[ 1.215930] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window] <6>[ 1.216568] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window] <6>[ 1.217196] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window] <6>[ 1.217840] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window] <6>[ 1.218487] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window] <6>[ 1.219116] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window] <6>[ 1.219762] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window] <6>[ 1.220415] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window] <6>[ 1.221044] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window] <6>[ 1.221689] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window] <6>[ 1.222335] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window] <6>[ 1.222963] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window] <6>[ 1.223608] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window] <6>[ 1.224250] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window] <6>[ 1.224895] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window] <6>[ 1.225543] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff] <6>[ 1.226748] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] <6>[ 1.230311] PCI: CLS 64 bytes, default 64 <6>[ 1.231173] Unpacking initramfs... <6>[ 1.603621] Freeing initrd memory: 8428K <6>[ 1.604083] DMAR: Host address width 39 <6>[ 1.604503] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 <6>[ 1.605067] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e <6>[ 1.605837] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff <6>[ 1.606427] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 <6>[ 1.606938] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da <6>[ 1.607777] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) <6>[ 1.608379] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB) <6>[ 1.609401] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer <6>[ 1.610107] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules <6>[ 1.610738] RAPL PMU: hw unit of domain package 2^-14 Joules <6>[ 1.611255] RAPL PMU: hw unit of domain dram 2^-14 Joules <6>[ 1.611774] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules <6>[ 1.612305] RAPL PMU: hw unit of domain psys 2^-14 Joules <3>[ 1.615097] kvm: already loaded the other module <6>[ 1.618625] check: Scanning for low memory corruption every 60 seconds <5>[ 1.623503] Initialise system trusted keyrings <6>[ 1.624238] workingset: timestamp_bits=56 max_order=20 bucket_order=0 <5>[ 1.652027] NFS: Registering the id_resolver key type <5>[ 1.652563] Key type id_resolver registered <5>[ 1.652988] Key type id_legacy registered <5>[ 1.676254] Key type asymmetric registered <5>[ 1.676705] Asymmetric key parser 'x509' registered <6>[ 1.677222] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) <6>[ 1.677933] io scheduler mq-deadline registered <6>[ 1.678377] io scheduler kyber registered <4>[ 1.679054] test_firmware: interface ready <6>[ 1.681543] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120 <6>[ 1.683797] ACPI: AC Adapter [AC] (on-line) <6>[ 1.684724] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0 <6>[ 1.686701] ACPI: Lid Switch [LID0] <6>[ 1.687415] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 <6>[ 1.688464] ACPI: Power Button [PWRF] <6>[ 1.689407] ACPI: \_PR_.CP00: Found 3 idle states <6>[ 1.690829] ACPI: \_PR_.CP01: Found 3 idle states <6>[ 1.692064] ACPI: \_PR_.CP02: Found 3 idle states <6>[ 1.693346] ACPI: \_PR_.CP03: Found 3 idle states <6>[ 1.695386] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled <4>[ 1.700551] hpet_acpi_add: no address or irqs in _CRS <6>[ 1.701562] Non-volatile memory driver v1.3 <6>[ 1.702325] Linux agpgart interface v0.103 <6>[ 1.702466] battery: ACPI: Battery Slot [BAT0] (battery present) <6>[ 1.706624] i915 0000:00:02.0: vgaarb: deactivate vga console <6>[ 1.759901] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem <6>[ 1.764640] i915 0000:00:02.0: [drm] Finished loading DMC firmware i915/kbl_dmc_ver1_04.bin (v1.4) <6>[ 1.792936] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 <6>[ 1.797552] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 <6>[ 1.821401] loop: module loaded <6>[ 1.822806] lkdtm: No crash points registered, enable through debugfs <6>[ 1.855322] printk: console [ttyS0] disabled <6>[ 1.856903] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A <6>[ 2.643459] tsc: Refined TSC clocksource calibration: 1607.999 MHz <6>[ 2.650088] printk: console [ttyS0] enabled <6>[ 2.658868] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172da94f0e2, max_idle_ns: 440795278248 ns <6>[ 2.685239] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A <6>[ 5.420442] fbcon: i915drmfb (fb0) is primary device <6>[ 5.422539] clocksource: Switched to clocksource tsc <4>[ 5.423040] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO <6>[ 5.433832] e100: Intel(R) PRO/100 Network Driver <6>[ 5.433838] e100: Copyright(c) 1999-2006 Intel Corporation <6>[ 5.433946] e1000: Intel(R) PRO/1000 Network Driver <6>[ 5.433950] e1000: Copyright (c) 1999-2006 Intel Corporation. <6>[ 5.434075] e1000e: Intel(R) PRO/1000 Network Driver <6>[ 5.434078] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. <6>[ 5.434255] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2 <6>[ 5.434359] sky2: driver version 1.30 <6>[ 5.434891] usbcore: registered new interface driver r8152 <6>[ 5.435665] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver <6>[ 5.435696] ehci-pci: EHCI PCI platform driver <6>[ 5.435808] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver <6>[ 5.435849] ohci-pci: OHCI PCI platform driver <6>[ 5.435939] uhci_hcd: USB Universal Host Controller Interface driver <6>[ 5.437751] xhci_hcd 0000:00:14.0: xHCI Host Controller <6>[ 5.439039] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 <6>[ 5.440602] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 <6>[ 5.440685] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported <6>[ 5.443495] xhci_hcd 0000:00:14.0: xHCI Host Controller <6>[ 5.444176] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 <6>[ 5.444196] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed <6>[ 5.444910] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 <6>[ 5.444938] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 <6>[ 5.444945] usb usb1: Product: xHCI Host Controller <6>[ 5.444950] usb usb1: Manufacturer: Linux 5.10.166-cip25 xhci-hcd <6>[ 5.444955] usb usb1: SerialNumber: 0000:00:14.0 <6>[ 5.447177] hub 1-0:1.0: USB hub found <6>[ 5.447430] hub 1-0:1.0: 12 ports detected <6>[ 5.452958] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 <6>[ 5.452966] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 <6>[ 5.452970] usb usb2: Product: xHCI Host Controller <6>[ 5.452975] usb usb2: Manufacturer: Linux 5.10.166-cip25 xhci-hcd <6>[ 5.452980] usb usb2: SerialNumber: 0000:00:14.0 <6>[ 5.454535] hub 2-0:1.0: USB hub found <6>[ 5.454618] hub 2-0:1.0: 6 ports detected <6>[ 5.457405] usbcore: registered new interface driver usblp <6>[ 5.457520] usbcore: registered new interface driver usb-storage <6>[ 5.458166] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers <6>[ 5.458372] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 <4>[ 5.458376] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp <4>[ 5.459199] i8042: Warning: Keylock active <6>[ 5.459539] serio: i8042 KBD port at 0x60,0x64 irq 1 <6>[ 5.460742] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0) <6>[ 5.463020] rtc_cmos 00:02: RTC can wake from S4 <6>[ 5.463391] Console: switching to colour frame buffer device 240x67 <6>[ 5.466137] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 <6>[ 5.466686] rtc_cmos 00:02: registered as rtc0 <6>[ 5.467069] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram <6>[ 5.468786] i801_smbus 0000:00:1f.4: SPD Write Disable is set <6>[ 5.468844] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt <6>[ 5.470136] i2c i2c-9: 2/2 memory slots populated (from DMI) <6>[ 5.472160] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com <6>[ 5.472214] intel_pstate: Intel P-state driver initializing <6>[ 5.473619] intel_pstate: HWP enabled <6>[ 5.473680] sdhci: Secure Digital Host Controller Interface driver <6>[ 5.473682] sdhci: Copyright(c) Pierre Ossman <6>[ 5.473739] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21) <6>[ 5.475420] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit <6>[ 5.481140] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device <6>[ 5.487194] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 5.693751] mmc0: new HS400 MMC card at address 0001 <6>[ 5.697071] hid: raw HID events driver (C) Jiri Kosina <6>[ 5.704073] usb 1-3: new full-speed USB device number 2 using xhci_hcd <6>[ 5.710354] usbcore: registered new interface driver usbhid <6>[ 5.716943] mmcblk0: mmc0:0001 DA4064 58.2 GiB <6>[ 5.722140] usbhid: USB HID core driver <6>[ 5.726863] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB <6>[ 5.732061] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3 <6>[ 5.738161] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB <6>[ 5.751268] cros_ec_lpcs GOOG0004:00: Chrome EC device registered <6>[ 5.756217] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (246:0) <6>[ 5.764068] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100 <6>[ 5.791831] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 <6>[ 5.794798] ipip: IPv4 and MPLS over IPv4 tunneling driver <6>[ 5.865829] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 <6>[ 5.866903] gre: GRE over IPv4 demultiplexor driver <6>[ 5.870332] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 <6>[ 5.877519] ip_gre: GRE over IPv4 tunneling driver <6>[ 5.878404] IPv4 over IPsec tunneling driver <6>[ 5.926229] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) <6>[ 5.927585] Initializing XFRM netlink socket <3>[ 5.950106] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up <6>[ 5.951968] NET: Registered protocol family 10 <6>[ 5.976078] 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 <6>[ 5.979572] Segment Routing with IPv6 <6>[ 5.985788] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd <6>[ 5.995746] ip6_gre: GRE over IPv6 tunneling driver <6>[ 6.017331] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 <6>[ 6.018064] NET: Registered protocol family 17 <6>[ 6.027056] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6 <5>[ 6.033007] Key type dns_resolver registered <6>[ 6.041097] usb 2-3: Product: USB 10/100/1000 LAN <6>[ 6.041100] usb 2-3: Manufacturer: Realtek <6>[ 6.149638] usb 2-3: SerialNumber: 001000001 <6>[ 6.155007] microcode: sig=0x806e9, pf=0x10, revision=0x98 <6>[ 6.161579] microcode: Microcode Update Driver: v2.2. <6>[ 6.161599] IPI shorthand broadcast: enabled <6>[ 6.172654] sched_clock: Marking stable (6081995830, 90621500)->(6294903844, -122286514) <6>[ 6.182219] registered taskstats version 1 <5>[ 6.187106] Loading compiled-in X.509 certificates <6>[ 6.194653] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.204876] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.206320] usb 1-9: new high-speed USB device number 3 using xhci_hcd <6>[ 6.214735] PM: Magic number: 11:341:878 <6>[ 6.225899] i2c i2c-8: hash matches <6>[ 6.230315] printk: console [netcon0] enabled <6>[ 6.235508] netconsole: network logging started <6>[ 6.388218] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07 <6>[ 6.397711] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2 <6>[ 6.406012] usb 1-9: Product: USB2.0 HD UVC WebCam <6>[ 6.411688] usb 1-9: Manufacturer: Azurewave <6>[ 6.416807] usb 1-9: SerialNumber: 0x0001 <6>[ 6.430079] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.474686] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd <6>[ 6.526670] r8152 2-3:1.0: load rtl8153b-2 v1 10/23/19 successfully <6>[ 6.568731] r8152 2-3:1.0 eth0: v1.11.11 <6>[ 6.574210] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <3>[ 6.574988] IP-Config: Failed to open gretap0 <3>[ 6.587982] IP-Config: Failed to open erspan0 <5>[ 6.610518] Sending DHCP requests . <6>[ 8.165461] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready <6>[ 8.177645] r8152 2-3:1.0 eth0: carrier on <4>[ 8.822444] ., OK <6>[ 8.830998] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.11 <6>[ 8.840329] IP-Config: Complete: <6>[ 8.844261] device=eth0, hwaddr=00:e0:4c:68:01:e7, ipaddr=192.168.201.11, mask=255.255.255.0, gw=192.168.201.1 <6>[ 8.856253] host=asus-C433TA-AJ0005-rammus-cbg-1, domain=lava-rack, nis-domain=(none) <6>[ 8.865800] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= <6>[ 8.865803] nameserver0=192.168.201.1 <5>[ 8.879239] cfg80211: Loading compiled-in X.509 certificates for regulatory database <6>[ 8.891142] modprobe (100) used greatest stack depth: 14208 bytes left <5>[ 8.894392] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' <4>[ 8.906592] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 <6>[ 8.907401] ALSA device list: <6>[ 8.916591] cfg80211: failed to load regulatory.db <6>[ 8.920181] No soundcards found. <4>[ 8.930379] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console <6>[ 8.940563] Freeing unused kernel image (initmem) memory: 2016K <6>[ 8.959577] Write protecting the kernel read-only data: 28672k <6>[ 8.967591] Freeing unused kernel image (text/rodata gap) memory: 2028K <6>[ 8.975647] Freeing unused kernel image (rodata/data gap) memory: 196K <6>[ 8.983462] Run /init as init process <6>[ 8.993107] cat (110) used greatest stack depth: 14016 bytes left Loading, please wait... <6>[ 9.000802] mount (111) used greatest stack depth: 13688 bytes left Starting version 247.3-7+deb11u1 <6>[ 9.066359] udevadm (124) used greatest stack depth: 13576 bytes left <4>[ 9.226698] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. <6>[ 9.236010] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 9.272754] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 9.321603] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 9.332884] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 9.343241] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 9.353646] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 9.372579] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 9.383076] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 9.393407] 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/erspan0 found done. IP-Config: erspan0 hardware address 00:00:00:00:00:00 mtu 1450 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: eth0 hardware address 00:e0:4c:68:01:e7 mtu 1500 DHCP IP-Config: gretap0 hardware address 00:00:00:00:00:00 mtu 1462 DHCP SIOCSIFFLAGS: Cannot assign requested address 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 : <6>[ 9.577671] nfsmount (162) 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 <30>[ 10.773091] 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) <30>[ 10.811581] systemd[1]: Detected architecture x86-64. Welcome to Debian GNU/Linux 11 (bullseye)! <30>[ 10.841177] systemd[1]: Set hostname to . <30>[ 11.288776] systemd[1]: Queued start job for default target Graphical Interface. <30>[ 11.300505] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. <30>[ 11.317976] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. <30>[ 11.334978] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. <30>[ 11.351952] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. <30>[ 11.368866] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. <30>[ 11.390753] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. <30>[ 11.410541] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [ OK ] Set up automount Arbitrary…s File System Automount Point. <30>[ 11.433666] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. <30>[ 11.449589] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. <30>[ 11.463632] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. <30>[ 11.479540] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. <30>[ 11.493630] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. <30>[ 11.504891] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. <30>[ 11.523687] systemd[1]: Listening on Journal Audit Socket. [ OK ] Listening on Journal Audit Socket. <30>[ 11.540558] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). <30>[ 11.558341] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. <30>[ 11.574883] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. <30>[ 11.593816] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. <30>[ 11.610071] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. <30>[ 11.628222] systemd[1]: Mounting Huge Pages File System... Mounting Huge Pages File System... <30>[ 11.646210] systemd[1]: Mounting POSIX Message Queue File System... Mounting POSIX Message Queue File System... <30>[ 11.664867] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... <30>[ 11.681937] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... <30>[ 11.701184] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... <30>[ 11.723176] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... <30>[ 11.741347] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... <30>[ 11.757307] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... <30>[ 11.795320] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. <6>[ 11.806125] fuse: init (API version 7.32) <30>[ 11.812647] systemd[1]: Starting Journal Service... Starting Journal Service... <30>[ 11.830614] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... <30>[ 11.844974] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... <30>[ 11.863172] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... <30>[ 11.881787] systemd[1]: Mounted Huge Pages File System. [ OK ] Mounted Huge Pages File System. <30>[ 11.898845] systemd[1]: Mounted POSIX Message Queue File System. [ OK ] Mounted POSIX Message Queue File System. <30>[ 11.915671] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. <30>[ 11.931678] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. <30>[ 11.949069] systemd[1]: Finished Create list of static device nodes for the current kernel. [ OK ] Finished Create list of st… nodes for the current kernel. <30>[ 11.972562] systemd[1]: modprobe@configfs.service: Succeeded. <30>[ 11.980293] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. <30>[ 11.996708] systemd[1]: Started Journal Service. [ OK ] Started Journal Service. [ OK ] Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Modules. [ OK ] Finished Remount Root and Kernel File Systems. 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<46>[ 12.124752] systemd-journald[198]: 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. <6>[ 13.626938] systemd-tmpfile (209) used greatest stack depth: 12528 bytes left [ 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 ] Finished 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 ] Listening on Load/Save RF …itch Status /dev/rfkill Watch. [ OK ] Finished Load/Save Screen … of backlight:intel_backlight. [ 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 ] Started Network Service. Starting Network Name Resolution... [ OK ] Started User Login Management. [ OK ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots. [ 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 5.10.166-cip25 #1 SMP Wed Feb 1 09:43:33 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/8967664/extract-nfsrootfs-xjy3czv9' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/8967664/extract-nfsrootfs-xjy3czv9' / # 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-8967664/environment . /lava-8967664/environment / # /lava-8967664/bin/lava-test-runner /lava-8967664/0 /lava-8967664/bin/lava-test-runner /lava-8967664/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-8967664/0/tests/0_timesync-off ++ cat uuid + UUID=8967664_1.5.2.3.1 + set +x + systemctl stop systemd-timesyncd + set +x + export TESTRUN_ID=1_kselftest-lkdtm + TESTRUN_ID=1_kselftest-lkdtm + cd /lava-8967664/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=8967664_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-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.165-cip25-144-g43e1d8dfbb26/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz -L '' -S skipfile-lkft.yaml -b asus-C433TA-AJ0005-rammus -g cip-gitlab -e '' -p /opt/kselftests/mainline/ -n 1 -i 1 INFO: Generating a skipfile based on /lava-8967664/0/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 --2023-02-01 09:53:43-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.165-cip25-144-g43e1d8dfbb26/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: 3599412 (3.4M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 47.81K 165KB/s kselftest.tar.xz 6%[> ] 214.67K 368KB/s kselftest.tar.xz 23%[===> ] 828.37K 773KB/s kselftest.tar.xz 69%[============> ] 2.40M 1.83MB/s kselftest.tar.xz 100%[===================>] 3.43M 2.27MB/s in 1.5s 2023-02-01 09:53:45 (2.27 MB/s) - 'kselftest.tar.xz' saved [3599412/3599412] 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 =============== <12>[ 30.006548] 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 <6>[ 30.178149] lkdtm: Performing direct entry BUG <4>[ 30.183487] ------------[ cut here ]------------ <2>[ 30.188978] kernel BUG at drivers/misc/lkdtm/bugs.c:76! <4>[ 30.195182] invalid opcode: 0000 [#1] SMP PTI <4>[ 30.200346] CPU: 0 PID: 641 Comm: cat Tainted: G W 5.10.166-cip25 #1 <4>[ 30.209193] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 30.216286] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 30.220961] Code: 89 ff e8 de 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 60 7d 92 02 <4>[ 30.242233] RSP: 0018:ffffb590c1327e60 EFLAGS: 00010286 <4>[ 30.248360] RAX: ffffffff890e48f0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 30.256622] RDX: 0000000000000000 RSI: ffff91233ac1bf70 RDI: ffffffff89ed1110 <4>[ 30.264885] RBP: ffffffff8a3100a8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 30.273141] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 30.281405] R13: ffffb590c1327f10 R14: ffffb590c1327f10 R15: ffff9122c35de000 <4>[ 30.289659] FS: 00007f286af14580(0000) GS:ffff91233ac00000(0000) knlGS:0000000000000000 <4>[ 30.298990] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 30.305691] CR2: 00007f286ad1d000 CR3: 0000000103808006 CR4: 00000000003706f0 <4>[ 30.313954] Call Trace: <4>[ 30.316974] direct_entry.cold+0x2c/0x38 <4>[ 30.321651] full_proxy_write+0x53/0x80 <4>[ 30.326231] vfs_write+0xe7/0x3a0 <4>[ 30.330225] ksys_write+0x68/0xf0 <4>[ 30.334217] do_syscall_64+0x30/0x40 <4>[ 30.338503] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 30.344426] RIP: 0033:0x7f286ae2a833 <4>[ 30.348700] 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 <4>[ 30.369978] RSP: 002b:00007fff9cdd2128 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 30.378727] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f286ae2a833 <4>[ 30.386992] RDX: 0000000000000004 RSI: 00007f286ad1d000 RDI: 0000000000000001 <4>[ 30.395245] RBP: 00007f286ad1d000 R08: 00007f286ad1c010 R09: 0000000000000000 <4>[ 30.403510] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 30.411774] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 30.420043] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify <4>[ 30.446856] ---[ end trace 87e3e0b4378e085e ]--- <4>[ 30.452358] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 30.457103] Code: 89 ff e8 de 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 60 7d 92 02 <4>[ 30.478419] RSP: 0018:ffffb590c1327e60 EFLAGS: 00010286 <4>[ 30.484590] RAX: ffffffff890e48f0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 30.492892] RDX: 0000000000000000 RSI: ffff91233ac1bf70 RDI: ffffffff89ed1110 <4>[ 30.501177] RBP: ffffffff8a3100a8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 30.509466] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 30.517745] R13: ffffb590c1327f10 R14: ffffb590c1327f10 R15: ffff9122c35de000 <4>[ 30.526017] FS: 00007f286af14580(0000) GS:ffff91233ac00000(0000) knlGS:0000000000000000 <4>[ 30.535360] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 30.542080] CR2: 00007f286ad1d000 CR3: 0000000103808006 CR4: 00000000003706f0 # Segmentation fault # [ 30.178149] lkdtm: Performing direct entry BUG # [ 30.183487] ------------[ cut here ]------------ # [ 30.188978] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 30.195182] invalid opcode: 0000 [#1] SMP PTI # [ 30.200346] CPU: 0 PID: 641 Comm: cat Tainted: G W 5.10.166-cip25 #1 # [ 30.209193] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 30.216286] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 30.220961] Code: 89 ff e8 de 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 60 7d 92 02 # [ 30.242233] RSP: 0018:ffffb590c1327e60 EFLAGS: 00010286 # [ 30.248360] RAX: fff<6>[ 30.636082] lkdtm: Performing direct entry WARNING fffff890e48f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ <4>[ 30.642382] ------------[ cut here ]------------ <4>[ 30.654050] WARNING: CPU: 2 PID: 677 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 <4>[ 30.663789] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify <4>[ 30.690536] CPU: 2 PID: 677 Comm: cat Tainted: G D W 5.10.166-cip25 #1 <4>[ 30.699383] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 30.706506] RIP: 0010:lkdtm_WARNING+0x13/0x20 <4>[ 30.711699] 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 60 7d 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 41 7d <4>[ 30.733010] RSP: 0018:ffffb590c1387e60 EFLAGS: 00010202 <4>[ 30.739142] RAX: ffffffff890e4900 RBX: 0000000000000002 RCX: 0000000000000000 <4>[ 30.747404] RDX: 0000000000000000 RSI: ffff91233ad1bf70 RDI: ffffffff89ed1120 <4>[ 30.755671] RBP: ffffffff8a2b48af R08: 0000000000000000 R09: 0000000000000000 <4>[ 30.763937] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 30.256622] RDX: 0000000000000000 RSI: ffff91233ac1bf70 RDI: fff<4>[ 30.772205] R13: ffffb590c1387f10 R14: ffffb590c1387f10 R15: ffff9122c33ee000 <4>[ 30.786685] FS: 00007fa8a556a580(0000) GS:ffff91233ad00000(0000) knlGS:0000000000000000 fffff89ed1110 # [ 30.264885] RBP: ffffffff8a3100a8 R08: 00000<4>[ 30.796014] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 00000000001 R09: 0000000000000001 # [ 30.273141] R10: 0000000<4>[ 30.808935] CR2: 00007fa8a5373000 CR3: 0000000103084005 CR4: 00000000003706e0 <4>[ 30.823415] Call Trace: <4>[ 30.826440] direct_entry.cold+0x2c/0x38 0ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 30.<4>[ 30.831143] full_proxy_write+0x53/0x80 <4>[ 30.841920] vfs_write+0xe7/0x3a0 <4>[ 30.845943] ksys_write+0x68/0xf0 <4>[ 30.849964] do_syscall_64+0x30/0x40 <4>[ 30.854302] entry_SYSCALL_64_after_hwframe+0x61/0xc6 281405] R13: ffffb590c1327f10 R14: ffffb590c1327f10 R15: ffff912<4>[ 30.860248] RIP: 0033:0x7fa8a5480833 <4>[ 30.870733] 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 <4>[ 30.892005] RSP: 002b:00007ffd11858ca8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 30.900755] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007fa8a5480833 <4>[ 30.909016] RDX: 0000000000000008 RSI: 00007fa8a5373000 RDI: 0000000000000001 <4>[ 30.917306] RBP: 00007fa8a5373000 R08: 00007fa8a5372010 R09: 0000000000000000 2c35de000 # [ 30.289659] FS: 00007f286af14580(0000) GS:ffff9<4>[ 30.925575] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 30.940045] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 30.948317] irq event stamp: 0 1233ac00000(0000) knlGS:0000000000000000 # [ 30.298990] CS: <4>[ 30.952021] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 30.965522] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 30.974950] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 30.984377] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 30.991670] ---[ end trace 87e3e0b4378e085f ]--- 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 30.305691] CR2: 00007f286ad1d000 CR3: 0000000103808006 CR4: 00000000003706f0 # [ 30.313954] Call Trace: # [ 30.316974] direct_entry.cold+0x2c/0x38 # [ 30.321651] full_proxy_write+0x53/0x80 # [ 30.326231] vfs_write+0xe7/0x3a0 # [ 30.330225] ksys_write+0x68/0xf0 # [ 30.334217] do_syscall_64+0x30/0x40 # [ 30.338503] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 30.344426] RIP: 0033:0x7f286ae2a833 # [ 30.348700] 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 # [ 30.369978] RSP: 002b:00007fff9cdd2128 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 30.378727] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f286ae2a833 # [ 30.386992] RDX: 0000000000000004 RSI: 00007f286ad1d000 RDI: 0000000000000001 # [ 30.395245] RBP: 00007f286ad1d000 R08: 00007f286ad1c010 R09: 0000000000000000 # [ 30.403510] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 30.411774] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 30.420043] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec<6>[ 31.118845] lkdtm: Performing direct entry WARNING_MESSAGE _sensors_core industrialio_triggered_buffer kfifo_buf industrial<4>[ 31.127897] ------------[ cut here ]------------ io cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub cros_ec_light<4>[ 31.139557] Warning message trigger count: 2 bar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_<4>[ 31.150863] WARNING: CPU: 0 PID: 712 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 notify # [ 30.446856] ---[ end trace 87e3e0b4378e085e ]--- #<4>[ 31.167605] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 30.452358] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 30.457103] C<4>[ 31.200525] CPU: 0 PID: 712 Comm: cat Tainted: G D W 5.10.166-cip25 #1 ode: 89 ff e8 de 62 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea<4>[ 31.215622] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 <4>[ 31.228992] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 7d<4>[ 31.241082] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 41 7d 92 02 48 c7 c7 10 4e 2b 8a 8d 70 01 89 35 31 7d 92 02 e8 02 5f 63 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 92 02 # [ 30.478419] RSP: 0018:ffffb590c1327e60 EFLAGS: 0001<4>[ 31.268593] RSP: 0018:ffffb590c143fe60 EFLAGS: 00010286 0286 # [ 30.484590] RAX: ffffffff890e48f0 RBX: 00000000000000<4>[ 31.280897] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 01 RCX: 0000000000000000 # [ 30.492892] RDX: 0000000000000000<4>[ 31.295380] RDX: ffff91233ac2c660 RSI: ffff91233ac1bf70 RDI: ffff91233ac1bf70 RSI: ffff91233ac1bf70 RDI: ffffffff89ed1110 # [ 30.501177] R<4>[ 31.309926] RBP: ffffffff8a2b48b7 R08: 0000000000000000 R09: 0000000000000000 BP: ffffffff8a3100a8 R08: 0000000000000001 R09: 0000000000000001<4>[ 31.324385] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 30.509466] R10: 00000000ffffe000 R11: 3fffffffffffffff R<4>[ 31.338846] R13: ffffb590c143ff10 R14: ffffb590c143ff10 R15: ffff9122c3044000 12: 0000000000000004 # [ 30.517745] R13: ffffb590c1327f10 R14<4>[ 31.353353] FS: 00007f40741f4580(0000) GS:ffff91233ac00000(0000) knlGS:0000000000000000 : ffffb590c1327f10 R15: ffff9122c35de000 # [ 30.526017] FS: <4>[ 31.368863] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 00007f286af14580(0000) GS:ffff91233ac00000(0000) knlGS:000000000<4>[ 31.381770] CR2: 00007f4073ffd000 CR3: 000000010383a005 CR4: 00000000003706f0 0000000 # [ 30.535360] CS: 0010 DS: 0000 ES: 0000 CR0: 00000<4>[ 31.396318] Call Trace: 00080050033 # [ 30.542080] CR2: 00007f286ad1d000 CR3: 0000000<4>[ 31.405505] direct_entry.cold+0x2c/0x38 103808006 CR4: 00000000003706f0 # BUG: saw 'kernel BUG at': ok <4>[ 31.416420] full_proxy_write+0x53/0x80 ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh <4>[ 31.427189] vfs_write+0xe7/0x3a0 # [ 30.636082] lkdtm: Performing direct entry WARNING # [ 3<4>[ 31.437452] ksys_write+0x68/0xf0 0.642382] ------------[ cut here ]------------ # [ 30.654050]<4>[ 31.447617] do_syscall_64+0x30/0x40 WARNING: CPU: 2 PID: 677 at drivers/misc/lkdtm/bugs.c:83 lkdtm_<4>[ 31.458094] entry_SYSCALL_64_after_hwframe+0x61/0xc6 WARNING+0x13/0x20 # [ 30.663789] Modules linked in: fuse ip_t<4>[ 31.470250] RIP: 0033:0x7f407410a833 ables cros_ec_sensors cros_ec_sensors_core industrialio_triggere<4>[ 31.480761] 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 d_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cr<4>[ 31.508259] RSP: 002b:00007fffbb8c3828 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 os_ec_sensorhub cros_ec_lightbar cros_ec_chardev x86_pkg_temp_th<4>[ 31.523209] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f407410a833 ermal cros_ec_dev cros_usbpd_notify # [ 30.690536] CPU: 2 PID<4>[ 31.537729] RDX: 0000000000000010 RSI: 00007f4073ffd000 RDI: 0000000000000001 : 677 Comm: cat Tainted: G D W 5.10.166-cip25 #1 #<4>[ 31.552223] RBP: 00007f4073ffd000 R08: 00007f4073ffc010 R09: 0000000000000000 [ 30.699383] Hardware name: Google Rammus/Rammus, BIOS 09/04<4>[ 31.566705] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 /2020 # [ 30.706506] RIP: 0010:lkdtm_WARNING+0x13/0x20 # [ <4>[ 31.581209] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 30.711699] Code: c0 f4 ff ff ff eb c9 0f 1f 44 00 00 0f 0b 66 0<4>[ 31.595710] irq event stamp: 0 f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 7d 92 02 01 75 05<4>[ 31.605623] hardirqs last enabled at (0): [<0000000000000000>] 0x0 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 4<4>[ 31.619096] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 4 00 00 8b 05 41 7d # [ 30.733010] RSP: 0018:ffffb590c1387e60<4>[ 31.634801] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 EFLAGS: 00010202 # [ 30.739142] RAX: ffffffff890e4900 RBX: 0<4>[ 31.650432] softirqs last disabled at (0): [<0000000000000000>] 0x0 000000000000002 RCX: 0000000000000000 # [ 30.747404] RDX: 000<4>[ 31.663937] ---[ end trace 87e3e0b4378e0860 ]--- 0000000000000 RSI: ffff91233ad1bf70 RDI: ffffffff89ed1120 # [ 30.755671] RBP: ffffffff8a2b48af R08: 0000000000000000 R09: 0000000000000000 # [ 30.763937] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ 30.772205] R13: ffffb590c1387f10 R14: ffffb590c1387f10 R15: ffff9122c33ee000 # [ 30.786685] FS: 00007fa8a556a580(0000) GS:ffff91233ad00000(0000) knlGS:0000000000000000 # [ 30.796014] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 30.808935] CR2: 00007fa8a5373000 CR3: 0000000103084005 CR4: 00000000003706e0 # [ 30.823415] Call Trace: # [ 30.826440] direct_entry.cold+0x2c/0x38 # [ 30.831143] full_proxy_write+0x53/0x80 # [ 30.841920] vfs_write+0xe7/0x3a0 # [ 30.845943] ksys_write+0x68/0xf0 # [ 30.849964] do_syscall_64+0x30/0x40 # [ 30.854302] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 30.860248] RIP: 0033:0x7fa8a5480833 # [ 30.870733] 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 8<6>[ 31.768790] lkdtm: Performing direct entry EXCEPTION 5 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f <1>[ 31.780914] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 31.795189] #PF: supervisor write access in kernel mode <1>[ 31.801302] #PF: error_code(0x0002) - not-present page <6>[ 31.807329] PGD 0 P4D 0 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 30.892005] RSP: 002b:<4>[ 31.810448] Oops: 0002 [#2] SMP PTI <4>[ 31.820843] CPU: 1 PID: 745 Comm: cat Tainted: G D W 5.10.166-cip25 #1 00007ffd11858ca8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # <4>[ 31.829690] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ < 30.900755] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 4>[ 31.842999] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 <4>[ 31.854462] Code: 48 c7 c7 10 4e 2b 8a 8d 70 01 89 35 31 7d 92 02 e8 02 5f 63 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 <4>[ 31.875728] RSP: 0018:ffffb590c14bfe60 EFLAGS: 00010286 <4>[ 31.881852] RAX: ffffffff890e4950 RBX: 0000000000000004 RCX: 0000000000000000 <4>[ 31.890109] RDX: 0000000000000000 RSI: ffff91233ac9bf70 RDI: ffffffff89ed1140 <4>[ 31.898367] RBP: ffffffff8a1e966f R08: 0000000000000000 R09: 0000000000000000 <4>[ 31.906624] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 31.914881] R13: ffffb590c14bff10 R14: ffffb590c14bff10 R15: ffff9122c4134000 <4>[ 31.923139] FS: 00007fee286d3580(0000) GS:ffff91233ac80000(0000) knlGS:0000000000000000 <4>[ 31.932465] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 31.939170] CR2: 0000000000000000 CR3: 0000000103454002 CR4: 00000000003706e0 <4>[ 31.947427] Call Trace: <4>[ 31.950445] direct_entry.cold+0x2c/0x38 00007fa8a5480833 # [ 30.909016] RDX: 0000000000000008 RSI: 00<4>[ 31.955116] full_proxy_write+0x53/0x80 <4>[ 31.965895] vfs_write+0xe7/0x3a0 007fa8a5373000 RDI: 0000000000000001 # [ 30.917306] RBP: 0000<4>[ 31.969886] ksys_write+0x68/0xf0 <4>[ 31.980085] do_syscall_64+0x30/0x40 <4>[ 31.984365] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 31.990304] RIP: 0033:0x7fee285e9833 <4>[ 31.994582] 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 <4>[ 32.015851] RSP: 002b:00007fffdbb73bf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 32.024585] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fee285e9833 <4>[ 32.032845] RDX: 000000000000000a RSI: 00007fee284dc000 RDI: 0000000000000001 <4>[ 32.041104] RBP: 00007fee284dc000 R08: 00007fee284db010 R09: 0000000000000000 <4>[ 32.049360] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 32.057619] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 7fa8a5373000 R08: 00007fa8a5372010 R09: 0000000000000000 # [ <4>[ 32.065872] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify <4>[ 32.098794] CR2: 0000000000000000 <4>[ 32.102772] ---[ end trace 87e3e0b4378e0861 ]--- <4>[ 32.108216] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 32.112884] Code: 89 ff e8 de 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 60 7d 92 02 <4>[ 32.134152] RSP: 0018:ffffb590c1327e60 EFLAGS: 00010286 <4>[ 32.140274] RAX: ffffffff890e48f0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 32.148533] RDX: 0000000000000000 RSI: ffff91233ac1bf70 RDI: ffffffff89ed1110 <4>[ 32.156790] RBP: ffffffff8a3100a8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 32.165046] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 32.173304] R13: ffffb590c1327f10 R14: ffffb590c1327f10 R15: ffff9122c35de000 <4>[ 32.181564] FS: 00007fee286d3580(0000) GS:ffff91233ac80000(0000) knlGS:0000000000000000 <4>[ 32.190890] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 32.197594] CR2: 0000000000000000 CR3: 0000000103454002 CR4: 00000000003706e0 <3>[ 32.205854] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 32.216052] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 745, name: cat <4>[ 32.224697] INFO: lockdep is turned off. <4>[ 32.229363] irq event stamp: 0 <4>[ 32.233059] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 32.240352] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 32.249777] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 32.259201] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 32.266488] CPU: 1 PID: 745 Comm: cat Tainted: G D W 5.10.166-cip25 #1 <4>[ 32.275329] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 32.282413] Call Trace: <4>[ 32.285429] dump_stack+0x77/0x9b <4>[ 32.289410] ___might_sleep.cold+0xa6/0xb6 <4>[ 32.294262] exit_signals+0x1c/0x2e0 <4>[ 32.298531] do_exit+0xc2/0xaf0 <4>[ 32.302325] ? ksys_write+0x68/0xf0 <4>[ 32.306509] make_task_dead+0x2f/0x30 <4>[ 32.310885] rewind_stack_and_make_dead+0x17/0x20 <4>[ 32.316426] RIP: 0033:0x7fee285e9833 <4>[ 32.320694] 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 <4>[ 32.341963] RSP: 002b:00007fffdbb73bf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 32.350707] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fee285e9833 <4>[ 32.358965] RDX: 000000000000000a RSI: 00007fee284dc000 RDI: 0000000000000001 <4>[ 32.367222] RBP: 00007fee284dc000 R08: 00007fee284db010 R09: 0000000000000000 <4>[ 32.375481] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 32.383740] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 30.925575] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 30.940045] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 30.948317] irq event stamp: 0 # [ 30.952021] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 30.965522] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 30.974950] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 30.984377] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 30.991670] ---[ end trace 87e3e0b4378e085f ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 31.118845] lkdtm: Performing direct entry WARNING_MESSAGE # [ 31.127897] ------------[ cut here ]------------ # [ 31.139557] Warning message trigger count: 2 # [ 31.150863] WARNING: CPU: 0 PID: 712 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 31.167605] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 31.200525] CPU: 0 PID: 712 Comm: cat Tainted: G D W 5.10.166-cip25 #1 # [ 31.215622] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 31.228992] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 31.241082] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 41 7d 92 02 48 c7 c7 10 4e 2b 8a 8d 70 01 89 35 31 7d 92 02 e8 02 5f 63 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 31.268593] RSP: 0018:ffffb590c143fe60 EFLAGS: 00010286 # [ 31.280897] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 31.295380] RDX: ffff91233ac2c660 RSI: ffff91233ac1bf70 RDI: ffff91233ac1bf70 # [ 31.309926] RBP: ffffffff8a2b48b7 R08: 0000000000000000 R09: 0000000000000000 # [ 31.324385] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 31.338846] R13: ffffb590c143ff10 R14: ffffb590c143ff10 R15: ffff9122c3044000 # [ 31.353353] FS: 00007f40741f4580(0000) GS:ffff91233ac00000(0000) knlGS:0000000000000000 # [ 31.368863] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 31.381770] CR2: 00007f4073ffd000 CR3: 000000010383a005 CR4: 00000000003706f0 # [ 31.396318] Call Trace: # [ 31.405505] direct_entry.cold+0x2c/0x38 # [ 31.416420] full_proxy_write+0x53/0x80 # [ 31.427189] vfs_write+0xe7/0x3a0 # [ 31.437452] ksys_write+0x68/0xf0 # [ 31.447617] do_syscall_64+0x30/0x40 # [ 31.458094] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 31.470250] RIP: 0033:0x7f407410a833 # [ 31.480761] 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 <6>[ 32.667050] lkdtm: Performing direct entry CORRUPT_LIST_ADD <6>[ 32.678206] lkdtm: attempting good list addition <6>[ 32.683664] lkdtm: attempting corrupted list addition 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55<3>[ 32.689613] lkdtm: list_add() corruption not detected! c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 31.508259] RSP: 002b:00007fffbb8c3828 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 31.523209] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f407410a833 # [ 31.537729] RDX: 0000000000000010 RSI: 00007f4073ffd000 RDI: 0000000000000001 # [ 31.552223] RBP: 00007f4073ffd000 R08: 00007f4073ffc010 R09: 0000000000000000 # [ 31.566705] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 31.581209] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 31.595710] irq event stamp: 0 # [ 31.605623] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 31.619096] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 31.634801] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 31.650432] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 31.663937] ---[ end trace 87e3e0b4378e0860 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 31.768790] lkdtm: Performing direct entry EXCEPTION # [ 31.780914] BUG: kernel NULL point<6>[ 32.816467] lkdtm: Performing direct entry CORRUPT_LIST_DEL er dereference, address: 0000000000000000 # [ 31.795189] #PF:<6>[ 32.826591] lkdtm: attempting good list removal supervisor write access in kernel mode # [ 31.801302] #PF: e<6>[ 32.838182] lkdtm: attempting corrupted list removal rror_code(0x0002) - not-present page # [ 31.807329] PGD 0 P4D<3>[ 32.850200] lkdtm: list_del() corruption not detected! 0 # [ 31.810448] Oops: 0002 [#2] SMP PTI # [ 31.820843] CPU: 1 PID: 745 Comm: cat Tainted: G D W 5.10.166-cip25 #1 # [ 31.829690] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 31.842999] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 31.854462] Code: 48 c7 c7 10 4e 2b 8a 8d 70 01 89 35 31 7d 92 02 e8 02 5f 63 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 # [ 31.875728] RSP: 0018:ffffb590c14bfe60 EFLAGS: 00010286 # [ 31.881852] RAX: ffffffff890e4950 RBX: 0000000000000004 RCX: 0000000000000000 # [ 31.890109] RDX: 0000000000000000 RSI: ffff91233ac9bf70 RDI: ffffffff89ed1140 # [ 31.898367] RBP: ffffffff8a1e966f R08: 00000000000000<6>[ 32.936472] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING 00 R09: 0000000000000000 # [ 31.906624] R10: 00000000ffffe000<6>[ 32.944320] lkdtm: attempting bad read from page below current stack R11: 3fffffffffffffff R12: 000000000000000a # [ 31.914881] R<0>[ 32.957950] BUG: stack guard page was hit at 000000007820e870 (stack is 000000008a5a3f80..000000009acb2a37) <4>[ 32.975320] kernel stack overflow (page fault): 0000 [#3] SMP PTI 13: ffffb590c14bff10 R14: ffffb590c14bff10 R15: ffff9122c4134000<4>[ 32.982417] CPU: 1 PID: 970 Comm: cat Tainted: G D W 5.10.166-cip25 #1 <4>[ 32.997472] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 33.004570] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 31.923139] FS: 00007fee286d3580(0000) GS:ffff91233ac800<4>[ 33.011373] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 b0 51 2b 8a 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 04 9d fd ff 48 c7 c7 f0 51 2b 8a <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 ea 9c fd ff 0f 1f 44 <4>[ 33.038853] RSP: 0018:ffffb590c1837e50 EFLAGS: 00010246 <4>[ 33.044971] RAX: 0000000000000038 RBX: ffffb590c1834000 RCX: 0000000000000000 <4>[ 33.053222] RDX: 0000000000000000 RSI: ffff91233ac9bf70 RDI: ffffffff8a2b51f0 <4>[ 33.061482] RBP: ffffffff8a2b491a R08: 0000000000000000 R09: 0000000000000000 <4>[ 33.069741] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 <4>[ 33.078000] R13: ffffb590c1837f10 R14: ffffb590c1837f10 R15: ffff9122c3061000 <4>[ 33.086262] FS: 00007fc8edc63580(0000) GS:ffff91233ac80000(0000) knlGS:0000000000000000 <4>[ 33.095589] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 33.102303] CR2: ffffb590c1833fff CR3: 0000000102746005 CR4: 00000000003706e0 <4>[ 33.110560] Call Trace: <4>[ 33.113578] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 <4>[ 33.118925] direct_entry.cold+0x2c/0x38 <4>[ 33.123596] full_proxy_write+0x53/0x80 00(0000) knlGS:0000000000000000 # [ 31.932465] CS: 0010 DS: <4>[ 33.128169] vfs_write+0xe7/0x3a0 <4>[ 33.138363] ksys_write+0x68/0xf0 <4>[ 33.142354] do_syscall_64+0x30/0x40 0000 ES: 0000 CR0: 0000000080050033 # [ 31.939170] CR2: 00000<4>[ 33.146633] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 33.158773] RIP: 0033:0x7fc8edb79833 <4>[ 33.163045] 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 <4>[ 33.184317] RSP: 002b:00007ffc9dd09398 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 33.193062] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fc8edb79833 <4>[ 33.201322] RDX: 0000000000000019 RSI: 00007fc8eda6c000 RDI: 0000000000000001 <4>[ 33.209572] RBP: 00007fc8eda6c000 R08: 00007fc8eda6b010 R09: 0000000000000000 <4>[ 33.217831] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 33.226092] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00000000000 CR3: 0000000103454002 CR4: 00000000003706e0 # [ 3<4>[ 33.234358] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify <4>[ 33.267308] ---[ end trace 87e3e0b4378e0862 ]--- <4>[ 33.272756] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 33.277421] Code: 89 ff e8 de 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 60 7d 92 02 <4>[ 33.298691] RSP: 0018:ffffb590c1327e60 EFLAGS: 00010286 <4>[ 33.304804] RAX: ffffffff890e48f0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 33.313062] RDX: 0000000000000000 RSI: ffff91233ac1bf70 RDI: ffffffff89ed1110 <4>[ 33.321321] RBP: ffffffff8a3100a8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 33.329573] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 33.337831] R13: ffffb590c1327f10 R14: ffffb590c1327f10 R15: ffff9122c35de000 <4>[ 33.346092] FS: 00007fc8edc63580(0000) GS:ffff91233ac80000(0000) knlGS:0000000000000000 <4>[ 33.355413] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 33.362118] CR2: ffffb590c1833fff CR3: 0000000102746005 CR4: 00000000003706e0 <3>[ 33.370376] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 33.380577] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 970, name: cat <4>[ 33.389227] INFO: lockdep is turned off. <4>[ 33.393892] irq event stamp: 0 <4>[ 33.397587] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 33.404874] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 33.414301] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 33.423725] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 33.431015] CPU: 1 PID: 970 Comm: cat Tainted: G D W 5.10.166-cip25 #1 <4>[ 33.439854] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 33.446946] Call Trace: <4>[ 33.449965] dump_stack+0x77/0x9b <4>[ 33.453954] ___might_sleep.cold+0xa6/0xb6 <4>[ 33.458820] exit_signals+0x1c/0x2e0 <4>[ 33.463100] do_exit+0xc2/0xaf0 <4>[ 33.466896] ? ksys_write+0x68/0xf0 <4>[ 33.471077] make_task_dead+0x2f/0x30 <4>[ 33.475448] rewind_stack_and_make_dead+0x17/0x20 <4>[ 33.480981] RIP: 0033:0x7fc8edb79833 <4>[ 33.485259] 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 <4>[ 33.506532] RSP: 002b:00007ffc9dd09398 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 33.515300] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fc8edb79833 <4>[ 33.523557] RDX: 0000000000000019 RSI: 00007fc8eda6c000 RDI: 0000000000000001 <4>[ 33.531814] RBP: 00007fc8eda6c000 R08: 00007fc8eda6b010 R09: 0000000000000000 <4>[ 33.540072] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 33.548350] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 1.947427] Call Trace: # [ 31.950445] direct_entry.cold+0x2c/0x38 # [ 31.955116] full_proxy_write+0x53/0x80 # [ 31.965895] vfs_write+0xe7/0x3a0 # [ 31.969886] ksys_write+0x68/0xf0 # [ 31.980085] do_syscall_64+0x30/0x40 # [ 31.984365] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 31.990304] RIP: 0033:0x7fee285e9833 # [ 31.994582] 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 # [ 32.015851] RSP: 002b:00007fffdbb73bf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 32.024585] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fee285e9833 # [ 32.032845] RDX: 000000000000000a RSI: 00007fee284dc000 RDI: 0000000000000001 # [ 32.041104] RBP: 00007fee284dc000 R08: 00007fee284db010 R09: 0000000000000000 # [ 32.049360] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 32.057619] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 32.065872] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify #<6>[ 33.680964] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING <6>[ 33.694517] lkdtm: attempting bad read from page above current stack <0>[ 33.701963] BUG: stack guard page was hit at 000000007e7b2cd7 (stack is 0000000075a812e4..0000000020667114) [ 32.098794] CR2: 0000000000000000 # [ 32.102772] ---[ end<4>[ 33.713144] kernel stack overflow (page fault): 0000 [#4] SMP PTI <4>[ 33.726448] CPU: 3 PID: 1003 Comm: cat Tainted: G D W 5.10.166-cip25 #1 <4>[ 33.735385] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 33.742480] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d <4>[ 33.749379] Code: 9c fd ff 0f 1f 44 00 00 53 48 c7 c7 28 52 2b 8a 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 ca 9c fd ff 48 c7 c7 68 52 2b 8a <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 ad 9c fd ff <4>[ 33.770647] RSP: 0018:ffffb590c18bfe50 EFLAGS: 00010246 <4>[ 33.776760] RAX: 0000000000000038 RBX: ffffb590c18bc000 RCX: 0000000000000000 <4>[ 33.785020] RDX: 0000000000000000 RSI: ffff91233ad9bf70 RDI: ffffffff8a2b5268 <4>[ 33.793295] RBP: ffffffff8a2b4933 R08: 0000000000000000 R09: 0000000000000000 <4>[ 33.801556] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a <4>[ 33.809814] R13: ffffb590c18bff10 R14: ffffb590c18bff10 R15: ffff9122c340d000 <4>[ 33.818074] FS: 00007f3e5ea83580(0000) GS:ffff91233ad80000(0000) knlGS:0000000000000000 <4>[ 33.827392] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 33.834095] CR2: ffffb590c18c0000 CR3: 0000000106074005 CR4: 00000000003706e0 <4>[ 33.842361] Call Trace: <4>[ 33.845369] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a <4>[ 33.851493] direct_entry.cold+0x2c/0x38 <4>[ 33.856153] full_proxy_write+0x53/0x80 <4>[ 33.860723] vfs_write+0xe7/0x3a0 <4>[ 33.864709] ksys_write+0x68/0xf0 <4>[ 33.868690] do_syscall_64+0x30/0x40 <4>[ 33.872969] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 33.878890] RIP: 0033:0x7f3e5e999833 <4>[ 33.883168] 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 <4>[ 33.904435] RSP: 002b:00007ffff6f98208 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 33.913179] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f3e5e999833 <4>[ 33.921436] RDX: 000000000000001a RSI: 00007f3e5e88c000 RDI: 0000000000000001 <4>[ 33.929694] RBP: 00007f3e5e88c000 R08: 00007f3e5e88b010 R09: 0000000000000000 <4>[ 33.937952] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 33.946210] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 33.954473] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify trace 87e3e0b4378e0861 ]--- # [ 32.108216] RIP: 0010:lkdtm_B<4>[ 33.981215] ---[ end trace 87e3e0b4378e0863 ]--- <4>[ 33.992869] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 33.997535] Code: 89 ff e8 de 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 60 7d 92 02 <4>[ 34.018801] RSP: 0018:ffffb590c1327e60 EFLAGS: 00010286 <4>[ 34.024925] RAX: ffffffff890e48f0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 34.033183] RDX: 0000000000000000 RSI: ffff91233ac1bf70 RDI: ffffffff89ed1110 <4>[ 34.041441] RBP: ffffffff8a3100a8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 34.049698] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 34.057957] R13: ffffb590c1327f10 R14: ffffb590c1327f10 R15: ffff9122c35de000 <4>[ 34.066207] FS: 00007f3e5ea83580(0000) GS:ffff91233ad80000(0000) knlGS:0000000000000000 <4>[ 34.075532] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 34.082236] CR2: ffffb590c18c0000 CR3: 0000000106074005 CR4: 00000000003706e0 UG+0x5/0x10 # [ 32.112884] Code: 89 ff e8 de 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 60 7d 92 02 # [ 32.134152] RSP: 0018:ffffb590c1327e60 EFLAGS: 00010286 # [ 32.140274] RAX: ffffffff890e48f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 32.148533] RDX: 0000000000000000 RSI: ffff91233ac1bf70 RDI: ffffffff89ed1110 # [ 32.156790] RBP: ffffffff8a3100a8 R08: 0000000000000001 R09: 0000000000000001 # [ 32.165046] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 32.173304] R13: ffffb590c1327f10 R14: ffffb590c1327f10 R15: ffff9122c35de000 # [ 32.181564] FS: 00007fee286d3580(0000) GS:ffff91233ac80000(0000) knlGS:0000000000000000 # [ 32.190890] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 32.197594] CR2: 0000000000000000 CR3: 0000000103454002 CR4: 00000000003706e0 # [ 32.205854] BUG: sleeping function called from invalid cont<6>[ 34.185907] lkdtm: Performing direct entry UNSET_SMEP <6>[ 34.195941] lkdtm: trying to clear SMEP normally <4>[ 34.201421] ------------[ cut here ]------------ <4>[ 34.206903] pinned CR4 bits changed: 0x100000!? <4>[ 34.212267] WARNING: CPU: 3 PID: 1039 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 <4>[ 34.222779] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify <4>[ 34.249513] CPU: 3 PID: 1039 Comm: cat Tainted: G D W 5.10.166-cip25 #1 <4>[ 34.258476] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 34.265574] RIP: 0010:native_write_cr4+0x45/0x60 <4>[ 34.271021] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d a6 92 e3 01 00 75 f2 48 c7 c7 88 36 1f 8a c6 05 96 92 e3 01 01 e8 7d 59 e5 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 ext at include/linux/percpu-rwsem.h:49 # [ 32.216052] in_atom<4>[ 34.292308] RSP: 0018:ffffb590c1917e48 EFLAGS: 00010286 <4>[ 34.304651] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 <4>[ 34.312938] RDX: ffff91233adac660 RSI: ffff91233ad9bf70 RDI: ffff91233ad9bf70 ic(): 0, irqs_disabled(): 1, non_block: 0, pid: 745, name: cat <4>[ 34.321225] RBP: ffffffff8a2b494d R08: 0000000000000000 R09: 0000000000000000 <4>[ 34.335701] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b <4>[ 34.343966] R13: ffffb590c1917f10 R14: ffffb590c1917f10 R15: ffff9122c3b44000 # [ 32.224697] INFO: lockdep is turned off. # [ 32.229363] <4>[ 34.352235] FS: 00007f5cffed7580(0000) GS:ffff91233ad80000(0000) knlGS:0000000000000000 irq event stamp: 0 # [ 32.233059] hardirqs last enabled at (<4>[ 34.367777] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0): [<0000000000000000>] 0x0 # [ 32.240352] hardirqs last dis<4>[ 34.380702] CR2: 00007f5cffce0000 CR3: 000000010417c003 CR4: 00000000003706e0 <4>[ 34.395180] Call Trace: <4>[ 34.398202] lkdtm_UNSET_SMEP.cold+0x1d/0x103 <4>[ 34.403388] direct_entry.cold+0x2c/0x38 <4>[ 34.408083] full_proxy_write+0x53/0x80 <4>[ 34.412683] vfs_write+0xe7/0x3a0 <4>[ 34.416701] ksys_write+0x68/0xf0 <4>[ 34.420695] do_syscall_64+0x30/0x40 <4>[ 34.425001] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 34.430932] RIP: 0033:0x7f5cffded833 <4>[ 34.435236] 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 abled at (0): [] copy_process+0x664/0x1cb0 # <4>[ 34.456512] RSP: 002b:00007fffa1eb9168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 34.471462] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f5cffded833 <4>[ 34.479724] RDX: 000000000000000b RSI: 00007f5cffce0000 RDI: 0000000000000001 <4>[ 34.487985] RBP: 00007f5cffce0000 R08: 00007f5cffcdf010 R09: 0000000000000000 <4>[ 34.496244] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 34.504506] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 34.512771] irq event stamp: 0 [ 32.249777] softirqs last enabled at (0): [[ 34.516496] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 34.529999] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 34.539425] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 34.548852] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 34.556142] ---[ end trace 87e3e0b4378e0864 ]--- <6>[ 34.561588] lkdtm: ok: SMEP did not get cleared <6>[ 34.566936] lkdtm: trying to clear SMEP with call gadget <6>[ 34.573159] lkdtm: ok: SMEP removal was reverted >] copy_process+0x664/0x1cb0 # [ 32.259201] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 32.266488] CPU: 1 PID: 745 Comm: cat Tainted: G D W 5.10.166-cip25 #1 # [ 32.275329] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 32.282413] Call Trace: # [ 32.285429] dump_stack+0x77/0x9b # [ 32.289410] ___might_sleep.cold+0xa6/0xb6 # [ 32.294262] exit_signals+0x1c/0x2e0 # [ 32.298531] do_exit+0xc2/0xaf0 # [ 32.302325] ? ksys_write+0x68/0xf0 # [ 32.306509] make_task_dead+0x2f/0x30 # [ 32.310885] rewind_stack_and_make_dead+0x17/0x20 # [ 32.316426] RIP: 0033:0x7fee285e9833 # [ 32.320694] 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 # [ 32.341963] RSP: 002b:00007fffdbb73bf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 32.350707] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fee285e9833 # [ 32.358965] RDX: 000000000000000a RSI: 00007fee284dc000 RDI: 0000000000000001 # [ 32.367222] RBP: 00007fee284dc000 R08: 00007fee284db010 R09: 0000000000000000 # [ 32.375481] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 32.383740] R13: 0000000000000001 R14: 000000<6>[ 34.705836] lkdtm: Performing direct entry DOUBLE_FAULT <3>[ 34.715312] lkdtm: XFAIL: this test is ia32-only 0000020000 R15: 0000000000020000 # EXCEPTION: saw 'call trace:': ok ok 5 selftests: lkdtm: EXCEPTION.sh # selftests: lkdtm: LOOP.sh # Skipping LOOP: Hangs the system ok 6 selftests: lkdtm: LOOP.sh # SKIP # selftests: lkdtm: EXHAUST_STACK.sh # Skipping EXHAUST_STACK: Corrupts memory on failure ok 7 selftests: lkdtm: EXHAUST_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK.sh # Skipping CORRUPT_STACK: Crashes entire system on success ok 8 selftests: lkdtm: CORRUPT_STACK.sh # SKIP # selftests: lkdtm: 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 # [ 32.667050] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 32.678206] lkdtm: attempting good list addition # [ 32.683664] lkdtm: attempting corrupted list addition # [ 32.689613] 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 # [ 32.816467] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 32.826591] lkdtm: attempting good list r<6>[ 34.834076] lkdtm: Performing direct entry CORRUPT_PAC emoval # [ 32.838182] lkdtm: attempting corrupted list remova<3>[ 34.844968] lkdtm: XFAIL: this test is arm64-only l # [ 32.850200] 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 # [ 32.936472] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 32.944320] lkdtm: attempting bad read from page below current stack # [ 32.957950] BUG: stack guard page was hit at 000000007820e870 (stack is 000000008a5a3f80..000000009acb2a37) # [ 32.975320] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 32.982417] CPU: 1 PID: 970 Comm: cat Tainted: G D W 5.10.166-cip25 #1 # [ 32.997472] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 33.004570] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 33.011373] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 b0 51 2b 8a 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 04 9d fd ff 48 c7 c7 f0 51 2b 8a <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 ea 9c fd ff 0f 1f 44 # [ 33.038853] RSP: 0018:ffffb590c1837e50 EFLAGS: 00010246 # [ 33.044971] RAX: 0000000000000038 RBX: ffffb590c1<6>[ 34.968237] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE <3>[ 34.976094] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS 834000 RCX: 0000000000000000 # [ 33.053222] RDX: 0000000000000000 RSI: ffff91233ac9bf70 RDI: ffffffff8a2b51f0 # [ 33.061482] RBP: ffffffff8a2b491a R08: 0000000000000000 R09: 0000000000000000 # [ 33.069741] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 33.078000] R13: ffffb590c1837f10 R14: ffffb590c1837f10 R15: ffff9122c3061000 # [ 33.086262] FS: 00007fc8edc63580(0000) GS:ffff91233ac80000(0000) knlGS:0000000000000000 # [ 33.095589] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 33.102303] CR2: ffffb590c1833fff CR3: 0000000102746005 CR4: 00000000003706e0 # [ 33.110560] Call Trace: # [ 33.113578] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 # [ 33.118925] direct_entry.cold+0x2c/0x38 # [ 33.123596] full_proxy_write+0x53/0x80 # [ 33.128169] vfs_write+0xe7/0x3a0 # [ 33.138363] ksys_write+0x68/0xf0 # [ 33.142354] do_syscall_64+0x30/0x40 # [ 33.146633] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 33.158773] RIP: 0033:0x7fc8edb79833 # [ 33.163045] 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 # [ 33.184317] RSP: 002b:00007ffc9dd09398 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 33.193062] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fc8edb79833 # [ 33.201322] RDX: 0000000000000019 RSI: 00007fc8eda6c000 RDI: 0000000000000001 # [ 33.209572] RBP: 00007fc8eda6c000 R08: 00007fc8eda6b010 R09: 0000000000000000 # [ 33.217831] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 33.226092] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 33.234358] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 33.267308] ---[ end trace 87e3e0b4378e0862 ]--- # [ 33.272756] RIP: 0010:lkdtm_BUG+0x5<6>[ 35.184818] lkdtm: Performing direct entry READ_AFTER_FREE <6>[ 35.195992] lkdtm: Value in memory before free: 12345678 <6>[ 35.202247] lkdtm: Attempting bad read from freed memory /0x10 # [ 33.277421] Code: 89 ff e8 de 62 a3 ff 48 c7 c0 ea f<6>[ 35.208506] lkdtm: Memory was not poisoned f 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 60 7d 92 02 # [ 33.298691] RSP: 0018:ffffb590c1327e60 EFLAGS: 00010286 # [ 33.304804] RAX: ffffffff890e48f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 33.313062] RDX: 0000000000000000 RSI: ffff91233ac1bf70 RDI: ffffffff89ed1110 # [ 33.321321] RBP: ffffffff8a3100a8 R08: 0000000000000001 R09: 0000000000000001 # [ 33.329573] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 33.337831] R13: ffffb590c1327f10 R14: ffffb590c1327f10 R15: ffff9122c35de000 # [ 33.346092] FS: 00007fc8edc63580(0000) GS:ffff91233ac80000(0000) knlGS:0000000000000000 # [ 33.355413] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 33.362118] CR2: ffffb590c1833fff CR3: 0000000102746005 CR4: 00000000003706e0 # [ 33.370376] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 33.380577] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 970, name: cat # [ 33.389227] INFO: lockdep is turned off. # [ 33.393892] irq ev<6>[ 35.327823] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE ent stamp: 0 # [ 33.397587] hardirqs last enabled at (0): [<<6>[ 35.338463] lkdtm: Value in memory before free: 12345678 0000000000000000>] 0x0 # [ 33.404874] hardirqs last disabled <6>[ 35.350906] lkdtm: Attempting to read from freed memory <6>[ 35.363242] lkdtm: Buddy page was not poisoned at (0): [] copy_process+0x664/0x1cb0 # [ 33.414301] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 33.423725] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 33.431015] CPU: 1 PID: 970 Comm: cat Tainted: G D W 5.10.166-cip25 #1 # [ 33.439854] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 33.446946] Call Trace: # [ 33.449965] dump_stack+0x77/0x9b # [ 33.453954] ___might_sleep.cold+0xa6/0xb6 # [ 33.458820] exit_signals+0x1c/0x2e0 # [ 33.463100] do_exit+0xc2/0xaf0 # [ 33.466896] ? ksys_write+0x68/0xf0 # [ 33.471077] make_task_dead+0x2f/0x30 # [ 33.475448] rewind_stack_and_make_dead+0x17/0x20 # [ 33.480981] RIP: 0033:0x7fc8edb79833 # [ 33.485259] 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 7<6>[ 35.449462] lkdtm: Performing direct entry SLAB_FREE_DOUBLE 5 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 <6>[ 35.462039] lkdtm: Attempting double slab free ... 00 48 83 ec 28 48 89 54 24 18 # [ 33.506532] RSP: 002b:00007ffc9dd09398 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 33.515300] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fc8edb79833 # [ 33.523557] RDX: 0000000000000019 RSI: 00007fc8eda6c000 RDI: 0000000000000001 # [ 33.531814] RBP: 00007fc8eda6c000 R08: 00007fc8eda6b010 R09: 0000000000000000 # [ 33.540072] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 33.548350] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACK_GUARD_PAGE_LEADING: saw 'call trace:': ok ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # Segmentation fault # [ 33.680964] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 33.694517] lkdtm: attempting bad read from page above current stack # [ 33.701963] BUG: stack guard page was hit at 000000007e7b2cd7 (stack is 0000000075a812e4..0000000020667114) # [ 33.713144] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 33.726448] CPU: 3 PID: 1003 Co<6>[ 35.577787] lkdtm: Performing direct entry SLAB_FREE_CROSS mm: cat Tainted: G D W 5.10.166-cip25 #1 # [ 33.<6>[ 35.586024] lkdtm: Attempting cross-cache slab free ... 735385] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 33.742480] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 33.749379] Code: 9c fd ff 0f 1f 44 00 00 53 48 c7 c7 28 52 2b 8a 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 ca 9c fd ff 48 c7 c7 68 52 2b 8a <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 ad 9c fd ff # [ 33.770647] RSP: 0018:ffffb590c18bfe50 EFLAGS: 00010246 # [ 33.776760] RAX: 0000000000000038 RBX: ffffb590c18bc000 RCX: 0000000000000000 # [ 33.785020] RDX: 0000000000000000 RSI: ffff91233ad9bf70 RDI: ffffffff8a2b5268 # [ 33.793295] RBP: ffffffff8a2b4933 R08: 0000000000000000 R09: 0000000000000000 # [ 33.801556] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 33.809814] R13: ffffb590c18bff10 R14: ffffb590c18bff10 R15: ffff9122c340d000 # [ 33.818074] FS: 00007f3e5ea83580(0000) GS:ffff91233ad80000(0000) knlGS:0000000000000000 # [ 33.827392] CS: 0010 DS: 0<6>[ 35.688677] lkdtm: Performing direct entry SLAB_FREE_PAGE 000 ES: 0000 CR0: 0000000080050033 # [ 33.834095] CR2: ffffb5<6>[ 35.697902] lkdtm: Attempting non-Slab slab free ... 90c18c0000 CR3: 0000000106074005 CR4: 00000000003706e0 # [ 33.842361] Call Trace: # [ 33.845369] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a # [ 33.851493] direct_entry.cold+0x2c/0x38 # [ 33.856153] full_proxy_write+0x53/0x80 # [ 33.860723] vfs_write+0xe7/0x3a0 # [ 33.864709] ksys_write+0x68/0xf0 # [ 33.868690] do_syscall_64+0x30/0x40 # [ 33.872969] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 33.878890] RIP: 0033:0x7f3e5e999833 # [ 33.883168] 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 # [ 33.904435] RSP: 002b:00007ffff6f98208 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 33.913179] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f3e5e999833 # [ 33.921436] RDX: 000000000000001a RSI: 00007f3e5e88c000 RDI: 0000000000000001 # [ 33.929694] RBP: 00007f3e5e88c000 R08: 00007f3e5e88b010 R09: 0000000000000000 # [ 33.937952] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 33.946210] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 33.954473] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 33.981215] ---[ end trace 87e3e0b4378e0863 ]--- # [ 33.992869] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 33.997535] Code: 89 ff e8 de 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 60 7d 92 02 # [ 34.018801] RSP: 0018:ffffb590c1327e60 EFLAGS: 00010286 # [ 34.024925] RAX: ffffffff890e48f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 34.033183] RDX: 0000000000000000 RSI: ffff91233ac1bf70 RDI: ffffffff89ed1110 # [ 34.041441] RBP: ffffffff8a3100a8 R08: 0000000000000001 R09: 0000000000000001 # [ 34.049698] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 34.057957] R13: ffffb590c1327f10 R14: ffffb590c1327f10 R15: ffff9122c35de000 # [ 34.066207] FS: 00007f3e5ea83580(0000) GS:ffff91233ad80000(0000) knlGS:0000000000000000 # [ 34.075532] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <6>[ 35.940650] lkdtm: Performing direct entry EXEC_DATA <6>[ 35.952008] lkdtm: attempting ok execution at ffffffff890e4cc0 # [ 34.082236] CR2: ffffb590c18c0000 CR3: 0000000106074005 CR<6>[ 35.958825] lkdtm: attempting bad execution at ffffffff8ba0c6a0 <2>[ 35.971936] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 35.980614] BUG: unable to handle page fault for address: ffffffff8ba0c6a0 <1>[ 35.988584] #PF: supervisor instruction fetch in kernel mode <1>[ 35.995192] #PF: error_code(0x0011) - permissions violation <6>[ 36.001702] PGD 3b229067 P4D 3b229067 PUD 3b22a063 PMD 800000003c8000e3 <4>[ 36.009479] Oops: 0011 [#5] SMP PTI <4>[ 36.013661] CPU: 2 PID: 1546 Comm: cat Tainted: G D W 5.10.166-cip25 #1 <4>[ 36.022598] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 36.029694] RIP: 0010:data_area+0x0/0x40 <4>[ 36.034360] Code: ff ff 00 83 3d c0 22 91 ff ff 00 82 3d c0 22 91 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 <4>[ 36.055630] RSP: 0018:ffffb590c20ffe48 EFLAGS: 00010246 <4>[ 36.061753] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 36.070011] RDX: 0000000000000000 RSI: ffff91233ad1bf70 RDI: ffff91233ad1bf70 <4>[ 36.078270] RBP: ffffffff8ba0c6a0 R08: 0000000000000000 R09: 0000000000000000 <4>[ 36.086528] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 36.094789] R13: ffffb590c20fff10 R14: ffffb590c20fff10 R15: ffff9122c32a1000 <4>[ 36.103046] FS: 00007f0bf20df580(0000) GS:ffff91233ad00000(0000) knlGS:0000000000000000 <4>[ 36.112372] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 36.119077] CR2: ffffffff8ba0c6a0 CR3: 000000010312a006 CR4: 00000000003706e0 <4>[ 36.127334] Call Trace: <4>[ 36.130398] ? execute_location+0x45/0x56 <4>[ 36.135163] ? direct_entry.cold+0x2c/0x38 <4>[ 36.140026] ? full_proxy_write+0x53/0x80 <4>[ 36.144792] ? vfs_write+0xe7/0x3a0 <4>[ 36.148974] ? ksys_write+0x68/0xf0 <4>[ 36.153156] ? do_syscall_64+0x30/0x40 <4>[ 36.157629] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 36.163756] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 4: 00000000003706e0 # STACK_GUARD_PAGE_TRAILING: saw 'call trac<4>[ 36.190504] CR2: ffffffff8ba0c6a0 <4>[ 36.200703] ---[ end trace 87e3e0b4378e0865 ]--- <4>[ 36.206148] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 36.210816] Code: 89 ff e8 de 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 60 7d 92 02 <4>[ 36.232075] RSP: 0018:ffffb590c1327e60 EFLAGS: 00010286 <4>[ 36.238198] RAX: ffffffff890e48f0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 36.246458] RDX: 0000000000000000 RSI: ffff91233ac1bf70 RDI: ffffffff89ed1110 <4>[ 36.254715] RBP: ffffffff8a3100a8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 36.262972] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 36.271230] R13: ffffb590c1327f10 R14: ffffb590c1327f10 R15: ffff9122c35de000 <4>[ 36.279490] FS: 00007f0bf20df580(0000) GS:ffff91233ad00000(0000) knlGS:0000000000000000 <4>[ 36.288816] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 36.295520] CR2: ffffffff8ba0c6a0 CR3: 000000010312a006 CR4: 00000000003706e0 <3>[ 36.303779] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 36.313978] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1546, name: cat <4>[ 36.322724] INFO: lockdep is turned off. <4>[ 36.327389] irq event stamp: 0 <4>[ 36.331086] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 36.338375] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 36.347800] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 36.357226] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 36.364514] CPU: 2 PID: 1546 Comm: cat Tainted: G D W 5.10.166-cip25 #1 <4>[ 36.373453] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 36.380546] Call Trace: <4>[ 36.383563] dump_stack+0x77/0x9b <4>[ 36.387551] ___might_sleep.cold+0xa6/0xb6 <4>[ 36.392413] exit_signals+0x1c/0x2e0 <4>[ 36.396683] do_exit+0xc2/0xaf0 <4>[ 36.400476] ? ksys_write+0x68/0xf0 <4>[ 36.404650] make_task_dead+0x2f/0x30 <4>[ 36.409017] rewind_stack_and_make_dead+0x17/0x20 <4>[ 36.414551] RIP: 0033:0x7f0bf1ff5833 <4>[ 36.418820] 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 <4>[ 36.440090] RSP: 002b:00007ffd3b2d3a18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 36.448826] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f0bf1ff5833 <4>[ 36.457086] RDX: 000000000000000a RSI: 00007f0bf1ee8000 RDI: 0000000000000001 <4>[ 36.465345] RBP: 00007f0bf1ee8000 R08: 00007f0bf1ee7010 R09: 0000000000000000 <4>[ 36.473604] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 36.481863] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 e:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 34.185907] lkdtm: Performing direct entry UNSET_SMEP # [ 34.195941] lkdtm: trying to clear SMEP normally # [ 34.201421] ------------[ cut here ]------------ # [ 34.206903] pinned CR4 bits changed: 0x100000!? # [ 34.212267] WARNING: CPU: 3 PID: 1039 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 # [ 34.222779] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 34.249513] CPU: 3 PID: 1039 Comm: cat Tainted: G D W 5.10.166-cip25 #1 # [ 34.258476] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 34.265574] RIP: 0010:native_write_cr4+0x45/0x60 # [ 34.271021] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d a6 92 e3 01 00 75 f2 48 c7 c7 88 36 1f 8a c6 05 96 92 e3 01 01 e8 7d 59 e5 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ 34.292308] RSP: 0018:ffffb590c1917e48 EFLAGS: 00010286 # [ 34.304651] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 # [ 34.312938] RDX: ffff91233adac660 RSI: ffff91233ad9bf70 RDI: ffff91233ad9bf70 # [ 34.321225] RBP: ffffffff8a2b494d R08: 0000000000000000 R09: 0000000000000000 # [ 34.335701] R1<6>[ 36.627862] lkdtm: Performing direct entry EXEC_STACK 0: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b <6>[ 36.639065] lkdtm: attempting ok execution at ffffffff890e4cc0 # [ 34.343966] R13: ffffb590c1917f10 R14: ffffb590c1917f10 R1<6>[ 36.652108] lkdtm: attempting bad execution at ffffb590c2187e18 5: ffff9122c3b44000 # [ 34.352235] FS: 00007f5cffed7580(0000<2>[ 36.665237] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 36.680080] BUG: unable to handle page fault for address: ffffb590c2187e18 <1>[ 36.688046] #PF: supervisor instruction fetch in kernel mode <1>[ 36.694654] #PF: error_code(0x0011) - permissions violation <6>[ 36.701165] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 106009067 PTE 8000000103108063 <4>[ 36.710501] Oops: 0011 [#6] SMP PTI <4>[ 36.714681] CPU: 0 PID: 1582 Comm: cat Tainted: G D W 5.10.166-cip25 #1 <4>[ 36.723620] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 36.730717] RIP: 0010:0xffffb590c2187e18 <4>[ 36.735384] Code: 00 00 18 7e 18 c2 90 b5 ff ff 9c 69 74 89 ff ff ff ff 20 00 00 00 00 00 00 00 76 4a 2b 8a ff ff ff ff cb 6a 74 89 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 <4>[ 36.756644] RSP: 0018:ffffb590c2187df8 EFLAGS: 00010246 <4>[ 36.762767] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 36.771024] RDX: 0000000000000000 RSI: ffff91233ac1bf70 RDI: ffff91233ac1bf70 <4>[ 36.779300] RBP: ffffb590c2187e18 R08: 0000000000000000 R09: 0000000000000000 <4>[ 36.787551] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b <4>[ 36.795810] R13: ffffb590c2187f10 R14: ffffb590c2187f10 R15: ffff9122c3008000 <4>[ 36.804070] FS: 00007ff223563580(0000) GS:ffff91233ac00000(0000) knlGS:0000000000000000 <4>[ 36.813388] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 36.820095] CR2: ffffb590c2187e18 CR3: 00000001038e4005 CR4: 00000000003706f0 <4>[ 36.828343] Call Trace: <4>[ 36.831362] ? execute_location+0x45/0x56 <4>[ 36.836132] ? lkdtm_EXEC_STACK+0x26/0x44 <4>[ 36.840889] ? direct_entry.cold+0x2c/0x38 <4>[ 36.845758] ? full_proxy_write+0x53/0x80 <4>[ 36.850528] ? vfs_write+0xe7/0x3a0 <4>[ 36.854716] ? ksys_write+0x68/0xf0 <4>[ 36.858900] ? do_syscall_64+0x30/0x40 <4>[ 36.863377] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 36.869506] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify <4>[ 36.896232] CR2: ffffb590c2187e18 <4>[ 36.900219] ---[ end trace 87e3e0b4378e0866 ]--- <4>[ 36.905665] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 36.910333] Code: 89 ff e8 de 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 60 7d 92 02 <4>[ 36.931590] RSP: 0018:ffffb590c1327e60 EFLAGS: 00010286 <4>[ 36.937711] RAX: ffffffff890e48f0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 36.945970] RDX: 0000000000000000 RSI: ffff91233ac1bf70 RDI: ffffffff89ed1110 <4>[ 36.954226] RBP: ffffffff8a3100a8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 36.962484] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 36.970743] R13: ffffb590c1327f10 R14: ffffb590c1327f10 R15: ffff9122c35de000 <4>[ 36.979004] FS: 00007ff223563580(0000) GS:ffff91233ac00000(0000) knlGS:0000000000000000 <4>[ 36.988331] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 36.995029] CR2: ffffb590c2187e18 CR3: 00000001038e4005 CR4: 00000000003706f0 ) GS:ffff91233ad80000(0000) knlGS:0000000000000000 # [ 34.367777] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 34.380702] CR2: 00007f5cffce0000 CR3: 000000010417c003 CR4: 00000000003706e0 # [ 34.395180] Call Trace: # [ 34.398202] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 34.403388] direct_entry.cold+0x2c/0x38 # [ 34.408083] full_proxy_write+0x53/0x80 # [ 34.412683] vfs_write+0xe7/0x3a0 # [ 34.416701] ksys_write+0x68/0xf0 # [ 34.420695] do_syscall_64+0x30/0x40 # [ 34.425001] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 34.430932] RIP: 0033:0x7f5cffded833 # [ 34.435236] 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 # [ 34.456512] RSP: 002b:00007fffa1eb9168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 34.471462] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f5cffded833 # [ 34.479724] RDX: 000000000000000b RSI: 00007f5cffce0000 RDI: 0000000000000001 # [ 34.487985] RBP: 00007f5cffce0000 R08: 00007f5cffcdf010 R09: 0000000000000000 # [ 34.496244] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 34.504506] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 34.512771] irq event stamp: 0 # [ 34.516496] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 34.529999] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 34.539425] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 34.548852] softirqs las<6>[ 37.159580] lkdtm: Performing direct entry EXEC_KMALLOC <6>[ 37.171055] lkdtm: attempting ok execution at ffffffff890e4cc0 <6>[ 37.177916] lkdtm: attempting bad execution at ffff9122c2758340 <2>[ 37.184855] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 37.193518] BUG: unable to handle page fault for address: ffff9122c2758340 t disabled at (0): [<0000000000000000>] 0x0 # [ 34.556142] --<1>[ 37.201490] #PF: supervisor instruction fetch in kernel mode <1>[ 37.214309] #PF: error_code(0x0011) - permissions violation -[< end trace 87e3e0b4378e0864 ]--- # [ 34.561588] lkdtm: ok: 6>[ 37.220819] PGD 3ca01067 P4D 3ca01067 PUD 10084c063 PMD 1027c5063 PTE 8000000102758063 <4>[ 37.236170] Oops: 0011 [#7] SMP PTI <4>[ 37.240361] CPU: 2 PID: 1618 Comm: cat Tainted: G D W 5.10.166-cip25 #1 <4>[ 37.249298] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 37.256393] RIP: 0010:0xffff9122c2758340 <4>[ 37.261060] Code: 00 00 02 00 00 00 00 00 00 00 40 8d 75 c2 22 91 ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 bb 24 90 88 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 <4>[ 37.282320] RSP: 0018:ffffb590c2207e38 EFLAGS: 00010246 <4>[ 37.288435] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 37.296693] RDX: 0000000000000000 RSI: ffff91233ad1bf70 RDI: ffff91233ad1bf70 <4>[ 37.304950] RBP: ffff9122c2758340 R08: 0000000000000000 R09: 0000000000000000 <4>[ 37.313209] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d <4>[ 37.321459] R13: ffffb590c2207f10 R14: ffffb590c2207f10 R15: ffff9122c278e000 <4>[ 37.329719] FS: 00007f413407e580(0000) GS:ffff91233ad00000(0000) knlGS:0000000000000000 <4>[ 37.339035] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 37.345739] CR2: ffff9122c2758340 CR3: 0000000103174004 CR4: 00000000003706e0 <4>[ 37.353999] Call Trace: <4>[ 37.357018] ? execute_location+0x45/0x56 <4>[ 37.361785] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 <4>[ 37.366744] ? direct_entry.cold+0x2c/0x38 <4>[ 37.371598] ? full_proxy_write+0x53/0x80 <4>[ 37.376364] ? vfs_write+0xe7/0x3a0 <4>[ 37.380545] ? ksys_write+0x68/0xf0 <4>[ 37.384727] ? do_syscall_64+0x30/0x40 <4>[ 37.389199] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 37.395327] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify <4>[ 37.422084] CR2: ffff9122c2758340 <4>[ 37.426065] ---[ end trace 87e3e0b4378e0867 ]--- <4>[ 37.431507] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 37.436173] Code: 89 ff e8 de 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 60 7d 92 02 <4>[ 37.457443] RSP: 0018:ffffb590c1327e60 EFLAGS: 00010286 <4>[ 37.463567] RAX: ffffffff890e48f0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 37.471826] RDX: 0000000000000000 RSI: ffff91233ac1bf70 RDI: ffffffff89ed1110 <4>[ 37.480086] RBP: ffffffff8a3100a8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 37.488357] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 37.496614] R13: ffffb590c1327f10 R14: ffffb590c1327f10 R15: ffff9122c35de000 <4>[ 37.504872] FS: 00007f413407e580(0000) GS:ffff91233ad00000(0000) knlGS:0000000000000000 <4>[ 37.514198] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 37.520903] CR2: ffff9122c2758340 CR3: 0000000103174004 CR4: 00000000003706e0 <3>[ 37.529161] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 37.539362] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1618, name: cat <4>[ 37.548107] INFO: lockdep is turned off. <4>[ 37.552771] irq event stamp: 0 <4>[ 37.556467] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 37.563757] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 37.573181] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 37.582606] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 37.589887] CPU: 2 PID: 1618 Comm: cat Tainted: G D W 5.10.166-cip25 #1 <4>[ 37.598826] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 37.605921] Call Trace: <4>[ 37.608938] dump_stack+0x77/0x9b <4>[ 37.612928] ___might_sleep.cold+0xa6/0xb6 <4>[ 37.617790] exit_signals+0x1c/0x2e0 <4>[ 37.622060] do_exit+0xc2/0xaf0 <4>[ 37.625855] ? ksys_write+0x68/0xf0 <4>[ 37.630036] make_task_dead+0x2f/0x30 <4>[ 37.634413] rewind_stack_and_make_dead+0x17/0x20 <4>[ 37.639944] RIP: 0033:0x7f4133f94833 <4>[ 37.644222] 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 <4>[ 37.665491] RSP: 002b:00007ffdf913c9c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 37.674237] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f4133f94833 <4>[ 37.682496] RDX: 000000000000000d RSI: 00007f4133e87000 RDI: 0000000000000001 <4>[ 37.690754] RBP: 00007f4133e87000 R08: 00007f4133e86010 R09: 0000000000000000 <4>[ 37.699012] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 37.707270] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 SMEP did not get cleared # [ 34.566936] lkdtm: trying to clear SMEP with call gadget # [ 34.573159] 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 # [ 34.705836] lkdtm: Performing direct entry DOUBLE_FAULT # [ 34.715312] lkdtm: XFAIL: this test is ia32-only # DOUBLE_FAULT: saw 'XFAIL': [SKIP] ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP # selftests: lkdtm: CORRUPT_PAC.sh # [ 34.834076] lkdtm: Performing direct entry CORRUPT_PAC # [ 34.844968] lkdtm: XFAIL: this test is arm64-only # CORRUPT_PAC: saw 'XFAIL': [SKIP] ok 16 selftests: lkdtm: CORRUPT_PAC.sh # SKIP # selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # [ 34.968237] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 34.976094] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP] ok 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP # selftests: lkdtm: OVERWRITE_ALLOCATION.sh # Skipping OVERWRITE_ALLOCATION: Corrupts memory on failure ok 18 selftests: l<6>[ 37.824176] lkdtm: Performing direct entry EXEC_VMALLOC <6>[ 37.833594] lkdtm: attempting ok execution at ffffffff890e4cc0 <6>[ 37.840413] lkdtm: attempting bad execution at ffffb590c033d000 <2>[ 37.847376] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) kdtm: OVERWRITE_ALLOCATION.sh # SKIP # selftests: lkdtm: WRITE_<1>[ 37.856035] BUG: unable to handle page fault for address: ffffb590c033d000 <1>[ 37.870216] #PF: supervisor instruction fetch in kernel mode <1>[ 37.876827] #PF: error_code(0x0011) - permissions violation <6>[ 37.883329] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 1009e9067 PTE 8000000103fd0063 AFTER_FREE.sh # Skipping WRITE_AFTER_FREE: Corrupts memory on f<4>[ 37.892664] Oops: 0011 [#8] SMP PTI <4>[ 37.903056] CPU: 2 PID: 1654 Comm: cat Tainted: G D W 5.10.166-cip25 #1 ailure ok 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP # se<4>[ 37.911996] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 37.925306] RIP: 0010:0xffffb590c033d000 <4>[ 37.929974] Code: Unable to access opcode bytes at RIP 0xffffb590c033cfd6. <4>[ 37.937934] RSP: 0018:ffffb590c226fe38 EFLAGS: 00010246 <4>[ 37.944057] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 37.952315] RDX: 0000000000000000 RSI: ffff91233ad1bf70 RDI: ffff91233ad1bf70 <4>[ 37.960575] RBP: ffffb590c033d000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 37.968834] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d <4>[ 37.977093] R13: ffffb590c226ff10 R14: ffffb590c226ff10 R15: ffff9122c3fd0000 <4>[ 37.985352] FS: 00007fcc393f6580(0000) GS:ffff91233ad00000(0000) knlGS:0000000000000000 <4>[ 37.994678] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 38.001385] CR2: ffffb590c033cfd6 CR3: 0000000103b2a003 CR4: 00000000003706e0 <4>[ 38.009642] Call Trace: <4>[ 38.012662] ? execute_location+0x45/0x56 <4>[ 38.017428] ? lkdtm_EXEC_VMALLOC+0x20/0x30 <4>[ 38.022386] ? direct_entry.cold+0x2c/0x38 <4>[ 38.027249] ? full_proxy_write+0x53/0x80 <4>[ 38.032007] ? vfs_write+0xe7/0x3a0 <4>[ 38.036189] ? ksys_write+0x68/0xf0 <4>[ 38.040372] ? do_syscall_64+0x30/0x40 <4>[ 38.044846] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 38.050972] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify lftests: lkdtm: READ_AFTER_FREE.sh # [ 35.184818] lkdtm: Perf<4>[ 38.077717] CR2: ffffb590c033d000 <4>[ 38.087916] ---[ end trace 87e3e0b4378e0868 ]--- <4>[ 38.093360] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 38.098026] Code: 89 ff e8 de 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 60 7d 92 02 <4>[ 38.119299] RSP: 0018:ffffb590c1327e60 EFLAGS: 00010286 <4>[ 38.125423] RAX: ffffffff890e48f0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 38.133682] RDX: 0000000000000000 RSI: ffff91233ac1bf70 RDI: ffffffff89ed1110 <4>[ 38.141941] RBP: ffffffff8a3100a8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 38.150200] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 38.158458] R13: ffffb590c1327f10 R14: ffffb590c1327f10 R15: ffff9122c35de000 <4>[ 38.166719] FS: 00007fcc393f6580(0000) GS:ffff91233ad00000(0000) knlGS:0000000000000000 <4>[ 38.176047] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 38.182753] CR2: ffffb590c033cfd6 CR3: 0000000103b2a003 CR4: 00000000003706e0 orming direct entry READ_AFTER_FREE # [ 35.195992] lkdtm: Value in memory before free: 12345678 # [ 35.202247] lkdtm: Attempting bad read from freed memory # [ 35.208506] 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 # [ 35.327823] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 35.338463] lkdtm: Value in memory before free: 12345678 # [ 35.350906] lkdtm: Attempting to read from freed memory # [ 35.363242] lkdtm: Buddy page was not poisoned # READ_BUDDY_AFTER_FREE: missing 'call trace:': [FAIL] not ok 22 selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_DOUBLE.sh # [ 35.449462] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 35.462039] lkdtm: Attempting double slab free ... # SLAB_FREE_DOUBLE: missing 'call trace:': [FAIL] not ok 23 selftests: lkdtm: SLAB_FREE_DOUBLE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_CROSS.sh # [ 35.577787] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 35.586024] 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<6>[ 38.330124] lkdtm: Performing direct entry EXEC_RODATA _FREE_PAGE.sh # [ 35.688677] lkdtm: Performing direct entry S<6>[ 38.340105] lkdtm: attempting ok execution at ffffffff890e4cc0 LAB_FREE_PAGE # [ 35.697902] lkdtm: Attempting non-Slab slab <6>[ 38.353110] lkdtm: attempting bad execution at ffffffff89ed15a0 free ... # SLAB_FREE_PAGE: missing 'call trace:': [FAIL] not o<2>[ 38.366224] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 38.381083] BUG: unable to handle page fault for address: ffffffff89ed15a0 k 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1 # selftests: <1>[ 38.389053] #PF: supervisor instruction fetch in kernel mode <1>[ 38.401872] #PF: error_code(0x0011) - permissions violation <6>[ 38.408383] PGD 3b229067 P4D 3b229067 PUD 3b22a063 PMD 800000003ac000e1 lkdtm: SOFTLOCKUP.sh # Skipping SOFTLOCKUP: Hangs the system o<4>[ 38.416162] Oops: 0011 [#9] SMP PTI <4>[ 38.426557] CPU: 1 PID: 1690 Comm: cat Tainted: G D W 5.10.166-cip25 #1 <4>[ 38.435497] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 38.442596] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 k 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP # selftests: lkdtm:<4>[ 38.448625] Code: ff ff 3b 7f 74 89 ff ff ff ff c2 4c 2b 8a ff ff ff ff 81 66 74 89 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 <4>[ 38.476113] RSP: 0018:ffffb590c22b7e48 EFLAGS: 00010246 <4>[ 38.482236] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 <4>[ 38.490496] RDX: 0000000000000000 RSI: ffff91233ac9bf70 RDI: ffff91233ac9bf70 <4>[ 38.498755] RBP: ffffffff89ed15a0 R08: 0000000000000000 R09: 0000000000000000 <4>[ 38.507014] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c <4>[ 38.515274] R13: ffffb590c22b7f10 R14: ffffb590c22b7f10 R15: ffff9122c540d000 <4>[ 38.523533] FS: 00007f0ceebea580(0000) GS:ffff91233ac80000(0000) knlGS:0000000000000000 <4>[ 38.532861] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 38.539567] CR2: ffffffff89ed15a0 CR3: 000000010552a001 CR4: 00000000003706e0 <4>[ 38.547828] Call Trace: <4>[ 38.550848] ? execute_location+0x45/0x56 HARDLOCKUP.sh # Skipping HARDLOCKUP: Hangs the system ok 27 s<4>[ 38.555615] ? direct_entry.cold+0x2c/0x38 <4>[ 38.566689] ? full_proxy_write+0x53/0x80 elftests: lkdtm: HARDLOCKUP.sh # SKIP # selftests: lkdtm: SPINL<4>[ 38.571458] ? vfs_write+0xe7/0x3a0 <4>[ 38.581851] ? ksys_write+0x68/0xf0 <4>[ 38.586026] ? do_syscall_64+0x30/0x40 <4>[ 38.590501] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 OCKUP.sh # Skipping SPINLOCKUP: Hangs the system ok 28 selftes<4>[ 38.596629] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify <4>[ 38.629557] CR2: ffffffff89ed15a0 <4>[ 38.633537] ---[ end trace 87e3e0b4378e0869 ]--- <4>[ 38.638984] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 38.643652] Code: 89 ff e8 de 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 60 7d 92 02 <4>[ 38.664927] RSP: 0018:ffffb590c1327e60 EFLAGS: 00010286 <4>[ 38.671051] RAX: ffffffff890e48f0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 38.679311] RDX: 0000000000000000 RSI: ffff91233ac1bf70 RDI: ffffffff89ed1110 <4>[ 38.687571] RBP: ffffffff8a3100a8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 38.695831] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 38.704091] R13: ffffb590c1327f10 R14: ffffb590c1327f10 R15: ffff9122c35de000 <4>[ 38.712361] FS: 00007f0ceebea580(0000) GS:ffff91233ac80000(0000) knlGS:0000000000000000 <4>[ 38.721691] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 38.728389] CR2: ffffffff89ed15a0 CR3: 000000010552a001 CR4: 00000000003706e0 <3>[ 38.736651] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 38.746856] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1690, name: cat <4>[ 38.755601] INFO: lockdep is turned off. <4>[ 38.760269] irq event stamp: 0 <4>[ 38.763967] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 38.771258] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 38.780686] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 38.790111] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 38.797401] CPU: 1 PID: 1690 Comm: cat Tainted: G D W 5.10.166-cip25 #1 <4>[ 38.806357] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 38.813450] Call Trace: <4>[ 38.816468] dump_stack+0x77/0x9b <4>[ 38.820458] ___might_sleep.cold+0xa6/0xb6 <4>[ 38.825314] exit_signals+0x1c/0x2e0 ts: lkdtm: SPINLOCKUP.sh # SKIP # selftests: lkdtm: HUNG_TASK.s<4>[ 38.829595] do_exit+0xc2/0xaf0 <4>[ 38.839603] ? ksys_write+0x68/0xf0 <4>[ 38.843787] make_task_dead+0x2f/0x30 <4>[ 38.848165] rewind_stack_and_make_dead+0x17/0x20 <4>[ 38.853698] RIP: 0033:0x7f0ceeb00833 <4>[ 38.857979] 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 <4>[ 38.879247] RSP: 002b:00007fff7948ccb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 38.887995] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f0ceeb00833 <4>[ 38.896256] RDX: 000000000000000c RSI: 00007f0cee9f3000 RDI: 0000000000000001 <4>[ 38.904518] RBP: 00007f0cee9f3000 R08: 00007f0cee9f2010 R09: 0000000000000000 <4>[ 38.912780] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 38.921041] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 h # Skipping HUNG_TASK: Hangs the system ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP # selftests: lkdtm: EXEC_DATA.sh # Killed # [ 35.940650] lkdtm: Performing direct entry EXEC_DATA # [ 35.952008] lkdtm: attempting ok execution at ffffffff890e4cc0 # [ 35.958825] lkdtm: attempting bad execution at ffffffff8ba0c6a0 # [ 35.971936] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 35.980614] BUG: unable to handle page fault for address: ffffffff8ba0c6a0 # [ 35.988584] #PF: supervisor instruction fetch in kernel mode # [ 35.995192] #PF: error_code(0x0011) - permissions violation # [ 36.001702] PGD 3b229067 P4D 3b229067 PUD 3b22a063 PMD 800000003c8000e3 # [ 36.009479] Oops: 0011 [#5] SMP PTI # [ 36.013661] CPU: 2 PID: 1546 Comm: cat Tainted: G D W 5.10.166-cip25 #1 # [ 36.022598] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 36.029694] RIP: 0010:data_area+0x0/0x40 # [ 36.034360] Code: ff ff 00 83 3d c0 22 91 ff ff 00 82 3d c0 22 91 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<6>[ 39.035650] lkdtm: Performing direct entry EXEC_USERSPACE 44 00 00 0f 1f 44 00 00 55 # [ 36.055630] RSP: 0018:ffffb590<6>[ 39.047540] lkdtm: attempting ok execution at ffffffff890e4cc0 c20ffe48 EFLAGS: 00010246 # [ 36.061753] RAX: 000000000000003<6>[ 39.060558] lkdtm: attempting bad execution at 00007fe8d10a1000 3 RBX: 0000000000000001 RCX: 0000000000000000 # [ 36.070011] <2>[ 39.073679] unable to execute userspace code (SMEP?) (uid: 0) <1>[ 39.086578] BUG: unable to handle page fault for address: 00007fe8d10a1000 <1>[ 39.094539] #PF: supervisor instruction fetch in kernel mode <1>[ 39.101148] #PF: error_code(0x0011) - permissions violation <6>[ 39.107662] PGD 8000000104ec7067 P4D 8000000104ec7067 PUD 103bce067 PMD 1013c0067 PTE 10ec9a067 <4>[ 39.117684] Oops: 0011 [#10] SMP PTI <4>[ 39.121966] CPU: 0 PID: 1726 Comm: cat Tainted: G D W 5.10.166-cip25 #1 <4>[ 39.130908] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 39.138006] RIP: 0010:0x7fe8d10a1000 <4>[ 39.142292] Code: Unable to access opcode bytes at RIP 0x7fe8d10a0fd6. <4>[ 39.149874] RSP: 0018:ffffb590c232fe50 EFLAGS: 00010246 <4>[ 39.156000] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 <4>[ 39.164261] RDX: 0000000000000000 RSI: ffff91233ac1bf70 RDI: ffff91233ac1bf70 <4>[ 39.172524] RBP: 00007fe8d10a1000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 39.180779] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f <4>[ 39.189041] R13: ffffb590c232ff10 R14: ffffb590c232ff10 R15: ffff9122c34c9000 <4>[ 39.197303] FS: 00007fe8d1072580(0000) GS:ffff91233ac00000(0000) knlGS:0000000000000000 <4>[ 39.206632] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 39.213339] CR2: 00007fe8d10a1000 CR3: 0000000103174003 CR4: 00000000003706f0 <4>[ 39.221601] Call Trace: <4>[ 39.224622] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae <4>[ 39.230269] ? direct_entry.cold+0x2c/0x38 <4>[ 39.235139] ? full_proxy_write+0x53/0x80 <4>[ 39.239912] ? vfs_write+0xe7/0x3a0 <4>[ 39.244096] ? ksys_write+0x68/0xf0 <4>[ 39.248297] ? do_syscall_64+0x30/0x40 <4>[ 39.252778] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 39.258905] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify <4>[ 39.285636] CR2: 00007fe8d10a1000 <4>[ 39.289625] ---[ end trace 87e3e0b4378e086a ]--- <4>[ 39.295071] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 39.299731] Code: 89 ff e8 de 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 60 7d 92 02 <4>[ 39.321004] RSP: 0018:ffffb590c1327e60 EFLAGS: 00010286 <4>[ 39.327129] RAX: ffffffff890e48f0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 39.335387] RDX: 0000000000000000 RSI: ffff91233ac1bf70 RDI: ffffffff89ed1110 <4>[ 39.343646] RBP: ffffffff8a3100a8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 39.351905] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 39.360164] R13: ffffb590c1327f10 R14: ffffb590c1327f10 R15: ffff9122c35de000 <4>[ 39.368424] FS: 00007fe8d1072580(0000) GS:ffff91233ac00000(0000) knlGS:0000000000000000 <4>[ 39.377743] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 39.384448] CR2: 00007fe8d10a1000 CR3: 0000000103174003 CR4: 00000000003706f0 RDX: 0000000000000000 RSI: ffff91233ad1bf70 RDI: ffff91233ad1bf70 # [ 36.078270] RBP: ffffffff8ba0c6a0 R08: 0000000000000000 R09: 0000000000000000 # [ 36.086528] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 36.094789] R13: ffffb590c20fff10 R14: ffffb590c20fff10 R15: ffff9122c32a1000 # [ 36.103046] FS: 00007f0bf20df580(0000) GS:ffff91233ad00000(0000) knlGS:0000000000000000 # [ 36.112372] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 36.119077] CR2: ffffffff8ba0c6a0 CR3: 000000010312a006 CR4: 00000000003706e0 # [ 36.127334] Call Trace: # [ 36.130398] ? execute_location+0x45/0x56 # [ 36.135163] ? direct_entry.cold+0x2c/0x38 # [ 36.140026] ? full_proxy_write+0x53/0x80 # [ 36.144792] ? vfs_write+0xe7/0x3a0 # [ 36.148974] ? ksys_write+0x68/0xf0 # [ 36.153156] ? do_syscall_64+0x30/0x40 # [ 36.157629] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 36.163756] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 36.190504] CR2: ffffffff8ba0c6a0 # [ 36.200703] ---[ end trace 87e3e0b4378e0865 ]--- # [ 36.206148] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 36.210816] Code: 89 ff e8 de 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 60 7d 92 02 # [ 36.232075] RSP: 0018:ffffb590c1327e60 EFLAGS: 00010286 # [ 36.238198] RAX: ffffffff890e48<6>[ 39.550510] lkdtm: Performing direct entry EXEC_NULL f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 36.246458]<6>[ 39.560163] lkdtm: attempting ok execution at ffffffff890e4cc0 RDX: 0000000000000000 RSI: ffff91233ac1bf70 RDI: ffffffff89ed11<6>[ 39.573225] lkdtm: attempting bad execution at 0000000000000000 10 # [ 36.254715] RBP: ffffffff8a3100a8 R08: 0000000000000001<1>[ 39.586340] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 39.600604] #PF: supervisor instruction fetch in kernel mode <1>[ 39.607211] #PF: error_code(0x0010) - not-present page <6>[ 39.613238] PGD 0 P4D 0 <4>[ 39.616354] Oops: 0010 [#11] SMP PTI <4>[ 39.620633] CPU: 0 PID: 1762 Comm: cat Tainted: G D W 5.10.166-cip25 #1 <4>[ 39.629572] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 39.636668] RIP: 0010:0x0 <4>[ 39.639879] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. <4>[ 39.647846] RSP: 0018:ffffb590c23c7e48 EFLAGS: 00010246 <4>[ 39.653970] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 <4>[ 39.662229] RDX: 0000000000000000 RSI: ffff91233ac1bf70 RDI: ffff91233ac1bf70 <4>[ 39.670489] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 39.678747] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 39.687008] R13: ffffb590c23c7f10 R14: ffffb590c23c7f10 R15: ffff9122c27aa000 <4>[ 39.695266] FS: 00007fa9b2d53580(0000) GS:ffff91233ac00000(0000) knlGS:0000000000000000 <4>[ 39.704594] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 39.711304] CR2: ffffffffffffffd6 CR3: 0000000103862005 CR4: 00000000003706f0 <4>[ 39.719565] Call Trace: <4>[ 39.722584] execute_location+0x45/0x56 <4>[ 39.727163] direct_entry.cold+0x2c/0x38 <4>[ 39.731838] full_proxy_write+0x53/0x80 <4>[ 39.736416] vfs_write+0xe7/0x3a0 <4>[ 39.740409] ksys_write+0x68/0xf0 <4>[ 39.744399] do_syscall_64+0x30/0x40 <4>[ 39.748686] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 39.754617] RIP: 0033:0x7fa9b2c69833 <4>[ 39.758896] 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 <4>[ 39.780157] RSP: 002b:00007ffe0e556fa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 39.788903] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fa9b2c69833 <4>[ 39.797163] RDX: 000000000000000a RSI: 00007fa9b2b5c000 RDI: 0000000000000001 <4>[ 39.805421] RBP: 00007fa9b2b5c000 R08: 00007fa9b2b5b010 R09: 0000000000000000 <4>[ 39.813682] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 39.821941] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 39.830205] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify <4>[ 39.856931] CR2: 0000000000000000 <4>[ 39.860918] ---[ end trace 87e3e0b4378e086b ]--- <4>[ 39.866365] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 39.871031] Code: 89 ff e8 de 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 60 7d 92 02 <4>[ 39.892305] RSP: 0018:ffffb590c1327e60 EFLAGS: 00010286 <4>[ 39.898427] RAX: ffffffff890e48f0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 39.906684] RDX: 0000000000000000 RSI: ffff91233ac1bf70 RDI: ffffffff89ed1110 <4>[ 39.914941] RBP: ffffffff8a3100a8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 39.923198] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 39.931456] R13: ffffb590c1327f10 R14: ffffb590c1327f10 R15: ffff9122c35de000 <4>[ 39.939713] FS: 00007fa9b2d53580(0000) GS:ffff91233ac00000(0000) knlGS:0000000000000000 <4>[ 39.949039] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 39.955745] CR2: ffffffffffffffd6 CR3: 0000000103862005 CR4: 00000000003706f0 <3>[ 39.963994] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 39.974195] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1762, name: cat <4>[ 39.982939] INFO: lockdep is turned off. <4>[ 39.987605] irq event stamp: 0 <4>[ 39.991302] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 39.998591] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 40.008015] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 40.017438] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 40.024728] CPU: 0 PID: 1762 Comm: cat Tainted: G D W 5.10.166-cip25 #1 <4>[ 40.033657] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 40.040751] Call Trace: <4>[ 40.043769] dump_stack+0x77/0x9b <4>[ 40.047758] ___might_sleep.cold+0xa6/0xb6 <4>[ 40.052621] exit_signals+0x1c/0x2e0 <4>[ 40.056891] do_exit+0xc2/0xaf0 <4>[ 40.060684] ? ksys_write+0x68/0xf0 <4>[ 40.064860] make_task_dead+0x2f/0x30 <4>[ 40.069236] rewind_stack_and_make_dead+0x17/0x20 <4>[ 40.074776] RIP: 0033:0x7fa9b2c69833 <4>[ 40.079056] 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 <4>[ 40.100316] RSP: 002b:00007ffe0e556fa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 40.109062] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fa9b2c69833 <4>[ 40.117321] RDX: 000000000000000a RSI: 00007fa9b2b5c000 RDI: 0000000000000001 <4>[ 40.125582] RBP: 00007fa9b2b5c000 R08: 00007fa9b2b5b010 R09: 0000000000000000 <4>[ 40.133842] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 40.142102] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 R09: 0000000000000001 # [ 36.262972] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 36.271230] R13: ffffb590c1327f10 R14: ffffb590c1327f10 R15: ffff9122c35de000 # [ 36.279490] FS: 00007f0bf20df580(0000) GS:ffff91233ad00000(0000) knlGS:0000000000000000 # [ 36.288816] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 36.295520] CR2: ffffffff8ba0c6a0 CR3: 000000010312a006 CR4: 00000000003706e0 # [ 36.303779] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 36.313978] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1546, name: cat # [ 36.322724] INFO: lockdep is turned off. # [ 36.327389] irq event stamp: 0 # [ 36.331086] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 36.338375] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 36.347800] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 36.357226] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 36.364514] CPU: 2 PID: 1546 Comm: cat Tainted: G D W 5.10.166-cip25 #1 # [ 36.373453] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 36.380546] Call Trace: # [ 36.383563] dump_stack+0x77/0x9b # [ 36.387551] ___might_sleep.cold+0xa6/0xb6 # [ 36.392413] exit_signals+0x1c/0x2e0 # [ 36.396683] do_exit+0xc2/0xaf0 # [ 36.400476] ? ksys_write+0x68/0xf0 # [ 36.404650] make_task_dead+0x2f/0x30 # [ 36.409017] rewind_stack_and_make_dead+0x17/0x20 # [ 36.414551] RIP: 0033:0x7f0bf1ff5833 # [ 36.418820] 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 # [ 36.440090] RSP: 002b:00007ffd3b2d3a18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 36.448826] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f0bf1ff5833 # [ 36.457086] RDX: 000000000000000a RSI: 00007f0bf1ee8000 RDI: 0000000000000001 # [ 36.465345] RBP: 00007f0bf1ee8000 R08: 00007f0bf1ee7010 R09: 0000000000000000 # [ 36.4736<6>[ 40.359664] lkdtm: Performing direct entry ACCESS_USERSPACE 04] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 00000000000<6>[ 40.368227] lkdtm: attempting bad read at 00007f95f427d000 00001 # [ 36.481863] R13: 0000000000000001 R14: 0000000000020<1>[ 40.380859] BUG: unable to handle page fault for address: 00007f95f427d000 <1>[ 40.395034] #PF: supervisor read access in kernel mode <1>[ 40.401052] #PF: error_code(0x0001) - permissions violation <6>[ 40.407565] PGD 800000010326c067 P4D 800000010326c067 PUD 1027aa067 PMD 10386c067 PTE 1082c2067 000 R15: 0000000000020000 # EXEC_DATA: saw 'call trace:': ok o<4>[ 40.417581] Oops: 0001 [#12] SMP PTI <4>[ 40.428075] CPU: 1 PID: 1797 Comm: cat Tainted: G D W 5.10.166-cip25 #1 <4>[ 40.437016] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 40.444115] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 k 30 selftests: lkdtm: EXEC_DATA.sh # selftests: lkdtm: EXEC_ST<4>[ 40.450629] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 e0 59 2b 8a e8 3e 96 fd ff 48 c7 c7 08 5a 2b 8a b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 25 96 fd ff 48 89 ee 48 c7 c7 30 5a 2b <4>[ 40.478117] RSP: 0018:ffffb590c2467e48 EFLAGS: 00010246 <4>[ 40.484242] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 <4>[ 40.492502] RDX: 0000000000000000 RSI: ffff91233ac9bf70 RDI: ffffffff8a2b5a08 <4>[ 40.500763] RBP: 00007f95f427d000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 40.509014] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 <4>[ 40.517275] R13: ffffb590c2467f10 R14: ffffb590c2467f10 R15: ffff9122c33ad000 <4>[ 40.525536] FS: 00007f95f424e580(0000) GS:ffff91233ac80000(0000) knlGS:0000000000000000 <4>[ 40.534867] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 40.541574] CR2: 00007f95f427d000 CR3: 0000000103864005 CR4: 00000000003706e0 <4>[ 40.549836] Call Trace: <4>[ 40.552857] direct_entry.cold+0x2c/0x38 ACK.sh # Killed # [ 36.627862] lkdtm: Performing direct entr<4>[ 40.557528] full_proxy_write+0x53/0x80 <4>[ 40.568310] vfs_write+0xe7/0x3a0 y EXEC_STACK # [ 36.639065] lkdtm: attempting ok execution at<4>[ 40.572302] ksys_write+0x68/0xf0 <4>[ 40.582505] do_syscall_64+0x30/0x40 ffffffff890e4cc0 # [ 36.652108] lkdtm: attempting bad execut<4>[ 40.586786] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 40.598930] RIP: 0033:0x7f95f4164833 <4>[ 40.603210] 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 <4>[ 40.624486] RSP: 002b:00007ffe1cd91e28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 40.633234] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f95f4164833 <4>[ 40.641494] RDX: 0000000000000011 RSI: 00007f95f4057000 RDI: 0000000000000001 <4>[ 40.649754] RBP: 00007f95f4057000 R08: 00007f95f4056010 R09: 0000000000000000 <4>[ 40.658016] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 40.666300] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ion at ffffb590c2187e18 # [ 36.665237] kernel tried to execut<4>[ 40.674565] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify <4>[ 40.707499] CR2: 00007f95f427d000 <4>[ 40.711488] ---[ end trace 87e3e0b4378e086c ]--- <4>[ 40.716935] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 40.721603] Code: 89 ff e8 de 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 60 7d 92 02 <4>[ 40.742880] RSP: 0018:ffffb590c1327e60 EFLAGS: 00010286 <4>[ 40.749005] RAX: ffffffff890e48f0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 40.757266] RDX: 0000000000000000 RSI: ffff91233ac1bf70 RDI: ffffffff89ed1110 <4>[ 40.765528] RBP: ffffffff8a3100a8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 40.773790] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 40.782051] R13: ffffb590c1327f10 R14: ffffb590c1327f10 R15: ffff9122c35de000 <4>[ 40.790315] FS: 00007f95f424e580(0000) GS:ffff91233ac80000(0000) knlGS:0000000000000000 <4>[ 40.799645] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 40.806352] CR2: 00007f95f427d000 CR3: 0000000103864005 CR4: 00000000003706e0 e NX-protected page - exploit attempt? (uid: 0) # [ 36.680080] BUG: unable to handle page fault for address: ffffb590c2187e18 # [ 36.688046] #PF: supervisor instruction fetch in kernel mode # [ 36.694654] #PF: error_code(0x0011) - permissions violation # [ 36.701165] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 106009067 PTE 8000000103108063 # [ 36.710501] Oops: 0011 [#6] SMP PTI # [ 36.714681] CPU: 0 PID: 1582 Comm: cat Tainted: G D W 5.10.166-cip25 #1 # [ 36.723620] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 36.730717] RIP: 0010:0xffffb590c2187e18 # [ 36.735384] Code: 00 00 18 7e 18 c2 90 b5 ff ff 9c 69 74 89 ff ff ff ff 20 00 00 00 00 00 00 00 76 4a 2b 8a ff ff ff ff cb 6a 74 89 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 # [ 36.756644] RSP: 0018:ffffb590c2187df8 EFLAGS: 00010246 # [ 36.762767] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 36.771024] RDX: 0000000000000000 RSI: ffff91233ac1bf70 RDI: ffff91233ac1bf70 # [ 36.779300] RBP: ffffb590<6>[ 40.916434] lkdtm: Performing direct entry ACCESS_NULL c2187e18 R08: 0000000000000000 R09: 0000000000000000 # [ 36.7<6>[ 40.926310] lkdtm: attempting bad read at 0000000000000000 <1>[ 40.938965] BUG: kernel NULL pointer dereference, address: 0000000000000000 87551] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000<1>[ 40.947040] #PF: supervisor read access in kernel mode <1>[ 40.959280] #PF: error_code(0x0000) - not-present page <6>[ 40.965309] PGD 0 P4D 0 0000000b # [ 36.795810] R13: ffffb590c2187f10 R14: ffffb590c2<4>[ 40.968428] Oops: 0000 [#13] SMP PTI <4>[ 40.978919] CPU: 2 PID: 1832 Comm: cat Tainted: G D W 5.10.166-cip25 #1 <4>[ 40.987862] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 187f10 R15: ffff9122c3008000 # [ 36.804070] FS: 00007ff22356<4>[ 40.994965] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 41.006719] Code: e2 95 fd ff be 00 10 00 00 48 89 ef e8 1a 12 3c ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 e0 59 2b 8a e8 bc 95 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 08 5a 2b 8a 48 01 <4>[ 41.027996] RSP: 0018:ffffb590c24ffe58 EFLAGS: 00010246 <4>[ 41.034120] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 <4>[ 41.042381] RDX: 0000000000000000 RSI: ffff91233ad1bf70 RDI: ffff91233ad1bf70 <4>[ 41.050640] RBP: ffffffff8a2b4ad1 R08: 0000000000000000 R09: 0000000000000000 <4>[ 41.058899] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c <4>[ 41.067159] R13: ffffb590c24fff10 R14: ffffb590c24fff10 R15: ffff9122c386b000 <4>[ 41.075420] FS: 00007f6c5a6aa580(0000) GS:ffff91233ad00000(0000) knlGS:0000000000000000 <4>[ 41.084750] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 41.091457] CR2: 0000000000000000 CR3: 000000010557a002 CR4: 00000000003706e0 <4>[ 41.099718] Call Trace: <4>[ 41.102739] direct_entry.cold+0x2c/0x38 <4>[ 41.107409] full_proxy_write+0x53/0x80 <4>[ 41.111982] vfs_write+0xe7/0x3a0 <4>[ 41.115971] ksys_write+0x68/0xf0 <4>[ 41.119961] do_syscall_64+0x30/0x40 <4>[ 41.124241] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 41.130164] RIP: 0033:0x7f6c5a5c0833 <4>[ 41.134435] 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 <4>[ 41.155711] RSP: 002b:00007ffef148cec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 41.164460] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f6c5a5c0833 <4>[ 41.172721] RDX: 000000000000000c RSI: 00007f6c5a4b3000 RDI: 0000000000000001 <4>[ 41.180982] RBP: 00007f6c5a4b3000 R08: 00007f6c5a4b2010 R09: 0000000000000000 <4>[ 41.189242] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 41.197503] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 41.205766] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 3580(0000) GS:ffff91233ac00000(0000) knlGS:0000000000000000 # [<4>[ 41.232518] CR2: 0000000000000000 <4>[ 41.242721] ---[ end trace 87e3e0b4378e086d ]--- <4>[ 41.248166] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 41.252825] Code: 89 ff e8 de 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 60 7d 92 02 <4>[ 41.274100] RSP: 0018:ffffb590c1327e60 EFLAGS: 00010286 <4>[ 41.280226] RAX: ffffffff890e48f0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 41.288487] RDX: 0000000000000000 RSI: ffff91233ac1bf70 RDI: ffffffff89ed1110 <4>[ 41.296747] RBP: ffffffff8a3100a8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 41.305009] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 41.313270] R13: ffffb590c1327f10 R14: ffffb590c1327f10 R15: ffff9122c35de000 <4>[ 41.321533] FS: 00007f6c5a6aa580(0000) GS:ffff91233ad00000(0000) knlGS:0000000000000000 <4>[ 41.330863] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 41.337569] CR2: 0000000000000000 CR3: 000000010557a002 CR4: 00000000003706e0 <3>[ 41.345831] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 41.356033] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1832, name: cat <4>[ 41.364779] INFO: lockdep is turned off. <4>[ 41.369447] irq event stamp: 0 <4>[ 41.373143] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 41.380434] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 41.389862] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 41.399302] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 41.406592] CPU: 2 PID: 1832 Comm: cat Tainted: G D W 5.10.166-cip25 #1 <4>[ 41.415533] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 41.422628] Call Trace: <4>[ 41.425645] dump_stack+0x77/0x9b <4>[ 41.429627] ___might_sleep.cold+0xa6/0xb6 <4>[ 41.434491] exit_signals+0x1c/0x2e0 <4>[ 41.438761] do_exit+0xc2/0xaf0 <4>[ 41.442556] ? ksys_write+0x68/0xf0 <4>[ 41.446731] make_task_dead+0x2f/0x30 <4>[ 41.451107] rewind_stack_and_make_dead+0x17/0x20 <4>[ 41.456649] RIP: 0033:0x7f6c5a5c0833 <4>[ 41.460928] 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 <4>[ 41.482199] RSP: 002b:00007ffef148cec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 41.490946] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f6c5a5c0833 <4>[ 41.499207] RDX: 000000000000000c RSI: 00007f6c5a4b3000 RDI: 0000000000000001 <4>[ 41.507469] RBP: 00007f6c5a4b3000 R08: 00007f6c5a4b2010 R09: 0000000000000000 <4>[ 41.515731] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 41.523992] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 36.813388] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 36.820095] CR2: ffffb590c2187e18 CR3: 00000001038e4005 CR4: 00000000003706f0 # [ 36.828343] Call Trace: # [ 36.831362] ? execute_location+0x45/0x56 # [ 36.836132] ? lkdtm_EXEC_STACK+0x26/0x44 # [ 36.840889] ? direct_entry.cold+0x2c/0x38 # [ 36.845758] ? full_proxy_write+0x53/0x80 # [ 36.850528] ? vfs_write+0xe7/0x3a0 # [ 36.854716] ? ksys_write+0x68/0xf0 # [ 36.858900] ? do_syscall_64+0x30/0x40 # [ 36.863377] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 36.869506] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 36.896232] CR2: ffffb590c2187e18 # [ 36.900219] ---[ end trace 87e3e0b4378e0866 ]--- # [ 36.905665] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 36.910333] Code: 89 ff e8 de 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<6>[ 41.633833] lkdtm: Performing direct entry WRITE_RO c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 0<6>[ 41.643715] lkdtm: attempting bad rodata write at ffffffff89ed1590 0 00 00 00 0f 1f 44 00 00 83 05 60 7d 92 02 # [ 36.931590] RS<1>[ 41.657141] BUG: unable to handle page fault for address: ffffffff89ed1590 <1>[ 41.671299] #PF: supervisor write access in kernel mode <1>[ 41.677424] #PF: error_code(0x0003) - permissions violation <6>[ 41.683939] PGD 3b229067 P4D 3b229067 PUD 3b22a063 PMD 800000003ac000e1 P: 0018:ffffb590c1327e60 EFLAGS: 00010286 # [ 36.937711] RAX:<4>[ 41.691719] Oops: 0003 [#14] SMP PTI <4>[ 41.702215] CPU: 1 PID: 1867 Comm: cat Tainted: G D W 5.10.166-cip25 #1 ffffffff890e48f0 RBX: 0000000000000001 RCX: 0000000000000000 #<4>[ 41.711158] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 41.724474] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a [ 36.945970] RDX: 0000000000000000 RSI: ffff91233ac1bf70 RDI:<4>[ 41.729727] Code: 00 48 c7 c7 c0 58 2b 8a 48 c7 c6 90 15 ed 89 e8 66 98 fd ff 48 8b 05 c4 ab 78 00 ba 34 12 cd ab 48 c7 c7 f0 58 2b 8a 48 31 d0 <48> 89 05 ae ab 78 00 e9 44 98 fd ff 0f 1f 44 00 00 48 8b 05 3d a9 <4>[ 41.757218] RSP: 0018:ffffb590c253fe60 EFLAGS: 00010202 <4>[ 41.763354] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 <4>[ 41.771618] RDX: 00000000abcd1234 RSI: ffff91233ac9bf70 RDI: ffffffff8a2b58f0 <4>[ 41.779878] RBP: ffffffff8a2b4add R08: 0000000000000000 R09: 0000000000000000 <4>[ 41.788139] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 <4>[ 41.796401] R13: ffffb590c253ff10 R14: ffffb590c253ff10 R15: ffff9122c3009000 <4>[ 41.804664] FS: 00007fbc151c4580(0000) GS:ffff91233ac80000(0000) knlGS:0000000000000000 <4>[ 41.813986] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 41.820693] CR2: ffffffff89ed1590 CR3: 0000000103bc0003 CR4: 00000000003706e0 <4>[ 41.828954] Call Trace: <4>[ 41.831973] direct_entry.cold+0x2c/0x38 ffffffff89ed1110 # [ 36.954226] RBP: ffffffff8a3100a8 R08: 0<4>[ 41.836646] full_proxy_write+0x53/0x80 <4>[ 41.847431] vfs_write+0xe7/0x3a0 000000000000001 R09: 0000000000000001 # [ 36.962484] R10: 000<4>[ 41.851421] ksys_write+0x68/0xf0 <4>[ 41.861626] do_syscall_64+0x30/0x40 <4>[ 41.865908] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 41.871841] RIP: 0033:0x7fbc150da833 <4>[ 41.876122] 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 <4>[ 41.897398] RSP: 002b:00007fff97e250e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 41.906146] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fbc150da833 <4>[ 41.914405] RDX: 0000000000000009 RSI: 00007fbc14fcd000 RDI: 0000000000000001 <4>[ 41.922665] RBP: 00007fbc14fcd000 R08: 00007fbc14fcc010 R09: 0000000000000000 <4>[ 41.930928] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 41.939189] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ <4>[ 41.947455] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify <4>[ 41.980390] CR2: ffffffff89ed1590 <4>[ 41.984371] ---[ end trace 87e3e0b4378e086e ]--- <4>[ 41.989818] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 41.994488] Code: 89 ff e8 de 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 60 7d 92 02 <4>[ 42.015765] RSP: 0018:ffffb590c1327e60 EFLAGS: 00010286 <4>[ 42.021889] RAX: ffffffff890e48f0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 42.030151] RDX: 0000000000000000 RSI: ffff91233ac1bf70 RDI: ffffffff89ed1110 <4>[ 42.038413] RBP: ffffffff8a3100a8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 42.046675] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 42.054937] R13: ffffb590c1327f10 R14: ffffb590c1327f10 R15: ffff9122c35de000 <4>[ 42.063199] FS: 00007fbc151c4580(0000) GS:ffff91233ac80000(0000) knlGS:0000000000000000 <4>[ 42.072530] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 42.079238] CR2: ffffffff89ed1590 CR3: 0000000103bc0003 CR4: 00000000003706e0 36.970743] R13: ffffb590c1327f10 R14: ffffb590c1327f10 R15: ffff9122c35de000 # [ 36.979004] FS: 00007ff223563580(0000) GS:ffff91233ac00000(0000) knlGS:0000000000000000 # [ 36.988331] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 36.995029] CR2: ffffb590c2187e18 CR3: 00000001038e4005 CR4: 00000000003706f0 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 37.159580] lkdtm: Performing direct entry EXEC_KMALLOC # [ 37.171055] lkdtm: attempting ok execution at ffffffff890e4cc0 # [ 37.177916] lkdtm: attempting bad execution at ffff9122c2758340 # [ 37.184855] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 37.193518] BUG: unable to handle page fault for address: ffff9122c2758340 # [ 37.201490] #PF: supervisor instruction fetch in kernel mode # [ 37.214309] #PF: error_code(0x0011) - permissions violation # [ 37.220819] PGD 3ca01067 P4D 3ca01067 PUD 10084c063 PMD 1027c5063 PTE 8000000102758063 # [ 37.236170] Oops: 0011 [#7] SMP PTI # [ 37.240361] CPU: 2 PID: 1618 Comm: cat Tainted: G D W 5.10.166-cip25 #1 # [ 37.249298] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 37.256393] RIP: 0010:0xf<6>[ 42.210563] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT fff9122c2758340 # [ 37.261060] Code: 00 00 02 00 00 00 00 00 <6>[ 42.218621] lkdtm: attempting bad ro_after_init write at ffffffff8a331330 00 00 40 8d 75 c2 22 91 ff ff 04 00 00 00 00 00 00 00 00 00 00 0<1>[ 42.232719] BUG: unable to handle page fault for address: ffffffff8a331330 <1>[ 42.246896] #PF: supervisor write access in kernel mode <1>[ 42.253020] #PF: error_code(0x0003) - permissions violation <6>[ 42.259531] PGD 3b229067 P4D 3b229067 PUD 3b22a063 PMD 104d5d063 PTE 800000003b131061 0 00 00 00 00 bb 24 90 88 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc <4>[ 42.268574] Oops: 0003 [#15] SMP PTI <4>[ 42.279068] CPU: 1 PID: 1902 Comm: cat Tainted: G D W 5.10.166-cip25 #1 <4>[ 42.288010] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 42.295097] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 37.282320] RSP:<4>[ 42.301417] Code: 59 2b 8a e9 18 98 fd ff 48 c7 c7 48 59 2b 8a e8 0c 98 fd ff 48 8b 05 0a a9 be 00 ba 34 12 cd ab 48 c7 c7 f0 58 2b 8a 48 31 d0 <48> 89 05 f4 a8 be 00 e9 ea 97 fd ff 0f 1f 44 00 00 41 54 48 c7 c7 <4>[ 42.328900] RSP: 0018:ffffb590c25dfe60 EFLAGS: 00010202 <4>[ 42.335025] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 <4>[ 42.343277] RDX: 00000000abcd1234 RSI: ffff91233ac9bf70 RDI: ffffffff8a2b58f0 0018:ffffb590c2207e38 EFLAGS: 00010246 # [ 37.288435] RAX: 0<4>[ 42.351562] RBP: ffffffff8a2b4ae6 R08: 0000000000000000 R09: 0000000000000000 <4>[ 42.366035] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 <4>[ 42.374300] R13: ffffb590c25dff10 R14: ffffb590c25dff10 R15: ffff9122c5550000 <4>[ 42.382561] FS: 00007f2083810580(0000) GS:ffff91233ac80000(0000) knlGS:0000000000000000 <4>[ 42.391891] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 42.398596] CR2: ffffffff8a331330 CR3: 0000000105760005 CR4: 00000000003706e0 <4>[ 42.406858] Call Trace: <4>[ 42.409877] direct_entry.cold+0x2c/0x38 000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [<4>[ 42.414551] full_proxy_write+0x53/0x80 <4>[ 42.425349] vfs_write+0xe7/0x3a0 <4>[ 42.429357] ksys_write+0x68/0xf0 <4>[ 42.433354] do_syscall_64+0x30/0x40 37.296693] RDX: 0000000000000000 RSI: ffff91233ad1bf70 RDI: f<4>[ 42.437635] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 42.449779] RIP: 0033:0x7f2083726833 <4>[ 42.454057] 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 <4>[ 42.475350] RSP: 002b:00007ffddaa35b28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 42.484087] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f2083726833 <4>[ 42.492353] RDX: 0000000000000014 RSI: 00007f2083619000 RDI: 0000000000000001 <4>[ 42.500613] RBP: 00007f2083619000 R08: 00007f2083618010 R09: 0000000000000000 <4>[ 42.508874] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 42.517135] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 fff91233ad1bf70 # [ 37.304950] RBP: ffff9122c2758340 R08: 000<4>[ 42.525391] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify <4>[ 42.558320] CR2: ffffffff8a331330 <4>[ 42.562300] ---[ end trace 87e3e0b4378e086f ]--- <4>[ 42.567745] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 42.572416] Code: 89 ff e8 de 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 60 7d 92 02 <4>[ 42.593684] RSP: 0018:ffffb590c1327e60 EFLAGS: 00010286 <4>[ 42.599809] RAX: ffffffff890e48f0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 42.608070] RDX: 0000000000000000 RSI: ffff91233ac1bf70 RDI: ffffffff89ed1110 <4>[ 42.616345] RBP: ffffffff8a3100a8 R08: 0000000000000001 R09: 0000000000000001 0000000000000 R09: 0000000000000000 # [ 37.313209] R10: 00000<4>[ 42.624614] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 42.639087] R13: ffffb590c1327f10 R14: ffffb590c1327f10 R15: ffff9122c35de000 <4>[ 42.647353] FS: 00007f2083810580(0000) GS:ffff91233ac80000(0000) knlGS:0000000000000000 <4>[ 42.656683] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 42.663392] CR2: ffffffff8a331330 CR3: 0000000105760005 CR4: 00000000003706e0 <3>[ 42.671644] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 42.681847] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1902, name: cat <4>[ 42.690593] INFO: lockdep is turned off. <4>[ 42.695259] irq event stamp: 0 <4>[ 42.698957] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 42.706249] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 42.715677] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 42.725104] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 42.732394] CPU: 1 PID: 1902 Comm: cat Tainted: G D W 5.10.166-cip25 #1 <4>[ 42.741350] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 42.748446] Call Trace: <4>[ 42.751465] dump_stack+0x77/0x9b <4>[ 42.755457] ___might_sleep.cold+0xa6/0xb6 <4>[ 42.760322] exit_signals+0x1c/0x2e0 <4>[ 42.764604] do_exit+0xc2/0xaf0 <4>[ 42.768399] ? ksys_write+0x68/0xf0 <4>[ 42.772574] make_task_dead+0x2f/0x30 <4>[ 42.776953] rewind_stack_and_make_dead+0x17/0x20 <4>[ 42.782494] RIP: 0033:0x7f2083726833 <4>[ 42.786773] 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 <4>[ 42.808039] RSP: 002b:00007ffddaa35b28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 42.816787] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f2083726833 <4>[ 42.825048] RDX: 0000000000000014 RSI: 00007f2083619000 RDI: 0000000000000001 <4>[ 42.833310] RBP: 00007f2083619000 R08: 00007f2083618010 R09: 0000000000000000 <4>[ 42.841572] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 42.849833] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 37.321459] R13: ffffb590c2207f10 R14: ffffb590c2207f10 R15: ffff9122c278e000 # [ 37.329719] FS: 00007f413407e580(0000) GS:ffff91233ad00000(0000) knlGS:0000000000000000 # [ 37.339035] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 37.345739] CR2: ffff9122c2758340 CR3: 0000000103174004 CR4: 00000000003706e0 # [ 37.353999] Call Trace: # [ 37.357018] ? execute_location+0x45/0x56 # [ 37.361785] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 37.366744] ? direct_entry.cold+0x2c/0x38 # [ 37.371598] ? full_proxy_write+0x53/0x80 # [ 37.376364] ? vfs_write+0xe7/0x3a0 # [ 37.380545] ? ksys_write+0x68/0xf0 # [ 37.384727] ? do_syscall_64+0x30/0x40 # [ 37.389199] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 37.395327] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 37.422084] CR2: ffff9122c2758340 # [ 37.426065] ---[ end trace 87e3e0b4378e0867 ]--- # [ 37.431507] RIP: 0010:lkdtm_BUG+0x5/0x<6>[ 42.973265] lkdtm: Performing direct entry WRITE_KERN 10 # [ 37.436173] Code: 89 ff e8 de 62 a3 ff 48 c7 c0 ea ff f<6>[ 42.982127] lkdtm: attempting bad 6691974 byte write at ffffffff89746946 f ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff<1>[ 42.996130] BUG: unable to handle page fault for address: ffffffff89746946 <1>[ 43.010309] #PF: supervisor write access in kernel mode ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1<1>[ 43.016435] #PF: error_code(0x0003) - permissions violation f <44 00 00 83 05 60 7d 92 02 # [ 37.457443] RSP: 0018:ffffb596>[ 43.029163] PGD 3b229067 P4D 3b229067 PUD 3b22a063 PMD 3a4000e1 <4>[ 43.042387] Oops: 0003 [#16] SMP PTI <4>[ 43.046669] CPU: 1 PID: 1937 Comm: cat Tainted: G D W 5.10.166-cip25 #1 <4>[ 43.055613] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 43.062713] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e 0c1327e60 EFLAGS: 00010286 # [ 37.463567] RAX: ffffffff890e48<4>[ 43.068161] Code: 53 48 c7 c3 46 69 74 89 49 89 dc 48 89 da 49 81 ec c0 4c 0e 89 4c 89 e6 e8 bf 97 fd ff 48 89 df 4c 89 e1 48 c7 c6 c0 4c 0e 89 a4 48 c7 c7 f0 58 2b 8a e8 a4 97 fd ff 5b 41 5c e9 b7 fe ff ff <4>[ 43.095654] RSP: 0018:ffffb590c26bfe50 EFLAGS: 00010246 <4>[ 43.101780] RAX: 000000000000003c RBX: ffffffff89746946 RCX: 0000000000661c86 <4>[ 43.110042] RDX: 0000000000000000 RSI: ffffffff890e4cc0 RDI: ffffffff89746946 <4>[ 43.118302] RBP: ffffffff8a2b4afa R08: 0000000000000000 R09: 0000000000000000 <4>[ 43.126563] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000661c86 <4>[ 43.134824] R13: ffffb590c26bff10 R14: ffffb590c26bff10 R15: ffff9122c304f000 <4>[ 43.143086] FS: 00007fd72c21d580(0000) GS:ffff91233ac80000(0000) knlGS:0000000000000000 <4>[ 43.152415] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 43.159123] CR2: ffffffff89746946 CR3: 0000000103086001 CR4: 00000000003706e0 <4>[ 43.167383] Call Trace: <4>[ 43.170405] direct_entry.cold+0x2c/0x38 f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 37.471826]<4>[ 43.175076] full_proxy_write+0x53/0x80 <4>[ 43.185862] vfs_write+0xe7/0x3a0 <4>[ 43.189854] ksys_write+0x68/0xf0 <4>[ 43.193845] do_syscall_64+0x30/0x40 <4>[ 43.198126] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 43.204058] RIP: 0033:0x7fd72c133833 <4>[ 43.208329] 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 <4>[ 43.229607] RSP: 002b:00007ffcf52763e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 43.238350] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fd72c133833 <4>[ 43.246611] RDX: 000000000000000b RSI: 00007fd72c026000 RDI: 0000000000000001 <4>[ 43.254872] RBP: 00007fd72c026000 R08: 00007fd72c025010 R09: 0000000000000000 <4>[ 43.263135] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 43.271397] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 RDX: 0000000000000000 RSI: ffff91233ac1bf70 RDI: ffffffff89ed11<4>[ 43.279661] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify <4>[ 43.312594] CR2: ffffffff89746946 <4>[ 43.316582] ---[ end trace 87e3e0b4378e0870 ]--- <4>[ 43.322029] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 43.326697] Code: 89 ff e8 de 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 60 7d 92 02 <4>[ 43.347975] RSP: 0018:ffffb590c1327e60 EFLAGS: 00010286 <4>[ 43.354100] RAX: ffffffff890e48f0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 43.362361] RDX: 0000000000000000 RSI: ffff91233ac1bf70 RDI: ffffffff89ed1110 <4>[ 43.370622] RBP: ffffffff8a3100a8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 43.378882] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 43.387143] R13: ffffb590c1327f10 R14: ffffb590c1327f10 R15: ffff9122c35de000 <4>[ 43.395404] FS: 00007fd72c21d580(0000) GS:ffff91233ac80000(0000) knlGS:0000000000000000 <4>[ 43.404736] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 43.411443] CR2: ffffffff89746946 CR3: 0000000103086001 CR4: 00000000003706e0 10 # [ 37.480086] RBP: ffffffff8a3100a8 R08: 0000000000000001 R09: 0000000000000001 # [ 37.488357] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 37.496614] R13: ffffb590c1327f10 R14: ffffb590c1327f10 R15: ffff9122c35de000 # [ 37.504872] FS: 00007f413407e580(0000) GS:ffff91233ad00000(0000) knlGS:0000000000000000 # [ 37.514198] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 37.520903] CR2: ffff9122c2758340 CR3: 0000000103174004 CR4: 00000000003706e0 # [ 37.529161] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 37.539362] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1618, name: cat # [ 37.548107] INFO: lockdep is turned off. # [ 37.552771] irq event stamp: 0 # [ 37.556467] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 37.563757] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 37.573181] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 37.582606] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 37.589887] CPU: 2 PID: 161<6>[ 43.531423] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW <6>[ 43.538588] lkdtm: attempting good refcount_inc() without overflow <6>[ 43.545788] lkdtm: attempting bad refcount_inc() overflow <4>[ 43.552146] ------------[ cut here ]------------ 8 Comm: cat Tainted: G D W 5.10.166-cip25 #1 # [ <4>[ 43.557622] refcount_t: saturated; leaking memory. <4>[ 43.569502] WARNING: CPU: 3 PID: 1972 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 37.598826] Hardware name: Google Rammus/Rammus, BIOS 09/04/202<4>[ 43.579234] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify <4>[ 43.612168] CPU: 3 PID: 1972 Comm: cat Tainted: G D W 5.10.166-cip25 #1 <4>[ 43.621146] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 43.628249] RIP: 0010:refcount_warn_saturate+0x51/0x110 <4>[ 43.634399] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d a3 ee 93 01 00 75 ee 48 c7 c7 90 01 25 8a c6 05 93 ee 93 01 01 e8 91 b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 7f ee 93 01 00 75 cb 48 c7 c7 b8 01 25 <4>[ 43.655684] RSP: 0018:ffffb590c2767e48 EFLAGS: 00010286 <4>[ 43.661846] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 <4>[ 43.670111] RDX: ffff91233adac660 RSI: ffff91233ad9bf70 RDI: ffff91233ad9bf70 <4>[ 43.678379] RBP: ffffffff8a2b4b05 R08: 0000000000000000 R09: 0000000000000000 0 # [ 37.605921] Call Trace: # [ 37.608938] dump_stack+0x<4>[ 43.686647] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 77/0x9b # [ 37.612928] ___might_sleep.cold+0xa6/0xb6 # [ <4>[ 43.701129] R13: ffffb590c2767f10 R14: ffffb590c2767f10 R15: ffff9122c61ce000 37.617790] exit_signals+0x1c/0x2e0 # [ 37.622060] do_exit+0<4>[ 43.715609] FS: 00007f8705e24580(0000) GS:ffff91233ad80000(0000) knlGS:0000000000000000 <4>[ 43.731160] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 43.737871] CR2: 00007f8705c2d000 CR3: 000000010557a004 CR4: 00000000003706e0 <4>[ 43.746138] Call Trace: <4>[ 43.749160] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 <4>[ 43.754827] direct_entry.cold+0x2c/0x38 <4>[ 43.759522] full_proxy_write+0x53/0x80 <4>[ 43.764146] vfs_write+0xe7/0x3a0 xc2/0xaf0 # [ 37.625855] ? ksys_write+0x68/0xf0 # [ 37.63<4>[ 43.768151] ksys_write+0x68/0xf0 <4>[ 43.778354] do_syscall_64+0x30/0x40 <4>[ 43.782638] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 43.788572] RIP: 0033:0x7f8705d3a833 <4>[ 43.792856] 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 <4>[ 43.814133] RSP: 002b:00007ffef4ce03f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 43.822884] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f8705d3a833 <4>[ 43.831147] RDX: 0000000000000016 RSI: 00007f8705c2d000 RDI: 0000000000000001 <4>[ 43.839412] RBP: 00007f8705c2d000 R08: 00007f8705c2c010 R09: 0000000000000000 <4>[ 43.847677] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 43.855941] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 43.864209] irq event stamp: 0 0036] make_task_dead+0x2f/0x30 # [ 37.634413] rewind_stack_<4>[ 43.867934] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 43.881439] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 43.890870] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 and_make_dead+0x17/0x20 # [ 37.639944] RIP: 0033:0x7f4133f948<4>[ 43.900307] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 43.913807] ---[ end trace 87e3e0b4378e0871 ]--- <6>[ 43.919254] lkdtm: Overflow detected: saturated 33 # [ 37.644222] 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 # [ 37.665491] RSP: 002b:00007ffdf913c9c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 37.674237] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f4133f94833 # [ 37.682496] RDX: 000000000000000d RSI: 00007f4133e87000 RDI: 0000000000000001 # [ 37.690754] RBP: 00007f4133e87000 R08: 00007f4133e86010 R09: 0000000000000000 # [ 37.699012] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 37.707270] 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 # [ 37.824176] lkdtm: Performing direct entry EXEC_VMALLOC # [ 37.833594] lkdtm: attempting ok execution at ffffffff890e4cc0 # [ 37.840413] lkdtm: attempting bad execution at ffffb590c033d000 # [ 37.847376] kernel tried<6>[ 44.024904] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW to execute NX-protected page - exploit attempt? (uid: 0) # [ <6>[ 44.037337] lkdtm: attempting good refcount_add() without overflow 37.856035] BUG: unable to handle page fault for address: ffffb5<6>[ 44.050766] lkdtm: attempting bad refcount_add() overflow 90c033d000 # [ 37.870216] #PF: supervisor instruction fetch i<4>[ 44.063290] ------------[ cut here ]------------ n kernel mode # [ 37.876827] #PF: error_code(0x0011) - permis<4>[ 44.074937] refcount_t: saturated; leaking memory. sions violation # [ 37.883329] PGD 100000067 P4D 100000067 PU<4>[ 44.086864] WARNING: CPU: 0 PID: 2004 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 D 10020b067 PMD 1009e9067 PTE 8000000103fd0063 # [ 37.892664]<4>[ 44.102763] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify Oops: 0011 [#8] SMP PTI # [ 37.903056] CPU: 2 PID: 1654 Comm<4>[ 44.135716] CPU: 0 PID: 2004 Comm: cat Tainted: G D W 5.10.166-cip25 #1 : cat Tainted: G D W 5.10.166-cip25 #1 # [ 37.91<4>[ 44.150866] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 1996] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [<4>[ 44.164229] RIP: 0010:refcount_warn_saturate+0x51/0x110 37.925306] RIP: 0010:0xffffb590c033d000 # [ 37.929974] Cod<4>[ 44.176523] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d a3 ee 93 01 00 75 ee 48 c7 c7 90 01 25 8a c6 05 93 ee 93 01 01 e8 91 b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 7f ee 93 01 00 75 cb 48 c7 c7 b8 01 25 e: Unable to access opcode bytes at RIP 0xffffb590c033cfd6. # [<4>[ 44.204052] RSP: 0018:ffffb590c27dfe48 EFLAGS: 00010286 37.937934] RSP: 0018:ffffb590c226fe38 EFLAGS: 00010246 # [ <4>[ 44.216369] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 37.944057] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 000<4>[ 44.230859] RDX: ffff91233ac2c660 RSI: ffff91233ac1bf70 RDI: ffff91233ac1bf70 0000000000000 # [ 37.952315] RDX: 0000000000000000 RSI: ffff9<4>[ 44.245328] RBP: ffffffff8a2b4b1b R08: 0000000000000000 R09: 0000000000000000 1233ad1bf70 RDI: ffff91233ad1bf70 # [ 37.960575] RBP: ffffb59<4>[ 44.259835] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 0c033d000 R08: 0000000000000000 R09: 0000000000000000 # [ 37.<4>[ 44.274299] R13: ffffb590c27dff10 R14: ffffb590c27dff10 R15: ffff9122c4d39000 968834] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000<4>[ 44.288806] FS: 00007f819c48b580(0000) GS:ffff91233ac00000(0000) knlGS:0000000000000000 00000000d # [ 37.977093] R13: ffffb590c226ff10 R14: ffffb590c<4>[ 44.304338] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 226ff10 R15: ffff9122c3fd0000 # [ 37.985352] FS: 00007fcc393<4>[ 44.317325] CR2: 00007f819c294000 CR3: 0000000103206001 CR4: 00000000003706f0 f6580(0000) GS:ffff91233ad00000(0000) knlGS:0000000000000000 # <4>[ 44.331775] Call Trace: [ 37.994678] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033<4>[ 44.341025] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 38.001385] CR2: ffffb590c033cfd6 CR3: 0000000103b2a003 C<4>[ 44.352869] direct_entry.cold+0x2c/0x38 R4: 00000000003706e0 # [ 38.009642] Call Trace: # [ 38.012<4>[ 44.363770] full_proxy_write+0x53/0x80 662] ? execute_location+0x45/0x56 # [ 38.017428] ? lkdtm_EX<4>[ 44.374562] vfs_write+0xe7/0x3a0 EC_VMALLOC+0x20/0x30 # [ 38.022386] ? direct_entry.cold+0x2c<4>[ 44.384783] ksys_write+0x68/0xf0 /0x38 # [ 38.027249] ? full_proxy_write+0x53/0x80 # [ 38.<4>[ 44.395002] do_syscall_64+0x30/0x40 032007] ? vfs_write+0xe7/0x3a0 # [ 38.036189] ? ksys_write+<4>[ 44.405479] entry_SYSCALL_64_after_hwframe+0x61/0xc6 0x68/0xf0 # [ 38.040372] ? do_syscall_64+0x30/0x40 # [ 38<4>[ 44.417630] RIP: 0033:0x7f819c3a1833 .044846] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 38.0<4>[ 44.428112] 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 50972] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec<4>[ 44.455614] RSP: 002b:00007fff899c30c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 _sensors_core industrialio_triggered_buffer kfifo_buf industrial<4>[ 44.470600] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f819c3a1833 io cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub cros_ec_light<4>[ 44.485046] RDX: 0000000000000016 RSI: 00007f819c294000 RDI: 0000000000000001 bar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_<4>[ 44.499573] RBP: 00007f819c294000 R08: 00007f819c293010 R09: 0000000000000000 notify # [ 38.077717] CR2: ffffb590c033d000 # [ 38.087916]<4>[ 44.514074] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 ---[ end trace 87e3e0b4378e0868 ]--- # [ 38.093360] RIP: 001<4>[ 44.528557] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0:lkdtm_BUG+0x5/0x10 # [ 38.098026] Code: 89 ff e8 de 62 a3 f<4>[ 44.543065] irq event stamp: 0 f 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc<4>[ 44.552945] hardirqs last enabled at (0): [<0000000000000000>] 0x0 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 0<4>[ 44.566496] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 0 00 00 00 00 0f 1f 44 00 00 83 05 60 7d 92 02 # [ 38.119299]<4>[ 44.582128] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 RSP: 0018:ffffb590c1327e60 EFLAGS: 00010286 # [ 38.125423] R<4>[ 44.597813] softirqs last disabled at (0): [<0000000000000000>] 0x0 AX: ffffffff890e48f0 RBX: 0000000000000001 RCX: 0000000000000000<4>[ 44.611323] ---[ end trace 87e3e0b4378e0872 ]--- # [ 38.133682] RDX: 0000000000000000 RSI: ffff91233ac1bf70 R<6>[ 44.622978] lkdtm: Overflow detected: saturated DI: ffffffff89ed1110 # [ 38.141941] RBP: ffffffff8a3100a8 R08: 0000000000000001 R09: 0000000000000001 # [ 38.150200] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 38.158458] R13: ffffb590c1327f10 R14: ffffb590c1327f10 R15: ffff9122c35de000 # [ 38.166719] FS: 00007fcc393f6580(0000) GS:ffff91233ad00000(0000) knlGS:0000000000000000 # [ 38.176047] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 38.182753] CR2: ffffb590c033cfd6 CR3: 0000000103b2a003 CR4: 00000000003706e0 # EXEC_VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh # Killed # [ 38.330124] lkdtm: Performing direct entry EXEC_RODATA # [ 38.340105] lkdtm: attempting ok execution at ffffffff890e4cc0 # [ 38.353110] lkdtm: attempting bad execution at ffffffff89ed15a0 # [ 38.366224] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 38.381083] BUG: unable to handle page fault for address: ffffffff89ed15a0 # [ 38.389053] #PF: supervisor instruction fetch in kernel mode # [ <6>[ 44.734575] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW 38.401872] #PF: error_code(0x0011) - permissions violation # [<6>[ 44.748369] lkdtm: attempting bad refcount_inc_not_zero() overflow 38.408383] PGD 3b229067 P4D 3b229067 PUD 3b22a063 PMD 8000000<4>[ 44.761814] ------------[ cut here ]------------ 03ac000e1 # [ 38.416162] Oops: 0011 [#9] SMP PTI # [ 38.4<4>[ 44.773462] refcount_t: saturated; leaking memory. 26557] CPU: 1 PID: 1690 Comm: cat Tainted: G D W 5.<4>[ 44.785321] WARNING: CPU: 0 PID: 2036 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 10.166-cip25 #1 # [ 38.435497] Hardware name: Google Rammus/R<4>[ 44.801302] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ammus, BIOS 09/04/2020 # [ 38.442596] RIP: 0010:lkdtm_rodata<4>[ 44.834203] CPU: 0 PID: 2036 Comm: cat Tainted: G D W 5.10.166-cip25 #1 _do_nothing+0x0/0x10 # [ 38.448625] Code: ff ff 3b 7f 74 89 f<4>[ 44.849363] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 f ff ff ff c2 4c 2b 8a ff ff ff ff 81 66 74 89 ff ff ff ff 55 aa<4>[ 44.862665] RIP: 0010:refcount_warn_saturate+0x97/0x110 55 aa 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0<4>[ 44.875028] Code: 01 01 e8 6e b4 95 00 0f 0b c3 cc cc cc cc 80 3d 5e ee 93 01 00 75 a8 48 c7 c7 90 01 25 8a c6 05 4e ee 93 01 01 e8 4b b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 38 ee 93 01 00 75 85 48 c7 c7 e8 01 25 0 00 00 00 00 00 00 00 00 00 54 68 69 73 20 69 # [ 38.476113]<4>[ 44.902495] RSP: 0018:ffffb590c285fe38 EFLAGS: 00010282 RSP: 0018:ffffb590c22b7e48 EFLAGS: 00010246 # [ 38.482236] R<4>[ 44.914844] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 AX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000<4>[ 44.929306] RDX: ffff91233ac2c660 RSI: ffff91233ac1bf70 RDI: ffff91233ac1bf70 # [ 38.490496] RDX: 0000000000000000 RSI: ffff91233ac9bf70 R<4>[ 44.943803] RBP: ffffffff8a2b4758 R08: 0000000000000000 R09: 0000000000000000 DI: ffff91233ac9bf70 # [ 38.498755] RBP: ffffffff89ed15a0 R08<4>[ 44.958280] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f : 0000000000000000 R09: 0000000000000000 # [ 38.507014] R10: <4>[ 44.972771] R13: ffffb590c285ff10 R14: ffffb590c285ff10 R15: ffff9122c3528000 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # <4>[ 44.987241] FS: 00007f0dd24fd580(0000) GS:ffff91233ac00000(0000) knlGS:0000000000000000 [ 38.515274] R13: ffffb590c22b7f10 R14: ffffb590c22b7f10 R15: <4>[ 45.002801] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ffff9122c540d000 # [ 38.523533] FS: 00007f0ceebea580(0000) G<4>[ 45.015713] CR2: 00007f0dd2306000 CR3: 0000000103254002 CR4: 00000000003706f0 S:ffff91233ac80000(0000) knlGS:0000000000000000 # [ 38.532861<4>[ 45.030213] Call Trace: ] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 38.53<4>[ 45.039439] __refcount_add_not_zero.constprop.0+0x2a/0x35 9567] CR2: ffffffff89ed15a0 CR3: 000000010552a001 CR4: 000000000<4>[ 45.052082] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 03706e0 # [ 38.547828] Call Trace: # [ 38.550848] ? execu<4>[ 45.064794] direct_entry.cold+0x2c/0x38 te_location+0x45/0x56 # [ 38.555615] ? direct_entry.cold+0x2<4>[ 45.075692] full_proxy_write+0x53/0x80 c/0x38 # [ 38.566689] ? full_proxy_write+0x53/0x80 # [ 38<4>[ 45.086471] vfs_write+0xe7/0x3a0 .571458] ? vfs_write+0xe7/0x3a0 # [ 38.581851] ? ksys_write<4>[ 45.096695] ksys_write+0x68/0xf0 +0x68/0xf0 # [ 38.586026] ? do_syscall_64+0x30/0x40 # [ 3<4>[ 45.106887] do_syscall_64+0x30/0x40 8.590501] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 38.<4>[ 45.117417] entry_SYSCALL_64_after_hwframe+0x61/0xc6 596629] Modules linked in: fuse ip_tables cros_ec_sensors cros_e<4>[ 45.129552] RIP: 0033:0x7f0dd2413833 c_sensors_core industrialio_triggered_buffer kfifo_buf industria<4>[ 45.140062] 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 lio cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub cros_ec_ligh<4>[ 45.167546] RSP: 002b:00007fff3747d3a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 tbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd<4>[ 45.182518] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f0dd2413833 _notify # [ 38.629557] CR2: ffffffff89ed15a0 # [ 38.633537<4>[ 45.196986] RDX: 000000000000001f RSI: 00007f0dd2306000 RDI: 0000000000000001 ] ---[ end trace 87e3e0b4378e0869 ]--- # [ 38.638984] RIP: 00<4>[ 45.211488] RBP: 00007f0dd2306000 R08: 00007f0dd2305010 R09: 0000000000000000 10:lkdtm_BUG+0x5/0x10 # [ 38.643652] Code: 89 ff e8 de 62 a3 <4>[ 45.225950] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc c<4>[ 45.240432] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 c 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 <4>[ 45.254905] irq event stamp: 0 00 00 00 00 00 0f 1f 44 00 00 83 05 60 7d 92 02 # [ 38.664927<4>[ 45.264834] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ] RSP: 0018:ffffb590c1327e60 EFLAGS: 00010286 # [ 38.671051] <4>[ 45.278336] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 RAX: ffffffff890e48f0 RBX: 0000000000000001 RCX: 000000000000000<4>[ 45.293995] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 0 # [ 38.679311] RDX: 0000000000000000 RSI: ffff91233ac1bf70 <4>[ 45.309615] softirqs last disabled at (0): [<0000000000000000>] 0x0 RDI: ffffffff89ed1110 # [ 38.687571] RBP: ffffffff8a3100a8 R0<4>[ 45.323139] ---[ end trace 87e3e0b4378e0873 ]--- 8: 0000000000000001 R09: 0000000000000001 # [ 38.695831] R10:<6>[ 45.334787] lkdtm: Overflow detected: saturated 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 38.704091] R13: ffffb590c1327f10 R14: ffffb590c1327f10 R15: ffff9122c35de000 # [ 38.712361] FS: 00007f0ceebea580(0000) GS:ffff91233ac80000(0000) knlGS:0000000000000000 # [ 38.721691] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 38.728389] CR2: ffffffff89ed15a0 CR3: 000000010552a001 CR4: 00000000003706e0 # [ 38.736651] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 38.746856] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1690, name: cat # [ 38.755601] INFO: lockdep is turned off. # [ 38.760269] irq event stamp: 0 # [ 38.763967] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 38.771258] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 38.780686] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 38.790111] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 38.797401] CPU: 1 PID: 1690 Comm: cat Tainted: G D W 5.10.<6>[ 45.447452] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW 166-cip25 #1 # [ 38.806357] Hardware name: Google Rammus/Ramm<6>[ 45.459904] lkdtm: attempting bad refcount_add_not_zero() overflow us, BIOS 09/04/2020 # [ 38.813450] Call Trace: # [ 38.816<4>[ 45.473318] ------------[ cut here ]------------ 468] dump_stack+0x77/0x9b # [ 38.820458] ___might_sleep.col<4>[ 45.484981] refcount_t: saturated; leaking memory. d+0xa6/0xb6 # [ 38.825314] exit_signals+0x1c/0x2e0 # [ 38<4>[ 45.496852] WARNING: CPU: 1 PID: 2068 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 .829595] do_exit+0xc2/0xaf0 # [ 38.839603] ? ksys_write+0x6<4>[ 45.512782] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 8/0xf0 # [ 38.843787] make_task_dead+0x2f/0x30 # [ 38.848<4>[ 45.545746] CPU: 1 PID: 2068 Comm: cat Tainted: G D W 5.10.166-cip25 #1 165] rewind_stack_and_make_dead+0x17/0x20 # [ 38.853698] RIP<4>[ 45.560881] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 : 0033:0x7f0ceeb00833 # [ 38.857979] Code: 8b 15 61 26 0e 00 <4>[ 45.574196] RIP: 0010:refcount_warn_saturate+0x97/0x110 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 1<4>[ 45.586539] Code: 01 01 e8 6e b4 95 00 0f 0b c3 cc cc cc cc 80 3d 5e ee 93 01 00 75 a8 48 c7 c7 90 01 25 8a c6 05 4e ee 93 01 01 e8 4b b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 38 ee 93 01 00 75 85 48 c7 c7 e8 01 25 8 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff <4>[ 45.614034] RSP: 0018:ffffb590c28d7e38 EFLAGS: 00010282 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 38.879247<4>[ 45.626381] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 ] RSP: 002b:00007fff7948ccb8 EFLAGS: 00000246 ORIG_RAX: 00000000<4>[ 45.640863] RDX: ffff91233acac660 RSI: ffff91233ac9bf70 RDI: ffff91233ac9bf70 00000001 # [ 38.887995] RAX: ffffffffffffffda RBX: 0000000000<4>[ 45.655357] RBP: ffffffff8a2b4778 R08: 0000000000000000 R09: 0000000000000000 00000c RCX: 00007f0ceeb00833 # [ 38.896256] RDX: 000000000000<4>[ 45.669840] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f 000c RSI: 00007f0cee9f3000 RDI: 0000000000000001 # [ 38.90451<4>[ 45.684325] R13: ffffb590c28d7f10 R14: ffffb590c28d7f10 R15: ffff9122c3870000 8] RBP: 00007f0cee9f3000 R08: 00007f0cee9f2010 R09: 000000000000<4>[ 45.698808] FS: 00007fdd4b091580(0000) GS:ffff91233ac80000(0000) knlGS:0000000000000000 0000 # [ 38.912780] R10: fffffffffffffbc5 R11: 00000000000002<4>[ 45.714360] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 46 R12: 0000000000000001 # [ 38.921041] R13: 0000000000000001<4>[ 45.727306] CR2: 00007fdd4ae9a000 CR3: 00000001035d0004 CR4: 00000000003706e0 R14: 0000000000020000 R15: 0000000000020000 # EXEC_RODATA: saw<4>[ 45.741789] Call Trace: 'call trace:': ok ok 34 selftests: lkdtm: EXEC_RODATA.sh # se<4>[ 45.751031] __refcount_add_not_zero.constprop.0+0x2a/0x35 lftests: lkdtm: EXEC_USERSPACE.sh # Killed # [ 39.035650] lk<4>[ 45.763666] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 dtm: Performing direct entry EXEC_USERSPACE # [ 39.047540] lk<4>[ 45.776400] direct_entry.cold+0x2c/0x38 dtm: attempting ok execution at ffffffff890e4cc0 # [ 39.06055<4>[ 45.787308] full_proxy_write+0x53/0x80 8] lkdtm: attempting bad execution at 00007fe8d10a1000 # [ 39<4>[ 45.798100] vfs_write+0xe7/0x3a0 .073679] unable to execute userspace code (SMEP?) (uid: 0) # [ <4>[ 45.808311] ksys_write+0x68/0xf0 39.086578] BUG: unable to handle page fault for address: 00007<4>[ 45.818520] do_syscall_64+0x30/0x40 fe8d10a1000 # [ 39.094539] #PF: supervisor instruction fetch <4>[ 45.829019] entry_SYSCALL_64_after_hwframe+0x61/0xc6 in kernel mode # [ 39.101148] #PF: error_code(0x0011) - permi<4>[ 45.841170] RIP: 0033:0x7fdd4afa7833 ssions violation # [ 39.107662] PGD 8000000104ec7067 P4D 8000<4>[ 45.851671] 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 000104ec7067 PUD 103bce067 PMD 1013c0067 PTE 10ec9a067 # [ 39<4>[ 45.879169] RSP: 002b:00007ffc45623328 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 .117684] Oops: 0011 [#10] SMP PTI # [ 39.121966] CPU: 0 PID: <4>[ 45.894136] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fdd4afa7833 1726 Comm: cat Tainted: G D W 5.10.166-cip25 #1 # <4>[ 45.908621] RDX: 000000000000001f RSI: 00007fdd4ae9a000 RDI: 0000000000000001 [ 39.130908] Hardware name: Google Rammus/Rammus, BIOS 09/04/<4>[ 45.923105] RBP: 00007fdd4ae9a000 R08: 00007fdd4ae99010 R09: 0000000000000000 2020 # [ 39.138006] RIP: 0010:0x7fe8d10a1000 # [ 39.142292<4>[ 45.937585] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 ] Code: Unable to access opcode bytes at RIP 0x7fe8d10a0fd6. # <4>[ 45.952069] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 39.149874] RSP: 0018:ffffb590c232fe50 EFLAGS: 00010246 # [ <4>[ 45.966560] irq event stamp: 0 39.156000] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 00<4>[ 45.976474] hardirqs last enabled at (0): [<0000000000000000>] 0x0 00000000000000 # [ 39.164261] RDX: 0000000000000000 RSI: ffff<4>[ 45.989988] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 91233ac1bf70 RDI: ffff91233ac1bf70 # [ 39.172524] RBP: 00007f<4>[ 46.005635] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 e8d10a1000 R08: 0000000000000000 R09: 0000000000000000 # [ 39<4>[ 46.021284] softirqs last disabled at (0): [<0000000000000000>] 0x0 .180779] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000<4>[ 46.034797] ---[ end trace 87e3e0b4378e0874 ]--- 000000000f # [ 39.189041] R13: ffffb590c232ff10 R14: ffffb590<6>[ 46.046466] lkdtm: Overflow detected: saturated c232ff10 R15: ffff9122c34c9000 # [ 39.197303] FS: 00007fe8d1072580(0000) GS:ffff91233ac00000(0000) knlGS:0000000000000000 # [ 39.206632] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 39.213339] CR2: 00007fe8d10a1000 CR3: 0000000103174003 CR4: 00000000003706f0 # [ 39.221601] Call Trace: # [ 39.224622] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae # [ 39.230269] ? direct_entry.cold+0x2c/0x38 # [ 39.235139] ? full_proxy_write+0x53/0x80 # [ 39.239912] ? vfs_write+0xe7/0x3a0 # [ 39.244096] ? ksys_write+0x68/0xf0 # [ 39.248297] ? do_syscall_64+0x30/0x40 # [ 39.252778] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 39.258905] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 39.285636] CR2: 00007fe8d10a1000 # [ 39.289625] ---[ end trace 87e3e0b4378e086a ]--- # [ 39.295071] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 39.299731] C<6>[ 46.161236] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO <6>[ 46.170360] lkdtm: attempting good refcount_dec() <6>[ 46.175938] lkdtm: attempting bad refcount_dec() to zero ode: 89 ff e8 de 62 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea<4>[ 46.182168] ------------[ cut here ]------------ <4>[ 46.193829] refcount_t: decrement hit 0; leaking memory. <4>[ 46.200067] WARNING: CPU: 3 PID: 2100 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 <4>[ 46.209797] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 <4>[ 46.236561] CPU: 3 PID: 2100 Comm: cat Tainted: G D W 5.10.166-cip25 #1 <4>[ 46.251712] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 46.258838] RIP: 0010:refcount_warn_saturate+0xfb/0x110 <4>[ 46.264967] Code: 40 02 25 8a c6 05 ff ed 93 01 01 e8 01 b4 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 10 02 25 8a c6 05 e6 ed 93 01 01 e8 e7 b3 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b <4>[ 46.286247] RSP: 0018:ffffb590c2937e48 EFLAGS: 00010286 <4>[ 46.292376] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 <4>[ 46.300639] RDX: ffff91233adac660 RSI: ffff91233ad9bf70 RDI: ffff91233ad9bf70 <4>[ 46.308904] RBP: ffffffff8a2b4b31 R08: 0000000000000000 R09: 0000000000000000 <4>[ 46.317167] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 <4>[ 46.325430] R13: ffffb590c2937f10 R14: ffffb590c2937f10 R15: ffff9122c33e9000 <4>[ 46.333696] FS: 00007f01ee35b580(0000) GS:ffff91233ad80000(0000) knlGS:0000000000000000 <4>[ 46.343028] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 46.349739] CR2: 00007f01ee164000 CR3: 0000000103b1a003 CR4: 00000000003706e0 <4>[ 46.358004] Call Trace: <4>[ 46.361028] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd <4>[ 46.366316] direct_entry.cold+0x2c/0x38 <4>[ 46.370995] full_proxy_write+0x53/0x80 <4>[ 46.375595] vfs_write+0xe7/0x3a0 <4>[ 46.379587] ksys_write+0x68/0xf0 <4>[ 46.383580] do_syscall_64+0x30/0x40 <4>[ 46.387864] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 46.393800] RIP: 0033:0x7f01ee271833 <4>[ 46.398082] 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 <4>[ 46.419361] RSP: 002b:00007fff90441688 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 46.428111] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f01ee271833 <4>[ 46.436374] RDX: 0000000000000012 RSI: 00007f01ee164000 RDI: 0000000000000001 <4>[ 46.444637] RBP: 00007f01ee164000 R08: 00007f01ee163010 R09: 0000000000000000 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 7d<4>[ 46.452904] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 92 02 # [ 39.321004] RSP: 0018:ffffb590c1327e60 EFLAGS: 0001<4>[ 46.467385] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 46.481871] irq event stamp: 0 0286 # [ 39.327129] RAX: ffffffff890e48f0 RBX: 00000000000000<4>[ 46.485597] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 46.499100] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 46.508529] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 46.517957] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 46.525251] ---[ end trace 87e3e0b4378e0875 ]--- <6>[ 46.530698] lkdtm: Zero detected: saturated 01 RCX: 0000000000000000 # [ 39.335387] RDX: 0000000000000000 RSI: ffff91233ac1bf70 RDI: ffffffff89ed1110 # [ 39.343646] RBP: ffffffff8a3100a8 R08: 0000000000000001 R09: 0000000000000001 # [ 39.351905] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 39.360164] R13: ffffb590c1327f10 R14: ffffb590c1327f10 R15: ffff9122c35de000 # [ 39.368424] FS: 00007fe8d1072580(0000) GS:ffff91233ac00000(0000) knlGS:0000000000000000 # [ 39.377743] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 39.384448] CR2: 00007fe8d10a1000 CR3: 0000000103174003 CR4: 00000000003706f0 # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh # Killed # [ 39.550510] lkdtm: Performing direct entry EXEC_NULL # [ 39.560163] lkdtm: attempting ok execution at ffffffff890e4cc0 # [ 39.573225] lkdtm: attempting bad execution at 0000000000000000 # [ 39.586340] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 39.600604] #PF: supervisor instruction fetch in kernel mode # [ 39.607211] #PF: error_code(0x0010) - not-present page # [ 3<6>[ 46.645378] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE <6>[ 46.654648] lkdtm: attempting bad refcount_dec() below zero <4>[ 46.661194] ------------[ cut here ]------------ <4>[ 46.666644] refcount_t: decrement hit 0; leaking memory. <4>[ 46.672922] WARNING: CPU: 3 PID: 2135 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 9.613238] PGD 0 P4D 0 # [ 39.616354] Oops: 0010 [#11] SMP PT<4>[ 46.682652] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify <4>[ 46.715584] CPU: 3 PID: 2135 Comm: cat Tainted: G D W 5.10.166-cip25 #1 <4>[ 46.724553] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 I # [ 39.620633] CPU: 0 PID: 1762 Comm: cat Tainted: G D<4>[ 46.731657] RIP: 0010:refcount_warn_saturate+0xfb/0x110 W 5.10.166-cip25 #1 # [ 39.629572] Hardware name: Go<4>[ 46.744000] Code: 40 02 25 8a c6 05 ff ed 93 01 01 e8 01 b4 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 10 02 25 8a c6 05 e6 ed 93 01 01 e8 e7 b3 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b <4>[ 46.771486] RSP: 0018:ffffb590c29dfe48 EFLAGS: 00010286 <4>[ 46.777645] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 <4>[ 46.785911] RDX: ffff91233adac660 RSI: ffff91233ad9bf70 RDI: ffff91233ad9bf70 <4>[ 46.794173] RBP: ffffffff8a2b4b43 R08: 0000000000000000 R09: 0000000000000000 <4>[ 46.802438] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 <4>[ 46.810703] R13: ffffb590c29dff10 R14: ffffb590c29dff10 R15: ffff9122c3fd6000 <4>[ 46.818969] FS: 00007f97828bf580(0000) GS:ffff91233ad80000(0000) knlGS:0000000000000000 ogle Rammus/Rammus, BIOS 09/04/2020 # [ 39.636668] RIP: 0010<4>[ 46.828304] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 46.841231] CR2: 00007f97826c8000 CR3: 0000000103874003 CR4: 00000000003706e0 <4>[ 46.849495] Call Trace: <4>[ 46.852518] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 <4>[ 46.858194] direct_entry.cold+0x2c/0x38 <4>[ 46.862898] full_proxy_write+0x53/0x80 <4>[ 46.867505] vfs_write+0xe7/0x3a0 <4>[ 46.871528] ksys_write+0x68/0xf0 <4>[ 46.875547] do_syscall_64+0x30/0x40 <4>[ 46.879861] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 46.885796] RIP: 0033:0x7f97827d5833 <4>[ 46.890078] 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 <4>[ 46.911359] RSP: 002b:00007ffff6352348 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 46.920134] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f97827d5833 <4>[ 46.928397] RDX: 0000000000000016 RSI: 00007f97826c8000 RDI: 0000000000000001 <4>[ 46.936661] RBP: 00007f97826c8000 R08: 00007f97826c7010 R09: 0000000000000000 <4>[ 46.944925] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 46.953189] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 46.961459] irq event stamp: 0 :0x0 # [ 39.639879] Code: Unable to access opcode bytes at RI<4>[ 46.965185] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 46.978689] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 46.988119] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 46.997549] softirqs last disabled at (0): [<0000000000000000>] 0x0 P 0xffffffffffffffd6. # [ 39.647846] RSP: 0018:ffffb590c23c7e<4>[ 47.004844] ---[ end trace 87e3e0b4378e0876 ]--- 48 EFLAGS: 00010246 # [ 39.653970] RAX: 0000000000000033 RBX:<6>[ 47.016509] lkdtm: Negative detected: saturated 0000000000000000 RCX: 0000000000000000 # [ 39.662229] RDX: 0000000000000000 RSI: ffff91233ac1bf70 RDI: ffff91233ac1bf70 # [ 39.670489] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 # [ 39.678747] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 39.687008] R13: ffffb590c23c7f10 R14: ffffb590c23c7f10 R15: ffff9122c27aa000 # [ 39.695266] FS: 00007fa9b2d53580(0000) GS:ffff91233ac00000(0000) knlGS:0000000000000000 # [ 39.704594] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 39.711304] CR2: ffffffffffffffd6 CR3: 0000000103862005 CR4: 00000000003706f0 # [ 39.719565] Call Trace: # [ 39.722584] execute_location+0x45/0x56 # [ 39.727163] direct_entry.cold+0x2c/0x38 # [ 39.731838] full_proxy_write+0x53/0x80 # [ 39.736416] vfs_write+0xe7/0x3a0 # [ 39.740409] ksys_write+0x68/0xf0 # [ 39.744399] do_syscall_64+0x30/0x40 # [ 39.748686] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 39.754617] RIP: 0033:0x7fa9b2c69833 # [ 39.758896] 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 e<6>[ 47.140263] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE c 28 48 89 54 24 18 # [ 39.780157] RSP: 002b:00007ffe0e556fa8<6>[ 47.154087] lkdtm: attempting bad refcount_dec_and_test() below zero EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 39.788903] R<4>[ 47.167694] ------------[ cut here ]------------ AX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fa9b2c69833<4>[ 47.179368] refcount_t: underflow; use-after-free. # [ 39.797163] RDX: 000000000000000a RSI: 00007fa9b2b5c000 R<4>[ 47.191257] WARNING: CPU: 1 PID: 2170 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 DI: 0000000000000001 # [ 39.805421] RBP: 00007fa9b2b5c000 R08<4>[ 47.207165] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify : 00007fa9b2b5b010 R09: 0000000000000000 # [ 39.813682] R10: <4>[ 47.240100] CPU: 1 PID: 2170 Comm: cat Tainted: G D W 5.10.166-cip25 #1 fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # <4>[ 47.255260] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 39.821941] R13: 0000000000000001 R14: 0000000000020000 R15: <4>[ 47.268580] RIP: 0010:refcount_warn_saturate+0xba/0x110 0000000000020000 # [ 39.830205] Modules linked in: fuse ip_ta<4>[ 47.280925] Code: 01 01 e8 4b b4 95 00 0f 0b c3 cc cc cc cc 80 3d 38 ee 93 01 00 75 85 48 c7 c7 e8 01 25 8a c6 05 28 ee 93 01 01 e8 28 b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 13 ee 93 01 00 0f 85 5e ff ff ff 48 c7 bles cros_ec_sensors cros_ec_sensors_core industrialio_triggered<4>[ 47.308441] RSP: 0018:ffffb590c2a6fe40 EFLAGS: 00010286 <4>[ 47.320764] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 _buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cro<4>[ 47.329032] RDX: ffff91233acac660 RSI: ffff91233ac9bf70 RDI: ffff91233ac9bf70 s_ec_sensorhub cros_ec_lightbar cros_ec_chardev x86_pkg_temp_the<4>[ 47.343536] RBP: ffffffff8a2b4798 R08: 0000000000000000 R09: 0000000000000000 rmal cros_ec_dev cros_usbpd_notify # [ 39.856931] CR2: 000000<4>[ 47.358036] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f <4>[ 47.372495] R13: ffffb590c2a6ff10 R14: ffffb590c2a6ff10 R15: ffff9122c3827000 0000000000 # [ 39.860918] ---[ end trace 87e3e0b4378e086b ]--<4>[ 47.380763] FS: 00007f12452d4580(0000) GS:ffff91233ac80000(0000) knlGS:0000000000000000 - # [ 39.866365] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 39.87103<4>[ 47.396307] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 1] Code: 89 ff e8 de 62 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c<4>[ 47.409235] CR2: 00007f12450dd000 CR3: 0000000103084002 CR4: 00000000003706e0 0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44<4>[ 47.423717] Call Trace: 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 6<4>[ 47.432960] __refcount_sub_and_test.constprop.0+0x3c/0x50 0 7d 92 02 # [ 39.892305] RSP: 0018:ffffb590c1327e60 EFLAGS: <4>[ 47.445595] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 00010286 # [ 39.898427] RAX: ffffffff890e48f0 RBX: 0000000000<4>[ 47.458345] direct_entry.cold+0x2c/0x38 000001 RCX: 0000000000000000 # [ 39.906684] RDX: 000000000000<4>[ 47.469239] full_proxy_write+0x53/0x80 0000 RSI: ffff91233ac1bf70 RDI: ffffffff89ed1110 # [ 39.91494<4>[ 47.480030] vfs_write+0xe7/0x3a0 1] RBP: ffffffff8a3100a8 R08: 0000000000000001 R09: 000000000000<4>[ 47.490238] ksys_write+0x68/0xf0 0001 # [ 39.923198] R10: 00000000ffffe000 R11: 3fffffffffffff<4>[ 47.500448] do_syscall_64+0x30/0x40 ff R12: 0000000000000004 # [ 39.931456] R13: ffffb590c1327f10<4>[ 47.510946] entry_SYSCALL_64_after_hwframe+0x61/0xc6 R14: ffffb590c1327f10 R15: ffff9122c35de000 # [ 39.939713] F<4>[ 47.523096] RIP: 0033:0x7f12451ea833 S: 00007fa9b2d53580(0000) GS:ffff91233ac00000(0000) knlGS:00000<4>[ 47.533596] 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 00000000000 # [ 39.949039] CS: 0010 DS: 0000 ES: 0000 CR0: 0<4>[ 47.561093] RSP: 002b:00007ffe6dcc0768 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 000000080050033 # [ 39.955745] CR2: ffffffffffffffd6 CR3: 000<4>[ 47.576063] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f12451ea833 0000103862005 CR4: 00000000003706f0 # [ 39.963994] BUG: sleep<4>[ 47.590545] RDX: 000000000000001f RSI: 00007f12450dd000 RDI: 0000000000000001 <4>[ 47.605026] RBP: 00007f12450dd000 R08: 00007f12450dc010 R09: 0000000000000000 ing function called from invalid context at include/linux/percpu<4>[ 47.613317] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 47.627792] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 -rwsem.h:49 # [ 39.974195] in_atomic(): 0, irqs_disabled(): 1<4>[ 47.636081] irq event stamp: 0 <4>[ 47.645968] hardirqs last enabled at (0): [<0000000000000000>] 0x0 , non_block: 0, pid: 1762, name: cat # [ 39.982939] INFO: loc<4>[ 47.653264] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 47.668902] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 kdep is turned off. # [ 39.987605] irq event stamp: 0 # [ <4>[ 47.678349] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 47.691839] ---[ end trace 87e3e0b4378e0877 ]--- 39.991302] hardirqs last enabled at (0): [<0000000000000000>] 0<6>[ 47.697311] lkdtm: Negative detected: saturated x0 # [ 39.998591] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 40.008015] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 40.017438] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 40.024728] CPU: 0 PID: 1762 Comm: cat Tainted: G D W 5.10.166-cip25 #1 # [ 40.033657] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 40.040751] Call Trace: # [ 40.043769] dump_stack+0x77/0x9b # [ 40.047758] ___might_sleep.cold+0xa6/0xb6 # [ 40.052621] exit_signals+0x1c/0x2e0 # [ 40.056891] do_exit+0xc2/0xaf0 # [ 40.060684] ? ksys_write+0x68/0xf0 # [ 40.064860] make_task_dead+0x2f/0x30 # [ 40.069236] rewind_stack_and_make_dead+0x17/0x20 # [ 40.074776] RIP: 0033:0x7fa9b2c69833 # [ 40.079056] 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 # [ 40.100316] RSP: 002b:00007ffe0e556fa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 40.109062] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fa9b2c69833 # [ 40.117321] RDX: 000000000000000a RSI: 00007fa9b2b5c000 RDI: 0000000000000001 # [ 40.125582] RBP: 00007fa9b2b5c000 R08: 00007fa9b2b5b010 R09: 0000000000000000 # [ 40.133842] R10: fffffffff<6>[ 47.840937] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE ffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 40.14<6>[ 47.853503] lkdtm: attempting bad refcount_sub_and_test() below zero 2102] R13: 0000000000000001 R14: 0000000000020000 R15: 000000000<4>[ 47.867124] ------------[ cut here ]------------ 0020000 # EXEC_NULL: saw 'call trace:': ok ok 36 selftests: lk<4>[ 47.878786] refcount_t: underflow; use-after-free. dtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.sh # Ki<4>[ 47.890689] WARNING: CPU: 0 PID: 2205 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 lled # [ 40.359664] lkdtm: Performing direct entry ACCESS_USE<4>[ 47.906608] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify RSPACE # [ 40.368227] lkdtm: attempting bad read at 00007f95f<4>[ 47.939643] CPU: 0 PID: 2205 Comm: cat Tainted: G D W 5.10.166-cip25 #1 427d000 # [ 40.380859] BUG: unable to handle page fault for a<4>[ 47.954823] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 ddress: 00007f95f427d000 # [ 40.395034] #PF: supervisor read <4>[ 47.968091] RIP: 0010:refcount_warn_saturate+0xba/0x110 access in kernel mode # [ 40.401052] #PF: error_code(0x0001) <4>[ 47.980432] Code: 01 01 e8 4b b4 95 00 0f 0b c3 cc cc cc cc 80 3d 38 ee 93 01 00 75 85 48 c7 c7 e8 01 25 8a c6 05 28 ee 93 01 01 e8 28 b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 13 ee 93 01 00 0f 85 5e ff ff ff 48 c7 - permissions violation # [ 40.407565] PGD 800000010326c067 P<4>[ 48.007982] RSP: 0018:ffffb590c2af7e40 EFLAGS: 00010286 4D 800000010326c067 PUD 1027aa067 PMD 10386c067 PTE 1082c2067 #<4>[ 48.020296] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 [ 40.417581] Oops: 0001 [#12] SMP PTI # [ 40.428075] CPU: <4>[ 48.034831] RDX: ffff91233ac2c660 RSI: ffff91233ac1bf70 RDI: ffff91233ac1bf70 1 PID: 1797 Comm: cat Tainted: G D W 5.10.166-cip25<4>[ 48.049318] RBP: ffffffff8a2b47b8 R08: 0000000000000000 R09: 0000000000000000 #1 # [ 40.437016] Hardware name: Google Rammus/Rammus, BIOS <4>[ 48.063832] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f 09/04/2020 # [ 40.444115] RIP: 0010:lkdtm_ACCESS_USERSPACE.c<4>[ 48.078309] R13: ffffb590c2af7f10 R14: ffffb590c2af7f10 R15: ffff9122c4f00000 old+0x41/0xa3 # [ 40.450629] Code: 00 00 00 75 64 48 83 c4 10<4>[ 48.092825] FS: 00007fb4098bc580(0000) GS:ffff91233ac00000(0000) knlGS:0000000000000000 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 e0 59 2b 8a e8 3e 96 fd ff <4>[ 48.108415] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 48 c7 c7 08 5a 2b 8a b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8<4>[ 48.121388] CR2: 00007fb4096c5000 CR3: 00000001035d4006 CR4: 00000000003706f0 25 96 fd ff 48 89 ee 48 c7 c7 30 5a 2b # [ 40.478117] RSP: 0<4>[ 48.135851] Call Trace: 018:ffffb590c2467e48 EFLAGS: 00010246 # [ 40.484242] RAX: 000<4>[ 48.145149] __refcount_sub_and_test.constprop.0+0x3c/0x50 00000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 # [ <4>[ 48.157759] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b 40.492502] RDX: 0000000000000000 RSI: ffff91233ac9bf70 RDI: fff<4>[ 48.170521] direct_entry.cold+0x2c/0x38 fffff8a2b5a08 # [ 40.500763] RBP: 00007f95f427d000 R08: 00000<4>[ 48.181401] full_proxy_write+0x53/0x80 00000000000 R09: 0000000000000000 # [ 40.509014] R10: 0000000<4>[ 48.192214] vfs_write+0xe7/0x3a0 0ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 # [ 40.<4>[ 48.202421] ksys_write+0x68/0xf0 517275] R13: ffffb590c2467f10 R14: ffffb590c2467f10 R15: ffff912<4>[ 48.212644] do_syscall_64+0x30/0x40 2c33ad000 # [ 40.525536] FS: 00007f95f424e580(0000) GS:ffff9<4>[ 48.223131] entry_SYSCALL_64_after_hwframe+0x61/0xc6 1233ac80000(0000) knlGS:0000000000000000 # [ 40.534867] CS: <4>[ 48.235282] RIP: 0033:0x7fb4097d2833 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 40.541574] C<4>[ 48.245783] 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 R2: 00007f95f427d000 CR3: 0000000103864005 CR4: 00000000003706e0<4>[ 48.273311] RSP: 002b:00007ffc0da801c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 40.549836] Call Trace: # [ 40.552857] direct_entry.c<4>[ 48.288273] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fb4097d2833 old+0x2c/0x38 # [ 40.557528] full_proxy_write+0x53/0x80 # [<4>[ 48.302756] RDX: 000000000000001f RSI: 00007fb4096c5000 RDI: 0000000000000001 40.568310] vfs_write+0xe7/0x3a0 # [ 40.572302] ksys_writ<4>[ 48.317261] RBP: 00007fb4096c5000 R08: 00007fb4096c4010 R09: 0000000000000000 e+0x68/0xf0 # [ 40.582505] do_syscall_64+0x30/0x40 # [ 40<4>[ 48.331732] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 .586786] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 40.598<4>[ 48.346251] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 930] RIP: 0033:0x7f95f4164833 # [ 40.603210] Code: 8b 15 61 2<4>[ 48.360758] irq event stamp: 0 6 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b<4>[ 48.370674] hardirqs last enabled at (0): [<0000000000000000>] 0x0 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f<4>[ 48.384175] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 4<4>[ 48.399862] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 0.624486] RSP: 002b:00007ffe1cd91e28 EFLAGS: 00000246 ORIG_RAX: <4>[ 48.415521] softirqs last disabled at (0): [<0000000000000000>] 0x0 0000000000000001 # [ 40.633234] RAX: ffffffffffffffda RBX: 00<4>[ 48.429025] ---[ end trace 87e3e0b4378e0878 ]--- 00000000000011 RCX: 00007f95f4164833 # [ 40.641494] RDX: 0000<6>[ 48.440718] lkdtm: Negative detected: saturated 000000000011 RSI: 00007f95f4057000 RDI: 0000000000000001 # [ 40.649754] RBP: 00007f95f4057000 R08: 00007f95f4056010 R09: 0000000000000000 # [ 40.658016] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 40.666300] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 40.674565] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 40.707499] CR2: 00007f95f427d000 # [ 40.711488] ---[ end trace 87e3e0b4378e086c ]--- # [ 40.716935] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 40.721603] Code: 89 ff e8 de 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 60 7d 92 02 # [ 40.742880] RSP: 0018:ffffb590c1327e60 EFLAGS: 00010286 # [ 40.749005] RAX: ffffffff890e48f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 40.757266] RDX: 0000000000000000 RSI: ffff91233ac1bf70 RDI: ffffffff89ed1110 # [ 40.765528] RBP: ffffffff8a3100a8 R08: 0000000000000001 R09: 0000000000000001 # [ 40.773790] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 40.782051] R13: ffffb590c1327f10 R14: ffffb590c1327f10 R15: ffff9122c35de000 # [ 40.790315] FS: 00007f95f424e580(0000) GS:ffff91233ac80000(0000) knlGS:0000000000000000 # [ 40.799645<6>[ 48.600002] lkdtm: Performing direct entry REFCOUNT_INC_ZERO <6>[ 48.608103] lkdtm: attempting safe refcount_inc_not_zero() from zero <6>[ 48.615526] lkdtm: Good: zero detected <6>[ 48.620047] lkdtm: Correctly stayed at zero <6>[ 48.625040] lkdtm: attempting bad refcount_inc() from zero <4>[ 48.631474] ------------[ cut here ]------------ <4>[ 48.636929] refcount_t: addition on 0; use-after-free. <4>[ 48.642978] WARNING: CPU: 3 PID: 2237 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 <4>[ 48.652705] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 40.80<4>[ 48.679468] CPU: 3 PID: 2237 Comm: cat Tainted: G D W 5.10.166-cip25 #1 <4>[ 48.694620] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 48.701720] RIP: 0010:refcount_warn_saturate+0x74/0x110 <4>[ 48.707850] Code: 01 01 e8 91 b4 95 00 0f 0b c3 cc cc cc cc 80 3d 7f ee 93 01 00 75 cb 48 c7 c7 b8 01 25 8a c6 05 6f ee 93 01 01 e8 6e b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 5e ee 93 01 00 75 a8 48 c7 c7 90 01 25 <4>[ 48.729129] RSP: 0018:ffffb590c2b77e48 EFLAGS: 00010286 <4>[ 48.735305] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 6352] CR2: 00007f95f427d000 CR3: 0000000103864005 CR4: 000000000<4>[ 48.743565] RDX: ffff91233adac660 RSI: ffff91233ad9bf70 RDI: ffff91233ad9bf70 <4>[ 48.758040] RBP: ffffffff8a2b4b59 R08: 0000000000000000 R09: 0000000000000000 <4>[ 48.766311] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 <4>[ 48.774567] R13: ffffb590c2b77f10 R14: ffffb590c2b77f10 R15: ffff9122c3f2e000 <4>[ 48.782832] FS: 00007f591ee42580(0000) GS:ffff91233ad80000(0000) knlGS:0000000000000000 <4>[ 48.792166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 48.798878] CR2: 00007f591ec4b000 CR3: 0000000103886006 CR4: 00000000003706e0 <4>[ 48.807144] Call Trace: <4>[ 48.810168] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 <4>[ 48.815457] direct_entry.cold+0x2c/0x38 03706e0 # ACCESS_USERSPACE: saw 'call trace:': ok ok 37 selfte<4>[ 48.820158] full_proxy_write+0x53/0x80 <4>[ 48.830941] vfs_write+0xe7/0x3a0 <4>[ 48.834966] ksys_write+0x68/0xf0 <4>[ 48.838959] do_syscall_64+0x30/0x40 <4>[ 48.843273] entry_SYSCALL_64_after_hwframe+0x61/0xc6 sts: lkdtm: ACCESS_USERSPACE.sh # selftests: lkdtm: ACCESS_NULL<4>[ 48.849234] RIP: 0033:0x7f591ed58833 <4>[ 48.859749] 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 .sh # Killed # [ 40.916434] lkdtm: Performing direct entry A<4>[ 48.881042] RSP: 002b:00007fffacaea1d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 48.896002] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f591ed58833 CCESS_NULL # [ 40.926310] lkdtm: attempting bad read at 00000<4>[ 48.904272] RDX: 0000000000000012 RSI: 00007f591ec4b000 RDI: 0000000000000001 00000000000 # [ 40.938965] BUG: kernel NULL pointer dereferen<4>[ 48.918753] RBP: 00007f591ec4b000 R08: 00007f591ec4a010 R09: 0000000000000000 <4>[ 48.933235] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 48.941503] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 48.949793] irq event stamp: 0 ce, address: 0000000000000000 # [ 40.947040] #PF: supervisor <4>[ 48.953503] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 48.967008] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 48.976487] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 read access in kernel mode # [ 40.959280] #PF: error_code(0x0<4>[ 48.985934] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 48.999433] ---[ end trace 87e3e0b4378e0879 ]--- <6>[ 49.004882] lkdtm: Zero detected: saturated 000) - not-present page # [ 40.965309] PGD 0 P4D 0 # [ 40.968428] Oops: 0000 [#13] SMP PTI # [ 40.978919] CPU: 2 PID: 1832 Comm: cat Tainted: G D W 5.10.166-cip25 #1 # [ 40.987862] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 40.994965] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 41.006719] Code: e2 95 fd ff be 00 10 00 00 48 89 ef e8 1a 12 3c ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 e0 59 2b 8a e8 bc 95 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 08 5a 2b 8a 48 01 # [ 41.027996] RSP: 0018:ffffb590c24ffe58 EFLAGS: 00010246 # [ 41.034120] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 # [ 41.042381] RDX: 0000000000000000 RSI: ffff91233ad1bf70 RDI: ffff91233ad1bf70 # [ 41.050640] RBP: ffffffff8a2b4ad1 R08: 0000000000000000 R09: 0000000000000000 # [ 41.058899] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 41.067159] R13: ffffb590c24fff10 R14: ffffb590c24fff10 R15: ffff9122c386b000 # [ 41.075420] FS: 00007f6c5a6aa580(0000) GS:ffff91233ad00000(0000) knlGS:0000000000000000 # [ 41.084750] CS: 0010 DS: 0000 ES:<6>[ 49.121231] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO 0000 CR0: 0000000080050033 # [ 41.091457] CR2: 0000000000000<6>[ 49.128374] lkdtm: attempting safe refcount_add_not_zero() from zero 000 CR3: 000000010557a002 CR4: 00000000003706e0 # [ 41.099718<6>[ 49.141984] lkdtm: Good: zero detected <6>[ 49.152674] lkdtm: Correctly stayed at zero ] Call Trace: # [ 41.102739] direct_entry.cold+0x2c/0x38 # <6>[ 49.157640] lkdtm: attempting bad refcount_add() from zero <4>[ 49.170273] ------------[ cut here ]------------ [ 41.107409] full_proxy_write+0x53/0x80 # [ 41.111982] vf<4>[ 49.175746] refcount_t: addition on 0; use-after-free. s_write+0xe7/0x3a0 # [ 41.115971] ksys_write+0x68/0xf0 # [ <4>[ 49.188026] WARNING: CPU: 1 PID: 2269 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 41.119961] do_syscall_64+0x30/0x40 # [ 41.124241] entry_S<4>[ 49.203932] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify YSCALL_64_after_hwframe+0x61/0xc6 # [ 41.130164] RIP: 0033:0x<4>[ 49.236870] CPU: 1 PID: 2269 Comm: cat Tainted: G D W 5.10.166-cip25 #1 7f6c5a5c0833 # [ 41.134435] Code: 8b 15 61 26 0e 00 f7 d8 64 <4>[ 49.252060] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 0<4>[ 49.265375] RIP: 0010:refcount_warn_saturate+0x74/0x110 0 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 <4>[ 49.277699] Code: 01 01 e8 91 b4 95 00 0f 0b c3 cc cc cc cc 80 3d 7f ee 93 01 00 75 cb 48 c7 c7 b8 01 25 8a c6 05 6f ee 93 01 01 e8 6e b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 5e ee 93 01 00 75 a8 48 c7 c7 90 01 25 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 41.155711] RSP: 00<4>[ 49.305197] RSP: 0018:ffffb590c2c0fe48 EFLAGS: 00010286 <4>[ 49.317544] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 2b:00007ffef148cec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 49.325814] RDX: ffff91233acac660 RSI: ffff91233ac9bf70 RDI: ffff91233ac9bf70 <4>[ 49.340308] RBP: ffffffff8a2b4b6b R08: 0000000000000000 R09: 0000000000000000 # [ 41.164460] RAX: ffffffffffffffda RBX: 000000000000000c RC<4>[ 49.348575] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 <4>[ 49.363051] R13: ffffb590c2c0ff10 R14: ffffb590c2c0ff10 R15: ffff9122c2678000 X: 00007f6c5a5c0833 # [ 41.172721] RDX: 000000000000000c RSI:<4>[ 49.371320] FS: 00007f6e0e768580(0000) GS:ffff91233ac80000(0000) knlGS:0000000000000000 <4>[ 49.386863] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 00007f6c5a4b3000 RDI: 0000000000000001 # [ 41.180982] RBP: 0<4>[ 49.393576] CR2: 00007f6e0e571000 CR3: 0000000103254005 CR4: 00000000003706e0 <4>[ 49.408054] Call Trace: 0007f6c5a4b3000 R08: 00007f6c5a4b2010 R09: 0000000000000000 # [<4>[ 49.411079] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 41.189242] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0<4>[ 49.422543] direct_entry.cold+0x2c/0x38 000000000000001 # [ 41.197503] R13: 0000000000000001 R14: 000<4>[ 49.433431] full_proxy_write+0x53/0x80 0000000020000 R15: 0000000000020000 # [ 41.205766] Modules li<4>[ 49.444224] vfs_write+0xe7/0x3a0 nked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core ind<4>[ 49.454434] ksys_write+0x68/0xf0 ustrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs <4>[ 49.464643] do_syscall_64+0x30/0x40 cros_ec_debugfs cros_ec_sensorhub cros_ec_lightbar cros_ec_chard<4>[ 49.475147] entry_SYSCALL_64_after_hwframe+0x61/0xc6 ev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 41.<4>[ 49.487309] RIP: 0033:0x7f6e0e67e833 <4>[ 49.497807] 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 232518] CR2: 0000000000000000 # [ 41.242721] ---[ end trace 8<4>[ 49.519092] RSP: 002b:00007ffef77e7518 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 49.534053] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f6e0e67e833 7e3e0b4378e086d ]--- # [ 41.248166] RIP: 0010:lkdtm_BUG+0x5/0<4>[ 49.542320] RDX: 0000000000000012 RSI: 00007f6e0e571000 RDI: 0000000000000001 x10 # [ 41.252825] Code: 89 ff e8 de 62 a3 ff 48 c7 c0 ea ff <4>[ 49.556795] RBP: 00007f6e0e571000 R08: 00007f6e0e570010 R09: 0000000000000000 <4>[ 49.571277] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff f<4>[ 49.579566] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 f ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f <4>[ 49.594064] irq event stamp: 0 1f 44 00 00 83 05 60 7d 92 02 # [ 41.274100] RSP: 0018:ffffb5<4>[ 49.603986] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 49.617497] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 90c1327e60 EFLAGS: 00010286 <4>[ 49.626954] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 41.280226] RAX: ffffffff890e48f0 RBX: 0000000000000001 RCX<4>[ 49.639197] softirqs last disabled at (0): [<0000000000000000>] 0x0 : 0000000000000000 <4>[ 49.652707] ---[ end trace 87e3e0b4378e087a ]--- # [ 41.288487] RDX: 0000000000000000 RSI: ffff91233ac1bf70 RDI<6>[ 49.660099] lkdtm: Zero detected: saturated : ffffffff89ed1110 # [ 41.296747] RBP: ffffffff8a3100a8 R08: 0000000000000001 R09: 0000000000000001 # [ 41.305009] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 41.313270] R13: ffffb590c1327f10 R14: ffffb590c1327f10 R15: ffff9122c35de000 # [ 41.321533] FS: 00007f6c5a6aa580(0000) GS:ffff91233ad00000(0000) knlGS:0000000000000000 # [ 41.330863] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 41.337569] CR2: 0000000000000000 CR3: 000000010557a002 CR4: 00000000003706e0 # [ 41.345831] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 41.356033] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1832, name: cat # [ 41.364779] INFO: lockdep is turned off. # [ 41.369447] irq event stamp: 0 # [ 41.373143] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 41.380434] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 41.389862] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 41.399302] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 41.406592] CPU: 2 PID: 1832 Comm: cat Tainted: G D W 5.10.166-cip25 #1 # [ 4<6>[ 49.786414] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED 1.415533] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <6>[ 49.798330] lkdtm: attempting bad refcount_inc() from saturated # [ 41.422628] Call Trace: # [ 41.425645] dump_stack+0x77<4>[ 49.811426] ------------[ cut here ]------------ /0x9b # [ 41.429627] ___might_sleep.cold+0xa6/0xb6 # [ 41<4>[ 49.823061] refcount_t: saturated; leaking memory. .434491] exit_signals+0x1c/0x2e0 # [ 41.438761] do_exit+0xc<4>[ 49.834995] WARNING: CPU: 0 PID: 2304 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 2/0xaf0 # [ 41.442556] ? ksys_write+0x68/0xf0 # [ 41.4467<4>[ 49.850871] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 31] make_task_dead+0x2f/0x30 # [ 41.451107] rewind_stack_an<4>[ 49.883869] CPU: 0 PID: 2304 Comm: cat Tainted: G D W 5.10.166-cip25 #1 d_make_dead+0x17/0x20 # [ 41.456649] RIP: 0033:0x7f6c5a5c0833<4>[ 49.898992] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 41.460928] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 <4>[ 49.912423] RIP: 0010:refcount_warn_saturate+0x51/0x110 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 1<4>[ 49.924734] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d a3 ee 93 01 00 75 ee 48 c7 c7 90 01 25 8a c6 05 93 ee 93 01 01 e8 91 b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 7f ee 93 01 00 75 cb 48 c7 c7 b8 01 25 4 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 <4>[ 49.952187] RSP: 0018:ffffb590c2c7fe48 EFLAGS: 00010286 48 83 ec 28 48 89 54 24 18 # [ 41.482199] RSP: 002b:00007ffef<4>[ 49.964534] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 148cec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 41.49<4>[ 49.979037] RDX: ffff91233ac2c660 RSI: ffff91233ac1bf70 RDI: ffff91233ac1bf70 0946] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f6c5<4>[ 49.993535] RBP: ffffffff8a2b4b7d R08: 0000000000000000 R09: 0000000000000000 a5c0833 # [ 41.499207] RDX: 000000000000000c RSI: 00007f6c5a4<4>[ 50.008090] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 b3000 RDI: 0000000000000001 # [ 41.507469] RBP: 00007f6c5a4b3<4>[ 50.022464] R13: ffffb590c2c7ff10 R14: ffffb590c2c7ff10 R15: ffff9122c3523000 000 R08: 00007f6c5a4b2010 R09: 0000000000000000 # [ 41.515731<4>[ 50.036928] FS: 00007fc8f8924580(0000) GS:ffff91233ac00000(0000) knlGS:0000000000000000 ] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000<4>[ 50.052507] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 001 # [ 41.523992] R13: 0000000000000001 R14: 000000000002000<4>[ 50.065427] CR2: 00007fc8f872d000 CR3: 000000010313a001 CR4: 00000000003706f0 0 R15: 0000000000020000 # ACCESS_NULL: saw 'call trace:': ok o<4>[ 50.079896] Call Trace: k 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE<4>[ 50.089160] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 _RO.sh # Killed # [ 41.633833] lkdtm: Performing direct entr<4>[ 50.101130] direct_entry.cold+0x2c/0x38 y WRITE_RO # [ 41.643715] lkdtm: attempting bad rodata write <4>[ 50.112018] full_proxy_write+0x53/0x80 at ffffffff89ed1590 # [ 41.657141] BUG: unable to handle page<4>[ 50.122817] vfs_write+0xe7/0x3a0 fault for address: ffffffff89ed1590 # [ 41.671299] #PF: supe<4>[ 50.133046] ksys_write+0x68/0xf0 rvisor write access in kernel mode # [ 41.677424] #PF: error_<4>[ 50.143256] do_syscall_64+0x30/0x40 code(0x0003) - permissions violation # [ 41.683939] PGD 3b229<4>[ 50.153767] entry_SYSCALL_64_after_hwframe+0x61/0xc6 067 P4D 3b229067 PUD 3b22a063 PMD 800000003ac000e1 # [ 41.69<4>[ 50.165937] RIP: 0033:0x7fc8f883a833 1719] Oops: 0003 [#14] SMP PTI # [ 41.702215] CPU: 1 PID: 186<4>[ 50.176439] 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 7 Comm: cat Tainted: G D W 5.10.166-cip25 #1 # [ <4>[ 50.203940] RSP: 002b:00007ffc8eca5b98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 41.711158] Hardware name: Google Rammus/Rammus, BIOS 09/04/202<4>[ 50.218896] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fc8f883a833 0 # [ 41.724474] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 41<4>[ 50.233419] RDX: 0000000000000017 RSI: 00007fc8f872d000 RDI: 0000000000000001 .729727] Code: 00 48 c7 c7 c0 58 2b 8a 48 c7 c6 90 15 ed 89 e8 6<4>[ 50.247887] RBP: 00007fc8f872d000 R08: 00007fc8f872c010 R09: 0000000000000000 6 98 fd ff 48 8b 05 c4 ab 78 00 ba 34 12 cd ab 48 c7 c7 f0 58 2b<4>[ 50.262407] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 8a 48 31 d0 <48> 89 05 ae ab 78 00 e9 44 98 fd ff 0f 1f 44 00 0<4>[ 50.276853] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0 48 8b 05 3d a9 # [ 41.757218] RSP: 0018:ffffb590c253fe60 EF<4>[ 50.291399] irq event stamp: 0 LAGS: 00010202 # [ 41.763354] RAX: 000000000198b861 RBX: 0000<4>[ 50.301322] hardirqs last enabled at (0): [<0000000000000000>] 0x0 000000000028 RCX: 0000000000000000 # [ 41.771618] RDX: 000000<4>[ 50.314822] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 00abcd1234 RSI: ffff91233ac9bf70 RDI: ffffffff8a2b58f0 # [ 41<4>[ 50.330538] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 .779878] RBP: ffffffff8a2b4add R08: 0000000000000000 R09: 000000<4>[ 50.346172] softirqs last disabled at (0): [<0000000000000000>] 0x0 0000000000 # [ 41.788139] R10: 00000000ffffe000 R11: 3fffffff<4>[ 50.359715] ---[ end trace 87e3e0b4378e087b ]--- ffffffff R12: 0000000000000009 # [ 41.796401] R13: ffffb590c2<6>[ 50.371413] lkdtm: Saturation detected: still saturated 53ff10 R14: ffffb590c253ff10 R15: ffff9122c3009000 # [ 41.804664] FS: 00007fbc151c4580(0000) GS:ffff91233ac80000(0000) knlGS:0000000000000000 # [ 41.813986] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 41.820693] CR2: ffffffff89ed1590 CR3: 0000000103bc0003 CR4: 00000000003706e0 # [ 41.828954] Call Trace: # [ 41.831973] direct_entry.cold+0x2c/0x38 # [ 41.836646] full_proxy_write+0x53/0x80 # [ 41.847431] vfs_write+0xe7/0x3a0 # [ 41.851421] ksys_write+0x68/0xf0 # [ 41.861626] do_syscall_64+0x30/0x40 # [ 41.865908] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 41.871841] RIP: 0033:0x7fbc150da833 # [ 41.876122] 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 # [ 41.897398] RSP: 002b:00007fff97e250e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 41.906146] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fbc150da833 # [ 41.914405] RDX: 0000000000000009 RSI: 00007fbc14fcd000 RDI: 0000000000000001 # [ 41.922665] RBP: 00007fbc14fcd000 R08: 00007fbc14fcc010 R09: 0000000000000000 # [ 41.930928] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 41.939189] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 41.947455] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_e<6>[ 50.530830] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED <6>[ 50.540044] lkdtm: attempting bad refcount_dec() from saturated <4>[ 50.546984] ------------[ cut here ]------------ c_debugfs cros_ec_sensorhub cros_ec_lightbar cros_ec_chardev x86<4>[ 50.552467] refcount_t: decrement hit 0; leaking memory. <4>[ 50.564934] WARNING: CPU: 3 PID: 2339 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 _pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 41.980390<4>[ 50.574665] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify <4>[ 50.607620] CPU: 3 PID: 2339 Comm: cat Tainted: G D W 5.10.166-cip25 #1 ] CR2: ffffffff89ed1590 # [ 41.984371] ---[ end trace 87e3e0b<4>[ 50.616579] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 50.629885] RIP: 0010:refcount_warn_saturate+0xfb/0x110 <4>[ 50.636013] Code: 40 02 25 8a c6 05 ff ed 93 01 01 e8 01 b4 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 10 02 25 8a c6 05 e6 ed 93 01 01 e8 e7 b3 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 4378e086e ]--- # [ 41.989818] RIP: 0010:lkdtm_BUG+0x5/0x10 #<4>[ 50.657304] RSP: 0018:ffffb590c2d17e48 EFLAGS: 00010286 <4>[ 50.669650] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 [ 41.994488] Code: 89 ff e8 de 62 a3 ff 48 c7 c0 ea ff ff ff <4>[ 50.677915] RDX: ffff91233adac660 RSI: ffff91233ad9bf70 RDI: ffff91233ad9bf70 <4>[ 50.692398] RBP: ffffffff8a2b4b94 R08: 0000000000000000 R09: 0000000000000000 <4>[ 50.700695] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 <4>[ 50.708961] R13: ffffb590c2d17f10 R14: ffffb590c2d17f10 R15: ffff9122c56ef000 <4>[ 50.717228] FS: 00007f1abc42b580(0000) GS:ffff91233ad80000(0000) knlGS:0000000000000000 <4>[ 50.726564] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 50.733292] CR2: 00007f1abc234000 CR3: 00000001013e6006 CR4: 00000000003706e0 eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff e<4>[ 50.741569] Call Trace: <4>[ 50.750803] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f <4>[ 50.756578] direct_entry.cold+0x2c/0x38 <4>[ 50.761299] full_proxy_write+0x53/0x80 b c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 <4>[ 50.765887] vfs_write+0xe7/0x3a0 <4>[ 50.776085] ksys_write+0x68/0xf0 <4>[ 50.780081] do_syscall_64+0x30/0x40 <4>[ 50.784396] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 50.790348] RIP: 0033:0x7f1abc341833 <4>[ 50.794664] 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 <4>[ 50.815945] RSP: 002b:00007ffe504c7e78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 50.824719] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f1abc341833 <4>[ 50.832984] RDX: 0000000000000017 RSI: 00007f1abc234000 RDI: 0000000000000001 <4>[ 50.841249] RBP: 00007f1abc234000 R08: 00007f1abc233010 R09: 0000000000000000 <4>[ 50.849517] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 50.857783] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 50.866054] irq event stamp: 0 <4>[ 50.869787] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 50.877086] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 50.886548] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 50.895979] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 50.903273] ---[ end trace 87e3e0b4378e087c ]--- <6>[ 50.908738] lkdtm: Saturation detected: still saturated 00 00 83 05 60 7d 92 02 # [ 42.015765] RSP: 0018:ffffb590c1327e60 EFLAGS: 00010286 # [ 42.021889] RAX: ffffffff890e48f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 42.030151] RDX: 0000000000000000 RSI: ffff91233ac1bf70 RDI: ffffffff89ed1110 # [ 42.038413] RBP: ffffffff8a3100a8 R08: 0000000000000001 R09: 0000000000000001 # [ 42.046675] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 42.054937] R13: ffffb590c1327f10 R14: ffffb590c1327f10 R15: ffff9122c35de000 # [ 42.063199] FS: 00007fbc151c4580(0000) GS:ffff91233ac80000(0000) knlGS:0000000000000000 # [ 42.072530] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 42.079238] CR2: ffffffff89ed1590 CR3: 0000000103bc0003 CR4: 00000000003706e0 # WRITE_RO: saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # Killed # [ 42.210563] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 42.218621] lkdtm: attempting bad ro_after_init write at ffffffff8a331330 # [ 42.232719] BUG: unable to handle page fault for address: ffffffff8a331330 # [ 42.246896] #PF: supervisor write access in kernel mode # [ 42.253020] #PF: error_code(0x0003) - permissions violation # [ 42.259531] PGD 3b229067 P4D 3b229067<6>[ 51.035870] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED PUD 3b22a063 PMD 104d5d063 PTE 800000003b131061 # [ 42.26857<6>[ 51.046469] lkdtm: attempting bad refcount_dec() from saturated 4] Oops: 0003 [#15] SMP PTI # [ 42.279068] CPU: 1 PID: 1902 C<4>[ 51.059573] ------------[ cut here ]------------ omm: cat Tainted: G D W 5.10.166-cip25 #1 # [ 42<4>[ 51.071232] refcount_t: saturated; leaking memory. .288010] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 51.083120] WARNING: CPU: 1 PID: 2374 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 42.295097] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a <4>[ 51.099029] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 42.301417] Code: 59 2b 8a e9 18 98 fd ff 48 c7 c7 48 59 2b<4>[ 51.131993] CPU: 1 PID: 2374 Comm: cat Tainted: G D W 5.10.166-cip25 #1 8a e8 0c 98 fd ff 48 8b 05 0a a9 be 00 ba 34 12 cd ab 48 c7 c7 <4>[ 51.147130] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 f0 58 2b 8a 48 31 d0 <48> 89 05 f4 a8 be 00 e9 ea 97 fd ff 0f 1f<4>[ 51.160448] RIP: 0010:refcount_warn_saturate+0x51/0x110 44 00 00 41 54 48 c7 c7 # [ 42.328900] RSP: 0018:ffffb590c25<4>[ 51.172795] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d a3 ee 93 01 00 75 ee 48 c7 c7 90 01 25 8a c6 05 93 ee 93 01 01 e8 91 b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 7f ee 93 01 00 75 cb 48 c7 c7 b8 01 25 dfe60 EFLAGS: 00010202 # [ 42.335025] RAX: 00000000fe67479e R<4>[ 51.200303] RSP: 0018:ffffb590c2dafe48 EFLAGS: 00010286 BX: 0000000000000029 RCX: 0000000000000000 # [ 42.343277] RDX<4>[ 51.212649] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 <4>[ 51.227133] RDX: ffff91233acac660 RSI: ffff91233ac9bf70 RDI: ffff91233ac9bf70 : 00000000abcd1234 RSI: ffff91233ac9bf70 RDI: ffffffff8a2b58f0 <4>[ 51.235400] RBP: ffffffff8a2b4bab R08: 0000000000000000 R09: 0000000000000000 <4>[ 51.249876] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 42.351562] RBP: ffffffff8a2b4ae6 R08: 0000000000000000 R09<4>[ 51.258143] R13: ffffb590c2daff10 R14: ffffb590c2daff10 R15: ffff9122c4ebc000 : 0000000000000000 # [ 42.366035] R10: 00000000ffffe000 R11: <4>[ 51.272622] FS: 00007eff7b684580(0000) GS:ffff91233ac80000(0000) knlGS:0000000000000000 3fffffffffffffff R12: 0000000000000014 # [ 42.374300] R13: ff<4>[ 51.288173] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 51.301104] CR2: 00007eff7b48d000 CR3: 000000010352e003 CR4: 00000000003706e0 ffb590c25dff10 R14: ffffb590c25dff10 R15: ffff9122c5550000 # [ <4>[ 51.309370] Call Trace: 42.382561] FS: 00007f2083810580(0000) GS:ffff91233ac80000(000<4>[ 51.318604] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 0) knlGS:0000000000000000 # [ 42.391891] CS: 0010 DS: 0000 E<4>[ 51.330561] direct_entry.cold+0x2c/0x38 S: 0000 CR0: 0000000080050033 # [ 42.398596] CR2: ffffffff8a3<4>[ 51.341451] full_proxy_write+0x53/0x80 31330 CR3: 0000000105760005 CR4: 00000000003706e0 # [ 42.4068<4>[ 51.352243] vfs_write+0xe7/0x3a0 58] Call Trace: # [ 42.409877] direct_entry.cold+0x2c/0x38 <4>[ 51.362455] ksys_write+0x68/0xf0 # [ 42.414551] full_proxy_write+0x53/0x80 # [ 42.425349] <4>[ 51.372664] do_syscall_64+0x30/0x40 vfs_write+0xe7/0x3a0 # [ 42.429357] ksys_write+0x68/0xf0 # <4>[ 51.383164] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 42.433354] do_syscall_64+0x30/0x40 # [ 42.437635] entry<4>[ 51.395316] RIP: 0033:0x7eff7b59a833 _SYSCALL_64_after_hwframe+0x61/0xc6 # [ 42.449779] RIP: 0033:<4>[ 51.405816] 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 0x7f2083726833 # [ 42.454057] Code: 8b 15 61 26 0e 00 f7 d8 6<4>[ 51.433315] RSP: 002b:00007ffdd96c6508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 4 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00<4>[ 51.448286] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007eff7b59a833 <4>[ 51.462768] RDX: 0000000000000017 RSI: 00007eff7b48d000 RDI: 0000000000000001 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c<4>[ 51.471036] RBP: 00007eff7b48d000 R08: 00007eff7b48c010 R09: 0000000000000000 <4>[ 51.485513] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 42.475350] RSP: <4>[ 51.493779] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 002b:00007ffddaa35b28 EFLAGS: 00000246 ORIG_RAX: 000000000000000<4>[ 51.508260] irq event stamp: 0 1 # [ 42.484087] RAX: ffffffffffffffda RBX: 0000000000000014 <4>[ 51.518174] hardirqs last enabled at (0): [<0000000000000000>] 0x0 RCX: 00007f2083726833 # [ 42.492353] RDX: 0000000000000014 RS<4>[ 51.531687] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 I: 00007f2083619000 RDI: 0000000000000001 # [ 42.500613] RBP:<4>[ 51.547336] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 51.562985] softirqs last disabled at (0): [<0000000000000000>] 0x0 00007f2083619000 R08: 00007f2083618010 R09: 0000000000000000 #<4>[ 51.570282] ---[ end trace 87e3e0b4378e087d ]--- [ 42.508874] R10: fffffffffffffbc5 R11: 0000000000000246 R12:<6>[ 51.581944] lkdtm: Saturation detected: still saturated 0000000000000001 # [ 42.517135] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 42.525391] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 42.558320] CR2: ffffffff8a331330 # [ 42.562300] ---[ end trace 87e3e0b4378e086f ]--- # [ 42.567745] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 42.572416] Code: 89 ff e8 de 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 60 7d 92 02 # [ 42.593684] RSP: 0018:ffffb590c1327e60 EFLAGS: 00010286 # [ 42.599809] RAX: ffffffff890e48f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 42.608070] RDX: 0000000000000000 RSI: ffff91233ac1bf70 RDI: ffffffff89ed1110 # [ 42.616345] RBP: ffffffff8a3100a8 R08: 0000000000000001 R09: 0000000000000001 # [ 42.624614] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 42.639087] R13: ffffb590c1327f10 R14: ffffb590c1327f10 R15: ffff9122c35de000 # [ 42.647353] FS: 00007f2083810580(0000) GS:ffff91233ac80<6>[ 51.716500] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED 000(0000) knlGS:0000000000000000 # [ 42.656683] CS: 0010 DS:<6>[ 51.726621] lkdtm: attempting bad refcount_inc_not_zero() from saturated 0000 ES: 0000 CR0: 0000000080050033 # [ 42.663392] CR2: ffff<4>[ 51.740672] ------------[ cut here ]------------ ffff8a331330 CR3: 0000000105760005 CR4: 00000000003706e0 # [ <4>[ 51.752359] refcount_t: saturated; leaking memory. 42.671644] BUG: sleeping function called from invalid context at<4>[ 51.764216] WARNING: CPU: 0 PID: 2406 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 include/linux/percpu-rwsem.h:49 # [ 42.681847] in_atomic(): <4>[ 51.780181] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0, irqs_disabled(): 1, non_block: 0, pid: 1902, name: cat # [ <4>[ 51.813076] CPU: 0 PID: 2406 Comm: cat Tainted: G D W 5.10.166-cip25 #1 42.690593] INFO: lockdep is turned off. # [ 42.695259] irq e<4>[ 51.828339] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 vent stamp: 0 # [ 42.698957] hardirqs last enabled at (0): [<4>[ 51.841701] RIP: 0010:refcount_warn_saturate+0x97/0x110 <0000000000000000>] 0x0 # [ 42.706249] hardirqs last disabled<4>[ 51.853997] Code: 01 01 e8 6e b4 95 00 0f 0b c3 cc cc cc cc 80 3d 5e ee 93 01 00 75 a8 48 c7 c7 90 01 25 8a c6 05 4e ee 93 01 01 e8 4b b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 38 ee 93 01 00 75 85 48 c7 c7 e8 01 25 at (0): [] copy_process+0x664/0x1cb0 # [ 4<4>[ 51.881486] RSP: 0018:ffffb590c2e27e38 EFLAGS: 00010282 2.715677] softirqs last enabled at (0): [] co<4>[ 51.893912] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 py_process+0x664/0x1cb0 # [ 42.725104] softirqs last disabled<4>[ 51.908373] RDX: ffff91233ac2c660 RSI: ffff91233ac1bf70 RDI: ffff91233ac1bf70 at (0): [<0000000000000000>] 0x0 # [ 42.732394] CPU: 1 PID: <4>[ 51.922889] RBP: ffffffff8a2b47d8 R08: 0000000000000000 R09: 0000000000000000 1902 Comm: cat Tainted: G D W 5.10.166-cip25 #1 # <4>[ 51.937406] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 42.741350] Hardware name: Google Rammus/Rammus, BIOS 09/04/<4>[ 51.951919] R13: ffffb590c2e27f10 R14: ffffb590c2e27f10 R15: ffff9122c611f000 2020 # [ 42.748446] Call Trace: # [ 42.751465] dump_stack<4>[ 51.966378] FS: 00007f330b5fb580(0000) GS:ffff91233ac00000(0000) knlGS:0000000000000000 +0x77/0x9b # [ 42.755457] ___might_sleep.cold+0xa6/0xb6 # [<4>[ 51.981946] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 42.760322] exit_signals+0x1c/0x2e0 # [ 42.764604] do_exi<4>[ 51.994936] CR2: 00007f330b404000 CR3: 000000010267c005 CR4: 00000000003706f0 t+0xc2/0xaf0 # [ 42.768399] ? ksys_write+0x68/0xf0 # [ 42<4>[ 52.009401] Call Trace: .772574] make_task_dead+0x2f/0x30 # [ 42.776953] rewind_sta<4>[ 52.018658] __refcount_add_not_zero.constprop.0+0x2a/0x35 ck_and_make_dead+0x17/0x20 # [ 42.782494] RIP: 0033:0x7f20837<4>[ 52.031282] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 26833 # [ 42.786773] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 4<4>[ 52.044121] direct_entry.cold+0x2c/0x38 8 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0<4>[ 52.055000] full_proxy_write+0x53/0x80 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 4<4>[ 52.065808] vfs_write+0xe7/0x3a0 0 00 48 83 ec 28 48 89 54 24 18 # [ 42.808039] RSP: 002b:0000<4>[ 52.075981] ksys_write+0x68/0xf0 7ffddaa35b28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ <4>[ 52.086241] do_syscall_64+0x30/0x40 42.816787] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 0000<4>[ 52.096725] entry_SYSCALL_64_after_hwframe+0x61/0xc6 7f2083726833 # [ 42.825048] RDX: 0000000000000014 RSI: 00007f<4>[ 52.108875] RIP: 0033:0x7f330b511833 2083619000 RDI: 0000000000000001 # [ 42.833310] RBP: 00007f20<4>[ 52.119394] 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 83619000 R08: 00007f2083618010 R09: 0000000000000000 # [ 42.8<4>[ 52.146923] RSP: 002b:00007fff3f355378 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 41572] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 00000000<4>[ 52.161885] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f330b511833 00000001 # [ 42.849833] R13: 0000000000000001 R14: 0000000000<4>[ 52.176389] RDX: 0000000000000020 RSI: 00007f330b404000 RDI: 0000000000000001 020000 R15: 0000000000020000 # WRITE_RO_AFTER_INIT: saw 'call t<4>[ 52.190886] RBP: 00007f330b404000 R08: 00007f330b403010 R09: 0000000000000000 race:': ok ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # se<4>[ 52.205348] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 lftests: lkdtm: WRITE_KERN.sh # Killed # [ 42.973265] lkdtm:<4>[ 52.219868] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 Performing direct entry WRITE_KERN # [ 42.982127] lkdtm: att<4>[ 52.234397] irq event stamp: 0 empting bad 6691974 byte write at ffffffff89746946 # [ 42.996<4>[ 52.244331] hardirqs last enabled at (0): [<0000000000000000>] 0x0 130] BUG: unable to handle page fault for address: ffffffff89746<4>[ 52.257829] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 946 # [ 43.010309] #PF: supervisor write access in kernel mod<4>[ 52.273515] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 e # [ 43.016435] #PF: error_code(0x0003) - permissions violat<4>[ 52.289149] softirqs last disabled at (0): [<0000000000000000>] 0x0 ion # [ 43.029163] PGD 3b229067 P4D 3b229067 PUD 3b22a063 PMD<4>[ 52.302661] ---[ end trace 87e3e0b4378e087e ]--- 3a4000e1 # [ 43.042387] Oops: 0003 [#16] SMP PTI # [ 43.<6>[ 52.314393] lkdtm: Saturation detected: still saturated 046669] CPU: 1 PID: 1937 Comm: cat Tainted: G D W 5.10.166-cip25 #1 # [ 43.055613] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 43.062713] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 43.068161] Code: 53 48 c7 c3 46 69 74 89 49 89 dc 48 89 da 49 81 ec c0 4c 0e 89 4c 89 e6 e8 bf 97 fd ff 48 89 df 4c 89 e1 48 c7 c6 c0 4c 0e 89 a4 48 c7 c7 f0 58 2b 8a e8 a4 97 fd ff 5b 41 5c e9 b7 fe ff ff # [ 43.095654] RSP: 0018:ffffb590c26bfe50 EFLAGS: 00010246 # [ 43.101780] RAX: 000000000000003c RBX: ffffffff89746946 RCX: 0000000000661c86 # [ 43.110042] RDX: 0000000000000000 RSI: ffffffff890e4cc0 RDI: ffffffff89746946 # [ 43.118302] RBP: ffffffff8a2b4afa R08: 0000000000000000 R09: 0000000000000000 # [ 43.126563] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000661c86 # [ 43.134824] R13: ffffb590c26bff10 R14: ffffb590c26bff10 R15: ffff9122c304f000 # [ 43.143086] FS: 00007fd72c21d580(0000) GS:ffff91233ac80000(0000) knlGS:0000000000000000 # [ 43.152415] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 43.159123] CR2: ffffffff89746946 CR3: 0000000103086001 CR4: 00000000003706e0 # [ 43.167383] Call Trace: # [ 43.170405] direct_entry.cold+0x2c/0x38 # [ 43.175076] full_proxy_write+0x53/0x80 # [ 43.185862] vfs_write+0xe7/0x3a0 # [ 43.189854] ksys_write+0x68/0xf0 # [ 43.193845] do_syscall_64+0x30/0x40 # [ <6>[ 52.458173] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED 43.198126] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 43.2<6>[ 52.471484] lkdtm: attempting bad refcount_add_not_zero() from saturated 04058] RIP: 0033:0x7fd72c133833 # [ 43.208329] Code: 8b 15 61<4>[ 52.485475] ------------[ cut here ]------------ 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 <4>[ 52.497133] refcount_t: saturated; leaking memory. 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00<4>[ 52.509046] WARNING: CPU: 0 PID: 2438 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ <4>[ 52.524935] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 43.229607] RSP: 002b:00007ffcf52763e8 EFLAGS: 00000246 ORIG_RAX<4>[ 52.557928] CPU: 0 PID: 2438 Comm: cat Tainted: G D W 5.10.166-cip25 #1 : 0000000000000001 # [ 43.238350] RAX: ffffffffffffffda RBX: <4>[ 52.573043] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 000000000000000b RCX: 00007fd72c133833 # [ 43.246611] RDX: 00<4>[ 52.586467] RIP: 0010:refcount_warn_saturate+0x97/0x110 0000000000000b RSI: 00007fd72c026000 RDI: 0000000000000001 # [ <4>[ 52.598758] Code: 01 01 e8 6e b4 95 00 0f 0b c3 cc cc cc cc 80 3d 5e ee 93 01 00 75 a8 48 c7 c7 90 01 25 8a c6 05 4e ee 93 01 01 e8 4b b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 38 ee 93 01 00 75 85 48 c7 c7 e8 01 25 43.254872] RBP: 00007fd72c026000 R08: 00007fd72c025010 R09: 00<4>[ 52.626240] RSP: 0018:ffffb590c2ea7e38 EFLAGS: 00010282 00000000000000 # [ 43.263135] R10: fffffffffffffbc5 R11: 0000<4>[ 52.638564] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 000000000246 R12: 0000000000000001 # [ 43.271397] R13: 000000<4>[ 52.653050] RDX: ffff91233ac2c660 RSI: ffff91233ac1bf70 RDI: ffff91233ac1bf70 0000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 43<4>[ 52.667561] RBP: ffffffff8a2b47f8 R08: 0000000000000000 R09: 0000000000000000 .279661] Modules linked in: fuse ip_tables cros_ec_sensors cros_<4>[ 52.682029] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 ec_sensors_core industrialio_triggered_buffer kfifo_buf industri<4>[ 52.696510] R13: ffffb590c2ea7f10 R14: ffffb590c2ea7f10 R15: ffff9122c3378000 alio cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub cros_ec_lig<4>[ 52.710996] FS: 00007f8400c6e580(0000) GS:ffff91233ac00000(0000) knlGS:0000000000000000 htbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbp<4>[ 52.726553] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 d_notify # [ 43.312594] CR2: ffffffff89746946 # [ 43.31658<4>[ 52.739511] CR2: 00007f8400a77000 CR3: 00000001035d0001 CR4: 00000000003706f0 2] ---[ end trace 87e3e0b4378e0870 ]--- # [ 43.322029] RIP: 0<4>[ 52.753985] Call Trace: 010:lkdtm_BUG+0x5/0x10 # [ 43.326697] Code: 89 ff e8 de 62 a3<4>[ 52.763227] __refcount_add_not_zero.constprop.0+0x2a/0x35 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc <4>[ 52.775852] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84<4>[ 52.788671] direct_entry.cold+0x2c/0x38 00 00 00 00 00 0f 1f 44 00 00 83 05 60 7d 92 02 # [ 43.34797<4>[ 52.799586] full_proxy_write+0x53/0x80 5] RSP: 0018:ffffb590c1327e60 EFLAGS: 00010286 # [ 43.354100]<4>[ 52.810413] vfs_write+0xe7/0x3a0 RAX: ffffffff890e48f0 RBX: 0000000000000001 RCX: 00000000000000<4>[ 52.820667] ksys_write+0x68/0xf0 00 # [ 43.362361] RDX: 0000000000000000 RSI: ffff91233ac1bf70<4>[ 52.830880] do_syscall_64+0x30/0x40 RDI: ffffffff89ed1110 # [ 43.370622] RBP: ffffffff8a3100a8 R<4>[ 52.841313] entry_SYSCALL_64_after_hwframe+0x61/0xc6 08: 0000000000000001 R09: 0000000000000001 # [ 43.378882] R10<4>[ 52.853452] RIP: 0033:0x7f8400b84833 : 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 52.863947] 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 # [ 43.387143] R13: ffffb590c1327f10 R14: ffffb590c1327f10 R15<4>[ 52.891470] RSP: 002b:00007ffd89b908f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 : ffff9122c35de000 # [ 43.395404] FS: 00007fd72c21d580(0000)<4>[ 52.906407] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f8400b84833 GS:ffff91233ac80000(0000) knlGS:0000000000000000 # [ 43.4047<4>[ 52.920882] RDX: 0000000000000020 RSI: 00007f8400a77000 RDI: 0000000000000001 36] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 43.<4>[ 52.935385] RBP: 00007f8400a77000 R08: 00007f8400a76010 R09: 0000000000000000 411443] CR2: ffffffff89746946 CR3: 0000000103086001 CR4: 0000000<4>[ 52.949885] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 0003706e0 # WRITE_KERN: saw 'call trace:': ok ok 41 selftests:<4>[ 52.964381] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW<4>[ 52.978866] irq event stamp: 0 .sh # [ 43.531423] lkdtm: Performing direct entry REFCOUNT_IN<4>[ 52.988796] hardirqs last enabled at (0): [<0000000000000000>] 0x0 C_OVERFLOW # [ 43.538588] lkdtm: attempting good refcount_inc<4>[ 53.002310] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 () without overflow # [ 43.545788] lkdtm: attempting bad refc<4>[ 53.017965] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 ount_inc() overflow # [ 43.552146] ------------[ cut here ]--<4>[ 53.033629] softirqs last disabled at (0): [<0000000000000000>] 0x0 ---------- # [ 43.557622] refcount_t: saturated; leaking memo<4>[ 53.047147] ---[ end trace 87e3e0b4378e087f ]--- ry. # [ 43.569502] WARNING: CPU: 3 PID: 1972 at lib/refcount.<6>[ 53.058803] lkdtm: Saturation detected: still saturated c:22 refcount_warn_saturate+0x51/0x110 # [ 43.579234] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 43.612168] CPU: 3 PID: 1972 Comm: cat Tainted: G D W 5.10.166-cip25 #1 # [ 43.621146] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 43.628249] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 43.634399] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d a3 ee 93 01 00 75 ee 48 c7 c7 90 01 25 8a c6 05 93 ee 93 01 01 e8 91 b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 7f ee 93 01 00 75 cb 48 c7 c7 b8 01 25 # [ 43.655684] RSP: 0018:ffffb590c2767e48 EFLAGS: 00010286 # [ 43.661846] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 # [ 43.670111] RDX: ffff91233adac660 RSI: ffff91233ad9bf70 RDI: ffff91233ad9bf70 # [ 43.678379] RBP: ffffffff8a2b4b05 R08: 0000000000000000 R09: 0000000000000000 # [ 43.686647] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 43.701129] R13: ffffb590c2767f10 R14: ffffb590c2767f10 R15: ffff9122c61ce000 # [ 43.715609] FS: 00007f8705e24580(00<6>[ 53.191954] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED 00) GS:ffff91233ad80000(0000) knlGS:0000000000000000 # [ 43.7<6>[ 53.203469] lkdtm: attempting bad refcount_dec_and_test() from saturated 31160] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ <4>[ 53.217470] ------------[ cut here ]------------ 43.737871] CR2: 00007f8705c2d000 CR3: 000000010557a004 CR4: 0000<4>[ 53.229160] refcount_t: underflow; use-after-free. 0000003706e0 # [ 43.746138] Call Trace: # [ 43.749160] lk<4>[ 53.241085] WARNING: CPU: 0 PID: 2473 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 dtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 # [ 43.754827] direct_en<4>[ 53.256984] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify try.cold+0x2c/0x38 # [ 43.759522] full_proxy_write+0x53/0x80<4>[ 53.289989] CPU: 0 PID: 2473 Comm: cat Tainted: G D W 5.10.166-cip25 #1 # [ 43.764146] vfs_write+0xe7/0x3a0 # [ 43.768151] ksys<4>[ 53.305122] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 _write+0x68/0xf0 # [ 43.778354] do_syscall_64+0x30/0x40 # [<4>[ 53.318550] RIP: 0010:refcount_warn_saturate+0xba/0x110 43.782638] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 4<4>[ 53.330903] Code: 01 01 e8 4b b4 95 00 0f 0b c3 cc cc cc cc 80 3d 38 ee 93 01 00 75 85 48 c7 c7 e8 01 25 8a c6 05 28 ee 93 01 01 e8 28 b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 13 ee 93 01 00 0f 85 5e ff ff ff 48 c7 3.788572] RIP: 0033:0x7f8705d3a833 # [ 43.792856] Code: 8b 15<4>[ 53.358367] RSP: 0018:ffffb590c2f27e40 EFLAGS: 00010286 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 <4>[ 53.370730] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d<4>[ 53.385240] RDX: ffff91233ac2c660 RSI: ffff91233ac1bf70 RDI: ffff91233ac1bf70 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # <4>[ 53.399834] RBP: ffffffff8a2b4818 R08: 0000000000000000 R09: 0000000000000000 [ 43.814133] RSP: 002b:00007ffef4ce03f8 EFLAGS: 00000246 ORIG_<4>[ 53.414247] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 RAX: 0000000000000001 # [ 43.822884] RAX: ffffffffffffffda RB<4>[ 53.428808] R13: ffffb590c2f27f10 R14: ffffb590c2f27f10 R15: ffff9122c38ed000 X: 0000000000000016 RCX: 00007f8705d3a833 # [ 43.831147] RDX:<4>[ 53.443264] FS: 00007fa239672580(0000) GS:ffff91233ac00000(0000) knlGS:0000000000000000 0000000000000016 RSI: 00007f8705c2d000 RDI: 0000000000000001 #<4>[ 53.458776] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.839412] RBP: 00007f8705c2d000 R08: 00007f8705c2c010 R09:<4>[ 53.471768] CR2: 00007fa23947b000 CR3: 0000000104e76003 CR4: 00000000003706f0 0000000000000000 # [ 43.847677] R10: fffffffffffffbc5 R11: 0<4>[ 53.486257] Call Trace: 000000000000246 R12: 0000000000000001 # [ 43.855941] R13: 000<4>[ 53.495499] __refcount_sub_and_test.constprop.0+0x3c/0x50 0000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ <4>[ 53.508148] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 43.864209] irq event stamp: 0 # [ 43.867934] hardirqs last <4>[ 53.520942] direct_entry.cold+0x2c/0x38 enabled at (0): [<0000000000000000>] 0x0 # [ 43.881439] hardi<4>[ 53.531818] full_proxy_write+0x53/0x80 rqs last disabled at (0): [] copy_process+0x66<4>[ 53.542637] vfs_write+0xe7/0x3a0 4/0x1cb0 # [ 43.890870] softirqs last enabled at (0): [[ 53.552861] ksys_write+0x68/0xf0 ffff88900cb4>] copy_process+0x664/0x1cb0 # [ 43.900307] softi<4>[ 53.563066] do_syscall_64+0x30/0x40 rqs last disabled at (0): [<0000000000000000>] 0x0 # [ 43.913<4>[ 53.573550] entry_SYSCALL_64_after_hwframe+0x61/0xc6 807] ---[ end trace 87e3e0b4378e0871 ]--- # [ 43.919254] lkdt<4>[ 53.585735] RIP: 0033:0x7fa239588833 m: Overflow detected: saturated # REFCOUNT_INC_OVERFLOW: saw 'c<4>[ 53.596224] 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 all trace:': ok ok 42 selftests: lkdtm: REFCOUNT_INC_OVERFLOW.s<4>[ 53.623709] RSP: 002b:00007ffea46293d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 h # selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # [ 44.024904<4>[ 53.638661] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fa239588833 ] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 44<4>[ 53.653139] RDX: 0000000000000020 RSI: 00007fa23947b000 RDI: 0000000000000001 .037337] lkdtm: attempting good refcount_add() without overflow <4>[ 53.667619] RBP: 00007fa23947b000 R08: 00007fa23947a010 R09: 0000000000000000 <4>[ 53.682086] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 44.050766] lkdtm: attempting bad refcount_add() overflow <4>[ 53.690369] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 44.063290] ------------[ cut here ]------------ # [ 44<4>[ 53.704865] irq event stamp: 0 .074937] refcount_t: saturated; leaking memory. # [ 44.086864<4>[ 53.714793] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ] WARNING: CPU: 0 PID: 2004 at lib/refcount.c:22 refcount_warn_s<4>[ 53.728306] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 aturate+0x51/0x110 # [ 44.102763] Modules linked in: fuse ip_<4>[ 53.743960] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 tables cros_ec_sensors cros_ec_sensors_core industrialio_trigger<4>[ 53.759591] softirqs last disabled at (0): [<0000000000000000>] 0x0 ed_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs c<4>[ 53.773146] ---[ end trace 87e3e0b4378e0880 ]--- ros_ec_sensorhub cros_ec_lightbar cros_ec_chardev x86_pkg_temp_t<6>[ 53.784834] lkdtm: Saturation detected: still saturated hermal cros_ec_dev cros_usbpd_notify # [ 44.135716] CPU: 0 PID: 2004 Comm: cat Tainted: G D W 5.10.166-cip25 #1 # [ 44.150866] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 44.164229] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 44.176523] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d a3 ee 93 01 00 75 ee 48 c7 c7 90 01 25 8a c6 05 93 ee 93 01 01 e8 91 b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 7f ee 93 01 00 75 cb 48 c7 c7 b8 01 25 # [ 44.204052] RSP: 0018:ffffb590c27dfe48 EFLAGS: 00010286 # [ 44.216369] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 44.230859] RDX: ffff91233ac2c660 RSI: ffff91233ac1bf70 RDI: ffff91233ac1bf70 # [ 44.245328] RBP: ffffffff8a2b4b1b R08: 0000000000000000 R09: 0000000000000000 # [ 44.259835] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 44.274299] R13: ffffb590c27dff10 R14: ffffb590c27dff10 R15: ffff9122c4d39000 # [ 44.288806] FS: 00007f819c48b580(0000) GS:ffff91233ac00000(0000) knlGS:0000000000000000 # [ 44.304338] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.317325] CR2: 00007f819c294000 CR3: 0000000103206001 CR4: 00000000003706f0 # [ 44.331775] Call Trace: # [ 44.341025] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 44.352869] direct_entry.cold+0x2c/0x38 <6>[ 53.922934] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 44.363770] full_proxy_write+0x53/0x80 # [ 44.374562] <6>[ 53.935670] lkdtm: attempting bad refcount_sub_and_test() from saturated vfs_write+0xe7/0x3a0 # [ 44.384783] ksys_write+0x68/0xf0 # <4>[ 53.949652] ------------[ cut here ]------------ [ 44.395002] do_syscall_64+0x30/0x40 # [ 44.405479] entry<4>[ 53.961332] refcount_t: underflow; use-after-free. _SYSCALL_64_after_hwframe+0x61/0xc6 # [ 44.417630] RIP: 0033:<4>[ 53.973229] WARNING: CPU: 0 PID: 2508 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 0x7f819c3a1833 # [ 44.428112] Code: 8b 15 61 26 0e 00 f7 d8 6<4>[ 53.989144] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 4 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00<4>[ 54.022093] CPU: 0 PID: 2508 Comm: cat Tainted: G D W 5.10.166-cip25 #1 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c<4>[ 54.037314] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 44.455614] RSP: <4>[ 54.050689] RIP: 0010:refcount_warn_saturate+0xba/0x110 002b:00007fff899c30c8 EFLAGS: 00000246 ORIG_RAX: 000000000000000<4>[ 54.063000] Code: 01 01 e8 4b b4 95 00 0f 0b c3 cc cc cc cc 80 3d 38 ee 93 01 00 75 85 48 c7 c7 e8 01 25 8a c6 05 28 ee 93 01 01 e8 28 b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 13 ee 93 01 00 0f 85 5e ff ff ff 48 c7 1 # [ 44.470600] RAX: ffffffffffffffda RBX: 0000000000000016 <4>[ 54.090541] RSP: 0018:ffffb590c2fbfe40 EFLAGS: 00010286 RCX: 00007f819c3a1833 # [ 44.485046] RDX: 0000000000000016 RS<4>[ 54.102860] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 I: 00007f819c294000 RDI: 0000000000000001 # [ 44.499573] RBP:<4>[ 54.117316] RDX: ffff91233ac2c660 RSI: ffff91233ac1bf70 RDI: ffff91233ac1bf70 00007f819c294000 R08: 00007f819c293010 R09: 0000000000000000 #<4>[ 54.131867] RBP: ffffffff8a2b4838 R08: 0000000000000000 R09: 0000000000000000 [ 44.514074] R10: fffffffffffffbc5 R11: 0000000000000246 R12:<4>[ 54.146319] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 0000000000000001 # [ 44.528557] R13: 0000000000000001 R14: 0<4>[ 54.160902] R13: ffffb590c2fbff10 R14: ffffb590c2fbff10 R15: ffff9122c3f4d000 000000000020000 R15: 0000000000020000 # [ 44.543065] irq even<4>[ 54.175354] FS: 00007f166ca97580(0000) GS:ffff91233ac00000(0000) knlGS:0000000000000000 t stamp: 0 # [ 44.552945] hardirqs last enabled at (0): [<00<4>[ 54.190882] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 00000000000000>] 0x0 # [ 44.566496] hardirqs last disabled at<4>[ 54.203877] CR2: 00007f166c8a0000 CR3: 0000000103428004 CR4: 00000000003706f0 (0): [] copy_process+0x664/0x1cb0 # [ 44.5<4>[ 54.218374] Call Trace: 82128] softirqs last enabled at (0): [] copy_<4>[ 54.227649] __refcount_sub_and_test.constprop.0+0x3c/0x50 process+0x664/0x1cb0 # [ 44.597813] softirqs last disabled at<4>[ 54.240290] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 (0): [<0000000000000000>] 0x0 # [ 44.611323] ---[ end trace <4>[ 54.253130] direct_entry.cold+0x2c/0x38 87e3e0b4378e0872 ]--- # [ 44.622978] lkdtm: Overflow detected<4>[ 54.264044] full_proxy_write+0x53/0x80 : saturated # REFCOUNT_ADD_OVERFLOW: saw 'call trace:': ok ok <4>[ 54.274874] vfs_write+0xe7/0x3a0 43 selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # selftests: lkdt<4>[ 54.285065] ksys_write+0x68/0xf0 m: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # [ 44.734575] lkdtm: Pe<4>[ 54.295311] do_syscall_64+0x30/0x40 rforming direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 44.7<4>[ 54.305786] entry_SYSCALL_64_after_hwframe+0x61/0xc6 48369] lkdtm: attempting bad refcount_inc_not_zero() overflow #<4>[ 54.317962] RIP: 0033:0x7f166c9ad833 [ 44.761814] ------------[ cut here ]------------ # [ 44.7<4>[ 54.328440] 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 73462] refcount_t: saturated; leaking memory. # [ 44.785321] <4>[ 54.355944] RSP: 002b:00007ffe9738d2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 WARNING: CPU: 0 PID: 2036 at lib/refcount.c:19 refcount_warn_sat<4>[ 54.370936] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f166c9ad833 urate+0x97/0x110 # [ 44.801302] Modules linked in: fuse ip_ta<4>[ 54.385401] RDX: 0000000000000020 RSI: 00007f166c8a0000 RDI: 0000000000000001 bles cros_ec_sensors cros_ec_sensors_core industrialio_triggered<4>[ 54.399912] RBP: 00007f166c8a0000 R08: 00007f166c89f010 R09: 0000000000000000 _buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cro<4>[ 54.414340] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 s_ec_sensorhub cros_ec_lightbar cros_ec_chardev x86_pkg_temp_the<4>[ 54.428791] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 rmal cros_ec_dev cros_usbpd_notify # [ 44.834203] CPU: 0 PID:<4>[ 54.443318] irq event stamp: 0 2036 Comm: cat Tainted: G D W 5.10.166-cip25 #1 #<4>[ 54.453234] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 44.849363] Hardware name: Google Rammus/Rammus, BIOS 09/04<4>[ 54.466753] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 /2020 # [ 44.862665] RIP: 0010:refcount_warn_saturate+0x97/0x<4>[ 54.482390] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 110 # [ 44.875028] Code: 01 01 e8 6e b4 95 00 0f 0b c3 cc cc <4>[ 54.498049] softirqs last disabled at (0): [<0000000000000000>] 0x0 cc cc 80 3d 5e ee 93 01 00 75 a8 48 c7 c7 90 01 25 8a c6 05 4e e<4>[ 54.511577] ---[ end trace 87e3e0b4378e0881 ]--- e 93 01 01 e8 4b b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 38 ee 93 <6>[ 54.523218] lkdtm: Saturation detected: still saturated 01 00 75 85 48 c7 c7 e8 01 25 # [ 44.902495] RSP: 0018:ffffb590c285fe38 EFLAGS: 00010282 # [ 44.914844] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 44.929306] RDX: ffff91233ac2c660 RSI: ffff91233ac1bf70 RDI: ffff91233ac1bf70 # [ 44.943803] RBP: ffffffff8a2b4758 R08: 0000000000000000 R09: 0000000000000000 # [ 44.958280] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 44.972771] R13: ffffb590c285ff10 R14: ffffb590c285ff10 R15: ffff9122c3528000 # [ 44.987241] FS: 00007f0dd24fd580(0000) GS:ffff91233ac00000(0000) knlGS:0000000000000000 # [ 45.002801] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 45.015713] CR2: 00007f0dd2306000 CR3: 0000000103254002 CR4: 00000000003706f0 # [ 45.030213] Call Trace: # [ 45.039439] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 45.052082] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 45.064794] direct_entry.cold+0x2c/0x38 # [ 45.075692] full_proxy_write+0x53/0x80 # [ 45.086471] vfs_write+0xe7/0x3a0 # [ 45.096695] ksys_write+0x68/0xf0 # [ 45.106887] do_syscall_64+0x30/0x40 # [ 45.117417] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 45.129552] RIP: 0033:0x7f0dd2413833 # [ 45.140062] 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 # [ 45.167546] RSP: 002b:00007fff3747d3a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 45.182518] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f0dd2413833 # [ 45.196986] RDX: 000000000000001f RSI: 00007f0dd2306000 RDI: 0000000000000001 # [ 45.211488] RBP: 00007f0dd2306000 R08: 00007f0dd2305010 R09: 0000000000000000 # [ 45.225950] R10: fffffffffffffbc5 R11: 0000000000000<6>[ 54.715356] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO <6>[ 54.722935] lkdtm: attempting good copy_to_user of correct size <6>[ 54.729856] lkdtm: attempting bad copy_to_user of too large size 246 R12: 0000000000000001 # [ 45.240432] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 45.254905] irq event stamp: 0 # [ 45.264834] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 45.278336] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 45.293995] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 45.309615] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 45.323139] ---[ end trace 87e3e0b4378e0873 ]--- # [ 45.334787] 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 # [ 45.447452] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 45.459904] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 45.473318] ------------[ cut here ]------------ # [ 45.484981] refcount_t: saturated; leaking memory. # [ 45.496852] WARNING: CPU: 1 PID: 2068 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 45.512782] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 45.545746] CPU: 1 PID: 2068 Comm: cat Tainted: G D W 5.10.166-cip25 #1 # [ 45.560881] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 45.574196] RIP: 0010:refc<6>[ 54.888723] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM <6>[ 54.899457] lkdtm: attempting good copy_from_user of correct size <6>[ 54.906587] lkdtm: attempting bad copy_from_user of too large size ount_warn_saturate+0x97/0x110 # [ 45.586539] Code: 01 01 e8 6e b4 95 00 0f 0b c3 cc cc cc cc 80 3d 5e ee 93 01 00 75 a8 48 c7 c7 90 01 25 8a c6 05 4e ee 93 01 01 e8 4b b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 38 ee 93 01 00 75 85 48 c7 c7 e8 01 25 # [ 45.614034] RSP: 0018:ffffb590c28d7e38 EFLAGS: 00010282 # [ 45.626381] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 45.640863] RDX: ffff91233acac660 RSI: ffff91233ac9bf70 RDI: ffff91233ac9bf70 # [ 45.655357] RBP: ffffffff8a2b4778 R08: 0000000000000000 R09: 0000000000000000 # [ 45.669840] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 45.684325] R13: ffffb590c28d7f10 R14: ffffb590c28d7f10 R15: ffff9122c3870000 # [ 45.698808] FS: 00007fdd4b091580(0000) GS:ffff91233ac80000(0000) knlGS:0000000000000000 # [ 45.714360] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 45.727306] CR2: 00007fdd4ae9a000 CR3: 00000001035d0004 CR4: 00000000003706e0 # [ 45.741789] Call Trace: # [ 45.751031] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 45.763666] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 45.776400] direct_entry.cold+0x2c/0x38 # [ 45.787308] full_proxy_w<6>[ 55.026508] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO <6>[ 55.039410] lkdtm: attempting good copy_to_user inside whitelist <6>[ 55.046470] lkdtm: attempting bad copy_to_user outside whitelist rite+0x53/0x80 # [ 45.798100] vfs_write+0xe7/0x3a0 # [ 45.808311] ksys_write+0x68/0xf0 # [ 45.818520] do_syscall_64+0x30/0x40 # [ 45.829019] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 45.841170] RIP: 0033:0x7fdd4afa7833 # [ 45.851671] 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 # [ 45.879169] RSP: 002b:00007ffc45623328 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 45.894136] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fdd4afa7833 # [ 45.908621] RDX: 000000000000001f RSI: 00007fdd4ae9a000 RDI: 0000000000000001 # [ 45.923105] RBP: 00007fdd4ae9a000 R08: 00007fdd4ae99010 R09: 0000000000000000 # [ 45.937585] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 45.952069] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 45.966560] irq event stamp: 0 # [ 45.976474] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 45.989988] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 46.005635] softirqs last enabled <6>[ 55.168173] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM at (0): [] copy_process+0x664/0x1cb0 # [ 46<6>[ 55.179401] lkdtm: attempting good copy_from_user inside whitelist .021284] softirqs last disabled at (0): [<0000000000000000>] 0x0<6>[ 55.192839] lkdtm: attempting bad copy_from_user outside whitelist # [ 46.034797] ---[ end trace 87e3e0b4378e0874 ]--- # [ 46.046466] 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 # [ 46.161236] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 46.170360] lkdtm: attempting good refcount_dec() # [ 46.175938] lkdtm: attempting bad refcount_dec() to zero # [ 46.182168] ------------[ cut here ]------------ # [ 46.193829] refcount_t: decrement hit 0; leaking memory. # [ 46.200067] WARNING: CPU: 3 PID: 2100 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 46.209797] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 46.236561] CPU: 3 PID: 2100 Comm: cat Tainted: G D W 5.10.166-cip25 #1 # [ 46.251712] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 46.258838] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 46.264967] Code: 40 02 25 8a c6 05 ff ed 93 01 01 e8 01 b4 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 10 02 25<6>[ 55.325533] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO 8a c6 05 e6 ed 93 01 01 e8 e7 b3 95 00 <0f> 0b c3 cc cc cc cc 6<6>[ 55.337772] lkdtm: good_stack: ffffb590c332fe20-ffffb590c332fe40 6 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 46.286247] RS<6>[ 55.351011] lkdtm: bad_stack : ffffb590c332fda8-ffffb590c332fdc8 P: 0018:ffffb590c2937e48 EFLAGS: 00010286 # [ 46.292376] RAX:<6>[ 55.364250] lkdtm: attempting good copy_to_user of local stack 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 #<6>[ 55.377299] lkdtm: attempting bad copy_to_user of distant stack [ 46.300639] RDX: ffff91233adac660 RSI: ffff91233ad9bf70 RDI: ffff91233ad9bf70 # [ 46.308904] RBP: ffffffff8a2b4b31 R08: 0000000000000000 R09: 0000000000000000 # [ 46.317167] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 46.325430] R13: ffffb590c2937f10 R14: ffffb590c2937f10 R15: ffff9122c33e9000 # [ 46.333696] FS: 00007f01ee35b580(0000) GS:ffff91233ad80000(0000) knlGS:0000000000000000 # [ 46.343028] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.349739] CR2: 00007f01ee164000 CR3: 0000000103b1a003 CR4: 00000000003706e0 # [ 46.358004] Call Trace: # [ 46.361028] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 46.366316] direct_entry.cold+0x2c/0x38 # [ 46.370995] full_proxy_write+0x53/0x80 # [ 46.375595] vfs_write+0xe7/0x3a0 # [ 46.379587] ksys_write+0x68/0xf0 # [ 46.383580] do_syscall_64+0x30/0x40 # [ 46.387864] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 46.393800] RIP: 0033:0x7f01ee271833 # [ 46.398082] 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 # [ 46.41936<6>[ 55.506146] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM 1] RSP: 002b:00007fff90441688 EFLAGS: 00000246 ORIG_RAX: 0000000<6>[ 55.515916] lkdtm: good_stack: ffffb590c33afe20-ffffb590c33afe40 000000001 # [ 46.428111] RAX: ffffffffffffffda RBX: 000000000<6>[ 55.529166] lkdtm: bad_stack : ffffb590c33afda8-ffffb590c33afdc8 0000012 RCX: 00007f01ee271833 # [ 46.436374] RDX: 00000000000<6>[ 55.542397] lkdtm: attempting good copy_from_user of local stack 00012 RSI: 00007f01ee164000 RDI: 0000000000000001 # [ 46.4446<6>[ 55.555608] lkdtm: attempting bad copy_from_user of distant stack 37] RBP: 00007f01ee164000 R08: 00007f01ee163010 R09: 0000000000000000 # [ 46.452904] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 46.467385] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 46.481871] irq event stamp: 0 # [ 46.485597] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 46.499100] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 46.508529] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 46.517957] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 46.525251] ---[ end trace 87e3e0b4378e0875 ]--- # [ 46.530698] lkdtm: Zero detected: saturated # REFCOUNT_DEC_ZERO: saw 'call trace:': ok ok 46 selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # [ 46.645378] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 46.654648] lkdtm: attempting bad refcount_dec() below zero # [ 46.661194] ------------[ cut here ]------------ # [ 46.666644] refcount_t: decrement hit 0; leaking memory. # [ 46.672922] WARNING: CPU: 3 PID: 2135 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 46.682652] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub cros_ec_<6>[ 55.701511] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND <6>[ 55.712656] lkdtm: good_stack: ffffb590c340fe20-ffffb590c340fe40 lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_u<6>[ 55.719676] lkdtm: bad_stack : ffffb590c340fff8-ffffb590c3410018 <6>[ 55.732913] lkdtm: attempting good copy_to_user of local stack sbpd_notify # [ 46.715584] CPU: 3 PID: 2135 Comm: cat Tainted<6>[ 55.739734] lkdtm: attempting bad copy_to_user of distant stack <4>[ 55.752848] lkdtm: copy_to_user failed, but lacked Oops : G D W 5.10.166-cip25 #1 # [ 46.724553] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 46.731657] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 46.744000] Code: 40 02 25 8a c6 05 ff ed 93 01 01 e8 01 b4 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 10 02 25 8a c6 05 e6 ed 93 01 01 e8 e7 b3 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 46.771486] RSP: 0018:ffffb590c29dfe48 EFLAGS: 00010286 # [ 46.777645] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 46.785911] RDX: ffff91233adac660 RSI: ffff91233ad9bf70 RDI: ffff91233ad9bf70 # [ 46.794173] RBP: ffffffff8a2b4b43 R08: 0000000000000000 R09: 0000000000000000 # [ 46.802438] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 46.810703] R13: ffffb590c29dff10 R14: ffffb590c29dff10 R15: ffff9122c3fd6000 # [ 46.818969] FS: 00007f97828bf580(0000) GS:ffff91233ad80000(0000) knlGS:0000000000000000 # [ 46.828304] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.841231] CR2: 00007f97826c8000 CR3: 0000000103874003 CR4: 00000000003706e0 # [ 46.849495] Call Trace: # [ 46.852518] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 46.858194] direct_entry.cold+0x2c/0x38 # [ 46.862898] full_pr<6>[ 55.880635] lkdtm: Performing direct entry USERCOPY_KERNEL oxy_write+0x53/0x80 # [ 46.867505] vfs_write+0xe7/0x3a0 # [<6>[ 55.889802] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff89ed15b0 46.871528] ksys_write+0x68/0xf0 # [ 46.875547] do_syscal<6>[ 55.904960] lkdtm: attempting bad copy_to_user from kernel text: ffffffff88ae3b10 l_64+0x30/0x40 # [ 46.879861] entry_SYSCALL_64_after_hwframe<3>[ 55.919827] lkdtm: FAIL: survived bad copy_to_user() +0x61/0xc6 # [ 46.885796] RIP: 0033:0x7f97827d5833 # [ 46.890078] 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 # [ 46.911359] RSP: 002b:00007ffff6352348 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 46.920134] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f97827d5833 # [ 46.928397] RDX: 0000000000000016 RSI: 00007f97826c8000 RDI: 0000000000000001 # [ 46.936661] RBP: 00007f97826c8000 R08: 00007f97826c7010 R09: 0000000000000000 # [ 46.944925] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 46.953189] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 46.961459] irq event stamp: 0 # [ 46.965185] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 46.978689] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 46.988119] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 46.997549] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 47.004844] ---[ end trace 87e3e0b4378e0876 ]--- # <6>[ 56.046222] lkdtm: Performing direct entry STACKLEAK_ERASING [ 47.016509] lkdtm: Negative detected: saturated # REFCOUNT_D<6>[ 56.056555] lkdtm: checking unused part of the thread stack (15928 bytes)... <3>[ 56.070944] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) <3>[ 56.079021] lkdtm: FAIL: the thread stack is NOT properly erased <4>[ 56.086024] CPU: 2 PID: 2873 Comm: cat Tainted: G D W 5.10.166-cip25 #1 <4>[ 56.094966] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 56.102061] Call Trace: <4>[ 56.105084] dump_stack+0x77/0x9b <4>[ 56.109075] lkdtm_STACKLEAK_ERASING+0x116/0x144 <4>[ 56.114523] direct_entry.cold+0x2c/0x38 <4>[ 56.119192] full_proxy_write+0x53/0x80 <4>[ 56.123757] vfs_write+0xe7/0x3a0 <4>[ 56.127748] ksys_write+0x68/0xf0 <4>[ 56.131739] do_syscall_64+0x30/0x40 <4>[ 56.136020] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 56.141942] RIP: 0033:0x7f876b437833 <4>[ 56.146222] 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 <4>[ 56.167498] RSP: 002b:00007ffec77145b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 56.176246] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f876b437833 <4>[ 56.184508] RDX: 0000000000000012 RSI: 00007f876b32a000 RDI: 0000000000000001 <4>[ 56.192768] RBP: 00007f876b32a000 R08: 00007f876b329010 R09: 0000000000000000 <4>[ 56.201029] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 56.209291] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 EC_NEGATIVE: saw 'Negative detected: saturated': ok ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # [ 47.140263] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 47.154087] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 47.167694] ------------[ cut here ]------------ # [ 47.179368] refcount_t: underflow; use-after-free. # [ 47.191257] WARNING: CPU: 1 PID: 2170 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 47.207165] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 47.240100] CPU: 1 PID: 2170 Comm: cat Tainted: G D W 5.10.166-cip25 #1 # [ 47.255260] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 47.268580] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 47.280925] Code: 01 01 e8 4b b4 95 00 0f 0b c3 cc cc cc cc 80 3d 38 ee 93 01 00 75 85 48 c7 c7 e8 01 25 8a c6 05 28 ee 93 01 01 e8 28 b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 13 ee 93 01 00 <6>[ 56.333030] lkdtm: Performing direct entry CFI_FORWARD_PROTO <6>[ 56.342317] lkdtm: Calling matched prototype ... 0f 85 5e ff ff ff 48 c7 # [ 47.308441] RSP: 0018:ffffb590c2a6<6>[ 56.347785] lkdtm: Calling mismatched prototype ... fe40 EFLAGS: 00010286 # [ 47.320764] RAX: 0000000000000000 RB<6>[ 56.359735] lkdtm: Fail: survived mismatched prototype function call! X: 0000000000000031 RCX: 0000000000000000 # [ 47.329032] RDX: ffff91233acac660 RSI: ffff91233ac9bf70 RDI: ffff91233ac9bf70 # [ 47.343536] RBP: ffffffff8a2b4798 R08: 0000000000000000 R09: 0000000000000000 # [ 47.358036] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 47.372495] R13: ffffb590c2a6ff10 R14: ffffb590c2a6ff10 R15: ffff9122c3827000 # [ 47.380763] FS: 00007f12452d4580(0000) GS:ffff91233ac80000(0000) knlGS:0000000000000000 # [ 47.396307] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.409235] CR2: 00007f12450dd000 CR3: 0000000103084002 CR4: 00000000003706e0 # [ 47.423717] Call Trace: # [ 47.432960] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 47.445595] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 47.458345] direct_entry.cold+0x2c/0x38 # [ 47.469239] full_proxy_write+0x53/0x80 # [ 47.480030] vfs_write+0xe7/0x3a0 # [ 47.490238] ksys_write+0x68/0xf0 # [ 47.500448] do_syscall_64+0x30/0x40 # [ 47.510946] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 47.523096] RIP: 0033:0x7f12451ea833 # [ 47.533596] 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 # [ 47.561093] RSP: 002b:00007ffe6dcc0768 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 47.576063] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f12451ea833 # [ 47.590545] RDX: 000000000000001f RSI: 00007f12450dd000 RDI: 0000000000000001 # [ 47.605026] RBP: 00007f12450dd000 R08: 00007f12450dc010 R09: 0000000000000000 # [ 47.613317] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 47.627792] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 47.636081] irq event stamp: 0 # [ 47.645968] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 47.653264] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 47.668902] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 47.678349] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 47.691839] ---[ end trace 87e3e0b4378e0877 ]--- # [ 47.697311] 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 # [ 47.840937] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 47.853503] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 47.867124] ------------[ cut here ]------------ # [ 47.878786] refcount_t: underflow; use-after-free. # [ 47.890689] WARNING: CPU: 0 PID: 2205 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 47.906608] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 47.939643] CPU: 0 PID: 2205 Comm: cat Tainted: G D W 5.10.166-cip25 #1 # [ 47.954823] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 47.968091] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 47.980432] Code: 01 01 e8 4b b4 95 00 0f 0b c3 cc cc cc cc 80 3d 38 ee 93 01 00 75 85 48 c7 c7 e8 01 25 8a c6 05 28 ee 93 01 01 e8 28 b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 13 ee 93 01 00 0f 85 5e ff ff ff 48 c7 # [ 48.007982] RSP: 0018:ffffb590c2af7e40 EFLAGS: 00010286 # [ 48.020296] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 48.034831] RDX: ffff91233ac2c660 RSI: ffff91233ac1bf70 RDI: ffff91233ac1bf70 # [ 48.049318] RBP: ffffffff8a2b47b8 R08: 0000000000000000 R09: 0000000000000000 # [ 48.063832] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 48.078309] R13: ffffb590c2af7f10 R14: ffffb590c2af7f10 R15: ffff9122c4f00000 # [ 48.092825] FS: 00007fb4098bc580(0000) GS:ffff91233ac00000(0000) knlGS:0000000000000000 # [ 48.108415] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.121388] CR2: 00007fb4096c5000 CR3: 00000001035d4006 CR4: 00000000003706f0 # [ 48.135851] Call Trace: # [ 48.145149] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 48.157759] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b # [ 48.170521] direct_entry.cold+0x2c/0x38 # [ 48.181401] full_proxy_write+0x53/0x80 # [ 48.192214] vfs_write+0xe7/0x3a0 # [ 48.202421] ksys_write+0x68/0xf0 # [ 48.212644] do_syscall_64+0x30/0x40 # [ 48.223131] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 48.235282] RIP: 0033:0x7fb4097d2833 # [ 48.245783] 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 # [ 48.273311] RSP: 002b:00007ffc0da801c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.288273] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fb4097d2833 # [ 48.302756] RDX: 000000000000001f RSI: 00007fb4096c5000 RDI: 0000000000000001 # [ 48.317261] RBP: 00007fb4096c5000 R08: 00007fb4096c4010 R09: 0000000000000000 # [ 48.331732] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 48.346251] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.360758] irq event stamp: 0 # [ 48.370674] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.384175] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 48.399862] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 48.415521] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.429025] ---[ end trace 87e3e0b4378e0878 ]--- # [ 48.440718] 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 # [ 48.600002] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 48.608103] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 48.615526] lkdtm: Good: zero detected # [ 48.620047] lkdtm: Correctly stayed at zero # [ 48.625040] lkdtm: attempting bad refcount_inc() from zero # [ 48.631474] ------------[ cut here ]------------ # [ 48.636929] refcount_t: addition on 0; use-after-free. # [ 48.642978] WARNING: CPU: 3 PID: 2237 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 48.652705] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 48.679468] CPU: 3 PID: 2237 Comm: cat Tainted: G D W 5.10.166-cip25 #1 # [ 48.694620] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.701720] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 48.707850] Code: 01 01 e8 91 b4 95 00 0f 0b c3 cc cc cc cc 80 3d 7f ee 93 01 00 75 cb 48 c7 c7 b8 01 25 8a c6 05 6f ee 93 01 01 e8 6e b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 5e ee 93 01 00 75 a8 48 c7 c7 90 01 25 # [ 48.729129] RSP: 0018:ffffb590c2b77e48 EFLAGS: 00010286 # [ 48.735305] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 48.743565] RDX: ffff91233adac660 RSI: ffff91233ad9bf70 RDI: ffff91233ad9bf70 # [ 48.758040] RBP: ffffffff8a2b4b59 R08: 0000000000000000 R09: 0000000000000000 # [ 48.766311] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 48.774567] R13: ffffb590c2b77f10 R14: ffffb590c2b77f10 R15: ffff9122c3f2e000 # [ 48.782832] FS: 00007f591ee42580(0000) GS:ffff91233ad80000(0000) knlGS:0000000000000000 # [ 48.792166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.798878] CR2: 00007f591ec4b000 CR3: 0000000103886006 CR4: 00000000003706e0 # [ 48.807144] Call Trace: # [ 48.810168] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 48.815457] direct_entry.cold+0x2c/0x38 # [ 48.820158] full_proxy_write+0x53/0x80 # [ 48.830941] vfs_write+0xe7/0x3a0 # [ 48.834966] ksys_write+0x68/0xf0 # [ 48.838959] do_syscall_64+0x30/0x40 # [ 48.843273] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 48.849234] RIP: 0033:0x7f591ed58833 # [ 48.859749] 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 # [ 48.881042] RSP: 002b:00007fffacaea1d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.896002] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f591ed58833 # [ 48.904272] RDX: 0000000000000012 RSI: 00007f591ec4b000 RDI: 0000000000000001 # [ 48.918753] RBP: 00007f591ec4b000 R08: 00007f591ec4a010 R09: 0000000000000000 # [ 48.933235] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 48.941503] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.949793] irq event stamp: 0 # [ 48.953503] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.967008] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 48.976487] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 48.985934] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.999433] ---[ end trace 87e3e0b4378e0879 ]--- # [ 49.004882] 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 # [ 49.121231] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 49.128374] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 49.141984] lkdtm: Good: zero detected # [ 49.152674] lkdtm: Correctly stayed at zero # [ 49.157640] lkdtm: attempting bad refcount_add() from zero # [ 49.170273] ------------[ cut here ]------------ # [ 49.175746] refcount_t: addition on 0; use-after-free. # [ 49.188026] WARNING: CPU: 1 PID: 2269 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 49.203932] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 49.236870] CPU: 1 PID: 2269 Comm: cat Tainted: G D W 5.10.166-cip25 #1 # [ 49.252060] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.265375] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 49.277699] Code: 01 01 e8 91 b4 95 00 0f 0b c3 cc cc cc cc 80 3d 7f ee 93 01 00 75 cb 48 c7 c7 b8 01 25 8a c6 05 6f ee 93 01 01 e8 6e b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 5e ee 93 01 00 75 a8 48 c7 c7 90 01 25 # [ 49.305197] RSP: 0018:ffffb590c2c0fe48 EFLAGS: 00010286 # [ 49.317544] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 49.325814] RDX: ffff91233acac660 RSI: ffff91233ac9bf70 RDI: ffff91233ac9bf70 # [ 49.340308] RBP: ffffffff8a2b4b6b R08: 0000000000000000 R09: 0000000000000000 # [ 49.348575] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 49.363051] R13: ffffb590c2c0ff10 R14: ffffb590c2c0ff10 R15: ffff9122c2678000 # [ 49.371320] FS: 00007f6e0e768580(0000) GS:ffff91233ac80000(0000) knlGS:0000000000000000 # [ 49.386863] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.393576] CR2: 00007f6e0e571000 CR3: 0000000103254005 CR4: 00000000003706e0 # [ 49.408054] Call Trace: # [ 49.411079] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 49.422543] direct_entry.cold+0x2c/0x38 # [ 49.433431] full_proxy_write+0x53/0x80 # [ 49.444224] vfs_write+0xe7/0x3a0 # [ 49.454434] ksys_write+0x68/0xf0 # [ 49.464643] do_syscall_64+0x30/0x40 # [ 49.475147] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 49.487309] RIP: 0033:0x7f6e0e67e833 # [ 49.497807] 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 # [ 49.519092] RSP: 002b:00007ffef77e7518 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.534053] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f6e0e67e833 # [ 49.542320] RDX: 0000000000000012 RSI: 00007f6e0e571000 RDI: 0000000000000001 # [ 49.556795] RBP: 00007f6e0e571000 R08: 00007f6e0e570010 R09: 0000000000000000 # [ 49.571277] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 49.579566] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.594064] irq event stamp: 0 # [ 49.603986] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.617497] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 49.626954] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 49.639197] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.652707] ---[ end trace 87e3e0b4378e087a ]--- # [ 49.660099] 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 # [ 49.786414] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 49.798330] lkdtm: attempting bad refcount_inc() from saturated # [ 49.811426] ------------[ cut here ]------------ # [ 49.823061] refcount_t: saturated; leaking memory. # [ 49.834995] WARNING: CPU: 0 PID: 2304 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 49.850871] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 49.883869] CPU: 0 PID: 2304 Comm: cat Tainted: G D W 5.10.166-cip25 #1 # [ 49.898992] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.912423] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 49.924734] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d a3 ee 93 01 00 75 ee 48 c7 c7 90 01 25 8a c6 05 93 ee 93 01 01 e8 91 b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 7f ee 93 01 00 75 cb 48 c7 c7 b8 01 25 # [ 49.952187] RSP: 0018:ffffb590c2c7fe48 EFLAGS: 00010286 # [ 49.964534] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 49.979037] RDX: ffff91233ac2c660 RSI: ffff91233ac1bf70 RDI: ffff91233ac1bf70 # [ 49.993535] RBP: ffffffff8a2b4b7d R08: 0000000000000000 R09: 0000000000000000 # [ 50.008090] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 50.022464] R13: ffffb590c2c7ff10 R14: ffffb590c2c7ff10 R15: ffff9122c3523000 # [ 50.036928] FS: 00007fc8f8924580(0000) GS:ffff91233ac00000(0000) knlGS:0000000000000000 # [ 50.052507] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.065427] CR2: 00007fc8f872d000 CR3: 000000010313a001 CR4: 00000000003706f0 # [ 50.079896] Call Trace: # [ 50.089160] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 50.101130] direct_entry.cold+0x2c/0x38 # [ 50.112018] full_proxy_write+0x53/0x80 # [ 50.122817] vfs_write+0xe7/0x3a0 # [ 50.133046] ksys_write+0x68/0xf0 # [ 50.143256] do_syscall_64+0x30/0x40 # [ 50.153767] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 50.165937] RIP: 0033:0x7fc8f883a833 # [ 50.176439] 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 # [ 50.203940] RSP: 002b:00007ffc8eca5b98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.218896] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fc8f883a833 # [ 50.233419] RDX: 0000000000000017 RSI: 00007fc8f872d000 RDI: 0000000000000001 # [ 50.247887] RBP: 00007fc8f872d000 R08: 00007fc8f872c010 R09: 0000000000000000 # [ 50.262407] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 50.276853] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 50.291399] irq event stamp: 0 # [ 50.301322] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 50.314822] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 50.330538] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 50.346172] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 50.359715] ---[ end trace 87e3e0b4378e087b ]--- # [ 50.371413] 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 # [ 50.530830] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 50.540044] lkdtm: attempting bad refcount_dec() from saturated # [ 50.546984] ------------[ cut here ]------------ # [ 50.552467] refcount_t: decrement hit 0; leaking memory. # [ 50.564934] WARNING: CPU: 3 PID: 2339 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 50.574665] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 50.607620] CPU: 3 PID: 2339 Comm: cat Tainted: G D W 5.10.166-cip25 #1 # [ 50.616579] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.629885] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 50.636013] Code: 40 02 25 8a c6 05 ff ed 93 01 01 e8 01 b4 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 10 02 25 8a c6 05 e6 ed 93 01 01 e8 e7 b3 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 50.657304] RSP: 0018:ffffb590c2d17e48 EFLAGS: 00010286 # [ 50.669650] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 50.677915] RDX: ffff91233adac660 RSI: ffff91233ad9bf70 RDI: ffff91233ad9bf70 # [ 50.692398] RBP: ffffffff8a2b4b94 R08: 0000000000000000 R09: 0000000000000000 # [ 50.700695] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 50.708961] R13: ffffb590c2d17f10 R14: ffffb590c2d17f10 R15: ffff9122c56ef000 # [ 50.717228] FS: 00007f1abc42b580(0000) GS:ffff91233ad80000(0000) knlGS:0000000000000000 # [ 50.726564] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.733292] CR2: 00007f1abc234000 CR3: 00000001013e6006 CR4: 00000000003706e0 # [ 50.741569] Call Trace: # [ 50.750803] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 50.756578] direct_entry.cold+0x2c/0x38 # [ 50.761299] full_proxy_write+0x53/0x80 # [ 50.765887] vfs_write+0xe7/0x3a0 # [ 50.776085] ksys_write+0x68/0xf0 # [ 50.780081] do_syscall_64+0x30/0x40 # [ 50.784396] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 50.790348] RIP: 0033:0x7f1abc341833 # [ 50.794664] 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 # [ 50.815945] RSP: 002b:00007ffe504c7e78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.824719] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f1abc341833 # [ 50.832984] RDX: 0000000000000017 RSI: 00007f1abc234000 RDI: 0000000000000001 # [ 50.841249] RBP: 00007f1abc234000 R08: 00007f1abc233010 R09: 0000000000000000 # [ 50.849517] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 50.857783] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 50.866054] irq event stamp: 0 # [ 50.869787] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 50.877086] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 50.886548] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 50.895979] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 50.903273] ---[ end trace 87e3e0b4378e087c ]--- # [ 50.908738] 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 # [ 51.035870] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 51.046469] lkdtm: attempting bad refcount_dec() from saturated # [ 51.059573] ------------[ cut here ]------------ # [ 51.071232] refcount_t: saturated; leaking memory. # [ 51.083120] WARNING: CPU: 1 PID: 2374 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 51.099029] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 51.131993] CPU: 1 PID: 2374 Comm: cat Tainted: G D W 5.10.166-cip25 #1 # [ 51.147130] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.160448] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 51.172795] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d a3 ee 93 01 00 75 ee 48 c7 c7 90 01 25 8a c6 05 93 ee 93 01 01 e8 91 b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 7f ee 93 01 00 75 cb 48 c7 c7 b8 01 25 # [ 51.200303] RSP: 0018:ffffb590c2dafe48 EFLAGS: 00010286 # [ 51.212649] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 51.227133] RDX: ffff91233acac660 RSI: ffff91233ac9bf70 RDI: ffff91233ac9bf70 # [ 51.235400] RBP: ffffffff8a2b4bab R08: 0000000000000000 R09: 0000000000000000 # [ 51.249876] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 51.258143] R13: ffffb590c2daff10 R14: ffffb590c2daff10 R15: ffff9122c4ebc000 # [ 51.272622] FS: 00007eff7b684580(0000) GS:ffff91233ac80000(0000) knlGS:0000000000000000 # [ 51.288173] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.301104] CR2: 00007eff7b48d000 CR3: 000000010352e003 CR4: 00000000003706e0 # [ 51.309370] Call Trace: # [ 51.318604] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 51.330561] direct_entry.cold+0x2c/0x38 # [ 51.341451] full_proxy_write+0x53/0x80 # [ 51.352243] vfs_write+0xe7/0x3a0 # [ 51.362455] ksys_write+0x68/0xf0 # [ 51.372664] do_syscall_64+0x30/0x40 # [ 51.383164] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 51.395316] RIP: 0033:0x7eff7b59a833 # [ 51.405816] 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 # [ 51.433315] RSP: 002b:00007ffdd96c6508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.448286] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007eff7b59a833 # [ 51.462768] RDX: 0000000000000017 RSI: 00007eff7b48d000 RDI: 0000000000000001 # [ 51.471036] RBP: 00007eff7b48d000 R08: 00007eff7b48c010 R09: 0000000000000000 # [ 51.485513] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.493779] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.508260] irq event stamp: 0 # [ 51.518174] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 51.531687] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 51.547336] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 51.562985] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 51.570282] ---[ end trace 87e3e0b4378e087d ]--- # [ 51.581944] 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 # [ 51.716500] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 51.726621] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 51.740672] ------------[ cut here ]------------ # [ 51.752359] refcount_t: saturated; leaking memory. # [ 51.764216] WARNING: CPU: 0 PID: 2406 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 51.780181] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 51.813076] CPU: 0 PID: 2406 Comm: cat Tainted: G D W 5.10.166-cip25 #1 # [ 51.828339] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.841701] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 51.853997] Code: 01 01 e8 6e b4 95 00 0f 0b c3 cc cc cc cc 80 3d 5e ee 93 01 00 75 a8 48 c7 c7 90 01 25 8a c6 05 4e ee 93 01 01 e8 4b b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 38 ee 93 01 00 75 85 48 c7 c7 e8 01 25 # [ 51.881486] RSP: 0018:ffffb590c2e27e38 EFLAGS: 00010282 # [ 51.893912] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 51.908373] RDX: ffff91233ac2c660 RSI: ffff91233ac1bf70 RDI: ffff91233ac1bf70 # [ 51.922889] RBP: ffffffff8a2b47d8 R08: 0000000000000000 R09: 0000000000000000 # [ 51.937406] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 51.951919] R13: ffffb590c2e27f10 R14: ffffb590c2e27f10 R15: ffff9122c611f000 # [ 51.966378] FS: 00007f330b5fb580(0000) GS:ffff91233ac00000(0000) knlGS:0000000000000000 # [ 51.981946] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.994936] CR2: 00007f330b404000 CR3: 000000010267c005 CR4: 00000000003706f0 # [ 52.009401] Call Trace: # [ 52.018658] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 52.031282] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 52.044121] direct_entry.cold+0x2c/0x38 # [ 52.055000] full_proxy_write+0x53/0x80 # [ 52.065808] vfs_write+0xe7/0x3a0 # [ 52.075981] ksys_write+0x68/0xf0 # [ 52.086241] do_syscall_64+0x30/0x40 # [ 52.096725] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 52.108875] RIP: 0033:0x7f330b511833 # [ 52.119394] 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 # [ 52.146923] RSP: 002b:00007fff3f355378 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.161885] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f330b511833 # [ 52.176389] RDX: 0000000000000020 RSI: 00007f330b404000 RDI: 0000000000000001 # [ 52.190886] RBP: 00007f330b404000 R08: 00007f330b403010 R09: 0000000000000000 # [ 52.205348] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 52.219868] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 52.234397] irq event stamp: 0 # [ 52.244331] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 52.257829] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 52.273515] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 52.289149] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 52.302661] ---[ end trace 87e3e0b4378e087e ]--- # [ 52.314393] 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 # [ 52.458173] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 52.471484] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 52.485475] ------------[ cut here ]------------ # [ 52.497133] refcount_t: saturated; leaking memory. # [ 52.509046] WARNING: CPU: 0 PID: 2438 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 52.524935] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 52.557928] CPU: 0 PID: 2438 Comm: cat Tainted: G D W 5.10.166-cip25 #1 # [ 52.573043] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.586467] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 52.598758] Code: 01 01 e8 6e b4 95 00 0f 0b c3 cc cc cc cc 80 3d 5e ee 93 01 00 75 a8 48 c7 c7 90 01 25 8a c6 05 4e ee 93 01 01 e8 4b b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 38 ee 93 01 00 75 85 48 c7 c7 e8 01 25 # [ 52.626240] RSP: 0018:ffffb590c2ea7e38 EFLAGS: 00010282 # [ 52.638564] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 52.653050] RDX: ffff91233ac2c660 RSI: ffff91233ac1bf70 RDI: ffff91233ac1bf70 # [ 52.667561] RBP: ffffffff8a2b47f8 R08: 0000000000000000 R09: 0000000000000000 # [ 52.682029] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 52.696510] R13: ffffb590c2ea7f10 R14: ffffb590c2ea7f10 R15: ffff9122c3378000 # [ 52.710996] FS: 00007f8400c6e580(0000) GS:ffff91233ac00000(0000) knlGS:0000000000000000 # [ 52.726553] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.739511] CR2: 00007f8400a77000 CR3: 00000001035d0001 CR4: 00000000003706f0 # [ 52.753985] Call Trace: # [ 52.763227] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 52.775852] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 52.788671] direct_entry.cold+0x2c/0x38 # [ 52.799586] full_proxy_write+0x53/0x80 # [ 52.810413] vfs_write+0xe7/0x3a0 # [ 52.820667] ksys_write+0x68/0xf0 # [ 52.830880] do_syscall_64+0x30/0x40 # [ 52.841313] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 52.853452] RIP: 0033:0x7f8400b84833 # [ 52.863947] 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 # [ 52.891470] RSP: 002b:00007ffd89b908f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.906407] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f8400b84833 # [ 52.920882] RDX: 0000000000000020 RSI: 00007f8400a77000 RDI: 0000000000000001 # [ 52.935385] RBP: 00007f8400a77000 R08: 00007f8400a76010 R09: 0000000000000000 # [ 52.949885] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 52.964381] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 52.978866] irq event stamp: 0 # [ 52.988796] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 53.002310] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 53.017965] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 53.033629] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 53.047147] ---[ end trace 87e3e0b4378e087f ]--- # [ 53.058803] 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 # [ 53.191954] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 53.203469] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 53.217470] ------------[ cut here ]------------ # [ 53.229160] refcount_t: underflow; use-after-free. # [ 53.241085] WARNING: CPU: 0 PID: 2473 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 53.256984] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 53.289989] CPU: 0 PID: 2473 Comm: cat Tainted: G D W 5.10.166-cip25 #1 # [ 53.305122] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.318550] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 53.330903] Code: 01 01 e8 4b b4 95 00 0f 0b c3 cc cc cc cc 80 3d 38 ee 93 01 00 75 85 48 c7 c7 e8 01 25 8a c6 05 28 ee 93 01 01 e8 28 b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 13 ee 93 01 00 0f 85 5e ff ff ff 48 c7 # [ 53.358367] RSP: 0018:ffffb590c2f27e40 EFLAGS: 00010286 # [ 53.370730] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 53.385240] RDX: ffff91233ac2c660 RSI: ffff91233ac1bf70 RDI: ffff91233ac1bf70 # [ 53.399834] RBP: ffffffff8a2b4818 R08: 0000000000000000 R09: 0000000000000000 # [ 53.414247] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 53.428808] R13: ffffb590c2f27f10 R14: ffffb590c2f27f10 R15: ffff9122c38ed000 # [ 53.443264] FS: 00007fa239672580(0000) GS:ffff91233ac00000(0000) knlGS:0000000000000000 # [ 53.458776] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.471768] CR2: 00007fa23947b000 CR3: 0000000104e76003 CR4: 00000000003706f0 # [ 53.486257] Call Trace: # [ 53.495499] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 53.508148] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 53.520942] direct_entry.cold+0x2c/0x38 # [ 53.531818] full_proxy_write+0x53/0x80 # [ 53.542637] vfs_write+0xe7/0x3a0 # [ 53.552861] ksys_write+0x68/0xf0 # [ 53.563066] do_syscall_64+0x30/0x40 # [ 53.573550] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 53.585735] RIP: 0033:0x7fa239588833 # [ 53.596224] 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 # [ 53.623709] RSP: 002b:00007ffea46293d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 53.638661] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fa239588833 # [ 53.653139] RDX: 0000000000000020 RSI: 00007fa23947b000 RDI: 0000000000000001 # [ 53.667619] RBP: 00007fa23947b000 R08: 00007fa23947a010 R09: 0000000000000000 # [ 53.682086] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 53.690369] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 53.704865] irq event stamp: 0 # [ 53.714793] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 53.728306] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 53.743960] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 53.759591] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 53.773146] ---[ end trace 87e3e0b4378e0880 ]--- # [ 53.784834] 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 # [ 53.922934] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 53.935670] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 53.949652] ------------[ cut here ]------------ # [ 53.961332] refcount_t: underflow; use-after-free. # [ 53.973229] WARNING: CPU: 0 PID: 2508 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 53.989144] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 54.022093] CPU: 0 PID: 2508 Comm: cat Tainted: G D W 5.10.166-cip25 #1 # [ 54.037314] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.050689] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 54.063000] Code: 01 01 e8 4b b4 95 00 0f 0b c3 cc cc cc cc 80 3d 38 ee 93 01 00 75 85 48 c7 c7 e8 01 25 8a c6 05 28 ee 93 01 01 e8 28 b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 13 ee 93 01 00 0f 85 5e ff ff ff 48 c7 # [ 54.090541] RSP: 0018:ffffb590c2fbfe40 EFLAGS: 00010286 # [ 54.102860] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 54.117316] RDX: ffff91233ac2c660 RSI: ffff91233ac1bf70 RDI: ffff91233ac1bf70 # [ 54.131867] RBP: ffffffff8a2b4838 R08: 0000000000000000 R09: 0000000000000000 # [ 54.146319] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 54.160902] R13: ffffb590c2fbff10 R14: ffffb590c2fbff10 R15: ffff9122c3f4d000 # [ 54.175354] FS: 00007f166ca97580(0000) GS:ffff91233ac00000(0000) knlGS:0000000000000000 # [ 54.190882] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.203877] CR2: 00007f166c8a0000 CR3: 0000000103428004 CR4: 00000000003706f0 # [ 54.218374] Call Trace: # [ 54.227649] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 54.240290] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 54.253130] direct_entry.cold+0x2c/0x38 # [ 54.264044] full_proxy_write+0x53/0x80 # [ 54.274874] vfs_write+0xe7/0x3a0 # [ 54.285065] ksys_write+0x68/0xf0 # [ 54.295311] do_syscall_64+0x30/0x40 # [ 54.305786] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 54.317962] RIP: 0033:0x7f166c9ad833 # [ 54.328440] 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 # [ 54.355944] RSP: 002b:00007ffe9738d2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 54.370936] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f166c9ad833 # [ 54.385401] RDX: 0000000000000020 RSI: 00007f166c8a0000 RDI: 0000000000000001 # [ 54.399912] RBP: 00007f166c8a0000 R08: 00007f166c89f010 R09: 0000000000000000 # [ 54.414340] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 54.428791] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 54.443318] irq event stamp: 0 # [ 54.453234] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 54.466753] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 54.482390] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 54.498049] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 54.511577] ---[ end trace 87e3e0b4378e0881 ]--- # [ 54.523218] 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 # [ 54.715356] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 54.722935] lkdtm: attempting good copy_to_user of correct size # [ 54.729856] 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 # [ 54.888723] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 54.899457] lkdtm: attempting good copy_from_user of correct size # [ 54.906587] 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 # [ 55.026508] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 55.039410] lkdtm: attempting good copy_to_user inside whitelist # [ 55.046470] 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 # [ 55.168173] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 55.179401] lkdtm: attempting good copy_from_user inside whitelist # [ 55.192839] 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 # [ 55.325533] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 55.337772] lkdtm: good_stack: ffffb590c332fe20-ffffb590c332fe40 # [ 55.351011] lkdtm: bad_stack : ffffb590c332fda8-ffffb590c332fdc8 # [ 55.364250] lkdtm: attempting good copy_to_user of local stack # [ 55.377299] 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 # [ 55.506146] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 55.515916] lkdtm: good_stack: ffffb590c33afe20-ffffb590c33afe40 # [ 55.529166] lkdtm: bad_stack : ffffb590c33afda8-ffffb590c33afdc8 # [ 55.542397] lkdtm: attempting good copy_from_user of local stack # [ 55.555608] 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 # [ 55.701511] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 55.712656] lkdtm: good_stack: ffffb590c340fe20-ffffb590c340fe40 # [ 55.719676] lkdtm: bad_stack : ffffb590c340fff8-ffffb590c3410018 # [ 55.732913] lkdtm: attempting good copy_to_user of local stack # [ 55.739734] lkdtm: attempting bad copy_to_user of distant stack # [ 55.752848] 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 # [ 55.880635] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 55.889802] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff89ed15b0 # [ 55.904960] lkdtm: attempting bad copy_to_user from kernel text: ffffffff88ae3b10 # [ 55.919827] 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 # [ 56.046222] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 56.056555] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 56.070944] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 56.079021] lkdtm: FAIL: the thread stack is NOT properly erased # [ 56.086024] CPU: 2 PID: 2873 Comm: cat Tainted: G D W 5.10.166-cip25 #1 # [ 56.094966] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.102061] Call Trace: # [ 56.105084] dump_stack+0x77/0x9b # [ 56.109075] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 56.114523] direct_entry.cold+0x2c/0x38 # [ 56.119192] full_proxy_write+0x53/0x80 # [ 56.123757] vfs_write+0xe7/0x3a0 # [ 56.127748] ksys_write+0x68/0xf0 # [ 56.131739] do_syscall_64+0x30/0x40 # [ 56.136020] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 56.141942] RIP: 0033:0x7f876b437833 # [ 56.146222] 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 # [ 56.167498] RSP: 002b:00007ffec77145b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.176246] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f876b437833 # [ 56.184508] RDX: 0000000000000012 RSI: 00007f876b32a000 RDI: 0000000000000001 # [ 56.192768] RBP: 00007f876b32a000 R08: 00007f876b329010 R09: 0000000000000000 # [ 56.201029] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 56.209291] 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 # [ 56.333030] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 56.342317] lkdtm: Calling matched prototype ... # [ 56.347785] lkdtm: Calling mismatched prototype ... # [ 56.359735] 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 / #